CN215143094U - Quartz crucible surface self-cleaning sand removing device - Google Patents
Quartz crucible surface self-cleaning sand removing device Download PDFInfo
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- CN215143094U CN215143094U CN202121016443.1U CN202121016443U CN215143094U CN 215143094 U CN215143094 U CN 215143094U CN 202121016443 U CN202121016443 U CN 202121016443U CN 215143094 U CN215143094 U CN 215143094U
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Abstract
The utility model discloses a quartz crucible surface self-cleaning sand removing device. The technical key points are as follows: including the workstation, run through on the workstation and be equipped with the transmission shaft, and rotate between the two and connect, one side that the transmission shaft is close to ground is equipped with drive assembly, the transmission shaft is kept away from ground one end and is inserted and be equipped with the mounting panel, and fixed connection between the two, ground one side fixedly connected with layer board is kept away from to the mounting panel, the layer board is kept away from ground one side and is equipped with the centre gripping subassembly, the centre gripping subassembly includes a plurality of cams, a plurality of cams all run through and the first connecting axle of fixedly connected with, first connecting axle runs through and rotates to be connected in the layer board, the inside cavity that has seted up of layer board, first connecting axle is close to mounting panel one side and is equipped with synchronous drive assembly, synchronous drive assembly arranges the cavity inside. The utility model has the advantages that: the integral cleaning and desanding device utilizes the characteristic that the vertical side wall of the cam is different from the rotating position, and the crucibles with different sizes can be clamped by rotating the cam, so that the integral cleaning and desanding device has high practicability.
Description
Technical Field
The utility model relates to a quartz crucible preparation technical field specifically is a quartz crucible surface self-cleaning sand removal device.
Background
The monocrystalline silicon rod is a raw material for producing monocrystalline silicon pieces, and along with the rapid increase of the demand of domestic and international markets for monocrystalline silicon pieces, the market demand of the monocrystalline silicon rod also shows a rapid growth trend, and the demand of quartz crucibles used for manufacturing the monocrystalline silicon rod also increases rapidly. The quality of the outer surface of the quartz crucible, whether the outer surface is smooth and clean or not is directly related to the quality of a smelting product of the quartz crucible and the service life of the quartz crucible. The existing shaping machine tool system for the outer surface of the quartz crucible used in the process of manufacturing the quartz crucible comprises a motor, a bottom support, a supporting plate, the quartz crucible and a carborundum wheel, wherein the motor drives the bottom support, the supporting plate and the quartz crucible to rotate, and meanwhile, the carborundum wheel is manually operated to move outside the quartz crucible, so that the outer side of the quartz crucible rubs with the working surface of the carborundum wheel to generate a shaping processing process.
The above prior art solution has the following drawbacks: at present, the boss is mostly utilized to clamp inside the crucible when the quartz crucible is cleaned and desanding process is carried out, the fixing mode can only be used for the crucible with fixed size, and the crucibles with different sizes are not convenient to fix.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a quartz crucible surface self-cleaning sand removal device, its advantage that has: the arranged workbench can provide an installation position for cleaning and desanding related components, the arranged transmission shaft can play a role in connection transmission, the arranged driving component can provide driving force for the transmission shaft to drive the transmission shaft to rotate, so that cleaning and desanding operations can be conveniently carried out, the arranged mounting plate can provide an installation position for the supporting plate, the arranged supporting plate can be convenient for placing a crucible, the arranged clamping component can carry out limit locking on the crucible, the stability of the crucible in the rotating and cleaning and desanding operation processes is improved, the arranged synchronous transmission component can control a plurality of cams to rotate simultaneously, the side walls of the cams can be extruded to the inner side wall of the crucible, so that the crucible is limited, the inside of the crucible is limited, the cleaning and desanding operations on the outer side wall of the crucible cannot be influenced, and meanwhile, the arranged cams can be extruded and clamped according to different crucible sizes within a certain range, the crucible cleaning device can be applied to crucibles with different gears, and the applicability of the cleaning and desanding device is improved; the integral cleaning and desanding device utilizes the characteristic that the vertical side wall of the cam is different from the rotating position, and the crucibles with different sizes can be clamped by rotating the cam, so that the integral cleaning and desanding device has high practicability.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a quartz crucible surface self-cleaning sand removing device, includes the workstation, run through on the workstation and be equipped with the transmission shaft, and rotate between the two and connect, the transmission shaft is close to ground one side and is equipped with drive assembly, the transmission shaft is kept away from ground one end and is inserted and be equipped with the mounting panel, and fixed connection between the two, ground one side fixedly connected with layer board is kept away from to the mounting panel, the layer board is kept away from ground one side and is equipped with the centre gripping subassembly, the centre gripping subassembly includes a plurality of cams, and is a plurality of the cam all runs through and the first connecting axle of fixedly connected with, first connecting axle run through and rotate connect in the layer board, the inside cavity that has seted up of layer board, first connecting axle is close to mounting panel one side is equipped with the synchro-drive subassembly, the synchro-drive subassembly is arranged in inside the cavity.
