JPH07266233A - Method and device for reclaiming waste shot ball - Google Patents

Abstract

PURPOSE:To enable shot balls to be collected from a mixture of wastes including the shot balls after the shot balls are washed and reclaimed. CONSTITUTION:A mixture of wastes including shot balls to be reclaimed is put into a drum 2 from one longitudinal side of the drum whose outer periphery is covered with a net, and the waste mixture is moved from one side to the other side of the drum 2 by a screw member 13, and during the movement the waste mixture including the shot balls is washed, and the shot balls washed and reclaimed are collected from the other side of a cylindrical body. After wastes smaller than the shot balls to be reclaimed are discharged out of the drum during the movement from one side to the other side of the drum 2, the remaining waste mixture is washed, and after the shot balls washed and reclaimed are collected from the other side of the cylindrical body, wastes larger than the shot balls to be reclaimed are discharged out of the cylindrical body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste shot ball recycling method and apparatus for playing shot balls after shot blasting or shot peening once used.

[0002]

2. Description of the Related Art As is well known, when removing sand for casting from the surface of a cast product after casting, or when removing oil and grease such as grease, rust or dirt from the surface of a machined part after machining. For so-called shot blasting, a shot ball made of steel balls or steel particles is projected onto the article surface to clean the surface. Further, so-called shot peening, in which a shot ball made of steel balls is hit at high speed on a metal surface to remove scale and harden the surface, is generally widely adopted. Furthermore, the shot balls are also used in an automatic molding device used in a casting process when the mold is fixed by filling between the casting box and the mold.

Even if the used shot balls used in these steps are collected, the collected shot balls contain a large amount of dirt such as grease and other fats and oils and foreign matter such as fine metal pieces and dust. Since the waste mixture is mixed with the above to form a waste mixture and cannot be reused, conventionally, it has been general that the waste mixture is directly disposed of after use.

[0004]

However, in addition to the shot ball itself, as described above, the waste mixture containing shot balls that have been used, as described above, contains dirt such as grease and grease, and fine metal pieces and dust. Since it contains a large amount of foreign matter, it is necessary to be careful when disposing of it, and in some cases, it may be necessary to perform a special disposal process by requesting a specialist for industrial waste. Many. Further, since the shot ball itself can be purchased and used only once, the burden is increased not only in the disposal cost but also in the purchase cost, and further, it is a great waste of resources.

The present invention has been made in view of the above problems, and provides a waste shot ball recycling method and apparatus for cleaning and recovering shot balls from a waste mixture containing shot balls. The purpose is to

[0006]

Therefore, the invention according to claim 1 of the present application (hereinafter referred to as the first invention method of the present application) is
A waste mixture containing shot balls to be regenerated is put into the inside of a cylindrical body whose outer periphery is covered with a mesh or a perforated plate, and the thrown waste mixture is made into a cylindrical shape by a moving means. While moving from one side of the body to the other side, in the middle of this movement, the waste mixture containing shot balls to be regenerated is washed, and the regenerated shot balls are collected from the other side of the tubular body. It is something that is done.

The invention according to claim 2 of the present application (hereinafter,
The method of the second invention of the present application) is the method of regenerating the waste mixture in the tubular body in the first invention, in the middle of the movement from one side to the other side of the tubular body. After discharging a waste having a size smaller than that of the shot ball to be discharged to the outside of the cylindrical body, the remaining waste mixture containing the shot ball to be regenerated is washed, and this washed and regenerated shot ball is transferred to the above-mentioned tube. After collecting from the other side of the cylindrical body, a waste having a size larger than the shot ball to be regenerated is discharged to the outside of the cylindrical body.

The invention according to claim 3 of the present application (hereinafter,
The third invention method of the present application) is the same as the first invention or the second invention, wherein the collecting portions are provided at a plurality of positions along the longitudinal axis direction of the tubular body, and each collecting portion is covered. The size of passage of the mesh or perforated plate is set to be larger toward the other side of the tubular body, and the waste mixture containing the shot balls to be regenerated is sequentially passed through each of the collecting sections. It is characterized by reproducing and collecting shot balls of different sizes.

