Aero titanium alloy skeleton milling integrated machine tool

Abstract

The application discloses an aviation titanium alloy framework milling integrated machine tool and relates to the technical field of titanium alloy framework milling processing. The machine tool comprises a base, a positioning table is slidably arranged on the base, different numbers of position frames are detachably and cooperatively arranged on the positioning table, one end of each position frame is of an open structure, and an electromagnetic fixing assembly is arranged at the bottom of each position frame; different numbers of mounting assemblies are detachably and cooperatively arranged on the position frames, each mounting assembly comprises a mounting table which is slidably arranged on the position frame, and an electromagnetic fixing assembly is also arranged on the mounting table; a clamping tool or an auxiliary supporting tool can be cooperatively mounted on the mounting table; supports are arranged on the base, and the position frames and the mounting assemblies are respectively prepared to be mounted on the two ends of each support; a shifting mechanism is arranged at the top of each support and used for positioning and shifting the position frames and the mounting assemblies; and the number and position of the auxiliary supporting tools and the clamping tools can be adaptively adjusted according to the framework structure, the operation is convenient, and the mounting difficulty of the workpiece is reduced.

Description

Technical Field

[0001] This invention relates to the field of titanium alloy skeleton milling technology, and in particular to an integrated milling machine tool for aerospace titanium alloy skeletons. Background Technology

[0002] Aerospace titanium alloy skeletons are structural materials widely used in the aerospace field, typically in the manufacture of aircraft, spacecraft, and other aviation equipment. Titanium alloys are highly favored in the aerospace industry due to their excellent physical and chemical properties; they possess outstanding characteristics such as lightweight, high strength, corrosion resistance, and high-temperature performance. Common processing methods for aerospace titanium alloys include milling and turning, forging, and 1D printing of supports. For milling, some aerospace titanium alloy skeletons have thin-walled and complex structures, requiring multiple auxiliary supports based on the skeleton structure to ensure stable processing. Existing milling machine tools are not convenient for adjusting the position and quantity of auxiliary support fixtures, making the workpiece positioning and installation process cumbersome and unable to meet processing requirements. Therefore, this invention proposes a milling machine tool that can adaptively adjust the quantity and position of auxiliary support fixtures and clamping fixtures according to the skeleton structure, making operation convenient and reducing the difficulty of workpiece installation. Summary of the Invention

[0003] To address the aforementioned technical problems, this invention allows for adaptive adjustment of the quantity and position of auxiliary support fixtures and clamping fixtures based on the skeleton structure, making operation convenient and reducing the difficulty of workpiece installation.

[0004] The technical solution used in this invention is as follows: an integrated milling machine tool for aerospace titanium alloy skeletons, comprising a base, a positioning table slidably disposed on the base for positioning and installing workpieces; a number of position frames detachably and assemble with the positioning table, one end of each position frame having an open structure, and an electromagnetic fixing component at the bottom of each position frame for fixing the position frame to the positioning table; a number of mounting components detachably and assemble with the position frames, each mounting component including a mounting table slidably disposed on the position frame, the mounting table also being provided with an electromagnetic fixing component for fixing the mounting table to the position frame; clamping fixtures or auxiliary support fixtures can be installed on the mounting table; a bracket is provided on the base, with position frames and mounting components respectively prepared at both ends of the bracket; a transfer mechanism is provided at the top of the bracket for positioning and transferring the position frames and mounting components.

[0005] As a preferred embodiment, a slide block two is slidably mounted on the base, and a positioning table is slidably mounted on the slide block two. The slide block two and the positioning table work together to move horizontally in the X and Y directions. A milling mechanism is provided at the end of the base, and the milling mechanism moves in the Y direction.

[0006] As a preferred embodiment, the slide block two is provided with a mating groove, the bottom of the position frame is fixedly provided with a position seat, and the electromagnetic fixing component is provided inside the position seat; the position seat is slidably installed on the mating groove.

[0007] As a preferred embodiment, the electromagnetic fixing assembly includes an electromagnetic controller and an electromagnetic slide shaft. The electromagnetic controller is used to control the movement of the electromagnetic slide shaft, and a pressure plate is provided on the electromagnetic slide shaft. For the electromagnetic fixing assembly inside the position seat, the pressure plate contacts and presses against the wall of the mating groove for fixing. For the electromagnetic fixing assembly inside the mounting platform, the pressure plate contacts and presses against the wall of the position frame for fixing.

[0008] As a preferred embodiment, the installation assembly includes fixed electric cylinders fixedly disposed on both sides of the installation platform, and an installation groove is provided on the installation platform for positioning and installing clamping fixtures or auxiliary support fixtures.

