CN113118979A - Device for sand blasting of surface of quartz boat - Google Patents
Device for sand blasting of surface of quartz boat Download PDFInfo
- Publication number
- CN113118979A CN113118979A CN202110398418.2A CN202110398418A CN113118979A CN 113118979 A CN113118979 A CN 113118979A CN 202110398418 A CN202110398418 A CN 202110398418A CN 113118979 A CN113118979 A CN 113118979A
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- China
- Prior art keywords
- gear
- motor
- pipeline
- main body
- body frame
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
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- 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
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- 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
- B24C9/003—Removing abrasive powder out of the blasting machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention discloses a device for sand blasting of the surface of a quartz boat, which comprises a main body frame, a first motor, a purifier, a second door and a magnet, wherein the main body frame is provided with the first door, the first door is provided with a visual window, the back of the main body frame is provided with a first chute, a first sliding block is arranged in the first chute, the first motor is provided with a transmission belt, the other end of the transmission belt is connected with a second gear, the purifier is internally provided with a filter bag, and the top surface of the purifier is provided with a centrifugal fan. This a device for sand blasting of quartz boat surface is provided with third motor, second electric push rod, threaded rod second spout and second slider, and accessible third motor drives third gear and fourth gear messenger threaded rod rotatory to be threaded connection between second slider and the threaded rod, thereby realize the removal grip function to the sucking disc, can realize raising and lowering functions through second electric push rod, just so can realize the automatic clamping function of device.
Description
Technical Field
The invention relates to the technical field of sand blasting machines, in particular to a device for sand blasting of the surface of a quartz boat.
Background
The quartz boat, also known as quartz glass, has silicon dioxide as the main component, and quartz glass products are widely applied to the manufacturing industry of integrated circuit chips in the microelectronic industry due to the excellent physical and chemical properties of the quartz glass products. The quartz glass is a silicon dioxide-containing substance such as crystal and silica. Silicon tetroxide is used as raw material and is melted at high temperature.
Opaque form can appear at the quartz boat through corroding the back surface, great influence has arrived its normal use, but the sand blasting machine that handles quartz boat surface that is present on the market is general relatively crude at present, can not satisfy present needs yet, and the sandblast among the prior art is often through manual to do not have good fixed to the work piece, can appear colliding the quartz boat when carrying out sand blasting processing like this, cause the damaged problem of quartz boat. We have therefore proposed an apparatus for sand blasting the surfaces of quartz boats in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a device for sand blasting of the surface of a quartz boat, which aims to solve the problems that the prior sand blasting machine for processing the surface of the quartz boat on the market is generally relatively simple and cannot meet the current requirements, the sand blasting in the prior art is usually performed manually, and a workpiece is not well fixed, so that the quartz boat is collided during the sand blasting process, and the quartz boat is damaged.
In order to achieve the purpose, the invention provides the following technical scheme: a device for sand blasting the surface of a quartz boat comprises a main body frame, a first motor, a purifier, a second door and a magnet, wherein the main body frame is provided with the first door, the first door is provided with a visual window, a sand leaking plate is arranged in the main body frame, a funnel is connected below the sand leaking plate, a first pipeline is arranged below the funnel, the first pipeline is connected with a second pipeline, the other end of the second pipeline is provided with a junction station, the junction station is connected with a third pipeline, the other end of the third pipeline is provided with an air pump, the junction station is provided with a fourth pipeline, the other end of the fourth pipeline is connected with a spray head, the spray head is provided with a first electric push rod, the other end of the first electric push rod is provided with a first slide block, the main body frame is provided with a first slide groove at the back, the first slide block is arranged in the first slide groove, a first gear is arranged at the back of the first slide block, the automatic air purifier is characterized in that a transmission belt is installed on the first motor, the other end of the transmission belt is connected with a second gear, a chain is installed on the second gear, a second sliding groove is formed in the top surface of the inner portion of the main body frame, a second sliding block is installed in the second sliding groove, a second electric push rod is connected below the second sliding block, a second motor is installed below the second electric push rod, a sucking disc is arranged on the second motor, a threaded rod penetrates through the second sliding block, a third gear is installed on the threaded rod, the tooth surface of the third gear is meshed with a fourth gear, a third motor is installed on the fourth gear, a suction groove is formed in the top surface of the inner portion of the main body frame, a baffle is arranged below the suction groove, an air channel is formed above the suction groove, a fifth pipeline is connected on the air channel, a filter bag is formed in the purifier, and a centrifugal fan is installed on, the purifier is characterized in that a separation plate is arranged inside the purifier, a collection bin is arranged below the separation plate, a second bin door is arranged on the bottom surface of the purifier, and a magnet is arranged on the second bin door.
