US20090245961A1 - Machining apparatus - Google Patents
Machining apparatus Download PDFInfo
- Publication number
- US20090245961A1 US20090245961A1 US12/060,460 US6046008A US2009245961A1 US 20090245961 A1 US20090245961 A1 US 20090245961A1 US 6046008 A US6046008 A US 6046008A US 2009245961 A1 US2009245961 A1 US 2009245961A1
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- US
- United States
- Prior art keywords
- workbench
- operable
- support frame
- screw rod
- horizontal direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/002—Gantry-type milling machines
-
- 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
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/64—Movable or adjustable work or tool supports characterised by the purpose of the movement
- B23Q1/66—Worktables interchangeably movable into operating positions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304536—Milling including means to infeed work to cutter
- Y10T409/305264—Multiple work stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30784—Milling including means to adustably position cutter
- Y10T409/307952—Linear adjustment
- Y10T409/308288—Linear adjustment including gantry-type cutter-carrier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/309576—Machine frame
Definitions
- This invention relates to a machining apparatus, more particularly to a relatively efficient machining apparatus.
- FIG. 1 illustrates a conventional machining apparatus 10 that includes a support frame 11 , a work bench 14 , a tool-mounting unit 19 , and first and second operable units 13 , 16 .
- the support frame 11 includes a first horizontal frame part 12 , and a second horizontal frame part 15 disposed above the first horizontal frame part 12 thereof.
- the workbench 14 is mounted slidably on the first horizontal frame part 12 of the support frame 11 , and is slidable relative to the support frame 11 in a first horizontal direction (X).
- the first operable unit 13 is mounted on the first horizontal frame part 12 of the support frame 11 , is coupled to the workbench 14 , and is operable so as to move the workbench 14 in the first horizontal direction (X).
- the tool-mounting unit 19 which holds a tool bit (not shown), is mounted slidably on the second horizontal frame part 15 of the support frame 11 , and is slidable relative to the support frame 11 in a second horizontal direction (Y) transverse to the first horizontal direction (X).
- the second operable unit 16 is mounted on the second horizontal frame part 15 of the support frame 11 , is coupled to the tool-mounting unit 19 , and is operable so as to move the tool-mounting unit 19 in the second horizontal direction (X).
- the first operable unit 13 is first operated to move the workbench 14 in the first horizontal direction (X) and to dispose the workbench 14 at a position proximate to the tool-mounting unit 19 to thereby permit the conventional machining apparatus 10 to process a workpiece 20 on the workbench 14 . Thereafter, the first operable unit 13 is operated to move the workbench 14 in the first horizontal direction (X) and to dispose the workbench 14 at a position distal from the tool-mounting unit 19 to thereby permit replacement of the workpiece 20 on the workbench 14 .
- the aforementioned conventional machining apparatus 10 is disadvantageous in that, since it includes only one workbench 14 , the conventional machining apparatus 10 is relatively inflexible and inefficient.
- the object of the present invention is to provide a machining apparatus that is relatively flexible and efficient.
- a machining apparatus comprises a support frame, first and second workbenches, first and second operable units, a tool-mounting unit, and a third operable unit.
- the support frame includes a first horizontal frame part, and a second horizontal frame part disposed above the first horizontal frame part.
- the first workbench is mounted slidably on the first horizontal frame part of the support frame, and is slidable relative to the support frame in a first horizontal direction.
- the first operable unit is mounted on the first horizontal frame part of the support frame, is coupled to the first workbench, and is operable so as to move the first workbench in the first horizontal direction.
- the second workbench is separated from the first workbench, is mounted slidably on the first horizontal frame part of the support frame, and is slidable relative to the support frame in the first horizontal direction.
- the second operable unit is mounted on the first horizontal frame part of the support frame, is coupled to the second workbench, and is operable so as to move the second workbench in the first horizontal direction.
- the tool-mounting unit is mounted slidably on the second horizontal frame part of the support frame, and is slidable relative to the support frame in a second horizontal direction transverse to the first horizontal direction.
