JPH0721464Y2 - Deflection removal mechanism when measuring TAB tape - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a mechanism for removing the deflection of the TAB tape when measuring the characteristics of the TAB (Tape Automated Bonding) tape.

[Prior Art] Next, a drive mechanism for a TAB tape will be described with reference to FIG.
In FIG. 5, 11 and 12 are sprockets, 13 is a TAB tape, and 14 is a measuring head.

The TAB tape 13 shown in FIG. 5 is fed from the left side to the right side by rotating the sprockets 11 and 12 counterclockwise.

In FIG. 5, the TAB tape 13 is flexed so as not to apply excessive force to the TAB tape 13.

Next, in order to measure the characteristics of the TAB tape 13 from the state of FIG. 5, the state in which the TAB tape 13 is deflected will be described with reference to FIG.

In FIG. 6, the sprocket 12 is stopped from rotating, and the sprocket 11 is rotated in the opposite direction to that in FIG.

[Problems to be Solved by the Invention] When the TAB tape 13 is to be bent in the state shown in FIGS. 5 to 6, since a torque motor is conventionally used to drive the sprocket 11, the bending can be removed. However, there is a problem that a minute vibration of the motor is transmitted to the TAB tape 13 and precision measurement cannot be performed.

A device for supplying a web such as a TAB tape in the longitudinal direction at any time is disclosed in Japanese Utility Model Laid-Open No. 59-57431, "A recording paper winding device in a recorder", and Japanese Patent Laid-Open No. Hei 1-167148. "Sheet conveying device" and JP-A-60-236572
There is a "thermosensitive recording device" disclosed in the publication.

In the first device, the recording paper is sent out by the stepping motor, the recording paper is taken up by the DC motor, and the bending means of the recording paper is provided between the sending-out means and the winding means, but the stepping motor is rotated in the reverse direction. Then, the flexure of the recording paper (web) is not removed.

The second device uses a stepping motor as a drive source of a cam link mechanism for moving up and down the upper roller to remove the deflection of the multi-part paper (web), and moving the upper roller up and down. That is, similarly to the above, in the drive mechanism of the TAB tape which directly applies the tension to the TAB tape by rotating the sprocket connected to the stepping motor, the purpose of use of the stepping motor is mechanically different.

The third device uses a stepping motor for recording paper (web).
The stepping motor is not used as a means for tensioning the web.

This invention adopts a stepping motor for driving the sprocket 11, and gives the force to take the deflection by the elasticity of the leaf spring,
The purpose is to provide a flexure removal mechanism when measuring the TAB tape so that the rotation of the stepping motor is stopped after the flexure is removed.

[Means for Solving the Problems] In order to achieve this object, the present invention uses a sprocket 11
And the sprocket 12 are connected in a bent state, the TAB tape 13 is moved to the position of the measuring head 14 by rotating the sprocket 11 and the sprocket 12, and the sprocket 12 is rotated.
Rotation, stop the sprocket 11 by rotating the sprocket 11 in the reverse direction to the position where the deflection of the TAB tape 13 can be removed, and when measuring the TAB tape 13, make a hole 1A and insert the shaft 11 of the sprocket 11 in the hole 1A.
A is inserted and fixed and plate 1 is provided with step 1B, leaf spring 2 attached to plate 1 so as to cover step 1B, hole 3A is made, and shaft 5A of stepping motor 5 is put in third hole 3A. The plate 3 to be fixed and the pin 4 attached to the plate 3 and attached to the position corresponding to the step 1B of the plate 1 are provided. When the TAB tape 13 is moved to the position of the measuring head 14, the stepping motor 5 and the sprocket 11 are When the step 1B of the plate 1 and the pin 4 are connected to each other and the stepping motor 5 is reversely rotated to a position where the TAB tape 13 can be deflected and stopped, the stepping motor 5 and the sprocket 11 are connected by the elasticity of the leaf spring 2. To do.

[Operation] According to the above-mentioned configuration, the sprocket and the stepping motor are connected by the stepped first plate and the pinned second plate, and when the TAB tape is flexed, the stepping motor is rotated in the reverse direction as far as it can be flexed. The rotation of the TAB tape is stopped and the flexed state of the TAB tape is held by the elasticity of the leaf springs, so precise measurement of the TAB tape can be performed without the micro-vibration of the motor being applied to the TAB tape. It also prevents the TAB tape from being damaged by overloading the motor.

[Embodiment] Next, an embodiment of the flexure removing mechanism at the time of measuring the TAB tape according to the present invention will be described with reference to the exploded configuration diagram of FIG. First
In the figure, 1 is a plate, 2 is a leaf spring, 3 is a plate, 4 is a pin, and 5 is a stepping motor.

The plate 1 is provided with a step 1B, and the shaft 11 of the sprocket 11 is
There is a hole 1A in which A is inserted, and the shaft 11A of the sprocket 11 is put in the hole 1A of the plate 1 and fixed. The leaf spring 2 is
It is attached to the plate 1 so as to cover the step 1B.

Hole 3A into which the shaft 5A of the stepping motor 5 is inserted in the plate 3
The shaft 5A of the stepping motor 5 is put in the hole 3A of the plate 3 and fixed. Pin 4 is plate 3
And is attached to the plate 1 at a position corresponding to the step 1B.

