CN203765476U - Shot-blasting device - Google Patents

Abstract

The utility model aims to provide a shot-blasting device through which the treatment efficiency can be improved. The utility model provides a shot-blasting device. The shot-blasting device refers to a shot-blasting device (10) which implements shot-blasting treatment by projecting a projection material through centrifugal projectors (24A, 24B) with impellers (26A, 26B). The shot-blasting device (10) comprises a revolution table (18), multiple workpiece mounting parts (86) and centrifugal projectors, wherein the revolution table is driven to rotate in a shell cavity by taking a revolution shaft (20) as the center; the surface of the revolution table passes through workpiece loading and unloading chambers and projection chambers which are alternatively arranged in the shell cavity; the multiple workpiece mounting parts are configured on the surface of the revolution table; the centrifugal projectors are used for projecting the projection material to a workpiece (W) arranged on the workpiece mounting parts. By utilizing the impellers which are driven to rotate by taking a rotating shaft which extends in a plane comprising a revolution shaft as the center, the projection material is projected towards the revolution shaft in a fan-shaped diffusion mode through an overlooking manner, so that the projection material is projected to the workpiece positioned in the projection chamber.

Description

Shot peening device

technical field

Roughly speaking, the present invention relates to a shot blasting device. Specifically, it relates to a shot blasting device that projects a shot material from a centrifugal projector having an impeller to a workpiece to perform shot blasting. the

Background technique

As a shot blasting device that projects a shot blasting material onto a workpiece from a centrifugal projector having an impeller to perform shot blasting, there is known a shot blasting device that is arranged from a centrifugal projector arranged on the radially outer side of a rotating revolution plate. The projection material is projected on the workpiece on the revolving plate (for example, refer to Patent Document 1). the

Patent Document 1: Japanese Patent Application Laid-Open No. 2006-167850

The blasting device of Patent Document 1 includes: a revolving plate (2) on which a plurality of workpiece support jigs are mounted and driven to rotate in a horizontal plane centering on a revolving axis extending in a vertical direction; and a centrifugal projector ( 14a, 14b) for projecting a projection material onto a workpiece mounted on a workpiece support jig. the

In this shot blasting device, the revolving plate is rotated in the horizontal plane centering on the revolving axis extending in the vertical direction, so that the workpiece mounted on the workpiece support jig arranged on the surface of the revolving plate is conveyed to the projection chamber in the horizontal direction, In the projection chamber, the projection material is projected from the centrifugal projector to the workpiece to perform shot blasting. the

The centrifugal projector used in this shot blasting apparatus is the centrifugal projector of the type which projects a projection material toward a workpiece|work by the impeller driven and rotated. The projection range of the projected material of this type of centrifugal projector spreads fan-shaped in the plane perpendicular to the rotation axis of the impeller, but in the plane parallel to the rotation axis of the impeller, it becomes narrower approximately the same as the width of the impeller. size. the

In addition, in this shot blasting device, the centrifugal projector is arranged such that the rotation axis of the impeller extends in the horizontal direction, and projects the projection material toward the workpiece moving horizontally by the rotation of the revolution plate from a radially outer position of the revolution plate. the

That is, in the shot peening device of Citation Document 1, the projection range of the projection material spreads in a fan shape in the plane perpendicular to the rotation axis extending in the horizontal direction of the impeller, that is, in the vertical direction (up and down direction), and with The workpiece conveying direction (horizontal direction) is orthogonal. the

In this way, in the shot blasting device of Patent Document 1, since the projection range of the projection material spread in a fan shape is perpendicular to the workpiece conveyance direction (horizontal direction), there is a problem that the width of the range where the workpiece can receive the projection material becomes narrow. , while the processing efficiency of shot peening is low. the

Utility model content

The utility model is made in order to solve such problems, and its purpose is to provide a shot blasting treatment device capable of improving treatment efficiency. the

The utility model provides a shot peening treatment device, which implements shot peening treatment by projecting projected materials from a centrifugal projector with an impeller, and is characterized in that

The shot peening device includes:

The revolution table is driven to rotate around the revolution axis in the shell cavity, and its surface alternately passes through the workpiece loading and unloading chamber and the projection chamber provided in the shell cavity;

a plurality of workpiece mounting parts, which are arranged on the surface of the revolution table; and

