Index processing machine

Abstract

To provide a multi-shaft processing machine which has a small installation area, has high versatility and can shorten cycle time.SOLUTION: An index processing machine 10 has an index table 13 having a plurality of indexing positions 3 to 6, where one or more processing machines selected from a group consisting of front processing machines 20, 204, 205 and 206 which have front unit processing machines 401 to 404 vertically and horizontally moving from a center 1 of rotation of the index table 13 toward indexing positions and are arranged at the front, upper processing machines 60, 604 and 606 which have longitudinally and horizontally moving upper processing machines 405 and 406 and are arranged above a workpiece 2, and side processing machines 80, 804 and 806 having longitudinally and vertically moving side unit processing machines 407 and 408 are arranged in each of at least two indexing positions 3 to 6.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to an indexing machine. [Background technology]

[0002] A drilling machine for printed wiring boards having multiple drilling stations is known (for example, JP-A-2005-525245, hereinafter referred to as Patent Document 1). This drilling machine has multiple drilling operation units, each of which is assembled in a line next to another, that are adjustable relative to one another in a first direction, and an individual table that is adjustable in a second direction. Summary of the Invention [Problem to be solved by the invention]

[0003] When drilling multiple holes simultaneously with the drilling machine of Patent Document 1, each station requires an installation area at least twice the size of the table. The table is larger than the area of ​​the workpiece. Therefore, the larger the workpiece size and the number of simultaneous machining axes, the larger the installation area becomes.

[0004] An object of the present invention is to provide a multi-axis indexing machine that has a small installation area, is highly versatile, and can shorten the cycle time. [Means for solving the problem]

[0005] A first aspect of the present invention is an index table having a rotation center and capable of mounting workpieces at a plurality of index positions; A front processing machine arranged in front of the index position from the rotation center, A pair of front upper and lower guides arranged on the left and right sides; a first front beam that is stretched between the pair of front upper and lower guides and is movable up and down; a pair of first front left and right guides disposed on the first front beam; A first front unit processing machine, a first front unit body disposed in the first front left and right guide and movable left and right; a first front spindle to which a tool bit is attached, the first front spindle being disposed in the first front unit body and capable of reciprocating in an axial direction; A first front unit processing machine having a front surface processing machine having An upper surface processing machine arranged above the workpiece from the rotation center toward the index position, a pair of upper surface front-rear guides disposed on the left and right and extending forward and backward; an upper beam that is stretched across the upper front-rear guide and is movable forward and backward; A pair of upper left and right guides disposed on the upper beam; A first upper surface unit processing machine, a first upper surface unit body disposed on the upper surface left and right guides and movable left and right; a first upper surface spindle to which a tool bit is attached, the first upper surface spindle being disposed in the first upper surface unit body and capable of reciprocating in an axial direction; A first upper surface unit processing machine having an upper surface processing machine having A side processing machine arranged on the side of the workpiece from the rotation center toward the index position, a pair of side front and rear guides arranged vertically and extending forward and backward; a movable column whose both ends are supported by the pair of side front and rear guides and which is movable forward and backward; A pair of upper and lower side guides arranged on the moving column; A first side surface unit processing machine, a first side unit body disposed on the pair of side upper and lower guides and movable up and down; a first side spindle to which a tool bit is attached, the first side spindle being disposed in the first side machining body and capable of reciprocating in an axial direction; a side unit processing machine having a side processing machine having One or more processing machines selected from the group consisting of are arranged at at least two index positions, It is an index processing machine.

[0006] The index table has, for example, 3 to 8 index positions. At a plurality of index positions other than the index positions where the workpiece is carried in and out, one or more of a front surface processing machine, a side surface processing machine, and an upper surface processing machine are arranged. A jig block may be arranged on the index table. Preferably, the jig block has the same number of workpiece mounting surfaces as the number of indexed surfaces of the index table. Each workpiece mounting surface is located in front when looking at the center of rotation of the index table from the index position. The workpiece is fixed to the workpiece mounting surface of the jig block.

[0007] The front spindle is arranged facing the workpiece. The front spindle is arranged in the front direction. Preferably, the front spindle extends back and forth from the rotation center of the index table toward the index position. A line extending from the rotation center of the index table toward the index position is called a reference line. Preferably, the front spindle is parallel to the reference line. Also, the front spindle extends horizontally. The front beam extends perpendicular to the reference line. The front beam extends horizontally. The front processing machine may be disposed at an angle from the reference line. For example, in a plan view, the front beam may be disposed at an angle from the reference line. In this case, the front main axis may be perpendicular to the obliquely disposed front beam. The front beam may be arranged perpendicular to the reference line and the front major axis may be tilted from the reference line.

[0008] The second front unit processing machine may be disposed below the first front beam, and the fourth front unit processing machine may be disposed above the second front beam. Preferably, the first front left / right moving feed device is disposed on the right side of the first front unit body, and the second front left / right moving feed device is disposed on the left side of the second front unit body. Preferably, the third front left / right moving feed device is disposed on the right side of the third front unit body, and the fourth front left / right moving feed device is disposed on the left side of the fourth front unit body.

