WO1997012723A1 - Maschinenbett - Google Patents
Maschinenbett Download PDFInfo
- Publication number
- WO1997012723A1 WO1997012723A1 PCT/CH1995/000225 CH9500225W WO9712723A1 WO 1997012723 A1 WO1997012723 A1 WO 1997012723A1 CH 9500225 W CH9500225 W CH 9500225W WO 9712723 A1 WO9712723 A1 WO 9712723A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- machine bed
- machine
- bed unit
- pipe
- pipe piece
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/0063—Connecting non-slidable parts of machine tools to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
Definitions
- the present invention relates to a machine bed unit constructed from welded pipe sections, which is intended for connection to at least one further machine bed unit constructed from welded pipe sections to form a multi-part machine bed.
- the invention further relates to a machine tool with a machine bed composed of at least two such machine bed units placed side by side.
- the machine tool can be a slant bed or a flat bed machine.
- Machine tools are used for a large number of different machining processes. Modern machine tools are designed in such a way that as many machining processes as possible are carried out at different work stations on one and the same machine. This fact leads to designs which have several, generally two beds arranged side by side, these machine tools being designed as inclined or flat bed machines. It is now obvious that different processing sequences are necessary for the production of different products, which require differently constructed machine tools, which among other things must also have different machine beds. This means that - so far, machine beds have been practically one-offs, including in the case when the machine tool is to be equipped with oversized turret disks.
- Another aim is to show a machine tool that has a machine bed that is composed of at least two such machine bed units.
- the machine bed unit according to the invention is characterized in that at least one elongate force transmission member is inserted in at least two pipe sections of the machine bed unit and is rigidly connected to the pipe section, each force transmission member passing through the pipe section in question transversely to its longitudinal extent and serving to transversely to the longitudinal extent of the pipe section directed compressive forces from one side of the pipe section to the opposite
- the machine tool is characterized in that it has at least two machine bed units located next to one another, the machine bed units touching in a plurality of positioning surface sections and being screwed to one another at these points by means of clamping elements.
- FIG. 1 shows a section along the line I-I of Figure 2 for the illustration of a power transmission member with tensioning element;
- Figure 2 is a view in the direction of the arrow
- FIG. 3 shows a section similar to that of Figure 1 to illustrate a connection point between two machine bed units;
- Figure 4 schematically shows a supervision of a
- Machine tool with two machine bed units of different lengths designed as a flat bed machine
- Figure 5 is a view in the direction of arrow B of Figure 4; and Figure 6 schematically shows a section through a
- Machine tool with two machine bed units designed as a slant bed machine.
- the machine bed unit is of the known design, which consists of welded pipe sections, here with a rectangular or square
- Cross-sectional shape is constructed, the interior of the pipe sections with a e.g. granular material for vibration damping are filled.
- Figure 1 shows in section a part of a vertical pipe section 1 of the machine bed unit (see e.g. also Figure 5).
- This pipe section 1 is filled in a known manner with a vibration-damping material 24.
- This material can be a granular material, in certain places also e.g. Lead.
- the vertical pipe section 1 is welded onto a horizontal pipe section 2 of the machine bed unit, which is also filled with the vibration-damping material.
- Another pipe section 5 is welded to the horizontal pipe section 2 as a cross strut, see e.g. Figure 2.
- an elongated force transmission member S is inserted and welded to the pipe section 2.
- This force transmission member 9 is designed as an elongated sleeve with a passage 10.
- a tensioning element 11, which will be described in more detail, runs through the passage 10.
- the force transmission element 9 is welded at two points with two opposite side sections 12, 13 of the horizontal pipe section 2. It can thus be seen that a portion of a compressive force acting on the side section 12 is transmitted to the side section 13 via the force transmission member 9.
- the force transmission element 9 protrudes from the side section 13 and has a machined position surface section 14 there.
- the clamping element 11 has a smooth-walled rod section 18 and it can be seen that the outside diameter of at least this rod section 18 is considerably smaller than the inside diameter of the passage 10, so that there is considerable play in the radial direction between the passage 10 and the clamping element 11 .
