JPS584809B2 - Lead wire attachment device for electronic components - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lead wire attachment device for an electronic component for attaching a lead wire to an element body such as a core.

BACKGROUND ART Conventionally, when manufacturing electronic components such as inductance elements, lead wires are generally attached to an element body such as a core manually.

For this reason, work efficiency was low and costs were high.

In view of the above point K, the present invention aims to provide an electronic component lead wire attachment device that can fully automatically attach a lead wire to an electronic component element body.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of an electronic component lead wire attachment device according to the present invention will be described with reference to the drawings.

1 to 3 show the overall structure of the embodiment.

In these figures, a support frame 2 is fixed on a base 1, and a first intermittent transfer mechanism 3 is disposed in front of the support frame 2.

The support frame 2 is provided with, from the left, a component extraction mechanism 4, a lead wire supply mechanism 5, an element body supply section 6 such as a core, an adhesive supply section T, and a lead wire bonding mechanism 8.

Further, on the right side of the support frame 2, a second intermittent transfer mechanism 9 is provided at the rear κ.
The third intermittent transfer mechanism 10 is on the left side, and the fourth intermittent transfer mechanism 11 is on the left side.
A drying oven 12 is provided above the third intermittent transfer mechanism 10.

Pallets 20 are arranged in a horizontal row on the first intermittent transfer mechanism 3, and pallets 20 are arranged in a vertical row on the second intermittent transfer mechanism 9.

Moreover, the pallets 20 are arranged in three rows in the horizontal direction on the third intermittent transfer mechanism 10, and the pallets 20 are arranged in one row in the vertical direction on the fourth intermittent transfer mechanism 11.

4 through 6 show details of the pallet 20. FIG.

In these figures, the pallet 20 has a central protrusion 21 in the center, and side protrusions 22A, 22B, and 22C on both sides of the central protrusion 21.

Element body receiving grooves 23 for receiving elements such as cores are formed at regular intervals in the central convex portion 21, and the lateral convex portions 22A, 2
2B, 22C have lead wire receiving grooves 24A, 24B, 24
C are formed respectively.

Further, a sawtooth-like feed groove 25 is formed on the lower surface of the pallet 20.

As shown in FIGS. 2, 3, and 7, the first intermittent transfer mechanism 3 includes a mechanism 1 that slidably supports the pallet 20.
It has a pair of guide rails 30, a moving plate 31, and a feed pawl 32 pivotally mounted thereon, and a slide shaft 34 is mounted in parallel below the moving plate 31 via a mounting bracket 33. There is.

A slide bearing 36 is fixed on the support plate 35 fixed to the base 1 side, and the slide shaft 34 is slidably supported by the slide bearing 36.

The movable plate 31 is driven to reciprocate by an air cylinder 37 disposed on the side surface of the base parallel to the movable plate 31.

The feed pawl 32 is biased by an extension spring 38 so that the tip of the feed pawl 32 protrudes and engages with the serrated feed groove 25 of the pallet 20.

Therefore, when the movable plate 31 is moved forward by the air cylinder 37 as shown by arrow A, the pallet 20 is advanced by the engagement between the feed pawl 32 and the feed groove 25, and conversely, when the movable plate 31 is retreated, the pallet 20 is moved forward by the engagement between the feed pawl 32 and the feed groove 25. Since the feed groove 25 is no longer secured, the pallet 20 comes to a halt.

The lead wire supply mechanism 5 includes a crushing forming section that forms a crushing at the end of the lead wire, and a distribution supplying section that distributes and supplies the crushed lead wire to both lead wire receiving grooves 24A to 24C of the pallet 20. Consists of.

The crushing forming part 40 is arranged at the upper part of the support frame 2, and as shown in FIGS. 8 and 9, it serves as a metal wire strainer 42 for straightening the metal wire 41 that has been wound in a curly manner. , has a metal wire guide 43 that guides the metal wire 41 in a straight line, and a feed chuck 44, and the reciprocating movement of the feed chuck 44 causes the metal wire 4 of a certain length to be moved from the fixing force vine 45.
1 is pushed out.

A movable cutter 46 is attached to one end of a bell crank 47 so as to be movable up and down along the cutting surface of the fixed cutter 45.

