WO2013161330A1 - Machine d'usinage - Google Patents

Machine d'usinage Download PDF

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Publication number
WO2013161330A1
WO2013161330A1 PCT/JP2013/050379 JP2013050379W WO2013161330A1 WO 2013161330 A1 WO2013161330 A1 WO 2013161330A1 JP 2013050379 W JP2013050379 W JP 2013050379W WO 2013161330 A1 WO2013161330 A1 WO 2013161330A1
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WO
WIPO (PCT)
Prior art keywords
workpiece
jig
machining head
guide
machining
Prior art date
Application number
PCT/JP2013/050379
Other languages
English (en)
Japanese (ja)
Inventor
▲祐▼紀 山浦
大樹 酒井
一秀 伊藤
拓洋 大島
慎二 風間
砂原　俊介
Original Assignee
本田技研工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to JP2014512378A priority Critical patent/JP5777807B2/ja
Publication of WO2013161330A1 publication Critical patent/WO2013161330A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
    • 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
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/02—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station
    • B23Q39/021—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like
    • B23Q39/022—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with same working direction of toolheads on same workholder
    • B23Q39/024—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with same working direction of toolheads on same workholder consecutive working of toolheads
    • 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
    • B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
    • B23Q41/02—Features relating to transfer of work between 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
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
    • B23Q7/047—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers the gripper supporting the workpiece during machining
    • 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
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
    • B23Q7/1405—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with a series disposition of similar working devices

