JPH08318902A - Cover tape heat sealing means of electronic parts taping device - Google Patents

Abstract

PURPOSE: To provide a heat sealing means of a cover tape in an electronic parts taping device in which the electronic parts are mounted in a mounting hole of a main tape, and then, the cover tape is heat sealed on the main tape to provide a continuous electronic parts tape. CONSTITUTION: A heater iron 7 with an iron face 7a formed on the lower surface is fitted to a lower holder 8 in an attachable/detachable manner, the lower holder 8 is oscillatably connected to an upper holder 9 by a connecting means 11 in the condition where a space 10 of the prescribed distance is provided between the upper and lower holders 8, 9, and a steel ball 12 interposed at the center position of the space 10 between the upper and lower holders 8, 9. In a cover tape heat sealing means of an electronic parts taping device, a spring is stretched between the upper and lower holders 8, 9 to keep the space 10, the lower holder 8 is elastically and tiltably supported relative to the upper holder 9 in the direction of 360 deg. with the steel ball 12 as the fulcrum, and the lower holder 8 and the heater iron 7 are interlocked with the upper holder 9 in its elevating lowering movement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION Cover for an electronic component taping device in which electronic components are loaded in a loading hole of a main tape and then a cover tape is heat-sealed on an upper surface of the main tape to provide a continuous-length electronic component tape. According to the tape heat sealing means, the cover tape is heat-sealed to the upper surface of the main tape so that the entire iron surface of the heater iron is evenly pressed against the upper surface of the cover tape. Provided is a cover tape heat sealing means for an electronic component taping device, which is mounted so as to be tiltable in a 360 ° direction.

[0002]

2. Description of the Related Art Conventionally, a main tape 4 having a loading hole (or recess) 2 and a pitch hole 3 for an electronic component 1 on a tape having a narrow width and a continuous length, such as paper or plastic, is drawn out from a supply reel. The electronic component 1 is loaded into each of the loading holes 2 in the process of feeding and winding on the take-up reel, and then the cover tape 5 having a narrow and continuous length is heat-sealed on the upper surface of the main tape 4 to form the electronic component. An electronic component taping device is provided in which a tape T is provided and the electronic component tape T is wound on a take-up reel. The heat seal is a parallel-line trowel surface on the lower surface of the heater trowel heated by electric heat or the like. , Main tape 4
The upper surface of the upper cover tape 5 is contacted and pressurized.
Referring to FIG. 5, reference numeral 6 is a bottom tape.

However, in the conventional cover tape heat sealing means, for example, the heater trowel 100 having the trowel surface 100a formed on the lower surface is attached to the sub holder 101 with the fixing screw 102, and the fixing screw 102 is loosened and tightened. The adjusting screw 103 screwed to the left and right of the upper part of the holder 101 is screwed back and forth to adjust the tilt angle of the trowel surface 100a in the left-right direction,

Further, the mounting shaft 104 of the sub holder 101 is fitted into the shaft hole of the main holder 105, and the tightening screw 106 is loosened and tightened, so that the sub holder 101, ie, the trowel surface 100a of the heater trowel 100, is inclined in the front-rear direction. By adjusting the angle,

The entire surface of the trowel surface 100a of the heater trowel 100 is adjusted so as to come into pressure contact with the upper surface of the cover tape 5 on the main tape 1 with a uniform contact pressure. I try to heat seal.

The uniform press contact adjustment of the trowel surface 100a is performed by lowering the holder and pressing the trowel surface of the heater trowel against the pressure sensitive paper to check the degree of color development. Each time, loosen the fixing screw
A slight adjustment in the left and right direction is performed, the fixing screw is retightened, and the work is repeated by pressing it against the pressure-sensitive paper, and it takes a lot of time and effort to adjust so that the entire surface of the trowel is pressed evenly. And as a result, there is a problem that it is difficult to perform high-precision uniform pressure contact and uniform heat sealing.

Therefore, there has been a long-awaited provision of a heat sealing means for a cover tape capable of easily performing highly accurate adjustment, and this has been solved by the provision of the means of the present invention.

[0008]

That is, according to the present invention, a holder provided for raising and lowering a heater trowel having a trowel surface on a lower surface thereof, a steel ball interposed at a central position between the both, or one of the both. 360 ° with the protrusion protruding from the
Provided by connecting means so that it can be tilted in any direction,

When the trowel surface of the heater trowel comes into contact with and pressurizes the top surface of the cover tape by lowering the holder, the trowel surface is centered on the fulcrum in a direction not yet in contact with the top surface of the cover tape and a weak contact surface. Tilting automatically and momentarily
The cover tape heat sealing means of the electronic component taping device is provided so that the entire surface of the trowel comes into contact with the upper surface of the cover tape with an equal pressure to perform uniform heat sealing of the cover tape to the main tape. It has been resolved.

