CN114653918B - Centrifugal casting method and casting equipment for large copper bush - Google Patents
Centrifugal casting method and casting equipment for large copper bush Download PDFInfo
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- CN114653918B CN114653918B CN202210381652.9A CN202210381652A CN114653918B CN 114653918 B CN114653918 B CN 114653918B CN 202210381652 A CN202210381652 A CN 202210381652A CN 114653918 B CN114653918 B CN 114653918B
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- 238000005266 casting Methods 0.000 title claims abstract description 32
- 241000227287 Elliottia pyroliflora Species 0.000 title claims abstract description 26
- 238000009750 centrifugal casting Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010962 carbon steel Substances 0.000 claims abstract description 36
- 229910052802 copper Inorganic materials 0.000 claims abstract description 36
- 239000010949 copper Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 23
- 239000011159 matrix material Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 19
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000010923 batch production Methods 0.000 abstract description 3
- 238000007872 degassing Methods 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
Abstract
The invention discloses a centrifugal casting method and casting equipment for a large copper bush, which comprise a base, wherein the top of the base is fixedly connected with a frame plate, the corners of the top of the frame plate are fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a centrifugal machine, and the top of the frame plate is provided with a casting device. According to the large copper bush centrifugal casting method and casting equipment, the output end of the centrifugal machine drives the first rotating rod to rotate, the carbon steel substrate is driven to rotate, copper liquid flows into the gap between the carbon steel substrate and the sleeve to form a rotor copper bush primary blank through casting, the vacuum pump can pump oxygen to the inner cavity of the sleeve to eliminate gas in the copper bush primary blank and cool the copper bush primary blank, the casting, cooling and degassing are integrated, the problem that additional cooling and vacuum devices are needed during casting, the operation work is multiple in the production process, and the production time is increased due to small-batch production is solved.
Description
Technical Field
The invention relates to the technical field of CT bulb tube rotors, in particular to a centrifugal casting method and casting equipment for a large copper sleeve.
Background
The CT bulb tube is a cathode-ray diode used for generating high vacuum of X-rays, free electrons are generated when current is heated in a cathode filament, high-voltage electricity is simultaneously applied to the cathode and the anode at the moment, so that potential difference is suddenly increased, active electron beams are formed, the cathode is impacted on an anode molybdenum-based tungsten target at a high speed, 1% of electric energy is converted into X-rays to be emitted, and the rest is converted into heat energy to be emitted. Because of the high heat capacity of the CT bulb tube, a larger torque is required to drive the target disc to rotate at a high speed, and therefore, a common rotor copper sleeve cannot be realized, and a high-performance cast copper rotor is required to be adopted.
The method for preparing the rotor copper sleeve of the metal CT bulb tube by the vacuum centrifugal casting technology comprises the following steps of: s1, placing a carbon steel matrix in a ceramic mold, and slowly heating the carbon steel matrix and the ceramic mold; s2, fixing the carbon steel matrix and the ceramic die in a centrifugal machine and starting the centrifugal machine to rotate at a high speed; s3, casting a copper sleeve of the rotor: melting and pouring oxygen-free copper into a pouring port between the carbon steel matrix rotating at high speed and the ceramic die; s4, machining: stopping rotating the centrifugal machine after casting, and performing machining after cooling to obtain a finished product; s5, vacuum degassing: and cleaning and drying the rotor copper sleeve, and then placing the rotor copper sleeve in a vacuum furnace for degassing.
The patent number CN113210578A adopts vacuum centrifugal casting to cast the rotor copper bush, so that the prepared rotor copper bush has a compact steel copper interface, no air holes or gaps exist, the rotor copper bush can be manufactured in a large scale, the cost is relatively low, no impurities exist, the degree of freedom of the manufacturing process is high, the requirement of small-scale production in special industries can be effectively met, but in addition, cooling and vacuum devices are required during casting, the operation work is numerous in the production process, and the problem that the production time is increased in small-scale production is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a large copper bush centrifugal casting method and casting equipment, which solve the problems that the operation work is numerous in the production process and the production time is increased in small-batch production because additional cooling and vacuum devices are needed in casting.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a large-scale copper sheathing centrifugal casting equipment, includes the base, the top fixedly connected with frame board of base, the first fixed plate of corner fixedly connected with at frame board top, the top fixedly connected with centrifuge of first fixed plate, the top of frame board is provided with casting device.
