WO2022091201A1 - 工作機械用の操作盤 - Google Patents
工作機械用の操作盤 Download PDFInfo
- Publication number
- WO2022091201A1 WO2022091201A1 PCT/JP2020/040204 JP2020040204W WO2022091201A1 WO 2022091201 A1 WO2022091201 A1 WO 2022091201A1 JP 2020040204 W JP2020040204 W JP 2020040204W WO 2022091201 A1 WO2022091201 A1 WO 2022091201A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axial direction
- blower
- central axis
- operation panel
- intermediate member
- Prior art date
Links
- 238000005192 partition Methods 0.000 claims description 25
- 238000007664 blowing Methods 0.000 abstract description 19
- 230000002093 peripheral effect Effects 0.000 description 39
- 238000011144 upstream manufacturing Methods 0.000 description 13
- 238000012986 modification Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- 238000003754 machining Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20154—Heat dissipaters coupled to components
- H05K7/20163—Heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- 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
- B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
- B23Q1/0045—Control panels or boxes
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/128—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling frame parts
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/14—Methods or arrangements for maintaining a constant temperature in parts of machine tools
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
Definitions
- the present invention relates to an operation panel for a machine tool.
- Patent Document 1 discloses a control console for a numerically controlled machine tool.
- the control console comprises a housing, a screen located on the front side of the housing, at least one circuit board with electrical components, and a cooling channel through which fluid can pass.
- an operation panel for a machine tool is known.
- a blower is used for the purpose of cooling various cooling objects housed in the housing of the operation panel.
- the air passage connected to the blower is provided in the limited space in the housing, turbulence may occur in the air flow. In this case, a large amount of noise is generated as the air is blown by the air blower.
- an object of the present invention is to solve the above-mentioned problems, and to provide an operation panel for a machine tool that suppresses the generation of noise due to the blowing by a blowing device.
- the operation panel for a machine tool is arranged so as to be spaced apart from each other in the circumferential direction of a predetermined axis, and has a plurality of blades rotating around the predetermined axis and a cylindrical shape centered on the predetermined axis.
- a blower that has a central shaft portion that is arranged inside the radial direction of a predetermined shaft with respect to a plurality of blade portions, and blows out air sucked in the axial direction of the predetermined shaft in the axial direction of the predetermined shaft.
- a facing wall arranged on the air suction side with respect to the blower device and facing the blower device in the axial direction of the predetermined axis, and an intermediate member provided between the facing wall and the central shaft portion in the axial direction of the predetermined axis.
- the space between the facing wall and the central shaft portion in the axial direction of the predetermined axis is occupied by the intermediate member, so that the turbulent flow is performed at the position facing the central shaft portion. Can be suppressed from occurring. As a result, it is possible to suppress the generation of noise due to the blowing by the blowing device.
- the intermediate member has a cylindrical shape.
- the central axis of the intermediate member extends in the axial direction of the predetermined axis.
- the space between the facing wall and the central shaft portion in the axial direction of the predetermined shaft can be more efficiently occupied by the intermediate member. This makes it possible to further reduce the noise associated with the blowing by the blowing device.
- the central axis of the intermediate member extends on a straight line extending a predetermined axis.
- the space between the facing wall and the central shaft portion in the axial direction of the predetermined shaft can be more efficiently occupied by the intermediate member. This makes it possible to further reduce the noise associated with the blowing by the blowing device.
- the intermediate member is connected to the facing wall. According to the operation panel for the machine tool configured in this way, it is not necessary to separately provide a support structure for supporting the intermediate member, so that it is possible to reduce the noise caused by the blown air by the blower while simplifying the configuration. ..
- the operation panel for the machine tool has a facing wall and includes a housing for accommodating the blower.
- the facing wall forms an internal space for accommodating the blower.
- the operation panel for the machine tool is arranged in the housing so as to face the facing wall, and further includes a partition wall to which the blower is attached. An air passage through which air flows toward the blower is provided between the facing wall and the partition wall.
- noise can be reduced by arranging intermediate members even when the distance between the facing wall and the partition wall is reduced. This makes it possible to reduce the thickness of the housing.
- an operation panel for a machine tool that suppresses noise generated by blowing air from a blower.
- FIG. 1 It is a perspective view which shows the machine tool which uses the operation panel in Embodiment 1 of this invention. It is a perspective view which shows the operation panel in FIG. It is sectional drawing which shows the operation panel seen in the direction of the arrow on the line III-III in FIG. It is a perspective view which shows the air guide member and the air blower in FIG. It is a top view which shows the air guide member and the air blower seen in the direction indicated by the arrow V in FIG. It is a perspective view which shows the blower device in FIG. It is another perspective view which shows the blower device in FIG. It is a top view which shows the internal structure of a wind guide member. It is a perspective view which shows the range surrounded by the two-dot chain line IX in FIG.
- FIG. 1 is a perspective view showing a machine tool in which the operation panel according to the first embodiment of the present invention is used.
