JPH0487920A - Sheet guide device - Google Patents

Abstract

PURPOSE:To prevent a sheet plate from slacking and shrinking during transfer by a method wherein when the sheet plate is transferred within a manufacturing machine of a bottom plate of an electronic part carriage body, the side edges of the plate sheet are slidably held by upper and lower clamps which elastically push the side edges, and grooves which are outwardly diagonal to the moving direction of the sheet plate, are provided on one of sliding surfaces. CONSTITUTION:A sheet heater of a bottom plate manufacturing machine consists of a lower mold 28 and an upper mold 29 on which heating elements 28a and 29a are respectively provided. A liftable upper clamp 52 is hung on an upper holder 60 of the upper mold 29 by bolts 53, and springs 54 are mounted on the bolts 53 so that the upper clamp 52 is pushed downward. A lower clamp 55 is fixed, and two or more grooves 65, which are outwardly diagonal to the moving direction of a sheet plate, are formed on sliding faces 55a on which the sheet plate slides. Cooling pipes are arranged inside both clamps 52 and 55. The upper and lower holders 60 and 61 are apart from each outer, and when the sheet plate is lightly held by the upper and lower clamps 52 and 55, it is transferred. At this time, both side edges of the sheet plate are pulled toward the sides along the grooves 65, so that the sheet plate is prevented from slacking and shrinking in the lateral direction even when the sheet plate is heated and becomes soft.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a sheet guide device used in a bottom material manufacturing apparatus for manufacturing a bottom material for an electronic component carrier.

(Prior Art) Conventionally, electronic component carriers made of synthetic resin for packaging and transporting a large number of electronic components such as ICs have been known.

This electronic component carrier includes a bottom material that accommodates electronic components such as ICs, and a flat lid material that covers the bottom material. Among these, the bottom material consists of an embossed part for storing electronic components and a flange part opening at the upper end of the embossed part, and the lid material is heat-sealed to this flange part. Further, a large number of embossed portions are provided in succession, and each embossed portion is connected by a flange portion at an opening at the upper end of the embossed portion.

In the electronic component carrier having such a configuration, the I
Electronic components such as C are housed in each embossed portion of the bottom material, and then a flat lid material is heat-sealed to the flange portion of the bottom material to package the electronic components.

(Problems to be Solved by the Invention) As described above, the bottom material that houses electronic components such as ICs is composed of continuously provided embossed portions and a flange portion that connects each embossed portion.

Moreover, this bottom material is formed by heating a synthetic resin sheet plate in advance and then vacuum or pressure forming it.

Incidentally, the bottom material of an electronic component carrier is generally provided with a large number of embossed portions in a single row. In this case, when manufacturing the bottom material, a synthetic resin sheet plate having a width wider than the width of the embossed portion is used as a raw material, and a single row of embossed portions is formed on this sheet plate by vacuum or pressure forming.

On the other hand, the present applicant has developed a bottom material manufacturing device that first forms a large number of embossed portions in multiple rows on a sheet plate, and then divides the sheet plate into single rows of embossed portions.

This bottom material manufacturing equipment includes a heating device that heats a synthetic resin sheet plate, a forming device that forms an embossed part on the heated sheet plate, and a punch that forms multiple punch holes in a flange part adjacent to the embossed part. It is constructed by sequentially arranging devices and the like in the horizontal direction. In this bottom material manufacturing apparatus, the sheet plate is sequentially transferred to a heating device, a forming device, a punching device, etc., and processed.

However, in such bottom material manufacturing equipment, the sheet plates are subjected to heating effects, so they may expand, contract, or loosen during transportation.In this case, the sheet plates must be placed at specified positions in each device. Therefore, it is not possible to manufacture the bottom material with high precision.

The present invention has been made in consideration of these points,
It is an object of the present invention to provide a sheet guide device that stably holds and guides a sheet plate transferred within a bottom material manufacturing device.

[Structure of the invention]

(Means for Solving the Problems) The present invention comprises an upper clamp and a lower clamp that slidably clamp a sheet plate from above and below, and the sheet plate is transported in a bottom material manufacturing apparatus for an electronic component transporter. - A sheet guide device arranged on both sides of the plate, wherein the upper clamp and the lower clamp elastically press each other, and the sliding surface of either the upper clamp or the lower clamp The sheet guide device is characterized in that a groove portion is formed that slopes outward in the traveling direction of the sheet plate.

(Function) According to the present invention, when transporting a sheet board, both sides of the sheet board are slidably clamped between the upper clamp and the lower clamp, and one of the upper clamp or the lower clamp is slidably clamped. The seat plate can be pulled laterally by the groove formed in the moving surface.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

1 to 5 are diagrams showing an embodiment of a sheet guide device according to the present invention.

First, the electronic component carrier will be explained. In FIGS. 4 and 5, the electronic component carrier 70 includes a bottom 71 for storing electronic components 77 such as ICs, and a lid 75 that covers the bottom 71.
It is equipped with The bottom material 71 also has an embossed part 72 for storing electronic components, and a flange part 7 at the top opening of the embossed part 72.
3, and the lid member 75 is heat-sealed to this flange portion 73. The embossed portions 72 are continuously provided in a single row, and each embossed portion 72 is connected to each other by a flange portion 73 having an opening at the upper end. Among these, the bottom material 71 is formed by vacuum or pressure forming a sheet plate made of vinyl chloride or polystyrene, while the lid material is made of a laminated sheet made of synthetic resin. Further, a plurality of punch holes 74 are continuously provided in the flange portion 73 adjacent to the embossed portion 72 . This punch hole 74 is for transferring the bottom material 71.

Next, a sheet guide device according to the present invention will be explained with reference to FIGS. 1 to 3. First, the entire bottom material manufacturing apparatus will be explained with reference to FIG.

In FIG. 3, the bottom material manufacturing apparatus 10 includes a roll 11, a dancer roll 12, a preheating roll 3, a heating device 14, a forming device 15, a cooling device 6, a punch device 17, a feeding section 18,
dancer roll 19, inspection device 20, slit device 21,
Marking device 22, tension roll 24, and roll 2
3 are arranged in sequence.

Among these, the heating device 14 is a one-stage heating device 14a.

It consists of a two-stage heating device 14b1 and a three-stage heating device 14c, and is configured to heat the sheet plate 51 in three stages. Furthermore, the heating temperature can be individually set.

1st stage heating device, 2nd stage heating device, 3rd stage heating device 14a, 1
4b, ], and 4c have a similar structure, each consisting of a lower mold 28 and two upper molds. These lower mold 28, two upper molds, and sheet guide device are
This will be explained using figures.

As shown in FIG. 1, on the upper surface of the lower mold 28 held by the lower holder 61, a plurality of heating bodies 28a extending in a band shape and projecting upward are provided at predetermined intervals. Further, on the lower surface of the upper mold 29 held by the upper holder 60, a heating element 29a extending in a band shape and projecting downward is provided corresponding to the heating element 28a. These heating bodies 28a
, 29a form a heating section extending in a strip shape on the sheet plate 5].

Further, as shown in FIG. 1, upper clamps 52 and lower clamps 55 are disposed on the sides of the two upper molds and the lower mold 28 for clamping both sides of the sheet plate 5 from above and below. The upper clamp 52 and the lower clamp 55 constitute the sheet guide device of the present invention.

Among these, the upper clamp 52 is attached to the upper holder 6 of the upper mold 29.
0 via a bolt 53 so as to be movable in the vertical direction, and the -5 lower clamp 55 is fixed. Further, a spring 54 is interposed on the outer periphery of the bolt 53 between the upper holder 60 and the stepped portion 58 of the upper clamp 52 to bias the upper clamp 52 downward.

Normally, the force of the spring 54 is weak, and the upper clamp 52 and lower clamp 55 loosely clamp the seat plate 51 to the extent that the seat plate 51 can slide (see the right side of FIG. 1). When the upper mold 29 and the lower mold 28 approach each other (left side in FIG. 1), the upper clamp 52 strongly presses the lower clamp 55 elastically by the force of the spring 54.

Further, a cooling pipe 62 and a cooling pipe 63 are arranged in the upper clamp 52 and the lower clamp 55, respectively. Cooling water also flows in from the cooling connection port 64.

Next, the sliding surface of the lower clamp 55 will be explained with reference to FIG.

The pair of lower clamps 55 have sliding surfaces 55a that slidably clamp both sides of the sheet plate 5 and are inclined outward in the direction of movement of the sheet plate 51 (in the direction of the arrow in FIG. 2). A plurality of groove portions 65 are provided. This groove 65
When the sheet board 51 is transferred in the direction indicated by the arrow, both sides of the sheet board 51 are pulled laterally (in a direction perpendicular to the direction indicated by the arrow) along the grooves 6, thereby applying lateral tension to the sheet board 51. It is something to give.

Next, other parts of the bottom material manufacturing apparatus (a) will be explained with reference to FIG.

As shown in FIG. 3, the molding device 15 consists of a lower molding mold 32 and an upper molding mold 34. Furthermore, punch device 1
7 consists of a punch lower mold 41 and a punch upper mold 45. Further, the feeding section 18 includes a gripping section that grips the sheet plate and a driving section that reciprocates the gripping section by a predetermined amount. A servo motor is used for the drive unit, and any amount of movement can be set.

Next, the operation of this embodiment having such a configuration will be explained.

First, a sheet plate 51 made of vinyl chloride or polystyrene
is continuously supplied from the roll 11 and transferred to the heating device 14 through the dancer roll 12 and the preheating roll 13. The sheet plate 51 is the first stage heating device 14a of the heating device 14,
Two-stage heating device] 4b1 and three-stage heating device 14c sequentially heat the heating device.

The sheet plate 51 that is continuously transferred from the roll 11 is intermittently transferred from the preheating roll 13 to the feeding section 8, where it is subjected to various treatments, and then continuously transferred to the roll 23 again. However, these transport adjustments are performed by one of the two dancer rolls 12°.

In the heating device 14, the sheet plate 51 is connected to each stage of the heating device 1.
It is heated by the lower mold 28 and the lower mold 29 of 4a, 14b, and 14c.

That is, first, as shown on the right side of FIG.
is loosely clamped between the upper clamp 52 and the lower clamp 55. In this case, the pressing force exerted by the spring 54 is weak. In this state, the sheet plate 51 is transferred in a direction perpendicular to the paper plane of FIG.

Next, as shown on the left side of FIG. 1, the upper holder 60 is moved downward and the lower holder 61 is moved upward, and the lower mold 2
A belt-shaped (band-shaped extending in a direction perpendicular to the paper surface of FIG. 1) heating portion (not shown) is formed on the sheet plate 51 by the heating element 28a of No. 8 and the heating element 29a of the two upper molds.

In this case, the upper clamp 52 elastically presses the lower clamp 55 by the force of the spring 54, so that the sheet plate 51 can be reliably clamped.

Next, the upper holder 60 and the lower holder 61 are separated from each other, and the sheet plate 51 is again moved between the upper clamp 52 and the lower clamp 55.
Clamp loosely. In this state, the sheet plate 51 is
The object is transported in a direction perpendicular to the plane of the drawing. In this case, as described above, since the sliding surface 55a of the lower clamp 55 is provided with the groove 65 that slopes outward, both sides of the sheet plate 51 are pulled laterally along the groove 65. Therefore, even if the sheet plate 51 is softened by heating, it is possible to reliably prevent the sheet plate 51 from loosening or shrinking in the lateral direction. Therefore, the belt-shaped heating portion can be formed on the sheet plate 51 with high precision. Further, the upper clamp 52 and the lower clamp 55 are connected to the cooling pipe 62.
63, it is possible to simultaneously prevent softening of both sides of the sheet □ plate 51.