[0010]

EXAMPLE An example of the present invention will be described. A trowel surface 7 is provided on the lower surface.
A heater trowel 7 having a formed therein is detachably attached to a lower holder 8 and a space 10 having a set distance is provided between the upper and lower holders 8 and 9.
The lower holder 8 is swingably connected to the upper holder 9 with the connecting means 11 in a state where the upper and lower holders 8,
A steel ball 12 is installed at the center position of the space 10 of 9 and a spring 13 is stretched between the upper and lower holders 8 and 9 to maintain the space 10 and the lower holder 8 with respect to the upper holder 9. Flexibly and 360 times with steel ball 12 as a fulcrum
Is supported so that it can be tilted in the direction of °, and the upper holder 9 is raised,
The lower holder 8 and the heater trowel 7 are provided so as to be interlocked with the downward movement.

When the lower holder 8 and the heater trowel 7 descend in conjunction with the lowering of the upper holder 9 and the trowel surface 7a comes into contact with and pressurizes the upper surface of the cover tape 5, the trowel surface 7a acts as an elastic force of the spring 13. At the same time, the trowel surface 7a tilts automatically and instantaneously in the direction not yet in contact with the upper surface of the cover tape 5 and the direction in which the contact pressure is weak, with the trowel surface 7a acting as a fulcrum. A cover tape for an electronic component taping device, which is provided so that the entire surface of the trowel surface 7a contacts the upper surface of the cover tape 5 with a uniform pressure so that the cover tape 5 is evenly heat-sealed 14 to the main tape 4. It is a heat sealing means.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Explaining the embodiments of the present invention shown in FIGS. 3 and 4, the heater iron 7 having parallel line-shaped iron surfaces 7a, 7a formed on its lower surface is detachably attached to a lower holder 8 and an upper holder 9 is attached. Bolt 11 inserted loosely into the through hole 15 of the
The tip of the (connecting means) is screwed to the lower holder 8 to leave a space 10 between the upper and lower holders 8 and 9 at a set distance so that the lower holder 8 is swingably connected to the upper holder 9 Sphere 12
Small recesses 16 formed at the center position of the space 10, that is, at the center positions of the lower surface of the upper holder 9 and the upper surface of the lower holder 8.
A spring 13 loosely inserted into the outer circumference of the bolt 11 while being installed in a state in which a part of the upper and lower surfaces of the bolt 17 are fitted.
Is stretched between the upper and lower holders 8 and 9 to maintain the space 10 between the upper and lower holders 8 and 9, the lower holder 8 being elastic with respect to the upper holder 9, and the steel ball 12 as a fulcrum. It is a cover tape heat sealing means of an electronic component taping device which is tiltably supported in a direction of 360 ° and is provided so that the lower holder 8 and the heater trowel 7 are interlocked with the ascending / descending movement of the upper holder 9.

In the structure shown in FIG. 2, instead of interposing the steel ball 12 at the center of the space 10 between the upper and lower holders 8 and 9 as described above, the lower surface of the upper holder 9 or the lower holder 8 is replaced. A protrusion 12a serving as a fulcrum for tilting of the lower holder 8 is provided at the center position of either one of the upper surfaces (the illustrated example, the upper surface of the lower holder 8).

Reference numeral 18 is a guide rail.

[0015]

The main tape 4 (with the bottom tape 6) pulled out from the supply reel is fed onto the guide rail 18 and the electronic components 1 are loaded into the respective loading holes 2, and then the main tape 4 is loaded.
Supply the cover tape 5 on the upper surface of

The lower holder 8 is operated by lowering the upper holder 9
And when the heater trowel 7 is lowered and its trowel surface 7a is contacted and pressed against the upper surface of the cover tape 5, the press-contacted trowel surface 7a elastically presses against the elastic force of the spring 13 and at the same time 7a automatically and instantaneously tilts in the direction of 360 °, such as a direction not yet in contact with the upper surface of the cover tape 8 or a direction with weak contact pressure, with the steel ball 12 or the protrusion 12a as a fulcrum, whereby the trowel surface 7a Contact the upper surface of the cover tape 5 with a uniform pressure, and as a result, uniform heat sealing 14 of the cover tape 5 to the main tape 4 is performed.

After heat sealing, the upper holder 9 rises, the lower holder 8 and the heater iron 7 also rise, and the heat sealing work is completed, and the next main tape 4 and cover tape 5 are fed directly below the heater iron 7. Then, the next heat sealing work is started.

When it is necessary to repair or replace the heater trowel or change the type (width or other) of the main tape, only the heater trowel 7 is removed from the lower holder 8 and replaced, and the interval between the guide rails 18 is adjusted. To do.

[0019]

[Effect] Since the heater iron is provided in the holder so as to be tiltable in the direction of 360 ° with the steel ball or the protrusion as the fulcrum, when the holder and the heater iron are lowered and the iron surface is contacted and pressed with the upper surface of the cover tape, The heater trowel (the trowel surface) automatically and instantly tilts about the fulcrum in a 360 ° direction in which the trowel surface is not yet in contact and in which the contact pressure is weak, and the entire surface of the trowel surface is covered with the upper surface of the cover tape. The cover tape can be pressed against the main tape with a uniform contact pressure, and as a result, the cover tape can be heat-sealed to the main tape with a high degree of uniformity and high precision.

Further, since the heater trowel is detachably provided in the lower holder, there is an advantage that only the heater trowel can be replaced and repaired for replacement and repair, or change of tape type (width or the like).

[Brief description of drawings]

FIG. 1 is an explanatory front view and side view of the present invention, where a steel ball is used.

FIG. 2 is a front view and a side view of the present invention, in which a protrusion is provided at the center of the upper surface of the lower holder.

3 is a sectional view taken along the line AA of the embodiment of FIG. 4 of the present invention.

FIG. 4 is a side view of FIG.

FIG. 5 is a partially enlarged front view and a partially enlarged plan view of the electronic component tape.

FIG. 6 is a front view and a side view of a conventional cover tape heat sealing means.

[Explanation of symbols]

 T electronic component tape 1 electronic component 2 loading hole (or recess) 3 pitch hole 4 main tape 5 cover tape 6 bottom tape 7 heater iron 7a iron surface 8 lower holder 9 upper holder 10 space 11 connecting means (bolts) 12 steel ball 12a Projection 13 Spring 14 Heat seal 15 Through hole 16 Small recess 17 Small recess 18 Guide rail (conventional means) 100 Heater iron 100a Iron surface 101 Sub holder 102 Fixing screw 103 Adjusting screw 104 Mounting shaft 105 Main holder 106 Fastening screw

Claims (4)

[Claims] Claim: What is claimed is: 1. A holder provided for raising and lowering, a heater trowel having a trowel surface on the lower surface thereof, and a steel ball interposed at a central position between the both, or a protrusion provided on either of the steel balls. As a fulcrum, it is provided so as to be tiltable in the direction of 360 ° and connected by a connecting means, and when the holder is lowered and the trowel surface of the heater trowel contacts and presses the top surface of the cover tape, the trowel surface is the center of the fulcrum and the cover is attached. The tape is automatically and momentarily tilted in the direction where it is not yet in contact with the top surface of the tape and the direction where the contact pressure is weak, and the entire surface of the trowel contacts the top surface of the cover tape with equal pressure, so that the cover tape is evenly distributed with respect to the main tape. Cover tape heat sealing means for an electronic component taping device provided for heat sealing. 2. A heater trowel having a trowel surface formed on the lower surface is removably attached to the lower holder, and the lower holder is rocked on the upper holder with a connecting means in a state where a space of a set distance is provided between the upper and lower holders. Freely connect, install a steel ball at the center of the space of the upper and lower holders, and tension a spring between the upper and lower holders to maintain the space and lower holder to upper holder. It is supported elastically and tiltably in the direction of 360 ° with a steel ball as a fulcrum, and is equipped so that the lower holder and the heater trowel are interlocked with the ascending and descending movements of the upper holder. When the lower holder and heater trowel descend and the trowel surface contacts and presses the top surface of the cover tape, the trowel surface elastically presses against the elastic force of the spring and at the same time the trowel surface is made of steel balls. With the It automatically and momentarily tilts in the direction where it is not in contact with the upper surface and in the direction where the contact pressure is weak, and the entire surface of the trowel contacts the upper surface of the cover tape with equal pressure, so that the cover tape is evenly heated with respect to the main tape. The cover tape heat sealing means of the electronic component taping device according to claim 1, which is provided so as to perform sealing. 3. A heater trowel having a parallel trowel surface formed on the lower surface is removably attached to the lower holder, and the tip of a bolt loosely fitted into the through hole of the upper holder from the upper surface side is screwed to the lower holder. By connecting means such as
With a space of a set distance between the upper and lower holders, the lower holder is swingably connected to the upper holder, and the steel ball is placed at the center position of the above space, that is, at the center positions of the lower surface of the upper holder and the upper surface of the lower holder. A small recess is formed with the upper and lower surfaces partially fitted together, and a spring loosely inserted around the outer circumference of the bolt is stretched between the upper and lower holders to create a space between the upper and lower holders. While maintaining the lower holder elastically with respect to the upper holder, and tiltably in the direction of 360 ° with the steel ball as a fulcrum, the lower holder and the heater trowel are interlocked with the ascending and descending movements of the upper holder. The cover tape heat sealing means of the electronic component taping device according to claim 1, which is provided. 4. Instead of installing a steel ball at the center of the space between the upper and lower holders, a tilting fulcrum of the lower holder is provided at the center of either the lower surface of the upper holder or the upper surface of the lower holder. The cover tape heat sealing means of the electronic component taping device according to claim 1, wherein the cover tape heat sealing means comprises: