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WO2013005763A1 - Shot processing device - Google Patents

Shot processing device Download PDF

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Publication number
WO2013005763A1
WO2013005763A1 PCT/JP2012/067055 JP2012067055W WO2013005763A1 WO 2013005763 A1 WO2013005763 A1 WO 2013005763A1 JP 2012067055 W JP2012067055 W JP 2012067055W WO 2013005763 A1 WO2013005763 A1 WO 2013005763A1
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WO
WIPO (PCT)
Prior art keywords
shot processing
projection
rotation
processing apparatus
chamber
Prior art date
Application number
PCT/JP2012/067055
Other languages
French (fr)
Japanese (ja)
Inventor
万俊 山本
Original Assignee
新東工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新東工業株式会社 filed Critical 新東工業株式会社
Priority to CN201290000655.3U priority Critical patent/CN203765476U/en
Publication of WO2013005763A1 publication Critical patent/WO2013005763A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B24C3/20—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by turntables
    • B24C3/24—Apparatus using impellers

Definitions

  • the present invention generally relates to a shot processing apparatus, and more particularly, to a shot processing apparatus that performs shot processing by projecting a projection material onto a workpiece from a centrifugal projector provided with an impeller.
  • Centrifugal projection arranged radially outside the revolving plate on a work placed on a rotating revolving plate as a shot processing device that performs shot processing by projecting a projection material onto the work from a centrifugal projector equipped with an impeller 2.
  • a shot processing apparatus that projects a projection material from a machine is known (for example, see Patent Document 1).
  • the shot blasting apparatus of Patent Document 1 is attached to a workpiece receiving jig and a revolution plate (2) that is driven to rotate in a horizontal plane around a revolution axis that is attached to the surface and extends in the vertical direction. And a centrifugal projector (14a, 14b) for projecting a projection material onto the workpiece.
  • the workpiece attached to the workpiece receiving jig arranged on the surface of the revolution plate by the rotation of the revolution plate around the revolution axis extending in the vertical direction in the horizontal direction in the projection chamber.
  • the projection material is projected onto the work from the centrifugal projector and shot processing is performed.
  • the centrifugal projector used in this shot blasting device is a type of centrifugal projector that projects a projection material toward a workpiece by a rotationally driven impeller.
  • the projection range of the projection material expands in a fan shape within a plane orthogonal to the impeller's rotation axis, but on the plane parallel to the impeller's rotation axis, it has a narrow dimension substantially equal to the width of the impeller. .
  • the centrifugal projector is arranged so that the rotation shaft of the impeller extends in the horizontal direction, and is directed from a radially outward position of the revolution plate to a workpiece that moves in the horizontal direction by the rotation of the revolution plate. Projecting material is projected.
  • the projection range of the projection material extends in a sector shape in a plane perpendicular to the rotation axis of the impeller extending in the horizontal direction, that is, in the vertical direction (vertical direction), and the workpiece conveying direction ( It is orthogonal to the horizontal direction.
  • the present invention has been made to solve such a problem, and an object thereof is to provide a shot processing apparatus capable of improving the processing efficiency.
  • a shot processing apparatus that performs shot processing by projecting a projection material from a centrifugal projector equipped with an impeller, A revolving table that is rotationally driven around a revolving axis in a cabinet, and whose surface alternately passes through a work loading / unloading chamber and a projection chamber provided in the cabinet; A plurality of work mounting means disposed on the surface of the revolving table; A centrifugal projector for projecting a projection material onto a workpiece attached to the workpiece attachment means, wherein the revolution shaft is driven by an impeller that is driven to rotate about a rotation axis extending in a plane including the revolution shaft. And a centrifugal projector that projects a projection material onto the workpiece located in the projection chamber.
  • a shot processing apparatus is provided.
  • the projection material is discharged so as to spread in a fan shape toward the revolution axis by the impeller that is driven to rotate about the rotation axis that extends in the same plane as the plane including the revolution axis of the revolution table. .
  • the projection material projected from the centrifugal projector is discharged so as to expand in a fan shape toward the revolution axis and expands in the workpiece conveyance direction, so that the processing efficiency of the shot processing can be improved.
  • the revolution table has a circular shape
  • the plurality of work attachment means includes a rotation table disposed along an outer edge of the revolution table and attached to the revolution table so as to be capable of rotation.
  • a shutter is provided for partitioning the projection chamber and the work loading / unloading chamber in an openable and closable manner. According to such a configuration, the projection material projected from the centrifugal projector is prevented from flying into the workpiece loading / unloading chamber when the shutter is closed, by the shutter that freely opens and closes the projection chamber and the workpiece loading / unloading chamber. .
  • the shutter is moved into the open position retracted from the movement path of the plurality of rotation tables, and enters the movement path of the plurality of rotation tables to carry in the projection chamber and the workpiece. It is possible to move between a closed position for partitioning from the exit room.
  • the work loading / unloading chamber and the projection chamber are provided at positions facing the radial direction of the revolving table.
  • a rubber seal is provided between the projection chamber and the shutter.
  • the projection material projected from the centrifugal projector can be prevented from flying into the work carry-in / out chamber.
  • the centrifugal projector is provided on each of one surface side and the other surface side of the revolving table.
  • the projection material projected from the centrifugal projector can be projected onto the workpiece from different angles in the workpiece height direction.
  • the plurality of rotation tables rotate only within the projection chamber.
  • a rotation table drive pulley provided to be rotatable integrally with each of the plurality of rotation tables; A hexagonal belt wound around the rotation table drive pulley only when the rotation table is located in the projection chamber; A rotation table drive motor that rotates the rotation table drive pulley via the hexagonal belt.
  • a shot processing apparatus capable of improving the processing efficiency is provided.
  • FIG. 2 is a side view of the inside of the shot processing apparatus shown in FIG.
  • FIG. 2 is a plan view seen through the inside of the shot processing apparatus shown in FIG. 1. It is a longitudinal cross-sectional view of the shot processing apparatus shown by FIG.
  • FIG. 2 is a plan sectional view of the shot processing apparatus shown in FIG. 1.
  • FIG. 2 is a front view of the shutter mechanism shown in FIG. 1. It is a front view which shows the modification of the shot processing apparatus of other embodiment of this invention.
  • FIG. 8 is a left side view of the shot processing apparatus shown in FIG. 7.
  • FIG. 8 is a plan view of the shot processing apparatus shown in FIG. 7.
  • FIG. 8 is a plan view of the shot processing apparatus shown in FIG. 7.
  • FIG. 8 is a right side view of the shot processing apparatus shown in FIG. 7. It is a right view of the replenishment tank shown by FIG. It is a front view of the shot processing apparatus of a reference example. It is a side view of the shot processing apparatus shown by FIG.
  • FIG. 13 is a plan sectional view of the cabinet of the shot processing apparatus shown in FIG. 12.
  • FIG. 13 is a plan sectional view of a shutter mechanism of the shot processing apparatus shown in FIG. 12.
  • FIG. 16 is a cross-sectional view taken along line AA in FIG.
  • FIG. 16 is a cross-sectional view taken along line BB in FIG.
  • the shot processing apparatus 10 of the present embodiment is a so-called table-type shot blasting apparatus that is preferably used to drop a scale, a bond, or the like of a workpiece W that is a small casting product.
  • the workpiece W is a flat automotive part, for example, a clutch gear, a return spring, a wave spring, a barrel clutch, a drive gear, a clutch piston, a forged gear, a transmission gear, or the like.
  • FIG. 1 is a front view of a shot processing apparatus 10 according to an embodiment of the present invention
  • FIG. 2 is a side view of the shot processing apparatus 10
  • FIG. 3 is a plan view of the shot processing apparatus 10.
  • FIG. 4 is a longitudinal sectional view of the shot processing apparatus 10
  • FIG. 5 is a plan sectional view of the shot processing apparatus 10.
  • the shot processing apparatus 10 includes a cabinet 12 formed in a box shape as shown in FIG.
  • a projection chamber 14 in which a projection material is projected onto the work W and shot processing is performed is provided at the back side position inside the cabinet 12, and the work is loaded into the apparatus at the front side position inside the cabinet 12.
  • a work loading / unloading chamber 16 in which the unloading is performed is provided.
  • a disk-shaped revolving table 18 is disposed below the projection chamber 14 and the work loading / unloading chamber 16 of the cabinet 12.
  • the revolving table is driven to rotate in a horizontal plane around a revolving shaft 20 extending in the vertical direction.
  • the upper surface of the revolving table 18 is further moved from the work loading / unloading chamber 16 to the projection chamber 14 and further to the work piece. It is sequentially moved to the carry-in / out chamber 16 in the horizontal direction. That is, the upper surface of the revolving table 18 alternately passes through the workpiece carry-in / out chamber 16 and the projection chamber 14.
  • the projection chamber 14 is provided on the back side of the cabinet 12 and the workpiece carry-in / out chamber 16 is provided on the front side of the cabinet 12, the projection chamber 14 and the workpiece carry-in / out chamber 16 are provided on the revolving table 18. It is provided at a position opposed to the radial direction.
  • a plurality of rotation tables 22 are annularly arranged along the circumferential direction of the revolution table 18 on the outer peripheral portion of the upper surface of the revolution table 18.
  • the rotation table 22 is attached to the revolution table 18 so as to be rotatable about a rotation axis extending in the vertical direction. Then, as the revolving table 18 rotates (revolves), the rotating table 22 moves from the work loading / unloading chamber 16 to the projection chamber 14 and further to the work loading / unloading along an annular movement path on the outer peripheral portion of the revolving table 18. Moved to chamber 16.