The stepping motor 5 and the sprocket 11 are connected by the connection of the step 1B of the plate 1 and the pin 4, and when the stepping motor 5 is rotated in the reverse direction, the stepping motor 5 and the sprocket 11 are connected by the connection of the leaf spring 2 and the pin 4.

Next, the operation according to this invention will be described with reference to FIGS. 2 and 3. FIGS. 2 and 3 are partial assembly views of FIG. 1, FIG. 2 is a state of FIG. 5, and FIG. 3 is a state diagram of FIG.

In FIG. 2, the plates 1 and 3 rotate counterclockwise.
At this time, the plate 1 rotates as the pin 4 pushes the step 1B.

In FIG. 3, the TAB tape 13 is moved to the position of the measuring head 14, the stepping motor 5 is reversely rotated to a position where the deflection of the TAB tape 13 can be removed, and the rotation is stopped. It is the state figure which is making it nervous so that it may not bend.

The degree of deflection of the TAB tape 13 is about 1.5 mm, and the stepping motor 5 is reversely rotated and stopped only when the circumferential distance of the sprocket 11 is equivalent to that.

In the state of FIG. 3, the stepping motor 5 is stopped, and the stepping motor 5 and the sprocket 11 are the leaf springs 1B.
It is connected by the elasticity of. Therefore, the TAB tape 13 is held without being bent.

Next, a side view of the TAB tape 13 in FIGS. 2 and 3 will be described with reference to FIG.

FIG. 4 (a) shows the TAB tape 13 in a state corresponding to FIG. 2, and FIG. 4 (a) shows the state corresponding to FIG.
TAB tape 13 is not bent.

[Effect of device] This device moves the TAB tape, which is connected between the first sprocket and the second sprocket in a flexed state, to the position of the measuring head by rotating the first sprocket and the second sprocket. , Stop the rotation of the second sprocket, and reversely rotate the first sprocket to a position where the deflection of the TAB tape can be removed, and stop the first sprocket in the hole of the first plate when measuring the TAB tape. The shaft is inserted and fixed, a step is provided on the first plate, and the leaf spring is attached to the first plate 1 so as to cover the step. Insert the shaft of the stepping motor into the hole of the second plate and fix it,
Pins are attached to the second plate at positions corresponding to the steps of the first plate.

When moving the TAB tape to the position of the measuring head, connect the stepping motor and the first sprocket by connecting the step of the first plate and the pin, and reversely rotate the stepping motor to the position where the deflection of the TAB tape can be removed. When stopped, the stepping motor and the first sprocket are connected by the elasticity of the pin and the leaf spring.

This device enables precise measurement of TAB tape without the micro vibration of the motor being applied to the TAB tape as in the past. Also, it is possible to prevent the TAB tape from being damaged by the overload of the motor.

[Brief description of drawings]

FIG. 1 is an exploded configuration diagram of a flexure removing mechanism at the time of measuring a TAB tape according to the present invention, FIGS. 2 and 3 are operation explanatory diagrams of FIG. 1, and FIG. 4 is a diagram of FIG. 2 and FIG. FIG. 5 is a side view of the TAB tape 13, FIG. 5 is an explanatory view of a state in which the TAB tape 13 is moving, and FIG. 6 is an explanatory view of a state in which the TAB tape 13 is bent. 1 ... Plate, 1A ... Hole, 1B ... Step, 2 ... Leaf spring,
3 ... Plate, 3A ... Hole, 4 ... Pin, 5 ... Stepping motor, 5A ... Shaft, 11 ... Sprocket, 11A ...
… Axis, 12 …… sprocket, 13 …… TAB tape, 14 ……
Measuring head.

Claims (1)

[Scope of utility model registration request] 1. A TAB tape (1) for connecting a first sprocket (11) and a second sprocket (12) in a flexed state.
3) is moved to the position of the measuring head (14) by rotating the first sprocket (11) and the second sprocket (12), the rotation of the second sprocket (12) is stopped, and the first sprocket is stopped. Reversely rotate (11) to the position where the deflection of the TAB tape (13) can be removed, and stop it. When measuring the TAB tape (13), open the first hole (1A) and then the first hole (1A). Insert the shaft (11A) of the first sprocket (11) into and fix it to the first plate (1) to provide the step (1B) and the first plate (1) so as to cover the step (1B). A leaf spring (2) to be attached, a second hole (3A), a second hole (3A), a second plate (3) for fixing the shaft (5A) of the stepping motor (5) in the third hole (3A), A pin (4) attached to the second plate (3) and attached at a position corresponding to the step (1B) of the first plate (1), When the TAB tape (13) is moved to the position of the measuring head (14), the stepping motor (5) and the first sprocket (11) are connected to the step (1B) of the first plate (1) and the pin (4). When the stepping motor (5) is reversely rotated to a position where the TAB tape (13) can be bent, the stepping motor (5) and the first sprocket (11) are connected to each other by a leaf spring (2). ) Deflection mechanism for TAB tape measurement, characterized by being connected by elasticity.