A centrifugal projector for projecting a projection material onto a workpiece attached to the workpiece mounting member, the centrifugal projector is directed toward the revolution axis by an impeller driven to rotate about a rotation axis extending in a plane including the revolution axis The projection material is injected so as to fan out in a plan view, and the projection material is projected onto the workpiece located in the projection chamber. the

According to such a configuration, the impeller driven to rotate around the rotating shaft extending in the same plane as the plane including the rotating shaft of the revolution table causes the projection material to be fan-spread toward the rotating shaft. the

Therefore, since the projection material projected from the centrifugal projector is projected toward the above-mentioned revolution axis so as to spread in a fan shape, and spreads along the workpiece conveyance direction, the processing efficiency of the shot blasting process can be improved. the

According to other preferred technical solutions of the utility model,

The above-mentioned revolution table has a circular shape,

The plurality of workpiece mounting members include a rotary table arranged along an outer edge of the rotary table and attached so as to be rotatable relative to the rotary table. the

According to other preferred technical solutions of the utility model,

This shot processing apparatus has the gate which partitions the said projection chamber and the said workpiece loading and unloading chamber so that opening and closing are free. the

According to such a configuration, by the shutter that can be opened and closed to partition the projection chamber and the workpiece loading and unloading chamber, when the shutter is closed, the projection material projected from the centrifugal projector can be prevented from splashing into the workpiece loading and unloading chamber. the

According to another preferred technical solution of the present utility model, the gate is capable of loading and unloading the projection chamber and the workpiece at an open position retracted from the movement path of the plurality of autorotation stages and entering the movement path of the plurality of autorotation stages. Move between closed positions separated by compartments. the

According to another preferred technical solution of the present invention, the workpiece loading and unloading chamber and the projection chamber are provided at positions opposite to each other in the radial direction of the revolution table. the

According to such a structure, since the workpiece loading and unloading chamber is arrange|positioned at the position far from a center projector, it can suppress more effectively that the projection material projected from a centrifugal projector splashes into a workpiece loading and unloading chamber. the

According to another preferred technical solution of the present utility model, the shot blasting device includes a rubber seal arranged between the projection chamber and the gate. the

According to such a structure, it can suppress that the projection material projected from a centrifugal projector splashes into a workpiece loading and unloading chamber. the

According to another preferable technical solution of this invention, the said centrifugal projector is provided in both the one surface side and the other surface side of the said revolution table. the

According to such a structure, the projection material projected from the centrifugal projector can be projected on a workpiece from different angles in the height direction of a workpiece. the

According to another preferred technical solution of the present invention, the above-mentioned plurality of autorotation tables can autorotate only in the above-mentioned projection chamber. the

According to other preferred technical schemes of the present utility model, the shot blasting treatment device includes: a rotation table driving pulley, which is respectively arranged on the above-mentioned multiple rotation tables in a manner capable of integrally rotating with the rotation table; when the autorotation table is located in the projection chamber, the autorotation table driving pulley is wound; and the autorotation table driving motor rotates the above autorotation table driving pulley via the hexagonal belt. the

By adopting the utility model, a shot peening treatment device capable of improving treatment efficiency is provided. the

Description of drawings

FIG. 1 : is a front view which sees through the inside of the shot blasting apparatus which concerns on one Embodiment of this invention. the

Fig. 2 is a side view of the inside of the shot peening device shown in Fig. 1 . the

FIG. 3 is a plan view of the inside of the shot peening apparatus shown in FIG. 1 . the

Fig. 4 is a longitudinal sectional view of the shot peening device shown in Fig. 1 . the

Fig. 5 is a top sectional view of the shot peening device shown in Fig. 1 . the

Fig. 6 is a front view of the gate mechanism shown in Fig. 1 . the

It is a front view which shows the modification of the shot processing apparatus of other embodiment of this invention. the

Fig. 8 is a left side view of the shot peening device shown in Fig. 7 . the

Fig. 9 is a plan view of the shot peening device shown in Fig. 7 . the

Fig. 10 is a right side view of the shot peening device shown in Fig. 7 . the

Fig. 11 is a right side view of the replenishment tank shown in Fig. 7 . the

FIG. 12 is a front view of a shot peening apparatus of a reference example. the

Fig. 13 is a side view of the shot peening device shown in Fig. 12 . the

Fig. 14 is a top cross-sectional view of the shell chamber of the shot peening device shown in Fig. 12 . the

