CN217432982U - Single crystal blade mould shell slurry removing device - Google Patents
Single crystal blade mould shell slurry removing device Download PDFInfo
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- CN217432982U CN217432982U CN202121419188.5U CN202121419188U CN217432982U CN 217432982 U CN217432982 U CN 217432982U CN 202121419188 U CN202121419188 U CN 202121419188U CN 217432982 U CN217432982 U CN 217432982U
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Abstract
A single crystal blade form shell slurry removal apparatus, comprising: a motor; the bottom end of the rotating shaft is connected with the motor; the scraping disc is fixedly sleeved on the rotating shaft, the motor is suitable for driving the rotating shaft to rotate, and the rotating shaft is suitable for driving the scraping disc to rotate. The slurry removing device is convenient to operate and can achieve a good slurry removing effect. The rotating scraping disc and the side wall of the aluminum alloy disc at the bottom of the single crystal blade mould shell generate relative rotation movement to remove residual slurry adhered on the surface. The utility model provides a single crystal blade mould shell ground paste clearing device both can the autonomous working, also can integrate on the robot production line, can realize continuous automation and clear away the purpose of remaining ground paste, help promoting production efficiency, reduce the cost of labor to solve manual operation's inconsistency, can show and improve single crystal blade mould shell quality, improve single crystal blade yield.
Description
Technical Field
The utility model relates to an aeroengine and gas turbine single crystal blade make technical field, especially relate to a single crystal blade mould shell ground paste clearing device.
Background
Single crystal blades are one of the most important key parts of modern aircraft engines and gas turbines. Water-cooling copper plate directional solidification process is usually adopted at home and abroad to produce the single crystal blade. For this reason, a special method is required to prepare a mold shell required for growing the single crystal blade. Firstly, the single crystal blade wax mould is combined on an aluminum alloy disc according to a certain structure to form a single crystal blade wax mould module, wherein the size of the aluminum alloy disc is completely the same as that of a water-cooling copper disc used in the single crystal growth process. And then the combined wax pattern module is wholly immersed into the slurry of the mould shell, and multiple layers of slurry are repeatedly coated and hung, so that the mould shell integrally reaches enough uniform thickness. After the shell manufacturing is finished, the manufactured shell is separated from the aluminum alloy plate for fixing the wax mold, and then high-temperature sintering is carried out to form high-temperature strength.
In the whole preparation process of the single crystal blade mould shell, the bottom of the single crystal blade mould shell is connected with the aluminum alloy plate in a matching way, and the aluminum alloy plate is inevitably adhered with slurry. However, in order to ensure the installation quality of the subsequent single crystal blade mould shell on the water-cooled copper plate of the single crystal furnace, residual slurry is not allowed to be left on the side surface of the aluminum alloy plate. In actual production, after the whole single crystal blade wax mold module is fully hung with a new layer of slurry, an operator is required to remove residual slurry adhered to the side wall of the aluminum alloy plate by using a manual tool. At present, most of single crystal blade production enterprises use a robot production line to automatically produce a single crystal blade mould shell, because each wax mould module needs to be repeatedly coated with 6-12 layers of slurry, residual slurry is removed by adopting a manual intervention mode, the automatic production efficiency of the robot production line is undoubtedly greatly reduced, the labor cost in the single crystal blade manufacturing process is increased, in addition, due to the inconsistency of manual operation, the thickness of the outer edge of the mould shell is often uneven, the problems of block falling, mould shell cracking and the like are easily caused after sintering, and therefore the quality and the yield of the single crystal blade are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem provide a single crystal blade mould shell ground paste clearing device, be convenient for realize good remaining ground paste through robot production line automation and clear away the effect, be favorable to improving the yield of single crystal blade mould shell quality and single crystal blade.
In order to solve the above problems, the utility model provides a single crystal blade mould shell ground paste clearing device, include: a motor; the bottom end of the rotating shaft is connected with the motor; the scraping disc is fixedly sleeved on the rotating shaft, the motor is suitable for driving the rotating shaft to rotate, and the rotating shaft is suitable for driving the scraping disc to rotate.
Optionally, the thickness of the scraping disc is 20 mm-50 mm, and the outer diameter is 400 mm-600 mm.
Optionally, the material of the scraping disc is a porous rigid foam material.
