TWI637815B - Shot blasting device - Google Patents
Shot blasting device Download PDFInfo
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- TWI637815B TWI637815B TW104123056A TW104123056A TWI637815B TW I637815 B TWI637815 B TW I637815B TW 104123056 A TW104123056 A TW 104123056A TW 104123056 A TW104123056 A TW 104123056A TW I637815 B TWI637815 B TW I637815B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
- B24C3/14—Apparatus using impellers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/06—Impeller wheels; Rotor blades therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Spray Control Apparatus (AREA)
- Threshing Machine Elements (AREA)
- Cleaning In General (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
本發明之目的在於提供一種抑制投射機之台數並且可對板狀之工件進行良好之表面處理加工的珠擊處理裝置。 SUMMARY OF THE INVENTION An object of the present invention is to provide a bead blasting apparatus which can suppress the number of projection machines and can perform a good surface treatment on a plate-shaped workpiece.
本發明之珠擊處理裝置10係具備:滾輪運送機20,具有隔介間隔而平行地配置之滾輪,且由滾輪搬送工件;以及複數個投射機40,在滾輪運送機之上方側位置及下方側位置於搬送方向交互地偏離之狀態下,朝與搬送方向正交之方向排列配置,以將投射材投射至滾輪運送機上之工件。投射機係具有:控制籠92,係具有圓筒形狀,且以中心軸線朝工件之搬送方向延伸之方式配置,對內部供給投射材,且形成有開口窗;以及葉輪100,具備複數個葉板,且以控制籠之中心軸線為中心旋轉,並且在葉板之表面設置有朝旋轉方向後方側傾斜之後傾部;開口窗係具有彼此連通之第1開口62及第2開口64,該第1開口及第2開口係具備二邊與控制籠之中心軸線平行的矩形形狀,且在一部分在控制籠之中心軸方向重疊之狀態下朝控制籠之周方向偏置,且於控制籠之中心軸線方向鄰接配置。 The bead blasting apparatus 10 of the present invention includes a roller conveyor 20 having rollers arranged in parallel at intervals and transporting workpieces by rollers, and a plurality of projectors 40 positioned above and below the roller conveyor The side positions are arranged in a direction orthogonal to the conveyance direction in a state where the conveyance directions are alternately displaced to project the projection material onto the workpiece on the roller conveyor. The projector has a control cage 92 having a cylindrical shape and arranged to extend in a direction in which the central axis extends toward the workpiece, and a projection material is supplied to the inside, and an opening window is formed; and the impeller 100 is provided with a plurality of blades And rotating around the central axis of the control cage, and providing a tilting portion on the surface of the blade that is inclined toward the rear side in the rotation direction; the opening window has a first opening 62 and a second opening 64 that communicate with each other, the first The opening and the second opening have a rectangular shape in which the two sides are parallel to the central axis of the control cage, and are offset toward the circumferential direction of the control cage in a state in which a part of the control cage overlaps in the central axis direction, and are at the central axis of the control cage. Directional adjacency configuration.
Description
本發明係關於一種珠擊處理裝置,詳細而言係指將投射材投射至沿著搬送路徑而搬送之板狀之工件的珠擊處理裝置。 The present invention relates to a bead blast processing apparatus, and more specifically to a bead blast processing apparatus that projects a projection material onto a plate-shaped workpiece conveyed along a conveyance path.
已知有一種將投射材投射至板狀之工件、特別是寬度較寬之板狀的工件(例如寬度較寬的鋼板等)而進行表面處理加工之珠擊處理裝置(專利文獻1)。在該珠擊處理裝置中,為了均勻地將投射材投射在鋼板,係朝與搬送路徑正交之方向排列配置複數台投射機,以將投射材投射至寬幅之工件。 There is known a beading treatment apparatus that projects a projection material onto a plate-shaped workpiece, particularly a plate-shaped workpiece having a wide width (for example, a steel plate having a wide width), and performs surface treatment (Patent Document 1). In the bead blasting apparatus, in order to uniformly project the projecting material on the steel sheet, a plurality of projectors are arranged in a direction orthogonal to the transport path to project the projecting material onto the wide workpiece.
(專利文獻) (Patent Literature)
專利文獻1:日本再公表特許WO2011/062056號公報 Patent Document 1: Japanese Reissue No. WO2011/062056
然而,若以珠擊處理裝置使用之投射機的台數變多時,會有珠擊處理裝置大型化之問題。 However, if the number of projectors used in the bead blasting apparatus increases, there is a problem that the bead blasting apparatus is enlarged.
本發明係為了應對上述問題而研創者,其目的在於提供一種珠擊處理裝置,該珠擊處理裝置係能夠抑制投射機之台數,並且可對板狀之工件進行良好之表面處理加工。 The present invention has been made in an effort to cope with the above problems, and an object of the invention is to provide a bead blasting apparatus capable of suppressing the number of projection machines and performing a good surface treatment on a plate-shaped workpiece.
依據本發明,提供一種珠擊處理裝置,係具備:滾輪運送機,具有隔介間隔而平行地配置之複數個滾輪,且藉由該前述複數個滾輪之旋轉而將板狀之工件朝搬送方向搬送;以及複數個離心式之投射機,在前述滾輪運送機之上方側位置及下方側位置於前述搬送方向交互地偏離之狀態下,朝與前述搬送方向正交之方向排列配置,以將投射材投射至前述滾輪運送機上之工件;前述投射機係具有:控制籠,係具有圓筒形狀,且以中心軸線朝前述工件之搬送方向延伸之方式配置,對內部供給投射材,且在側壁形成有作為前述投射材之排出口的開口窗;以及葉輪,係具備以朝前述控制籠之直徑方向外側延伸之方式配置在前述控制籠之外側之複數個葉板,且以前述控制籠之中心軸線為中心旋轉,並且在前述葉板之旋轉方向前方側的表面設置有朝旋轉方向後方側傾斜之後傾部;前述開口窗係具有彼此連通之第1開口及第2開口,前述第1開口及第2開口係具備二邊與前述控制籠之 中心軸線平行的矩形形狀,且在一部分於前述控制籠之中心軸方向重疊之狀態下朝前述控制籠之周方向偏置,且於前述控制籠之中心軸線方向鄰接配置。 According to the present invention, there is provided a bead blasting apparatus comprising: a roller conveyor having a plurality of rollers arranged in parallel at intervals; and the plate-shaped workpiece is oriented in a conveying direction by rotation of the plurality of rollers And a plurality of centrifugal projectors arranged in a direction orthogonal to the transport direction in a state in which the upper side position and the lower side position of the roller conveyor are alternately displaced in the transport direction to project a projection Projecting the workpiece onto the workpiece on the roller conveyor; the projection machine has a control cage having a cylindrical shape and extending toward the conveying direction of the workpiece by a central axis, and supplying the projection material to the inside, and the side wall An opening window as a discharge port of the projection material; and an impeller having a plurality of blades arranged on the outer side of the control cage so as to extend outward in a diameter direction of the control cage, and at the center of the control cage The axis is rotated centrally, and a surface on the front side of the rotation direction of the blade is provided with a rearward side toward the rotation direction After tilting portion; the window opening of the communication system having a first opening and a second opening with each other, the first opening and second opening lines is provided with the two sides of the control cage The central axis is parallel in a rectangular shape, and is partially offset in the circumferential direction of the control cage in a state in which a part of the control cage is overlapped in the central axis direction, and is disposed adjacent to the central axis direction of the control cage.
依據上述構成,複數台投射機係在滾輪運送機之上方側位置及下方側位置於前述搬送方向交互地偏離之狀態下,排列配置在與工件之搬送方向正交的方向,因此可抑制從鄰接之投射機投射之投射材的碰撞(干涉),並且可將投射材投射至工件之寬度方向全域。 According to the configuration described above, the plurality of projectors are arranged in the direction orthogonal to the conveyance direction of the workpiece in a state where the upper side position and the lower side position of the roller conveyor are alternately displaced in the conveyance direction, thereby suppressing the adjacent The collision (interference) of the projection material projected by the projector, and the projection material can be projected to the entire width direction of the workpiece.
在本發明中,控制籠係以中心軸線朝工件之搬送方向延伸之方式配置而從控制籠排出之投射材,係朝工件寬度方向擴散而投射。 In the present invention, the control cage is disposed such that the projection material discharged from the control cage so as to extend in the conveying direction of the center axis is diffused and projected in the width direction of the workpiece.
在此,在本發明之葉輪之葉板的表面,形成有從葉輪之旋轉中心相對於直徑方向朝旋轉方向後方側傾斜之後傾部。因此,在從控制籠之開口窗先排出的投射材與葉板之表面接觸之前,使之後從控制籠之開口窗排出的投射材會與葉板之表面接觸而朝葉板之前端側加速。藉此,先排出之投射材與之後排出之投射材會在葉板上之接近之位置與葉板接觸,因此該等投射材係集中在接近葉板之表面的位置。因此,會抑制投射時投射材朝工件寬度方向之分散而集中化。 Here, in the surface of the blade of the impeller of the present invention, a tilting portion is formed which is inclined from the rotation center of the impeller to the rear side in the rotational direction with respect to the diameter direction. Therefore, before the projection material discharged from the opening window of the control cage comes into contact with the surface of the blade, the projection material which is discharged from the opening window of the control cage is then brought into contact with the surface of the blade to accelerate toward the front end side of the blade. Thereby, the projecting material discharged first and the projecting material discharged later come into contact with the blade at a position close to the blade, so that the projecting materials are concentrated at a position close to the surface of the blade. Therefore, the dispersion of the projection material in the width direction of the workpiece during projection is suppressed and concentrated.
