JPH0559754B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to, for example, a sewing machine that performs a plurality of steps on a cloth product at a plurality of stations to produce a finished product. The present invention relates to a sewing device having a support function that is incorporated into a part of the work.

[Prior art] When a person working on one machine takes a day off, or when the flow of products becomes slow due to a problem with that station, another person is assigned to that process, or another person is assigned to the same process. Place a machine nearby that can do this,
I tried to replace the process where the problem occurred.

[Problems to be Solved by the Invention] However, in the sewing machine configured as described above, when a person is replaced, it takes time for the person to be replaced to get used to the machine, and the flow of products becomes worse. There was also the problem that products could not flow smoothly even if machines that could perform the same process were installed nearby.

[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a sewing machine that manufactures a product by successively performing different steps at a plurality of stations. It is characterized in that one or more common machines are provided, and a part or all of the process at one station is performed continuously at a station other than the station.

[Operation] According to the present invention, when a process is interrupted at a certain station, or when a part of the work can be done smoothly at another station, part or all of the work process at that station can be performed before or after or before or after the station. By sharing the work with other stations, support can be provided without changing the flow of products.

[Embodiment] FIG. 1 is a plan view of a sewing device having a support function according to an embodiment of the present invention, in which a conveyance device 2 is installed in the center of one floor 1, and stations S1, S2, S3, .
...H machine is installed. In this embodiment, for example, A is a vertical feed sewing machine, B is an overlock sewing machine, C is a single needle lockstitch sewing machine, D is a cloth press machine (iron), E is a decorative stitch sewing machine, F is a buttonhole sewing machine, and G is a rake stitch sewing machine, and H is a button sewing machine. In FIG. 1, the station S1 has the above-mentioned sewing machine A, sewing machine B,
A sewing machine C and a fabric press D are provided, a station S2 is further provided with a sewing machine B, a sewing machine C, and a fabric press D, and stations S3 and S4 are provided with a sewing machine C, a fabric press D, and a sewing machine E, Station S5 is equipped with sewing machine B, sewing machine C, and cloth press machine D, and station S6 is equipped with sewing machine C, sewing machine C, and cloth press machine D.
A fabric press D and a sewing machine F are provided, and a station S7 is provided with a sewing machine C, a fabric press D, a sewing machine G, and a sewing machine H. Therefore, the stations S1...S7 each have a sewing machine or cloth press (iron) common to the adjacent stations.

FIG. 2 shows stations S1...S7 of the present invention.
2 is a perspective view of a vertical feed sewing machine A installed in
and a gear fixed to the shaft of the adjustment dial 6, and a thread tension pressure setting motor 7 provided at the bottom of the copper part of the sewing machine body 4.
A timing belt 9 is hung between the gear 8 and the gear 8. Also, a gear 11 provided on a pitch (lower feed) adjustment dial 10 on the front of the sewing machine body 4 and a gear 13 on a feed pitch setting motor 12 provided on the upper part of the sewing machine body 4.
Hang the timing belt 14 between them. Furthermore, a timing belt 19 is hung between a gear 16 provided on an upper feed amount adjusting dial 15 on the side of the sewing machine body and a gear 18 of an upper feed amount setting motor 17 at the rear of the sewing machine body 4.

FIG. 3 is a front view of the first station controller 3, in which a first display section 20 is provided on the front surface, and front and rear support switches 21 and 22 are provided on the lower left side of the first display section 20. Furthermore, the second display section 23 at the bottom of the first display section 20 is displayed by pressing the station number setting switch 24.
Display its station number. In addition, the process display lamp 25 at the bottom of the station controller 3 can be activated by setting the IC card 30.
The lamps corresponding to all processes are lit, and the lamps corresponding to the relevant process blink. When a process is completed, the lamp corresponding to that process goes out.

FIG. 4 is a block diagram of the station controller 3 according to an embodiment of the present invention, and the station controller 3 is provided with a CPU 26.
ROM27 and RAM28 are connected to CPU26,
Further, front and rear support switches 21 and 27, a station number setting switch 24, and a sewing machine start switch 29 are connected. In addition, 30 IC cards
A card reader 31 provided outside the station controller 3 is used to read the data of the station controller 3.
It is connected to CPU26. Further, the CPU 26 is connected to a sewing machine motor 3 via a motor drive circuit 32.
3 is connected to the feed/reverse solenoid 35 via the solenoid drive circuit 34, and further to the motor drive circuit 3.
A thread tension pressure setting motor 7, a feed pitch setting motor 12, and an upper feed amount setting motor 17 are connected through the thread tension setting motor 7, the feed pitch setting motor 12, and the upper feed amount setting motor 17, respectively.

FIG. 5 is a schematic block diagram of a sewing device having a support function according to an embodiment of the present invention. To simplify the explanation, sewing machine A, sewing machine A and sewing machine A, respectively, are connected to a station controller 3X via a terminal controller 39 to simplify the explanation.
B and C are connected respectively, and the front support switch 2
1. The rear support switch 22 and the station number setting switch 24 are connected, and the data on the IC card 30 is read. Also,
Sewing machines C, E, and fabric press D are connected to the station controller 3Y via their respective terminal controllers 39, as well as a front support switch 21, a rear support switch 22, and a station number setting switch 24, and an IC card 30 The data is configured to be read. Furthermore, in the station controller 3Z,
Sewing machines E, F, and G are connected through their respective terminal controllers 39, and the front support switch 21, rear support switch 22, and station number setting switch 24 are also connected, and the IC card 3
It is configured so that 0 data is read.

Next, the operation of this embodiment will be explained with reference to a flowchart in FIG. 6 and a process change diagram in FIG. First, the power is turned on, the IC card 30 is inserted into the card reader 31, and the data of this station and the previous and subsequent stations are read. Then, the first display section 20 of the station controller 3 shown in FIG.
Display the process, machine used, and number of sheets. next,
It is determined whether the process uses sewing machine A, and if the process uses sewing machine A, the thread tension pressure, feed pitch, and top feed amount of sewing machine A are set using thread tension setting motor 7, feed pitch setting motor 12, and top feed amount. Setting motor 1
Set by 7. Similarly, it is determined whether the process uses sewing machine B or C, and if it is used, each sewing machine is set according to the data on the IC card 30, and the process work at that station is performed. When all the processes for this station are completed, check whether the support switch has been pressed at the previous or next station, and if the rear support switch 22 has been pressed at the previous station, transfer the data from the previous station to the station controller. The process data of the previous station is displayed on the first display section 20 of No. 3, and each machine of this station is controlled by the process data of the previous station to perform the work of the process to be supported.

Here, if the 1st to 7th steps are performed at this station as shown in FIG. 7a, and the 1st to 8th steps are performed at the previous station as shown in FIG. 7b, , when the rear support switch 22 is pressed when the sixth step is completed at the front station, the station will start the seventh and eighth steps of the front station after completing the seventh step, as shown in FIG. 7C. After performing the steps and completing the eighth step, the first to seventh steps of the station are performed again.

In addition, as shown in Fig. 7d, if this station supports the first and second steps of the rear station, this station can perform the first to seventh steps.
After completing the official determination, the first and second steps of the rear station are performed continuously. After the second step of the rear station is completed, the first to seventh steps of the station are performed. Therefore,
The rear station performs the work after the third step, and after the first and second steps can be performed, support is released.

In addition, in this example, a part or all of the process at one station is performed successively at a station before or after the station, but the output parts of the front and rear support switches can be connected to each other via a discrimination device. The IC card is connected to the station controller input section of a station other than the station in question, and the information for determining which station is to be used for cheering when the cheering switch is pressed is recorded in advance on the IC card. A configuration may also be adopted in which a part or all of the steps at the station determined by the determination device are performed at a station other than the station determined by the determination device.

[Effects of the Invention] As described above, according to the present invention, it is composed of a plurality of stations S1 to S7, each of which performs a plurality of different processes to finish one product, and each station is equipped with a sewing machine and a fabric press machine. In a sewing apparatus having sewing-related equipment A to H such as the above, and having one or more sewing-related equipment of the same type in at least two or more stations, each of the stations performs the work of each process performed by a plurality of stations. A storage medium 30 that stores the content and control data of the machine used for the work, a station number setting switch 24 that can set a station number unique to each station as appropriate, and support switches 21 and 22 that can be operated as appropriate. and a determination means (CPU) that determines the station number of the station where the support switch is operated and the process to be supported, and also determines whether or not support is to be performed at the station; Reading data corresponding to the station number from the storage medium, and
When all the steps of the station are completed, a readout means 31 continues to read data of the support step of the station to be supported determined by the determination means from the storage medium, and a process to be executed based on the data read by the readout means is provided. Display means 2 for displaying process work details, equipment used, number of pieces sewn, etc.
0, and operating means 7, 12, 17, 35 for setting the conditions of the corresponding equipment based on the data read by the reading means, and the operation means 7, 12, 17, 35 for setting the conditions of the corresponding equipment based on the data read by the reading means, By making it possible for workers to take over and carry out the work at other stations, there are cases where one worker takes a break during work hours or is forced to interrupt work due to some kind of trouble, or when an unskilled worker is unable to improve work efficiency and the product is damaged. Even if there is a disruption in the flow of work, you can easily perform work within one station without having to place another person at that station, replace the worker with an experienced worker, or bring out a spare machine to assist. Part or all of the work process can be taken over and executed at another station, so the work at one station can be shared among multiple stations, so the work at a station where the flow of products is stagnant can be transferred to another station. It is possible to support the production line without changing the flow, which has the effect of smoothing the flow of the production line and improving production efficiency.

Furthermore, the display of the station displays the work details of the supported process, and the conditions of the machine to be used are automatically set, so even unskilled workers can easily mistake work at another station for work at the station. There are also advantages such as being able to perform the process accurately without any problems.

[Brief explanation of drawings]

Fig. 1 is a plan view of a sewing machine with a support function according to an embodiment of the present invention, Fig. 2 is a perspective view of the sewing machine used in Fig. 1, and Fig. 3 is a front view of the station controller shown in Fig. 1. Fig. 4 is a block diagram of the control circuit of the station controller shown in Fig. 3, Fig. 5 is a block diagram of the control circuit of the sewing machine with support function shown in Fig. 1, and Fig. 6 shows the operation of the control circuit of Fig. 5. The flowcharts shown in FIGS. 7a, b, c, and d are diagrams for explaining process changes by the support function. DESCRIPTION OF SYMBOLS 1... Floor, 2... Transport device, 3... Station controller, 20... First display section (display means), 23... Second display section, 21, 22...
...Support switch, 24...Station number setting switch, 30...IC card (storage medium), 3
1...Card reader (reading means), S1 to S
7... Station, A to H... Sewing machine, cloth press machine (sewing related equipment).

Claims (1)

[Claims] 1. A plurality of stations S1 to 1 for finishing one product by each performing a plurality of different process operations.
S7, each station is equipped with sewing-related equipment A to H such as a sewing machine and a fabric press machine, and each of the stations is equipped with one or more sewing-related equipment of the same type in at least two or more stations. , a storage medium 30 that stores the work contents of each process executed at a plurality of stations and control data of the machines used for the work, and a station number setting switch 24 that can appropriately set a station number unique to each station. , support switches 21 and 22 that can be operated as appropriate, and a determining means (CPU) that determines the station number of the station where the support switch is operated and the process to be supported, and determines whether or not to support at the station. The data corresponding to the station number set by the station number setting switch is always read from the storage medium, and when all the processes of the station are completed, the support process of the station to be supported determined by the determination means is read out. Reading means 3 for continuously reading data from the storage medium
1, a display means 20 that displays the work details of the process to be executed, the equipment used, the number of pieces to be sewn, etc. based on the data read out by the reading means; and a corresponding device based on the data read out by the reading means. A sewing device comprising actuating means 7, 12, 17, 35 for setting various conditions, and capable of taking over and executing a part or all of a process at one station at another station.