[0009] The front processing machine is a front upper and lower fixed side feed device disposed on a support; a first front vertically movable feed device disposed on the first front beam and moving integrally with the first front beam in cooperation with the front vertically fixed feed device; a second front vertically movable feed device disposed on the second front beam and moving integrally with the second front beam in cooperation with the front vertically fixed feed device; It may have:

[0010] The front processing machine is a first front cable protection tube having a first fixed end disposed in the center of the first front beam and a first moving end disposed in the first front unit processing machine, extending to the right from the first fixed end, folding back in a U-shape and connecting to the first moving end; It may also have a second fixed end arranged in the center of the first front beam and a second moving end arranged in the second front unit processing machine, and a second front cable protection tube extending to the left from the second fixed end, folding back in a U-shape and connecting to the second moving end.

[0011] The front processing machine is a third front cable protection tube having a third fixed end disposed in the center of the second front beam and a third moving end disposed in the third front unit processing machine, extending to the right from the third fixed end, folding back in a U-shape and connecting to the third moving end; It may also have a fourth fixed end arranged in the center of the second front beam and a fourth moving end arranged in the fourth front unit processing machine, and a fourth front cable protection tube extending to the left from the fourth fixed end, folding back in a U-shape, and connecting to the fourth moving end.

[0012] Preferably, the upper beam is disposed perpendicular to the reference line, and is parallel to the front beam. Also, the upper beam is disposed horizontally. The upper surface processing machine may be disposed at an angle relative to the reference line. For example, in a plan view, the upper surface beam may be disposed at an angle relative to the reference line. Preferably, the top surface major axis extends vertically. The top surface major axis may extend at an angle from the top to the bottom.

[0013] The upper surface front-rear guide is disposed on the base. The base may have, for example, an upper surface fixed beam extending in the front-rear direction. The upper surface front-rear guide may be disposed on the upper surface fixed beam.

[0014] The upper surface processing machine further a first upper surface cable protection tube having a first fixed end disposed in the center of the upper surface beam and a first moving end disposed in the first upper surface unit processing machine, extending to the right from the first fixed end, folding back in a U-shape and connecting to the second moving end; It may also have a second fixed end located in the center of the upper beam, a second moving end located on the first upper unit processing machine, and a second upper cable protection tube extending to the left from the second fixed end, folding back in a U-shape, and connecting to the second moving end.

[0015] The side surface processing machine may be disposed at an angle relative to a reference line passing through the rotation center. For example, in a plan view, the moving column may be disposed at an angle relative to the reference line. The side surface unit processing machine may be disposed so that the side surface main shaft is inclined from the left and right direction.

[0016] The side front-rear guides are disposed on the base. The base may have, for example, side beams extending in the front-rear direction. The side front-rear guides and the side rail-side movement devices may be disposed on the side beams. When the first side surface processing machine is placed on the right side of the first index position from the center of rotation of the index table toward the index position, the first side surface processing machine is installed so as not to interfere with the front surface processing machine or the side surface processing machine placed at the index position adjacent to the first index position to the right. Furthermore, when a second side surface processing machine is placed on the left side of the first index position from the center of rotation of the index table toward the index position, the second side surface processing machine is installed so as not to interfere with the front surface processing machine or the side surface processing machine placed at the index position adjacent to the left of the first index position. For example, the side surface processing machine is installed at every other index position among a plurality of index positions.

[0017] The side spindle is disposed facing the workpiece. Preferably, the side spindle extends laterally from the rotation center of the index table toward the index position. The side spindle may extend at an angle from the left to the right. The moving column may be disposed at an angle in plan view. For example, the moving column may extend vertically, and the upper and lower side guides may be inclined relative to a reference line passing through the center of rotation in plan view.

[0018] The side processing machine further a first side cable protection tube having a first fixed end disposed in the center of the movable column and a first movable end disposed in the first side unit processing machine, the first side cable protection tube extending downward from the first fixed end, folding back in a U-shape and connecting to the second movable end; It may also have a second fixed end arranged in the center of the moving column and a second moving end arranged in the second upper surface unit processing machine, and a second side cable protection tube extending upward from the second fixed end, folding back in a U-shape and connecting to the second moving end.

[0019] The side surface processing machine may have a first side surface processing machine arranged on either the right or left side of the center of rotation of the index table toward the index position, and a second side surface processing machine arranged on the other side. The second side machine is substantially identical to the first side machine. Preferably, the first upper surface moving-side feed device is disposed on the right side of the first upper surface unit body, and the second upper surface moving-side feed device is disposed on the left side of the second upper surface unit body.

[0020] Preferably, the first side left / right moving feed device is disposed below the first side unit body, and the second side left / right moving feed device is disposed above the second side unit body.

