Double-main-shaft numerical control lathe

Abstract

The invention discloses a double-main-shaft numerical control lathe. The double-main-shaft numerical control lathe comprises a body, saddles, a two-degree-of-freedom truss manipulator and main shaft boxes; left and right two symmetric saddles are arranged on the body; left and right two symmetric main shaft boxes are arranged on the body; the left saddle is corresponding to the left main shaft box in position; and the right main shaft box is corresponding to the right saddle in position. The two main shaft boxes and the two saddles are symmetrically mounted on the body; the double-main-shaft numerical control lathe is matched with a truss manipulator for independently finishing machining of machined parts without needing matched use of two lathes, so that the floor area is reduced; and in addition, the numerical control lathe adopts symmetric layout, is uniform in stress during machining, reduces the deformation, and improves the machining precision and the stability. In addition, the truss manipulator is shorter in travel during working, so that the working efficiency is higher, and the market prospect is broad.

Description

technical field [0001] The invention relates to the field of lathe machinery, in particular to a double-spindle numerical control lathe. Background technique [0002] Generally, only one headstock and one saddle are installed in the cabinet of existing CNC lathes. One lathe can only complete half of the processing of the workpiece, and often requires the cooperation of two lathes to complete the complete processing of one workpiece. In actual production, two lathes are usually arranged side by side, and the semi-finished product is processed on one machine tool first, and then the semi-finished product is grabbed by the manipulator to another lathe to process the finished product. This processing method has the following disadvantages: First, the two lathes must be placed side by side, which actually occupies a large area; secondly, the manipulator is installed separately outside the machine tool, and the manipulator moves from one lathe to the other with the workpiece. Its...

AI Technical Summary

Problems solved by technology

This processing method has the following disadvantages: First, the two lathes must be placed side by side, which actually occupies a large area; secondly, the manipulator is installed separately outside the machine tool, and the manipulator moves from one lathe to the other with the workpiece. The stroke is longer and the processing efficiency is lower

Generally, only one headstock and one saddle are installed on the bed of existing CNC lathes, which are not symmetrically arranged. The force on both sides is uneven, easy to deform, and it is very easy to generate vibration during work, which will not only affect the quality of the workpiece. accuracy, and the life of the lathe itself will also be affected

[0004] There are saddle guide rails for installing saddles on the bed. The existing saddle guide rails are all set at an angle of 45 degrees to the horizontal plane. The casting is difficult, the processing is slow, and the cost is high, and it is easy to deform during use.

In addition, the water tank and hydraulic oil tank of existing CNC lathes are usually arranged outside the bed, which not only increases the area of ​​the lathe, is inconvenient to transport, but also is not conducive to heat dissipation

[0005] In addition, the existing saddle includes a saddle slider installation surface installed on the bed and a guide rail installation surface for installing the upper slide. The saddle slider installation surface and the guide rail installation surface are parallel to each other, and the saddle slider installation surface and The installation surfaces of the guide rails are connected by an integrated rectangular support frame. In order to ensure rigidity, the consumables of this rectangular support frame are often more

In order to meet the needs of work, the installation surface of the guide rail must be set at 45° to the horizontal plane during use, which leads to the installation surface of the saddle slider also at 45°, that is, the upper surface of the bed must also be set at 45°, and this 45° The bed is more difficult to cast, and the processing cost is higher

In addition, the saddle itself with this structure is more difficult to process, and there are many consumables, and the manufacturing cost is relatively high

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