JP2010241565A - Applying device and applying method for adhesive tape - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an adhesive tape applying device for preventing deterioration in the precision of cueing a cutting section for an adhesive tape cut in a predetermined length. <P>SOLUTION: The adhesive tape applying device comprises: a supply reel 11 on which a release tape is wound; a conveying means 20 for intermittently pulling out the release tape from the supply reel by a predetermined length for conveyance; a cutting mechanism 31 for cutting the adhesive tape applied to the release tape and pulled out by the conveying means for conveyance to a predetermined length; an applying means 47 for allowing the adhesive tape of the predetermined length cut by the cutting mechanism and positioned at an applying position to be pressed against an electronic component part standing ready at the applying position, and heated for adhesion; and a control device for controlling the drive of the applying means to cause the applying means to heat the release tape until the supply reel is replaced by a new supply reel, the adhesive tape cut by the cutting mechanism to the predetermined length with the release tape conveyed by the conveying means is positioned at the applying position. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a pressure-sensitive adhesive tape bonding apparatus and a method for bonding an electronic component to a substrate such as a liquid crystal display panel by cutting the pressure-sensitive adhesive tape into a predetermined length and bonding it to the electronic component. Regarding the method.

  When mounting a TCP (Tape Carrier Package) as an electronic component on the side of the substrate, mounting is performed using an anisotropic conductive adhesive tape (ACF). In that case, the adhesive tape is attached in advance to the side portion of the substrate, and a plurality of TCPs are mounted on the side portion at a predetermined interval. Such prior art is disclosed in Patent Document 1.

  However, if a plurality of TCPs are stuck at a predetermined interval after sticking the adhesive tape to the side of the substrate, the portion of the adhesive tape located between adjacent TCPs may be wasted.

  Therefore, the adhesive tape is cut into a length that is substantially the same as the width dimension of the TCP, and the adhesive tape is attached to the TCP. A plurality of TCPs are mounted on a side portion of the substrate at a predetermined interval so as not to waste the adhesive tape.

  An adhering apparatus for adhering an adhesive tape cut to a predetermined length to TCP has a supply reel. A release tape having the adhesive tape attached thereto is wound around the supply reel. The release tape to which the adhesive tape is stuck is pulled out from the supply reel, guided by a guide roller, and intermittently conveyed by a predetermined length by a conveying means such as a conveying chuck.

  The adhesive tape that is intermittently pulled out by a predetermined length together with the release tape from the supply reel is cut into a length corresponding to the width of the TCP by a cutting mechanism. The TCP is positioned at a sticking position on the conveyance path of the release tape and is waiting.

  When the adhesive tape cut to a length corresponding to the width dimension of TCP is conveyed to the standby position of the TCP, the adhesive tape is pushed up while being heated by a pressure tool via a release tape. The pressure is applied to the TCP.

  When the adhesive tape is attached to the TCP, the release tape is peeled from the adhesive tape. After peeling, the release tape is transported for a predetermined length by the transport mechanism, so that the adhesive tape cut to the predetermined length by the cutting mechanism is positioned at the adhesive position and is stuck to the TCP repeatedly. Done.

  When such a sticking operation is repeated and the remaining amount of the release tape wound around the supply reel together with the adhesive tape becomes a predetermined amount or less, the supply reel is replaced with a new supply reel.

  When the supply reel is exchanged, the release tape is pulled out from the supply reel, guided by the guide roller, guided to the transport means, and initialized to a state where it can be transported by a predetermined length. When the initial setting of the release tape is completed, the release tape is transported by a predetermined length by the transport means, and at the same time, the adhesive tape attached to the release tape is cut into a length corresponding to the width dimension of the TCP, If the adhesive tape is conveyed to the sticking position, the sticking to the TCP by the pressure tool is repeatedly performed.

JP 2008-4826 A

  By the way, after replacing the supply reel and initializing the release tape, starting the release tape, until the adhesive tape first cut by the cutting mechanism is transferred to the attachment position, Adhesive tape is not attached to TCP. That is, the release tape with the adhesive tape attached may be heated by the pressure tool until the first adhesive tape cut to a length corresponding to the width dimension of the TCP is conveyed to the application position. Absent.