The bell crank 4γ is pivotally supported on the support frame 2 side,
A row 248 is provided at the other end of the bell crank 47.

Further, a drive shaft 49 is supported on the support frame 2, and the roller 4 is connected to a cutter cam 50 fixed to the drive shaft 49.
8 comes into contact.

Therefore, due to the rotation of the cutter cam 50, the bell crank 47
rotates, and as a result, the movable cutter 46 moves up and down.

A fixed mold 52 is fixed on a support stand 51 fixed to the support frame 2 side, and a movable mold 54 is fixed on a movable mold mounting plate 53 slidably provided on the support stand 51. be done.

As shown in FIG.
It has four parts 57 at the tip that fit with the.

The movable mold mounting plate 53 is urged in the backward direction by an extension spring 58, and a row 2 is provided at the rear end of the movable mold mounting plate 53.
59 is provided, and the roller 59 comes into contact with a movable cam 60 fixed to the drive shaft 49.

Therefore, the movable mold 54 performs a reciprocating sliding motion by the rotation of the movable cam 60, and the tip of the metal wire 41 is held between it and the fixed mold 52 when moving forward.

Note that the crushing pin chuck 55 also performs reciprocating motion by a cam mechanism.

In the collapsed bottom portion 40 as described above, a metal wire 41 of a certain length is projected from the fixing forceter 45 by moving the feed chuck 44 in the direction of arrow B.

The tip of the metal wire 41 is held between the moving die 54 and the fixed die 52 which have moved forward, and in this state, the crushing pin 56 is advanced in the direction of arrow C to crush the tip of the metal wire 41 within the recess 57.

Then, the feeder chuck 44 is moved back slightly by about 1.5 steps, and the movable mold 54 is also moved back.

After that, the metal wire 41 is slightly fed through the feed chuck 44, and the crushing pin 56 is advanced again with the tip of the metal wire 41 being sandwiched between the fixed mold 52 and the movable mold 54.
The tip of the metal wire 41 is crushed again.

Then, the metal wire 41 is cut by the movable force ivy 46 while the feed chuck 44, movable mold 54, and crushing pin 56 are retracted.

As a result, as shown in FIG.
is supplied to the distribution supply section 70 via the chute 62.

As shown in FIGS. 12 and 13, the distribution supply unit 70 includes a branch block 72 mounted on a support plate 71 fixed to the support frame 2, and a branch path 73 formed in the branch block 72. The distribution member 14 is provided at the branch point.

The distribution member 74 is fixed to a distribution shaft 16 which is pivotally supported on the support plate T1 by a bearing 75, and a distribution arm 77 is fixed to the distribution shaft 76.

A slide par 78 is slidably supported on the lower surface of the support plate 71 by a ball pusher 79.
The upper end of 8 is connected to the distribution arm TI, and the lower end is pivotally connected to the row 280.

On the other hand, in the support plate 71K, a drive shaft 83 is pivotally supported by bearings 81 and 82, and a distribution cam 84 is fixed to this drive shaft 83.

The row 280 comes into contact with the distribution cam 84, thereby driving the distribution member 74.

Lead wire supply arms 86A and 86B are pivotally attached to the support plate 71 via brackets 85, and the support plate 71
A lead wire receiving member 87 is fixed to the lower end of the lead wire receiving member 87.

This lead wire receiving member 87 is located slightly above the pallet 20 on the first intermittent transfer mechanism 3, and the left space 88
A and a right space 88B.

In the left and right spaces 88A and 88B, a lead wire transfer pipe 89 communicating with the branch path 73 of the branch block 72 is provided.
The husband lead wire 61 is transferred via A and 89B.

Rollers 90A and 90B are pivotally attached to the lead wire supply arms 86A and 86B, respectively, and these rollers 90A and 90B contact lead wire supply cams 91A and 91B fixed to the drive shaft 83, respectively. Compression springs 93A, 93B are provided between the spring mounting plate 92 and each arm 86A, 86B so as to be in contact with each other.

Furthermore, partition plates 94A and 94B are attached to the tips of the lead wire supply arms 86A and 86B, respectively, so that the spaces 88A and 88 inside the lead wire receiving member 87
The lower end of B is closed.

Note that a sprocket 95 is fixed to the drive shaft 83 and receives a driving force via a chain.