Preferably, the top surface of the sand leakage plate and the inner bottom surface of the main body frame are in parallel, and the sand leakage plate is connected with the inner wall of the main body frame in a fitting manner.
Preferably, the spray head forms a telescopic mechanism on the first sliding block through a first electric push rod, and the spray head is movably connected with the first electric push rod.
Preferably, the first sliding block is fixedly connected with the first gear, and the first gear forms a moving mechanism on the chain through the first motor, the transmission belt and the second gear.
Preferably, the second sliding groove is connected with the second sliding block in a sliding manner, and the second sliding block is symmetrically arranged on the second sliding groove in two groups.
Preferably, the second slider is in threaded connection with the threaded rod, and the threaded rod forms the rotating mechanism through a third gear, a fourth gear and a third motor.
Preferably, the sucking disc forms a rotating structure below the second electric push rod through a second motor, and the second motor forms a lifting mechanism below the second sliding block through the second electric push rod.
Preferably, the connection mode between the filter bag and the isolation plate is fixed connection, the middle of the isolation plate is provided with a hollow through hole, and the isolation plate and the purifier are in an integrated structure.
Preferably, the second bin door is fixed with the purifier through a magnet, and the second bin door is connected with the purifier in a sealing manner.
Compared with the prior art, the invention has the beneficial effects that: this a device for sand blasting of quartz boat surface:
(1) the centrifugal fan, the filter bag and the collection bin are arranged, the centrifugal fan can be used for sucking, then dust in the main body frame is sucked into the filter bag through the suction groove, the filter bag is inverted in the purifier, and the dust falls into the collection bin after a certain amount of dust is accumulated, so that floating dust can be cleaned in the mode, and the device is more environment-friendly and convenient to observe;
(2) the automatic clamping device is provided with a third motor, a second electric push rod, a threaded rod second chute and a second slide block, the third motor can drive a third gear and a fourth gear to enable the threaded rod to rotate, the second slide block is in threaded connection with the threaded rod, so that the moving clamping function of the sucker is realized, the lifting function can be realized through the second electric push rod, the automatic clamping function of the device can be realized, and the time and labor of the device are saved;
(3) be provided with second motor and sucking disc, the accessible sucking disc is fixed the quartz boat to the rotatory quartz boat of accessible second motor makes the coverage area of sandblast more, and the sandblast effect is better, makes more stable and practical of device.
Drawings
FIG. 1 is a schematic structural diagram of a main body of an apparatus for sand blasting the surface of a quartz boat according to the present invention;
FIG. 2 is a schematic sectional view of a quartz boat surface sand blasting apparatus according to the present invention;
FIG. 3 is a schematic side cross-sectional view of an apparatus for sand blasting the surface of a quartz boat according to the present invention;
FIG. 4 is a schematic side view of the apparatus for sand blasting the surface of the quartz boat according to the present invention;
FIG. 5 is a schematic top view of an apparatus for sand blasting the surface of a quartz boat according to the present invention;
FIG. 6 is a schematic top cross-sectional view illustrating an apparatus for sand blasting the surface of a quartz boat according to the present invention;
FIG. 7 is a rear view of the apparatus for sand blasting the surface of the quartz boat according to the present invention;
FIG. 8 is a schematic view of the structure at A in FIG. 2 illustrating an apparatus for sand blasting the surface of a quartz boat according to the present invention;
FIG. 9 is a schematic view of the structure at B in FIG. 3 illustrating an apparatus for sand blasting the surface of the quartz boat according to the present invention;
FIG. 10 is a schematic view of the structure at C in FIG. 4 illustrating an apparatus for sand blasting the surface of the quartz boat according to the present invention;
FIG. 11 is a schematic structural view of the apparatus for sand blasting the surface of the quartz boat of the present invention at D in FIG. 7.
In the figure: 1. a main body frame; 2. a first bin gate; 3. a visual window; 4. a sand leakage plate; 5. a funnel; 6. a first conduit; 7. a second conduit; 8. a junction station; 9. a third pipeline; 10. an air pump; 11. a fourth conduit; 12. a spray head; 13. a first electric push rod; 14. a first slider; 15. a first chute; 16. a first gear; 17. a first motor; 18. a drive belt; 19. a second gear; 20. a chain; 21. a second chute; 22. a second slider; 23. a second electric push rod; 24. a second motor; 25. a suction cup; 26. a threaded rod; 27. a third gear; 28. a fourth gear; 29. a third motor; 30. a suction groove; 31. a baffle plate; 32. an air duct; 33. a fifth pipeline; 34. a purifier; 35. a filter bag; 36. a centrifugal fan; 37. a separator plate; 38. a collection bin; 39. a second bin gate; 40. and a magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a device for sand blasting of the surface of a quartz boat comprises a main body frame 1, a first bin gate 2, a visible window 3, a sand leakage plate 4, a funnel 5, a first pipeline 6, a second pipeline 7, a flow combiner 8, a third pipeline 9, an air pump 10, a fourth pipeline 11, a spray head 12, a first electric push rod 13, a first slide block 14, a first chute 15, a first gear 16, a first motor 17, a transmission belt 18, a second gear 19, a chain 20, a second chute 21, a second slide block 22, a second electric push rod 23, a second motor 24, a suction cup 25, a threaded rod 26, a third gear 27, a fourth gear 28, a third motor 29, a suction groove 30, a baffle plate 31, an air duct 32, a fifth pipeline 33, a purifier 34, a filter bag 35, a centrifugal fan 36, an isolation plate 37, a collection bin 38, a second bin gate 39 and a magnet 40, wherein the first bin gate 2 is arranged on the main body frame 1, and the visible window 3 is arranged on the first bin gate 2, a sand leakage plate 4 is arranged in the main body frame 1, a funnel 5 is connected below the sand leakage plate 4, a first pipeline 6 is arranged below the funnel 5, a second pipeline 7 is connected on the first pipeline 6, a flow combiner 8 is arranged at the other end of the second pipeline 7, a third pipeline 9 is connected on the flow combiner 8, an air pump 10 is arranged at the other end of the third pipeline 9, a fourth pipeline 11 is arranged on the flow combiner 8, a spray head 12 is connected at the other end of the fourth pipeline 11, a first electric push rod 13 is arranged on the spray head 12, a first slide block 14 is arranged at the other end of the first electric push rod 13, a first slide groove 15 is arranged at the rear side of the main body frame 1, a first slide block 14 is arranged in the first slide groove 15, a first gear 16 is arranged behind the first slide block 14, a transmission belt 18 is arranged on the first motor 17, a second gear 19 is connected at the other end of the transmission belt 18, a chain 20 is arranged, the top surface of the inside of the main body frame 1 is provided with a second chute 21, a second slide block 22 is arranged inside the second chute 21, a second electric push rod 23 is connected below the second slide block 22, a second motor 24 is arranged below the second electric push rod 23, a suction cup 25 is arranged on the second motor 24, a threaded rod 26 penetrates through the second slide block 22, a third gear 27 is arranged on the threaded rod 26, the tooth surface of the third gear 27 is meshed with a fourth gear 28, a third motor 29 is arranged on the fourth gear 28, the top surface of the inside of the main body frame 1 is provided with a suction groove 30, a baffle plate 31 is arranged below the suction groove 30, an air duct 32 is arranged above the suction groove 30, the air duct 32 is connected with a fifth pipeline 33, a filter bag 35 is arranged inside the purifier 34, a centrifugal fan 36 is arranged on the top surface of the purifier 34, a separation plate 37 is arranged inside the purifier 34, and a collection bin 38 is arranged below the separation plate 37, a second door 39 is installed on the bottom surface of the purifier 34, and a magnet 40 is installed on the second door 39.
The top surface of the sand leakage plate 4 and the inner bottom surface of the main body frame 1 are in parallel relation, and the connection mode between the inner walls of the sand leakage plate 4 and the main body frame 1 is a laminating connection, so that the device is more stable.
The spray head 12 forms a telescopic mechanism on the first sliding block 14 through the first electric push rod 13, and the spray head 12 is movably connected with the first electric push rod 13, so that the adjusting function can be realized, and the device can adapt to different working conditions.
The first sliding block 14 is fixedly connected with the first gear 16, and the first gear 16 forms a moving mechanism on the chain 20 through the first motor 17, the transmission belt 18 and the second gear 19, so that the movement of the spray head 12 can be driven, and the device is more stable.
The second sliding groove 21 and the second sliding block 22 are connected in a sliding manner, and the second sliding block 22 is symmetrically arranged in two groups on the second sliding groove 21, so that the device can realize the function of clamping and fixing.
The second slider 22 is connected with the threaded rod 26 in a threaded manner, and the threaded rod 26 forms a rotating mechanism through a third gear 27, a fourth gear 28 and a third motor 29.
The suction cup 25 forms a rotating structure below the second electric push rod 23 through the second motor 24, and the second motor 24 forms a lifting mechanism below the second slide block 22 through the second electric push rod 23, so that the workpiece can be lifted and rotated, and the phenomenon that sand blasting cannot be performed on dead corners is avoided.
The connected mode of crossing between filter bag 35 and the division board 37 is fixed connection, and is the setting of cavity through-hole in the middle of the division board 37 to be the integral type structure between division board 37 and the clarifier 34, can purify the collection to inside dust, make the more environmental protection of device and be convenient for observe.
The second bin door 39 is fixed with the purifier 34 through the magnet 40, and the second bin door 39 is connected with the purifier 34 in a sealing manner, so that collected dust can be conveniently cleaned and taken out, and the device is more reasonable.
The working principle of the embodiment is as follows: when the device for sand blasting the surface of the quartz boat is used, firstly, the first bin gate 2 is opened, then a workpiece to be processed is placed on the sand leakage plate 4, then the third motor 29 is started to drive the fourth gear 28 to be meshed with the third gear 27 so as to enable the threaded rod 26 to rotate, the connection mode between the second slide block 22 mounted on the threaded rod 26 and the threaded rod 26 is a threaded connection mode, so that the second slide block 22 can move inwards to be clamped through the rotating threaded rod 26, then the suction cup 25 below the second electric push rod 23 clamps and fixes two ends of the workpiece, and the second electric push rod 23 is started to lift upwards so as to enable the workpiece to be separated from the sand leakage plate 4 and be empty.
After that, the air pump 10 is started to convey high-pressure air to the junction station 8 through the third pipeline 9, and the high-pressure air is transmitted to the spray head 12 through the fourth pipeline 11 to be sprayed out, negative pressure occurs in the pipeline, sand in the hopper 5 is sucked to the junction station 8 and is mixed and sprayed out from the spray head 12 and the high-pressure air through the fourth pipeline 11, meanwhile, the second motor 24 drives the suction disc 25 to rotate to enable the workpiece to turn over, the workpiece sand blasting effect is better, then, the first motor 17 drives the transmission belt 18 to enable the second gear 19 to rotate the chain 20, and the first gear 16 is meshed on the chain 20, so that the first sliding block 14 can be moved on the first sliding groove 15, the spray head 12 achieves the telescopic adjusting function through the first electric push rod 13, and therefore, the device can be applied more flexibly and can adapt to different working conditions. Finally, dust generated during operation can be sucked into the air inlet duct 32 through the centrifugal fan 36 through the suction slot 30 on the top surface inside the main body frame 1, then enters the filter bag 35 inside the purifier 34 through the fifth pipeline 33 to be collected and filtered, and the filter bag 35 is inverted inside the purifier 34, so that the dust can fall into the collection bin 38 through gravity to be collected when the centrifugal fan 36 stops operating, and finally the collection bin 38 can be cleaned by opening the second bin door 39, which is the whole work flow. And those not described in detail in this specification are well within the skill of those in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a device for sand blasting of quartz boat surface, includes main body frame (1), first motor (17), clarifier (34), second door (39) and magnet (40), its characterized in that: the main body frame (1) is provided with a first bin door (2), the first bin door (2) is provided with a visual window (3), the main body frame (1) is internally provided with a sand leakage plate (4), a funnel (5) is connected below the sand leakage plate (4), a first pipeline (6) is arranged below the funnel (5), the first pipeline (6) is connected with a second pipeline (7), the other end of the second pipeline (7) is provided with a junction station (8), the junction station (8) is connected with a third pipeline (9), the other end of the third pipeline (9) is provided with an air pump (10), the junction station (8) is provided with a fourth pipeline (11), the other end of the fourth pipeline (11) is connected with a spray head (12), the spray head (12) is provided with a first electric push rod (13), and the other end of the first electric push rod (13) is