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CN-121972711-A - Special numerical control machine tool for multi-surface composite machining of saddle guide rail of machine tool

CN121972711ACN 121972711 ACN121972711 ACN 121972711ACN-121972711-A

Abstract

The invention provides a numerical control machine tool special for multi-surface composite machining of a saddle guide rail of a machine tool, and belongs to the technical field of machine tool manufacturing. The technical scheme is that a workbench is connected onto a guide rail of a lathe bed in a sliding manner and used for bearing a workpiece to be processed, a stand column is connected onto the lathe bed, a top beam is fixed onto the top of the stand column and used for connecting two stand columns, a cross beam is connected onto the guide rail of the stand column in a sliding manner, a sliding plate is connected onto the guide rail of the cross beam in a sliding manner, a spindle box is fixed onto the sliding plate, a combined milling cutter is connected with a spindle of the spindle box, and an auxiliary supporting piece is fixed onto the sliding plate and supported on the tail of the combined milling cutter. The invention has the beneficial effects that the problems of low efficiency and unstable precision of traditional face-to-face processing are effectively solved through one-time clamping and multi-face composite processing. The machining efficiency is improved to 4.2 times of that of the traditional mode, the single-piece machining time is greatly shortened, meanwhile, the consistency of the dimensional tolerance and the form and position tolerance among the guide rail surfaces is ensured, and the production cost is reduced.

Inventors

  • ZHAO JINDONG
  • ZHANG JIE
  • LIU JINTAO
  • CHEN GUOFENG
  • YANG GANG

Assignees

  • 云南太标数控机床有限公司

Dates

Publication Date
20260505
Application Date
20260330

Claims (10)

  1. 1. The utility model provides a special digit control machine tool of lathe saddle guide rail multiaspect combined machining which characterized in that includes: a bed (10); The workbench (9) is connected to the guide rail of the lathe bed (10) in a sliding manner and is used for bearing a workpiece (18) to be processed; the upright post (6) is connected to the lathe bed (10); The top beam (3) is fixed at the top of the upright posts (6) and is used for connecting the two upright posts (6); The cross beam (5) is connected to the guide rail of the upright post (6) in a sliding manner; the sliding plate (4) is connected to the guide rail of the cross beam (5) in a sliding manner; The spindle box (2) is fixed on the sliding plate (4); The combined milling cutter (1) is connected with a main shaft of the main shaft box (2); And the auxiliary supporting piece (17) is fixed on the sliding plate (4) and is supported at the tail part of the combination milling cutter (1).
  2. 2. The numerical control machine tool special for multi-face compound machining of a saddle guide rail of a machine tool according to claim 1, characterized in that the combination milling cutter (1) comprises a plurality of cutters, and the plurality of cutters comprises a disc cutter, a corn cutter or an end milling cutter.
  3. 3. The numerical control machine tool special for multi-face compound machining of a saddle guide rail of a machine tool according to claim 2, characterized in that the combination milling cutter (1) comprises a first cutter (13), a second cutter (14), a third cutter (15) and a fourth cutter (16) which are symmetrically arranged, and the first cutter (13), the second cutter (14), the third cutter (15) and the fourth cutter (16) are sequentially arranged.
  4. 4. The numerical control machine tool special for multi-surface compound machining of saddle guide rails of machine tools according to claim 1, characterized by further comprising a clamp (11), said clamp (11) being provided on said work table (9) for fixing said workpiece (18) to be machined.
  5. 5. The numerical control machine tool special for multi-surface compound machining of saddle guide rails of machine tools according to claim 1, characterized by further comprising a pneumatic device (7), wherein the pneumatic device (7) is arranged on the upright (6).
  6. 6. The numerical control machine tool special for multi-surface compound machining of saddle guide rails of machine tools according to claim 1, characterized by further comprising a lubrication device (8), wherein the lubrication device (8) is arranged on the machine tool body (10).
  7. 7. The numerical control machine tool special for multi-face compound machining of saddle guide rails of machine tools according to claim 1, characterized by further comprising a cooling chip removing device (12), wherein the cooling chip removing device (12) is arranged below the machine tool body (10).
  8. 8. The numerical control machine tool special for multi-surface composite machining of saddle guide rails of machine tools according to claim 1 is characterized in that the workbench (9) is driven by a servo motor and a ball screw to move in the X-axis direction on the guide rail of the machine tool body (10), the cross beam (5) is driven by the servo motor and the ball screw to move in the Z-axis direction on the guide rail of the upright post (6), and the sliding plate (4) is driven by the ball screw to move in the Y-axis direction on the guide rail of the cross beam (5).
  9. 9. The numerical control machine tool special for multi-surface composite machining of saddle guide rails of machine tools according to claim 1, characterized in that the machine tool body (10), the workbench (9), the upright (6), the top beam (3) and the headstock (2) are all of an integral structure made of cast iron.
  10. 10. The numerical control machine tool special for multi-surface composite machining of the saddle guide rail of the machine tool according to claim 1 is characterized in that a spindle driving motor of the spindle box (2) is a motor with power of 37kW, and the output rotating speed is 120r/min through gear box deceleration.