Fig. 15 is a plan sectional view of a shutter mechanism of the shot peening apparatus shown in Fig. 12 . the

Fig. 16 is a sectional view taken along line A-A of Fig. 15 . the

Fig. 17 is a sectional view taken along line B-B of Fig. 15 . the

Detailed ways

Hereinafter, the shot processing apparatus 10 which concerns on preferred embodiment of this invention is demonstrated based on drawing. The shot blasting device 10 of the present embodiment is, for example, a so-called bench-top shot blasting device suitable for removing scale, coating (Japanese: Bonde), and the like of the workpiece W of a small casting. In addition, in this embodiment, the workpiece W is a flat automotive part, such as a clutch gear, a return spring, a wave spring, a barrel clutch (Japanese: バレルルッッチ), a transmission gear, a clutch piston, a forged gear, a transmission gear, etc. . the

FIG. 1 is a front view of a shot peening device 10 according to one embodiment of the present invention, FIG. 2 is a side view of the shot peening device 10 , and FIG. 3 is a plan view of the shot peening device 10 . 4 is a longitudinal sectional view of the shot peening apparatus 10 , and FIG. 5 is a planar sectional view of the shot peening apparatus 10 . the

As shown in FIG. 1 , the shot peening device 10 includes a box-shaped casing 12 . A projection chamber 14 for projecting a projection material onto the workpiece W for shot blasting is provided on the rear side of the housing 12, and a projection chamber 14 for loading and unloading the workpiece from the device is provided on the front side of the housing 12. The workpiece loading and unloading chamber chamber 16. the

A disc-shaped revolution table 18 is disposed below the projection chamber 14 and the workpiece loading and unloading chamber 16 of the casing 12 . The revolution table is driven to rotate in the horizontal plane centering on the revolution shaft 20 extending in the vertical direction, and through this rotation (revolution), the upper surface of the revolution table 18 moves from the workpiece loading and unloading chamber 16 to the projection chamber 14 to the workpiece loading chamber. The unloading chambers 16 move one after the other in the horizontal direction. That is, the upper surface of the revolution table 18 alternately passes through the workpiece loading and unloading chamber 16 and the projection chamber 14 . the

As mentioned above, since the projection chamber 14 is arranged on the back side of the casing cavity 12, and the workpiece loading and unloading chamber 16 is arranged on the front side of the casing cavity 12, the projection chamber 14 and the workpiece loading and unloading chamber 16 are arranged on the revolution table 18. relative position in the radial direction. the

On the outer peripheral portion of the upper surface of the revolution table 18 , a plurality of autorotation tables 22 are arranged in a ring shape along the circumferential direction of the revolution table 18 . The autorotation table 22 is attached to the revolution table 18 so as to be rotatable about a rotation axis extending in the vertical direction. And, along with the rotation (revolution) of the revolution table 18, the autorotation table 22 moves from the workpiece loading and unloading chamber 16 to the projection chamber 14 and then moves to the workpiece loading and unloading chamber 16 along the circular moving path on the outer peripheral portion of the revolution table 18. . the

As a result, the workpiece W mounted on the rotary table 22 also moves from the workpiece loading and unloading chamber 16 to the projection chamber 14 and then to the workpiece loading and unloading chamber 16 along the circular movement path on the outer peripheral portion of the revolving table 18 . the

Furthermore, as shown in FIG. 4 , a first centrifugal projector 24A and a second centrifugal projector 24B are provided on the rear side (right side in FIG. 4 ) of the projection chamber 14 in the casing 12 . 1st centrifugal projector 24A and 2nd centrifugal projector 24B are well-known centrifugal projectors which project a projection material using the impeller built-in. the

1st centrifugal projector 24A is provided in the upper position of the front surface of the revolution table 12, and the 2nd centrifugal projector 24B is provided in the lower position of the back surface of the revolution table 12. As shown in FIG. the

The first centrifugal projector 24A is arranged on the upper side of the revolution table 18 in the axial direction of the revolution shaft 20 , is mounted on the rotation table 22 from the rear upper direction, and is transported horizontally into the projection chamber 14 by the rotation of the revolution table 12 . The workpiece W projects the projection material. the