Further, the invention according to claim 4 of the present application
(Hereinafter, referred to as a fourth invention of the present application) is a tubular body having an outer periphery covered with a mesh body or a perforated plate, a driving means for rotationally driving the tubular body around a longitudinal axis, and the tubular body. A charging member for charging a waste mixture containing shot balls to be regenerated, a recovery member for recovering the shot balls regenerated from the inside of the tubular body, the recovery member and the charging. And a cleaning means for cleaning the shot balls to be regenerated, which is provided between the cylindrical member and a charging member, and the cylindrical member has a charging port communicating with the charging member on one side in the longitudinal axis direction. On the other hand, a recovery section communicating with the recovery member is provided on the other side in the longitudinal axis direction, and the waste mixture charged therein is rotated along the longitudinal axis of the tubular body to form a tubular body. So that there is a moving means to move from one side to the other Those were.

The invention according to claim 5 of the present application
(Hereinafter, referred to as a fifth invention of the present application) is the same as the fourth invention, wherein the cylindrical body has the waste mixture charged inside the cylindrical body between the charging port and the recovery unit. A first discharge part for discharging a waste smaller than the shot ball to be regenerated out of the cylindrical body is provided, while the shot ball to be regenerated of the waste mixture is disposed on the other side than the recovery part. It is characterized in that a second discharge part for discharging a larger waste to the outside of the cylindrical body is provided.

Furthermore, the invention according to claim 6 of the present application.
(Hereinafter, referred to as a sixth invention of the present application) In the fifth invention, the tubular body is charged with at least a waste mixture from one side to the other side in the longitudinal axis direction. Input port, fine powder separating section for separating waste smaller than shot balls to be regenerated from the above-mentioned waste mixture that has been thrown in, cleaning section for cleaning shot balls to be regenerated,
It is characterized in that a recycled shot ball collecting section for collecting the recycled shot balls after cleaning and a discharge port for discharging a waste larger than the shot balls to be recycled to the outside are arranged in order. It is a thing.

Further, the invention according to claim 7 of the present application
(Hereinafter, referred to as a seventh invention of the present application) is, in any one of the fourth to sixth inventions, the cleaning means is composed of a cleaning tank in which a cleaning liquid is stored, and the cleaning tank is of the cylindrical body. It is arranged on the lower side, and is characterized in that a part of the outer periphery of the cylindrical body is set so as to be immersed in the cleaning liquid in the cleaning tank.

Further, the invention according to claim 8 of the present application
(Hereinafter, it is referred to as an eighth invention of the present application.) In any one of the fourth to seventh inventions, the moving means is configured by a screw member provided inside a tubular body. It is a feature.

Further, the invention according to claim 9 of the present application
(Hereinafter, it is referred to as a ninth invention of the present application.) In any one of the fourth to eighth inventions, the tubular body is provided with an internal waste mixture in an upward direction as the tubular body rotates about its longitudinal axis. It is characterized in that a scraping member is provided.

Furthermore, the invention according to claim 10 of the present application.
(Hereinafter, referred to as a tenth invention of the present application), in the ninth invention, the scraping member is a reinforcement of the tubular body extending in the longitudinal direction of the tubular body by connecting the outer peripheral portion of the screw member. It is characterized by being composed of members.

Furthermore, the invention according to claim 11 of the present application.
(Hereinafter, referred to as the eleventh invention of the present application)
In any one of the inventions of No. 0, the reticulated body or the perforated plate is provided so as to be detachable from the tubular body.

Furthermore, the invention according to claim 12 of the present application.
(Hereinafter, referred to as twelfth invention of the present application)
In any one of the first aspect of the invention, the recovery section is provided at a plurality of locations along the longitudinal axis direction of the tubular body, and the opening size of the mesh body or the perforated plate that covers each of the recovery sections is the tubular It is characterized in that it is set to be larger as it is closer to the other side of the body.

[0018]

According to the first invention method of the present application, the waste mixture containing the shot balls to be regenerated is charged only from one side in the longitudinal direction of the tubular body, and the longitudinal direction of the tubular body and the like can be improved. From the side, shot balls that have been automatically washed and regenerated can be collected. As a result, shot balls that have been used once and then discarded can be reused and reused, reducing the cost of purchasing and discarding shot balls, and reducing the cost of resources. It can also contribute to use.