再者,開口窗之第1開口及第2開口係具有二邊與前述控制籠之中心軸線平行的矩形形狀,在一部分於前述控制籠之中心軸方向重疊的狀態下朝前述控制籠之周方向偏置,且於前述控制籠之中心軸線方向偏置而配置。 Further, the first opening and the second opening of the opening window have a rectangular shape in which both sides are parallel to the central axis of the control cage, and a part of the opening of the control cage overlaps the circumferential direction of the control cage. Offset and configured to be offset in the direction of the central axis of the aforementioned control cage.
藉此,分別從第1開口及第2開口排出之投射材,係從朝控制籠之周方向偏置之位置排出、亦即從偏離之位置排出。因此,投射機整體之投射分佈係將從第1開口排出之投射材的投射分佈、與從第2開口排出之投射材的投射分佈予以合成者。 Thereby, the projection material discharged from the first opening and the second opening is discharged from a position offset from the circumferential direction of the control cage, that is, from a position shifted. Therefore, the projection distribution of the entire projector is a combination of the projection distribution of the projection material discharged from the first opening and the projection distribution of the projection material discharged from the second opening.
再者,第1開口與第2開口係指彼此相連通,且一部分在控制籠之中心軸方向重疊,因此分別從第1開口及第2開口排出之投射材的各投射分布亦在各個分布寬度之一部分重疊。 Further, since the first opening and the second opening are in communication with each other and a part of the control cage is overlapped in the central axis direction of the control cage, the projection distribution of the projection material discharged from the first opening and the second opening is also in each distribution width. Some of them overlap.
因此,在投射分佈整體中,投射比率高之範圍(謀求投射之集中化的範圍)會擴展。結果,即使將投射機彼此之間隔設定為比以往更寬廣,亦可進行與以往相比為同等以上之珠擊處理。 Therefore, in the entire projection distribution, the range in which the projection ratio is high (the range in which the projection is concentrated) is expanded. As a result, even if the distance between the projectors is set to be wider than in the past, it is possible to perform a beading process equal to or higher than the conventional one.
依據本發明之其他態樣,前述後傾部係形成在前述葉板之直徑方向內方側,前述葉板係在前述後傾部之直徑方向外側具備朝旋轉方向後方側傾斜之傾斜角度較前述後傾部小的非後傾部。 According to another aspect of the present invention, the back inclined portion is formed on the inner side in the radial direction of the blade, and the blade has an inclination angle inclined toward the rear side in the rotation direction on the outer side in the radial direction of the rear inclined portion. The rear tilting portion is small and non-backward.
依據該構成,在葉板之前端部側形成有非後傾部,因此投射材係至從葉板脫離脫之前為止沿著非後傾部而離心加速。 According to this configuration, since the non-rearward inclined portion is formed on the end side of the blade, the projection material is centrifugally accelerated along the non-rearward portion until it is separated from the blade.
投射材被投射時之投射速度係形成為沿著葉板之表面的方向之由離心加速所產生之速度、與旋轉之葉板的前端所描繪之圓的切線方向(以下、稱為「切線方向」) 之速度的合成速度。當葉板後傾時,沿著葉板之表面的方向之速度的切線方向成分係相對於切線方向之速度朝負方向作用。結果,葉板之旋轉外徑及旋轉周速為相同時,葉板後傾時之合成速度係比葉板未後傾時之合成速度低。 The projection speed at which the projection material is projected is formed as a speed generated by centrifugal acceleration in the direction along the surface of the blade, and a tangential direction of a circle drawn by the tip end of the rotating blade (hereinafter, referred to as "tangential direction" ") The speed of synthesis. When the blade is tilted backward, the tangential component of the velocity along the direction of the surface of the blade acts in a negative direction with respect to the velocity in the tangential direction. As a result, when the rotational outer diameter and the rotational peripheral speed of the blade are the same, the composite speed at which the blade is tilted backward is lower than the composite speed when the blade is not tilted backward.
在本實施形態之珠擊處理裝置中,投射材係至投射之前為止,與朝後方側傾斜之傾斜角度小的非後傾部接觸,因此在沿著葉板表面之速度成分中,相對於切線方向之速度朝負方向作用的切線方向成分少,且使合成速度降低之程度小。結果,可在不使葉輪之旋轉數、甚至使葉輪旋轉之馬達的旋轉數増大的情況下,進行有效率之珠擊處理,且可抑制投射電力效率之降低。 In the bead blasting apparatus of the present embodiment, the projection material is in contact with the non-rearward inclined portion having a small inclination angle toward the rear side until the projection, so that the velocity component along the surface of the blade is relative to the tangent The direction of the direction is less in the tangential direction acting in the negative direction, and the degree of reduction in the speed of synthesis is small. As a result, the effective beading process can be performed without reducing the number of rotations of the impeller or the number of rotations of the motor that rotates the impeller, and the reduction in the efficiency of the projection power can be suppressed.
此外,在本說明書中,「朝旋轉方向後方側傾斜之傾斜角度較後傾部小」係指包含傾斜角度比朝後傾部之旋轉方向後方側傾斜之傾斜角小的構成、朝直徑方向延伸之構成、及朝旋轉方向前方側傾斜之構成。 In the present specification, the "inclination angle that is inclined toward the rear side in the rotation direction is smaller than the rearward inclination portion" means a configuration in which the inclination angle is smaller than the inclination angle toward the rear side in the rotation direction of the rearward tilting portion, and extends in the diameter direction. The configuration and the configuration are inclined toward the front side in the rotation direction.
依據本發明之其他態樣,前述後傾部之直徑方向長度係設定為比前述非後傾部之直徑方向長度更長。 According to another aspect of the present invention, the diametrical length of the rearward inclined portion is set to be longer than the diametrical length of the non-backward inclined portion.
依據該構成,以葉板之後傾部將投射材充分地集中,然後能以非後傾部使投射材加速。 According to this configuration, the projection material is sufficiently concentrated by the inclined portion of the blade, and then the projection material can be accelerated by the non-rearward portion.
依據本發明之其他態樣,前述第1開口之前述控制籠的中心軸方向一端側部分、與前述第2開口之前述控制籠之中心軸方向另一端側部分係相接合。 According to another aspect of the present invention, the one end side portion of the control cage of the first opening in the central axis direction is joined to the other end side portion of the control cage of the second opening in the central axis direction.
依據該構成,由於無須在第1開口與第2開口之間設置用以使兩者連通之連通部,因此加工性亦佳。 According to this configuration, since it is not necessary to provide a communication portion for connecting the first opening and the second opening, the workability is also good.
依據本發明之其他態樣,前述複數個投射機之各者之前述葉輪的旋轉方向係設定為同一方向。 According to another aspect of the present invention, the rotation direction of the impeller of each of the plurality of projectors is set to be the same direction.
依據該構成,可抑制從鄰接之投射機投射之投射材彼此之碰撞(干涉)比率。 According to this configuration, the collision (interference) ratio between the projection materials projected from the adjacent projectors can be suppressed.
再者,在本發明中,由於在控制籠設置有朝周方向偏置之2個開口,因此各投射機之投射比率高的範圍會擴大,而且由於在葉板設置有朝旋轉方向後方側傾斜之後傾部,因此投射分佈曲線之上升變得較陡。亦即,可限制來自各投射機之投射範圍。結果,即使將複數個投射機之葉輪的旋轉方向設定為同一方向,投射材往箱體內壁側之碰撞量亦會被抑制。 Further, in the present invention, since the control cage is provided with two openings that are offset in the circumferential direction, the range in which the projection ratio of each projector is high is increased, and since the blade is provided with the slope toward the rear side in the rotation direction. After the tilting, the rise of the projection profile becomes steeper. That is, the projection range from each projector can be limited. As a result, even if the rotation directions of the impellers of the plurality of projectors are set to the same direction, the collision amount of the projecting material toward the inner wall side of the casing is suppressed.
依據本發明之其他較佳態樣,前述第1開口與第2開口係透過將前述第1開口與第2開口連結成直線狀或台階狀之第3開口而相連通。 According to another preferred aspect of the present invention, the first opening and the second opening communicate with each other through a third opening that connects the first opening and the second opening in a straight line or a stepped shape.
依據本發明,提供一種可抑制投射機之台數並且可對板狀之工件進行良好之表面處理加工的珠擊處理裝置。 According to the present invention, there is provided a bead blasting apparatus which can suppress the number of projection machines and can perform a good surface treatment on a plate-shaped workpiece.
