Carrier tape cutter and component packaging machine

Details Carrier tape cutter and component packaging machine Carrier tape cutter and component packaging machine

1999-02-05

2001-05-22

Kim, Eugene (Department: 3721)

Package making

Means to open or erect receptacle

With cutting means

C053S492000

Reexamination Certificate

active

06233906

ABSTRACT:

TECHNICAL FIELD
The present invention relates to a cutting apparatus for cutting an emptied carrier tape (band-shaped long material) after electronic components or the like components, stored in the carrier tape and carried therein are removed from the tape and mounted to a printed board or the like. The present invention also relates to a component mounting machine having the carrier tape cutting apparatus.
BACKGROUND ART
Recent machines for mounting electronic components to printed boards are adapted to operate at high speed, and high-speed supply of the electronic components is demanded to cope with the high-speed operation. For this reason, an increasing number of the mounting machines are fitted to a package transfer system realizing a high supply speed and stable supply of the electronic components to the machines with the use of a carrier tape, i.e. a band-shaped long material having a plurality of recesses to hold the electronic components therein and carry them.
In a conventional electronic component mounting machine, the emptied carrier tape, after the electronic component is removed therefrom, is sequentially cut by a cutting apparatus installed in the machine )referring to Japanese unexamined Patent Publication Nos. 1-164587 and 1-310891).
The conventional carrier tape cutting apparatus installed in the electronic component mounting machine will be described below.
FIG. 4
is a perspective view of an appearance of the electronic component mounting machine,
FIG. 5
is a diagram showing the constitution of the conventional carrier tape cutting apparatus in a state while set to the electronic component mounting machine of
FIG. 4
;
FIG. 6A
is a perspective view showing the appearance of the constitution in detail of the conventional carrier tape cutting apparatus of
FIG. 5
;
FIGS. 6B and 6C
are a side sectional view and a top view of the same apparatus, respectively. And
FIG. 7
is a flow chart for explaining the operation of the conventional carrier tape cutting apparatus shown in
FIGS. 4
,
5
and
6
A-
6
C.
Referring to
FIG. 4
, reference numerals
1
-
3
represent respectively a main body part of the electronic component mounting machine, an electronic component feeding apparatus set at the main body part
1
of the electronic component mounting machine, and a carrier tape wound to a reel
4
of the electronic component feeding apparatus
2
and holding electronic components therein. In
FIG. 5
, reference numbers
5
,
6
,
8
,
9
respectively indicate a suction nozzle for sucking the electronic components out of the carrier tape
3
set from the reel
4
of the electronic component feeding apparatus
2
, a dust pipe forwarding an emptied carrier tape
7
after the electronic component is removed therefrom by the suction nozzle
5
, a cutting apparatus for cutting the emptied carrier tape
7
sent from the dust pipe
6
, and a dust box for storing the carrier tape
7
cut by the cutting apparatus
8
, via a dust chute
10
.
In
FIGS. 6A
,
6
B, and
6
C, reference numerals
11
-
18
respectively indicate a main body part of the carrier tape cutting apparatus
8
, an slide groove formed in the main body part
11
, an upper lid covering the slide groove
12
, a movable blade sliding in the slide groove
12
of the main body part
11
, a fixed blade disposed above the slide groove
12
for cutting the carrier tape in cooperation with the movable blade
14
, a carrier tape insertion part where the emptied carrier tape
7
is inserted into a shear part formed between the movable blade
14
and the fixed blade
15
, a roller follower, and a driving part.
The conventional carrier tape cutting apparatus set to the electronic component mounting machine and constituted as above will be discussed with reference to the flow chart of
FIG. 7
, which is explanatory of the operation thereof. The carrier tape
3
holding electronic components therein is fitted to the electronic component feeding apparatus
2
while being wound to the reel
4
, set at the main body part
1
of the electronic component mounting machine, and then sent forward by one pitch by the electronic component feeding apparatus
2
(step
11
). After the electronic component stored in the carrier tape
3
is sucked by the suction nozzle
5
(step
12
), the emptied carrier tape
7
discharged from the dust pipe
6
of the electronic component feeding apparatus
2
is inserted through the carrier tape insertion part
16
of the cutting apparatus
8
. At this time, the movable blade
14
slides toward a forward end in the slide groove
12
, thereby cutting the carrier tape
7
by a shearing force exerted together with the fixed blade
15
(step
13
). The cut carrier tape
7
drops in the dust chute
10
to be accommodated and collected in the dust box
9
.
In the above-described conventional constitution of the carrier tape cutting apparatus
8
, the sent carrier tape
7
is simply sequentially cut. This is, the carrier tape
7
is collected in the same dust box
9
without being sorted with regard to whether the carrier tape
7
is formed of paper or resin.
The present invention is devised to solve the above issue inherent in the prior art, and has for its object to provide a carrier tape cutting apparatus whereby a cut carrier tape can be sorted and collected in accordance with a material thereof, without any limit as to the amount of different materials, when the carrier tape holding components therein is set to a component feeding apparatus. Also provided is a component mounting machine having the carrier tape cutting apparatus.
DISCLOSURE OF INVENTION
In order to solve the aforementioned issue, the present invention is constituted as follows.
There is provided a carrier tape cutting apparatus according to a first aspect of the present invention, which comprises:
a movable blade that is movable back and forth, and has edges respectively set at a side of a forward end and at a side of a return end of reciprocation;
fixed blades having edges respectively set at the side of the forward end and at the side of the return end, and which are to cooperate with the edges at the forward end and the return end of the movable blade, thereby cutting a carrier tape with a shearing force; and
partitioned carrier tape storage parts which are disposed below respective shear parts formed between the edge at the forward end of the movable blade and the corresponding edge of the fixed blade, and of the edge at the return end of the movable blade and the corresponding edge of the fixed blade such that when the emptied carrier tape, after a component is removed therefrom, is cut by the edge at the forward end or at the return end of the movable blade and the edge of the fixed blade at the same side as the cutting edge of the movable blade, the cut carrier tape is sorted and collected in the storage parts in accordance with a kind of the carrier tape.
According to a second aspect of the present invention, there is provided the carrier tape cutting apparatus of the first aspect, which comprises flaps respectively set under the edges at the forward end and the return end of the removable blade. The flaps move integrally with the edges at the forward end and the return end of the movable blade, thereby guiding the cut carrier tape to drop in a predetermined one of the partitioned carrier tape storage parts.
According to a third aspect of the present invention, there is provided with the carrier tape cutting apparatus according to the first aspect or second aspect of the present invention, a driving device for reciprocating the movable blade; and
a control device for determining an operation direction of the movable blade in accordance with the kind of the carrier tape, and then controlling driving of the driving device.
A component mounting machine according to a fourth aspect of the present invention has the carrier tape cutting apparatus according to any one of the first-third aspects.
In a method according to a fifth aspect of the present invention for mounting a component with the use of the component mounting machi

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