CN116572160A - Sand blasting device - Google Patents
Sand blasting device Download PDFInfo
- Publication number
- CN116572160A CN116572160A CN202310581768.1A CN202310581768A CN116572160A CN 116572160 A CN116572160 A CN 116572160A CN 202310581768 A CN202310581768 A CN 202310581768A CN 116572160 A CN116572160 A CN 116572160A
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- CN
- China
- Prior art keywords
- sand blasting
- fixed
- plate
- mechanical arm
- rod
- 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
Links
- 238000005488 sandblasting Methods 0.000 title claims abstract description 102
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000005422 blasting Methods 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013316 zoning Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/04—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other stationary
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention relates to a sand blasting device, in particular to a device capable of automatically performing sand blasting on a large workpiece. The sand blasting device comprises a first sand blasting system and a second sand blasting system, wherein the first sand blasting system comprises a gantry truss crown block and a first sand blasting mechanical arm, the first sand blasting mechanical arm is fixed on the gantry truss crown block and can move on the gantry truss crown block, and a nozzle is arranged on the first sand blasting mechanical arm; the second sand blasting system comprises a ground rail, a movable frame, a telescopic arm and a second sand blasting mechanical arm; the movable frame is connected with the ground rail, the movable frame can move on the ground rail, the telescopic arm is fixed on the movable frame, the second sand blasting mechanical arm is fixed on the telescopic arm, and the second sand blasting mechanical arm is provided with a nozzle. The invention realizes the sand blasting operation of the large-scale workpiece without dead angles in all directions, realizes the efficient sand blasting by a zoning operation mode, reduces the production cost and has scheme universality for a plurality of different sand blasting scenes.
Description
Technical Field
The invention relates to a sand blasting device, in particular to a device capable of automatically performing sand blasting on a large workpiece.
Background
The current sand blasting means can be divided into two types, namely manual sand blasting and automatic sand blasting. The manual sand blasting is low in efficiency and unstable in sand blasting quality, and in addition, the working environment in a sand blasting workshop is severe, the labor intensity is high, and great harm is generated to a human body. Manual sand blasting also faces the problems of high occupational diseases, difficult labor, less labor force, high labor cost and the like. The existing automatic sand blasting technology is mainly suitable for small structural parts, low in sand blasting efficiency and poor in scene adaptability, and has high requirements on working environments, and no sand blasting device for large, ultra-large and complex workpieces exists at present.
Disclosure of Invention
The invention aims to provide a device capable of carrying out omnibearing sand blasting on a large-sized workpiece, so that the sand blasting device is more intelligent and automatic.
In order to achieve the above purpose, the technical solution adopted by the invention is as follows:
the sand blasting device comprises a first sand blasting system and a second sand blasting system, wherein the first sand blasting system comprises a gantry truss crown block and a first sand blasting mechanical arm, the first sand blasting mechanical arm is fixed on the gantry truss crown block and can move on the gantry truss crown block, and a nozzle is arranged on the first sand blasting mechanical arm; the second sand blasting system comprises a ground rail, a movable frame, a telescopic arm and a second sand blasting mechanical arm; the movable frame is connected with the ground rail, the movable frame can move on the ground rail, the telescopic arm is fixed on the movable frame, the second sand blasting mechanical arm is fixed on the telescopic arm, and the second sand blasting mechanical arm is provided with a nozzle.
Further, the gantry truss crown block comprises a base, a supporting plate and a cross beam, wherein the supporting plate is connected to the base, and the cross beam is connected between the two supporting plates; the base is provided with a first track which is matched with the supporting plate and can enable the supporting plate to move in a first direction; the support plate is provided with a second track, and two ends of the cross beam are provided with sliding bodies which are matched with the second track, so that the cross beam can move in a second direction; the beam is provided with a third track, and the first sand blasting mechanical arm is connected with the third track and can move in a third direction.
Further, the first sand blasting mechanical arm is a six-degree-of-freedom serial mechanical arm and comprises a base, a fixed rod, a secondary telescopic rod, a first hinge piece, a second hinge piece and a first fixed piece; the fixed rod is connected to the base and can rotate in the horizontal direction of the base; the secondary telescopic rod is connected to the fixed rod and can move in the vertical direction; the first hinge piece is hinged on the secondary telescopic rod and can rotate on the secondary telescopic rod; the second hinge member is connected to the first hinge member, and the second hinge member is rotatable relative to the first hinge member; the first fixing piece is connected to the second hinge piece, and the first fixing piece can rotate on the second hinge piece; the first fixing piece is connected with a nozzle, the nozzle can rotate on the first fixing piece, and the nozzle is communicated with the sand supply system through a pipeline.
