CN102123829A - Injection nozzle for blast machining - Google Patents
Injection nozzle for blast machining Download PDFInfo
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- CN102123829A CN102123829A CN2010800023766A CN201080002376A CN102123829A CN 102123829 A CN102123829 A CN 102123829A CN 2010800023766 A CN2010800023766 A CN 2010800023766A CN 201080002376 A CN201080002376 A CN 201080002376A CN 102123829 A CN102123829 A CN 102123829A
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- gas
- injection
- injection portion
- rectification part
- shot
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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
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
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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
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
Abstract
Provided is a highly durable injection nozzle for blast machining, which is capable of machining a wide width area uniformly. The nozzle (10) is provided with a gas injection portion (11), a supply port (12) for supplying an injection material, a mixing chamber (13) which is connected to the gas injection portion and the supply port and in which a compressed gas supplied from the gas injection portion and the injection material supplied from the supply port are mixed to form a solid-gas two-phase flow, and an injection material injection portion (14) which injects the solid-gas two-phase flow introduced from the mixing chamber onto an object to be machined. A flow regulator (20) which widens a flow of the compressed gas in the major side direction is formed at an opening (11b) of the gas injection portion. The flow regulator is provided with flow regulation members (21) having flow regulation surfaces (21a) for widening the flow of the compressed gas in the major side direction of a rectangular section of the gas injection portion. The flow regulation members (21) are provided perpendicularly to the major sides and symmetrically with respect to a center line of the major sides and divide a first passage (11a).
Description
The application advocates the interests of the Japanese patent application No. of filing an application to the Japan patent Room on August 31st, 2009 2009-199170 number, and the content of this application is by with reference to being combined in the present invention.
Technical field
The present invention relates to the nozzle of use in to the shot-peening processing of machined object spray material, especially, relate to the shot-peening processing injection nozzle of the even processing that is fit to broader region.
Background technology
In the past, in the field of the Surface Machining such as current mark (flow mark) removal of deburring, surperficial roughening and foundry goods etc., use shot-peening mechanics, in recent years, it is surging at a high speed and equably solar module to be carried out machining requirements with the large substrate of substrate, plasma scope etc.In shot-peening processing, use the nozzle of injection stream (solid and gas two-phase flow) of the fluid-mixing of the blasting materials (grinding-material) that sprays the air stream supplied with from the compressed air supply source and supply with from the blasting materials supply source.Common widely used shot-peening processing has the jet of the narrow circular cross-section of the width of jet mixing flow body with the leading section of injection nozzle.Carry out under the situation of shot-peening processing spreading all over broader region by primary nozzle scanning, use sometimes to replace the narrow circular cross-section of width and have the shot-peening processing nozzle of jet at the jet of square-section extending transversely.But in the nozzle of the jet with this square-section, jet velocity descends in the end of the long side direction of jet, therefore exists and can't spread all over the problem that the whole width of jet carries out uniform shot-peening processing.
In order to address this is that, for example, use in the injection nozzle in patent documentation 1 disclosed shot-peening processing, be provided with the grinding-material diffuser casing that constitutes by grinding-material diffusion part and grinding-material rectification part, the cross sectional shape of the injection stream (solid and gas two-phase flow) of the fluid-mixing of blasting materials and Compressed Gas is rectified into elongated shape and sprays, described grinding-material diffusion part is along with towards injection direction and the width cross section narrows down gradually, and described grinding-material rectification part is formed on the place ahead of described grinding-material diffusion part.
Patent documentation 1: No. 4287528 communique of Japan's patent application (Fuji Mfg Co., Ltd., Tokyo)
Summary of the invention
But, when the method for utilizing above-mentioned patent documentation 1 to be put down in writing is carried out rectification to the solid and gas two-phase flow, since the solid and gas two-phase flow at high speed with the collision of the inwall of grinding-material diffusion part or grinding-material rectification part, therefore cause the wearing and tearing of grinding-material diffusion part or grinding-material rectification part, damage easily.Thus, there be the replacing frequency height of shot-peening processing, the problem that durability is low with the component parts of nozzle.
Therefore, the objective of the invention is to realize to carry out equably the processing and the high shot-peening processing injection nozzle of durability of broader region.
