JP2004001834A - Covering material thermocompression-bonding device of component storing carrier tape and taping device having the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a novel fitting structure for a thermocompression bonding mold which enables the mold to be easily dismounted from/mounted on a thermocompression bonding device. <P>SOLUTION: A heating unit 1343 incorporating a heater via a heat insulating material 1342 is securely mounted on a mounting part 1341 of a thermocompression bonding head 134. Spindle-like engaging parts 1344b are protrusively provided respectively on the front and rear sides of the thermocompression bonding mold 1344. A joint 1343a provided on the heating unit 1343 joins a joint region 1345a of an elastic member 1345 with the heating unit 1343. In addition, a locking part 1343b is provided on the other side of the heating unit 1343. The elastic member 1345 has the joint region 1345a pivoted to the joint 1343a and a pair of elastic arms extending from both front and rear ends of the region 1345a, and is structured in a U-shape as a whole. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a thermocompression bonding apparatus for a covering material for a carrier tape for housing components and a taping apparatus including the same, and more particularly to a mounting structure of a thermocompression bonding type in the thermocompression bonding apparatus.
[0002]
[Prior art]
In general, a taping device for accommodating electronic components in a synthetic resin carrier tape having a component accommodating recess also called an embossed tape or the like and covering a cover tape formed of a synthetic film or the like on the carrier tape is known. ing. This type of taping device usually produces a reel of carrier tape containing a large number of electronic components such as semiconductor ICs.
[0003]
In the taping device, a thermocompression bonding device for thermocompression bonding the cover tape to the carrier tape after accommodating the electronic component in the component accommodating recess of the carrier tape is attached. In this thermocompression bonding apparatus, the cover tape is lowered from above with the cover tape disposed on the carrier tape, and the cover tape is heated and simultaneously heated, so that the cover tape is thermally welded to the carrier tape.
[0004]
The thermocompression bonding apparatus includes a thermocompression die that directly contacts the cover tape, and a heating unit having a built-in heater for heating the thermocompression die. The thermocompression bonding type is detachably attached to the heating unit by bolts or the like. Since it is necessary to change the shape of the thermo-compression die according to the shape of the carrier tape, it is common practice to replace and attach a thermo-compression die with a mold surface part corresponding to the carrier tape to operate the taping device. I have.
[0005]
[Problems to be solved by the invention]
However, in the above conventional taping device, when replacing the thermocompression bonding type of the thermocompression bonding device, remove the thermocompression bonding type from under the heating unit while loosening bolts and the like, and place a new thermocompression bonding type under the heating unit. An operation of arranging and fixing bolts and the like again is required. In this work, it is necessary to remove or attach the bolts while supporting the heavy thermocompression die, which places a heavy burden on the operator. In some cases, an accident such as damaging the surface of the crimping die may occur.
[0006]
Therefore, the present invention is to solve the above problems, and an object of the present invention is to provide a new thermocompression bonding structure that enables easy removal and mounting of a thermocompression die in a thermocompression bonding apparatus. It is in.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a thermocompression bonding apparatus of the present invention includes a heating unit, a thermocompression bonding type that thermocompression-bonds the coating material while receiving heat from the heating unit, and the thermocompression bonding type to the heating unit. Holding and fixing means for holding and fixing the contact state, wherein the holding and fixing means is provided with an engaging portion provided on one of the heating portion and the thermocompression bonding die, and the heating portion and the thermocompression bonding type. A free end portion that is connected to the other one of the two and is configured to be engageable with the engaging portion, and that is disposed on a side opposite to the connecting portion with respect to the other when viewed from the engaging portion with respect to the engaging portion. And an engaging portion provided on the other side for engaging the vicinity of the free end of the elastic member.
[0008]
A heating unit, a thermocompression die for thermocompression bonding the coating material while receiving heat from the heating unit, and a holding and fixing unit for holding and fixing a state in which the thermocompression die is in contact with the heating unit; The holding and fixing means is connected to an engaging portion provided on one of the thermocompression bonding dies and the heating portion, and is configured to be engageable with the engaging portion. An elastic member having a free end disposed on a side opposite to a connection portion with respect to the heating portion when viewed from an engagement portion with respect to the portion, and provided on the heating portion for locking the free end of the elastic member. And a locking portion provided.
