CN111136231B - Centrifugal casting machine and roll casting process - Google Patents
Centrifugal casting machine and roll casting process Download PDFInfo
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- CN111136231B CN111136231B CN202010067650.3A CN202010067650A CN111136231B CN 111136231 B CN111136231 B CN 111136231B CN 202010067650 A CN202010067650 A CN 202010067650A CN 111136231 B CN111136231 B CN 111136231B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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Abstract
The invention discloses a centrifugal casting machine and a roll casting process, and the technical scheme is that the casting machine comprises a supporting table, a plurality of sliding wheels, a supporting seat, a rotating rod, a cleaning rod, a brush plate, a steel wire brush and a rotating motor, wherein the supporting table is arranged on one side of a base and is positioned at one end of a molding cylinder; the roll casting process comprises the following steps: a. melting the materials; b. coating a release agent; c. casting a first layer; d. casting a second layer; e. core casting; f. cooling and forming; g. demolding and discharging; h. cleaning the molding cylinder; the steel brush on the brush plate cleans the inner wall of the section of thick bamboo, so that the cleaning operation is more time-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of roll casting, in particular to a centrifugal casting machine and a roll casting process.
Background
A casting method comprising pouring a liquid metal into a rotating mold, filling the mold under centrifugal force, and solidifying the mold into a cast product, wherein a machine for centrifugal casting is called a centrifugal casting machine. Centrifugal casting machines are roughly divided into two major types, namely a vertical type centrifugal casting machine and a horizontal type centrifugal casting machine, wherein the horizontal type centrifugal casting machine is mainly used for casting tubular castings with the length far larger than the diameter, and the vertical type centrifugal casting machine is mainly used for casting disc-ring type castings with the length and the diameter being rainy.
In the process of casting the roller, a horizontal centrifugal casting machine is mostly adopted for casting, after each roller is cast, the inner wall of the mold cylinder needs to be cleaned, in the cleaning process, the inner wall of the mold cylinder needs to be cleaned manually by a steel wire brush, and the next roller is cast after the cleaning is finished. The inner wall of the molding barrel is cleaned manually, and the problems that the cleaning operation wastes time and labor exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a centrifugal casting machine and a roll casting process, wherein the inner wall of a mould cylinder is cleaned through a steel wire brush on a brush plate, so that the cleaning operation is more time-saving and labor-saving.
In order to achieve the purpose, the invention provides the following technical scheme: a centrifugal casting machine comprises a base, a molding cylinder which is arranged at the top of the base and is horizontally arranged in the axis direction, a plurality of supporting wheels which are arranged at the bottom of the molding cylinder and are used for supporting the molding cylinder, and a power motor which is used for driving the supporting wheels to rotate, and further comprises a supporting platform which is arranged at one side of the base and is positioned at one end of the molding cylinder, a plurality of sliding wheels which are arranged at the bottom of the supporting platform, a supporting seat which is arranged on the supporting platform, a rotating rod which is rotatably connected on the supporting seat and can extend into the molding cylinder, a cleaning rod which is fixedly connected on the outer side of the rotating rod and is arranged along the radial direction of the rotating rod, a brush plate which is arranged at the end part of the cleaning rod, a steel wire brush which is fixedly connected on one side of the brush plate, is;
the supporting seat can slide along the axis direction of the molding cylinder at the top of the supporting table, and the rotating rod and the molding cylinder are coaxially arranged.
Through adopting above-mentioned technical scheme, when clearing up, promote a supporting bench and slide to base one side, make the dwang keep coaxial with a section of thick bamboo, then promote the supporting seat orientation and slide near the direction of a section of thick bamboo, make the cleaning rod insert in the middle of the section of thick bamboo of section of thick bamboo, then rotate the motor and drive the dwang and rotate, the dwang drives the steel brush on the brush board in the middle of carrying out the pivoted process and clears up the inner wall of a section of thick bamboo, make a round trip to slide the supporting seat, with section of thick bamboo inner wall clean up, need not the manual work and use steel brush section of thick bamboo inner wall clearance of section of thick bamboo.
