CN104827408A - Working device with centripetally rotary nozzle and used for sand blasting and shot blasting - Google Patents
Working device with centripetally rotary nozzle and used for sand blasting and shot blasting Download PDFInfo
- Publication number
- CN104827408A CN104827408A CN201510240898.4A CN201510240898A CN104827408A CN 104827408 A CN104827408 A CN 104827408A CN 201510240898 A CN201510240898 A CN 201510240898A CN 104827408 A CN104827408 A CN 104827408A
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- China
- Prior art keywords
- sandpipe
- nozzle
- axle sleeve
- sand
- driven pulley
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
Abstract
The invention relates to a working device with a centripetally rotary nozzle and used for sand blasting and shot blasting. The working device comprises a blasting tank body, and a sand pipe penetrating the tank body; the input end of the sand pipe is communicated with a blasting material source, the output end of the sand pipe is connected with a sand pipe rotary adapter sleeve, a sand pipe rotary adapter is connected with a sand pipe adapter, the sand pipe adapter is connected with a sand bending pipe, the tail end of the sand bending pipe is connected with the nozzle, the outside of the sand pipe rotary adapter is provided with a driven wheel, and the driven wheel is connected with a driving wheel arranged on the output end of a motor reduction gearbox through a driving belt. The working device disclosed by the invention has the beneficial effects that the application range of a sand blasting machine is enlarged so that the sand blasting machine can be used for performing the sand blasting processing on workpieces in various shapes; and meanwhile, the operation is easy and liable to implement, and the working efficiency is improved.
Description
Technical field
The invention belongs to sandblasting, bead blasted surfaces process field, particularly relate to the pivotal equipment of nozzle radial inflow of a kind of sandblasting, shot-peening.
Background technology
At present, the sandblasting on market, shot-blast unit, be divided into by rifle head motion mode: rifle head rotating sand-blasting machine, fixing rifle hair style sand-blasting machine, rifle head reciprocating swing type sand-blasting machine.
Rifle head rotating sand-blasting machine, as: inner-walls of duct sand-blasting machine, adopt nozzle to rotate and carry out work, its defect is: can only do blasting treatment to inner-walls of duct, and the workpiece of other types can not be given as plate, casing or structural member sandblasting, and the scope of application is restricted;
Fixing rifle hair style sand-blasting machine, scanned by machine frame movement, spray angle will often adjust, bad adaptability, the workpiece cleaning of effects on surface complexity, has the situation that adjustment is not in place unavoidably, unavoidably have work blind area, dead band, working effect is bad, and adjustment is wasted time and energy.
Rifle head reciprocating swing type sand-blasting machine, as: mechanical arm type sand-blasting machine (having manually or numerical control two kinds), the attitude of its nozzle and angle adjustment number of times fewer than fixing rifle hair style sand-blasting machine, sandblasting operation can be carried out to various baroque workpiece.But its defect is: the angle of the nozzle that still will repeatedly adjust during use and position, operate very loaded down with trivial details, grasp operating technology and need a large amount of time trainings, also higher to the competency profiling of operating personnel, and, even if after skilled operation, programming or manual adjustment are still wasted time and energy, and affect the efficiency of equipment use.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding the pivotal equipment of nozzle radial inflow of a kind of sandblasting, shot-peening, make it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of range of application improving sand-blasting machine, blasting treatment can be carried out to the workpiece of various shape; Operation is simple simultaneously, the sandblasting of efficiency of increasing work efficiency, the pivotal equipment of nozzle radial inflow of shot-peening.
The pivotal equipment of nozzle radial inflow of sandblasting of the present invention, shot-peening, comprise spray box body, sandpipe through this casing, the input of described sandpipe is connected with material spray source, the output of described sandpipe overlaps with sandpipe swivel joint and is connected, described sandpipe swivel joint is connected with sandpipe joint, described sandpipe joint is connected with curved sandpipe, described curved sandpipe end is connected with nozzle, described sandpipe swivel joint arranged outside has driven pulley, and described driven pulley is connected with the driving wheel being arranged on motor reducer output by driving-belt.