[0009]
According to the present invention, by setting the engagement portion of the elastic member to the engagement portion and engaging the vicinity of the free end of the elastic member with the engagement portion, the elastic member can be connected to the connection portion. Since the engaging portion is supported on both sides of the engaging portion by the portion locked to the locking portion, the engaging portion is supported by the elastic member. Can be held and fixed. In this case, when attaching and detaching the thermocompression bonding type to and from the heating unit, simply lock the free end of the elastic member to the locking unit or remove the free end of the elastic member from the locking unit. Therefore, it is possible to remove and attach the thermocompression bonding type with a very simple operation. Further, since the elastic member can be easily deformed by elasticity when the free end is locked to or released from the locking portion, not much force is required for the work, and the work labor can be reduced. . Furthermore, since the thermocompression bonding die can be pressed against the heating unit by the elastic force of the elastic member, it is possible to suppress a change in the holding and fixing force between the heating unit and the thermocompression bonding die, Since it is possible to flexibly respond to changes in shape, etc., there is a looseness of the thermocompression type due to insufficient holding and fixing force, and a contact surface of the thermocompression type or heating part due to excessive holding and fixing force. Damage and wear can be prevented.
[0010]
In the present invention, when the engagement portion is provided on one of the heating portion and the thermocompression bonding type, the engagement portion is fitted on the other of the heating portion and the thermocompression bonding type. It is preferable that a fitting portion is provided. Further, when the thermocompression bonding type is provided with the engaging portion, it is preferable that the heating portion is provided with a fitting portion that fits into the engaging portion. Since the heating portion and the thermocompression-bonding die are fitted to each other and positioned by the provision of the fitting portion to be fitted to the engagement portion, the thermocompression-bonding die can be more reliably brought into contact with the heating portion. Can be. Here, the thermocompression bonding type may be configured to be fitted to the heating portion and positioned at a portion other than the engagement portion, instead of the fitting portion being fitted to the engagement portion.
[0011]
In the present invention, it is preferable that the elastic member bends in the direction of engagement with the engagement portion near the engagement site. Since the elastic member is bent in the engaging direction in the vicinity of the engaging portion, the elastic member and the engaging portion can be engaged with each other in a more stable state, and the free end of the elastic member is The operation of engaging the engaging portion or, on the contrary, removing the free end portion from the engaging portion can be performed more easily.
[0012]
Here, the “engagement direction” refers to the direction in which the engagement portion of the elastic member engages with the engagement portion (direction in which it contacts). Therefore, when the engagement portion of the elastic member is in contact with the engagement portion from below the engagement portion, the “engagement direction” is upward. In this case, by deforming the free end of the elastic member upward, the free end can be locked to the locking portion, and the free end can be temporarily deformed upward. Thereby, the free end can be removed from the locking portion.
[0013]
In the present invention, the elastic member is bent between the connection portion and the engagement portion and between the engagement portion and the free end, and the engagement portion extends substantially linearly. It is preferable that it is comprised as follows. Since the engaging portion of the elastic member is configured to extend substantially linearly and is refracted on both sides thereof, the elastic member as a whole is refracted near the engaging portion as described above. At the same time, it is possible to accurately apply an elastic force to the engagement portion in the contact direction between the heating portion and the thermocompression bonding die by the linear engagement portion.
[0014]
In the present invention, the engaging portions are respectively arranged on both sides of the thermocompression bonding type, and the elastic member includes a pair of the engaging portions respectively engaging with the engaging portions on both sides. Is preferred. Engaging portions are provided on both sides of the thermocompression die, and these engagement portions are engaged and held by a pair of engagement portions of the elastic member, so that the thermocompression die can be more securely held and fixed. Can be. The above description defines only the position (arrangement) of the engaging portion, and the engaging portion may be provided in any of the heating portion and the thermocompression bonding type.
[0015]
In the present invention, it is preferable that the elastic member has a pair of elastic arms extending from the connection site along both sides of the thermocompression bonding type to constitute the engagement site and the free end. Since the pair of elastic arms extend along both sides of the thermocompression bonding die and hold and fix each side of the thermocompression bonding die, the thermocompression bonding die can be more reliably held and fixed.
