Multi-channel machine tool for back multi-shaft drilling

Abstract

The utility model discloses a multi-channel machine tool for back multi-shaft drilling, which comprises a machine table, a main shaft case, a main shaft assembly assembled in the middle of the main shaft case, a plurality of groups of feed components arranged around the main shaft assembly, a back shaft platform and a multi-shaft drilling mechanism assembled on the back shaft platform, the main shaft machine box is arranged on the first side of the machine table, the back shaft platform is arranged on the second side of the machine table, and the multi-shaft drilling mechanism comprises a multi-tool apron, a plurality of tools assembled on the multi-tool apron, a multi-shaft tool changing drive used for driving the multi-tool apron to slide so as to achieve changing, and a multi-shaft feeding drive used for driving the multi-tool apron to be close to or away from the rotary chuck. The back shaft platform and the multi-shaft drilling mechanism arranged on the back shaft platform are additionally arranged on the second side of the machine table so that the back face drilling technology can be achieved, the multi-shaft drilling mechanism is provided with a plurality of cutters so that holes of different specifications can be machined, and rapid cutter cutting can be achieved through multi-shaft cutter changing driving.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a multi-channel machine tool for back multi-axis drilling. Background Art

[0002] A CNC machine tool is an automated machine tool equipped with a program control system. After calculation and processing, the CNC device sends out various control signals to control the movement of the machine tool and automatically processes parts according to the shape and size required by the drawing.

[0003] Current CNC machine tools are generally equipped with one or more feed assemblies. For example, a multi-axis CNC machine tool provided by a Chinese utility model patent (patent number CN209465695U) drives the tool to process the workpiece on the lathe spindle through multiple motion modules. However, such a structural design does not have a back-axis system and cannot process the back of the workpiece, which cannot meet the diverse needs of users. Therefore, it is necessary to improve it. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a multi-channel machine tool for back multi-axis drilling.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a multi-channel machine tool for back multi-axis drilling, including a machine table, a spindle case, a spindle assembly installed in the middle of the spindle case and multiple groups of feed assemblies arranged around the spindle assembly, the spindle assembly is equipped with a rotating chuck for clamping the workpiece, and the multiple groups of feed assemblies can process the workpiece in the rotating chuck. It also includes a back-axis platform and a multi-axis drilling mechanism installed on the back-axis platform. The spindle case is arranged on the first side of the machine table, and the back-axis platform is arranged on the second side of the machine table. The multi-axis drilling mechanism includes a multi-tool holder, multiple tools installed on the multi-tool holder, a multi-axis tool changing drive for driving the multi-tool holder to slide to achieve tool changing, and a multi-axis feed drive fixed to the back-axis platform and used to drive the multi-tool holder to approach or move away from the rotating chuck.

[0006] In a further technical solution, a plurality of the tools are mounted in parallel on a multi-tool holder, and the multi-axis tool change drive is used to drive the multi-tool holder to slide up and down so that the central axis of the corresponding tool is horizontally aligned with the central axis of the rotary chuck.

[0007] In a further technical solution, the multi-axis tool changing drive includes a multi-axis drilling stand, a lifting drive source installed on the multi-axis drilling stand, a multi-axis drilling slide plate slidably installed on the multi-axis drilling stand and connected to the lifting drive source, and the multi-tool stand is fixedly installed on the multi-axis drilling slide plate.

[0008] In a further technical solution, the lifting drive source includes a multi-axis drilling motor base fixedly mounted on a multi-axis drilling base, a multi-axis drilling motor assembled on the multi-axis drilling motor base, a multi-axis drilling screw driven and connected to the multi-axis drilling motor, and a multi-axis drilling nut used in conjunction with the multi-axis drilling screw; the multi-axis drilling slide plate is fixedly connected to the multi-axis drilling nut.

[0009] In a further technical solution, the multi-axis tool changing drive also includes a multi-axis drilling protective cover mounted on a multi-axis drilling stand, the lifting drive source and the multi-axis drilling slide are both built into the multi-axis drilling protective cover, and the multi-tool stand protrudes out of the multi-axis drilling protective cover.

[0010] In a further technical solution, the multi-axis feed drive includes a multi-axis feed base fixedly mounted on the back-axis platform, a multi-axis feed motor assembled on the multi-axis feed base, a multi-axis feed screw driven and connected to the multi-axis feed motor, a multi-axis feed nut used in conjunction with the multi-axis feed screw, and a multi-axis feed slide fixed to the multi-axis feed nut, and the multi-axis tool changing drive is fixedly mounted on the multi-axis feed slide.

[0011] In a further technical solution, the multi-axis feed drive also includes a protective curtain installed on the side of the back-axis platform close to the rotating chuck.

[0012] In a further technical solution, a waste recovery groove is hollowed out at a position between the main spindle housing and the back spindle platform of the machine, and a waste recovery basket is arranged below the machine waste recovery groove.