- the third operable unit is mounted on the second horizontal frame part of the support frame, is coupled to the tool-mounting unit, and is operable so as to move the tool-mounting unit in the second horizontal direction.
- FIG. 1 is a perspective view of a conventional machining apparatus
- FIG. 2 is a schematic view of the preferred embodiment of a machining apparatus according to this invention.
- FIG. 3 is a schematic view illustrating first and second workbenches of the preferred embodiment
- FIG. 4 is a schematic view illustrating operation of the preferred embodiment in a first mode
- FIGS. 5 and 6 are schematic views illustrating operation of the preferred embodiment in a second mode.
- FIGS. 7 and 8 are schematic views illustrating operation of the preferred embodiment in a third mode.
- a machining apparatus according to this invention is shown to include a support frame 30 , first and second workbenches 60 , 70 , first and second operable units 40 , 50 , a tool-mounting unit 90 , and a third operable unit 80 .
- the support frame 30 includes a first horizontal frame part 31 , and a second horizontal frame part 32 disposed above the first horizontal frame part 31 thereof.
- the first workbench 60 is mounted slidably on the first horizontal frame part 31 of the support frame 30 , and is slidable relative to the support frame 30 in a first horizontal direction (X).
- the second workbench 70 is separated from the first workbench 60 , is mounted slidably on the first horizontal frame part 31 of the support frame 30 , and is slidable relative to the support frame 30 in the first horizontal direction (X).
- the machining apparatus further includes a pair of spaced apart first and second guide rails 33 , 34 , each of which is mounted on the first horizontal frame part 31 of the support frame 30 .
- Each of the first and second workbenches 60 , 70 is mounted slidably on the first and second guide rails 33 , 34 .
- the construction as such permits smooth sliding of the first and second workbenches 60 , 70 on the first horizontal frame part 31 .
- the first operable unit 40 is mounted on the first horizontal frame part 31 of the support frame 30 , is coupled to the first workbench 60 , and is operable so as to move the first workbench 60 in the first horizontal direction (X).
- the first operable unit 40 includes a rotating support 42 , a screw rod 43 , a motor 41 , and a non-rotatable mounting seat 44 .
- the screw rod 43 of the first operable unit 40 has a first end coupled rotatably to the rotating support 42 of the first operable unit 40 , and a second end opposite to the first end thereof.
- the screw rod 43 of the first operable unit 40 is rotatable relative to the support frame 30 in opposite first and second rotational directions.
- the motor 41 of the first operable unit 40 is coupled to the second end of the screw rod 43 of the first operable unit 40 , and is operable so as to drive rotation of the screw rod 43 in the first and second rotational directions.
- the mounting seat 44 of the first operable unit 40 is coupled threadedly to the screw rod 43 of the first operable unit 40 .
- the mounting seat 44 moves in the first horizontal direction (X) toward the second workbench 70 when the screw rod 43 is rotated in the first rotational direction, and away from the second workbench 70 when the screw rod 43 is rotated in the second rotational direction.
- the first workbench 60 is connected to the mounting seat 44 of the first operable unit 40 so as to be co-movable therewith in the first horizontal direction (X).
- the second operable unit 50 is mounted on the first horizontal frame part 31 of the support frame 30 , is coupled to the second workbench 70 , and is operable so as to move the second workbench 70 in the first horizontal direction (X).
- the second operable unit 50 includes a rotating support 52 , a screw rod 53 , a motor 51 , and a non-rotatable mounting seat 54 .
- the screw rod 53 of the second operable unit 50 has a first end coupled rotatably to the rotating support 52 of the second operable unit 50 , and a second end opposite to the first end thereof.
- the screw rod 53 of the second operable unit 50 is rotatable relative to the support frame 30 in the first and second rotational directions.
- the motor 51 of the second operable unit 50 is coupled to the second end of the screw rod 53 of the second operable unit 50 , and is operable so as to drive rotation of the screw rod 53 in the first and second rotational directions.
