JPS61243725A - Rodform substance transfer route shifting device - Google Patents

Abstract

PURPOSE:To shift a transfer route for a rodform substance, by a method where in the rodform substance is adsorbed and released from adsorption through opening and closing of a nozzle through which air is injected toward adsorbing holes of a main drum, and the rodform substance is adsorbed to a first or a second transfer drum rotating synchronously. CONSTITUTION:First and second transfer drums 2 and 3 on both sides of a main drum 1 rotatable in one way around an about horizontal axis. Grooves 1a, 2a, and 3a, respectively engaged with a rodform substance P, are formed in their respective outer peripheral surfaces of the drums 1, 2, and 3, and plural adsorbing holes 1b, 2b, and 3b are formed in their respective bottoms of the grooves. Cavity parts 13, 15, and 16, connected with an intake air source, are formed in the proper angular range of the outer peripheral surface of core axis members 10, 11, and 12 of the drums 1, 2, and 3, respectively. Air is injected through a nozzle 17 of the drum and the air therethrough is shut off through opening and closing of a valve to separate the rodform substance P from the bottom surface of the groove 1a or adsorb it to the bottom surface to transfer the substance to the drum 2 or 3.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a rod-shaped article transfer route switching device that is used by being inserted in a rod-shaped article transfer route such as a plug for a cigarette filter or a cigarette.

(Prior Art) For example, as shown in FIG. 6, a rod-shaped object transfer device used in a transfer path from a manufacturing device for cigarette filter plugs to a post-processing device such as a box packing device is used. Grooves a for plug insertion are formed at regular intervals on the surface,
A transfer drum in which grooves d for inserting plugs are formed at regular intervals on the outer circumferential surface of the main drum C, which has suction holes formed on the bottom surface of the good conductor a, and suction holes e formed on the bottom surface of the good conductor d. f is provided, and these main drum C1 transfer drum f
in opposite directions to each other and in the grooves a, d of each drum c, f.
The plugs are configured to be rotated in synchronization so that they rotate facing each other, and the plugs transferred from a plug manufacturing device (not shown) are placed in the groove a of the main drum C, aligned in the axial direction of the main drum C. It is fed from the side and is transferred to a position close to the transfer drum f by the rotation of the main drum C. At this position, the plug in the groove a of the main drum C is attracted to the groove d of the transfer drum f, and the transfer drum A rod-shaped object transfer device is already known in which the rod-shaped object is transferred to the next transfer device g, which is made of an endless rotating belt or the like, by rotation f.

On the outer circumferential surfaces of the core shaft members i and J that rotatably support the main drum C1 and the transfer drum f, air intake cavities connected to an air intake means (not shown) are formed with holes 71 in an appropriate angular range. . That is, at the plug receiving position from the plug manufacturing device to the main drum C, the suction hole at the bottom of the groove a communicates with the cavity and sucks the plug supplied into the groove a, and the main drum C is rotated. Also, this suction state is the transfer drum f
When the groove a reaches the position on the virtual straight line connecting the rotational axis of the main drum C and the axis of the transfer drum f, the suction hole communicates with the cavity. When the plug is cut off, the suction state of the plug in the groove a of the main drum C is released. On the other hand, in the transfer drum f, the suction hole e on the bottom surface of the groove d communicates with the cavity a at a position close to the main drum C, and the plug holder for the transfer device g communicates between the suction hole e and the cavity at a transfer position. It is configured so that the communication with l is cut off. Also main drum C2
At the position on the virtual straight line, the transfer drum f has a rotation locus of the axis of the plug fitted in the groove a of the main drum C and a rotation locus of the axis of the plug fitted in the groove d of the transfer drum f. The positions are set so that they touch each other. Therefore, the plug in the groove a of the main drum C is attracted into the groove d of the transfer drum f, the receiver is passed to the transfer drum f, and the plug in the groove d of the transfer drum f is attracted in a predetermined position. The condition is released and the receiver is transferred to the next transfer device g.

