JPS59186827A - Device for carrying out workpiece - Google Patents

Abstract

PURPOSE:To accurately check the machining condition of each machine by previously specifying the position on a carrying-out conveyor on which a workpiece discharged from each machine is placed and detecting the machine corresponding to each workpiece according to the position on which a workpiece is placed. CONSTITUTION:When carrying out several workpieces W of the same shape, of which the same places are machined by exclusive machines 1-5, using one carrying-out conveyor 6, the position I -V on the conveyor on which the workpiece discharged from each machine is placed, is specified. And, when the workpieces on the conveyor 6 reached a workpiece checker 9 positioned on the lower course side of the conveyor from the machines, the machine which machined the workpiece being checked by the workpiece checker 9, is detected by one of the detecting means 11-15 which are in the same number as the machines and which are provided corresponding to the positions at which each workpiece is placed. Thereby the working condition of each of several machines can be accurately checked by a single workpiece checker 9 while the workpieces from each machine can be carried out through a single carrying-out conveyor 6.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a workpiece delivery device that transports a plurality of workpieces having the same shape, each processed by a dedicated processing machine, to the outside of a processing station using a single delivery conveyor. The present invention relates to a device that determines the correspondence between each workpiece being carried out and the processing machine that processed each workpiece.

Conventionally, when automatically processing a large number of workpieces, such as engine cam seats 71, etc., multiple processing machines were installed on a conveyor line, taking into consideration that there is a limit to reducing the processing cycle time of automatic processing machines. By installing multiple workpieces in series on the side and processing them in parallel with each machine, the number of workpieces processed per fixed time can be increased and the line speed of the transport line can be increased. , it is desirable to increase the amount of workpiece processing.

However, in that case, a large number of workpieces processed by each processing machine are mixed and transported out, so a single workpiece checker is simply provided to check the processing status of each processing machine.
Which processing machine will the workpiece be processed after processing?
It is impossible to determine whether Jb. However, installing a work checker for each processing machine tends to increase equipment costs.

Therefore, in view of this point, the present invention provides each processing machine = 3
- By specifying in advance the placement position of the workpieces to be discharged from the conveyor, and determining the processing machine corresponding to each workpiece based on the placement position, each of the plurality of processing machines The purpose of the present invention is to allow one workpiece checker to check the processing status of the stop material f, and to carry out the workpieces that have been processed for 156 days each using one carryout conveyor.

In order to achieve this purpose, the configuration of this section is a workpiece unloading device that unloads a plurality of workpieces of the same shape, the same parts of which have been processed by a dedicated processing machine, using a single unloading conveyor, The above-mentioned conveyor is provided so that a plurality of sets of 1L-1~ are consecutively loaded with the same number of workpieces as the processing machines arranged at equal intervals, and the processing machine is arranged so that the workpieces on the conveyor are placed in plural sets. A plurality of conveyors are installed in series corresponding to predetermined different work placement positions on each cellar 1, respectively, and furthermore, a plurality of sheets are installed in series corresponding to the pitches of the workpieces on the conveyor 1 to each cellar 1. A plurality of members to be detected installed at equal intervals are placed on a plurality of -4- cellars 1- on the conveyor (one of the same workpiece placement positions corresponds to the workpiece placement position circle). (ii) a first conveyor stopping means for detecting any of the plurality of detected members and stopping the conveyor when the machine moves to the unloading position; one work checker that is installed and inspects the workpiece after processing; a second conveyor stopping means that stops moving the conveyor when the workpiece arrives at a position corresponding to the workpiece checker; and the second conveyor stopping means. On the upstream side of the conveyor, the same number of workpieces as the workpieces are placed on the conveyor. and detecting means for detecting the processing machine that processed the workpiece located at the position corresponding to the workpiece checker, which detects the position of the detected member when the conveyor is stopped by the second conveyor stopping means. With this, when the conveyor is stopped by the first conveyor stopping means, the workpieces are discharged from each processing machine to a predetermined workpiece placement position on the conveyor, and after that, When each work on conveyor F is inspected by the work checker, the corresponding work will be displayed 1
By detecting the detected member, two detecting means detect the processing machine that processed the workpiece.

