JPS60221252A - Workpiece mounting and demounting apparatus for circulation type transfer body - Google Patents

Abstract

PURPOSE:To shorten the mounting and demounting cycle by installing revolution bodies which revolve around a common axis line at a sending-out position and a receiving position and index the receiving, returning, and receiving and transferring positions for a transfer body and installing a transfer apparatus between these revolution bodies. CONSTITUTION:A workpiece W is installed onto a transfer body 20 held at the installation position S2 of the first revolution body 30, at a transfer position 13a, and revolved in the direction of arrow X7 and indexed at a carrying-out position S3. Then, the workpiece W is sent in the direction X8 by a transfer cylinder 50 and a roller 53 and loaded onto a container 25 and sent to a working apparatus. The transfer body 20 supporting the workpiece Wa for which working is completed is sent into the engaging groove 35a at the carrying-in position R<1> for the second revolution body 35 by a roller 58 and a cylinder 55, and the revolution body 35 is revolved X2, and indexed at a demounting position R2, and after the workpiece Wa for which working is completed is demounted, it is indexed at the position R3, and the blank transfer body 20 is delivered to the first revolution body 30 by a transfer apparatus 40. With such constitution, the mounting and demounting cycle can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a workpiece attachment/detachment device for a conveyance device using a circulating conveyance body, and particularly to a workpiece attachment/detachment device with a short cycle time for attachment/detachment.

[Prior art]

When the workpiece being processed is temporarily removed from the conveyor to perform special processing (e.g. vapor deposition of aluminum (2) layer, etc.), a conveyor device using a circulating type squeezing body is used. be done. This 11E circulates the Jllll conveying body between the sending position, the processing device, and the receiving position, and at the sending position, several workpieces are loaded onto the Jllll conveying body, and the same 1-workpiece is sent to the processing device together with the conveying body to be processed. At the receiving position, the processed workpiece is removed from the first focusing body, and the same transporting body is returned to the sending position.However, in conventional devices of this type, there are two steps for attaching and removing the workpiece to the conveying body. and the return of the carrier from the receiving position to the sending position is the fifth
As shown in the figure, this was done using -\rutokonhair etc. That is, the unprocessed workpiece 2 is transferred to the conveyor 1 located at the delivery position B on the belt converter 3 (=J), and the processed workpiece is transferred to the processing device as shown by the arrow 7. The IM transport body 1 supporting the workpiece 2a is carried to the receiving position 1fil8 on the bell 1 conveyor 3 as shown by arrow 5, the workpiece 2a is removed, and the I narrowing body 1 is moved as shown by arrow 6. was sent back to the sending position B by 3.

However, in such a conventional device, ′ζ with respect to the receiving position A and the sending position B! Carrying in the narrowing body 1 and Il
! (3) While the refining body 1 is being transferred from the output and receiving position A to the output position iB (return), workpieces cannot be attached to or detached from the conveyor, so there is a problem that the cycle time becomes longer. Ta.

[Purpose of the invention]

An object of the present invention is to provide a workpiece attachment/detachment device of this type that allows workpieces to be attached and detached from a conveyance body even during the carrying-in, IM removal, and return of the conveyance body, and which has a short cycle time for attachment and detachment. shall be.

[Structure of the invention]

In order to achieve this object, the present invention provides a conveyance device using this type of circulating conveyor, which is rotatably supported at the sending position and the receiving position, respectively, about a common axis, and on the outer periphery of each. a first rotating body and a second rotating body each having a plurality of holding parts that hold one side of the conveying body; The first rotary body rotates around the axis and the first rotary body rotates around the axis to set each holding part on its outer periphery to a transfer position for receiving the first narrowing body returned from the second rotary body. [Illll rice transportation processing]--picking up the crop (= J-geru mounting is indexed in the order of position and unloading position where the conveyor is sent out to the processing device by bending, and the second rotary body rotates around the axis. The holding parts on the outer periphery of the holding parts are moved back from the processing device to the +1 person position for receiving the processed workpiece supporting the processed workpiece, the removal position for removing the processed workpiece from the transporter, and the transporter. is indexed in the order of transfer positions for returning the objects to the first rotating body, and the transfer device transfers the conveying body held by the holding section at the transfer position of the second rotating body to the holding section at the transfer position of the first rotating body. It is characterized by being configured so that it can be sent back to.

