JP5642070B2 - Workpiece transfer device - Google Patents

Description

  The present invention relates to a workpiece transfer device that transfers workpieces from an overhead conveyor to a floor conveyor or from a floor conveyor to an overhead conveyor.

As a conventional transfer device, the work support hanging on the overhead conveyor hanger is lifted and removed from the overhead conveyor hanger in synchronization with the overhead conveyor, and then the lifted work support is synchronized with the floor conveyor, It is known that a workpiece is docked on a conveyor carrier and a work is transferred from an overhead conveyor to a floor conveyor.

In addition, the workpiece conveyed by the overhead conveyor is received by the workpiece holder by extending the multistage strut by the lifting drive device, and the workpiece is lowered by contracting the multistage strut by the lifting drive device, and traveling by the traveling drive device in the middle of the lowering There is known a transfer device that transfers a work to a floor conveyor in a state in which the table is moved in the transport direction and synchronized with the moving speed of the floor conveyor (see, for example, Patent Document 1).

JP 2008-239292 A

However, a device that lifts the workpiece support hanging on the overhead conveyor hanger, removes it from the overhead conveyor hanger, and docks it to the carrier of the floor conveyor requires high mechanical accuracy and control technology, which increases costs. There is a problem of becoming. In addition, when lifting the workpiece support and removing it from the overhead conveyor hanger, the part located above the workpiece is gripped. It may become.

Also, in the technique described in Patent Document 1, a work that has been transported by an overhead conveyor by a lifting drive is received, and the work is transferred to the floor conveyor in a state synchronized with the moving speed of the floor conveyor. This requires a high mechanical accuracy and control technology, which increases the cost.

  The present invention has been made in view of such problems of the prior art, and its object is to transfer workpieces from an overhead conveyor to a floor conveyor or from a floor conveyor to an overhead conveyor with a simple configuration. An object of the present invention is to provide a workpiece transfer device capable of performing the above.

In order to solve the above-mentioned problems, the invention according to claim 1 comprises an overhead conveyor, a workpiece support that is transported by being dropped on the overhead conveyor, and a floor conveyor that receives the workpiece support from the overhead conveyor and conveys it. The overhead conveyor and the floor conveyor are provided facing each other, and the overhead conveyor and the floor conveyor run synchronously and are provided facing each other, and the work support is transferred from the overhead conveyor to the floor conveyor. In the region where the overhead conveyor and the floor conveyor approach each other at substantially the same inclination angle and engage with each other via the workpiece support, thereby supporting the workpiece support simultaneously at the same time. It is arranged to be able to.

When the workpiece support is transferred from the overhead conveyor to the floor conveyor, the workpiece support can be tilted in the advancing direction and detached from the overhead conveyor.

The invention according to claim 3 is composed of a floor conveyor, a workpiece support that is placed on the floor conveyor and conveyed, and an overhead conveyor that receives the workpiece support from the floor conveyor and conveys the overhead conveyor, In the area where the overhead conveyor and the floor conveyor run synchronously and are provided facing each other, and the work support is transferred from the floor conveyor to the overhead conveyor. The overhead conveyor and the floor conveyor are arranged so that they can approach each other at substantially the same inclination angle and engage with each other via the workpiece support so that they can run in complete synchronization and simultaneously support the workpiece support. It has been established.

The work support includes a main pole that supports the work, a hook member that is provided at an upper end of the main pole and is hung on a hanger of the overhead conveyor, and a carrier of the floor conveyor that is provided at the lower end of the main pole. It can comprise from the coupling | bond part which inserts an insertion member.

The coupling portion may be provided with a hopper-shaped portion so that the insertion member can be easily inserted.
Further, a cylinder for removing the hanger from the hook member after completion of transfer of the workpiece support from the overhead conveyor to the floor conveyor may be provided in the overhead conveyor.

According to the present invention, a workpiece can be reliably transferred from an overhead conveyor to a floor conveyor or from a floor conveyor to an overhead conveyor with a simple configuration. The problem of dust adhering to the workpiece is eliminated by transfer. Even if a transfer trouble occurs, recovery is fast.
Further, when the work support is transferred from the overhead conveyor to the floor conveyor, if the work support is tilted in the traveling direction, the work support can be reliably detached from the overhead conveyor.