[0021] The front left / right fixed side feed device and the front left / right movable side feed device, the top left / right fixed side feed device and the top left / right movable side feed device, or the side up / down fixed side feed device and the side up / down movable side feed device are, for example, a rack and pinion, or a fixed ball screw shaft and a rotating ball nut. [Effects of the Invention]

[0022] The indexing machine of the present invention has a small footprint, is highly versatile, and can reduce cycle time. [Brief explanation of the drawings]

[0023] [Figure 1] 1 is a perspective view of an indexing machine according to an embodiment of the present invention; [Figure 2] FIG. 1 is a plan view of an indexing machine according to an embodiment; [Figure 3] Front view of a front surface processing machine according to an embodiment [Figure 4] Cross section of line IV-IV in Figure 3 [Figure 5] Cross section of line V-V in Figure 3 [Figure 6] A longitudinal sectional view of a unit processing machine according to an embodiment. [Figure 7] Front view of the upper surface processing machine according to the embodiment [Figure 8] Cross section of Figure 7 taken along line VIII-VIII [Figure 9] Front view of a side processing machine according to an embodiment [Figure 10] Cross section of Figure 9 along line XX DETAILED DESCRIPTION OF THE INVENTION

[0024] As shown in Figures 1 and 2, the index processing machine 10 of this embodiment has an index table 13, and a plurality of processing machines selected from a front surface processing machine 20 (front surface processing machines 204-206), an upper surface processing machine 60 (upper surface processing machines 604, 606), and a side surface processing machine 80 (side surface processing machines 804, 806).

[0025] The index processing machine 10 may have a stand 11 and a jig block 15. The index table 13 has a plurality of index positions 3, 4, 5, and 6 (four in FIG. 1). In this embodiment, the index table 13 rotates around a rotation center 1 and is indexed in 90-degree increments. For example, the index position 3 is a carry-in and carry-out position. The index positions 4, 5, and 6 are processing positions. One or more processing machines, namely, front surface processing machine 20, top surface processing machine 60, and side surface processing machine 80, are arranged at index positions 4 to 6, which are processing positions. For example, front surface processing machine 204, top surface processing machine 604, and side surface processing machine 804 are arranged at index position 4. Front surface processing machine 205 is arranged at index position 5. Front surface processing machine 206, top surface processing machine 606, and side surface processing machine 806 are arranged at index position 6. Note that some of the index positions may be idle positions that do not have a processing machine. Hereinafter, the terms front, side, left and right, and front and rear will be referred to as the directions when viewed from the center of rotation 1 toward each index position.

[0026] The front surface processing machine 20 is disposed at the front surface and has front surface unit processing machines 401 to 404. The front surface unit processing machines 401 to 404 have front surface unit bodies 411 to 414 and front surface main shafts 531 to 534, respectively. Each of the front surface main shafts 531 to 534 extends toward the jig block 15. For example, each of the front surface main shafts 531 to 534 extends in the front-rear direction. The front surface processing machine 20 may have a front surface cover 39.

[0027] The top surface processing machine 60 is disposed above the workpiece 2 located at the index position. The top surface processing machine 60 has top surface unit processing machines 405, 406. The top surface unit processing machines 405, 406 have top surface unit bodies 415, 416 and top surface spindles 535, 536, respectively. Each of the top surface spindles 535, 536 extends toward the workpiece 2. For example, the top surface spindles 535, 536 extend vertically. The top surface processing machine 60 may have a top surface cover 77.

[0028] The side surface processing machine 80 is disposed to the side of the workpiece 2 located at index positions 4 and 6. The side surface processing machine 80 has side surface unit processing machines 407 and 408. The side surface unit processing machines 407 and 408 each have a side surface unit body 417 and 418 and a side surface main shaft 537 and 538. Each side surface main shaft 537 and 538 extends toward the workpiece 2. For example, when viewed from the rotation center 1 toward the index position, the side surface main shafts 537 and 538 extend to the left and right. The side surface processing machine 80 may have a side surface cover 96.

[0029] The jig block 15 has four workpiece mounting surfaces 15a around its periphery. Each workpiece mounting surface 15a faces the index positions 3 to 6. A workpiece 2 is mounted on each workpiece mounting surface 15a. The workpiece 2 has a front surface 2a, a top surface 2b, a right side surface 2c, and a left side surface 2d.

[0030] As shown in Figure 3, the front processing machine 20 has a pair of support pillars 21, a pair of upper and lower front guides 23, upper and lower front racks (upper and lower front fixed side feed devices) 27, a first front processing machine group 22, and a second front processing machine group 24.

[0031] The first front processing machine group 22 has a first front beam 251, a first front up and down moving side feed device 291, a pair of first front left and right guides 311, a first front unit processing machine 401, a first front left and right rack (first front left and right fixed side feed device) 331, a second front unit processing machine 402, a first front left and right moving side feed device 351, a second front left and right moving side feed device 352, a first front cable protection tube 371, and a second front cable protection tube 372.

[0032] The support columns 21 are fixed to the mount 11. As shown in Figures 3 and 4, the front vertical guides 23 extend vertically. The front vertical guides 23 are disposed on each support column 21. The front vertical guides 23 are, for example, linear guides. The front beam 251 spans between the pair of front vertical guides 23. The front beam 251 moves vertically.