- the mounting seat 54 of the second operable unit 50 is coupled threadedly to the screw rod 53 of the second operable unit 50 .
- the mounting seat 54 moves in the first horizontal direction (X) toward the first workbench 60 when the screw rod 53 is rotated in the first rotational direction, and away from the first workbench 60 when the screw rod 53 is rotated in the second rotational direction.
- the second workbench 70 is connected to the mounting seat 54 of the second operable unit 50 so as to be co-movable therewith in the first horizontal direction (X).
- the tool-mounting unit 90 which holds a tool bit 100 , is mounted slidably on the second horizontal frame part 32 of the support frame 30 , and is slidable relative to the support frame 30 in a second horizontal direction (Y) transverse to the first horizontal direction (X).
- the machining apparatus further includes spaced apart third and fourth guide rails 36 , 37 .
- the tool-mounting unit 90 is mounted slidably on the third and fourth guide rails 36 , 37 .
- the construction as such permits smooth sliding of the tool-mounting unit 90 on the second horizontal frame part 32 .
- the third operable unit 80 is mounted on the second horizontal frame part 32 of the support frame 30 , is coupled to the tool-mounting unit 90 , and is operable so as to move the tool-mounting unit 90 in the second horizontal direction (Y).
- the third operable unit 80 includes a rotating support 82 , a screw rod 83 , a motor 81 , and a non-rotatable mounting seat 84 .
- the screw rod 83 of the third operable unit 80 has a first end coupled rotatably to the rotating support 82 of the third operable unit 80 , and a second end opposite to the first end thereof.
- the screw rod 83 of the third operable unit 80 is rotatable relative to the support frame 30 in opposite third and fourth rotational directions.
- the motor 81 of the third operable unit 80 is coupled to the second end of the screw rod 83 of the third operable unit 80 , and is operable so as to drive rotation of the screw rod 83 in the third and fourth rotational directions.
- the mounting seat 84 of the third operable unit 80 is coupled threadedly to the screw rod 83 of the third operable unit 80 .
- the mounting seat 84 moves in the second horizontal direction (Y) when the screw rod 83 is rotated in the third and fourth rotational directions.
- the tool-mounting unit 90 is connected to the mounting seat 84 of the third operable unit 80 so as to be co-movable therewith in the second horizontal direction (Y).
- the rotating support 42 , 52 , 82 of each of the first, second, and third operable units 40 , 50 , 80 is in the form of a bearing.
- the machining apparatus of this invention may be operated in first, second, and third modes.
- the first and second operable units 40 , 50 are operated to respectively move the first and second workbenches 60 , 70 in the first horizontal direction (X) to a machining position, which is proximate to the tool-mounting unit 90 , as best shown in FIG. 3 , thereby permitting the machining apparatus to process a workpiece 101 on the first and second workbenches 60 , 70 , and a replacing position, which is distal from the tool-mounting unit 90 , thereby permitting replacement of the workpiece 101 on the first and second workbenches 60 , 70 .
- the first operable unit 40 is operated to move the first workbench 60 in the first horizontal direction (X) to the machining position to thereby permit the machining apparatus to process a workpiece 102 on the first workbench 60
- the second operable unit 50 is operated to move the second workbench 70 in the first horizontal direction (X) to the replacing position to thereby permit replacement of a workpiece 103 on the second workbench 70 .
- the first operable unit 40 is operated to move the first workbench 60 in the first horizontal direction (X) to the replacing position to thereby permit replacement of the workpiece 102 on the first workbench 60
- the second operable unit 50 is operated to move the second workbench 70 in the first horizontal direction (X) to the machining position to thereby permit the machining apparatus to process the workpiece 103 on the second workbench 70 .
- the machining apparatus of this invention is operable in the first, second, and third modes.
- the machining apparatus of this invention may be operated in the first mode.
- the machining apparatus of this invention may be operated alternately in the second and third modes.