The casting device comprises a sleeve and a vacuum pump, the bottom plate is sleeved at the bottom of the sleeve, a carbon steel base body is arranged at the top of the bottom plate, a first cylinder is fixedly connected to the bottom of the bottom plate, a hollow lantern ring is fixedly connected to the top of the sleeve, a sealing plate is fixedly connected to the top of the hollow lantern ring, a first rotating rod is sleeved on the surface of the sealing plate in a rotating mode, a resisting plate is fixedly connected to the bottom of the first rotating rod, a cooling groove is formed in the surface of the sleeve, a first connecting rod is symmetrically and fixedly connected to the top of the sleeve, a hollow sleeve plate is fixedly connected to the top of the first connecting rod, a connecting pipe is symmetrically and fixedly connected to the inner wall of the hollow sleeve plate, a feeding pipe is fixedly connected to the surface of the hollow sleeve plate, a salient point is fixedly connected to the surface of the first rotating rod, an automatic cooling device is arranged on the sleeve surface of the first rotating rod, a storage box is fixedly connected to the top of the first sleeve plate, a liquid pump is fixedly connected to the upper surface of the first sleeve plate, and an output end and an input end of the liquid pump are fixedly connected to the liquid inlet pipe.
The automatic cooling device comprises a second sleeve plate, a sliding groove is symmetrically and fixedly arranged on the inner wall of the second sleeve plate, a strip-shaped block is sleeved in an inner cavity of the sliding groove in a sliding mode, a second cylinder is fixedly connected to the surface of the second sleeve plate, a second connecting rod is fixedly connected to the surface of the second sleeve plate, an elastic element is fixedly connected to the surface of the second connecting rod, a through pipe is fixedly connected to one end of the elastic element through a second fixing plate, a second rotating rod is rotatably sleeved on the surface of the through pipe, a sealing fan blade is fixedly connected to the surface of the second rotating rod, a baffle is fixedly connected to the bottom of one end of the second rotating rod, a vortex spring sheet is fixedly sleeved on the other end of the second rotating rod, a sleeve box is fixedly connected to one end of the vortex spring sheet, a pipeline is fixedly communicated with the top and the bottom of the through pipe, and a rotating plate is fixedly sleeved on the bottom of the pipeline.
Preferably, the rotating plate is fixedly sleeved at the port of the cooling groove, the second sleeve plate is rotatably sleeved on the surface of the first rotating rod, the protruding points are in contact with the surface of the strip-shaped block, and the output end of the second cylinder penetrates through the surface of the second sleeve plate and is fixedly connected with the strip-shaped block.
Preferably, the sleeve box is fixedly connected to the surface of the through pipe, the second connecting rod is flush with the baffle plate, and the top of the pipeline penetrates through the bottom of the first sleeve plate and is fixedly communicated to the bottom of the storage box.
Preferably, the top of the storage box is fixedly communicated with a liquid inlet, and the surface of the sleeve is provided with a control panel.
Preferably, the first cylinder is fixedly sleeved on the surface of the frame plate, and the top of the first rotating rod is fixedly connected to the output end of the centrifugal machine.
Preferably, the sleeve and the vacuum pump are fixedly sleeved on the top of the frame plate.
Preferably, the liquid inlet pipes are fixedly communicated with the surfaces of the storage box and the sleeve respectively.
Preferably, one end of the connecting pipe penetrates through the inner cavity of the hollow lantern ring and is fixedly communicated with the bottom of the inner cavity of the hollow lantern ring.
Preferably, the input end of the vacuum pump penetrates through the surface of the sleeve and the inner wall of the cooling groove and is fixedly communicated with the inner wall of the sleeve.
The invention also discloses a centrifugal casting method of the large copper bush, which specifically comprises the following steps:
S1, sleeving a carbon steel substrate on the surface of a bottom plate, starting a first cylinder, enabling the first cylinder to drive the carbon steel substrate to enter an inner cavity of a sleeve, enabling the top of the carbon steel substrate to be propped against a retaining plate, conveying copper liquid into the inner cavity of a hollow sleeve plate through a feed pipe, entering the inner cavity of a connecting pipe through the hollow sleeve plate, flowing into the inner cavity of the sleeve, starting a centrifugal machine, enabling an output end of the centrifugal machine to drive a first rotating rod to rotate, driving the carbon steel substrate to rotate through extrusion of the retaining plate, enabling the copper liquid to flow into a gap between the carbon steel substrate and the sleeve, and casting to form a rotor copper sleeve primary blank;
s2, starting a vacuum pump through a control panel, and enabling the vacuum pump to perform oxygen pumping on the inner cavity of the sleeve to eliminate gas in the copper sleeve primary blank;
S3, starting a second cylinder through a control panel to enable the second cylinder to drive a bar block to move in an inner cavity of a chute, enabling the bar block to be in contact with a bump, extruding the bar block when the bump rotates, driving a second sleeve plate and a second connecting rod to rotate, enabling the second connecting rod to drive an elastic element to extrude a baffle, enabling the baffle to drive the second rotating rod to rotate, enabling a sealing fan blade to overturn in the inner cavity of a through pipe, enabling a vortex spring plate to rotate in a follow mode, enabling cooling liquid in the inner cavity of a storage tank to flow into the inner cavity of the cooling tank through a pipeline, cooling a copper sleeve primary blank formed in the inner cavity of the sleeve, stopping a centrifugal machine after cooling is completed, enabling the bump to not extrude the bar block when the first rotating rod does not rotate any more, driving the second connecting rod and the second rotating rod to reset under the elasticity of the elastic element and the vortex spring plate, enabling the sealing fan blade to be closed on the inner wall of the through a liquid inlet pipe, and then enabling the cooling liquid in the inner cavity of the cooling tank to be conveyed into the inner cavity of the storage tank;
s4, finally, starting the first cylinder, enabling the first cylinder to drive the carbon steel substrate to move out through the bottom plate, and finally, taking down the copper sleeve primary blank formed on the surface of the carbon steel substrate.
Advantageous effects
The invention provides a centrifugal casting method and casting equipment for a large copper bush. Compared with the prior art, the method has the following beneficial effects:
1. The large copper sleeve centrifugal casting method and casting equipment comprises the steps of conveying copper liquid into an inner cavity of a hollow sleeve plate through a feed pipe, then entering the inner cavity of a connecting pipe through the hollow sleeve plate, flowing into an inner cavity of a sleeve, starting a centrifugal machine, enabling an output end of the centrifugal machine to drive a first rotating rod to rotate, extruding a carbon steel matrix to rotate through a supporting plate, enabling the copper liquid to flow into a gap between the carbon steel matrix and the sleeve to be cast to form a rotor copper sleeve primary blank, starting a vacuum pump through a control panel, enabling the vacuum pump to pump oxygen to the inner cavity of the sleeve to eliminate gas in the copper sleeve primary blank, and cooling to realize casting, cooling and degassing in an integrated mode, solving the problems that additional cooling and vacuum devices are needed during casting, operation is multiple in production process operation, and production time is increased during small-batch production
2. According to the large copper bush centrifugal casting method and casting equipment, the second cylinder is started to drive the strip-shaped block to move in the inner cavity of the chute, so that the chute is mutually contacted with the convex point, the chute is extruded when the convex point rotates, and then the second sleeve plate and the second connecting rod are driven to rotate, so that the second connecting rod drives the elastic element to extrude the baffle, the baffle drives the second rotating rod to rotate, the sealing fan blade is turned over in the inner cavity of the through pipe, meanwhile, the vortex elastic sheet can rotate along with the rotation, the cooling liquid in the inner cavity of the storage tank can flow into the inner cavity of the cooling tank through the pipeline to cool a copper bush primary blank formed in the inner cavity of the sleeve, after cooling is finished, the centrifugal machine is stopped, the convex point can not extrude the strip-shaped block any more, and under the elastic force of the elastic element and the vortex elastic sheet, the second connecting rod and the second rotating rod are driven to reset, so that the sealing fan blade is closed on the inner wall of the through the liquid inlet pipe, and then the vacuum pump is started to enable the cooling liquid in the inner cavity of the cooling tank to be conveyed into the inner cavity of the storage tank, and the efficiency of automatic cooling liquid can be recycled is achieved.