- the machine tool 100 is a machining center for machining a work by bringing a rotating tool into contact with the work, and more specifically, a horizontal machining center in which the rotation center axis of the tool extends in the horizontal direction.
- the machine tool 100 is an NC (Numerically Control) machine tool in which various operations for machining a work are automated by numerical control by a computer.
- NC Numerically Control
- the machine tool 100 has a cover body 21.
- the cover body 21 forms a processing area and has the appearance of the machine tool 100.
- the processing area is a space where the work is processed, and is sealed so that foreign matter such as chips or cutting oil associated with the work processing does not leak to the outside of the processing area.
- the cover body 21 has a front cover 23 and a door portion 25.
- the front cover 23 is provided with an opening 26.
- the opening 26 opens the processing area to the external space.
- the door portion 25 is provided in the opening portion 26.
- the door portion 25 can slide between an open position in which the opening 26 is in the open state and a closed position in which the opening 26 is in the closed state (the position of the door portion 25 shown in FIG. 1). ..
- the machine tool 100 further has an operation panel 10.
- the operation panel 10 is provided outside the machining area.
- the operation panel 10 is attached to the front cover 23.
- the operation panel 10 is provided adjacent to the opening 26.
- the operation panel in the present invention is not limited to the horizontal machining center, for example, a lathe, a vertical machining center, a multi-tasking machine having a turning function and a milling function, or an additional machining (AM (Additive manufacturing) machining) of a work. It is also applicable to AM / SM hybrid processing machines capable of removing workpieces (SM (Subtractive manufacturing) processing).
- AM Additional manufacturing
- FIG. 2 is a perspective view showing an operation panel in FIG. With reference to FIG. 2, the operation panel 10 has a housing 31.
- the housing 31 has the appearance of the operation panel 10.
- the housing 31 has a first housing 31U and a second housing 31L.
- the first housing 31U is arranged above the second housing 31L.
- the first housing 31U is rotatably connected to the second housing 31L about a rotation center shaft 120.
- Each of the first housing 31U and the second housing 31L has a flat plate shape.
- Each of the first housing 31U and the second housing 31L has a flat plate shape parallel to the plane including the rotation center axis 120.
- the operation panel 10 includes an operation unit 32 such as various buttons, dials or switches used by the operator when operating the machine tool 100, and a display unit 36 indicating the machining state of the work in the machine tool 100.
- An operation unit 32 such as a button, a dial, or a switch is provided in the second housing 31L.
- the display unit 36 is provided in the first housing 31U.
- FIG. 3 is a cross-sectional view showing an operation panel seen in the direction of the arrow on lines III-III in FIG.
- the first housing 31U has an facing wall 52.
- the facing wall 52 is arranged on the back side of the display unit 36.
- the facing wall 52 extends in a plane direction orthogonal to the thickness direction of the first housing 31U.
- the facing wall 52 and the display unit 36 are arranged so as to be spaced apart from each other in the thickness direction of the first housing 31U.
- the facing wall 52, together with the display unit 36, forms an internal space for accommodating the blower device 61 and the like, which will be described later.
- the operation panel 10 further has a partition wall portion 55.
- the partition wall portion 55 is arranged in the first housing 31U.
- the partition wall portion 55 faces the facing wall 52 at a distance.
- the partition wall portion 55 extends parallel to the facing wall 52.
- the distance between the facing wall 52 and the partition wall portion 55 in the thickness direction of the first housing 31U is smaller than the distance between the display portion 36 and the partition wall portion 55 in the thickness direction of the first housing 31U.
- An air passage 54 is formed between the facing wall 52 and the partition wall portion 55.
- the facing wall 52 is provided with an intake port 53.
- the intake port 53 is composed of a through hole penetrating the facing wall 52.
- the intake port 53 communicates between the air passage 54 and the outside of the first housing 31U.
- the operation panel 10 further has a display device 41.
- the display device 41 includes a liquid crystal panel or a display panel such as an organic EL.
- the display device 41 has a thin plate shape and is arranged in parallel with a plane orthogonal to the thickness direction of the first housing 31U.
- the display unit 36 is composed of a display surface of the display device 41.
- the operation panel 10 further includes an electronic component 43 and a heat sink 47.
- the electronic component 43 and the heat sink 47 are arranged between the display device 41 and the partition wall portion 55 in the thickness direction of the first housing 31U.
- the electronic component 43 is composed of a CPU (Central Processing Unit).
- the electronic component 43 is mounted on the substrate 42.
- the substrate 42 is arranged in parallel with the facing wall 52 and the partition wall portion 55.
- the electronic component 43 is arranged on the opposite side of the display device 41 with respect to the substrate 42.
- the heat sink 47 is made of metal such as aluminum.
- the heat sink 47 is housed in the first housing 31U.
- the heat sink 47 is arranged between the electronic component 43 and the partition wall portion 55 in the thickness direction of the first housing 31U.
- the heat sink 47 is connected to the electronic component 43.
- the heat sink 47 is thermally connected to the electronic component 43.
- a grease or a heat conductive sheet may be interposed between the heat sink 47 and the electronic component 43.