Hereinafter, the present invention will be explained in detail based on one embodiment shown in the drawings.

The drawing shows the case where the present invention is applied to a machining line with an engine output of l\17 shifts, and 1 to 5 are five automatic machining machines installed in series in workpiece machining station A. The same parts of workpieces W, W, . . . (cam shirt i~) having the same shape are processed. Reference numeral 6 denotes a single carry-out conveyor that is installed on the side of each of the processing machines 1 to 5 and moves to the left in the figure to carry out the workpieces W, W, etc. processed by each of the processing machines 1 to 5. The conveyor 6 has five workpieces W, W, .
2,..., each set S+,82,...
A plurality of sets of bits P (-5Po) of m-6- constant are placed so that the interval between them coincides with the interval Po between the respective works W and W. Each of the above-mentioned processing steps 1 to 5 is carried out on the workpieces W and W of the conveyor 6-1-.
, . . . for each of 1 to S+, S2 . . . For example, as shown in the figure, the first processing machine 1 places the first workpiece in the first set S1. Position t? ? At the same time, the second processing machine 2
The third processing machine 3 is placed at the second workpiece placement position ■ of the set S2, the third processing machine 3 is placed at the third workpiece placement position ■ of the third cellar T-83, and the fourth processing machine 4 is placed at the first workpiece placement position ■ of the set S2. 1-84 at the fourth workpiece loading position 11V, and the fifth addition plate 5 is installed at J, which corresponds to the fifth workpiece loading position V of the fifth cellars 1 to 85, respectively. There is.

] On the side opposite to each of the processing machines 1 to 5 of the pair 6 are the above-mentioned pieces 1 to 8t, S2. A plurality of dogs (
Detected member 7.7. ... has been installed. That is, the detected members 7°-7-7, . . . correspond to the respective cellars hs+, S2, . . . of the works W, W, . They are arranged at equal intervals corresponding to the pitch P of...

Further, on the side opposite to each of the processing l11 to 15 of the conveyor 6, a limit switch 8 for discharging as a means for stopping the first conveyor 8 is located at a position corresponding to and covering between the third and fourth processing machines 3.4. is installed.

The limit switch 8 is connected to the same workpiece placement position in a plurality of cellars 1 to S+, 82, . . . on the conveyor 6, for example, workpiece placement positions I, 1. ... moves to the corresponding unloading position of the processing machine 1, such as the workpiece mounting position T (in the figure, one workpiece mounting position T moves to the unloading position of the processing machine 1, and at the same time the other workpiece placement position r
r, m, . . . are also processed by processing machine 2.3. ), the plurality of detected parts 1.47, 7
．． . . . is detected by contact, and the conveyor 6 is stopped moving.

Further, one work checker 9-8- is installed at a position on the downstream side of the conveyor 6 from the installation position of the processing machines 1 to 5, and the work checker 9 is connected to each of the processing machines 1 to 5.
The external dimensions of the workpieces W, W, . . . processed in step 5 can be automatically inspected.

In addition, workpiece arrival switches 1 to 10 are provided at a predetermined position near the conveyor 6 (corresponding to the work checker 9). Work W on 6, \
When M, . . . arrives at the position corresponding to the work checker 9, this is detected and the conveyor 6 is stopped.

