CN211305514U - CNC multi-axis machining device - Google Patents

Abstract

The utility model discloses a numerical control multi-axis machining device, which comprises a numerical control machine tool, a rotary table and a clamp for clamping a workpiece, wherein the numerical control machine tool is provided with a movable workbench and a numerical control machining manipulator, the rotary table is arranged on the workbench, an output shaft can rotate, and the rotary table is connected with a control system of the numerical control machine tool; the fixture is connected to an output shaft of the rotary table to drive the workpiece to rotate and is matched with the numerical control machining mechanical arm to machine the workpiece. The utility model discloses but numerical control multiaxis processingequipment turn-milling combined machining, control are simple, processing is convenient, low in production cost.

Description

CNC multi-axis machining device

technical field

The utility model relates to numerical control processing equipment, in particular to a numerical control multi-axis processing device.

Background technique

In the prior art, CNC machine tool processing is to process the curved surface of the product by three axes. The workpiece is clamped by a pneumatic clamp on the machine table, and then the workpiece is processed by controlling the walking path of the CNC machining manipulator. Taking the processing of the ceramic bezel as an example, the existing method is to first clamp and position the ceramic bezel, and the ceramic bezel does not move during processing, and only controls the CNC machining manipulator to repeat the small-pitch surface processing, and finally realizes the entire annular shape of the ceramic bezel. surface processing. However, this method makes the process tool path complicated, the numerical control program design is complicated, the control is inconvenient, the processing time is long, and the production cost is high.

Utility model content

The purpose of the utility model is to provide a numerical control multi-axis machining device capable of turning and milling compound machining, simple control, convenient machining and low production cost.

In order to achieve the above purpose, the numerical control multi-axis machining device provided by the present invention includes a numerical control machine tool, a turntable and a fixture for clamping workpieces. The turntable is connected to the control system of the CNC machine tool; the clamp is connected to the output shaft of the turntable to drive the workpiece to rotate and cooperate with the CNC machining manipulator to process artifact.

Compared with the prior art, in the present invention, a turntable is provided, and the turntable is set on the worktable of the numerical control machine tool. Since the output shaft of the turntable can be rotated, it is combined with the worktable to be arranged on the turntable. The fixture can move along X, Y, Z and circumferential directions to realize multi-axis machining. At the same time, by controlling the CNC machining manipulator to perform single-line processing, it is suitable for turning and milling compound operations on annular workpieces. The process tool path is relatively simple in the entire processing process, the CNC program design is simplified, the control is simple and convenient, and the processing time is short. , effectively reducing production costs. In addition, since it is only necessary to add equipment such as turntables and fixtures to the original CNC machine tools, one CNC machine tool can achieve multiple processing methods, thereby saving the number of CNC machine tools and further reducing production costs.

Preferably, the clamp is a spring steel clamp.

Preferably, the clamp includes a lock block, a locking screw and a clamp body, the clamp body has at least two elastic clamping claws, the elastic clamping claws are arranged around and form a container for accommodating the lock block in the middle. The locking screw passes through the locking block and is threadedly connected to the clamping body, so as to drive the elastic clamping claw to expand outward through the locking block. Through the cooperation of the lock block and the locking screw, the elastic jaws can be expanded or contracted, so as to clamp or loosen the workpiece, effectively simplifying the structure of the clamp.

Specifically, the accommodating cavity has an inverted cone shape, and the lock block matches the shape of the accommodating cavity.

Specifically, the elastic clamping jaws have a stepped structure, so as to clamp a ring-shaped workpiece. The stepped structure can support the workpiece on the surface and clamp the inner ring of the workpiece, thereby positioning the workpiece quickly and efficiently.

Specifically, the inner bottom of the accommodating cavity is provided with a threaded hole, the locking block is provided with a through hole along the direction of the central axis, and the through hole is coaxial with the threaded hole.

Specifically, the lower part of the clamp body has a mounting flange. By using the mounting flange, the fixture can be quickly mounted on the workbench, thereby improving the efficiency of installation and debugging.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the numerical control multi-axis machining device of the present invention.

FIG. 2 is a structural diagram of the turntable of the numerical control multi-axis machining device of the present invention.

FIG. 3 is a structural diagram of a fixture of the numerical control multi-axis machining device of the present invention.

FIG. 4 is an exploded view of the fixture of the numerical control multi-axis machining device of the present invention.

FIG. 5 is a state diagram of the clamp of the numerical control multi-axis machining device of the present invention when it is clamped.

Detailed ways

In order to describe in detail the technical content, structural features and achieved effects of the present utility model, the following detailed description is given in conjunction with the embodiments and the accompanying drawings.

As shown in FIG. 1 and FIG. 2 , the numerical control multi-axis machining device 100 of the present invention includes a numerical control machine tool 1 , a turntable 2 and a fixture 3 for clamping a workpiece. The workpiece in this embodiment is a ceramic bezel 200 . The numerical control The machine tool 1 has a movable worktable 11 and a CNC machining manipulator 12. The worktable 11 can be moved and adjusted along the X, Y, and Z axes. The turntable 2 is installed on the worktable 11. The output shaft is arranged and rotatable along the Z axis, the turntable 2 is connected with the control system of the CNC machine tool 1; the fixture 3 is connected to the output shaft of the turntable 2, and the turntable 2 is provided with a motor 21, so The motor 21 can drive the output shaft to rotate, and the coaxiality between the output shaft and the central axis of the fixture 3 is guaranteed to be 0.02 mm, and the fixture 3 can drive the ceramic bezel 200 to rotate, and cooperate with the CNC machining The manipulator 12 processes the ceramic bezel 200 .

