JPH0648957Y2 - Reel cassette changer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a reel cassette replacement device used in a chip-shaped electronic component mounting device.

(B) Conventional technology In recent years, as an electronic component supply means in an electronic component mounting apparatus, an electronic component supply tape accommodating a plurality of electronic components at equal intervals is attached in a replaceable manner, and this is fed by pitch feed. It is becoming common for electronic component supply devices (hereinafter referred to as reel cassettes) to be mounted to be attached removably adjacent to each other on a movable base.

By the way, as a means for exchanging the reel cassette, it is a usual method to stop the electronic component mounting device every time the electronic components are used up, remove them one by one from the base, and mount a reel cassette on which a new electronic component supply tape is set. It was

In order to efficiently perform the reel cassette exchange work, a method of previously placing the reel cassette on the reel cassette mounting carriage and exchanging the whole carriage is also used. An example thereof can be found in Japanese Utility Model Laid-Open No. 61-150706. However, in this method, the dolly on which the reel cassette is placed does not have the function of moving the reel cassette, and thus the device of the present invention is configured to move the required reel cassette to the electronic component take-out position. It was not applicable.

(C) Problem to be Solved by the Invention In the present invention, in the component supply section of the electronic component mounting device, a plurality of reel cassettes are detachably mounted in parallel on the base It is intended to provide a device that can quickly and surely.

(D) Means for Solving the Problems In the present invention, a transportable frame is provided which allows a plurality of reel cassettes having a clamp lever that engages with a hook on the base side to be collectively attached to and detached from the base. An arm that can rotate all the clamp levers of the reel cassette simultaneously is provided.

(E) Action A plurality of reel cassettes housed in the transportable frame are placed on the base together with the transportable frame by releasing the clamp levers by operating the arm. Further, by operating the arm, each clamp lever is engaged with the hook of the base, and all reel cassettes in the transportable frame are fixed on the base. Also when detaching from the base, it is carried out in units of the portable frame by operating the arm in the same manner.

(F) Example One example will be described with reference to the drawings. 1 is an electronic component mounting unit, 10 is an electronic component supply unit, 30 is a reel cassette, and 50 is a reel cassette exchange device.

First, the electronic component mounting unit 1 will be described. The electronic component mounting unit is provided with an index table 2 and a plurality of electronic component mounting collets 3 below the periphery thereof, and the index can be rotated at an indexing angle according to the number of electronic component mounting collets 3. When the electronic component mounting collet 3 reaches the electronic component take-out position, it takes out the electronic component from the reel cassette 30. Next, when the electronic component mounting position is reached, the electronic component is mounted on a printed circuit board (not shown). The above operation is repeated.

Next, the electronic component supply unit 10 will be described. The electronic component supply unit 10 is provided with a slide rail 11 at a lower portion thereof, a movable base 12 movably supported at an upper portion thereof, and an electric motor (not shown) as a moving means. Moving base
Positioning pins 13 that engage with the reel cassette 30 are arranged on the upper surface of 12 at intervals in the direction perpendicular to the longitudinal direction, and engage with a clamp lever 31 of the reel cassette 30 at a substantially intermediate position thereof. The hook 14 is projected.

Next, the reel cassette 30 will be described with reference to FIG. The reel cassette 30 includes a tail 32 that stores and holds a reel 41 around which an electronic component supply tape is wound, a pitch feed unit 33 that pitch-feeds the electronic component supply tape, and a cover tape that winds the cover tape stripped from the component supply tape. It is composed of a reel 39 and a clamp lever 31 that engages with the hook 14 on the moving base 12. A positioning hole 34, into which the positioning pin 13 on the moving base 12 is fitted, is provided below the pitch feed portion 33 to facilitate positioning. The clamp lever 31 can rotate between a clamp position (Fig. 3) and an unclamp position (Fig. 4) around the support pin 36 as a fulcrum, and is usually a spring 35 and a stopper provided on the pitch feed section 33. The clamp position is maintained by 37.

Next, the reel cassette exchange device 50 will be described with reference to FIG. The reel cassette exchange device 50 is a reel cassette.
A transportable frame 51 for storing a plurality of 30 in parallel, an arm 52 for collectively rotating the clamp lever 31 of the reel cassette 30 from the clamp position to the unclamp position, and a tail 32 of the reel cassette 30. Hold and reel cassette 30
And a tail retainer 53 that constitutes escape prevention means. The transportable frame 51 includes a handle 54, a tail protection stay 55, a reel cassette temporary positioning stay 56, and a side plate 57. When the reel cassette 30 is stored in the transportable frame 51, the tail protection stay 55 has a side plate 57 at the bottom of the reel cassette 30.
Since it protrudes from the lower edge, it is for preventing it from hitting the floor surface or the like. Reel cassette temporary positioning stay
Reference numeral 56 temporarily positions the reel cassette 30 when it is stored. The recesses 58 provided in the reel cassette temporary positioning stay 56 are provided at the same pitch as the positioning pins 13 on the moving base 12, and the pitch feeding section 33 of the reel cassette 30.
The bolts 38 protruding from the lower surface of the reel cassette 30 are inserted so that the reel cassettes 30 can be arranged at a constant pitch.

The side plate 57 is provided with a positioning groove 59, and by engaging with the positioning pin 13 when set on the moving base 12,
The transportable frame 50 itself is positioned with respect to the moving base 12 together with the stored reel cassette 30. The arm 52 is composed of a pair of symmetrical plates, each of which has its center of rotation supported by an arm support pin 60 protruding from substantially the center of the side plate 57, and the end portion thereof is gripped by a handle.
It is connected by 61 and is formed so as to straddle the portable frame 57.

A clamp lever pressing roller 62 has a groove 65 into which the edge of the clamp lever 31 fits, and forcibly rotates the clamp lever 31 as the arm 52 rotates. When the clamp lever 31 is pressed by the clamp lever pressing roller 62, the positioning block 40 of the reel cassette 30 is pressed against the reel cassette temporary positioning stay 56, and the temporary positioning state can be strengthened. The clamp lever pressing roller 62 is
An end dowel is engaged with a support hole 64 of a leaf spring 63 attached to the arm 52, and the leaf spring 63 can be attached and detached by pushing the upper portion outward. Remove this when storing or removing the reel cassette 30. The arm 52 has a latch 66.

The latch 66 rotates the arm 52 to rotate the clamp lever 31 of the reel cassette 30 to the unclamp position (a position where the clamp lever 31 can be smoothly placed on the moving base 12 without contacting the hook 13 of the moving base 12). Sometimes, the lock pin 67 protruding from the transportable frame 51 holds the arm 52 in this position.
Is engaged with and locked.

The operation of the latch 66 will be described with reference to FIGS. 7 and 8.
FIG. 7 shows the state where the latch 66 is in the normal position (that is, the lock position). FIG. 8 shows the latch 66 in the unlocked position. The latch 66 is rotatably supported by a support pin 68 protruding from the arm 52,
Latch tension spring 69 connected to one end and arm 52
However, it is always pulled in the engagement direction (counterclockwise in the figure).

Now, the rotation of the latch 66 is performed by a movable handle 70 attached in parallel with the handle 61. The movable handle 70 is fitted with retaining washers 71 near both ends, and hook grooves are attached to the outside of the washer 71.
72 is provided, and the outside of the retaining washer 71 is passed through a slot 73 provided in the arm 52 so as to be movable within the length range of the slot 73. A connecting member 74 made of steel wire winds the hook groove 72 half way, one end of which is connected to the arm 52 via a movable handle tension spring 75, and the other end is connected to the latch 66. Due to the movable handle tension spring 75, the movable handle 70 is normally attracted to the left end of the slot 63 and the latch 66
Will always maintain the locked position. When you put your thumb on the handle 61 and squeeze the other four fingers on the movable handle 70, the connecting member 74 pulls the latch 66 and latches it as shown in FIG.
66 rotates to the unlocked position. Release your finger and the latch 66 will return to its original position.

The tail presser 53 includes a tail presser plate bent in an inverted L shape,
A projection 77 that engages with the through hole of the transportable frame 51 to form a fulcrum, an angle determination 78 that gives the tail holding plate 76 two different angles, and a projection that projects the angle determination plate 78 from the transportable frame 51. It consists of a stop force spring 79 that is pressed against 80. The protrusion 77 is a tail holding plate
The other hook of the stop force spring 79, which protrudes from the side edge of the lower part of 76 and has one end connected to the upper part of the side plate 57, engages with this. The stop compulsory spring 79 pulls the tail pressing plate 76 as a whole upward in FIG. 3, and includes a first positioning portion 81 provided at the root portion of the angle determining plate 78 and a notch shape provided at a distance from the first positioning portion 81. The second positioning portion 82 is selectively engaged with the projection 80, and the tail pressing plate 76 can be stabilized at two different angles. The reel cassette 30 can be taken in and out with the first positioning portion 81 engaged with the protrusion 80. When the second positioning portion 82 is engaged with the protrusion 80, the tail retainer 53 is in a position to retain the tail 32 of the reel cassette 30.

Next, based on FIGS. 3 and 6, a reel cassette exchange device
A series of 50 operations will be described. First, as shown in FIG. 3, the tail presser 53 is set up and the clamp lever pressing roller 62 is removed so that the reel cassette 30 can be stored. Then, when the reel cassettes 30 are inserted from the upper part of the transportable frame 51 and the bolts 38 are fitted into the recesses 58 of the reel cassette temporary positioning stay 56, the reel cassettes 30 are stored in parallel at a predetermined pitch. And as shown in Fig. 4, the tail retainer 53
To the front, and the second positioning portion 82 is engaged with the projection 80 to position the reel cassette in the accommodated state. Next arm 52
The clamp lever pressing roller 62 is attached to and the arm 52 is rotated, and the clamp lever 31 is collectively rotated to the unclamp position. Then, the latch 66 is engaged with the lock pin 67 to be in a locked state, and the arm 52 is held in this state.
Next, the reel cassette exchange device 50 is placed at a predetermined position on the moving base 12. At this time, in the positioning groove 59 of the transportable frame 51,
By engaging the positioning pins 13, the positioning holes 34 of the reel cassette 30 in the transportable frame 51 and the positioning pins 13 can be fitted at the same time. After that, the lock by the latch 66 is released, and the arm 52 is rotated to the original position so that the clamp lever 31 engages with the hook 14 on the moving base 12 to be in the clamped state, and the reel cassette 30 is fixed to the moving base 12. Can be fixed. When the reel cassette 30 is fixed, the lower surface of the positioning block 40 of the reel cassette 30 presses the upper surface of the reel cassette temporary positioning stay 56, so that the reel cassette replacement device 50 is also fixed at the same time. Then, the arm 52 is rotated again, the clamp lever 31 is rotated to the unclamp position, the latch 66 locks the arm 52, and the arm 52 is fixed.

(G) Effect of the Invention According to the present invention, a plurality of reel cassettes, which have been conventionally attached and detached one by one, can be collectively attached and detached, so that the operation rate of the electronic component mounting apparatus is improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a part of an electronic component mounting device using the device of the present invention, FIG. 2 is a perspective view showing the structure of a reel cassette exchange device, and FIGS. 3 and 4 are a series of reel cassette exchange devices. 5 and 6 are side views showing a series of operations of the reel cassette exchanging device, FIGS. 7 and 8 are side views showing a latch operation, and FIG. 9 is a latch operating portion. 4 is a partial top view showing the structure of FIG. 30 …… reel cassette, 31 …… clamp lever, 50 …… reel cassette exchange device, 51 …… transportable frame, 52 …… arm, 53 …… tail presser (escape prevention means).

Claims (1)

[Scope of utility model registration request] 1. A plurality of reel cassettes having a component tape holding portion and a pitch feed portion of the component tape are collectively mounted on a component supply portion of an electronic component mounting device by a clamp lever of the reel cassette itself. In this case, a plurality of reel cassettes are accommodated in parallel, and a portable frame that is attached to and detached from the component supply unit, a reel cassette escape prevention means provided in the portable frame, and a portable frame are also provided in the portable frame. A reel cassette exchanging device comprising: an arm for collectively clamping / unclamping a clamp lever of a reel cassette in a transportable frame.