〔Effect of the invention〕

In the present invention, when the first rotary body and the second rotary body are stopped at each index position, the workpiece is attached to the conveyor body held at the attachment position and the removal position, respectively. =t l), in parallel with the removal, the first.
The transport body can be returned between the holding parts located at the transfer position of the second rotary body, and at the same time, the transport body can be returned from the transport position of the first rotary body to the processing device (5).
The transport body can also be carried in from the general delivery and processing device to the carry-in position of the second rotating body in parallel.

Therefore, the first and second rotating bodies can be rotated by one pinch immediately after the attachment and detachment of the workpiece to the conveyance body is completed, and the next conveyance body can be indexed to the installation and removal positions. The cycle time for loading and unloading workpieces can be reduced.

〔Example〕

To briefly explain the embodiment of the present invention shown in FIGS. 1 to 4, a first rotating body 30 and a second rotating body 35 are provided at a sending position S and a receiving position R, and both rotating bodies 30, 35 are provided at a sending position S and a receiving position R. is provided with four holding parts 30a and 35a on its outer periphery, respectively. The first rotary body 30 moves each holding section 30a and the carrier 20 held thereto to a transfer position S1, an attachment position S2, and an unloading position S.
3 at 90 degree intervals, and the second rotating body 35 moves each holding section 35a and the carrier 20 held thereto to the carry-in position R.
1. Index the removal position R2 and transfer position R3 in this order at 90 degree intervals. The workpiece W sent by the conveyor 13 (6) is picked up by the transfer robot 11 (=1 IJ
It is taken to the first narrowing body 20 at the position S2, loaded into the container 25 at the next general loading and unloading S3, and sent to the processing device 1]. The processed workpiece W a 4:l is loaded into the container 25 a together with the transport body 20 and returned to the second rotating body 3
The workpiece Wa, which has been received and held at the first inspection position R1 of 5, is removed from the IB conveyor 20 by the transfer robot 12 at the next removal position 1, and is returned to the container 13-hi. At the next transfer position R3, the empty carrier 20 is returned to the transfer position S1 of the first rotary housing 30 by the transfer device 40, and then returned to the installation position S2, where it is transferred by the nail transfer roboto T-11. The workpiece W is placed on the 1111 conveyor 20 several times.

Next, the configuration of each part will be explained.

The carrier 20 used to support the workpiece W in this embodiment has a temporary shape as shown in FIGS. will be established.

As shown in FIGS. 2 and 3, the sending position S and the receiving position R
A (7) first rotating body 30 and a second rotating body 35 are provided so as to be rotatable about a horizontal axis of Xm. Both rotating bodies 3
0.35 has almost the same shape, and four T-shaped cross-section engaging grooves 30a and 35a are provided along the rotation axis at 90 degree intervals on the outer periphery, and the retaining part 20a of the conveyor 20 is aligned with the axis. It is held removably from both sides. The first rotating body 30 is rotated by the first indexing motor 31 as indicated by the arrow X6. Driven in the put out. The second rotating body 35
The indexing motor 36 moves the arrow X2. Driven in the X3 direction,
Each engagement groove 35a and the carrier 20 held therein are indexed every 90 degrees in the order of an upward carry-in position R1, a horizontal removal position R2, and a downward transfer position R3.

As shown in FIG. 3, the transfer device 40 that returns the empty conveyance body 20 from the receiving position R to the sending position S is composed of three roller transfer units having the same structure (40a).

40b and 40c, which are arranged in series below the second rotating body 35, between the two rotating bodies 30 and 35, and below the first (eighth) rotating body 30, respectively. Center 1:)-
A support roller 41 is provided on the - side of the roller transfer unit 1401). Each roller transfer Unisol l-40a, 40b, 40
c is 1:I sodo 71a as shown in FIGS. 2 and 3.
A support frame 70 is supported so as to be movable downwardly by an elevating cylinder 7I via a lifting cylinder 7I.
(The IM transfer roller 72 is rotationally driven by a roller rotation motor 73 via 1'JA wheels 74, 75, a boot IJ 76, and a belt 77 in conjunction with H. In the state shown in FIG. As shown in X4, the roller transfer unit 40b is pulled out from the engagement groove 35a.
It is transferred upward and further transferred to the roller transfer unit 4OC--2, so that the engaging portion 20a of the conveying body 20 is engaged with the engaging groove 30a of the first rotating body 30 at the transfer position S1. When the conveyance body 20 is in the central roller transfer unit 40b12, the -L portion of the conveyance body 20 is supported by the support roller 41 (9). Each roller transfer unit 40a.

40b and '40c are lowered when the transport body 2 is not operated as described above.
0, away from the edge 20b of the first. Second rotating body 30.35
so as not to interfere with index rotation.

As shown in FIGS. 2 to 4, a transfer cylinder device 50 is provided in parallel above the first rotating body 30, a roller transfer device 53 and a container indexing device 60 are provided in alignment on the outside of the first rotating body 30. cooperate to load the lid transport body 20 held at the unloading position S3 of the first rotating body 30 into the container 25.

The roller transfer device 53 is the roller transfer unit 40 described above.
It has the same structure as A, etc., and the container indexing device 60 rotates the frame 6 by a rotating arm 65 operated by a rotating cylinder 66.
The container 25 held at 2 is moved along the guide lever 61 by the feed screw 63 and the servo motor 64, and indexed with a predetermined pinch. The carrier 20 supporting the workpiece W is 1
When indexed to the full position S3, the gripping head 52 at the tip of the piston rod 51 of the transfer cylinder device 50 grips the carrier 20, and the transfer cylinder device 50 moves the carrier 20 to the arrow (10) mark X8. direction and pull it out from the engagement groove 30a of the first rotary body 30, and further transfer the roller 72 of the roller transfer device 53.
One rotation of the conveyor 20 sends the carrier 20 to a predetermined position in the container 25.

On the - side and outside of the second rotating body 35, there is a transfer cylinder device 50 similar to the transfer cylinder device 50, roller transfer devices 5 and 3, and container indexing device 60, a roller transfer device 5B, and a container. The transport body 20, which is equipped with an indexing device 60a and supports the processed workpiece Wa loaded in the container 25'a, is placed at the loading position R1 of the second rotary body 35 by a means opposite to that described in -11. It is fed into the engagement groove 35a.

In this embodiment, a conhair 13 is provided along one side of the crop attaching and detaching device, and has a sending position S and a receiving position R.
Transfer positions 13a corresponding to each.

13b and Roboso l-11 for transfer.

12 will be established. Further, processing equipment W, p for performing predetermined processing on the workpiece W supported by the carrier 20 is installed at a distance of one tow from the present workpiece attachment/detachment device.

Next, the operation of this embodiment will be explained.

As shown in FIG. 1, the workpiece W placed on the pallet 14 and sent in the V direction by the conveyor 13 is placed at a transfer position 1.
3a, the pallet 14 is transferred by the transfer robot 11.
The first rotating body 30 is removed from the first rotating body 30 and attached to the conveying body 20 held at the IJ position S2. When the attachment is completed, the first rotating body 30 moves the conveying body 20 in the direction of arrow X7 (
(see FIG. 2) and indexed to the squeezing position S3.

Next, the transfer cylinder device 50 and the roller transfer device 53
The carrier 20 is sent in the direction of arrow X8, and the container 2
50 is mounted in a predetermined position. When a predetermined number of carriers 20 are loaded on the container 25, the container 25 is removed from the container indexing device 60 and moved to the processing start position P1 of the processing device P.
The empty container 25 is sent to the container indexing device 60.
The transport body 2 is attached to
Accept 0.

At the processing start position P1, the carrier 20 is sequentially taken out from the container 25 and sent into the processing device P, performs a predetermined processing (for example, vapor deposition of an aluminum layer) on the attached workpiece W, and then returns to the processing end position P2. A certain context 25a
will be installed on. A predetermined number of 1ull transport bodies 20 are in the container 2
5a, the container 25a is sent to the container indexing device 60a on the receiving position side.