In addition, the second centrifugal projector 24B is arranged on the lower side of the revolution table 18 in the axial direction of the revolution shaft 20, is attached to the rotation table 22 from the rear downward direction, and is transported to the projection room in the horizontal direction by the rotation of the revolution table 12. The workpiece W within 14 is projected with projection material. the

The axis L2 of the rotating shaft of the impeller 26A built in the first centrifugal projector 24A and the axis L3 of the rotating shaft of the impeller 26B built in the second centrifugal projector 24B are in the same plane as the plane including the axis L1 of the revolution shaft 20 , and extend so as to intersect the axis L1 of the revolution shaft 20 at a predetermined angle. When grinding the workpiece such as deburring is the main purpose, the predetermined angle is preferably in the range of 25° to 65°, more preferably 45°. the

With the arrangement of the impellers 26A and 26B, the projection material projected from the first centrifugal projector 24A and the second centrifugal projector 24B spreads from the radially outer position of the revolution table 12 toward the revolution shaft 20 in a fan shape in plan view, that is, It emits in a fan shape along the conveyance direction of the workpiece W in the projection chamber 14 ( FIG. 5 ). the

Below the projection chamber 14, the lower screw conveyor 28 for conveying the projection material which fell from the projection chamber 14 is provided. In addition, as shown in FIG. 1 , on the downstream side of the lower screw conveyor 28 (the right side in FIG. 1 ), there is a projection material replenishment port 30 for introducing or replenishing projection material from the outside, and a projection material supply port 30 for conveying the projection material to the device. Upper bucket elevator 32. Furthermore, above the bucket elevator 32, an elevator driving motor 34 for driving the bucket elevator 32 is provided, and an elevator driving motor 34 for removing the mixed projected material is provided. The unloading chamber 16 is separated by two door-shaped rubber seals 84. Therefore, it is possible to allow the rotation table 22 to pass through, and it is possible to prevent leakage of projectile materials and dust into the workpiece loading and unloading chamber 16 . the

Downstream of the separator 36 in the projection material conveying direction are arranged a projection material tank 40 temporarily storing the projection material that has passed through the separator 36, flow rate adjustment devices 42A, 42B, and introduction pipes 44A, 44B, and the recycled projection material is resupplied. to centrifugal projectors 24A, 24B. the

In addition, on the front side (the left side of FIG. 1 ) of the housing cavity 12, there are a rotary table drive motor 46 for driving the rotary table 22 to rotate, a lower screw conveyor drive motor 48 for driving the lower screw conveyor 28, The control panel 50 controls the overall operation of the device. Moreover, a revolution table driving part 52 for driving the revolution table 18 to rotate is provided on the top of the housing cavity 12 . the

As shown in FIG. 2 , the shell chamber 12 is provided with a ladder 56 for ascending to or descending from a platform 54 provided on the top of the device, and for installing the workpiece W on the workpiece W in the workpiece loading and unloading chamber 16 . The workpiece loading and unloading device 58 of the autorotation table 22 for mounting components. the

As shown in FIG. 3 , the upstream side and the downstream side in the rotation direction of the revolution table 18 are separated by a gate 60 to form a workpiece loading and unloading chamber 16 . The two gates 60 are respectively driven by gate cylinders 62 . As shown in FIGS. 3 and 5 , these gates 60 are provided on the side of the housing 12 opposite to the side where the centrifugal projectors 24A, 24B are provided (that is, on the front side from the central half of the housing 12 ). the

The gate 60 is movable between an open position and a closed position by the gate cylinder 60, and the open position is a position where the rotary table 22 is allowed to pass through by retreating from the circular movement path of the rotary table 22 (the gate 60 faces the arrow A side). sliding position), the closed position is the position where the projection chamber 14 and the workpiece loading and unloading chamber 16 are separated by entering the annular moving path of the plurality of autorotation tables 22 (the gate 60 slides to the arrow B side). Location). the

As shown in FIG. 3 , a suction port 64 is formed on the right side of the bucket elevator 32 shown in FIGS. 1 and 2 . In addition, as shown in FIG. 5 , a door 66 assembled with the centrifugal projector 24B, a hinge 68 for supporting the door 66 in a manner that the gate 66 can be opened or closed, and a door 66 for fixing the door 66 are provided on the housing cavity 12 . The fixed metal fitting 70 on the housing cavity 12. the