Further, the ground rail comprises a rail supporting wheel, a first rail and a second rail; the second guide rail is fixed at the top of the first guide rail, and the guide rail supporting wheel is fixed at the bottom of the first guide rail; the two first guide rails are connected through a connecting rod; the first guide rail is provided with a first chute and a second chute, the first chute is positioned on the inner side, the second chute is positioned on the outer side, and the first chute is provided with a rack.
Further, the movable frame comprises a motor, a cover plate and a bottom plate; the motor is fixed on the bottom plate, the movable end of the motor is connected with a transmission shaft, two ends of the transmission shaft are connected with hubs, and the hubs are matched with the second guide rail; the bottom plate is fixed on the transmission shaft through the connecting column, a fixed column is arranged on the transmission shaft, and the fixed column is connected with the cover plate; gears and pulleys are arranged on two sides of the hub and are fixed on a transmission shaft through connecting pieces; the gear is meshed with the rack, and the pulley is matched with the second chute.
Further, the telescopic arm is fixed on the cover plate through a connecting plate and comprises a hydraulic push rod, a reinforcing plate, a variable amplitude plate and a primary telescopic rod; the amplitude board is fixed on the primary telescopic rod; one end of the hydraulic push rod is hinged on the connecting plate, and the other end of the hydraulic push rod is hinged on the amplitude board; one side of the reinforcing plate is hinged with the connecting plate, and the other side of the reinforcing plate is fixed on the primary telescopic rod; the one-level telescopic rod is internally provided with a second-level telescopic rod, a third-level telescopic rod and a fourth-level telescopic rod, and the fourth-level telescopic rod is connected with idler wheels through a supporting rod.
Further, the second sand blasting mechanical arm comprises a third hinge part, a fourth hinge part and a second fixing part, wherein the third hinge part is connected to the fourth-stage telescopic rod through a telescopic boss, and the fourth hinge part is hinged to the third hinge part.
Further, a reinforcing plate is arranged on the connecting piece, and two gears or two pulleys are connected to two sides of the reinforcing plate.
Further, the top of the second guide rail is arc-shaped.
By adopting the technical scheme, the invention has the beneficial technical effects that:
according to the invention, the first sand blasting system and the second sand blasting system are used for carrying out cooperative operation on a large workpiece, the first sand blasting system can be used for blasting sand on the upper side of the workpiece, and the first sand blasting system can be used for assisting the nozzle to carry out omnibearing sand blasting operation without dead angles on the upper side of the workpiece through the first sand blasting mechanical arm. And the second sand blasting system carries out the sand blasting operation without dead angles in all directions on the lower part of the workpiece through two auxiliary nozzles of the second sand blasting mechanical arm. The invention realizes the sand blasting operation of the large-scale workpiece without dead angles in all directions, reduces the labor investment, realizes the efficient sand blasting by the mode of regional operation, reduces the production cost, has small requirements on workshop environment, and has certain scheme universality for a plurality of different sand blasting scenes.
Drawings
Fig. 1 is a schematic view of a blasting apparatus.
Fig. 2 is a schematic view of a first sandblasting robot arm.
Fig. 3 is a schematic view of a ground rail.
Fig. 4 is a schematic diagram of the connection of the ground rail and the movable frame.
Fig. 5 is a schematic diagram of the connection of the telescopic arm and the second sandblasting mechanical arm.