The invention is further configured to: two cleaning rods are fixedly connected to the periphery of the rotating rod, the two cleaning rods are respectively located on one side, close to the supporting seat, of the two cleaning rods, and the cleaning rods are deviated from the blowing pipe used for blowing air to the cylinder wall.
Through adopting above-mentioned technical scheme, when the cleaning brush on the cleaning rod cleared up the inner wall of a type section of thick bamboo, the blowing pipe bloies towards the inner wall of a type section of thick bamboo, blows off the residue that will clear up in following a type section of thick bamboo.
The invention is further configured to: the periphery of the rotating rod is fixedly connected with two auxiliary rods, the auxiliary rods are respectively positioned on one sides, away from the supporting seat, of the two cleaning rods, one ends, away from the rotating rod, of the auxiliary rods are fixedly connected with auxiliary pipes for blowing air to the cylinder wall, the blowing pipes and the auxiliary pipes are fixedly connected with blowing pipes, and one ends, away from the rotating rod, of the blowing pipes are obliquely arranged towards the direction close to the brush plate;
when the supporting seat slides towards the direction close to the type cylinder, the air blowing pipe blows air, and when the supporting seat slides towards the direction departing from the type cylinder, the auxiliary pipe blows air.
Through adopting above-mentioned technical scheme, when the supporting seat orientation was slided near the direction of a section of thick bamboo, the gas blow pipe was bloied, and the residue that gets off the steel wire brush clearance is blown off from one side that a section of thick bamboo deviates from the supporting seat, when the supporting seat orientation deviates from the direction of a section of thick bamboo gliding, the auxiliary tube was bloied, and the auxiliary tube blows off the residue under the clearance on the section of thick bamboo inner wall from a section of thick bamboo near supporting seat one side.
The invention is further configured to: the tip fixedly connected with length direction of dwang follows the connecting plate that the radial direction of dwang set up, the both sides that the connecting plate corresponds the dwang are provided with the pneumatic cylinder, be provided with on the connecting plate and carry out the pivoted fan around the dwang axis, the position that the fan is close to the connecting plate both ends is fixedly connected with intake pipe and outlet duct respectively, the position that the connecting plate is close to both ends is provided with two and can follows the gliding sliding tube of connecting plate length direction, the one end that two sliding tubes deviate from each other is the fixedly connected with elasticity pipe all, all fixedly connected with connecting pipe on auxiliary tube and the blowing pipe, one of them elasticity pipe is in the same place with two connecting pipe fixed connection on two auxiliary tubes, two connecting pipe.
Through adopting above-mentioned technical scheme, when the supporting seat orientation was gliding near the direction of a type section of thick bamboo, outlet duct and blowing pipe intercommunication, when the supporting seat orientation deviates from the direction of a type section of thick bamboo gliding, two sliding pipe orientations slided each other's direction, then rotates 180 with the fan, then slides two sliding pipe orientations direction that are close to each other for outlet duct and auxiliary pipe communicate each other.
The invention is further configured to: the holding tank has been seted up to the one end that the dwang deviates from the supporting seat, is provided with the accommodate motor of fixed connection on the dwang in the middle of the holding tank, and accommodate motor is used for driving the fan and rotates.
Through adopting above-mentioned technical scheme, adjust the motor and drive the fan and rotate.
The invention is further configured to: two sliding grooves are formed in one side, away from the rotating rod, of the connecting plate and are respectively positioned on two sides of the fan, sliding blocks capable of sliding in the sliding grooves along the length direction of the connecting plate are arranged in the two sliding grooves, the two sliding blocks are respectively and fixedly connected to the two sliding pipes, and springs in a compressed state are fixedly connected to the sides, away from each other, of the two sliding blocks;
the hole of stepping down has all been seted up to one side that two sliding chutes are close to each other, and the hole of stepping down runs through the connecting plate along the axis direction of dwang, is provided with in the middle of the hole of stepping down along the gliding regulating block of dwang axis direction, and pneumatic cylinder drive regulating block slides, and the regulating block is close to sliding chute one side and is provided with the inclined plane, and one side orientation that two inclined planes deviate from each other sets up towards the direction slope that deviates from the sliding chute.