[Problem that the invention seeks to solve]

In the above-mentioned rod-shaped material transfer device, if any trouble occurs in the post-processing device located downstream of the transfer path or the transfer path leading to it, the rod-shaped material transfer device and, by extension, the plug manufacturing device located upstream of the transfer path. I had to stop driving.

Immediately after the plug manufacturing equipment is started, the quality of the manufactured plugs is often unstable due to poor adjustment of various parts of the equipment. It is desirable to switch the plug transfer direction and start transferring the plug to the post-processing device when the quality of the plug has stabilized.
The structure is such that the material is transferred from the main drum C to the transfer drum f, and it is impossible to switch the transfer direction.

In view of the above-mentioned current situation, the present invention provides a
A first transfer drum and a second transfer drum are provided, and as necessary, the rod-shaped object sent to the main drum is transferred from the main drum to the first transfer drum, and from the main drum to the second transfer drum. The present invention provides a rod-like object transfer path switching device that can be switched to a state in which the cigarette filter plug is manufactured and can be suitably used as a transfer path from a cigarette filter plug manufacturing device to a post-processing device.

Means for Solving Problem C] In order to achieve the above object, the present invention provides a main body in which grooves for inserting rod-like objects are formed at regular intervals on the outer peripheral surface and suction holes are formed on the bottom surface of the guide. Close to both sides of the drum, there are provided a first transfer drum and a second transfer drum, each of which has grooves for inserting rod-shaped objects formed at regular intervals on its outer circumferential surface and suction holes formed on the bottom surface of the guide. and the first and second transfer drums are configured to be driven to rotate synchronously so that adjacent drums rotate in opposite directions and the grooves of each drum face each other, and the main drum is rotatably supported. The outer peripheral surface of the core shaft member is provided with an air intake cavity connected to an air intake means, and a rod-like object receiving position from a rod-like object transfer device provided on one side in the axial direction of the main drum to the main drum, and a second side. A nozzle is formed in an angular range that spans a position close to the transfer drum, and is located within the cavity and close to the first transfer drum, and injects air toward the inner end opening of the suction hole of the main drum. A gap for intake air is provided between the tip of the nozzle and the inner peripheral surface of the main drum, and the main drum and the first transfer drum are fitted into the groove of the main drum at positions close to each other. The positional relationship is set such that a gap is formed between the rotation locus of the axis of the rod-shaped object inserted into the groove of the first transfer drum and the rotation locus of the axis of the rod-shaped object fitted in the groove of the first transfer drum. A valve is provided in the supply path, and when the valve is open, the air injected from the nozzle separates the rod-shaped object in the groove of the main drum from the bottom of the groove and moves it into the groove of the first transfer drum. By adsorption, the rod-like object is transferred from the main drum to the first transfer drum, and when the valve is closed, the adsorption state by the main drum is maintained even when passing through the tip of the nozzle, and the rod-shaped object is transferred from the main drum to the first transfer drum. It is configured to send the rods for transfer to the second transfer drum.

[Effect]

According to the above configuration, when the rod-like object adsorbed in the groove of the main drum comes to the front position of the nozzle as the main drum rotates, the rod-like object is slightly moved outward by the air jetted from the nozzle. When it is pushed out and the adsorption state is released, it is simultaneously adsorbed into the groove of the first transfer drum and transferred by the first transfer drum.

When the air supply to the nozzle is cut off, there is a moderate gap between the nozzle tip and the inner peripheral surface of the main drum, so as the main drum rotates, the rod-shaped object in the groove moves to the front position of the nozzle. Even when the rod-like object comes into contact with the rod-shaped object, air is sucked through the gap and the stick-shaped object is maintained in the groove. In addition, the main drum and the first transfer drum have the above-mentioned positional relationship, and even when the groove of the first transfer drum comes to the front position of the nozzle, the bottom surface of the groove of the first drum and the groove of the main drum remain within the groove. A moderate gap is created between the rod-shaped object and outside air is sucked through this gap, so the suction force by the first transfer drum does not reach the rod-shaped object.
Therefore, the rod-shaped object passes directly through the first transfer drum. Then, at the time when the rod-like object is transferred by a predetermined angle by the main drum, the rod-shaped object in the groove of the main drum is attracted to the groove of the second transfer drum, and is transferred by the second transfer drum.

