A turning-milling-grinding combined machining center

Abstract

The utility model provides a kind of turning-milling-grinding compound machining center, belong to machining technical field, and bed is provided with along Y axis direction and makes to and fro motion's slide saddle and stand column, C axis rotary table is provided on the slide saddle along X axis direction and makes to and fro motion;Z axis slide table is provided on the stand column along Z axis direction and makes to and fro motion, tool spindle is provided on the Z axis slide table and clamps tool;Turning-milling-grinding boring and drill and other multiple machining clamps can be installed on machining clamp, different processing modes are used according to machining clamp and need, realize quick switching;Concentrate rough machining, semi-finishing, finishing and superfinishing and other machining procedures;Machining clamp can be self-conditioned.

Description

Technical Field

[0001] This utility model relates to the technical field of machining, and more specifically, to a turning, milling, and grinding composite machining center. Background Technology

[0002] Traditional metal or non-metal machining centers, firstly, require machining plants to have equipment for turning, milling, drilling, and grinding simultaneously, especially for complex workpieces that integrate turning, milling, drilling, and grinding, depending on the product's processing technology. This results in a large demand for diverse equipment and increased costs. Secondly, the process involves secondary or multiple clamping, which is a major factor affecting machining errors and workpiece surface quality, and also leads to low production efficiency. Thirdly, traditional machining equipment processes only a single type of product, resulting in low equipment utilization.

[0003] Therefore, there is an urgent need for a composite machining center that can complete multiple processing steps in one go, thereby improving efficiency and processing accuracy. Utility Model Content

[0004] In view of this, the present invention combines a C-axis turntable that reciprocates in the X-axis direction, a slide saddle that reciprocates in the Y-axis direction, a Z-axis slide that reciprocates in the Z-axis direction, and a C-axis rotary table to form a three-axis or multi-axis CNC linkage motion in the X-axis, Y-axis, Z-axis and C-axis directions.

[0005] The technical solution of this utility model is implemented as follows: a turning, milling and grinding composite machining center includes a bed, on which a saddle and a column are provided for reciprocating motion along the Y-axis direction, and a C-axis rotary table is provided on the saddle for reciprocating motion along the X-axis direction; a Z-axis slide is provided on the column for reciprocating motion along the Z-axis direction, and a tool spindle for clamping tools is provided on the Z-axis slide.

[0006] Based on the above technical solutions, preferably, the column is provided with a Y-axis driver that drives the slide saddle to reciprocate; the slide saddle is provided with an X-axis driver that drives the C-axis turntable to reciprocate; and the column is provided with a Z-axis driver that drives the Z-axis slide table to reciprocate.

[0007] Based on the above technical solutions, preferably, the tool spindle is equipped with a motor, an angle encoder and a brake. The motor drives the tool spindle to rotate, and the angle encoder works with the brake to perform angle positioning.

[0008] Based on the above technical solutions, preferably, the column is also provided with a tool shaft box, and the tool shaft box is provided with a number of tools.

[0009] Based on the above technical solutions, preferably, the machining tools include lathe tools, milling cutters, grinding wheels, drill bits, boring tools, milling cutters, and dressers.

[0010] Based on the above technical solutions, preferably, the milling cutter includes a finger milling cutter, a face milling cutter, or a ball milling cutter.

[0011] Based on the above technical solutions, preferably, the grinding wheel includes a cup-shaped grinding wheel, a disc-shaped grinding wheel, or a spherical grinding wheel.

[0012] Based on the above technical solutions, preferably, the axis of the C-axis is parallel to the Z-axis; the X-axis, Y-axis and Z-axis form a rectangular coordinate system, and the X-axis, Y-axis and C-axis or the Y-axis, Z-axis and C-axis form a cylindrical coordinate system.

