CN108857918A - A kind of automatic sand spurting device and technique of the gasoline engine charging turbine of low deflection - Google Patents

A kind of automatic sand spurting device and technique of the gasoline engine charging turbine of low deflection Download PDF

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Publication number
CN108857918A
CN108857918A CN201810694057.4A CN201810694057A CN108857918A CN 108857918 A CN108857918 A CN 108857918A CN 201810694057 A CN201810694057 A CN 201810694057A CN 108857918 A CN108857918 A CN 108857918A
Authority
CN
China
Prior art keywords
sand
turbine
spray gun
sandblasting
gasoline engine
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201810694057.4A
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Chinese (zh)
Inventor
顾友方
刘举
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI FANNIWEIER ENGINEERING Co Ltd
Original Assignee
WUXI FANNIWEIER ENGINEERING Co Ltd
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 WUXI FANNIWEIER ENGINEERING Co Ltd filed Critical WUXI FANNIWEIER ENGINEERING Co Ltd
Priority to CN201810694057.4A priority Critical patent/CN108857918A/en
Publication of CN108857918A publication Critical patent/CN108857918A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00Abrasive blasting machines or devices; Plants
    • B24C3/18Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B24C3/20Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by turntables
    • B24C3/22Apparatus using nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B24C9/003Removing abrasive powder out of the blasting machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B24C9/006Treatment of used abrasive material

Abstract

The invention discloses a kind of automatic sand spurting devices of the gasoline engine charging turbine of low deflection, it is related to grit blasting techniques field, including frame body, blast room is provided in the frame body, sandblasting station and spray gun mechanism are provided in the blast room, the sandblasting station includes turntable and installation tooling platform on a spinstand, and the spray gun mechanism includes that at least one can recycle the spray gun swung in vertical direction, and the spray gun be located at tooling platform top and towards tooling platform.The invention also discloses a kind of automatic sand blasting techniques of the gasoline engine charging turbine of low deflection.Invention achieves the effects of the uniform sandblasting of turbine surfaces, make the deformation amount controlling of turbo blade within ± 0.2mm.

Description

A kind of automatic sand spurting device and technique of the gasoline engine charging turbine of low deflection
Technical field
The present invention relates to grit blasting techniques field, more particularly to a kind of low deflection gasoline engine charging turbine from Dynamic sand blasting unit and technique.
Background technique
Blasting treatment is to use compressed air for power, to form high velocity spray beam for material spray (copper ore, quartz sand, gold Emery, iron sand, sea sand) it is ejected into need to handle workpiece surface at a high speed, so that the appearance of workpiece surface or shape is changed.Due to mill Expect the impact and shear action to workpiece surface, so that the surface of workpiece is obtained certain cleannes and different roughness, make work The mechanical performance on part surface is improved, therefore improves the fatigue resistance of workpiece, increases its adhesive force between coating, The durability for extending film is also beneficial to the levelling and decoration of coating.
Blade wall thickness design 0.3mm of gasoline engine charging turbine or so, maximum deformation quantity is required in ± 0.2mm or so.Spray Sand processing surface is the necessary process of booster turbine hot investment casting production.Traditional blasting craft uses the compressed air band of pressure limiting Dynamic sand sprays turbine surfaces, and the time of sandblasting and direction cannot effectively control, to generate beyond desired deflection, produces Raw expensive inspection screening cost.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provide a kind of gasoline of low deflection The automatic sand spurting device and technique of machine charging turbine.
In order to solve the above technical problems, technical scheme is as follows:
A kind of automatic sand spurting device of the gasoline engine charging turbine of low deflection, including frame body are provided with sandblasting in the frame body Room, is provided with sandblasting station and spray gun mechanism in the blast room, and the sandblasting station includes turntable and is mounted on rotation Tooling platform on platform, the spray gun mechanism include rotating electric machine, eccentric wheel, connecting rod, swinging axle and spray gun, eccentric wheel and rotation Motor drive connection, one end of connecting rod are fixedly connected on eccentric wheel, and the other end is fixedly connected with one end of swinging axle, swinging axle The other end be hinged in blast room, spray gun is fixedly mounted on swinging axle, and the spray gun is fixedly connected with swinging axle, the spray For rifle position above tooling platform and towards tooling platform, the blast room top is provided with sand supplying room, the spray gun and sand supplying room It is connected to, is provided in the sand supplying room for sand chamber, the upper end for sand chamber is provided with sand inlet, and the lower end for sand chamber is set It is equipped with sand feeding hole, driving baffle can be provided in the sand supplying room for sand feeding hole closed baffle by being hinged at the sand feeding hole The cylinder of movement.
Further, it is provided with sand collecting chamber below the blast room, the sand collecting chamber upper end is connected to blast room, the collection Sand room lower end is provided with sand export, and the sand export is communicated with cyclone separator, is provided with dust tank on the cyclone separator, The entrance of the dust tank is provided with dust exhaust apparatus, and the cyclone separator lower end is provided with sand collecting tank, and the sand collecting tank is logical Piping is connected to sand inlet.
A kind of automatic sand spurting device of the gasoline engine charging turbine of preceding low deflection sets operation window in blast room Mouthful, it is provided with upright lift gate at the action pane, is provided with left and right on the outside of upright lift gate in the blast room and opens Close sliding door.
A kind of automatic sand spurting device of the gasoline engine charging turbine of preceding low deflection, be arranged in blast room there are three Sandblasting station.
The automatic sand spurting device of the gasoline engine charging turbine of preceding a kind of low deflection, on each sandblasting station Side's setting is there are five spray gun, and one is located at the surface of sandblasting station along the vertical direction in five spray guns, remaining four with The spray gun is uniformly distributed for axis.
A kind of automatic sand spurting device of the gasoline engine charging turbine of preceding low deflection, the rotation frequency of turntable are 0-40Hz, the hunting range of the spray gun are 0-15 °, and the hunting frequency of the spray gun is 0-40Hz.
A kind of automatic sand blasting technique of the gasoline engine charging turbine of low deflection, includes the following steps:
S1:Sand material is added in automatic sand spurting device, is then placed on turbine in the tooling platform of sandblasting station, turbine Face-up;
S2:Blast time is set, then starts spray gun, five spray guns start to be sprayed to turbine surfaces above each sandblasting station Sand, spray gun carry out the swing of the circulation within the scope of 15 ° in the vertical direction during sandblasting, meanwhile, each sandblasting station Turntable drives turbine to carry out 360 ° of rotations;
S3:Spray gun continues jet after having sprayed sand material, removes the sand material of turbine surfaces, completes blasting treatment;
S4:The turbine back side is reapposed in tooling platform upward, sets blast time again, then starts spray gun, spray gun The circulation carried out in the vertical direction within the scope of 15 ° during sandblasting is swung, meanwhile, the turntable band of each sandblasting station Dynamic turbine carries out 360 ° of rotations, until completing blasting treatment;
S5:Turbine is taken out, turbine is cleared up.
A kind of automatic sand blasting technique of the gasoline engine charging turbine of preceding low deflection, sand material are the palm fibre of 80 mesh specifications Corundum.
The beneficial effects of the invention are as follows:
(1)In the present invention, turbine is placed on tooling platform, and turntable drives tooling platform rotation, thus realize turbine rotation, The sand material for spraying spray gun acts on the different location on turbine, improves the uniformity of turbine surfaces blasting treatment;Meanwhile it spraying Rifle is recycled swings during the work time, to realize the adjustment in spray gun sandblasting direction, not only increases the covering of spray gun sandblasting Range, and sand material is made to act on the different location on turbine, in conjunction with turbine rotation, it can obviously reach the uniform sandblasting of turbine surfaces Effect, solve the problems, such as that turbo blade is easily deformed, make the deformation amount controlling of turbo blade within ± 0.2mm, and Capability index >=1.33 CPK;
(2)In the present invention, cyclone separator is communicated in sand collecting chamber, the mixture of sand material and dust after blasting treatment is by whirlwind Separator leans on gravity fall after drawing to eminence, and the lesser dust of quality is pumped down in dust tank in cyclone separator, and matter It measures biggish sand material then to fall in sand collecting tank, realizes the recycling of sand material, be pumped down in dust tank until becoming dust, in this way So that the utilization rate of sand material is improved 33.3%, is effectively saved cost, and the reuse of sand material can make turbine surfaces Obtain lower surface roughness;
(3)In the present invention, being hinged at sand export in sand supplying room can be driven the closed baffle of sand export, baffle by cylinder It is dynamic, cylinder operation can be controlled by controller, driving baffle closes sand export, so that spray gun is realized sandblasting for the previous period, when back segment Between jet, to realize segmented blasting treatment, the Relict Sand material after can effectively eliminating turbine surfaces sandblasting;
(4)In the present invention, there are three sandblasting stations for setting in blast room, can carry out blasting treatment to three turbines simultaneously, have Effect improves the working efficiency of blasting treatment;Meanwhile 5 spray guns are provided on each sandblasting station, this 5 spray guns are in vertical side It is uniformly distributed upwards, the working efficiency of blasting treatment is not only made to improve 8%, but also further improve at turbine surfaces sandblasting The uniformity of reason;
(5)It in the present invention, being provided at two in blast room and commonly uses window, be overhauls window at one, another place is action pane, One sect is only set at overhauls window, and is sealed with sealing strip;Two sects are arranged in action pane, are upright lift gate together, separately It is opening and closing left and right sliding door together, not only increases sound insulation and the dust-proof effect of blast room in this way, and avoids conventional hinge door The dust sand material strip being adhered on door is gone out when folding, pollutes working environment;
(6)The present invention uses PLC control technology, and high degree of automation reduces the labor intensity of employee, significantly reduces labor Dynamic cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram at sandblasting station;
Fig. 3 is the structural schematic diagram of spray gun mechanism;
Fig. 4 is the structural schematic diagram of sand supplying room;
Fig. 5 is the structural schematic diagram at blast room's action pane;
Fig. 6 is the structural schematic diagram at cyclone separator;
Wherein:1, frame body;2, blast room;3, turntable;4, tooling platform;5, spray gun;6, rotating electric machine;7, eccentric wheel;8, even Bar;9, swinging axle;10, sand supplying room;11, for sand chamber;12, sand inlet;13, sand feeding hole;14, baffle;15, cylinder;16, collect sand Room;17, sand export;18, cyclone separator;19, dust tank;20, sand collecting tank;21, pipeline;22, upright lift gate;23, left and right Open and close sliding door;24, turbine.
Specific embodiment
It is right below according to specific embodiment and in conjunction with attached drawing to make the contents of the present invention be easier to be clearly understood The present invention makes further details of explanation.
The automatic sand spurting device for present embodiments providing a kind of gasoline engine charging turbine 24 of low deflection, such as Fig. 1-6 institute Show, including frame body 1, blast room 2, sand supplying room 10 and sand collecting chamber 16 are provided in frame body 1.
Setting is there are three sandblasting station in blast room 2, and each sandblasting station includes turntable 3 and is mounted on turntable The rotation frequency of tooling platform 4 on 3, turntable 3 is 0-40Hz, and 5 mechanism of spray gun is mounted on above each sandblasting station, Each 5 mechanism of spray gun includes rotating electric machine 6, eccentric wheel 7, connecting rod 8, swinging axle 9 and spray gun 5, eccentric wheel 7 and rotating electric machine 6 Transmission connection, one end of connecting rod 8 are fixedly connected on eccentric wheel 7, and the other end is fixedly connected with one end of swinging axle 9, swinging axle 9 The other end be hinged in blast room 2, spray gun 5 is fixedly mounted on swinging axle 9, rotating electric machine 6 with movable eccentric wheel 7 rotate, band Dynamic connecting rod 8 moves, so that swinging axle 9 be driven to be swung, makes spray gun 5 that can carry out the circulation within the scope of 15 ° in perpendicular It swings, the hunting frequency of spray gun 5 is 0-40Hz.Wherein, setting is intermediate in five spray guns 5 there are five spray gun 5 above each station A spray gun 5 along the vertical direction be located at sandblasting station surface, remaining four are uniformly distributed with the spray gun 5 for axis, spray Rifle 5 is towards tooling platform 4.
Sand supplying room 10 is located at the top of blast room 2, and spray gun 5 is connected to sand supplying room 10, is provided in sand supplying room 10 for sand chamber 11, the upper end of sand chamber 11 is provided with sand inlet 12, the lower end of sand chamber 11 is provided with sand feeding hole 13, is hinged at sand feeding hole 13 The closed baffle 14 of sand feeding hole 13, the baffle 14 can be driven by the cylinder 15 being mounted in sand supplying room 10.
Sand collecting chamber 16 is located at the lower section of blast room 2, and 16 upper end of sand collecting chamber is connected to blast room 2, the setting of 16 lower end of sand collecting chamber There is sand export 17, sand export 17 is communicated with cyclone separator 18, dust tank 19 is provided on cyclone separator 18, dust tank 19 Entrance is equipped with dust exhaust apparatus, and 18 lower end of cyclone separator is provided with sand collecting tank 20, the sand material and dust after blasting treatment Mixture leans on gravity fall after being drawn by cyclone separator 18 to eminence, and the lesser dust of quality is taken out in cyclone separator 18 Into dust tank 19, the biggish sand material of quality is then fallen in sand collecting tank 20, and sand collecting tank 20 is connected to by pipeline 21 with sand inlet 12, The sand material being collected into sand collecting tank 20 is transported at sand inlet 12 by pipeline 21, is realized and is recycled.
Window is commonly used in addition, being provided at two in blast room 2, is overhauls window at one, another place is action pane, inspection It repairs and a sect is only set at window, and sealed with sealing strip;Two sects are arranged in action pane, are upright lift gate 22 together, separately It is opening and closing left and right sliding door 23 together, and upright lift gate 22 is located at 23 inside of opening and closing left and right sliding door, not only increases sandblasting in this way The sound insulation of room 2 and dust-proof effect, and avoid when conventional hinge door opens and closes to go out the dust sand material strip being adhered on door, it pollutes Working environment.
The present embodiment additionally provides a kind of automatic sand blasting technique of the gasoline engine charging turbine 24 of low deflection, including following Step:
S1:The Brown Alundum of 80 mesh specifications is added in automatic sand spurting device as sand material, turbine 24 is then placed on sandblasting In the tooling platform 4 of station, turbine 24 it is face-up;
S2:Set blast time, then start spray gun 5, above each sandblasting station five spray guns 5 start to 24 surface of turbine into Row sandblasting, spray gun 5 carry out the swing of the circulation within the scope of 15 ° in perpendicular during sandblasting, meanwhile, each nozzleman The turntable 3 of position drives turbine 24 to carry out 360 ° of rotations;
S3:Spray gun 5 continues jet after having sprayed sand material, removes the sand material on 24 surface of turbine, completes blasting treatment;
S4:24 back side of turbine is reapposed over upward in tooling platform 4, sets blast time again, then starts spray gun 5, Spray gun 5 carries out the swing of the circulation within the scope of 15 ° in perpendicular during sandblasting, meanwhile, the rotation of each sandblasting station Turntable 3 drives turbine 24 to carry out 360 ° of rotations, until completing blasting treatment;
S5:Turbine 24 is taken out, turbine 24 is cleared up.
After automatic sand spurting device provided in this embodiment and blasting craft, not only make the work of 24 blasting treatment of turbine Efficiency improves 8%, and makes the deformation amount controlling of 24 blade of turbine within ± 0.2mm, and Capability index >=1.33 CPK, The quality of 24 blasting treatment of turbine is higher, substantially prolongs the service life of turbine 24, meanwhile, also improve the utilization rate of sand material 33.3%, it is effectively saved cost.
In addition to the implementation, the present invention can also have other embodiments;It is all to use equivalent substitution or equivalent transformation shape At technical solution, fall within the scope of protection required by the present invention.

Claims (8)

1. a kind of automatic sand spurting device of the gasoline engine charging turbine of low deflection, including frame body (1), the frame body (1) is interior to be set It is equipped with blast room (2), is provided with sandblasting station and spray gun mechanism in the blast room (2), it is characterised in that:The sandblasting station Including turntable (3) and the tooling platform (4) being mounted on turntable (3),
The spray gun mechanism includes rotating electric machine (6), eccentric wheel (7), connecting rod (8), swinging axle (9) and spray gun (5), eccentric wheel (7) it is sequentially connected with rotating electric machine (6), one end of connecting rod (8) is fixedly connected on eccentric wheel (7), the other end and swinging axle (9) One end be fixedly connected, the other end of swinging axle (9) is hinged in blast room (2), and spray gun (5) is fixedly mounted on swinging axle (9) On, the spray gun (5) is fixedly connected with swinging axle (9), and the spray gun (5) is located above tooling platform (4) and flat towards tooling Platform (4),
It is provided with sand supplying room (10) above the blast room (2), the spray gun (5) is connected to sand supplying room (10), the sand supplying room (10) it is provided with for sand chamber (11) in, the upper end for sand chamber (11) is provided with sand inlet (12), described for sand chamber (11) Lower end is provided with sand feeding hole (13), and being hinged at the sand feeding hole (13) can be described by sand feeding hole (13) closed baffle (14) The cylinder (15) of driving baffle (14) movement is provided in sand supplying room (10).
2. a kind of automatic sand spurting device of the gasoline engine charging turbine of low deflection according to claim 1, feature exist In:It is provided with sand collecting chamber (16) below the blast room (2), sand collecting chamber (16) upper end is connected to blast room (2), the collection Sand room (16) lower end is provided with sand export (17), and the sand export (17) is communicated with cyclone separator (18), the cyclonic separation It is provided on device (18) dust tank (19), the entrance of the dust tank (19) is provided with dust exhaust apparatus, the cyclone separator (18) lower end is provided with sand collecting tank (20), and the sand collecting tank (20) is connected to by pipeline (21) with sand inlet (12).
3. a kind of automatic sand spurting device of the gasoline engine charging turbine of low deflection according to claim 1, feature exist In:Action pane is set on the blast room (2), is provided at the action pane upright lift gate (22), the blast room (2) Upper upright lift gate (22) outside that is located at is provided with opening and closing left and right sliding door (23).
4. a kind of automatic sand spurting device of the gasoline engine charging turbine of low deflection according to claim 1, feature exist In:There are three sandblasting stations for setting in the blast room (2).
5. a kind of automatic sand spurting device of the gasoline engine charging turbine of low deflection according to claim 4, feature exist In:Above each sandblasting station there are five settings spray gun (5), one is located at along the vertical direction in five spray guns (5) The surface of sandblasting station, remaining four are uniformly distributed with the spray gun (5) for axis.
6. a kind of automatic sand spurting device of the gasoline engine charging turbine of low deflection according to claim 1, feature exist In:The rotation frequency of the turntable (3) is 0-40Hz, and the hunting range of the spray gun (5) is 0-15 °, the spray gun (5) Hunting frequency is 0-40Hz.
7. a kind of automatic sand blasting technique of the gasoline engine charging turbine of the low deflection as described in claim 1-6 is any, special Sign is:Include the following steps:
S1:Sand material is added in automatic sand spurting device, turbine (24) is then placed on to the tooling platform (4) of sandblasting station It is interior, turbine (24) it is face-up;
S2:Blast time is set, then starts spray gun (5), five spray guns (5) start to turbine (24) above each sandblasting station Surface carries out sandblasting, and spray gun (5) carries out the swing of the circulation within the scope of 15 ° in perpendicular during sandblasting, meanwhile, often The turntable (3) of a sandblasting station drives turbine (24) to carry out 360 ° of rotations;
S3:Spray gun (5) continues jet after having sprayed sand material, removes the sand material on turbine (24) surface, completes blasting treatment;
S4:Turbine (24) back side is reapposed over upward in tooling platform (4), sets blast time again, then starting spray Rifle (5), spray gun (5) carry out the swing of the circulation within the scope of 15 ° in perpendicular during sandblasting, meanwhile, each sandblasting The turntable (3) of station drives turbine (24) to carry out 360 ° of rotations, until completing blasting treatment;
S5:It takes out turbine (24), turbine (24) is cleared up.
8. a kind of automatic sand blasting technique of the gasoline engine charging turbine of low deflection according to claim 7, feature exist In:The sand material is the Brown Alundum of 80 mesh specifications.
CN201810694057.4A 2018-06-29 2018-06-29 A kind of automatic sand spurting device and technique of the gasoline engine charging turbine of low deflection Pending CN108857918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810694057.4A CN108857918A (en) 2018-06-29 2018-06-29 A kind of automatic sand spurting device and technique of the gasoline engine charging turbine of low deflection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810694057.4A CN108857918A (en) 2018-06-29 2018-06-29 A kind of automatic sand spurting device and technique of the gasoline engine charging turbine of low deflection

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CN108857918A true CN108857918A (en) 2018-11-23

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2198072Y (en) * 1994-06-28 1995-05-24 四川长平机械厂 Box type sand blasting machine
TW318419U (en) * 1996-04-01 1997-10-21 Shu-Mei Wu Sandblasting machine
JP2008194773A (en) * 2007-02-13 2008-08-28 Sugino Mach Ltd Abrasive feeding device and abrasive feeding method
CN202088102U (en) * 2011-03-31 2011-12-28 东莞市东城百通五金机械厂 Full-automatic sand blasting machine
CN205520979U (en) * 2016-01-22 2016-08-31 福州六和机械有限公司 Foundry goods sand blasting unit
CN205765657U (en) * 2016-06-22 2016-12-07 赣州艺佳兴陶瓷有限公司 A kind of new ceramics sandblasting machine
CN106239380A (en) * 2016-08-30 2016-12-21 合肥通用机械研究院 A kind of dry grinding material feeding device
CN107717751A (en) * 2017-11-13 2018-02-23 江苏飞腾铸造机械有限公司 A kind of Shot Blasting method suitable for multi-surface workpiece

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2198072Y (en) * 1994-06-28 1995-05-24 四川长平机械厂 Box type sand blasting machine
TW318419U (en) * 1996-04-01 1997-10-21 Shu-Mei Wu Sandblasting machine
JP2008194773A (en) * 2007-02-13 2008-08-28 Sugino Mach Ltd Abrasive feeding device and abrasive feeding method
CN202088102U (en) * 2011-03-31 2011-12-28 东莞市东城百通五金机械厂 Full-automatic sand blasting machine
CN205520979U (en) * 2016-01-22 2016-08-31 福州六和机械有限公司 Foundry goods sand blasting unit
CN205765657U (en) * 2016-06-22 2016-12-07 赣州艺佳兴陶瓷有限公司 A kind of new ceramics sandblasting machine
CN106239380A (en) * 2016-08-30 2016-12-21 合肥通用机械研究院 A kind of dry grinding material feeding device
CN107717751A (en) * 2017-11-13 2018-02-23 江苏飞腾铸造机械有限公司 A kind of Shot Blasting method suitable for multi-surface workpiece

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Application publication date: 20181123