  When the adhesive tape that has been cut first is conveyed to the adhesive position, so-called cueing is performed in which the tip of the adhesive tape is positioned with respect to the TCP waiting at the adhesive position.

  After cueing the pressure-sensitive adhesive tape, the pressure tool is raised and the pressure-sensitive adhesive tape is pressurized and attached to the TCP while being heated. After that, each time the release tape is conveyed by a predetermined length by the conveying means, the adhesive tape cut to the predetermined length via the release tape is heated by pressure with a pressure tool and attached to the TCP. The pasting work is repeated.

  However, if the above-described sticking operation is repeated, the release tape is heated each time by the pressurizing tool, and thus it is inevitable that elongation occurs. Note that the adhesive tape hardly stretches due to the difference in material from the release tape.

  Therefore, while the adhesive tape is repeatedly applied at the attachment position, the position of the tip of the adhesive tape cut to the length corresponding to the width dimension of the TCP is the first at the adhesion position with respect to TCP. It will deviate from the positioned position of the adhesive tape that has been positioned.

  That is, the position of the tip of the pressure-sensitive adhesive tape of the release tape by the transport means is shifted to the upstream side in the transport direction by the amount of extension of the release tape.

  FIG. 5A shows a state in which the adhesive tape 2 cut to a predetermined length with respect to the TCP 1 is stuck at a regular position, and FIG. 5B shows that the release tape is stretched, so that the TCP 1 Shows a state in which the adhesive tape 2 is displaced.

  As described above, when the position of the adhesive tape 2 attached to the TCP 1 is shifted, the TCP 1 cannot be reliably attached to the substrate, or the terminal provided on the substrate and the terminal provided on the TCP There is also a risk that the electrical connection via the adhesive tape cannot be reliably performed.

  The present invention provides an adhesive in which the adhesive tape that has been cut to a predetermined length does not deviate from the position initially positioned by cueing even when the supply reel is replaced and the adhesive operation is repeated. It is providing the sticking apparatus and sticking method of a tape.

This invention is an adhesive tape attaching apparatus for attaching an adhesive tape attached to a release tape and cut to a predetermined length to an electronic component,
A supply reel wound with the release tape;
Conveying means for intermittently pulling out the release tape from the supply reel by a predetermined length;
A cutting mechanism for cutting the adhesive tape attached to the release tape pulled out and conveyed by the conveying means into the predetermined length;
Adhering means for applying pressure to the electronic component waiting at the adhering position and adhering the adhesive tape of the predetermined length cut by the cutting mechanism and positioned at the adhering position;
When the supply reel is replaced with a new supply reel, the release tape is transported by the transport means, and the adhesive tape cut to a predetermined length by the cutting mechanism is positioned at the sticking position. Until now, there is provided a pressure-sensitive adhesive tape sticking apparatus comprising: control means for controlling driving of the sticking means and heating the release tape by the sticking means.

The adhering means includes a pressurizing tool having a heater, and a driving means for driving the pressurizing tool in an up and down direction that comes in contact with and separates from the release tape,
The drive means waits at the sticking position for the pressure tool by the control means at a standby height, a heating height closer to the release tape than the standby height, and an adhesive tape cut to a predetermined length. The electronic component is driven and controlled so as to be positioned at three heights of pressure to heat and pressurize the electronic component,
When the supply reel is replaced with a new supply reel and the release tape is heated, the pressure tool is preferably positioned at the heating height by the control means.

The drive means includes a first vertical drive means having the pressing tool attached to a first drive shaft, and a second drive shaft fixed to the base portion. It is constituted by a second vertical driving means in which a part for vertically moving the first drive shaft of the first vertical driving means is attached to the upper surface of the vertical moving part,
When the first drive shaft is driven to the ascent limit, the pressurizing tool rises from the standby height to the heating height, and in this state, the second drive shaft is driven to the ascent limit. It is preferable that the pressure tool rises from the heating height to the pressure height.

A detection sensor that detects whether or not an adhesive tape is attached to the release tape is provided on the upstream side of the attachment position,
The control means preferably controls heating of the release tape by the sticking means based on detection by the detection sensor.