In the above-mentioned distribution supply section 70, the lead wire 61 that has fallen from the chute 62 is placed in the branch path 7 with the crushing 60 facing down.
3 and are alternately distributed and transferred to the left space 88A1 and the right space 88B by the distribution member 74.

Then, the lead wire supply arms 86A, 86B corresponding to the sorting member 74K are operated in the direction of arrow D, and the partition plate 94 is
By lifting A and 94B, the lead wires 61 are dropped onto the lead wire receiving grooves 24A, 24B and 24C on the pallet 20, as shown in FIG.

As shown in FIG. 15, the element body supply section 6 includes a horizontal supply path 100 and a vertical supply path 10 bent in an L shape in contrast to the horizontal supply path 100.
1.

A body supply pipe 103 is connected to the horizontal supply path 100 from a parts feeder 102 installed on the upper part of the support frame 2.
The element body 110 is supplied through.

Thus, the element body 110 is, for example, a drum core made of ferrite or the like, and as shown in FIG. 16, the diameter of both ends is slightly larger and the element body 110 has recesses 111 on both end faces.

The element body 110 of the horizontal supply path 100 is connected to the element body feeder 11.
By moving in the direction of arrow E of 2, each piece is sent to the vertical supply path 101, and descends therein to the pallet 20 as shown in Fig. 1T.
It falls onto the element body receiving groove 23.

The adhesive supply unit 7 is composed of a pair of adhesive storage containers 120A and 120B as shown in FIG. 110 Adhesive 122 on both end faces
is supplied.

The lead wire bonding mechanism 8 is shown in FIGS. 19 and 20.

In these figures, the element holding plate spring 130 is supported at one end by a plate spring mounting plate 131, the other end is attached to a support pin 132, and the adjustment screw 133 in the center adjusts the degree of holding of the element 110 on the pallet 20. can be adjusted.

On the other hand, the lead wire pushing plate springs 134A and 134B are attached to the guide rail 30 of the first intermittent transfer mechanism 3 with mounting brackets 135 so as to face each other.

These lead wire pushing leaf springs 134A, 134B are arranged by adjusting the adjusting screw 1 so that the opposing distance is small in the center.
36A and 136B are pressed inward through springs 137, respectively.

Therefore, the element 110 on the element receiving groove 23 of the pallet 20
is pressed by the element holding plate spring 130, and as the pallet 20 advances in the direction of arrow A, it rotates in the direction of arrow F, and at the same time, the lead wires 61 on the lead wire receiving grooves 24A to 24C of the pallet 20 are Line pressing plate 134A, 134
At B, it is pressed inward as shown by arrow G.

As a result, as the pallet 20 advances, the crushing 60 of the lead wire 61 comes into contact with both end surfaces of the element body 110, and the adhesive 1
22 is stirred, and the element body 110, the lead wire 61, and the adhesive 122 are brought into a state where they are well blended.

The second intermittent transfer mechanism 9 is shown in FIGS. 2, 3, and 21.
As shown in the figure, there is a floor plate 140 supported on the base 1 so as to match the pallet transfer surface of the first intermittent transfer mechanism 3, and an air cylinder 14 disposed below the floor plate 140.
1, a pallet transporter 142 connected to the air cylinder 141, guide members 143, 144 attached to the side edges of the floor plate 140, and a limit switch 145 for pallet detection.

The limit switch 145 is provided at a corner of the floor plate 140, and the pallet 2
When it is detected that the pallet has been fed, the air cylinder 141 is activated, and the pallet 20 is sent to the third intermittent transfer mechanism 10 by moving the pallet transfer bar 142 in the direction of arrow H.

The third intermittent transfer mechanism 10 is the second intermittent transfer mechanism 9
A floorboard 150 of the same height as the floorboard 140 of
an air cylinder 151 disposed below the air cylinder 151, a pallet transfer bar 152 connected to the air cylinder 151, and a guide member 153 disposed on the side edge of the floor plate 150.
, 154 and a limit switch 155 for pallet detection.
It consists of

The limit switch 155 is connected to the guide member 154.
The air cylinder 151 is operated when it detects that three pallets 20 have been sent from the second intermittent transfer mechanism 9.

Therefore, the pallet transfer bar 152 moves in the direction of the arrow {circle around (2)} and transfers three rows of pallets 20 into the drying oven 12.

The drying oven 12 has multiple rows of infrared heaters 160, as shown in FIG.
The adhesive 122 for bonding the wire 0 and the lead wire 61 is dried.

As shown in FIGS. 2 and 3, the fourth intermittent transfer mechanism 11 includes a belt conveyor 170, a limit switch 171 disposed at its starting end, and an air cylinder 172 disposed at its terminal end. There is a lot of shite.

The limit switch 171 detects that three pallets 20 are fed into the third intermittent transfer mechanism 9 and operates the belt conveyor 170.

As a result, the pallet 20 is transferred as shown by the arrow J, and is sequentially pushed out in the direction of the arrow K by the air cylinder 172 at the end of the belt conveyor 170.
sent to.

As shown in FIGS. 22 to 24, the component extraction mechanism 4 includes a cam box 180 fixed to the support frame 2K, a vertical lever 181 whose tip moves up and down relative to the cam K in the cam box 180, and a cam. The support arm 182 extends from the front surface of the box 180 to a position above the first intermittent transfer mechanism 3.

A rotary sleeve 183 is rotatably provided on the support arm 182, and the center of the rotary sleeve 183 is centered on the vertical axis 1.
84 is passing through.

This vertical shaft 184 is slidable in the vertical direction,
It rotates together with the rotating sleeve 183.

The tip of the vertical lever 181 is branched into two parts, and a roller 185 is pivotally attached to each part.

These rollers 185 are engaged with a disk 186 fixed to the upper end of the vertical shaft 184, so that the vertical shaft 184 moves up and down in conjunction with the vertical lever 181K.

Further, a slider 187 is slidably provided on the support arm 182, and a rack 188 is fixed to the slider 187.

This rack 188 meshes with a pinion 189 formed on the rotary sleeve 183.

Therefore, when the slider 187 is driven by the cam in the direction of arrow L, the vertical shaft 184 rotates in the direction of arrow M.

A rotating arm 190 is fixed to the lower end of the vertical shaft 184, and the tip K support block 19 of this rotating arm 190 is fixed to the lower end of the vertical shaft 184.
1 is fixed.

At the lower end of this support block 191 is a component ejecting fitting 192.
is fixed.

As shown in FIGS. 25 and 26, this component extraction fitting 192 has lead wire pressing springs 193 at both lower ends.

Further, a slide par 194 is provided on the support block 191 so as to be slidable in the vertical direction.
A roller 195 is pivotally attached to the upper end of the roller.

The roller 195 is urged by an extension spring 196 provided between the slide par 194 and the support block 191 so as to come into contact with a slide bar driving arm 197 fixed to the support arm 182 side.

The lower end K of the slide par 194 is a component drop pin 198.
is fixed.

In the component extraction mechanism 4, the component 2 on the pallet 20 is
00 is taken out by rotating the vertical shaft 184 by 90 degrees in the direction of arrow M by moving the slider 187 in the direction of arrow L.
This is done by lowering the vertical shaft 184 in the direction of arrow N with the component ejecting fitting 192 positioned at K above the pallet 20 as shown in FIG.

The lowered component ejecting metal fitting 192 clamps the lead wire 61 of the component 200 with the lead wire pressing spring 193 as shown in FIGS. 25 and 26B.

Then, the vertical shaft 184 rises and then rotates 90 degrees in the opposite direction of arrow M.

At this time, the slide bar 194 is pushed down by the slide bar driving force 197, and the component drop pin 198 pushes down the lead wire 61, as shown in FIG.

As a result, the component 200 falls onto the receiving tray 201 in front of the first intermittent transfer mechanism 3.

Next, the overall operation of the above embodiment will be explained.

The pallet 20 on the first intermittent transfer mechanism 3 is connected to the air cylinder 3
7, the feed claws 32 move forward in the direction of arrow A, and the lead wires are sequentially and intermittently transferred.
A lead wire 61 having a twist 60 is supplied as shown in FIG. 14.

The lead wires 61 are sequentially supplied to all the lead wire receiving grooves 24A to 24C of the pallet 20 as the pallet 20 moves forward.

The pallet 20 is then transferred below the vertical supply path 101 of the element supply section 6, where it receives the element bodies 110.