3. According to the large copper bush centrifugal casting method and casting equipment, the carbon steel substrate is sleeved on the surface of the bottom plate, and then the first cylinder is started, so that the first cylinder drives the carbon steel substrate to enter the inner cavity of the sleeve, and the top of the carbon steel substrate is propped against the bearing plate, so that automatic feeding and discharging are realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a structural casting apparatus of the present invention;
FIG. 3 is a partial cross-sectional view of the structural casting apparatus of the present invention;
FIG. 4 is a schematic view of a structural turning lever according to the present invention;
FIG. 5 is a schematic view of an automatic cooling device according to the present invention;
FIG. 6 is a schematic view of a second set of plates of the present invention;
FIG. 7 is a schematic view of a structural tube of the present invention;
in the figure: 1. a base; 2. a frame plate; 3. a first fixing plate; 4. a centrifuge; 5. a casting device; 51. a sleeve; 52. a first cylinder; 53. a vacuum pump; 54. a control panel; 55. a feed pipe; 56. a hollow sleeve plate; 57. a first connecting rod; 58. a connecting pipe; 59. a hollow collar; 510. a liquid inlet pipe; 511. a liquid pump; 512. a first sleeve plate; 513. a liquid inlet; 514. a storage tank; 515. a first rotating lever; 516. a sealing plate; 517. an automatic cooling device; 171. a second set of plates; 172. a second connecting rod; 173. a through pipe; 174. a pipe; 175. a rotating plate; 176. a chute; 177. a bar block; 178. a second cylinder; 179. a second rotating lever; 180. sealing fan blades; 181. a baffle; 182. a sleeve; 183. a vortex spring plate; 184. an elastic element; 185. a second fixing plate; 518. a carbon steel matrix; 519. a bottom plate; 520. a cooling tank; 521. a retaining plate; 522. and (5) protruding points.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the embodiment of the invention provides a technical scheme: the utility model provides a large-scale copper sheathing centrifugal casting equipment, includes base 1, the top fixedly connected with frame board 2 of base 1, the first fixed plate 3 of corner fixedly connected with at frame board 2 top, the top fixedly connected with centrifuge 4 of first fixed plate 3, the top of frame board 2 is provided with casting device 5.