According to the second invention method of the present application, basically, the same effect as that of the first invention method can be obtained. Moreover, it is possible to discharge wastes smaller and larger in size than the shot balls to be reclaimed to the outside of the tubular body, and to reduce maintenance such as cleaning the inside of the tubular body. You can

Further, according to the third invention method of the present application, basically, the same effect as that of the first invention method or the second invention method can be obtained. Moreover, when shot balls of different sizes are contained in the waste mixture, the shot balls of different sizes can be separately reproduced and collected.

Further, according to the fourth invention of the present application,
Just by throwing the waste mixture containing the shot balls to be reclaimed through the inlet provided on one side in the longitudinal direction of the tubular body, from the recovery section provided on the other side in the longitudinal direction of the tubular body,
It is possible to automatically collect shot balls that have been washed and regenerated. As a result, shot balls that have been used once and then discarded can be reused and reused, reducing the cost of purchasing and discarding shot balls, and reducing the cost of resources. It can also contribute to use.

Further, according to the fifth invention of the present application,
Basically, the same effect as that of the above-mentioned fourth invention can be obtained. Moreover, wastes smaller in size than the shot balls to be regenerated are discharged from the first discharge section,
Waste that is larger than the above shot balls is the second above
Each of the discharge parts can be discharged to the outside of the tubular body, and maintenance such as cleaning the inside of the tubular body can be reduced.

Further, according to the sixth invention of the present application,
Basically, the same effect as the fifth aspect of the invention can be obtained. Moreover, the waste mixture is charged from the charging port of the tubular body and moved from one side to the other side in the longitudinal axis direction of the tubular body, whereby the waste mixture is separated in the fine powder separating section. After separating the waste smaller than the shot ball to be reclaimed, the shot ball to be reclaimed is washed in the cleaning section, and then the regenerated shot ball is recovered in the reclaimed shot ball recovery section. Further, it is possible to discharge the waste larger than the shot ball to be regenerated from the discharge port to the outside. That is, the series of steps can be automatically performed.

Further, according to the seventh invention of the present application,
Basically, the same effect as any one of the fourth to sixth inventions can be obtained. In particular, since the cleaning tank is arranged below the rotationally driven cylindrical body and a part of the outer circumference of the cylindrical body is immersed in the cleaning liquid in the cleaning tank, a complicated cleaning is performed. By simply rotating the tubular body without using any device, the waste mixture containing the shot balls to be regenerated inside the tubular body can be effectively washed with this rotation.

Further, according to the eighth invention of the present application,
Basically, the same effect as any one of the fourth to seventh inventions can be obtained. In particular, since the screw member is provided inside the tubular body, the internal body of the tubular body should be regenerated by simply rotating the tubular body without using a complicated moving device. The waste mixture containing the shot balls can be moved from one side in the longitudinal direction of the tubular body to the other side.

Further, according to the ninth invention of the present application,
Basically, the same effect as any one of the fourth to eighth inventions can be obtained. Moreover, since the scraping member is provided, the waste mixture in the cylindrical body is not only laterally fed in the longitudinal direction as the cylindrical body is rotated, but also scraped upward and dropped downward. Thus, it is possible to cause a stirring action at the time of washing by the washing means, and this stirring action can further enhance the washing effect.

Further, according to the tenth invention of the present application, basically, the same effect as that of the ninth invention can be obtained. Moreover, since the scraping member is also provided as a reinforcing member for the tubular body, the structure of the tubular body can be prevented from becoming complicated and the reproducing apparatus can be simplified.

Furthermore, according to the eleventh invention of the present application, basically, the same effect as that of any one of the fourth to tenth inventions can be obtained. Besides,
Since the reticulated body or the perforated plate is provided so as to be attachable to and detachable from the tubular body, it is possible to improve convenience when changing the reticulated body or the perforated plate to one having a different opening size or during maintenance. it can.

Further, according to the twelfth invention of the present application, basically, the same effect as that of any one of the fourth to eleventh inventions can be obtained. Besides,
By passing the waste mixture containing the shot balls to be regenerated through the respective recovery parts provided at a plurality of positions along the longitudinal axis direction of the tubular body, shot balls of different sizes are contained in the waste mixture. In this case, the shot balls of different sizes can be separately reproduced and collected.