[0016]
In the present invention, the elastic member preferably has a U shape in which the pair of elastic arms are integrally connected at the connection portion. Since the elastic arms have a U-shape in which the elastic arms are integrally connected at the connection portion, the holding and fixing force of the pair of elastic arms along the both sides of the thermocompression bonding type can be maintained uniformly. Furthermore, the thermocompression bonding die can be stably held and fixed.
[0017]
A taping device according to the present invention includes the thermocompression device according to any one of the above as a coating material thermocompression device for a component-accommodating carrier tape. In the taping device, since the thermocompression bonding type of the thermocompression bonding device is provided so as to be opposed to the portion where the carrier tape is erected, it is easy to remove and attach the thermocompression bonding type. According to the present invention, since these operations can be easily performed, workability such as replacement of a thermocompression bonding type can be greatly improved.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of a thermocompression bonding apparatus according to the present invention will be described in detail with reference to the accompanying drawings. The thermocompression bonding head, which is an embodiment of the thermocompression bonding apparatus, is used by being mounted on the taping apparatus 100 shown in FIGS. 5 and 6, and therefore, the taping apparatus 100 will be briefly described first.
[0019]
The taping device 100 is provided with a tape guide means for extending the carrier tape CT from the supply reel 112 loaded on the supply reel shaft 101 to the recovery reel 113 loaded on the recovery reel shaft 111 and feeding the carrier tape at a predetermined speed. I have. The tape guiding means includes a tension roller 102, a guide roller 103, a transport roller 104, a press roller 105, a guide table 106, a transport roller 107, a press roller 108, a guide roller 109, a tension roller 110, and the like.
[0020]
Further, the component supply head 121 is configured to be movable by a moving mechanism 122 configured by a rectangular coordinate robot or the like. The component supply head 121 is movable in the front-rear direction (the direction perpendicular to the plane of FIG. 5 or the vertical direction of FIG. 6), the vertical direction (the vertical direction of FIG. 5, or the direction perpendicular to the plane of FIG. 6), and the left-right direction. It is configured. A transport conveyor 123 for transporting the tray TR on which the components P are mounted is disposed below the component supply head 121, and supplies the tray TR to a position directly below the component supply head 121 and removes the tray TR from the position immediately below. It is configured as follows. As shown in FIG. 6, an inspection camera 125 that inspects the component P held by the component supply head 121 from below during the component supply is disposed between the transport conveyor 123 and the guide table 106. . Further, at a component inspection position C between a component supply position A to the carrier tape by the component supply head 121 on the guide table 106 and a component covering position B set immediately below a thermocompression bonding head 134 described later, An inspection camera 124 for inspecting the part P in the carrier tape housing recess on the top 106 from above is arranged.
[0021]
Further, a cover tape supply reel shaft 131 is arranged above the downstream side of the guide table 106, and the cover tape TT is pulled out from the cover tape supply reel 132 loaded on the cover tape supply reel shaft 131, and the cover tape TT is pulled up to above the guide table 106. A guide roller array 133 for guiding is provided.
[0022]
A thermocompression head 134 is arranged on the guide table 106. The thermocompression bonding head 134 is configured to thermocompression-bond the cover tape TT to the carrier tape CT slightly downstream from the position on the guide table 106 where the cover tape TT is supplied by the guide roller array 133. I have.
[0023]
As shown in FIG. 6, a transfer arm 200 that is movable in the guide direction of the carrier tape CT and that is rotatable is provided on the near side of the guide table 106. A component storage stage 201 that can store a plurality of components P is provided beside the transfer arm 200. The moving arm 200 is for taking out a part determined to be defective by the inspection camera 125 from the carrier tape CT and introducing a new part to the carrier tape CT below the inspection camera 125.
[0024]
The taping device 100 of the present embodiment is controlled by the control device 150. The operation panel 151 including a monitor and the like is provided with a plurality of operation switches, and by operating these operation switches, an appropriate operation state described later can be obtained.
[0025]
In the present embodiment, a peeling unit 140 is mounted above the guide table 106 on the upstream side. The whole peeling unit 140 is detachably attached to the taping device 100. The peeling unit 140 is a mechanism for peeling off the cover tape TT from the already taped carrier tape CT and winding it up.