As a result, the element bodies 110 are arranged on all the element receiving grooves 23 of the pallet 20 as shown in FIG.

Next, the pallet 20 is sent below the adhesive supply section 1, and the small diameter pipes 121A and 121B of the adhesive supply section 7 are sent to the lower part of the adhesive supply section 1.
As shown in FIG.
is supplied.

Further, when the pallet 20 passes through the lead wire bonding mechanism 8, the element body 110 is pressed by the element body pressing plate spring 130 of the lead wire bonding mechanism 8 and rotates as the pallet 20 moves forward, and the lead wire 61 is rotated as the pallet 20 moves forward. Lead wire push plate spring 134A,
134B applies a force such that the crushers 60 come into contact with both end faces of the element body 110, respectively, and thereby the lead wire 61 is attached to the element body 110 with the adhesive 122.

The pallet 20 that has passed through the lead wire bonding mechanism 8 is attached to the second
It is fed onto the floor plate 140 of the intermittent transfer mechanism 9.

This means that the limit switch 145 for pallet detection
is detected and the air cylinder 141 is activated.

Therefore, the pallet transfer bar 142 moves in the direction of arrow H,
The pallets 20 are sequentially delivered to the three intermittent transfer mechanisms 10.

When the pallet 20 is sent into the third intermittent transfer mechanism 10, it is detected by the pallet detection limit switch 155, and the air cylinder 151 is activated.

Therefore, the pallet transfer bar 152 moves in the direction of the arrow ■,
Three rows of pallets 20 are sequentially sent to the drying oven 12.

The pallet 2 is heated by the infrared heater 160 of this drying oven 12.
The adhesive 122 for joining the element body 110 and the lead wire 61 on the part 200 dries, and the two are completely adhered to each other.
is completed.

The pallet 20 that has left the drying oven 12 is transferred to the fourth intermittent transfer mechanism 11
is transferred onto a belt conveyor 170.

This is detected by the limit switch 171, the belt conveyor 170 is activated, and three pallets 20 are transferred to the end of the belt conveyor 170 as indicated by arrow J.

Then, they are sequentially pushed out in the direction of arrow K by the air cylinder 172 and delivered to the first intermittent transfer mechanism 3.

Then, the pallet 2 is transferred to the lower part of the parts removal mechanism 4.
0, the component 200 is removed from the component extraction fitting 1 of the component extraction mechanism 4.
92 as shown in FIG. 25 and taken out.

The pallet 20 from which the parts 200 have been taken out is again transferred below the sorting supply section 70 of the lead wire supply mechanism 5, and the above-described operation is repeated.

According to the above embodiment, it is possible to fully automatically attach the lead wire 61 to the element body 110 such as the core, and furthermore, the lead wire 61 can be attached to the element body 110 such as the core.
Since a crush 60 is formed on the adhesive side end of the lead wire 61
The adhesive strength can be increased.

Furthermore, the presence of the crushing 60 ensures that the lead wire can be twisted when winding a coil on the element body 110.

Further, by pressing the lead wires 61 against both end surfaces of the element body 110 while rotating the element body 110 using the lead wire bonding mechanism 8, the adhesive 122, the element body 110, and the lead wire 61 are pressed against both end surfaces of the element body 110.
can improve adhesion strength, increase adhesion strength,
Yield can be improved.

Note that the second to fourth intermittent transfer mechanisms 9 to 11 are as follows:
A chain conveyor, belt conveyor, etc. can be used.

Further, the drying oven 12 may be disposed on an extension of the first intermittent transfer mechanism 3 to linearly transfer the pallet 20.

As described above, according to the present invention, there is provided an electronic component lead wire attachment device that can fully automatically attach a lead wire to an electronic component element body.