[0009] As a preferred embodiment, the clamping fixture includes a clamping platform, a mating seat fixedly disposed at the bottom of the clamping platform, a positioning groove provided on the side of the mating seat, and the mating seat can be installed in conjunction with the mounting groove on the mounting platform. The clamping fixture is fixed by means of a fixed electric cylinder telescopic rod engaging with the positioning groove on the mating seat. A clamping seat is slidably mounted on the clamping platform, and a clamping screw is rotatably mounted on the clamping platform. A clamping gear is fixedly connected to the end of the clamping screw. A control disk is rotatably mounted in the central area of ​​the clamping platform, and the control disk meshes with the clamping gear.

[0010] As a preferred embodiment, the auxiliary support fixture includes a support base with a positioning groove on its side. The support base can be installed in conjunction with the mounting groove on the mounting platform. The support base is fixed by engaging the telescopic rod of the electric cylinder with the positioning groove on the support base. A support ball rod is threadedly connected to the support base.

[0011] As a preferred embodiment, the two ends of the bracket are respectively fixedly connected to a first preparation platform and a second preparation platform. The first preparation platform is used to position the mounting frame, and the second preparation platform is used to position the mounting components.

[0012] As a preferred embodiment, the transfer mechanism includes a motor four fixedly mounted on the top of the support, and a lead screw four rotatably mounted on the top of the support. The lead screw four is driven by the motor four. A transfer seat is slidably mounted on the top of the support, and the transfer seat and the lead screw four form a helical pair. A control electric cylinder is fixedly mounted on the transfer seat. A transfer platform is fixedly mounted on the telescopic rod of the control electric cylinder. A motor five is fixedly mounted on the transfer platform, and a lead screw five is rotatably mounted on the transfer platform. The lead screw five is driven by the motor five. A slide block five is slidably mounted on the transfer platform, and the slide block five and the lead screw five form a helical pair. A clamping electric cylinder is fixedly mounted on the slide block five. Clamping parts are fixedly mounted on the telescopic rods at both ends of the clamping electric cylinder for clamping the installation components or position frame.

[0013] The advantages of this invention compared with the prior art are: (1) The auxiliary support fixture is installed on the mounting slot of the mounting table, and the auxiliary support fixture is fixed by the fixed electric cylinder telescopic rod cooperating with the positioning slot on the support seat. The height of the support ball rod can be adjusted to provide auxiliary support for the area on the workpiece that needs support; (2) The clamping fixture is installed on the mounting slot of the mounting table, and the clamping fixture is fixed by the fixed electric cylinder telescopic rod cooperating with the positioning slot on the mating seat. By rotating the control disk, the clamping screw is rotated, and the clamping seat moves, which can position and fix the round hole of the workpiece; (3) At the target position, it can be controlled by the electromagnetic controller. The electromagnetic slide shaft moves, and the electromagnetic slide shaft drives the pressure plate to move, so as to contact and press against the wall of the mating groove to achieve fixation; the mounting table is installed on the position frame and can be adjusted in position. At the target position, it can be pressed against the wall of the position frame by the pressure plate to achieve fixation; one or more mounting tables can be installed on the position frame according to the processing requirements to set multiple auxiliary support fixtures; (4) the number and position relationship of the position frame and the mounting components can be set according to the workpiece structure. Specifically, the mounting position frame and the mounting components can be prepared on the preparation table one and the preparation table two respectively, and the position frame and the mounting components can be clamped and transferred by the transfer mechanism. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 This is a schematic diagram of the positioning platform installation structure of the present invention.

[0016] Figure 3 This is a schematic diagram of the installation structure of the positioning bracket of the present invention on the positioning platform.

[0017] Figure 4 This is a schematic diagram of the positioning stage structure of the present invention.

[0018] Figure 5 This is a schematic diagram of the electromagnetic fixing component structure of the present invention.

[0019] Figure 6 This is a schematic diagram of the mounting platform structure of the present invention.

[0020] Figure 7 This is a schematic diagram of the clamping fixture structure of the present invention.

[0021] Figure 8 This is a schematic diagram of the bottom structure of the clamping fixture of the present invention.

[0022] Figure 9 This is a schematic diagram of the transfer mechanism structure of the present invention.

[0023] Figure 10 This is a partial structural diagram of the transfer mechanism of the present invention.

