JPS6022005Y2 - rotating bucket conveyor - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a rotating packet conveyor that can rotate packets only when necessary, such as when discharging packets.

The rotating mechanism used in a rotating packet conveyor for discharging rotating packets includes, for example, a lever, cam, or pinion for rotation on the rotating packet, and a pin, cam pin, or rack, etc. By installing it near the discharge port in the conveyor's transport line, the rotating packet that reaches the discharge port is rotated to discharge the conveyed object, and the rotating packet is returned to its normal position at the input port in the transport line. A mechanism for returning it is well known.

However, with this type of rotation mechanism, if a transport line is provided with multiple discharge ports, the rotating packet will rotate once at each discharge port, so once the transported object has been discharged, the rotating packet will also be rotated once. It had the disadvantage of being rotated and making unnecessary movements.

Therefore, the inventor of the present application provided a rotary disk with a notch formed integrally in the packet, provided a friction table that made frictional contact with the rotary disk at the upper part near the discharge port, and further provided a protrusion provided on the conveyor chain. A rotary packet conveyor was provided in which a stopper was integrally formed on the packet to prevent the packet rotated once by the friction plate from re-rotating by abutting the packet (Utility Model Application No. 55-90613).

The present application further improves this, so that it can be used regardless of the chain configuration type, the direction of rotation of packets for discharge, and the running direction of the conveyor chain, even when the loaded weight is large, and it is possible to prevent duplicate rotations. To provide a rotary packet conveyor that can rotate packets reliably and smoothly, has a simple structure, is durable, and has good operability.

In a rotary packet conveyor, a conveyance chain running on a chain rail installed inside the conveyor frame transports multiple packets filled with material at the input port to the discharge port, where the material is discharged. It is well known that this device repeatedly and continuously returns these packets to the input slot.

For the sake of simplicity, explanations of the drive devices for these conveyance chains and the like will be omitted here.

This invention will be explained below based on an embodiment shown in the drawings.

The operating format of a rotary packet conveyor is horizontal, vertical, or
There are various types such as inclined type, Z type, C type, 0 type, L type, and V type.

FIG. 1 is a diagram showing an embodiment in which this invention is applied to a Z-shaped rotary packet conveyor.

In the figure, the prime mover, reducer, etc. that are not directly related to the explanation of the present invention are omitted, and the displacement of the packet portion 2 in the traveling direction of the conveyor chain 1 and the main traveling points I,
The travel of the stop pin 3, the input port A, and the discharge port B are illustrated.

The conveyance chain 1 is configured to be endless and circulates by rotation of the sprocket wheel 4.

In addition, 5 in the figure is a casing.

FIG. 2 is a perspective view of the bucket section 2, FIG. 3 is a plan view showing the configuration of this rotary packet conveyor, FIG. 4 is a front view thereof, and FIG. 5 is a side view thereof.

The bucket part 2 includes a packet 6, a rotary disk 7, a bearing 8,
8 and a stop mechanism 9.

The packet 6 has semicircular side parts 6b, 6b, and this side part 6b.
, 6b, and a bottom part 6c which also serves as a U-shaped side wall, and the upper part is an opening part 6b.
It is a.

The rotary disks 7, 7 are integrally provided on both side portions 6b, 6b of the packet 6, and the lower side ends of the rotary disks 7, 7 form a notch 7a.

As shown in FIG. 2, the stop mechanism 9 includes a ring body 9a and a projection 9.
b, first stopper 9c.

It consists of a second stopper 9d and a shaft 9e.

The projection 9b and the second stopper 9d are integrally provided on the upper bottom and outer circumference of the annular body 9a, respectively, and the annular body 9a is coaxially and rotatably supported on the shaft 9e.

Further, the first stopper 90 is integrally provided on the upper side of the shaft 9e.

Usually, the ring body 9a is an integrally formed second stopper 9d.
Normally, the second stopper 9d is in the lower position due to its own weight.

The first stopper 9c is configured integrally with the shaft 9e, and
e is constructed integrally with the rotary disk 7, and indirectly constructed integrally with the packet side portion 6b, so that the stop mechanism 9 moves integrally with the packet 6.

As shown in FIG.
3 is conveyed by a conveyor chain 1 that walks on the conveyor chain 1.

The conveyance chain 1 has a structure in which connecting pins 1C, ld, and le are connected by a chain plate 1a, and in order to run on the chain rail 13, connecting pins lc,
Chain rollers 1b are rotatably provided at ld and le.

A large number of bucket parts 2 are arranged in series in this conveyance chain 1, and the bearings 8 of each bucket part 2 are integrally formed with a shaft pin 12 extending from a corresponding connecting pin 1c.
12 is rotatably supported.