[Brief explanation of drawings]

FIG. 1 is a front view showing an embodiment of the electronic component lead wire attachment device according to the present invention, FIG. 2 is a plan view, FIG. 3 is a plan view showing pallet arrangement, and FIG. 4 is a plan view of the pallet. Figure 5 is a front sectional view of the pallet, Figure 6 is a side sectional view of the pallet,
FIG. 7 is a front view showing the first intermittent transfer mechanism, FIG. 8 is a front view of the crushing forming section of the lead wire supply mechanism, FIG. 9 is a plan view of the crushing forming section, and FIG. 10 is a main part of the crushing forming section. FIG. 11 is a front view showing the lead wire with crushing formed therein, FIG. 12 is a plan sectional view showing the distribution supply section of the lead wire supply mechanism, and FIG. 13 is a side view of the distribution supply section. 1
Figure 4 is a side sectional view showing the arrangement of lead wires on the pallet, Figure 15 is a front sectional view showing the element supply section, Figure 16 is a front view of the element body, and Figure 17 is the lead wires on the pallet. FIG. 18 is a side view showing the main parts of the adhesive supply section, FIG. 19 is a front view showing the lead wire bonding mechanism, and FIG. 20 is a plan view of the lead wire bonding mechanism. 21 is a side view showing the second and third intermittent transfer mechanisms and the drying oven, and FIG.
23 and 23 are side views showing the parts ejecting mechanism, FIG. 24 is a front view showing the parts ejecting mechanism, and FIG. 25 is a side view showing the case where parts are taken out from the pallet using the parts ejecting fitting of the parts ejecting mechanism. , FIGS. 26A and 26B are enlarged views showing the operation of the parts ejector. 1...Base, 2...Support frame, 3...
. . . 1st intermittent transfer mechanism, 4 . . . Component removal mechanism, 5 . . . Lead wire supply mechanism, 6 .・Adhesive supply section, 8...
・Lead wire adhesion mechanism, 9...Second intermittent transfer mechanism, 10...Third intermittent transfer mechanism, 11...
・Fourth intermittent transfer mechanism, 12...Drying oven, 20・
... Pallet, 23 ... Element receiving groove, 2
4A, 24B, 24C...Lead wire receiving groove, 2
5... Serrated feed groove, 32... Feed claw, 37, 141, 151, 172... Air cylinder, 40... Crush forming part, 41・・・・・・
・Metal wire, 45...Fixed cutter, 46...
...Movable power vine, 52...Fixed mold, 54...
...Moving mold, 55...Crushing pin chuck, 56...Crushing bottle, 60...Crushing, 61...Lead wire, 62. ...Chute, 70...Distribution supply section, 71...
... Support plate, 72 ... Branch block, 74.
... Sorting member, 86A, 86B...
Lead wire supply arm, 87... Lead wire receiving member, 94A, 94B... Partition plate, 100...
... Horizontal supply path, 101 ... Vertical supply path, 1
02...Parts feeder, 103...
Element supply pipe, 110...Element body, 120A,
120B...Adhesive storage container, 121A, 12
1B...Small diameter pipe, 122...Adhesive, 140,150...Floor plate, 142,152
...Pallet transfer bar, 145, 155, 17
1...Limit switch, 160...
Infrared heater, 170... Belt conveyor, 1
81... Vertical lever, 182... Support arm, 183... Rotating sleeve, 184...
...Vertical axis, 188...Rack, 189...
... Binion, 190 ... Rotating arm, 19
1...Support block, 192...Parts removal bracket, 193...Lead wire presser, 20
0... Parts.

Claims (1)

[Claims] 1. A pallet 2 having an element receiving groove 23 for receiving an element 110 such as a core and a lead wire receiving groove for receiving a lead wire 61.
0, a lead wire supply mechanism 5 that supplies the lead wire 61 onto the lead wire receiving groove of the pallet 20, and an element that supplies the element 110 onto the element receiving groove 23 of the pallet 20. an adhesive supply section 7 that supplies adhesive to the element body 110; and a lead wire bonding mechanism 8 having a spring member that presses the lead wire 61 to a portion of the element body 110 where the adhesive is provided. and lead wire 61
After placing the element body 110 in the lead wire receiving groove and the element body receiving groove 23 of the pallet 20, adhesive is applied to the element body 110, and the lead wire 61 is placed on the adhesive-applied portion of the element body 110. A lead wire attachment device for an electronic component, characterized in that an electronic component is constructed by bonding one end of the lead wire. 2. The electronic component lead wire attaching device according to claim 1, wherein the transfer mechanism includes first to fourth intermittent transfer mechanisms so as to move the pallet 20 around once. 3. The lead wire attachment device for an electronic component according to claim 1, wherein the lead wire supply mechanism 5 has a crush forming portion that forms a crush 60 at the end of the lead wire.