Definitions

  • the present invention relates to a machine tool including a workpiece conveyance jig for conveying a workpiece and a machining head for machining the workpiece.
  • a machine tool having a multi-axis machining head having a plurality of tools in one machining head is known (for example, see Patent Document 1).
  • FIG. 21 is a diagram for explaining the basic principle of a machine tool according to the prior art, and the machine tool 200 includes a processing unit 201 and a clamp unit 203 on a transfer line 202.
  • the machining unit 201 multi-axis machining heads 206 are provided at the tips of the six arms 205 of the rotation index 204, respectively.
  • the work 209 is attached to the turntable 207 via the jig 208, and the work 209 is processed by bringing the multi-axis processing head 206 close to the work 209.
  • the workpiece 209 can be machined in a plurality of steps by rotating the rotation index 204 and using different multi-axis machining heads 206.
  • the rotation index 204 is repeatedly started and stopped every 60 °.
  • the stopping accuracy needs to be sufficiently increased in order to affect the processing accuracy.
  • the rotation index 204 is heavy and has a large moment of inertia, so that the stop position tends to shift.
  • advanced feedback control is indispensable, which increases the cost of the entire apparatus.
  • the multi-axis machining head 206 is heavy, if a plurality of multi-axis machining heads are rotated with a rotation index, energy consumption increases and running cost increases. That is, there is a need for a machine tool that can simplify the structure of the apparatus, reduce the cost of the entire apparatus, and reduce the running cost.
  • An object of the present invention is to provide a machine tool that has a simple structure of the apparatus, can reduce the cost of the entire apparatus, and can reduce running costs.
  • a machine tool comprising: a workpiece conveying jig which is slidably provided on a gantry and conveys a workpiece; and a machining head which is fixed to the gantry and is attached to the workpiece conveying jig.
  • a power source for moving the workpiece conveying jig to a position facing the machining head, and a workpiece moving mechanism provided in the workpiece conveying jig for machining the workpiece portion of the workpiece close to the machining head A machine tool is provided.
  • a tool that is mounted downward on the processing head and processes the workpiece
  • a guide post that is provided on either the workpiece transfer jig or the processing head and extends in the vertical direction
  • the workpiece transfer A guide bush that is provided on either the jig or the machining head and through which the guide post is inserted, and the workpiece conveyance jig is raised so that the workpiece conveyance jig is connected to the machining head so that the workpiece can be raised and lowered.
  • the workpiece attached to the conveying jig is machined with a tool.
  • the workpiece conveyance jig is suspended from the gantry via a slide mechanism that slides the gantry, and the workpiece moving mechanism is vertically moved between the slide mechanism and the workpiece conveyance jig.
  • the workpiece conveying jig is lifted when the rod is extended and retracted, and the rod is retracted.
  • the power source is provided in the workpiece conveyance jig and causes the workpiece conveyance jig to self-propell.
  • the guide post and the guide bush constitute a positioning mechanism for positioning the machining head and the workpiece conveying jig
  • the machining head includes a plurality of spindles that respectively hold a plurality of tools
  • the machining head is provided with a number of tools necessary for at least two machining operations performed by raising the workpiece conveying jig to which the machining head is attached via the spindle.
  • a power source for moving the workpiece conveyance jig to a position facing the machining head, and a workpiece movement that is provided on the workpiece conveyance jig and moves the workpiece portion closer to the machining head It consists of a mechanism.
  • the workpiece transfer jig is moved to a position facing the machining head with a power source, and the workpiece transfer mechanism is provided in the workpiece conveyance jig.
  • this In the invention a complicated index mechanism is not required, the structure of the apparatus is simple, and the cost of the entire apparatus can be reduced.
  • the present invention provides the workpiece moving mechanism for one workpiece conveying jig, so that the structure of the apparatus can be simplified. And the cost of the entire apparatus can be reduced. Furthermore, if a plurality of heavy machining heads are exchanged with an exchange mechanism, the energy consumption increases. However, in the present invention, since only the workpiece conveying jig is moved, the energy consumption can be reduced and the running cost can be reduced.
  • tool or a machining head is inserted.
  • tool is suspended by the mount via the slide mechanism which slides a mount, and a to-be-processed part moving mechanism extends up and down to a slide mechanism and a workpiece transfer jig, and advances / retreats. It is connected via an advance / retreat rod. Since the work part moving mechanism is simply the advance / retreat rod connected to the slide mechanism, the work part moving mechanism can have a simple structure.
  • a power source is provided in a workpiece conveyance jig
  • tool raises is provided in the process head via the spindle. Since the processing head is provided with tools necessary for at least two processings, after the first processing is performed on the workpiece by the processing head, the workpiece conveying jig is moved, and the second processing is performed on the workpiece by the same processing head. Processing can be performed. As a result, the number of processes that can be performed by one machining head can be increased to a plurality, and the space for the machine tool can be saved.
  • FIG. 1 is a front view of a machine tool according to a first embodiment.
  • FIG. 2 is a cross-sectional view taken along line 2-2 of FIG.
  • FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 1 is a plan view of a machine tool according to Embodiment 1.
  • FIG. It is a figure explaining the movement process of a workpiece conveyance jig. It is a figure explaining a processing process. It is a figure explaining the case where two workpieces are processed at once by one processing head. It is a figure explaining the case where it processes twice on one workpiece
  • 6 is a cross-sectional view of a machine tool according to Embodiment 2.
  • FIG. 10 is a cross-sectional view taken along line 10-10 in FIG.
  • FIG. 10 is an operation diagram of the machine tool according to the second embodiment. It is a figure explaining the other aspect of the machine tool which concerns on Example 2.
  • FIG. It is a figure explaining the positional relationship of the guide post of another aspect of Example 2, and a guide bush. It is a figure explaining an eccentric bush. It is a figure explaining the further another aspect of the machine tool which concerns on Example 2.
  • FIG. It is a figure explaining the positional relationship of the guide post of another another aspect of Example 2, and a guide bush.
  • 6 is a cross-sectional view of a machine tool according to Embodiment 3.
  • FIG. FIG. 18 is an enlarged view of a region 18 in FIG. 17.
  • FIG. 18 is a cross-sectional view taken along line 19 in FIG. 17.
  • FIG. 10 is an operation diagram of the machine tool according to the third embodiment. It is a figure explaining the basic principle of the machine tool which concerns on a prior art.
  • the machine tool 10 includes a base 11, a support 12 standing on the support 11, a beam 13 provided on the upper end of the support 12, and the beam 13.
  • a gantry 14 provided below, a machining head 20 provided on the gantry 14 for machining the workpiece 15, a guide post 21 extending downward from the machining head 20, a rail 16 and a rack 17 provided along the gantry 14
  • a slide mechanism 30 slidably provided on the rails 16 and the rack 17, a workpiece transfer jig 40 that is suspended by the slide mechanism 30 and transfers the workpiece 15, and a chip provided below the processing head 20.
  • a recovery unit 18 for recovering the cutting fluid.
  • the slide mechanism 30 is provided integrally with the work conveying jig 40.
  • the slide mechanism 30 includes a slide main body 31, a power source 32 provided on the slide main body 31 for self-propelling the work conveyance jig 40, and suspended from the slide main body 31 so that the work conveyance jig 40 can be moved up and down. And a support rod 33 for supporting.
  • the workpiece conveying jig 40 includes a jig main body 41, a support bush 42 provided in the jig main body 41 and through which the support rod 33 is inserted, and a guide post 21 provided in the jig main body 41 through which the guide post 21 is inserted.
  • a guide bush 43 and a workpiece moving mechanism 50 that is provided in the jig main body 41 and moves the workpiece 15 of the workpiece 15 closer to the machining head.
  • a stopper piece 34 is provided at the lower end of the support rod 33, and when the stopper piece 34 abuts against the jig body 41, the downward movement of the workpiece conveying jig 40 is restricted.
  • the workpiece moving mechanism 50 includes a cylinder 51 provided in the jig main body 41 and an advancing / retracting rod 52 extending from the cylinder 51 and connected to the slide mechanism 30.
  • the workpiece transfer jig 40 is raised.
  • the workpiece 15 is brought close to the machining head 20 and the part to be machined of the workpiece 15 is machined.
  • the positioning mechanism 22 for positioning the workpiece conveyance jig 40 on the machining head 20 includes a guide post 21 provided on the machining head 20 and a guide bush 43 provided on the workpiece conveyance jig 40.
  • the workpiece transfer jig 40 is raised by the workpiece moving mechanism 50 and the guide post 21 is inserted into the guide bush 43, whereby the workpiece transfer jig 40 is positioned.
