JPH06321332A - Carrying device for tubular body - Google Patents

Abstract

PURPOSE:To carry plural tubular bodies in a complete horizontal direction or a slightly upward gradient direction. CONSTITUTION:Plural rotary carrying members 13 are provided at given pitches on the side parts of skid rails 11 to which plural tubular bodies 18 are juxtaposed at the fixed pitches in horizontal and parallel. The base ends of first and second guide levers 15 and 16 are rotatably supported on the carrying members 13, and the tips of these guide levers are placed on pins 27 and horizontal spindles 24 in the carrying members 13 in the next stage. By the rotation of the carrying members 13 in a front or rear direction, the tubular bodies 18 are constantly pushed on by both the guide levers 15 and 16 to be carried while prevented from moving backward.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention supports a plurality of tubular bodies horizontally and in parallel between a plurality of work stations such as a plurality of processing and testing stations in a cast iron pipe manufacturing facility, and the tubular bodies. The present invention relates to a transporting device for a tubular body for sequentially feeding at a constant pitch.

[0002]

2. Description of the Related Art Conventionally, in this type of conveying apparatus, as shown in FIG. 7, a conveying member 2 is arranged to be vertically movable along the side of a skid rail 1, and the upper surface of the skid rail 1 is A plurality of recesses 4 for arranging a plurality of tubular bodies 3 horizontally and in parallel at a constant pitch are formed.
At the position corresponding to the concave portion 3 on the upper surface of the transport member 2,
A plurality of saw-toothed guide portions 5 are formed in the front-down direction in the transport direction.

When transporting a plurality of tubular bodies 3 juxtaposed on the recess 4 of the skid rail 1, the transport member 2 is first raised to guide the tubular body 3 on the recess 4 to the transport member 2. Part 5 receives and lifts. Then, the lifted tubular body 3 rolls forward on the guide portion 5. Subsequently, the transport member 2 is lowered, the tubular body 3 is transferred onto the skid rail 1, and is rolled onto the next recess 4. After that, the above operation is repeated, and the tubular body 3 is sequentially fed at a constant pitch.

[0004]

However, in the above-mentioned conventional conveying apparatus, in order to roll the tubular body 3 on the skid rail 1, it is necessary to make the entire skid rail 1 slightly downwardly inclined. . Therefore, there is a problem that the tubular body 3 cannot be conveyed in a completely horizontal direction or in a slightly upward gradient direction.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to solve such a problem and to allow the tubular body to be transported in a completely horizontal direction or even in a slight upward gradient direction.

[0006]

In order to achieve the above object, the present invention is directed to a skid rail for transporting a plurality of tubular bodies arranged in parallel horizontally and at a fixed pitch, and a horizontal skid arranged laterally of the skid rail. A plurality of plate-shaped conveying members that are rotatably supported by the shaft at the fixed pitch and have a V-shaped tubular body guide portion on the peripheral edge thereof, and the plate-shaped conveying members rotate in conjunction with each other. A connecting member that connects these plate-shaped transport members in an interlocking manner, a drive device that rotates the plate-shaped transport member, and a portion of one side surface of the plate-shaped transport member that is rearward of the horizontal axis in the transport direction. The base end is rotatably supported, the tip is placed on the support member on one side surface of the plate-shaped conveying member of the next stage, and the upper surface is inclined forward and downward in the conveying direction, Plate-shaped transport member A tubular body that can be pushed forward in the transport direction when the tubular body is placed on the skid rail at a position corresponding to the tubular body guide portion of the plate-shaped transport member when it is rotated toward the front. The first guide lever for body pushing and the base end is rotatably supported at the front side of the other side surface of each plate-shaped transport member in the transport direction with respect to the horizontal axis, and the plate-shaped transport of the next stage is performed. When the tip is placed on the support member on the other side surface of the member, the upper surface is inclined forward and downward in the transport direction, and the plate-shaped transport member is rotated rearward in the transport direction. A second guide for extruding a tubular body capable of receiving a tubular body already extruded from the above-mentioned plate-like conveying member and extruding the tubular body onto a skid rail corresponding to the guide portion of the next plate-like conveying member. Structure with rails It is obtained by the.