In this invention, a release tape wound around a supply reel is unwound and conveyed, the adhesive tape attached to the release tape is cut into a predetermined length, and is heated under pressure by a pressure tool at the attachment position. A method of attaching an adhesive tape to be attached to an electronic component,
When the supply reel is replaced with a new supply reel, the release tape is transported until the adhesive tape that has been cut to a predetermined length after being transported to the release tape is positioned at the sticking position. Is heated with the above-mentioned pressure tool.

  According to the present invention, when the supply reel is replaced, the separation tape is transported to the attachment position where the adhesive tape cut to a predetermined length is attached to the electronic component together with the release tape and positioned. The mold tape was heated by the pressure tool.

  Therefore, the positioning of the adhesive tape first cut to a predetermined length is performed in the same state as the state where the release tape is heated and stretched by repeating the pasting operation. Therefore, even if the sticking operation is repeatedly performed after positioning, the adhesive tape can be stuck to the electronic component without being displaced due to thermal expansion of the release tape.

The block diagram of the sticking apparatus which shows one embodiment of this invention. The side view which shows the cutting mechanism which puts a cutting line in an adhesive tape, and the extraction mechanism which removes the extraction part formed of the cutting line. The block diagram of the sticking means which sticks the cut part cut | disconnected by TCP to the predetermined length of adhesive tape. The block diagram of a control system. (A) is explanatory drawing when the adhesive tape cut | disconnected by TCP to predetermined length is stuck precisely, (b) is the case where the adhesive tape cut | disconnected by TCP to predetermined length slip | deviates and is stuck FIG.

Embodiments of the present invention will be described below with reference to the drawings.
The adhesive tape sticking apparatus shown in FIG. As shown in FIG. 2, a release tape 13 having an adhesive tape 12 attached to one side surface is wound around the supply reel 11. The pressure-sensitive adhesive tape 12 is anisotropically conductive in which metal fine particles are mixed in a thermosetting resin having adhesiveness on both sides, and the release tape 13 is formed in a tape shape having the same shape as the pressure-sensitive adhesive tape 12 by a synthetic resin. ing.

  The adhesive tape 12 is made of a material having a lower coefficient of thermal expansion than the release tape 13. In this embodiment, for example, the pressure-sensitive adhesive tape 12 is stretched by 10 to 18 μm with respect to a temperature rise of 1 ° C., and the release tape 13 is made of a material that is stretched by about 50 μm.

  The release tape 13 is drawn downward together with the adhesive tape 12 from the supply reel 11 and is turned upward so that it is engaged with the dancer roller 15 having the weight 14 and given tension. And it engages with a pair of guide rollers 16a and 16b spaced apart at a predetermined interval in the horizontal direction, and runs horizontally with the surface to which the adhesive tape 12 is attached facing upward. The dancer roller 15 is provided to be movable in the vertical direction along a guide (not shown).

  In the release tape 13, the traveling direction is converted downward by a guide roller 16b on the downstream side in the transport direction from a state where the release tape 13 travels horizontally. , 18a are sequentially passed through and are collected in the collection tank 19. The holding chuck 17 and the feed chuck 18 constitute a conveying means 20.

  The holding chuck 17 is driven to open and close by a first opening / closing drive source 22 such as a cylinder, and the feed chuck 18 is driven to open and close by a second opening / closing drive source 23 such as a cylinder and is also driven by a vertical drive source 24 such as a cylinder. The two open / close drive sources 23 are integrally driven with a predetermined stroke in the vertical direction.

  The first opening / closing drive source 22, the second opening / closing drive source 23, and the up / down drive source 24 are controlled by a control device 25 shown in FIG. That is, when the holding chuck 17 is opened, the feed chuck 18 is closed by the second opening / closing drive source 23 and the release tape 13 is clamped, and in this state, the feed chuck 18 is moved to a predetermined stroke by the vertical drive source 24. Is driven downward. Thereby, the release tape 13 is fed by the feed chuck 18 at a predetermined length corresponding to the stroke against the tension applied by the dancer roller 15.

