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CN-224222766-U - Machine tool machining system

CN224222766UCN 224222766 UCN224222766 UCN 224222766UCN-224222766-U

Abstract

The utility model relates to the technical field of machine tools, and particularly discloses a machine tool machining system. The machine tool processing system comprises a machine tool body, a cutter, a supporting mechanism and a workpiece driving mechanism. The machine tool comprises a machine tool body, a cutter, a supporting mechanism, a workpiece driving mechanism, a driving mechanism chuck and a shaft moving assembly, wherein the machine tool body is provided with a main shaft chuck, the cutter is arranged on the machine tool body and used for machining a workpiece, the supporting mechanism comprises a supporting part used for supporting the workpiece and a lifting assembly used for driving the supporting part to lift, the workpiece driving mechanism comprises the driving mechanism chuck and the shaft moving assembly, the shaft moving assembly can drive the driving mechanism chuck to axially move to be close to and/or far from the main shaft chuck, and the driving mechanism chuck is used for clamping the workpiece and driving the workpiece to axially move relative to the cutter. According to the machine tool machining system, when the ultra-long piece is machined, multiple times of clamping are not needed, midway turning around and segmentation splicing machining are not needed, machining can be completed through one-time clamping, and the machining efficiency of the ultra-long piece can be effectively improved. Meanwhile, the deflection deformation of the workpiece can be prevented, and the stable processing of the whole workpiece is realized.

Inventors

  • HU HAIJUN
  • YANG LIBIN
  • LI XIUYAN
  • LU KE

Assignees

  • 重庆纳米金属研究院
  • 重庆新纳金甲科技有限公司
  • 辽宁材料实验室

Dates

Publication Date
20260512
Application Date
20250612

Claims (10)

  1. 1. A machine tool machining system, comprising: a machine tool body (1) provided with a spindle chuck (11); the cutter (2) is arranged on the machine tool body (1) and is used for processing a workpiece; The supporting mechanism (3) comprises a supporting component (31) for supporting the workpiece and a lifting assembly (32) for driving the supporting component (31) to lift; The workpiece driving mechanism (4) comprises a driving mechanism chuck (41) and a shaft moving assembly (42), wherein the shaft moving assembly (42) can drive the driving mechanism chuck (41) to move axially to be close to and/or far away from the main shaft chuck (11), and the driving mechanism chuck (41) is used for clamping the workpiece and driving the workpiece to move axially relative to the cutter (2).
  2. 2. Machine tool machining system according to claim 1, characterized in that the workpiece drive mechanism (4) comprises: A chuck bracket (43) arranged at the output end of the axial movement assembly (42); a spindle base (44) rotatably provided on the chuck holder (43), the drive mechanism chuck (41) being coaxially provided on the spindle base (44); And the rotary driving device (45) is used for driving the spindle seat (44) to rotate.
  3. 3. Machine tool machining system according to claim 2, characterized in that the workpiece drive mechanism (4) comprises an auxiliary support assembly (46) provided at the bottom of the chuck support (43), the auxiliary support assembly (46) being adapted to abut against the machine tool body (1) and to move axially along the machine tool body (1).
  4. 4. A machine tool machining system according to claim 3, wherein the auxiliary support assembly (46) comprises: An abutting piece (461) for rolling contact with the machine tool body (1); An elastic member (462) provided on the chuck holder (43); the first connecting piece (463) is arranged on the abutting piece (461) and connected with the elastic piece (462) and is used for adjusting the height of the abutting piece (461) so as to abut against the machine tool body (1).
  5. 5. The machine tool machining system of any one of claims 1-4, wherein the lift assembly (32) includes: the device comprises a mounting frame (321), wherein the mounting frame (321) is provided with a threaded hole (3211); the second connecting piece (322) is arranged in the threaded hole (3211) in a penetrating mode and is in threaded fit with the threaded hole (3211), and the second connecting piece (322) can be lifted relative to the mounting frame (321) when rotated; And a movable plate (323) provided at the tip of the second connector (322), wherein the support member (31) is provided on the movable plate (323).
  6. 6. The machine tool machining system according to claim 5, wherein the mounting frame (321) is provided with a guide hole (324), the lifting assembly (32) further comprises a guide rod (325) penetrating through the guide hole (324), and the top end of the guide rod (325) is arranged on the moving plate (323).
  7. 7. Machine tool machining system according to claim 5, characterized in that the support member (31) comprises an adjustment clamp for holding the workpiece and capable of adjusting the clamping force applied to the workpiece.
  8. 8. A machine tool machining system according to any one of claims 1-4, characterized in that the tool (2) is movably arranged in the machine tool body (1) in the axial direction, and that the machine tool body (1) is capable of driving the tool (2) to move axially.
  9. 9. The machine tool processing system according to any one of claims 1 to 4, further comprising: The clamping mechanism (5) is used for clamping the workpiece, and the clamping mechanism (5) is arranged on the machine tool body (1) and can synchronously and axially move along with the cutter (2); And/or the number of the groups of groups, The auxiliary mechanism (6) is arranged on the machine tool body (1), the auxiliary mechanism (6) and the cutter (2) are used for acting on the workpiece from two opposite sides of the workpiece, and the auxiliary mechanism (6) can provide balance force for the workpiece.
  10. 10. The machine tool processing system according to any one of claims 1 to 4, further comprising: A feeding mechanism (7) which is arranged at one end of the machine tool body (1) far away from the workpiece driving mechanism (4) and is used for feeding the workpiece into the machine tool body (1); And/or the number of the groups of groups, And the inspection platform (8) is arranged at one end of the workpiece driving mechanism (4) far away from the machine tool body (1) and is used for inspecting the workpiece machined by the cutter (2).

