Machine tool

Patent metadata

Field	Value
Publication number	US-2020230756-A1
Application number	US-201916625076-A
Country	US
Kind code	A1
Filing date	Jan 30, 2019
Priority date	Jan 30, 2018
Publication date	Jul 23, 2020
Grant date	—

Abstract

A machine tool with a machine bed, on the upper side of which a machine stand is arranged, a working spindle which can be displaced in a first, second, and third direction of movement with is mounted with the spindle sleeve. The spindle sleeve includes a sleeve housing which is guided along guide rails which are arranged on the machine stand and can be moved axially in the first direction and the working spindle supporting the tool can be moved in and out of the sleeve housing in the same direction of movement.

First claim

1 . Machine tool with a machine bed ( 1 , 63 , 82 , 58 , 98 , 110 ), on the upper side of which or laterally on the machine bed ( 1 , 63 , 82 , 58 , 98 , 110 ) a machine stand ( 2 , 62 , 78 ) is arranged, on which a working spindle ( 25 ) with a spindle sleeve ( 9 , 69 , 74 , 85 , 99 ) which can be displaced in a first, second, and/or third direction of movement is mounted,
characterized in that
the spindle sleeve ( 9 , 69 , 74 , 85 , 99 ) includes a sleeve housing ( 8 , 70 , 87 , 95 , 106 ) which can be moved axially in the first direction along guide rails ( 5 , 68 a, 68 b ) mounted on the machine stand ( 2 , 62 , 78 ) and the working spindle ( 25 ) supporting the tool can be retracted and extended into the sleeve housing ( 8 , 70 , 87 , 95 , 106 ) in the same direction of movement.

2 . Machine tool according to claim 1 , characterized in that the machine stand ( 2 ) includes two stationary machine stand bodies ( 2 a, 2 b; 101 a, 101 b ) which are connected via a bridge ( 4 , 111 ), wherein the sleeve housing ( 8 ) is movably arranged on the bridge ( 4 , 111 ) horizontally to the machine bed ( 1 ) in the second direction of movement between the machine stand bodies ( 2 a, 2 b, 101 a, 101 b ) perpendicularly to the first direction of movement.

3 . Machine tool according to claim 2 , characterized in that guide rails ( 7 a, 7 b ) are mounted on the side surfaces of the two machine stand bodies ( 2 a, 2 b ), wherein vertical carriages ( 3 a, 3 b ) are guided in the guide rails ( 7 a, 7 b ) of one respective machine stand body ( 2 a, 2 b ), through which the bridge ( 4 ) supporting the working spindle ( 25 ) with spindle sleeve ( 9 ) can be displaced perpendicularly to the first and second direction of movement in the third direction.

4 . Machine tool according to claim 2 or 3 , characterized in that a connecting element is arranged above the sleeve housing ( 8 ) and parallel to the bridge ( 4 ), which connects the two machine stand bodies ( 2 a, 2 b, 101 a, 101 b ).

5 . Machine tool according to claim 1 , characterized in that the machine stand ( 62 , 78 ) is arranged horizontally and movably in the second direction perpendicular to the first direction.

6 . Machine tool according to claim 5 , characterized in that the machine stand includes a first and a second machine stand body ( 88 a, 88 b , 92 a, 92 b ) and a connecting element ( 84 , 93 ) arranged between the two machine stand bodies ( 88 a, 88 b, 92 a, 92 b ), such that the sleeve housing ( 87 , 95 ) is movably arranged on the connecting element ( 84 , 93 ) in the first direction and the sleeve housing ( 87 , 95 ) is vertically movable by means of the connecting element ( 84 , 93 ) in the third direction perpendicular to the first and second directions.

7 . Machine tool according to claim 6 , characterized in that the machine stand is arranged on the upper side of the machine bed ( 58 ).

8 . Machine tool according to claim 6 , characterized in that the machine stand is arranged laterally on the machine bed ( 98 ).

9 . Machine tool according to claim 5 , characterized in that the sleeve housing ( 70 ) can be moved vertically in the third direction perpendicular to the first and second directions by means of a vertical carriage arranged laterally on the machine stand ( 62 , 78 ).

10 . Machine tool according to claim 9 , characterized by a horizontal carriage ( 59 ) arranged between the machine bed ( 82 ) and the machine stand ( 78 ) such that the horizontal carriage ( 59 ) is arranged with the machine stand ( 78 ) horizontally and movably in the second direction perpendicular to the first direction.