[0026]
In the taping apparatus 100 configured as described above, as shown in FIGS. 5 and 6, a supply reel 112 formed by winding a carrier tape CT around a supply reel shaft 101 is loaded, and an empty The collection reel 113 is loaded, the carrier tape CT of the supply reel 112 is laid along the transport path of the tape guide means, and attached to the collection reel 113. Further, a cover tape reel 132 formed by winding a cover tape TT is loaded on a cover tape reel shaft 131, the cover tape TT is pulled out from the reel 132, and the conveying roller 107 and the pressing roller 108 and the It is erected along with the carrier tape CT along the erection path of the tape guide means on the downstream side, and is connected to the collection reel 113.
[0027]
Then, by operating the operation panel 151, the carrier tape CT is sent by the tape erection means, and the component supply head 121 supplies the components P on the tray TR one by one to the receiving recesses of the carrier tape CT. . In the present embodiment, the transport of the carrier tape CT by the tape guiding means is intermittent.
[0028]
After the component P is supplied onto the carrier tape CT as described above, the carrier tape CT advances on the guide table 106, and the component P is inspected by the inspection camera 124 at the component inspection position C shown in FIG. Here, if the component P is normal, it is conveyed as it is, and after the cover tape TT is supplied onto the carrier tape CT, the cover tape TT is thermocompression-bonded to the carrier tape CT at the component covering position B by the thermocompression bonding head 134. Thereby, the component P is hermetically sealed by the carrier tape CT and the cover tape TT. The stored tape composed of the carrier tape CT and the cover tape TT in which the components P are sealed as described above is finally wound up on the collection reel 113.
[0029]
Next, the thermocompression bonding head 134 corresponding to the thermocompression bonding apparatus according to the present invention will be described in detail. The thermocompression bonding head 134 is configured to be entirely movable up and down with respect to the guide table 106. FIG. 1 is a diagram of the thermocompression bonding head 134 as viewed from the front side of the taping device 100, and FIG. 2 is a diagram of the thermocompression bonding head 134 as viewed in the direction in which the carrier tape CT mounted on the taping device 100 is laid. .
[0030]
The thermocompression bonding head 134 is provided with a mounting portion 1341 at its lower part. A heat insulating material 1342 is in contact with the mounting portion 1341, and a heating portion 1343 having a built-in heater is fixed to the mounting portion 1341 via the heat insulating material 1342. A thermocompression die 1344 is fitted into the heating part 1343 from below.
[0031]
As shown in FIG. 3, the thermocompression die 1344 is provided with a die surface portion 1344a that is disposed above the guide table 106 so as to face the same. The mold surface portion 1344a is for pressing the cover tape TT against the carrier tape CT guided on the guide table 106 and thermocompression-bonding the cover tape TT to the carrier tape CT. Shaft-shaped engaging portions 1344b are provided to project from front and rear sides of the thermocompression bonding mold 1344, respectively.
[0032]
The heating section 1343 is provided with a connection section 1343a on one side thereof. The connection part 1343a attaches the connection part 1345a of the elastic member 1345 to the heating part 1343. Here, the connection portion 1345a may be rotatably attached to the heating unit 1343. A pair of front and rear locking portions 1343b is provided on the other side of the heating portion 1343. The locking portion 1343b has a hook shape facing upward. Notched grooves 1343c are formed on the front and rear sides of the heating portion 1343 at positions between the connection portion 1343a and the locking portion 1343b of the heating portion 1343, respectively.
[0033]
The elastic member 1345 is made of a metal wire or the like. As shown in FIG. 3, it has a connection portion 1345 a pivotally supported by the connection portion 1343 a and a pair of elastic arms extending from both front and rear ends of the connection portion 1345 a, and has a generally U-shaped configuration. Have been. The elastic arm portion has a free end portion 1345c at the distal end via an engagement portion 1345b provided substantially in the middle. The elastic arm has a shape bent upward on both sides of the engagement portion 1345b. The engaging portion 1345b is configured to extend substantially linearly, and the engaging portion 1345b is configured to engage with the engaging portion 1344b of the thermocompression die 1344. The free end 1345c at the tip of the elastic arm is formed by rounding the wire at the tip.
