Search

CN-121972987-A - Cradle type five-axis machining center

CN121972987ACN 121972987 ACN121972987 ACN 121972987ACN-121972987-A

Abstract

The invention relates to a cradle type five-axis machining center, which comprises a machine tool main body and a protective cover, wherein the protective cover is arranged on the machine tool main body; the machine tool main body comprises a first base, a first driving assembly, a cross beam, a second driving assembly, a mounting frame, a third driving assembly, a spindle mechanism, a fourth driving assembly and a cradle type workbench, wherein the first driving assembly is arranged on the first base, the cross beam is arranged on the first driving assembly, the second driving assembly is arranged on the cross beam, the mounting frame is arranged on the second driving assembly, the third driving assembly is arranged on the mounting frame, the spindle mechanism is arranged on the third driving assembly, the fourth driving assembly is arranged on the first base, the cradle type workbench is arranged on the fourth driving assembly, the first driving assembly, the fourth driving assembly, the tool magazine and the like are integrated on the first base, and the cross beam, the mounting frame and the spindle mechanism are compactly distributed along the three-axis direction, so that the occupied area of the machine tool is reduced, the overall structural rigidity is enhanced, and the stability during high-speed machining is improved.

Inventors

  • HE BAOLIN
  • Lu Yaolang
  • SHAO LIZHEN

Assignees

  • 江南数控机床有限公司

Dates

Publication Date
20260505
Application Date
20260313

Claims (10)