Optionally, the rotating speed of the motor is 1000 r/min-3000 r/min.
Optionally, the rotating speed of the scraping disc is adjusted to be 15 r/min-50 r/min through frequency conversion.
Optionally, the single crystal blade shuttering slurry removing device further comprises: the protective cover is sleeved on the rotating shaft, is positioned between the scraping disc and the motor and is suitable for shielding slurry falling towards the motor.
Optionally, the protective cover is in a side shape of a cone or a side shape of a truncated cone, and the protective cover has an expansion opening facing the motor.
Optionally, the single crystal blade shuttering slurry removing device further comprises: a collection pan having a collection trough facing the flared opening adapted to collect the dropped slurry.
Optionally, the single crystal blade shuttering slurry removing device further comprises: the cleaning assembly comprises a cleaning pipe and a valve arranged on the cleaning pipe, and the cleaning pipe is suitable for spraying compressed air onto the scraping disc.
Optionally, the material of the scraping disc is a porous rigid foam material.
Compared with the prior art, the technical scheme of the utility model have following advantage:
in the technical scheme of the single crystal blade mould shell slurry clearing device provided by the utility model, the motor drives the rotating shaft and drives the scraping disc to rotate. The side wall of the rotating scraping disc and the aluminum alloy disc at the bottom of the single crystal blade mould shell rotate relatively to remove residual slurry adhered to the side surface of the aluminum alloy disc. The utility model provides a single crystal blade mould shell ground paste clearing device both can the autonomous working, also can integrate on the robot production line, can realize continuous automation and clear away the purpose of remaining ground paste, help promoting production efficiency, reduce the cost of labor to solve manual operation's inconsistency, can show the mould shell quality that improves single crystal blade, improve single crystal blade yield.
Drawings
FIG. 1 is a schematic view of a single crystal blade form shell slurry removing apparatus according to an embodiment of the present invention;
fig. 2 is an enlarged view of the area a shown in fig. 1.
Detailed Description
The embodiment of the utility model discloses a through setting up the single crystal blade mould shell ground paste clearing device including motor, rotation axis and scraping plate, conveniently clear away the unnecessary ground paste on the aluminium alloy dish lateral wall of single crystal blade mould shell bottom, can alleviate manual work volume.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
FIG. 1 is a schematic view of a single crystal blade form shell slurry removing apparatus 100 according to an embodiment of the present invention.
Referring to FIG. 1, a single crystal blade form shell slurry removal apparatus 100 comprises: a motor 110; a rotating shaft 120, the bottom end of the rotating shaft 120 being connected to the motor 110; and a scraping plate 130 fixedly sleeved on the rotating shaft 120.
The motor 110 is adapted to drive the rotating shaft 120 to rotate, and the rotating shaft 120 is adapted to drive the scraping disc 130 to rotate.
Fig. 2 is an enlarged view of the area a shown in fig. 1.
Referring to FIG. 2, the rotating side wall of the scraping plate 130 is brought into contact with the position of the excess slurry 400 adhered to the aluminum alloy plate 210 at the bottom of the single crystal blade mold casing 220 (refer to FIG. 1), and the excess slurry 400 is wiped off by the rotation of the scraping plate 130.
With continued reference to fig. 1, in the present embodiment, the material of the rotating shaft 120 is a rigid material.
In some embodiments, the single crystal blade form removing apparatus 100 further comprises a drive train between the motor 110 and the rotating shaft 120.
In this embodiment, the apparatus 100 for removing a slurry from a single crystal blade form shell further comprises: the tray 101, the said tray 101 is fixed on the said rotating shaft 120, the said scraping disc 130 locates on the said tray 101; and a fastening member 102, wherein the fastening member 102 fastens the scraping disc 130 between the fastening member 102 and the tray 101.
In this embodiment, the scraping plate 130 is cylindrical. The scraping plate 130 has a through hole at the center thereof, and the scraping plate 130 is sleeved on the rotating shaft 120 through the through hole.
In this embodiment, the thickness of the scraping disc 130 is 20mm to 50mm, and the outer diameter is 400mm to 600 mm.
The scraping disc 130 is made of porous hard foam material, so that the excessive slurry 400 is easy to clean, the risk of scratching the single crystal blade mold shell 220 to be cleaned can be reduced, and the surface of the single crystal blade mold shell 220 can be protected.