Further, described sandpipe swivel joint is made up of the first axle sleeve, the second axle sleeve, clutch shaft bearing seat, bearing, one end of described first axle sleeve is connected with sandpipe, the other end of the first axle sleeve stretches in the second described axle sleeve, described second axle sleeve is connected with sandpipe joint, and described driven pulley is arranged on the outside of the second axle sleeve in sandpipe swivel joint; Be provided with seal between described driven pulley and described clutch shaft bearing seat, and driven with the second axle sleeve coaxial rotation, described sandpipe pass successively the first described axle sleeve and the second axle sleeve, described bearing is arranged between clutch shaft bearing seat and the second axle sleeve.
Further, the tube wall of described curved sandpipe is sandwich construction, and skin is metal material, and skin has skeletal support effect, and nexine is abrasive rubber sandpipe, is sand gas channel.
Further, described curved sandpipe and number of nozzle are respectively two pieces, and described curved sandpipe one end is connected with the second axle sleeve in sandpipe swivel joint by sandpipe three-way connection, and the other end connects nozzle.
Further, described sandpipe and sandpipe joint are whole rubber sandpipe, and through casing, the input of described sandpipe is connected with material spray source, and output is connected with nozzle.
Further, the arranged outside of whole described rubber sandpipe has driven pulley, and driven pulley is arranged on casing by the second bearing block, and driven pulley is provided with swing arm, and swing arm end is provided with the 3rd bearing block, and nozzle is arranged in the 3rd axle sleeve in the 3rd bearing block.
Further, the center line of described nozzle becomes angle α with the axis of rotation β of driven pulley, and the scope of angle α is 0 ° ~ 90 °.
Further, the angle α of the axis of rotation of described nozzle centerline and driving wheel is 45 °.
Compared with prior art, the present invention at least has the following advantages: during sandblasting operation, high velocity air sand flow can make all irregular (protruding and pit) in region to be processed all to have repeatedly descaling machine meeting, its surface just reaches the effect of all standing by rotation sweep, do not need to go adjustment nozzle orientation and attitude again, can carry out sandblasting operation to the workpiece of various shape, be general sandblast machine.Operating process is simple, and step is few, saves the time of manually adjustment and programming, improves service efficiency.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pivotal equipment of nozzle radial inflow of sandblasting of the present invention, shot-peening;
Fig. 2 is the top view of lengthwise rows mule carriage and horizontal moving trolley in Fig. 1;
Fig. 3 is the structural representation of the embodiment of the present invention 1 medium sand tubular rotary joint;
Fig. 4 is the structural representation of the embodiment of the present invention 2 medium sand tubular rotary joint;
Fig. 5 is the structural representation of curved sandpipe in the present invention;
Fig. 6 is the structural representation of the embodiment of the present invention 3 medium sand tubular rotary joint.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
See Fig. 1, Fig. 2, Fig. 3, Fig. 5, a kind of sandblasting described in a preferred embodiment of the present invention, the pivotal equipment of nozzle radial inflow of shot-peening, comprise spray box body 5, through the sandpipe 7 of this casing 5, the input of described sandpipe 7 is connected with material spray source (not shown), the output of described sandpipe 7 is connected with sandpipe swivel joint, described sandpipe swivel joint is connected with sandpipe joint 15, described sandpipe joint 15 is connected with curved sandpipe 13, curved sandpipe 13 end is connected with nozzle 14, the arranged outside of the second axle sleeve in described sandpipe swivel joint has driven pulley 8, described driven pulley 8 is connected with the driving wheel 10 being arranged on motor reducer 9 output by driving-belt.During work, motor reducer 9 by the driving wheel 10 that is in transmission connection and driven pulley 8, second axle sleeve, drive sandpipe joint 15, curved sandpipe 13, nozzle 14 to rotate, 360 ° of revolutions can carry out sandblasting/shot-peening work, or rotate forward, reversion reciprocally swinging revolution, simultaneously, the horizontal and vertical movement of horizontal moving trolley 4 and lengthwise rows mule carriage 3, can realize the comprehensive sandblasting without dead angle/shot-peening work.
Described casing 5 is fixed on horizontal moving trolley 4, horizontal moving trolley 4 is arranged in lengthwise rows mule carriage 3, lengthwise rows mule carriage 3 is arranged on slide rail 2, it is inner that slide rail 2 is fixed on room body 1, the two ends, left and right of described lengthwise rows mule carriage 3 are respectively arranged with the first roller, lengthwise rows mule carriage 3 is vertically moved on described track 2 by this first roller, described moving trolley 3 is symmetrically arranged with two sideslip rails; The rear and front end of described horizontal walking dolly 4 is respectively arranged with the second roller, and horizontal walking dolly 4 is by this second roller transverse shifting on described two sideslip rails.
Described sandpipe swivel joint is made up of the first axle sleeve 6, second axle sleeve 11, clutch shaft bearing seat 12, bearing 16, one end of described first axle sleeve 6 is connected with sandpipe 7, the other end of the first axle sleeve 6 stretches in the second described axle sleeve 11, described second axle sleeve 11 is connected with sandpipe joint 15, and described driven pulley 8 is arranged on the outside of the second axle sleeve 11 in sandpipe swivel joint; Seal 17 is provided with between described driven pulley 8 and described clutch shaft bearing seat 12, and driven pulley 8 and the second axle sleeve 11 coaxial rotation, described sandpipe 7 pass successively described the first axle sleeve 6 and the second axle sleeve 11, described bearing 16 is arranged between clutch shaft bearing seat 12 and the second axle sleeve 11.
During work, motor reducer 10 drives the second axle sleeve 11 coaxial rotation by the driving wheel 11 that is in transmission connection and driven pulley 9, second axle sleeve 11 is with logical sandpipe joint 15 to rotate, curved sandpipe 13 and nozzle 14 is driven to rotate to make sandpipe joint 15, get final product 360 ° and carry out sandblasting/shot-peening work, meanwhile, the horizontal and vertical movement of horizontal moving trolley 4 and lengthwise rows mule carriage 3, can realize the comprehensive sandblasting without dead angle/shot-peening work.
The center line of described nozzle 14 becomes angle α with the axis of rotation β of driven pulley 8, the scope of angle α is 0 ° ~ 90 °, when the angle α of the axis of rotation of nozzle 14 center line and driving wheel 8 is at 45 °, the front of workpiece 19 is close with side sandblasting effect, make surface of the work cleaning effect even, production efficiency is best.
With reference to Fig. 5, the tube wall of described curved sandpipe 13 is sandwich construction, outer 21 is metal material, shaped steel or aluminium-alloy pipe, and skin has skeletal support effect, nexine 22 is abrasive rubber sandpipe, for sand gas channel, the advantage of this curved sandpipe 13 structure is: metal level good rigidity, abrasive rubber sandpipe are wear-resisting, long service life, and production technology is simple simultaneously, reduce cost, have significant economic benefit.
The course of work of the present invention is as follows:
During work, motor reducer 9 drives driving wheel 10 and driven pulley 8 to rotate, thus drive the second axle sleeve 11 in sandpipe swivel joint and sandpipe joint 15, curved sandpipe 13, nozzle 14 turns round, nozzle 14 wraparound shaft axis β does radial inflow revolution, on the axis β that the extended line of the center line of nozzle 14 meets at gyroaxis a bit, during sandblasting operation, the high velocity air sand that nozzle 14 sprays forms a circular clearing zone in joining, in this region, nozzle 14 rotates a circle, realize sandblasting/shot-peening all directions high speed sand air-flow, thus make all irregular of the workpiece to be processed 19 in this region (protruding and pit) all have repeatedly descaling machine meeting, compared with fixing rifle hair style sand-blasting machine or rifle head reciprocating swing type sand-blasting machine, greatly reduce the possibility of strafing blind sector, its surface just reaches the effect of all standing by rotation sweep, simultaneously, without the need to going adjustment nozzle orientation and attitude again, under the drive of lengthwise rows mule carriage 3 and horizontal moving trolley 4, can scan whole working region, thus realize working region all standing sandblasting operation, in the course of work, decrease job step and operation easier, improve operating efficiency.
