JPH05208348A - Working equipment - Google Patents

Abstract

PURPOSE:To form the whole equipment compact even in case of many working processes by providing transfer devices with which a work piece can be freely delivered between a transport device and a holding device and between holding devices, between a linear route part and a holding device group. CONSTITUTION:A plurality of work piece holding devices 10A, 10B, 10C are provided on the side of the linear route part 6 of a transport device 1. These holding devices 10A, 10B, 10C are provided with work piece holding tools 12 on a plurality of positions of each rotary table 11. Further, transfer devices 15A, 15B with which a work piece 2 can be freely delivered between the transport device 1 and the holding devices 10A, 10B, 10C, and between the holding devices 10A, 10B, 10C, are provided between the linear route part 6 and the holding device 10A, 10B, 10C group. The work piece 2 delivered from the transport device 1 to the holding tool 12 of holding device 10A, 10B, or 10C by means of the transfer device 15A or 15B is variously machined during movement in the circumferential direction by intermittent or continuous rotation of the rotary table 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing facility used for welding an automobile part, for example.

[0002]

2. Description of the Related Art Conventionally, as this type of equipment, for example, the structures shown in FIGS. 3 and 4 have been provided. That is, the workpiece 31 conveyed by the supply conveyor 30 is supplied to the empty pallet 33 located at the start end of the transfer device 32 by the supply robot.
Transferred via 34. The pallet 33 supporting the work piece 31 is linearly conveyed by the conveyance device 32, and during this conveyance, the work piece 31 is subjected to desired processing by an automatic processing device 35 such as a welding robot or a person 36. ing. The workpiece 31 which has been subjected to the desired processing in this way reaches the terminal end of the transfer device 32, and is transferred to the extraction conveyor 38 by the extraction robot 37. The pallet 33 emptied at the end of the transfer device 32 is returned to the start end of the transfer device 32 by using the return transfer device 39 formed below the transfer path.

[0003]

According to the above-mentioned conventional structure, the more processing steps by the automatic processing device 35 and the person 36, the longer the transfer line by the transfer device 32 and the larger the occupied area of the equipment. Further, since the return transport device 39 for returning the empty pallet 33 is used, the pit 40 must be formed on the floor side, which makes the construction cost expensive.

An object of the present invention is to provide a processing facility which can be compactly formed even if there are many processing steps, and which can be constructed at low cost by eliminating the need for pits.

[0005]

In order to achieve the above object, the processing equipment of the first aspect of the present invention is provided with a transfer device for transferring a workpiece, and the processing device is provided on a side of the linear path portion of the transfer device. A plurality of object holding devices are provided in the direction of the path portion, and these holding devices are composed of a rotary table and a workpiece holder provided at a plurality of positions on the rotary table at predetermined angles, and the linear path portion is provided. A transfer device is provided between the carrier device and the holding device, and between the holding device and the holding device so that the workpiece can be transferred between the holding devices.

In the processing equipment of the second aspect of the present invention, a carrying device for carrying the workpiece is provided, and a plurality of holding devices for the workpiece are provided on the side of the linear path part of the carrying device in the direction of the path part. The holding devices are composed of a rotary table and holders for workpieces provided at a plurality of positions on the rotary table at predetermined angles, and a carrier device is provided between the linear path portion and the holding device group. A transfer device is provided which is capable of transferring a workpiece to and from the holding device, and the processing device is arranged around the holding device.

Further, the processing equipment of the third aspect of the present invention is provided with a carrying device for carrying the workpiece, and a plurality of holding devices for the workpiece are provided on the side of the linear path portion of the carrying device in the direction of the route portion. The holding devices are composed of a rotary table and holders for workpieces provided at a plurality of positions on the rotary table at predetermined angles, and a carrier device is provided between the linear path portion and the holding device group. A transfer device is provided that is capable of transferring a workpiece to and from the holding device, and a surrounding wall body that surrounds the transfer device including a part of the holding device is provided. A processing device is arranged around the device.

Further, the processing equipment of the fourth aspect of the present invention is provided with a carrying device for carrying the workpiece, and a plurality of holding devices for the workpiece are provided on the side of the linear path portion of the carrying device in the direction of the route portion. These holding devices are composed of a rotary table and holders for workpieces provided at a plurality of positions on the rotary table at predetermined angles. Two holding devices are provided between the linear path portion and the holding device group. Provide one transfer device corresponding to the holding device,
This transfer device transfers the work piece of the transfer device to one holding device, transfers the work piece of one holding device to the other holding device, and returns the work piece of the other holding device to the transfer device. Is configured.

