JPH0421954B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hub supply device for supplying a hub to a tape clamp device that fixes a leader tape or the like to a pair of hubs built into a tape cassette in the process of manufacturing a tape cassette.

The hub built into the tape cassette is assembled into the tape cassette through the steps shown in FIGS. 1 and 2.

In FIG. 1, hub 1 and hub 2 are fixed to hub fixing shafts 3 and 4, and recesses 5 and 6 of hub 1 and hub 2 for clamping the tape are positioned at fixed positions. On the other hand, hub 7
is attached to the drive shaft 8 that rotationally drives the hub 7,
The tape 9 is tethered to the hub 7 by a bead 10. Next, as shown in FIG. 2, the tape 9 is wound around the hub 7 by rotating the drive shaft 8, and then the tape 9 is cut between the hubs 1 and 2. into the recess 5 of hub 1 and the recess 6 of hub 2, respectively, into pieces 13 and 1.
4.

Next, transfer hub 7 and hub 1 to drive shaft 8,
Newly attach another hub to the fixed shafts 3 and 4.

In the above process, conventionally the fixed shaft 3,
The work of fixing the hub to 4 was done manually.

An object of the present invention is to partially automate the process of positioning and fixing the hub to the above-mentioned fixed shaft.

The present invention will be described in detail below with reference to the drawings.

FIG. 3 is a perspective view of an embodiment of the invention. To explain its basic structure, 15 is a rail that supplies a hub. The rail 15 is provided with grooves 16 and 17 through which the hub can pass. 18
and 19 are air cylinders that operate hub stops 20 and 21 for temporarily holding the hub supplied to the rail 15. The hub stops 20 and 21 can stop the flow of the hub through the grooves 16 and 17 by protruding toward the grooves 16 and 17.

In FIG. 3, reference numerals 22, 22 are push-out levers that push out a pair of hubs. Push lever 2
2 and 22 are shown in more detail in FIGS. 4 and 5. As shown in FIG.
is provided with a platform 23 on which the hub is placed, and a push-out section 24 for pushing out the hub placed on the platform 23. Furthermore, as shown in FIG.
has a Y-shape, and when the hub is placed on the platform 23, the bay part 24' is aligned with the center hole 25 of the hub shown in FIG.
The hub moving axis, which will be described later, is connected to the center hole 25 and the bay part 2 of the hub.
4' can pass together.

Further, the push lever 22 is guided by a guide 26 and is movable in the direction shown by an arrow 27 or 28. That is, the pushing lever 22 is connected to a shaft 30 of an air cylinder 29, and the air cylinder 29 is fixed to the panel base by an angle 31, and the pushing lever 22 is moved by the operation of the air cylinder 29.

Further, in FIG. 3, 32 and 33 are positioning levers, and 34 and 35 are rotating rollers.
Positioning levers 32, 33 and rotating roller 3
4 and 35 jointly position the hub. positioning levers 32, 33 and rotating roller 34,
35 will be further explained with reference to FIGS. 3, 5, and 6. As shown in FIG.
2 and 33 are rotatable around shafts 36 and 37, and as shown in FIG.
Reference numeral 33 denotes stoppers 40, 41 which are biased inwardly by springs 38, 39 and which are fixed to the panel base as shown in FIG. 5, and stopper pins 4 provided on the positioning levers 32, 33.
2 and 43, it is kept in a fixed position even if it is urged inwardly.

Further, as shown in FIG. 6, rollers 34 and 3
5 are connected by gears 44 and 45 provided coaxially with the respective rollers, and both rollers 34 and 35 are rotated by rotation of a drive roller 46 coaxial with the gear 45. The drive roller 46 is connected to the rod 48 via a belt 47.
The motor 49 is connected to the drive shaft 50 of the motor 49 which is fixed to the panel pace with etc.
The rollers 34 and 35 rotate as the rollers 34 and 35 operate.

A hub fixing shaft corresponding to the hub fixing shafts 3 and 4 for fixing the hubs 1 and 2 explained in FIG. 1 will be explained with reference to FIGS. 4 and 6. The hub fixing shafts 51 and 52 shown in FIG. 6 are movable as shown in FIG. 4. That is, as shown in FIG. 4, positions a, b, c, and d are taken with respect to the base plate 53. The specific moving means will not be described in detail because it can be realized by a known means by combining air cylinders and rails. On the hub fixing shafts 51 and 52, the hub is set at position a by means described later, and the tape is clamped at position b. When the position c is reached, the fixed hub remains on the base plate 53 and is removed from the hub fixing shafts 51 and 52. Next, the robot reaches position d and returns to position a, and the next hub is mounted on the hub fixing shafts 51 and 52. At this time, a of the hub fixed shafts 51 and 52
The position coincides with the center of the hub passage holes 54 and 55 of the intermediate plate 53' shown in FIG.

In FIG. 3, reference numerals 56 and 57 are hub moving shafts that can be connected to the fixed shafts 51 and 52 shown in FIG. 6. As shown in FIGS. 3 and 6, the hub moving shafts 56, 5
7 is attached to a moving block 58, which is movable along a rail 59 fixed at both ends to the panel base, and a shaft 62 of an air cylinder 61 fixed to the panel base by an angle 60. is supported by. Therefore, the hub moving shafts 56, 57 can be moved up and down by the operation of the air cylinder 61. As shown in FIGS. 5 and 6, fixed shafts 51, 5
2 is in position a (see Fig. 4), the hub moving shafts 56, 57 are in the lowered position when the fixed shafts 51,
52 can be connected.

Furthermore, springs 63 and 64 are loosely fitted to the hub moving shafts 56 and 57 to compress the hubs. One end of the springs 63, 64 is fixed at the connection portion between the hub moving shafts 56, 57 shown in FIG. 6 and the moving block 58, and the other end is freely movable.

Next, the operation of an embodiment of the present invention will be described based on the above configuration.

Mainly referring to FIG. 3, first, the hub is continuously fed along the grooves 16, 17 of the rail 15. When the pair of hubs is placed on the hub mounting table 23, the air cylinders 18 and 19 are operated, and the hub stops 20 and 21 are projected inward, temporarily stopping the supply of hubs. As a result, after a pair of hubs are supplied to the hub platform 23, no hubs are supplied until the next cycle.

Next, the push lever 22 is moved in the direction shown by the arrow 27 by the operation of the air cylinder 29, as shown in FIG. At this time, the hub is pushed by the push-out portion 24 of the push-out lever 22 shown in FIG. 4, and moves in the direction shown by the arrow 27 while pushing the positioning levers 32 and 33 shown in FIG. 5 outward. The pair of hubs are sandwiched between a positioning lever 32 and a roller 34, and a positioning lever 33 and a roller 35, respectively.

Next, the motor 49 shown in FIG. 6 is operated to rotate the rollers 34 and 35. Therefore, the hub sandwiched between the positioning lever 32 and roller 34, and the positioning lever 33 and roller 35 shown in FIG. 5 also rotates.

Then, the recesses 5 and 6 of the hubs 1 and 2 shown in FIG.
When the positioning levers 32 and 33 coincide with the rollers 34 and 35, the positioning levers 32 and 33 move inward. However, since the inner positions of the positioning levers 32 and 33 shown in FIG.
It does not rotate from the position corresponding to 4, 35.

Next, the fixed shafts 51 and 52 shown in FIG. 4 are in position a, and the hub moving shafts 56 and 5 shown in FIG.
7 is lowered by the operation of the air cylinder 61, and its tips are connected to the fixed shafts 51 and 52. Next, the fifth
The push lever 22 shown in the figure moves in the direction shown by the arrow 28 and retreats to its initial position.

The hub moving shafts 56, 57 are lowered and the fixed shaft 51,
52, springs 63, 64
is pushing the hub in the downward direction, and as the pushing lever 22 moves backward,
The hub placed on the platform 23 has a spring 6
3 and 64, guided to the hub moving shafts 56 and 57, and mounted and fixed to the fixed shafts 51 and 52. Thereafter, the hub moving shafts 56, 57 rise and return to their initial positions.

On the other hand, in FIG. 3, after the push-out lever 23 moves backward, the hub stops 20 and 21 move back and the platform 2
3 will be equipped with a new pair of hubs. Through the above operations, the hubs are positioned and attached to the fixed shafts 51 and 52.

The device for securing the tape 9 to the hubs 1 and 2 shown in FIGS. 1 and 2 will be briefly explained with reference to FIGS. 3 and 4.

In FIG. 4, the fixed shaft to which the hub is fixed at position a moves to position b. On the other hand, in FIG. 3, the pieces 13 and 14 shown in FIG. 1 are supplied from a piece supply section 65. Hub fixed shaft 51, 52
The hub fixed to the hub is held down by a hub presser 67 rotated by an air cylinder 66 so as not to lift up, and then the tape 9 is clamped by the clamp shaft 68 using the aforementioned piece. Ru.

Although the embodiment of the present invention is as described above, it is particularly desirable that the cross-sectional shape of the hub moving shafts 56 and 57 be such that the hub shown in FIG. 1 does not rotate.

Regarding other embodiments of the present invention, for example, the springs 63 and 64 shown in FIG. good. In another variation, the drive source for each component need not be limited to air cylinders or motors. Further, the rollers 34 and 35 may each be provided with a rotational drive source, or one hub may be provided with a positioning roller and a hub rotation roller separately.

As described above, according to the present invention, it is possible to mount a hub that is reliably positioned on the hub fixing shaft, and this can be achieved automatically, which is industrially useful.

[Brief explanation of drawings]

FIGS. 1 and 2 are explanatory diagrams of clamping the tape to the hub, respectively, FIG. 3 is a perspective view of an embodiment of the present invention, FIG. 4 is a side view thereof, and FIG. 5 is a plan view thereof. , FIG. 6 is a front view thereof as well. 1, 2...hub, 15...supply rail, 22...
... Push lever, 32, 33 ... Positioning lever, 35, 35 ... Rotating roller, 51, 52 ...
... Fixed shaft, 56, 57 ... Hub moving shaft, 63, 6
4...Spring.

Claims (1)

[Claims] 1. A supply rail for supplying a pair of hubs, a pushing lever for pushing out the pair of hubs supplied from the supply rail to a positioning position, and a positioning lever for rotating and positioning the hub pushed out to the positioning position. and a rotating roller, a pair of fixed shafts for fixing the hub, a pair of hub moving shafts connectable to the pair of fixed shafts, and a hub elastic spring attached to the hub moving shafts. hub feeding device.