[0033] The front vertical rack 27 extends vertically. The front vertical rack 27 is arranged on each support pillar 21. The first front vertical moving feed device 291 has a front vertical motor 29b and a front vertical pinion 29a. The front vertical motor 29b is fastened to the first front beam 251. The front vertical motor 29b has an output shaft 29c. The pinion 29a is fastened to the output shaft 29c. The pinion 29a meshes with the rack 27. The first front vertical moving feed device 291 moves vertically integrally with the first front beam 251. Preferably, the front vertical rack 27 and the first front vertical moving feed device 291 are disposed at both ends of the first front beam 251 .

[0034] As shown in Figures 3 and 5, a pair of first front left and right guides 311 extend left and right. The pair of first front left and right guides 311 are arranged side by side in front and behind on the underside of the first front beam 251. The first front left and right racks 331 are arranged on the first front beam 251. The first front left and right racks 331 extend left and right. The first front left and right racks 331 are arranged between the first front left and right guides 311. The first front unit processing machine 401 is arranged on the first front left and right guides 311. The first front unit processing machine 401 moves left and right. The first front unit processing machine 401 is suspended from the first front beam 251.

[0035] The first front left / right moving-side feed device 351 is arranged on the right side of the first front unit processing machine 401. The first front left / right moving-side feed device 351 has a first front left / right motor 35b and a first front left / right pinion 35a. The motor 35b has an output shaft 35c. The motor 35b is arranged in the first front unit body 411. The pinion 35a is fastened to the output shaft 35c. The pinion 35a meshes with the first front left / right rack 331. The first front left / right moving-side feed device 351 moves integrally with the first front unit processing machine 401.

[0036] The second front unit processing machine 402 is substantially identical to the first front unit processing machine 401, and is disposed on the left side of the first front unit processing machine 401. The second front left / right moving-side feed device 352 is substantially identical to the first front left / right moving-side feed device 351. However, the second front left / right moving-side feed device 352 is disposed on the left side of the second front unit processing machine 402.

[0037] The first front cable protection tube 371 has a first fixed end 37a1 and a first moving end 37b1. The first fixed end 37a1 is disposed toward the right of the center of the first front beam 251. The first moving end 37b1 is disposed on the first front unit body 411. The front cable protection tube 371 extends to the right from the first fixed end 37a1, bends back in a U-shape, and connects to the first moving end 37b1. The second front cable protection tube 372 has a second fixed end 37a2 and a second movable end 37b2. The second front cable protection tube 372 is disposed symmetrically with the first front cable protection tube 371 with respect to the center of the first front beam 251.

[0038] The second front processing machine group 24 has a second front beam 252, a second front left / right guide 312, a second front up / down moving side feed device 292, a third front unit processing machine 403, a fourth front unit processing machine 404, a second front left / right rack (second front left / right fixed side feed device) 332, a third front left / right moving side feed device 353, a fourth front left / right moving side feed device 354, a third front cable protection tube 373, and a fourth front cable protection tube 374.

[0039] The second front surface processing machine group 24 is disposed below the first front surface processing machine group 22. The second front surface processing machine group 24 has a structure symmetrical to the first front surface processing machine group 22 with respect to the horizontal plane. The front cover 39 is an expandable cover that covers the front vertical guide 23, the front vertical rack 27, the front vertical moving-side feed devices 291 and 292, the front beams 251 and 252, the front left and right guides 311 and 312, the front left and right racks 331 and 332, the front left and right moving-side feed devices 351 to 354, and the front cable protection tubes 371 to 374.

[0040] The front upper and lower racks 27 and the second front processing machine group 24 may be omitted. Also, of the first front processing machine group 22, the first front upper and lower moving-side feed device 291, the first front left and right rack 331, the second front unit processing machine 402, the first front left and right moving-side feed device 351, the second front left and right moving-side feed device 352, the first front cable protection tube 371, and the second front cable protection tube 372 may be omitted.

[0041] As shown in FIG. 6, the unit processing machine 40 has a body 41, a feed guide 43, a feed block 45, a ram 49, a main shaft 53, a drive shaft 55, bearings 52, 56, 48, a feed screw 47, a first toothed belt mechanism 57, a second toothed belt mechanism 58, a main shaft motor 44, and a feed motor 42.

[0042] The unit processing machine 40 is a collective term for the front surface unit processing machines 401 to 404, the top surface unit processing machines 405 and 406, and the side surface unit processing machines 407 and 408. The front surface unit processing machines 401 to 404, the top surface unit processing machines 405 and 406, and the side surface unit processing machines 407 and 408 all have the same structure as the unit processing machine 40. The body 41 is a collective term for the front surface unit bodies 411 to 414, the top surface unit bodies 415 and 416, and the side surface unit bodies 417 and 418. The spindle 53 is a collective term for the front surface spindles 531 to 534, the top surface spindles 535 and 536, and the side surface spindles 537 and 538.

[0043] The body 41 is box-shaped. The body 41 has a base plate 41a, a ram support portion 41b, a guide support surface 41d, a motor support portion 41c, and a ram guide hole 41e. The base plate 41a is disposed on a guide (for example, the first front left / right guide 311). A movable-side feed device (for example, the first front left / right movable-side feed device 351) is disposed on the base plate 41a.