  When the release tape 13 is fed by the feed chuck 18, the holding chuck 17 is closed by the first opening / closing drive source 22 to hold the release tape 13. Next, after the feed chuck 18 is opened and driven to the raised position, it is driven in the closing direction to sandwich the release tape 13. At the same time, the holding chuck 17 is opened, and the feed chuck 18 is driven in the downward direction indicated by the arrow in FIG. 1 by the vertical drive source 24 to feed the release tape 13 by a predetermined length.

  In a portion where the release tape 13 is vertically changed by the dancer roller 15, a belt-like support member 27 is provided on the other side opposite to the one side where the adhesive tape 12 of the release tape 13 is attached. Is provided. The release tape 13 travels along the plate surface of the support member 27.

  As shown in FIG. 2, a pair of cutting lines 28a are formed on the pressure-sensitive adhesive tape 12 attached to the release tape 13, as shown in FIG. A cutting mechanism 31 for forming the extraction part 28b in the adhesive tape 12 is provided.

  The cutting mechanism 31 includes a cutting cylinder 32 as a drive source arranged with its axis orthogonal to the side surface of the release tape 13 and a pedestal 33 connected to a rod 32a of the cutting cylinder 32. It is constituted by a pair of cutting blades 34 provided at a predetermined interval.

  When the cutting blade 34 is driven by the cutting cylinder 32 toward the adhesive tape 12 affixed to the release tape 13 as indicated by an arrow in FIG. 2, a pair of cutting blades 34 are attached to the adhesive tape 12. The cutting line 28a is formed. That is, the extraction part 28 b is formed in the adhesive tape 12.

  When the extraction portion 28b is formed on the adhesive tape 12, the release tape 13 is intermittently conveyed at a pitch P (shown in FIG. 2) corresponding to the stroke of the feed chuck 18 of the conveying means 20. As a result, the extraction part 28 b formed on the adhesive tape 12 by the cutting mechanism 31 is positioned opposite to the extraction mechanism 36.

  The extraction mechanism 36 has an extraction cylinder 37 as a drive source, and a pedestal 38 is provided on a rod 37 a of the extraction cylinder 37. The pedestal 38 is provided with a pressing portion 38a, and a removal tape 39 that extends from the supply reel and is wound around a take-up reel (both not shown) is stretched on the front end surface of the pressing portion 38a. ing.

  When the extraction cylinder 37 is actuated and the removal tape 39 is pressed against the extraction portion 28b formed on the adhesive tape 12 by the pressing portion 38a, the extraction portion 28b adheres to the removal tape 39. It is supposed to be removed.

  As shown in FIG. 4, the operation of the cutting cylinder 32 and the extracting cylinder 37, that is, the supply and discharge of compressed air to the cylinders 32 and 37 via control valves (not shown) are performed by the control device 25. Is called.

  Thus, if the extraction part 28b formed in the adhesive tape 12 by the cutting mechanism 31 with the predetermined pitch P is removed by the extraction mechanism 36, the adhesive tape 12 is divided into the predetermined length of the cutting part 12a. Will be. This cutting part 12a is set to have substantially the same length as the width dimension of the TCP 42 as an electronic component described later.

  The stroke of the feed chuck 18 driven by the vertical drive source 24 can be changed. Thereby, the length of the cutting part 12a of the adhesive tape 12 cut by the cutting mechanism 31 can be set according to the size change of the TCP 42 or the like.

  After the adhesive tape 12 is divided into the predetermined length of the cutting portion 12a in this way, when the pitch feeding of the release tape 13 by the conveying means 20 is repeated a plurality of times, the TCP 42 is positioned in the cutting portion 12a. Then, it is conveyed to a sticking position B (shown in FIG. 1).

  At the sticking position B, a rotary table 44 is provided above the cutting portion 12a of the adhesive tape 12 conveyed to the sticking position B. The rotary table 44 is provided with a plurality of holding portions 45 at a predetermined angle in the circumferential direction.

  Each holding portion 45 holds the upper surface of one end in a direction intersecting the width direction of the TCP 42 by suction, and a cut portion 12a of the adhesive tape 12 is adhered to the lower surface of the one end. The TCP 42 sucked and held by the holding portion 45 is located slightly above the cutting portion 12a conveyed to the sticking position B.

