JPS6344541B2 - - Google Patents

Description

Detailed Description of the Invention [Technical Field of the Invention] The present invention relates to a tire rotating device, and more specifically, it is used to inspect tires, sort sizes, and paint tires during the process of transporting tires from a tire vulcanizer to a warehouse. This relates to a tire rotation device implemented in, etc.

[Prior art]

Traditionally, tire rotation devices used in the process of transporting tires from a tire vulcanizer to a warehouse are used to (1) place the tire horizontally on a rotating plate or rim in order to rotate the tire in a stable condition; (2) A method in which the tire is rotated while standing on its own using two rotating rollers at high speed, or a method in which the tire is rotated while being supported by rollers, etc. from the left and right sides when rotating at a low speed. A method is known in which the inner side (bead portion) of the roller is rotated while being supported by three to four rotating rollers.

However, in the case of the conventional tire rotating device as described above, a mechanism for loading and unloading the tire, centering of the tire, and a mechanism for standing up the tire that has been transported sideways, etc. are required, and the device becomes complicated. There was a problem that the entire device became larger and the cost increased further.

[Purpose of the invention]

This invention was devised by paying attention to the conventional problems, and its purpose is to have a simple structure, to be able to stably rotate the tire in a positioned state, and furthermore, the device itself is To provide a tire rotating device that can be manufactured at low cost without increasing its size.

[Structure of the invention]

In order to achieve the above object, the tire rotation device according to the present invention includes a carry-in/take-out conveyor having a transfer surface for conveying tires in a horizontal state, and a plurality of rollers arranged in a plane. A rotatable support roller is installed in the transfer plane of the carry-in/out conveyor to move upward and downward to lift and support the bottom surface of the horizontal tire, and furthermore, a rotatable support roller is installed in the transfer plane of the carry-in/out conveyor to lift and support the bottom surface of the horizontal tire. A pair of left and right stoppers/driving rollers are installed on the end side of the transfer surface and engage with the side surfaces of the horizontal tires, and a pair of left and right stoppers/driving rollers are installed on the transfer surface closer to the carry-in side than the carry-out end. It is characterized by installing a copying roller that engages with the side surface of the horizontal tire and can reciprocate toward the discharge end.

[Embodiments of the invention]

Embodiments of the present invention will be described below based on the accompanying drawings.

1 to 3 show a side view, a front view, and a plan view of a tire rotating device embodying the present invention, and this tire rotating device is used for transporting tires from a tire vulcanizer (not shown) to a warehouse. installed in the process.

The tire rotation device has a tire W mounted on a support frame 2 mounted at a constant angle of inclination on a pillar 1.
A carry-in/take-out conveyor 3 is installed to transfer the goods horizontally.

At the unloading end of the loading/unloading conveyor 3, there are two stopper/driving rollers 4a that support the tips of the transferred tires W and are rotationally driven.
4b is provided. These stoppers/driving rollers 4a, 4b are located at the tip of the support frame 2.
It is attached to frames 5a and 5b that are rotatably attached in the width direction of the loading/unloading conveyor 3, and these frames 5a and 5b are connected to cylinders 6a and 6b (air cylinders) installed on the sides of the support column 1. is connected to.

Therefore, the stoppers and driving rollers 4a and 4b attached to the frames 5a and 5b are connected to the cylinder 6.
The loading/unloading conveyor 3 rotates horizontally with respect to the conveying surface of the tires W due to the expansion and contraction of the tires a and 6b.
It is configured to appear and appear from the transfer surface.

Further, the stopper/driving rollers 4a and 4b are rotatably driven by a rotary drive device (not shown).

Next, approximately at the center of the support frame 2, an elevating frame 8 is provided which can be raised and lowered in the vertical direction around a support shaft 7 installed between the support frames 2. This elevating frame 8 is connected to an elevating cylinder 9 attached to the lower side wall of the support column 1.