[0044] The ram support portion 41b and the motor support portion 41c rise from the base plate 41a. The ram guide hole 41e extends along the main shaft 53 and is disposed in the ram support portion 41b. The feed guide 43 is disposed on the guide support surface 41d along the main shaft 53. The feed block 45 is disposed in the feed guide 43 and reciprocates along the feed guide 43. The ram 49 has a hollow structure. The ram 49 passes through the ram guide hole 41e and is coupled to the feed block 45. The main shaft 53 is supported inside the ram 49 via a bearing 52. The main shaft 53 is hollow and cylindrical, and has a spline hole 53a at its base end (the right end in FIG. 6).

[0045] The drive shaft 55 passes through the motor support part 41c. The base end of the drive shaft 55 is supported by the motor support part 41c via a bearing 56. The drive shaft 55 has a spline shaft 55a at its tip end (the left end in FIG. 6). The spline shaft 55a meshes with the spline hole 53a. The feed screw 47 has a screw shaft 47a and a nut 47b. The base end of the screw shaft 47a is supported by the motor support part 41c via a bearing 48. The nut 47b is fastened to the feed block 45. The main shaft motor 44 and the feed motor 42 are arranged side by side on the motor support part 41c. The main shaft motor 44 and the drive shaft 55 are powered by a first toothed belt mechanism 57. The feed motor 42 and the screw shaft 47a are powered by a second toothed belt mechanism 58. The drive shaft 55 may be directly connected to the spindle motor 44. The screw shaft 47a may be directly connected to the feed motor 42. Here, the drive shaft 55 and the spindle motor 44 are connected via a coupling. The screw shaft 47a and the feed motor 42 are connected via a coupling.

[0046] 7 and 8, the top surface processing machine 60 has a pair of top surface front-rear guides 62, an top surface beam 69, a pair of top surface left-right guides 71, and a first top surface unit processing machine 405. The top surface processing machine 60 may also have a front-rear frame 61, an top surface front-rear feed device 64, a second top surface unit processing machine 406, an top surface rack (top surface left-right fixed-side feed device) 73, a first top surface left-right movable-side feed device 751, a second top surface left-right movable-side feed device 752, a first top surface cable protection tube 791, and a second top surface cable protection tube 792.

[0047] The front-rear frame 61 is fixed to the mount 11. The upper surface front-rear guides 62 extend in the front-rear direction. The upper surface front-rear guides 62 are disposed on the front-rear frame 61. The upper surface beam 69 extends in the left-right direction. The upper surface beam 69 is disposed to span the pair of upper surface front-rear guides 62 and moves in the front-rear direction.

[0048] As shown in Figure 8, the upper surface longitudinal feed device 64 extends in the front-rear direction. The upper surface longitudinal feed device 64 is disposed on the front-rear frame 61. The upper surface longitudinal feed device 64 has an upper surface longitudinal motor 63, a feed screw 67, a coupling 65, and a bearing 68. The feed screw 67 has a screw shaft 67a and a nut 67b. The screw shaft 67a is supported on the front-rear frame 61 by the bearing 68. The nut 67b is fastened to an upper surface beam 69. The upper surface longitudinal motor 63 is supported on the front-rear frame 61 and connected to the feed screw 67 by the coupling 65. Preferably, the upper surface back-and-forth feed devices 64 are disposed at both ends of the upper surface beam 69 .

[0049] As shown in Figures 7 and 8, a pair of upper surface left and right guides 71 are arranged on the upper surface beam 69, lined up one above the other. Each upper surface left and right guide 71 extends left and right. For example, the upper surface left and right guides 71 are arranged in front of the upper surface beam 69. The first upper surface unit processing machine 405 is arranged on the upper surface left and right guides 71 and moves left and right. The upper surface left and right racks 73 are arranged on the upper surface beam 69. The upper surface left and right racks 73 extend left and right. The upper surface left and right racks 73 are arranged between the pair of upper surface left and right guides 71.

[0050] The first upper surface left-right moving-side feed device 751 has an upper surface left-right motor 75b and an upper surface left-right pinion 75a. The upper surface left-right motor 75b has an output shaft 75c. The upper surface left-right motor 75b is arranged on the first upper surface unit body 415. The upper surface left-right pinion 75a is fastened to the output shaft 75c and meshes with the upper surface left-right rack 73. The first upper surface left-right moving-side feed device 751 is arranged on the right side of the first upper surface unit processing machine 405. The first upper surface left-right moving-side feed device 751 moves integrally with the first upper surface unit processing machine 405.

[0051] The second upper surface unit processing machine 406 is disposed on the upper surface left / right guide 71 to the left of the first upper surface unit processing machine 405. The second upper surface left / right moving-side feed device 752 is substantially identical to the first upper surface left / right moving-side feed device 751, and is disposed on the left of the second upper surface unit processing machine 406.

[0052] The first top surface cable protection tube 791 is substantially identical to the first front surface cable protection tube 371. The second top surface cable protection tube 792 is substantially identical to the second front surface cable protection tube 372. The top cover 77 is an expandable cover that separates the top front-rear feed device 64, the top front-rear guide 62, the top beam 69, the top left-right guide 71, the top left-right rack 73, the top left-right movable feed devices 751 and 752, and the top cable protection tubes 791 and 792 from the workpiece mounting surface 15a.

[0053] 9 and 10 show a side surface processing machine 806. As shown in FIGS. 9 and 10, the side surface processing machine 80 has a pair of side surface front-rear guides 82, a movable column 87, a pair of side surface upper and lower guides 89, and a first side surface unit processing machine 407. The side surface processing machine 80 may also have a pair of side surface beams 81, a side surface front-rear feed device 84, a side surface upper and lower rack (side surface upper and lower fixed-side feed device) 91, a first side surface upper and lower movable-side feed device 931, a second side surface unit processing machine 408, a second side surface upper and lower movable-side feed device 932, a first side surface cable protection tube 951, and a second side surface cable protection tube 952. The side surface processing machine 804 has a structure that is bilaterally symmetrical to the side surface processing machine 806 in FIGS.

[0054] The side beam 81 is fixed to the frame 11. A pair of side front-rear guides 82 are arranged on the side beam 81. Each side front-rear guide 82 extends forward and backward. The movable column 87 extends upward and downward. The movable column 87 is arranged in the side front-rear guide 82 and moves forward and backward. The side front-rear feed device 84 has a side front-rear rack (side front-rear fixed side feed device) 83 and a side front-rear movable side feed device 85. The side front-rear rack 83 is arranged on the side beam 81. The side front-rear movable side feed device 85 has a side front-rear pinion 85a and a side front-rear motor 85b. The side front-rear motor 85b has an output shaft 85c. The side front-rear motor 85b is arranged on a moving column 87. The side front-rear pinion 85a is fastened to the output shaft 85c and meshes with the side front-rear rack 83. Preferably, the side front-rear guide 82 and the side front-rear feed device 84 are disposed at both ends of the moving column 87 .

[0055] The side upper and lower guides 89 extend vertically. The side upper and lower guides 89 are arranged on a movable column 87. The first side unit processing machine 407 is arranged on the side upper and lower guides 89 and moves vertically. The side upper and lower racks 91 extend vertically. The side upper and lower racks 91 are arranged on the movable column 87. Preferably, the side upper and lower racks 91 are arranged midway between the pair of side upper and lower guides 89. The first side surface vertical moving feed device 931 has a side surface vertical pinion 93a and a side surface vertical motor 93b. The side surface vertical motor 93b has an output shaft 93c. The side surface vertical motor 93b is arranged on the first side surface unit body 417. The side surface vertical pinion 93a is fastened to the output shaft 93c and engages with the side surface vertical rack 91. The first side surface vertical moving feed device 931 is arranged below the first side surface unit processing machine 407. The first side surface vertical moving feed device 931 moves integrally with the first side surface unit processing machine 407.

[0056] The second side surface unit processing machine 408 is disposed above the first side surface unit processing machine 407. The second side surface vertically moving feed device 932 is substantially identical to the first side surface vertically moving feed device 931, and is disposed above the second side surface unit processing machine 408. The first side cable protection tube 951 is substantially identical to the first front cable protection tube 371. The second side cable protection tube 952 is substantially identical to the second front cable protection tube 372. The side cover 96 is an expandable cover and separates the side front-rear guide 82, the side front-rear feed device 84, the movable column 87, the side up-and-down guide 89, the side up-and-down rack 91, and the side up-and-down moving feed devices 931 and 932 from the workpiece mounting surface 15a.

[0057] The front surface processing machine 20, the top surface processing machine 60, and the side surface processing machine 80 may each have an automatic tool changer (not shown).

[0058] The operation of the indexing machine 10 will now be described with reference to FIG. First, at the index position 3, the machined workpiece 2 is removed and an unmachined workpiece 2 is attached. Next, the index table 13 is rotated 90 degrees, and at the index position 4, the front surface 2a of the workpiece 2 is machined by the front surface machining machine 204, the top surface 2b is machined by the top surface machining machine 604, and the left side surface 2d is machined by the side surface machining machine 804. Next, the index table 13 is rotated by 90 degrees, and at the index position 5, the front surface 2a machined by the front surface machining machine 204 is further machined by the front surface machining machine 205. Next, the index table 13 is rotated 90 degrees, and at the index position 6, the front surface 2a machined by the front surface machining machine 205 is further machined by the front surface machining machine 206. Also, the top surface 2b machined by the top surface machining machine 604 is further machined by the top surface machining machine 606. Also, the right side surface 2c is machined by the side surface machining machine 806. Then, the index table 13 is rotated by 90 degrees and returned to the index position 3.

[0059] When multiple workpieces 2 are attached to the jig block 15, the attachment and detachment of the workpiece 2 at index position 3, the machining of the workpiece 2 at index position 4, the machining of the workpiece 2 at index position 5, and the machining of the workpiece 2 at index position 6 are performed simultaneously. After the work at each index position is completed, the index table 13 is rotated. One cycle of operation of the index processing machine 10 includes the attachment and detachment of the workpiece 2 at index position 3, the machining of the workpiece 2 at index position 4, the machining of the workpiece 2 at index position 5, the machining of the workpiece 2 at index position 6, and the rotation of the index table 13. The operating time for one cycle is called the cycle time. During each cycle of operation, each workpiece 2 is machined by moving sequentially through index positions 4, 5, and 6. When the workpiece 2 attached to index position 3 has been operated for four cycles, it returns to index position 3 and is removed from the index processing machine 10 in the next cycle.

[0060] Each of the unit processing machines 401 to 408 of the index processing machine 10 of this embodiment can freely move left and right and front and rear relative to the main shafts 531 to 538. Furthermore, each of the main shafts 531 to 538 can freely move in the axial direction. Therefore, the unit processing machines 401 to 408 can perform not only hole machining, but also surface machining and groove machining.

[0061] According to the index machining machine 10 of this embodiment, machining can be performed simultaneously at multiple index positions 3 to 6 using multiple unit machining machines 40. By allocating machining at each index position, the cycle time of the machine can be shortened. Therefore, the index machining machine 10 can freely machine workpieces 2 with different surfaces and hole positions. Furthermore, by combining two or more of the front surface machining machine 20, top surface machining machine 60, and side surface machining machine 80, multiple surfaces of the workpiece 2 can be machined simultaneously, thereby reducing the number of times the orientation of the workpiece 2 needs to be changed.

[0062] Because the workpiece 2 is attached to the side of the jig block 15, the installation area of ​​the index processing machine 10 can be reduced. In particular, when the workpiece 2 is plate-shaped, in the processing machine of Patent Document 1, each processing station requires an area at least twice the size of the workpiece. In the index processing machine 10 of this embodiment, because the workpiece 2 is attached upright, the installation area can be approximately the area of ​​a circle whose radius is the sum of the rotation radius of the index table 13 and the length of the unit processing machine 40.

[0063] The first front left / right moving-side feed device 351, the first front unit processing machine 401, the second front unit processing machine 402, and the second front left / right moving-side feed device 352 are arranged in this order. The front left / right moving-side feed device 351 and the second front left / right moving-side feed device 352 are not arranged between the two front unit processing machines 401, 402. Therefore, the two front unit processing machines 401, 402 can be close to each other on the left and right. The front surface unit processing machines 403 and 404 are also substantially the same as the front surface unit processing machines 401 and 402. The top surface unit processing machines 405 and 406 are also substantially the same as the front surface unit processing machines 401 and 402. The side surface unit processing machines 407 and 408 are also substantially the same as the front surface unit processing machines 401 and 402.

[0064] The first front beam 251, the front unit processing machines 401, 402, the front unit processing machines 403, 404, and the second front beam 252 are arranged in this order. The first front beam 251 and the second front beam 252 are not sandwiched between the front unit processing machines 401, 402 and the front unit processing machines 403, 404. Therefore, the upper front unit processing machines 401, 402 and the lower front unit processing machines 403, 404 can be close to each other.

[0065] The front surface unit processing machines 401 to 404, the top surface unit processing machines 405 and 406, and the side surface unit processing machines 407 and 408 have the same structure. This allows spare parts for the unit processing machines 40 to be standardized. Spare parts for the unit processing machine 40 can be exchanged with any of the unit processing machines 401 to 408. This reduces maintenance costs.

[0066] The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the gist of the present invention, and all technical matters included in the technical ideas described in the claims are subject to the present invention. The above-described embodiments are preferred examples, but a person skilled in the art can realize various alternatives, modifications, variations, or improvements from the contents disclosed in this specification, and these are included in the technical scope described in the appended claims. [Explanation of symbols]

[0067] 1. Center of rotation 2 Work 3, 4, 5, 6 indexing position 10 Indexing machine 13 Index Table 20, 204, 205, 206 Front processing machine 23 Front upper and lower guides 25, 251, 252 Front beam 31, 311, 312 Front left and right guides 40 unit processing machine 401, 402, 403, 404 Front unit processing machine 405, 406 upper surface unit processing machine 407, 408 Side unit processing machine 41 unit body 411, 412, 413, 414 Front unit body 415, 416 upper unit body 417, 418 side unit body 53 Main axis 531, 532, 533, 534 Front spindle 535, 536 Top spindle 537, 538 Side spindle 60, 604, 606 Top surface processing machine 62 Upper front and rear guide 69 Upper beam 71 Top left and right guides 80, 804, 806 Side processing machine 82 Side front and rear guide 87 Mobile Column 89 Side upper and lower guides

Claims

1. an index table having a rotation center and capable of mounting workpieces at a plurality of index positions; A front processing machine arranged in front of the rotation center toward the index position, A pair of front upper and lower guides arranged on the left and right sides; a first front beam that is stretched between the pair of front upper and lower guides and is movable up and down; a pair of first front left and right guides disposed on the first front beam; A first front unit processing machine, a first front unit body disposed in the first front left and right guide and movable left and right; a first front spindle to which a tool bit is attached, the first front spindle being disposed in the first front unit body and reciprocating in an axial direction; A first front unit processing machine having a front surface processing machine having An upper surface processing machine arranged above the workpiece from the rotation center toward the index position, a pair of upper surface front-rear guides disposed on the left and right and extending forward and backward; an upper beam that is stretched across the upper front-rear guide and is movable forward and backward; A pair of upper left and right guides disposed on the upper beam; A first upper surface unit processing machine, a first upper surface unit body disposed on the upper surface left and right guides and movable left and right; a first upper surface spindle to which a tool bit is attached, the first upper surface spindle being disposed in the first upper surface unit body and capable of reciprocating in an axial direction; a first upper surface unit processing machine having an upper surface processing machine having A side processing machine arranged on the side of the workpiece from the rotation center toward the index position, a pair of side front and rear guides arranged vertically and extending forward and backward; a movable column whose both ends are supported by the pair of side front and rear guides and which is movable forward and backward; A pair of upper and lower side guides arranged on the moving column; A first side surface unit processing machine, a first side unit body disposed on the pair of side upper and lower guides and movable up and down; a first side spindle to which a tool bit is attached, the first side spindle being disposed in the first side unit body and reciprocable in an axial direction; a first side surface unit processing machine having a side processing machine having One or more processing machines selected from the group consisting of are arranged at each of the plurality of index positions, Indexing machine.

2. The front processing machine is A second front unit processing machine arranged on the left side of the first front unit processing machine, a second front unit body disposed in the pair of first front left and right guides and movable left and right; a second front spindle to which a tool bit is attached, the second front spindle being disposed in the second front unit body and capable of reciprocating in an axial direction; A second front unit processing machine having 2. The indexing machine according to claim 1.

3. The front processing machine is a first front left and right fixed side feed device disposed on the first front beam; The first front unit body is provided with a first front left / right fixed side feed device. a first front left / right moving feed device that moves integrally with the first front unit processing machine; a second front left / right movable side feed device disposed on the second front unit body and moving integrally with the second front unit processing machine in cooperation with the first front left / right fixed side feed device; 3. The indexing machine of claim 2, further comprising:

4. The front processing machine is a second front beam that is disposed between the pair of upper and lower front guides and is movable up and down and is disposed below the first front beam; a pair of second front left and right guides disposed on the second front beam; A third front unit processing machine, a third front unit body disposed in the second front left and right guide and movable left and right; a third front spindle to which a tool bit is attached, the third front spindle being disposed in the third front unit body and reciprocating in an axial direction; a third front unit processing machine having The indexing machine according to any one of claims 1 to 3, further comprising:

5. The front processing machine is A fourth front unit processing machine arranged on the left side of the third front unit processing machine, a fourth front unit body disposed in the pair of second front left and right guides and movable left and right; a fourth front spindle to which a tool bit is attached, the fourth front spindle being disposed in the fourth front unit body and capable of reciprocating in an axial direction; A fourth front unit processing machine having 5. The indexing machine according to claim 4.

6. The front processing machine is a second front left and right fixed side feed device disposed on the second front beam; a third front left / right movable side feed device disposed on the third front unit body and moving integrally with the third front unit processing machine in cooperation with the second front left / right fixed side feed device; a fourth front left / right movable side feed device disposed on the fourth front unit body and moving integrally with the fourth front unit processing machine in cooperation with the second front left / right fixed side feed device; 6. The indexing machine of claim 5, further comprising:

7. The first front unit processing machine is disposed below the first front beam. The indexing machine according to any one of claims 1 to 3.

8. The third front unit processing machine is disposed above the second front beam.

5. The indexing machine according to claim 4.

9. The upper surface processing machine is A second upper surface unit processing machine disposed on the left side of the first upper surface unit processing machine, a second upper surface unit body disposed on the upper surface left and right guides and movable left and right; a second upper surface spindle to which a tool bit is attached, the second upper surface spindle being disposed in the second upper surface unit body and capable of reciprocating in an axial direction; A second upper surface unit processing machine having The indexing machine according to any one of claims 1 to 3.

10. The upper surface processing machine is an upper surface left and right fixed side feed device disposed on the upper surface beam; a first upper surface left-right moving-side feed device that is disposed on the first upper surface unit body and moves integrally with the first upper surface unit processing machine in cooperation with the upper surface left-right fixed-side feed device; a second upper surface left / right moving side feed device that is disposed on the second upper surface unit body and moves integrally with the second upper surface unit processing machine in cooperation with the upper surface left / right fixed side feed device; The indexing machine according to claim 9.

11. The side processing machine is A second side surface unit processing machine arranged above the first side surface unit processing machine, a second side unit body disposed on the pair of side upper and lower guides and movable up and down; a second side spindle to which a tool bit is attached, the second side spindle being disposed in the second side unit body and reciprocating in an axial direction; Further comprising a second side unit processing machine having: The indexing machine according to any one of claims 1 to 3.

12. The side processing machine is a side vertical fixed feed device disposed on the moving column; a first side surface vertically movable feed device disposed on the first side surface unit body and cooperating with the side surface vertically fixed feed device to move integrally with the first side surface unit processing machine; a second side surface vertically movable feed device disposed on the second side surface unit body and moving integrally with the second side surface unit processing machine in cooperation with the side surface vertically fixed feed device; 12. The indexing machine of claim 11, comprising:

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