  • the workpiece W attached to the rotation table 22 also moves from the workpiece loading / unloading chamber 16 to the projection chamber 14 and further to the workpiece loading / unloading chamber 16 along an annular movement path on the outer periphery of the revolution table 18. Is done.
  • a first centrifugal projector 24 ⁇ / b> A and a second centrifugal projector 24 ⁇ / b> B are provided on the rear side (right side in FIG. 4) of the projection chamber 14 in the cabinet 12.
  • the first centrifugal projector 24 ⁇ / b> A and the second centrifugal projector 24 ⁇ / b> B are known centrifugal projectors that project a projection material with a built-in impeller.
  • the first centrifugal projector 24 ⁇ / b> A is provided at a position above the surface of the revolving table 12, and the second centrifugal projector 24 ⁇ / b> B is provided at a position below the back surface of the revolving table 12.
  • the first centrifugal projector 24A is disposed on the upper side of the revolving table 18 in the axial direction of the revolving shaft 20, and is attached to the revolving table 22 and is transferred to the revolving table 12 in the horizontal direction in the projection chamber 14 by rotation.
  • the projection material is projected toward the rear side obliquely from above.
  • the second centrifugal projector 24 ⁇ / b> B is disposed on the lower side of the revolution table 18 in the axial direction of the revolution shaft 20, is attached to the revolution table 22, and is transported in the projection chamber 14 in the horizontal direction by rotation on the revolution table 12. A projection material is projected toward the workpiece W from obliquely below the rear side.
  • the axes L2 and L3 of the rotation shafts of the impellers 26A and 26B incorporated in the first and second centrifugal projectors 24A and 24B are in the same plane as the plane including the axis L1 of the revolution shaft 20, and It extends so as to intersect the axis L1 at a predetermined angle.
  • the predetermined angle is preferably in the range of 25 to 65 degrees, and more preferably 45 degrees.
  • the projection material projected from the first centrifugal projector 24A and the second centrifugal projectors 24A and 24B is directed from the radially outward position of the revolution table 12 toward the revolution shaft 20. It is discharged so as to expand in a fan shape in a plan view, that is, to expand in a fan shape in the conveying direction of the workpiece W in the projection chamber 14 (FIG. 5).
  • a lower screw conveyor 28 for transporting the projection material dropped from the projection chamber 14. Further, on the downstream side of the lower screw conveyor 28 (the right side in FIG. 1), as shown in FIG. 1, a projection material supply port 30 for introducing or replenishing the projection material from the outside, and a projection material A bucket elevator 32 is provided for transporting the vehicle to the upper part of the apparatus. Further, an elevator drive motor 34 for driving the bucket elevator 32, a separator 36 for removing foreign matters mixed in the projection material, a duct 38, and the like are provided above the bucket elevator 32.
  • the equalized projection material is again supplied to the centrifugal projectors 24A and 24B.
  • the rotation table drive motor 46 that rotates the rotation table 22
  • the lower screw conveyor drive motor 48 that drives the lower screw conveyor 28, and the operation of the entire apparatus are operated.
  • a control panel 50 for control is provided.
  • a revolving table drive unit 52 that rotates the revolving table 18 is provided on the ceiling of the cabinet 12.
  • the cabinet 12 includes a ladder 56 for raising and lowering the platform 54 provided in the upper part of the apparatus, and a rotating table 22 that constitutes a work attachment means in the work loading / unloading chamber 16.
  • a workpiece carry-in / out device 58 for setting the workpiece W is provided.
  • the upstream and downstream sides in the rotational direction of the revolving table 18 are partitioned by a shutter 60.
  • the two shutters 60 are each driven by a shutter cylinder 62.
  • these shutters 60 are provided on the opposite side of the cabinet 12 from the side where the centrifugal projectors 24 ⁇ / b> A and 24 ⁇ / b> B are provided (that is, on the front side of the central half of the cabinet 12). Is provided.
  • the shutter 60 is retracted from the annular movement path of the rotation table 22 by the shutter cylinder 60 and is allowed to pass through the rotation table 22 (a position slid to the arrow A side). It can be displaced to a closed position (position slid to the arrow B side) that enters the annular movement path and partitions between the projection chamber 14 and the work loading / unloading chamber 16.
  • a suction port 64 is formed on the right side of the bucket elevator 32 shown in FIGS. 1 and 2 as shown in FIG.
  • the cabinet 12 includes a door 66 with the centrifugal projector 24 ⁇ / b> B integrally assembled, a hinge 68 that supports the door 66 so that it can be opened and closed, and the door 66.
  • a fixing metal fitting 70 is provided to be fixed to.
  • a bearing 72 that rotatably supports the upper portion of the revolution shaft 20 is provided on the ceiling of the cabinet 12, and is connected to the revolution shaft 20 above the bearing 72.
  • a torque limiter 74 is provided.
  • a revolution table drive motor 76 that rotates the revolution shaft 20 is provided on the rear side of the torque limiter 74.
  • a rotation table drive pulley 78 is provided below each rotation table 22. Furthermore, an endless hexagonal belt 80 that is driven by a drive motor (not shown) and travels on a predetermined route is disposed below the revolving table 18. The hexagonal belt 80 is disposed so as to be wound around a rotation table driving pulley 78 of the rotation table 22 located inside the projection chamber 14. As a result, when the rotation table 22 is located inside the projection chamber 14, the hexagon belt 80 is engaged with the rotation table drive pulley 78, and the rotation force is transmitted from the rotation table drive motor 46 to rotate. A bearing 82 that rotatably supports the lower portion of the revolution shaft 20 is provided below the rotation table drive pulley 78.
  • the projection material and dust are blocked while allowing the plurality of rotation tables 22 to pass between the projection chamber 14 and the shutter 60 in the movement path of the plurality of rotation tables 22.
  • a double door-like rubber seal 84 is provided.
  • the rotating table 22 is provided with a receiving jig 86, and a hopper 88 is provided below the rotating table drive motor 46 (see FIG. 1). .
  • a cylinder having a guide rod 90 is used as the shutter cylinder 62.
  • the shutter cylinder 62 is fixed to the shutter frame 92.
  • the workpiece W has a through hole at the center, and the protrusion of the receiving jig 86 is inserted into the through hole, so that the work W is attached to the receiving jig 86.
  • the shot processing apparatus 10 of the present embodiment further includes a dust collector 94, a dust collector fan 96, an overflow pipe 98, a powdering pipe 100, and a settling chamber 102.
  • the powdering pipe 100 has a function of discharging a relatively large component that has not been sucked into the dust collector 94 out of burrs and crushed projection material mixed in the collected projection material to the outside of the apparatus.
  • the workpiece W is attached to the receiving jig 86 of the rotation table 22 located in the workpiece loading / unloading chamber 16 of the cabinet 12 by the worker or the workpiece loading / unloading device 58.
  • the processed workpiece W is removed.
  • the revolution table 18 is rotated by an angle corresponding to one or two of the rotation table 22 by tact operation.
  • the rotation table 22 is allowed to pass, but the projection material to the workpiece loading / unloading chamber 16 is allowed. And leakage of dust is prevented.
  • Two hexagonal belts 80 are wound around the rotation table drive pulley 78 of the rotation table 22 that has entered the projection chamber 14, and the rotation table 22 is rotated while the rotation table 22 passes through the projection chamber 14.
  • the projection material is projected from the centrifugal projectors 24A and 24B toward the workpiece W held and rotated by the rotation table 22, and the workpiece W is subjected to a polishing process.
  • the shutter 60 is in a closed state while the projection material is projected from the centrifugal projectors 24A and 24B toward the workpiece W.
  • the projection material projected toward the workpiece W falls from the revolving table 18 and flows to the hopper 88 and is sent to the bucket elevator 32 by the lower screw conveyor 28. Further, the projection material conveyed upward by the bucket elevator 32 enters the separator 36 and is separated by wind separation.
  • Usable projection materials are the projection material tank 40, the flow rate adjusting devices 42A and 42B, and the introduction pipes 44A and 44B. Then, it is supplied again to the centrifugal projectors 24A and 24B.
  • the structure which sends the usable projection material to the centrifugal projectors 24A and 24B via an upper screw conveyor may be used.
  • dust other than the projection material separated by the separator 36 flows through the duct 38 to the settling chamber 102.
  • the coarse fine powder is separated in the settling chamber 102, and the coarse fine powder enters a receiving box provided below the settling chamber 102, and is then discarded.
  • fine fine powder separated in the settling chamber 102 flows along with the air through the duct 38 and enters the dust collector 94. And in this dust collector 94, it isolate
  • the shot processing apparatus 10 functions and effects of the shot processing apparatus 10 of the above embodiment will be described.
  • the projection material projected from the first centrifugal projector 24A and the second centrifugal projectors 24A, 24B spreads in a fan shape in the conveying direction of the workpiece W in the projection chamber 14.
  • the processing efficiency can be improved.
  • the shot processing apparatus 10 enters the movement position of the plurality of rotation tables 22 and the open position where the rotation tables 22 are allowed to pass by being retracted from the movement paths of the plurality of rotation tables 22.
  • a shutter 60 that is displaced to a closed position that partitions the projection chamber 14 and the work loading / unloading chamber 16 is provided. Therefore, when the shutter 60 is positioned at the closed position, the projection material projected from the centrifugal projectors 24 ⁇ / b> A and 24 ⁇ / b> B is prevented from entering the workpiece carry-in / out chamber 16.