As shown in FIGS. 3 to 5 , the clamp 3 is a spring steel clamp 3 . The clamp 3 includes a lock block 31 , a locking screw 32 and a clamping body 33 . The clamping body 33 has at least two elastic clamping jaws 331 , and the elastic clamping jaws 331 are arranged around the central axis of the clamp 3 and formed in the middle. The accommodating cavity 332 of the lock block 31 is accommodated, and the inner bottom of the accommodating cavity 332 is provided with a threaded hole 333 . The locking block 31 is provided with a through hole 311 along the direction of the central axis, and the through hole 311 is coaxial with the threaded hole 333 . The locking screw 32 passes through the through hole 311 of the locking block 31 and is threadedly connected to the threaded hole 333, so as to press the elastic clamping claw 331 through the locking block 31 to drive the elastic clamping claw 331 to move toward the threaded hole 333. external expansion. Specifically, the accommodating cavity 332 has an inverted cone shape, and the lock block 31 matches the shape of the accommodating cavity 332 . The elastic clamping jaws 331 have a stepped structure 331a to clamp a ring-shaped workpiece. The stepped structure 331a can support the workpiece on the surface and clamp the inner ring of the workpiece, so as to quickly and efficiently position the ceramic bezel 200 . The lower part of the clamp body 33 has a mounting flange 334 . Using the mounting flange 334, the fixture 3 can be quickly mounted on the workbench 11, thereby improving the efficiency of installation and debugging. Through the cooperation of the locking block 31 and the locking screw 32 , the elastic clamping jaws 331 can be expanded or contracted, so as to clamp or loosen the workpiece, effectively simplifying the structure of the clamp 3 .

When processing the ceramic bezel 200 , the ceramic bezel 200 is firstly sleeved on the stepped structure 331 a of the clamping body 33 , and then the locking screw 32 is tightened to make the locking block 31 press the clamping jaws. After the clamping jaws are expanded, the ceramic bezel 200 can be clamped tightly, and then the worktable 11 is controlled to adjust the position of the ceramic bezel 200 , so that the ceramic bezel 200 and the numerical control machining manipulator 12 are not moved. The grinding wheel approaches. Finally, start the motor 21 on the turntable 2 to drive the ceramic bezel 200 to rotate through the fixture 3. At the same time, start the grinding wheel on the CNC machining manipulator 12 to make the grinding wheel rotate. When the table 11 drives the ceramic bezel 200 to contact the grinding wheel, the grinding wheel can process the ceramic bezel 200 .

Compared with the prior art, in the present invention, a turntable 2 is provided, and the turntable 2 is arranged on the worktable 11 of the numerical control machine tool 1. Since the output shaft of the turntable 2 can be rotated, it is combined with the worktable. 11 enables the fixture 3 arranged on the turntable 2 to move along the X, Y, Z and circumferential directions to realize multi-axis machining. At the same time, by controlling the CNC machining manipulator 12 to perform single-line processing, it can be suitable for turning and milling compound operations on annular workpieces. The process tool path is relatively simple in the entire processing process, the numerical control program design is simplified, the control is simple and convenient, and the processing time Short, effectively reduce production costs. In addition, since it is only necessary to add equipment such as a turntable 2 and a fixture 3 to the original CNC machine tool 1, one CNC machine tool 1 can achieve multiple processing methods, thereby saving the number of CNC machine tools 1 and further reducing production costs.

The structures and principles of the numerical control machine tool 1 involved in the numerical control multi-axis machining device 100 of the present invention are well known to those of ordinary skill in the art, and will not be described in detail here.

What has been disclosed above is only a preferred example of the present invention, of course, it cannot limit the scope of rights of the present invention. Therefore, the equivalent changes made according to the scope of the patent application of the present invention still belong to the scope covered by the present invention. .

Claims (7)

1. A numerically controlled multi-axis machining device is characterized in that: comprising a numerically controlled machine tool, a turntable and a clamp for clamping a workpiece, the numerically controlled machine tool has a movable table and a numerically controlled machining manipulator, and the turntable is mounted on the described The turntable is connected to the control system of the CNC machine tool on the worktable and the output shaft is rotatable; the clamp is connected to the output shaft of the turntable to drive the workpiece to rotate, and cooperate with the CNC machining manipulator to process the workpiece . 2 . The numerical control multi-axis machining device according to claim 1 , wherein the clamp is a spring steel clamp. 3 . 3. The numerical control multi-axis machining device according to any one of claims 1 or 2, wherein the clamp comprises a locking block, a locking screw and a clamping body, and the clamping body has at least two elastic clamping jaws, The elastic clamping jaws are arranged around and form a accommodating cavity for accommodating the lock block in the middle, and the locking screw passes through the lock block and is threadedly connected with the clamping body, so as to drive the lock block through the lock block. The elastic jaws expand outward. 4 . The numerical control multi-axis machining device according to claim 3 , wherein the accommodating cavity has an inverted cone shape, and the lock block matches the shape of the accommodating cavity. 5 . 5 . The numerically controlled multi-axis machining device according to claim 3 , wherein the elastic clamping jaws have a stepped structure to clamp a ring-shaped workpiece. 6 . 6 . The numerical control multi-axis machining device according to claim 3 , wherein the inner bottom of the accommodating cavity is provided with a threaded hole, the lock block is provided with a through hole along the direction of the central axis, and the through hole and The threaded holes are coaxial. 7 . The numerical control multi-axis machining device according to claim 3 , wherein the lower part of the clamping body has a mounting flange. 8 .

Images