  • the machining head 20 includes a machining head main body 23, a spindle 25 that is provided below the machining head main body 23 and holds a tool 24, and a machining head that is provided above the machining head main body 23 and drives the spindle.
  • the machining head 20 is fixed to the beam 13 spanned between the columns 12 and 12 by a fixing member 27.
  • the guide post 21 is provided on the machining head 20 and the guide bush 43 is provided on the workpiece conveying jig 40.
  • the present invention is not limited to this, and the machining head 20 is moved upward by raising the workpiece conveying jig. If the workpiece conveying jig 40 is connected and positioned, the processing head 20 may be provided with a guide bush and the workpiece conveying jig 40 may be provided with a guide post.
  • the slide mechanism 30 includes a slide main body 31, a pinion 36 that is rotatably provided on the slide main body 31 via a first shaft 35 and meshes with the rack 17, and a first shaft 35.
  • the first wheel 37 (FIG. 2) mounted on the rail 16 (FIG. 2), the power source 32 provided on the slide main body 31 for driving the pinion 36, and the second shaft 38 on the slide main body 31.
  • a second wheel 39 mounted on the rail 16 so as to be freely rotatable.
  • the slide mechanism 30 can be moved by driving the power source 32 and rotating the pin-on 36 by an arbitrary amount.
  • a workpiece loading unit 53 for loading the workpiece 15 is provided on the right side of the machine tool 10.
  • a workpiece processing unit 54 in which a plurality of processing heads 20 are arranged is provided on the left side of the workpiece input unit 53 in the figure.
  • Two workpieces 15 and 15 are placed on the workpiece conveying jig 40.
  • the workpiece conveying jig 40 is moved to the left in the figure, and the workpieces 15 and 15 are sequentially processed by the workpiece processing units 54.
  • the workpiece 15 is set on the workpiece conveyance jig 40 as indicated by an arrow (1) by the workpiece loading unit 53.
  • the workpiece conveyance jig 40 is moved as shown by the arrow (2).
  • the workpiece moving mechanism 50 is operated, and the workpiece transfer jig 40 is raised as shown by the arrow (3).
  • the guide post 21 is first inserted into the guide bush 43, and the workpiece conveyance jig 40 is positioned on the machining head 20.
  • the positioned workpiece transfer jig 40 is further raised as indicated by an arrow (4).
  • FIG. 7A the two workpieces 15 are arranged on the left and right with respect to the traveling direction of the workpiece conveyance jig 40.
  • the work conveyance jig 40 is moved as shown by an arrow (7).
  • the entire two workpieces 15 are placed under the first machining head 20, and the two workpieces 15 are machined at a time.
  • the work conveying jig 40 is moved as indicated by an arrow (8).
  • the entire two workpieces 15 are placed under the second machining head 20, and the next machining is performed on the two workpieces 15 at a time.
  • the work conveying jig 40 is moved as indicated by an arrow (9). As a result, two workpieces can be processed at a time.
  • FIG. 8A the two workpieces 15 are arranged forward and backward with respect to the traveling direction of the workpiece conveyance jig 40.
  • the work conveying jig 40 is moved as indicated by an arrow (10).
  • the two workpieces 15 are moved under the first machining head 20 as a whole. That is, the front workpiece 15 is moved under the front tool 24 of the first machining head 20.
  • the rear workpiece 15 is moved under the tool 24 on the rear side of the first machining head.
  • two types of processing can be performed with one processing head 20.
  • the workpiece conveying jig 40 is moved as indicated by an arrow (12).
  • the front work 15 is detached from the first machining head 20.
  • the rear workpiece 15 is moved under the front tool 24 of the first machining head 20.
  • different types of machining can be performed on the rear workpiece 15 with the first machining head 20.
  • the work conveying jig 40 is moved as indicated by an arrow (13), and processing by the second processing head 20 is performed.
  • the machine tool 10 includes a biasing means 60 that biases the guide post 21 to the inner peripheral surface 44 of the hole of the guide bush 43.
  • the urging means 60 has an inclination mechanism 61 (see FIG. 10) for inclining the machining head 20 with respect to the gantry 14.
  • the tilt mechanism 61 includes a tilt shaft 62 that is provided below the processing head main body 23 and rotatably supports the processing head 20, and a bearing 63 that is provided on the gantry 14 and supports the tilt shaft 62.
  • the processing head 20 is disposed in a through hole 64 provided in the gantry 14.
  • the width of the through hole 64 is larger than the width of the lower part of the processing head main body 23.
  • a gap 65 is provided between the through hole 64 and the processing head main body 23.
  • the machining head 20 is tilted about the tilt axis 62.