  • the shutter 60 is provided on the opposite side (front side) of the cabinet 12 to the side where the centrifugal projectors 24A and 24B are provided. Therefore, since the shutter 60 is disposed at a position far from the centrifugal projectors 24A and 24B, the projection material projected from the centrifugal projectors 24A and 24B is more effectively suppressed from flying into the work loading / unloading chamber 16. Is done.
  • a rubber seal 84 is provided between the projection chamber 14 and the shutter 60 in the movement path of the plurality of rotation tables 22. Therefore, this rubber seal can also prevent the projection material projected from the centrifugal projectors 24 ⁇ / b> A and 24 ⁇ / b> B from flying into the workpiece carry-in / out chamber 16.
  • the centrifugal projectors 24 ⁇ / b> A and 24 ⁇ / b> B are respectively provided on both sides (upper surface side and lower surface side) of the revolution table 18 in the axial direction of the revolution shaft 20. Therefore, the range of the projection material projected from the centrifugal projectors 24A and 24B can be projected onto the workpiece from different angles in the height direction of the workpiece W.
  • the present invention may be configured as the shot processing apparatus 210 shown in FIGS.
  • the basic configuration of the shot processing apparatus 210 is the same as that of the shot processing apparatus 10 described above.
  • elements having the same functions as those of the above-described shot processing apparatus 10 are denoted by the same reference numerals in the drawing, and description thereof is omitted.
  • Reference numeral 104 shown in FIGS. 7, 9, and 11 is a shot replenishment tank.
  • the rotation axis of the impeller 26 in the centrifugal projector 24 extends in the same plane as the plane including the axis of the revolution shaft 20 that is the rotation center axis of the revolution table 18. And along the axis intersecting the revolution axis 20 (see FIG. 8 and the like).
  • the impellers 26A and 26B are configured to rotate around the rotation axis provided along the axis intersecting with the axis of the revolution shaft 20, but the impeller is the axis of the revolution axis. It may be configured to rotate around a rotation axis extending along an axis parallel to the axis of the revolution axis and extending in the same plane as the plane including the rotation axis.
  • FIG. 12 to 17 show a shot processing apparatus 220 of a reference example.
  • the basic configuration of the shot processing apparatus 220 is the same as that of the shot processing apparatus 10. Therefore, the same reference numerals are used for members having the same functions as those of the shot processing apparatus 10 in the shot processing apparatus 220, and description thereof is omitted.
  • the rotation axis of the impeller 26 in the centrifugal projector 24 is provided along an axis line that is in a torsional positional relationship with the axis line of the revolution axis 20 that is the rotation center axis of the revolution table 18 (FIG. 13). Etc.).
  • the centrifugal projectors 24A and 24B are configured such that the impellers 26A and 26B rotate around the rotation axis provided along the axis that intersects the axis of the revolution shaft 20.
  • 26A and 26B may be configured to rotate around a rotation axis provided along an axis parallel to the axis of the revolution shaft 20.

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  • Mechanical Engineering (AREA)
  • Feeding Of Workpieces (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

In order to provide a shot processing device that is capable of improving processing efficiency, the present invention provides a shot processing device (10) that performs shot processing by projecting projection material from centrifugal projection machines (24A, 24B) provided with impellers (26A, 26B), said shot processing device being equipped with: a revolving table (18) which is inside a cabinet, and has a revolving shaft (20) that is rotationally driven at the center, and the surface of which alternately passes through a workpiece loading and unloading chamber and a projection chamber, which are disposed inside the cabinet; a plurality of workpiece mounting means (86) positioned on the surface of the revolving table; and the centrifugal projection machines, which project projection material on the workpieces (W) mounted on the workpiece mounting means. Said centrifugal projection machines: release projection material so as to spread out in a fan shape, in a plan view, toward the revolving shaft, by means of the impellers, which have rotating shafts that extend in a plane that contains the revolving shaft, and are rotationally driven at the center; and project the projection material on the workpieces positioned inside the projection chamber.

Description

ショット処理装置Shot processing device
　本発明は、概略的には、ショット処理装置に関し、詳細には、インペラを備えた遠心投射機からワークに投射材を投射してショット処理を施すショット処理装置に関する。 The present invention generally relates to a shot processing apparatus, and more particularly, to a shot processing apparatus that performs shot processing by projecting a projection material onto a workpiece from a centrifugal projector provided with an impeller.
　インペラを備えた遠心投射機からワークに投射材を投射してショット処理を施すショット処理装置として、回転する公転板上に配置されたワークに、公転板の径方向外方に配置された遠心投射機から投射材を投射するショット処理装置が知られている（例えば、特許文献１参照）。 Centrifugal projection arranged radially outside the revolving plate on a work placed on a rotating revolving plate as a shot processing device that performs shot processing by projecting a projection material onto the work from a centrifugal projector equipped with an impeller 2. Description of the Related Art A shot processing apparatus that projects a projection material from a machine is known (for example, see Patent Document 1).
特開２００６－１６７８５０号公報JP 2006-167850 A
　特許文献１のショットブラスト装置は、複数のワーク受け治具が表面に取付けられ鉛直方向に延びる公転軸を中心に水平面内で回転駆動される公転板（２）と、ワーク受け治具に取付けられたワークに投射材を投射する遠心投射機（１４ａ，１４ｂ）とを備えている。 The shot blasting apparatus of Patent Document 1 is attached to a workpiece receiving jig and a revolution plate (2) that is driven to rotate in a horizontal plane around a revolution axis that is attached to the surface and extends in the vertical direction. And a centrifugal projector (14a, 14b) for projecting a projection material onto the workpiece.
　このショットブラスト装置では、鉛直方向に延びる公転軸を中心とした公転板の水平面内での回転によって、公転板の表面に配置されたワーク受け治具に取付けられたワークが、投射室で水平方向に搬送され、投射室内で、遠心投射機から投射材がワークに投射されショット処理が行われる。 In this shot blasting device, the workpiece attached to the workpiece receiving jig arranged on the surface of the revolution plate by the rotation of the revolution plate around the revolution axis extending in the vertical direction in the horizontal direction in the projection chamber. In the projection chamber, the projection material is projected onto the work from the centrifugal projector and shot processing is performed.
　このショットブラスト装置で使用される遠心投射機は、回転駆動されるインペラによって、投射材をワークに向けて投射するタイプの遠心投射機である。このタイプの遠心投射機による、投射材の投射範囲は、インペラの回転軸と直交する面内で扇形に拡がるが、インペラの回転軸の平行な面では、インペラの幅と略等しい狭い寸法となる。 The centrifugal projector used in this shot blasting device is a type of centrifugal projector that projects a projection material toward a workpiece by a rotationally driven impeller. With this type of centrifugal projector, the projection range of the projection material expands in a fan shape within a plane orthogonal to the impeller's rotation axis, but on the plane parallel to the impeller's rotation axis, it has a narrow dimension substantially equal to the width of the impeller. .
　そして、このショットブラスト装置では、遠心投射機は、インペラの回転軸が水平方向に延びるように配置され、公転板の径方向外方位置から、公転板の回転によって水平方向に移動するワークに向けて投射材が投射される。 In this shot blasting apparatus, the centrifugal projector is arranged so that the rotation shaft of the impeller extends in the horizontal direction, and is directed from a radially outward position of the revolution plate to a workpiece that moves in the horizontal direction by the rotation of the revolution plate. Projecting material is projected.
　すなわち、引用文献１のショットブラスト装置では、投射材の投射範囲は、水平方向に延びるインペラの回転軸と直交する面内で、即ち、鉛直方向(上下方向)に扇形に拡がり、ワーク搬送方向(水平方向)と直交している。 That is, in the shot blasting apparatus of the cited document 1, the projection range of the projection material extends in a sector shape in a plane perpendicular to the rotation axis of the impeller extending in the horizontal direction, that is, in the vertical direction (vertical direction), and the workpiece conveying direction ( It is orthogonal to the horizontal direction.
　このように、特許文献１のショットブラスト装置では、扇形に拡がる投射材の投射範囲がワーク搬送方向(水平方向)と直交しているので、ワークが投射材を受けることができる範囲の幅が狭くなり、ショット処理の処理効率が高くないという問題があった。 Thus, in the shot blasting device of Patent Document 1, since the projection range of the projection material expanding in a fan shape is orthogonal to the workpiece conveyance direction (horizontal direction), the width of the range in which the workpiece can receive the projection material is narrow. Therefore, there is a problem that the processing efficiency of the shot processing is not high.
　本発明は、このような課題を解決するためになされたものであり、処理効率を向上させることができるショット処理装置を提供することを目的とする。 The present invention has been made to solve such a problem, and an object thereof is to provide a shot processing apparatus capable of improving the processing efficiency.
　本発明によれば、
　インペラを備えた遠心投射機から投射材を投射してショット処理を施すショット処理装置であって、
　キャビネット内で公転軸を中心に回転駆動され、その表面が前記キャビネット内に設けられたワーク搬入出室と投射室とを交互に通過する公転テーブルと、
　該公転テーブルの表面に配置された複数のワーク取付け手段と、
　前記ワーク取付け手段に取付けられたワークに投射材を投射する遠心投射機であって、前記公転軸が含まれる平面内を延びる回転軸を中心に回転駆動されるインペラによって、投射材を前記公転軸に向かって平面視で扇形に拡がるよう放出し、前記投射室内に位置した前記ワークに投射材を投射する遠心投射機と、を備えている、
　ことを特徴とするショット処理装置が提供される。 According to the present invention,
A shot processing apparatus that performs shot processing by projecting a projection material from a centrifugal projector equipped with an impeller,
A revolving table that is rotationally driven around a revolving axis in a cabinet, and whose surface alternately passes through a work loading / unloading chamber and a projection chamber provided in the cabinet;
A plurality of work mounting means disposed on the surface of the revolving table;
A centrifugal projector for projecting a projection material onto a workpiece attached to the workpiece attachment means, wherein the revolution shaft is driven by an impeller that is driven to rotate about a rotation axis extending in a plane including the revolution shaft. And a centrifugal projector that projects a projection material onto the workpiece located in the projection chamber.
