JPS63279875A - Button supply apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a button feeding device that feeds buttons one by one to a sewing machine, and particularly to a button feeding device that reliably feeds buttons that are continuously fed from a button hopper. This invention relates to an individual button feeding mechanism that sends buttons one by one to a button receiving section.

[Prior Art] Japanese Patent Publication No. 61-46159 discloses a button sewing device in which buttons sent out through a button hopper are surely fed one by one when the buttons are sewn by a sewing machine. An individual feed mechanism is disclosed.

This individual button feeding mechanism consists of a vertically sloping transfer path so that the buttons fed from above via the button hopper are aligned in a straight line from top to bottom toward the button receiving section below and slide down by their own weight; A first stopper whose base is supported on the machine frame so as to be swingable about a fixed straight line so that the free end enters the movement path of the button in the middle of the passage and then retreats; The first stopper is arranged opposite to the upper surface of the button next to the button in the button transfer direction of the button to be engaged with, and during the forward movement, the first stopper engages with the upper surface of the opposing button before the button is pulled out of the movement path of the button. After the free end of the stopper enters the button movement path, it has an elastic acting force in the response direction so that it separates upward from the top surface of the button, and -
The second part has its base supported on the machine frame so as to be able to swing around the identification straight line.
It consists of a stopper.

In the embodiment of the publication, the first stopper and the second stopper are driven by the same drive shaft via a cam, a link, etc., and the second stopper is arranged so as to move in conjunction with the swinging of the first stopper. , before the first stopper retreats, the second stopper
The drive timing of the first stopper and the second stopper, in which the stopper moves in and the second stopper retreats after the first stopper moves in, is determined by the elastic acting force of the second stopper.

[Problems to be solved by the invention] In the button individual feeding mechanism of the above-mentioned publication, the first stopper and the second
Since the drive timing with the stopper is determined by the elastic acting force of the second stopper, the timing varies depending on the position adjustment and precision of the parts, making it impossible to send the button at accurate timing. Furthermore, since the first stopper and the second stopper are driven by the same source, and each stopper is driven via a large number of parts such as cams and links, it is difficult to adjust the drive timing of each stopper.
There was also a problem in that the structure was extremely complex.

[Object of the Invention] The present invention has been made to solve the above-mentioned problems, and its purpose is to have a simple structure and to independently set the drive timings of the first and second stoppers. To provide a button feeding device equipped with an individual button feeding mechanism capable of driving each stopper at accurate timing.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides a transport guide which is disposed between a button hopper that continuously supplies buttons and a button receiving section, and allows the buttons to slide down by their own weight. a button guide body having an oblique transfer path formed therein; a first stopper whose one end is movable in the middle of the transfer path so as to be movable into and out of the transfer path; a first actuator that drives a stopper;
A second stopper is disposed in the middle of the transfer path on the button feeding side than the stopper, and one end thereof is movable into and out of the way, and the second stopper locks an adjacent button in the button transfer direction of the button that is locked by the first stopper when the button is moved in. It is configured to include a stopper, a second actuator that drives the second stopper, and a control means that drives and controls the first actuator and the second actuator.

[Function] In the button feeding device of the present invention having the above configuration, the control means drives and controls the first actuator and the second actuator, so that the second stopper enters the button transfer passage before the first stopper retreats, and the second stopper enters the button feeding passage. After the first stopper moves in, the second stopper moves back and transfers the buttons one by one.

[Example] An example of the present invention will be described below with reference to FIGS. 1 to 5.

First, the outline of the button feeding device of this embodiment will be explained with reference to FIG.
A pair of button holding members 5 are supported via a support arm 6 so as to be rotatable up and down for holding the buttons above the work cloth at a position corresponding to the vertical movement path of the needle □4. A button hopper 7 is disposed on the table 1 in the vicinity of the sewing machine 2, and buttons B housed therein are continuously fed out with the front side facing up.

Table 1 is placed between sewing machine 2 and button hopper 7.
A button guide body 8 is disposed above the button guide body 8, and an oblique button transfer passage 9 is formed above the button guide body 8 for guiding the button B so that it can slide down by its own weight.

A shooter member 10 is provided between the button hopper 7 and the button guide 8, and the button B sent out from the button hopper 7 is sent into the button transfer passage 9 of the button guide 8 via the shooter member 10. , is temporarily stopped midway through the transfer path 9 by the button individual feeding mechanism 15, which will be described later, and then is intermittently fed one by one starting from the most recent button until it reaches the button special section 29 at the end of the transfer path 9, and then It is designed to stand by in a stationary state at the station.

A button position correction member 1 is provided above the button special function section 29.
1 is arranged to be vertically movable and rotatable, and this correction member 11
is pressed into contact with the button B of the button special section 29 and rotated, so that the button B is rotated in a corrective manner. A button carrying body 12, which is a button receiving part, is rotatably disposed below the correction member 11, and as shown in FIG. A fitting portion 14 consisting of two pins is provided protrudingly. Then, the button B is delivered onto the support part 13 with the button carrying body 12 correspondingly arranged below the button special part 2.9, and the hole of the button B is fitted by the action of the correction member 11. After the button B is positioned by being fitted into the hem 14, the button delivery body 12 is rotated to a position corresponding to the button holding member 5 of the sewing machine 2, and the button B is delivered onto the holding member 5. It looks like this.

Next, the button individual feeding mechanism 15 of the button feeding device of this embodiment will be described in detail with reference to FIGS. 1 to 4.

FIG. 1 is a sectional view of the button individual feeding mechanism 15, and the third
The figure is a partial sectional view taken along the line ■-■ in FIG. 1.

Approximately half of the lower case 16 is fitted onto the table 1, and a support plate 17 is horizontally disposed on the upper surface of the lower case 16. On the support plate 17, a generally triangular front surface forming the button guide 8 is disposed. A pair of button guide members 24 and 25 are arranged so as to be movable toward and away from each other.

The button transfer passage 9 is formed with stepped recesses 26 and 27 on the upper surfaces of both button guide members 24 and 25 facing each other, and has a width corresponding to the diameter of the button B. It extends obliquely downward from the button introducing section 28 at the right end to which the buttons are connected to the button special section 29 at the left end. A transparent cover 30 in which a long hole 31 extending along the button transfer passage 9 is formed is attached to the upper surface of the button guide member 24, 25, and covers the upper part of the button transfer passage 9 so as to be transparent.

A mounting plate 32 is fixed to the side surface of the button guide member 25, and this mounting plate 32 has two elongated holes 34, 35 on the side surface.
A mounting member 33, which is formed parallel to each other, is fixed. A second solenoid 38, which is a second actuator, is attached to the attachment member 33 by screws 36.37 so as to be movable along two elongated holes 34.35. An arm portion 41 has one end fixed to the drive portion 39 of the second solenoid 38 with a screw 40, and an insertion hole 42 is provided at the other end of the arm portion 41.
is formed. The second stopper 43 has an upper end inserted into the insertion hole 42 and a lower end inserted into the elongated hole 3 of the transparent cover 30.
1, the spring extends in the direction in which the lower end always enters the button transfer passage 9.

44. and second solenoid 3
When the second solenoid 8 is not energized, the lower end of the second stopper 43 enters the button transfer passage 9, and when the second solenoid 38 is energized, the drive section 39 moves upward, so that the arm section 4
1 engages with the upper end of the second stopper 43 and the second stopper 4
3 is retreated from the button transfer passage 9.

A vertical plate 46 having a protruding plate 47 formed on the right side of the button guide member 24.25 extends the protruding plate 47 from the guide member 24.25.
L? It is inserted and arranged in the gap of 5. A first stopper 45 having a cam surface 45a formed at its lower end is swingably supported on the right side of the protruding plate 47 by a pin 48, and the left end of the first stopper 45 moves inside the button transfer passage 9 by swinging. The lower end of the second stopper 43 enters and retreats closer to the special equipment section 29 than the part into which it enters. A spring 49 is attached between the intermediate portion of the first stopper 45 and the protruding plate 47, and biases the left end of the first stopper 45 in a direction to retreat from the button transfer passage 9.

The support plate 17 has a guide groove 50 extending in the longitudinal direction on its upper surface, a long hole 53 in the middle thereof, and an opening 52 on the left end side.
is formed, and a shirt shirt plate 5 is formed in the guide groove 50.
1 is slidably arranged to close and open the opening 52. A driving member 54 having a convex shape on the front is fitted in the approximate center of the shirt flap plate 51, and a button guide member 24, 25 is provided at the lower part of the driving member 54 protruding from a pin 55 which abuts on the cam surface 45a of the first stopper 45. It is located in the gap, and its lower part passes through the elongated hole 53 and is located in the lower case 16.

A first solenoid 18, which is a first actuator, is arranged inside the lower case 16 with its driving part 19 facing leftward, and the driving part 19 has its lower end attached to the bottom of the lower case 16 so as to be swingable by a pin 21. Supported drive lever 20
is connected by a pin 22 to the intermediate portion of the . The drive lever 20 has its upper end connected to the lower part of the drive member 54 by a pin 56, and its middle part is urged counterclockwise by a spring 57 extending from the left side of the lower case 16.

When the first solenoid 18 is not energized, the drive lever 20 is tilted to the left as shown by the solid line in FIG. The left end of the first stopper 45 is retracted from the inside of the button transfer passage 9. When the eleventh solenoid 18 is energized, as shown by the dashed line in FIG.
The drive unit 19 moves to the right against the biasing force of the spring 57,
The drive lever 20 is tilted to the right, the drive member 54 is located on the right side of the elongated hole 53, the shirt shirt plate 51 opens the top surface of the opening 52, and the drive pin 55 is attached to the cam surface 45a of the first stopper 45.
is pushed up against the biasing force of the spring 49, and the first stopper 45
The left end enters the button transfer passage 9.

Next, as shown in FIG. 4, a start 5W 59 for supplying a start signal and a stop detector 60 for supplying a sewing machine stop signal are installed on the input side of the control means 58 housed in a control box (not shown). A start solenoid 61 for starting the sewing machine, the first solenoid 18, and the second solenoid 38 are connected to the output side. Each solenoid 61, 18, 38 is then driven by a drive signal supplied by this control means 58.

Furthermore, by changing the program within the control means 58, the drive timing of each solenoid 61, 18, 38 can be adjusted.

The operation of this embodiment will be explained below with reference to FIGS. 4 and 5.

In the state 81 in FIG. 5, the first stopper 45 is retracted, the second stopper 43 engages with the upper surface of the button B1, and the button B is arranged in the button special section 29 and the button holding section 5 of the sewing machine 2, respectively. ing. When the start 5W 59 is operated in this state and a start signal is supplied to the control means 58, the control means 58 drives the start solenoid 61, and the sewing machine 2 sews the button B of the button holder 5.

When sewing is completed, the sewing machine 2 stops, and a stop signal is supplied from the stop detector 60 to the control means 58.

The control means 58 first drives the first solenoid 18 based on the stop signal, and each stopper 43, 45 enters the state S2. At this time, the shirt shirt plate 51 slides to open the opening 52, and the button B of the special part 29 is transported to the button holding part 5 by the carrying body 12. The first stopper 45 has entered, and the second stopper 43 is engaged with the upper surface of the button B1.

The control means 58 then actuates the second solenoid 38 and each stop 43, 45 enters the state S3.

In this state, the first stopper 45 is engaged with the side surface of the button B1, and the second stopper 43 is retracted.

The control means 58 then stops driving the second solenoid 38, and each stopper 43, 45 enters the state B4. In this state, the first stopper 45 is engaged with the side surface of the button B1, and the second stopper 43 is engaged with the upper surface of the button B2 at the rear of the button B1 in the button transport direction.

The control means 58 then stops driving the first solenoid 18, and each stop 43, 45 enters the state B5. At this time, the shirt shirt plate 51 slides and the opening 52 is closed, and the first
Since the stopper 45 retreats, the button B1 slides down the button transfer path 9 due to its own weight and is placed in the button special section 29.

By repeating the above steps (Sl) to (B5), buttons B are fed one by one in conjunction with the sewing cycle of the sewing machine 2.

As described above, according to this embodiment, the attachment is performed using the elongated hole 3 in the member 33.
4 and 35, and the elongated hole 31 is provided in the transparent cover 30, the mounting position of the second solenoid 38 can be adjusted in accordance with the diameter of the button B to be transferred, and the second stopper 4
Since the entry position of the button B into the button transfer path 9 can be adjusted in the button transfer direction, buttons B of various diameters can be supplied.

The present invention is not limited to the embodiments detailed above, and various changes can be made without departing from the spirit thereof. For example, in this embodiment, the first stopper 45
The structure is such that the second stopper 45, 43 makes an oscillating motion, and the second stopper 43 makes a linear motion. However, if each stopper 45, 43 is driven by a separate drive source, it is difficult to know what kind of motion the stopper 45, 43 makes. It doesn't matter if it's something.

[Effects of the Invention] As explained above, according to the present invention, the first actuator that drives the first stopper, the second actuator that drives the second stopper, and the control means that drives and controls the first and second actuators. By providing a button, the structure is simple, the drive timing of the first and second stoppers can be set independently, and the first and second stoppers can be driven with accurate timing. A button feeding device equipped with a feeding mechanism has been realized, and the effects on the industry are extremely large.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing an individual button feeding mechanism of a button feeding device according to an embodiment of the present invention, FIG. 2 is a perspective view showing an overview of the button feeding device according to an embodiment, and FIG. 3 is a - FIG. 4 is a block diagram showing the electrical configuration of the embodiment, and FIG. 5 is a drawing showing the operation of the button individual feeding mechanism of the button feeding device of the embodiment. 7 is a button hopper, 8 is a button guide body, 9 is a button transfer passage, 12 is a button transport body, 18 is a first solenoid,
38 is a second solenoid, 43 is a second stopper, 45 is a first stopper, and 58 is a control means.

Claims (1)

[Claims] 1. A diagonal transfer path (disposed between a button hopper (7) that continuously supplies buttons and a button receiving section (12), which guides the buttons in a sliding manner by their own weight); 9)
a button guide body (8) formed with a button guide body (8); and a first button guide body (8) whose one end is arranged in the middle of the transfer path (9) so as to be movable in advance and backward movement, and whose one end locks the button when the body enters the conveyance path (9).
a stopper (45), a first actuator (18) that drives the first stopper (45), and one end of which enters into the middle of the transfer path (9) on the button feeding side of the first stopper (45). , the first stopper (45) is arranged so as to be movable backward, and the first stopper (45) is arranged so as to be movable backward.
a second stopper (43) that locks the button adjacent in the button transfer direction of the button that is locked; a second actuator (38) that drives the second stopper (43); and the first actuator (18). and drives and controls the second actuator (38), and controls the first stopper (45).
) is moved backward, the second stopper (43) is moved in, and after the first stopper (45) is moved in, the second stopper (
43) and a control means (58) for retracting the button feeding device.