JPS5918187B2 - Scatter projectile device - Google Patents

Description

Detailed Description of the Invention The present invention is useful for crushing and removing protrusions from cast products, synthetic resin products, rubber products, etc., peeling off deposits such as casting sand, removing oxides, and cleaning metal surfaces. A device used for processing, removing ink and other coatings from printing plates, roughening the surface of stone, adding patterns to birdboards, graining wood, etc. A discharge mechanism driven and rotated by shot pellets from a supply mechanism. The present invention relates to a shot projecting device configured to project bullets in a predetermined direction.

The means for projecting the shot pellets include means for projecting the shot pellets using high-pressure air, and means for projecting the shot pellets by the ricochet action of a rotor.

However, the former method of projection using high-pressure air is unsuitable for anything other than shotguns with a relatively small diameter and low mass, and is limited in the range of objects that can be projected, and is accompanied by large power loss and noise generation.

In addition, in the latter case of projection due to the ricochet action, it is difficult to avoid violent collision between the shot and the wing body, and the mass of the shot is thick.
If the projection speed becomes too high, it may cause damage to the wing body or case, and from the viewpoint of strength, the range that can be projected is limited.In addition, the wing body, case, shotguns, etc. are subject to severe wear, resulting in poor durability and friction. The heat and noise caused by this are enormous.

In view of the above-mentioned circumstances, the present invention is extremely simple in structure and advantageous in terms of cost, operation, maintenance, etc., while being able to adapt to a wide range of changes in shot mass and projection speed, and in projection processing. It is an object of the present invention to provide a shot projecting device that can greatly expand the target range and further suppress power loss, heat generation, and noise generation as much as possible.

That is, the non-invention is, in the above-mentioned scatter shot projecting device, that the ejection mechanism is constituted by at least a pair of rotating bodies rotated in mutually opposite directions around mutually parallel or almost parallel axes, The rotating body is configured to be elastically deformable in the direction of the rotational radius of the rotating body, and the pellets from the supply mechanism are elastically held and discharged by the cooperation of both the rotating bodies. .

In other words, by ejecting the shot after it is elastically held between a pair of rotating bodies, it becomes possible to project the shot at the desired speed reliably and in good condition from a motorized vehicle, regardless of temperature, mass, or dimensions of the shot. Moreover, even when the mass of the shot is large or the projectile speed is high, the impact between the rotating body and the shot can be relatively alleviated, and impact damage to the rotating body and the shot can be minimized. Because of its superior soil and projecting directionality, the shotgun and case do not suffer from wear and tear due to sliding contact between the two, unlike in conventional ricocheting methods, and in terms of strength, the shot mass and projection are much lower. The overall range of projection processing can be greatly expanded without being limited by speed.

Furthermore, since there is almost no sliding contact between the shotgun and the projection device that occurs when projecting energy is imparted, heat generation and power loss can be extremely minimized, and the noise generated when shooting the shotgun can be minimized as well. It is also extremely effective in terms of usage.

Furthermore, the structure is extremely simple, for example, by providing a pair of wire brush-like rotating bodies, and the cost is low.
It is excellent in terms of both operation and maintenance.

In particular, as described in claim 2, the pairs of rotating bodies are arranged to face each other in a direction perpendicular to the shot projecting direction, and a plurality of pairs of the rotating bodies are arranged to face each other in a direction perpendicular to the shot projecting direction. For example, if the shot bullets are arranged in a straight line and are configured to be speeded up each time they pass through the pair of rotating bodies, the shot bullets may have a small mass, a small diameter, or a small mass and diameter. Even this? It becomes possible to project with a stronger impact force, and conversely, there are advantages such as the ability to achieve a desired speed without increasing the impact between the shot and the rotating body even if the shot is a mass hole.

Next, embodiments of the present invention will be described in detail based on illustrative drawings.

The shot projecting device includes a hopper-type supply mechanism 1 for storing and supplying shot shots a, a shot discharge mechanism l that communicates directly with the feeding mechanism 1 via a flexible pipe 2, and Release mechanism! It is comprised of a drive mechanism 4 and a support structure 5 for the drive mechanism 4 and support structure 5.

The release mechanism 3 includes two pairs of elastic rotating bodies 9 in which linear elastic members 8 such as piano wire are radially planted on a pair of mutually parallel shafts 1, 1 that are rotatably provided with respect to the case 6.
, 9, and the outer edges of the rotating bodies are provided with a slight gap, in contact with each other, or partially inserted into each other.

A pair of rotating bodies 9, 9' and 4 are disposed to face each other in a direction perpendicular to the direction of ejection.

To configure the rotational drive mechanism 41 for the discharger tank, a motor 10 having an output shaft 11 substantially parallel to the shaft 1 is provided on the support structure 5, and the motor output shaft 11 and one shaft 1 are connected by a transmission device 12. At the same time, the shafts 1, 1, and 5 can be rotated in opposite directions by the hook of the transmission tool 13.
The shot bullets a, which are interlocked and connected in the case 6 by the action of the °C inclined guide portion 140, are elastically held between the two elastic rotors 9, 9 and released. It is configured to eject into the cylinder 15 in a directional manner so as to suppress collision with it.

In other words, the shotgun a.
. . is configured to fly out from the ejection tube 15.

The shot shot a used in this shot projecting device is the shot shot 2 used for shot blasting and shot peening.
In addition to steel balls with a diameter of about 4% or less, steel balls with a larger diameter, hard synthetic resin materials, shredded piano wire, sand, etc. can be used. Depending on the situation, use an explosion-proof motor or air motor as appropriate.

Note that even if the shot supply mechanism 1 and the discharge mechanism 3 are directly connected,
Further, the amount of shot supplied from the supply mechanism 1 is controlled by replacing adjustment pipes with different diameters, providing a damper for changing the opening amount, etc.

As the rotating bodies 9, 9, instead of the linear elastic member 8,
This may be made of soft rubber or a soft synthetic resin material, such as foamed urethane, and in short, it may be configured to be elastically displaceable in the direction of the rotation radius.

When targeting shotguns with a large mass, or when increasing the projection speed, nine pairs of rotating bodies 9° arranged in a direction perpendicular to the direction of shotgunning are placed in a straight line in the direction of shotgunning. A plurality of pairs may be arranged in parallel so that the shot bullets a... are accelerated each time they pass through a pair of rotating bodies.

Incidentally, when peeling off the deposits using the shot projecting device, the target article is preferably cooled to embrittle it.

[Brief explanation of the drawing]

The drawings show an embodiment of the shot projecting device according to the present invention.
The figure is an overall longitudinal sectional side view, and FIG. 2 is an overall lateral sectional plan view. 1... Supply mechanism, 3... Release mechanism, 9
...Rotating body, a...Scattered bullet.

Claims (1)

[Scope of Claims] 1. The shot bullets a... from the supply mechanism 1 are driven and rotated.
The device is configured to be ejected in a predetermined direction by a shedding mechanism, and the ejection mechanism 3'k includes at least a pair of ejection mechanisms rotated about mutually parallel or semi-parallel axes and in mutually opposite directions. Consisting of rotating bodies 9, 9, the circumferential parts of the rotating bodies 9, 9 are configured to be elastically deformable in the direction of the rotation radius, and the shot bullets a from the supply mechanism 1 are transferred to both the rotating bodies 9.
. 2 The pairs of rotating bodies 9, 9 are arranged to face each other in a direction perpendicular to the shot projecting direction, and a plurality of pairs thereof are arranged in a straight line in the shot projecting direction, so that the shot projectiles are 2. The shot projecting device according to claim 1, wherein the shot projecting device is configured to be accelerated each time a... passes through the pair of rotating bodies 9.9.