By adopting the technical scheme, the arranged workbench can provide an installation position for cleaning and desanding related components, the arranged transmission shaft can play a role in connection transmission, the arranged driving component can provide driving force for the transmission shaft to drive the transmission shaft to rotate, the cleaning and desanding operation is convenient to be carried out, the arranged installation plate can provide an installation position for the support plate, the arranged support plate can be convenient for placing a crucible, the arranged clamping component can carry out limit locking on the crucible, the stability of the crucible in the rotating and cleaning and desanding operation processes is improved, the arranged synchronous transmission component can control a plurality of cams to rotate simultaneously, the side walls of the cams can be extruded to the inner side wall of the crucible, the crucible is limited through the inside of the crucible, the influence on the cleaning and desanding operation of the outer side wall of the crucible is avoided, and meanwhile, the arranged cams can be extruded and clamped according to different crucible sizes in a certain range, the crucible cleaning device can be applied to crucibles with different gears, and the applicability of the cleaning and desanding device is improved; the integral cleaning and desanding device utilizes the characteristic that the vertical side wall of the cam is different from the rotating position, and the crucibles with different sizes can be clamped by rotating the cam, so that the integral cleaning and desanding device has high practicability.
The present invention may be further configured in a preferred embodiment as: synchronous drive subassembly includes the sun gear, the sun gear runs through and fixedly connected with second connecting axle, the second connecting axle run through and rotate connect in the layer board, the week side that the second connecting axle is close to ground one side is equipped with control assembly, the meshing of sun gear week side has a plurality of planetary gear, and is a plurality of planetary gear and a plurality of first connecting axle one-to-one, just planetary gear fixed connection in first connecting axle week side.
Through adopting above-mentioned technical scheme, the second connecting axle that sets up can play the transmission connection effect to can provide the mounted position for sun gear and control assembly, the sun gear of setting can drive a plurality of planet wheels of its week side meshing and rotate simultaneously, the sun gear train simple structure of setting, the transmission is accurate, and the practicality is strong, can satisfy a plurality of first connecting axle of common control pivoted needs jointly.
The present invention may be further configured in a preferred embodiment as: the control assembly comprises a first bevel gear, the first bevel gear is fixedly connected to the periphery of the second connecting shaft, the first bevel gear is meshed with a second bevel gear, the second bevel gear penetrates through a third connecting shaft and is fixedly connected with the third connecting shaft, the two ends of the third connecting shaft penetrate through the third connecting shaft and are rotatably connected to the side wall of the supporting plate, a rotating block is fixedly connected to the periphery of one end of the third connecting shaft, the rotating block is arranged on the outer side of the supporting plate, and a locking assembly is arranged on the periphery of the third connecting shaft.
Through adopting above-mentioned technical scheme, the first bevel gear and the second bevel gear that set up can change the direction of transfer of motion to improve the compactness of structure, the installation of being convenient for, the third connecting axle that sets up can drive the second bevel gear and rotate, the turning block that sets up is convenient for pass through manual control, the locking Assembly that sets up can carry on spacingly to the third connecting axle, in carrying out the joint effect to the crucible, can reduce the unnecessary rotation's of third connecting axle possibility, promote the joint effect.
The present invention may be further configured in a preferred embodiment as: locking Assembly includes the arc, but the arc butt is to third connecting axle week side, the arc is kept away from third connecting axle one side is inserted and is equipped with threaded rod one end, and rotates the connection between the two, threaded rod week side threaded connection has the fixed block, fixed block fixed connection in the vertical lateral wall of layer board.
Through adopting above-mentioned technical scheme, the arc that sets up can extrude to third connecting axle week side, through static friction, plays limiting displacement to the third connecting axle, the threaded rod that sets up can utilize and the fixed block between the screw thread transmission, drive the arc and remove, can utilize the auto-lock nature of screw thread simultaneously, plays spacing locking effect to the third connecting axle.
The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a first belt wheel, the first belt wheel is fixedly connected to the periphery of the transmission shaft, a second belt wheel is additionally arranged, the first belt wheel is connected with the second belt wheel through a transmission belt, the periphery of the output shaft of the motor is fixedly connected with the second belt wheel, and the outer shell of the motor is fixedly connected to the workbench.
Through adopting above-mentioned technical scheme, the motor of setting can drive the second band pulley and rotate to drive first band pulley through the drive belt and rotate, and then drive the transmission shaft and rotate, drive assembly adopts the belt drive to have the installation simple, has the overload protection function, and the noise advantage such as little satisfies the drive needs.
The present invention may be further configured in a preferred embodiment as: the workstation is kept away from ground one side cover and is equipped with the safety cover, the safety cover with the workstation joint, just a plurality of high-pressure squirts of safety cover inside wall fixedly connected with.
Through adopting above-mentioned technical scheme, the safety cover that sets up can provide a relative confined environment, is convenient for wash and degritting the crucible through the high-pressure squirt.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the arranged workbench can provide an installation position for cleaning and desanding related components, the arranged transmission shaft can play a role in connection transmission, the arranged driving component can provide driving force for the transmission shaft to drive the transmission shaft to rotate, so that cleaning and desanding operations can be conveniently carried out, the arranged mounting plate can provide an installation position for the supporting plate, the arranged supporting plate can be convenient for placing a crucible, the arranged clamping component can carry out limit locking on the crucible, the stability of the crucible in the rotating and cleaning and desanding operation processes is improved, the arranged synchronous transmission component can control a plurality of arranged cams to rotate simultaneously, the side walls of the cams can be extruded to the inner side wall of the crucible, so that the crucible is limited, the cleaning and desanding operations on the outer side wall of the crucible can not be influenced, and meanwhile, the arranged cams can be extruded and clamped according to different crucible sizes in a certain range, the crucible cleaning device can be applied to crucibles with different gears, and the applicability of the cleaning and desanding device is improved; the integral cleaning and desanding device utilizes the characteristic that the vertical side wall of the cam is different from the rotating position, and the crucibles with different sizes can be clamped by rotating the cam, so that the integral cleaning and desanding device has high practicability.
2. The second connecting shaft can play a transmission connecting role through the setting, the sun wheel and the control assembly can be provided with installation positions, the set sun wheel can drive a plurality of planetary wheels meshed with the periphery of the sun wheel to rotate simultaneously, the set sun wheel system is simple in structure, accurate in transmission and high in practicability, and the requirement for jointly controlling the common rotation of a plurality of first connecting shafts can be met.
3. The transmission direction of motion can be changed through the first bevel gear and the second bevel gear that set up to improve the compactness of structure, the installation of being convenient for, the third connecting axle that sets up can drive second bevel gear and rotate, the turning block that sets up is convenient for pass through manual control, the locking Assembly who sets up can carry on spacingly to the third connecting axle, in carrying out the joint effect to the crucible, can reduce the unnecessary rotation's of third connecting axle possibility, promote the joint effect.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a first perspective cross-sectional view of the pallet;
fig. 4 is a second perspective cross-sectional view of the pallet.