[0013] After adopting the above structure, the utility model has the following advantages compared with the prior art:

[0014] The utility model adds a back-axis platform and a multi-axis drilling mechanism arranged on the back-axis platform on the second side of the machine to realize the back drilling process. Secondly, the multi-axis drilling mechanism is equipped with multiple tools, which can process holes of different specifications, and the multi-axis tool changing drive can realize fast cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a multi-axis drilling mechanism;

[0018] Figure 3 It is a schematic diagram of the structure of the multi-axis tool change drive, tool holder and tool;

[0019] Figure 4 It is a schematic diagram of the structure of multi-axis feed drive;

[0020] Figure 5 It is a structural schematic diagram of a spindle chassis, a spindle assembly and multiple sets of feed components. DETAILED DESCRIPTION

[0021] The following are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention.

[0022] like Figures 1 to 5 As shown, the utility model provides a multi-channel machine tool for back multi-axis drilling, including a machine table 4, a spindle case 1, a spindle assembly 2 mounted in the middle of the spindle case 1, and multiple groups of feed assemblies 3 arranged around the spindle assembly 2, the spindle assembly 2 is provided with a rotary chuck 20 for clamping a workpiece, the multiple groups of feed assemblies 3 can process the workpiece in the rotary chuck 20, and it also includes a back-axis platform 5 and a multi-axis drilling mechanism 6 mounted on the back-axis platform 5, the spindle case 1 is arranged on a first side of the machine table 4, the back-axis platform 5 is arranged on a second side of the machine table 4, the multi-axis drilling mechanism 6 includes a multi-tool holder 60, multiple tools 61 mounted on the multi-tool holder 60, a multi-axis tool changing drive 62 for driving the multi-tool holder 60 to slide to achieve tool changing, and a multi-axis feed drive 63 fixed to the back-axis platform 5 and used to drive the multi-tool holder 60 to approach or move away from the rotary chuck 20.

[0023] The utility model adds a back-axis platform 5 and a multi-axis drilling mechanism 6 arranged on the back-axis platform 5 on the second side of the machine to realize the back drilling process. Secondly, the multi-axis drilling mechanism 6 is equipped with multiple tools 61, which can process holes of different specifications, and the multi-axis tool changing drive 62 can realize fast cutting.

[0024] More specifically, the drive of each multi-group feed assembly 3 can be equipped with different types of cutting kits. For example, the cutting kit can be set as a CNC tool 301, a multi-tool kit, a nozzle guide sleeve 33, a tail butt support 35 or a milling cutter kit 34, etc., to meet various process requirements of turning, milling, drilling or tapping the workpiece, etc., and is highly practical.

[0025] In a feasible implementation scheme, the multi-tool holder 60 is provided with a plurality of mounting holes, and each of the cutters 61 is sequentially assembled in the mounting holes of the multi-tool holder 60 through a locking member.

[0026] Specifically, in this embodiment, a plurality of the tools 61 are mounted in parallel on the multi-tool holder 60 , and the multi-axis tool change drive 62 is used to drive the multi-tool holder 60 to slide up and down so that the central axis of the corresponding tool 61 is horizontally aligned with the central axis of the rotary chuck 20 .

[0027] More specifically, the multi-axis tool change drive 62 includes a multi-axis drilling stand 620, a lifting drive source 621 installed on the multi-axis drilling stand 620, and a multi-axis drilling slide 622 slidably installed on the multi-axis drilling stand 620 and drivingly connected to the lifting drive source 621, and the multi-tool holder 60 is fixedly installed on the multi-axis drilling slide 622. During operation, the lifting drive source 621 drives the multi-axis drilling slide 622 to slide up and down, thereby driving the multi-tool holder 60 to slide up and down, so that the corresponding tool 61 is switched to a specified position.

[0028] In this embodiment, the lifting drive source 621 includes a multi-axis drilling motor base 6210 fixedly installed on the multi-axis drilling base 620, a multi-axis drilling motor 6211 assembled on the multi-axis drilling motor base 6210, a multi-axis drilling screw 6212 driven and connected to the multi-axis drilling motor 6211, and a multi-axis drilling nut 6213 used in conjunction with the multi-axis drilling screw 6212. The multi-axis drilling slide plate 622 is fixedly connected to the multi-axis drilling nut 6213. During specific operation, the multi-axis drilling motor 6211 drives the multi-axis drilling screw 6212 to rotate, and the multi-axis drilling screw 6212 drives the multi-axis drilling nut 6213 to slide, so that the multi-axis drilling slide plate 622 slides accordingly.

[0029] In this embodiment, the multi-axis tool changing drive 62 also includes a multi-axis drilling protective cover 6214 mounted on the multi-axis drilling stand 620, the lifting drive source 621 and the multi-axis drilling slide 622 are both built into the multi-axis drilling protective cover 6214, and the multi-tool stand 60 protrudes out of the multi-axis drilling protective cover 6214. By adding the multi-axis drilling protective cover 6214, the various mechanical components can be effectively protected to prevent the waste chips generated by drilling from flying into the mechanical components and causing equipment loss or crash.

[0030] In this embodiment, the multi-axis feed drive 63 includes a multi-axis feed base 630 fixedly installed on the back-axis platform 5, a multi-axis feed motor 631 assembled on the multi-axis feed base 630, a multi-axis feed screw 632 drivingly connected to the multi-axis feed motor 631, a multi-axis feed nut 633 used in conjunction with the multi-axis feed screw 632, and a multi-axis feed slide 634 fixed to the multi-axis feed nut 633, and the multi-axis tool changing drive 62 is fixedly installed on the multi-axis feed slide 634.

[0031] More specifically, the multi-axis feed drive 63 further includes a protective curtain 635 mounted on the side of the back-axis platform 5 close to the rotating chuck 20, wherein the protective curtain 635 protects the multi-axis feed drive 63 and prevents waste chips from flying into the multi-axis feed drive 63. The protective curtain 635 can be an aluminum curtain.

[0032] In this embodiment, the machine table 4 is hollowed out to form a waste recovery groove 40 at a position between the spindle housing 1 and the back spindle platform 5, and a waste recovery basket 41 is arranged below the machine waste recovery groove 40. The waste chips generated by drilling fall into the waste recovery basket 41 through the waste recovery groove 40 for recovery, so as to facilitate workers to clean up the waste.

[0033] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A multi-channel machine tool for back multi-axis drilling, comprising a machine table (4), a spindle housing (1), a spindle assembly (2) mounted in the middle of the spindle housing (1), and a plurality of feed assemblies (3) arranged around the spindle assembly (2), the spindle assembly (2) being provided with a rotary chuck (20) for clamping a workpiece, the plurality of feed assemblies (3) being capable of processing the workpiece in the rotary chuck (20), characterized in that: The invention also comprises a back-shaft platform (5) and a multi-axis drilling mechanism (6) mounted on the back-shaft platform (5); the spindle housing (1) is arranged on a first side of the machine platform (4); the back-shaft platform (5) is arranged on a second side of the machine platform (4); the multi-axis drilling mechanism (6) comprises a multi-tool holder (60), a plurality of tools (61) mounted on the multi-tool holder (60), a multi-axis tool changing drive (62) for driving the multi-tool holder (60) to slide to achieve tool changing, and a multi-axis feed drive (63) fixed on the back-shaft platform (5) and used to drive the multi-tool holder (60) to approach or move away from the rotary chuck (20).

2. A multi-channel machine tool for back multi-axis drilling according to claim 1, characterized in that: A plurality of the tools (61) are mounted in parallel on a multi-tool holder (60), and the multi-axis tool change drive (62) is used to drive the multi-tool holder (60) to slide up and down so that the central axis of the corresponding tool (61) is horizontally aligned with the central axis of the rotary chuck (20).

3. The multi-channel machine tool for back multi-axis drilling according to claim 1, characterized in that: The multi-axis tool change drive (62) comprises a multi-axis drilling stand (620), a lifting drive source (621) installed on the multi-axis drilling stand (620), and a multi-axis drilling slide plate (622) slidably installed on the multi-axis drilling stand (620) and drivingly connected to the lifting drive source (621), and the multi-tool stand (60) is fixedly installed on the multi-axis drilling slide plate (622).

4. A multi-channel machine tool for back multi-axis drilling according to claim 3, characterized in that: The lifting drive source (621) comprises a multi-axis drilling motor seat (6210) fixedly mounted on the multi-axis drilling stand (620), a multi-axis drilling motor (6211) mounted on the multi-axis drilling motor seat (6210), a multi-axis drilling screw rod (6212) drivingly connected to the multi-axis drilling motor (6211), and a multi-axis drilling nut (6213) used in conjunction with the multi-axis drilling screw rod (6212); the multi-axis drilling slide plate (622) is fixedly connected to the multi-axis drilling nut (6213).

5. The multi-channel machine tool for back multi-axis drilling according to claim 3, characterized in that: The multi-axis tool change drive (62) also includes a multi-axis drilling protective cover (6214) assembled on the multi-axis drilling stand (620), the lifting drive source (621) and the multi-axis drilling slide plate (622) are both built into the multi-axis drilling protective cover (6214), and the multi-tool stand (60) protrudes out of the multi-axis drilling protective cover (6214).

6. The multi-channel machine tool for back multi-axis drilling according to claim 1, characterized in that: The multi-axis feed drive (63) includes a multi-axis feed base (630) fixedly mounted on the back-axis platform (5), a multi-axis feed motor (631) mounted on the multi-axis feed base (630), a multi-axis feed screw (632) drivingly connected to the multi-axis feed motor (631), a multi-axis feed nut (633) used in conjunction with the multi-axis feed screw (632), and a multi-axis feed slide plate (634) fixed to the multi-axis feed nut (633), and the multi-axis tool changing drive (62) is fixedly mounted on the multi-axis feed slide plate (634).

7. A multi-channel machine tool for back multi-axis drilling according to claim 6, characterized in that: The multi-axis feed drive (63) further comprises a protective curtain (635) mounted on the side of the back-axis platform (5) close to the rotating chuck (20).

8. The multi-channel machine tool for back multi-axis drilling according to claim 1, characterized in that: The machine platform (4) is hollowed out to form a waste recovery groove (40) at a position between the main shaft housing (1) and the back shaft platform (5), and a waste recovery basket (41) is arranged below the machine waste recovery groove (40).

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