- the heat sink 47 is arranged so as to be stacked with the electronic component 43 in the thickness direction of the first housing 31U (the axial direction of the central axis 130 described later).
- the heat sink 47 has a heat radiating plate 44 and a plurality of fins 45.
- the heat radiating plate 44 is arranged in parallel with the facing wall 52 and the partition wall portion 55.
- the heat sink 44 faces the substrate 42 via the electronic component 43.
- the heat sink 44 is connected to the electronic component 43.
- the plurality of fins 45 are arranged between the partition wall portion 55 and the heat radiating plate 44 in the thickness direction of the first housing 31U.
- the plurality of fins 45 are provided integrally with the heat sink 44.
- the plurality of fins 45 extend from the heat radiating plate 44 toward the partition wall portion 55.
- the plurality of fins 45 are arranged at intervals from each other in a direction orthogonal to the thickness direction of the first housing 31U.
- the operation panel 10 further includes a blower device 61 and a wind guide member 81.
- the blower device 61 and the air guide member 81 are arranged in the first housing 31U.
- the blower 61 and the air guide member 81 are arranged between the display device 41 and the partition wall portion 55 in the thickness direction of the first housing 31U.
- the blower 61 is connected to the air guide member 81.
- the blower 61 is attached to the partition wall 55.
- the blower 61 faces the facing wall 52 via the air passage 54.
- the air passage 54 communicates with the suction side of the blower 61.
- the air guide member 81 forms an air flow path 90 in the first housing 31U.
- the air guide member 81 is composed of a duct forming an air flow path 90.
- the wind guide member 81 is provided with an upstream opening 84 and a downstream opening 85.
- the air flow path 90 extends between the upstream opening 84 and the downstream opening 85.
- the upstream opening 84 is provided at the upstream end of the air flow in the air flow path 90.
- the air flow path 90 communicates with the ejection side of the blower 61 through the upstream opening 84.
- the downstream opening 85 is provided at the downstream end of the air flow in the air flow path 90.
- the downstream opening 85 opens in the space between the heat sink 44 and the partition 55.
- the downstream opening 85 is open facing the heat sink 47.
- the downstream opening 85 is open facing the plurality of fins 45.
- the air outside the first housing 31U is taken into the air passage 54 in the first housing 31U through the intake port 53.
- the air flowing through the air passage 54 is sent out from the blower 61 to the air passage 90.
- Air passes through the air flow path 90 and is guided toward the heat sink 47 (plural fins 45).
- the air whose temperature has risen due to heat exchange with the heat sink 47 goes around the end portion 57 of the partition wall portion 55 and flows out to the air passage 54.
- the air flowing out to the air passage 54 is discharged to the outside of the first housing 31U through an exhaust port (not shown) provided on the facing wall 52.
- FIG. 4 is a perspective view showing a wind guide member and a blower in FIG.
- FIG. 5 is a plan view showing a wind guide member and a blower as viewed in the direction indicated by the arrow V in FIG. 6 and 7 are perspective views showing the blower in FIG.
- FIG. 6 shows a blower device 61 on the suction side
- FIG. 7 shows a blower device 61 on the blowout side.
- the blower 61 has a plurality of blade portions 66, a central shaft portion 63, and a motor 62.
- the plurality of blade portions 66 are arranged at intervals from each other in the circumferential direction of the central axis 130, which is a virtual straight line.
- the plurality of blade portions 66 are provided at equal intervals in the circumferential direction of the central axis 130.
- the central shaft 130 extends in the thickness direction of the first housing 31U.
- the axial direction of the central axis 130 corresponds to the thickness direction of the first housing 31U.
- the blower 61 is an axial flow type that sends air in the axial direction of the central axis 130.
- the blower 61 is a propeller fan.
- the blower 61 has a flat plate-like appearance in which the axial direction of the central axis 130 is the thickness direction.
- the end face side of the blower 61 facing in one direction along the axial direction of the central axis 130 corresponds to the suction side, and the end face side of the blower 61 facing in the opposite direction along the axial direction of the central shaft 130 corresponds to the ejection side. are doing.
- the central shaft portion 63 is provided on the axis of the central shaft 130.
- the central shaft portion 63 has a cylindrical shape centered on the central shaft 130.
- the central shaft portion 63 is arranged inside the central shaft 130 in the radial direction with respect to the plurality of blade portions 66.
- the central shaft portion 63 has a first disk portion 64, a second disk portion 67, and a cylindrical portion 65.
- the first disk portion 64 and the second disk portion 67 have a disk shape centered on the central axis 130.
- the first disk portion 64 and the second disk portion 67 are arranged so as to be spaced apart from each other in the axial direction of the central axis 130.
- the first disk portion 64 is arranged on the suction side, and the second disk portion 67 is arranged on the ejection side.
- the cylindrical portion 65 has a cylindrical shape centered on the central axis 130.
- the cylindrical portion 65 is connected to the first disk portion 64 at one end of the central axis 130 in the axial direction.
- the cylindrical portion 65 is separated from the second disk portion 67.
- the root portions of the plurality of blade portions 66 are connected to the cylindrical portion 65.
- the motor 62 is housed in the central shaft portion 63.
- the motor 62 is arranged in a space surrounded by the first disk portion 64, the second disk portion 67, and the cylindrical portion 65.
- the motor 62 is supported by the second disk portion 67.
- the output shaft of the motor 62 is connected to the first disk portion 64.
- the blower 61 further includes a fan guard 70 and a plurality of rib portions 68.
- the fan guard 70 is provided so as to surround the outer periphery of the plurality of blade portions 66.
- the fan guard 70 is provided at a position separated from the central shaft portion 63 on the radial side of the central shaft 130.
- a plurality of blade portions 66 are arranged in the space 72 between the central shaft portion 63 and the fan guard 70 in the radial direction of the central shaft 130.
- a gap is provided between the fan guard 70 and the plurality of blade portions 66 in the radial direction of the central axis 130.
- the plurality of rib portions 68 extend between the fan guard 70 and the central shaft portion 63.
- the plurality of rib portions 68 are arranged so as to be spaced apart from each other in the circumferential direction of the central axis 130.
- the rib portion 68 extends from the inside in the radial direction to the outside in the radial direction of the central axis 130 while being displaced in the circumferential direction of the central axis 130.
- the rib portion 68 is connected to the outer peripheral edge of the second disk portion 67 at the end portion on the inner side in the radial direction of the central axis 130.
- the rib portion 68 is connected to the fan guard 70 at the end portion on the radial outer side of the central axis 130.
- the plurality of rib portions 68 include the rib portions 68j. As shown in FIG. 7, a wiring 71 extending from the motor 62 is arranged in the rib portion 68j.
- the wiring 71 includes the power line and the signal line of the motor 62.
- the wiring 71 is drawn out from the central shaft portion 63 in which the motor 62 is housed to the fan guard 70 through the rib portion 68j.
- the width of the rib portion 68j in the circumferential direction of the central shaft 130 is larger than the width of the rib portion 68 other than the rib portion 68j in the circumferential direction of the central shaft 130.
- the wind guide member 81 has a first flat surface portion 86, an inclined portion 87, and a second flat surface portion 88.
- the first flat surface portion 86 and the second flat surface portion 88 have a flat plate shape in which the axial direction of the central axis 130 is the thickness direction.
- the inclined portion 87 connects the first plane portion 86 and the second plane portion 88.
- the inclined portion 87 has a flat plate shape extending obliquely with respect to the first flat surface portion 86 and the second flat surface portion 88.
- a blower 61 is connected to the first flat surface portion 86.
- the first plane portion 86 extends in a plane direction orthogonal to the central axis 130.
- the blower 61 is provided so as to be stacked in the axial direction of the first plane portion 86 and the central shaft 130.
- the upstream side opening 84 is provided in the first flat surface portion 86.
- the upstream opening 84 opens the air flow path 90 toward the central axis 130 in the axial direction.
- the upstream side opening 84 is open in the axial direction of the central shaft 130 within a range in which the central shaft portion 63 and the space 72 are projected.
- the second plane portion 88 is arranged at a position away from the first plane portion 86 in the radial direction of the central axis 130 and at a position deviated from the first plane portion 86 in the axial direction of the central axis 130.
- the second plane portion 88 extends in the plane direction orthogonal to the central axis 130.
- the downstream side opening 85 is provided in the second flat surface portion 88. The downstream opening 85 opens the air flow path 90 so as to face the radial side of the central axis 130.
- the second flat surface portion 88 is provided at a position deviated from the first flat surface portion 86 in the axial direction of the central axis 130 in a direction approaching the partition wall portion 55.
- the second flat surface portion 88, together with the first flat surface portion 86, has a stepped shape in the axial direction of the central axis 130.
- the blower 61 is arranged in a stepped portion formed by the first flat surface portion 86 and the second flat surface portion 88.
- the inclined portion 87 is arranged between the first plane portion 86 and the second plane portion 88 in the radial direction of the central axis 130.
- the inclined portion 87 extends in an oblique direction with respect to the central axis 130 between the first plane portion 86 and the second plane portion 88.
- the blower 61, the second flat surface portion 88, and the heat sink 47 are provided side by side in the order listed from the inner side in the radial direction to the outer side in the radial direction of the central axis 130.
- the blower 61, the second flat surface portion 88, and the heat sink 47 (a plurality of fins 45) are provided in the same plane orthogonal to the central axis 130.
- the second plane portion 88 is provided so as to face the blower device 61 via the inclined portion 87 in the radial direction of the central axis 130.
- the heat sink 47 (plurality of fins 45) is provided so as to face the second plane portion 88 in the radial direction of the central axis 130.
- the first flat surface portion 86 and the electronic component 43 are provided side by side in the order listed from the inner side in the radial direction to the outer side in the radial direction of the central axis 130.
- the first plane portion 86 and the electronic component 43 are provided in the same plane orthogonal to the central axis 130.
- the electronic component 43 is provided so as to face the electronic component 43 via the inclined portion 87 in the radial direction of the central axis 130.