Referring to fig. 2-4, the casting device 5 comprises a sleeve 51 and a vacuum pump 53, a bottom plate 519 is sleeved at the bottom of the sleeve 51, a carbon steel base 518 is arranged at the top of the bottom plate 519, a first cylinder 52 is fixedly connected at the bottom of the bottom plate 519, a hollow collar 59 is fixedly connected at the top of the sleeve 51, a sealing plate 516 is fixedly connected at the top of the hollow collar 59, a first rotating rod 515 is rotatably sleeved on the surface of the sealing plate 516, a retaining plate 521 is fixedly connected at the bottom of the first rotating rod 515, a cooling groove 520 is fixedly arranged at the surface of the sleeve 51, a first connecting rod 57 is symmetrically and fixedly connected at the top of the sleeve 51, a hollow sleeve plate 56 is fixedly connected at the top of the first connecting rod 57, a connecting pipe 58 is symmetrically and fixedly connected at the inner wall of the hollow sleeve plate 56, a feed pipe 55 is fixedly connected at the surface of the hollow sleeve plate 56, bumps 522 are symmetrically and fixedly connected at the surface of the first rotating rod 515, an automatic cooling device 517 is arranged on the surface of the sleeve 51, a first sleeve plate 512 is rotatably sleeved on the upper surface of the first rotating rod 515, a storage tank 514 is fixedly connected to the top of the first sleeve plate 512, a liquid pump 511 is fixedly connected to the surface of the first sleeve plate 512, a liquid inlet pipe 510 is fixedly communicated with the output end and the input end of the liquid pump 511, a liquid inlet 513 is fixedly communicated with the top of the storage tank 514, a control panel 54 is arranged on the surface of the sleeve 51, a first cylinder 52 is fixedly sleeved on the surface of the frame plate 2, the top of the first rotating rod 515 is fixedly connected to the output end of the centrifugal machine 4, the sleeve 51 and a vacuum pump 53 are fixedly sleeved on the top of the frame plate 2, the liquid inlet pipe 510 is fixedly communicated with the surfaces of the storage tank 514 and the sleeve 51 respectively, one end of the connecting pipe 58 penetrates through the inner cavity of the hollow sleeve ring 59 and is fixedly communicated with the bottom of the inner cavity of the hollow sleeve ring 59, the input end of the vacuum pump 53 penetrates the surface of the sleeve 51 and the inner wall of the cooling tank 520, and is fixedly connected to the inner wall of the sleeve 51.
Referring to fig. 5-7, the automatic cooling device 517 includes a second sleeve plate 171, a chute 176 is symmetrically and fixedly provided on an inner wall of the second sleeve plate 171, a bar block 177 is slidably sleeved in an inner cavity of the chute 176, a second cylinder 178 is symmetrically and fixedly connected to a surface of the second sleeve plate 171, a second connecting rod 172 is fixedly connected to a surface of the second sleeve plate 171, an elastic element 184 is fixedly connected to a surface of the second connecting rod 172, one end of the elastic element 184 is fixedly connected to a through pipe 173 through the second fixing plate 185, a second rotating rod 179 is rotatably sleeved on a surface of the through pipe 173, a sealing fan blade 180 is symmetrically and fixedly connected to a surface of the second rotating rod 179, a baffle 181 is fixedly connected to a bottom of one end of the second rotating rod 179, a vortex spring 183 is fixedly connected to a sleeve 182, a top and a bottom of the through pipe 173 are fixedly communicated with a pipeline 174, a rotating plate 175 is fixedly sleeved on a bottom of the pipeline 174, the rotating plate 175 is fixedly sleeved on a port of the cooling groove 520, the second sleeve plate 171 is rotatably sleeved on a surface of the first rotating rod, 522 is fixedly connected to a sealing fan blade 180, a bottom of the second rotating rod 179 is fixedly connected to a bottom of the second sleeve plate 173, and the bar block 173 is fixedly connected to a top of the bar block 181, and the top of the bar block is fixedly connected to the top of the bar block 173, and the bar block 181 is fixedly connected to the top of the bar block 173.
The embodiment of the invention provides a technical scheme that: the centrifugal casting method of the large copper bush specifically comprises the following steps:
S1, firstly sleeving a carbon steel matrix 518 on the surface of a bottom plate 519, starting a first cylinder 52, enabling the first cylinder 52 to drive the carbon steel matrix 518 to enter an inner cavity of a sleeve 51, enabling the top of the carbon steel matrix 518 to abut against a retaining plate 521, conveying copper liquid into the inner cavity of a hollow sleeve plate 56 through a feed pipe 55, then entering the inner cavity of a connecting pipe 58 through the hollow sleeve plate 56, flowing into the inner cavity of the sleeve 51, starting a centrifugal machine 4, enabling the output end of the centrifugal machine 4 to drive a first rotating rod 515 to rotate, and enabling the carbon steel matrix 518 to rotate through extrusion of the retaining plate 521, wherein the copper liquid flows into a gap between the carbon steel matrix 518 and the sleeve 51 so as to cast a rotor copper sleeve primary blank;
S2, starting a vacuum pump 53 through a control panel 54, and enabling the vacuum pump 53 to pump oxygen to the inner cavity of the sleeve 51 so as to eliminate gas in the copper sleeve primary blank;
S3, starting a second air cylinder 178 through the control panel 54, enabling the second air cylinder 178 to drive a strip block 177 to move in the inner cavity of the sliding groove 176, enabling the strip block 177 to be in contact with a bump 522, extruding the strip block 177 when the bump 522 rotates, driving a second sleeve plate 171 and a second connecting rod 172 to rotate, enabling the second connecting rod 172 to drive an elastic element 184 to extrude the baffle 181, enabling the baffle 181 to drive the second rotating rod 179 to rotate, enabling a sealing fan blade 180 to overturn in the inner cavity of the through pipe 173, enabling a vortex elastic sheet 183 to rotate along with the sealing fan blade 180, enabling cooling liquid in the inner cavity of the storage tank 514 to flow into the inner cavity of the cooling groove 520 through a pipeline 174, cooling a copper sleeve blank formed in the inner cavity of the sleeve 51, stopping the centrifuge 4 after cooling, enabling the bump 522 not to extrude the strip block 177 when the first rotating rod 515 does not rotate any more, and enabling the second connecting rod 172 and the second rotating rod 179 to reset under the elastic force of the elastic element 184 and the vortex elastic sheet 183, enabling the sealing fan blade 180 to be closed on the inner wall of the through pipe 173, and then enabling the sealing fan blade 180 to flow into the inner cavity of the through the inner cavity of the cooling liquid pump 510, and then enabling cooling liquid to flow into the inner cavity of the cooling tank 520;
And S4, finally, starting the first cylinder 52 again, enabling the first cylinder 52 to drive the carbon steel matrix 518 to move out through the bottom plate 519, and finally, taking down the copper sleeve primary blank formed on the surface of the carbon steel matrix 518.
Wherein the input port of the vacuum pump 53 is provided with a valve which is opened only when the air is pumped, and is closed when the casting is performed.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a large-scale copper sheathing centrifugal casting equipment, includes base (1), the top fixedly connected with deckle board (2) of base (1), the first fixed plate (3) of corner fixedly connected with at deckle board (2) top, the top fixedly connected with centrifuge (4) of first fixed plate (3), its characterized in that: the top of the frame plate (2) is provided with a casting device (5);
the casting device (5) comprises a sleeve (51) and a vacuum pump (53), a bottom plate (519) is sleeved at the bottom of the sleeve (51), a carbon steel base body (518) is arranged at the top of the bottom plate (519), a first air cylinder (52) is fixedly connected at the bottom of the bottom plate (519), a hollow lantern ring (59) is fixedly connected at the top of the sleeve (51), a sealing plate (516) is fixedly connected at the top of the hollow lantern ring (59), a first rotating rod (515) is rotatably sleeved on the surface of the sealing plate (516), a resisting plate (521) is fixedly connected at the bottom of the first rotating rod (515), a cooling groove (520) is fixedly formed in the surface of the sleeve (51), a first