If a hopper shape part is formed in the joint part which inserts the insertion member which a carrier has, it can transfer a workpiece | work support body from an overhead conveyor to a floor conveyor easily.
Moreover, if the cylinder which removes a hanger from a hook member is provided in an overhead conveyor after completion of transfer of a workpiece support from an overhead conveyor to a floor conveyor, a workpiece support can be reliably detached from an overhead conveyor.

Whole explanatory drawing of the workpiece transfer apparatus concerning this invention Explanatory drawing of the connecting part of the carrier insertion member and the workpiece support Explanatory drawing of transfer process from overhead conveyor to floor conveyor Explanatory drawing of the state of separation of the workpiece support from the overhead conveyor by the cylinder

  Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the workpiece transfer apparatus according to the present invention receives an overhead conveyor 1, a workpiece support 2 that is transported by dropping on the overhead conveyor 1, and the workpiece support 2 from the overhead conveyor 1. It consists of a floor conveyor 3 that conveys.

The overhead conveyor 1 and the floor conveyor 3 run in the direction of arrow A synchronously and are provided facing each other. In the region 4 where the workpiece support 2 is transferred from the overhead conveyor 1 to the floor conveyor 3, the overhead conveyor 1 and the floor conveyor 3 approach each other at substantially the same inclination angles θ1 and θ2, and simultaneously support the workpiece support 2. It is arranged so that it can.

  The overhead conveyor 1 is a belt-shaped guide member 11 fixed to a ceiling or the like, a conveyor main body 12 that is guided by the guide member 11 and moves at a predetermined speed, and a plurality of overhead conveyors 1 that are suspended and conveyed by the conveyor main body 12 at equal intervals. Hanger 13. The hanger 13 is connected to the conveyor body 12 so as to be rotatable with respect to the traveling direction.

The floor conveyor 3 includes a guide rail 15 laid on the floor, a conveyor body 16 that moves along the guide rail 15 at a predetermined speed, and a carrier 17 that is connected to the conveyor body 16 and conveyed. The carrier 17 is provided with a convex insertion member 19 standing on the substrate 18 and four wheels 20 attached to the substrate 18. The insertion member 19 includes a columnar portion 19a, a conical portion 19b, and a stopper 19c.

The workpiece support 2 includes a main pole 21 that supports the workpiece W, a hook member 22 that is provided at the upper end of the main pole 21 and is hung on the hanger 13 of the overhead conveyor 1, and a carrier 17 that is provided at the lower end of the main pole 21. It is comprised from the coupling | bond part 23 in which the insertion member 19 is inserted.

  As shown in FIG. 2, the coupling portion 23 is formed of a concave hopper shape portion 23 a having an enlarged opening so that the insertion member 19 can be easily inserted and a cylindrical shape portion 23 b connected to the hopper shape portion 23 a. Yes. By forming such a hopper-shaped portion 23a in the coupling portion 23, when docking the coupling portion 23 and the insertion member 19, the hopper-shaped portion 23a having a larger opening than the insertion member 19 serves as a guide to support the workpiece. Since the vibration of the body 2 in the front / rear and right / left directions is absorbed, the connecting portion 23 and the insertion member 19 can be docked smoothly. Docking of the coupling portion 23 and the insertion member 19 is completed when the cylindrical portion 19a is fitted into the cylindrical portion 23b and the hopper-shaped portion 23a abuts against the stopper 19c.

  When the workpiece support 2 is transferred from the overhead conveyor 1 to the floor conveyor 3, as shown in FIG. 1 or 3, the floor conveyor 3 is inclined downward so that the hook member 22 is detached from the hanger 13. Since the workpiece support 2 is inclined, the workpiece support 2 can be smoothly detached from the overhead conveyor 1.

  Further, when the overhead conveyor 1 and the floor conveyor 3 support the workpiece support 2 at the same time, as shown in FIG. 4, the piston rod 25 a of the air cylinder 25 is advanced and the hanger 13 is detached from the hook member 22. The workpiece support 2 can be smoothly detached from the overhead conveyor 1 if it is allowed to escape. The air cylinder 25 may be fixed to the guide member 11 or the like.

  The operation of the workpiece transfer apparatus according to the present invention configured as described above will be described. With the hook member 22 hung on the hanger 13, the workpiece support 2 is conveyed to the vicinity of the transfer area 4 by the overhead conveyor 1. Then, as shown in FIG. 1, the overhead conveyor 1 and the floor conveyor 3 are disposed so as to approach each other at substantially the same inclination angles θ 1 and θ 2, so that the workpiece support 2 is supported simultaneously in the transfer area 4. Will do.

  At this time, as shown in FIG. 2, the coupling portion 23 includes a hopper-shaped portion 23 a having an opening larger than that of the insertion member 19, so even if the workpiece support 2 is slightly swung back and forth and left and right, Since 23a plays a guiding role, the connecting portion 23 of the work support 2 and the insertion member 19 of the carrier 17 are smoothly docked. The docking of the connecting portion 23 and the insertion member 19 is completed when the cylindrical portion 19a is fitted into the cylindrical portion 23b and the hopper-shaped portion 23a is in contact with the stopper 19c.

Next, as shown in FIG. 1 or FIG. 3, the work support 2 is inclined in the traveling direction by inclining the floor conveyor 3 downward. As a result, the hook member 22 is detached from the hanger 13, and the work support 2 is connected to the overhead conveyor 1. Can be removed smoothly. Then, the workpiece support 2 is transferred from the overhead conveyor 1 to the floor conveyor 3 and is conveyed by the floor conveyor 3.

In the embodiment of the present invention, the case where the workpiece support 2 is transferred from the overhead conveyor 1 to the floor conveyor 3 has been described. However, the overhead conveyor 1 and the floor conveyor 3 are synchronized in the direction opposite to the arrow A direction shown in FIG. If it is made to run, the workpiece support 2 can be transferred from the floor conveyor 3 to the overhead conveyor 1.

It is possible to provide a workpiece transfer apparatus that can transfer a workpiece smoothly from an overhead conveyor to a floor conveyor or from a floor conveyor to an overhead conveyor with a simple configuration and without attaching dust to the workpiece.

DESCRIPTION OF SYMBOLS 1 ... Overhead conveyor, 2 ... Work support body, 3 ... Floor conveyor, 4 ... Transfer area, 11 ... Guide member, 12 ... Conveyor main body, 13 ... Hanger, 15 ... Guide rail, 16 ... Conveyor main body, 17 ... Carrier, DESCRIPTION OF SYMBOLS 19 ... Insertion member, 21 ... Main pole, 22 ... Hook member, 23 ... Connection part, 23a ... Hopper shape part, 25 ... Air cylinder, W ... Workpiece | work.

Claims (6)

An overhead conveyor, a workpiece support that is transported by being dropped on the overhead conveyor, and a floor conveyor that receives the workpiece support from the overhead conveyor and conveys the workpiece, and the overhead conveyor and the floor conveyor are provided to face each other. The overhead conveyor and the floor conveyor run synchronously and are provided facing each other, and in the region where the work support is transferred from the overhead conveyor to the floor conveyor, the overhead conveyor and the floor conveyor are: It is arranged to be able to run in complete synchronization and support the work support at the same time by approaching each other at substantially the same inclination angle and engaging through the work support. Workpiece transfer device.   The workpiece transfer apparatus according to claim 1, wherein when the workpiece support is transferred from the overhead conveyor to the floor conveyor, the workpiece support is tilted in a traveling direction to be detached from the overhead conveyor. Features a workpiece transfer device. A floor conveyor, a work support placed on the floor conveyor and transported, and an overhead conveyor for receiving and transporting the work support from the floor conveyor, wherein the overhead conveyor and the floor conveyor are provided facing each other. The overhead conveyor and the floor conveyor run synchronously and are provided facing each other, and in the region where the work support is transferred from the floor conveyor to the overhead conveyor, the overhead conveyor and the floor conveyor are , Being arranged so as to be able to run in complete synchronization and simultaneously support the workpiece support by engaging with each other via the workpiece support close to each other at substantially the same inclination angle. Work transfer equipment.   The workpiece transfer apparatus according to any one of claims 1 to 3, wherein the workpiece support includes a main pole that supports the workpiece, a hook member that is provided at an upper end of the main pole and is hung on a hanger of the overhead conveyor, A workpiece transfer device comprising a coupling portion that is provided at a lower end of the main pole and into which an insertion member included in a carrier of the floor conveyor is inserted.   5. The workpiece transfer apparatus according to claim 4, wherein a hopper-shaped portion is provided in the coupling portion so that the insertion member can be easily inserted. The workpiece transfer apparatus according to claim 1 or 2 , wherein after the transfer of the workpiece support from the overhead conveyor to the floor conveyor is completed, a cylinder for removing the hanger from the hook member is provided in the overhead conveyor. Features a workpiece transfer device.

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