In order to reach above-mentioned purpose, as first aspect was put down in writing, the present invention adopted following technique device, and shot-peening processing possesses with injection nozzle: gas injection portion, and this gas injection portion is used to spray Compressed Gas; Supply port, this supply port is used to supply with blasting materials; Mixing chamber, this mixing chamber is communicated with above-mentioned gas injection portion and above-mentioned supply port respectively, to mixing from above-mentioned gas injection portion compressed and supplied gas and the blasting materials supplied with from above-mentioned supply port, forms the solid and gas two-phase flow; And blasting materials injection portion, this blasting materials injection portion is communicated with above-mentioned mixing chamber, is arranged on the extending direction of above-mentioned gas injection portion, be used for spraying the solid and gas two-phase flow that imports from above-mentioned mixing chamber towards machined object, wherein,
Be provided with contract first stream of gas flow of voltage supply in above-mentioned gas injection portion, this first stream has opening and rectification part, the cross section vertical with injection direction Compressed Gas this rectification part forms the rectangle cross section, be used to make of the long side direction expansion of the air-flow of the Compressed Gas that sprays from above-mentioned opening in above-mentioned rectangle cross section
Be provided with second stream that flows for the solid and gas two-phase flow in above-mentioned blasting materials injection portion, the vertical cross section of injection direction with the solid and gas two-phase flow of this second stream forms rectangle, and the long side direction in the rectangle cross section of this second stream towards with the long side direction of first stream towards consistent.
In the peristome of gas injection portion, can utilize rectification part to make of the long side direction expansion of the air-flow of Compressed Gas in the rectangle cross section.Thus, can make to be rectified into Compressed Gas that even velocity distributes at long side direction and to mix mixing chamber with the blasting materials of supplying with from supply port and form the solid and gas two-phase flow, and with this solid and gas two-phase flow importing blasting materials injection portion.This solid and gas two-phase flow is rectified at long side direction has the even velocity distribution, and the density of blasting materials is even, therefore can spread all over the broader region corresponding with blasting materials injection portion and carry out shot-peening processing equably.Thus, can widen the width that once can carry out shot-peening processing, therefore can improve the working (machining) efficiency of shot-peening processing.
And, owing to before forming the solid and gas two-phase flow, compressed-air actuated flowing carried out rectification, therefore, the solid and gas two-phase flow that forms in mixing chamber directly is imported into second stream that is configured in identical long side direction, therefore the solid and gas two-phase flow tails off with the inwall case of collision in the internal extended of second stream, can prevent the wearing and tearing of second stream, damage.In addition, owing to blasting materials can not collide with rectification part, so rectification part can not wear and tear yet, damage.Thus, can realize the shot-peening processing injection nozzle that durability is high.
In above-mentioned rectification part, inside at above-mentioned first stream, with vertical with long limit and be provided with rectification part with respect to the center line symmetrical manner on long limit, this rectification part has the rectification face that the air-flow that makes Compressed Gas is expanded at the long side direction in the rectangle cross section of above-mentioned gas injection portion.
In this case, can utilize the rectification face of rectification part to make of the long side direction expansion of the air-flow of Compressed Gas, therefore can be more efficiently the air-flow of Compressed Gas be rectified into even velocity at long side direction and distribute in the rectangle cross section of gas injection portion.Therefore, can be more efficiently the broader region of the long side direction of blasting materials injection portion be carried out shot-peening processing equably.
The cross section parallel with above-mentioned long limit of preferred above-mentioned rectification part forms the shape that width broadens towards the injection direction of Compressed Gas.This cross section for example can be enumerated triangle, semiellipse, semicircle etc., but is not limited to these shapes.
Like this, when will the cross section parallel forming the shape that the injection direction of width towards Compressed Gas broaden with long limit, can not produce eddy current in the downstream of rectification part, the air-flow of Compressed Gas can be rectified into even velocity and distribute, can carry out shot-peening processing equably the broader region of the long side direction of blasting materials injection portion.
The width of the above-mentioned cross section of preferred above-mentioned rectification part is below 1mm.
This is because when width surpassed 1mm, the speed of the air-flow of the downstream part of rectification part descended, and therefore can't reach even velocity and distribute.
And above-mentioned rectification part also can dispose a plurality of, and in this case, preferably the interval of the rectification part of adjacency is more than 3mm.
This be because, when the interval of rectification part than 3mm hour, it is big that the circulating resistance of the air-flow of Compressed Gas becomes, therefore, flow velocity by the Compressed Gas between this rectification part is slack-off, and the jet velocity of the air-flow that sprays from blasting materials injection portion towards machined object is slack-off, so working (machining) efficiency descends.