[0024] Attached reference numerals: 1-Base; 2-Bracket; 3-Bracket One; 4-Motor One; 5-Lead Screw One; 6-Slide One; 7-Machining Motor; 8-Machining Spindle; 9-Sleeve; 10-Motor Two; 11-Lead Screw Two; 12-Slide Two; 13-Motor Three; 14-Lead Screw Three; 15-Positioning Table; 16-Matching Groove; 17-Positioning Frame; 18-Positioning Seat; 19-Pressure Plate; 20-Electromagnetic Controller; 21-Electromagnetic Slide Shaft; 22-Mounting Platform; 2 3-Fixed electric cylinder; 24-Support base; 25-Support ball rod; 26-Clamping table; 27-Clamping seat; 28-Control panel; 29-Clamping lead screw; 30-Clamping gear; 31-Matching seat; 32-Motor four; 33-Lead screw four; 34-Transfer seat; 35-Control electric cylinder; 36-Transfer table; 37-Preparation table one; 38-Preparation table two; 39-Motor five; 40-Lead screw five; 41-Slide five; 42-Clamping electric cylinder; 43-Clamping part. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0026] like Figures 1 to 10 As shown, an integrated milling machine tool for aerospace titanium alloy skeletons includes a base 1, on which a positioning table 15 is slidably mounted for positioning and mounting workpieces; a number of position frames 17 are detachably mounted on the positioning table 15, each position frame 17 having an open end and an electromagnetic fixing component at its bottom for fixing it to the positioning table 15; a number of mounting components are detachably mounted on the position frames 17, each mounting component including a mounting platform 22 slidably mounted on the position frame 17, also equipped with an electromagnetic fixing component for fixing the mounting platform 22 to the position frame 17; clamping fixtures or auxiliary support fixtures can be mounted on the mounting platform 22; a bracket 2 is mounted on the base 1, with position frames 17 and mounting components respectively mounted at both ends; a transfer mechanism is provided on the top of the bracket 2 for positioning and transferring the position frames 17 and mounting components.

[0027] The milling mechanism includes a bracket 3 fixedly mounted at the end of a base 1. A motor 4 is fixedly mounted on the top of the bracket 3, and a lead screw 5 is rotatably mounted on the bracket 3, driven by the motor 4. A slide block 6 is slidably mounted on the bracket 3, forming a helical pair with the lead screw 5. A machining motor 7 is fixedly mounted on the slide block 6, and a machining spindle 8 is rotatably mounted, driven by the machining motor 7. A sleeve 9 is provided at the bottom of the machining spindle 8 for clamping and mounting the machining operations. The cutting tool; a motor 10 is fixedly mounted on the base 1, and a lead screw 11 is rotatably mounted on it. The lead screw 11 is driven by the motor 10. The slide 12 and the lead screw 11 form a helical pair. A motor 13 is fixedly mounted on the slide 12, and a lead screw 14 is rotatably mounted on it. The lead screw 14 is driven by the motor 13. The positioning table 15 and the lead screw 14 form a helical pair. The slide 12 and the positioning table 15 work together to move horizontally in the X and Y axes. The milling mechanism moves in the Y axis direction.

[0028] The slide block 12 has a mating groove 16, and the position frame 17 has a position seat 18 fixedly installed at the bottom. The electromagnetic fixing component is installed inside the position seat 18. The position seat 18 is slidably installed on the mating groove 16. The electromagnetic fixing component includes an electromagnetic controller 20 and an electromagnetic slide shaft 21. The electromagnetic controller 20 is used to control the movement of the electromagnetic slide shaft 21, and a pressure plate 19 is provided on the electromagnetic slide shaft 21. For the electromagnetic fixing component inside the position seat 18, the pressure plate 19 contacts and presses against the wall of the mating groove 16 for fixing. For the electromagnetic fixing component inside the mounting platform 22, the pressure plate 19 contacts and presses against the wall of the position frame 17 for fixing.

[0029] The mounting assembly includes fixed electric cylinders 23 fixedly mounted on both sides of the mounting platform 22. The mounting platform 22 has mounting slots for positioning and mounting clamping fixtures or auxiliary support fixtures. The clamping fixture includes a clamping platform 26, with a mating seat 31 fixedly mounted at its bottom. The mating seat 31 has a positioning slot on its side and can be installed in conjunction with the mounting slots on the mounting platform 22. Fixing is achieved by the telescopic rod of the fixed electric cylinders 23 engaging with the positioning slots on the mating seat 31. A clamping base 2 is slidably mounted on the clamping platform 26. 7. A clamping screw 29 is rotatably mounted, and a clamping gear 30 is fixedly connected to the end of the clamping screw 29. A control disk 28 is rotatably mounted in the central area of ​​the clamping table 26, and the control disk 28 meshes with the clamping gear 30. The auxiliary support fixture includes a support base 24, and a positioning groove is opened on the side of the support base 24. The support base 24 can be installed in conjunction with the mounting groove on the mounting table 22. The telescopic rod of the fixed electric cylinder 23 is engaged with the positioning groove on the support base 24 for fixation. A support ball rod 25 is threadedly connected to the support base 24.

[0030] The two ends of the bracket 2 are respectively fixedly connected to a first preparation platform 37 and a second preparation platform 38. The first preparation platform 37 is used to position the mounting frame 17, and the second preparation platform 38 is used to position the mounting components. The transfer mechanism includes a fourth motor 32 fixedly mounted on the top of the bracket 2, and a fourth lead screw 33 rotatably mounted on the top of the bracket 2. The fourth lead screw 33 is driven by the fourth motor 32. A transfer seat 34 is slidably mounted on the top of the bracket 2, and the transfer seat 34 and the fourth lead screw 33 form a helical pair. A fixed mounting is provided on the transfer seat 34. There is a control electric cylinder 35, and a transfer platform 36 is fixedly installed on the telescopic rod of the control electric cylinder 35. A motor 39 is fixedly installed on the transfer platform 36, and a lead screw 40 is rotatably installed. The lead screw 40 is driven by the motor 39. A slide block 41 is slidably installed on the transfer platform 36. The slide block 41 and the lead screw 40 form a helical pair. A clamping electric cylinder 42 is fixedly installed on the slide block 41. Clamping parts 43 are fixedly installed on the telescopic rods at both ends of the clamping electric cylinder 42 for clamping the installation component or the position frame 17.

[0031] Operating principle: Motor 210 drives lead screw 21, which moves slide 212; motor 313 drives lead screw 314, which moves positioning table 15, thereby achieving X and Y axis movement; motor 4 drives lead screw 5, which moves slide 6; and machining motor 7 drives machining spindle 8 for milling. According to the workpiece structure, as in this embodiment, two clamping fixtures and several auxiliary support fixtures are used to position and install the titanium alloy frame. Specifically, the clamping fixtures are installed on the mounting slot of mounting table 22. The clamping fixture is fixed by engaging the telescopic rod of the fixed electric cylinder 23 with the positioning groove on the mating seat 31; by rotating the control disk 28, the clamping screw 29 is rotated, thereby moving the clamping seat 27, which can position and fix the round hole of the workpiece; the auxiliary support fixture is installed on the mounting groove of the mounting platform 22, and the auxiliary support fixture is fixed by engaging the telescopic rod of the fixed electric cylinder 23 with the positioning groove on the support seat 24. The height of the support ball rod 25 can be adjusted to provide auxiliary support for the area on the workpiece that needs support.

[0032] Furthermore, the number of clamping fixtures and auxiliary support fixtures can be adaptively adjusted, allowing different numbers of position frames 17 to be installed on the positioning table 15. At the target position, the electromagnetic sliding shaft 21 can be moved by the electromagnetic controller 20, and the electromagnetic sliding shaft 21 drives the pressure plate 19 to move, so as to contact and press against the wall of the mating groove 16 to achieve fixation. The mounting table 22 is installed on the position frame 17 and its position can be adjusted. At the target position, the pressure plate 19 can contact and press against the wall of the position frame 17 to achieve fixation. According to the processing requirements, one or more mounting tables 22 can be installed on the position frame 17 to set multiple auxiliary support fixtures.

[0033] Furthermore, the quantity and positional relationship of the positioning frame 17 and the mounting components can be set according to the workpiece structure. Specifically, the positioning frame 17 and the mounting components can be prepared on the preparation table 1 37 and the preparation table 2 38 respectively. According to the installation requirements, the motor 4 32 drives the lead screw 4 33 to rotate, so that the transfer seat 34 moves. The control cylinder 35 controls the transfer table 36 to move. The motor 5 39 drives the lead screw 5 40 to rotate, so that the slide 5 41 moves. The clamping cylinder 42 controls the clamping part 43 to clamp the positioning frame 17 and the mounting components and transfer them to the positioning table 15. Alternatively, the positioning frame 17 and the mounting components can be disassembled from the positioning table 15.