Through adopting above-mentioned technical scheme, when needing to deviate from two sliding tube orientations each other the direction that deviates from is gliding, the regulating block orientation slides away from the direction of supporting seat, promotes the sliding block through the inclined plane and slides, when the direction that needs two sliding tube orientations to be close to each other is gliding, the regulating block orientation slides near the direction of supporting seat, under the effect of spring, two sliding tube orientations slide near each other's direction.
The invention is further configured to: the inner sides of the ends, which deviate from each other, of the air inlet pipe and the air outlet pipe are provided with conical surfaces, the outer sides, which are close to one end, of the two sliding pipes are also provided with conical surfaces, and the conical surfaces on the two sliding pipes are matched with the conical surfaces on the air inlet pipe and the air outlet pipe respectively.
By adopting the technical scheme, the air inlet pipe, the air outlet pipe and the sliding pipe are connected more tightly by arranging the conical surface.
Another object of the present invention is to provide a roll casting process, which is more time-saving and labor-saving in cleaning the cylinder, the process comprising the steps of:
a. melting materials: respectively feeding the low-carbon steel required in the first layer casting, the nodular cast iron used in the second layer casting and the core part casting into a melting tank for melting;
b. coating a release agent: uniformly coating a release agent on the inner side wall of the molding cylinder;
c. casting a first layer: installing two mold covers at two ends of a mold cylinder, pouring 1600 ℃ low-carbon steel molten iron into the mold cylinder, starting to rotate the mold cylinder, and quickly scattering glass slag into the mold cylinder when the rotating speed of the mold cylinder reaches 800-;
d. casting a second layer: spreading glass slag in the molding cylinder, and rapidly pouring 1500 ℃ ductile cast iron molten iron after running for 1-2 min;
e. core casting: after the second layer of casting is finished, rotating the molding cylinder for 4-5 min, casting the core part when the temperature of the molten iron in the molding cylinder reaches 1100 ℃, and pouring the ductile iron molten iron into the molding cylinder during casting;
f. and (3) cooling and forming: cooling and forming the molten iron in the process of rotating the molding cylinder;
g. demolding and unloading: disassembling the die covers at the two ends of the molding cylinder from the molding cylinder, and then ejecting the roller which is molded in the molding cylinder;
h. cleaning a molding cylinder: the supporting table is pushed to one side of the base, then the sliding supporting seat slides towards the direction close to the molding cylinder, so that the cleaning rod is positioned in the molding cylinder, then the rotating motor is rotated to drive the rotating rod to rotate, when the supporting seat slides towards the direction close to the molding cylinder, the blowing pipe is communicated with the air outlet pipe of the fan, and the blowing pipe blows towards the inner wall of the molding cylinder; when the cleaning rod is located a type section of thick bamboo and deviates from supporting seat one end, the pneumatic cylinder promotes the direction slip that the regulating block orientation deviates from the supporting seat, promote two slip pipes through the inclined plane and slide towards the direction that deviates from each other, then the fan rotates 180, the pneumatic cylinder drives the regulating block orientation and slides near the direction of supporting seat, two slip pipes insert respectively in the middle of intake pipe and the outlet duct under the effect of spring, make outlet duct and auxiliary tube communicate each other, in the middle of the gliding process of direction that deviates from a type section of thick bamboo at the supporting seat orientation, the auxiliary pipe blows towards the inner wall, after the clearance finishes, carry out the casting of next roll.
Through adopting above-mentioned technical scheme, clear up a section of thick bamboo inner wall through the steel brush, need not the manual work and clear up a section of thick bamboo inner wall to make clearance operation labour saving and time saving more.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. according to the cleaning device, the rotating rod and the brush plate are arranged, when cleaning is carried out, the supporting table is pushed to slide to one side of the base, so that the rotating rod and the molding cylinder are coaxial, then the supporting seat is pushed to slide towards the direction close to the molding cylinder, the cleaning rod is inserted into the molding cylinder, then the rotating motor is rotated to drive the rotating rod to rotate, the rotating rod drives the steel wire brush on the brush plate to clean the inner wall of the molding cylinder in the rotating process, the supporting seat slides back and forth, the inner wall of the molding cylinder is cleaned, manual cleaning of the inner wall of the molding cylinder by the steel wire brush is not needed, and the cleaning operation is more time-saving and labor;
2. according to the invention, the blowpipe is arranged, so that when the cleaning brush on the cleaning rod cleans the inner wall of the mold cylinder, the blowpipe blows air towards the inner wall of the mold cylinder, and cleaned residues are blown out from the mold cylinder.
