JP2512772Y2 - Directional change device for transported objects - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a device for changing the direction of an object to be transferred, and more particularly to a second object for transferring an object to be transferred such as a semiconductor lead frame conveyed from a first conveyor. The present invention relates to a device for changing the direction of an object to be conveyed, which is changed in direction to the conveyance conveyor of FIG.

[Conventional technology]

Conventionally, this type of device rotates so that the direction changing device is located at the entrance of the second transfer conveyor after the object to be transferred conveyed from the first transfer conveyor is received by the direction changing device. Then, the transported object is moved from the direction changing device to the second position.
Sent to the conveyor.

For example, Japanese Utility Model Application Laid-Open No. 59-100722 proposes a direction changing device in which a swivel conveyor is arranged at the connection between the first conveyor and the second conveyor. A moving frame that moves in the diametrical direction is provided on the turning base of the swiveling conveyor, and the moving frame moves straight toward the first transporting conveyor and bites into the first transporting conveyor to reach the first transporting conveyor.
After receiving the object to be conveyed from the transport conveyor, the moving frame moves backward on the swivel base and swivels together with the swivel base toward the second transport conveyor, and after the swivel, the movable frame moves toward the second transport conveyor. It is configured to move straight and bite into the second conveyer to send out the conveyed object from the moving frame to the second conveyer.

As a result, it is possible to perform the direction changing device for the conveyed objects on the first and second conveyors having different conveying directions.

[Problems to be solved by the device]

However, in the conventional device for changing the direction of the transferred object, the moving frame moves linearly in the diametrical direction on the turning base to transfer the transferred object. Therefore, the rectilinear mechanism of the moving frame and the moving frame are stopped at a predetermined position. A stop control mechanism or the like is required, which has a drawback that the structure is complicated. Further, since both ends of the movable arm project from the swivel base during swiveling, there is a drawback that an extra installation space is required for the amount of the projecting.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a direction changing device for an object to be conveyed which has a simple structure and requires a small installation space.

[Means for solving the problem]

In order to achieve the above-mentioned object, the present invention is provided at a connecting portion between a first transfer conveyor and a second transfer conveyor provided in a direction different from that of the first transfer conveyor.
In the device for changing the direction of the transferred object, which receives the transferred object conveyed from the transfer conveyor and then outputs the transferred object to the second transfer conveyor, an arm is erected on a swingable swivel unit. The arm is provided with a swivel conveyor, and the swivel conveyor is composed of a base conveyor unit fixed to the arm and a folding conveyor unit that is foldably provided on the base conveyor unit, and the folding conveyor unit is in a horizontal state. The folding conveyor part is swung together with the swiveling part in a bent state while biting into the outlet part of the first transporting conveyor to receive the transported object from the first transporting conveyor on the base conveyor part, and the folding conveyor part. Is returned from the bent state to the horizontal state and bites into the entrance of the second conveyor to convey the object to be conveyed from the swivel conveyor to the second area. Wherein the sending the conveyor.

[Action]

According to the present invention, the swivel conveyor is composed of the base conveyor and the folding conveyor section, and the folding conveyor section is set in the horizontal state to be bitten into the first conveyor and receive the object to be conveyed. After that, the folding conveyor section is turned and swung toward the second conveyor. The folding portion is made horizontal again and is bitten into the second conveyor, and the object to be conveyed is sent out from the turning conveyor to the second conveyor. Therefore, the structure of the direction changing device is simplified and the installation space is reduced.

〔Example〕

 Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an embodiment of a device for changing the direction of an object to be conveyed according to the present invention. The actuator 12 is supported by a rotation shaft (not shown) of the actuator 12 and rotates in the direction of the arrow in the figure. A turning portion 10 for conversion is provided, and substantially inverted L-shaped arms 14 and 16 are provided on the upper surface of the turning portion 10 so as to face each other.

A swivel conveyor is provided on these arms 14, 16.
The swivel conveyor is composed of base conveyor sections 17a and 17b and folding conveyor sections 54 and 56. Folding conveyors 54, 56 are provided on the horizontal base conveyors 17a, 17b so that they can be folded downward. The folding conveyors 54 and 56 are provided with the shaft 40 while partially intersecting the base conveyors 17a and 17b.
It is rotatably connected to the base conveyor parts 17a and 17b via. Further, the folding conveyors 54, 56 are connected by a shaft 58 orthogonal to them, and the tip of the operating rod part 62 of the cylinder 60 connected to the swivel part 10 is connected to the central part of the shaft 58, whereby , The folding conveyor section
54 and 56 can be bent downward as shown by arrows in the figure with the shaft 40 as a fulcrum according to expansion and contraction of the operating rod portion 62. In the figure, the folding conveyor sections 54 and 56 indicated by chain lines are shown bent downward.

Next, pulleys 18 and 20 are provided at both ends of a rotary shaft 22 supported by the left end portions of the base conveyor portions 17a and 17b in the figure, and a central portion of the rotary shaft 22 is provided on the revolving unit 10. Motor
A pulley 24 connected to the belt 28 via a belt 26 is provided, and the pulleys 18 and 20 are rotated according to the rotation of the motor 28. Further, pulleys 36, 38 are provided at both ends of the shaft 40, and pulleys 42, 44 are provided inside thereof.
Furthermore, the pulleys 50 are also provided at the ends of the folding conveyors 54, 56.
52 are provided. These pulleys 18, 20, 36, 3
Belts 32, 34, 4 between 8, 42, 44, 50, 52 as shown
6 and 48 are stretched so as to rotate in a clockwise or counterclockwise direction in response to the operation of the motor 28.