Embodiment 2
See Fig. 1, Fig. 2, Fig. 4, Fig. 5, a kind of sandblasting described in a preferred embodiment of the present invention, the pivotal equipment of nozzle radial inflow of shot-peening and the distinctive points of embodiment 1 are: described curved sandpipe 13, nozzle 14 number is respectively two pieces, described curved sandpipe 13 one end is connected with the second axle sleeve 11 in sandpipe swivel joint by sandpipe three-way connection 18, the other end connects nozzle 14, the center line of described nozzle 14 becomes angle α with the axis of rotation β of driven pulley 8, α scope is 0 °-90 °, when the angle α of the axis of rotation of nozzle 14 center line and driving wheel 8 is at 45 °, the front of workpiece is close with side sandblasting effect, make surface of the work cleaning effect even, production efficiency is best.
Embodiment 2 adopts the curved sandpipe 13 of 2 cover, nozzle 14 and sandpipe three-way connection formula structure, and its advantage is: compared with embodiment 1, and swiveling head stress balance vibrates little, runs more steady, can improve the service life of equipment.
The course of work of the present invention is as follows:
During work, motor reducer 9 drives driving wheel 10 and driven pulley 8 to rotate, thus drive the second bearing 11 in sandpipe swivel joint and sandpipe three-way connection 18, curved sandpipe 13, nozzle 14 turns round, nozzle 14 wraparound shaft axis β does radial inflow revolution, on the axis β that the extended line of the center line of nozzle 14 meets at gyroaxis a bit, during sandblasting operation, the high velocity air sand of nozzle ejection forms a circular clearing zone in joining, in this region, nozzle 14 half revolution, the high speed sand air-flow of multiple directions can be obtained, thus make all irregular of the workpiece to be processed 19 in this region (protruding and pit) all have repeatedly descaling machine meeting, compared with fixing rifle hair style sand-blasting machine or rifle head reciprocating swing type sand-blasting machine, greatly reduce the possibility of strafing blind sector, its surface just reaches the effect of all standing by rotation sweep, simultaneously, without the need to going adjustment nozzle orientation and attitude again, under the drive of lengthwise rows mule carriage 3 and horizontal moving trolley 4, can scan whole working region, thus realize working region all standing sandblasting operation, in the course of work, decrease job step and operation easier, improve operating efficiency.Compared with embodiment 1, swiveling head is stressed more to be balanced, and vibrates less, runs more steady, can improve the service life of equipment.
Embodiment 3
See Fig. 1, Fig. 2, Fig. 6, a kind of sandblasting described in a preferred embodiment of the present invention, the pivotal equipment of nozzle radial inflow of shot-peening and the distinctive points of embodiment 1 are: described sandpipe 7 and sandpipe joint 15 are whole rubber sandpipe, through casing 5, the input of sandpipe 7 is connected with material spray source, output is connected with nozzle 14, the arranged outside of described sandpipe 7 has driven pulley 8, driven pulley 8 is arranged on casing 5 by the second bearing block 27, casing 5 is provided with motor reducer 9, motor reducer 9 output shaft is provided with driving wheel 10, driven pulley 8 is provided with swing arm 24, swing arm 24 end is provided with the 3rd bearing block 26, nozzle 14 is arranged in the 3rd axle sleeve 25 in the 3rd bearing block 26.The center line of described nozzle 14 becomes angle α with the axis of rotation β of driven pulley 8, and the scope of angle α is 0 ° ~ 90 °.