10‧‧‧珠粒噴擊裝置 10‧‧‧Bead blasting device
12‧‧‧箱體 12‧‧‧ cabinet
12A‧‧‧投射室 12A‧‧‧Projection Room
14‧‧‧上壁部 14‧‧‧Upper wall
14A‧‧‧傾斜上壁部 14A‧‧‧Sloping upper wall
16‧‧‧下壁部 16‧‧‧ Lower wall
16A‧‧‧第1傾斜下壁部 16A‧‧‧1st inclined lower wall
16B‧‧‧第2傾斜下壁部 16B‧‧‧2nd inclined lower wall
16V‧‧‧暫存部 16V‧‧‧ temporary storage
20‧‧‧滾輪運送機 20‧‧‧Roller conveyor
22‧‧‧運送機基台 22‧‧‧Transporter abutment
24‧‧‧運送機滾輪 24‧‧‧Transporter wheel
26‧‧‧噴附裝置 26‧‧‧spraying device
30‧‧‧捲揚裝置 30‧‧‧Winding device
32‧‧‧捲筒 32‧‧‧ reel
34‧‧‧電動機 34‧‧‧Electric motor
40‧‧‧投射機 40‧‧‧Projector
42‧‧‧導入導管 42‧‧‧Introduction catheter
44‧‧‧流量調整裝置 44‧‧‧Flow adjustment device
46‧‧‧導管 46‧‧‧ catheter
48‧‧‧投射材暫存部 48‧‧‧Projected material temporary storage
50‧‧‧循環裝置 50‧‧‧Circulation device
52‧‧‧下部螺旋運送機 52‧‧‧ Lower screw conveyor
54‧‧‧斗式升降機 54‧‧‧ bucket elevator
54A‧‧‧皮帶輪 54A‧‧‧ Pulley
54B‧‧‧無端皮帶 54B‧‧‧Endless belt
56‧‧‧分離器 56‧‧‧Separator
60‧‧‧開口窗 60‧‧‧Open window
62‧‧‧第1開口 62‧‧‧ first opening
62X、62Y‧‧‧第1開口之平行二邊 Parallel two sides of the first opening of 62X, 62Y‧‧
64‧‧‧第2開口 64‧‧‧2nd opening
64X、64Y‧‧‧第2開口之平行二邊 64X, 64Y‧‧‧ parallel two sides of the second opening
72‧‧‧外殼本體 72‧‧‧Shell body
72A‧‧‧基座 72A‧‧‧Base
72B‧‧‧側部 72B‧‧‧ side
72C‧‧‧側部 72C‧‧‧ side
74‧‧‧軸承單元 74‧‧‧ bearing unit
74A‧‧‧前端部 74A‧‧‧ front end
74B‧‧‧軸承 74B‧‧‧ bearing
76‧‧‧驅動馬達 76‧‧‧Drive motor
77A‧‧‧前端部 77A‧‧‧ front end
77X‧‧‧旋轉軸 77X‧‧‧Rotary axis
78‧‧‧襯套 78‧‧‧ bushing
79‧‧‧第2皮帶輪 79‧‧‧2nd pulley
81‧‧‧無端皮帶 81‧‧‧Endless belt
82‧‧‧凸座 82‧‧‧Seat
82A‧‧‧圓筒部 82A‧‧‧Cylinder
84‧‧‧螺栓 84‧‧‧ bolt
90‧‧‧中央板 90‧‧‧Central board
92‧‧‧控制籠 92‧‧‧Control cage
92A‧‧‧側壁 92A‧‧‧ side wall
94‧‧‧分配器 94‧‧‧Distributor
94A‧‧‧葉片 94A‧‧‧ blades
96‧‧‧托架 96‧‧‧ bracket
98‧‧‧密封構件 98‧‧‧ Sealing members
100‧‧‧葉輪 100‧‧‧ impeller
102A‧‧‧第1側板 102A‧‧‧1st side panel
102B‧‧‧第2側板 102B‧‧‧2nd side panel
102C‧‧‧連結構件 102C‧‧‧Connected components
104‧‧‧葉板 104‧‧‧leaf board
106‧‧‧表面 106‧‧‧ surface
108‧‧‧背面 108‧‧‧Back
110‧‧‧後傾部 110‧‧‧Backward
114‧‧‧非後傾部 114‧‧‧Non-backward
116‧‧‧傾斜部 116‧‧‧ inclined section
118‧‧‧隆起部 118‧‧‧Uplift
200‧‧‧珠粒噴擊裝置 200‧‧‧Bead blasting device
202‧‧‧投射機 202‧‧‧Projector
204‧‧‧葉輪 204‧‧‧ Impeller
C‧‧‧葉輪之旋轉中心 C‧‧‧The center of rotation of the impeller
CL‧‧‧中心軸線 CL‧‧‧ center axis
D‧‧‧工件搬送方向 D‧‧‧Working direction of workpiece
R‧‧‧葉輪之旋轉方向 R‧‧‧ direction of rotation of the impeller
W‧‧‧工件 W‧‧‧Workpiece
X‧‧‧工件寬度方向 X‧‧‧Workpiece width direction
第1圖係本發明之一實施形態的珠粒噴擊裝置之前視 圖。 Figure 1 is a front view of a bead blasting device according to an embodiment of the present invention. Figure.
第2圖係第1圖之珠粒噴擊裝置的俯視圖。 Fig. 2 is a plan view of the bead blasting device of Fig. 1.
第3圖係包含在第1圖之珠粒噴擊裝置的投射機之前視剖面圖。 Fig. 3 is a front cross-sectional view of the projector included in the bead blasting device of Fig. 1.
第4圖係第3圖之投射機的側視縱剖面圖。 Figure 4 is a side elevational cross-sectional view of the projector of Figure 3.
第5圖係顯示第3圖之投射機之控制籠的側視圖。 Fig. 5 is a side view showing the control cage of the projector of Fig. 3.
第6圖係顯示第1圖之珠粒噴擊裝置之上方側5台之投射機之投射狀態的右側視圖。 Fig. 6 is a right side view showing a projection state of five projectors on the upper side of the bead blasting device of Fig. 1.
第7圖係顯示對應於第6圖之投射密度分佈的圖。 Fig. 7 is a view showing a projection density distribution corresponding to Fig. 6.
第8圖係顯示對比例之6台的投射機之投射狀態的圖。 Fig. 8 is a view showing the projection state of six projectors of the comparative example.
第9圖係顯示對應於第8圖之投射密度分佈的圖。 Fig. 9 is a view showing a projection density distribution corresponding to Fig. 8.
第10圖係比較第7圖之投射密度分佈與第9圖之投射密度分佈的圖。 Fig. 10 is a graph comparing the projection density distribution of Fig. 7 with the projection density distribution of Fig. 9.
第11圖(A)、(B)係變形例之控制籠的側視圖。 Fig. 11 (A) and (B) are side views of the control cage of the modification.
接著,參照圖式說明本發明之珠擊處理裝置的較佳施形態的珠粒噴擊裝置10。在圖式中,箭頭FR係顯示裝置前視之正前側,箭頭UP係顯示裝置上方側,箭頭LH係顯示裝置前視之左側。 Next, a bead squirting device 10 of a preferred embodiment of the bead blasting apparatus of the present invention will be described with reference to the drawings. In the drawing, the arrow FR is the front side of the front view of the display device, the arrow UP is the upper side of the display device, and the arrow LH is the left side of the front view of the display device.
第1圖係珠粒噴擊裝置10之前視圖,第2圖係珠粒噴擊裝置10之俯視圖。珠粒噴擊裝置10係將投射材從離心式之投射機投射至沿著搬送路徑而搬送之鋼板等板狀的工 件W,並進行珠擊處理之裝置。 1 is a front view of the bead blasting device 10, and Fig. 2 is a plan view of the bead blasting device 10. The bead blasting device 10 projects a projection material from a centrifugal projector to a plate-like work such as a steel plate that is conveyed along a conveyance path. W, and the device for beading treatment.
此外,在圖中適當地顯示之箭頭D係顯示將工件W予以搬送之方向(工件搬送方向),箭頭X係顯示朝工件搬送方向正交之方向(工件寬度方向)。 Further, the arrow D appropriately displayed in the drawing indicates the direction in which the workpiece W is conveyed (the workpiece conveyance direction), and the arrow X indicates the direction orthogonal to the workpiece conveyance direction (the workpiece width direction).
如第1圖等所示,珠粒噴擊裝置10係具備箱體(cabinet)12。箱體12係具備用以分隔內部空間與外部空間之外壁部,以使投射材(亦稱為珠擊、珠擊材,其一例為鋼球)從箱體12內漏出至外部。 As shown in FIG. 1 and the like, the bead squirting device 10 is provided with a cabinet 12. The casing 12 is provided with a wall portion for partitioning the internal space from the external space, so that the projecting material (also referred to as a beading or beading material, an example of which is a steel ball) leaks from the inside of the casing 12 to the outside.
如第1圖所示,箱體12之上壁部14中之工件搬送方向上游側(圖中左側)的部分,係設為朝工件搬送方向下游(圖中右側)往裝置上方側傾斜約30°之傾斜上壁部14A。並且,箱體12之上壁部14中之從工件搬送方向中間部往工件搬送方向下游側(圖中右側)之部分,係設為與工件搬送方向(箭頭D方向)呈平行之水平上壁部14B。 As shown in Fig. 1, the portion on the upstream side (the left side in the drawing) of the workpiece conveying direction in the upper wall portion 14 of the casing 12 is inclined toward the upper side of the apparatus by about 30 in the downstream direction of the workpiece conveying direction (the right side in the drawing). The upper wall portion 14A is inclined. Further, a portion of the upper wall portion 14 of the casing 12 from the intermediate portion in the workpiece conveying direction to the downstream side in the workpiece conveying direction (the right side in the drawing) is a horizontal upper wall parallel to the workpiece conveying direction (arrow D direction). Part 14B.
再者,箱體12之下壁部16係將對應於除了工件搬送方向下游側(圖中右側)之端部以外之範圍的部分,設為裝置前視時呈V字形的暫存部16V。暫存部16V中之工件搬送方向上游側(圖中左側)的部分,係設為朝工件搬送方向下游側(圖中右側)往裝置下方側傾斜約30°之第1傾斜下壁部16A。再者,暫存部16V中之工件搬送方向下游側(圖中右側)的部分,係設為朝工件搬送方向下游側往裝置上方側傾斜30°左右之第2傾斜下壁部16B。 In addition, the lower wall portion 16 of the casing 12 corresponds to a portion other than the end portion on the downstream side (the right side in the drawing) of the workpiece conveying direction, and is a V-shaped temporary storage portion 16V in the front view of the apparatus. The portion of the temporary storage portion 16V on the upstream side (the left side in the drawing) of the workpiece conveyance direction is the first inclined lower wall portion 16A that is inclined toward the lower side of the apparatus by about 30 degrees toward the downstream side in the workpiece conveyance direction. Further, the portion of the temporary storage portion 16V on the downstream side (the right side in the drawing) of the workpiece conveyance direction is a second inclined lower wall portion 16B that is inclined by about 30° toward the upper side of the apparatus toward the downstream side in the workpiece conveyance direction.