  As shown in FIG. 4, the rotary table 44 is rotationally driven by a predetermined angle by a rotational drive source 46 controlled by the control device 25. Accordingly, the holding portion 45 is sequentially positioned above the sticking position B.

  A sticking means 47 is provided below the release tape 13 at a position facing the rotary table 44. The sticking means 47 has a pressing tool 48 having a planar shape slightly larger than the cutting portion 12a. The pressurizing tool 48 is driven in the vertical direction by the vertical driving means 49. The pressure tool 48 has a built-in heater 50, which is heated to a predetermined temperature, that is, a temperature at which the adhesive tape 12 can be reliably attached to the TCP 42.

  As shown in FIG. 3, the vertical drive means 49 has a first vertical cylinder 51 as a first vertical drive means. The first vertical cylinder 51 is arranged with the axis line vertical, and the pressure tool 48 is attached to the upper end of the first drive shaft 51a.

  The first vertical cylinder 51 is driven in the vertical direction by a second vertical cylinder 52. The second vertical cylinder 52 is arranged with the second drive shaft 52a facing downward. The tip of the second drive shaft 52 a is fixed to the base portion 53. The lower end surface of the first vertical cylinder 51 is connected and fixed to the upper end surface of the second vertical cylinder 52.

  As shown in FIG. 4, the driving of the first and second upper and lower cylinders 51 and 52 is controlled by the control device 25 as will be described later.

  Accordingly, the pressurizing tool 48 includes a standby height H1 at the lowest position where the drive shafts 51a and 52a of the first and second vertical cylinders 51 and 52 are not driven, and a second vertical cylinder. By driving the first drive shaft 51a of the first vertical cylinder 51 further from the heating height H2 and the heating height H2 in which only the drive shaft 52a of the 52 is driven to the ascent limit, a chain line in FIG. As shown, the pressing tool 48 pushes up the release tape 13 and waits at the sticking position B to press the cutting portion 12a cut to a predetermined length of the adhesive tape 12 to the TCP 42 of the pressing height H3. It is designed to be lifted at three levels.

  The heating height H2 of the pressurizing tool 48 is arbitrarily set by using a linear motor or the like instead of the second vertical cylinder 52, and further, the energization to the heater 50 at the heating height H2 is controlled. Thus, the heating temperature of the release tape 13 may be changed according to changes in elongation with respect to temperature such as physical properties and thickness of the release tape 13.

  When the pressurizing tool 48 is driven up to the pressurizing height H3 and pressed against the TCP 42 waiting at the sticking position B while heating the cut part 12a of the adhesive tape 12, the cut part 12a sticks to the TCP 42. Is done.

  When the cut portion 12a is attached to the TCP 42, the release tape 13 is peeled from the cut portion 12a by a release roller (not shown). Next, the rotary table 44 is rotated by a predetermined angle, and a new TCP 42 is positioned at the sticking position B. The TCP 42 to which the cutting part 12a of the adhesive tape 12 is attached is transferred from the holding part 45 to a mounting tool and mounted on a substrate (both not shown) such as a liquid crystal display panel.

  As shown in FIG. 3, the first and second drive shafts 51a are supplied to the first and second upper and lower cylinders 51 and 52 by supplying compressed air to one of the upper and lower cylinders 51 and 52, respectively. , 52a are connected to compressed air supply pipes 54 and 55 for urging them in the protruding direction.

  The supply pipes 54 and 55 are respectively provided with three-way switching valves 56 and 57 as control valves for supplying compressed air to the one room and discharging the supplied compressed air. Opening and closing of the three-way switching valves 56 and 57 is controlled by the control device 25. That is, the vertical drive of the pressurizing tool 48 by the driving means 49 is controlled by the control device 25.

  The drive shafts 51a and 52a of the upper and lower cylinders 51 and 52 are urged in the immersion direction by built-in springs (not shown). Accordingly, if the compressed air supplied to one chamber of each of the upper and lower cylinders 51 and 52 is controlled by switching the three-way switching valves 56 and 57 and discharged from the exhaust ports 56a and 56a, the first and first The two drive shafts 51 and 52 are driven in the immersion direction by the restoring force of the springs built in the cylinders 51 and 52. That is, the pressurizing tool 48 in the raised position is lowered to the standby height H1.