Furthermore, a connecting pin 1d having a stop pin 3 is provided behind the shaft pin 12 of the extended connecting pin IC in the running direction of the conveyor chain 1.

As shown in FIG. 4, a friction table 14 is provided at the lower part near the discharge port of the conveyance line so as to be able to come into contact with the rotary disk 7 of the bucket section 2 to rotate the bucket section 2 by frictional contact therewith.

The length of the abutting surface of the friction table 14 should be approximately equal to the length of the outer circumference of the rotary disk 7 excluding the notch 7a.

Further, in order to strengthen the frictional contact between the rotary disk 7 and the friction table 14, a spring (not shown) is interposed in the friction table 14. It is also possible to make both contact surfaces rough by turret processing or the like.

Next, the operation of the rotary packet conveyor having the above configuration will be explained.

As shown in Fig. 1, at the input port A of the conveyance line,
Packets 6 are filled with objects to be transported, and the waist transport chain 1 is run to move the packets 6 in the direction of the arrow in the figure and transport them to the discharge port B.

The period between points I and N in the figure is the process of statically transporting the conveyed material input from the input port to the top of the discharge port, so as shown in FIG. Although there is a displacement of 3, there is no displacement of the packet 6 itself.

Further, there is no displacement of the stop mechanism 9. FIG. 6 shows the details. At this time, the outer circumferential line R1 of the ring body 9a of the stop mechanism 9 and the inner circumferential line R2 of the stop pin 3 must not contact each other, so R1<
There must be an R2 relationship.

The following point section shows the rotation of the packet for discharge on the discharge port B, and FIG. 7 shows the details thereof.

At this position, the transport chain 1 is traveling on the return trip,
As shown in FIG. 1, the conveyor chain 1 is running below the travel route.

The friction table 14 provided at the lower part of the travel line of the packet section 2 moves upward in response to the demand signal from the discharge port B and is at the upper limit line U.

Since this friction table 14 is provided in parallel with the conveyor chain 1 at a predetermined distance, there is no change in the distance between the rotary disk 7 and the friction table 14 during the entire rotation process from point a'' to e in the figure. do not have.

A is the point where the friction table 14 and the rotary disk 7 begin to come into contact with each other.

Since the bucket portion 2 moves along the running direction of the conveyor chain 1, it rotates counterclockwise due to contact with the friction table 14, and
Moving.

a, b, C9d? ex sets the packet rotation angle to 0'
, 90°, 180°, 270°, and 315°.

Only the bearing 8, shaft pin 12, and stop pin 3 of the packet 6 remain the same in their relative positions throughout the interval a''e; the others are displaced as the packet 6 and rotary disk 7 are displaced.

The following is a step-by-step explanation.

Rotate 90 degrees using 'a as the starting point. Regarding point C, the packet stopping mechanism 9 is rotatably supported by the shaft 9e, the first stopper 9c, and the shaft 9e, and is integrally constructed with the rotary disk 7 and the packet 6. ring body 9as projection 9b, second stopper 9
d have similar displacements.

However, neither of them performs an operation such as abutting contact.

Here, conditions for the smooth movement of the packet stop mechanism are essential.

That is, the distance between the displacement trajectory line S1 of the shaft 9e and the bearing 8 is Ll
When the distance between the central axis of the shaft 9e of the packet stopping mechanism 9 and the tip of the second stopper 9d is L2, the distance must be h.

At point b, the packet opening 6a faces almost right sideways, and at point C, it faces completely straight down, and the discharge of the conveyed material is completed at this point.

It goes without saying that the notches 7a are also displaced by predetermined angles.

Next, we will discuss point c''d.

Between these points, a contact change occurs in the packet stopping mechanism 9.

That is, it is rotatably supported on the shaft 9e, and the second stopper 9
Ring body 9 was only moving without being displaced due to its own weight of d.
The protrusion 9b provided at point a and the first stopper 90 provided at the tip of the shaft 9e that has been displaced together with the rotary disk 7 abut and engage, and as shown in the figure at point d, the packet stop mechanism is activated. 9 assumes an integral posture and simultaneously performs the same displacement while being supported on the shaft 9e along with the packet 6 and the rotary disk 7.

As shown in the figure, point d is also the point at which the contact between the friction table 14 and the rotary disk 7 is completed due to the notch 7a.

Next, the d''-e point diagram, that is, the completion of packet rotation for ejection and the final attitude will be described.

At point d, the packet opening 6a is on the right (X direction) in the figure.
The packet 6 is on the left (Y direction) in the figure, and therefore the weight of the packet is biased to the left (Y direction) in the figure.

That is, even after the contact relationship between the rotary disk 7 and the friction table 14 ends, the packet 6 continues to rotate in the X-Y direction (to the left) due to its own weight.

What should be noted here is that packet 6-, which has undergone rotation, is
As shown in the figure at point e, due to the abutment and engagement of the packet stop mechanism 9 and the stop pin 3, the notch 7a of the rotary disk 7 maintains a posture parallel to the friction table 14 and comes to a complete stop with a distance H. That's true.

At this time, the following conditions are essential in order for the packet stop mechanism 9 and the stop pin 3 to be completely abutted and engaged.

That is, the distance between the center of the shaft 9e of the packet stop mechanism 9 and the tip of the second stopper 9d is L2, and the distance between the shaft 9e and the stop pin 3 is L2.
When the distance on the bearing 8 side (inside) is L3, L2>L3
There must be a relationship between

Needless to say, the distance H is the gap between the friction table 14 and the notch 7a when it moves upward, so once the distance H is
The packet 6 rotated in the -e process is temporarily moved up by the friction table 14 at the next discharge port B (a demand signal is issued).
Even if there were, he would never perform idle rotations or double rotations again.

Since the packet rotation angle between a ” and e is approximately 315°,
The packet opening 6a is stopped and held in a state facing diagonally to the top of the tree, but the conditions for completely rotating the packet 360 degrees are to position the packet opening 6a directly above and horizontally, so that the center of gravity of the packet 6 is positioned horizontally. In the case of the rotating packet 6 shown directly below, if the length of contact between the circumference of the rotating disk 7 and the friction table 14 is greater than 180° in terms of the rotation angle of the packet 6, then the weight of the packet 6 is Therefore, the rotation angle is not limited to 315° as shown in the figure, and therefore, the cutout position of the cutout 7a, the opening direction of the opening 6a when stopped, the mounting position of the packet stopper mechanism 9, etc. are based on the same principle. ``The invention is not limited to what is shown in the figures.

Next, although there is a change in the traveling direction of the conveyor chain 1 between the points, the state remains at point 0, where the rotation of the packet 6 for ejection has been completed. There is no change at all, just a transition according to the conveyor chain 1.

In addition, the point N, TS, NE, S, U, M corresponds to the part where the circulating conveyance chain 1 changes from the return path to the outward path, and the packet stops at the rotation point of the packet 6 for discharge. This is a part that shows a unique change situation of the packet stop mechanism 9 as well as cancels the operation of the mechanism 9.

As shown in FIG. 8, the N point diagram is no different from the point diagrams L to E and B at the time when the rotation of the packet for ejection is completed, but from the S point to the Y point, the transport chain 1 is Along with the displacement in the traveling direction, a large displacement occurs in the packet 6 and the packet stopping mechanism 9 due to the displacement of the stop pin 3 and the shaft pin 12, which are integrally attached to the conveyance chain 1.

A step-by-step explanation will be given below.

Between the points N, T, N, S, U, the diagram shows the displacement of the shaft pin 12 and the stop pin 3 by about 45 degrees with the level line as the base line. pin 3, bearing 8,
The packet stop mechanisms 9 are both located substantially horizontally, and the packet 6 is kept stable by the engagement between the packet stop mechanism 9 and the stop pin 3 while applying its own weight to the left side.

While maintaining almost the same load relationship as at the bottom point, displacement is performed at each point by about 45 degrees.

At point 4, the bearing 8, the packet stop mechanism 9, and the stop pin 3 are on a substantially vertical line, and the notch 7a is located directly to the left.

After point N, the traveling direction of the conveyor chain 1 changes to the forward path, so it is opposite to points N to N, but the axis pin 12 and stop pin 3
The state of the displacement angle continues.

At the zero point, the opening 6a is located directly below, the packet is located approximately on the level line, and the packet 6 and its own weight are approximately balanced on the left and right sides on the shaft pin 12 via the bearing 8.
balance).

In other words, due to the movement and displacement of the conveyor chain 1 after point A,
It is clear that as the displacement of the stop pin 3 progresses, the equilibrium state of the weight of the packet 6 will collapse.

The dot diagram shows a situation in which the transport chain 1 progresses, the weight balance of the packet 6 collapses, and the packet stop mechanism 9 makes a notable change.

At this time, the traveling direction of the conveyor chain 1 returns to completely horizontal, so the stop pin 3 does not change.

In the process of transitioning from the zero point to the negative point, the shaft pin 12, bearing 8, stop pin 3, and packet stop mechanism 9 are in a state of being displaced by approximately 180° from the negative point diagram due to the transition of the conveyor chain 1. , located approximately on the level line on the left side of the figure.

The weight of the packet 6, which had been maintaining equilibrium at the zero point, is displaced by about 45° to reach the tipping point, completely breaking the equilibrium, and the packet 6 starts rotating from the X direction to the Y direction.

The rotary disk 7 that is integrated with the packet 6, and each part of the packet stop mechanism 9 provided on the rotary disk 7 via the shaft 9e, the ring body 9a, the protrusion 9b, the first stopper 90, and the second stopper 9d. Displaced at the same time.

The displacement situation is shown in detail in the dot diagram. That is, the packet stop mechanism 9, together with the packet 6 and the rotary disk 7,
It is displaced in the Y direction as (A), (B), and (C), but (A)
When moving from to (B) position, the position of the stop pin 3 remains unchanged, so the contact relationship and load relationship between the stop pin 3 and the second stopper 9d are released, and the second stopper 9d is separated from the stop pin 3. As shown in Figure B), the second stopper 9d, which is integrally formed with the ring body 9a rotatably supported on the shaft 9e, falls downward (in the Y+X direction) due to its own weight and rotates to the position (C). The position will be as shown.

During this time, the shaft 9e and the first stopper 9c of the packet stopping mechanism 9 are no longer in a load relationship with the ring body 9a and the second stopper 9d, and are integrated with the rotary disk 7 since the second stopper 9d is detached from the stop pin 3. Move on to action.

The opening 6a of the packet 6 is directed upward due to its own weight, and the packet 6 is positioned completely downward. That is, the packet stop mechanism 9 is positioned in (C), which means that the packet 6 and the rotary disk 7
This indicates that the conveyor has returned to the starting point A, which means that the basic form of this type of rotary packet conveyor, which relies on repeated circular motion, can be maintained continuously.

As explained above, in the rotary packet conveyor according to this invention, the packets are rotated one revolution by the contact between the rotary disk having a notch at the side end and the friction plate provided below the conveyor chain near the discharge port. Since it has a structure that prevents re-rotation by the cooperation of the notch of the rotary disk, the stop pin, and the stop mechanism, the packet that has been discharged once does not rotate again, and the rotation of the packet is prevented. It can be removed reliably and smoothly, and the structure is simple and durable.
It is easy to operate, and since the friction plate is installed below the conveyor chain, even when the loaded weight is large, the packet can be easily rotated by using the loaded weight as well as the packet's own weight. It has several advantages.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a schematic diagram of the overall configuration, Fig. 2 is a perspective view of the packet section, Fig. 3 is a plan view, Fig. 4 is a front view, and Fig. 5 is a schematic diagram of the overall configuration. It is a side view, and Fig. 6 shows the travel and movement of the chain and stop pin between points A and N in Fig. 1, and Fig. 7 shows the packet, turntable, and packet at point I in Fig. 1. Figure 8 shows the displacement process of the stop mechanism, etc., and also shows the packet between the points in Figure 1 and 1.
This figure shows the displacement process of the rotary disk and packet stop mechanism. 1... Conveyance chain, 3... Stop pin, 6... Packet, 7... Turntable, 7
a... Notch, 9... Stopping mechanism, 9a
...Ring body, 9b...Protrusion, 9c...
...First stopper 1.9d...Second stopper 9e...Shaft, 12...Shaft pin, 14
...Friction table, A...Input port, B...
···Vent.

Claims (1)

[Scope of utility model registration request] In a rotary packet conveyor having a packet 6 rotatably attached to a conveyance chain 1 running between an input port A and a discharge port B of a conveyance line, the rotary packet conveyor has a center that is the same as the rotation center of the packet 6. , and rotary disks 7, 7 having cutout portions 7at7a at the side ends of the circumference are integrally provided with the packet 6, and friction with the circumferential surfaces of the rotary disks 7, 7 excluding the cutout portions 7a, 7a is provided. A friction plate 14.14 is placed below the conveyor chain 1 near the discharge port B so as to be in contact with the friction plate 14.14.
is provided, and centering on the rotation center of the packet 6,
A stop mechanism 9 is rotatably provided, and a stop pin 3 is further provided on the conveying chain 1, and the stop mechanism 9
A shaft 9e integrally provided approximately at the center of the rotation center and the outer peripheral portion of the rotary disk 7, a first stopper 90 integrally provided on the upper part of the shaft 9e, and a first stopper 90 coaxially provided with the shaft 9e. The stopping mechanism 9 is composed of a fitted ring body 9a, a projection 9b and a second stopper 9d that are integrally provided on the upper bottom and outer circumference of the ring body 9a, respectively.
A rotary packet conveyor characterized in that the packets 6 are prevented from re-rotating by cooperation with the notches 7a, 7a and the stop pin 3.