  • the side of the processing head main body portion 23 abuts against the inner wall of the through hole 64, whereby the inclination of the processing head 20 is regulated.
  • Reference numeral 66 is a vertical line
  • reference numeral 67 is a parallel line parallel to the guide post 21.
  • the inclination angle between the vertical line 66 and the parallel line 67 is A. That is, the inclination angle of the machining head 20 with respect to the vertical line 66 is A. Note that the axes of the parallel lines 67, the guide posts 21, and the tool 24 are parallel.
  • a recess 71 is provided in the gantry 14, and an elastic body 72 is provided in the recess 71.
  • An arm 73 is provided in the processing head main body 23, and the arm 73 is biased by the elastic body 72. As a result, the guide post 21 is biased in a tilting direction.
  • the guide post 21 is inclined at an inclination angle A.
  • the workpiece conveyance jig 40 is raised as shown by an arrow (14).
  • the tapered portion 28 at the tip of the guide post 21 is inserted into the guide bush 43, and the guide post 21 is moved as indicated by an arrow (15).
  • the arm portion 73 is biased by the elastic body 72 with a force F1.
  • the guide post 21 is inserted into the guide bush 43. As shown in FIG. The guide post 21 is urged against the inner peripheral surface 44 of the guide bush 43 by a force F2. In this state, when the workpiece conveying jig 40 is raised and the workpiece is machined by the machining head 20, chatter due to machining can be reduced.
  • the biasing means 80 includes a plurality of guide posts 21 and 21 and guide bushes 43 and 43 through which the plurality of guide posts 21 and 21 are inserted.
  • the distance between the centers of the two guide bushes 43, 43 is L1.
  • the distance between the centers of the two guide posts 21 and 21 is L2.
  • L1 ⁇ L2, and the distance between the outermost sides of the guide posts 21 and 21 is larger than the outermost distance between the holes of the guide bushes 43 and 43.
  • the guide posts 21 and 21 are inserted into the two guide bushes 43 and 43, respectively. Since the distance between the outermost sides of the guide posts 21 and 21 is larger than the outermost distance between the holes of the guide bushes 43 and 43 in the state before the guide posts 21 and 21 are inserted, the guide posts 21 and 21 guide the guide posts 21 and 21.
  • the inner peripheral surfaces 44, 44 of the bushes 43, 43 are urged by a force F3. In this state, when the workpiece transfer jig 40 is raised and the workpiece is processed by the processing head 20, chatter due to the processing can be reduced.
  • FIG. 13A is a diagram showing the distance relationship between the guide post 220 and the hole of the guide bush 221 of the comparative example.
  • the outer diameter of the guide post 220 is d1
  • the inner diameter of the hole of the guide bush 221 is D1
  • d1 ⁇ D1 the distance between the centers of the two guide posts 220 and 220
  • L1 the distance between the centers of the holes of the two guide bushes 221 is L1, which is equal.
  • FIG. 13B is a diagram showing a distance relationship between the guide posts 21 and 21 and the holes of the guide bushes 43 and 43 shown in another embodiment of the second embodiment.
  • the outer diameter of the guide posts 21 and 21 is d1, and the inner diameter of the holes of the guide bushes 43 and 43 is D1, and d1 ⁇ D1.
  • the distance between the centers of the two guide posts 21 and 21 is L2, and the distance between the centers of the holes of the two guide bushes 43 and 43 is L1, and L1 ⁇ L2. Since the distance between the outermost sides of the guide posts 21 and 21 is larger than the outermost distance between the holes of the guide bushes 43 and 43, the inner peripheral surfaces 44 and 44 of the guide bushes 43 and 43 are formed by the guide posts 21 and 21. Is energized.
  • FIG. 13 (c) is a diagram showing the distance relationship between the guide posts 21 and 21 and the holes of the guide bushes 43 and 43, showing a modification of another embodiment of the second embodiment.
  • the outer diameter of the guide posts 21 and 21 is d1
  • the inner diameter of the holes of the guide bushes 43 and 43 is D1, and d1 ⁇ D1.
  • the distance between the centers of the two guide posts 21 and 21 is L3, and the distance between the centers of the holes of the two guide bushes 43 and 43 is L1, and L3 ⁇ L1. Since the innermost distance between the guide posts 21 and 21 is smaller than the innermost distance between the holes of the guide bushes 43 and 43, the inner peripheral surfaces 44 and 44 of the guide bushes 43 and 43 are formed by the guide posts 21 and 21. Is energized.
  • an eccentric bush 82 is provided at the proximal end portion 81 of the guide post 21 so as to be eccentric so that the guide posts 21 come closer to each other by being biased by the guide bush 43 (FIG. 12).
  • the center of the eccentric bush 82 before insertion of the guide post 21 into the guide bush 43 is a center line 83
  • the center of the eccentric bush 82 after insertion of the guide post 21 is a center line 84.