  1. 1. The cradle type five-axis machining center is characterized by comprising a machine tool main body (1), a protective cover (2) and a control unit, wherein the machine tool main body (1) is placed or installed on the ground; The machine tool main body (1) comprises a first base (11), a first driving assembly (12), a cross beam (13), a second driving assembly (14), a mounting rack (15), a third driving assembly (16), a spindle mechanism (17), a fourth driving assembly (18) and a cradle type workbench (19); The first driving assembly (12) is arranged on the first base (11), the cross beam (13) is arranged on the first driving assembly (12), and the first driving assembly (12) is used for driving the cross beam (13) and components arranged on the cross beam (13) to move leftwards or rightwards; the second driving assembly (14) is arranged on the cross beam (13), the mounting frame (15) is arranged on the second driving assembly (14), and the second driving assembly (14) is used for driving the mounting frame (15) and components arranged on the mounting frame (15) to move forwards or backwards; The third driving assembly (16) is arranged on the mounting frame (15), the spindle mechanism (17) is arranged on the third driving assembly (16), and the third driving assembly (16) is used for driving the spindle mechanism (17) to move upwards or downwards, wherein the spindle mechanism (17) comprises a spindle box (171) and a spindle (172), the spindle (172) is arranged at the lower part of the spindle box (171), and the spindle box (171) can drive the spindle (172) to rotate; The cradle type workbench is characterized in that the fourth driving assembly (18) is arranged on the first base (11), the cradle type workbench (19) is arranged on the fourth driving assembly (18), and the fourth driving assembly (18) is used for driving the cradle type workbench (19) to rotate within a certain angle range.
  2. 2. The cradle type five-axis machining center according to claim 1, wherein the cradle type workbench (19) comprises a second base (191) and a workbench (192), the front end and the rear end of the second base (191) are respectively arranged on the fourth driving assembly (18), the workbench (192) is arranged on the second base (191), and when the fourth driving assembly (18) works, the second base (191) can be driven to rotate within a certain angle range, so that the workbench (192) arranged on the second base (191) is driven to rotate within a certain angle range.
  3. 3. A cradle type five-axis machining center according to claim 1 or 2, wherein a tool magazine (3) is mounted on the first base (11), and a plurality of tools (31) are stored in the tool magazine (3).
  4. 4. A cradle type five-axis machining center according to claim 3, wherein the magazine (3) comprises a magazine main body (32), a fifth driving assembly (33) and a jig (34); The tool magazine main body (32) is mounted on the first base (11), the fifth driving assembly (33) is mounted on the tool magazine main body (32), and the clamp (34) is mounted on the fifth driving assembly (33); The clamp (34) is used for clamping the tool (31), and the fifth driving assembly (33) can drive the tool (31) clamped by the clamp (34) to rotate circularly, so that the tool to be used is rotated below the main shaft (172).
  5. 5. A five-axis machining center of the cradle type according to claim 1,2 or 4, further comprising a hydraulic station (4), the hydraulic station (4) being provided at the side of the hood (2), the hydraulic station (4) being connected to the fourth drive assembly (18).
  6. 6. The cradle type five-axis machining center according to claim 1,2 or 4, further comprising a water supply device (5), the water supply device (5) being provided at a side portion of the hood (2), the water supply device (5) comprising a water tank (51), a water pump (52) and a water pipe; the water tank (51) is arranged on one side of the protective cover (2), and the water pump (52) is arranged on the water tank (51); The water pump (52) is provided with a water inlet and a water outlet, the water inlet of the water pump (52) extends into the water tank (51), the water outlet of the water pump (52) is connected with one end of a water pipe, and the other end of the water pipe extends to the spindle mechanism (17).
  7. 7. The bassinet-type five-axis machining center according to claim 1, 2, or 4, wherein the first drive assembly (12) comprises a first rail (120), a second rail (121), a first mount (122), a second mount (123), a first motor (124), a second motor (125), a first lead screw (126), a second lead screw (127), a first nut (128), and a second nut (129); The first guide rail (120), the second guide rail (121), the first mounting seat (122) and the second mounting seat (123) are all mounted on the first base (11); a certain distance is reserved between the first guide rail (120) and the second guide rail (121), and the positions of the first guide rail (120) and the second guide rail (121) are opposite; the first mounting seat (122) is arranged on the outer side of the first guide rail (120), and the second mounting seat (123) is arranged on the outer side of the second guide rail (121); The first motor (124) and the first screw rod (126) are both arranged on the first mounting seat (122), and the output end of the first motor (124) is connected with one end of the first screw rod (126); The first nut (128) is arranged on the first screw rod (126), and the first nut (128) is connected with the cross beam (13); the second motor (125) and the second screw rod (127) are both arranged on the second mounting seat (123), and the output end of the second motor (125) is connected with one end of the second screw rod (127); the second nut (129) is arranged on the second screw rod (127), and the second nut (129) is connected with the cross beam (13); The first motor (124) and the second motor (125) synchronously rotate, and when the first motor (124) and the second motor (125) synchronously rotate, the first nut (128) and the second nut (129) can be driven to move leftwards or rightwards, so that the beam (13) and parts arranged on the beam (13) are driven to move leftwards or rightwards.
  8. 8. The bassinet-type five-axis machining center according to claim 1, 2, or 4, wherein the second drive assembly (14) comprises a third rail (141), a fourth rail (142), a third mount (143), a third motor (144), a third lead screw (145), and a third nut; The third guide rail (141), the fourth guide rail (142) and the third mounting seat (143) are all arranged on the cross beam (13), a certain distance is reserved between the third guide rail (141) and the fourth guide rail (142), the positions of the third guide rail (141) and the fourth guide rail (142) are opposite, and the third mounting seat (143) is positioned between the third guide rail (141) and the fourth guide rail (142); the third motor (144) and the third screw rod (145) are both arranged on the third mounting seat (143), and the output end of the third motor (144) is connected with one end of the third screw rod (145); The third nut is arranged on the third screw rod (145), and the third nut is connected with the mounting frame (15); When the third motor (144) rotates forwards or reversely, the third screw rod (145) can be driven to rotate forwards or reversely, so that the third nut is driven to move forwards or backwards, and the mounting frame (15) and parts mounted on the mounting frame (15) are driven to move forwards or backwards.
  9. 9. The bassinet-type five-axis machining center according to claim 1, 2, or 4, wherein the third drive assembly (16) includes a fifth rail (161), a sixth rail (162), a fourth motor (163), a fourth mount, a fourth lead screw, and a fourth nut; The fifth guide rail (161), the sixth guide rail (162) and the fourth mounting seat are all arranged on the mounting frame (15), A certain distance is reserved between the fifth guide rail (161) and the sixth guide rail (162), the positions of the fifth guide rail (161) and the sixth guide rail (162) are opposite, and the fourth mounting seat is positioned between the fifth guide rail (161) and the sixth guide rail (162); The fourth motor (163) and the fourth screw rod are both arranged on the fourth mounting seat, and the output end of the fourth motor (163) is connected with one end of the fourth screw rod; the fourth nut is arranged on the fourth screw rod and is connected with the spindle box (171); When the fourth motor (163) rotates forwards or reversely, the fourth screw rod can be driven to rotate forwards or reversely, so that the fourth nut is driven to move upwards or downwards, and the spindle (172) arranged at the lower part of the spindle box (171) is driven to move upwards or downwards.
  10. 10. The bassinet-type five-axis machining center according to claim 1, 2 or 4, wherein a sixth driving assembly is provided in the headstock (171), the sixth driving assembly including a fifth motor and a first transmission assembly, The output end of the fifth motor is connected with the input end of the first transmission assembly, and the output end of the first transmission assembly is connected with the main shaft (172).

