JP5830686B2 - SMC sheet transport device - Google Patents

Description

  The present invention relates to an SMC sheet conveying apparatus.

  SMC (sheet molding compound) containing a resin composition containing an additive such as a resin and a filler, a curing agent, a thickener, and glass fiber, and the two upper and lower resin compositions and glass fibers constituting the SMC. It is sandwiched between release films, conveyed in a sheet form, and impregnated with an impregnation device to impregnate the resin composition into glass fibers to produce an SMC sheet.

  After exiting the impregnation apparatus, the SMC sheet is wound into a cylindrical shape on a winding shaft and stored in a storage container, or is stored in a storage container in a zigzag manner.

  The stored SMC sheet is conveyed to a cutting device by a conveying device, cut into a predetermined shape (charge pattern) for press molding, then set in a lower die, and pressed by an upper die and a lower die. SMC molded products are obtained.

  Among the manufacturing processes of the above SMC molded products, SMC that can improve the production efficiency of SMC molded products by efficiently transporting and cutting SMC sheets stored in storage containers to a cutting device so far A sheet conveying apparatus has been proposed (see, for example, Patent Document 1).

  As shown in FIG. 5, this transport device transports the SMC sheet 3 stored in the storage container 4 to the cutting device 5 while pressing it with the feed roll 1, and has a predetermined length in the direction perpendicular to the transport direction. It has the function to cut by.

  The SMC sheet 3 cut in this way is further cut by a worker using a cutting jig such as a cutter according to the shape (charge pattern) of the SMC molded product to be molded, and these are stacked and pressed with a mold. Thus, an SMC molded product is obtained.

JP 11-309471 A

  Here, in the manufacturing method of the SMC molded product using the above-described conventional conveying device, the SMC sheet 3 cut into a predetermined length by the cutting device 5 is cut into the shape (charge pattern) of the SMC molded product. For example, when an operator cuts, it is necessary to display a cutting position display line on the cutting table and align the SMC sheet 3 to the display position. It was.

  However, in such a method of cutting according to the cutting position display line on the cutting table, it is difficult to perform the cutting work, or whenever the shape of the SMC molded product to be molded is changed, Since the display position on the cutting table needs to be changed, there is a problem that the efficiency of the cutting work is poor.

  On the other hand, when cutting one SMC sheet in the longitudinal direction, the cut end portion of the ear portion located at both end edges may vary in the basis weight of the glass fiber compared to the cut portion in the central portion, and this When an SMC molded product is manufactured by stacking and pressing a plurality of such cut ends on one side, defects such as warpage may occur in the SMC molded product due to a difference in the distribution of glass fibers.

  The present invention has been made in view of the circumstances as described above, and provides an SMC sheet conveying apparatus that makes it easy and accurate to cut an SMC sheet and further enables discrimination of the cut end portion of the SMC sheet. Is an issue.

  The present invention is characterized by the following in order to solve the above problems.

That is, the transport device of SMC sheet of the invention is a conveying device SMC sheet forming the cutting position display lines on one surface while conveying the ready-made SMC sheet, a pushing roll having a pressing inclusive member, SMC sheet even without least it transported across consists only one pair feed rolls, the SMC sheet conveying across the feed roll, the pressing of the push member in addition sandwiched state between one of the feed rolls and the pushing roll The cutting position display line is formed on one side thereof.

In this SMC sheet conveying apparatus, among the plurality of pushing members for forming the cutting position display line on the SMC sheet, only one of the pushing members at both ends or the pushing members other than the pushing members at both ends is SMC. It is preferable to provide an end display forming member for forming a cut end display of the sheet.

  According to the SMC sheet conveying apparatus of the present invention, it is possible to easily and accurately cut the SMC sheet, and further to determine the cut end portion of the SMC sheet.

It is a schematic sectional drawing which shows the conveying apparatus of the SMC sheet | seat of this invention. It is a principal part expansion perspective view which shows the conveying apparatus of the SMC sheet of this invention. It is the schematic which shows a pushing roll. (A) is a schematic front view, (B) is a schematic side view. It is a schematic plan view which shows the SMC sheet in which the cutting position display line and the cutting | disconnection edge part display were formed. It is a schematic sectional drawing which shows the conventional SMC sheet conveying apparatus.

  Hereinafter, embodiments of an SMC sheet conveying apparatus of the present invention will be described in detail with reference to the drawings.

  As shown in FIG. 1, the SMC sheet conveying apparatus of the present invention includes at least an upper feed roll 1 a, a lower feed roll 1 b, and a push roll 2 constituting a feed roll.

  The upper feed roll 1a and the lower feed roll 1b are driven while sandwiching the SMC sheet 3 and conveyed to the cutting device 5. The interval between the upper feed roll 1a and the lower feed roll 1b can be adjusted according to the thickness and material of the SMC sheet.

  There is no restriction | limiting in particular in the material of the upper feed roll 1a and the lower feed roll 1b, For example, metal, rubber, and a resin thing are mentioned. In the case of a metal, the roll peripheral surface may be subjected to a satin treatment or a knurling treatment to increase the friction coefficient, or a rubber may be subjected to a lining process to apply a friction force.