On the elevating frame 8, two support rollers 10 (free rollers) that support the bottom surface of the tire W,
While pressing the inner surface (bead part X) of the tire W,
and two proximate copying rollers 11a, 1 clamped by the stopper/driving rollers 4a, 4b.
1b, and a guide roller 12 (free roller) that rotates in a direction perpendicular to the direction in which the tires W are transported.

As shown in FIGS. 3 to 5, the copying rollers 11a and 11b are rotatably supported on a U-shaped frame 13 via support brackets 14a and 14b, and the frame 13 is , the stopper/driving roller 4 via the pressing cylinder 15
It is slidably mounted on the a and 4b sides.

Note that if the carry-in/take-out conveyor 3 is installed in a horizontal state, a rotation drive device is required.

Further, the number of support rollers 10 and guide rollers 12 is not limited.

Next, a tire sorting device 20 that reads a barcode K (discriminator) engraved near the bead portion X at the bottom of the tire W is installed on the lower surface of the frame 13 on which the copying rollers 11a and 11b are installed. .

As shown in FIG. 4 and FIG.
It is composed of a crimping means 21 that crimps and holds the tire W, and an optical (laser) sensor 22 that detects the barcode K (discrimination section) at a predetermined distance from the barcode K (discrimination section) of the tire W. ing.

The pressure bonding means 21 connects a linear bearing 2 to a guide rod 23 vertically installed on the lower surface of the frame 13.
4 is slidably attached, and a stopper roller 26 is rotatably attached to the side of this linear bearing 24 via a bracket 25. A pressing cylinder 28 is fixed to the frame 27 that supports the guide rod 23, and the tip of the piston rod 29 of the pressing cylinder 28 is connected to the linear bearing 24 via a shock absorbing device 30 such as a spring.

On the other hand, the sensor 22 is a light projector 22a.
and a light receiver 22b, and the linear bearing 2
It is integrally attached to the side wall of the bracket No. 4.
Therefore, the tire W by the stopper roller 26
The crimping position (near the bead part X) and the reading position by the sensor 22 on which the barcode K (discrimination part) is engraved are always constant.

In addition, in FIGS. 4 and 5, 31 is the sensor 2.
A tire inch determination sensor (reflective photoelectric switch, etc.) attached to the side of tire 2 measures the inner diameter of the bead X, and a paint device is installed above the tire W to paint on the white ribbon near the bead X. It is used for painting.

In addition, in the above embodiment, the loading/unloading conveyor 3
is fixed and the elevating frame 8 is raised, but the elevating frame 8 may be fixed and the loading/unloading conveyor 3 is raised.

Further, in the case of the above embodiment, a barcode K (discrimination part) is engraved on the lower surface side of the tire W, and in order to read this barcode K (discrimination part), the pressure bonding means 21 and the sensor 22 are placed on the lower surface side of the tire W. However, if a barcode K (discrimination part) is engraved on the surface side of the tire W,
The pressure bonding means 21 and the sensor 22 may be installed above the tire W and moved up and down.

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

First, the stopper/driving rollers 4a and 4b provided at the discharge end of the carry-in and carry-out conveyor 3 are operated perpendicularly to the conveying surface via cylinders 6a and 6b.

From this state, the tire W is transferred from the input side (right side in FIG. 1) of the loading/unloading conveyor 3 while sliding.

The transported tire W comes into contact with the two upright stopper/driving rollers 4a and 4b and is stopped.

Next, the lifting frame 8 is moved through the lifting cylinder 9.
When the wheels are raised, the tires W installed on the loading/unloading conveyor 3 are moved by the two support rollers 10.
and the guide rollers 12 for carrying in and
It is lifted onto the carry-out conveyor 3.

When the tire W is lifted by the support roller 10 and the guide roller 12, the copying rollers 11a and 11b located inside the tire W are moved via the pressure cylinder 15 to the stopper/driving roller 4a,
4b side, and parts of the outer circumferential surface and inner circumferential surface (bead portion X) of the tire W are clamped at approximately three points.