- the second flat surface portion 88 is provided so as to be stacked with the heat radiating plate 44 in the axial direction of the central axis 130.
- the blower 61, the air guide member 81, the electronic component 43, and the heat sink 47 are formed by utilizing the stepped shape formed by the first flat surface portion 86 and the second flat surface portion 88 of the air guide member 81.
- the first housing 31U can be made thinner.
- FIG. 8 is a plan view showing the internal structure of the air guide member. With reference to FIGS. 3 to 8, the air flow path 90 has a peripheral portion 90A and a stretched portion 90B.
- the peripheral portion 90A opens in the axial direction of the central axis 130 through the upstream opening portion 84.
- the air sent out from the blower 61 flows into the peripheral portion 90A.
- the stretched portion 90B is arranged on the downstream side of the air flow in the air flow path 90 with respect to the peripheral portion 90A.
- the stretched portion 90B opens outward in the radial direction of the central axis 130 through the downstream opening portion 85.
- the peripheral portion 90A extends in the circumferential direction of the central axis 130.
- the peripheral portion 90A extends in the circumferential direction of the central shaft 130 at a position facing the plurality of blade portions 66 in the axial direction of the central shaft 130.
- the peripheral portion 90A extends in the circumferential direction of the central axis 130 at a position facing the space 72 in the axial direction of the central axis 130.
- the peripheral portion 90A is provided on the first flat surface portion 86.
- the wind guide member 81 (first flat surface portion 86) has a top portion 160, an inner peripheral side wall portion 161 and an outer peripheral side wall portion 162.
- the top 160 has a disk shape centered on the central axis 130.
- the top portion 160 faces the central shaft portion 63 (second disk portion 67) of the blower device 61 in the axial direction of the central shaft 130.
- the inner peripheral side wall portion 161 extends from the peripheral edge portion of the top portion 160 in a direction away from the blower 61 in the axial direction of the central axis 130.
- the inner peripheral side wall portion 161 faces the radial side of the central axis 130 and extends in the circumferential direction of the central axis 130.
- the inner peripheral side wall portion 161 has a constant radius around the central axis 130 regardless of the position in the circumferential direction of the central axis 130.
- the outer peripheral side wall portion 162 faces inward in the radial direction of the central axis 130 and extends in the circumferential direction of the central axis 130.
- the outer peripheral side wall portion 162 faces the inner peripheral side wall portion 161 in the radial direction of the central axis 130.
- the peripheral portion 90A is formed between the inner peripheral side wall portion 161 and the outer peripheral side wall portion 162 in the radial direction of the central axis 130.
- the outer peripheral side wall portion 162 may include a section having a radius that increases from the upstream side to the downstream side of the air flow in the peripheral portion 90A with the central axis 130 as the center.
- the stretched portion 90B extends from the end of the peripheral portion 90A on the downstream side of the air flow in the air flow path 90 toward the downstream opening portion 85.
- the stretched portion 90B extends from the inside in the radial direction to the outside in the radial direction of the central axis 130.
- the stretched portion 90B is provided on the inclined portion 87 and the second flat surface portion 88.
- the wind guide member 81 (inclined portion 87, second flat surface portion 88) has a first side wall portion 163 and a second side wall portion 164.
- the first side wall portion 163 and the second side wall portion 164 face each other.
- the first side wall portion 163 extends from the wall portion 165, which will be described later, toward the opening edge of the downstream opening 85.
- the second side wall portion 164 extends from the outer peripheral side wall portion 162 toward the opening edge of the downstream side opening 85.
- the stretched portion 90B is formed between the first side wall portion 163 and the second side wall portion 164. The distance between the first side wall portion 163 and the second side wall portion 164 increases from the upstream side to the downstream side of the air flow in the stretched portion 90B.
- the wind guide member 81 (first flat surface portion 86) further has a wall portion 165.
- the wall portion 165 extends between the inner peripheral side wall portion 161 and the first side wall portion 163.
- the wall portion 165 extends from the inside in the radial direction to the outside in the radial direction of the central axis 130 while being displaced in the circumferential direction of the central axis 130.
- the width of the wall portion 165 in the circumferential direction of the central shaft 130 is smaller than the width of the rib portion 68j in the circumferential direction of the central shaft 130.
- the wall portion 165 is arranged at a position overlapping the rib portion 68j when viewed in the axial direction of the central axis 130.
- the wall portion 165 and the rib portion 68j may be configured to partially overlap each other.
- the air flow path 90 extends around the central shaft portion 63 starting from one of the spaces 210 separated by the wall portion 165 when viewed in the axial direction of the central shaft 130, and further. It extends away from the central axis 63 through the other space 220 across the wall 165.
- the space 210 and the space 220 are provided on both sides of the wall portion 165 when viewed in the axial direction of the central axis 130.
- the direction in which the circumferential portion 90A orbits around the central axis 130 toward the space 220 with the space 210 as the starting point is the same as the rotation direction of the plurality of blade portions 66 in the blower device 61.