Detailed Description
Referring to fig. 1 to 5, a sand blasting device comprises a first sand blasting system 1 and a second sand blasting system 2, wherein the first sand blasting system 1 comprises a gantry truss crown block 3 and a first sand blasting mechanical arm 4, the first sand blasting mechanical arm 4 is fixed on the gantry truss crown block 3, the first sand blasting mechanical arm 4 can move on the gantry truss crown block 3, and a nozzle 5 is arranged on the first sand blasting mechanical arm 4; the second sand blasting system 2 comprises a ground rail 6, a movable frame 7, a telescopic arm 8 and a second sand blasting mechanical arm 9; the movable frame 7 is connected with the ground rail 6 and can move on the ground rail 6, the telescopic arms 8 are fixed on the movable frame 7, the second sand blasting mechanical arms 9 are fixed at two ends of the telescopic arms 8, and the nozzles 5 are arranged on the second sand blasting mechanical arms 9. The first sand blasting system 1 can enable the nozzle 5 to automatically perform sand blasting operation on the upper side and the side surface of a large workpiece through the control system, so that the large workpiece can be subjected to all-dimensional dead-angle-free operation. The first sand blasting mechanical arm 4 moves in three mutually perpendicular directions through the gantry truss crown block 3, and the nozzle 5 performs all-round sand blasting operation on a large workpiece through the interaction of rotation and movement of the first sand blasting mechanical arm 4. The second sand blasting system 2 realizes the movement of the nozzle 5 in the front-back direction through the ground rail 6, the telescopic arm 8 can assist the movement of the nozzle 5 in the left-right direction, the second sand blasting mechanical arm 9 assists the nozzle 5 to realize the movement and rotation in the up-down direction, the second sand blasting system 2 cooperates with the auxiliary nozzle 5 to perform automatic sand blasting operation on the bottom and the side surface of a large-sized workpiece in an all-around dead-angle-free manner.
The gantry truss crown block 3 comprises a base 31, a supporting plate 32 and a cross beam 33, wherein the supporting plate 32 is connected to the base 31, and the cross beam 33 is connected between the two supporting plates 32; the base 31 is provided with a first rail 311, and the first rail 311 is matched with the support plate 32 and can enable the support plate 32 to move in a first direction; the support plate 32 is provided with a second track 321, and two ends of the cross beam 33 are provided with sliding bodies which are matched with the second track 321, so that the cross beam 33 can move in a second direction; the beam 33 is provided with a third rail 331, and the first sandblasting mechanical arm 4 is connected with the third rail 331, so that the first sandblasting mechanical arm 4 can move in a third direction. The first direction is the front-back direction of the first track 311, the second direction is the up-down direction of the second track 321, and the third direction is the left-right direction of the third track 331.
The first sandblasting mechanical arm 4 is a six-degree-of-freedom serial mechanical arm, and comprises a base 41, a fixed rod 42, a secondary telescopic rod 43, a first hinge 44, a second hinge 45 and a first fixed piece 46; the fixed rod 42 is connected to the base 41, and the fixed rod 42 can rotate in the horizontal direction of the base 41; the secondary telescopic rod 43 is connected to the fixed rod 42, and the secondary telescopic rod 43 can move in the vertical direction; the first hinge 44 is hinged on the secondary telescopic rod 43, the first hinge 44 being rotatable on the secondary telescopic rod 43; the second hinge 45 is connected to the first hinge 44, the second hinge 45 being rotatable relative to the first hinge 44; the first fixing member 46 is connected to the second hinge member 45, and the first fixing member 46 is rotatable on the second hinge member 45; the first fixing piece 46 is connected with a nozzle 5, the nozzle 5 can rotate on the first fixing piece 46, and the nozzle 5 is communicated with the sand supply system through a pipeline. The first sand blasting mechanical arm 4 assists the nozzle 5 to realize the automatic sand blasting operation of the large-scale workpiece without dead angle in all directions.
The ground rail 6 includes rail support wheels 61, a first rail 62 and a second rail 63; the second guide rail 63 is fixed on the top of the first guide rail 62, and the guide rail supporting wheel 61 is fixed on the bottom of the first guide rail 62; the two first guide rails 62 are connected through a connecting rod 64; the first guide rail 62 is provided with a first chute 65 and a second chute 66, the first chute 65 is located on the inner side, the second chute 66 is located on the outer side, and a rack 67 is arranged on the first chute 65. The top of the second guide rail 63 is arc-shaped, and the steel grit will not pile up after falling on the surface, but will fall on the surface of the first guide rail 62, so that the falling steel grit will not affect the walking function of the ground rail 6. The support wheels raise the ground rail 6 so that the falling steel grit can accumulate on the ground without affecting the normal operation of the ground rail 6. The ground rail 6 is spliced by a plurality of sections, so that the ground rail can be conveniently transported and quickly installed, each section of ground rail 6 is connected through the connecting rod, and the connecting rod is fixed through the groove, so that the connection precision and connection stability can be improved.
The moving frame 7 comprises a motor 71, a cover plate 72 and a bottom plate 73; the motor 71 is fixed on the bottom plate 73, the movable end of the motor 71 is connected with a transmission shaft 74, two ends of the transmission shaft 74 are connected with hubs 75, and the hubs 75 are matched with the second guide rail 63; the bottom plate 73 is fixed on the transmission shaft 74 through a connecting column 76, a fixed column 77 is arranged on the transmission shaft 74, and the cover plate 72 is connected to the fixed column 77; gears 78 and pulleys 79 are arranged on two sides of the hub 75, and the gears 78 and the pulleys 79 are fixed on the transmission shaft 74 through connecting pieces 80; the gear 78 engages with the rack 67 and the pulley 79 is adapted to the second chute 66. The connecting member 80 is provided with a reinforcing plate 70, and two gears 78 or two pulleys 79 are connected to two sides of the reinforcing plate 70. The gear 78, the pulley 79 and the hub 75 hug the ground rail 6 from three directions, so that stability of the movable frame 7 during movement is guaranteed, and rollover is effectively prevented. The meshing of the gear 78 and the rack 67 not only effectively prevents slipping, but also improves the movement precision of the movable frame 7, thereby realizing high-precision navigation positioning.
The telescopic arm 8 is fixed on the cover plate 72 through a connecting plate 81, and the telescopic arm 8 comprises a hydraulic push rod 82, a reinforcing plate 83, a luffing plate 84 and a primary telescopic rod 85; the amplitude changing plate 84 is fixed on the primary telescopic rod 85; one end of the hydraulic push rod 82 is hinged on the connecting plate 81, and the other end is hinged on the amplitude board 84; one side of the reinforcing plate 83 is hinged with the connecting plate 81, and the other side of the reinforcing plate is fixed on the primary telescopic rod 85; a second-stage telescopic rod 86, a third-stage telescopic rod 87 and a fourth-stage telescopic rod 88 are arranged in the first-stage telescopic rod 85, and the fourth-stage telescopic rod 88 is connected with a roller 90 through a supporting rod 89. The telescopic arm 8 is formed by integral machining, and is high in strength and bending resistance. The telescopic boom 8 is connected with a control system, the control system can control the hydraulic push rod 82 to push out the telescopic rod of each stage, and the roller 90 can enable movement to be smoother.
The second sand blasting mechanical arm 9 comprises a third hinge piece 91, a fourth hinge piece 92 and a second fixing piece 93, the third hinge piece 91 is connected to the fourth-stage telescopic rod 88 through a telescopic boss 94, the fourth hinge piece 92 is hinged to the third hinge piece 91, and the telescopic boss 94 achieves movement of the nozzle 5 in the up-down direction. The second sand blasting mechanical arm 9 enables the nozzle 5 to perform the sand blasting operation without dead angles on the bottom and the side surface of the large-sized workpiece in an omnibearing manner under the cooperation of rotation and movement.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. The sand blasting device is characterized by comprising a first sand blasting system and a second sand blasting system, wherein the first sand blasting system comprises a gantry truss crown block and a first sand blasting mechanical arm, the first sand blasting mechanical arm is fixed on the gantry truss crown block and can move on the gantry truss crown block, and a nozzle is arranged on the first sand blasting mechanical arm; the second sand blasting system ground rail, the movable frame, the telescopic arm and the second sand blasting mechanical arm; the movable frame is connected to the ground rail, and the ground rail can enable the movable frame to move in a first direction; the telescopic arm is fixed on the movable frame, and the second sand blasting mechanical arm is fixed on the telescopic arm and can move in a second direction; and the second sand blasting mechanical arm is hinged with a nozzle, and the sand blasting mechanical arm can enable the nozzle to move in a third direction.
2. A blasting apparatus according to claim 1, wherein the gantry truss crown block comprises a base, a support plate and a beam, the support plate being attached to the base, the beam being attached between the two support plates; the base is provided with a first track which is matched with the supporting plate and can enable the supporting plate to move in a first direction; the support plate is provided with a second track, and two ends of the cross beam are provided with sliding bodies which are matched with the second track, so that the cross beam can move in a second direction; the beam is provided with a third track, and the first sand blasting mechanical arm is connected with the third track and can move in a third direction.