11 . Machine tool according to claim 2 , characterized in that the bridge ( 111 ) is arranged at a predetermined slant angle to the machine bed ( 110 ) such that the spindle sleeve ( 105 ) is also oriented at a slant angle to the machine bed ( 110 ).

12 . Machine tool according to claim 1 - 11 , characterized in that the machine tool includes a pivoting table ( 12 ) arranged on the machine bed ( 1 ) for 5-axis machining of a workpiece by the working spindle ( 25 ) with spindle sleeve ( 9 ), the pivot axis of which is arranged perpendicularly to the sleeve axis.

13 . Machine tool for 5-axis machining of a workpiece comprising:
a machine bed ( 1 ), a machine stand ( 2 ) which is arranged on the upper side or laterally on the machine bed ( 1 );
a working spindle ( 25 ) which is mounted on the machine stand ( 2 ) in a horizontal arrangement and which is movably arranged in a first, a second, and/or a third direction of movement, characterized by
a pivoting table ( 12 ) which is arranged on the upper side of the machine bed ( 1 ) and the pivot axis of which extends perpendicularly to the longitudinal axis of the working spindle ( 25 ).

14 . Machine tool according to claim 13 , characterized in that the machine stand includes a first machine stand body which is movably arranged on or laterally on the machine bed in a direction parallel to the pivot axis of the pivoting table.

15 . Machine tool according to claim 13 or 14 , characterized in that the working spindle ( 25 ) is configured as an axially movable spindle sleeve ( 9 ).

16 . Machine tool according to claim 14 or 15 , characterized in that the machine stand ( 2 ) comprises two machine stand bodies ( 2 a, 2 b, 101 a, 101 b ) which are connected via a bridge ( 4 , 111 ), wherein the sleeve housing ( 8 , 106 ) is arranged on the bridge ( 4 , 111 ) so as to be movable horizontally and in the second direction of movement between the machine stand bodies ( 2 a, 2 b, 101 a, 101 b ) perpendicularly to the first direction.

17 . Machine tool according to claim 16 , characterized in that guide rails ( 7 a, 7 b ) are mounted on the two machine stand bodies ( 2 a, 2 b ), wherein in the guide rails ( 7 a, 7 b ) on both sides a vertical carriage ( 3 a, 3 b ) is guided on the machine stand bodies ( 2 a, 2 b ), and the bridge ( 4 ) can be moved by the vertical carriages ( 3 a, 3 b ) in the third direction of movement perpendicularly to the first and second directions.

18 . Machine tool according to one of the claims 16 to 17 of the patent, characterized in that a connecting element is arranged above the sleeve housing ( 8 ) and parallel to the bridge ( 4 ) connecting the two machine stand bodies ( 2 a, 2 b, 101 a, 101 b ).

19 . Machine tool according to one of claim 2 , 3 , 4 , 16 , 17 or 18 , characterized in that the two machine stand bodies ( 2 a, 2 b ) and the bridge ( 4 ) arranged between the machine stand bodies ( 2 a, 2 b ) are arranged relative to one another such that a thermosymmetrical structure results.

20 . Machine tool according to claim 14 , characterized in that the machine stand ( 62 , 78 ) is movably arranged perpendicularly and parallel to the pivot axis of the pivoting table ( 61 , 73 , 83 , 90 ).

21 . Machine tool according to claim 20 , characterized in that the machine stand includes a first and a second machine stand body ( 88 a, 88 b; 92 a, 92 b ) and a a connecting element arranged between the two machine stand bodies ( 88 a, 88 b ) such that the sleeve housing ( 87 , 95 ) is movably arranged on the connecting element ( 84 , 93 ) in the first direction and

Assignees

• Deckel Maho Pfronten Gmbh

Inventors

• Jung Robert
• Geissler Alfred
• Kipke Stefan

Classifications

• B23Q3/15733

  the axis of the stored tools being arranged in the rotating or circulating plane of the storage means · CPC title

• B23Q3/15722

  Rotary discs or drums · CPC title

• B23Q1/626

  followed perpendicularly by a single sliding pair · CPC title

• B23Q1/445 Primary

  using a first carriage for a smaller workspace mounted on a second carriage for a larger workspace, both carriages moving on the same axes · CPC title

• B23Q1/015

  Frames, beds, pillars · CPC title