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Precision guiding device in a machine for machining cylindrical parts

A guiding device, cylindrical technology, applied in the direction of metal processing machinery parts, metal processing equipment, drilling accessories, etc., can solve the problem that strict servo cannot be guaranteed.

Inactive Publication Date: 2010-07-28
ROLLOMATIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Patent document US 4,971,339 discloses the arrangement of a guiding device, which avoids the generation of interfering effects of the drive device on the component clamping device, but this known arrangement does not guarantee that the driving motor of the component and the clamping device Tight Servo Between Clamps

Method used

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  • Precision guiding device in a machine for machining cylindrical parts
  • Precision guiding device in a machine for machining cylindrical parts
  • Precision guiding device in a machine for machining cylindrical parts

Examples

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Embodiment Construction

[0019] exist figure 1 A workholding 1 of the floating spindle type can be seen above, said workholding comprising a base 2 intended to be mounted on a machine base while being precisely guided according to an axis X relative to the base. On said base 2 is rigidly fixed a motor support, generally indicated by numeral 3, and comprising in a housing 4 a numerically controlled drive motor 5 ( figure 2 ).

[0020] This drive motor 5 is used to turn an elongated cylindrical member, such as a drill bit, made of very hard material and which should be straightened or corrected by means of a grinding wheel mounted and guided on the machine base. In order to achieve the required precision, it is important that the component to be machined be held in a component holding device (not shown) that is fixed by four degrees of freedom—that is, two rotations and Two movements—guiding the component to be machined. The component thus has the position and orientation of its axis precisely deter...

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Abstract

According to the invention, the pin (6) is rotated by the motor (5) via the belt (10) and the pulley (11) that is precision-held on the fixed bushing (13). It comprises a pin arm (16) whose solid rear portion (20) rotates in the bushing (13) and is coupled by screws (18), and the centring part (19) at the inner area of the pseudo universal-joint disk (17) whose outer area is coupled to the pulley (11). A second pseudo universal-joint connection is provided between the rear portion (20) of the pin arm (16) and the front portion thereof (21), which is connected to the clamp-holding bushing (7) in which the clamping collet (8) is mounted.

Description

technical field [0001] Cylindrical tools of certain hard materials - such as small diameters, long or short - drills should meet increasingly high precision requirements. Background technique [0002] In commonly used machines there is generally a component clamping device realized by a fixed V-shaped piece to which a clamping finger is attached. These devices retire four degrees of freedom of the bar to be processed: two rotations and two movements. In order for the guidance to be precise and complete, the drive means can therefore also eliminate the remaining two degrees of freedom, namely axial movement and rotation about the member axis, which should not be eliminated but digitally controlled, To allow insertion with other movements of the machine. [0003] Patent document US 4,971,339 discloses the arrangement of a guiding device, which avoids the generation of interfering effects of the drive device on the component clamping device, but this known arrangement does no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/36B24B3/24B24B41/06
CPCB24B3/247B24B41/066B24B41/061Y10T82/2508
Inventor P-L·皮盖P·帕胡德
Owner ROLLOMATIC