在箱體12之內部,形成有投射室12A(亦將為「投射棚」、「加工室」、「研磨室」)。投射室12A係藉由 從後述之投射機40投射之投射材對工件W進行表面加工(在本實施形態中為噴擊處理)的棚。箱體12係在工件搬送方向上游側(圖中左側)形成有投射室入口(省略圖示),在工件搬送方向下游側(圖中右側)形成有投射室出口(省略圖示)。 Inside the casing 12, a projection chamber 12A (which will also be a "projecting shed", a "processing chamber", and a "grinding chamber") is formed. Projection room 12A is by A shed that performs surface processing (in the present embodiment, squirting treatment) on the workpiece W from a projecting material projected by the projector 40 to be described later. The casing 12 is formed with a projection chamber inlet (not shown) on the upstream side (left side in the drawing) in the workpiece conveyance direction, and a projection chamber outlet (not shown) is formed on the downstream side (the right side in the drawing) in the workpiece conveyance direction.
在箱體12之內部設置有用以搬送板狀之工件W的滾輪運送機20,且構成貫通箱體12而延伸之工件W的搬送路徑。滾輪運送機20係具備:設置在搬送路徑之兩側的運送機基台22;及以對運送機基台22指示成可旋轉之複數個運送機滾輪24。複數個運送機滾輪24係沿著工件搬送方向(箭頭D方向)隔著間隔彼此平行地配置,且藉由具備馬達之驅動機構(未圖示)而同時地以同一速度旋轉驅動。並且,滾輪運送機20係藉由複數個運送機滾輪24之旋轉,而將板狀之工件W沿著工件搬送方向(箭頭D方向)朝水平方向搬送。 A roller conveyor 20 for conveying a plate-shaped workpiece W is provided inside the casing 12, and a conveying path of the workpiece W extending through the casing 12 is formed. The roller conveyor 20 includes a conveyor base 22 that is disposed on both sides of the conveyance path, and a plurality of conveyor rollers 24 that are rotatable to the conveyor base 22. The plurality of conveyor rollers 24 are arranged in parallel with each other along the workpiece conveyance direction (arrow D direction), and are simultaneously rotationally driven at the same speed by a drive mechanism (not shown) including a motor. Further, the roller conveyor 20 conveys the plate-shaped workpiece W in the horizontal direction in the workpiece conveyance direction (arrow D direction) by the rotation of the plurality of conveyor rollers 24.
在箱體12之傾斜上壁部14A及第1傾斜下壁部16A中,安裝有複數台(本實施形態中為上下各5台合計10台)之離心式投射機40。上方側及下方側之投射機40係分別面向滾輪運送機20,且配置成將投射材投射至搬送於滾輪運送機20上之板狀的工件W。 In the inclined upper wall portion 14A and the first inclined lower wall portion 16A of the casing 12, a plurality of centrifugal projectors 40 (in the present embodiment, five in total of five in the upper and lower portions) are mounted. The projectors 40 on the upper side and the lower side face the roller conveyor 20, respectively, and are arranged to project the projecting material onto the plate-shaped workpiece W conveyed on the roller conveyor 20.
詳細而言,投射機40係分別在滾輪運送機之上方側位置及下方側位置朝與工件搬送方向正交之方向分別排列配置各5台(第2圖)。再者,各投射機40係在上方側位置及下方側位置之各者,朝工件搬送方向(箭頭D方向) 彼此偏離地配置成鋸齒狀。 Specifically, each of the projectors 40 is arranged in a row in the direction orthogonal to the workpiece conveyance direction at the upper side position and the lower side position of the roller conveyor (second drawing). Further, each of the projectors 40 is disposed in the upper side position and the lower side position in the workpiece conveying direction (arrow D direction). They are arranged in a zigzag shape offset from each other.
各投射機40之投射中心係將裝置前面視之投射角度設定為相對於裝置上下方向(鉛直方向)傾斜30°左右。如此設定之理由為:在抑制朝工件W投射之投射材、與經工件W反射之投射材之碰撞(干涉)量之狀態下,確保珠擊處理能力(研磨能力)。 The projection center of each projector 40 sets the projection angle of the front view of the apparatus to be inclined by about 30 degrees with respect to the vertical direction (vertical direction) of the apparatus. The reason for this setting is to ensure the bead blasting ability (grinding ability) in a state where the amount of collision (interference) between the projection material projected toward the workpiece W and the projection material reflected by the workpiece W is suppressed.
在箱體12內之工件搬送方向下游側(圖中右側)的滾輪運送機20之上方側位置,設置有噴附裝置26。 噴附裝置26係具備送風機28。送風機28係設置在箱體12之水平上壁部14B,且藉由驅動馬達而動作。在該送風機28,連接有朝箱體12內延伸之風管(duct)(省略圖示)。在前述風管之下部設置有可升降之可動部,該可動部係具備朝向滾輪運送機20之噴嘴(省略圖示)。噴附裝置26係構成為:將空氣噴附在滾輪運送機20,而可將工件W上之投射材予以吹落。 A spraying device 26 is provided at a position on the upper side of the roller conveyor 20 on the downstream side (the right side in the drawing) of the workpiece 12 in the casing 12 . The spray device 26 is provided with a blower 28. The blower 28 is provided on the horizontal upper wall portion 14B of the casing 12, and is operated by a drive motor. A duct (not shown) extending in the casing 12 is connected to the blower 28. A movable portion that can be raised and lowered is provided at a lower portion of the air duct, and the movable portion includes a nozzle (not shown) that faces the roller conveyor 20. The spraying device 26 is configured to spray air onto the roller conveyor 20 to blow the projection material on the workpiece W.
將氣體從噴附裝置26之氣體噴附之方向,係設定為朝工件搬送方向上游側(圖中左側)往下方傾斜之方向。具備噴嘴之可動部係藉由第2圖所示之捲揚裝置30而可升降。捲揚裝置30係構成為:具備用以吊起可動部之繩索(未圖示),並且具備捲緊繩索之捲筒32,藉由附有減速機之電動機34使捲筒32旋轉,而使可動部升降。 The direction in which the gas is ejected from the gas ejecting apparatus 26 is set to be inclined downward toward the upstream side (the left side in the drawing) in the workpiece conveying direction. The movable portion having the nozzle can be raised and lowered by the hoisting device 30 shown in Fig. 2 . The hoisting device 30 is configured to include a rope (not shown) for lifting the movable portion, and includes a spool 32 for winding the rope, and the drum 32 is rotated by the motor 34 with the speed reducer. The movable part is raised and lowered.
再者,在第1圖所示之噴附裝置26的工件搬送方向上游側(圖中左側),投射材移送機構係鄰接地配置。投射材移送機構係將藉由噴附裝置26而被吹上之投射 材吸上至預定之高度位置,並且藉由螺旋運送機(未圖示)使該等投射材朝工件寬度方向外側移動,並且使之落下於箱體12之底部。 Further, in the upstream side (the left side in the drawing) of the workpiece transport direction of the rinsing device 26 shown in Fig. 1, the projecting material transfer mechanism is disposed adjacent to each other. The projection material transfer mechanism is projected by the spray device 26 The material is sucked up to a predetermined height position, and the projecting materials are moved outward in the width direction of the workpiece by a screw conveyor (not shown) and dropped to the bottom of the casing 12.
在各投射機40中,連接有投射材導入導管(pipe)42(亦稱為「導入管」),投射材導入導管42係透過流量調整裝置44及導管46而連接在投射材暫存部48(亦稱為「珠擊槽」)。投射材暫存部48係用以將投射材暫時地儲留之暫存部。此外,流量調整裝置44係具備用以調整投射材之流量的開閉閘門(擋止閘門)。 A projector material introduction pipe 42 (also referred to as an "introduction pipe") is connected to each of the projectors 40, and the projecting material introduction pipe 42 is connected to the projecting material temporary storage portion 48 through the flow rate adjusting device 44 and the duct 46. (Also known as "bead slash"). The projecting material temporary storage unit 48 is a temporary storage unit for temporarily storing the projection material. Further, the flow rate adjusting device 44 is provided with an opening and closing gate (stop gate) for adjusting the flow rate of the projection material.
投射機40係透過投射材導入導管42、流量調整裝置44、導管46及投射材暫存部48而連結在循環裝置50。循環裝置50係將藉由投射機40所投射之投射材予以搬送並循環至投射機40之裝置,在箱體12之滾輪運送機20的下方側具備下部螺旋運送機52。 The projector 40 is coupled to the circulation device 50 through the projection material introduction duct 42, the flow rate adjustment device 44, the duct 46, and the projecting material temporary storage portion 48. The circulation device 50 is a device that transports a projecting material projected by the projector 40 and circulates it to the projector 40, and a lower screw conveyor 52 is provided below the roller conveyor 20 of the casing 12.
下部螺旋運送機52係設置在暫存部16V之谷部,且以朝工件寬度方向延伸之方式水平地配置。下部螺旋運送機52係構成為:繞著軸旋轉,且將所投射之投射材等搬送至裝置正前側,而集中在一部位。下部螺旋運送機52之下游側的端部係配置在面向斗式升降機54之下部收集部的位置。斗式升降機54係與下部螺旋運送機52相連接,且構成用以回收投射至工件W之投射材的回收路徑之一部分。 The lower screw conveyor 52 is disposed in the valley portion of the temporary storage portion 16V, and is horizontally disposed to extend in the width direction of the workpiece. The lower screw conveyor 52 is configured to rotate around the shaft and transport the projected projecting material or the like to the front side of the apparatus to be concentrated at one location. The end portion on the downstream side of the lower screw conveyor 52 is disposed at a position facing the collecting portion of the lower portion of the bucket elevator 54. The bucket elevator 54 is coupled to the lower screw conveyor 52 and constitutes a portion of a recovery path for recovering the projection material projected onto the workpiece W.
