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CN-122007956-A - Vertical machining center of extensible cutterhead

CN122007956ACN 122007956 ACN122007956 ACN 122007956ACN-122007956-A

Abstract

The application discloses a vertical machining center of an expandable cutter head, which comprises a machine tool body, a sliding table, a saddle, a main shaft and a tool magazine, wherein the machine tool body comprises a machining area and a tool changing area, the working table is arranged in the machining area, the sliding table is arranged on the machine tool body in a sliding mode along the Y-axis direction and reciprocates between the machining area and the tool changing area, the saddle is arranged on the sliding table in a sliding mode along the X-axis direction, the saddle is arranged on the saddle in a sliding mode along the Z-axis direction, the main shaft is arranged on the saddle, the tool changing area is provided with a tool magazine, the tool magazine comprises at least two tool drums which are coaxially arranged, and the axes of the tool drums are arranged along the Y-axis direction. According to the application, the workbench is arranged in the processing area of the lathe bed, the tool magazine is arranged in the tool changing area, and the axes of the tool drums are arranged along the Y-axis direction, so that the tool drums are vertically arranged in the tool changing area, and tool changing is realized through the reciprocating motion of the sliding table and the tool drums, therefore, compared with the situation that the space is required to be increased outside to arrange the expanded tool magazine, the tool magazine disclosed by the application fully utilizes the transverse and vertical space of the lathe bed, so that the tool magazine is more compact, and a plurality of tool drums can be arranged along the Y-axis direction.

Inventors

  • CHEN HU
  • Jing Chuansi
  • XING JINXIN
  • ZHANG LIANG
  • LIU BAIYU
  • YE ZIQI
  • YANG GUOCHENG
  • Lu Lianhu

Assignees

  • 科德数控股份有限公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (10)

  1. 1. The vertical machining center of the extensible cutterhead is characterized by comprising a lathe bed (1), a sliding table (2), a saddle (3), a ram (4), a main shaft and a workbench (5), wherein the lathe bed (1) comprises a machining area (11) and a tool changing area (12), the workbench (5) is arranged in the machining area (11), the sliding table (2) is arranged on the lathe bed (1) in a sliding mode along a horizontal Y-axis direction and can reciprocate between the machining area (11) and the tool changing area (12), the saddle (3) is arranged on the sliding table (2) in a sliding mode along a horizontal X-axis direction, the ram (4) is arranged on the saddle (3) in a sliding mode along a vertical Z-axis direction, the main shaft is arranged on the ram (4), the tool changing area (12) is provided with a tool magazine (6), the tool magazine (6) comprises at least two coaxially arranged tool drums (61), and the axis of the tool drums (61) is arranged along the Y-axis direction.
  2. 2. The vertical machining center of an expandable cutterhead according to claim 1, wherein the lathe bed (1) comprises a base (13), partition boards (14) and two vertical boards (15), the two vertical boards (15) are fixedly arranged on two sides of the base (13), the partition boards (14) are fixedly arranged in the middle of the base (13), the partition boards (14) are located between the two vertical boards (15) and fixedly connected with the vertical boards (15), and a space surrounded by the base (13) and the two vertical boards (15) is divided into a front machining area (11) and a rear tool changing area (12) by the partition boards (14).
  3. 3. The vertical machining center of the expandable cutterhead according to claim 2, wherein the lathe bed (1) further comprises a plurality of lacing wires (16) fixedly arranged on the base (13), the lacing wires (16) are located in the tool changing area (12), two ends of the lacing wires (16) are fixedly connected with two vertical wallboards (15) respectively, and the plurality of lacing wires (16) are arranged at intervals with the tool drum (61).
  4. 4. The vertical machining center of the expandable cutterhead according to claim 3, wherein the tool magazine (6) comprises a tool drum (61), a support (62), a tool drum mandrel (63) and a driving assembly, the support (62) is fixedly arranged on a lacing wire (16), the tool drum mandrel (63) is rotatably connected to the support (62) and the axis of the tool drum mandrel is arranged along the Y-axis direction, the tool drum (61) is coaxially fixedly arranged on the tool drum mandrel (63), and the driving assembly drives the tool drum mandrel (63) to rotate.
  5. 5. The vertical machining center of the expandable cutterhead of claim 4, wherein the cutterhead (61) comprises a cutterhead (611), a plurality of hilt fixing seats (612) and hilt clamping jaws (613) corresponding to the hilt fixing seats (612) one by one, the cutterhead (611) is coaxially and fixedly arranged on a hilt mandrel (63), the hilt fixing seats (612) are circumferentially and uniformly fixedly arranged on the periphery of the cutterhead (611), clamping interfaces matched with hilt (10) of a cutter are formed in the hilt fixing seats (612), when the hilt (10) is clamped into the clamping interfaces, the axes of the hilt (10) are perpendicular to the axes of the hilt mandrel (63), the hilt clamping jaws (613) are fixedly arranged on the hilt fixing seats (612), and the hilt clamping jaws (613) are used for positioning the circumferential position of the hilt (10) and limiting the hilt (10) from being separated from the clamping interfaces.
  6. 6. The vertical machining center of the expandable cutterhead according to claim 5, wherein one end of the holder fixing seat (612) is fixed on the periphery of the cutterhead (611), and the other end extends towards the partition plate (14) and is provided with a clamping interface.
  7. 7. The vertical machining center of an expandable cutterhead according to claim 6, wherein the driving assembly comprises a large gear (641), a small gear (642) meshed with the large gear (641) and a driving motor (643) for driving the small gear (642) to rotate, wherein the large gear (641) is coaxially fixedly arranged on a cutterhead (611) far away from a partition plate (14), and the driving motor (643) is located on one side, far away from the partition plate (14), of the cutterhead (611).
  8. 8. A vertical machining center of an expandable cutterhead according to any of claims 4-7, characterized in that the axis of the drum spindle (63) is located in the middle of the two-sided upright wall plate (15).
  9. 9. The vertical machining center of an expandable cutterhead according to claim 8, wherein a relief opening (141) is formed in the middle of the partition plate (14), and a spindle clamping tool passes through the relief opening (141) to reciprocate between the machining area (11) and the tool changing area (12).
  10. 10. The vertical machining center of the expandable cutterhead according to claim 9, wherein screw assemblies (71) and guide rail assemblies (72) are arranged at the tops of the vertical wallboards (15) on two sides, the sliding table (2) is located above the vertical wallboards (15), the screw assemblies (71) drive the sliding table (2) to move, and the guide rail assemblies (72) guide the sliding table (2).