connecting rod (57) is symmetrically and fixedly connected at the top of the sleeve (51), a hollow sleeve plate (56) is fixedly connected at the top of the sleeve, a hollow sleeve bump (58) is symmetrically and fixedly communicated with an inner wall of the hollow sleeve plate (56), a feeding pipe (55) is fixedly communicated with the surface of the hollow sleeve plate (56), a first rotating rod (515) is rotatably connected with the surface of the sleeve (515), an automatic rotating device (512) is rotatably sleeved on the surface of the sleeve (515), the top of the first sleeve plate (512) is fixedly connected with a storage tank (514), the surface of the first sleeve plate (512) is fixedly connected with a liquid pump (511), and the output end and the input end of the liquid pump (511) are fixedly communicated with a liquid inlet pipe (510);
The automatic cooling device (517) comprises a second sleeve plate (171), a chute (176) is symmetrically and fixedly arranged on the inner wall of the second sleeve plate (171), a strip-shaped block (177) is sleeved on the inner cavity of the chute (176) in a sliding mode, a second cylinder (178) is symmetrically and fixedly connected to the surface of the second sleeve plate (171), a second connecting rod (172) is fixedly and fixedly connected to the surface of the second sleeve plate (171), an elastic element (184) is fixedly connected to the surface of the second connecting rod (172), one end of the elastic element (184) is fixedly connected with a through pipe (173) through a second fixing plate (185), a second rotating rod (179) is rotatably sleeved on the surface of the through pipe (173), a sealing fan blade (180) is fixedly connected to the surface of the second rotating rod (179), a baffle (181) is fixedly connected to the bottom of one end of the second rotating rod (179), a spring plate (183) is fixedly connected to the other end of the second rotating rod (179), a sleeve box (182) is fixedly connected to one end of the spring plate (183), a scroll pipe (173) is fixedly connected to the bottom of the scroll pipe (174), and the scroll pipe (174) is fixedly sleeved on the bottom (174).
The rotary plate (175) is fixedly sleeved at a port of the cooling groove (520), the second sleeve plate (171) is rotatably sleeved on the surface of the first rotary rod (515), the protruding points (522) are in contact with the surface of the strip-shaped block (177), and the output end of the second air cylinder (178) penetrates through the surface of the second sleeve plate (171) and is fixedly connected with the strip-shaped block (177).
2. A large copper bush centrifugal casting apparatus according to claim 1, wherein: the sleeve box (182) is fixedly connected to the surface of the through pipe (173), the second connecting rod (172) and the baffle (181) are flush with each other, and the top of the pipeline (174) penetrates through the bottom of the first sleeve plate (512) and is fixedly communicated to the bottom of the storage box (514).
3. A large copper bush centrifugal casting apparatus according to claim 1, wherein: the top of the storage box (514) is fixedly communicated with a liquid inlet (513), and a control panel (54) is arranged on the surface of the sleeve (51).
4. A large copper bush centrifugal casting apparatus according to claim 1, wherein: the first air cylinder (52) is fixedly sleeved on the surface of the frame plate (2), and the top of the first rotating rod (515) is fixedly connected to the output end of the centrifugal machine (4).
5. A large copper bush centrifugal casting apparatus according to claim 1, wherein: the sleeve (51) and the vacuum pump (53) are fixedly sleeved on the top of the frame plate (2).
6. A large copper bush centrifugal casting apparatus according to claim 1, wherein: the liquid inlet pipe (510) is fixedly communicated with the surfaces of the storage box (514) and the sleeve (51) respectively.
7. A large copper bush centrifugal casting apparatus according to claim 1, wherein: one end of the connecting pipe (58) penetrates through the inner cavity of the hollow sleeve ring (59) and is fixedly communicated with the bottom of the inner cavity of the hollow sleeve ring (59).
8. A large copper bush centrifugal casting apparatus according to claim 1, wherein: the input end of the vacuum pump (53) penetrates through the surface of the sleeve (51) and the inner wall of the cooling groove (520) and is fixedly communicated with the inner wall of the sleeve (51).