Next, a method of using the apparatus for changing the direction of a conveyed object according to the present invention will be described with reference to FIGS.

The direction changing device is arranged in advance at the connection portion with the first conveyor 65 and the second conveyor 80. That is, in a state where the folding conveyor sections 54, 56 of the direction changing device are horizontal,
The folding conveyor parts 54, 56 partially intersect the support plates 66, 68 of the first transfer conveyor 65 and bite into them, and
When the direction changing device is opposed to the second transfer conveyor 80 and the folding conveyors 54 and 56 are in the horizontal state, the folding conveyors 54 and 56 cause the rollers 82 and 82 of the second transfer conveyor to move.
Place it so that it cuts in between.

Hereinafter, a method for transferring the lead frame 78 on the first transfer conveyor 65 to the second transfer conveyor 80 in the state of being arranged as described above will be described.

First, drive the motor 28 of the direction changing device to
Rotate the belts 32, 34 and the belts 46, 48 in the same direction as a pair of belts 72, 76 driven by pulleys 70, 74 provided at the ends of the support plates 66, 68 of the first conveyor 65. deep.

As a result, the lead frame 78 indicated by the chain double-dashed line on the first conveyor 65 moves to the direction changing device side, abuts on the protrusions 14a and 16a formed on the base conveyors 17a and 17b, and stops. . When the lead frame 78 stops on the base conveyor parts 17a, 17b, the motor 28 also stops, and then,
The operating rod portion 62 of the cylinder 60 is contracted to fold the folding conveyor portions 54 and 56 downward. (See FIG. 3) Next, in a state where the folding conveyors 54 and 56 are folded downward, the revolving portion 10 is rotated clockwise by 90 degrees, and then the operating rod portion 62 is extended to extend the folding conveyor 54, Return 56 to its original horizontal position. At this time, the folding conveyor unit 5
The ends of 4, 56 are located between the rollers 82, 82 of the second conveyor.

Next, the motor 28 is driven in the opposite direction of the previous rotation, and the lead frame 78 is sent to the second conveyor 80 side,
Transferred between rollers 82, 82. After this, the lead frame 78
Is conveyed in the direction of the arrow in FIG. 4 by the rotation of rollers 82, 82.

After the lead frame 78 is transferred to the second conveyor 80, the folding conveyors 54 and 56 of the swiveling conveyor are folded again, and 90 degrees counterclockwise in the folded state.
After being rotated once to return to the original position corresponding to the first conveyor 65, the operating rod portion 62 is extended to make the folding conveyor portions 54 and 56 horizontal, and then the next lead frame direction change is performed as described above. It is performed in the same process.

As described above, since the present direction changing device can be rotated with the folding conveyor parts 54 and 56 in the bent state at the time of changing the direction, the locus at the time of changing the direction is reduced.

[Effect of device]

As described above, according to the apparatus for changing the direction of an object to be conveyed according to the present invention, the swivel conveyor is composed of the base conveyor and the folding conveyor, and the folding conveyor can bite into the first and second transportation conveyors. Since the swivel conveyor is installed in advance, the structure of the direction changing device is simplified. Further, since the folding conveyor section can be turned while being bent at the time of changing the direction, it is possible to reduce the installation space of the direction changing device for the conveyed object.

[Brief description of drawings]

1 to 4 are explanatory views of an embodiment according to the present invention.
FIG. 4 is a perspective view of the present embodiment, FIG. 2 is a plan view showing a state before changing the direction of the present embodiment, FIG. 3 is a plan view showing a state in which the folding conveyor section of the present embodiment is folded, and FIG. [FIG. 7] is a plan view showing a state in which the present embodiment has finished the direction change. 10 ... Revolving part, 14, 16 ... Arm, 17a, 17b ... Base conveyor part, 54, 56 ... Folding conveyor part, 60 ... Cylinder, 62 ... Working rod part.

Claims (3)

(57) [Scope of utility model registration request] 1. A transferred object which is provided at a connecting portion between a first transfer conveyor and a second transfer conveyor which is provided in a direction different from that of the first transfer conveyor and which is transferred from the first transfer conveyor. In a device for changing the direction of an object to be transferred after receiving an object and sending the changed direction to the second conveyor, an arm is erected on a revolving swivel unit and a swivel conveyor is provided on the arm. The swiveling conveyor comprises a base conveyor section fixed to an arm and a folding conveyor section foldably provided on the base conveyor section, and the folding conveyor section is in a horizontal state at an outlet of the first conveyor. While biting into and receiving the object to be conveyed from the first conveyor on the base conveyor section, the folding conveyor section is swung together with the swivel section in a folded state, The folding conveyor section is returned from the folded state to a horizontal state, bites into the entrance portion of the second transfer conveyor, and sends it out from the swiveling conveyor of the transfer target to the second transfer conveyor. apparatus. 2. The device for redirecting an object to be conveyed according to claim 1, wherein the folding conveyor section is foldable downward with respect to the base conveyor section. 3. An operating cylinder is provided in the swivel unit and swivels together with the swivel unit, and an operating rod of the operating cylinder is connected to the folding conveyor unit to position the folding conveyor unit in a folding state or a horizontal state. A device for changing the direction of an object to be conveyed according to claim (1), characterized in that: