JPH0752091Y2 - Bar conveyor for egg transfer - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an egg transfer bar conveyor used for transferring a large amount of eggs from a poultry house, and more particularly to a bar conveyor using a roller chain.

[0002]

2. Description of the Related Art With the expansion of the breeding scale of egg-laying poultry farms, in order to process the eggs laid in the poultry house, a bar conveyor for transferring large amounts of eggs that can be transported in large quantities has been attached to the egg collection cage in the poultry house. It is connected to the egg equipment and transfers the eggs to the egg processing plant.

As the bar conveyor for transferring eggs, the bar conveyor system is widely adopted for the purpose of preventing the spread of contamination to other eggs when the eggs are broken during transfer, and the chain to be constituted is a short link chain. Roller chains are typically used. Since the roller chain has advantages such as accurate pitch, easy attachment of the bar, and light weight, the bar conveyor using the roller chain is widely used. Here, the bar pitch of the egg conveyor bar conveyor is derived from the size of the egg, and is 3 pitches (3 links) of roller chain nominal number 40 (JIS).
Since every 38.1 mm is suitable, a roller chain with a nominal number of 40 (JIS) is generally used.

Depending on the construction site conditions, it is not always possible to install a chicken egg transfer bar conveyor in a straight line between the poultry house and the egg processing plant. Therefore, a curved portion must be installed together. If the curved part and the straight part are divided into individual parts, the occurrence rate of egg rupture and scratched eggs tends to be high at the transition part between both conveyors, so an attempt was made to continuously integrate the curved part and the straight part. Came.

However, in the curved portion, the bar pitch on the outer peripheral side and the inner peripheral side, that is, the pitch of the roller chain must be smaller on the inner peripheral side than on the outer peripheral side,
Since a smooth curve is not achieved, the inner roller chain bends freely (irregularly) in a manner that is actuated by the movement of the outer roller chain, resulting in a smaller bar pitch. The curve part is completed. More specifically, when the roller chain on the outer peripheral side is pulled to maintain a regular pitch in the curved portion of the bar conveyor where the driving tension is applied, the inner peripheral roller chain becomes loose and the roller chain Means that the bar is held between the bar retainer fixed with a proper gap and the bar receiving member, and only the links of the roller chain without the bar are bent up and down, resulting in The curve portion is completed by reducing the pitch on the inner peripheral side.

[0006]

[Problems to be solved by the invention] The problem to be solved by the present invention is that the bending of the inner peripheral roller chain at the above-mentioned curved portion is only "bending" produced according to the flexibility of the roller chain. In addition, the roller chain lacks smoothness in operation, that is, rust,
Under the conditions of dust, lack of lubricating oil, etc., the above-mentioned "bending"
Lacks regularity of bar pitch, lacks regularity of bar pitch reduction, and causes "tangling phenomenon" of the roller chain, which hinders the operation of the bar conveyor.

[0007]

In the present invention, at the entrance from the straight portion of the bar conveyor to the curved portion, the impeller, which is transmitted and rotated by receiving the driving force from a part of the bar conveyor, is provided on the inner peripheral side. It is provided so as to contact the roller chain, the pitch of the impeller is equal to the pitch of the bar indexed from the radius of curvature of the curved portion, the impeller also rotates according to the operation of the bar conveyor, the inner peripheral side roller chain It was possible to bend smoothly and make the bar pitch smaller than the bar pitch on the outer peripheral side to enable smooth operation.

[0008]

The chicken egg transfer bar conveyor according to the present invention will be described with reference to the embodiments shown in the drawings, but the present invention is not limited to the illustrated embodiments and is described in the scope of claims for utility model registration. All modifications and alternatives included in the spirit of the present invention are also included.

In order to understand the effect of the impeller according to the present invention, FIG. 1 is a plan view of a curved portion of a bar conveyor according to the prior art, and FIG. 2 is an A in FIG. 1 showing a bent state of an inner peripheral side roller chain. -A arrow view is shown.

FIG. 3 shows a preferred embodiment of the present invention in a simplified perspective view with the frame of the conveyor omitted for the sake of easy understanding. A driven sprocket 4 is provided in contact with the inner peripheral roller chain 2, and the driven sprocket 4 is fixed with a transmission sprocket 5 via a shaft 41 supported by using a bearing (not shown). Further, the transmission sprocket 5 has the same number of teeth as the driven sprocket 4.

A chain 7 is attached to the transmission sprocket 5.
It is installed between the floating sprocket 6 and the sprocket 6. The chain 7
Is the same as the inner roller chain 2, the driven sprocket 4 and the transmission sprocket 5 have the same number of teeth, so that the chain 7 moves at the same speed as the inner roller chain 2.

In contact with the chain 7, the drive sprocket 8
Is provided. The number of teeth of the drive sprocket 8 is set to be three times the number of teeth of the impeller 9 that rotates the same as the drive sprocket 8. The number of teeth of the impeller 9 is set to the number of teeth required to secure the pitch of the bar 3 attached to the inner peripheral side roller chain 2 which is determined from the radius of curvature of the curved portion of the bar conveyor A. Coaxial drive sprocket 8 for car 9
The number of teeth of is set to three times the number of teeth of the impeller 9 because the bar 3 is attached at every 3 pitches (3 links) of the inner peripheral roller chain 2.

When the egg conveyor bar conveyer A enters the curved portion, the bar 3 is fixed with a bar pressing member 31 and a bar receiving member 2 which are fixed with a gap capable of receiving the diameter of the bar 3.
It is guided during 1. The inner peripheral roller chain 2 is in contact with the impeller 9, and the tip ends of the teeth of the impeller 9 are regularly bent so that the link without the bar 3 is pushed downward, and the pitch of the bar 3 is increased. Is kept smaller than the pitch of the bar 3 in the outer roller chain 1, and smooth movement is ensured in the curved portion of the inner roller chain 2. Furthermore, the approach speed to the curved portion of the inner peripheral side roller chain 2,
The synchronism with the moving speed in the curved portion is ensured by using the impeller 9 driven by the chain 7 that moves at the same speed as the inner roller chain 2, so that the inner roller chain 2 does not get pulled abnormally or get stuck on the sending side.

[0014]

[Effects of the Invention] By using the egg transfer bar conveyor described above, the bar conveyor can be integrated continuously and the egg transfer part can be omitted to break even if the bar conveyor has to be curved according to the location conditions of installation. It is possible to eliminate the risk of egg generation and, in addition, to make the transition of the curved portion smooth, the operation of the bar conveyor is extremely smoothed overall, and the effect of preventing egg breakage of chicken eggs during transfer is effective. Is large. In addition, since the radius of curvature of the curved portion can be reduced to reduce the installation space, it contributes to the effective use of the site.

[Brief description of drawings]

FIG. 1 is a plan view of a curved portion of a bar conveyor for transferring eggs according to a conventional technique.

FIG. 2 is a view taken along the line AA of FIG.

FIG. 3 is a simplified perspective view showing a relationship between a driven sprocket and an impeller.

FIG. 4 is a perspective view showing a state in which an impeller and an inner peripheral side roller chain are bent.

[Explanation of symbols]

 1 Outer side roller chain 2 Inner side roller chain 3 Bar 4 Driven sprocket 5 Transmission sprocket 6 Floating sprocket 7 Chain 8 Drive sprocket 9 Impeller A bar conveyor

Claims (1)

[Scope of utility model registration request] A blade that is driven and transmitted from a part of the egg transfer bar conveyor to the entrance to the curved portion of the egg transfer bar conveyor that is composed of two rows of roller chains and a bar passed between them. A bar conveyor for transferring eggs, wherein the car is provided in contact with an inner peripheral roller chain of the curved portion, and the pitch of the impeller is set to be equal to the bar pitch on the inner periphery.