[0009]

According to the structure of the first aspect of the present invention, the workpiece transferred by the transfer device is received by the transfer device,
It is then passed to the empty holder of the corresponding holding device. The workpiece received by the holder moves by intermittent or continuous rotation of the rotary table, and various processing is performed during the movement. When the rotary table makes one rotation, the workpiece facing the transfer device again is received by the transfer device, and then transferred to the transfer device for transfer.

According to the structure of the second aspect of the present invention, during intermittent or continuous rotation of the rotary table, the processing devices provided in the periphery are automatically or manually operated to operate,
The desired processing can be performed on the work piece.

Further, according to the structure of the third aspect of the present invention, during the intermittent or continuous rotation of the rotary table, the desired mechanical processing can be performed by the processing device provided in the enclosure, and the operator outside the enclosure can perform the desired machining. Can be artificially processed.

Further, according to the structure of the fourth aspect of the present invention, the work to be opposed to the transfer device again by one rotation of the rotary table is received by the transfer device. Here, when the workpiece is finished the desired processing, the workpiece received by the transfer device is transferred to the transport device and transported. When it is necessary to perform another processing, the workpiece received by the transfer device is passed to the empty holder of another corresponding holding device, and after the processing is performed in the same manner as described above, It is transferred to the transfer device via the transfer device.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. Reference numeral 1 denotes a transporting device for transporting the workpiece 2, which is a machine frame 3 installed on the floor and a large number of rollers 4 provided on the machine frame 3.
The work piece 2 is supported by the pallet 5 and conveyed by a pallet 5 supported and guided by the rollers 4 and a drive device (not shown) for driving the group of rollers 4. The carrier device 1 may be of a type in which the pallet 5 is supported and guided by a guide on the machine frame 3 side.

A linear path portion 6 is formed on at least a part of the path formed by the conveying device 1, and the holding devices 10A, 10 for holding the workpiece 2 are provided on one side of the linear path portion 6.
A plurality of Bs and 10Cs (three in the embodiment) are provided in the direction of the route portion. That is, each of the holding devices 10A, 10B, 10C has the same structure, is arranged on the floor at a predetermined interval L, and is interlocked with a rotary drive device (not shown) to rotate around the vertical axis. A rotatable rotary table 11 and this rotary table 11
It is composed of a plurality of holders 12 for holding the workpiece 2 which are provided at a plurality of positions at predetermined angles in the circumferential direction (four positions at 90 degrees in the embodiment). Here, the rotary table 11 is intermittently rotated in a predetermined one direction at 90-degree intervals, which is the arrangement angle of the holders 12, and the holder 12 is clamped or placed on the workpiece 2 by a clamping method or a mounting method. Hold.

The linear path portion 6 and the holding devices 10A, 10
Between the B and 10C groups, the carrier device 1 and the holding devices 10A and 10
Transfer devices 15A and 15B that can freely transfer the workpiece 2 are provided between the devices B and 10C and between the holding devices 10A, 10B, and 10C. The transfer devices 15A and 15B are provided with a total of two units, one for each of the two holding units, the rotary unit 16 disposed on the floor, the clamp unit 17 provided for the rotary unit 16, and the like. It is configured as an automatic transfer format.

An enclosure 20 is provided which surrounds all the transfer devices 15A and 15B including a part of the holding devices 10A, 10B and 10C. That is, the surrounding wall body 20 traverses the carrier device 1 from the outside on the other side of the carrier device 1, and each holding device 10A, 10B, 10
It is arranged so as to surround the portions of the transfer device 15A, 15B near C, and is constituted by side walls and ceiling walls. At that time, the transfer device 1 and the holding devices 10A, 10B, 10C are provided on the side wall.
A penetrating portion 21 is formed to allow the insertion of the.