The 1ull feed body 20 supporting the processed workpiece Wa in the container 25a attached to the container indexing device W6 (l a) is sent in the direction of arrow X1 by the roller transfer device 58 and the transfer cylinder device 55. The second rotating body 35 rotates in the direction of arrow The workpiece Wa is removed by the transfer Kawaguchi bot 12 and transferred to the Paleso l-14-1= at the transfer position 113b.The empty 1ull
The feeding body 20 is rotated in the direction of the arrow X3 and indexed to the transfer position R3, and moved by the transfer device 40 in the directions of the arrows X4 and X5, and sent to the transfer position S1 of the first rotating body 30.

Next, the carrier 20 rotates in the direction of arrow
is installed.

(13) Hereinafter, the explanation mainly focused on the movement of one carrier 20, but
If time is taken for this to occur, the workpiece Wa at the removal position R2
1ull conveying body 20 between removal and transfer positions R3 and S1
The operations at each position, such as the transfer and attachment of the workpiece W at the position S2, are performed in parallel.

In this embodiment, the index interval between the first and second rotary bodies 30.35 is 90 degrees, but other index intervals may be used, for example, 1
It can also be set to 80 degrees. In this case, the engagement groove 30a,
The number of 35a is two, the transfer position S1 and the unloading position S3.
Also, the carry-in position R1 and the transfer position R3 are the same position.

Further, in this embodiment, an engagement groove having a T-shaped cross section is used as the holding part 30a on the outer periphery of the first and second rotary bodies 30. Other retaining structures may also be used.

[Effects of Examples]

In the above embodiment, while attaching and detaching the workpiece to and from the conveyor body 20, the conveyor body 20 is returned, (14) Jllll exit, and 1ul1 person is carried out. After completion of attachment and detachment, the next conveyor 20 is immediately indexed to position S2 with l1g and removal position 1n2.
Although it is possible to reduce the cycle time for attaching and detaching, if the index interval of the first and second tors 11 rolling bodies 30.35 is set to 90 degrees as in the example, the condition This method is suitable for cases where it is necessary to change the posture of the workpiece in the processing device 1) by 90 degrees.

[Brief explanation of the drawing]

1 to 4 show embodiments of the present invention; FIG. 1 is a plan view, FIG. 2 is a perspective view, and FIG.
'1l-nr sectional view, Figure 4, rv-I of Figure 1 and 2
FIG. 5 is a perspective view of an example of the prior art). Explanation of No. 71 20...1 general conveying body, 30...1st rotating body, 35...
・Second rotating body, 30a, 35a...holding part (engaged)
, 40... Transfer device, W, Wa... Workpiece, S...
・Delivery position, R...Receiving ()7 position, P...Processing equipment, Sl...Transfer (1> position, S2...Mounting position, S
3...Carry-out position, R1...Carry-in position, R2...Removal position, R3...Transfer position. Applicant Toyota Machinery Co., Ltd. Agent Patent Attorney Teru Hase - (1 other person) Moe 3 Figure t*E Figure 5

Claims (1)

[Scope of Claims] Delivery position and processing] - Circulate a carrier between the device and the receiving position, attach a workpiece to the Ill transporter at the delivery position, and process the workpiece and the carrier together. In a conveying device using a circulating conveyor, which sends the crop to the device, removes the processed crop at the receiving position from the first squeezer, and returns the first squeezer to the sending position, Said sending 111
A first rotary body and a first rotary body each having a plurality of holding parts rotatably supported around an axis of j11 at both the position and the receiving position and holding an example of the first narrowing body on the outer periphery of each body. It consists of two rotating bodies, and a transfer device that returns the 1ull feeding body held in the holding part of the second rotating body to the holding part of the first rotating body, and the first rotating body rotates around the axis. The holding parts on the outer periphery of the holding parts are rotated to a transfer position for receiving the conveying body returned from the second rotating body, and the two workpieces (not added to the narrowing body) are ]) The second rotating body rotates around the axis and holds each of the holding parts on its outer periphery at the The 1ul supporting the processed workpiece sent back from the processing device
A carry-in position for receiving the transport body, a removal position for removing the processed workpiece from the transport body, and a transfer position for returning the transport body to the first rotary body are indexed in this order, and the transfer device 1. A workpiece attachment/detachment device for a circulating conveyance body, characterized in that the conveyance body held by the holding section at the transfer position is returned to the holding section at the transfer position of the first rotating body.