[0013] This utility model provides a combined turning, milling, and grinding machining center, which has the following advantages over existing technologies: This invention utilizes a C-axis rotary table with reciprocating motion along the X-axis, a slide saddle with reciprocating motion along the Y-axis, and a Z-axis slide table with reciprocating motion along the Z-axis, combined with a C-axis rotary table, to achieve three-axis or multi-axis CNC linkage motion in the X, Y, Z, and C axes. Machining fixtures are mounted on the tool axes, and these fixtures can accommodate various machining tools such as turning, milling, grinding, boring, and drilling. Different machining modes can be used depending on the fixtures and requirements, enabling rapid switching. It integrates roughing, semi-finishing, finishing, and ultra-finishing processes. The machining fixtures are self-adjusting. The workpiece can be clamped on the C-axis rotary table in a single setup, achieving multi-process machining on five sides (excluding the bottom). Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a perspective view of a turning, milling, and grinding composite machining center according to the present invention; Figure 2 This utility model Figure 1 A partial structural diagram; Figure 3 This is a schematic diagram of the machining process of a turning, milling, and grinding composite machining center according to this utility model. Detailed Implementation

[0016] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0017] like Figure 1-3 As shown, a milling and turning machining center includes a bed 1, a slide 2 that reciprocates along the Y-axis, and a column 9 mounted on the bed 1. A C-axis rotary table 3 that reciprocates along the X-axis is mounted on the slide 2. A Z-axis slide 7 that reciprocates along the Z-axis is mounted on the column 9. A tool spindle 5 that clamps tools is mounted on the Z-axis slide 7. This invention utilizes a C-axis rotary table 3 (reciprocating along the X-axis), a slide saddle 2 (reciprocating along the Y-axis), and a Z-axis slide 7 (reciprocating along the Z-axis) in combination with a C-axis rotary table to achieve three-axis or multi-axis CNC linkage motion in the X, Y, Z, and C axes. A machining fixture 4 is mounted on the tool axis 5, which can accommodate various machining tools such as turning, milling, grinding, boring, and drilling. Different machining modes can be used depending on the machining fixture 4 and requirements, enabling rapid switching. It integrates roughing, semi-finishing, finishing, and ultra-finishing processes. The machining fixture is self-adjusting. The workpiece can be clamped on the C-axis rotary table 3 in a single setup, achieving multi-process machining on five sides (excluding the bottom).

[0018] The C-axis is parallel to the Z-axis; the X, Y, and Z axes form a rectangular coordinate system, and the X, Y, and C axes, or the Y, Z, and C axes, form a cylindrical coordinate system. The X and Y axes are parallel to the ground and form a cross motion in the XY plane; the axis of the tool spindle 5 is perpendicular to the Z and X axes and parallel to the Y axis.

[0019] The column 9 is equipped with a Y-axis driver 10 that drives the slide saddle 2 to reciprocate; the slide saddle 2 is equipped with an X-axis driver 11 that drives the C-axis turntable 3 to reciprocate; and the column 9 is equipped with a Z-axis driver 6 that drives the Z-axis slide 7 to reciprocate.

[0020] The tool spindle 5 is equipped with a motor 51, an angle encoder 52, and a brake 53. The motor drives the tool spindle 5 to rotate, and the angle encoder 52 works with the brake 53 to perform angle positioning. The tool spindle 5 can switch between turning and milling modes through the angle encoder 52 and the brake 53. It can rotate at high speed as a tool spindle or be used for angle positioning with the brake 53. The tool spindle 5 can be equipped with turning tools, milling cutters, or grinding wheels through a tool changing mechanism. The C-axis rotary table 3 is fixed on a cross slide, and the axis of the C-axis is parallel to the Z-axis. X, Y, and Z form a rectangular coordinate system, and the X-axis, Z-axis, and C-axis or Y-axis, Z-axis, and C-axis form a cylindrical coordinate system. The C-axis rotary table 3 has two operating modes: spindle and positioning axis. In spindle mode, it can be continuously variable through the CNC system. In positioning axis mode, it can participate in interpolation motion as a CNC axis.

[0021] The spherical dresser is clamped on the C-axis rotary table 3, and the spherical grinding wheel is replaced onto the tool spindle 5. Three-axis interpolation allows for precise dressing of the spherical grinding wheel. A tool spindle housing 8 is also provided on the column 9, and several tools are housed within the tool spindle housing 8. The machining fixture 4 includes a lathe tool, a milling cutter, a grinding wheel, a drill bit, a boring bar, a milling cutter, and a dresser.