Drawings
FIG. 1 is an isometric view of the complete structure of the embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B of FIG. 2;
FIG. 4 is a schematic view of an embodiment embodying a sliding tube;
FIG. 5 is an enlarged view of section C of FIG. 4;
FIG. 6 is a cross-sectional view of a connecting plate of an embodiment;
FIG. 7 is a cross-sectional view of a connecting plate and a sliding tube of an embodiment;
figure 8 is an isometric view of a support table of an embodiment.
In the figure: 1. a base; 11. a support wheel; 12. a vertical plate; 13. a power motor; 2. a molding cylinder; 3. a support table; 31. a chute; 311. a screw rod; 312. cleaning the motor; 32. a guide groove; 4. a sliding wheel; 5. a supporting seat; 51. rotating the motor; 52. a slider; 53. a guide block; 6. rotating the rod; 61. a cleaning rod; 611. brushing the board; 612. a wire brush; 62. cleaning the rod; 621. a blowpipe; 63. an auxiliary lever; 631. an auxiliary tube; 64. an air blowing pipe; 65. a connecting pipe; 66. an elastic tube; 67. accommodating grooves; 671. adjusting the motor; 7. a connecting plate; 71. a sliding groove; 72. a limiting block; 73. a hole of abdication; 8. a fan; 81. an air inlet pipe; 82. an air outlet pipe; 83. a sliding tube; 84. a slider; 841. a spring; 842. a limiting groove; 9. an adjusting block; 91. a hydraulic cylinder; 92. and (7) fixing the plate.
Detailed Description
The first embodiment is as follows: a centrifugal casting machine comprises a base 1, a molding cylinder 2 arranged on the top of the base 1 and horizontally arranged in the axis direction, four supporting wheels 11 arranged at the bottom of the molding cylinder 2, a power motor 13 arranged above the base 1, a supporting platform 3 arranged on one side of the base 1 and positioned at one end of the molding cylinder 2, a plurality of sliding wheels 4 arranged at the bottom of the supporting platform 3, a supporting seat 5 arranged on the supporting platform 3, a rotating rod 6 connected on the supporting seat 5 in a rotating manner and capable of extending into the molding cylinder 2, two cleaning rods 61 fixedly connected on the outer side of the rotating rod 6 and arranged along the radial direction of the rotating rod 6, two cleaning rods 62 fixedly connected on the outer side of the rotating rod 6, a blowing pipe 621 fixedly connected at one end of the cleaning rods 62, which is far away from the rotating rod 6, two auxiliary rods 63 fixedly connected on the outer side of the rotating rod 6, an auxiliary pipe 631 fixedly connected at one side, A brush plate 611 fixedly connected to one end of the cleaning rod 61 away from the rotating rod 6, a steel wire brush 612 fixedly connected to one side of the brush plate 611 away from the cleaning rod 61, and a rotating motor 51 fixedly connected to the supporting base 5 for driving the rotating rod 6 to rotate; the wire brush 612 can contact the inner wall of the cylinder 2 after extending into the cylinder 2. Two supporting wheels 11 are respectively arranged on two sides of the bottom of the profile cylinder 2, the axes of the supporting wheels 11 are parallel to the axis of the profile cylinder 2, and the outer sides of the supporting wheels 11 are in contact with the profile cylinder 2; two vertical plates 12 fixedly connected to the top of the base 1 are arranged on two sides of the supporting wheel 11, and the supporting wheel 11 is rotatably connected to the two vertical plates 12; the power motor 13 is fixedly connected to the supporting plate on one side of one of the supporting wheels 11, and an output shaft of the power motor 13 is coaxial with the supporting wheel 11 and is fixedly connected to the supporting wheel 11. The rotating rod 6 and the molding cylinder 2 are coaxially arranged, and the supporting seat 5 can slide on the top of the supporting table 3 along the axial direction of the molding cylinder 2; the length directions of the cleaning rods 62 and the auxiliary rods 63 are arranged along the radial direction of the rotating rod 6, the two cleaning rods 62 are respectively positioned at one side of the two cleaning rods 61 close to the supporting seat 5, and the two auxiliary rods 63 are respectively positioned at one side of the two cleaning rods 61 away from the supporting seat 5; when the support base 5 slides towards the direction close to the profile cylinder 2, the blowing pipe 621 blows air towards the inner wall of the profile cylinder 2, and when the support base 5 slides towards the direction away from the profile cylinder 2, the auxiliary pipe 631 blows air towards the inner wall of the profile cylinder 2; the output shaft of the rotating motor 51 is coaxial with the rotating shaft and is fixedly connected to the end of the rotating shaft facing away from the profile cylinder 2.