斗式升降機54之公知構造係為配置在珠粒噴擊裝置10之上部及下部,且在藉由馬達驅動而旋轉驅動之 皮帶輪54A捲繞有無端皮帶54B,在該無端皮帶54B安裝有多數個吊桶(省略圖示)。斗式升降機54係以吊桶舀取落下至裝置下部而由下部螺旋運送機52所回收之投射材等(包含投射至工件W之投射材及粉粒狀之異物的混合物),並從裝置下部搬送至裝置上部(箱體12之上方側)。 The well-known structure of the bucket elevator 54 is disposed above and below the bead blasting device 10, and is rotationally driven by a motor drive. The pulley 54A is wound with an endless belt 54B, and a plurality of buckets (not shown) are attached to the endless belt 54B. The bucket elevator 54 picks up a projection material or the like collected by the lower screw conveyor 52 (including a mixture of a projection material projected onto the workpiece W and a foreign matter in a granular form) by a bucket, and conveys it from the lower portion of the apparatus. To the upper part of the device (on the upper side of the case 12).
在斗式升降機54之上端部的裝置左側具有風力篩選機構的分離器56係相鄰接而配置。分離器56之風力篩選機構係使包含投射材與粉粒狀之異物的混合物自然落下,且使向上之氣流觸抵於該混合物,藉此篩選成上升至氣流之上之輕量物與落下之重量物。在分離器56之下方側配置有投射材暫存部48,且構成為將可從分離器56再利用之投射材供給至投射材暫存部48。 A separator 56 having a wind filtering mechanism on the left side of the apparatus at the upper end of the bucket elevator 54 is disposed adjacent to each other. The wind screening mechanism of the separator 56 naturally drops the mixture containing the projection material and the foreign matter in the form of powder, and causes the upward airflow to contact the mixture, thereby screening the lightweight material and the falling object which rise above the airflow. Weight. The projecting material temporary storage portion 48 is disposed below the separator 56, and is configured to supply the projecting material that can be reused from the separator 56 to the projecting material temporary storage portion 48.
此外,分離器亦可為具有使其他方向、例如橫向之氣流觸抵於混合物之構成者。 In addition, the separator may also be constructed to have a flow in other directions, such as a lateral direction, against the mixture.
再者,分離器56係構成為:使粒徑小且輕之微粉(粉狀物)等上升至氣流上而排出至集塵機(未圖示)側,並且使粒徑大且重之微粉(粒狀物)等落下而透過大形物排出導管58排出至大形物排出箱(省略圖示)側。 In addition, the separator 56 is configured to increase the particle size and the fine powder (powder) and the like to the airflow and discharge it to the side of the dust collector (not shown), and to make the particle size large and heavy. The object is dropped and passed through the large-sized material discharge duct 58 to be discharged to the large-body discharge tank (not shown).
接著,沿著第3圖至第6圖,詳細地說明投射機40。 Next, the projector 40 will be described in detail along FIGS. 3 to 6.
第3圖係投射機40之前視剖面圖,第4圖係投射機40之側視縱剖面圖。 3 is a front cross-sectional view of the projector 40, and FIG. 4 is a side longitudinal sectional view of the projector 40.
如第3圖所示,投射機40係具備外殼本體72。外殼本體72係具有大致角錐台之外形,且底部側(第 3圖之下方側)被開放而成為投射材之投射部。如第4圖所示,左右之基座72A從外殼本體72之底部朝彼此分離反向之方向延伸,該基座72A係固定至箱體12(第1圖)之上壁部。 As shown in FIG. 3, the projector 40 is provided with a casing body 72. The outer casing body 72 has a substantially pyramidal shape and a bottom side (the The lower side of the figure 3 is opened to become a projection portion of the projection material. As shown in Fig. 4, the left and right bases 72A extend from the bottom of the casing body 72 in a direction in which they are separated from each other, and the base 72A is fixed to the upper wall portion of the casing 12 (Fig. 1).
再者,在外殼本體72之工件搬送方向下游側(第4圖的右側)之側部72B,形成有供軸承單元74等之前端部插通之貫通孔。另一方面,在外殼本體72之工件搬送方向上游側(第4圖之左側)的側部72C,形成有供導入筒70插通之貫通孔。在導入筒70連接有投射材導入導管42(第1圖)。另一方面,外殼本體72之頂部係安裝有蓋80。此外,襯套78係安裝在外殼本體72之內側。 Further, a through hole through which the front end portion of the bearing unit 74 or the like is inserted is formed in the side portion 72B on the downstream side (the right side in FIG. 4) of the casing main body 72 in the workpiece conveyance direction. On the other hand, in the side portion 72C on the upstream side (the left side in FIG. 4) of the casing main body 72 in the workpiece conveying direction, a through hole through which the introduction cylinder 70 is inserted is formed. The projecting material introduction duct 42 is connected to the introduction cylinder 70 (Fig. 1). On the other hand, a cover 80 is attached to the top of the casing body 72. Further, the bushing 78 is mounted inside the casing body 72.
在外殼本體72之內部的中央配置有控制籠(control cage)92。控制籠92係透過前面罩88安裝在外殼本體72之工件搬送方向上游側(第4圖之左側)的側部72C。控制籠92係構成為:具有圓筒形狀,且與旋轉軸77X同心地配置,且將投射材從導入筒70供給至內部。 A control cage 92 is disposed at the center of the inside of the casing body 72. The control cage 92 is attached to the side portion 72C of the casing main body 72 on the upstream side (the left side of FIG. 4) in the workpiece conveyance direction through the front cover 88. The control cage 92 is configured to have a cylindrical shape and is disposed concentrically with the rotating shaft 77X, and supplies the projecting material from the introduction cylinder 70 to the inside.
該控制籠92係如第2圖所示,配置成使中心軸線CL朝裝置俯視時之工件搬送方向(箭頭D方向)延伸。如第4圖所示,在控制籠92之工件搬送方向上游側(第4圖之左側)的開口端之內周部、與導入筒70之外周部之間,配置有環狀之托架96及密封構件98。此外,導入筒70之一部分係藉由導入筒按壓件(未圖示)而固定在投射機40之本體。 As shown in FIG. 2, the control cage 92 is arranged such that the central axis CL extends in the workpiece transport direction (arrow D direction) when the apparatus is viewed in plan. As shown in Fig. 4, an annular bracket 96 is disposed between the inner peripheral portion of the opening end on the upstream side (the left side of Fig. 4) of the control cage 92 in the workpiece conveying direction and the outer peripheral portion of the introduction cylinder 70. And a sealing member 98. Further, a part of the introduction cylinder 70 is fixed to the main body of the projector 40 by introducing a cylinder presser (not shown).
在控制籠92之側壁92A,貫通形成有作為投 射材之排出部的開口窗60。如控制籠92之側視圖的第5圖所示,開口窗60係具備:具有相同之尺寸形狀,且彼此連通之第1開口62及第2開口64。 In the side wall 92A of the control cage 92, the through hole is formed as a cast The opening window 60 of the discharge portion of the target. As shown in Fig. 5 of the side view of the control cage 92, the opening window 60 is provided with a first opening 62 and a second opening 64 which have the same size and are in communication with each other.
第1開口62係具有:由與控制籠92之中心軸線CL平行之二邊、亦即包含平行二邊62X、62Y之4邊所圍繞之矩形形狀。此外,第2開口64係具有:由與控制籠92之中心軸線CL平行之二邊、亦即包含平行之二邊64X、64Y的4邊所圍繞之矩形形狀。 The first opening 62 has a rectangular shape surrounded by two sides parallel to the central axis CL of the control cage 92, that is, four sides including the parallel two sides 62X and 62Y. Further, the second opening 64 has a rectangular shape surrounded by two sides parallel to the central axis CL of the control cage 92, that is, four sides including two parallel sides 64X and 64Y.
第1開口62與第2開口64係以在控制籠92之中心軸線CL方向局部地重疊之狀態朝控制籠92之周方向偏置(offset),且朝控制籠之中心軸線CL方向鄰接地配置。 The first opening 62 and the second opening 64 are offset in the circumferential direction of the control cage 92 in a state of being partially overlapped in the direction of the central axis CL of the control cage 92, and are disposed adjacent to the central axis CL of the control cage. .
如第4圖所示,在外殼本體72之圖中右側的中央部,連結有軸承單元74之前端部74A。詳細而言,軸承單元74之前端部74A係安裝在外殼本體72之圖中右側的側部72B。軸承單元74係具備軸承74B,且以旋轉自如之方式支撐旋轉軸77X。 As shown in Fig. 4, the front end portion 74A of the bearing unit 74 is coupled to the center portion on the right side in the drawing of the casing main body 72. In detail, the front end portion 74A of the bearing unit 74 is attached to the side portion 72B on the right side in the drawing of the casing body 72. The bearing unit 74 is provided with a bearing 74B and rotatably supports the rotating shaft 77X.
在旋轉軸77X之基端部安裝有第2皮帶輪79。在該第2皮帶輪79、及安裝在驅動馬達76(第2圖)之旋轉軸的第1皮帶輪(未圖示),捲繞有無端皮帶81。藉此,將驅動馬達76(第1圖)之旋轉力傳達至旋轉軸77X。 A second pulley 79 is attached to a base end portion of the rotating shaft 77X. The endless belt 81 is wound around the second pulley 79 and the first pulley (not shown) attached to the rotating shaft of the drive motor 76 (second drawing). Thereby, the rotational force of the drive motor 76 (Fig. 1) is transmitted to the rotary shaft 77X.
在旋轉軸77X之前端部77A,藉由鍵件(key)來固定附有凸緣之圓筒體的凸座82之圓筒部82A。在凸座82,以螺栓固定有中央板90。並且,分配器94係透過中 央板90以螺栓84固定在旋轉軸77X之前端部77A。 At the end portion 77A before the rotation shaft 77X, the cylindrical portion 82A of the boss 82 of the cylindrical body to which the flange is attached is fixed by a key. At the boss 82, a center plate 90 is fixed by bolts. And, the dispenser 94 is in the middle of transmission The center plate 90 is fixed to the front end portion 77A of the rotating shaft 77X with a bolt 84.
