JPH0123436Y2 - - Google Patents

Description

[Detailed Description of the Invention] Purpose of the Invention (Field of Industrial Application) This invention relates to a button feeding device that feeds buttons one by one to a button sewing machine.

(Prior Art) A conventional device of this type includes a button feeder that accommodates a large number of buttons and continuously feeds the buttons by applying vibration, and a button feeder that transports and guides the buttons fed from the button feeder. A diagonal button transfer path, an individual button feed mechanism disposed in the middle of the button transfer path, which temporarily stops continuously transferred buttons and feeds the buttons one by one starting from the frontmost button, and the button individual feed mechanism. and a button delivery body that transports the buttons sent out from the sewing machine to the button sewing machine.

(Problems to be Solved by the Invention) However, according to the above-described conventional configuration, the buttons are charged with static electricity due to vibrations in the button feeder, and the buttons on the button transfer path are attracted to the path surface by this static electricity. , there was a problem in that it interfered with the ability to move the buttons individually.

Structure of the invention (means for solving the problem) This invention was made to solve the above problem, and the solution is to provide an air outlet 71 on the passage surface of the button transfer passage 9. The button B is configured to apply a buoyancy force to the button B sliding down the button transfer passage 9 by the air pressure blown out from the air outlet 71.

(Function) Therefore, in the button feeding device of this invention, air imparts a buoyancy force to the button B, which prevents the button B from adhering to the surface of the transfer passage due to static electricity. It is possible to reliably send one in every two.

(Example) Hereinafter, an example of this invention will be described in detail with reference to the drawings.

First, the outline of the button supply device of this embodiment will be explained according to FIG. At the top, a pair of button holding members 5 for holding in positions corresponding to the vertical movement path of the needle 4 are supported via a support arm 6 so as to be rotatable up and down. Said sewing machine 2
A button feeder 7 is disposed on the table 1 in the vicinity of the button feeder 7, and by applying vibration to a large number of buttons B housed inside, each button B is continuously fed out with the front facing up. It's starting to become easier.
A button guide 8 is disposed on the table 1 between the sewing machine 2 and the button feeder 7, and an oblique button transfer passage 9 is provided above the button guide for guiding the button B so that it can slide down by its own weight. It is formed.

A shutter member 10 is provided between the button supply device 7 and the button guide body 8, and a shutter member 10 is provided between the button supply device 7 and the button guide body 8.
The button B sent from
After being temporarily stopped by the button individual feeding mechanism 15 (described later) in the middle of the transfer path 9, the buttons are intermittently fed one by one starting from the front one and reach the button waiting section at the end of the transfer path 9. It is designed to stand by in a stationary state in the same department.

A button position correction member 11 is disposed above the button standby part so as to be movable up and down and rotatable, and this correction member 11 is pressed against the button B of the button standby part to correct and rotate the button B. ing.
A button carrying body 12 is rotatably disposed below the correction member 11, and as shown in FIG. A fitting portion 14 is provided in a protruding manner. Then, in a state where this button carrying body 12 is arranged correspondingly below the button standby part, its support part 13 is
After the button B is delivered to the top and the hole h of the button B is inserted into the fitting part 14 by the action of the correction member 11 and the button B is positioned, the button carrying body 12 is moved to the button holding member 5 of the sewing machine 2. The button B is rotated to a corresponding position and the button B is delivered onto the holding member 5.

Therefore, the button guide body 8 and the button individual feeding mechanism 15 will be explained in detail.
As shown in the figure, a support plate 21 is placed on the table 1.
is arranged horizontally via the mounting frame 22 and the mounting plate 23, and a guide groove 21a extending in the longitudinal direction is formed on the upper surface thereof. The button guide body 8 is composed of a pair of symmetrical button guide members 24A, 24B that are approximately triangular in front view, and these guide members 24A, 24B are movable on the support plate 21 in directions toward and away from each other. It is supported by the holding plate 25 on the mounting plate 23 and held by the holding plate 25 .

As shown in FIGS. 1, 3, and 6, the button transfer passage 9 is formed to have a width corresponding to the diameter of the button B by matching the stepped recesses 20 on the upper surfaces of the button guide members 24A and 24B to each other. , extends diagonally downward from the button introduction part 26 at the right end toward the button lead-out part 27 as a button waiting part at the left end. A transparent cover 28 is attached to the upper surface of the button guide members 24A, 24B, and covers the upper part of the button transfer passage 9 so as to be transparent.

As shown in FIGS. 1, 3, and 4, the button guide member 24A at the front is penetrated to the button guide member 24A at the rear.
An adjustment member 29 is screwed onto B, and this adjustment member 29
By rotating the button guide member 2,
Button transfer path 9 by changing the interval between 4A and 24B
The width can be adjusted. Adjustment member 2
9, both button guide members 24A, 2
A spring 30 is interposed between the button guide members 24A and 24B, and when the adjustment member 29 is rotated in the loosening direction, the spring 30 moves the button guide members 24A and 24B apart. There is.

As shown in FIGS. 1, 3 to 6, two first button position regulating members 31 are formed at the left ends of the button guide members 24A, 24B, and engage with the button B of the button standby section 27 from the right side outside. I'm starting to do that. Corresponding to both first button position regulating members 31, two second button position regulating members 32 each have a pair of elongated holes 3 between the tip portions of the button guide members 24A, 24B.
The button B of the button standby section 27 is supported by a stepped screw 34 screwed together through the button B
It is designed to be engaged from the outside on the left side. Then, the button B of the button standby section 27 is surrounded from the circumferential side by these four button position regulating members 31 and 32, and the center of the button B is surrounded by the button position correcting member 11.
The button dispensing body 12 is positioned so as to coincide with the rotation axis of the button discharging body 12 and the center of the support portion 13 of the button discharging body 12.

As shown in FIGS. 3 and 4, a first
and second guide grooves 35, 36 are formed and extend obliquely outward to the right side centering on the corresponding surfaces of both guide members 24A, 24B. An engagement pin 37 is provided protrudingly on the support plate 21 so as to engage with the first guide groove 35, and both guide members 24A, 24B are inserted from below the support plate 21 via the second guide groove 36. A stepped screw 38 is screwed into the button guide members 24A, 24B, and as the adjustment member 29 adjusts the distance between the button guide members 24A, 24B, the first button position regulating member 31 integrally moves the button The button B of the standby section 27 is moved in the same direction toward or away from the center of the button B by the same amount of movement.

Further, a third guide groove 39 is formed on the support plate 21 corresponding to the second button position regulating member 32, and extends obliquely outward to the left with the corresponding surfaces of both guide members 24A and 24B as the center. It is extending. The second button position regulating member 3 is configured to engage with the third guide groove 39.
An engagement pin 40 is protruded from the lower surface of the second button position regulating member 32 as the adjustment member 29 adjusts the distance between the button guide members 24A and 24B.
The first button position regulating member 31 moves toward or away from the center of the button B of the button standby section 27.
It is designed to be moved by the same amount of movement as .

In the guide groove 21a of the support plate 21 at the lower part of the button guide members 24A, 24B, a shutter plate 41 having a substantially rectangular plane shape is supported so as to be movable from side to side, and a protruding piece 41a is formed at the rear part of the shutter plate 41.
As shown in FIGS. 1, 3 to 5, this shutter plate 41 is in the left closed position where the lower part of the button waiting part 27 is closed, and in the right position where the lower part of the button waiting part 27 is opened as shown in FIG. In the closed position, the button B of the button waiting section 27 is held stationary in a horizontal state from below and on standby, and in the open position, the button B is received on the support section 13 of the button carrying body 12. I'm starting to give it to you.

As shown in FIGS. 3 and 5, a solenoid 4 is mounted on the mounting frame 22 at the rear right end of the shutter plate 41.
2 is supported, and an armature 43 is provided protruding from the front surface thereof. In front of the solenoid 43, on the mounting frame 22, a rotation lever 44 is rotatably supported at the center by a stepped screw 45, and an armature 43 is connected to one end of the lever 44 through a long hole 44a and a pin 46. At the same time, a shutter plate 41 is connected to the other end via a long hole 44b and a pin 47.

A spring 49 is hung between the other end of the rotating lever 44 and a spring hook 48 on the support plate 21,
The rotary lever 44 is biased to rotate clockwise in FIG. 5, so that the shutter plate 41 is always held in the closed position shown by the solid line in the figure. Then, by energizing the solenoid 42, the armature 4
3 is retracted, the rotating lever 44
is rotated counterclockwise against the action of the spring 49, and the shutter plate 41 is moved to the open position as shown by the chain line in FIG.

As shown in FIGS. 1, 3, 5, and 6, a rotation shaft 51 is supported approximately at the center of the rear button guide member 24B so as to be rotatable back and forth around a vertical axis.
The rotation shaft 51 faces into the button transfer passage 9.
A cylindrical first locking member 52 is located near the upper end of the
are fitted and fixed so as to be integrally rotatable, and the outer peripheral surface thereof has a cutout surface 5 that can match the rear side surface of the button transfer passage 9.
2a is formed. As the rotation shaft 51 rotates, the first locking member 52 has a cutout surface 52a arranged obliquely with respect to the rear surface of the button transfer passage 9, as shown in FIG. As shown in FIG. It is placed in line with the rear surface,
A part of its outer periphery is retracted outside the button transfer path 9 and is placed in a non-latching position where the button B is allowed to slide down.

As shown in FIGS. 3 and 5, a rotating arm 53 is fixed to the lower end of the rotating shaft 51, and a pin 53a that can be engaged with the protruding piece 41a of the shutter plate 41 projects from the lower surface of the rotating arm 53. There is. A spring 56 is hung between the spring hooks 54 and 55 provided on the rotating arm 53 and the support plate 21, and is applied with a weaker spring force than the spring 49 for biasing the rotating lever 44 to rotate. The rotating arm 53 is urged to rotate clockwise in FIG. 5.

Then, as shown by the solid line in FIG.
When the arm is moved to the closed position based on the action of The first locking member 52 is placed in the non-locking position, and as the solenoid 42 is energized, the shutter plate 41 moves to the open position against the action of the spring 49, as shown by the chain line in FIG. When the protruding piece 41a is detached from the pin 53a, the rotating arm 53 is rotated clockwise by the action of the spring 56, and the first locking member 52 is rotated to the locking position. It is becoming more and more common.

As shown in FIGS. 1, 3, and 6, the front button guide member 24 is located near the first locking member 52.
On the front side of A, an interlocking driven body 61 is connected to the first locking member 5 by a stepped screw 62 at the lower end on the left side.
It is rotatably supported around a horizontal axis that is separate from 2, and is normally biased to rotate clockwise in FIG. 3 by its own weight or by a weak spring force. A second locking member 63 made of a wire rod is attached to the rear surface of the linked driven body 61 with a bolt 64 so that its position can be adjusted along the elongated hole 61a. A locking portion 63 that appears and retracts within the button transfer passage 9
A is bent.

As shown in FIGS. 1 and 3, this second locking member 63 is usually located in the button transfer passage 9 between the foremost button B and the next button B at the locking portion 63a. Enter and press next button B
When the linked follower body 61 is rotated in the counterclockwise direction in FIG. 3 against the rotation biasing force, as shown by the chain line in FIG. As shown in FIG. 6, the locking portion 63a is retracted to the outside of the button transfer path 9 and is placed in a non-locking position that allows the next button B to slide down.

A cylindrical body 65 is fitted and fixed to the upper end of the rotating shaft 51 above the first locking member 52, and a rod-shaped linkage body 66 is provided on the outer periphery of the cylindrical body 65 to protrude forward. Further, an engagement recess 61 is provided at the upper end edge of the linkage driven body 61 so as to engage with the linkage operating body 66.
b is formed. When the first locking member 52 is rotated from the non-locking position shown in FIG. 1 to the locking position shown in FIG.
6 is loosely moved within the engagement recess 61b of the linked follower body 61 and then engages with the side edge of the recess 61b to transmit rotational force, and the first locking member 52 is placed in the locking position. After a predetermined period of time, the second locking member 63 is moved from the locking position shown in FIG. 1 to the non-locking position shown in FIG.
2 is rotated from the locking position shown in FIG. 6 to the non-locking position shown in FIG. The second locking member 6 before reaching the unlocked position
3 is arranged in the locking position shown in FIG. Therefore, the button individual feeding mechanism 15 of this embodiment is composed of the first locking member 52, the linked follower 61, the second locking member 63, the linking conductor 66, and the like.

On the other hand, as shown in FIG. 7, an air supply pipe 68 extending vertically is provided at one end of both the button guide members 24A, 24B, and is connected to a blower (not shown) via a pressure regulating valve 69. has been done. Further, as shown in FIGS. 1, 6, 7, and 8, grooves 70 extending along the button transfer passage 9 are carved in the bottom surfaces of the stepped recesses 20 of both button guide members 24A and 24B, and each groove 70 A plurality of air outlets 71 are arranged in a row on the groove surface. A plurality of air passages 72 are formed in both button guide members 24A, 24B so as to communicate each air outlet 71 with the air supply pipe 68, and the air supplied from the blower is passed through the air supply pipe 68. 68 and each air passage 72 and is discharged from each air outlet 71, a buoyancy force is applied to each button B on the button transfer passage 9.

Therefore, when the solenoid 42 is de-energized in this button supply device, the shutter plate 41 is alternately placed in the closed position shown by the solid line in FIG. 5 and the open position shown by the chain line in FIG. 5 via the rotary lever 44. At the same time, the rotation shaft 51 is reciprocated via the protruding piece 41a and the pin 53a, and the first locking member 52 and the second locking member 63 are moved to the locking position shown in FIGS. The locking position and the locking position are alternately rotated. At this time, the second locking member 63 is connected to the first locking member 52.
is moved from the locked position to the non-locked position after a predetermined time after being placed in the locked position, and the first
Because the locking member 52 is moved from the non-locking position to the locking position before being placed in the non-locking position, the first and second locking members 52, 63 may have a timing shift. The button B contacts the outer circumferential surface of the button B alternately, and the button B is intermittently prevented from sliding down in the button transfer passage 9, and the button B is moved to the button waiting section 27.
The buttons are transferred one by one accurately and smoothly to the buttons, and when the shutter plate 41 is opened, the buttons are transferred onto the button carrying body 12.

Furthermore, when changing the button B to one with a different diameter, by rotating the adjustment member 29, the distance between the pair of button guide members 24A, 24B is changed, and the width of the button transfer passage 9 is changed to the button B. can be easily adjusted to suit the diameter of the At this time, as is clear from Fig. 4, the first and second
The button position regulating members 31 and 32 move toward or away from each other by the same amount of movement based on the center of the button B in the button standby section 27 by the guiding action of the first to third guide grooves 35, 36, and 39. be done. Therefore, the center of the button B waiting in the button waiting section 27 is always aligned with the center of the support section 13 of the button carry-out body 12 and the rotational axis of the button position correction member 11, and the support section of the button carry-out body 12 The hole h of the button B can be smoothly inserted into the insertion part 14 on the button 13, and the operation of transferring the button B to the button delivery body 12 can be performed smoothly without mistakes.

By the way, each button B transferred through the button transfer path 9 is charged with static electricity due to the vibration in the button supply device 7. However, according to the button feeding device of this embodiment, the button feeding path 9
Each button B on the button transfer passage 9 is moved by air pressure discharged from the air outlet 71 provided on the passage surface.
Since a buoyancy force is applied to the button B, the static electricity generated in the button feeder 7 is prevented from adhering the button B to the transfer path surface, and the generation of static electricity caused by the sliding movement of the button B is suppressed. Button clogging in the button transfer path 9 can be reliably avoided.

Note that this invention is not limited to the configuration of the above embodiment; for example, as shown in FIG.
Step recess 20 of both button guide members 24A, 24B
Even if an accommodation groove 73 is carved in the accommodation groove 73 and an air guide tube 75 having a plurality of air outlets 74 is housed and arranged in the accommodation groove 73 so as to extend along the button transfer passage 9, the same result as in the previous embodiment can be obtained. Effects can be obtained.

Effects of the invention As detailed above, according to this invention, air imparts a buoyant force to the button, which prevents the button from sticking to the transfer path surface due to static electricity.
This provides an excellent effect in that the buttons can be reliably fed one by one into the button sewing machine.

[Brief explanation of the drawing]

Fig. 1 is a plan view of essential parts of a button supply device embodying this invention, Fig. 2 is a perspective view showing the entire button supply device, Fig. 3 is a partially cutaway front view of Fig. 1,
Figure 4 is a partial cross-sectional view of Figure 1, Figure 5 is a cross-sectional view of a different part from Figure 4, Figure 6 is a plan view showing the operating state of Figure 1, and Figure 7 is a button. FIG. 8 is a front view of the guide member, FIG. 8 is a sectional view taken along the line A--A in FIG. 7, and FIG. 9 is a sectional view showing a modification of this invention. In the figure, 2 is a button sewing machine, 7 is a button feeder, 9 is a button transfer passage, 12 is a button delivery body, 15 is an individual button feeding mechanism, 71 is an air outlet, and B is a button.

Claims (1)

[Claims for Utility Model Registration] Button supply device 7 that accommodates a large number of buttons B and continuously supplies buttons B by applying vibrations
, an oblique button transfer path 9 that guides the button B supplied from the button feeder 7 so that it can slide down by its own weight, and a button B that is arranged in the middle of the button transfer path 9 and is continuously transferred. An individual button feeding mechanism 15 that temporarily stops the button B and sequentially feeds the button B sequentially from the frontmost button, and a button carrying body 12 that carries out the button B fed from the button individual feeding mechanism 15 to the button sewing machine 2. In the button supply device, an air outlet 7 is provided on the passage surface of the button transfer passage 9.
1, and the button B slides down the button transfer passage 9 by the air pressure blown out from the air outlet 71.
A button feeding device characterized in that it is configured to apply a buoyancy force to the button.