When clearing up, only need promote a supporting bench 3 and make dwang 6 and a section of thick bamboo 2 keep coaxial, then promote supporting seat 5 and make riser 12 insert a section of thick bamboo 2 inner wall of type, then rotate motor 51 and drive dwang 6 and rotate, it slides to continue to promote supporting seat 5 orientation and be close to the direction of a section of thick bamboo 2, blowpipe 621 blows towards a section of thick bamboo 2 inner wall of type, steel brush 612 brushes down with the residue of a section of thick bamboo 2 inner wall of type, the wind that blowpipe 621 blew out blows out the residue from a section of thick bamboo 2 one end of supporting seat 5, when steel brush 612 moves to a section of thick bamboo 2 and deviates from a supporting seat 5 one end, supporting seat 5 orientation slides towards the direction that deviates from a section of thick bamboo 2, auxiliary tube 631 is blown towards a section of thick bamboo 2 inner wall of type this moment, auxiliary tube.
The blowing pipe 621 and the auxiliary pipe 631 are fixedly connected with the blowing pipe 64 at the sides departing from the rotating rod 6, and one end of the blowing pipe 64 departing from the rotating rod 6 is obliquely arranged towards the direction close to the brush plate 611; the wind blown out from the blowing pipe 621 can more smoothly blow out the residue from the end of the mold cylinder 2 away from the support base 5, and the wind blown out from the auxiliary pipe 631 can more smoothly blow out the residue from the end of the mold cylinder 2 close to the support base 5. The connecting pipe 65 is fixedly connected to both the air blowing pipe 621 and the auxiliary pipe 631 on the side close to the rotating lever 6.
The tip fixedly connected with length direction of dwang 6 follows connecting plate 7 that the radial direction of dwang 6 set up, be provided with on the connecting plate 7 and carry out pivoted fan 8 around dwang 6 axis, the position that fan 8 is close to connecting plate 7 both ends is fixedly connected with intake pipe 81 and outlet duct 82 respectively, the position that connecting plate 7 is close to both ends is provided with two and can follows the gliding sliding tube 83 of connecting plate 7 length direction, the one end that two sliding tube 83 deviate from each other all fixedly connected with elasticity pipe 66, all fixedly connected with connecting pipe 65 on auxiliary pipe 631 and the blowing pipe 621, one of them elasticity pipe 66 is in the same place with two connecting pipe 65 fixed connection on two auxiliary pipes 631, another elasticity pipe 66 is in the same place with two connecting pipe 65 fixed connection on two blowing pipes 621. When the air outlet pipe 82 is communicated with the connecting pipe 65 fixedly connected to the air blowing pipe 621, the air inlet pipe 81 is communicated with the connecting pipe 65 fixedly connected to the auxiliary pipe 631, the blower 8 sucks air through the auxiliary pipe 631 and then discharges the air through the air blowing pipe 621; when the auxiliary pipe 631 is required to blow air, the two sliding pipes 83 slide in the directions away from each other, then the blower 8 is rotated by 180 °, and then the two sliding pipes 83 slide in the directions close to each other, so that the air is discharged from the auxiliary pipe 631.