Description

Machine tool machining system Technical Field The utility model relates to the technical field of machine tools, in particular to a machine tool machining system. Background In the existing automatic numerical control operation, machine tool machining is a common machining mode, and a workpiece is placed in a machine tool, clamped and fixed, and then machined and surface treated. The shaft parts are widely applied to various mechanical equipment and mainly play roles in supporting and driving. Because the parts are often core parts in mechanical equipment and operate in high-temperature and high-speed environments, the requirements on various technical conditions of the parts are very high so as to ensure that assembled workpieces meet the rotation precision. In the field of machine manufacturing, the processing requirement for ultra-long workpieces (such as the ratio of the workpiece length L to the workpiece outer diameter d, namely, the slender shaft with the length-diameter ratio L/d being more than or equal to 25, a large guide rail and the like) is increasing, but the traditional machine tool technology and the traditional process method are difficult to realize for processing the ultra-long workpieces, and the problems of bending deformation, large workpiece deflection deformation, uneven stress in the processing process, limited processing length and the like can occur in the processing process, so that satisfactory surface roughness, geometric precision and hardness are difficult to obtain. In summary, how to effectively solve the problems that the traditional machine tool is difficult to meet the processing length and processing precision of the ultra-long workpiece is a problem that needs to be solved by the current technicians in the field. Disclosure of utility model In view of the above, the present utility model aims to provide a machine tool machining system, which can effectively solve the problems that the conventional machine tool is difficult to meet the machining length and machining accuracy of an ultra-long workpiece. In order to achieve the above purpose, the present utility model provides the following technical solutions: A machine tool machining system comprising: a machine tool body provided with a spindle chuck; The cutter is arranged on the machine tool body and is used for processing the workpiece; The supporting mechanism comprises a supporting component for supporting the workpiece and a lifting assembly for driving the supporting component to lift; The workpiece driving mechanism comprises a driving mechanism chuck and a shaft moving assembly, the shaft moving assembly can drive the driving mechanism chuck to move axially to be close to and/or far away from the spindle chuck, and the driving mechanism chuck is used for clamping the workpiece and driving the workpiece to move axially relative to the cutter. Optionally, in the machine tool machining system, the workpiece driving mechanism includes: The chuck bracket is arranged at the output end of the shaft moving assembly; The spindle seat is rotatably arranged on the chuck bracket, and the driving mechanism chuck is coaxially arranged on the spindle seat; And the rotary driving device is used for driving the spindle seat to rotate. Optionally, in the above machine tool machining system, the workpiece driving mechanism includes an auxiliary supporting component disposed at the bottom of the chuck support, and the auxiliary supporting component is used for abutting against the machine tool body and moving axially along the machine tool body. Optionally, in the machine tool machining system, the auxiliary supporting assembly includes: the abutting piece is used for abutting against the machine tool body; The elastic piece is arranged on the chuck bracket; The first connecting piece is arranged on the abutting piece and connected with the elastic piece and is used for adjusting the height of the abutting piece to abut against the machine tool body. Optionally, in the machine tool processing system, the lifting assembly includes: the mounting frame is provided with a threaded hole; The second connecting piece is arranged in the threaded hole in a penetrating way and is in threaded fit with the threaded hole, and the second connecting piece can lift relative to the mounting frame when rotating; And the movable plate is arranged at the top end of the second connecting piece, and the supporting part is arranged on the movable plate. Optionally, in the above machine tool processing system, the mounting frame is provided with a guide hole, the lifting assembly further comprises a guide rod penetrating through the guide hole, and the top end of the guide rod is arranged on the moving plate. Optionally, in the machine tool machining system, the support member includes an adjustment clamp for holding the workpiece and capable of adjusting a clamping force applied to the workpiece. Optionally, in the machine tool processing system, the