JP4515889B2 - Cleaning device for hollow shaft - Google Patents

Description

  The present invention relates to a cleaning device for a hollow shaft, and more particularly to a cleaning device for a hollow shaft having both ends open, such as a golf club shaft.

  Golf club shafts made of fiber reinforced resin, fishing rods, badminton racket shafts, automobile drive shafts, bicycle frame materials, industrial machine rolls used in printing machines, rod-like members such as eyeglass frame materials, fiber reinforced resin compositions When manufacturing a hollow shaft used for a golf club shaft, a plurality of prepreg sheets formed of reinforcing fibers and a matrix resin are wound around the surface of a rod-shaped mandrel in a laminated state, and this is thermoset in a furnace. Further, by pulling out the mandrel, a hollow shaft having both ends opened is obtained. (See Patent Document 1)

  The hollow shaft manufactured in this way is cut into a predetermined length, and after further polishing, the chips and polishing powder are removed by washing with water, and then sent to the coating process.

JP-A-6-114131

In the above-described water washing of the hollow shaft, an operator puts several tens of shafts in a washing tank, puts them in a washing bath, and then scrubs them, then puts them in a dryer and dries them with hot air.
Such a cleaning method has a problem that the shaft located near the center of the bundle is not sufficiently cleaned. On the other hand, when the number of shafts to be bundled is reduced, there is a problem that the production efficiency is lowered. Furthermore, there is also a problem that the inside of the hollow shaft cannot be sufficiently cleaned.

  This invention is made | formed in view of such a problem, and it aims at providing the washing | cleaning apparatus which can wash | clean a hollow shaft efficiently.

According to the present invention,
A cleaning tank in which the hollow shaft is cleaned with cleaning water;
A supply mechanism that is provided on one end side of the cleaning tank and supplies the hollow shaft to the cleaning tank; and a transport mechanism that transports the hollow shaft supplied to one end of the cleaning tank to the other end of the cleaning tank; ,
A drying mechanism provided on the other end side of the cleaning tank and drying the hollow shaft cleaned in the cleaning tank;
The transport mechanism is disposed between one end portion and the other end portion of the cleaning tank, a pair of endless transport belts arranged in parallel in the width direction of the cleaning tank, and the transport belt is driven to rotate. A drive mechanism,
Each of the conveying belts includes a plurality of shaft receiving portions that receive the hollow shaft in parallel to a direction orthogonal to the driving direction of the conveying belt, and the shaft receiving portions are made of a flexible material, and the hollow shaft is A pair of rising portions sandwiched between them, arranged at regular intervals along the driving direction of the conveyor belt,
Furthermore, the supply mechanism includes a pair of guide rails and a stopper that intermittently protrudes upward from below the guide rails.
A hollow shaft cleaning device is provided.

According to such a configuration, the hollow shaft is received in the shaft receiving portion of the transport belt and transported through the cleaning tank in a state of being arranged orthogonal to the transport direction. Powder is removed.
According to such a structure, a shaft is reliably received by a shaft receiving part, and is hold | maintained in a shaft receiving part.

According to another preferred aspect of the present invention, the shaft receiving portion includes a hollow shaft received in one shaft receiving portion and a hollow shaft received in a shaft receiving portion adjacent to the one shaft receiving portion. They are arranged so that there is a gap between them.

  According to such a configuration, during cleaning, a predetermined space is formed between the hollow shaft and the hollow shaft connected to the hollow shaft, and cleaning water can flow through this space. As a result, the outer surface of the hollow shaft is efficiently cleaned.

  According to another preferred aspect of the present invention, the drive mechanism intermittently drives the transport belt to rotate, and the supply mechanism is accommodated in the accommodating portion that accommodates the hollow shaft before cleaning, and is accommodated in the accommodating portion. And a feeding means for intermittently feeding the unwashed hollow shaft to the transport mechanism in synchronization with the drive mechanism.

  According to such a configuration, the hollow shafts are fed one by one from the supply mechanism, and the hollow shafts are reliably received by the shaft receiving portion.

  According to another preferred aspect of the present invention, an ultrasonic wave generating means for generating an ultrasonic wave in the cleaning tank, and a water flow for generating a water flow in the cleaning tank that flows in a direction perpendicular to the transport direction of the transport belt. Generating means.

  According to such a configuration, cleaning of the outer surface of the hollow shaft is promoted by ultrasonic waves, and further, water flow perpendicular to the conveying direction flows into one end of the hollow shaft, so that cleaning of the inside of the shaft is also promoted. The

  According to such a configuration, a cleaning device capable of efficiently cleaning a hollow shaft such as a golf club shaft is provided.

  A configuration of the cleaning apparatus 1 according to a preferred embodiment of the present invention will be described in detail with reference to the drawings. The cleaning device 1 is a cleaning device for cleaning a golf club shaft, which is a hollow shaft with both ends open. FIG. 1 is a schematic perspective view showing a schematic configuration of the cleaning device 1.

  As shown in FIG. 1, the cleaning apparatus 1 includes a cleaning tank 2 that cleans the shaft S with cleaning water. The cleaning tank 2 has a substantially rectangular parallelepiped shape with an open upper end. The cleaning device 1 includes a supply mechanism 4 that is provided on one end side (upstream side) in the longitudinal direction of the cleaning tank 2 and supplies the cleaning shaft 2 to the cleaning tank 2 one by one. The transport mechanism 6 that transports the shaft S supplied to the one end to the other end of the cleaning tank, and the shaft S that is provided on the other longitudinal end (downstream side) of the cleaning tank 2 and is cleaned in the cleaning tank is dried. And a drying mechanism 8 (not shown in FIG. 1). The cleaning tank 2 is filled with an amount of cleaning water W in which the lower half of the transport mechanism 6 is immersed.

  The shaft supply mechanism 4 includes a storage unit that stores a plurality of input shafts S before cleaning, and a delivery unit that sequentially feeds the shafts S stored in the storage unit toward the transport mechanism 6 in the cleaning tank 2. It has. The feeding means includes a pair of guide rails 10 and 10 and rod-like stoppers 12 and 12 that protrude intermittently upward from below the guide rails 10 and 10. The stoppers 12 are disposed at two locations on the upper and lower sides of each guide rail, but only one location is shown in FIG.

  The pair of guide rails 10 and 10 are disposed in parallel at an interval shorter than the length of the shaft S so that the cleaning tank 2 side is lowered. The upper ends of the guide rails 10 and 10 are connected to a housing portion that houses the shaft S before cleaning. With such a configuration, the shafts S sent out one by one from the accommodating portion are placed on the guide rails 10 and 10 so as to be orthogonal to the direction in which the guide rails 10 and 10 extend, and in this state, on the guide rails 10 and 10. Rolls down toward the cleaning layer 2.

  The shaft S accommodated in the accommodating portion is pushed up to the same height as the upper ends of the guide rails 10 and 10 one by one by a horizontally-arranged plate-like object (not shown). Sent out.

  The stopper 12 is configured to be able to move up and down intermittently between an upper position where the upper end protrudes on the guide rail 10 and a lower position where the upper end is located below the guide rail 10. The stopper 12 stops the shaft S rolling down on the guide rail 10 at the upper position. Therefore, the shaft S is intermittently sent to the cleaning tank 2 by the intermittent vertical movement of the stopper 12.

The transport mechanism 6 includes a pair of left and right endless transport belts 14 and 14 disposed in parallel in the cleaning tank 2 and a drive mechanism (not shown) that rotationally drives the transport belt 14.
As shown in FIG. 1, the two conveying belts 14 and 14 are arranged side by side in the width direction of the cleaning tank 2 at an interval shorter than the length of the shaft S to be cleaned. Each conveyor belt 14 is driven to rotate in the direction indicated by the arrow A by the drive mechanism, and is configured to convey the shaft S from the one end side of the cleaning tank 2 toward the drying mechanism 8 on the other end side. The drive mechanism intermittently drives the conveyor belts 14 and 14 so as to move 25.4 mm per cycle time (about 11 seconds, which is the time when one shaft S is sent out).

  Shaft receiving portions 16 and 16 that receive the shaft S are attached to the outer surface of the conveyor belt 14 at regular intervals (in the present embodiment, at intervals of about 24 mm) along the driving direction of the conveyor belt. As shown in FIG. 2, the shaft receiving portion 16 has a substantially U-shaped cross-sectional shape and is configured to receive a shaft S oriented in a direction orthogonal to the driving direction of the conveyor belt 14. Has been. The shaft receiving portion 16 includes a pair of rising portions 18 and 18 having flexibility, and is configured so that the shaft S can be sandwiched between the pair of rising portions 18 and 18. As described above, since the shaft receiving portions are arranged at regular intervals (in the present embodiment, at intervals of about 24 mm), the shafts S received by the adjacent shaft receiving portions 16 are spaced apart from each other, and the conveying belt 14 is spaced apart. Will be placed on top.

  Further, the shaft receiving portions 16 of the left and right transport belts 14 are arranged so as to be aligned in the width direction of the cleaning tank 2. As a result, one shaft S is supported in a direction orthogonal to the driving direction of the conveyor belt 14 by the pair of shaft receiving portions 16 aligned in the width direction.