[0007]

With this structure, when the pipe on the skid rail is conveyed, the plate-like conveying member is first rotated by the driving device. Then, the base end side of the first guide lever is lifted, and the tubular body guided by the guide portion of the plate-shaped transport member on the skid rail is pushed forward by the first guide lever in the transport direction. During this time, the base end of the second guide lever descends, allowing the tubular body to pass through the position of the base end.

Next, the plate-shaped conveying member is rotated rearward by the driving device. Then, the base end side of the first guide lever is lowered, and at the same time, the base end side of the second guide lever is raised. As a result, the tubular body is passed from the first guide lever to the second guide lever, and is further forwarded in the transport direction by the second guide lever, and is placed on the skid rail corresponding to the guide portion of the plate-shaped transport member at the next stage. Is pushed to. After that, by repeating this operation, the plurality of tubular bodies are sequentially fed. At that time, the tubular body is constantly pushed forward by the first and second guide levers and guided by the guide portion of the plate-like conveying member, and is prevented from moving rearward in the conveying direction. Therefore, even if the conveying direction is a completely horizontal direction or a slightly upward gradient direction, the tubular body can be conveyed without any trouble.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIGS. 1 and 2, reference numeral 11 designates a skid rail, which is provided in a pair on the left and right along the carrying direction (only one side is shown). Inside the skid rail 11, a plurality of positioning rollers 12 which are rotatable around an axis in the direction of the skid rail 11 are provided at equal pitches in the transport direction. The skid rail 11 is provided with a plurality of recesses 19 for arranging a plurality of tubular bodies 18 in parallel with each other in a horizontal direction at a constant pitch, and a stopper 20 is provided at the front end facing the transport direction.
Is provided. The positioning roller 12 is a tubular body on the recess 19.
The position of the roller 18 is adjusted in the longitudinal direction, and the roller body 22 is rotatably attached to a bracket 21 provided at a position corresponding to the recess 19 on the inner surface of the skid rail 11.

A plurality of conveying members 13 are provided outside the skid rail 11. The transport member 13 is disc-shaped, has a V-shaped tubular body guide portion 23 at its peripheral portion, and is rotatably supported by a horizontal shaft 24 provided at a position corresponding to the concave portion 19 on the outer surface of the skid rail 11. Has been done. The respective transport members 13 are connected by a connecting member 14. This connecting member
Reference numeral 14 is a rod-like shape, and is connected via pins 25 so as to interlock with each transport member 13 so as to rotate.

Each conveying member 13 is provided with a first guide lever 15. The first guide lever 15 is a conveying member.
The base end of the outer surface of 13 is rotatably supported by a pin 26 on the rear side of the horizontal shaft 24 in the transport direction.
Further, the tip is placed on the pin 27 protruding from the outer surface of the conveying member 13 in the next stage, and the upper surface thereof is inclined forward and downward toward the front. The frontmost first guide lever 15 has its tip mounted on a pin 28 protruding from the outer surface of the skid rail 11.

Each transport member 13 is also provided with a second guide lever 16. The base end of the second guide lever 16 is rotatably supported by a pin 29 on the inner surface of the transport member 13 which is located on the front side of the horizontal shaft 24 in the transport direction. Further, the leading end is placed on the horizontal shaft 24 of the transport member 13 of the next stage, and the upper surface is inclined forward and downward toward the front. It should be noted that the foremost conveying member 13 is not provided with the second guide lever 16.

Drive device 17 for rotating the transport member 13
Is provided. In this drive device 17, the rear end of a cylinder 30 which is pneumatically or hydraulically operated is mounted on a bracket 32 via a pin 31.
It is rotatably supported by the arm portion 35 provided on the rearmost conveying member 13 via the pin 34 at the tip of the action rod 33.
Is rotatably connected to.

In the carrying device having such a structure, as shown in FIG.
In order to convey a plurality of tubular bodies 18 which are juxtaposed horizontally and in parallel at a constant pitch on the recessed portion 19 of the skid rail 11 as shown in FIG. 1, first, as shown in FIG. Rotate forward in the direction. Then, the guide portion 23 of the transport member 13 lifts the tubular body 18 from the recess 19. At that time, the first guide lever 15 moves upward in parallel while keeping the upper surface in the front downward direction, and receives the tubular body 18 from the guide portion 23 on the upper surface. Transport member
As the rotation of 13 progresses, the first guide lever 15 moves to the position shown in FIG.
As shown in FIG. 3, the tubular body 18 received by the upper surface inclined forward and downward is rolled so as to be pushed forward in the skid rail 11 and is forwarded to the front side of the transport member 13. During this, the second guide lever 16 is
The rotation of 13 lowers its base end, allowing the tubular body 18 to pass through the position of this base end.

When the tubular body 18 approaches the next conveying member 13, the foremost tubular body 18 has already been fed onto the recess 19 in the vicinity of the stopper 20. At this point, as shown in FIG. 5, the cylinder 30 rotates the conveying member 13 rearward in the conveying direction. As a result, the first guide lever
At the same time as 15 descends in parallel, the second guide lever
The base end of 16 rises, and the upper surface inclines again forward and downward.
At that time, the second guide lever 16 receives the tubular body 18 from the first guide lever 15 on its upper surface, and, like the case of the first guide lever 15, the tubular body 18 received by the upper surface inclined forward and downward is directed forward. Then, the skid rail 11 is rolled toward the concave portion 19 corresponding to the guide portion 23 of the conveying member 13 in the next stage.

Then, as shown in FIG. 6, when all the tubular bodies 18 have been fed into the next recess 19 and the transport member 13 and both guide levers 15 and 16 have returned to their original positions, transport by the cylinder 30 is performed. The rearward rotation of the member 13 is stopped. At this time, the second guide lever 16 holds the tubular body 13 on the recessed portion 19 by the upper surface inclined forward and downward, and prevents the tubular body 18 from retreating.

The tubular body 18 fed into the foremost recess 19
Are transferred elsewhere by suitable means such as a crane, in preparation for the subsequent transport of tubular body 18. After that, by repeating the above operation, the plurality of tubular bodies 18 can be sequentially fed at a constant pitch.

[0018]

As described above, according to the present invention, the first
Since the tubular body can be continuously pushed forward by the second guide lever, and the tubular body can be prevented from moving rearward in the transport direction by being guided by the guide portion of the plate-shaped transport member. The tubular body can be reliably transported even when the transport direction is a completely horizontal direction with no downward slope or even a slight upward slope direction.

[Brief description of drawings]

FIG. 1 is a plan view of a main part of a transporting device for a tubular body according to an embodiment of the present invention.

FIG. 2 is a front view of the tubular body transport device of FIG.

FIG. 3 is a front view showing an operating state of the device.

FIG. 4 is a front view showing a further operation state of the device.

FIG. 5 is a front view showing a further operation state of the device.

FIG. 6 is a front view showing a further operation state of the device.

FIG. 7 is a schematic view showing an example of a conventional tubular body transport device.

[Explanation of symbols]

 11 Skid rail 13 Conveying member 14 Connecting member 15 First guide lever 16 Second guide lever 17 Drive device 18 Tubular body 23 Guide part 24 Horizontal axis

Claims (1)

[Claims] 1. A skid rail for horizontally and parallelly transporting a plurality of tubular bodies arranged in parallel at a constant pitch, and a horizontal shaft arranged laterally of the skid rail rotatably supported at the constant pitch, A plurality of plate-shaped conveying members each having a V-shaped tubular body guide portion on the peripheral edge thereof, and a connecting member that interlockably connects the plate-shaped conveying members so that the plate-shaped conveying members rotate in conjunction with each other. A drive device for rotating the plate-shaped transfer member, and a base end rotatably supported by a portion of one side surface of the plate-shaped transfer member rearward of the horizontal axis in the transfer direction, and The tip is placed on the support member on one side of the stepped plate-like conveying member, and the upper surface is inclined forward and downward in the conveying direction, and the plate-like conveying member is rotated forward in the conveying direction. When this is a plate A first guide lever for pushing out a tubular body that can push out the tubular body placed on the skid rail at a position corresponding to the tubular body guide portion of the feeding member in the forward direction in the transport direction, and each plate-shaped transport member. The base end is rotatably supported by the front side of the other side in the transport direction with respect to the horizontal axis, and the tip is placed on the support member on the other side of the plate transport member of the next stage. The tubular body already pushed out from the plate-shaped transport member when the plate-shaped transport member is turned rearward in the transport direction with the upper surface inclined forward and downward in the transport direction. And a second guide rail for pushing out a tubular body capable of pushing this tubular body onto a skid rail corresponding to a guide portion of a plate-shaped conveying member at the next stage, and a tubular body conveying apparatus.