JPH0719763Y2 - Finishing device for inner wall of Hume pipe - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fume tube inner wall finishing apparatus for molding an inner wall surface of a fume tube in a manufacturing process of the fume tube.

[0002]

2. Description of the Related Art Centrifugal force molding of a fume tube is carried out in manufacturing the fume tube, and at this time, finishing work is performed to smooth the inner wall surface of the tube. In general, this work is performed by a worker who hits the inner wall of the fume tube rotating at a high speed with a trowel or the like to eliminate irregularities.

[0003]

As described above, since the conventional finishing work is performed manually on the high-speed rotating fume pipe, it is not only dangerous, but also white by the vibration of the iron or the like that hits the inner surface of the pipe. There are problems such as waxing and the fact that the cement powder generated in the finish may impair health. For this reason, there has been a demand for mechanization of the inner wall of the fume tube, but it is still unrealizable.

In view of the above-mentioned conventional problems, the present invention makes it possible to finish the inner wall of the fume pipe by a remote operation without directly receiving vibration from a trowel or the like. It is intended to provide a device.

[0005]

The structure of the device of the present invention for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
3 is provided on a carriage 1 which can travel freely on a rail 3, and a machine frame 9 provided with a sliding rod 10 which is moved in a direction orthogonal to the rail 3 is vertically adjustable. Formed long in the direction orthogonal to the moving rod 10 and finished at the tip.
The rocking rod 15 to which the 17 is attached is normally urged 19 so that the tip end side returns toward the sliding rod 10, and pivotally attached 16, and the base end of the rocking rod 15 is attached to the machine frame 1. It is characterized in that a wire 22 for connecting the wire 22 for releasing the urging of the oscillating rod 15 to oscillate by operating the lever 20 provided is attached.

Further, in the apparatus according to the second aspect, the bogie 1 which can travel on the rails 3 and 3 is provided with a sliding rod 10 which is moved in a direction orthogonal to the rails 3, and the machine frame 9 is adjusted up and down. The sliding rod 10 is freely provided and is formed long at the tip of the sliding rod 10 in a direction orthogonal to the sliding rod 10. A swinging rod 15 having a finishing tool 17 attached to the tip of the sliding rod 10 is always attached to the tip of the sliding rod. The pivot rod 16 is urged 19 so as to return toward the pivot shaft 16, and is pivotally attached 16 to the base end portion of the swing rod 15 by operating a lever 20 provided at a proper position of the slide rod 10.
It is characterized in that a wire 22 for releasing the urging of the member 15 and swinging the member 15 is bonded.

[0007]

In the above apparatus, the sliding rod 10 is supported by the pinion 12 and the supporting rollers 13, 13, and by rotating the pinion 12, the transverse direction of the rail 3, that is, the fume tube 2
Is moved along the length of. The height of the sliding rod 10 is adjusted by adjusting the height of the machine frame 9 by operating the lifting device 8. Further, the position of the sliding rod 10 in the transverse direction with respect to the fume tube 2 can be adjusted by adjusting the position of the carriage 1 on the rail 3 by rolling the wheels.

The finishing work on the inner wall of the fume tube 2 is carried out by bringing the finishing tool 17 attached to the swing rod 15 at the tip of the sliding rod 10 into contact with the inner wall of the rotating fume tube 2.
The operation of the finishing device 17 will be described with reference to the schematic diagram of FIG.
The finishing tool 17 at the tip thereof is normally urged by the elastic force of (1) in the direction away from the inner wall of the fume tube 2 as shown by the arrow a, that is, in the direction approaching the sliding rod 10. Then, by rotating the lever 20 as indicated by the dotted arrow b, the wire 22 attached to the lever 20 is pulled, and the swing rod 15 is returned to the return spring 19.
The finishing tool 17 comes into contact with the inner wall of the fume tube 2 by rotating in the direction of the dotted arrow b against the elasticity of the fume tube 2. When the lever 20 is released, the turning force to the swing rod 15 is lost, so
The oscillating rod 15 is returned to its original state by the action of the return spring 19, and the finishing device 17 is separated from the inner wall of the fume tube 2.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the device of the present invention will now be described with reference to the drawings, in which 1 is a dolly, and a direction traversing the fume tube 2 outside one end of the fume tube 2 centrifugally molded by high-speed rotation. Rails 3, 3 installed on wheels 3, 4
It is mounted via the motor 4 and can be driven by the motor 5. A guide plate 6 provided with vertical rails 7, 7 and a lifting device 8 by fluid pressure are erected on the carriage 1, and the upper end of the lifting device 8 is engaged with the rails 7, 7 and slides. A freely movable machine frame 9 is provided and can be elevated and lowered along the rails 7 and 7 by extension and contraction of the elevation device 8.

Inside the machine frame 9, a sliding rod 10 having a rack 11 formed over substantially the entire length of the lower surface is arranged substantially horizontally in the direction orthogonal to the rail 3 on which the truck 1 travels, and the rack teeth on the lower surface are the motors. It is meshed with the rotating pinion 12, and bearing rollers 13, 13 are abutted on the upper surface thereof, so that the rotation of the pinion 12 causes the supporting roller 13, 13 to move horizontally with respect to the machine frame 9.

A seat plate 14 is attached to the front end of the sliding rod 10, and an L-shaped swing rod 15 is attached to the seat plate 14.
Is pivotally attached to a support shaft 16 protruding from the seat plate 14 at an intermediate portion thereof, and is provided slidably in the cross-sectional direction of the sliding rod 10, and at the tip end of the swing rod 15, A tool 17 for finishing such as a trowel is detachably attached to the tip. Also a seat plate
A spring bearing 18 is provided on the 14 so as to project from the base end portion of the rocking rod 15. A return spring 19 is interposed between the spring bearing 18 and the base portion of the rocking rod 15, and the rocking rod 15 is provided. The finishing tool 17 attached to the tip of 15 is urged in the direction of returning to the sliding rod 10 as shown by the arrow a in FIGS. 4 and 5.