A shot processing apparatus is provided.
　このような構成によれば、公転テーブルの公転軸が含まれる平面と同一平面内を延びる回転軸を中心に回転駆動されるインペラによって、投射材が公転軸に向けて扇形に拡がるよう放出される。
　このため、遠心投射機から投射される投射材は、前記公転軸に向けて扇形に拡がるよう放出され、ワーク搬送方向に拡がるので、ショット処理の処理効率を向上させることができる。 According to such a configuration, the projection material is discharged so as to spread in a fan shape toward the revolution axis by the impeller that is driven to rotate about the rotation axis that extends in the same plane as the plane including the revolution axis of the revolution table. .
For this reason, the projection material projected from the centrifugal projector is discharged so as to expand in a fan shape toward the revolution axis and expands in the workpiece conveyance direction, so that the processing efficiency of the shot processing can be improved.
　本発明の他の好ましい態様によれば、
　前記公転テーブルが円形状を有し、
　前記複数のワーク取付け手段が、前記公転テーブルの外縁に沿って配置され、前記公転テーブルに対して自転可能に取付けられた自転テーブルを備えている。 According to another preferred embodiment of the invention,
The revolution table has a circular shape,
The plurality of work attachment means includes a rotation table disposed along an outer edge of the revolution table and attached to the revolution table so as to be capable of rotation.
　本発明の他の好ましい態様によれば、
　前記投射室と前記ワーク搬入出室とを開閉自在に仕切るシャッタを備えている。
　このような構成によれば、投射室とワーク搬入出室とを開閉自在に仕切るシャッタによって、シャッタ閉鎖時には、遠心投射機から投射された投射材がワーク搬入出室に飛来することが抑制される。 According to another preferred embodiment of the invention,
A shutter is provided for partitioning the projection chamber and the work loading / unloading chamber in an openable and closable manner.
According to such a configuration, the projection material projected from the centrifugal projector is prevented from flying into the workpiece loading / unloading chamber when the shutter is closed, by the shutter that freely opens and closes the projection chamber and the workpiece loading / unloading chamber. .
　本発明の他の好ましい態様によれば、前記シャッタが、前記複数の自転テーブルの移動経路から退避された開位置と、前記複数の自転テーブルの移動経路に進入して前記投射室と前記ワーク搬入出室との間を仕切る閉位置との間を移動可能である。 According to another preferred aspect of the present invention, the shutter is moved into the open position retracted from the movement path of the plurality of rotation tables, and enters the movement path of the plurality of rotation tables to carry in the projection chamber and the workpiece. It is possible to move between a closed position for partitioning from the exit room.
　本発明の他の好ましい態様によれば、
　前記ワーク搬入出室と投射室とは、前記公転テーブルの径方向に対向する位置に設けられている。 According to another preferred embodiment of the invention,
The work loading / unloading chamber and the projection chamber are provided at positions facing the radial direction of the revolving table.
　このような構成によれば、ワーク搬入出室が遠心投射機から遠い位置に配置されることになるので、遠心投射機から投射された投射材がワーク搬入出室に飛来することをより一層効果的に抑制することができる。 According to such a configuration, since the work carry-in / out chamber is disposed at a position far from the centrifugal projector, it is more effective that the projection material projected from the centrifugal projector jumps into the work carry-in / out chamber. Can be suppressed.
　本発明の他の好ましい態様によれば、
　前記投射室と前記シャッタとの間に配置されたゴムシールを備えている。 According to another preferred embodiment of the invention,
A rubber seal is provided between the projection chamber and the shutter.
　このような構成によれば、遠心投射機から投射された投射材がワーク搬入出室に飛来することを、抑制することができる。 According to such a configuration, the projection material projected from the centrifugal projector can be prevented from flying into the work carry-in / out chamber.
　本発明の他の好ましい態様によれば、
　前記遠心投射機は、前記公転テーブルの一方の面側と他方の面側のそれぞれに設けられている。 According to another preferred embodiment of the invention,
The centrifugal projector is provided on each of one surface side and the other surface side of the revolving table.
　このような構成によれば、遠心投射機から投射される投射材を、ワーク高さ方向の異なる角度からワークに投射することができる。 According to such a configuration, the projection material projected from the centrifugal projector can be projected onto the workpiece from different angles in the workpiece height direction.
　本発明の他の好ましい態様によれば、
　前記複数の自転テーブルは、前記投射室の内のみで自転すれる。 According to another preferred embodiment of the invention,
The plurality of rotation tables rotate only within the projection chamber.
　本発明の他の好ましい態様によれば、
　前記複数の自転テーブルのそれぞれに一体回転可能に設けられた自転テーブル駆動プーリと、
　前記自転テーブルが前記投射室の内に位置しているときにのみ、前記自転テーブル駆動プーリに巻き掛けられる六角ベルトと、
　前記六角ベルトを介して前記自転テーブル駆動プーリを回転させる自転テーブル駆動モータと、を備えている。 According to another preferred embodiment of the invention,
A rotation table drive pulley provided to be rotatable integrally with each of the plurality of rotation tables;
A hexagonal belt wound around the rotation table drive pulley only when the rotation table is located in the projection chamber;
A rotation table drive motor that rotates the rotation table drive pulley via the hexagonal belt.
　本発明によれば、処理効率を向上させることができるショット処理装置が提供される。 According to the present invention, a shot processing apparatus capable of improving the processing efficiency is provided.
本発明の一実施形態のショット処理装置の内部を透視した正面図である。It is the front view which saw through the inside of the shot processing apparatus of one Embodiment of this invention. 図１に示されたショット処理装置の内部を透視した側面図である。FIG. 2 is a side view of the inside of the shot processing apparatus shown in FIG. 図１に示されたショット処理装置の内部を透視した平面図である。FIG. 2 is a plan view seen through the inside of the shot processing apparatus shown in FIG. 1. 図１に示されたショット処理装置の縦断面図である。It is a longitudinal cross-sectional view of the shot processing apparatus shown by FIG. 図１に示されたショット処理装置の平断面図である。FIG. 2 is a plan sectional view of the shot processing apparatus shown in FIG. 1. 図１に示されるシャッタ機構の正面図である。FIG. 2 is a front view of the shutter mechanism shown in FIG. 1. 本発明の他の実施形態のショット処理装置の変形例を示す正面図である。It is a front view which shows the modification of the shot processing apparatus of other embodiment of this invention. 図７に示されるショット処理装置の左側面図である。FIG. 8 is a left side view of the shot processing apparatus shown in FIG. 7. 図７に示されるショット処理装置の平面図である。FIG. 8 is a plan view of the shot processing apparatus shown in FIG. 7. 図７に示されるショット処理装置の右側面図である。FIG. 8 is a right side view of the shot processing apparatus shown in FIG. 7. 図７に示される補給タンクの右側面図である。It is a right view of the replenishment tank shown by FIG. 参考例のショット処理装置の正面図である。It is a front view of the shot processing apparatus of a reference example. 図１２に示されるショット処理装置の側面図である。It is a side view of the shot processing apparatus shown by FIG. 図１２に示されるショット処理装置のキャビネットの平面断面図である。FIG. 13 is a plan sectional view of the cabinet of the shot processing apparatus shown in FIG. 12. 図１２に示されるショット処理装置のシャッタ機構の平面断面図である。FIG. 13 is a plan sectional view of a shutter mechanism of the shot processing apparatus shown in FIG. 12. 図１５のＡ－Ａ線に沿った断面図である。FIG. 16 is a cross-sectional view taken along line AA in FIG. 図１５のＢ－Ｂ線に沿った断面図である。FIG. 16 is a cross-sectional view taken along line BB in FIG.
　以下、図面に沿って、本発明の好ましい実施形態のショット処理装置１０について説明する。本実施形態のショット処理装置１０は、例えば、小物鋳造品であるワークＷのスケールやボンデ等を落すのに好適に使用される、所謂テーブル式ショットブラスト装置である。なお、本実施態様では、ワークＷは、扁平な自動車用部品、例えば、クラッチギア、リターンスプリング、ウェーブスプリング、バレルクラッチ、ドライブギア、クラッチピストン、鍛造ギア、ミッションギア等である。 Hereinafter, a shot processing apparatus 10 according to a preferred embodiment of the present invention will be described with reference to the drawings. The shot processing apparatus 10 of the present embodiment is a so-called table-type shot blasting apparatus that is preferably used to drop a scale, a bond, or the like of a workpiece W that is a small casting product. In the present embodiment, the workpiece W is a flat automotive part, for example, a clutch gear, a return spring, a wave spring, a barrel clutch, a drive gear, a clutch piston, a forged gear, a transmission gear, or the like.
