Cutter lifting mechanism of cutting lathe

Abstract

The utility model relates to the technical field of numerical control lathes, in particular to a tool lifting mechanism of a cutting lathe. The cutter lifting mechanism of the cutting lathe comprises a lathe machine shell body, a cutter lifting mechanism and a cutter lifting mechanism, and an inclined wall is arranged at the top of the lathe machine shell body; the three-axis mechanical arm is arranged on the inclined wall of the machine shell, the three-axis mechanical arm comprises an x axis, a y axis and a z axis, the z axis moves in the direction perpendicular to the inclined wall, the x axis moves in the direction close to a chuck on a main body of the machine shell of the lathe, and the y axis moves in the displacement direction perpendicular to the x axis. The utility model has the beneficial effects that the axial directions of the tool bits mounted on the cutter head are different, and the displacement control of the tool on the cutter head driven by the three-axis mechanical arm is combined, so that the multi-angle and multi-direction precise operation machining of workpieces is realized, the operation is more flexible, the machining requirements of complex workpieces can be met, and the machining efficiency is improved. And the machining capacity and the application range of the numerical control lathe are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control lathes, and particularly to a tool lifting mechanism for a cutting lathe. Background Art

[0002] Currently, numerical control lathes usually adopt a placement posture where the tool turret and the chuck are axially parallel, resulting in waste of the internal space of the lathe and affecting the mechanism layout and processing efficiency.

[0003] In addition, with the above-mentioned tool rest placement structure, the operation is not flexible enough, and it cannot meet the precise processing requirements for workpieces from multiple angles and directions, restricting the application range and processing ability of numerical control lathes. Summary of the Utility Model

[0004] The utility model aims at the technical problems existing in the prior art, and provides a tool lifting mechanism for a cutting lathe to solve the problems of the placement posture where the tool turret and the chuck are axially parallel, the operation is not flexible enough, and it cannot meet the precise processing requirements for workpieces from multiple angles and directions.

[0005] The technical solution for the utility model to solve the above technical problems is as follows: A tool lifting mechanism for a cutting lathe, comprising:

[0006] A lathe housing main body, with an inclined wall provided at the top of the lathe housing main body;

[0007] A three-axis robotic arm, which is arranged on the inclined wall of the housing. The three-axis robotic arm includes an x-axis, a y-axis, and a z-axis. Among them, the z-axis displaces along a direction perpendicular to the inclined wall, the x-axis displaces along a direction approaching the chuck on the lathe housing main body, and the y-axis displaces along a direction perpendicular to the displacement direction of the x-axis;

[0008] A turret assembly, which includes a tool turret, a driving member for driving the tool turret to rotate, and multiple tools. The driving member is arranged on the z-axis moving end of the three-axis robotic arm, the tool turret is arranged on the driving end of the driving member, and the top plane of the tool turret is arranged parallel to the inclined wall. Multiple tools are arranged circumferentially along the tool turret and around the outside of the tool turret. Among them, two groups of tool heads with different axial directions are included in the multiple tools.

[0009] The beneficial effects of the utility model are as follows:

[0010] 1) By arranging an inclined wall on the lathe housing and installing a three-axis robotic arm and a tool turret parallel to the inclined side thereon, the internal space of the lathe is effectively utilized, space waste is reduced, and the compactness of the equipment is improved.

[0011] 2) In addition, the cutting heads installed on the cutter head of this device have different axial directions, and combined with the displacement control of the cutting tools on the cutter head driven by a three-axis robotic arm, precise cutting and processing of the workpiece from multiple angles and in multiple directions are achieved. The operation is more flexible, capable of meeting the processing requirements of complex workpieces, and improving the processing ability and application range of the CNC lathe.

[0012] Based on the above technical solutions, the present utility model can be further improved as follows.

[0013] Further, the inclination angle of the inclined wall is 45°.

[0014] Further, each of the cutting tools further includes a tool holder, and the cutting head is arranged in the tool holder.