  • FIG. 15 is an enlarged view around the guide bush 43, and the urging means 90 is provided on a part of the inner peripheral surface 44 of the hole of the guide bush 43.
  • the urging means 90 includes a notch 91 provided in the guide bush 43, a pressing part 92 that is movably provided in the notch 91 and moves in the radial direction of the hole of the guide bush 43, and a jig body.
  • 41 includes a bolt 93 that presses the pressing portion 92, and a receiving member 94 that is provided in the notch portion 91 so as to face the bolt 93 and receives the pressing portion 92.
  • the operation of the machine tool according to another aspect of the second embodiment described above will be described next.
  • the pressing portion 92 moves in the radial direction of the hole of the guide bush 43.
  • the guide post 21 is urged by the pressing portion 92 with a force F4.
  • the receiving member 94 is an elastic body.
  • FIG. 16A is a diagram showing the distance relationship between the guide post 220 and the hole of the guide bush 221 of the comparative example.
  • the outer diameter of the guide post 220 is d1
  • the inner diameter of the hole of the guide bush 221 is D1
  • d1 ⁇ D1 the distance between the centers of the two guide posts 220 and 220
  • L1 the distance between the centers of the holes of the two guide bushes 221 is L1, which is equal.
  • FIG. 16B is a diagram showing a distance relationship between the guide posts 21 and 21 and the holes of the guide bushes 43 and 43 shown in still another embodiment of the second embodiment.
  • the outer diameter of the guide posts 21 and 21 is d1
  • the inner diameter of the holes of the guide bushes 43 and 43 is D1, and d1 ⁇ D1.
  • the distance between the centers of the two guide posts 21 and 21 is L1
  • the distance between the centers of the holes of the two guide bushes 43 and 43 is L4, and L4 ⁇ L1. Since the distance between the outermost sides of the guide posts 21 and 21 is larger than the outermost distance between the holes of the guide bushes 43 and 43, the inner peripheral surfaces 44 and 44 of the guide bushes 43 and 43 are formed by the guide posts 21 and 21. Is energized.
  • FIG. 16 (c) is a diagram showing a distance relationship between the guide posts 21 and 21 and the holes of the guide bushes 43 and 43, which shows a modification in yet another aspect of the second embodiment.
  • the outer diameter of the guide posts 21 and 21 is d1
  • the inner diameter of the holes of the guide bushes 43 and 43 is D1, and d1 ⁇ D1.
  • the distance between the centers of the two guide posts 21 and 21 is L1
  • the distance between the centers of the holes of the two guide bushes 43 and 43 is L5, and L1 ⁇ L5. Since the innermost distance between the guide posts 21 and 21 is smaller than the innermost distance between the holes of the guide bushes 43 and 43, the inner peripheral surfaces 44 and 44 of the guide bushes 43 and 43 are formed by the guide posts 21 and 21. Is energized.
  • the machining head 20 includes a machining head main body 23, a spindle 25 that is provided below the machining head main body 23 and holds a tool 24, and a gear box 100.
  • the workpiece conveying jig 40 includes a machining power source 101 that is provided in the jig body 41 and drives the machining head 20, a spline shaft 102 that extends upward from the machining power source 101 and rotates, and an upper end of the spline shaft 102. And a connecting portion 110 connected to the gear box 100 and an elastic member 103 provided so as to surround the spline shaft 102 in the machining power source 101 and biasing the connecting portion 110 upward.
  • the gear box 100 includes a case portion 104, a driven gear 106 provided on the case portion 104 and rotatably provided via a driven shaft 105, and a bearing portion 107 provided on an upper portion of the case portion 104 and receiving a connection portion 110. Consists of.
  • the connecting portion 110 includes a drive gear 111 that meshes with a driven gear 106 that is movably provided along the spline shaft 102, a lower thrust bearing 112 that is provided below the drive gear 111, and a drive gear.
  • the clip member 113 is provided at 111 and holds the lower thrust bearing 112, and the upper thrust bearing 114 is provided above the drive gear 111.
  • a recess 115 is provided in the lower thrust bearing 112, and the elastic member 103 contacts the recess 115.
  • the drive gear 111 is biased upward by the elastic member 103.
  • the spline shaft 102 is inserted through the receiving portion 107.
  • the upper thrust bearing 114 is in contact with the cradle 108.
  • a spline portion 116 is provided on the outer periphery of the spline shaft 102.
  • the drive gear 111 is provided with a spline groove 117 that receives the spline portion 116.
  • the drive gear 111 rotates integrally with the spline shaft 102, but can move along the axial direction of the spline shaft 102.
  • the connecting portion 110 is also raised as shown by the arrow (16).
  • the guide post 21 is inserted into the guide bush 43, and the workpiece conveying jig 40 is positioned on the machining head 20.