Within the enclosure 20 and the holding device 10A,
In the vicinity of 10B and 10C, the holding device 10 is moved from the position displaced by 90 degrees with respect to the position where the transfer devices 15A and 15B face each other.
Processing devices 25A, 25B and 25C facing A, 10B and 10C are provided. Here, the processing devices 25A, 25B, 25C are constituted by, for example, automatic welding devices. Then, outside the surrounding wall body 20 and around the holding devices 10A, 10B, and 10C, a work place 26 for an operator is formed. The enclosure
A parts feeder 27 and the like are arranged inside the holding device 20 and around the holding devices 10A, 10B and 10C.

The operation of the above structure will be described below.
The workpiece 2 is placed on the pallet 5 and is transported by the transport device 1. Then, the workpiece 2 conveyed through the linear path portion 6 is stopped while facing the superior transfer device 15A. In this state, the rotating portion 16 of the transfer device 15A is rotated, the clamp portion 17 is made to face the workpiece 2, and then the workpiece 2 is clamped by the clamp portion 17. As a result, the pallet 5 emptied is transported by the transport device 1 and stopped in opposition to the lower transfer device 15B.

Then, the rotating portion 16 is rotated to make the workpiece 2 face the empty holder 12 of the corresponding upper holding device 10A, and then the workpiece 2 of the clamp portion 17 is held empty. Pass to. And the rotating part 16 is intermittently rotated by 90 degrees,
The workpiece 2 held by the holder 12 is opposed to the processing device 25A. Next, the desired work is performed on the workpiece 2 by the automatic work of the processing device 25A provided in the enclosure 20. Then, the rotating portion 16 is intermittently rotated again by 90 degrees so that the workpiece 2 faces the work place 26, and the worker 28 outside the enclosure 20.
The intended work for the work piece 2 is performed by the artificial work by.

Next, the rotary part 16 is intermittently rotated by 90 degrees, and the work 2 is faced to the next work place 26, and the desired work is performed on the work 2 by the manual work of the worker. .. By intermittently rotating the rotating portion 16 by 90 degrees, the workpiece 2 can be opposed to the transfer device 15A again.

As described above, while the workpiece 2 is rotated 360 degrees (one rotation), the workpiece 2 is subjected to the intended processing operation at the holding device 10A. Next, the workpiece 2 is clamped by the clamp portion 17 of the transfer device 15A and taken out from the holding device 10A. Then, in this state, the rotating part 16 of the transfer device 15A is rotated, and the workpiece 2 held by the clamp part 17 is rotated.
After facing the empty holder 12 in the intermediate holding device 10B, the workpiece 2 of the clamp portion 17 is held in the empty holder.
Pass to 12. In the intermediate holding device 10B, the rotating part 16 is intermittently rotated by 90 degrees as described above, and the workpiece 2 held by the holding tool 12 is made to face the work place 26 and the processing device 25B. Work.

The workpiece 2 which has been subjected to the desired work while being held by the intermediate holding device 10B is transferred by a good transfer device 15
After being received by the lower transfer device 15B that operates in the same manner as in A, it is passed to the lower holding device 10C, and by intermittent rotation of the lower holding device 10C, it is made to face the work place 26 or the processing device 25C, and the desired operation is performed. Do the work. Next, the work piece 2 is taken out by the lower transfer device 15B, and the lower transfer device 15B.
It is returned to the pallet 5 which is stopped facing 15B. After that, the workpiece 2 is transported to the next step by the transport device 1.

Although the pallet 5 is used as the conveying device 1 in the above embodiment, it may be a belt conveyor or a roller conveyor. Further, the holding devices 10A, 10B, 10C and the transfer devices 15A, 15B, etc. are provided on one side of the carrier device 1. These are the holding devices 10A, 10B, 10C and the transfer device 15.
A, 15B, etc. may be provided on both sides of the carrier 1. The rotary table 11 may be continuously rotated in one direction depending on the work, or may be intermittently or continuously rotated back and forth.

FIG. 2 shows another embodiment of the present invention. That is, a pair of holding devices is provided on the side of the linear path portion 6 of the transport device 1.
10A and 10B are provided, and one transfer device 15 is provided between the holding devices 10A and 10B. In this alternative embodiment, the transfer device 15 transfers the work piece 2 conveyed by the conveying device 1 to one holding device 10A, and finishes the desired processing by the one holding device 10A. 2 is transferred to the other holding device 10B, and the workpiece 2 that has been subjected to the desired processing by the other holding device 10B is returned to the transport device 1.

[0025]

According to the first aspect of the present invention having the above-described structure, the workpiece transferred by the transfer device can be received by the transfer device and then transferred to the empty holder of the corresponding holding device. The workpiece received by this holder can be moved in the circumferential direction by intermittent or continuous rotation of the rotary table, and various processing can be performed during the movement. Then, when the rotary table makes one rotation, the workpiece facing the transfer device again can be transferred to the transfer device by the transfer device and transferred. As described above, according to the first aspect of the present invention, it is possible to move the work piece in the circumferential direction and perform the work, and it is possible to form the whole compactly even if the number of work steps is large. Further, the conveying device can eliminate the need for a return path such as a pallet and can be constructed at low cost.

According to the structure of the second aspect of the present invention, during intermittent or continuous rotation of the rotary table, the processing device provided in the periphery is automatically or manually operated so that a desired work is performed on the workpiece. Processing can be performed.

Further, according to the structure of the third aspect of the present invention, during the intermittent or continuous rotation of the rotary table, desired mechanical processing can be performed by the processing device provided in the enclosure, and an operator outside the enclosure can perform it. The desired artificial processing can be performed, and thereby the working environment can be made suitable, and the working place by the worker can be widely formed in a diffused manner.

Further, according to the structure of the fourth aspect of the present invention, the work received by the transfer device again by one rotation of the rotary table is transferred to the transfer device and transferred when the desired processing is completed. When it is necessary to perform another processing, the processing can be performed in the same manner as described above by passing it to an empty holder of another corresponding holding device. Therefore, depending on the number of holding devices and transfer devices arranged, it is possible to sufficiently deal with processing in multiple steps.

[Brief description of drawings]

FIG. 1 is a plan view of a processing facility showing an embodiment of the present invention.

FIG. 2 is a plan view of a processing facility showing another embodiment of the present invention.

FIG. 3 is a plan view of processing equipment showing a conventional example.

FIG. 4 is a side view of the processing facility.

[Explanation of symbols]

 1 Transport Device 2 Workpiece 5 Pallet 6 Straight Path 10A Holding Device 10B Holding Device 10C Holding Device 11 Rotary Table 12 Holding Tool 15 Transfer Device 15A Transfer Device 15B Transfer Device 16 Rotating Part 17 Clamping Part 20 Enclosure 25A Processing device 25B Processing device 25C Processing device 26 Work place 28 Worker

Claims (4)

[Claims] 1. A transporting device for transporting a workpiece is provided, and a plurality of holding devices for the workpiece are provided on the side of a linear path portion of the transporting device in the direction of the route portion. And a holder for a workpiece provided at a plurality of positions on the rotary table at predetermined angles, between the linear path portion and the holding device group, between the transport device and the holding device,
In addition, the processing equipment is provided with a transfer device that can freely transfer the workpiece between the holding devices. 2. A carrying device for carrying a workpiece is provided, and a plurality of holding devices for the workpiece are provided laterally of a linear path portion of the carrying device in the direction of the path portion. And a holder for a workpiece provided at a plurality of positions on the rotary table at predetermined angles, between the linear path portion and the holding device group, between the transport device and the holding device,
In addition, the processing equipment is characterized in that a transfer device that can freely transfer the workpiece between the holding devices is provided, and the processing device is arranged around the holding device. 3. A transport device for transporting a work piece is provided, and a plurality of holding devices for the work piece are provided laterally of the linear path portion of the transport device in the direction of the path portion. And a holder for a workpiece provided at a plurality of positions on the rotary table at predetermined angles, between the linear path portion and the holding device group, between the transport device and the holding device,
Also, a transfer device is provided that can transfer the workpiece between the holding devices, and a surrounding wall body that surrounds the transferring device including a part of the holding device is provided, and a processing device is provided around the holding device in the surrounding wall body. A processing facility characterized by the provision of. 4. A carrying device for carrying a work piece is provided, and a plurality of holding devices for the work piece are provided laterally of a linear path part of the carrying device in the direction of the path part. And a holder for an object to be processed, which is provided at a plurality of positions on the rotary table at predetermined angles, and is provided between the linear path portion and the holding device group to correspond to two holding devices.
A transfer device for the table is provided.The transfer device transfers the workpiece of the transfer device to one holding device, transfers the workpiece of one holding device to the other holding device, and transfers the workpiece of the other holding device. A processing facility characterized by being configured to return a workpiece to a transfer device.