JP2016016948A - Guide device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a guide device that even when conveying a wide sheet-like rubber material, can prevent the sheet-like rubber material from falling into a gap between bottom plates of guides and prevent appropriately meandering of the sheet-like rubber material being conveyed from occurring.SOLUTION: The guide device, in which a pair of guides with L-shaped cross sections having guide plates erected from bottom plates are arranged opposing to each other, guides conveyance of a sheet-like rubber material by opening and closing the pair of guides according to a width of the sheet-like rubber material being conveyed and bringing the guide plates into contact with an edge part of the sheet-like rubber material. On the respective bottom plates of the pair of guides are formed a plurality of recessed parts and protruding parts, and the protruding parts on the bottom plate of one guide is fitted to the recessed parts on the bottom plate of the other opposing guide.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a guide device for guiding a sheet-like rubber material conveyed on a belt conveyor.

  When manufacturing pneumatic tires, various sheet-shaped rubber materials with thin gauges are transported, but if a roller conveyor is used for this transport, the sheet-shaped rubber material may fall between the roller conveyors and wrinkles may occur. Generally, a belt conveyor is used. At this time, the sheet-like rubber material being conveyed may meander, and various guide devices are used to prevent the meandering (for example, Patent Documents 1 and 2).

  4A and 4B are diagrams schematically showing an example of a conventional guide device, where FIG. 4A is a front view and FIG. 4B is a plan view. FIG. 4C is a perspective view showing a state in which the sheet-like rubber material is conveyed on the guide of the guide device.

  As shown in FIG. 4, in this guide device, a pair of guides 1a and 1b having an L-shaped cross section in which guide plates 17a and 17b are erected from the bottom plates 15a and 15b are arranged to face each other. The sheet-like rubber material 6 conveyed by the conveyor 20 is physically positioned in a state where the edge portions 6a at both ends are in contact with the guide plates 17a and 17b of the opposing guides 1a and 1b, and the bottom plates 15a and 15b. Carried over.

  Further, this guide device has a width dimension of the sheet-like rubber material 6 to be conveyed in order to appropriately bring the edge portions 6a of the sheet-like rubber material 6 being conveyed into contact with the guide plates 17a, 17b of the guides 1a, 1b. Accordingly, the distance between the guide plates 17a and 17b can be adjusted as indicated by the arrows in FIG. 4C by opening and closing the pair of guides 1a and 1b.

JP-A-4-325228 JP 2003-159694 A

  However, in the case of the above guide device, when conveying a wide sheet-like rubber material, the bottom plates 15a and 15b of the opposed guides 1a and 1b are separated from each other, and a gap 16 is formed between the two bottom plates 15a and 15b. And when this clearance gap 16 becomes large, the sheet-like rubber material 6 in conveyance will fall into the clearance gap 16, and a clearance gap will arise between each edge part 6a and the guide plates 17a and 17b. As a result, it becomes difficult to prevent meandering of the sheet-like rubber material 6 being conveyed.

  Such a drop of the sheet-like rubber material 6 does not occur when the bottom plates 15a, 15b of the opposing guides 1a, 1b are in contact with each other, that is, when the sheet-like rubber material 6 has the minimum width, In this case, since the gap 16 is formed between the bottom plates 15a and 15b, the sheet-like rubber material 6 falls.

  Therefore, the present invention prevents the sheet-like rubber material from dropping into the gap between the bottom plates of the guide even when conveying a wide sheet-like rubber material, and appropriately prevents the meandering of the sheet-like rubber material during conveyance. It is an object of the present invention to provide a guide device that can be used.

  As a result of intensive studies to solve the above problems, the present inventor has found that the above problems can be solved by the invention described below, and has completed the present invention.

The invention of claim 1
A pair of L-shaped guides with a guide plate standing from the bottom plate are arranged to face each other, and the pair of guides are opened and closed according to the width of the sheet-like rubber material being conveyed, and the sheet-like rubber material A guide device for guiding the conveyance of the sheet-like rubber material by bringing the guide plate into contact with the edge portion of the sheet,
A plurality of concave portions and convex portions are formed on each bottom plate of the pair of guides,
The guide device is characterized in that the convex portion of the bottom plate of one of the guides is configured to be fitted into the concave portion of the bottom plate of the other guide.

The invention of claim 2
The guide device according to claim 1, wherein R processing is performed on an upper surface side edge portion of a bottom plate of the pair of guides.

  According to the present invention, even when a wide sheet-like rubber material is conveyed, the sheet-like rubber material is prevented from dropping into the gap between the bottom plates of the guides, and the occurrence of meandering of the sheet-like rubber material during conveyance is appropriately prevented. A guide device that can be provided can be provided.

It is a figure which shows typically the guide apparatus which concerns on one embodiment of this invention. It is a front view which shows typically the guide apparatus which concerns on one embodiment of this invention. It is a top view which shows typically the state which a pair of guide has not fitted. It is a figure which shows the conventional guide apparatus typically.

  Hereinafter, the present invention will be described based on embodiments with reference to the drawings.

  FIG. 1 is a diagram schematically illustrating a guide device according to the present embodiment, where (a) is a front view, (b) is a plan view, and (c) is a sheet-like rubber material conveyed on the guide of the guide device. It is a perspective view which shows the state currently carried out.

  As shown in FIG. 1, the guide device according to the present embodiment is a pair of guides 1a and 1b having an L-shaped cross section in which guide plates 7a and 7b are erected from the bottom plates 5a and 5b, similarly to the conventional guide device. Are arranged opposite to each other, and the pair of guides 1a and 1b are opened and closed according to the width of the sheet-like rubber material 6 being conveyed, and the guide plates 7a and 7b are respectively attached to the edge portions 6a of the sheet-like rubber material 6. By bringing them into contact, the conveyance of the sheet-like rubber material 6 is guided.

  However, as shown in FIG. 1B, the guide device according to the present embodiment includes a plurality of concave portions 4a, 4b and convex portions 3a, 3b on the bottom plates 5a, 5b of the pair of guides 1a, 1b. Even if the distance between the guides 1a and 1b is widened to the maximum, the protrusions 3a of the bottom plate 5a of one guide 1a and the recesses 4b of the bottom plate 5b of the other guide 1b are always fitted to each other. This is different from the conventional one in that it is configured.

  For example, in FIG. 1, three convex portions 3a and four concave portions 4a are formed on the bottom plate 5a of the right guide 1a, and four convex portions 3b and three concave portions 4b are formed on the bottom plate 5b of the left guide 1b. The guides 1a and 1b are formed in a comb shape as a whole. The pair of guides 1a and 1b can be opened and closed in a state where the concave and convex portions are fitted by an opening and closing mechanism (not shown) according to the width of the sheet-like rubber material 6.

  In this way, the bottom plates 5a and 5b of the opposed guides 1a and 1b are provided with comb-shaped concavo-convex shapes, and the concave portions and the convex portions are fitted so that the concave portions and the convex portions are fitted even when the maximum-width sheet-like rubber material 6 is conveyed. By appropriately setting the length of the convex portion, the bottom plates 5a and 5b can be connected to each other even when the distance between the guides 1a and 1b is widened.

  Thus, a large gap (see reference numeral 16 in FIG. 4) is not formed between the bottom plates of the guide as in the conventional guide device, and the sheet-like rubber material being transported is between the bottom plates of the two guides. It does not fall into the gap.

  As a result, the sheet-like rubber material 6 can be conveyed while being guided while the edge portion 6a of the sheet-like rubber material 6 and the guide plates 7a, 7b are appropriately in contact with each other. Can be prevented appropriately.

  In the case of the conventional guide device as shown in FIG. 4, when the sheet-like rubber material 6 is conveyed from the bottom plates 15a, 15b of the guides 1a, 1b to the conveyor 20, the upper edge portions 15c of the bottom plates 15a, 15b. The sheet-like rubber material 6 was caught on the surface, and there was a risk of meandering and wrinkling.