[0034] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A milling machine tool for aerospace titanium alloy skeletons, comprising a base (1), wherein a positioning table (15) is slidably disposed on the base (1) for positioning and mounting workpieces; characterized in that: The positioning platform (15) can be detachably and assembled with different numbers of position frames (17). One end of the position frame (17) is open. The bottom of the position frame (17) is provided with an electromagnetic fixing component for fixing the position frame (17) on the positioning platform (15). Different numbers of installation components can be detachably and assembled on the position frame (17). The installation components include a mounting platform (22) that can be slidably mounted on the position frame (17). The mounting platform (22) is also provided with an electromagnetic fixing component for fixing the mounting platform (22) on the position frame (17). Clamping fixtures or auxiliary support fixtures can be installed on the mounting platform (22). A bracket (2) is provided on the base (1). The two ends of the bracket (2) are respectively prepared to install the position frame (17) and the installation components. A transfer mechanism is provided on the top of the bracket (2) for positioning and transferring the position frame (17) and the installation components. The transfer mechanism includes a motor four (32) fixedly mounted on the top of the support (2) and a lead screw four (33) rotatably mounted on the top of the support (2). The lead screw four (33) is driven by the motor four (32). A transfer seat (34) is slidably mounted on the top of the support (2). The transfer seat (34) and the lead screw four (33) form a screw pair. A control electric cylinder (35) is fixedly mounted on the transfer seat (34). A transfer platform (36) is fixedly mounted on the extension rod of the control electric cylinder (35). The transfer table (36) is fixedly mounted with motor five (39) and rotatably mounted with lead screw five (40). Lead screw five (40) is driven by motor five (39). Slide seat five (41) is slidably mounted on the transfer table (36). Slide seat five (41) and lead screw five (40) form a screw pair. Clamping electric cylinder (42) is fixedly mounted on slide seat five (41). Clamping parts (43) are fixedly mounted on the telescopic rods at both ends of clamping electric cylinder (42) for clamping the mounting components or position frame (17).

2. The integrated milling machine tool for aerospace titanium alloy skeletons according to claim 1, characterized in that: A slide block two (12) is slidably mounted on the base (1), and a positioning table (15) is slidably mounted on the slide block two (12). The slide block two (12) and the positioning table (15) work together to move horizontally in the X and Y directions. A milling mechanism is provided at the end of the base (1), and the milling mechanism moves in the Y direction.

3. The integrated milling machine tool for aerospace titanium alloy skeletons according to claim 1, characterized in that: The slide block 2 (12) is provided with a mating groove (16), and the bottom of the position frame (17) is fixedly provided with a position seat (18). The electromagnetic fixing component is provided inside the position seat (18); the position seat (18) is slidably installed on the mating groove (16).

4. The integrated milling machine tool for aerospace titanium alloy skeletons according to claim 3, characterized in that: The electromagnetic fixing assembly includes an electromagnetic controller (20) and an electromagnetic slide shaft (21). The electromagnetic controller (20) is used to control the movement of the electromagnetic slide shaft (21). A pressure plate (19) is provided on the electromagnetic slide shaft (21). For the electromagnetic fixing assembly inside the position seat (18), the pressure plate (19) contacts and presses against the wall of the mating groove (16) for fixing. For the electromagnetic fixing assembly inside the mounting platform (22), the pressure plate (19) contacts and presses against the wall of the position frame (17) for fixing.

5. The integrated milling machine tool for aerospace titanium alloy skeletons according to claim 1, characterized in that: The installation assembly includes fixed electric cylinders (23) fixedly installed on both sides of the installation platform (22), and an installation groove is provided on the installation platform (22) for positioning and installing clamping fixtures or auxiliary support fixtures.

6. The integrated milling machine tool for aerospace titanium alloy skeletons according to claim 5, characterized in that: The clamping fixture includes a clamping platform (26), a mating seat (31) is fixedly provided at the bottom of the clamping platform (26), a positioning groove is provided on the side of the mating seat (31), and the mating seat (31) can be installed in conjunction with the mounting groove on the mounting platform (22). The telescopic rod of the fixed electric cylinder (23) is engaged with the positioning groove on the mating seat (31) for fixing. A clamping seat (27) is slidably installed on the clamping platform (26), and a clamping screw (29) is rotatably installed. A clamping gear (30) is fixedly connected to the end of the clamping screw (29). A control disk (28) is rotatably installed in the central area of ​​the clamping platform (26), and the control disk (28) meshes with the clamping gear (30).

7. The integrated milling machine tool for aerospace titanium alloy skeletons according to claim 5, characterized in that: The auxiliary support fixture includes a support base (24), a positioning groove is provided on the side of the support base (24), the support base (24) can be installed in conjunction with the mounting groove on the mounting platform (22), and the telescopic rod of the fixed electric cylinder (23) is engaged with the positioning groove on the support base (24) for fixing; a support ball rod (25) is threadedly connected to the support base (24).

8. The integrated milling machine tool for aerospace titanium alloy skeletons according to claim 1, characterized in that: The two ends of the bracket (2) are respectively fixedly connected to a first preparation platform (37) and a second preparation platform (38). The first preparation platform (37) is used to position the installation frame (17), and the second preparation platform (38) is used to position the installation components.

Images