The course of work of the present invention is as follows:
During work, motor reducer 9 drives driving wheel 10, driven pulley 8, swing arm 24 rotates, described nozzle 14 is under the drive of the 3rd bearing block 26 of swing arm 24 end, radial inflow revolution is done with angle α wraparound shaft axis β, on the axis β that the extended line of the center line of nozzle 14 meets at gyroaxis a bit, during sandblasting operation, the high velocity air sand of nozzle ejection forms a circular clearing zone in joining, in this region, nozzle 14 rotates a circle, realize sandblasting/shot-peening all directions high speed sand air-flow, thus make all irregular of the workpiece to be processed 19 in this region (protruding and pit) all have repeatedly descaling machine meeting, compared with fixing rifle hair style sand-blasting machine or rifle head reciprocating swing type sand-blasting machine, greatly reduce the possibility of strafing blind sector, its surface just reaches the effect of all standing by rotation sweep, simultaneously, without the need to going adjustment nozzle orientation and attitude again, under the drive of lengthwise rows mule carriage 3 and horizontal moving trolley 4, can scan whole working region, thus realize working region all standing sandblasting operation, in the course of work, decrease job step and operation easier, improve operating efficiency.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (8)
1. the pivotal equipment of nozzle radial inflow of a sandblasting, shot-peening, it is characterized in that: comprise spray box body, sandpipe through this casing, the input of described sandpipe is connected with material spray source, the output of described sandpipe overlaps with sandpipe swivel joint and is connected, described sandpipe swivel joint is connected with sandpipe joint, described sandpipe joint is connected with curved sandpipe, described curved sandpipe end is connected with nozzle, described sandpipe swivel joint arranged outside has driven pulley, and described driven pulley is connected with the driving wheel being arranged on motor reducer output by driving-belt.
2. the pivotal equipment of nozzle radial inflow of sandblasting according to claim 1, shot-peening, it is characterized in that: described sandpipe swivel joint is made up of the first axle sleeve, the second axle sleeve, clutch shaft bearing seat, bearing, one end of described first axle sleeve is connected with sandpipe, the other end of the first axle sleeve stretches in the second described axle sleeve, described second axle sleeve is connected with sandpipe joint, and described driven pulley is arranged on the outside of the second axle sleeve in sandpipe swivel joint; Seal is provided with between described driven pulley and described clutch shaft bearing seat, and driven pulley and the second axle sleeve coaxial rotation, described sandpipe is successively through the first described axle sleeve and the second axle sleeve, and described bearing is arranged between clutch shaft bearing seat and the second axle sleeve.
3. the pivotal equipment of nozzle radial inflow of sandblasting according to claim 2, shot-peening, it is characterized in that: the tube wall of described curved sandpipe is sandwich construction, skin is metal material, and skin has skeletal support effect, nexine is abrasive rubber sandpipe, is sand gas channel.
4. the pivotal equipment of nozzle radial inflow of sandblasting according to claim 1, shot-peening, it is characterized in that: described curved sandpipe and number of nozzle are respectively two pieces, described curved sandpipe one end is connected with the second axle sleeve in sandpipe swivel joint by sandpipe three-way connection, and the other end connects nozzle.
5. the pivotal equipment of nozzle radial inflow of sandblasting according to claim 1, shot-peening, it is characterized in that: described sandpipe and sandpipe joint are whole rubber sandpipe, and through casing, the input of described sandpipe is connected with material spray source, and output is connected with nozzle.
6. the pivotal equipment of nozzle radial inflow of sandblasting according to claim 5, shot-peening, it is characterized in that: the arranged outside of whole described rubber sandpipe has driven pulley, driven pulley is arranged on casing by the second bearing block, driven pulley is provided with swing arm, swing arm end is provided with the 3rd bearing block, and nozzle is arranged in the 3rd axle sleeve in the 3rd bearing block.
7. the sandblasting according to claim 3 or 4 or 6, the pivotal equipment of nozzle radial inflow of shot-peening, is characterized in that: the center line of described nozzle becomes angle α with the axis of rotation β of driven pulley, and the scope of angle α is 0 ° ~ 90 °.