3. The blasting apparatus of claim 1, wherein the first blasting robot is a six-degree-of-freedom serial robot comprising a base, a fixed rod, a secondary telescoping rod, a first hinge, a second hinge, and a first fixture; the fixed rod is connected to the base and can rotate in the horizontal direction of the base; the secondary telescopic rod is connected to the fixed rod and can move in the vertical direction; the first hinge piece is hinged on the secondary telescopic rod and can rotate on the secondary telescopic rod; the second hinge member is connected to the first hinge member, and the second hinge member is rotatable relative to the first hinge member; the first fixing piece is connected to the second hinge piece, and the first fixing piece can rotate on the second hinge piece; the first fixing piece is connected with a nozzle, the nozzle can rotate on the first fixing piece, and the nozzle is communicated with the sand supply system through a pipeline.
4. A blasting apparatus according to claim 1, wherein the ground rail comprises rail support wheels, a first rail and a second rail; the second guide rail is fixed at the top of the first guide rail, and the guide rail supporting wheel is fixed at the bottom of the first guide rail; the two first guide rails are connected through a connecting rod; the first guide rail is provided with a first chute and a second chute, the first chute is positioned on the inner side, the second chute is positioned on the outer side, and the first chute is provided with a rack.
5. A blasting apparatus according to claim 4, wherein the mobile carriage comprises a motor, a cover plate and a base plate; the motor is fixed on the bottom plate, the movable end of the motor is connected with a transmission shaft, two ends of the transmission shaft are connected with hubs, and the hubs are matched with the second guide rail; the bottom plate is fixed on the transmission shaft through the connecting column, the transmission shaft is provided with a fixed column, and the fixed column is connected with the cover plate; one side of the hub is provided with a gear, the other side of the hub is provided with a pulley, and the gear and the pulley are fixed on a transmission shaft through a connecting piece; the gear is meshed with the rack, and the pulley is matched with the second chute.
6. The blasting apparatus of claim 5, wherein the telescoping arm is secured to the cover plate by a connecting plate, the telescoping arm comprising a hydraulic pushrod, a stiffening plate, a variable-amplitude plate, and a primary telescoping rod; the amplitude board is fixed on the primary telescopic rod; one end of the hydraulic push rod is hinged on the connecting plate, and the other end of the hydraulic push rod is hinged on the amplitude board; one side of the reinforcing plate is hinged with the connecting plate, and the other side of the reinforcing plate is fixed on the primary telescopic rod; the one-level telescopic rod is internally provided with a second-level telescopic rod, a third-level telescopic rod and a fourth-level telescopic rod, and the fourth-level telescopic rod is connected with idler wheels through a supporting rod.
7. The blasting apparatus of claim 6, wherein the second blasting robot comprises a third hinge member, a fourth hinge member, and a second fixing member, the third hinge member being coupled to the fourth telescopic link via a telescopic boss, the fourth hinge member being hinged to the third hinge member, the second fixing member being fixed to the fourth hinge member, and the nozzle being coupled to the second fixing member.
8. A blasting apparatus according to claim 5, wherein the connecting member is provided with a reinforcing plate, and wherein two gears or pulleys are connected to both sides of the reinforcing plate.
9. A blasting apparatus according to claim 4, wherein the top of the second rail is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310581768.1A CN116572160A (en) | 2023-05-22 | 2023-05-22 | Sand blasting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310581768.1A CN116572160A (en) | 2023-05-22 | 2023-05-22 | Sand blasting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116572160A true CN116572160A (en) | 2023-08-11 |
Family
ID=87542846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310581768.1A Pending CN116572160A (en) | 2023-05-22 | 2023-05-22 | Sand blasting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116572160A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161980A (en) * | 2023-10-07 | 2023-12-05 | 科菲亚重型装备有限公司 | Surface sand blasting device for large castings |
-
2023
- 2023-05-22 CN CN202310581768.1A patent/CN116572160A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161980A (en) * | 2023-10-07 | 2023-12-05 | 科菲亚重型装备有限公司 | Surface sand blasting device for large castings |
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