- the air flow path 90 may be configured so that the flow path area increases from the upstream side to the downstream side of the air flow.
- FIG. 9 is a perspective view showing a range surrounded by the two-dot chain line IX in FIG.
- FIG. 10 is a cross-sectional view showing a range surrounded by the two-dot chain line IX in FIG.
- the facing wall 52 is arranged on the air suction side with respect to the blower 61.
- the facing wall 52 is arranged so as to face the blower 61 in the axial direction of the central shaft 130.
- the facing wall 52 is arranged so as to face the central shaft portion 63 (first disk portion 64) in the axial direction of the central shaft 130.
- the facing wall 52 is arranged in parallel with the first disk portion 64.
- the operation panel 10 further has an intermediate member 111.
- the intermediate member 111 may be made of resin or metal.
- the intermediate member 111 is provided between the facing wall 52 and the central shaft portion 63 in the axial direction of the central shaft 130.
- the intermediate member 111 is provided in the air passage 54.
- the intermediate member 111 is provided at a position projected on the central shaft portion 63 (first disk portion 64) in the axial direction of the central shaft 130.
- the intermediate member 111 has a cylindrical shape centered on the central axis 150.
- the central axis 150 extends in the axial direction of the central axis 130.
- the central axis 150 extends on a straight line extending the central axis 130.
- the intermediate member 111 has a first end surface 111a, a second end surface 111b, and an outer peripheral surface 111c.
- the first end surface 111a and the second end surface 111b are formed of a circular plane orthogonal to the central axis 150.
- the outer peripheral surface 111c is formed of a cylindrical surface centered on the central axis 150.
- the outer peripheral surface 111c is connected to the peripheral edge portion of the first end surface 111a at one end in the axial direction of the central axis 150, and is connected to the peripheral edge portion of the second end surface 111b at the other end in the axial direction of the central axis 150.
- the intermediate member 111 (first end surface 111a) faces the central shaft portion 63 (first disk portion 64) with a gap in the axial direction of the central shaft 150.
- the intermediate member 111 (second end surface 111b) is connected to the facing wall 52.
- the distance H between the facing wall 52 and the partition wall portion 55 in the axial direction of the central axis 130 may be, for example, in the range of 5 mm or more and 25 mm or less, or in the range of 10 mm or more and 20 mm or less.
- the ratio of the length H1 of the intermediate member 111 in the axial direction of the central axis 130 to the size H2 of the gap between the intermediate member 111 and the central shaft portion 63 in the axial direction of the central axis 130 is, for example, 0 ⁇ H2 /. It may be in the range of H1 ⁇ 1/5 or in the range of 0 ⁇ H2 / H1 ⁇ 1/10.
- FIG. 11 is a perspective view showing an operation panel in a comparative example.
- FIG. 11 corresponds to FIG. With reference to FIG. 11, in this comparative example, the intermediate member 111 in FIG. 9 is not provided in the air passage 54.
- a first region 230 and a second region 240 are shown in the air passage 54.
- the first region 230 faces the central shaft portion 63 in the axial direction of the central shaft 130.
- the first region 230 has a cylindrical shape centered on the central axis 130.
- the second region 240 faces the space 72 in the axial direction of the central axis 130.
- the second region 240 has a ring shape centered on the central axis 130, and is arranged on the outer periphery of the first region 230.
- the space (first region 230) between the facing wall 52 and the central shaft portion 63 in the axial direction of the central shaft 130 is occupied by the intermediate member 111. It prevents turbulence from occurring at a position facing the central shaft portion 63. As a result, it is possible to suppress the generation of high frequency noise due to the blowing by the blowing device 61.
- the central axis 150 of the intermediate member 111 having a cylindrical shape extends in the axial direction of the central axis 130 of the central axis portion 63, and further, the central axis 150 of the intermediate member 111 is the central axis portion 63. Extends on an extended straight line of the central axis 130 of. With such a configuration, the space (first region 230) between the facing wall 52 and the central shaft portion 63 in the axial direction of the central shaft 130 can be more efficiently occupied by the intermediate member 111, so that noise can be generated. The occurrence can be further suppressed.
- the intermediate member 111 is connected to the facing wall 52. With such a configuration, it is not necessary to separately provide a support structure for supporting the intermediate member 111, so that the configuration inside the first housing 31U can be simplified.
- the operation panel 10 for the machine tool according to the present embodiment has the circumferential direction of the central shaft 130 as a predetermined axis. It has a plurality of blades 66 that rotate around the central shaft 130 and a cylindrical shape centered on the central shaft 130, and the central shaft 130 is provided with respect to the plurality of blades 66.
- An opposed wall 52 that is arranged and is arranged so as to face the blower 61 in the axial direction of the central shaft 130, and an intermediate member 111 provided between the facing wall 52 and the central shaft portion 63 in the axial direction of the central shaft 130. Be prepared.
- the space between the facing wall 52 and the central shaft portion 63 which is assumed to generate turbulent air flow, is provided.
- the intermediate member 111 By occupying the intermediate member 111, it is possible to suppress the generation of noise due to the blowing by the blowing device 61.