Mid 1-Switch 10 for confirming the arrival of work.
(Second conveyor stopping means) At the upstream side of the reconveyor 6, each machine of the conveyor 6 is placed in the same number of processing machines 1 to 5. (5) first to fifth detection limit switches 11 to 15 as detection means are arranged in series in parallel with the conveyor 6, and are integrated with the conveyor 6 at the detected parts 1i, 7. ...is installed so that it can be detected. Applicable mitt switch 11
~15, the interval is to each work on the conveyor 6/-
9- Distance Pa between W (interval between each workpiece placement position T to V)
The order is set so that the first detection limits 1 to 11 are located on the downstream side of the conveyor 6, and the work arrival confirmation limit switch 10 (221 conveyor stopping means) J: By detecting the stop position of a predetermined member 7 to be detected when the conveyor 6 is stopped by the detection limit switches 11 to 15 that are in contact with each other, the workpiece W at the position corresponding to one workpiece checker is detected. It is configured to detect processing Wl-5 obtained by processing. 16 is the work checker 9 on the conveyor 6.
This is a limit switch for checking the presence or absence of a workpiece W at a position corresponding to , and constitutes an operating switch for a pusher (not shown) that sends the workpiece W to the workpiece checker 9, and the workpiece exists at the position mentioned above. When the switch is on, it is turned ON and the button is activated.

Next, to explain the operation of the embodiment described in "-", if the workpieces W, W, . The same location is processed by processing machines 1 to 5. On the other hand, when the workpiece W has not arrived at the position corresponding to the workpiece J-9 and the workpiece arrival confirmation limit 1 to switch 10 (second conveyor stopping means) are not activated, the conveyor 6 detects the detected members 7 and 7.゜... is intermittently moved flJ? with a constant pitch P such that the movement is stopped when any of them comes into contact with the dispensing limit switch 8 (first conveyor stopping means). I. Then, when the conveyor 6 is stopped by the ON operation of the payout limit switch 1-8, the first workpiece placement position (■) of any one of the cellars 1 to S+, 82, . . . At the unloading position, the second workpiece mounting position ■ is at the unloading position of the second processing machine 2, the third workpiece mounting position ■ is at the unloading position of the third processing machine 3, and the fourth workpiece mounting position ■ v corresponds to the unloading position of the fourth processing machine 4, and the fifth workpiece mounting position V corresponds to the unloading position of the fifth processing machine 5, and in this state, the conveyor is removed from each processing machine 1 to 5. The processed workpieces W, , W, . . . are delivered to predetermined workpiece placement positions 1 to V of 6.

-11- Then, as the conveyor 6 moves, the workpieces W, W, etc. delivered to the conveyor 6 of each processing machine 1 to 5 in this way are placed at positions corresponding to the workpiece checker 9. When the work arrives, the limit switch 10 for confirming the arrival of the work (second conveyor stopping means) detects this and stops the conveyor 6 regardless of the operation of the limit switch 8 for discharging.

When the conveyor 6 stops, the workpiece W located at the position corresponding to the workpiece checker 9 is pushed into the workpiece checker 9 by the actuation of the button by the ON operation of the workpiece presence confirmation limit 1 to the switch 16. Processing dimensions, etc. are measured and inspected within the factory. In addition, when the conveyor 6 is stopped moving in this manner, the detected members 7, 7 . Any one of the detection limit switches 11 to 15 corresponds to the work W being inspected in the work checker 9.
is turned on, and as a result, the processing machines 1 to 5 that machined the workpiece W being inspected in the workpiece checking force -9 are determined, and the processing machines 1 to 5 are inspected by the machine checker 9. The data is fed back and used as correction data for the next workpiece machining.

After such inspection, the workpiece W is carried out from the workpiece checker 9 to the next process, and at the same time, the conveyor 6 moves again to transfer the next workpiece W to the position corresponding to the workpiece checker 9, and thereafter the operations described above are carried out. The same action is repeated.

Therefore, in this way, the placement position of the workpieces W, W, ... delivered from each processing machine 1 to 5 is designated on the conveyor 6, and based on the placement position, the workpiece being inspected by the workpiece checker 9 is A workpiece W is carried out by one roller 6 in order to operate one detection limit switch 11 to 15 corresponding to the workpiece W to determine Kisaragi 1 to 5 processed by the workpiece W.

Inspection of W, . . . can be performed by one work checker 9.

In the above embodiment, the work W placed on the conveyor 6,
The intervals between the sets S+, 82, . . . of the works W in each set S+, 82, .

-13- Although the length is set to be the same as the mounting interval Pa of W, .

Further, in the above embodiment, the detected member 7.7. ···of]
Each set S+ of work W, W, ... in the conveyor 76
, S2, .

Although it is attached to the position corresponding to ..., it may be changed to another position. In short, each cella 1 to SL, S2. . . . It is only necessary to attach it at a position corresponding to the bit P in between.

Further, in the above embodiment, Kisaragi 1 to 5, work placement positions T to V on the conveyor 6, and detection limits 1 to switch 1
Although the number of 1 to 15 (detection means) is five, it can be increased or decreased to six or more or four or less.

Further, in the above embodiment, the conveyor 6 is moved intermittently at a constant pitch P, but the processing machines 1 to 5 transmit a payout signal, and the first conveyor stop means detects this payout signal. The conveyor 6 may be stopped immediately after the detected member 7 is confirmed.

Needless to say, the present invention is applicable not only to the processing line for the engine power shafts 1 to 1 as in the above embodiment, but also to various other processing lines.

As explained above, in the present invention, when a plurality of workpieces having the same shape and which have been machined at the same location by a dedicated processing machine are carried out and covered by one carrying-out conveyor, each processing machine Specify the placement position of the work to be delivered on the conveyor, and when the work on the conveyor reaches the work jecker on the downstream side of the conveyor from each processing machine, a processing machine installed corresponding to the placement position of the work. By using the same number of detection means to determine the processing machine that processed the workpiece inspected by the workpiece checker, it is possible to accurately check the processing status of each of multiple processing machines with a single workpiece checker. 1 workpiece from each processing machine while checking
The book can be made available to the general public on a single-use paper, and therefore it is possible to improve processing productivity and reduce equipment costs in workpiece processing lines.

[Brief explanation of drawings]

The drawing is an overall plan view showing an embodiment of the present invention. 1-5...processing machine, 6...unloading conveyor, 7...
Detected member, 8...Limit switch for dispensing (first
9... Work checker, 1°... Limit 1-switch for confirming work arrival (second conveyor stopping means), 11-15... Limit switch for detection (detection means), W Workpiece, 81, 82°...
Set, ■~V...Work placement position. -16-

Claims (1)

[Claims] (1) A workpiece unloading device that unloads multiple workpieces of the same shape that have been machined at the same location using a dedicated machining machine 131 using a single unloading conveyor. The processing machine is arranged to sequentially place a plurality of aligned workpieces as one set, and the processing machine corresponds to each set of workpieces on the conveyor and to a predetermined different workpiece placement position within each set. Furthermore, a plurality of members to be detected are installed in series so as to correspond to the bits of each set of workpieces on the conveyor, and a plurality of members to be detected are provided at equal intervals on the conveyor, and the same workpieces in the plurality of sets on the conveyor are installed. A first conveyor stop-1 for stopping the conveyor by detecting any one of the plurality of detected members when one of the placing positions moves to the unloading position of the processing machine corresponding to the workpiece placement position fitting. A child stage, a work checker installed downstream of the conveyor from the installation position of the processing machine to inspect the processed workpiece, and a workpiece checker that stops moving the conveyor when the workpiece arrives at the position corresponding to the workpiece checker. A second conveyor stopping means is provided on the upstream side of the conveyor from the second conveyor stopping means, the number of which is the same as the workpiece placement interval in each set on the conveyor, and the number of the workpieces is the same as the workpiece placement interval in each set on the conveyor. The detection member can be detected, and by detecting the position of the detected member when the conveyor is stopped by the second conveyor stopping means, the processing machine that processed the workpiece at the position corresponding to the workpiece lifting force can be detected. A workpiece unloading device comprising a detection means for detecting the workpiece.