Description

Cradle type five-axis machining center Technical Field The invention relates to the technical field of five-axis machining centers, in particular to a cradle type five-axis machining center. Background The five-axis machining center is used as core equipment for machining high-precision and high-complexity workpieces, is widely applied to the key fields of aerospace, precision dies, high-end equipment manufacturing and the like, and the machining precision, the running stability and the operation convenience of the five-axis machining center directly determine the quality and the production efficiency of a terminal product. Along with the continuous promotion of manufacturing to precision machining demand, current five machining centers expose a great deal of technical disadvantage in practical application gradually, are difficult to satisfy high-efficient, accurate processing demand. For example, a cross beam of a multifunctional five-axis machining center disclosed in CN117681058A is supported by two independent side walls, the occupied area is large, the occupied area of a double-side wall structure is large, the space utilization rate is low, the layout of driving components of each axis is dispersed, the rigidity of a machine tool is unevenly distributed, vibration is easy to generate particularly when the machine tool moves at a high speed, and the machining stability and precision are affected. For example, the beam drive of the five-axis machining center disclosed in CN120921126A adopts a single motor and single screw rod structure, and the power output is unbalanced, so that the phenomenon of deviation and shaking easily occurs when the beam moves, and the deviation of positioning precision is larger. Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide a cradle type five-axis machining center which is used for solving the problems of large occupied area and low space utilization rate of the existing five-axis machining center in the background art. In order to achieve the above object, the present invention provides a cradle type five-axis machining center, comprising: A machine tool body placed or mounted on the ground; The protective cover is covered on the machine tool main body, and the lower part of the protective cover is connected with the lower part of the machine tool main body; the machine tool main body comprises a first base, a first driving assembly, a cross beam, a second driving assembly, a mounting rack, a third driving assembly, a spindle mechanism, a fourth driving assembly and a cradle type workbench; the first driving assembly is arranged on the first base, the cross beam is arranged on the first driving assembly, and the first driving assembly is used for driving the cross beam and the components arranged on the cross beam to move leftwards or rightwards; The second driving assembly is arranged on the cross beam, the mounting frame is arranged on the second driving assembly, and the second driving assembly is used for driving the mounting frame and the components arranged on the mounting frame to move forwards or backwards; The main shaft mechanism comprises a main shaft box and a main shaft, the main shaft is arranged at the lower part of the main shaft box, and the main shaft box can drive the main shaft to rotate; the cradle type workbench is arranged on the fourth driving assembly and used for driving the cradle type workbench to rotate within a certain angle range. Through integrating first drive assembly, fourth drive assembly, tool magazine etc. on first base, crossbeam, mounting bracket, main shaft mechanism are compact overall arrangement along the triaxial direction, have reduced lathe area, have strengthened overall structure rigidity simultaneously, have improved the stability during high-speed processing, have solved the current five machining center area of prior art and have met the big, problem that space utilization is low. Preferably, the cradle type workbench comprises a second base and a workbench, wherein the front end and the rear end of the second base are respectively arranged on the fourth driving assembly, and the workbench is arranged on the second base; when the fourth driving component works, the second base can be driven to rotate within a certain angle range, so that a workbench arranged on the second base is driven to rotate within a certain angle range. Preferably, the fourth drive assembly employs an electric motor, such as a DD direct drive motor. Preferably, a tool magazine is mounted on the first base, and a plurality of tools are stored in the tool magazine. Preferably, the tool magazine comprises a tool magazine main body, a fifth driving assembly and a clamp; The tool magazine main body is arranged on the first base, the fifth driving assembly is arranged on the tool magazine main body, and the clamp is arranged on the fifth driving assembly; The clamp is used for clamping the tool, and the fifth