[0015] Further, the axial direction of a group of the cutting heads is parallel to the axial direction of the chuck on the main body of the lathe housing.

[0016] Further, the axial direction of the other group of the cutting heads is perpendicular to the top plane of the cutter head.

[0017] Further, the driving member is a servo motor. Description of the Drawings

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the overall structure of the present utility model from another perspective;

[0020] Figure 3 is a side view of the turret assembly of the present utility model.

[0021] In the drawings, the list of components represented by each reference numeral is as follows:

[0022] 100, main body of the lathe housing; 101, inclined wall; 200, three-axis machinery; 201, x-axis; 202, y-axis; 203, z-axis; 300, turret assembly; 310, cutter head; 320, driving member; 330, cutting tool; 331, tool holder; 332, cutting head. Detailed Embodiment

[0023] The principles and features of the present utility model will be described below with reference to the accompanying drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.

[0024] Currently, CNC lathes usually adopt a placement posture where the cutter head is parallel to the axial direction of the chuck, resulting in waste of the internal space of the lathe, affecting the mechanism layout and processing efficiency.

[0025] In addition, when adopting the above-mentioned tool rest placement structure, the operation is not flexible enough to meet the precise machining requirements for multi-angle and multi-direction of workpieces, which limits the application range and machining ability of CNC lathes. In response to this, the utility model inventor proposed a tool lifting mechanism for a cutting lathe to solve the above problems.

[0026] The present utility model provides the following preferred embodiments

[0027] As Figure 1 、 Figure 2 and Figure 3 shown, the tool 330 lifting mechanism of a cutting lathe includes:

[0028] The main body 100 of the lathe housing, and an inclined wall 101 is provided at the top of the main body 100 of the lathe housing;

[0029] The three-axis mechanical 200 arm, the three-axis mechanical 200 arm is arranged on the inclined wall 101 of the housing, and the three-axis mechanical 200 arm includes an x-axis 201, a y-axis 202, and a z-axis 203. Among them, the z-axis 203 displaces along a direction perpendicular to the inclined wall 101 (the z-axis 203 can adopt a driving method of a cylinder or an oil cylinder), the x-axis 201 displaces along a direction close to the chuck on the main body 100 of the lathe housing, and the y-axis 202 displaces along a direction perpendicular to the displacement direction of the x-axis 201 (the x-axis 201 and the y-axis 202 can adopt a driving method of a linear module);

[0030] The turret assembly 300, the turret assembly 300 includes a turret 310, a driving member 320 for driving the turret 310 to rotate, and a plurality of tools 330. The driving member 320 is arranged on the moving end of the z-axis 203 of the three-axis mechanical 200 arm, the turret 310 is arranged on the driving end of the driving member 320, and the top plane of the turret 310 is arranged parallel to the inclined wall 101. A plurality of the tools 330 are arranged along the circumferential direction of the turret 310 and surround the outside of the turret 310. Among them, two groups of tool heads 332 with different axial directions are included in the plurality of tools 330;

[0031] By providing the inclined wall 101 on the lathe housing and installing the three-axis mechanical 200 arm and the turret 310 parallel to the hypotenuse thereon, the internal space of the lathe is effectively utilized, space waste is reduced, and the compactness of the equipment is improved;

[0032] In addition, the tool heads 332 installed on the turret 310 of the present device have different axial directions, and combined with the displacement control of the tools 330 on the turret 310 driven by the three-axis mechanical 200 arm, precise tool operation and machining of workpieces from multiple angles and in multiple directions are realized, the operation is more flexible, the machining requirements of complex workpieces can be met, and the machining ability and application range of the CNC lathe are improved.

[0033] In this embodiment, as Figure 1 、Figure 2 and Figure 3 As shown, the inclination angle of the inclined wall 101 is 45°.

[0034] In this embodiment, as Figure 1 、 Figure 2 and Figure 3 shown, each cutting tool 330 further includes a tool holder 331, and the tool head 332 is disposed in the tool holder 331.