Reference numerals: 1. a work table; 2. a drive shaft; 3. a drive assembly; 31. a first pulley; 32. a second pulley; 33. a motor; 34. a transmission belt; 4. mounting a plate; 5. a support plate; 6. a clamping assembly; 61. a cam; 62. a first connecting shaft; 63. a synchronous drive assembly; 631. a sun gear; 632. a second connecting shaft; 633. a control component; 6331. a first bevel gear; 6332. a second bevel gear; 6333. a third connecting shaft; 6334. rotating the block; 634. a planetary gear; 7. a cavity; 8. a locking assembly; 81. an arc-shaped plate; 82. a threaded rod; 83. a fixed block; 9. a protective cover; 10. a high pressure water gun.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1 and 2, the quartz crucible surface automatic cleaning and desanding device disclosed by the utility model comprises a workbench 1, wherein the workbench 1 can meet the use requirement and provide an installation position for cleaning and desanding related components, a transmission shaft 2 is arranged on the workbench 1 in a penetrating way, the axis direction of the transmission shaft 2 is along the vertical direction, the transmission shaft 2 can play a role of connecting and transmitting, and the transmission shaft 2 and the transmission shaft are rotatably connected, a driving component 3 is arranged at one side of the transmission shaft 2 close to the ground, the driving component 3 can provide driving force for the transmission shaft 2 to drive the transmission shaft 2 to rotate, the cleaning and desanding operation is convenient to carry out, a mounting plate 4 is inserted at one end of the transmission shaft 2 far from the ground, the mounting plate 4 is horizontally arranged, the mounting plate 4 can provide an installation position for the supporting plate 5 and is fixedly connected with the supporting plate 5, and the supporting plate 4 is fixedly connected with the supporting plate 5 at one side of the supporting plate 4 far from the ground, the supporting plate 5 is arranged in parallel to the mounting plate 4, the supporting plate 5 can facilitate the placement of a crucible, one side of the supporting plate 5, which is far away from the ground, is provided with a clamping assembly 6, the clamping assembly 6 can limit and lock the crucible, and can improve the stability of the crucible in the rotating and cleaning and desanding operation processes, the clamping assembly 6 comprises a plurality of cams 61, the number of the cams 61 is three in the embodiment, the three cams 61 are uniformly distributed, the specific size and specification of the cams 61 can be designed according to specific requirements, the cams 61 can be extruded and clamped according to different crucible sizes within a certain range, the clamping assembly can be applied to crucibles with different gears, the applicability of the cleaning and desanding device is improved, the plurality of cams 61 are all penetrated and fixedly connected with a first connecting shaft 62, the axial direction of the first connecting shaft 62 is vertical, the first connecting shaft 62 is penetrated and rotatably connected to the supporting plate 5, a cavity 7 is formed inside the supporting plate 5, one side of the first connecting shaft 62, which is close to the mounting plate 4, is provided with a synchronous transmission assembly 63, as shown in fig. 3, the synchronous transmission assembly 63 is convenient for controlling the plurality of cams 61 together, the operation simplicity is improved, and the synchronous transmission assembly 63 is arranged in the cavity 7.
As shown in fig. 3 and 4, the synchronous transmission assembly 63 includes a sun gear 631, the sun gear 631 can drive a plurality of planet gears meshed with the periphery of the sun gear 631 to rotate simultaneously, the sun gear 631 penetrates and is fixedly connected with a second connection shaft 632, the second connection shaft 632 can play a role in transmission connection, and can provide installation positions for the sun gear 631 and the control assembly 633, the second connection shaft 632 penetrates and is rotatably connected to the supporting plate 5, the control assembly 633 is arranged on the periphery of the second connection shaft 632 near the ground, a plurality of planet gears 634 are meshed with the periphery of the sun gear 631, the number of planet gears is three, and the three planet gears 634 are respectively used for driving the three first connection shafts 62 to rotate, the three planet gears 634 are in one-to-one correspondence with the three first connection shafts 62, and the planet gears 634 are fixedly connected to the periphery of the first connection shafts 62, and the fixed connection is through a flat key connection.