  • the connecting portion 110 is connected to the gear box 100 and the driven gear 106 is engaged with the driving gear 111.
  • the spline shaft 102 passes through the case portion 104, and the drive gear 111 is kept engaged with the driven gear 106.
  • the power of the machining power source 101 is transmitted to the machining head 20, and the workpiece 15 is machined by the machining head 20.
  • a workpiece conveying jig 40 that is slidably provided on the gantry 14 and conveys the workpiece 15, and a workpiece that is fixed to the gantry 14 and attached to the workpiece conveying jig 40.
  • a power source 32 that moves the workpiece conveyance jig 40 to a position facing the machining head 20, and a portion to be processed of the workpiece 15 provided on the workpiece conveyance jig 40 to the machining head 20.
  • a workpiece moving mechanism 50 that processes the workpieces close to each other.
  • the present invention does not require a complicated index mechanism, and the structure of the apparatus is simple and the cost of the entire apparatus can be reduced.
  • the workpiece moving mechanism 50 is provided in one workpiece conveyance jig 40, so The structure can be simplified and the cost of the entire apparatus can be reduced. Furthermore, if a plurality of heavy machining heads are replaced with an exchange mechanism, the energy consumption increases. However, in the present invention, since only the workpiece conveying jig 40 is moved, the energy consumption can be suppressed and the running cost can be suppressed. .
  • a tool 24 that is mounted downward on the machining head 20 to machine the workpiece 15, a guide post 21 that is provided on either the workpiece conveying jig 40 or the machining head 20 and extends in the vertical direction, A guide bush 43 provided on either the workpiece conveying jig 40 or the processing head 20 and through which the guide post 21 is inserted is provided.
  • the workpiece conveying jig 40 is raised, the workpiece conveying jig 40 is moved to the machining head 20. 40 is connected to be movable up and down, and the workpiece 15 attached to the workpiece conveying jig 40 is processed by the tool 24.
  • the workpiece conveyance jig 40 is suspended from the gantry 14 via a slide mechanism 30 that slides the gantry 14, and the workpiece movement mechanism 50 includes the slide mechanism 30, the workpiece conveyance jig 40, and the like.
  • the workpiece conveying jig 40 is lifted when the advance / retreat rod 52 is retracted.
  • This configuration allows the workpiece moving mechanism 50 to have a simple structure since the workpiece moving mechanism 50 is simply connected to the slide mechanism 30 with the advance / retreat rod 52.
  • the power source 32 is provided in the workpiece conveyance jig 40 and causes the workpiece conveyance jig 40 to self-run.
  • the structure of the apparatus can be simplified and the cost of the entire apparatus can be further reduced as compared with the case where the power source 32 is provided for each of the plurality of machining heads 20. be able to.
  • the guide post 21 and the guide bush 43 constitute a positioning mechanism 22 that positions the machining head 20 and the workpiece conveying jig 40, and the machining head 20 has a plurality of tools 24 each holding a plurality of tools 24.
  • the number of tools 24 required for at least two machining operations performed by raising the workpiece conveying jig 40 to which the workpiece 15 is attached is provided on the machining head 20 via the spindle 25. ing.
  • the processing head 20 is provided with the tool 24 necessary for processing at least twice, so that the workpiece transport jig 40 is moved after the processing head 20 performs the first processing on the workpiece 15,
  • the workpiece 15 can be subjected to the second machining by the same machining head 20.
  • the number of steps that can be performed by one machining head 20 can be increased to a plurality, and space saving of the machine tool can be achieved.
  • the machine tool 10 of the present invention has a configuration in which the workpiece transfer device 40 is moved up and down by the workpiece moving mechanism 50.
  • the present invention is not limited to this, and if the workpiece 15 is positioned on the machining head, the workpiece 15 is moved. However, there is no problem even if the workpiece 15 is machined by the machining head 20 by moving up and down only.
  • the slide mechanism 30 is configured by the pinion 36 and the rack 17.
  • the configuration is not limited to this, and other configurations such as a configuration in which the wheels 37 and 39 are mounted on the rail 16 are possible as long as the movement of the workpiece conveying jig 40 can be controlled. There is no problem.
  • the machine tool of the present invention is suitable for a machine tool that processes a workpiece by bringing a workpiece transfer jig closer to the processing head.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Feeding Of Workpieces (AREA)
  • Drilling And Boring (AREA)