　図１は、本発明の一実施形態のショット処理装置１０の正面図であり、図２は、ショット処理装置１０の側面図であり、図３は、ショット処理装置１０の平面図である。さらに、図４は、ショット処理装置１０の縦断面図であり、図５はショット処理装置１０の平断面図である。 FIG. 1 is a front view of a shot processing apparatus 10 according to an embodiment of the present invention, FIG. 2 is a side view of the shot processing apparatus 10, and FIG. 3 is a plan view of the shot processing apparatus 10. Further, FIG. 4 is a longitudinal sectional view of the shot processing apparatus 10, and FIG. 5 is a plan sectional view of the shot processing apparatus 10.
　このショット処理装置１０は、図１に示されているように、箱状に形成されたキャビネット１２を備えている。キャビネット１２の内部の背面側位置には、ワークＷに対して投射材が投射されショット処理が行われる投射室１４が設けられ、キャビネット１２の内部の正面側位置には、装置へのワークの搬入および搬出が行われるワーク搬入出室１６が設けられている。 The shot processing apparatus 10 includes a cabinet 12 formed in a box shape as shown in FIG. A projection chamber 14 in which a projection material is projected onto the work W and shot processing is performed is provided at the back side position inside the cabinet 12, and the work is loaded into the apparatus at the front side position inside the cabinet 12. In addition, a work loading / unloading chamber 16 in which the unloading is performed is provided.
　このキャビネット１２の投射室１４およびワーク搬入出室１６の下方には、円板状の公転テーブル１８が配置されている。この公転テーブルは、鉛直方向に延びる公転軸２０を中心に水平面内で回転駆動され、この回転（公転）により、公転テーブル１８の上面は、ワーク搬入出室１６から投射室１４に、さらに、ワーク搬入出室１６へと順次に水平方向に移動される。即ち、公転テーブル１８の上面は、ワーク搬入出室１６と投射室１４とを交互に通過する。 A disk-shaped revolving table 18 is disposed below the projection chamber 14 and the work loading / unloading chamber 16 of the cabinet 12. The revolving table is driven to rotate in a horizontal plane around a revolving shaft 20 extending in the vertical direction. By this rotation (revolution), the upper surface of the revolving table 18 is further moved from the work loading / unloading chamber 16 to the projection chamber 14 and further to the work piece. It is sequentially moved to the carry-in / out chamber 16 in the horizontal direction. That is, the upper surface of the revolving table 18 alternately passes through the workpiece carry-in / out chamber 16 and the projection chamber 14.
　上述したように、投射室１４はキャビネット１２の背面側に、ワーク搬入出室１６はキャビネット１２の正面側にそれぞれ設けられているので、これら投射室１４およびワーク搬入出室１６は、公転テーブル１８の径方向に対向した位置に設けられていることになる。 As described above, since the projection chamber 14 is provided on the back side of the cabinet 12 and the workpiece carry-in / out chamber 16 is provided on the front side of the cabinet 12, the projection chamber 14 and the workpiece carry-in / out chamber 16 are provided on the revolving table 18. It is provided at a position opposed to the radial direction.
　公転テーブル１８の上面の外周部には、公転テーブル１８の周方向に沿って複数の自転テーブル２２が環状に配置されている。自転テーブル２２は、鉛直方向に延びる回転軸を中心に自転可能に公転テーブル１８に取付けられている。そして、自転テーブル２２は、公転テーブル１８の回転（公転）に伴って、公転テーブル１８の外周部上の環状の移動経路に沿って、ワーク搬入出室１６から投射室１４、さらに、ワーク搬入出室１６へと移動される。 A plurality of rotation tables 22 are annularly arranged along the circumferential direction of the revolution table 18 on the outer peripheral portion of the upper surface of the revolution table 18. The rotation table 22 is attached to the revolution table 18 so as to be rotatable about a rotation axis extending in the vertical direction. Then, as the revolving table 18 rotates (revolves), the rotating table 22 moves from the work loading / unloading chamber 16 to the projection chamber 14 and further to the work loading / unloading along an annular movement path on the outer peripheral portion of the revolving table 18. Moved to chamber 16.
　この結果、自転テーブル２２に取付けられるワークＷも、公転テーブル１８の外周部上の環状の移動経路に沿って、ワーク搬入出室１６から投射室１４、さらに、ワーク搬入出室１６へと、移動される。 As a result, the workpiece W attached to the rotation table 22 also moves from the workpiece loading / unloading chamber 16 to the projection chamber 14 and further to the workpiece loading / unloading chamber 16 along an annular movement path on the outer periphery of the revolution table 18. Is done.
　さらに、図４に示されているように、キャビネット１２内の投射室１４の後方側(図４の右側)には、第１遠心投射機２４Ａおよび第２遠心投射機２４Ｂが設けられている。第１遠心投射機２４Ａおよび第２遠心投射機２４Ｂは、内蔵されたインペラによって投射材を投射する公知の遠心投射機である。 Further, as shown in FIG. 4, a first centrifugal projector 24 </ b> A and a second centrifugal projector 24 </ b> B are provided on the rear side (right side in FIG. 4) of the projection chamber 14 in the cabinet 12. The first centrifugal projector 24 </ b> A and the second centrifugal projector 24 </ b> B are known centrifugal projectors that project a projection material with a built-in impeller.
　第１遠心投射機２４Ａは、公転テーブル１２の表面の上方位置に、第２遠心投射機２４Ｂは、公転テーブル１２の裏面の下方位置に、それぞれ、設けられている。 The first centrifugal projector 24 </ b> A is provided at a position above the surface of the revolving table 12, and the second centrifugal projector 24 </ b> B is provided at a position below the back surface of the revolving table 12.
　第１遠心投射機２４Ａは、公転軸２０の軸線方向における公転テーブル１８の上方側に配置され、自転テーブル２２に取付けられ公転テーブル１２に回転により投射室１４内を水平方向に搬送されるワークＷに向けて、後方側斜め上方から、投射材を投射する。 The first centrifugal projector 24A is disposed on the upper side of the revolving table 18 in the axial direction of the revolving shaft 20, and is attached to the revolving table 22 and is transferred to the revolving table 12 in the horizontal direction in the projection chamber 14 by rotation. The projection material is projected toward the rear side obliquely from above.
　また、第２遠心投射機２４Ｂは、公転軸２０の軸線方向における公転テーブル１８の下側側に配置され、自転テーブル２２に取付けられ公転テーブル１２に回転により投射室１４を水平方向に搬送されるワークＷに向けて、後方側斜め下方から、投射材を投射する。 The second centrifugal projector 24 </ b> B is disposed on the lower side of the revolution table 18 in the axial direction of the revolution shaft 20, is attached to the revolution table 22, and is transported in the projection chamber 14 in the horizontal direction by rotation on the revolution table 12. A projection material is projected toward the workpiece W from obliquely below the rear side.
　これら第１および第２遠心投射機２４Ａ，２４Ｂに内蔵されたインペラ２６Ａ，２６Ｂの回転軸の軸線Ｌ２、Ｌ３は、公転軸２０の軸線Ｌ１が含まれる平面と同一平面内で、公転軸２０の軸線Ｌ１と所定の角度で交差するように延びている。ワークのバリ取り等の削食を主目的とする場合は、上記所定の角度は、25度～65度の範囲が好ましく、45度がより好ましい。 The axes L2 and L3 of the rotation shafts of the impellers 26A and 26B incorporated in the first and second centrifugal projectors 24A and 24B are in the same plane as the plane including the axis L1 of the revolution shaft 20, and It extends so as to intersect the axis L1 at a predetermined angle. When the main purpose is cutting such as deburring of workpieces, the predetermined angle is preferably in the range of 25 to 65 degrees, and more preferably 45 degrees.
　インペラ２６Ａ，２６Ｂのこのような配置によって、第１遠心投射機２４Ａおよび第２遠心投射機２４Ａ，２４Ｂから投射された投射材は、公転テーブル１２の径方向外方位置から公転軸２０に向かって平面視で扇形状に拡がるように、すなわち、投射室１４内のワークＷの搬送方向に扇形状に拡がるように放出される(図５)。 By such an arrangement of the impellers 26A and 26B, the projection material projected from the first centrifugal projector 24A and the second centrifugal projectors 24A and 24B is directed from the radially outward position of the revolution table 12 toward the revolution shaft 20. It is discharged so as to expand in a fan shape in a plan view, that is, to expand in a fan shape in the conveying direction of the workpiece W in the projection chamber 14 (FIG. 5).
　投射室１４の下方には、投射室１４から落下した投射材を搬送するための下部スクリューコンベヤ２８が設けられている。また、この下部スクリューコンベヤ２８の下流側(図１の右側)には、図１に示されているように、外部から投射材を導入、あるいは補充するための投射材補給口３０と、投射材を装置上部に搬送するためのバケットエレベータ３２が設けられている。更に、バケットエレベータ３２の上方には、このバケットエレベータ３２を駆動させるエレベータ駆動モータ３４、投射材に混入した異物を取り除くセパレータ３６、ダクト３８等が設けられている。 Below the projection chamber 14 is provided a lower screw conveyor 28 for transporting the projection material dropped from the projection chamber 14. Further, on the downstream side of the lower screw conveyor 28 (the right side in FIG. 1), as shown in FIG. 1, a projection material supply port 30 for introducing or replenishing the projection material from the outside, and a projection material A bucket elevator 32 is provided for transporting the vehicle to the upper part of the apparatus. Further, an elevator drive motor 34 for driving the bucket elevator 32, a separator 36 for removing foreign matters mixed in the projection material, a duct 38, and the like are provided above the bucket elevator 32.