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- Engineering & Computer Science (AREA)
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Abstract
Description
- 1. Field of the Invention
- This invention relates to a machining apparatus, more particularly to a relatively efficient machining apparatus.
- 2. Description of the Related Art
-
FIG. 1 illustrates aconventional machining apparatus 10 that includes asupport frame 11, awork bench 14, a tool-mounting unit 19, and first and secondoperable units support frame 11 includes a firsthorizontal frame part 12, and a secondhorizontal frame part 15 disposed above the firsthorizontal frame part 12 thereof. Theworkbench 14 is mounted slidably on the firsthorizontal frame part 12 of thesupport frame 11, and is slidable relative to thesupport frame 11 in a first horizontal direction (X). The firstoperable unit 13 is mounted on the firsthorizontal frame part 12 of thesupport frame 11, is coupled to theworkbench 14, and is operable so as to move theworkbench 14 in the first horizontal direction (X). The tool-mounting unit 19, which holds a tool bit (not shown), is mounted slidably on the secondhorizontal frame part 15 of thesupport frame 11, and is slidable relative to thesupport frame 11 in a second horizontal direction (Y) transverse to the first horizontal direction (X). The secondoperable unit 16 is mounted on the secondhorizontal frame part 15 of thesupport frame 11, is coupled to the tool-mounting unit 19, and is operable so as to move the tool-mounting unit 19 in the second horizontal direction (X). - In use, the first
operable unit 13 is first operated to move theworkbench 14 in the first horizontal direction (X) and to dispose theworkbench 14 at a position proximate to the tool-mounting unit 19 to thereby permit theconventional machining apparatus 10 to process aworkpiece 20 on theworkbench 14. Thereafter, the firstoperable unit 13 is operated to move theworkbench 14 in the first horizontal direction (X) and to dispose theworkbench 14 at a position distal from the tool-mounting unit 19 to thereby permit replacement of theworkpiece 20 on theworkbench 14. - The aforementioned
conventional machining apparatus 10 is disadvantageous in that, since it includes only oneworkbench 14, theconventional machining apparatus 10 is relatively inflexible and inefficient. - Therefore, the object of the present invention is to provide a machining apparatus that is relatively flexible and efficient.
- According to the present invention, a machining apparatus comprises a support frame, first and second workbenches, first and second operable units, a tool-mounting unit, and a third operable unit. The support frame includes a first horizontal frame part, and a second horizontal frame part disposed above the first horizontal frame part. The first workbench is mounted slidably on the first horizontal frame part of the support frame, and is slidable relative to the support frame in a first horizontal direction. The first operable unit is mounted on the first horizontal frame part of the support frame, is coupled to the first workbench, and is operable so as to move the first workbench in the first horizontal direction. The second workbench is separated from the first workbench, is mounted slidably on the first horizontal frame part of the support frame, and is slidable relative to the support frame in the first horizontal direction. The second operable unit is mounted on the first horizontal frame part of the support frame, is coupled to the second workbench, and is operable so as to move the second workbench in the first horizontal direction. The tool-mounting unit is mounted slidably on the second horizontal frame part of the support frame, and is slidable relative to the support frame in a second horizontal direction transverse to the first horizontal direction. The third operable unit is mounted on the second horizontal frame part of the support frame, is coupled to the tool-mounting unit, and is operable so as to move the tool-mounting unit in the second horizontal direction.
- Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiment with reference to the accompanying drawings, of which:
-
FIG. 1 is a perspective view of a conventional machining apparatus; -
FIG. 2 is a schematic view of the preferred embodiment of a machining apparatus according to this invention; -
FIG. 3 is a schematic view illustrating first and second workbenches of the preferred embodiment; -
FIG. 4 is a schematic view illustrating operation of the preferred embodiment in a first mode; -
FIGS. 5 and 6 are schematic views illustrating operation of the preferred embodiment in a second mode; and -
FIGS. 7 and 8 are schematic views illustrating operation of the preferred embodiment in a third mode. - Referring to
FIGS. 2 and 3 , the preferred embodiment of a machining apparatus according to this invention is shown to include asupport frame 30, first andsecond workbenches operable units mounting unit 90, and a thirdoperable unit 80. - The
support frame 30 includes a firsthorizontal frame part 31, and a secondhorizontal frame part 32 disposed above the firsthorizontal frame part 31 thereof. - The
first workbench 60 is mounted slidably on the firsthorizontal frame part 31 of thesupport frame 30, and is slidable relative to thesupport frame 30 in a first horizontal direction (X). - The
second workbench 70 is separated from thefirst workbench 60, is mounted slidably on the firsthorizontal frame part 31 of thesupport frame 30, and is slidable relative to thesupport frame 30 in the first horizontal direction (X). - The machining apparatus further includes a pair of spaced apart first and
second guide rails horizontal frame part 31 of thesupport frame 30. Each of the first andsecond workbenches second guide rails second workbenches horizontal frame part 31. - With further reference to
FIG. 4 , the firstoperable unit 40 is mounted on the firsthorizontal frame part 31 of thesupport frame 30, is coupled to thefirst workbench 60, and is operable so as to move thefirst workbench 60 in the first horizontal direction (X). In particular, the firstoperable unit 40 includes arotating support 42, ascrew rod 43, amotor 41, and anon-rotatable mounting seat 44. Thescrew rod 43 of the firstoperable unit 40 has a first end coupled rotatably to therotating support 42 of the firstoperable unit 40, and a second end opposite to the first end thereof. In this embodiment, thescrew rod 43 of the firstoperable unit 40 is rotatable relative to thesupport frame 30 in opposite first and second rotational directions. Themotor 41 of the firstoperable unit 40 is coupled to the second end of thescrew rod 43 of the firstoperable unit 40, and is operable so as to drive rotation of thescrew rod 43 in the first and second rotational directions. Themounting seat 44 of the firstoperable unit 40 is coupled threadedly to thescrew rod 43 of the firstoperable unit 40. In this embodiment, themounting seat 44 moves in the first horizontal direction (X) toward thesecond workbench 70 when thescrew rod 43 is rotated in the first rotational direction, and away from thesecond workbench 70 when thescrew rod 43 is rotated in the second rotational direction. Thefirst workbench 60 is connected to themounting seat 44 of the firstoperable unit 40 so as to be co-movable therewith in the first horizontal direction (X). - The second
operable unit 50 is mounted on the firsthorizontal frame part 31 of thesupport frame 30, is coupled to thesecond workbench 70, and is operable so as to move thesecond workbench 70 in the first horizontal direction (X). In particular, the secondoperable unit 50 includes arotating support 52, ascrew rod 53, amotor 51, and anon-rotatable mounting seat 54. Thescrew rod 53 of the secondoperable unit 50 has a first end coupled rotatably to therotating support 52 of the secondoperable unit 50, and a second end opposite to the first end thereof. In this embodiment, thescrew rod 53 of the secondoperable unit 50 is rotatable relative to thesupport frame 30 in the first and second rotational directions. Themotor 51 of the secondoperable unit 50 is coupled to the second end of thescrew rod 53 of the secondoperable unit 50, and is operable so as to drive rotation of thescrew rod 53 in the first and second rotational directions. Themounting seat 54 of the secondoperable unit 50 is coupled threadedly to thescrew rod 53 of the secondoperable unit 50. In this embodiment, themounting seat 54 moves in the first horizontal direction (X) toward thefirst workbench 60 when thescrew rod 53 is rotated in the first rotational direction, and away from thefirst workbench 60 when thescrew rod 53 is rotated in the second rotational direction. Thesecond workbench 70 is connected to themounting seat 54 of the secondoperable unit 50 so as to be co-movable therewith in the first horizontal direction (X). - The tool-