The band-shaped heating section is a section on which the embossed section 72 is then formed by the forming device 15. In addition, in order to make the width of the heating part of the sheet plate 51 larger than the width of the embossed part 72,
The width of the heating bodies 28a, 29a is larger than the width of the embossed portion 72.

Next, the sheet plate 51 is transferred to a forming device 15, and in this forming device 15, the embossed portion 72 of the bottom material 70 is formed on the sheet plate 51.

Next, the sheet plate 51 is transferred to the cooling device 16 and cooled, and then transferred to the punch device 17, and the punch upper mold 4
A punch hole 74 is formed between the punch hole 5 and the punch lower mold 41. In this case, since the sheet plate 51 contracts as a whole by cooling, the pitch between the embossed portions becomes slightly smaller than the pitch during molding. Therefore, it is necessary to design the punch device to take this shrinkage into consideration.

In this way, the bottom material 71 having multiple rows, for example, four rows of embossed portions 72 and corresponding punch holes 74 is formed. Subsequently, this multi-rowed bottom material 71 is transferred from the feeding section 18 to the inspection device 20 via the dancer roll 19.

Subsequently, the multi-row bottom material 71 is transferred to a slitting device 21, where the flange portion 73 is cut in the transfer direction and divided into each row, and unnecessary portions on both sides are removed.

Subsequently, the marking device 22 marks predetermined defective portions of the bottom material 71 divided into each row.

Next, four rows of bottom material 71 with defective parts marked like this
is then wound onto a roll 23. In this way, a continuous single row of embossed portions 72, a flange portion 73 that connects the embossed portions 72 to each other, and a single row of punched holes 74 provided in the flange portion 73 in correspondence with the embossed portions 72 are provided. A bottom material 71 is manufactured (FIG. 4).

In the above embodiment, an example is shown in which the heating device 14 is provided with a sheet guide device consisting of the upper clamp 52 and the lower clamp 55, but the sheet guide device is not limited to this, and may be provided in the forming device 15, the cooling device 16, and the punching device 17, for example. A sheet guide device may also be provided.

〔Effect of the invention〕

As explained above, according to the present invention, while the sheet plate is being transferred, both sides can be clamped in a pulsatile manner, and the sheet plate can be pulled laterally to reliably prevent loosening and contraction in the groove direction. . Therefore, the bottom material of the electronic component carrier can be manufactured with high precision by performing reliable processing on the sheet mill.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an example in which the sheet guide device according to the present invention is installed in a heating device of a bottom material manufacturing device, FIG. 2 is a plan view of the lower clamp, and FIG. 3 is a schematic diagram of the bottom material manufacturing device. Figure 4 is a partial perspective view of the electronic component carrier, and Figure 5 is a partial perspective view of the electronic component carrier.
-V line sectional view. ]0... Bottom material manufacturing device, 14. Heating device, 15...
Molding device, 17... punch device, 28... lower mold,
2... Upper mold, 51... Sheet material, 52... Upper clamp, 53... Bolt, 54... Spring,
55...Lower clamp, 62.63...Cooling pipe, 65
... Groove. Applicant's agent Yuzu Sato

Claims (2)

[Claims] 1. A sheet guide device comprising an upper clamp and a lower clamp that slidably clamp a sheet plate from above and below, and is disposed on both sides of a sheet plate being transferred in a bottom material manufacturing device of an electronic component carrier. , the upper clamp and the lower clamp elastically press each other, and a sliding surface of one of the upper clamp and the lower clamp,
A sheet guide device characterized in that a groove portion is formed that slopes outward in the traveling direction of a sheet plate. 2. 2. The sheet guide device according to claim 1, further comprising a cooling pipe provided on at least one side of the upper clamp and the lower clamp to cool the sheet plate.