　セパレータ３６の投射材搬送方向下流には、セパレータ３６を通過した投射材が一時的に収容される投射材タンク４０と、流量調整装置４２Ａ，４２Ｂと、導入管４４Ａ，４４Ｂとが配置され、回収等された投射材は、再び、遠心投射機２４Ａ，２４Ｂに供給される。 A projection material tank 40 in which the projection material that has passed through the separator 36 is temporarily accommodated, flow rate adjusting devices 42A and 42B, and introduction pipes 44A and 44B are disposed downstream of the separator 36 in the direction in which the projection material is conveyed. The equalized projection material is again supplied to the centrifugal projectors 24A and 24B.
　また、キャビネット１２の正面側(図１の左側)には、自転テーブル２２を回転駆動する自転テーブル駆動モータ４６と、下部スクリューコンベヤ２８を駆動する下部スクリューコンベヤ駆動モータ４８と、装置全体の作動を制御する制御盤５０が設けられている。さらに、キャビネット１２の天井部の上には、公転テーブル１８を回転駆動する公転テーブル駆動部５２が設けられている。 Further, on the front side of the cabinet 12 (left side in FIG. 1), the rotation table drive motor 46 that rotates the rotation table 22, the lower screw conveyor drive motor 48 that drives the lower screw conveyor 28, and the operation of the entire apparatus are operated. A control panel 50 for control is provided. Further, a revolving table drive unit 52 that rotates the revolving table 18 is provided on the ceiling of the cabinet 12.
　図２に示されているように、キャビネット１２には、装置上部に設けられたプラットホーム５４への昇降用の梯子５６と、ワーク搬入出室１６内で、ワーク取付け手段を構成する自転テーブル２２にワークＷをセットするワーク搬入出装置５８が設けられている。 As shown in FIG. 2, the cabinet 12 includes a ladder 56 for raising and lowering the platform 54 provided in the upper part of the apparatus, and a rotating table 22 that constitutes a work attachment means in the work loading / unloading chamber 16. A workpiece carry-in / out device 58 for setting the workpiece W is provided.
　図３に示されているように、ワーク搬入出室１６は、公転テーブル１８の回転方向上流側および下流側が、シャッタ６０によって仕切られている。２つのシャッタ６０は、それぞれ、シャッタシリンダ６２によって駆動される。図３、および図５に示されているように、これらシャッタ６０は、キャビネット１２における遠心投射機２４Ａ，２４Ｂが設けられた側と反対側（すなわち、キャビネット１２の中央半分よりも正面側）に設けられている。 As shown in FIG. 3, in the work loading / unloading chamber 16, the upstream and downstream sides in the rotational direction of the revolving table 18 are partitioned by a shutter 60. The two shutters 60 are each driven by a shutter cylinder 62. As shown in FIGS. 3 and 5, these shutters 60 are provided on the opposite side of the cabinet 12 from the side where the centrifugal projectors 24 </ b> A and 24 </ b> B are provided (that is, on the front side of the central half of the cabinet 12). Is provided.
　このシャッタ６０は、シャッタシリンダ６０によって、自転テーブル２２の環状の移動経路から退避されて自転テーブル２２の通過を許容する開位置（矢印Ａ側にスライドされた位置）と、複数の自転テーブル２２の環状の移動経路に進入して投射室１４とワーク搬入出室１６との間を仕切る閉位置（矢印Ｂ側にスライドされた位置）とに変位可能とされている。 The shutter 60 is retracted from the annular movement path of the rotation table 22 by the shutter cylinder 60 and is allowed to pass through the rotation table 22 (a position slid to the arrow A side). It can be displaced to a closed position (position slid to the arrow B side) that enters the annular movement path and partitions between the projection chamber 14 and the work loading / unloading chamber 16.
　図１、図２に示されるバケットエレベータ３２の右側には、図３に示されているように、吸出口６４が形成されている。また、図５に示されているように、キャビネット１２には、遠心投射機２４Ｂが一体に組み付けられた扉６６、この扉６６を開閉可能に支持する丁番６８、及び、扉６６をキャビネット１２に固定する固定金具７０が設けられている。 A suction port 64 is formed on the right side of the bucket elevator 32 shown in FIGS. 1 and 2 as shown in FIG. As shown in FIG. 5, the cabinet 12 includes a door 66 with the centrifugal projector 24 </ b> B integrally assembled, a hinge 68 that supports the door 66 so that it can be opened and closed, and the door 66. A fixing metal fitting 70 is provided to be fixed to.
　図４に示されているように、キャビネット１２の天井部には、公転軸２０の上部を回転可能に支持する軸受７２が設けられており、この軸受７２の上方には、公転軸２０に連結されたトルクリミッタ７４が設けられている。また、このトルクリミッタ７４の後方側には、公転軸２０を回転させる公転テーブル駆動モータ７６が設けられている。 As shown in FIG. 4, a bearing 72 that rotatably supports the upper portion of the revolution shaft 20 is provided on the ceiling of the cabinet 12, and is connected to the revolution shaft 20 above the bearing 72. A torque limiter 74 is provided. A revolution table drive motor 76 that rotates the revolution shaft 20 is provided on the rear side of the torque limiter 74.
　一方、各自転テーブル２２の下方には、自転テーブル駆動プーリ７８が設けられている。さらに、公転テーブル１８の下方位置には、駆動モータ（図示せず）によって駆動され所定経路を走行する無端の六角ベルト８０が配置されている。六角ベルト８０は、投射室１４の内部に位置している自転テーブル２２の自転テーブル駆動プーリ７８に巻回されるように配置されている。この結果、自転テーブル２２は、投射室１４の内部に位置しているとき、自転テーブル駆動プーリ７８に六角ベルト８０が係合し、自転テーブル駆動モータ４６から回転力を伝達されて自転する。この自転テーブル駆動プーリ７８の下方には、公転軸２０の下部を回転可能に支持する軸受８２が設けられている。 On the other hand, a rotation table drive pulley 78 is provided below each rotation table 22. Furthermore, an endless hexagonal belt 80 that is driven by a drive motor (not shown) and travels on a predetermined route is disposed below the revolving table 18. The hexagonal belt 80 is disposed so as to be wound around a rotation table driving pulley 78 of the rotation table 22 located inside the projection chamber 14. As a result, when the rotation table 22 is located inside the projection chamber 14, the hexagon belt 80 is engaged with the rotation table drive pulley 78, and the rotation force is transmitted from the rotation table drive motor 46 to rotate. A bearing 82 that rotatably supports the lower portion of the revolution shaft 20 is provided below the rotation table drive pulley 78.
　図５に示されているように、複数の自転テーブル２２の移動経路における投射室１４とシャッタ６０との間には、複数の自転テーブル２２の通過を許容しつつ、投射材や埃を遮断する両開き扉状のゴムシール８４が設けられている。 As shown in FIG. 5, the projection material and dust are blocked while allowing the plurality of rotation tables 22 to pass between the projection chamber 14 and the shutter 60 in the movement path of the plurality of rotation tables 22. A double door-like rubber seal 84 is provided.
　また、図６に示されているように、自転テーブル２２には、受け治具８６が設けられており、自転テーブル駆動モータ４６（図１参照）の下方には、ホッパ８８が設けられている。シャッタシリンダ６２には、ガイドロッド９０を備えたシリンダが用いられている。このシャッタシリンダ６２は、シャッタフレーム９２に固定されている。 Further, as shown in FIG. 6, the rotating table 22 is provided with a receiving jig 86, and a hopper 88 is provided below the rotating table drive motor 46 (see FIG. 1). . As the shutter cylinder 62, a cylinder having a guide rod 90 is used. The shutter cylinder 62 is fixed to the shutter frame 92.
　本実施態様では、ワークＷは、中央に貫通孔を備え、この貫通孔に受け治具８６の突出部が挿入されることによって、受け治具８６に取付けられる。 In the present embodiment, the workpiece W has a through hole at the center, and the protrusion of the receiving jig 86 is inserted into the through hole, so that the work W is attached to the receiving jig 86.
　本実施態様のショット処理装置１０は、更に、集塵機９４と、集塵機ファン９６と、オーバーフローパイプ９８と、粉出しパイプ１００と、セトリングチャンバ１０２とを備えている。粉出しパイプ１００は、回収された投射材中に混入しているバリ、破砕された投射材のうち、集じん機９４に吸引されなかった比較的大きな成分を装置外に排出する機能を有する。 The shot processing apparatus 10 of the present embodiment further includes a dust collector 94, a dust collector fan 96, an overflow pipe 98, a powdering pipe 100, and a settling chamber 102. The powdering pipe 100 has a function of discharging a relatively large component that has not been sucked into the dust collector 94 out of burrs and crushed projection material mixed in the collected projection material to the outside of the apparatus.
　次に、本実施態様のショット処理装置１０の動作について説明する。
　先ず、キャビネット１２のワーク搬入出室１６内に位置する自転テーブル２２の受け治具８６に、作業者、又はワーク搬入出装置５８によって、ワークＷが取付けられる。このとき、ワーク搬入出室１６内の自転テーブル２２の受け治具８６に、処理済みのワークＷが取付けられていたときには、この処理済みのワークＷが取り外される。 Next, the operation of the shot processing apparatus 10 of this embodiment will be described.
First, the workpiece W is attached to the receiving jig 86 of the rotation table 22 located in the workpiece loading / unloading chamber 16 of the cabinet 12 by the worker or the workpiece loading / unloading device 58. At this time, when the processed workpiece W is attached to the receiving jig 86 of the rotation table 22 in the workpiece loading / unloading chamber 16, the processed workpiece W is removed.