Next, when the stopper/driving rollers 4a, 4b are rotated by a rotary drive device (not shown), the tire W starts rotating, and the copying rollers 11a, 11b are close to the stopper/driving rollers 4a, 4b.
It rotates under a force close to a three-point load. Therefore, the center of the tire W is centered at the center of the carry-in/take-out conveyor 3 (the center of the stopper/driving rollers 4a, 4b and the copying rollers 11a, 11b).

In this manner, the tire W is centered and is rotating smoothly, and then the tire sorting device 20 starts sorting the tire W.

Tire W sorting work is done using barcode K (discrimination section)
The barcode K (discrimination part) is carried out while the tire W on which is engraved is being rotated at a constant speed by the above-mentioned rotating device.
The position of the sensor 22 and the reading section of the tire W is determined by the copying rollers 11a and 11b as described above.
The bead portion X is already positioned in a clamped state.

Furthermore, the bead portion X of the tire W serves as a stopper/driving roller 4a, 4b and copying rollers 11a, 11b.
After being clamped by the tire discriminator 20
The sensor 22 is pushed up by a pressure cylinder 28 and positioned via a stopper roller 26 at a pressure-bonding position of the tire W (near the position of the bead portion X).

That is, when the copying rollers 11a, 11b move toward the stopper/driving rollers 4a, 4b, the pressure bonding means 21 and sensor 22 attached to the frame 13 of the copying rollers 11a, 11b also move, and the copying rollers 11a, 11b move in the same manner. When the bead portion X of the tire W is clamped, the pressure position of the tire W by the stopper roller 26 and the barcode K
The reading position by the sensor 22 (discrimination part) engraved thereon is inevitably set.

And the barcode K of the rotating tire W
(discrimination unit), the light emitter 22 of the sensor 22
The tires W are sorted by the light receiver 22b and the light receiver 22b.

In addition, in FIG. 1, W1 indicates the size of another tire.

In addition, in this embodiment, the configuration and operation of the tire rotating device and the tire sorting device 20 have been explained, but the tire rotating device can also be used for tire inspection in the tire transport process, trimming, uniformity, etc.
Of course, it is possible to use paint, etc.

〔Effect of the invention〕

The present invention provides a tire loading/unloading conveyor that can be raised and lowered to transport tires horizontally as described above, and a support that can be raised and lowered relative to the loading/unloading conveyor and supports the bottom of the tire. It is composed of a roller, a stopper/drive roller that clamps and rotates the tire supported by the support roller, and a plurality of copying rollers, so it has a simple configuration and can stably rotate the tire while it is positioned. Furthermore, the device itself can be manufactured at low cost without increasing its size. Furthermore, since the inner diameter part of the tire is clamped, the position of the bead part can be determined and the inner diameter of the tire can be measured.

It can also be widely applied to other devices.

[Brief explanation of drawings]

Fig. 1 is a side view of a tire rotating device embodying the present invention, Fig. 2 is a front view of Fig. 1, and Fig. 3 is a
Figure 4 is a plan view, and Figure 4 is an enlarged side view of the copying roller.
FIG. 5 is a plan view taken along the - arrow in FIG. 4. 3... Loading/unloading conveyor, 4a, 4b... Stopper and drive rollers 4a, 4b, 10... Support roller,
11a, 11b...copying rollers 11a, 11b, W
…tire.

Claims (1)

[Claims] 1. A loading/unloading conveyor with a transfer surface for conveying tires in a horizontal state is constructed by arranging a plurality of rollers in a planar manner. A rotatable support roller that lifts and supports the bottom surface of the horizontally placed tire is installed, and is further retracted from above the transfer surface on the delivery end side of the loading/unloading conveyor to engage with the side surface of the horizontally placed tire. A pair of left and right stoppers and driving rollers are installed, and a copying roller is provided in the transfer surface closer to the carry-in side than the carry-out end, and is capable of engaging with the side surface of the horizontal tire and moving back and forth toward the carry-out end. A tire rotating device characterized by being installed.