And above-mentioned rectification part also can have towards the injection direction of Compressed Gas and on the inclined plane of long side direction expansion.In this case, the tiltangle that tilts with respect to injection direction of preferred angled face satisfies 0 °＜θ≤3.7 °.
This be because, when θ surpassed 3.7 °, the speed of the air-flow of the end of wide long side direction became big thereby air-flow becomes, processing capacity increases, and therefore, can't carry out shot-peening processing equably to the broader region of the long side direction of blasting materials injection portion.
And the sectional area S1 of the peristome of preferred above-mentioned gas injection portion satisfies 0.1≤S1/S2≤0.4 with respect to the sectional area ratio S1/S2 of the sectional area S2 of second stream of above-mentioned blasting materials injection portion.
This is because under the situation of S1/S2 less than 0.1, jet velocity declines to a great extent, and therefore can't obtain sufficient working depth.And, surpass under 0.4 the situation at S1/S2, in the negative pressure decline that is used to attract blasting materials that mixing chamber produces, can't carry out stable injection.
The present invention also provides a kind of shot-peening processing unit (plant), and to machined object spray material, and scanning machined object or said nozzle carry out shot-peening processing to machined object thus from nozzle.That is, the shot-peening processing unit (plant) has nozzle and scanning element, and said nozzle is used for the spray material, and above-mentioned scanning element is used to scan machined object or said nozzle, and said nozzle is based on shot-peening processing injection nozzle of the present invention.
In this case, can use above-mentioned more than one feature or above-mentioned combination of features based on shot-peening processing of the present invention with injection nozzle.Therefore, according to shot-peening processing unit (plant) of the present invention, can play with shot-peening of the present invention and process with the same effect of nozzle.
Can further fully understand the above and other feature of inventing with reference to accompanying drawing and following detailed description.
Description of drawings
Fig. 1 is the cutaway view of the shot-peening processing of an embodiment of the invention with injection nozzle, and Fig. 1 (A) illustrates the cutaway view of short side direction, and Fig. 1 (B) illustrates the cutaway view of long side direction.
Fig. 2 is the key diagram that the influence that the configuration of the rectification part of nozzle causes the shot-peening machining state is shown.
The key diagram of Fig. 3 influence that to be size that rectification part is shown cause the shot-peening machining state.
The key diagram of Fig. 4 influence that to be shape that rectification part is shown cause the shot-peening machining state.
Fig. 5 (A) and Fig. 5 (B) be respectively working depth (Fig. 5 A) is shown and produce negative pressure (Fig. 5 B) and the sectional area S1 of the peristome of gas injection portion with respect to the key diagram of the relation between the sectional area ratio S1/S2 of the sectional area S2 of blasting materials injection portion.
Fig. 6 illustrates other the shot-peening processing of embodiment of the present invention with the cutaway view of the long side direction of injection nozzle.
The specific embodiment
Shot-peening processing to first embodiment of the present invention describes with injection nozzle 10 with reference to accompanying drawing.As shown in Figure 1, nozzle 10 possesses: gas injection portion 11, and this gas injection portion 11 is connected with the Compressed Gas feedway (not shown) of supplying with Compressed Gas; Supply port 12, this supply port 12 is connected with the blasting materials hopper (not shown) of the blasting materials of weight feed scheduled volume, and supplies with blasting materials; Mixing chamber 13, this mixing chamber 13 is communicated with gas injection portion 11 and supply port respectively, to mixing from gas injection portion 11 compressed and supplied gases and the blasting materials supplied with from supply port 12, to form the solid and gas two-phase flow; And blasting materials injection portion 14, this blasting materials injection portion 14 is used for spraying the solid and gas two-phase flow that imports from mixing chamber 13 towards machined object.Mixing chamber 13 is formed on the inside of injection portion retainer 15, and gas is sprayed portion 11 with this injection portion retainer 15 and blasting materials injection portion 14 is configured on the straight line.
Be formed with the first stream 11a in gas injection portion 11, Compressed Gas flows in this first stream 11a, this first stream 11a be oblong-shaped with the vertical cross section of the injection direction of the Compressed Gas shown in the arrow X.Herein, the short transverse among Fig. 1 (A) is the short side direction in rectangle cross section, and the short transverse among Fig. 1 (B) is the long side direction in rectangle cross section.