　次いで、シャッタ６０を開位置に配置した状態で、公転テーブル１８を、タクト運転で、自転テーブル２２の１又は２個分の角度だけ回転させる。このとき、投射室１４とワーク搬入出室１６との間は、両開き扉状のゴムシール８４により仕切られているので、自転テーブル２２の通過は許容されるが、ワーク搬入出室１６への投射材や粉塵の漏れが防止される。 Next, with the shutter 60 placed at the open position, the revolution table 18 is rotated by an angle corresponding to one or two of the rotation table 22 by tact operation. At this time, since the projection chamber 14 and the workpiece loading / unloading chamber 16 are partitioned by a double door-like rubber seal 84, the rotation table 22 is allowed to pass, but the projection material to the workpiece loading / unloading chamber 16 is allowed. And leakage of dust is prevented.
　投射室１４に進入した自転テーブル２２の自転テーブル駆動プーリ７８には、二本の六角ベルト８０が巻き掛けられ、この自転テーブル２２が投射室１４を通過している間、自転テーブル２２が回転される。 Two hexagonal belts 80 are wound around the rotation table drive pulley 78 of the rotation table 22 that has entered the projection chamber 14, and the rotation table 22 is rotated while the rotation table 22 passes through the projection chamber 14. The
　また、このときに、この自転テーブル２２に保持されて回転されているワークＷに向けて遠心投射機２４Ａ，２４Ｂから投射材が投射され、ワークＷが研掃処理される。また、シャッタ６０は、ワークＷに向けて遠心投射機２４Ａ，２４Ｂから投射材が投射される間は、閉じた状態とされる。 Further, at this time, the projection material is projected from the centrifugal projectors 24A and 24B toward the workpiece W held and rotated by the rotation table 22, and the workpiece W is subjected to a polishing process. The shutter 60 is in a closed state while the projection material is projected from the centrifugal projectors 24A and 24B toward the workpiece W.
　ワークＷに向けて投射された投射材は、公転テーブル１８から落下してホッパ８８に流れ、下部スクリューコンベヤ２８によってバケットエレベータ３２に送られる。さらに、バケットエレベータ３２で上方に搬送された投射材は、セパレータ３６に入り、風選分離され、使用可能な投射材は、投射材タンク４０、流量調整装置４２Ａ，４２Ｂ、導入管４４Ａ，４４Ｂを経て、再び、遠心投射機２４Ａ，２４Ｂに供給される。
　なお、使用可能な投射材を、図示しない上部スクリューコンベヤを介して、遠心投射機２４Ａ，２４Ｂに送る構成でもよい。 The projection material projected toward the workpiece W falls from the revolving table 18 and flows to the hopper 88 and is sent to the bucket elevator 32 by the lower screw conveyor 28. Further, the projection material conveyed upward by the bucket elevator 32 enters the separator 36 and is separated by wind separation. Usable projection materials are the projection material tank 40, the flow rate adjusting devices 42A and 42B, and the introduction pipes 44A and 44B. Then, it is supplied again to the centrifugal projectors 24A and 24B.
In addition, the structure which sends the usable projection material to the centrifugal projectors 24A and 24B via an upper screw conveyor (not shown) may be used.
　また、セパレータ３６にて分離された投射材以外の粉塵等は、ダクト３８を通ってセトリングチャンバ１０２に流される。そして、このセトリングチャンバ１０２で、粗い微粉が分離され、この粗い微粉はセトリングチャンバ１０２の下方に設けられた受け箱に入り、その後、破棄される。 Further, dust other than the projection material separated by the separator 36 flows through the duct 38 to the settling chamber 102. The coarse fine powder is separated in the settling chamber 102, and the coarse fine powder enters a receiving box provided below the settling chamber 102, and is then discarded.
　一方、セトリングチャンバ１０２内で分離された細かな微粉は、ダクト３８をエアと共に流れ、集塵機９４に入る。そして、この集塵機９４においてエアとダストに分離される。このエアは集塵機９４のファン９６を通り外部へ排出される。一方、ダストは、集塵機９４の下に設けられた受け箱に集められ、その後、廃棄される。 On the other hand, fine fine powder separated in the settling chamber 102 flows along with the air through the duct 38 and enters the dust collector 94. And in this dust collector 94, it isolate | separates into air and dust. This air passes through the fan 96 of the dust collector 94 and is discharged to the outside. On the other hand, the dust is collected in a receiving box provided under the dust collector 94 and then discarded.
　次に、上記実施形態のショット処理装置１０の作用効果について説明する。
　以上詳述したショット処理装置１０によれば、第１遠心投射機２４Ａおよび第２遠心投射機２４Ａ，２４Ｂから投射された投射材が、投射室１４内のワークＷの搬送方向に扇形状に拡がるように放出されるので、処理効率を向上させることができる。 Next, functions and effects of the shot processing apparatus 10 of the above embodiment will be described.
According to the shot processing apparatus 10 described in detail above, the projection material projected from the first centrifugal projector 24A and the second centrifugal projectors 24A, 24B spreads in a fan shape in the conveying direction of the workpiece W in the projection chamber 14. Thus, the processing efficiency can be improved.
　また、このショット処理装置１０には、上述したように、複数の自転テーブル２２の移動経路から退避されて自転テーブル２２の通過を許容する開位置と、複数の自転テーブル２２の移動経路に進入して投射室１４とワーク搬入出室１６との間を仕切る閉位置とに変位するシャッタ６０が備えられている。
　従って、このシャッタ６０が閉位置に位置されることにより、遠心投射機２４Ａ，２４Ｂから投射された投射材が、ワーク搬入出室１６内に進入することを抑制することがされる。 Further, as described above, the shot processing apparatus 10 enters the movement position of the plurality of rotation tables 22 and the open position where the rotation tables 22 are allowed to pass by being retracted from the movement paths of the plurality of rotation tables 22. A shutter 60 that is displaced to a closed position that partitions the projection chamber 14 and the work loading / unloading chamber 16 is provided.
Therefore, when the shutter 60 is positioned at the closed position, the projection material projected from the centrifugal projectors 24 </ b> A and 24 </ b> B is prevented from entering the workpiece carry-in / out chamber 16.
　さらに、シャッタ６０は、キャビネット１２における遠心投射機２４Ａ，２４Ｂが設けられた側と反対側（正面側）に設けられている。従って、シャッタ６０が遠心投射機２４Ａ，２４Ｂから遠い位置に配置されているので、遠心投射機２４Ａ，２４Ｂから投射された投射材がワーク搬入出室１６に飛来することがより一層効果的に抑制される。 Furthermore, the shutter 60 is provided on the opposite side (front side) of the cabinet 12 to the side where the centrifugal projectors 24A and 24B are provided. Therefore, since the shutter 60 is disposed at a position far from the centrifugal projectors 24A and 24B, the projection material projected from the centrifugal projectors 24A and 24B is more effectively suppressed from flying into the work loading / unloading chamber 16. Is done.
　さらにまた、複数の自転テーブル２２の移動経路における投射室１４とシャッタ６０との間には、ゴムシール８４が設けられている。
　従って、このゴムシールによっても、遠心投射機２４Ａ，２４Ｂから投射された投射材がワーク搬入出室１６に飛来することを抑制することがされる。 Furthermore, a rubber seal 84 is provided between the projection chamber 14 and the shutter 60 in the movement path of the plurality of rotation tables 22.
Therefore, this rubber seal can also prevent the projection material projected from the centrifugal projectors 24 </ b> A and 24 </ b> B from flying into the workpiece carry-in / out chamber 16.
　また、遠心投射機２４Ａ，２４Ｂは、図４に示されているように、公転軸２０の軸線方向における公転テーブル１８の両側（上面側と下面側）にそれぞれ設けられている。
　従って、遠心投射機２４Ａ，２４Ｂから投射される投射材の範囲をワークＷの高さ方向の異なる角度からワークに投射することができる。 Further, as shown in FIG. 4, the centrifugal projectors 24 </ b> A and 24 </ b> B are respectively provided on both sides (upper surface side and lower surface side) of the revolution table 18 in the axial direction of the revolution shaft 20.
Therefore, the range of the projection material projected from the centrifugal projectors 24A and 24B can be projected onto the workpiece from different angles in the height direction of the workpiece W.
　本発明は上記実施形態に限定されることなく、特許請求の範囲に記載された範囲内で種々の変更、変形が可能である。 The present invention is not limited to the above-described embodiment, and various changes and modifications can be made within the scope described in the claims.
　例えば、本発明は図７ないし図１１に示されているショット処理装置２１０のような構成でもよい。ショット処理装置２１０の基本的な構成は、上述のショット処理装置１０と同一である。以下、ショット処理装置２１０について、上述のショット処理装置１０と同様の機能を有する要素には、図中で同一符合を用い、その説明を省略する。図７，図９，図１１において示される符合１０４は、ショット補給タンクである。 For example, the present invention may be configured as the shot processing apparatus 210 shown in FIGS. The basic configuration of the shot processing apparatus 210 is the same as that of the shot processing apparatus 10 described above. Hereinafter, for the shot processing apparatus 210, elements having the same functions as those of the above-described shot processing apparatus 10 are denoted by the same reference numerals in the drawing, and description thereof is omitted. Reference numeral 104 shown in FIGS. 7, 9, and 11 is a shot replenishment tank.
　図７ないし図１１に示されるショット処理装置２１０では、遠心投射機２４におけるインペラ２６の回転軸は、公転テーブル１８の回転中心軸である公転軸２０の軸線が含まれる平面と同一平面内を延び、且つ公転軸２０と交差する軸線に沿って設けられている（図８等参照）。 In the shot processing device 210 shown in FIGS. 7 to 11, the rotation axis of the impeller 26 in the centrifugal projector 24 extends in the same plane as the plane including the axis of the revolution shaft 20 that is the rotation center axis of the revolution table 18. And along the axis intersecting the revolution axis 20 (see FIG. 8 and the like).