One side of the connecting plate 7, which is far away from the rotating rod 6, is provided with two sliding grooves 71, the sliding grooves 71 are respectively positioned at two sides of the fan 8, sliding blocks 84 which can slide in the sliding grooves 71 along the length direction of the connecting plate 7 are respectively arranged in the two sliding grooves 71, the two sliding blocks 84 are respectively and fixedly connected to the two sliding pipes 83, and one sides, which are far away from each other, of the two sliding blocks 84 are respectively and fixedly connected with springs 841 which are in a compressed state; the both sides of sliding plate are seted up and are followed sliding plate length direction and run through the spacing groove 842 of sliding plate, are provided with stopper 72 in the middle of spacing groove 842, and stopper 72 fixed connection is on connecting plate 7.
The hole 73 of stepping down has all been seted up to one side that two sliding tray 71 are close to each other, and the hole 73 of stepping down runs through connecting plate 7 along the axis direction of dwang 6, is provided with along the gliding regulating block 9 of dwang 6 axis direction in the middle of the hole 73 of stepping down, and regulating block 9 is provided with the inclined plane near sliding tray 71 one side, and one side orientation that two inclined planes deviate from each other deviates from the direction slope setting of sliding tray 71. One side of the connecting plate 7 close to the supporting seat 5 is fixedly connected with two fixing plates 92 respectively located at two sides of the rotating rod 6, the fixing plates 92 are fixedly connected with hydraulic cylinders 91, and piston rods of the hydraulic cylinders 91 are fixedly connected to one side of the adjusting block 9 close to the supporting seat 5.
When the two sliding pipes 83 need to slide towards the directions departing from each other, the hydraulic cylinder 91 pushes the adjusting block 9 to slide towards the directions departing from the hydraulic cylinder 91, and the adjusting block 9 pushes the two sliding blocks 84 to slide towards the directions departing from each other through the inclined plane, so that the two sliding pipes 83 are driven to slide towards the directions departing from each other; when the two sliding pipes 83 need to slide in the direction of approaching each other, the adjusting block 9 slides in the direction of approaching the hydraulic cylinder 91, and the two sliding pipes 83 slide in the direction of approaching each other under the action of the spring 841.
The inner sides of the ends of the air inlet pipe 81 and the air blowing pipe 64, which are away from each other, are provided with conical surfaces, the outer sides of the ends of the two sliding pipes 83, which are close to each other, are also provided with conical surfaces, and the conical surfaces on the two sliding pipes 83 are respectively matched with the conical surfaces on the air inlet pipe 81 and the air blowing pipe 64.
The top of the supporting table 3 is provided with a chute 31, a slide block 52 capable of sliding in the chute 31 along the axial direction of the molding cylinder 2 is arranged in the chute 31, a screw rod 311 with the axial direction parallel to the axial direction of the molding cylinder 2 is arranged in the chute 31, two ends of the screw rod 311 are rotatably connected to the supporting table 3, one side of the supporting table 3 away from the molding cylinder 2 is fixedly connected with a cleaning motor 312, and an output shaft of the cleaning motor 312 is coaxial with the screw rod 311 and is fixedly connected to one end of the screw rod 311 away from the molding cylinder 2; the slide block 52 is fixedly connected to the bottom of the support seat 5, and the screw rod 311 penetrates through the slide block 52 along the axial direction of the screw rod 311 and is in threaded connection with the slide block 52; the sliding groove 31 is provided with guide grooves 32 on both sides thereof, the guide grooves 32 are provided with guide blocks 53 capable of sliding along the axial direction of the molding cylinder 2 in the guide grooves 32, and the guide blocks 53 are fixedly connected to the bottom of the support base 5.