- the diameter d of the intermediate member 111 centered on the central shaft 150 is smaller than the diameter D of the central shaft portion 63 centered on the central shaft 130 (d ⁇ D).
- the outer peripheral surface 111c of the intermediate member 111 has a constricted shape.
- the diameter of the outer peripheral surface 111c centered on the central axis 150 is the smallest at the intermediate position of the intermediate member 111 in the axial direction of the central axis 150 in the axial direction of the central axis 150, and from the intermediate position, the axial direction of the central axis 150.
- the corner portion between the outer peripheral surface 111c of the intermediate member 111 and the facing wall 52 is formed by a curved surface.
- the first disk portion 64 is arranged on the ejection side, and the second disk portion 67 is arranged on the suction side.
- the second disk portion 67 and the fan guard 70 are connected to each other by a plurality of rib portions 68 arranged on the suction side.
- the intermediate member 111 (first end surface 111a) is connected to the central shaft portion 63 (second disk portion 67).
- the intermediate member 111 (second end surface 111b) faces the facing wall 52 with a gap in the axial direction of the central axis 150.
- the intermediate member 111 (first end surface 111a) is connected to the central shaft portion 63 (second disk portion 67).
- the intermediate member 111 (second end surface 111b) is connected to the facing wall 52.
- the effect described in the first embodiment can be similarly exhibited.
- the present invention is applied to an operation panel used in a machine tool.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
このように構成された工作機械用の操作盤によれば、所定軸の軸方向における対向壁および中心軸部の間の空間を、より効率的に中間部材によって占めることができる。これにより、送風装置による送風に伴う騒音をさらに低減させることができる。
このように構成された工作機械用の操作盤によれば、中間部材を支持する支持構造を別途設ける必要がないため、構成を簡易にしつつ、送風装置による送風に伴う騒音を低減させることができる。
図1は、この発明の実施の形態1における操作盤が用いられる工作機械を示す斜視図である。図1を参照して、工作機械100は、ワークに回転する工具を接触させることによって、ワーク加工を行なうマシニングセンタであり、より特定的には、工具の回転中心軸が水平方向に延びる横形マシニングセンタである。工作機械100は、コンピュータによる数値制御によって、ワーク加工のための各種動作が自動化されたNC(Numerically Control)工作機械である。
本実施の形態では、実施の形態1において説明した中間部材111の各種変形例について説明する。図12から図16は、中間部材の各種変形例を示す断面図である。図12から図16は、実施の形態1における図10に対応している。
Claims (5)
- 所定軸の周方向に互いに間隔を設けて配置され、前記所定軸を中心に回転する複数枚の羽根部と、前記所定軸を中心とする円柱形状を有し、前記複数枚の羽根部に対して前記所定軸の半径方向内側に配置される中心軸部とを有し、前記所定軸の軸方向に吸い込んだ空気を前記所定軸の軸方向に送り出す送風装置と、
前記送風装置に対する空気の吸い込み側に配置され、前記所定軸の軸方向において前記送風装置と対向して配置される対向壁と、
前記所定軸の軸方向において前記対向壁および前記中心軸部の間に設けられる中間部材とを備える、工作機械用の操作盤。 - 前記中間部材は、円柱形状を有し、
前記中間部材の中心軸は、前記所定軸の軸方向に延びる、請求項1に記載の工作機械用の操作盤。 - 前記中間部材の中心軸は、前記所定軸を延長した直線上で延びる、請求項2に記載の工作機械用の操作盤。
- 前記中間部材は、前記対向壁に接続される、請求項1から3のいずれか1項に記載の工作機械用の操作盤。
- 前記対向壁を有し、前記送風装置を収容する筐体を備え、
前記対向壁は、前記送風装置を収容する内部空間を区画形成し、さらに、
前記対向壁と対向するように前記筐体内に配置され、前記送風装置が取り付けられる隔壁部を備え、
前記対向壁および前記隔壁部の間には、前記送風装置に向けて空気が流れる空気通路が設けられる、請求項1から4のいずれか1項に記載の工作機械用の操作盤。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022558633A JP7425893B2 (ja) | 2020-10-27 | 2020-10-27 | 工作機械用の操作盤 |
EP20959719.4A EP4238695A1 (en) | 2020-10-27 | 2020-10-27 | Operation panel for machine tool |
US18/034,267 US11959496B2 (en) | 2020-10-27 | 2020-10-27 | Operation panel for machine tool |
PCT/JP2020/040204 WO2022091201A1 (ja) | 2020-10-27 | 2020-10-27 | 工作機械用の操作盤 |
CN202080106772.7A CN116457141A (zh) | 2020-10-27 | 2020-10-27 | 机床用的操作盘 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/040204 WO2022091201A1 (ja) | 2020-10-27 | 2020-10-27 | 工作機械用の操作盤 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022091201A1 true WO2022091201A1 (ja) | 2022-05-05 |
Family