9. A large copper bush centrifugal casting method for the large copper bush centrifugal casting apparatus according to any one of claims 1 to 8, characterized by comprising the steps of:
S1, firstly sleeving a carbon steel matrix (518) on the surface of a bottom plate (519), then starting a first cylinder (52), enabling the first cylinder (52) to drive the carbon steel matrix (518) to enter an inner cavity of a sleeve (51), enabling the top of the carbon steel matrix (518) to be propped against a retaining plate (521), conveying copper liquid into the inner cavity of a hollow sleeve plate (56) through a feed pipe (55), then entering the inner cavity of a connecting pipe (58) through the hollow sleeve plate (56), then flowing into the inner cavity of the sleeve (51), starting a centrifugal machine (4), enabling the output end of the centrifugal machine (4) to drive a first rotating rod (515) to rotate, driving the carbon steel matrix (518) to rotate through the extrusion of the retaining plate (521), and enabling the copper liquid to flow into a gap between the carbon steel matrix (518) and the sleeve (51) so as to form a rotor copper sleeve primary blank through casting;
s2, starting a vacuum pump (53) through a control panel (54), and enabling the vacuum pump (53) to perform oxygen pumping on the inner cavity of the sleeve (51) so as to eliminate gas in the copper sleeve primary blank;
S3, starting a second air cylinder (178) through a control panel (54), enabling the second air cylinder (178) to drive a bar block (177) to move in an inner cavity of a chute (176), enabling the bar block (177) to be in contact with a bump (522), extruding the bar block (177) when the bump (522) rotates, driving a second sleeve plate (171) and a second connecting rod (172) to rotate, enabling the second connecting rod (172) to drive an elastic element (184) to extrude a baffle plate (181), enabling the baffle plate (181) to drive a second rotating rod (179) to rotate, enabling a sealing fan blade (180) to turn open in the inner cavity of a through pipe (173), enabling a cooling liquid in the inner cavity of a storage box (514) to flow into the inner cavity of a cooling groove (520) through a pipeline (174), cooling a copper sleeve formed in the inner cavity of a sleeve (51), stopping a centrifugal machine (4) when the first rotating rod (172) is not rotated any more, enabling the bump (522) to not to rotate again, enabling the bump (177) to be extruded and reset on the elastic element (184) to drive the inner wall of the second rotating rod (173) to rotate, enabling the sealing fan blade (180) to rotate in the inner wall of the through pipe (173) to rotate, and the elastic element (183) to rotate again, and enabling the sealing fan blade (183) to rotate in a mode to flow in the inner cavity of the cooling groove (520), then a liquid pump (511) is started, and the cooling liquid in the inner cavity of the cooling tank (520) is conveyed into the inner cavity of the storage tank (514) through a liquid inlet pipe (510);
s4, finally, starting the first air cylinder (52) again, enabling the first air cylinder (52) to drive the carbon steel base body (518) to move out through the bottom plate (519), and finally, taking down the copper sleeve primary blank formed on the surface of the carbon steel base body (518).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381652.9A CN114653918B (en) | 2022-04-13 | Centrifugal casting method and casting equipment for large copper bush |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381652.9A CN114653918B (en) | 2022-04-13 | Centrifugal casting method and casting equipment for large copper bush |
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| CN114653918A CN114653918A (en) | 2022-06-24 |
| CN114653918B true CN114653918B (en) | 2024-06-21 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326252A (en) * | 2018-01-17 | 2018-07-27 | 嘉善超盛五金材料有限公司 | A kind of copper sheathing pouring procedure and its casting device |
| CN113210578A (en) * | 2021-04-01 | 2021-08-06 | 陕西斯瑞新材料股份有限公司 | Method for preparing rotor copper sleeve of metal CT bulb tube by vacuum centrifugal casting technology |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326252A (en) * | 2018-01-17 | 2018-07-27 | 嘉善超盛五金材料有限公司 | A kind of copper sheathing pouring procedure and its casting device |
| CN113210578A (en) * | 2021-04-01 | 2021-08-06 | 陕西斯瑞新材料股份有限公司 | Method for preparing rotor copper sleeve of metal CT bulb tube by vacuum centrifugal casting technology |
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