In the embodiment, the rotating speed of the motor 110 is 1000r/min to 3000r/min, and the rotating speed of the scraping disc 130 is adjusted to 15r/min to 50r/min through frequency conversion.
Accordingly, in this embodiment, the apparatus 100 for removing a slurry from a single crystal blade form shell further comprises: and a variable frequency adjusting member disposed between the motor 110 and the rotating shaft 120.
Through frequency conversion adjustment, the rotating speed of the scraping disc 130 is reduced, and the single crystal blade mold shell 220 is prevented from being scratched by the rotating speed of the scraping disc 130 too fast.
In this embodiment, the apparatus 100 for removing a slurry from a single crystal blade form shell further comprises: the protective cover 140 is sleeved on the rotating shaft 120, and the protective cover 140 is located between the scraping disc 130 and the motor 110 and is adapted to shield slurry falling toward the motor 110.
In the process of wiping the excess slurry 400 on the aluminum alloy plate 210 at the bottom of the single crystal blade form 220 by using the scraping plate 130, a part of the wiped slurry adheres to the scraping plate 130, and the other part of the wiped slurry falls. The protective cover 140 is used to prevent slurry from falling onto the motor 110, so as to prevent liquid slurry from entering the motor 110 and affecting the normal operation of the motor 110.
The protective cover 140 has a cone side surface or a truncated cone side surface, and the protective cover 140 has an expansion opening 142, and the expansion opening 142 faces the motor 110.
In this embodiment, the protection cover 140 is in a shape of a cone, a fixing hole 141 is formed at the top end of the protection cover 140, and the protection cover 140 is fixedly sleeved on the rotating shaft 120 through the fixing hole 141. Toward the motor 110, the opening of the protective cover 140 gradually expands toward the periphery of the rotation shaft 120. The expanded opening 142 is formed at the bottom end of the protective cover 140.
In this embodiment, the diameter of the expanded opening 142 is larger than the size of the motor 110, so that the protective cover 140 can cover the entire motor 110, and prevent the slurry sliding down from the side wall of the protective cover 140 from falling onto the motor 110.
In this embodiment, the material of the protective cover 140 is rubber or PVC plastic.
In this embodiment, the protective cover 140 is fixedly connected to the rotating shaft 120 by a threaded connection.
In this embodiment, the apparatus 100 for removing a slurry from a single crystal blade form shell further comprises: a collection pan 150, said collection pan 150 having a collection trough 151, said collection trough 151 facing said flared opening 142, adapted to collect falling slurry.
In this embodiment, the collecting tray 150 is placed on a worktable, and the collecting tray 150 has a through hole 152. The motor 110 is disposed on the through hole 152, and specifically, the motor 110 is disposed on the worktable exposed from the through hole 152. The collection tray 150 surrounds the motor 110.
In this embodiment, the diameter of the top opening of the collecting tank 151 is larger than the diameter of the expanded opening 142, so that slurry falling from the scraping plate 130 or slurry sliding from the side wall of the protective cover 140 can finally fall into the collecting tank 151.
In this embodiment, the collection tray 150 is made of stainless steel.
In some embodiments, a rubber pad (not shown) is disposed within the collection pan 150 to facilitate dumping of the slurry collected within the collection pan 150.
In this embodiment, the apparatus 100 for removing a slurry from a single crystal blade form shell further comprises: a cleaning assembly 160, wherein the cleaning assembly 160 comprises a cleaning pipe 161 and a valve 162 arranged on the cleaning pipe 161, and the cleaning pipe 161 is suitable for spraying compressed air onto the scraping disc 130.
As the wiping of excess slurry 400 progresses, more and more of the wiped-off slurry gradually adheres to the wiper blade 130. The cleaning assembly 160 is used for cleaning the slurry on the scraping plate 130 so that the scraping plate 130 continuously wipes the excessive slurry 400 on the aluminum alloy plate 210 at the bottom of the single crystal blade form 220.
In this embodiment, the cleaning pipe 161 is adapted to spray compressed air onto the scraping plate 130, and blow down slurry attached to the scraping plate 130 under the action of strong air pressure, which is helpful to reduce the load of the protective cover 140, prolong the service life of the protective cover 140, and ensure the protection effect of the protective cover 140 on the motor 110 compared with spraying water for cleaning.