  As shown in FIG. 1, the release tape is located at a location upstream of the sticking position B in the transport direction of the release tape 13 and downstream of one guide roller 16a provided on the upstream side. 13 is provided with a detection sensor 58 for detecting whether or not the adhesive tape 12 is adhered. The detection sensor 58 is a reflection type that detects the presence or absence of the adhesive tape 12 by reflection of detection light, or a transmission type that detects the presence or absence of the adhesive tape 12 by detection light that passes through the release tape 13. The signal is output to the control device 25 as shown in FIG.

Upon receiving the detection signal from the detection sensor 58, the control device 25 sets the supply reel 11 to a new one when the remaining amount of the adhesive tape 12 wound around the supply reel 11 is below a predetermined amount as will be described later. When it is exchanged, the heating of the release tape 13 by the pressure tool 48 is controlled according to the presence or absence of the adhesive tape 12.
According to the sticking apparatus having the above-described configuration, the release tape 13 drawn from the supply reel 11 is horizontally guided with the side face to which the adhesive tape 12 is stuck facing upward by the pair of guide rollers 16a and 16b. To do.

  The adhesive tape 12 adhered to the release tape 13 is cut and formed by the pair of cutting blades 34 of the cutting mechanism 31 before reaching the upstream guide roller 16a. Each time the release tape 13 is conveyed by the feed chuck 18 of the conveying means 20 with a predetermined stroke, the extraction portion 28 b is removed by the removal tape 39 of the extraction mechanism 36. As a result, the adhesive tape 12 adhered to the release tape 13 is divided into cut portions 12a having a predetermined length.

  Thus, when the cut part 12a of the divided adhesive tape 12 reaches the sticking position B, the pressing tool 48 of the sticking means 47 is driven in the upward direction by the vertical drive means 49. As a result, the cutting part 12a of the adhesive tape 12 is pressed while being heated on the lower surface of the TCP 42 which is held and positioned by the holding part 45 of the rotary table 44 at the sticking position B. Affixed to.

  During normal operation, the pressurizing tool 48 stands by at the heating height H2 where the second drive shaft 52a of the second cylinder 52 is driven in the upward direction, and from the heating height H2 to the first cylinder. 51 is driven up to the pressure height H3.

  As a result, as compared with the case where the pressurizing tool 48 is driven from the standby height H1 to the pressurizing height H3, the cutting portion 12a can be quickly attached to the TCP 42 by the drive, so the tact time is shortened. It becomes possible to do.

  When the sticking device is stopped or when the supply reel 11 to be described later is replaced, the pressurizing tool 48 is lowered to the standby height H1, which is the lowest position, and stands by. Thereby, the pressurizing tool 48 does not interfere with the replacement work of the supply reel 11.

  As described above, when the sticking of the cutting portion 12a of the adhesive tape 12 to the TCP 42 is repeatedly performed, and the remaining amount of the release tape 13 wound around the supply reel 11 becomes a predetermined amount or less, the supply reel 11 The rear end portion where the adhesive tape 12 is not attached is fed out.

  When this is detected by the detection sensor 58, the control device 25 informs the operator that the supply reel 11 is in the replacement period, for example, by an alarm or a display, so that the supply reel 11 becomes a new one. Will be replaced.

  When the supply reel 11 is replaced with a new one, the release tape 13 is pulled out from the supply reel 11, engaged with the dancer roller 15 and the pair of guide rollers 16 a and 16 b and guided to the conveying means 20. The tip is passed between the pair of sandwiching pieces 17 a and the leading end is sandwiched by the pair of sandwiching pieces 18 a of the feed chuck 18.

  As shown in FIG. 1, the tip portion 13a of the release tape 13 drawn out from the new supply reel 11 is usually a portion with a predetermined length to which the adhesive tape 12 is not attached, and the tip portion 13a. The adhesive tape 12 is stuck to the part excluding.

  When the tip of the tip portion 13 a of the release tape 13 is sandwiched between the pair of sandwiching pieces 18 a of the feed chuck 18 of the transport means 20, the transport means 20 is operated to move the release tape 13 to the stroke of the feed chuck 18. In response, it is conveyed intermittently.