  The conveyor belt 14 is arranged in the cleaning tank 2 so that the shaft S rolling down the guide rail 10 of the supply mechanism 4 can be accommodated in the shaft receiver 16. A plurality of guide plates 20, 20 are arranged below the conveyor belt 14. The guide plate 20 is a metal plate member arranged in an upright state along the transport belt 14, and the upper end of the guide plate 20 is the transport path of the shaft S accommodated in the shaft receiving portion 24 of the transport belt 14. Constitute.

  As described above, since the conveyor belt 14 is rotationally driven in the direction indicated by the arrow A, when the conveyor belt 14 receives the shaft S in the shaft receiving portion 16 at one end of the cleaning tank 2, Go into the wash water. The shaft accommodated in the shaft receiving portion 16 is conveyed along the upper end of the guide plate 20 toward the other end of the cleaning tank 2 (FIG. 3). Thus, the shaft S received by the shaft receiving portion 16 is conveyed in the cleaning water W to the other end of the cleaning tank 2.

  The drive mechanism 20 is configured to intermittently drive the conveyor belt in synchronization with the vertical movement of the stopper 12 of the shaft supply mechanism 4, so that the drive mechanism 20 is supplied one by one from the shaft supply mechanism 4. The incoming shaft S is sequentially sandwiched between the rising portions 18 and 18 of the shaft receiving portions 16 of the conveyor belt 14.

In the cleaning tank 2, an ultrasonic generator 22 that generates ultrasonic waves in the cleaning water of the cleaning tank 2 and a water flow that causes the cleaning water in the cleaning tank 2 to flow in a direction perpendicular to the transport direction of the transport belt. Means 24 are arranged.
The ultrasonic generator 22 is configured to irradiate the cleaning water with an ultrasonic wave of 28 KHz. Further, the water flow generating means 24 is configured to allow the cleaning water to flow into the shaft S that is transported through the cleaning tank 2 by the transport belt 14. In this embodiment, the cleaning water in the shaft S is used. The average flow velocity is about 1 m per second.

  The drying mechanism 8 blows hot air of 110 to 145 degrees Celsius onto the cleaned shaft S that has been removed from the shaft receiving portion 16 by the dispensing plate disposed on the other end side of the cleaning tank 2 and rolled on the guide plate 26. Put on. Since the hot air is blown onto the shaft S so as to flow along the longitudinal direction of the shaft S, the hot air also flows into the shaft S, and the inside of the shaft S is also reliably dried.

It is a perspective view which shows schematic structure of the conveyance mechanism of a washing | cleaning apparatus. It is a perspective view which shows the structure of the attachment which comprises a conveyance belt. It is a typical side view of the washing tank explaining the conveyance state of the shaft by a conveyance belt.

Explanation of symbols

S: shaft 1: cleaning device 2: cleaning tank 4: supply mechanism 6: transport mechanism 8: drying mechanism 10: guide rail 12: stopper

Claims (4)

A cleaning tank in which the hollow shaft is cleaned with cleaning water;
A supply mechanism that is provided on one end side of the cleaning tank and supplies the hollow shaft to the cleaning tank; and a transport mechanism that transports the hollow shaft supplied to one end of the cleaning tank to the other end of the cleaning tank; ,
A drying mechanism provided on the other end side of the cleaning tank and drying the hollow shaft cleaned in the cleaning tank;
The transport mechanism is disposed between one end portion and the other end portion of the cleaning tank, a pair of endless transport belts arranged in parallel in the width direction of the cleaning tank, and the transport belt is driven to rotate. A drive mechanism,
Each of the conveying belts includes a plurality of shaft receiving portions that receive the hollow shaft in parallel to a direction orthogonal to the driving direction of the conveying belt, and the shaft receiving portions are made of a flexible material, and the hollow shaft is A pair of rising portions sandwiched between them, arranged at regular intervals along the driving direction of the conveyor belt,
Furthermore, the supply mechanism includes a pair of guide rails and a stopper that intermittently protrudes upward from below the guide rails.
A hollow shaft cleaning device characterized by the above. The shaft receiving portion is disposed so as to be spaced between a hollow shaft received in one shaft receiving portion and a hollow shaft received in a shaft receiving portion adjacent to the one shaft receiving portion. ing,
The hollow shaft cleaning apparatus according to claim 1. The drive mechanism intermittently rotationally drives the conveyor belt;
The supply mechanism stores the hollow shaft before cleaning, and a sending means for intermittently sending the unwashed hollow shaft stored in the storage portion to the transport mechanism in synchronization with the drive mechanism. With
The hollow shaft cleaning apparatus according to claim 1 or 2 . Ultrasonic generation means for generating ultrasonic waves in the cleaning tank;
A water flow generating means for generating a water flow that flows in a direction perpendicular to the transport direction of the transport belt in the cleaning tank,
The hollow shaft cleaning apparatus according to any one of claims 1 to 3 .

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