As shown in fig. 3 and 4, the control assembly 633 comprises a first bevel gear 6331, the first bevel gear 6331 is fixedly connected to the periphery of the second connecting shaft 632, the first bevel gear 6331 is engaged with a second bevel gear 6332, the first bevel gear 6331 and the second bevel gear 6332 can change the transmission direction of the movement, thereby improving the compactness of the structure and facilitating the installation, the second bevel gear 6332 is provided with a third connecting shaft 6333 in a penetrating manner, the axial direction of the third connecting shaft 33 is along the horizontal direction, the third connecting shaft 6333 can drive the second bevel gear 6332 to rotate and is fixedly connected therebetween, both ends of the third connecting shaft 6333 are respectively connected to the side wall of the supporting plate 5 in a penetrating manner and rotating manner, a rotating block 6334 is fixedly connected to the periphery of one end of the third connecting shaft 6333, the periphery of the rotating block 6334 is provided with anti-slip threads, the rotating block 6334 is not interfered with the supporting plate 5 and the mounting plate 4, the rotating block 6334 is conveniently controlled manually, the rotating block 6334 is placed outside the supporting plate 5, the locking assembly 8 is arranged on the peripheral side of the third connecting shaft 6333, the locking assembly 8 can limit the third connecting shaft 6333, the possibility of unnecessary rotation of the third connecting shaft 6333 can be reduced in the clamping action of the crucible, and the clamping effect is improved.
As shown in fig. 1 and 3, the locking assembly 8 includes the arc 81, the arc 81 is provided with anti-skidding line near the third connecting shaft 6333, can promote the locking effect through increasing the static friction between the two, but the arc 81 butt to third connecting shaft 6333 week side, the arc 81 is kept away from third connecting shaft 6333 one side and is inserted threaded rod 82 one end, threaded rod 82 axis direction is along the horizontal direction, and perpendicular third connecting shaft 6333 axis direction, threaded connection satisfies the auto-lock, and rotate the connection between the two, threaded rod 82 week side threaded connection has fixed block 83, fixed block 83 fixed connection is in the vertical lateral wall of layer board 5.
As shown in fig. 1, the driving assembly 3 includes a first pulley 31, the first pulley 31 is fixedly connected to the periphery of the transmission shaft 2, and a second pulley 32 is further provided, the first pulley 31 and the second pulley 32 are on the same horizontal plane, the first pulley 31 and the second pulley 32 are in transmission connection through a transmission belt 34, the second pulley 32 is fixedly connected to the periphery of an output shaft of a motor 33, the motor 33 adopts a speed-regulating motor 33, an outer shell of the motor 33 is fixedly connected to the worktable 1, and the fixed connection mode is through a bolt connection.
As shown in figure 1, workstation 1 keeps away from ground one side cover and is equipped with safety cover 9, and safety cover 9 material adopts stainless steel material, and safety cover 9 and 1 joint of workstation, the joint mode are through fixture block and the mutual joint of draw-in groove, can be convenient for take out and place the crucible, and a plurality of high-pressure squirt 10 of safety cover 9 inside wall fixedly connected with, and high-pressure squirt 10 adopts prior art, satisfy the crucible wash and the degritting needs can.
The implementation principle of the embodiment is as follows: when the crucible clamping limiting device is used, firstly, a crucible is reasonably placed on the supporting plate 5, the protective cover 9 is closed, the rotating block 6334 is manually screwed to drive the third connecting shaft 6333 to rotate, and further the second bevel gear 6332 on the third connecting shaft 6333 is driven to rotate, the first bevel gear 6331 meshed with the second bevel gear 6332 is further driven to rotate, the second transmission shaft 2 is further driven to rotate, the sun gear 631 arranged on the second transmission shaft 2 is further driven to rotate, the three planet gears meshed with the sun gear 631 are further driven to rotate, the first connecting shaft 62 is further driven to rotate, the cam 61 connected onto the first connecting shaft 62 is further driven to rotate, and finally, the inner side wall of the crucible is extruded through the periphery of the cam 61 to realize clamping limiting of the crucible; then the threaded rod 82 is manually rotated to drive the arc-shaped plate 81 to extrude to the peripheral side of the third connecting shaft 6333; starting a motor 33, driving a second belt wheel 32 to rotate, driving a first belt wheel 31 to rotate through a driving belt 34, further driving the mounting plate 4, the supporting plate 5 and the crucible clamped on the supporting plate 5 to rotate together through the transmission shaft 2, starting the high-pressure water gun 10, and cleaning and desanding the surface of the crucible by using high-pressure water flow; after cleaning and sand removing are finished, the threaded rod 82 is rotated reversely, the limit of the third connecting shaft 6333 is cancelled, the rotating block 6334 is rotated reversely, the limit of the cam 61 to the crucible is cancelled, the protective cover 9 is opened, and the crucible is taken down.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a quartz crucible surface self-cleaning sand removal device, includes workstation (1), its characterized in that: the workbench (1) is provided with a transmission shaft (2) in a penetrating manner, the transmission shaft (2) is rotatably connected with the workbench, one side, close to the ground, of the transmission shaft (2) is provided with a driving assembly (3), one end, far away from the ground, of the transmission shaft (2) is inserted into a mounting plate (4), the mounting plate (4) is fixedly connected with a supporting plate (5), one side, far away from the ground, of the supporting plate (5) is provided with a clamping assembly (6), the clamping assembly (6) comprises a plurality of cams (61), the cams (61) are all fixedly connected with a first connecting shaft (62) in a penetrating manner, the first connecting shaft (62) is rotatably connected with the supporting plate (5) in a penetrating manner, a cavity (7) is formed in the supporting plate (5), one side, close to the mounting plate (4), of the first connecting shaft (62) is provided with a synchronous transmission assembly (63), the synchronous transmission assembly (63) is arranged in the cavity (7).
2. The quartz crucible surface automatic cleaning and desanding device according to claim 1, wherein: synchronous drive subassembly (63) includes sun gear (631), sun gear (631) run through and fixedly connected with second connecting axle (632), second connecting axle (632) run through and rotate connect in layer board (5), second connecting axle (632) are close to the week side of ground one side and are equipped with control assembly (633), sun gear (631) week side meshing has a plurality of planetary gear (634), and is a plurality of planetary gear (634) and a plurality of first connecting axle (62) one-to-one, just planetary gear (634) fixed connection in first connecting axle (62) week side.
3. The quartz crucible surface automatic cleaning and desanding device according to claim 2, wherein: control assembly (633) includes first bevel gear (6331), first bevel gear (6331) fixed connection in second connecting axle (632) week side, first bevel gear (6331) meshing has second bevel gear (6332), second bevel gear (6332) run through and are equipped with third connecting axle (6333), and fixed connection between the two, third connecting axle (6333) both ends run through respectively and rotate connect in layer board (5) lateral wall, third connecting axle (6333) one end week side fixedly connected with turning block (6334), turning block (6334) are arranged in the layer board (5) outside, third connecting axle (6333) week side is equipped with locking assembly (8).
4. The quartz crucible surface automatic cleaning and desanding device according to claim 3, wherein: locking Assembly (8) include arc (81), arc (81) can butt to third connecting axle (6333) week side, arc (81) are kept away from third connecting axle (6333) one side is inserted threaded rod (82) one end, and rotates the connection between the two, threaded rod (82) week side threaded connection has fixed block (83), fixed block (83) fixed connection in the vertical lateral wall of layer board (5).
5. The quartz crucible surface automatic cleaning and desanding device according to claim 1, wherein: drive assembly (3) include first band pulley (31), first band pulley (31) fixed connection in transmission shaft (2) week side is equipped with second band pulley (32) in addition, first band pulley (31) with connect through drive belt (34) transmission between second band pulley (32), second band pulley (32) fixedly connected with motor (33) output shaft week side, motor (33) shell body fixed connection in workstation (1).
6. The quartz crucible surface automatic cleaning and desanding device according to claim 1, wherein: workstation (1) is kept away from ground one side cover and is equipped with safety cover (9), safety cover (9) with workstation (1) joint, just a plurality of high-pressure squirt (10) of safety cover (9) inside wall fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121016443.1U CN215143094U (en) | 2021-05-13 | 2021-05-13 | Quartz crucible surface self-cleaning sand removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121016443.1U CN215143094U (en) | 2021-05-13 | 2021-05-13 | Quartz crucible surface self-cleaning sand removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215143094U true CN215143094U (en) | 2021-12-14 |
Family
ID=79369392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121016443.1U Expired - Fee Related CN215143094U (en) | 2021-05-13 | 2021-05-13 | Quartz crucible surface self-cleaning sand removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215143094U (en) |
-
2021
- 2021-05-13 CN CN202121016443.1U patent/CN215143094U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |