JPH06127657A - Transferring roller control device for automatic transferring equipment - Google Patents

Abstract

PURPOSE:To constitute safe and efficient working environment and to have no malfunction in a peripheral control device and to assure smooth and positive control operation by incorporating a switching mechanism for operating a control device such as for the start and stop of a transferring line, etc., in the outer casing of a transferring roller for wide application on a transferring line. CONSTITUTION:In an outer casing 3, an electrical or magnetic sensor 5 is installed on the vicinity of the outer peripheral edge of a bracket 4 fixedly mounted on the outer surface of an output rigid shaft 1. A plate 9 installing a plurality of sensed parts 7 spaced at regular intervals along on the circumference at the vicinity of the outer peripheral edge is mounted on the location facing the tip of the sensing part 6 of the sensor 5. A roller end bearing 10 is mounted on the end of the outer casing 3. An output cord 11 is lead out to outside the outer casing 3 through the hollow part 2 of the output rigid shaft 1 and is connected to a control device 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an automatic factory
The present invention relates to a transfer roller control device for an automatic transfer device, which is used for automatically supplying or carrying materials, products and the like via a carrying line.

[0002]

2. Description of the Related Art Conventionally, in an automated factory in which this type of transfer line is installed, a plurality of small switches such as a micro switch and a limit switch are used to operate a control device for starting and stopping the transfer line. (A) is shown in FIG.
As shown in Fig. 2, the transfer line (b) is installed on the line or at a place (c) near the line, and the drive of the transfer roller (d) is controlled by turning on / off the small switch (b). The device (e) is operating.

[0003]

As described above, the conventional transfer roller control device has a plurality of small switches () on the line or near the line (c) in the transfer line (b). Due to the installation of (a), it is necessary to pay close attention to traffic on and near the line (c), and due to the carelessness of the operator, touch the small switch (b) or carry a product. Other than that, the small switch (a)
There is a risk that it may cause a malfunction, and it is not possible to maintain a safe working environment, and there is also a problem that the work cannot be performed reliably and efficiently.

In view of the above problems, the present invention incorporates a switch mechanism for operating a control device such as starting and stopping of a transfer line into an outer cylinder of a transfer roller,
By widely using the transportation line, materials and products can be efficiently transported, a safe and efficient work environment can be configured, and a transportation roller installed outside It is an object of the present invention to provide a conveyance roller control device for an automatic conveyance device, which enables smooth and reliable control without causing a control device for driving the sheet to malfunction.

[0005]

In order to achieve the above-mentioned object, the present invention is fixed to the outer surface of the output fixed shaft and mounted inside the outer cylinder which rotates about the output fixed shaft. An electrical or magnetic sensor is installed near the outer peripheral edge of the fixed bracket, and a plurality of sensed parts are fixed along the circumference of the outer peripheral edge at a position facing the tip of the sensing part of the sensor. In addition to installing at every interval, a plate with ball bearings is installed, and roller end bearings installed on the outer side of the plate are installed on the outer cylinder end, and the sensor output is connected to the sensor. It is characterized in that the cord is led out to the outside of the outer cylinder through the hollow portion of the output fixed shaft, and the plurality of sensed portions are provided with protrusions or slit holes. Set up,
Furthermore, a bar code is also provided.

[0006]

Next, the operation state of the present invention will be described. The output fixed shaft and the bracket mounted on the outer surface of the output fixed shaft and having the sensor installed are coaxially fixed, and a plate on which a plurality of sensed parts are installed The outer circumference of the ball bearing, the roller end bearing, and the outer cylinder integrally rotate coaxially around the output fixed shaft. In accordance with this rotation operation, the plurality of sensed parts installed at regular intervals along the circumference of the plate near the outer peripheral edge also rotate at a constant angular velocity about the output fixed shaft.

Since the sensor installed on the bracket is in a fixed state, the sensor detects a plurality of sensed parts installed on the plate rotating at a constant angular velocity,
This sensor senses and receives electric or magnetic pulse signals transmitted at regular time intervals.
The received pulse signal is input to a control device connected to the outside through a sensor output cord connected to the sensor. Then, by the operation of the control device, control operations such as starting and stopping the driving of the carrying roller, and further detecting the size of the product carried on the carrying roller are performed. .

[0008]

Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a sectional front view of a transport roller in a transport roller control device of an automatic transport device according to the present invention. In the inside of the outer cylinder 3 which rotates around the output fixed shaft 1, the electrical or magnetic sensor 5 is provided near the outer peripheral edge of the bracket 4 fixedly mounted on the outer surface of the output fixed shaft 1. Set up. At a position facing the tip of the sensing portion 6 of the sensor 5, a plurality of sensed portions 7, 7, 7 are installed at regular intervals along the circumference near the outer peripheral edge, and a ball bearing 8 is provided. Mount the mounted plate 9. The roller end bearing 10 installed at the outer position of the plate 9 is attached to the end of the outer cylinder 3.

The plate 9, the outer periphery of the ball bearing 8, the roller end bearing 10 and the outer cylinder 3 integrally rotate coaxially about the output fixed shaft 1. Further, a sensor output cord 11 connected to the sensor 5 is passed through the hollow portion 2 of the output fixed shaft 1 to lead out to the outside of the outer cylinder 3 to form a carrying roller A. A controller 12 is connected to the output cord 11. By the operation of the control device 12, the driving of the carrying roller A having the above-described configuration is started or stopped, and further, the size of the product carried on the carrying roller A is detected, or the like. The control operation of is performed.

