JPH0623101A - Automatic small ball supply device - Google Patents

Abstract

PURPOSE:To supply a small ball at good timing by employing a small ball supply device so as to take out the small ball one by one by the rotary can of a small ball launch device and to supply it to the small ball supply device by a force lever. CONSTITUTION:An automatic small ball supply device 20 mounted integrally with the small ball launch device 2 comprises a supply lever 6 which supplies the small ball 1 to the small ball launch device 2, and a supporting part 21 which supports the supply lever 6 slidably freely. The small ball launch device 2 is equipped with a disk 3 of circular plate shape which rolls the small ball 1 and provided with a hole 5 for small ball supply, and moves backward the supply lever 6 by a can 4 of circular plate shape provided at the disk 3. The supply lever 6 is provided so as to take out the small ball 1 selectively, and is equipped with receiving parts 12, 13 to receive one small ball 1 from a small ball group 8 to which the ball is sent from a small guide path 7. The receiving part 12 is formed in an oblique plane, and the small ball 1 supported with the receiving parts 12, 13 is also supported with a guide plate 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a globule feeder for feeding globule to a globule launcher.

[0002]

2. Description of the Related Art Although various methods and mechanisms for supplying small balls have been proposed, one method is disclosed in Japanese Patent Laid-Open No. 62-
As shown in 129069, it has been proposed that a small ball at the end of a small ball guideway is lifted by an electric plunger and sent into a continuous road surface at a firing standby position.

[0003]

In the conventional example, the device for supplying small balls and the device for launching balls are constructed so as to be combined and used as completely different units. In other words, this is because the small ball supply device has a completely different function from the launching device and the supply device, and the small balls are smoothly launched by taking electrical timing. However, obtaining the mechanical matching between the launching device and the feeding device requires various adjustments, and sometimes the timing of feeding and firing cannot be timed to cause firing failure.

Therefore, an object of the present invention is to integrate a small ball supply device and a launching device, and to supply the small ball with the driving force of the launching device to prevent supply mistakes and to prevent the firing timing from affecting the small ball. The purpose is to be able to fire.

[0005]

In order to achieve the above object, a prilling feeder of the present invention is detachably attached to a prilling launcher so as to be integrated in a small manner in synchronization with the driving timing of the prilling launcher. It is characterized in that the sphere can be supplied.

[0006]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a front view of an automatic prilling feeder according to an embodiment of the present invention.

The automatic globule feeder 20 integrally attached to the globule launcher 2 for launching the globule 1 includes a feed lever 6 and a feed lever 6 for feeding the globule 1 to the globule launcher 2.
It is composed of a support portion 21 for slidably supporting the. A disc-shaped cam 4 that reciprocates a supply lever 6 is provided on a circular disk 3 that rolls the small ball 1 of the small ball launching device 2, and the small ball 1 is supplied to the disk 3. The hole 5 is provided.

FIG. 2 and FIG. 3 are an enlarged view and a side view of the enlarged view showing a main part of the automatic globule feeder according to the embodiment of the present invention. Convex portion 4'and hole 5 of cam 4 provided on disk 3
The relative position of is roughly as shown in FIG. 2 in the present embodiment, but it may be arranged more appropriately depending on the relationship with other parts. The push-up lever 6 for selectively canceling the small ball 1 is provided with a small ball guide path 7
The receiving parts 12 and 13 which receive one small ball 1 from the small ball group 8 sent further are provided. Here, since the receiving portion 12 is an inclined surface, the small ball 1 is not only abutted and supported by the receiving portions 12 and 13, but also a guide plate that is a part of the supporting portion 21 that supports the supply lever 6. It is also supported by 14. The push-up lever 6 has a push-up portion 11 which is displaced by the cam 4 at one end, and a plate-shaped guide portion 15 at the other end.

FIG. 4 is a cam-push lever position diagram schematically showing the movements of the cam and the push lever of the embodiment of the present invention. In the state shown in (a), the push-up lever 6 is at the bottom dead center, that is, in the lowest position. In the state shown in (a), the push-up lever 6 and the small ball 1 are displaced by the amount by which the shape of the cam 4 is displaced. When the state of (c) is reached, that is, (a)
When the H amount lifting lever 6 is displaced from the state of
Is rolled over and fed toward the hole 5 of the disk 3 over the guide plate 14.

FIG. 5 is a schematic view for explaining the shape of the receiving portion of the push-up lever according to the embodiment of the present invention as seen from the front and side. The dimensions of the receiving portions 12 and 13 of the push-up lever 6 are
If the radius of the small sphere 1 is R, R <L1 <2R is preferable,
Also, L2> R is appropriate.

FIG. 6 is a schematic view for explaining a case where the small spheres are continuously supplied in the embodiment of the present invention. In (a), after one small ball 1 is supplied to the receiving portions 12 and 13 of the push-up lever 6, the push-up lever 6 is driven and raised by the rotational movement of the cam (not shown) (a). . When the small ball 1 is pushed up a little, the width 1R of the receiving portion 12 becomes larger than the diameter 2R of the small ball.
Is smaller, the small ball 8'closest to the small ball 1 of the continuous small ball group 8 is the guide portion 1 which is a part of the push-up lever 6.
When approaching 5 and pushing up lever 6 further, small ball 8 '
Contacts the guide portion 15. When the push-up lever 6 is further raised, the small ball 1 is rollingly inserted into the hole 5 (d). When the rotation of the cam (not shown) further proceeds, the push-up lever 6 begins to descend, and eventually reaches the bottom dead center, and the small ball 8'is supplied to the receiving portions 12 and 13 (e).

FIG. 7 is an external view of a plate-like cam in the embodiment of the present invention, and FIG. 8 is an explanatory view showing a change in the moving amount of the push-up lever in the case of the cam shape shown in FIG. . The convex portion 4'of the cam 4 that abuts the push-up portion 11 of the push-up lever 6 of the push-up lever 6 has a curve (centered around the shaft 10 that rotationally drives the disk 3 rather than an arbitrary smooth curve (a)). In the figure, r1 has a curvature different from r), and the movement of the lifting lever 6 is smoother, and the insertability of the small ball 1 into the hole 5 is better. Further, depending on the rotation speed of the disk, a straight line shape separated by a certain distance l from the shaft 10 may be preferable. Lever 6 with each cam shape
Assuming that the maximum movement amount is H, (A) in FIG.
It can be expressed in correspondence with (a) and (c).

FIG. 9 is a schematic diagram for explaining the vicinity of the bearing portion provided with the one-way clutch in the embodiment of the present invention. The main body of the small ball launching device is omitted. A bearing 20 for rotatably supporting the shaft 10 is fixedly mounted on the main body of the small ball launching device (illustration is omitted and represented by diagonal lines), and the shaft 10 and the disc 3 are separated from each other by a predetermined one-way clutch 21. Rotate only in the direction of rotation. In the case of the structure in which the disk is rotated once to shoot the small balls as in the present invention, it is possible to prevent the reverse rotation when supplying the small balls and to control the vibration when the disk is rotated.

In the present invention, the cam shape is a plane cam, but the same configuration is possible with other shapes such as a plane cam.
If there is sliding friction between the push-up portion 11 of the push-up lever 6 and the cam 4, the push-up portion 11 may be provided with a rolling member such as a ball bearing. Furthermore, the push-up lever can be pulled back downward.

[0016]

EFFECTS OF THE INVENTION According to the prill supply device of the present invention, the pebble can be surely supplied in a timely manner without any distance source other than the launching device, and the following great effects are obtained.

Since there is a mechanism for selecting small spheres one by one, no special small sphere selection mechanism is required.

When intermittently supplying small balls,
Even if the rotation of the disk is stopped midway, the small balls can be reliably and selectively supplied one by one if they continue to rotate in one rotation direction.

Since the lever is driven by the rotating cam, the lever exerts a load on the cam when the lever is moved up, and it works effectively to bring the disk closer to a stopped state at the timing of intermittently driving the disk. Further, when the disk is restarted, the push-up lever gives the cam a rotational force for accelerating the disk, so that it can efficiently contribute to the firing of small balls.

Since the push-up lever is operated by the cam, a part of the cam is always in contact with the push-up lever, so that the quietness is maintained and the durability is excellent.

Since the one-way clutch is provided, the rotation of the disk is smooth and the vibration is small even if there is a load due to small balls or an external load fluctuation.

[Brief description of drawings]

FIG. 1 is a front view of a small ball launching device showing an embodiment of the present invention.

FIG. 2 is an enlarged view showing a main part of an automatic small ball supply device according to an embodiment of the present invention.

FIG. 3 is a side view of an enlarged view showing a main part of the small ball supply device according to the embodiment of the present invention.

FIG. 4 is a cam-push lever position diagram schematically showing movements of a cam and a push lever of an embodiment of the present invention.

5A and 5B are schematic views seen from the front and side, for explaining the shape of the receiving portion of the push-up lever in the embodiment of the present invention.

FIG. 6 is a schematic diagram for explaining a case of continuously supplying small spheres in the embodiment of the present invention.

FIG. 7 is an external view of a plate-shaped cam according to the embodiment of the present invention.

FIG. 8 is an explanatory diagram showing changes in the amount of movement of the push-up lever according to the embodiment of this invention.

FIG. 9 is a schematic diagram illustrating the vicinity of a bearing portion provided with a one-way clutch in the embodiment of the present invention.

[Explanation of symbols]

 1,8 'small ball 2 small ball launching device 3 disk 4 cam 4'convex part 5 hole 6 pushing lever 7 small ball guiding path 8 small ball group 10 axis 11 pushing part 12, 13 receiving part 14 guide plate 15 guide Part 20 Small ball automatic feeder 21 Support part

Claims (5)

[Claims] 1. A small ball automatic feeding device comprising a push-up lever for selectively taking out small balls one by one by a rotating cam of the small ball launching device and feeding the small ball to the small ball launching device. . 2. The automatic globule feeder according to claim 1, wherein a surface of the push-up lever for selectively picking up the globule, which supports the globule, is inclined toward the mouth of the globule launching device. 3. When the push-up lever for selectively taking out the small balls is pushed up by the rotating cam of the small-ball launching device, the guide portion for preventing the falling of the small balls guided to the small-ball guide path is pushed. 4. The lifting lever is provided on the lifting lever.
The automatic small ball feeder described. 4. An automatic prilling feeder according to claim 1, which is detachably attached to the prilling device. 5. The automatic prilling feeder according to claim 1, wherein the drive unit of the prilling device is provided with a one-way clutch rotatable in only one direction.