Front end in gas injection portion 11 is with towards peristome 11b and the mode that the length of minor face reduces gradually is formed with rake 11c.At supply port 12, to be provided with injection portion retainer 15 towards rake 11c with respect to the acutangulate mode of injection direction X from long side.According to these structures, blasting materials can be imported mixing chamber 13 swimmingly, Compressed Gas and blasting materials mix easily, can form the uniform solid and gas two-phase flow of density of blasting materials.
Peristome 11b in gas injection portion 11 is formed with the air-flow that the makes Compressed Gas rectification part 20 in the long side direction expansion.In rectification part 20, with vertical with long limit and be provided with rectification part 21 with respect to the center line symmetrical manner of growing the limit, dividing the first stream 11a, this rectification part 21 has the air-flow that is used to the to make Compressed Gas rectification face 21a in the long side direction expansion in the rectangle cross section of described gas injection portion.Expand at long side direction for the air-flow that makes Compressed Gas more effectively, preferably use a plurality of rectification parts 21.
In the present embodiment, the cross section parallel with long limit of rectification part 21 forms elongated triangular shape cross section in the mode of the shape that forms width and broaden towards the injection direction X of Compressed Gas.Rectification face 21a can make the air-flow of Compressed Gas expand at long side direction with respect to injection direction X oblique several years of square neck outwardly.And for the turbulent flow of the air-flow that reduces Compressed Gas, preferred rectification part 21 self is not can set with respect to the mode of injection direction X over-tilting.
Be formed with the second stream 14a in blasting materials injection portion 14, the cross section vertical with injection direction X of this second stream 14a forms rectangle, and the solid and gas two-phase flow that imports from mixing chamber 13 flows among this second stream 14a.Shown in Fig. 1 (C), it is consistent with the long side direction in the rectangle cross section of the first stream 11a that the long limit in the rectangle cross section of the second stream 14a forms its direction, and the same length on the long limit of the length on the long limit in the rectangle cross section of the second stream 14a and the first stream 11a.The minor face of the minor face ratio open 11b of portion is long.When spraying oral-lateral and observe the second stream 14a, form the structure that long limit equates and minor face the is short first stream 11a is configured in central authorities.
Can use the nozzle 10 of first embodiment to carry out shot-peening processing in following mode.When from the Compressed Gas feedway towards gas injection portion 11 when supplying with Compressed Gas, institute's compressed and supplied gas flows in the first stream 11a.At this moment, the air-flow of Compressed Gas has following VELOCITY DISTRIBUTION: the flow velocity of central portion is fast, and along with towards the outside of long side direction and flow velocity is slack-off.
When the air-flow of Compressed Gas arrives the rectification part 20 of the peristome 11b that is formed at gas injection portion 11, the air-flow of Compressed Gas is by the rectification face 21a guiding of rectification part 21, the air-flow of Compressed Gas is expanded at long side direction, is rectified into even velocity at long side direction and distributes.
When during 13 Compressed Gas after spraying rectifications, becoming negative pressure in the mixing chamber 13, thereby import blasting materials from supply port 12 from the front end of gas injection portion 11 towards mixing chamber.Blasting materials is taking advantage of the air-flow of the Compressed Gas after the rectification mixed, thereby is formed on the uniform solid and gas two-phase flow of density that long side direction has even velocity distribution and blasting materials.
The solid and gas two-phase flow that forms in mixing chamber 13 is imported into the second stream 14a of blasting materials injection portion 14.Herein, because the peristome 11b and the second stream 14a of gas injection portion 11 have the relation shown in Fig. 1 (C), therefore, flowing of the solid and gas two-phase flow that forms in mixing chamber 13 can not become disorderly at long side direction, can be injected into machined object with the state that keeps even velocity to distribute at long side direction.By nozzle 10 is relatively moved at short side direction with respect to machined object, can carry out shot-peening processing equably to the broader region of the long side direction of blasting materials injection portion 14.Thus, can widen once can shot-peening processing width, therefore can improve the working (machining) efficiency of shot-peening processing.
Because the solid and gas two-phase flow that forms in mixing chamber 13 directly is imported into the second stream 14a, therefore, the solid and gas two-phase flow tails off in the internal extended of second stream and with the inwall case of collision, can prevent the situation of the wearing and tearing of second stream, damage.In addition, because blasting materials can not collide with rectification part 21, therefore the situation of rectification part 21 wearing and tearing, damage can not appear yet.