  The drive mechanism of the upper feed roll 1a and the lower feed roll 1b for transporting the SMC sheet 3 is not particularly limited as long as it can transport the SMC sheet 3 in a stable state, and the upper feed roll 1a and the lower roll 1b. Both of them may be rotationally driven, or either the upper feed roll 1a or the lower roll 1b may be rotationally driven.

  The SMC sheet conveying device of the present invention is provided with a push roll 2 for forming a cutting position display line 31 on the SMC sheet 3 before conveying the SMC sheet 3 to the cutting device 5.

  As shown in FIG. 3, the push roll 2 includes a roll shaft 20 and push members 21a and 21b. The push roll 2 is conveyed with the SMC sheet 3 sandwiched between the push members 21a and 21b and the upper feed roll 1a. , 21 b is pressed to form a recess as the cutting position display line 31 on the surface of the SMC sheet 3.

  The distance between the push roll 2 and the upper feed roll 1a can be adjusted according to the thickness and material of the SMC sheet 3, and a narrower cutting position display line 31 can be formed by narrowing the distance. it can.

  The driving of the push roll 2 may be driven according to the rotation of the upper feed roll 1a, or may be rotated freely according to the conveyance of the SMC sheet 3.

  Further, in the SMC sheet conveying apparatus of the present invention, in order to form the cut end portion display 32 for displaying that the ends of the SMC sheet 3 are at the ear portions 33 side at the cutting position of the SMC sheet 3, End display forming members 22 can be provided on the pressing members 21 a at both ends of the roll 2.

  The end display forming member 22 is provided on the outer peripheral surface of the pressing member 21a that presses the SMC sheet 3, and when the pressing member 21a rotates and the end display forming member 22 presses the surface of the SMC sheet 3, cutting is performed. A recess which is the end display 32 can be formed.

  Since the end display forming member 22 is provided for the purpose of displaying the cut end, it is provided on the pushing member 21a at both ends and not provided on the pushing member 21b on the central side other than the pushing member 21a. You may make it not provide in the pushing member 21b of the center side other than the member 21a, and the pushing member 21a of both ends.

  That is, with respect to the formation of the cut end display 32 by pressing the end display forming member 22, it is set as appropriate whether the formed portion is the cut end portion or the non-formed portion is the cut end portion. be able to.

  Further, both the pushing member 21a and the pushing member 21b may be provided with end display forming members 22 having different shapes, and may be distinguished as cut ends depending on the shape.

  The number of end display forming members 22 provided on the pressing member 21a or the pressing member 21b is not particularly limited, and can be set as appropriate in consideration of the display interval of the cut end display 32 and the like.

  Next, the operation of the SMC sheet conveying apparatus of the present invention will be described in detail.

  First, as shown in FIG. 1, the SMC sheet 3 is pulled out from the storage container 4 in which the SMC sheet 3 is stored in a zigzag shape, and is passed between the upper feed roll 1 a and the push roll 2.

  By rotating the upper feed roll 1a and the pushing roll 2 in this state, a cutting position display line 31 is formed on one side of the SMC sheet 3 by pressing of the pushing members 21a and 21b provided on the pushing roll 2. The cut end display 32 is formed by pressing the end display forming member 22 provided on the pushing member 21a.

  Next, the SMC sheet 3 is conveyed to the cutting device 5 by being rotationally driven while being sandwiched between the upper feed roll 1a and the lower feed roll 1b. The SMC sheet 3 conveyed to the cutting device 5 operates according to a preset cutting length, and cuts the SMC sheet 3 perpendicular to the longitudinal direction.

  As shown in FIG. 4, the cut position display line 31 and the cut end display 32 are formed on the SMC sheet 3 cut in this way, and the operator matches the formed cut position display line 31. By cutting using a cutting jig such as a cutter, it can be easily and accurately cut into a predetermined shape (charge pattern) for obtaining an SMC molded product.

  Next, a plurality of SMC sheets 3 cut into a predetermined shape (charge pattern) are stacked and set in a mold. At this time, according to the cut end display 32 formed on the cut SMC sheet 3, the cut end portion By stacking and pressing in a balanced manner so that the display 32 is not biased to one side, an SMC molded product with less warpage can be obtained.

  While the present invention has been described based on the embodiments, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention.

  For example, in the SMC conveying apparatus shown in FIG. 2, two pressing members 21b are provided and three cutting position display lines 31 are formed in the longitudinal direction of the SMC sheet 3, but the pressing member 21b. By providing one or three or more, it is possible to form the cutting position display lines 31 having various widths.

DESCRIPTION OF SYMBOLS 1a Top feed roll 1b Bottom feed roll 2 Push roll 21a Push member 21b Push member 3 SMC sheet 31 Cutting position display line

Claims (2)

A conveying apparatus of SMC sheet forming the one surface to the cutting position display line while conveying the ready-made SMC sheet, a pushing roll having a pressing inclusive member, a pair of even without least you transported across the SMC sheet It comprises only feed roll, the SMC sheet conveying across the feed roll, the pressing of the push member in addition sandwiched state between one and pushing roll feed rolls, to form a cutting position indicator line on one side An SMC sheet conveying apparatus characterized by the above. Of the plurality of pushing members for forming the cutting position display line on the SMC sheet, the cut end indication of the SMC sheet is formed only on either the pushing member at both ends or the pushing member other than the pushing member at both ends. The SMC sheet conveying apparatus according to claim 1, wherein an end display forming member is provided.

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