mounting unit 90, which holds atool bit 100, is mounted slidably on the secondhorizontal frame part 32 of thesupport frame 30, and is slidable relative to thesupport frame 30 in a second horizontal direction (Y) transverse to the first horizontal direction (X). - The machining apparatus further includes spaced apart third and
fourth guide rails mounting unit 90 is mounted slidably on the third andfourth guide rails mounting unit 90 on the secondhorizontal frame part 32. - The third
operable unit 80 is mounted on the secondhorizontal frame part 32 of thesupport frame 30, is coupled to the tool-mounting unit 90, and is operable so as to move the tool-mounting unit 90 in the second horizontal direction (Y). In particular, the thirdoperable unit 80 includes arotating support 82, ascrew rod 83, amotor 81, and anon-rotatable mounting seat 84. Thescrew rod 83 of the thirdoperable unit 80 has a first end coupled rotatably to therotating support 82 of the thirdoperable unit 80, and a second end opposite to the first end thereof. In this embodiment, thescrew rod 83 of the thirdoperable unit 80 is rotatable relative to thesupport frame 30 in opposite third and fourth rotational directions. Themotor 81 of the thirdoperable unit 80 is coupled to the second end of thescrew rod 83 of the thirdoperable unit 80, and is operable so as to drive rotation of thescrew rod 83 in the third and fourth rotational directions. The mountingseat 84 of the thirdoperable unit 80 is coupled threadedly to thescrew rod 83 of the thirdoperable unit 80. In this embodiment, the mountingseat 84 moves in the second horizontal direction (Y) when thescrew rod 83 is rotated in the third and fourth rotational directions. The tool-mountingunit 90 is connected to the mountingseat 84 of the thirdoperable unit 80 so as to be co-movable therewith in the second horizontal direction (Y). - In this embodiment, the rotating
support operable units - From the above description, since the first and second
operable units second workbenches - In the first mode, the first and second
operable units second workbenches unit 90, as best shown inFIG. 3 , thereby permitting the machining apparatus to process aworkpiece 101 on the first andsecond workbenches unit 90, thereby permitting replacement of theworkpiece 101 on the first andsecond workbenches - In the second mode, as best shown in
FIGS. 5 and 6 , the firstoperable unit 40 is operated to move thefirst workbench 60 in the first horizontal direction (X) to the machining position to thereby permit the machining apparatus to process aworkpiece 102 on thefirst workbench 60, and the secondoperable unit 50 is operated to move thesecond workbench 70 in the first horizontal direction (X) to the replacing position to thereby permit replacement of aworkpiece 103 on thesecond workbench 70. - In the third mode, as best shown in
FIGS. 7 and 8 , the firstoperable unit 40 is operated to move thefirst workbench 60 in the first horizontal direction (X) to the replacing position to thereby permit replacement of theworkpiece 102 on thefirst workbench 60, and the secondoperable unit 50 is operated to move thesecond workbench 70 in the first horizontal direction (X) to the machining position to thereby permit the machining apparatus to process theworkpiece 103 on thesecond workbench 70. - It has thus been shown that the machining apparatus of this invention is operable in the first, second, and third modes. When it is desired to process large-sized workpieces, the machining apparatus of this invention may be operated in the first mode. On the other hand, when it is desired to process small-sized workpieces, the machining apparatus of this invention may be operated alternately in the second and third modes.
- While the present invention has been described in connection with what is considered the most practical and preferred embodiment, it is understood that this invention is not limited to the disclosed embodiment but is intended to cover various arrangements included within the spirit and scope of the broadest interpretation so as to encompass all such modifications and equivalent arrangements.
Claims (4)
Priority Applications (1)
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US12/060,460 US7591619B1 (en) | 2008-04-01 | 2008-04-01 | Machining apparatus |
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US12/060,460 US7591619B1 (en) | 2008-04-01 | 2008-04-01 | Machining apparatus |
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US7591619B1 US7591619B1 (en) | 2009-09-22 |
US20090245961A1 true US20090245961A1 (en) | 2009-10-01 |
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