- the smooth-walled rod section 18 ends with an external thread 21, on which a nut 22 is screwed. At the opposite end, see FIG. 3, the rod section 18 ends in a head 25. When tightened, the nut 22 acts on the side section 12 of the pipe section 2 via a plate 19.
- the diameter of the plate 19 or at least one of the diameters, if the latter is not circular, is dimensioned such that a force flow is transmitted from the plate 19 via the side wall sections 26, 27 to the opposite side of the pipe section 2, so that the pipe section 2 cannot be compressed.
- the pipe section 2 and the plate 19 could have any cross-sectional shape.
- the diameter of the plate 19 is at least approximately the same is the length of the center line 23 connecting the two opposite outer sides to one another in order to ensure the above path of the force flow in order to avoid crushing of the pipe piece 2.
- FIG. 2 shows a view in the direction of arrow A of FIG.
- a pipe piece 5 serving as a cross strut is drawn in section, which is welded to the horizontal pipe piece 2.
- This pipe piece 5 is at a possible distance from the plate 19 and, as can be seen, runs parallel to the tensioning element 11. This means that when the tensioning element 11 acts on the machine bed unit, there is minimal bending stress on the horizontal Rohrstuckes 5 occurs.
- the horizontal pipe piece 2 is arranged on a rail piece 28 with a C-shaped cross-sectional shape (see FIG. 3).
- the pipe piece 5 serving as a cross strut is welded to both the pipe piece 2 and the rail piece 28. It can further be seen from FIG. 2 that the diameter of the circular plate 19 is equal to the width of the pipe piece 2, so that, as mentioned above, the pipe piece 2 is not pressed together by transverse forces when the tensioning element 11 is tightened.
- FIG. 2 shows a connection point between two machine bed units, which connection point is designed based on the arrangement shown in FIG. 1.
- the pipe pieces 1, 2 and 5 belong to a first machine bed unit 16, see for example also FIGS. 4 and 5, and the pipe pieces 3, 4 and 6 to a second machine bed unit 17 connected to the first 16. Also the rail piece 29 is of the second machine bed unit 17.
- another force transmission member is 30 m Pipe piece 4 welded.
- This force transmission member has a positioning surface section 15 which lies flat against the positioning surface section of the opposite force transmission member 9.
- the tensioning element 11 runs through both force transmission elements 9 and 30. At the left end in FIG. 3, the tensioning element 11 acts via the head 25 and the plate 20 on the pipe piece 4 and force transmission element 30 there, and, as already explained, acts the clamping element 11 at the right end via the nut 22 and the plate 19 onto the pipe piece 4 and the force transmission element 9.
- This described arrangement of components is now present at several locations of the machine bed units 16 and 17, so that they are connected to one another at several locations are firmly connected.
- the respective interior of the force transmission members 9 and 30 has an inside diameter that is considerably larger than the outside diameter of the tensioning element 11.
- the force transmission members 9 and 30, e.g. due to manufacturing tolerances, not exactly aligned with each other.
- FIGS. 4 and 5 now show an example of a machine tool which has a machine bed which is assembled from two machine bed units 16 and 17.
- the first thing you can see is that the two machine bed units 16 and 17 do not have the same longitudinal extent.
- Machine tools with four guideways for a plurality of spindle rods and, for example, turret heads are known, but their four guideways generally have the same length.
- Machine tools of a different design are extremely expensive productions.
- the longer machine bed unit which is identified by the reference number 16, is constructed from m known pipe pieces welded together, the vertical pipe piece 1 being shown based on the figures described above, and it can be seen that the machine bed unit has a plurality of such pieces has vertical pipe pieces. Furthermore, the force transmission element 9 protruding from the pipe piece 1 is drawn. Another vertical pipe piece of the machine bed unit 16 is designated by the reference number 7.
- a first headstock 31 with a work spindle 32 and the drive motor 33 is located on the machine bed unit 16. Furthermore, a second headstock 34 with the work spindle 35 and the drive motor 36 is mounted on the first machine bed unit 16.