As shown in FIG. 4 , a bearing 72 for supporting the upper part of the revolving shaft 20 in a rotatable manner is provided on the top of the housing 12 , and a torque limiter connected to the revolving shaft 20 is provided above the bearing 72 . 74. In addition, on the rear side of the torque limiter 74, a revolution table drive motor 76 for rotating the revolution shaft 20 is provided. the

On the other hand, an autorotation table drive pulley 78 is provided below each of the turntables 22 . Furthermore, an endless hexagonal belt 80 driven by a drive motor (not shown) and traveling on a predetermined path is arranged at a position below the revolution table 18 . The hexagonal belt 80 is disposed so as to be wound around the auto-rotation table drive pulley 78 of the auto-rotation table 22 located inside the projection chamber 14 . As a result, when the turntable 22 is inside the projection chamber 14 , the hex belt 80 is engaged with the turntable drive pulley 78 , and the turntable 22 is rotated by the rotational force transmitted from the turntable drive motor 46 . A bearing 82 that supports the lower portion of the revolving shaft 20 so that the revolving shaft 20 is rotatable is provided below the revolving table drive pulley 78 . the

As shown in FIG. 5 , between the projection chamber 14 and the gate 60 on the moving path of the plurality of turntables 22, there are two door-shaped rubber seals that allow the passage of the plurality of turntables 22 and are used to block projected materials and dust. 84. the

In addition, as shown in FIG. 6 , a support jig 86 is provided on the autorotation table 22 , and a hopper 88 is provided below the autorotation table drive motor 46 (see FIG. 1 ). The gate cylinder 62 uses a cylinder having a guide rod 90 . The gate cylinder 62 is fixed to the gate frame 92 . the

In the present embodiment, the workpiece W has a through hole at the center, and is attached to the support jig 86 by inserting the protruding portion of the support jig 86 into the through hole. the

The shot blasting treatment device 10 of this embodiment further includes a dust collector 94 , a dust collector fan 96 , an overflow pipe 98 , a powder discharge pipe 100 , and a settling chamber 102 . The powder discharge pipe 100 has a function of discharging burrs mixed in the recovered projection material and relatively large components not sucked by the dust collector 94 out of the apparatus from among the crushed projection materials. the

Next, the operation|movement of the shot processing apparatus 10 of this embodiment is demonstrated. the

Firstly, the workpiece W is mounted on the support fixture 86 of the autorotation table 22 in the workpiece loading and unloading chamber 16 of the shell cavity 12 by the operator or the workpiece loading and unloading device 58 . At this time, when the processed workpiece W is mounted on the support jig 86 of the autorotation table 22 in the workpiece loading and unloading chamber 16, the processed workpiece W is removed. the

Next, with the gate 60 disposed at the open position, the revolution table 18 is rotated by an angle corresponding to one or two autorotation tables 22 in intermittent operation. At this time, since the projection chamber 14 and the workpiece loading and unloading chamber 16 are separated by two door-shaped rubber seals 84, the rotation table 22 can be allowed to pass through, and the projection material and dust can be prevented from leaking into the workpiece loading and unloading chamber 16. the

Two hexagonal belts 80 are wound around the turntable drive pulley 78 of the turntable 22 entering the projection chamber 14 , and the turntable 22 is rotated while the turntable 22 passes through the projection chamber 14 . the

In addition, at this time, a projection material is projected from the centrifugal projectors 24A and 24B toward the workpiece W held and rotated by the rotary table 22, and the workpiece W is subjected to shot blasting. In addition, the shutter 60 is in the closed state while the projection material is projected toward the workpiece W from the centrifugal projectors 24A, 24B. the

The projected material projected toward the workpiece W falls from the revolution table 18 and flows into the hopper 88 , and is transported to the bucket elevator 32 by the lower screw conveyor 28 . Next, the projection material transported to the upper side by the bucket elevator 32 enters the separator 36 for air separation and separation, and the available projection material is supplied to the Centrifugal projectors 24A, 24B. the

Moreover, the structure which conveys the projection material which can be used to centrifugal projector 24A, 24B via the upper part screw conveyer which is not shown in figure may be sufficient. the