At the same time when the release tape 13 is transported by the transport means 20, the cutting mechanism 31 and the extraction mechanism 36 are operated to cut and form a predetermined length of the cutting portion 12 a in the adhesive tape 12.
Further, the pressure tool 48 is raised from the standby height H1 to the heating height H2, and the heater 50 is energized. Set the same conditions as when sticking to. That is, the release tape 13 is preheated by the pressing tool 48 under the same conditions as when the sticking device is actually operating.

  And if the cutting part 12a of the adhesive tape 12 first divided by the cutting mechanism 31 and the extraction mechanism 36 is conveyed to the sticking position B, the cutting part 12a is cueed. That is, the release tape 13 is precisely positioned so that the tip position of the cutting part 12a is a predetermined position of the sticking position B.

  This positioning is performed by releasing the holding state of the release tape 13 by the holding chuck 17 and the feed chuck 18 constituting the conveying means 20 and manually positioning the release tape 13.

  Thus, when the cueing of the cutting part 12a first divided from the adhesive tape 12 is completed, the sticking device is switched to automatic operation. As a result, the feed chuck 18 is repeatedly driven at a predetermined stroke by the vertical drive source 24, so that the release tape 13 is conveyed at a predetermined pitch P according to the stroke.

  Then, each time the release tape 13 is conveyed at a predetermined pitch P, the cut portion 12 a of the adhesive tape 12 positioned at the sticking position B is held by the holding portion 45 of the rotary table 44 by the pressing tool 48. Will be affixed to.

  The supply reel 11 is replaced, and the pressure tool 48 is heated up until the cutting portion 12a of the adhesive tape 12 that has been first divided into a predetermined length by the cutting mechanism 31 and the extraction mechanism 36 is conveyed to the sticking position B. The release tape 13 is heated in the same manner as in actual operation by raising the height to H2.

  Therefore, even if the automatic operation of the sticking apparatus is started after cueing the cutting portion 12a of the adhesive tape 12 that is initially divided into the predetermined length, the release tape 13 is removed from the pressurizing tool 48 by the automatic operation. Since there is no change in the effect of heat, the release tape 13 does not newly stretch.

  Accordingly, if the release tape 13 is conveyed by the feed chuck 18 with a predetermined stroke, the cutting portion 12a cut to a predetermined length according to the accuracy of the first cueing is precisely positioned at the sticking position B. Therefore, the cutting part 12a can be adhered to the TCP 42 with an accuracy according to the positioning accuracy. That is, the cut portion 12a of the adhesive tape 12 can be attached to the TCP 42 without causing a positional shift.

  The heating (preliminary heating) of the release tape 13 until the cut portion 12a of the adhesive tape 12 cut to a predetermined length is cued is a sticking position B where the cut portion 12a is stuck to the TCP 42. This is performed by a heater 50 provided in the pressing tool 48.

  That is, the preheating of the release tape 13 is performed under the same conditions as when the cut portion 12a cut to a predetermined length of the adhesive tape 12 is attached to the TCP 42, and at the attachment position B which is the same place. ing.

  Therefore, the release tape 13 can be heated in substantially the same state as when the cut portion 12a of the adhesive tape 12 is attached to the TCP 42, and the elongation of the release tape 13 can be set to the same amount as during actual operation. Therefore, the sticking accuracy of the cutting part 12a with respect to the TCP 42 can also be improved.

  The adhesive tape 12 is not adhered to the release tape 13 until the cut portion 12a of the adhesive tape 12 that has been first cut to a predetermined length by the cutting mechanism 31 and the extraction mechanism 36 is conveyed to the attachment position B. Therefore, the release tape 13 is more likely to be pressed by the pressing tool 48 than in the case where it is stuck. That is, the release tape 13 is in a state in which the temperature is likely to rise, that is, in a state in which the amount of elongation increases compared to the actual operation.

  Therefore, the release tape 13 is heated by the pressurizing tool 48 based on the detection of the detection sensor 58 that detects whether or not the adhesive tape 12 is attached to the release tape 13 conveyed to the attachment position B. Is controlled by the control device 25.