[0022] The milling cutter includes a finger milling cutter, a face milling cutter, or a ball milling cutter, which can perform planar milling, cavity milling, or curved surface milling. When machining curved surfaces with a ball milling cutter, it can be machined by scanning in the X, Y, and Z axes of a rectangular coordinate system, or by using a helical trajectory in a cylindrical coordinate system formed by the X, Z, and C axes or the Y, Z, and C axes.

[0023] The grinding wheel includes a cup-shaped grinding wheel, a disc-shaped grinding wheel, or a spherical grinding wheel. When the tool spindle 5 is in spindle mode, the cup-shaped grinding wheel can perform grinding of spherical or outer cylindrical surfaces; the disc-shaped grinding wheel can perform end face grinding in the X-axis and Z-axis or Y-axis or Z-axis planes; when the tool spindle 5 is in positioning axis mode, a spherical grinding wheel mounted on the tool spindle 5 can perform curved surface line scanning grinding or helical scanning grinding.

[0024] By installing a ball dresser on the tool spindle 5, moving the C-axis to a position where it intersects with the axis of the tool spindle 5, rotating the C-axis turntable 3 and the tool spindle 5, and continuously feeding in the Z-axis direction, in-situ precise dressing of the ball tool can be achieved.

[0025] A cup-shaped dresser is installed on the C-axis rotary table 3. The C-axis axis is moved to the position where it intersects with the axis of the tool spindle 5. The C-axis rotary table 3 and the tool spindle 5 are rotated and fed in the Z-axis direction, and reciprocated in the Y-axis direction, so that the disc tool can be precisely dressed in place.

[0026] Taking a turning tool as an example, after tool change, the tool spindle 5 is fixed at a certain angle position by the brake 53, and the C-axis rotary table 3 runs in spindle mode to realize various machining processes of the vertical lathe.

[0027] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A turning-milling-grinding composite machining center, comprising a bed (1), characterized in that: The bed (1) is provided with a saddle (2) and a column (9) that move back and forth along the Y-axis. The saddle (2) is provided with a C-axis rotary table (3) that moves back and forth along the X-axis. The column (9) is provided with a Z-axis slide (7) that moves back and forth along the Z-axis. The Z-axis slide (7) is provided with a tool spindle (5) for clamping tools.

2. The turning-milling-grinding composite machining center as described in claim 1, characterized in that: The column (9) is equipped with a Y-axis driver (10) that drives the slide saddle (2) to reciprocate; the slide saddle (2) is equipped with an X-axis driver (11) that drives the C-axis turntable (3) to reciprocate; and the column (9) is equipped with a Z-axis driver (6) that drives the Z-axis slide (7) to reciprocate.

3. The turning-milling-grinding composite machining center as described in claim 1, characterized in that: The tool spindle (5) is equipped with a motor, an angle encoder (52) and a brake (53). The motor drives the tool spindle (5) to rotate, and the angle encoder (52) works with the brake (53) to perform angle positioning.

4. The turning-milling-grinding composite machining center as described in claim 3, characterized in that: The column (9) is also provided with a tool shaft box (8), and a number of tools are provided inside the tool shaft box (8).

5. A turning-milling-grinding composite machining center as described in claim 3, characterized in that: It also includes a machining fixture (4), which includes a lathe tool, a milling cutter, a grinding wheel, a drill bit, a boring tool, a milling cutter and a dresser.

6. A turning-milling-grinding composite machining center as described in claim 5, characterized in that: The milling cutter includes a finger milling cutter, a face milling cutter, or a ball milling cutter.

7. A turning-milling-grinding composite machining center as described in claim 5, characterized in that: The grinding wheel includes a cup-shaped grinding wheel, a disc-shaped grinding wheel, or a spherical grinding wheel.

8. A turning-milling-grinding composite machining center as described in claim 2, characterized in that: The C-axis is parallel to the Z-axis; the X-axis, Y-axis, and Z-axis form a rectangular coordinate system, and the X-axis, Y-axis, and C-axis or the Y-axis, Z-axis, and C-axis form a cylindrical coordinate system.

Images