Abstract

La présente invention concerne une machine d'usinage (10) pourvue : d'une plateforme (11) ; d'une colonne de support (12) ; d'une poutre (13) ; d'un socle (14) prévu sous la poutre (13) ; d'une tête d'usinage (20) permettant d'usiner une pièce (15), la tête d'usinage (20) étant prévue au niveau du socle (14) ; d'une colonne de guidage (21) s'étendant vers le bas depuis la tête d'usinage (20) ; d'un rail (16) et d'une crémaillère (17) prévus le long du socle (14) ; d'un mécanisme coulissant (30) prévu de manière coulissante au niveau du rail (16) et de la crémaillère (17) ; et d'une monture de transport de pièce (40) permettant de transporter la pièce (15), la monture de transport de pièce (40) étant suspendue au mécanisme coulissant (30).
PCT/JP2013/050379 2012-04-26 2013-01-11 Machine d'usinage WO2013161330A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014512378A JP5777807B2 (ja) 2012-04-26 2013-01-11 工作機械

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012101520 2012-04-26
JP2012-101520 2012-04-26

Publications (1)

Publication Number Publication Date
WO2013161330A1 true WO2013161330A1 (fr) 2013-10-31

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Country Link
JP (1) JP5777807B2 (fr)
WO (1) WO2013161330A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150336180A1 (en) * 2013-02-06 2015-11-26 Aircelle Device for drilling an acoustic component, casette, acoustic drilling method and method of manufacturing an acoustic component
CN108857424A (zh) * 2018-07-08 2018-11-23 张健 一种船用地板扣底盘的自动加工装置
CN108907847A (zh) * 2018-06-15 2018-11-30 昆山科森科技股份有限公司 具有自动上下料功能的一体化设备
CN109822127A (zh) * 2019-02-28 2019-05-31 滁州精峰机电科技有限公司 一种冷柜底板钣金成型线
JP2020172098A (ja) * 2019-04-08 2020-10-22 深▲せん▼市▲ぶん▼逸水晶有限公司 水晶玉穴開け装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108115168A (zh) * 2018-01-31 2018-06-05 福建省顺成数控设备有限公司 一种双边钻孔机

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US2824471A (en) * 1954-06-08 1958-02-25 Gang Driller Machine Works Inc Multi-spindle drilling machine with individual spindle having universal adjustment in a plane
JPS5657708U (fr) * 1979-10-08 1981-05-18
JPH03117513U (fr) * 1990-03-15 1991-12-04
JPH0475809A (ja) * 1990-07-18 1992-03-10 Miyagawa Kogyo Kk スプライスプレートの自動面取り方法およびその装置
JPH0463307U (fr) * 1990-10-11 1992-05-29
JP2011110622A (ja) * 2009-11-24 2011-06-09 Toyo Seiki Kogyo Co Ltd 生産ラインおよび工作機械

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2824471A (en) * 1954-06-08 1958-02-25 Gang Driller Machine Works Inc Multi-spindle drilling machine with individual spindle having universal adjustment in a plane
JPS5657708U (fr) * 1979-10-08 1981-05-18
JPH03117513U (fr) * 1990-03-15 1991-12-04
JPH0475809A (ja) * 1990-07-18 1992-03-10 Miyagawa Kogyo Kk スプライスプレートの自動面取り方法およびその装置
JPH0463307U (fr) * 1990-10-11 1992-05-29
JP2011110622A (ja) * 2009-11-24 2011-06-09 Toyo Seiki Kogyo Co Ltd 生産ラインおよび工作機械

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150336180A1 (en) * 2013-02-06 2015-11-26 Aircelle Device for drilling an acoustic component, casette, acoustic drilling method and method of manufacturing an acoustic component
US10189095B2 (en) * 2013-02-06 2019-01-29 Aircelle Device for drilling an acoustic component, cassette, acoustic drilling method and method of manufacturing an acoustic component
CN108907847A (zh) * 2018-06-15 2018-11-30 昆山科森科技股份有限公司 具有自动上下料功能的一体化设备
CN108907847B (zh) * 2018-06-15 2020-05-08 昆山科森科技股份有限公司 具有自动上下料功能的一体化设备
CN108857424A (zh) * 2018-07-08 2018-11-23 张健 一种船用地板扣底盘的自动加工装置
CN109822127A (zh) * 2019-02-28 2019-05-31 滁州精峰机电科技有限公司 一种冷柜底板钣金成型线
JP2020172098A (ja) * 2019-04-08 2020-10-22 深▲せん▼市▲ぶん▼逸水晶有限公司 水晶玉穴開け装置

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JPWO2013161330A1 (ja) 2015-12-24

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