CN103551861B - Numerical control machining center machine tool - Google Patents

Abstract

The present invention discloses a CNC machining center machine tool. A machining tool clamping device can be clamped with different machining tools such as turning tools, milling cutters, drill bits, boring tools and grinders according to machining needs. A workpiece clamped on a working platform at one time can be subjected to multiple combined machining, thereby reducing the number of clamping times of the workpiece and improving the machining accuracy of the workpiece. At the same time, by controlling the rotation drive device, the machining tool clamping device is driven to rotate at a corresponding angle to link other axes to meet the machining needs of complex workpieces. The present invention has a simple structure, and a workpiece clamped at one time can be subjected to a combination of multiple machining methods, thereby effectively ensuring the machining accuracy of the workpiece.

Description

A CNC machining center machine tool

【Technical field】

The invention relates to a machine tool, in particular to a numerically controlled machining center machine tool.

【Background technique】

In recent years, with the continuous advancement of science and technology, the processing equipment in the machining and manufacturing industry has developed rapidly, especially CNC processing machine tools. Traditional processing machine tools use mechanical transmission control, and the operation method is single. Generally, when a machine tool is working, it can only perform turning, milling, drilling or grinding processing alone, and a workpiece requires a combination of multiple processing methods. However, it is necessary to perform clamping processing on multiple machine tools. After multiple clamping processes on the same workpiece, large shape and position tolerances and reference tolerances are generated, so it is difficult to complete the processing of high-precision workpieces.

The present invention studies and proposes aiming at the deficiencies in the prior art.

【Content of invention】

The technical problem to be solved by the present invention is to provide a kind of numerical control machining center machine tool, on the processing tool clamping device, according to the needs of processing, different processing tools such as turning tools, milling cutters, drill bits, boring tools and grinding tools can be clamped. A variety of combined processing is performed on the workpiece that is clamped on the working platform at one time, reducing the number of clamping times of the workpiece and improving the machining accuracy of the workpiece. The other axes are suitable for the processing of complex workpieces. The invention has a simple structure and can combine multiple processing methods for a workpiece that is clamped at one time, effectively ensuring the processing accuracy of the workpiece.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

A CNC machining center machine tool of the present invention comprises a machine base and an electric control box, the machine base is provided with a frame, the electric control box is arranged on one side of the machine frame, and the machine base is provided with A rotating working platform for clamping workpieces. The machine base is also provided with a working platform driving device for driving the working platform to rotate horizontally. There is a traversing driving device for driving the lateral movement of the traversing slide. The traversing slide is connected to a vertical slide that can move up and down in the vertical direction relative to the traversing slide. The vertical drive device, the lower end of the vertical slide plate is connected with a processing tool clamping device for installing a processing tool that can rotate relative to the vertical slide plate, and the vertical slide plate is provided with a rotation angle for driving the processing tool clamping device The rotary driving device, the traversing driving device includes a traversing drive screw and a traversing slide rail arranged in parallel with the frame beam, one end of the traversing drive screw is connected to a traversing drive motor, and the traversing drive The motor is fixedly connected with the frame, the sledge board is connected with the sledge drive screw rod through the nut pair, the back side of the sledgeboard is slidably connected with the sledway rail, and the front side of the sledgeboard is connected with the vertical slideway. Slidingly connected, the vertical driving device includes a vertical transmission screw provided on the vertical slide along the vertical direction, the vertical transmission screw is matched with a vertical transmission screw nut, and the vertical transmission screw The nut is rotatably connected to the sledgeboard, and the sledgeboard is provided with a vertical drive motor for driving the vertical transmission screw nut to move the vertical transmission screw and the vertical sledgeboard up and down, and the clamping device for the processing tool includes a It is used to hold the main shaft of milling cutter, boring tool, drill bit or grinding tool and the tool holder for loading truck tool. The upper end of the main shaft is connected with the main shaft driving motor for driving the main shaft. Loosen the supercharging device of the tool clamped on the main shaft. The processing tool clamping device also includes an avoidance drive device for driving the telescopic movement of the tool seat. The avoidance drive device includes a tool seat and tool seat connecting plate. An avoidance drive motor is fixedly connected to the seat connecting plate, and the output end of the avoidance drive motor is connected with an avoidance screw rod, and the avoidance screw rod and the knife seat are connected by a screw pair, and the knife seat is slidingly connected to the knife seat connecting plate .

The working platform driving device includes a working platform driving motor fixedly connected to the machine base, the output end of the working platform driving motor is connected with a working platform driving gear, and the bottom of the working platform is fixedly connected with an inner ring with teeth for connecting with the working platform. The transmission chainring meshed with the table drive gear.

The rotation drive device includes a rotation drive motor fixedly connected to the lower end of the vertical slide plate, and the output end of the rotation drive motor is connected to the machining tool clamping device.

The base is T-shaped.