如第3圖所示,分配器94係配置在控制籠92之內側。分配器94係具備:在內部朝直徑方向延伸之複數個葉片94A;及朝周方向以等間隔方式配置之複數個開口;以在與控制籠92之間形成間隙之方式,配置在控制籠92之內側。分配器94係藉由驅動馬達76(第1圖)而在控制籠92之內側旋轉。 As shown in FIG. 3, the distributor 94 is disposed inside the control cage 92. The distributor 94 includes a plurality of blades 94A extending in the radial direction inside, and a plurality of openings arranged at equal intervals in the circumferential direction; and are disposed in the control cage 92 so as to form a gap with the control cage 92. The inside. The distributor 94 is rotated inside the control cage 92 by a drive motor 76 (Fig. 1).
藉由分配器94之旋轉,從導入筒70供給至控制籠92之內側的投射材係在分配器94內攪拌混合,而利用離心力從旋轉之分配器94的開口供給至分配器94與控制籠92之間的間隙。供給至該間隙之投射材係沿著控制籠92之內周面朝旋轉方向移動於間隙中,且從控制籠92之開口62、64朝直徑方向外側排出。 By the rotation of the dispenser 94, the projecting material supplied from the introduction cylinder 70 to the inside of the control cage 92 is stirred and mixed in the dispenser 94, and is supplied from the opening of the rotating distributor 94 to the distributor 94 and the control cage by centrifugal force. The gap between 92. The projecting material supplied to the gap is moved in the gap in the rotational direction along the inner peripheral surface of the control cage 92, and is discharged outward from the openings 62, 64 of the control cage 92 in the radial direction.
此時,投射材從控制籠92之第1開口62及第2開口64排出之方向,係成為相對於來自分配器94之旋轉中心(與後述之葉輪100之旋轉中心C相同)之直徑方向朝葉輪100之旋轉方向(箭頭R方向)傾斜的方向。 At this time, the direction in which the projecting material is discharged from the first opening 62 and the second opening 64 of the control cage 92 is oriented in the radial direction with respect to the center of rotation from the distributor 94 (the same as the center of rotation C of the impeller 100 to be described later). The direction in which the direction of rotation of the impeller 100 (the direction of the arrow R) is inclined.
如第3圖及第4圖所示,在控制籠92之外側設置有葉輪100。葉輪100係具有側板單元102,側板單元102係具備圓環狀之第1側板102A、及與第1側板102A隔著間隔而相對向配置之圓環狀的第2側板102B。 As shown in FIGS. 3 and 4, the impeller 100 is provided on the outer side of the control cage 92. The impeller 100 includes a side plate unit 102, and the side plate unit 102 includes an annular first side plate 102A and an annular second side plate 102B that is disposed to face the first side plate 102A with a space therebetween.
從凸座82之圓筒部82A的軸方向一端部朝半直徑方向外側延伸之凸緣82B係以螺栓固定在第1側板102A。第1側板102A與第2側板102B係藉由連結構件102C而連結。 A flange 82B that extends outward in the semi-diameter direction from one end portion of the cylindrical portion 82A of the boss 82 in the axial direction is bolted to the first side plate 102A. The first side plate 102A and the second side plate 102B are coupled by a connecting member 102C.
再者,葉輪100係又具備以朝控制籠92之直徑方向外側延伸之方式配置在第1側板102A與第2側板102B之間的複數個葉板(葉片)104。葉輪100係藉由驅動馬達76(第1圖)之動作而獲得旋轉力並朝控制籠92之周方向旋轉。葉輪100之旋轉方向與分配器94之旋轉方向係設定成同一方向。各葉板係以直徑方向外側端位於葉輪100之旋轉方向(箭頭R方向)後方側的方式朝控制籠92之外周側傾斜的方向,沿著控制籠92之外周配置。所排列設置之複數台投射機40之各葉輪100,係旋轉軸朝工件搬送方向延伸,且將旋轉方向設定成同一方向(第6圖之順時鐘方向)。 Further, the impeller 100 further includes a plurality of blades (blades) 104 that are disposed between the first side plate 102A and the second side plate 102B so as to extend outward in the diameter direction of the control cage 92. The impeller 100 obtains a rotational force by the operation of the drive motor 76 (Fig. 1) and rotates in the circumferential direction of the control cage 92. The direction of rotation of the impeller 100 is set in the same direction as the direction of rotation of the distributor 94. Each of the louvers is disposed along the outer circumference of the control cage 92 in a direction in which the outer end in the diametrical direction is located on the rear side in the rotation direction (arrow R direction) of the impeller 100 toward the outer peripheral side of the control cage 92. Each of the impellers 100 of the plurality of projectors 40 arranged in series has a rotation axis extending in the workpiece conveying direction, and the rotation direction is set to the same direction (the clockwise direction in FIG. 6).
如第3圖所示,葉板104之旋轉方向前方側的表面106係在直徑方向內方(基端部)側的部分具備朝旋轉方向後方側傾斜之後傾部110。後傾部110係較佳為相對於葉輪100之直徑方向朝旋轉方向後方傾斜30°至50°之角度,在本實施形態中係傾斜40°。 As shown in FIG. 3, the surface 106 on the front side in the rotational direction of the blade 104 is provided on the inner side (base end) side in the radial direction, and the inclined portion 110 is inclined after the rear side in the rotational direction. The rear inclined portion 110 is preferably inclined at an angle of 30 to 50 degrees rearward in the rotational direction with respect to the diameter direction of the impeller 100, and is inclined by 40 in the present embodiment.
此外,在葉板104之表面106的前端側(亦即後傾部110之直徑方向外側),形成有朝來自葉輪100之旋轉中心C的大致直徑方向(直徑方向線L2方向)延伸之非後傾部114。亦即,非後傾部114係將朝旋轉方向後方傾斜之角度設定為比後傾部110小。 Further, the front end side of the surface 106 of the blade 104 (that is, the outer side in the diameter direction of the rear inclined portion 110) is formed to extend in a substantially diametrical direction (direction of the diametrical direction line L2) from the rotation center C of the impeller 100. Pour portion 114. That is, the non-rear inclined portion 114 sets the angle inclined rearward in the rotational direction to be smaller than the rear inclined portion 110.
後傾部110之直徑方向長度係設定為比非後傾部114之直徑方向長度更長。此外,後傾部110與非後傾部114係藉由彎曲部112而連接。 The length of the rearward inclined portion 110 in the diametrical direction is set to be longer than the length of the non-rearward inclined portion 114 in the diametrical direction. Further, the rear inclined portion 110 and the non-rear inclined portion 114 are connected by the curved portion 112.
再者,與葉板104之表面106相反側的背面 108,係在基端部具備相對於直徑方向比後傾部110更大幅地朝旋轉方向後方側傾斜之傾斜部116。在葉板104之背面108,於直徑方向中間部突出形成有隆起部118。該隆起部118係葉輪100之半直徑方向外側的凹彎曲部抵接於連結構件102C。 Furthermore, the back side opposite the surface 106 of the blade 104 In the base end portion, the inclined portion 116 that is inclined more toward the rear side in the rotational direction than the rearward inclined portion 110 in the radial direction is provided. On the back surface 108 of the blade 104, a ridge portion 118 is formed to protrude in the intermediate portion in the diameter direction. The raised portion 118 is a concave curved portion on the outer side in the half-diameter direction of the impeller 100 abutting on the coupling member 102C.
接著,針對上述實施形態之作用及效果加以說明。 Next, the action and effect of the above embodiment will be described.
在本實施形態之珠粒噴擊處理裝置10中,滾輪運送機20係藉由複數個運送機滾輪24之旋轉,而將板狀之工件W朝工件搬送方向(箭頭D方向)搬送。此外,設置在滾輪運送機20之上方側及下方側之複數台離心式的投射機40係將投射材投射至工件W。 In the bead blasting apparatus 10 of the present embodiment, the roller conveyor 20 conveys the plate-shaped workpiece W in the workpiece conveying direction (arrow D direction) by the rotation of the plurality of conveyor rollers 24. Further, a plurality of centrifugal projectors 40 provided on the upper side and the lower side of the roller conveyor 20 project the projection material onto the workpiece W.
在此,如第2圖所示,複數台之投射機40係排列配置在工件寬度方向(箭頭X方向),且朝工件搬送方向(箭頭D方向)交互地偏離配置。因此,可在抑制來自各投射機之投射材彼此之碰撞(干涉)之狀態下,對工件寬度方向(箭頭X方向)之全域來投射投射材。 Here, as shown in FIG. 2, a plurality of projectors 40 are arranged side by side in the workpiece width direction (arrow X direction), and are alternately arranged in the workpiece conveying direction (arrow D direction). Therefore, the projection material can be projected in the entire width direction (arrow X direction) in a state where the collision (interference) between the projection materials from the respective projectors is suppressed.
如第3圖所示,在投射機40中,配置在控制籠92之直徑方向外側的葉輪100,係藉由葉板104將從控制籠92排出之投射材予以加速並進行投射。藉由葉輪100之旋轉而加速且被投射之投射材係在分散成某種程度之狀態下被投射。再者,在本實施形態中,控制籠92(第5圖)之中心軸線(與葉輪100之旋轉中心C一致的軸心),係以 裝置俯視時朝向工件搬送方向(箭頭D方向)之方式配置,因此藉由葉輪100之旋轉而投射之投射材係以朝工件寬度方向(箭頭X)擴散之方式被投射。 As shown in Fig. 3, in the projector 40, the impeller 100 disposed outside the diameter direction of the control cage 92 is accelerated by the blade 104 and projected from the control cage 92. The projection material that is accelerated by the rotation of the impeller 100 and projected is projected to be dispersed to a certain extent. Further, in the present embodiment, the central axis of the control cage 92 (Fig. 5) (the axis coincident with the rotational center C of the impeller 100) is Since the apparatus is disposed in a plan view in the direction in which the workpiece is conveyed (the direction of the arrow D), the projection material projected by the rotation of the impeller 100 is projected to diffuse in the width direction of the workpiece (arrow X).
