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CN-117549117-B - Tool magazine structure of double-spindle high-speed high-efficiency vertical machining center

CN117549117BCN 117549117 BCN117549117 BCN 117549117BCN-117549117-B

Abstract

The application discloses a double-spindle high-speed high-efficiency vertical machining center tool magazine structure, which relates to the technical field of machining centers and comprises a machine base and a shared tool magazine fixedly arranged on the machine base, wherein a plurality of tool holders are arranged in the shared tool magazine in a sliding manner along the circumferential direction of the tool magazine, a transmission assembly for driving the tool holders to slide is arranged in the tool magazine, a magnetic attraction piece for fixing tools is arranged on each tool holder, a knife outlet is arranged on the tool magazine, two tool holders are arranged on the machine base in a sliding manner, the tool holders correspond to spindles one by one, a first driving piece for driving the tool holders to slide is respectively arranged on the machine base, and a tool changing mechanism is arranged on the tool holders. The application has the effect of improving the tool changing efficiency of the double-spindle machining center.

Inventors

  • WU XINGFEI
  • LV GUIFANG
  • Deng Juehua
  • DENG GUANGYA
  • Wu Daohan

Assignees

  • 北京博鲁斯潘精密机床有限公司

Dates

Publication Date
20260505
Application Date
20231123

Claims (6)

  1. 1. The utility model provides a high-speed high-efficient vertical machining center tool magazine structure of two main shafts, its characterized in that includes frame (1) and the sharing tool magazine (2) of fixed setting on frame (1), the sharing tool magazine (2) is interior to be provided with a plurality of tool holders (4) along sharing tool magazine (2) circumference slip, be provided with in sharing tool magazine (2) and be used for driving each tool holder (4) gliding drive assembly, every tool holder (4) all be provided with on the piece (422) of inhaling that is used for fixed cutter, be provided with on sharing tool magazine (2) and go out edge (21); Two spare tool holders (3) are slidably arranged on the machine base (1), the spare tool holders (3) are in one-to-one correspondence with the main shafts, first driving pieces (11) for driving the spare tool holders (3) to slide are respectively arranged on the machine base (1), and a tool changing mechanism is arranged on the spare tool holders (3); The storage rack (4) is fixedly provided with a storage box (41), the storage box (41) is rotationally provided with a storage rack (42), the storage rack (4) is provided with a second driving source (43) for driving the storage rack (42) to rotate, the storage rack (42) is fixedly provided with a sleeve (421), and the magnetic attraction piece (422) is used for fixing a cutter in the sleeve (421); The tool changing mechanism comprises a tool changing frame (31) rotatably arranged on a spare tool frame (3) and a tool taking frame (32) slidably arranged on the tool changing frame (31), wherein the tool taking frames (32) are at least two and are respectively arranged on two sides of the tool changing frame (31), a third driving source (33) for driving the tool changing frame (31) to rotate is arranged on the spare tool frame (3), a second driving piece (34) for driving each tool taking frame (32) to slide is respectively arranged on the tool changing frame (31), and a clamping mechanism for clamping a tool is arranged on the tool taking frame (32); The clamping mechanism comprises a first clamping sleeve (321), a second clamping sleeve (322) and a driving assembly, wherein the first clamping sleeve (321) and the second clamping sleeve (322) are both hinged on the tool taking frame (32), a clamping interval for clamping a tool is formed between the first clamping sleeve (321) and the second clamping sleeve (322), and the driving assembly is used for driving the first clamping sleeve (321) and the second clamping sleeve (322) to deflect along the direction of approaching or separating from each other; The driving assembly comprises a third elastic piece (323), a sliding sleeve (324) and a third driving piece (325), wherein the third elastic piece (323) is used for driving the first clamping sleeve (321) and the second clamping sleeve (322) to deflect along the mutual away direction, the sliding sleeve (324) is arranged on the first clamping sleeve (321) and the second clamping sleeve (322) in a sliding sleeved mode, and the third driving piece (325) is used for driving the sliding sleeve (324) to slide.
  2. 2. The dual spindle high speed and high efficiency vertical machining center tool magazine structure according to claim 1, wherein the transmission assembly comprises a first toothed disc (22), a second toothed disc (23), a chain belt plate (24) and a first driving source (25), the first toothed disc (22) and the second toothed disc (23) are all rotatably arranged in the shared tool magazine (2), the chain belt plate (24) is wound on the first toothed disc (22) and the second toothed disc (23) and meshed with the first toothed disc (22) and the second toothed disc (23) respectively, and the first driving source (25) is used for driving the first toothed disc (22) to rotate, and each tool storage frame (4) is fixedly connected with the chain belt plate (24).
  3. 3. The dual-spindle high-speed and high-efficiency vertical machining center tool magazine structure of claim 1, wherein an overhaul hole (411) is formed in the side wall of the storage box (41), a cover plate (412) is hinged to the overhaul hole (411), and a limiting component used for preventing the cover plate (412) from rotating is arranged on the storage box (41).
  4. 4. The high-speed high-efficient vertical machining center tool magazine structure of two main shafts of claim 3, wherein the limiting component comprises a locking block (413), a shifting block (414) and a first elastic piece (415), a mounting groove is formed in the side wall of the access hole (411), the locking block (413) is slidably arranged in the mounting groove, a long groove communicated with the mounting groove is formed in the side wall of the storage box (41) along the sliding direction of the locking block (413), the shifting block (414) is slidably arranged in the long groove and fixedly connected with the locking block (413), the first elastic piece (415) is used for driving the locking block (413) to slide towards a direction close to the cover plate (412), and a locking groove (4121) for the locking block (413) to be inserted into is formed in the cover plate (412).
  5. 5. The high-speed and high-efficiency vertical machining center tool magazine structure with double spindles of claim 4 is characterized in that one end of the locking block (413) close to the cover plate (412) is provided with a guide inclined plane, and the cover plate (412) is used for abutting against the guide inclined plane and driving the locking block (413) to slide in a direction away from the cover plate (412).
  6. 6. The tool magazine structure of the dual spindle high speed and high efficiency vertical machining center of claim 4, wherein the accommodating box (41) is provided with a second elastic member (416) for driving the cover plate (412) to turn over in a direction away from the accommodating box (41).

Description

Tool magazine structure of double-spindle high-speed high-efficiency vertical machining center Technical Field The application relates to the technical field of machining centers, in particular to a tool magazine structure of a double-spindle high-speed and high-efficiency vertical machining center. Background With the development and the happiness of the national equipment manufacturing industry, a numerical control machine tool is taken as a main stream product of the machine tool industry, and becomes a key device for realizing the modernization of the equipment manufacturing industry. In addition, along with the compaction of land resources, the cost of the processing field is higher and higher, so that the equipment is expected to be more compact and miniaturized, the volume rate of a workshop is improved, and the management cost is reduced. In recent years, a plurality of double-spindle vertical machining centers are commercially available, all of which adopt the parallel double-spindle structure of the traditional vertical machining center, and can finish simultaneous machining of two parts by one-time clamping, so that the machining efficiency of the parts is greatly improved. The tool magazine is an important part of a double-spindle machining center, the double-spindle machining center is usually provided with the tool magazine and a special manipulator for changing tools for two spindles, however, when changing tools, the manipulator of the tool magazine can only grasp one tool at a time, the tool used on the spindle is clamped out and put on the tool sleeve of the tool magazine, then the unused tool in the tool sleeve is clamped out and finally mounted on the spindle, and if a plurality of workpieces are machined simultaneously, the manipulator can reciprocate for many times to complete tool changing for the two spindles, so that the tool changing speed is low, and the working efficiency is seriously affected. Disclosure of Invention In order to improve the tool changing efficiency of the double-spindle machining center, the application provides a tool magazine structure of the double-spindle high-speed and high-efficiency vertical machining center. The application provides a tool magazine structure of a double-spindle high-speed high-efficiency vertical machining center, which adopts the following technical scheme: The utility model provides a high-speed high-efficient vertical machining center tool magazine structure of two main shafts, includes frame and the fixed shared tool magazine that sets up on the frame, the shared tool magazine is interior to be provided with a plurality of tool holders of depositing along the circumference slip of shared tool magazine, be provided with in the shared tool magazine and be used for driving each tool holder gliding drive assembly, every be provided with the magnetism piece of inhaling that is used for fixed cutter on depositing the tool holder, be provided with out the edge on the shared tool magazine, slide on the frame and be provided with two tool holders, tool holder and main shaft one-to-one, be provided with respectively on the frame and be used for driving each tool holder gliding first driving piece, tool changing mechanism has on the tool holder. Optionally, the transmission subassembly includes first fluted disc, second fluted disc, chain band plate and first actuating source, first fluted disc and second fluted disc all rotate and set up in sharing tool magazine, the chain band plate winds and establishes on first fluted disc and second fluted disc, and meshes with first fluted disc and second fluted disc respectively, first actuating source is used for driving first fluted disc and rotates, each deposit the knife rest all with chain band plate fixed connection. Optionally, deposit the fixed receiver that is provided with on the knife rest, the receiver rotation is provided with the storage frame, deposit and be provided with on the knife rest and be used for driving storage frame pivoted second drive source, it is provided with the sleeve to accomodate on the frame fixedly, the magnetism is inhaled the piece and is used for fixing the cutter in the sleeve. Optionally, the access hole has been seted up to the lateral wall of receiver, access hole department articulates there is the apron, be provided with on the receiver and be used for preventing apron pivoted spacing subassembly. Optionally, spacing subassembly includes latch segment, shifting block and first elastic component, the mounting groove has been seted up to the lateral wall of access hole, the latch segment slides and sets up in the mounting groove, the lateral wall of receiver sets up the rectangular groove with the mounting groove intercommunication along the slip direction of latch segment, the shifting block slides and sets up in rectangular inslot and with latch segment fixed connection, first elastic component is used for driving the latch segment to slide to being close to