Description

Special numerical control machine tool for multi-surface composite machining of saddle guide rail of machine tool Technical Field The invention belongs to the technical field of machine tool manufacturing, and particularly relates to a numerical control machine tool special for multi-surface composite machining of a saddle guide rail of a machine tool. Background In the technical field of machine tool manufacturing, a saddle is used as a core moving part of a numerical control machine tool, and the machining quality of a guide rail surface directly determines the motion precision, dynamic response characteristic and machining stability of the whole machine. Along with the continuous improvement of the requirements of modern manufacturing industry on the machining efficiency and precision, the optimization of the machining process of the saddle guide surface has become a key link for improving the overall performance of the machine tool. At present, the processing of saddle guide rail surface adopts general lathe to carry out the processing by face in the trade more, and process dispersion, clamping number of times are many, are difficult to satisfy high-efficient, high accuracy mass production demand. 1. The saddle guide surface is used as a core part for machining machine tool parts, and the machining precision and efficiency of the saddle guide surface directly influence the production efficiency of the machine tool. 2. The traditional machining mode of the saddle guide rail of the machine tool is rough machining and semi-finishing machining of each guide rail surface by a surface-by-surface method, and the method is influenced by factors such as machining allowance, the number of the guide rail surfaces, a guide rail structure and the like, and has the problems of low machining efficiency, unstable dimensional tolerance, unstable form and position tolerance and the like. In summary, the existing saddle guide rail processing mode has the problems of multiple clamping, scattered working procedures, low processing efficiency and the like due to the adoption of the face-to-face processing technology, and the position precision between the guide rail faces is difficult to control stably, so that the consistency of the dimensional tolerance and the form and position tolerance is poor, and the requirements of high-efficiency and high-precision mass production cannot be met. Disclosure of Invention In order to solve the technical problems in the prior art, the invention designs a numerical control machine tool special for multi-surface composite machining of a saddle guide rail, which is used for performing one-time tool setting and finishing rough milling and semi-finish milling on the multi-surface of the saddle guide rail. In order to achieve the above purpose, the present invention provides the following technical solutions: a special numerical control machine tool for multi-surface composite machining of a saddle guide rail of a machine tool comprises: A bed body; the workbench is connected to the guide rail of the lathe bed in a sliding manner and is used for bearing a processed workpiece; the upright post is connected to the bed body; the top beam is fixed at the top of the upright posts and is used for connecting the two upright posts; The cross beam is connected to the guide rail of the upright post in a sliding manner; The sliding plate is connected to the guide rail of the cross beam in a sliding manner; The spindle box is fixed on the sliding plate; the combined milling cutter is connected with a main shaft of the main shaft box; and the auxiliary supporting piece is fixed on the sliding plate and is supported at the tail part of the combination milling cutter. Further, the gang cutter includes a plurality of cutters including a disk cutter, a corn cutter, or an end mill. Further, the combination milling cutter comprises a first cutter, a second cutter, a third cutter and a fourth cutter which are symmetrically arranged, and the first cutter, the second cutter, the third cutter and the fourth cutter are sequentially arranged. Further, the fixture is arranged on the workbench and used for fixing the processed workpiece. Further, the device also comprises a pneumatic device, wherein the pneumatic device is arranged on the upright post. Further, the device also comprises a lubrication device, wherein the lubrication device is arranged on the lathe bed. Further, the cooling chip removing device is arranged below the lathe bed. The workbench is driven by a servo motor and a ball screw to move in the X-axis direction on the guide rail of the lathe bed, the cross beam is driven by the servo motor and the ball screw to move in the Z-axis direction on the guide rail of the upright post, and the sliding plate is driven by the ball screw to move in the Y-axis direction on the guide rail of the cross beam. Further, the lathe bed, the workbench, the upright post, the top beam and the main shaft box are all of an