Below, the shot-peening processing experiment that uses injection nozzle 10 of the present invention to carry out is described.In addition, embodiments of the present invention are not limited to each following test example.
(test example 1)
In this test example, the influence that the configuration of investigation rectification part 21 causes the shot-peening machining state.
The nozzle 10 that uses the width D on long limit to be respectively D=18mm and D=15mm carries out the shot-peening processing experiment of dull and stereotyped sample, after utilizing each nozzle 10 to carry out shot-peening processing, measures the line profile of the working depth of long side direction, and judges the quality of shot-peening processing.
For rectification part 21, use the shape of cross section to form width and be 1mm, length 2 rectification parts 21, and the mode that is positioned at the outside with hypotenuse respectively disposes as the right angle trigonometry shape of 10mm.
Use the nozzle 10 of the width D on long limit shown in Fig. 2, and to make the interval B of the rectification part 21 of adjacency be the line profile of the working depth under the situation of 2mm, 3mm as 18mm.
At the interval B that makes rectification part 21 is under the situation of 3mm, can carry out the uniform shot-peening processing that working depth is incorporated in the scope of 5～10 μ m.
On the other hand, be under the situation of 2mm at the interval B that makes rectification part 21, with rectification part 21 between corresponding regional processing capacity diminish, can't carry out uniform shot-peening processing.This situation is considered owing to following reason causes: when the interval of rectification part 21 B diminishes, it is big that the circulating resistance of the air-flow of Compressed Gas becomes, therefore, flow velocity by the Compressed Gas between this rectification part 21 is slack-off, the jet velocity of the air-flow that sprays from blasting materials injection portion towards machined object is slack-off, so working (machining) efficiency descends.
The width D of using long limit shown in the table 1 is as the nozzle 10 of 18mm and to make the interval B of rectification part 21 be the result of the shot-peening processing under the situation of 2～5mm, and the width D of using long limit is as the nozzle 10 of 15mm and make the result of the interval B of rectification part 21 as the processing of the shot-peening under the situation of 3mm.Width on the long limit of nozzle 10 is under any situation of 18mm and 15mm, under the situation more than the 3mm, can both carry out good shot-peening processing at the interval B of the rectification part 21 of adjacency, thereby the interval of rectification part 21 of having confirmed preferred adjacency is more than 3mm.
[table 1]
(test example 2)
The influence that the size of investigation rectification part 21 causes the shot-peening machining state.Use the nozzle 10 of the width on long limit, carrying out the shot-peening processing experiment, and judge the quality of shot-peening processing with the same condition of test example 1 as 18mm.As shown in Figure 3, as rectification part 21, use the shape of cross section to form width and be 2mm, length rectification part 21, and this rectification part 21 is configured in the central authorities on long limit as the isoceles triangle shape of 10mm.
In the rectification part 21 of this test example, the downstream of rectification part 21 is almost not processed.This situation is considered owing to following reason causes: when the width of rectification part 21 surpasses 1mm, the speed of the air-flow of the downstream part of rectification part 21 descends, therefore can't reach even velocity and distribute, and the concentration of the blasting materials of the downstream part of rectification part 21 thins out.Thus, confirmed that the width of preferred rectification part 21 is below 1mm.
(test example 3)
The influence that the shape of investigation rectification part 21 causes the shot-peening machining state.Use the nozzle 10 of the width on long limit, carrying out the shot-peening processing experiment, and judge the quality of shot-peening processing with the same condition of test example 1 as 18mm.As rectification part 21, use the shape of the cross section shown in Fig. 4 (A) to form rhombus, oval-shaped 1 rectification part 21, and this rectification part 21 is configured in the central authorities on long limit.The rectification part 21 of these shapes has the part of narrowed width at injection direction.
At cross sectional shape is under the situation of rhombus, and working depth can produce deviation, and shown in Fig. 4 (B), the border that adds between the Ministry of worker and the undressed portion is hummock turbulent flow, can't carry out good shot-peening processing.This situation is considered owing to following reason causes: by there being the part of narrowed width, produced eddy current in the downstream of rectification part 21.Can confirm thus: if cross sectional shape forms as triangle, semiellipse, semicircle etc. more towards the wide more shape of the injection direction width of Compressed Gas, then can not produce eddy current in the downstream of rectification part 21, the air-flow of Compressed Gas can be rectified into even velocity distributes, can carry out shot-peening processing equably to broader region, be preferred therefore.