ID=81382190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2020/040204 WO2022091201A1 (ja) | 2020-10-27 | 2020-10-27 | 工作機械用の操作盤 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11959496B2 (ja) |
EP (1) | EP4238695A1 (ja) |
JP (1) | JP7425893B2 (ja) |
CN (1) | CN116457141A (ja) |
WO (1) | WO2022091201A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009116647A1 (ja) * | 2008-03-21 | 2009-09-24 | 日本電気株式会社 | ファンユニット及びこれを含む電子機器 |
JP2013171249A (ja) * | 2012-02-22 | 2013-09-02 | Kyocera Document Solutions Inc | 電子機器の吸気機構及びそれを備えた画像形成装置 |
US20130342992A1 (en) * | 2012-03-14 | 2013-12-26 | Mark MacDonald | Passive noise cancellation for computer cooling systems |
JP2014204496A (ja) * | 2013-04-02 | 2014-10-27 | 東芝三菱電機産業システム株式会社 | 操作盤及び制御盤 |
JP2016530658A (ja) | 2013-09-13 | 2016-09-29 | ディエムジー・モリ・アクチェンゲゼルシャフトDmg Mori Aktiengesellschaft | 数値制御工作機械のための制御コンソール |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW453469U (en) * | 1999-10-12 | 2001-09-01 | Hon Hai Prec Ind Co Ltd | Computer fan holder |
US7492590B2 (en) * | 2006-12-15 | 2009-02-17 | Hong Fu Jin Pecision Industry (Shenzhen) Co., Ltd. | Computer enclosure |
-
2020
- 2020-10-27 US US18/034,267 patent/US11959496B2/en active Active
- 2020-10-27 EP EP20959719.4A patent/EP4238695A1/en active Pending
- 2020-10-27 CN CN202080106772.7A patent/CN116457141A/zh active Pending
- 2020-10-27 JP JP2022558633A patent/JP7425893B2/ja active Active
- 2020-10-27 WO PCT/JP2020/040204 patent/WO2022091201A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009116647A1 (ja) * | 2008-03-21 | 2009-09-24 | 日本電気株式会社 | ファンユニット及びこれを含む電子機器 |
JP2013171249A (ja) * | 2012-02-22 | 2013-09-02 | Kyocera Document Solutions Inc | 電子機器の吸気機構及びそれを備えた画像形成装置 |
US20130342992A1 (en) * | 2012-03-14 | 2013-12-26 | Mark MacDonald | Passive noise cancellation for computer cooling systems |
JP2014204496A (ja) * | 2013-04-02 | 2014-10-27 | 東芝三菱電機産業システム株式会社 | 操作盤及び制御盤 |
JP2016530658A (ja) | 2013-09-13 | 2016-09-29 | ディエムジー・モリ・アクチェンゲゼルシャフトDmg Mori Aktiengesellschaft | 数値制御工作機械のための制御コンソール |
Also Published As
Publication number | Publication date |
---|---|
CN116457141A (zh) | 2023-07-18 |
US11959496B2 (en) | 2024-04-16 |
JP7425893B2 (ja) | 2024-01-31 |
US20230407885A1 (en) | 2023-12-21 |
JPWO2022091201A1 (ja) | 2022-05-05 |
EP4238695A1 (en) | 2023-09-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4793325B2 (ja) | 遠心ファン装置及びそれを備えた電子機器 | |
KR20050027937A (ko) | 냉각 장치 및 전자 기기 | |
JP4499647B2 (ja) | 電子機器 | |
EP1977855B1 (en) | Machine tool with main body covered with cover | |
US20070160462A1 (en) | Centrifugal fan and fan frame thereof | |
KR101394499B1 (ko) | 팬 모듈 | |
US7744341B2 (en) | Thermal module with centrifugal blower and electronic assembly incorporating the same | |
JP4099458B2 (ja) | 静翼を含む遠心ファン | |
JP7491352B2 (ja) | 流体機械 | |
WO2019176563A1 (ja) | 流体機械 | |
WO2022091201A1 (ja) | 工作機械用の操作盤 | |
WO2022091200A1 (ja) | 工作機械用の操作盤 | |
JP2019173897A (ja) | 減速装置 | |
EP4195001A1 (en) | Fan and electronic device | |
EP3849065A1 (en) | Exhaust motor of vacuum device | |
JP2940301B2 (ja) | 遠心ファン | |
JP2006275311A (ja) | ファンフィルターユニット | |
JP6694094B2 (ja) | パッケージ形圧縮機 | |
JP2008255865A (ja) | 遠心ファン装置及びそれを備えた電子機器 | |
WO2021210097A1 (ja) | 流体機械 | |
CN112648203B (zh) | 一种电子设备 | |
US11510542B2 (en) | Exhaust motor of vacuum device | |
JP4258929B2 (ja) | 電動工具 | |
JP2002111265A (ja) | 電子装置のファン取付構造 | |
JP7144631B1 (ja) | ミストコレクタ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20959719 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022558633 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18034267 Country of ref document: US Ref document number: 202080106772.7 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2020959719 Country of ref document: EP Effective date: 20230530 |