JPH06305548A - Reversing and conveying device for articles - Google Patents

Abstract

(57) [Abstract] [Purpose] To obtain a work reversing and conveying device which is capable of reversing and carrying out a work by a single driving means and has a simple structure. [Structure] The driving force of the drive motor 7 is transmitted to the rotary drum 1 by the first conductive chain 6, and the second conductive chain 1
It is transmitted to the roller conveyors 11 installed at the upper and lower sides in the rotary drum. The first conductive chain and the rotary drum rotate together until the rotary drum rotates 180 degrees.
After the stopper member 20 comes into contact with the fixed stopper member 22, the first conductive chain slides along the rotating drum and transmits the driving force to the sprocket 9. The driving force transmitted to the sprocket 9 is transmitted to the roller conveyor 11 via the sprocket 14 and the second conductive chain 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work reversing / conveying device for carrying in a work such as a cylinder block and reversing the work upside down.

[0002]

2. Description of the Related Art As a work reversing / conveying device for reversing a conveyed work by turning it upside down, for example, the actual open shovel 62-8.
As disclosed in Japanese Patent No. 6328, a work reversing / conveying device including a rotating drum that rotates around a horizontal axis, and roller conveyors that are installed above and below the rotating drum and whose carry-in / carry-out directions are parallel to the rotating axis of the rotating drum. It has been known.

[0003]

In such a conventional work reversing and conveying apparatus, two driving means for rotating the rotary drum and a driving means for rotating the rollers of the roller conveyor are required, and they are driven in order. Therefore, the reverse operation and the carry-out operation are performed. In some cases, only the driving means for rotating the rotary drum is provided, the rollers of the roller conveyor are freely rotated, and the work reversing operation is performed by the driving means, and the unloading operation is performed manually.

In view of the present situation of such a work reversing and conveying device, the present invention provides a work reversing and conveying device which can perform the work reversing and unloading operations by a single driving means and has a simple structure. To aim.

[0005]

Therefore, the gist of the present invention is as follows.
A rotating drum that rotates around a horizontal axis by a driving means,
In a work reversing and conveying device that is installed above and below in the rotary drum and has a roller conveyor whose loading / unloading direction is parallel to the rotation axis of the rotating drum, and which carries out the loaded work by turning it upside down, A first conductive member that is hung between the two, a stopper member that restricts the rotation of the rotary drum, and a second member that is hung between the rollers of the roller conveyor.
It is characterized in that a conductive member and a power transmission means for transmitting the driving force transmitted to the first conductive member to the second conductive member when the rotation of the rotary drum is restricted are provided.

More specifically, in the work reversing and conveying device according to the present invention, the first conductive member is brought into sliding contact with the rotary drum when the rotation of the rotary drum is restricted, and the driving force of the driving means is the same as that of the first conductive member. It is characterized in that it is transmitted to the second conductive member via the power transmission means.

[0007]

According to the work reversing and conveying device according to the present invention,
First, the drive device has a role of rotating the rotating drum via the first conductive member to turn the work upside down, and the rotation of the rotary drum is restricted by the stopper member at the position where the work is turned upside down. When the drive device is further driven in a state where the rotation of the rotary drum is restricted, only the first conductive member is driven thereafter, and the driving force is transmitted to the second conductive member via the power transmission means, and the rollers of the roller conveyor are conveyed. To rotate.
That is, the driving device also has a role of rotating the rollers of the roller conveyor.

More specifically, the rotation drum receives the driving force of the first conductive member and rotates together with the first conductive member until the rotation of the rotary drum is restricted by the stopper member at the upside-down position. After the rotation is restricted by the stopper member, relative slippage occurs between the first conductive member and the rotary drum, and only the first conductive member rotates.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in more detail with reference to the embodiments shown in FIGS.

In this work reversing and conveying apparatus, the rotary drum 1 is connected to the front and rear rotary plates 2 (2).
a, 2b) and is rotatably supported on a support roller 4 mounted on the frame 3. A rail 5 is formed along the outer periphery of the front rotary plate 2a, and one side of the first conductive chain 6 is laid over the rail 5, and the other side of the first conductive chain 6 is hung on a sprocket 8 of a drive motor 7. The rail 5 of the rotary plate 2a is partially formed with a curved portion 5a fitted in the central direction of the rotary plate 2a, and the sprocket 9 is arranged at the center of the curve. Here, the first conductive chain 6 is It is hung on the rail side portion of the sprocket 9 apart from the peripheral surface of the rail 5.