Description

Vertical machining center of extensible cutterhead Technical Field The invention relates to the technical field of machine tools, in particular to a vertical machining center with an extensible cutter head. Background The vertical machining center is a machining center with a spindle axis perpendicular to the workbench, and is mainly suitable for machining complex parts such as plates, discs, dies and small shells. The method can finish the working procedures of milling, boring, drilling, tapping, cutting threads and the like. After the workpiece is clamped once, the digital control system can control the machining center to automatically select and replace the cutter according to different working procedures, automatically change the rotating speed and the feeding amount of the main shaft of the machine tool, the motion track of the cutter relative to the workpiece and other auxiliary functions, and sequentially finish the machining of multiple working procedures on several surfaces of the workpiece. The vertical machining center has various tool changing or selecting functions, so that the production efficiency is greatly improved. Compared with the corresponding horizontal machining center, the horizontal machining center is simple in structure, small in occupied area and low in price. In order to meet the requirements of diversified cutting processes of multiple types of complex parts, the tool magazine capable of accommodating multiple tools is provided to realize automatic tool changing. However, in order to control the floor space, the tool magazine of the vertical machining center is usually limited in volume, and if the actual requirements of customers are met, an extended tool magazine is often additionally provided, which leads to an increase in the overall floor space. Disclosure of Invention The invention provides a vertical machining center with an expandable cutterhead, which aims to solve the technical problems. In order to achieve the above object, the technical scheme of the present invention is as follows: The vertical machining center of the expandable cutterhead comprises a lathe bed, a sliding table, a saddle, a ram, a main shaft and a workbench, wherein the lathe bed comprises a machining area and a tool changing area, the workbench is arranged in the machining area, the sliding table is arranged on the lathe bed in a sliding mode along a horizontal Y-axis direction and can reciprocate between the machining area and the tool changing area, the saddle is arranged on the sliding table in a sliding mode along a horizontal X-axis direction, the ram is arranged on the saddle in a sliding mode along a vertical Z-axis direction, the main shaft is arranged on the ram, the tool changing area is provided with a tool magazine, the tool magazine comprises at least two tool drums which are coaxially arranged, and the axes of the tool drums are arranged along the Y-axis direction. Preferably, the lathe bed comprises a base, partition boards and two vertical boards, wherein the two vertical boards are fixedly arranged on two sides of the base, the partition boards are fixedly arranged in the middle of the base, the partition boards are positioned between the two vertical boards and are fixedly connected with the vertical boards, and a space surrounded by the base and the two vertical boards is divided into a front machining area and a rear tool changing area by the partition boards. Preferably, the lathe bed further comprises a plurality of lacing wires fixedly arranged on the base platform, the lacing wires are positioned in the tool changing area, two ends of the lacing wires are respectively and fixedly connected with two vertical wallboards, and the plurality of lacing wires are arranged at intervals with the tool drum. Preferably, the tool magazine comprises a tool drum, a support, a tool drum mandrel and a driving assembly, wherein the support is fixedly arranged on the lacing wire, the tool drum mandrel is rotatably connected to the support, the axis of the tool drum mandrel is arranged along the Y-axis direction, the tool drum is coaxially and fixedly arranged on the tool drum mandrel, and the driving assembly drives the tool drum mandrel to rotate. Preferably, the cutter drum comprises a cutter head, a plurality of cutter handle fixing seats and cutter handle clamping jaws corresponding to the cutter handle fixing seats one by one, wherein the cutter head is coaxially and fixedly arranged on a cutter drum mandrel, the plurality of cutter handle fixing seats are uniformly and circumferentially arranged on the periphery of the cutter head, cutter handle matching clamping interfaces with cutter handles of cutters are formed in the cutter handle fixing seats, when the cutter handles are clamped into the clamping interfaces, the axes of the cutter handles are perpendicular to the axes of the cutter drum mandrel, the cutter handle clamping jaws are fixedly arranged on the cutter handle fixing sea