In FIG. 1, a roller end bearing 16 is mounted on the opposite side of the outer cylinder 3 from the roller end bearing 10. Inside the roller end bearing 16, roller bearings 17, 18 are provided. A spring 19 and a built-in spring 19 are installed inside the outer cylinder 3, and an intermediate bearing 21 having a roller bearing 20 built therein is installed inside the outer cylinder 3. One end of the roller A is supported, and the output fixing shaft 1 and the mounting shaft 22 allow the transfer roller A to be supported by one touch.

FIG. 2 is a front view of a plate 9 in which a plurality of sensed parts 7, 7, 7 are installed at regular intervals along the circumference of the periphery of the sensed part. As 7,
2A shows an example of the protrusion X, FIG. 2B shows an example of the slit Y, and FIG. 2C shows the barcode Z.
Shows an example of. A hole 13 is formed in the center of the plate 9 so that the output fixed shaft 1 is inserted therethrough. In FIG. 3, a mounting hole 14 for mounting the sensor 5 is provided, and at the center of the sensor 5, a hole 15 for inserting and fixing the output fixing shaft 1 is provided. FIG.

FIG. 4 shows a plurality of transport rollers A, A, A.
Is a plan view of the transfer line L installed in parallel on both sides, and FIG. 5 is a side view of the same. The number of the transfer rollers A installed on the transfer line L is set arbitrarily depending on, for example, the weight of the product to be transferred, and between the transfer roller A and the next transfer roller A. Any number of ordinary rollers B may be installed in the transport line L, and the entire transport line L includes the transport rollers A.
And ordinary rollers B are arranged at equal intervals on both sides of the line in parallel.

Next, the operating state of the present invention will be described.
The fixed output shaft 1 is mounted on the outer surface of the fixed output shaft 1,
Moreover, it is coaxially fixed to the bracket 4 on which the sensor 5 is installed. On the other hand, the plate 9 on which a plurality of sensed parts 7 are installed, the outer circumference of the ball bearing 8, the roller end bearing 10 and the outer cylinder 3 are integrally rotated coaxially around the output fixed shaft 1. To do. In accordance with this rotation operation, a plurality of sensed parts 7 arranged at regular intervals along the circumference of the plate 4 near the outer peripheral edge thereof.
Also, the output fixed shaft 1 is rotated at a constant angular velocity.

Sensor 5 installed on bracket 4
Is fixed, the sensor 5 has a plurality of sensed parts 7 installed on the plate 4 rotating at a constant angular velocity.
Then, the sensor 5 receives an electric or magnetic pulse signal which is transmitted at a constant time interval according to the angular velocity of the plate 4. This received pulse signal is the sensor output cord 1 connected to the sensor 5.
1 to the control device 12 connected to the outside. The control device 12 performs control operations such as starting and stopping the driving of the transport roller A, and further detecting the size of the product transported on the transport roller A. is there.

[0015]

The present invention is constructed as described above and has the following effects. That is, the electrical or magnetic pulse signals from the plurality of sensed parts of the plate are received by the sensor installed in the bracket in a fixed state at each time interval accompanying a constant angular velocity of the plate rotation. Since the received pulse signal is to be input to the control device connected to the outside through the sensor output cord connected to the sensor, like the conventional transfer line, in the transfer line, There is no need to purposely install a small switch for operating the control device on or near the line, so the working environment in the factory can be organized and workers can work safely. In addition, it has excellent features such as that the work efficiency can be remarkably increased, the construction is simple, and a cost-effective factory transfer line can be constructed. .

[Brief description of drawings]

FIG. 1 is a sectional front view of a transport roller in a transport roller control device of an automatic transport device according to the present invention.

2A and 2B are front views of a plate on which a plurality of sensed portions are installed. As the sensed portions, FIG. 2A shows an example of protrusions and FIG. 2B shows slits. An example of a hole,
Further, FIG. 2C is a front view showing an example of a barcode.

FIG. 3 is a front view of a sensor mounting bracket.

FIG. 4 is a plan view of a transfer line.

FIG. 5 is a side view of the transfer line.

FIG. 6 is a plan view of a conventional transfer line.

[Explanation of symbols]

 1 Output fixed shaft 2 Hollow part of output fixed shaft 3 Outer cylinder 4 Sensor mounting bracket 5 Sensor 6 Sensor sensing part 7 Plate sensed part 9 Plate 10 Roller end bearing 11 Sensor output code

Claims (4)

[Claims] 1. An electric or magnetic sensor is installed near an outer peripheral edge of a bracket fixedly mounted on the outer surface of the output fixing shaft inside an outer cylinder which rotates around the output fixing shaft. Then, at a position facing the tip of the sensing part of the sensor, a plurality of sensed parts are installed at regular intervals along the circumference near the outer peripheral edge, and a plate equipped with a ball bearing is mounted, Moreover, the roller end bearing installed at the outer position of the plate is attached to the outer cylinder end, and the sensor output cord connected to the sensor is passed through the hollow portion of the output fixed shaft to A conveyance roller control device for an automatic conveyance device, which is characterized in that it is led out to the outside. 2. The transfer roller of the automatic transfer device according to claim 1, wherein the plurality of sensed portions installed along the circumference of the plate near the outer peripheral edge are protrusions. Control device. 3. The automatic transfer device according to claim 1, wherein the plurality of sensed parts installed along the circumference of the plate near the outer peripheral edge thereof are slit holes. Roller control device. 4. The transfer roller of the automatic transfer device according to claim 1, wherein the plurality of sensed portions installed along the circumference of the plate near the outer peripheral edge are bar codes. Control device.