- the second machine bed unit 17 is likewise of a construction constructed from welded pipe pieces, the vertical pipe pieces 3 and 8 being identified by their reference numbers. Of ⁇ en force transmission members, aas projecting from pipe piece 3 is identified by its reference number.
- the second machine bed unit carries two turret heads 37 and 38 with the turret disks 39 and 40. Because the second machine bed unit 17 is short, oversized turret disks 39 and 40 can be mounted, as shown, and these cannot be mounted on the guide tracks collide.
- each pipe section participating in the connection of the machine bed units 16 and 17 contains two force transmission links and each machine bed unit has two equipped with the force transmission links Has pipe pieces. This ensures a secure and also practically completely stiff connection, although obviously, as shown in FIG. 4, there are also six or more connection points.
- FIGS. 4 and 5 show a flat bed mattress.
- FIG. 6 shows an embodiment as a slant bed machine.
- the machine tool as such is arranged in a housing 41.
- the housing 41 has sliding doors 42 with a handle 43.
- the control box 44 with screen 45 is carried by an arm 46 from the housing 41.
- Headstock 47 is visible from the machine's sticks.
- the baton and revolver heads are mounted on slide tracks 50, 51 on guide tracks 52, 53, 54 and 55.
- the reference numerals 56 and 57 denote the cover plates arranged telescopically above the guide tracks 52, 53, 54 and 55.
- the inclined bed composed of two machine bed units, rests on a frame construction made of tubular supports, e.g. 58,59,60,61,62, which can advantageously also be filled with a vibration-damping material.
- these force transmission elements can be used not only (with the tension elements 11) to connect the machine bed units, but also to connect these machine bed units to the frame construction assembled from the tubular supports, as is the case for example FIG. 6 shows the vertical pipe piece 63 with the force transmission member 67 and the support 61.
- FIG. 6 shows two basic designs.
- the reference number 69 designates the chip conveyor of the inclined bed machine shown.
- Chip and coolant deflector plates 70, 71, 72, 73, 74, 75 are arranged under the mesh bed units, which catch away chips and spraying coolant and direct them to chip requester 69.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Machine Tool Units (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU35165/95A AU3516595A (en) | 1995-10-04 | 1995-10-04 | Machine bench |
PCT/CH1995/000225 WO1997012723A1 (de) | 1995-10-04 | 1995-10-04 | Maschinenbett |
DE19581801T DE19581801D2 (de) | 1995-10-04 | 1995-10-04 | Maschinenbett |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH1995/000225 WO1997012723A1 (de) | 1995-10-04 | 1995-10-04 | Maschinenbett |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997012723A1 true WO1997012723A1 (de) | 1997-04-10 |
Family
ID=4549977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1995/000225 WO1997012723A1 (de) | 1995-10-04 | 1995-10-04 | Maschinenbett |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3516595A (de) |
DE (1) | DE19581801D2 (de) |
WO (1) | WO1997012723A1 (de) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679295A (en) * | 1984-10-16 | 1987-07-14 | Jean Greub S.A. | Modular machine tool for series machining of parts in a bar |
EP0517003A2 (de) * | 1991-05-28 | 1992-12-09 | Robert Bosch Gmbh | Flexible Bearbeitungszelle |
-
1995
- 1995-10-04 WO PCT/CH1995/000225 patent/WO1997012723A1/de active Application Filing
- 1995-10-04 DE DE19581801T patent/DE19581801D2/de not_active Expired - Fee Related
- 1995-10-04 AU AU35165/95A patent/AU3516595A/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679295A (en) * | 1984-10-16 | 1987-07-14 | Jean Greub S.A. | Modular machine tool for series machining of parts in a bar |
EP0517003A2 (de) * | 1991-05-28 | 1992-12-09 | Robert Bosch Gmbh | Flexible Bearbeitungszelle |
Also Published As
Publication number | Publication date |
---|---|
DE19581801D2 (de) | 1999-05-12 |
AU3516595A (en) | 1997-04-28 |
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