8. the pivotal equipment of nozzle radial inflow of sandblasting according to claim 7, shot-peening, is characterized in that: the angle α of the axis of rotation of described nozzle centerline and driving wheel is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240898.4A CN104827408A (en) | 2015-05-13 | 2015-05-13 | Working device with centripetally rotary nozzle and used for sand blasting and shot blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240898.4A CN104827408A (en) | 2015-05-13 | 2015-05-13 | Working device with centripetally rotary nozzle and used for sand blasting and shot blasting |
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| Publication Number | Publication Date |
|---|---|
| CN104827408A true CN104827408A (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510240898.4A Pending CN104827408A (en) | 2015-05-13 | 2015-05-13 | Working device with centripetally rotary nozzle and used for sand blasting and shot blasting |
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| CN (1) | CN104827408A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481212A (en) * | 2018-04-04 | 2018-09-04 | 武汉通领沃德汽车饰件有限公司 | Sand-blasting machine |
| CN108789171A (en) * | 2018-08-15 | 2018-11-13 | 天津理工大学 | Portable sandblaster device people's control system |
| US20210101257A1 (en) * | 2019-10-03 | 2021-04-08 | Gul Khan | Pneumatically operated Shot Peening and Shot Blasting Machine |
| US20220134666A1 (en) * | 2020-11-05 | 2022-05-05 | Arcam Ab | Blast nozzles for additive manufacturing and methods for using the same |
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| CN201613508U (en) * | 2009-12-19 | 2010-10-27 | 成都飞机工业（集团）有限责任公司 | Shot-peening strengthening device for surface of small inner hole |
| CN102152242A (en) * | 2010-12-28 | 2011-08-17 | 北京理工大学 | Composite motion attitude magnetic jet polishing device |
| CN102166734A (en) * | 2011-02-23 | 2011-08-31 | 合肥通用机械研究院 | Rotary abrasive jet device |
| CN103072086A (en) * | 2012-12-20 | 2013-05-01 | 杭州天诚机电设备有限公司 | Method and device for swirling abrasive water jet cleaning |
| US20140165807A1 (en) * | 2011-08-11 | 2014-06-19 | Durr Ecoclean Gmbh | Apparatus for generating a pulsating pressurized fluid jet |
| CN204604118U (en) * | 2015-05-13 | 2015-09-02 | 邵勇 | The pivotal equipment of nozzle radial inflow of sandblasting, shot-peening |
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2015
- 2015-05-13 CN CN201510240898.4A patent/CN104827408A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201613508U (en) * | 2009-12-19 | 2010-10-27 | 成都飞机工业（集团）有限责任公司 | Shot-peening strengthening device for surface of small inner hole |
| CN102152242A (en) * | 2010-12-28 | 2011-08-17 | 北京理工大学 | Composite motion attitude magnetic jet polishing device |
| CN102166734A (en) * | 2011-02-23 | 2011-08-31 | 合肥通用机械研究院 | Rotary abrasive jet device |
| US20140165807A1 (en) * | 2011-08-11 | 2014-06-19 | Durr Ecoclean Gmbh | Apparatus for generating a pulsating pressurized fluid jet |
| CN103072086A (en) * | 2012-12-20 | 2013-05-01 | 杭州天诚机电设备有限公司 | Method and device for swirling abrasive water jet cleaning |
| CN204604118U (en) * | 2015-05-13 | 2015-09-02 | 邵勇 | The pivotal equipment of nozzle radial inflow of sandblasting, shot-peening |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481212A (en) * | 2018-04-04 | 2018-09-04 | 武汉通领沃德汽车饰件有限公司 | Sand-blasting machine |
| CN108789171A (en) * | 2018-08-15 | 2018-11-13 | 天津理工大学 | Portable sandblaster device people's control system |
| US20210101257A1 (en) * | 2019-10-03 | 2021-04-08 | Gul Khan | Pneumatically operated Shot Peening and Shot Blasting Machine |
| US20220134666A1 (en) * | 2020-11-05 | 2022-05-05 | Arcam Ab | Blast nozzles for additive manufacturing and methods for using the same |
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Application publication date: 20150812 |