In addition, dust and the like other than the projectile materials separated by the separator 36 flow into the settling chamber 102 through the duct 38 . Then, coarser fine particles are separated in the settling chamber 102 , and the coarser fine particles enter a receiving box provided below the settling chamber 102 and are then discarded. the

On the other hand, the finer particles separated in the settling chamber 102 flow together with the air in the duct 38 and enter the dust collector 94 . Then, it is separated into air and dust in this dust collector 94 . This air is discharged to the outside by the fan 96 of the dust collector 94 . On the other hand, the dust collects in a receiving box provided below the dust collector 94 and is then discarded. the

Next, the effect of the shot processing apparatus 10 of the said embodiment is demonstrated. the

With the shot blasting apparatus 10 described in detail above, since the projection materials projected from the first centrifugal projector 24A and the second centrifugal projector 24B are injected in a fan-shaped manner along the transport direction of the workpiece W in the projection chamber 14, Therefore, processing efficiency can be improved. the

In addition, as mentioned above, this shot processing apparatus 10 has the gate 60 which retracts from the movement path of the several autorotation tables 22, and the open position which allows the autorotation table 22 to pass and enters the movement path of the several autorotation tables 22 Move between the closed positions that separate the projection chamber 14 from the workpiece loading and unloading chamber 16. the

Therefore, by setting this shutter 60 at the closed position, it is possible to suppress entry of the projection material projected from the centrifugal projectors 24A, 24B into the workpiece loading and unloading chamber 16 . the

Furthermore, the shutter 60 is provided on the side (front side) opposite to the side where the centrifugal projectors 24A and 24B are provided in the casing 12 . Therefore, since the shutter 60 is arranged at a position far from the centrifugal projectors 24A, 24B, it is possible to further effectively suppress the splashing of the projection material projected from the centrifugal projectors 24A, 24B into the workpiece loading and unloading chamber 16 . the

Furthermore, a rubber seal 84 is provided between the projection chamber 14 and the gate 60 on the moving path of the plurality of autorotation tables 22 . the

Therefore, also by this rubber seal, it can suppress that the projection material projected from the centrifugal projectors 24A, 24B splashes into the workpiece loading and unloading chamber 16 . the

In addition, as shown in FIG. 4 , the centrifugal projectors 24A and 24B are respectively provided on both sides (upper surface side and lower surface side) of the revolution shaft 20 of the revolution table 18 in the axial direction. the

Therefore, the range of the projection materials projected from the centrifugal projectors 24A and 24B is such that the projection materials can be projected on the workpiece from different angles in the height direction of the workpiece W. FIG. the

The present invention is not limited to the above-mentioned embodiments, and various changes and deformations can be made within the scope described in the above-mentioned technical claims. the

For example, the present invention may also have a structure like the shot peening device 210 shown in FIGS. 7 to 11 . The basic structure of the shot processing apparatus 210 is the same as that of the shot processing apparatus 10 mentioned above. Hereinafter, about the shot peening apparatus 210, the same code|symbol is attached|subjected to the element which has the same function as the above-mentioned shot peening apparatus 10 in the drawing, and the description is abbreviate|omitted. Reference numeral 104 shown in FIG. 7 , FIG. 9 , and FIG. 11 is a shot blast supply tank. the

In the shot peening apparatus 210 shown in FIGS. 7 to 11 , the rotation axis of the impeller 26 in the centrifugal projector 24 is set to be on the same plane as the plane containing the rotation center axis of the revolution table 18 , that is, the axis of the revolution shaft 20 Extends inwardly, and extends along an axis intersecting the revolution shaft 20 (see FIG. 8 and the like). the

In addition, in the above-mentioned embodiment, the impellers 26A, 26B are configured to rotate around the rotating shaft provided along the axis intersecting the axis of the revolving shaft 20, but the impellers may be configured to rotate along the axis of the revolving shaft. The axis is located on the same plane and rotates around the axis set parallel to the axis of the revolution axis. the

In FIGS. 12 to 17 , a shot peening apparatus 220 of a reference example is shown. the

The basic structure of this shot processing apparatus 220 is also the same as that of the shot processing apparatus 10 mentioned above. Therefore, in the shot blasting apparatus 220, the same code|symbol is attached|subjected to the member which has the same function as the shot blasting apparatus 10, and description is abbreviate|omitted. the

In the shot blasting device 220, the rotation shaft of the impeller 26 in the centrifugal projector 24 is arranged along an axis that is not in parallel with the rotation center axis of the revolution table 18, that is, the axis of the revolution shaft 20 (refer to FIG. 13 wait). the

In addition, in the above-mentioned embodiment, the centrifugal projectors 24A, 24B are configured such that the impellers 26A, 26B rotate around the rotating shaft provided along the axis intersecting the axis of the revolution shaft 20, but the centrifugal projector 24A may be , 24B are configured so that the impellers 26A, 26B rotate around a rotating shaft provided along an axis parallel to the axis of the revolving shaft 20 . the

Explanation of reference signs

10. Shot peening device; 12. Shell cavity; 14. Projection chamber; 16. Workpiece loading and unloading chamber; 18. Revolving table; 20. Revolving shaft; 22. Rotating table; 24A, first centrifugal projector; 24B, first 2 centrifugal projectors; 26A, (of the first centrifugal projector) impeller; 26B, (of the second centrifugal projector) impeller; L1, the axis of the revolution shaft; L2, the rotation axis of the impeller (of the first centrifugal projector) ; L3, the rotation axis of the impeller (of the second centrifugal projector); W, the workpiece. the

Claims (11)

1. A shot blasting device, which implements shot blasting by projecting projected material from a centrifugal projector with an impeller, characterized in that, The shot peening device includes: The revolution table is driven to rotate around the revolution axis in the shell cavity, and its surface alternately passes through the workpiece loading and unloading chamber and the projection chamber provided in the shell cavity; a plurality of workpiece mounting parts, which are arranged on the surface of the revolution table; and A centrifugal projector for projecting a projection material onto a workpiece attached to the workpiece mounting member, the centrifugal projector is directed toward the revolution axis by an impeller driven to rotate about a rotation axis extending in a plane including the revolution axis The projection material is injected so as to fan out in a plan view, and the projection material is projected toward the workpiece located in the projection chamber. the 2. shot peening device according to claim 1, is characterized in that, The above-mentioned revolution table has a circular shape, The plurality of workpiece mounting members include a rotary table arranged along an outer edge of the rotary table and attached so as to be rotatable relative to the rotary table. the 3. shot peening device according to claim 1, is characterized in that, This shot processing apparatus has the gate which partitions the said projection chamber and the said workpiece loading and unloading chamber so that opening and closing are free. the 4. shot peening device according to claim 2, is characterized in that, This shot processing apparatus has the gate which partitions the said projection chamber and the said workpiece loading and unloading chamber so that opening and closing are free. the 5. shot peening device according to claim 3, is characterized in that, The above-mentioned plurality of workpiece mounting parts have an autorotation table arranged along the outer edge of the above-mentioned revolution table and mounted in a manner capable of rotating relative to the above-mentioned revolution table, The gate is movable between an open position retreating from the movement path of the plurality of autorotation tables, and a closed position entering the movement path of the plurality of autoturn tables to separate the projection chamber from the workpiece loading and unloading chamber. . the 6. shot peening device according to claim 4, is characterized in that, The gate is movable between an open position retreating from the movement paths of the plurality of autorotation tables, and a closed position entering the movement paths of the plurality of autorotation stages to partition the projection chamber from the workpiece loading and unloading chamber. . the 7. The shot peening device according to claim 1 or 2, characterized in that, The workpiece loading and unloading chamber and the projection chamber are provided at opposite positions in the radial direction of the revolution table. the 8. The shot peening device according to claim 3 or 4, characterized in that, This shot processing apparatus has the rubber packing arrange|positioned between the said projection chamber and the said shutter. the 9. The shot peening device according to claim 1 or 2, characterized in that, The above-mentioned centrifugal projectors are provided on one surface side and the other surface side of the above-mentioned revolving table. the 10. shot peening device according to claim 2, is characterized in that, The said plurality of autorotation tables can autorotate only in the said projection chamber. the 11. shot peening device according to claim 10, is characterized in that, The shot peening device includes: The rotation table drives the pulley, which is respectively arranged on the above-mentioned multiple rotation tables in a manner capable of integrally rotating with the rotation table; a hexagonal belt wound around said turntable drive pulley only when said turntable is located in said projection chamber; and The autorotation table drive motor rotates the above-mentioned autoturn table drive pulley through the above-mentioned hexagonal belt. the