JPS6345254Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a button feeding device for a button sewing machine.

A device has been developed that is configured to sequentially feed buttons held in a button storage device to predetermined positions on the sewing machine body as a button feeding device for a button sewing machine used exclusively for button sewing in sewing factories, etc. However, if it becomes necessary to use a button with a different color or pattern from the button in the button storage during mass production, the conventional feeding device cannot use the button feeding function of the storage. Stop the feeding of buttons to the button path of the feeding device, remove all the buttons already loaded in the path, and then manually feed the required number of buttons of different colors. It didn't happen. This made the work complicated and caused a large amount of time loss.

The present invention has been developed in view of the above circumstances, and an object of the present invention is to provide a button feeding device for an industrial button sewing machine that allows easy button switching operations when using buttons of different colors.

That is, the button supply device according to the present invention has the following features:
A button storage device that stores buttons and sequentially sends out the stored buttons, a transfer device that transfers the buttons to a predetermined position of a button sewing machine, and a button passage that connects the button storage device and the transfer device, the button passage A button slot is provided in the intermediate portion of the button passage, through which a button of a different type than the buttons sent out from the button storage can be supplied into the button passage.

The embodiments shown in the drawings will be described below.

FIG. 1 is an external view showing an example of a button sewing machine equipped with a button feeding device according to the present invention;
Fig. 2 is a plan view of the button feeding device, Fig. 3 is a side view thereof, Fig. 4 is a sectional view of the main part, and Fig. 5 is a sectional view of the main part.
The figure is an external view of the button storage device. This button sewing machine device 1 includes a sewing machine main body 3 and a button supply device 4 provided on a base plate 2, and the button supply device 4 includes a button supply device main body 6 and a button storage device 5. This sewing machine main body 3 is a dedicated button sewing machine, and is used to sew buttons supplied from a button supply device 4 to a button gripping claw 7 onto a workpiece such as a suit jacket by a predetermined operation of a needle 8 or the like.
The worker moves the workpiece through a pair of upper and lower guide plates 10 and 1.
0' and set it at the predetermined position indicated by the positioning lights 11, 11.
The guide plates 10, 10' continuously perform a series of movements in which they grip the workpiece, move to the button sewing position, and return to the original position after sewing is completed. Note that the guide plates 10, 10' are not necessarily necessary, and the workpiece may be manually set at the button sewing position.

The button storage device 5 is constructed similarly to a vibrating parts feeder, etc., and consists of a dish-shaped storage section 13 for storing buttons, and a guide section 14 having a spiral guide path provided therein. The button in the storage section 13 is gradually carried to the upper part of the guide section 14 through the guide path by the vibrations from the vibration generator 5a. A flexible flat pipe 15 is attached to the upper part of the guide part 14, and buttons are supplied to the button supply device main body 6 through this pipe 15. 16
is a diaphragm which serves to promote movement of the button within the pipe 15 by transmitting vibrations from the guide section 14.

The button feeding device main body 6 is a device that feeds the buttons sent from the button storage device 5 to the button gripping claws 7 of the sewing machine main body 3, and a chute 20 serving as a button passage is provided inclined on the front side thereof. The upper side of this chute 20 is connected to the pipe 15.
A transfer device 22 for transferring the button to the button gripping claw 7 is provided on the lower side. Further, in the middle of the chute 20, a sequential feed device 23 is provided for feeding the buttons in the chute 20 one by one to the transfer device 22 at predetermined intervals.

A guide plate 25 is erected on the upper part of the chute 20, and a base 2 is fixed to the end of the pipe 15.
6 is attached to this guide plate 25 so as to be slidable in the direction of arrow X. An opening 25a communicating with the inside of the chute 20 is provided in a portion of the guide plate 25 located directly above the chute 20. Base 2
6 can be fixed at any position on the guide plate 25 by a set bolt 27, and when it is fixed at the position shown by the chain line in FIG. 2, the pipe 15 and the chute 20 are communicated through the opening 25a. , when it is fixed at the position shown by the solid line in FIG. 2, the continuity between the pipe 15 and the chute 20 is interrupted. A cylindrical body 30 having a through hole 29 inside thereof is provided at a position slightly below the guide plate 25 to protrude upward. The upper end of the through hole 29 becomes the button slot 31, and the lower end of the through hole 29 becomes the chute 2.
It leads to 0. The button inserted through the button insertion port 31 is designed to fall smoothly into the chute 20. The upper surface of the lower portion of the chute 20 below the position where the cylindrical body 30 protrudes is covered with a cover 33 made of a transparent material. A gap portion 34 is provided in a portion of this cover 33. The progressive feeding device 23 rotates the shaft 37 repeatedly by a rotating device (not shown).
A stop pawl 36 integral with the oscillates in the direction of arrow Y,
The tips 36a of the stop pawls 36 are inserted into the chute 20 at predetermined intervals, and function to feed the buttons downward one by one while preventing them from freely falling within the chute. In addition, with the button thickness adjustment bolt,
The vertical distance between the chute 20 can be adjusted depending on the button thickness.

The transfer device 22 includes a shaft 40 provided at the terminal end of the chute 20, and a vertical shaft 41 provided protruding toward the front side of the shaft 40. The shaft 40 is moved in a predetermined position by a vertical movement device (not shown) while making small vibrational rotations in the direction of arrow Z by driving a belt 43 by a power device housed in the case 6a of the main body of the device. It moves up and down with a period of . On the other hand, the shaft 41 is integrally provided with an arm 45 at its upper end.
A rod 46 that reciprocates in the direction of arrow P is connected to the tip of the rod 46 by a power device inside the case 6a. Further, at the lower end of the shaft 41, a button supply arm 47 whose tip reaches the terminal end of the chute 20 and the position of the button gripping claw 7 of the sewing machine main body 3 is provided.
is attached, and rotates in the direction of arrow Q within a horizontal plane by the rotation of the shaft 41 due to the reciprocating movement of the rod 46. On the upper surface of the tip of the button supply arm 47, there are holes arranged in the same manner as the holes of the button in use.
A carrier needle 49 is implanted. Note that the shaft 40
moves up and down in synchronization with the rotation of the button supply arm 47.

When this button sewing machine device 1 is used for mass production to button the cuffs of suit jackets, the base 26 of the button supply device 4 is moved to the back side of the guide plate 25, that is, to the position where the opening 25a is. , power on the power unit, vibration generator 5a, etc. The mass-produced buttons B placed in the button storage 5 are passed through the pipe 15 to the chute 2.
0 and slides down inside the chute 20. The buttons that have slipped down are once received by the stop pawl 36 of the progressive feed device 23, and each time the stop pawl 36 is intermittently rotated upward, one button falls downward. At this time, the tip end 47a of the button supply arm 47 of the transfer device 22 is at the end of the chute 20, and the shaft 40 is at the upper position. The button B that has fallen down the chute 20 is placed on the carrier needle 49 of the button supply arm 47. The shaft 40 starts to make the above-mentioned small rotation and descends to press down on button B.
The needle 49 fits into the buttonhole. In this way, the button B is fixed to the tip of the button supply arm 47. When the rod 46 is retracted, the button supply arm 47 rotates counterclockwise in FIG. 2, and the button is carried below the button gripping claw 7 of the sewing machine body 3. At this time, since the needle 49 is inserted into the button hole, the button does not fall during transportation, and the button is held in a predetermined position and orientation. The button gripping claw 7 moves up and down and opens and closes to extract and hold the button at the tip end portion 47a of the button supply arm from the needle 49. The button supply arm 47 returns to the end of the chute 20. Then, the needle 8 of the sewing machine body 3 moves up and down to attach the button. When the button holding claw 7 runs out of buttons, the sequential feed device 23 and the transfer device 22
performs the above operation again. Above sewing machine body 3
The button attachment operation of the button supply device 4 and the button supply operation of each part of the button supply device 4 are synchronized, and by turning on a button attachment start switch such as a pedal switch, button attachment and the supply of the next button are automatically performed without waste. It is configured so that

Next, if it becomes necessary to suddenly add buttons of different colors or other types during mass production, the device is temporarily stopped and the cap 26 is moved to the front side of the guide plate 25 (the solid line in Fig. 2 state), the feed of the button from the pipe 15 to the chute 20 is cut off. Then, a necessary button is inserted through the button insertion slot 31. In addition, the feeder button 50
When is pressed, only the button supply device 6 is operated, and buttons for mass production in the chute 20 can be quickly extracted from the lower end. At this time, since the upper surface of the chute 20 is transparent, the buttons can be clearly identified. After inserting the required number of different types of buttons from the button input port 31 and finishing button attachment using these different types of buttons, simply move the cap 26 to its original position on the back side, and the processing system for mass production is immediately shifted to. can. In this way, since the button input port 31 is provided in the middle of the button passage, loading different types of buttons is easy, and the number of buttons to be removed for mass production can be reduced, reducing the time required. It is possible to switch to

As is clear from the above description, the button feeding device for a button sewing machine according to the present invention can
This has become extremely convenient when inserting a button attachment job for a small amount of different types of buttons.

[Brief explanation of drawings]

FIG. 1 is an external view showing an example of a button sewing machine equipped with a button feeding device according to the present invention;
FIG. 2 is a plan view of the button feeding device, FIG. 3 is a side view thereof, FIG. 4 is a sectional view of the main part thereof, and FIG. 5 is an external view of the reservoir. DESCRIPTION OF SYMBOLS 1...Button sewing machine device, 3...Sewing machine main body, 4...Button supply device, 5...Button storage device, 15...Pipe, 20...Chute, 22...
... Transfer device, 23 ... Progressive feed device, 25 ... Guide plate, 26 ... Cap, 30 ... Cylindrical body, 31 ... Button slot, 34 ... Gap section, 36 ... Stop claw, 40, 41 ... ...shaft, 47...button supply arm, 49...carrier needle, 50...feeder button.

Claims (1)

[Scope of utility model registration request] A button storage device that stores buttons and sequentially sends out the stored buttons; a transfer device that transports the buttons to a predetermined position for a button sewing machine;
and a button passage connecting the button storage device and the transfer device, and a button input port provided in an intermediate portion of the button passage for supplying a button of a different type from the button sent out from the button storage device into the button passage. A button supply device characterized by being provided with.