　また、上述の実施形態では、インペラ２６Ａ，２６Ｂが、公転軸２０の軸線と交差する軸線に沿って設けられた回転軸を中心に回転する構成とされていたが、インペラが、公転軸の軸線が含まれる平面と同一平面内を延び、且つ公転軸の軸線と平行な軸線に沿って設けられた回転軸を中心に回転する構成でも良い。 Further, in the above-described embodiment, the impellers 26A and 26B are configured to rotate around the rotation axis provided along the axis intersecting with the axis of the revolution shaft 20, but the impeller is the axis of the revolution axis. It may be configured to rotate around a rotation axis extending along an axis parallel to the axis of the revolution axis and extending in the same plane as the plane including the rotation axis.
　図１２ないし図１７には、参考例のショット処理装置２２０が示されている。
　このショット処理装置２２０の基本的な構成も、上記ショット処理装置１０と同様である。したがって、ショット処理装置２２０についても、ショット処理装置１０と同様の機能を有する部材には、同一符合を用い、その説明を省略する。 12 to 17 show a shot processing apparatus 220 of a reference example.
The basic configuration of the shot processing apparatus 220 is the same as that of the shot processing apparatus 10. Therefore, the same reference numerals are used for members having the same functions as those of the shot processing apparatus 10 in the shot processing apparatus 220, and description thereof is omitted.
　ショット処理装置２２０では、遠心投射機２４におけるインペラ２６の回転軸は、公転テーブル１８の回転中心軸である公転軸２０の軸線とねじれの位置関係にある軸線に沿って設けられている（図１３等参照）。 In the shot processing apparatus 220, the rotation axis of the impeller 26 in the centrifugal projector 24 is provided along an axis line that is in a torsional positional relationship with the axis line of the revolution axis 20 that is the rotation center axis of the revolution table 18 (FIG. 13). Etc.).
　また、上記実施形態では、遠心投射機２４Ａ，２４Ｂは、インペラ２６Ａ，２６Ｂが公転軸２０の軸線と交差する軸線に沿って設けられた回転軸を中心に回転する構成とされていたが、インペラ２６Ａ，２６Ｂが公転軸２０の軸線と平行な軸線に沿って設けられた回転軸を中心に回転する構成とされていても良い。 In the above embodiment, the centrifugal projectors 24A and 24B are configured such that the impellers 26A and 26B rotate around the rotation axis provided along the axis that intersects the axis of the revolution shaft 20. 26A and 26B may be configured to rotate around a rotation axis provided along an axis parallel to the axis of the revolution shaft 20.
１０：ショット処理装置
１２：キャビネット
１４：投射室
１６：ワーク搬入出室
１８：公転テーブル
２０：公転軸
２２：自転テーブル
２４Ａ：第１遠心投射機
２４Ｂ：第２遠心投射機
２６Ａ：（第１遠心投射機の）インペラ
２６Ｂ：（第２遠心投射機の）インペラ
Ｌ１：公転軸の軸線
Ｌ２：（第１遠心投射機の）インペラの回転軸線
Ｌ３：（第２遠心投射機の）インペラの回転軸線
Ｗ：ワーク 10: Shot processing device 12: Cabinet 14: Projection chamber 16: Work loading / unloading chamber 18: Revolution table 20: Revolution shaft 22: Revolving table 24A: First centrifugal projector 24B: Second centrifugal projector 26A: (First centrifugal Impeller 26B (of the projector): Impeller L1 (of the second centrifugal projector) L1 axis of revolution axis L2: Rotation axis of the impeller (of first centrifugal projector) L3: Rotation axis of the impeller (of second centrifugal projector) W: Work

Claims (9)

  1. 　インペラを備えた遠心投射機から投射材を投射してショット処理を施すショット処理装置であって、
    　キャビネット内で公転軸を中心に回転駆動され、その表面が前記キャビネット内に設けられたワーク搬入出室と投射室とを交互に通過する公転テーブルと、
    　該公転テーブルの表面に配置された複数のワーク取付け手段と、
    　前記ワーク取付け手段に取付けられたワークに投射材を投射する遠心投射機であって、前記公転軸が含まれる平面内を延びる回転軸を中心に回転駆動されるインペラによって、投射材を前記公転軸に向かって平面視で扇形に拡がるよう放出し、前記投射室内に位置した前記ワークに投射材を投射する遠心投射機と、を備えている、
    　ことを特徴とするショット処理装置。     A shot processing apparatus that performs shot processing by projecting a projection material from a centrifugal projector equipped with an impeller,
    A revolving table that is driven to rotate around a revolving axis in the cabinet, and whose surface alternately passes through the work loading / unloading chamber and the projection chamber provided in the cabinet;
    A plurality of work mounting means disposed on the surface of the revolving table;
    A centrifugal projector for projecting a projection material onto a workpiece attached to the workpiece attachment means, wherein the revolution shaft is driven by an impeller that is driven to rotate about a rotation axis extending in a plane including the revolution shaft. And a centrifugal projector that projects a projection material onto the workpiece located in the projection chamber.
    A shot processing apparatus.
  2. 　前記公転テーブルが円形状を有し、
    　前記複数のワーク取付け手段が、前記公転テーブルの外縁に沿って配置され、前記公転テーブルに対して自転可能に取付けられた自転テーブルを備えている、
    　請求項１に記載のショット処理装置。     The revolution table has a circular shape,
    The plurality of work attachment means includes a rotation table disposed along an outer edge of the revolution table and attached to the revolution table so as to be capable of rotation.
    The shot processing apparatus according to claim 1.
  3. 　前記投射室と前記ワーク搬入出室とを開閉自在に仕切るシャッタを備えている、
    　請求項１または２に記載のショット処理装置。     Comprising a shutter for freely opening and closing the projection chamber and the workpiece loading / unloading chamber;
    The shot processing apparatus according to claim 1.
  4. 　前記シャッタが、前記複数の自転テーブルの移動経路から退避された開位置と、前記複数の自転テーブルの移動経路に進入して前記投射室と前記ワーク搬入出室との間を仕切る閉位置との間を移動可能である、
    　請求項３に記載のショット処理装置。     An open position where the shutter is retracted from a movement path of the plurality of rotation tables, and a closed position which enters the movement path of the plurality of rotation tables and partitions the projection chamber and the work loading / unloading chamber. Can move between,
    The shot processing apparatus according to claim 3.
  5. 　前記ワーク搬入出室と投射室とは、前記公転テーブルの径方向に対向する位置に設けられている、
    　請求項１または２に記載のショット処理装置。     The work loading / unloading chamber and the projection chamber are provided at positions facing the radial direction of the revolving table,
    The shot processing apparatus according to claim 1.
  6. 　前記投射室と前記シャッタとの間に配置されたゴムシールを備えている、
    　請求項１または２に記載のショット処理装置。     Comprising a rubber seal disposed between the projection chamber and the shutter;
    The shot processing apparatus according to claim 1.
  7. 　前記遠心投射機は、前記公転テーブルの一方の面側と他方の面側のそれぞれに設けられている、
    　請求項１または２に記載のショット処理装置。     The centrifugal projector is provided on each of one surface side and the other surface side of the revolving table,
    The shot processing apparatus according to claim 1.
  8. 　前記複数の自転テーブルは、前記投射室の内のみで自転すれる、
    　請求項１または２に記載のショット処理装置。     The plurality of rotation tables are rotated only within the projection chamber.
    The shot processing apparatus according to claim 1.
  9. 　前記複数の自転テーブルのそれぞれに一体回転可能に設けられた自転テーブル駆動プーリと、
    　前記自転テーブルが前記投射室の内に位置しているときにのみ、前記自転テーブル駆動プーリに巻き掛けられる六角ベルトと、
    　前記六角ベルトを介して前記自転テーブル駆動プーリを回転させる自転テーブル駆動モータと、を備えている、
    　請求項８に記載のショット処理装置。     A rotation table drive pulley provided to be rotatable integrally with each of the plurality of rotation tables;
    A hexagonal belt wound around the rotation table drive pulley only when the rotation table is located in the projection chamber;
    A rotation table drive motor that rotates the rotation table drive pulley via the hexagonal belt,
    The shot processing apparatus according to claim 8.
PCT/JP2012/067055 2011-07-07 2012-07-04 Shot processing device WO2013005763A1 (en)

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JP2011-151103 2011-07-07

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CN103567882A (en) * 2013-10-28 2014-02-12 浙江阿克希龙舜华铝塑业有限公司 Surface polishing device for lipstick tube
CN104924222A (en) * 2015-06-29 2015-09-23 芜湖瑞鹄铸造有限公司 Clean-room door plate structure for shot blasting machine
WO2016027554A1 (en) * 2014-08-20 2016-02-25 日本発條株式会社 Vertical motion impeller-type shot peening device and coil spring
CN108942694A (en) * 2018-09-12 2018-12-07 嘉兴岱源真空科技有限公司 Ball blast mirror grinding machine
CN116117699A (en) * 2023-01-18 2023-05-16 盐城迪尔特抛丸设备有限公司 High-stability crawler-type shot blasting machine

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CN116117699A (en) * 2023-01-18 2023-05-16 盐城迪尔特抛丸设备有限公司 High-stability crawler-type shot blasting machine

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