JPH0632521A - Automatic tape application device - Google Patents

Abstract

PURPOSE:To provide an automatic tape application device which can efficiently and precisely apply a sealing tape or the like in a circular shape onto the outer peripheral surface of a cylindrical part of a workpiece. CONSTITUTION:An automatic tape application device is composed of a turn table for supporting a workpiece W having a cylindrical part, a tape feed mechanism for feeding a tape having an adhesive surface horizontally facing, and a peel-off tape separating mechanism 24 for separating a peel-off tape Tb from the fed tape T and conveying the same, a tape supply unit 14 incorporating the tape feed mechanism 21 and the peel-off tape separating mechanism 24 and adapted to be moved to and away from the turn table, a tape pressing roller 15 for pressing a tape body Ta from which the peel-off tape Tb is separated, against the outer peripheral surface of the cylindrical part of the workpiece on the turn table, and a cutting mechanism for cutting the tape body Ta between the tape pressing roller 15 and the peel-off tape separating mechanism 24.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, soundproofing and vibrationproofing along a tubular portion of a fan casing in an outdoor unit for air conditioning.
Alternatively, the present invention relates to an automatic tape sticking device used for sticking a seal tape for insect repellent.

[0002]

2. Description of the Related Art Conventionally, this kind of tape sticking work is performed manually, and while the operator flips up the release sheet stuck to the adhesive surface of the seal tape, the sticker tape is attached to the outer circumference of the cylindrical portion of the work. The tape was attached along the surface, and when the attachment of one round was completed, the seal tape was cut with a hand-held cutter.

[0003]

However, such manual work has a problem that the accuracy of the sticking position is low and the tape is apt to meander or wrinkle. In addition, since adhesive tape with high adhesiveness is applied to the pasting surface of such tape, it is difficult to re-attach it once it is pasted, so the work tends to be careful and the work efficiency tends to be low. Met.

An object of the present invention is to provide an automatic tape adhering device capable of performing such tape adhering work with high accuracy and high efficiency.

[0005]

SUMMARY OF THE INVENTION An automatic tape applying apparatus according to the present invention comprises a turntable for mounting and positioning a work having a cylindrical portion to which the tape is applied, and a tape supply for feeding the tape with its adhesive surface sideways. A mechanism, a peeling tape separating mechanism that rolls out the peeling tape from the fed tape and carries it out, and a tape feeding unit that is equipped with these tape feeding mechanism and peeling tape separating mechanism and moves toward and away from the turntable, A tape pressing roller that presses the tape body from which the peeling tape has been peeled off onto the outer peripheral surface of the cylindrical portion of the work on the turntable,
The tape body is equipped with a cutting mechanism for cutting the tape body between the tape pressing roller and the peeling tape separating mechanism.

[0006]

According to the present invention, first, the work is mounted on the turntable, positioned and fixed, and then the tape supply unit is brought close to the work, and the tape body from which the peeling tape has been peeled off is attached to the outer circumference of the work tubular portion. The tape main body is supplied to a predetermined portion of the surface and the tape main body is pressed against the outer peripheral surface of the work by the tape pressing roller. Next, the tape main body is continuously attached along the outer peripheral surface of the workpiece cylindrical portion by feeding the tape by the tape supply mechanism while rotating the turntable in a predetermined direction and synchronizing with the same.
When the pasting of one round is completed, the tape body is cut between the tape pressing roller and the peeling tape separating mechanism, and the turntable is rotationally driven in a predetermined direction so that the end portion of the tape body is finally pressed by the tape pressing roller. One sticking operation is completed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an automatic tape sticking apparatus according to the present invention will be described below with reference to the drawings. As shown in the overall plan view of FIG. 1 and the side view of FIG. 2, this automatic tape sticking device includes a turntable 1, a tape sticking unit 2, a bobbin unit 3, and an unloading device 4.

The turntable 1 is rotatably supported on a table support 5 about a vertical axis P, and is rotatably driven by being interlocked with an electric motor 6 through a belt transmission device 7. It is supposed to be done. Further, a ring-shaped rolling device 8 containing balls is provided on the lower surface of the peripheral portion of the turntable 1, and a downward load acting on the turntable 1 is supported on the upper surface of the table support base 5 via the rolling device 8. The turntable 1 is smoothly rotated in a horizontal posture.

The table support base 5 itself is movable with respect to the operator position A in the front-back direction (vertical direction of the paper in FIG. 1) through the left and right guide rails 9 and the counter table 10 is provided.
It is mounted on the top and is moved back and forth by a predetermined stroke by the cylinder 11 so that the position can be changed between the work loading position approaching the worker position A and the back side attachment processing position.

As shown in FIG. 1, the tape sticking unit 2 is provided on the left side of the counter table 10 corresponding to the sticking processing position of the table support 5, and is approached to the turntable 1 by a cylinder 12. It is configured to be able to move apart. The detailed structure of the tape adhering unit 2 is shown in FIGS.

That is, the tape adhering unit 2 is composed of a unit frame 13 horizontally moved by the cylinder 12, a tape supply unit 14 mounted on the unit frame 13, a tape pressing roller 15, and a tape cutting mechanism 16. ing.

The tape supply unit 14 includes a pair of supply rollers 19 mounted on a movable bracket 18 which is supported on the unit frame 13 via a cylinder 17 so as to be movable left and right.
Tape feeding mechanism 2 configured to be driven by a motor 20
1 and a peeling tape separating mechanism 24 for feeding the peeling tape Tb, which is rolled out from the tape T fed with the adhesive surface sideways via the guide 22, by the feeding roller 23. Sending roller 23
The belt 25 is interlockingly connected to the supply roller 19 and is synchronously driven.

The tape pressing roller 15 is mounted on the lower end of a movable bracket 27 which is slidably moved forward and backward by a cylinder 26 mounted on the unit frame 13, and operates at the tape supply destination of the tape supply mechanism 21.

The tape cutting mechanism 16 includes a cylinder 28.
The movable frame 29 that moves forward and backward with respect to the tape feeding mechanism 21 is equipped with a cutting edge 31 that is sandwiched by a cylinder 30. When the backward movement, the cutting edge 31 is separated from the tape feeding path and cuts by the forward movement. The blade 31 enters the tape supply path.

The bobbin unit 3 has a tape T drawn from a bobbin 32 which is rotatably supported about a vertical axis.
Is guided to the tape supply mechanism 21.

The unloading device 4 has a carrier 41 supported by a rodless cylinder 40 so as to be movable back and forth in parallel with the table support base 5, and an arm 42 extending from the carrier 41 via a cylinder 43 at the tip thereof. The clamp mechanism 44 includes a pair of clamp pieces 46 that are driven to approach and separate from each other by a cylinder 45.

The automatic tape sticking apparatus of this embodiment is constructed as described above.
Or, it demonstrates based on FIG. Here, as shown in FIG. 3, the work W subjected to the tape sticking process is a substantially rectangular main body obtained by press-molding the tubular portion wa, and the sponge-shaped sealing tape main body Ta is attached to the tubular portion wa. The sticking process is performed along the outer peripheral surface of the.

(1) First, the table support base 5 is moved to a work loading position close to the operator position A, and the work W is placed on the turntable 1 and fixed by a clamp means (not shown). At this time, the positioning jig 1a
The table rotation center and the center of the cylindrical portion wa of the work W coincide with each other.

(2) Next, as shown in FIG. 1, the table support base 5 is moved to the attachment processing position on the back side. At this time, as shown in FIG. 7A, in the tape adhering unit 2 in the retracted position, the tape supply unit 14 and the tape pressing roller 15 stand by at the retracted position, respectively.

(3) Next, as shown in FIG.
The cylinder 12 operates and the unit frame 13 moves closer to the work W from the side.

(4) Next, as shown in FIG.
The cylinder 17 operates and the tape supply unit 14 moves closer to the work W.

(5) Next, as shown in FIG.
The supply roller 19 of the tape supply mechanism 21 is driven and the tape body Ta from which the peeling tape Tb is separated is sent toward the outer peripheral surface of the work W. When the optical sensor (not shown) detects that the tip of the tape body Ta has been sent to the front part of the tape pressing roller 15, the tape supply mechanism 21 temporarily stops.

(6) Next, as shown in FIG.
The cylinder 26 operates to advance the tape pressing roller 15 to press the tip end of the tape body Ta against the outer peripheral surface of the work W.

(7) Next, as shown in FIG.
The work W is rotationally driven in a predetermined direction, and the tape supply mechanism 21 is driven in synchronization with this, so that the tape body Ta is continuously attached to the outer peripheral surface of the work W.

(8) When the pasting of one round is completed,
As shown in (g), after the turntable 1 and the tape supply mechanism 21 are stopped, the tape supply unit 1
4 rises, the tape supply mechanism 21 is driven by the amount of movement of the tape supply unit 14, and the tape portion behind the end of the attachment is slightly separated from the work W.

(9) Thereafter, as shown in FIGS. 8 (g) and 8 (h), the cutting edge 31 of the tape cutting mechanism 16 is advanced to the position of the separated tape portion to perform the cutting operation.

(10) Next, the turntable 1 is further rotated slightly, and as shown in FIG.
Finally, the rear end of a is attached.

(11) Next, as shown in FIG. 9 (j), the tape pressing roller 15 is retracted, and then the unit frame 13 is retracted to return to the original set state. The operation is completed.

(12) When the sticking operation is completed, the carrier 41 of the unloading device 4 moves and the clamp mechanism 44 is set above the processed work W.

(13) Next, after the cylinder 43 is operated and the clamp mechanism 44 is lowered and inserted into the processed work W, the clamp piece 46 is opened and supported to support the work W from the inside.

(14) Next, the cylinder 43 is actuated, the clamp mechanism 44 lifts the processed work W, and the carrier 41 moves and conveys it onto the collecting table 47.

(14) Next, the clamp mechanism 44 is lowered and the clamp piece 46 is contracted and closed to transfer the processed work W onto the recovery table 47.

(15) During this period, the table support base 5 is returned to the work loading position to prepare for loading the next work W.

In the above embodiment, the case where the unloading device 4 is provided is illustrated, but for simplicity, the unloading device 4 is used.
Alternatively, the work W can be manually loaded and unloaded without the provision of the above.

[0035]

As is clear from the above description, according to the present invention, the tape mounted on the turntable is automatically fed out and the peeling tape is unrolled out to carry out the turntable operation. While rotating, the tape from which the peeling tape has been peeled off is pressed by the tape pressing roller to be stuck on the cylindrical outer peripheral surface of the work, and the tape is cut by the cutting mechanism after a predetermined amount of tape is stuck. The tape attaching work can be performed with high efficiency and accuracy on the work having the shaped portion.

[Brief description of drawings]

FIG. 1 is an overall plan view of an embodiment of an automatic tape sticking device according to the present invention.

FIG. 2 is a partially cutaway overall side view of the apparatus of the embodiment.

FIG. 3 is a partially cutaway perspective view of a work.

FIG. 4 is a front view of a tape sticking unit.

FIG. 5 is a partially cutaway plan view showing a main part of the tape adhering unit.

FIG. 6 is a front view showing a main part of the tape adhering unit.

FIG. 7 is a process diagram showing a tape application sequence.

FIG. 8 is a process diagram showing a tape attaching order.

FIG. 9 is a process diagram showing a tape attaching order.

[Explanation of symbols]

 1 Turntable 14 Tape Supply Unit 15 Tape Pressing Roller 16 Cutting Mechanism 21 Tape Supply Mechanism 24 Peeling Tape Separation Mechanism W Work

Claims (1)

[Claims] 1. A turntable for mounting and positioning a work having a cylindrical portion to which a tape is attached, a tape feeding mechanism for feeding a tape having an adhesive surface in a horizontal direction, and a peeling tape for unwinding from the fed tape. Peeling tape separating mechanism to be carried out, a tape feeding unit equipped with these tape feeding mechanism and peeling tape separating mechanism to move toward and away from the turntable, and the tape main body from which the peeling tape is peeled off on the turntable. A tape pressing roller that presses against the outer peripheral surface of the cylindrical part of the work,
An automatic tape sticking device comprising a cutting mechanism for cutting the tape body between a tape pressing roller and a peeling tape separating mechanism.