[0034]
In the present embodiment, with the thermocompression die 1344 arranged below the heating part 1343, the engaging part 1344b of the thermocompression die 1344 is fitted to the fitting part 1343c of the heating part 1343, and then the elastic member 1345 By pulling up the free end 1345c upward and engaging the engaging portion 1343b provided on the heating portion 1343, the engaging portion 1345b of the elastic member 1345 engages with the engaging portion 1344b of the thermocompression die 1344, Since the thermo-compression die 1344 is pushed up by the elastic force, the thermo-compression die 1344 can be held and fixed in the state shown in FIG.
[0035]
Also, by removing the free end 1345c of the elastic member 1345 from the locking portion 1343b from the state shown in the figure, the thermocompression bonding mold 1344 can be very easily removed from the heating portion 1343.
[0036]
The mold surface portion 1344a of the thermocompression die 1344 has a surface shape according to the shape of the thermocompression bonding portion between the carrier tape CT and the cover tape TT. Therefore, in order to appropriately change the surface shape of the mold surface portion 1344a according to the structure of the carrier tape CT, the thermocompression bonding die 1344 needs to be appropriately replaced in the thermocompression bonding head 134. When exchanging the thermocompression die 1344, for example, a die holder 160 shown in FIG. 4 is used. In this case, holding the handle 162 of the mold holder 160, the holder 161 is disposed below the thermocompression die 1344 attached to the thermocompression head 134. In this state, the free end 1345c of the elastic member 1345 is detached from the locking portion 1343b as described above, the thermocompression die 1344 is removed from the heating portion 1343, and the thermocompression die 1344 is placed on the holding portion 161. Then, the thermocompression die 1344 is removed from the apparatus.
[0037]
Next, a new thermocompression die 1344 is placed on the holding unit 161 and is arranged below the heating unit 1343 of the thermocompression head 134. Then, the thermocompression bonding type 1344 is raised so that the engagement portion 1344b of the thermocompression bonding type 1344 is fitted to the fitting portion 1343c of the heating portion 1343 while being placed on the holding portion 161. After confirming that the engaging portion 1344b has been fitted to the fitting portion 1343c, the free end portion 1345c of the elastic member 1345 is pulled up and locked by the locking portion 1343b. As a result, the new thermocompression bonding die 1344 is mounted on the thermocompression bonding head 134. The holding portion 161 of the mold holder 160 is provided with a concave portion 161a. The thermocompression bonding die 1344 has an edge portion of the concave portion 161a such that when placed on the holding portion 161, the mold surface portion 1344a is housed in the concave portion 161a without contacting the inner bottom surface of the concave portion 161a. Engages. Thereby, since the thermocompression bonding mold 1344 is roughly positioned on the holding portion 161, the mounting operation and the removing operation are facilitated. In addition, during the attaching operation and the detaching operation, when the thermocompression bonding mold 1344 engages with the heating unit 1343 on the holding unit 161, the mold holder 160 does not move and the mold surface unit 1344a does not rub against the holding unit 161. Therefore, it is possible to prevent the mold surface portion 1344a from being damaged.
[0038]
It should be noted that the thermocompression bonding apparatus of the present invention is not limited to the illustrated example described above, and it is needless to say that various changes can be made without departing from the spirit of the present invention. For example, in the above-described embodiment, the elastic member 1345 is connected to the heating unit 1343, and the free end 1345 c of the elastic member 1345 is locked to the locking unit 1343 b provided on the heating unit 1343, whereby the engagement of the elastic member 1345 is performed. The joining portion 1345c is configured to engage with the engaging portion 1344b of the thermocompression bonding type 1344 to hold and fix the thermocompression bonding type 1344 to the heating portion 1343. However, differently from the above, for example, the elastic member is connected to the thermocompression bonding type, a locking portion is provided, the engaging portion is provided in the heating portion, and the free end of the elastic member is connected to the thermocompression bonding type locking portion. By locking, the engagement portion of the elastic member may be engaged with the engagement portion of the heating unit, and the thermocompression bonding die may be held and fixed to the heating unit.
[0039]
【The invention's effect】
As described above, according to the present invention, removal and attachment of the thermocompression bonding die to and from the heating unit can be performed very easily.
[Brief description of the drawings]
FIG. 1 is a schematic front view of an embodiment of a thermocompression bonding apparatus according to the present invention.
FIG. 2 is a schematic side view of the embodiment.
FIG. 3 is an exploded perspective view showing a structure of a thermocompression bonding type and an elastic member in the embodiment.
FIG. 4 is a schematic perspective view showing a state in which a mold holder is used when exchanging the thermocompression bonding mold of the embodiment.
FIG. 5 is a schematic front view showing a configuration of a taping device including a thermocompression bonding device (thermocompression bonding head).
FIG. 6 is a schematic plan view of a taping device.
[Explanation of symbols]
100: Taping device, 134: Thermocompression bonding head, 1341: Mounting part, 1342: Heat insulating material, 1343: Heating part, 1343a: Connection part, 1343b: Locking part ... 1343c ... fitting part, 1344 ... thermocompression bonding type, 1344a ... mold surface part, 1344b ... engaging part, 1345 ... elastic member, 1345a ... connecting part, 1345b ... Engagement site, 1345c: Free end, 160: Mold holder, CT: Carrier tape, TT: Cover tape, P: Parts

Claims (10)

A coating material thermocompression bonding device for thermocompression bonding the coating material to the carrier tape for component storage,
A heating unit, a thermocompression die for thermocompression-bonding the coating material while receiving heat from the heating unit, and holding and fixing means for holding and fixing a state in which the thermocompression die is in contact with the heating unit,
The holding and fixing means is connected to an engaging portion provided on one of the heating portion and the thermocompression bonding type, and is connected to the other of the heating portion and the thermocompression bonding type, and is engaged with the engaging portion. And an elastic member having a free end disposed on the opposite side to the connection part with respect to the other part when viewed from the engagement part with respect to the engagement part, and the free end of the elastic member. And a locking portion provided on the other side for locking the vicinity thereof. The covering material thermocompression bonding apparatus according to claim 1, wherein a fitting portion that fits into the engagement portion is provided on the other of the heating unit and the thermocompression bonding type. A coating material thermocompression bonding device for thermocompression bonding the coating material to the carrier tape for component storage,
A heating unit, a thermocompression die for thermocompression-bonding the coating material while receiving heat from the heating unit, and holding and fixing means for holding and fixing a state in which the thermocompression die is in contact with the heating unit,
The holding and fixing means is connected to the engaging portion provided in the thermocompression bonding die, the heating portion, and is configured to be engageable with the engaging portion. An elastic member having a free end disposed on a side opposite to a connection portion with respect to the heating unit, and a lock provided on the heating unit for locking the vicinity of the free end of the elastic member. And a cover material thermocompression bonding device for a carrier tape for housing components. The covering material thermocompression bonding apparatus according to claim 3, wherein a fitting portion that fits into the engaging portion is provided in the heating unit. The carrier tape for component accommodation according to any one of claims 1 to 4, wherein the elastic member is bent in the direction of engagement with the engagement portion near the engagement portion. Coating material thermocompression bonding equipment. The elastic member is configured to bend between the connection site and the engagement site and between the engagement site and the free end, respectively, so that the engagement site extends substantially linearly. The coating material thermocompression bonding apparatus for a carrier tape for component storage according to claim 5, wherein The engaging portion is disposed on each of both sides of the thermocompression bonding type, and the elastic member includes a pair of the engaging portions respectively engaging with the engaging portions on both sides. The coating material thermocompression bonding apparatus for a component accommodating carrier tape according to any one of claims 1 to 6. The said elastic member has a pair of elastic arm part which extends along the both sides of the said thermocompression-bonding type | mold from the said connection part, and comprises the said engagement part and the said free end part, The Claims 7 characterized by the above-mentioned. Thermocompression bonding device for carrier tape for accommodating parts. 9. The thermocompression bonding apparatus for a carrier tape for component storage according to claim 8, wherein the elastic member has a U shape in which the pair of elastic arms are integrally connected at the connection portion. A taping device provided with a device for thermocompressing a covering material for a component-accommodating carrier tape according to claim 1.

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