(test example 4)
Investigation (A) working depth and the sectional area S1 of peristome 11b that (B) produces negative pressure and gas injection portion 11 are with respect to the relation between the sectional area ratio S1/S2 of the sectional area S2 of the second stream 14a of blasting materials injection portion 14.Shown in Fig. 5 (A), under the situation of S1/S2 less than 0.1, jet velocity declines to a great extent, and therefore can't obtain sufficient working depth.And, shown in Fig. 5 (B), surpassing under 0.4 the situation at S1/S2, the negative pressure decline that is used to attract blasting materials that produces in mixing chamber 13 can't realize stable injection.Can confirm that thus preferred above-mentioned sectional area ratio S1/S2 satisfies 0.1≤S1/S2≤0.4.
The number of rectification part 21, configuration space etc. can be suitably selected according to the working width as target.
According to nozzle 10 of the present invention, the peristome 11b in gas injection portion 11 can utilize rectification part 20 (rectification part 21) to make the long side direction expansion of the air-flow of Compressed Gas in the rectangle cross section.Thus, can make at long side direction to be rectified into Compressed Gas that even velocity distributes and mixing chamber 13, to mix and form the solid and gas two-phase flow from the blasting materials that supply port 12 is supplied with, and with this solid and gas two-phase flow importing blasting materials injection portion 14.Because this solid and gas two-phase flow is rectified into and has even velocity at long side direction and distribute, and the density of blasting materials becomes evenly, therefore can carry out shot-peening equably to the broader region of the long side direction of blasting materials injection portion 14 and process.Thus, the width that once can carry out shot-peening processing broadens, and therefore can improve the working (machining) efficiency of shot-peening processing.
And, owing to before forming the solid and gas two-phase flow, Compressed Gas mobile carried out rectification, the solid and gas two-phase flow that forms in mixing chamber 13 directly is imported into the second stream 14a that is configured in identical long side direction, therefore, the solid and gas two-phase flow tails off in the internal extended of the second stream 14a and with the inwall case of collision, can prevent the situation of second stream 14a wearing and tearing, damage.In addition, owing to blasting materials can not collide with rectification part 21, so rectification part 21 can not wear and tear, damage.Thus, can realize the high nozzle of durability 10.
Fig. 6 illustrates the cutaway view of the shot-peening processing of second embodiment of the present invention with the long side direction of injection nozzle 10.The nozzle 10 of this second embodiment is with the difference of the nozzle 10 of first embodiment shown in Fig. 1 (b), and rectification part 20 has towards the injection direction of Compressed Gas and on the inclined plane 22 of long side direction expansion.The air-flow of the Compressed Gas that flows in the first stream 11a of gas injection portion 11 is expanded towards the long side direction guided outside by inclined plane 22, therefore, same with above-mentioned first embodiment, can carry out shot-peening processing equably to the broader region of the long side direction of blasting materials injection portion 14.Herein, the tiltangle that tilts with respect to injection direction of preferred angled face 22 satisfies 0 °＜θ≤3.7 °.When θ surpasses 3.7 °, thereby the speed of the air-flow of the wide end that causes long side direction of air-flow becomes big, and processing capacity increases, and therefore can't carry out shot-peening processing equably to the broader region of long side direction.
More than embodiments of the present invention are illustrated, still, above-mentioned explanation is an example, the present invention is not limited.Those skilled in the art can be clear, can not break away from the spirit and scope of the invention shown in the additional claim and just can access many modifications or variation.
In the record of this specification or claims, for the use of noun and same deictic word, as long as not specially indication or negate then to be interpreted as comprising odd number and plural both sides clearly by the logicality of front and back literary composition.Also the present invention will be described easily nothing but intention in the use of any example that provides in this manual or exemplary term, as long as specially be not documented in claims, just scope of the present invention do not applied restriction.
Label declaration
10 ... nozzle; 11 ... gas injection section; 11a ... first stream; 11b ... peristome; 12 ... supply port; 13 ... mixing chamber; 14 ... blasting materials injection section; 14a ... second stream; 20 ... rectification part; 21 ... rectification part.
Claims (9)
1. injection nozzle is used in a shot-peening processing, it is characterized in that,
Described shot-peening processing possesses with injection nozzle:
Gas injection portion, this gas injection portion is used to spray Compressed Gas;
Supply port, this supply port is used to supply with blasting materials; Mixing chamber, this mixing chamber are communicated with described gas injection portion and described supply port respectively, to mixing from described gas injection portion's compressed and supplied gas and the blasting materials supplied with from described supply port, form the solid and gas two-phase flow; And
Blasting materials injection portion, this blasting materials injection portion is communicated with described mixing chamber, is arranged on the extending direction of described gas injection portion, be used for spraying the solid and gas two-phase flow that imports from described mixing chamber towards machined object,
Be provided with contract first stream of gas flow of voltage supply in described gas injection portion, this first stream has opening and rectification part, the cross section vertical with injection direction Compressed Gas this rectification part forms the rectangle cross section, be used to make of the long side direction expansion of the air-flow of the Compressed Gas that sprays from described opening in described rectangle cross section
Be provided with second stream that flows for the solid and gas two-phase flow in described blasting materials injection portion, the vertical cross section of injection direction with the solid and gas two-phase flow of this second stream forms rectangle, and the long side direction in the rectangle cross section of this second stream towards with the long side direction of first stream towards consistent.
2. injection nozzle according to claim 1 is characterized in that,
Described rectification part comprises the rectification part with rectification face, this rectification face forms: in the inside of first stream, with vertical with the long limit in the rectangle cross section of described gas injection portion and with respect to the center line symmetrical manner on long limit described rectification part is set, the air-flow that makes Compressed Gas is in the long side direction expansion in the rectangle cross section of described gas injection portion.
3. injection nozzle according to claim 2 is characterized in that,
The cross section parallel with described long limit of described rectification part forms the shape that width broadens towards the injection direction of Compressed Gas.
4. injection nozzle according to claim 3 is characterized in that,
The width of the described cross section of described rectification part is below 1mm.
5. according to each described injection nozzle in the claim 2 to 4, it is characterized in that,
The shape of described cross section described rectification part, that width broadens towards the injection direction of Compressed Gas is at least any in triangle, semiellipse and the semicircle.
6. according to each described injection nozzle in the claim 2 to 5, it is characterized in that,
Described arrangement component configuration has a plurality of, and the interval of the rectification part of adjacency is more than 3mm.
7. injection nozzle according to claim 1 is characterized in that,
Described rectification part has towards the injection direction of Compressed Gas and on the inclined plane of long side direction expansion, the satisfied 0 °＜θ of tiltangle that described inclined plane tilts with respect to injection direction≤3.7 °.
8. according to each described injection nozzle in the claim 1 to 7, it is characterized in that,
The sectional area S1 of the peristome of described gas injection portion satisfies 0.1≤S1/S2≤0.4 with respect to the sectional area ratio S1/S2 of the sectional area S2 of second stream of described blasting materials injection portion.
9. shot-peening processing unit (plant),
This shot-peening processing unit (plant) is to machined object spray material, and scanning machined object or described nozzle, thus machined object is carried out shot-peening processing,
Described shot-peening processing unit (plant) is characterised in that,
Described nozzle is each described injection nozzle in the claim 1 to 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-199170 | 2009-08-31 | ||
| JP2009199170A JP4737327B2 (en) | 2009-08-31 | 2009-08-31 | Blasting spray nozzle |
| PCT/JP2010/063089 WO2011024613A1 (en) | 2009-08-31 | 2010-08-03 | Injection nozzle for blast machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102123829A true CN102123829A (en) | 2011-07-13 |
| CN102123829B CN102123829B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080002376.6A Active CN102123829B (en) | 2009-08-31 | 2010-08-03 | Injection nozzle for blast machining |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4737327B2 (en) |
| KR (1) | KR101133793B1 (en) |
| CN (1) | CN102123829B (en) |
| TW (1) | TWI441716B (en) |
| WO (1) | WO2011024613A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975127A (en) * | 2012-11-21 | 2013-03-20 | 中国航空工业集团公司北京航空材料研究院 | Split type inner cavity shot-blasting spray gun |
| CN105636745A (en) * | 2013-10-21 | 2016-06-01 | 株式会社不二制作所 | Blast machining method and blast machining device |
| CN106139484A (en) * | 2016-08-12 | 2016-11-23 | 福建天广消防有限公司 | A kind of water outlet fairing and water cannon big gun head |
| CN108067387A (en) * | 2016-11-15 | 2018-05-25 | 杉野机械股份有限公司 | The nozzle of nozzle method of cleaning and micro-granulating device cleans structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6112017B2 (en) * | 2012-01-12 | 2017-04-12 | 新東工業株式会社 | Deburring method and apparatus for core member of electronic component |
| KR101451842B1 (en) * | 2014-07-25 | 2014-10-16 | 남근식 | Water jet nozzle |
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| JPH0663866A (en) * | 1992-08-17 | 1994-03-08 | Sony Corp | Method and device for powder beam etching and deposition |
| JPH07186050A (en) * | 1993-12-28 | 1995-07-25 | Makoo Kk | Nozzle body for washing workpiece |
| US5606167A (en) * | 1994-07-11 | 1997-02-25 | Miller; Thomas G. | Contraband detection apparatus and method |
| JP2001121424A (en) * | 1999-10-25 | 2001-05-08 | Fuji Seiki Mach Works Ltd | Wet type blast injection nozzle |
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| JPH03142168A (en) * | 1989-10-25 | 1991-06-17 | Sony Corp | Free abrasive grain injection type work device |
| CZ285789B6 (en) * | 1991-12-11 | 1999-11-17 | Christian Diat | Apparatus for micro-cleaning of surfaces |
| US5616067A (en) * | 1996-01-16 | 1997-04-01 | Ford Motor Company | CO2 nozzle and method for cleaning pressure-sensitive surfaces |
| JPH11333725A (en) * | 1998-05-27 | 1999-12-07 | Sony Corp | Powder and granular material ejection nozzle |
| JP2002120153A (en) * | 2000-10-13 | 2002-04-23 | Hitachi Ltd | Shot peening device |
| KR100419299B1 (en) * | 2001-02-28 | 2004-02-19 | (주)케이.씨.텍 | Nozzle for injecting sublimable solid particles entrained in gas for cleaning a surface |
-
2009
- 2009-08-31 JP JP2009199170A patent/JP4737327B2/en active Active
-
2010
- 2010-07-29 TW TW099125046A patent/TWI441716B/en active
- 2010-08-03 CN CN201080002376.6A patent/CN102123829B/en active Active
- 2010-08-03 WO PCT/JP2010/063089 patent/WO2011024613A1/en active Application Filing
- 2010-08-03 KR KR1020117022023A patent/KR101133793B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0663866A (en) * | 1992-08-17 | 1994-03-08 | Sony Corp | Method and device for powder beam etching and deposition |
| JPH07186050A (en) * | 1993-12-28 | 1995-07-25 | Makoo Kk | Nozzle body for washing workpiece |
| US5606167A (en) * | 1994-07-11 | 1997-02-25 | Miller; Thomas G. | Contraband detection apparatus and method |
| JP2001121424A (en) * | 1999-10-25 | 2001-05-08 | Fuji Seiki Mach Works Ltd | Wet type blast injection nozzle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975127A (en) * | 2012-11-21 | 2013-03-20 | 中国航空工业集团公司北京航空材料研究院 | Split type inner cavity shot-blasting spray gun |
| CN102975127B (en) * | 2012-11-21 | 2016-01-06 | 中国航空工业集团公司北京航空材料研究院 | A kind of Split type inner cavity shot-peening spray gun |
| CN105636745A (en) * | 2013-10-21 | 2016-06-01 | 株式会社不二制作所 | Blast machining method and blast machining device |
| CN106139484A (en) * | 2016-08-12 | 2016-11-23 | 福建天广消防有限公司 | A kind of water outlet fairing and water cannon big gun head |
| CN108067387A (en) * | 2016-11-15 | 2018-05-25 | 杉野机械股份有限公司 | The nozzle of nozzle method of cleaning and micro-granulating device cleans structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011051021A (en) | 2011-03-17 |
| KR20110119814A (en) | 2011-11-02 |
| JP4737327B2 (en) | 2011-07-27 |
| TWI441716B (en) | 2014-06-21 |
| WO2011024613A1 (en) | 2011-03-03 |
| CN102123829B (en) | 2014-04-02 |
| KR101133793B1 (en) | 2012-04-05 |
| TW201117921A (en) | 2011-06-01 |
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