A substantially quadrilateral opening 10 is formed in each of the rotary plates 2a and 2b, and the roller conveyer 1 has a conveyance direction which faces the opening 10 and is parallel to the rotation axis of the rotary drum 1.
1 (11a, 11b) are installed vertically. A sprocket 12 is attached to the shaft (left in FIG. 1) of each roller that constitutes the roller conveyor 11, and the second conductive chain 13 is connected to the sprocket 12 and the sprockets 14 and 15.
Wrapped around, they are made to rotate in conjunction. The sprocket 14 is interlocked with the sprocket 9 having a different 90 ° orientation via a gear box 16 attached to the rear side of the rotary plate 2a, and the sprocket 15 is attached to the front side of the rotary plate 2b so that its position can be adjusted. The tension of the second conductive chain 13 can be adjusted.

Further, a stopper member 20 is installed on the rotary plate 2a, which defines a stop position of the rotary drum 1 together with fixed stopper members 21 and 22 installed at 180-degree opposite positions of the frame. In addition, the work reversing and conveying device of this embodiment includes a work holding member 23, a cylinder 24 that drives the work holding member 23, a regulating member 25 that regulates the left and right of the work, and a detection device 26 that detects the presence or absence of the work on the roller conveyor. , And a sprocket 27 for adjusting the tension of the first conductive chain 6 and the like. Note that FIG.
In addition, the carry-in roller conveyor 28 and the carry-out roller conveyor 29 are also described.

The operation of the work reversing and conveying device having the above structure will be described below. First, the rotary drum 1 is shown in Fig. 1.
When it is located in the state of, the work such as the cylinder block is transferred from the carry-in roller conveyor 28 to the roller conveyor 11
When it is supplied onto the roller conveyor 11b, the cylinder 24 is driven to send out the pressing member 23 and fix the work on the roller conveyor 11b. Next, when the drive motor 7 is rotated counterclockwise (in FIG. 1), the driving force is transmitted to the rotary drum 1 via the first conductive chain 6, and the rotary drum 1 continues until the stopper member 20 contacts the fixed stopper member 22. Rotate 180 degrees to the left,
Reverse the work.

Subsequently, the cylinder 24 is driven in the opposite direction, the pressing member 23 is pulled in, the inverted work is placed on the roller conveyor 11a, and the drive motor 7 is driven leftward again, so that the rotary drum 1 stops. Since the rotation is restricted by the member 20 and the fixed stopper member 22, the first conductive chain 6 has the rail 5 of the rotating plate 2a.
Slides along and rotates the sprocket 9. The driving force transmitted from the first transmission chain 6 to the sprocket 9 is
It is transmitted to the sprocket 14 and the second conductive chain 13 via the gear box 16, rotates each roller of the roller conveyor 11, and sends the work on the roller conveyor 11 a to the unloading roller conveyor 29.

When the drive motor 7 is rotated to the right (in FIG. 1) after the work is unloaded, the rotary drum 1 causes the stopper 2 to move.
0 rotates clockwise until it abuts the fixed stopper 21, returns to the initial state, and prepares for the next work loading.

[0016]

According to the present invention, it is possible to obtain a work reversing / conveying device which can reverse and carry out a work by a single driving means and has a simple structure.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a work reversal conveyance device.

2 is a partially cutaway side view of FIG. 1. FIG.

[Explanation of symbols]

 1 Rotating Drum 2 (2a, 2b) Rotating Plate 6 First Conduction Chain 7 Drive Motor 11 (11a, 11b) Roller Conveyor 13 Second Conduction Chain 16 Gear Box 20 Stopper Member 21, 22 Fixed Stopper Member 23 Holding Member

Claims (2)

[Claims] 1. A rotary drum which is rotated around a horizontal axis by a driving means, and roller conveyors which are installed above and below the rotary drum and whose carry-in / carry-out direction is parallel to the rotary shaft of the rotary drum. In a work reversing / conveying device which is turned upside down and carried out, a first conductive member that is bridged between a drive unit and a rotary drum, a stopper member that restricts rotation of the rotary drum, and a roller of a roller conveyor. And a power transmission means for transmitting the driving force transmitted to the first conductive member to the second conductive member when the rotation of the rotary drum is restricted, and the work reversing and conveying device. 2. When the rotation of the rotary drum is restricted, the first conductive member is brought into sliding contact with the rotary drum, and the driving force of the driving means is transmitted to the second conductive member via the first conductive member and the power transmission means. The work reversal conveyance device according to claim 1, wherein