  For this reason, it is preferable that R process is given to the upper surface side edge part 5c of the baseplates 5a and 5b of the guides 1a and 1b in FIG. Thereby, it can prevent that the sheet-like rubber material 6 in conveyance is caught by the upper surface side edge part 5c of bottom board 5a, 5b, and can prevent meandering and wrinkle generation | occurrence | production appropriately.

  In addition, the guide device according to the present embodiment includes an opening / closing mechanism that adjusts the distance between the opposed guides 1a and 1b so that the guide plates 7a and 7b and the edge portion 6a of the sheet-like rubber material 6 are in proper contact. I have.

  As shown in FIG. 2, this opening / closing mechanism opens and closes the guides 1a and 1b according to the width of the sheet-like rubber material 6 being conveyed by rotating a ball screw 12 by a timing belt 11 attached to the electric motor 10. Can be made. In the figure, 13 is a coupling, and 14 is an LM guide. In addition, an air cylinder can be used for the drive mechanism of the opening / closing mechanism in place of the electric motor described above.

  Moreover, the code | symbol L1 in FIG. 1 and the code | symbol L2 in FIG. 3 are all the distance from the front-end | tip of the convex part 3a of the bottom plate 5a of one guide 1a to the front-end | tip of the convex part 3b of the bottom plate 5b of the other guide 1b. Show. That is, as shown in FIG. 1, when the guides 1a and 1b are fitted, the distance from the tip of the convex portion 3a to the tip of the convex portion 3b indicates the overlap amount L1 of the convex portions 3a and 3b. . Further, as shown in FIG. 3, when the guides 1a and 1b are separated from each other, the distance from the tip of the convex portion 3a to the tip of the convex portion 3b is the distance L2 of the gap 16 formed between the guides 1a and 1b. Indicates.

  As shown in FIG. 1, in order to always fit the bottom plates 5a and 5b of the guides 1a and 1b so as not to generate a gap, even when the distance between the guides 1a and 1b is increased to the maximum, It is necessary to set the lengths of the respective convex portions 3a and 3b so that the guides 1a and 1b are fitted and the overlap amount L1 becomes 0 mm or more.

  On the other hand, as shown in FIG. 3, when the distance between the guides 1a and 1b is increased to the maximum and the guides 1a and 1b are not fitted and the distance L2 of the gap 16 is greater than 0 mm, Since the sheet-like rubber material inside may fall into the gap 16, there is a risk of meandering.

  While the present invention has been described based on the embodiments, the present invention is not limited to the above-described embodiments. Various modifications can be made to the above-described embodiment within the same and equivalent scope as the present invention.

1a, 1b Guide 3a, 3b Convex part 4a, 4b Concave part 5a, 5b, 15a, 15b Bottom plate 5c, 15c Top face side edge part 6 of bottom plate Sheet-like rubber material 6a Edge part 7a, 7b, 17a, 17b of sheet-like rubber material Guide plate 10 Electric motor 11 Timing belt 12 Ball screw 13 Coupling 14 LM guide 16 Gap 20 Conveyor L1 Overlap amount L2 Gap distance

Claims (2)

A pair of L-shaped guides with a guide plate standing from the bottom plate are arranged to face each other, and the pair of guides are opened and closed according to the width of the sheet-like rubber material being conveyed, and the sheet-like rubber material A guide device for guiding the conveyance of the sheet-like rubber material by bringing the guide plate into contact with the edge portion of the sheet,
A plurality of concave portions and convex portions are formed on each bottom plate of the pair of guides,
A guide device, wherein a convex portion of a bottom plate of one of the guides is configured to be fitted into a concave portion of a bottom plate of the other guide which is opposed to the guide device.   The guide device according to claim 1, wherein R processing is performed on an upper surface side edge portion of a bottom plate of the pair of guides.

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