(Example〕 Embodiments of the present invention will be described below based on the drawings.

The drawing shows a transfer path switching device for a cigarette filter plug (hereinafter referred to as rod-like object P), which is an example of a rod-like object, l denotes a main drum that is rotatable in one direction around a substantially horizontal axis; 2 is a first transfer drum provided on one side of the main drum 1, and 3 is a second transfer drum provided on the other side of the main drum 1. These main drums 1. First transfer drum2. A large number of grooves 1a, 2a, 3a for inserting rod-like objects P are formed at regular intervals on the outer peripheral surface of the second transfer drum 3, and a plurality of suction holes 1b, 2b are formed on the bottom surface of the guides 1a, 2a, 3a. , 3b are formed. These main drums 1. The first transfer drum 2 and the second transfer drum 3 have adjacent drums facing in opposite directions and grooves 1a and 2 of each drum.
A, la, and 3a are configured to be rotated in synchronization so that they rotate facing each other. Reference numeral 4 denotes a transfer device having a known structure that continuously supplies the rod-like object P sent out by a rod-like object manufacturing device (not shown) into the groove 1a of the main drum 1 from one side in the axial direction of the main drum 1, for example. It is composed of a guide rail or the like that guides the rod-shaped object P in a slidable manner. 5 is a belt conveyor that carries and transfers the rod-shaped object P received from the first transfer drum 2 toward the main post-processing device; 6 is a pair of auxiliary belt conveyors provided above the belt conveyor 5 to face each other; Reference numeral 7 designates a pair of belt conveyors for loading and transporting the rod-shaped objects P received from the second transfer drum 3 toward an auxiliary post-processing device. The auxiliary belt conveyor 6 and the belt conveyor 7 are connected to the first transfer drum 2 and the second transfer drum 3 so that there is no problem in adsorbing the rod-like objects P to the grooves 2a and 3a of the first transfer drum 2 and the second transfer drum 3. An annular groove 20.3 formed on the outer peripheral surface of 3
C, so that the outer circumferential surface of the belt is flush with the bottom surfaces of the grooves 2a and 3a, or positioned slightly closer to the rotation axis. 8 is a guide plate provided along the belt conveyor 7. Reference numeral 9 denotes a stopper provided at one end of the main drum 1, and the tip of the rod-shaped object P sent from the transfer device 4 into the groove la of the main drum L comes into contact with this stopper 9 and is positioned. It is configured as follows.

lO is a core shaft member that rotatably supports the main drum l;
11 is a core shaft member that rotatably supports the first transfer drum 2, and 12 is a core shaft member that rotatably supports the second transfer drum 3.

The outer circumferential surface of the core shaft member 10 of the main drum 1 has an appropriate angular range, that is, a rod-like object receiving position from the transfer device 4 to the main drum 1 and a position close to the second transfer drum 3 (
Specifically, the axis of the main drum 1 and the second transfer drum 3
An air intake cavity 13 is formed across the imaginary straight line connecting the axes of the engine (which is slightly downstream in the rotational direction), and the air intake cavity 13 is connected to an air intake means (not shown) via a ventilation pipe 14. There is.

Core shaft member 11 of first transfer drum 2 and second transfer drum 3
A similar air intake cavity 15,16 connected to an air intake means (not shown) is also formed in the core shaft member 12. The cavity 15 on the side of the first transfer drum 2 is located at a position close to the belt conveyor 5 from a position slightly above the imaginary straight line connecting the axis of the main drum 1 and the axis of the first transfer drum 2 in the rotational direction. The cavity 16 on the second transfer drum 3 side is formed at a position close to the main drum 1 (specifically,
The belt conveyor 7 is located at an appropriate angle away from the imaginary straight line connecting the axis of the main drum 1 and the axis of the second transfer drum 3. It is formed over a position slightly above the position away from the transfer drum 3 in the rotational direction.