On the other hand, the machine frame 9 is provided with a lever 20 having an intermediate portion pivotally mounted 21 so as to be rotatable as shown by an arrow in FIG.
One end of a wire 22 for operation is bonded to the base end thereof, and the other end of the wire 22 is inside the guide tubes 23a, 23b, 23c spaced in the longitudinal direction of the machine frame 9 and the sliding rod 10. Through the guide pulley 24 provided on the seat plate 14 and is bound 25 to the base end portion of the swing rod 15. Therefore, when the lever 20 is rotated in the direction of the dotted arrow b in FIGS. 1 and 5, the wire 22 is pulled and the base end of the swing rod 15 bonded to the tip of the wire 22 is resisted against the return spring 19. The swing rod 15 rotates about the support shaft 16 as shown by the dotted arrow b in FIGS. 4 and 5 to rotate the finishing tool 17 at the tip. It comes into contact with the inner wall of the fume tube 2 that is in use. At that time, the strength of contact of the finishing device 17 with the inner wall of the fume tube is
It depends on the amount of rotation of the lever 20 that pulls the wire 22. Then, when the lever 20 is released, the pulling force of the wire 22 is released, so that the rocking rod 15 is rotated in the direction of arrow a in FIGS. Returning, the finishing device 17 will be separated from the inner wall of the fume tube 2 and the wire 22 will be pulled in the opposite direction
20 will also return to the original state.

In the above embodiment, the lever 20 is provided on the machine frame 9, but the lever 20 may be provided at an appropriate position on the sliding rod 10. For example, as shown in FIG. 6, a bracket 26 is attached to the rear end portion of the sliding rod 10, the middle portion of the lever 20 is pivotally attached 21 to this, and one end of an operating wire 22 is attached to the base end of the lever 20. It will be united.

In order to finish the inner wall of the fume tube 2 using the device of the present invention, the device is positioned on the 1 side of the fume tube 2 and the tip of the sliding rod 10 is inserted into the fume tube 2. The finishing tool 17 is brought close to the inner wall. Then, the lever 20 is operated to bring the finishing tool 17 into contact with the inner wall to smooth the inner wall irregularities and finish the inner wall surface to be smooth. The positioning for bringing the finishing tool 17 close to the inner wall of the Hume pipe is
The horizontal direction of the fume tube 2 can be adjusted by adjusting the position of the carriage 1 on the rails 3 and 3, and the height direction of the fume tube 2 can be adjusted by adjusting the height of the lifting device 8. Further, in the finishing work, the finishing implement 17 is moved while moving in the length direction of the fume tube 2, and the movement can be performed by rotating the pinion 12 and moving the sliding rod 10.

As the finishing tool 17, it is preferable to use a trowel, spatula, brush or the like depending on the required degree of finishing of the inner wall surface. In such a case, various finishing tools 17 should be prepared and shaken. It can be performed by changing it to the tip of the moving rod 15.

[0016]

As described above, according to the device of the present invention, the device is stopped at one side of the fume tube, the sliding rod is inserted into the fume tube, and the lever provided on the machine frame is operated. By doing so, the finishing tool can be brought into contact with the inner wall of the fume tube for finishing. Therefore, a person can work in a place away from the high-speed rotating fume tube, and can work safely, and since the person does not have the finishing equipment directly, it is possible to reduce white wax disease caused by vibration. become. The finishing tool is always urged in a direction away from the inner wall of the fume pipe and comes into contact with the inner wall by operating the lever.Therefore, the pressure contact force to the inner wall of the finishing tool can be arbitrarily adjusted to achieve a predetermined finish. It can be done easily. Furthermore, since the sliding rod can be moved along the rails of the device, the height can be adjusted by the lifting device, and can be moved along the length of the fume pipe, positioning and finishing movements during finishing work can be performed easily and reliably. It has many advantages such as being able to work efficiently.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a front sectional view of the same.

FIG. 3 is a side view of a tip portion of a sliding rod.

FIG. 4 is a front sectional view of the same.

FIG. 5 is an operation explanatory view of a sliding rod.

FIG. 6 is a side view showing another embodiment of the present invention.

[Explanation of symbols]

 1 bogie 2 fume tube 3 rail 4 wheel 8 lifting device 9 machine frame 10 sliding rod 11 rack 12 pinion 15 rocking rod 16 supporting shaft 17 finishing device 18 seat plate 19 return spring 20 lever 22 wire 24 pulley

Claims (2)

[Scope of utility model registration request] 1. A bogie having a rail that can travel freely is provided with a machine frame provided with a sliding rod that is moved in a direction orthogonal to the rail so that the frame can be adjusted up and down, and the tip of the sliding rod slides. The rocking rod, which is long in the direction orthogonal to the rod and has a finishing tool attached to the tip, is normally urged so that the tip side returns toward the sliding rod, and is pivotally attached. At the base end,
A finishing device for an inner wall of a fume tube, wherein a wire for binding the swing rod by swinging the swing rod by operating a lever provided on the frame is attached. 2. A bogie having a rail that can travel freely is provided with a machine frame provided with a sliding rod that is moved in a direction orthogonal to the rail so that the frame can be adjusted up and down, and the tip of the sliding rod slides. The rocking rod, which is long in the direction orthogonal to the rod and has a finishing tool attached to the tip, is normally urged so that the tip side returns toward the sliding rod, and is pivotally attached. At the base end,
A finishing device for an inner wall of a fume tube, characterized in that a wire for binding the swing rod by swinging the swing rod by operating a lever provided at a proper position of the slide rod is attached.