[0030]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. 1 and 2 are a perspective view and a side view, respectively, showing the overall configuration of the waste shot ball reproducing device according to the present embodiment. As shown in these figures,
The waste shot ball reproducing device 1 (hereinafter, simply referred to as a reproducing device) includes a cylindrical drum 2 having an outer periphery covered with, for example, a wire net 11, and a drive device 3 for rotationally driving the drum 2 around its longitudinal axis. A charging hopper 4 for charging a waste mixture containing shot balls to be regenerated into the inside of the drum 2;
A collecting chute 5 for collecting the shot balls reproduced from the inside of the drum 2, and a cleaning chute provided between the collecting chute 5 and the charging hopper 4 for cleaning the shot balls to be reproduced. The washing machine 6 and a gantry frame 10 formed by assembling steel materials as a whole.
Supported by. Note that, in FIG. 2 above, in order to explain the inside of the drum 2, the wire net 11 is shown in a state in which a part thereof is cut away, but in actuality, the wire net 11 is actually the drum 2
Covers the entire outer circumference of the.

Bearings 33, 34 for rotatably supporting the front and rear portions of the rotary shaft 12 extending in the longitudinal direction at the shaft core portion of the drum 2 are attached to the upper surfaces of the front and rear end portions of the gantry frame 10, respectively. . The drive device 3 includes a drive motor 31 fixed to one end of the gantry frame 10. The drive force of the drive motor 31 is transmitted to the rotary shaft 12 via a transmission belt 32, for example. There is.

The cleaning tank 6 is arranged below the drum 2, and the lower surface side thereof is the gantry frame 10.
Supported by. The cleaning tank 6 is formed in a U-shaped cross section with an open upper part, and a strong alkaline degreasing agent is stored therein as a cleaning liquid 6a up to a predetermined liquid level, and the outer periphery of the drum 2 is stored. Part of cleaning liquid 6
It is set to be immersed in a. In this way, the cleaning tank 6 is arranged below the drum 2 which is rotationally driven, and a part of the outer periphery of the drum 2 is set to be immersed in the cleaning liquid 6a in the cleaning tank 6, By simply rotating the drum 2 without using a complicated washing device, the waste mixture containing the shot balls to be regenerated inside the drum 2 can be effectively washed with this rotation.

The drum 2 has one side in the longitudinal axis direction.
A charging opening portion 21 communicating with the charging hopper 4 is provided at an end portion (left side in FIGS. 1 and 2), and the vicinity of an end portion on the other side in the longitudinal axis direction (right side in FIGS. 1 and 2). In addition, as described later in detail, a replay shot ball collecting unit 28 (hereinafter, simply referred to as a collecting unit) that communicates with the collecting chute 5 is provided. In addition, from the charging hopper 4, shot balls that have been once used for so-called shot blasting or shot peening, or used for fixing between the casting box and the casting mold in an automatic casting molding device are used to fix the casting mold. Shot balls spilled on the floor when thrown are put in a state of being contained in a waste mixture in which dirt such as grease and other grease and fine particles and foreign matters such as dust are mixed in a large amount.

The rotating shaft 12 serves as a moving means for moving the waste mixture charged in the drum 2 from the one side to the other side as the rotating shaft 12 rotates.
, A plate-shaped screw member 13 forming a predetermined angle with respect to
13 is fixed to the rotary shaft 12 in a spiral shape.
As described above, the screw member 1 is provided inside the drum 2.
Since 3, ..., 13 are provided, it is possible to rotate the drum 2 without using a complicated moving device, and the waste mixture containing the shot balls to be regenerated inside the drum 2 is accompanied by this rotation. The drum 2 can be moved from one side in the longitudinal direction to the other side.

Further, a plurality of screw members 13, ..., 13 are connected to each other to extend in the extending direction of the rotary shaft 12.
Partition plates 14 (for example, eight) are provided so as to divide the circumference of the drum 2 into eight equal parts, for example. This partition 14, ...
Numeral 14 acts as a structural reinforcing member of the drum 2, and at the same time, scrapes up the waste mixture containing shot balls moving inside the drum 2 as the screw members 13, ..., 13 rotate. It acts as. Partition plates 14, ..., 1 as the lifting members
By providing 4, the waste mixture inside the drum 2 is not only laterally fed in the longitudinal direction with the rotation of the screw members 13, ..., 13 but also scraped upward and dropped downward for cleaning. A stirring action can be performed during cleaning in the tank 6, and the cleaning effect can be further enhanced by this stirring action. In addition, the lifting member (partition plate 14,
, 14) also serving as the reinforcing member of the drum 2, it is possible to avoid complication of the structure of the drum 2. It should be noted that the scraping member that performs such a stirring action is provided separately from the reinforcing member of the drum 2 with the screw members 13, ..., 1
3 may be provided.

In the regenerating apparatus 1 having the drum 2 having the above-mentioned internal structure, the charging section 24 for charging the waste mixture is provided at the outer end of one side (left side in FIGS. 1 and 2) of the regenerating apparatus 1. The mesh of the wire mesh 11 that covers the outer circumference of the drum 2.
By appropriately setting (that is, the opening size), the fine powder separating portion 25 from one side of the drum 2 to the other side (right side in FIGS. 1 and 2), that is, along the moving direction of the waste mixture. A washing section 26, a draining section 27, a regenerated shot ball collecting section (collecting section) 28, and a metal piece discharging section 29 are provided in this order. Although not specifically shown, the wire mesh 11 is provided on the drum 2 by a screw member, a clip, or the like.
It is provided so as to be detachable with respect to the wire mesh 11 so as to ensure convenience when changing the wire mesh 11 to one having a different opening size or at the time of maintenance.

The loading section 24 is composed of the loading hopper 4 described above and the loading opening 21 communicating with the loading hopper 4. The fine powder separating section 25 is for removing foreign matter such as minute metal powder having a size smaller than the shot ball to be regenerated, and the fine powdery foreign matter removed here is a fine powder chute. It is discharged to the outside of the drum 2 by 7. The cleaning unit 26 is composed of the cleaning tank 6 as described above. The drainer 27 is for dropping and removing the cleaning liquid 6a from the waste mixture that has passed through the cleaning tank 6. In the fine powder separating unit 25, the cleaning unit 26, and the water draining unit 27, a wire mesh 11 having a mesh size smaller than a particle size of shot balls to be regenerated by a predetermined size or more is used.

Collection unit 28 following the draining unit 27
Is in communication with the recovery chute 5 described above,
Recycled shot balls are collected here. In the collecting unit 28, a wire mesh 11 having a mesh slightly larger than the particle size of shot balls to be regenerated and collected is used. A mesh member having a size smaller than the particle size of the shot balls may be attached to a receiving member (not shown) that receives the regenerated shot balls from the collecting chute 5, and draining may be performed here. Rear side of the recovery unit 28, that is, the other end of the reproducing apparatus 1.
At the outer end (right side in FIGS. 1 and 2), the drum 2 is provided with foreign matter such as a metal piece having a size larger than the shot ball.
A metal piece discharging unit 29 for discharging the metal is provided.
The metal piece discharging portion 29 is composed of the metal piece discharging chute 8 and the discharge opening portion 22 communicating with the chute 8.

In the above construction, the charging section 2
The waste mixture charged into the drum 2 from 4 is the rotary shaft 1
As the screw members 13, ..., 13 are rotated by the rotation of 2, first, the fine particles are moved to the fine powder separating section 25, where the foreign matter in the form of fine powder having a smaller size than the shot balls to be regenerated / collected. After being removed, the cleaning liquid is sent to the cleaning unit 26 for cleaning, and the cleaning liquid is further dropped by the water draining unit 27 and then moved to the collecting unit 28. After the recovery shot balls are recovered by the recovery unit 28, a foreign material such as a metal piece having a large size that is left at the end is transferred to the outer end of the other end (right side in FIGS. 1 and 2) of the reproduction apparatus 1. It is sent to the provided metal piece discharging section 29 and discharged from the metal piece discharging section 29 to the outside of the drum 2.