[0035] In this embodiment, as Figure 1 、 Figure 2 and Figure 3 shown, the axial direction of a set of the tool heads 332 is parallel to the axial direction of the chuck on the lathe housing main body 100 (the tool heads 332 with parallel axial directions include, but are not limited to, drill bits and reamers), and the axial direction of another set of the tool heads 332 is perpendicular to the top plane of the tool disc 310 (the tool heads 332 with axial directions perpendicular to the tool disc 310 include, but are not limited to, turning tools). By setting the axial directions of the two sets of tool heads 332 to be different, precise tool operation and machining of the workpiece from multiple angles and in multiple directions can be achieved, and the machining requirements of complex workpieces can be satisfied.

[0036] In this embodiment, as Figure 1 、 Figure 2 and Figure 3 shown, the driving member 320 is a servo motor.

[0037] The specific working process of the present utility model is as follows:

[0038] (1) Drilling

[0039] First, a cylindrical workpiece is placed and fixed in the chuck on the lathe housing main body 100. At this moment, the workpiece and the chuck are coaxial. The tool disc 310 is driven to displace by the xyz axes 203 of the three-axis robot 200. Among them, the tool head 332 on the tool disc 310 can be driven by the x-axis 201 to displace along the direction close to the workpiece for feeding, and the servo motor is used to drive the tool disc 310 to make one drill bit on the tool disc 310 parallel to the axis of the workpiece. Subsequently, through the adjustment of the y-axis 202 and the z-axis 203, the drill bit is made coaxial with the workpiece. At the same time, the x-axis 201 is used to drive the drill bit to feed along the direction close to the workpiece to achieve the drilling process of the workpiece.

[0040] (2) Cutting

[0041] The tool disc 310 is driven to rotate by the servo motor to make one turning tool on the tool disc 310 have an axial direction perpendicular to the top plane of the tool disc 310. Through the adjustment of the y-axis 202, the turning tool is then made to move along the radial direction of the workpiece. Subsequently, the z-axis 203 of the three-axis robot 200 is used to drive the turning tool to feed along the radial direction of the workpiece to achieve the turning process of the workpiece.

[0042] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. The tool lifting mechanism of the cutting lathe is characterized by: include: A lathe casing body, wherein a slanted wall is provided on the top of the lathe casing body; A three-axis mechanical arm, the three-axis mechanical arm is arranged on the inclined wall of the housing, the three-axis mechanical arm includes an x-axis, a y-axis, and a z-axis, wherein the z-axis is displaced in a direction perpendicular to the inclined wall, the x-axis is displaced in a direction close to the chuck on the main body of the lathe housing, and the y-axis is displaced in a direction perpendicular to the x-axis; A turret assembly, the turret assembly comprising a cutter disc, a driving member for driving the cutter disc to rotate, and a plurality of cutting tools, wherein the driving member is arranged on the z-axis moving end of the three-axis robot arm, the cutter disc is arranged on the driving end of the driving member, and the top plane of the cutter disc is arranged parallel to the inclined wall, and the plurality of cutting tools are arranged along the circumference of the cutter disc and around the outer side of the cutter disc, wherein the plurality of cutting tools include two groups of cutter heads with different axial directions.

2. The tool lifting mechanism of a cutting lathe according to claim 1, characterized in that: The inclined angle of the inclined wall is 45°.

3. The tool lifting mechanism of a cutting lathe according to claim 1, characterized in that: Each of the cutting tools further comprises a cutting tool seat, in which the cutting tool head is arranged.

4. The tool lifting mechanism of a cutting lathe according to claim 3, characterized in that: The axial direction of a group of the tool heads is parallel to the axial direction of the chuck on the lathe housing body.

5. The tool lifting mechanism of a cutting lathe according to claim 3, characterized in that: The axial direction of the cutter heads of another group is perpendicular to the top plane of the cutter disc.

6. The tool lifting mechanism of a cutting lathe according to claim 1, characterized in that: The driving member is configured as a servo motor.

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