provided with a first slide block (14), the rear surface of the main body frame (1) is provided with a first sliding groove (15), a first sliding block (14) is arranged in the first sliding groove (15), a first gear (16) is arranged behind the first sliding block (14), a transmission belt (18) is arranged on a first motor (17), the other end of the transmission belt (18) is connected with a second gear (19), a chain (20) is arranged on the second gear (19), the top surface of the inner part of the main body frame (1) is provided with a second sliding groove (21), a second sliding block (22) is arranged in the second sliding groove (21), a second electric push rod (23) is connected below the second sliding block (22), a second motor (24) is arranged below the second electric push rod (23), a sucking disc (25) is arranged on the second motor (24), a threaded rod (26) penetrates through the second sliding block (22), and a third gear (27) is arranged on the threaded rod (26), third gear (27) flank of tooth meshing has fourth gear (28), and installs third motor (29) on fourth gear (28), suction groove (30) have been seted up to main body frame (1) inside top surface, and are provided with baffle (31) below suction groove (30), wind channel (32) have been seted up to suction groove (30) top, and are connected with fifth pipeline (33) on wind channel (32), clarifier (34) inside has been seted up and has been crossed filter bag (35), and clarifier (34) top surface installs centrifugal fan (36), clarifier (34) inside is provided with division board (37), and division board (37) below has been seted up and has been collected storehouse (38), second door (39) are installed to clarifier (34) bottom surface, and are provided with magnet (40) on second door (39).
2. The apparatus of claim 1, wherein the apparatus comprises: the top surface of the sand leakage plate (4) and the inner bottom surface of the main body frame (1) are in parallel relation, and the sand leakage plate (4) and the inner wall of the main body frame (1) are connected in a fitting mode.
3. The apparatus of claim 1, wherein the apparatus comprises: the spray head (12) forms a telescopic mechanism on the first sliding block (14) through the first electric push rod (13), and the spray head (12) is movably connected with the first electric push rod (13).
4. The apparatus of claim 1, wherein the apparatus comprises: the first sliding block (14) is fixedly connected with the first gear (16), and the first gear (16) forms a moving mechanism on a chain (20) through a first motor (17), a transmission belt (18) and a second gear (19).
5. The apparatus of claim 1, wherein the apparatus comprises: the second sliding groove (21) and the second sliding block (22) are connected in a sliding mode, and the second sliding block (22) is symmetrically arranged on the second sliding groove (21) in two groups.
6. The apparatus of claim 1, wherein the apparatus comprises: the second sliding block (22) is connected with the threaded rod (26) in a threaded mode, and the threaded rod (26) forms a rotating mechanism through a third gear (27), a fourth gear (28) and a third motor (29).
7. The apparatus of claim 1, wherein the apparatus comprises: the sucker (25) forms a rotating structure below the second electric push rod (23) through the second motor (24), and the second motor (24) forms a lifting mechanism below the second sliding block (22) through the second electric push rod (23).
8. The apparatus of claim 1, wherein the apparatus comprises: the connection mode between filter bag (35) and division board (37) is fixed connection, and is the setting of cavity through-hole in the middle of division board (37) to be the integral type structure between division board (37) and clarifier (34).
9. The apparatus of claim 1, wherein the apparatus comprises: the second bin door (39) is fixed with the purifier (34) through a magnet (40), and the second bin door (39) is connected with the purifier (34) in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398418.2A CN113118979A (en) | 2021-04-12 | 2021-04-12 | Device for sand blasting of surface of quartz boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398418.2A CN113118979A (en) | 2021-04-12 | 2021-04-12 | Device for sand blasting of surface of quartz boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113118979A true CN113118979A (en) | 2021-07-16 |
Family
ID=76776224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110398418.2A Withdrawn CN113118979A (en) | 2021-04-12 | 2021-04-12 | Device for sand blasting of surface of quartz boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113118979A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609483A (en) * | 2022-09-30 | 2023-01-17 | 浙江浩锐石英科技有限公司 | Quartz boat sand blasting equipment |
-
2021
- 2021-04-12 CN CN202110398418.2A patent/CN113118979A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609483A (en) * | 2022-09-30 | 2023-01-17 | 浙江浩锐石英科技有限公司 | Quartz boat sand blasting equipment |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210716 |
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| WW01 | Invention patent application withdrawn after publication |