As shown in FIG. 5, the main drum 1 and the second transfer drum 3 have an axis PI of the rod-like object P attracted in the groove la, an axis P of the rod-like object P attracted in the groove 3a, In other words, the rotation locus of the axis P1 and the axis P3 match or substantially match.
The positional relationship is set such that the rotation locus substantially contacts the rotation locus.

Then, the groove 3 of the second transfer drum 3 is arranged so that the outer circumferential surface of the second transfer drum 3 does not come into contact with the outer circumferential surface of the main drum 1.
The width of a is set to be narrower than the width of the groove 1a of the main drum 1, and the outer peripheral surface portion located between the grooves 3a is also recessed in the shape of a groove.

As shown in FIG. 4, the main drum 1 and the first transfer drum 2 have an axis P1 of the rod-like object P attracted in the groove la, an axis P2 of the rod-like object P attracted in the groove 2a, and The positional relationship is set so that they do not overlap, that is, a gap is formed between the rotation locus of the axis P and the rotation locus of the axis P2.

A position within the cavity 13 of the core shaft member 10 of the main drum 1 and close to the first transfer drum 2 (specifically, a virtual straight line connecting the shaft center of the main drum 1 and the shaft center of the first transfer drum 2) upper position), the suction hole 1b of the main drum 1
A nozzle 17 is provided to inject air toward the inner end opening. The tip of the nozzle 17 is not in contact with the inner circumferential surface of the main drum 1, and a gap for intake air is formed between the tip of the nozzle 17 and the inner circumferential surface of the main drum 1.

19 is an electromagnetic pulp interposed in the air supply path 20 to the nozzle 17.

When the electromagnetic pulp 19 is open, the air injected from the nozzle 17 fills the grooves la of the main drum 1.
Transferring the rod-like object P from the main drum 1 to the first transfer drum 2 by separating the rod-like object P inside the groove 1a from the bottom surface of the groove 1a and adsorbing it into the groove 2a of the first transfer drum 2,
When the electromagnetic pulp 19 is closed, the main drum 1 maintains the suction state even when the electromagnetic pulp 19 passes the tip of the nozzle 17, and the main drum 1 moves from the main drum 1 to the second transfer drum 3.
It is configured to transport a rod-shaped object P to and from.

That is, the rod-shaped object P adsorbed in the groove la of the main drum 1
When it is transferred to the front position of the nozzle 17, it is pushed outward by the air jetted from the nozzle 17, and the suction state by the groove 1a is released, and at the same time, the suction effect by the groove 2a of the first transfer drum 2 is released. It is received and sucked into the groove 2a. When the electromagnetic valve 19 is closed and air is not injected from the nozzle 17, even if the rod-shaped object P attracted in the groove la is transferred to the front position of the nozzle 17, the tip of the nozzle 17 and the main drum 1
There is a gap 18 between the inner circumferential surfaces, and air is taken in through this gap 18, so that the suction state by the groove 1a is maintained.Moreover, the main drum 1 and the first transfer drum 2 are in the above-mentioned positional relationship, and the air is taken in through the gap 18. Since there is a gap between the bottom surface of the groove 2a of the first transfer drum 2 and the rod-shaped object P in the groove la that has come to the front position of the nozzle 17, the rod-shaped object P is not affected by the suction force on the first transfer drum 2 side. I don't accept it. Therefore, the rod-shaped object P is transferred to the second transfer drum 3 side by the main drum 1.

When the rod-like object P is transferred by the main drum 1 to a position on the virtual straight line connecting the axis of the main drum 1 and the axis of the second transfer drum 3, both sides of the rod-like object P are the bottom surface of the groove 1a. However, as the suction state by the groove 1a is cut off by exceeding the end position of the cavity 13, the groove 3a of the second transfer drum 3 is in contact with the bottom surface of the groove 3a.
It is absorbed inside.

According to the above configuration, when a trouble occurs in the main post-processing device etc. located downstream of the belt conveyor 5, the rod-shaped object P is transferred from the main drum 1 to the second transfer drum by closing the electromagnetic valve 19. 3 and then to an auxiliary post-processing device downstream of the belt conveyor 7. Therefore, even if trouble occurs in the main post-processing device, there is no need to stop the operation of the device for producing rod-like objects P.

Furthermore, when starting the apparatus for producing the rod-shaped object P, the electromagnetic valve 19 is closed until the quality of the rod-shaped object P is stabilized, and the quality of the rod-shaped object P taken out to the second transfer drum 3 is inspected. It is possible to open the electromagnetic valve 19 at a stable point and start transferring to the first transfer drum 2 side.

〔Effect of the invention〕

The present invention has the above-mentioned configuration, and by simply opening and closing the pulp, it is possible to switch between a state in which a rod-shaped object is transferred from the main drum to the first transfer drum and a state in which it is transferred from the main drum to the second transfer drum. can. Therefore, if the device of the present invention is used, for example, by interposing it in a transfer path between a rod-shaped object manufacturing device, a main post-processing device, and an auxiliary after-processing device, the main post-processing device can transfer the rod-like objects. Even if a trouble occurs that would require stopping the bar-shaped product manufacturing device, switching the transfer direction to the auxiliary post-processing device provides advantages such as not having to stop the operation of the bar manufacturing device.

[Brief explanation of drawings]

1 to 5 show an embodiment of the present invention, in which FIG. 1 is a perspective view, FIG. 2 is a longitudinal sectional front view of the main part, FIG. 3 is a cross-sectional plan view of the main part, and FIGS. Figure 5 is an enlarged cross-sectional view of the main parts. FIG. 6 is an explanatory diagram of a conventional example. P... Rod-shaped object, 1... Main drum, la, 2a. 3a...groove, lb, 2b, 3b...suction hole, 2...
・First transfer drum, 3...Second transfer drum, 10.1
1゜12... Core shaft member, 13, 15.16... Intake cavity, I9... Pulp.

Claims (1)

[Claims] Grooves for inserting rod-shaped objects are formed at regular intervals on the outer circumferential surface,
Suction holes were formed on the bottom of each groove. Grooves for inserting rod-like objects were formed at regular intervals on the outer peripheral surface of the main drum, adjacent to both sides of the main drum, and suction holes were formed on the bottom of each groove. A transfer drum and a second transfer drum are provided, and the main drum and the first and second transfer drums are synchronously driven to rotate so that adjacent drums rotate in opposite directions and the grooves of each drum face each other. A rod-shaped member provided on one side in the axial direction of the main drum has an air intake cavity connected to an air intake means on the outer peripheral surface of the core shaft member that rotatably supports the main drum. A suction hole of the main drum is formed in an angular range extending from a rod-like object receiving position from the transfer device to the main drum and a position close to the second transfer drum, and is located within the cavity and close to the first transfer drum. A nozzle that injects air toward the inner end opening is provided with an air intake gap between the tip of the nozzle and the inner circumferential surface of the main drum, while the main drum and the first transfer drum are connected to both sides. At a position close to the drum, a gap is formed between the rotation locus of the axis of the rod-shaped object fitted into the groove of the main drum and the rotation trajectory of the axis of the rod-shaped object fitted into the groove of the first transfer drum. A valve is provided in the air supply path to the nozzle, and when the valve is open, the air injected from the nozzle grooves the rod-shaped object in the groove of the main drum. The rod-shaped object is transferred from the main drum to the first transfer drum by being separated from the bottom surface and adsorbed in the groove of the first transfer drum, and when the valve is closed, the rod-like object passes through the tip of the nozzle. At times, the main drum maintains the adsorption state,
1. A transfer path switching device for rod-shaped objects, characterized in that the device is configured to transfer the rod-shaped objects from a main drum to a second transfer drum.