  The control is performed, for example, by reducing the voltage supplied to the heater 50 provided in the pressure tool 48 so that the heating temperature of the release tape 13 by the pressure tool 48 is lowered. Thereby, the release tape 13 can be heated to a temperature at which the elongation amount is the same as when the adhesive tape 12 is adhered. That is, it is possible to heat the release tape 13 so as to thermally expand at the same temperature as in actual operation, that is, the same length.

  Thereby, if the cut part 12a of the adhesive tape 12 cut | disconnected by the predetermined length first is cued, it becomes possible to position the subsequent cut part 12a by the sticking position B with still higher precision.

  In the above-described embodiment, the heating temperature of the release tape is changed by controlling energization to the heater provided in the pressure tool based on detection of whether or not the adhesive tape is adhered to the release tape. However, the heating of the release tape may be controlled by other means such as changing the rising height of the pressure tool. For example, if you want to increase the amount of elongation by increasing the heating temperature, set the heating height H2 to a high position, and if you want to decrease the amount of elongation by reducing the heating temperature, set the heating height H2 to a low position. That's fine.

  DESCRIPTION OF SYMBOLS 11 ... Supply reel, 12 ... Adhesive tape, 13 ... Release tape, 20 ... Conveyance means, 25 ... Control apparatus, 31 ... Cutting mechanism, 36 ... Extraction mechanism, 42 ... TCP (electronic component), 47 ... Adhesion means, 48 ... Pressure tool, 49 ... Drive means, 50 ... Heater, 58 ... Detection sensor.

Claims (5)

An adhesive tape attaching device for attaching an adhesive tape attached to a release tape and cut to a predetermined length to an electronic component,
A supply reel wound with the release tape;
Conveying means for intermittently pulling out the release tape from the supply reel by a predetermined length;
A cutting mechanism for cutting the adhesive tape attached to the release tape pulled out and conveyed by the conveying means into the predetermined length;
Adhering means for applying pressure to the electronic component waiting at the adhering position and adhering the adhesive tape of the predetermined length cut by the cutting mechanism and positioned at the adhering position;
When the supply reel is replaced with a new supply reel, the release tape is transported by the transport means, and the adhesive tape cut to a predetermined length by the cutting mechanism is positioned at the sticking position. Up to now, a control means for controlling the drive of the sticking means and heating the release tape by the sticking means is provided. The adhering means includes a pressurizing tool having a heater, and a driving means for driving the pressurizing tool in an up and down direction that comes in contact with and separates from the release tape,
The drive means waits at the sticking position for the pressure tool by the control means at a standby height, a heating height closer to the release tape than the standby height, and an adhesive tape cut to a predetermined length. The electronic component is driven and controlled so as to be positioned at three heights of pressure to heat and pressurize the electronic component,
2. The pressure-sensitive adhesive tape according to claim 1, wherein when the release reel is heated by replacing the supply reel with a new supply reel, the pressure tool is positioned at the heating height by the control means. Sticking device. The drive means includes a first vertical drive means having the pressing tool attached to a first drive shaft, and a second drive shaft fixed to the base portion. It is constituted by a second vertical drive means in which a part for moving the first drive shaft of the first vertical drive means up and down is attached to the upper surface of the part that moves up and down,
When the second drive shaft is driven to the ascent limit, the pressurizing tool rises from the standby height to the heating height, and in this state, the first drive shaft is driven to the ascent limit. The pressure-sensitive adhesive tape sticking apparatus according to claim 2, wherein the pressure tool rises from the heating height to the pressure height. A detection sensor that detects whether or not an adhesive tape is attached to the release tape is provided on the upstream side of the attachment position,
The pressure-sensitive adhesive tape sticking apparatus according to claim 1 or 2, wherein the control means controls heating of the release tape by the sticking means based on detection by the detection sensor. The release tape wound around the supply reel is fed out and transported, the adhesive tape attached to the release tape is cut into a predetermined length, and heated with a pressure tool at the attachment position to electronic components. A method of attaching an adhesive tape to be attached to
When the supply reel is replaced with a new supply reel, the release tape is transported until the adhesive tape that has been cut to a predetermined length after being transported to the release tape is positioned at the sticking position. A method for sticking a pressure-sensitive adhesive tape, wherein the method is heated by the pressure tool.

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