As described above, according to the present embodiment, the waste mixture containing the shot balls to be regenerated is simply charged from one side in the longitudinal direction of the drum 2 so that the drum 2 can be regenerated.
It is possible to automatically collect the washed and recycled shot balls from the other side in the longitudinal direction of the. That is, the waste mixture is charged from the charging opening 21 of the drum 2 and moved from one side to the other side in the longitudinal axis direction of the drum 2 so that the fine powder separating section 25 can remove the waste mixture from the waste mixture. After separating waste smaller than the shot balls to be regenerated, the cleaning unit 26 cleans the shot balls to be regenerated, and then the regenerated shot ball collection unit 28 collects the regenerated shot balls. Further, the waste larger than the shot balls to be regenerated can be discharged from the discharge opening 22 to the outside of the drum 2.
That is, the series of steps can be automatically performed.

As a result, it becomes possible to regenerate and repeatedly use shot balls which have been disposed of after only being used once, which makes it possible to reduce the cost of purchasing shot balls and the cost of discarding them. It can also contribute to the effective use of resources. Further, it is possible to discharge waste having a size smaller than that of the shot ball to be regenerated and waste having a size larger than that of the shot ball to the outside of the drum 2, thereby reducing maintenance such as cleaning of the inside of the drum 2.

FIG. 3 is a side view schematically showing the structure of the drum 42 of the waste shot ball reproducing device according to another embodiment of the present invention. In the following description, the same parts as those in the embodiment shown in FIGS. 1 and 2 are designated by the same reference numerals, and further description will be omitted. In this modification, a plurality of (three) collecting units 48, to which the shot balls washed and regenerated by the washing unit 26 are carried, are provided along the longitudinal axis direction of the drum 42, and these collecting units 48 ( 48A,
48B, 48C) wire mesh 43 mesh (opening size)
Is set to be larger as it is closer to the other side of the drum 42.

That is, the wire net 43A of the first recovery section 48A located on the most upstream side is set to have the smallest mesh size, for example, to pass shot balls having a particle size of 1 mm or more and less than 2 mm, and in the middle. The wire net 43B of the second collecting portion 48B located is set so as to pass shot balls having a particle size of 2 mm or more and less than 4 mm, and the wire net 43C of the third collecting portion 48C located most downstream is
The mesh size is the largest, and is set so that shot balls having a grain size of 4 mm or more and less than 7 mm are passed. Therefore, this series of recovery units 48 (48A, 48B, 4
8C) are sequentially passed from the upstream side, it is possible to collect shot balls having different particle diameters by classifying them into the above three ranges. That is, according to this modification, when shot balls of different sizes are contained in the waste mixture, it is possible to separately reproduce and collect the shot balls of different sizes.

In the above embodiments, the outer circumferences of the drums 2 and 42 were covered with the metal nets 11 and 43, but instead of this, other mesh bodies such as resin mesh bodies or punching metal plates are used. Of course, it is also possible to use a perforated plate such as the above and an expanded plate.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall configuration of a waste shot ball reproducing device according to an embodiment of the present invention.

FIG. 2 is a side view showing an overall configuration of the waste shot ball reproducing device.

FIG. 3 is a side view showing the structure of the drum of the waste shot ball reproducing device according to another embodiment of the present invention.

[Explanation of symbols]

1 ... Waste shot ball reproducing device 2, 42 ... Drum (cylindrical body) 3 ... Driving device 4 ... Loading hopper 5 ... Recovery chute 6 ... Washing tank 6a ... Washing liquid 11,43, 43A, 43B, 43C ... Wire mesh 12 ... Rotary shaft 13 ... Screw member 14 ... Partition plate (raising member) 21 ... Injection opening 22 ... Discharge opening 24 ... Injection section 25 ... Fine powder separating section 26 ... Washing section 28,48,48A, 48B, 48C ... Recycled shot ball collection unit 29 ... Metal fragment discharge unit 31 ... Drive motor

Claims (12)

[Claims] 1. A waste mixture containing shot balls to be regenerated is introduced from one side in the longitudinal direction into the inside of a cylindrical body whose outer periphery is covered with a mesh or a perforated plate, and the discarded waste mixture is injected. While moving the tubular body from the one side to the other side by the moving means, the waste mixture containing the shot balls to be regenerated is washed in the middle of this movement, and the washed shot balls are regenerated by the tubular body. A method for reclaiming waste shot balls, which is characterized by recovering from the other side. 2. During the movement from one side of the tubular body to the other side, the waste mixture having a smaller size than the shot ball to be regenerated among the waste mixture introduced into the tubular body is tubularized. After being discharged to the outside of the cylindrical body, the remaining waste mixture containing the shot balls to be regenerated is washed, and this washed and regenerated shot ball is collected from the other side of the tubular body,
2. The waste having a size larger than the shot ball to be regenerated is discharged to the outside of the cylindrical body.
How to recycle the abolished shot ball described. 3. The recovery parts are provided at a plurality of positions along the longitudinal axis direction of the tubular body, and the passage size of the net or porous plate covering the recovery parts is close to the other side of the tubular body. The shot balls having different sizes are regenerated and recovered from the waste mixture containing the shot balls to be regenerated, by sequentially setting the sizes so that they are larger. The method for recycling a waste shot ball according to claim 1 or claim 2. 4. A cylindrical body having an outer periphery covered with a mesh or a perforated plate, drive means for rotating the cylindrical body around a longitudinal axis, and a shot ball to be regenerated inside the cylindrical body. A charging member for charging the waste mixture containing the charging member, a collecting member for collecting the shot balls regenerated from the inside of the cylindrical body, and a collecting member provided between the collecting member and the charging member. And a cleaning means for cleaning the shot balls to be regenerated, and the cylindrical body is provided with a charging port communicating with the charging member on one side in the longitudinal axis direction thereof, while A recovery unit communicating with the recovery member is provided on the other side, and the waste mixture charged therein is moved from one side of the tubular body to the other side as the tubular body rotates about the longitudinal axis. Abolished shot balls characterized by being provided with a moving means for Playback device. 5. A waste material smaller than a shot ball to be regenerated in the waste mixture, which has been charged into the inside of the cylindrical body, is disposed between the charging port and the recovery section in the cylindrical shape. A first discharging unit for discharging the waste to the outside of the body is provided, and a waste larger than the shot ball to be regenerated in the waste mixture is discharged to the outside of the cylindrical body on the other side than the collecting unit. 5. The waste shot ball reproducing device according to claim 4, wherein two discharge parts are provided. 6. The tubular body, from one side to the other side in the longitudinal axis direction, at least the charging port into which the waste mixture is charged, and the shot to be regenerated of the charged waste mixture. Fine powder separation unit for separating waste smaller than balls, cleaning unit for cleaning shot balls to be regenerated, recycle shot ball collection unit for collecting regenerated shot balls after cleaning, and shots to be regenerated The waste shot ball reclaiming device according to claim 5, wherein discharge ports for discharging wastes larger than the balls to the outside are sequentially arranged. 7. The cleaning means comprises a cleaning tank in which a cleaning liquid is stored, the cleaning tank is disposed below the cylindrical body, and a part of the outer periphery of the cylindrical body is the cleaning tank. 5. It is set so as to be immersed in the cleaning liquid inside.
~ The waste shot ball reproducing device according to any one of claims 6 to 10. 8. The waste shot ball reproducing device according to claim 4, wherein the moving means is composed of a screw member provided inside a tubular body. . 9. The cylindrical body is provided with a scraping member for scraping upward the waste mixture therein as it rotates about its longitudinal axis. The scrap shot ball recycling device described. 10. The scraping member is constituted by a reinforcing member for the tubular body, which connects the outer peripheral portions of the screw member and extends in the longitudinal direction of the tubular body. Abandoned shot ball reproduction device. 11. The waste shot ball reproducing device according to claim 4, wherein the mesh body or the perforated plate is provided so as to be attachable to and detachable from the cylindrical body. 12. The collecting section is provided at a plurality of positions along the longitudinal axis direction of the tubular body, and the opening size of the mesh body or the perforated plate which covers these collecting sections is the other side of the tubular body. 12. The waste shot ball reproducing device according to claim 4, wherein the closer to the above, the larger is set.