KR840001599Y1 - Turning type mutle spindle attachment - Google Patents

Abstract

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Description

Swing Multi-Axis Attachment

1 is a cross-sectional view showing the swing-type multi-axis attachment of the first embodiment incorporating the present invention in a state in which it is mounted on the quil of the Borvan.

2 is a front view of a multi-axis attachment bolt in the same way.

3 is the same bottom view.

4 is a perspective view of the attachment cylinder and the attachment member in the same manner.

5 is a cross-sectional view of the swing multi-axis attachment of the second embodiment of the present invention.

6 is an explanatory diagram showing a range that can be drilled by the multi-axis attachment of the present invention.

7 is an explanatory diagram showing a range that can be drilled by a conventional multi-axis attachment.

The present invention relates to a swing-type multi-axis attachment used to attach to a borvan or tap panel, and its purpose is to mount a plurality of drills or taps at one time because it has a small output motor. It is to provide a swivel multi-axis attachment that allows simple, continuous boring or tapping of a workpiece such as a small borvan or tabbed.

Hereinafter, a first embodiment in which the present invention is embodied in Borban will be described with reference to FIGS.

1 is a quill of Borban, 1a is an expansion part, and below it, the main shaft 1b which penetrated the inside of the quiil 1, and the main shaft gear 2 integrally protrude.

4 is an attachment cylinder of the multi-axis attachment detachably attached to the lower portion of the quiil 1, 4a is an engagement end formed on the inner circumferential surface of the attachment cylinder 4, and is coupled to the lower surface of the expansion portion 1a. have. 5 is an attachment ring coupled to the upper surface of the expansion section 1a. A plurality of bolts 6 (only one shown) penetrated from above are screwed into the attachment cylinder 4, and the copper attachment cylinder 4 ) Is fixed to the quill 1.

7 is an annular support plate attached to the lower end of the attachment cylinder 4, as shown to FIG. 1, FIG. 4, and the several bolt 8 (only one shown) inserted by screwing from the lower part is shown. It is fixed to the attachment cylinder 4 by the above.

On the upper surface of the support plate 7, a plurality of positioning holes 10 are laid at intervals of 60 degrees. 11 is an annular engaging plate brought into contact with the support plate 7, and part of the annular engaging plate 13 is provided with an insertion hole 13 corresponding to any one of the plurality of positioning holes 10. 15 is a positioning pin inserted from above into the insertion hole 13, the lower end of which extends into the positioning hole 10 of the support plate 7.

14a is a plurality of bolt insertion holes penetrated at equal intervals on the outer circumference of the coupling plate 11, and 14b is a plurality of screw holes penetrated to the coupling plate 11 at an intermediate portion of each bolt insertion hole 14a. to be. 16 is a low-cylindrical attachment member attached to the lower surface of the coupling plate 11, and the plurality of bolts 18 inserted from above into the bolt insertion hole 14a of the coupling plate 11 are cylindrical portions 16a. The screw is inserted into the coupling plate 11 so as to be integrally rotatable. 19 is a plurality of recesses formed on the upper surface of the cylindrical portion 16a of the attachment member 16 at positions corresponding to the respective threaded holes 14b of the coupling plate 11 and between the lower surface of the coupling plate 11. A gap 19a is formed in the gap.

22 is a plurality of clamp levers in which the threaded portion 22a is screwed into the threaded hole 14b from above, and the tip end of each threaded portion 22a is cylindrically shaped 16a of the attachment member 16. It is screwed in. And 23 is a collar. 21 is an annular pivoting handle attached to the outer circumference of the cylindrical portion 16a of the attachment member 16, and is attached by the bolt 20 inserted into the cylindrical portion 16a from the outer circumference of the plurality of arm portions 2 1a. The member 16 is rotatably fixed.

16b is a through hole for insertion of the main shaft 1b provided through the center of the bottom wall 16c of the attachment member 16. 24 is a 1st ring provided in the upper peripheral surface of the said through hole 16b, and is fixed on the bottom wall 16c of the attachment member 16 by the bolt 25 which penetrated from above. The outer circumference of the first ring 24 is in contact with the inner circumference of the support plate 7. 26 is a second ring provided between the upper surface of the attachment member 16 bottom wall 16c and the support plate 7 above the first ring 24, and is attached to the attachment member 16 by the pins 27. As shown in FIG. Rotational movement is impossible.

When each of the above-described clamp lever levers 22 is rotated and the screw portion 22a is inserted into the attachment member 16, the gap 19a is clamped, and the coupling plate 11 and the bottom wall 16c of the attachment member 16 are tightened. Since the support plate 7 and the second ring 26 are tightly clamped in between, the attachment member 16 becomes incapable of rotational movement with respect to the attachment cylinder 4 of the multi-axis attachment. ), The attachment member 16 becomes rotatable with respect to the attachment cylinder 4.

28 is a multi-axial head body attached to the bottom surface of the bottom wall 16c of the attachment member 16, as shown in FIGS. 1 and 3, and 29 is the upper wall 29a from the upper surface of the bottom wall 16c of the attachment member 16 as a case. It is fixed by a plurality of bolts 30 (only one is shown) which are screwed into each other. 31 is a through-hole provided in the center part of the case upper wall 29a, and is fuse | melted with the through-hole 16b of the bottom wall 16c of the said attachment member 16. As shown in FIG. 32 is a protrusion which projects the inner edge of the through hole 31 downward, and has a pair of upper and lower bearings 33 for supporting the lower part of the main shaft 1b so as to be rotatable above the main shaft gear 2. ) Is attached.

34 is a pair of through-holes projected to the bottom wall 29b of the case 29, 35 is a support plate which covers each through-hole 34 from below, and the case is provided by a plurality of bolts 36 (only one is shown). It is fixed to the bottom wall 29b. 37 is a pair of circular attachment holes (shown only one) penetrated to each support plate 35, and the upper part of the rotation member 38 is rotatably inserted from below into each of them.

38a is an end part formed in the upper outer periphery of each rotating member 38, and is coupled to the lower surface of the outer periphery of each attachment hole 37 of the support plate 35. 39 is a pair of clamping plates (only one shown) in which the outer periphery is contacted on the supporting plate 35 to support each rotating member 38, and a plurality of bolts penetrated from below the rotating member 38 ( The tip of 40) is screwed in.

Strongly screwing the copper bolt 40 into the clamping plate 39 causes the support plate 35 to be firmly clamped between the clamping plate 39 and the end portion 38a of the rotating member 38. 38 becomes impossible to rotate with respect to the support plate 35, and conversely, when the bolt 40 is slowed down, the rotation member 38 becomes rotatable with respect to the support plate 35. 41 is a pair of support shafts (only one side shown) which is rotatably supported between the lower surface of the upper wall 29a of the case 29 and the upper portion of each pivot member 38, respectively, the middle of the upper and lower pairs. The gears 42 and 43 are attached. Each support shaft 41 is located on the central axis of each pivot member 38.

The upper intermediate gear 42 is engaged with the main shaft gear 2. In addition, 44 is a pair of upper and lower bearings for supporting each support shaft 41. 45 is a holding hole penetrated in the up and down direction in each rotating member 38, 46 is a bearing member coupled to the upper portion of the holding hole 45. 47 is a pair of spindles rotatably supporting the shaft portion 48 in each of the holding holes 45 and in the bearing member 46, the upper end of which has a spindle gear that meshes with the lower intermediate gear 43. 49). In addition, 50 is a bearing which supports the shaft part 48 of each spindle 47 at each upper and lower ends. 51 is a drill attached to the lower end of each spindle 47.

In the multiaxial attachment configured as described above, the rotation of the main shaft 1b of the Borvan is performed from the spindle gear 2 through the upper and lower bilateral gears 42 and 43 and the respective spindle gears 49 to each spindle 47. Is passed on.

Next, the operation and effect of the multiaxial attachment configured as described above will be described.

Then, when four or more holes located on the same circumference of the workpiece are drilled by the borvan having the two drills 51 described above, both drills 51 in the state shown in the first to third degrees are first displayed. The two drills 51 are then rotated in the circumferential direction around the quill 1 of the Borvan, that is, the attachment cylinder 4 of the multi-axis attachment.

To rotate the drill 51 about the main shaft 1b, first, the respective clamp levers 22 are rotated to support the plate 7 by the bottom wall 16c of the coupling plate 11 and the attachment member 16. And the clamping state of the second ring 26 is released, and the multi-axis head body 28 is allowed to rotate.

Next, after pulling out the positioning pin 15 from the positioning hole 10 and the insertion hole 13, the turning handle 21 is rotated to the right or left by hand. As a result, the attachment member 16 rotates around the attachment cylinder 4 while the coupling plate 11 is in sliding contact with the upper surface of the support plate 7. As a result, the multiaxial head body 28 fixed to the bottom wall 16c of the attachment member 16 also rotates around the attachment hole 4 with this. At the time of rotation of the attachment member 16, the second ring 26 on the bottom wall 16c and the first ring 24 inscribed therewith are also rotated at the same time.

When the multi-axis head body 28 is rotated, the upper middle gear 42 installed therein moves along the outer circumference of the synchronous gear 2 while being engaged with the main shaft gear 2. In addition, when the multi-axis head body 28 is rotated, a pair of drills 51 also rotate about the attachment cylinder 4 simultaneously with each rotation member 38 attached to the support plate 35.

As described above, when the attachment member 16, the multi-axis head body 28 and the pair of drills 51 are turned about 60 degrees, the positioning hole 10 in front of the insertion hole 13 of the coupling plate 11 After nearly coinciding with the positioning hole 10 different from), the positioning pin 15 is inserted into the holes 13 and 10.

Since the pivot position of the drill 51 is set correctly by this, each clamp lever 22 is tightened after that, and the support plate 7 is again carried out between the coupling plate 11 and the bottom wall 16c of the attachment member 16. ) And the second ring 26 to firmly fix the attachment member 16 to the attachment cylinder 4.

Since the rotational movement about the main axis | shaft 16 of both drills 51 is complete | finished above, when a hole is made also about the workpiece | work also in this state, a total of four holes can be made combining with the first two holes.

Therefore, in the same manner as described above, if the drill 51 is rotated 60 degrees again to perform another punching, a total of six holes can be performed. If the drill 51 is rotated another 60 degrees, a total of eight holes can be performed. Can be. In this way, even a small output boron with a small output having two drills 51 can easily and continuously drill more holes than the number of drills. In this case, there is no need to rotate the workpiece at all.

By the way, in the conventional multi-axis attachment in which the multi-axis head body 28 is incapable of rotational movement with respect to the attachment cylinder 4, when a plurality of drills are performed by the borvan which has two drills in this way, For each drilling operation, it is necessary to rotate the workpiece, which has been very cumbersome.

However, in the embodiment of the present invention to change the position of the drill 51 by rotating each of the rotating member 38 with respect to the case 29 of the multi-axis head body 28, inserted into the rotating member 38 from below. The bolt 40 is slowed to release the clamping state of the supporting plate 35 by the clamping plate 39 and the end 38a of the rotating member 38, and the rotating member 38 is attached to each of the attachment holes 37 of the supporting plate 35. It is enough to rotate within.

In this case, each rotating member 38 is rotated about the support shaft 41 of the upper and lower intermediate gears 42 and 43, so that each spindle gear 49 is in the middle in the state of being engaged with the lower intermediate gear 43. It moves along the outer periphery of the gear 43.

In the above embodiment, the drill 51 is pivoted by 60 degrees, but the pivoting operation may be performed one time, 90 degrees, or 180 degrees by an arbitrary angle. In addition, two or more insertion holes 13 on the coupling plate 11 may be formed so that the positioning pin 15 may be inserted into the support plate 7 from the outer circumference of the cylindrical portion 16a of the attachment member 16. In addition, the crystal hole 10 of the support plate 7 may also be formed in groove shape, and this groove may be formed on the outer peripheral surface of the support plate 7.

Next, a second embodiment of the present invention will be described with reference to FIG. 5. In this embodiment, the attachment member 16 and the support plate 7 for supporting the attachment member 16 are attached to the inside of the attachment cylinder 4. It differs especially from the said 1st Example by the point which installed.

61 is a snap ring as a support plate, and is attached to the inner circumference of the lower end of the attachment cylinder 4. 62 is a support ring serving as a support plate provided in the attachment cylinder 4 so as to engage on the snap ring 61, and is formed in an annular shape.

63 is a protrusion formed on the upper surface of the multi-axis head case 29, and is rotatably engaged in the lower end of the inner end of the attachment cylinder 4. A gap 64 is formed between the upper surface of the protrusion and the lower surface of the support ring 62. 65 is a pair of support bolts (only one side) inserted into each of the pivot members 38 from below, and each of the front end portions of the top wall 38b of the pivot member 38 and the top wall 29a of the multi-axis head case 29. And through the projection 63 on the casing 29 are screwed into the support ring 62.

The upper and lower intermediate gears 42 and 43 are rotatably supported on the support bolt 65 in the multi-axis head case 29. 66 is a non-slip ring of the copper bolt 65 attached on the support bolt 65.

In the multi-axis attachment of this embodiment, each pivot member 38 is pushed upward by a pair of support bolts 65, via a multi-axis head case 29 coupled to the end portion 38a of its outer circumference. The upper wall 29a of the case 29 is pressed against the lower end surface of the attachment cylinder 4. Therefore, the multi-axis head body 28 is fixed incapable of rotational movement with respect to the attachment cylinder 4, and at the same time, each rotating member 38 is fixed incapable of rotational movement with respect to the high-capacity head case 29.

When rotating the drill 51, the pair of support bolts 65 is delayed. When the copper bolt 65 is delayed, the front contact between the attachment cylinder 4 and the multi-axis head case 29 and the pressure contact between the copper case 29 and the pivot member 38 are released at the same time, so that the drill 51 is the multi-axis head case 29. It can rotate with the attachment cylinder 4 as the center, and can also rotate with the rotation member 28 centering around the support bolt 65. As shown in FIG.

In this case, since the multi-axis head case 29 can be fixed by tightening the support bolt 65 at any rotational position, the amount of rotation of the drill 51 can be adjusted in two steps. In any case, the multi-axis head main body 28 is capable of adjusting the rotational movement with respect to the attachment cylinder 4, that is, the quil 1 of the Borvan, and at the same time, the pair of rotating members 38 for supporting each spindle 47 are multi-axis. Since the rotational movement can be adjusted with respect to the head main body 28, in other words, the position on the working plane of the tool mounted on the spindle 47 is determined by the rotational movement of the spindle 47 about the main axis 1b and the spindle ( Since 47) is determined by both the rotational movements around the support shaft 41, the range R which can be drilled by a pair of drills 51 in the machining operation is indicated by a diagonal line in FIG. As described above, the area of the entire range of rotational movement of the multi-axis head body 28 is obtained.

On the other hand, in the conventional multi-axis attachment, since the rotation member 38 is only capable of rotational movement with respect to the multi-axis head main body 28, the drillable range R of the hole 51 by the drill 51 is determined. As indicated by the oblique line in 7 degrees, the range of movement of each drill, that is, the outer edge of each of the rotating members 38, was limited, and the range was extremely narrow. In addition, the present invention can be applied to the tabbed in addition to the above-described borvan.

As described above, the present invention rotates the multi-axis head body 28 having a plurality of drills or tabs with respect to the lower portion of the attachment cylinder 4 attached to the outer circumference of the quill 1 of the borvan or tabbed. It is equipped with a motor with a small output due to the adjustable fastening, so that a large number of workpieces, such as small borvans and tabbeds, cannot be equipped with multiple drills or taps at one time. Since the effect can be easily performed continuously perforating or tapping, it is a practically preferred design as a turning multi-axis attachment.

Claims (1)

The multi-axis head body is attached and fixed to the lower portion of the attachment cylinder attached to the outer periphery of the quill of the borvan or tabbed, and the main shaft penetrates and extends into the multi-axis head body within the quiil, The main shaft gear is formed integrally with the lower end of the main shaft, and a plurality of upper intermediate gears engaged with the main shaft gear are installed so as to be integral with the upper intermediate gear below the upper middle gear and In a pivotal multi-axis attachment with a plurality of lower intermediate gears for transmitting rotation and a spindle for mounting a drill or a tab to the multi-axis head body, the multi-axis attachment body 28 has an attachment means. Rotating multi-axis attachment, characterized in that the rotational position is attached to the attachment cylinder (4) through.