在此,如第3圖所示,在本實施形態之葉輪100的葉板104之表面106,形成有相對於片100之直徑方向朝旋轉方向(箭頭R方向)後方側傾斜之後傾部110。因此,可使先從控制籠92排出之投射材接觸於葉板104之表面106的時序延遲。藉此,在先排出之投射材接觸於葉板104之表面106的時間點,後排出之投射材與先排出之投射材會集中在與葉板104之表面106接近的位置。結果,可更有效地使投射材集中在葉板104之表面106的後傾部110。亦即,從控制籠92之周方向的預定位置所排出之投射材的投射分佈曲線之上升會變得較陡。 Here, as shown in FIG. 3, the surface 106 of the blade 104 of the impeller 100 of the present embodiment is formed with a tilting portion 110 which is inclined toward the rear side in the rotational direction (arrow R direction) with respect to the diameter direction of the sheet 100. Therefore, the timing of the projecting material discharged from the control cage 92 first contacting the surface 106 of the blade 104 can be delayed. Thereby, when the first discharged projecting material contacts the surface 106 of the blade 104, the subsequently discharged projecting material and the previously discharged projecting material are concentrated at a position close to the surface 106 of the blade 104. As a result, the projecting material can be more effectively concentrated on the rearward inclined portion 110 of the surface 106 of the blade 104. That is, the rise of the projection distribution curve of the projection material discharged from the predetermined position in the circumferential direction of the control cage 92 becomes steep.
另一方面,第5圖所示,控制籠92之開口窗60係具備作為投射材之排出部的第1開口62及第2開口64之二個開口。再者,第1開口62與第2開口64係指在控制籠92之中心軸線CL方向局部地重疊之狀態下朝控制籠92之周方向偏置,且朝控制籠之中心軸線CL方向鄰接地配置。 On the other hand, as shown in FIG. 5, the opening window 60 of the control cage 92 is provided with two openings of the first opening 62 and the second opening 64 as the discharge portions of the projection material. Further, the first opening 62 and the second opening 64 are biased toward the circumferential direction of the control cage 92 in a state where the control cage 92 partially overlaps the central axis CL direction, and are adjacent to the central axis CL of the control cage. Configuration.
藉由該構成,分別從第1開口62及第2開口64排出之投射材,係從朝控制籠92之周方向偏置之位置排出。因此,作為開口窗之整體的投射分佈,係作為將從第1開口62排出之投射材的投射分佈、與從第2開口64排出之投射材的投射分佈予以合成之分佈。 With this configuration, the projection material discharged from the first opening 62 and the second opening 64 is discharged from a position offset from the circumferential direction of the control cage 92. Therefore, the projection distribution as the entire opening window is a distribution in which the projection distribution of the projection material discharged from the first opening 62 and the projection distribution of the projection material discharged from the second opening 64 are combined.
在此,第1開口62與第2開口64係彼此相連通,並且一部分會朝控制籠92之中心軸線CL的方向重疊,因此分別從第1開口62及第2開口64排出之投射材的各投射分佈亦會在一部分重疊。因此,整體之投射分佈之投射比率高的範圍(謀求投射之集中化的範圍)會擴展。 Here, since the first opening 62 and the second opening 64 are in communication with each other, and a part thereof overlaps in the direction of the central axis CL of the control cage 92, each of the projection materials discharged from the first opening 62 and the second opening 64 is formed. The projection distribution will also overlap in part. Therefore, the range in which the projection ratio of the overall projection distribution is high (the range in which the projection is concentrated) is expanded.
如上所述,在本實施形態中,利用後傾部110之作用,投射材之投射分佈曲線的上升會變得較陡,再者,利用第1開口62與第2開口64之作用,可得投射比率高之範圍(謀求投射之集中化的範圍)會擴展之投射分佈。因此,即使將第6圖所示之投射機40彼此之排列設置方向之間隔設定成比以往更寬,亦可進行同等以上之珠擊處理。 As described above, in the present embodiment, the projection of the projection distribution curve of the projection material is steeped by the action of the rearward tilting portion 110, and the action of the first opening 62 and the second opening 64 is obtained. The range in which the projection ratio is high (the range in which the projection is concentrated) expands the projection distribution. Therefore, even if the interval between the arrangement directions of the projectors 40 shown in Fig. 6 is set to be wider than the conventional one, the beading process of equal or higher can be performed.
針對該點,與對比例作比較,並且進行補足說明。第8圖係顯示對比例之珠粒噴擊裝置200。此外,在第8圖中,對與本實施形態相同之構成部賦予相同符號。 For this point, compare with the comparative example and make a supplementary explanation. Figure 8 shows a bead squirting device 200 of the comparative example. In the eighth embodiment, the same components as those in the embodiment are denoted by the same reference numerals.
珠粒噴擊裝置200係具備:在滾輪運送機20之上方側朝與工件搬送方向正交之方向、亦即工件寬度方向(箭頭X方向)排列配置之6台投射機202。6台投射機202係與本實施形態同樣地以朝工件搬送方向延伸之方式配置葉輪204之旋轉軸。再者,葉輪204之葉板係使朝向旋轉方向側之表面從旋轉中心朝直徑方向延伸。再者,在控制籠形成有具備與圓筒軸心平行之二邊的1個矩形狀之開口窗。 The bead blasting apparatus 200 is provided with six projectors 202 arranged on the upper side of the roller conveyor 20 in a direction orthogonal to the workpiece conveying direction, that is, in the workpiece width direction (arrow X direction). Six projectors In the same manner as in the present embodiment, the 202 system arranges the rotation shaft of the impeller 204 so as to extend in the workpiece conveying direction. Further, the louvers of the impeller 204 extend the surface toward the rotational direction side from the center of rotation in the radial direction. Further, in the control cage, a rectangular opening window having two sides parallel to the cylindrical axis is formed.
如此,在第8圖所示之珠粒噴擊裝置200的投射機202中,由於在葉板之表面未設置有後傾部,因此 投射材之投射與本實施形態相比較,往工件寬度方向(箭頭X方向)之分散較大。 Thus, in the projector 202 of the bead blasting apparatus 200 shown in FIG. 8, since the rear inclined portion is not provided on the surface of the louver, The projection of the projection material is larger in the width direction (arrow X direction) than in the present embodiment.
第7圖係對應於第6圖之投射密度分佈的圖式,而顯示本實施形態之珠粒噴擊處理裝置所產生之投射分佈。第9圖係對應於第8圖之投射密度分佈的圖式,而顯示由對比例之珠粒噴擊處理裝置所產生之投射分佈。 Fig. 7 is a view showing the projection distribution generated by the bead blasting apparatus of the present embodiment, corresponding to the projection density distribution of Fig. 6. Fig. 9 is a diagram corresponding to the projection density distribution of Fig. 8 showing the projection distribution produced by the bead blasting apparatus of the comparative example.
在第7圖中,虛線係表示各投射機40(第6圖)之投射密度分佈,實線係表示將各投射機40(第6圖)之投射密度分佈予以合成的投射密度分佈。此外,在第9圖中,一點虛線係表示各投射機202(第8圖)之投射密度分佈,二點虛線係表示將各投射機202(第8圖)之投射密度分佈予以合成之投射分佈。再者,第10圖係將第7圖之合成的投射密度分佈、與第9圖之合成的投射密度分佈予以對比之圖。 In Fig. 7, the broken line indicates the projection density distribution of each projector 40 (Fig. 6), and the solid line indicates the projection density distribution for combining the projection density distributions of the respective projectors 40 (Fig. 6). Further, in Fig. 9, a dotted line indicates the projection density distribution of each projector 202 (Fig. 8), and a two-dotted line indicates a projection distribution in which the projection density distribution of each projector 202 (Fig. 8) is combined. . Further, Fig. 10 is a view in which the projection density distribution synthesized in Fig. 7 is compared with the projection density distribution synthesized in Fig. 9.
比較第7圖及第9圖時,本實施形態之珠粒噴擊處理裝置10的投射機40(第6圖)之各投射密度分布曲線(第7圖之虛線),係與對比例之投射機202(第8圖)的各投射密度分布曲線(第9圖之一點鏈線)相比較,上升較陡且投射密度高的範圍較廣。換言之,對比例之投射機202(第8圖)的各投射密度分佈曲線(第9圖之一點鏈線)係接近倒V字狀的曲線,相對於此,本實施形態之投射機40(第6圖)的各投射密度分佈曲線(第7圖之虛線)係成為接近倒U字狀之曲線。 Comparing Fig. 7 and Fig. 9, the projection density distribution curves (the dotted line of Fig. 7) of the projector 40 (Fig. 6) of the bead blasting apparatus 10 of the present embodiment are projected with the contrast ratio. The projection density distribution curve (one dot chain line in Fig. 9) of the machine 202 (Fig. 8) is relatively steep in rise and has a wide projection density. In other words, the projection density distribution curve (one dot chain line in Fig. 9) of the projector 202 (Fig. 8) of the comparative example is close to the inverted V-shaped curve, whereas the projector 40 of the present embodiment is used. Each projection density distribution curve (dashed line in Fig. 7) of Fig. 6 is a curve close to an inverted U shape.
因此,如第6圖所示,即便使投射機之台數 減少成比對比例之情形少且將投射機40彼此之排列設置方向的間隔設為比以往寬,亦可如第10圖所示,進行與對比例之情形為同等以上的珠擊處理。 Therefore, as shown in Fig. 6, even if the number of projectors is made The interval between the reduction of the ratio and the arrangement direction of the projectors 40 is set to be wider than in the related art, and as shown in FIG. 10, the beading process may be performed in the same manner as in the case of the comparative example.
針對第10圖進行補足說明得知,本實施形態之情形係成為與對比例之情形相比更接近平坦之投射分佈,且與對比例之情形相比可抑制整體之投射不均。因此,由於可抑制因投射不均所產生之過度投射,因而可抑制投射材及消耗電力之浪費。 As is clear from the description of Fig. 10, the case of the present embodiment is a projection distribution that is closer to flat than the case of the comparative example, and the projection unevenness of the whole can be suppressed as compared with the case of the comparative example. Therefore, since excessive projection due to uneven projection can be suppressed, waste of the projection material and power consumption can be suppressed.
再者,在本實施形態中,如第3圖所示,後傾部110係形成在葉板104之基端部側,且在葉板104之表面106的前端部側,形成有朝葉輪100之直徑方向(直徑方向線L2)延伸的非後傾部114。因此,在後傾部110集中之投射材會在非後傾部114增加速度後被投射。藉此,由於可有效地提升投射速度,因此無須使葉輪100進行過度之高速旋轉,而可抑制消耗電力。 Further, in the present embodiment, as shown in Fig. 3, the rear inclined portion 110 is formed on the base end side of the blade 104, and on the front end side of the surface 106 of the blade 104, the impeller 100 is formed. The non-rear inclined portion 114 in which the diameter direction (diameter direction line L2) extends. Therefore, the projection material concentrated at the rearward tilting portion 110 is projected after the non-rearward inclined portion 114 is increased in speed. Thereby, since the projection speed can be effectively increased, it is not necessary to excessively rotate the impeller 100, and power consumption can be suppressed.
再者,在本實施形態中,以葉輪100之旋轉軸方向觀看時,將後傾部110之長度設定為比非後傾部114之長度更長。因此,在以葉板104之後傾部110將投射材充分地集中之後,以非後傾部114使投射材之速度增加。 Further, in the present embodiment, when viewed in the direction of the rotation axis of the impeller 100, the length of the rearward inclined portion 110 is set to be longer than the length of the non-rearward inclined portion 114. Therefore, after the projection material is sufficiently concentrated by the inclined portion 110 after the blade 104, the speed of the projection material is increased by the non-rearward portion 114.
再者,在本實施形態中,如第5圖所示,第1開口62與第2開口64係以直接接觸之方式形成。因此,由於無須在第1開口62與第2開口64之間設置用以連通兩者之連通部,因此加工性亦佳。 Further, in the present embodiment, as shown in Fig. 5, the first opening 62 and the second opening 64 are formed in direct contact with each other. Therefore, since it is not necessary to provide a communication portion for connecting the first opening 62 and the second opening 64, the workability is also good.
此外,在本實施形態中,排列配置之複數台 各投射機40的葉輪100之旋轉方向係設定成同一方向(第6圖之順時鐘方向)。因此,可抑制從不同之葉輪100投射之投射材彼此之碰撞(干涉)。 Further, in the present embodiment, a plurality of units arranged in a row are arranged The rotation direction of the impeller 100 of each projector 40 is set to the same direction (the clockwise direction of Fig. 6). Therefore, collision (interference) of the projection materials projected from the different impellers 100 can be suppressed.
再者,在本實施形態中,由於擴展各投射機40之高投射比率範圍而使投射分佈曲線之上升變得較陡,因此即使將排列配置之複數台投射機40中的各個葉輪100之旋轉方向設定成同一方向(第6圖之順時鐘方向),亦可抑制投射材對於箱體12之內壁側的碰撞量。 Further, in the present embodiment, since the rise of the projection distribution curve is made steep by expanding the range of the high projection ratio of each of the projectors 40, even the rotation of each of the plurality of projectors 40 arranged in the array projector 40 is arranged. The direction is set to the same direction (the clockwise direction in FIG. 6), and the amount of collision of the projecting material with the inner wall side of the casing 12 can also be suppressed.
如以上所述,依據本實施形態之珠粒噴擊裝置10,可抑制投射機40之台數,並且可對屬於板構件之工件W良好地進行表面處理加工。再者,由於投射機40之台數會被抑制,因此可抑制成本,並且亦提升維修性。 As described above, according to the bead blasting apparatus 10 of the present embodiment, the number of the projectors 40 can be suppressed, and the workpiece W belonging to the plate member can be satisfactorily subjected to surface treatment. Furthermore, since the number of the projectors 40 is suppressed, the cost can be suppressed and the maintainability can be improved.
本發明並不限定於前述實施形態,亦可在申請專利範圍所記載技術思想的範圍進行各種變更、變形。 The present invention is not limited to the above-described embodiments, and various modifications and changes can be made without departing from the scope of the invention.
在上述實施形態中,珠擊處理裝置雖為珠粒噴擊裝置,本發明之珠擊處理裝置亦可為其他珠擊處理裝置、例如珠擊裝置。 In the above embodiment, the bead blasting apparatus is a bead blasting apparatus, and the bead blasting apparatus of the present invention may be another bead blasting apparatus, for example, a bead blasting apparatus.
再者,在上述實施形態之控制籠的開口窗60中,如第5圖所示以第1開口62與第2開口64直接連接之方式形成,但亦可為開口窗在第1開口與第2開口之間具備使兩者連通之連通部的構成。 Further, in the opening window 60 of the control cage of the above-described embodiment, as shown in FIG. 5, the first opening 62 and the second opening 64 are directly connected to each other, but the opening window may be the first opening and the first opening. There is a configuration in which the communication portions that connect the two are provided between the openings.
連通部亦可為將第1開口與第2開口予以直線地連結者,亦可為將第1開口與第2開口連結成台階狀者。 The communication portion may be a linear connection between the first opening and the second opening, or may be a step of connecting the first opening and the second opening to a stepped shape.
具體而言,亦可為藉由直線狀之連通部63’ 將第1開口與第2開口予以連結的控制籠92’(第11圖(A))。再者,亦可為藉由台階狀之連通部63”將第1開口與第2開口予以連結的控制籠92”(第11圖(B))。 Specifically, it may be a linear communication portion 63' The control cage 92' that connects the first opening and the second opening (Fig. 11(A)). Further, the control cage 92" that connects the first opening and the second opening by the stepped communication portion 63" may be used (Fig. 11(B)).
再者,在上述實施形態之葉輪中,葉板之後傾部110係相對於葉輪100之直徑方向(直徑方向線L1)朝後方側傾斜40°,後傾部之傾斜角度雖較佳為30°至50°,惟後傾部之傾斜角度亦可設為相對於直徑方向為25°、55°等之其他角度。 Further, in the impeller according to the above-described embodiment, the blade rear inclined portion 110 is inclined by 40° toward the rear side with respect to the diameter direction (diameter direction line L1) of the impeller 100, and the inclination angle of the rear inclined portion is preferably 30°. It is up to 50°, but the inclination angle of the rearward tilting portion may be set to other angles such as 25° and 55° with respect to the diameter direction.
並且,葉板之表面中之形成於前端部側的非後傾部,雖係朝旋轉方向後方側傾斜,但亦可為其傾斜角度比後傾部之傾斜角小之構成,亦可為相對於葉輪之直徑方向朝旋轉方向前方傾斜之構成。此外,亦可為在葉板之表面未形成有非後傾部的構成。 Further, the non-rearward inclined portion formed on the tip end portion side of the surface of the blade is inclined toward the rear side in the rotation direction, but may be configured such that the inclination angle thereof is smaller than the inclination angle of the rearward inclined portion, or may be relative It is configured to be inclined forward in the direction of rotation in the diameter direction of the impeller. Further, a configuration in which a non-rearward portion is not formed on the surface of the blade may be employed.
再者,亦可在葉輪之尺寸較大時等,將葉輪之從旋轉軸方向觀看時之後傾部的長度與非後傾部之長度設定為同等。 Further, when the size of the impeller is large, the length of the inclined portion and the length of the non-rearward portion are set to be equal when the impeller is viewed from the direction of the rotation axis.
此外,亦可為在葉板之表面中後傾部與非後傾部並未隔介彎曲部而連續之構成。再者,亦可為在葉板之背面的基端部並未設置傾斜部116之構成。 Further, the back inclined portion and the non-rearward inclined portion may be continuously formed without interlacing the curved portion on the surface of the blade. Further, the inclined portion 116 may not be provided at the base end portion of the back surface of the blade.
再者,葉輪亦可透過凸座安裝在驅動馬達之旋轉軸。 Furthermore, the impeller can also be mounted on the rotating shaft of the drive motor through the boss.
此外,第6圖所示之投射機40亦可為朝表背相反方向(以圖中之表側成為背側之方式)配置。再者,亦可為僅將第6圖之圖中左端的投射機40朝表背相反方向(以圖中之 表側成為背側之方式)配置之構成。 Further, the projector 40 shown in Fig. 6 may be arranged in the opposite direction to the front and back (in the side of the figure, the side is the back side). Furthermore, it is also possible to use only the projector 40 at the left end in the figure of FIG. 6 in the opposite direction of the front and back (in the figure) The configuration of the front side is the configuration of the back side.
亦可將上述實施形態及上述之複數個變形例予以適當地組合。 The above embodiment and the above various modifications may be combined as appropriate.
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TW201217100A (en) * | 2010-09-30 | 2012-05-01 | Sintokogio Ltd | Shot treatment device |
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Publication number | Publication date |
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TW201609320A (en) | 2016-03-16 |
WO2016013526A1 (en) | 2016-01-28 |
KR20170035908A (en) | 2017-03-31 |
CN106573359A (en) | 2017-04-19 |
BR112016030536B1 (en) | 2021-03-02 |
JPWO2016013526A1 (en) | 2017-04-27 |
CN106573359B (en) | 2019-02-05 |
JP6504413B2 (en) | 2019-04-24 |
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