In this embodiment, the valve 162 is a solenoid valve.
In this embodiment, the apparatus 100 for removing a slurry from a single crystal blade form further comprises: a control unit (not shown) adapted to control the opening and closing of the valve 162 and the opening and closing of the motor 110.
In this embodiment, the control unit is a programmable logic controller.
In the process of making the shell, after a manipulator unit of a robot production line finishes a slurry dipping and sanding process of a new layer of slurry manually, the single crystal blade mold shell 220 is moved to a preset position, so that the scraping disc 130 is in contact with the side wall of the aluminum alloy disc 210 wrapped by the residual slurry. The control unit then activates the motor 110, and the rotating shaft 120 drives the scraping disc 130 to rotate. Meanwhile, the manipulator unit clamps the single crystal blade mold shell 220 or extracts the single crystal blade mold shell 220 manually, so that the whole single crystal blade mold shell 220 rotates in the opposite direction relative to the scraping disc 130. After the single crystal blade mold shell 220 rotates for a plurality of cycles relative to the scraping plate 130, the excessive slurry 400 on the side wall of the aluminum alloy plate 210 and at the connecting position of the single crystal blade mold shell 220 and the aluminum alloy plate 210 is cleaned by the scraping plate 130, a part of residual slurry is attached to the scraping plate 130, and the rest of residual slurry falls into the collecting plate 150. After the manipulator unit moves the single crystal blade mold shell 220 to the drying rack, the valve 162 of the cleaning assembly 160 is controlled by the control unit to open, so that the residual slurry attached to the scraping plate 130 is blown off, and the blown-off residual slurry falls into the collecting plate 150. Finally, the control unit turns off the motor 110 and closes the valve 162 of the cleaning assembly 160, the rotation of the wiper 130 is stopped, and the cleaning pipe 161 stops spraying air onto the wiper 130.
In some embodiments, the scraping disk 130 may be replaced every 8 hours in the case of continuous shelling. The protective cover 140 is cleaned every week, the rubber pad laid in the collection tray 150 is taken out, and the dried residual slurry is shaken off and then can be reused.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (8)
1. A single crystal blade form shell slurry removal apparatus, comprising:
a motor;
the bottom end of the rotating shaft is connected with the motor;
the scraping disc is fixedly sleeved on the rotating shaft, the motor is suitable for driving the rotating shaft to rotate, and the rotating shaft is suitable for driving the scraping disc to rotate;
the protective cover is sleeved on the rotating shaft and is positioned between the scraping disc and the motor and suitable for shielding slurry falling towards the motor.
2. The apparatus for removing a slurry from a single crystal blade form shell as recited in claim 1, wherein said scraping plate has a thickness of 20mm to 50mm and an outer diameter of 400mm to 600 mm.
3. A single crystal blade form shell slurry removal apparatus as recited in claim 1, wherein said scraper disk is a porous rigid foam material.
4. The apparatus of claim 1, wherein the motor is operated at a speed of 1000 to 3000 r/min.
5. The apparatus for removing shuttering slurry of claim 4, wherein the rotating speed of the scraping plate is adjusted to 15r/min to 50r/min by frequency conversion.
6. A single crystal blade form shell slurry removal apparatus as recited in claim 1, wherein said protective cover is cone-sided or truncated cone-sided, said protective cover having an expanded opening facing said motor.
7. A single crystal blade form shell slurry removal apparatus as recited in claim 6, further comprising:
a collection pan having a collection trough facing the flared opening adapted to collect the dropped slurry.
8. A single crystal blade form shell slurry removal apparatus as recited in claim 1, further comprising:
the cleaning assembly comprises a cleaning pipe and a valve arranged on the cleaning pipe, and the cleaning pipe is suitable for spraying compressed air onto the scraping disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419188.5U CN217432982U (en) | 2021-06-24 | 2021-06-24 | Single crystal blade mould shell slurry removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419188.5U CN217432982U (en) | 2021-06-24 | 2021-06-24 | Single crystal blade mould shell slurry removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217432982U true CN217432982U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121419188.5U Active CN217432982U (en) | 2021-06-24 | 2021-06-24 | Single crystal blade mould shell slurry removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217432982U (en) |
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2021
- 2021-06-24 CN CN202121419188.5U patent/CN217432982U/en active Active
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