The upper surface of the working platform is provided with a T-shaped slot for clamping workpieces.

The working platform is circular.

The frame adopts a gantry structure.

The invention is a CNC machining center machine tool, the working platform used for clamping the workpiece can rotate horizontally, and the processing tool clamping device can clamp different turning tools, milling cutters, drills, boring tools and grinding tools according to the processing requirements It can process multiple combinations of workpieces once clamped on the work platform, reduce the number of workpiece clamping, and improve the machining accuracy of the workpiece. At the same time, by controlling the rotating drive device, the processing tool clamping device can be driven accordingly The rotation angle is used to link other axes to meet the processing of complex workpieces. The invention has a simple structure and can combine multiple processing methods for a workpiece that is clamped at one time, effectively ensuring the processing accuracy of the workpiece.

【Description of drawings】

The specific embodiment of the present invention is described in further detail below in conjunction with accompanying drawing, wherein:

Fig. 1 is one of structural schematic diagrams of the present invention.

Fig. 2 is the second structural diagram of the present invention.

Figure 3 is an exploded view of the present invention.

Fig. 4 is a schematic structural view of the machining tool clamping device in the present invention.

【detailed description】

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

The present invention is a kind of CNC machining center machine tool. The present invention is a kind of CNC machining center machine tool, which comprises a base 1 and an electric control box 10. The base 1 is T-shaped, and the base 1 is provided with a frame 2. The frame 2 adopts a gantry structure, the electric control box 10 is arranged on one side of the frame 2, and a corresponding control panel is arranged on the electric control box 10 to control each structure. The working platform 3 for clamping the workpiece that rotates horizontally relative to the machine base 1, the working platform 3 is circular, and the upper surface of the working platform 3 is provided with a T-shaped groove for clamping the workpiece. A working platform driving device 4 for driving the horizontal rotation of the working platform 3 is also provided. A traversing slide plate 5 is slidably connected to the crossbeam of the frame 2, and a transverse sliding plate 5 for driving the traversing sliding plate 5 to move laterally is provided on the frame 2. Move the driving device 6, the vertical slide plate 11 is connected to the horizontal slide plate 5 and can move up and down in the vertical direction relative to the slide plate 5, and the vertical slide plate 5 is provided with a vertical drive for driving the vertical slide plate 11. Device 7, the lower end of the vertical slide 11 is connected with a processing tool clamping device 8 for installing a processing tool that can rotate relative to the vertical slide 11, and the vertical slide 11 is provided with a clamping device 8 for driving a processing tool The rotary drive device 9 of the rotation angle. Through the corresponding control of the working platform driving device 4, the traverse driving device 6, the vertical driving device 7 and the rotating driving device 9, the processing tool clamping device 8 can perform multiple combined processing on the workpiece once clamped on the working platform 3, Guarantee the processing accuracy of the workpiece.

The working platform driving device 4 includes a working platform driving motor 41 fixedly connected to the machine base 1, the output end of the working platform driving motor 41 is connected with a working platform driving gear 42, and the bottom of the working platform 3 is fixedly connected with an inner ring belt The toothed drive gear 43 is used to mesh with the working platform drive gear 42 . When turning, the machining tool clamping device 8 is adjusted to the angle required for machining, and remains stationary, and the working platform 3 rotates, so that the workpiece can be turned.

The traversing driving device 6 includes a traversing drive screw 61 and a traversing slide rail 63 arranged parallel to the crossbeam of the frame 2, and one end of the traversing drive screw 61 is connected with a traversing drive motor 62, and the traversing The driving motor 62 is fixedly connected with the frame 2, and the traversing slide plate 5 is connected with the traversing transmission screw rod 61 through a nut pair. The rail 63 is slidably connected, and the front of the traverse slide plate 5 is slidably connected with the vertical slide plate 11 through a slider rail structure. To the transmission screw 71, the two ends of the vertical transmission screw 71 are fixedly connected with the vertical slide plate 11, and the vertical transmission screw 71 is connected with a vertical transmission screw nut 72, and the vertical transmission screw nut 72 is connected with The traversing slide plate 5 is rotationally connected by bearings, and the traversing slide plate 5 is provided with a vertical drive motor 73 for driving a vertical transmission screw nut 72 to move the vertical transmission lead screw 71 and the vertical slide plate 11 up and down.

The machining tool clamping device 8 includes a main shaft 81 for clamping a milling cutter, a boring tool, a drill bit or a grinding tool and a tool seat 82 for loading a truck tool. When machining a center hole, the boring tool can be installed on the tool seat 82, the upper end of the main shaft 81 is connected with a main shaft drive motor 83 for driving the main shaft 81, and the main shaft 81 is also provided with a supercharging device 84 for clamping or loosening the tool clamped on the main shaft 81. The tool clamping device 8 also includes an avoidance driving device 85 for driving the telescopic movement of the tool seat 82 . When performing milling, drilling or grinding, the avoidance driving device 85 drives the tool seat 82 to retract upwards to avoid mutual interference.

The dodging driving device 85 includes a tool seat 82 and a knife seat connecting plate 851, the knife seat connecting plate 851 is fixedly connected with an avoiding driving motor 852, and the output end of the avoiding driving motor 852 is connected with an avoiding screw rod 853, so The avoidance screw rod 853 is connected with the knife seat 82 through a nut pair, and the knife seat 82 is slidably connected with the knife seat connecting plate 851 .

The rotation drive device 9 includes a rotation drive motor 91 fixedly connected to the lower end of the vertical slide 11 , and the output end of the rotation drive motor 91 is connected to the machining tool clamping device 8 .

Claims (7)

1. A numerical control machining center machine tool is characterized in that comprising a support (1) and an electric control box (10), said support (1) being provided with a frame (2), said electric control box (10) Located on one side of the frame (2), the base (1) is provided with a working platform (3) for clamping workpieces that can rotate horizontally relative to the base (1). A working platform driving device (4) for driving the working platform (3) to rotate horizontally is provided, and a traverse slide plate (5) is slidably connected to the crossbeam of the frame (2), and the frame (2) is provided with a A traversing driving device (6) that drives the traversing slide (5) to move laterally. The traversing slide (5) is connected to a vertical slide (11) that can move up and down in the vertical direction relative to the traversing slide (5). The horizontal sliding plate (5) is provided with a vertical driving device (7) for driving the movement of the vertical sliding plate (11). The processing tool clamping device (8) for installing the processing tool, the vertical slide plate (11) is provided with a rotating drive device (9) for driving the rotation angle of the processing tool clamping device (8), and the traverse drive The device (6) includes a traversing transmission screw (61) and a traversing slide rail (63) arranged parallel to the crossbeam of the frame (2), and one end of the traversing transmission screw (61) is connected with a traversing drive motor ( 62), the traversing drive motor (62) is fixedly connected to the frame (2), the traversing slide plate (5) is connected with the traversing transmission screw rod (61) through a nut pair, and the traversing slide plate (5) The back side is slidingly connected with the traversing slide rail (63), the front side of the traversing slide plate (5) is slidably connected with the vertical slide plate (11), and the vertical drive device (7) includes a (11) A vertical transmission screw (71) arranged vertically, the vertical transmission screw (71) is matched with a vertical transmission screw nut (72), and the vertical transmission screw nut (72) ) is rotationally connected with the traversing slide plate (5), and the traversing slide plate (5) is provided with a screw nut (72) for driving the vertical drive screw (71) and the vertical slide plate (11) to move up and down The vertical drive motor (73) of the processing tool, the processing tool clamping device (8) includes a main shaft (81) for clamping a milling cutter, a boring tool, a drill bit or a grinding tool, and a tool seat (82) for loading a truck tool ), the upper end of the main shaft (81) is connected with a main shaft drive motor (83) for driving the main shaft (81), and the main shaft (81) is also provided with a tool for clamping or loosening the tool on the main shaft (81). The pressurization device (84), the processing tool clamping device (8) also includes an avoidance drive device (85) for driving the telescopic movement of the tool seat (82), and the avoidance drive device (85) includes a tool seat ( 82) and the knife seat connecting plate (851), the knife seat connecting plate (851) is fixedly connected with an avoidance drive motor (852), and the output end of the avoidance drive motor (852) is connected with an avoidance screw rod (853) , the avoidance screw rod (853) and the knife seat (82) pass through the screw nut pair Connection, the knife seat (82) is slidingly connected with the knife seat connecting plate (851). 2. A kind of CNC machining center machine tool according to claim 1, characterized in that said work platform driving device (4) comprises a work table drive motor (41) fixedly connected with support (1), said work table drives The output end of the motor (41) is connected to the drive gear (42) of the workbench, and the bottom of the workbench (3) is fixedly connected with a toothed transmission toothed disc (43) on the inner ring for meshing with the drive gear (42) of the workbench . 3. A kind of numerically controlled machining center machine tool according to claim 1, characterized in that said rotary drive device (9) comprises a rotary drive motor (91) fixedly connected to the lower end of the vertical slide plate (11), said rotary drive motor (91) the output end is connected with the machining tool clamping device (8). 4. A numerically controlled machining center machine tool according to claim 1, characterized in that said base (1) is T-shaped. 5. A numerically controlled machining center machine tool according to claim 1, characterized in that the upper surface of the working platform (3) is provided with a T-shaped groove for clamping workpieces. 6. A numerical control machining center machine tool according to claim 1 or 5, characterized in that said working platform (3) is circular. 7. A numerically controlled machining center machine tool according to claim 6, characterized in that said frame (2) adopts a gantry structure.