The working principle of the centrifugal casting machine during cleaning is as follows: when cleaning, only the support table 3 needs to be pushed to enable the rotating rod 6 and the profile cylinder 2 to keep coaxial, then the support seat 5 is pushed to enable the vertical plate 12 to be inserted into the inner wall of the profile cylinder 2, then the motor 51 is rotated to drive the rotating rod 6 to rotate, at the moment, the air outlet pipe 82 is communicated with the air blowing pipe 621, the support seat 5 is continuously pushed to slide towards the direction close to the profile cylinder 2, the air blowing pipe 621 blows towards the inner wall of the profile cylinder 2, the steel wire brush 612 brushes residues on the inner wall of the profile cylinder 2, the residues are blown out from one end, far away from the support seat 5, of the profile cylinder 2 by the air blown out from the air blowing pipe 621, when the steel wire brush 612 moves to one end, far away from the support seat 5, the hydraulic cylinder 91 pushes the adjusting block 9 to slide towards the direction far away from the support seat 5, so that the two sliding pipes 83 are, under the action of the spring 841, the air inlet pipe 81 and the air outlet pipe 82 are connected with the sliding pipe 83, and the air outlet pipe 82 is communicated with the auxiliary pipe 631; the support seat 5 slides towards the direction departing from the cylinder 2, at the same time, the auxiliary pipe 631 blows air towards the inner wall of the cylinder 2, and the auxiliary pipe 631 blows out residues cleaned by the steel wire brush 612 from one end of the cylinder 2 close to the support seat 5.
In a second embodiment, a roll casting process includes the following steps:
a. melting materials: respectively feeding the low-carbon steel required in the first layer casting, the nodular cast iron used in the second layer casting and the core part casting into a melting tank for melting;
b. coating a release agent: uniformly coating a release agent on the inner side wall of the molding cylinder 2;
c. casting a first layer: installing two mold covers at two ends of a mold cylinder 2, pouring 1600 ℃ low-carbon steel molten iron into the mold cylinder 2, then starting to rotate the mold cylinder 2, and quickly scattering glass slag into the mold cylinder 2 when the rotating speed of the mold cylinder 2 reaches 800-;
d. casting a second layer: spreading glass slag into the molding barrel 2, and rapidly pouring 1500 ℃ ductile cast iron molten iron after running for 1-2 min;
e. core casting: after the second layer of casting is finished, the molding cylinder 2 rotates for 4-5 min, when the temperature of molten iron in the molding cylinder 2 reaches 1100 ℃, the core part is cast, and ductile cast iron molten iron is poured into the molding cylinder 2 during casting;
f. and (3) cooling and forming: cooling and forming the molten iron in the process of rotating the molding cylinder 2;
g. demolding and unloading: disassembling the mold covers at two ends of the mold cylinder 2 from the mold cylinder 2, and then ejecting the formed roller in the mold cylinder 2;
h. cleaning the profile cylinder 2: the supporting table 3 is pushed to one side of the base 1, then the sliding supporting seat 5 slides towards the direction close to the molding cylinder 2, so that the cleaning rod 61 is positioned in the molding cylinder 2, then the rotating motor 51 drives the rotating rod 6 to rotate, when the supporting seat 5 slides towards the direction close to the molding cylinder 2, the air blowing pipe 621 is communicated with the air outlet pipe 82 of the fan 8, and the air blowing pipe 621 blows air towards the inner wall of the molding cylinder 2; when cleaning pole 61 is located a type section of thick bamboo 2 and deviates from supporting seat 5 one end, pneumatic cylinder 91 promotes the direction that regulating block 9 orientation deviates from supporting seat 5 and slides, promote two sliding tube 83 orientation through the inclined plane and slide towards the direction that deviates from each other, then fan 8 rotates 180, pneumatic cylinder 91 drives regulating block 9 orientation and slides near supporting seat 5's direction, two sliding tube 83 insert respectively in the middle of intake pipe 81 and outlet duct 82 under the effect of spring 841, make outlet duct 82 and auxiliary tube 631 communicate each other, in the middle of the gliding process of direction that deviates from a type section of thick bamboo 2 at supporting seat 5 orientation, auxiliary tube 631 blows towards the inner wall, after the clearance finishes, carry out the casting of next roll.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a centrifugal casting machine, includes base (1), set up at base (1) top and axis direction level set up type section of thick bamboo (2), set up a plurality of supporting wheel (11) that are used for supporting type section of thick bamboo (2) and be used for driving supporting wheel (11) and carry out pivoted driving motor (13) in type section of thick bamboo (2) bottom, its characterized in that: the cleaning device is characterized by further comprising a supporting table (3) arranged on one side of the base (1) and located at one end of the molding cylinder (2), a plurality of sliding wheels (4) arranged at the bottom of the supporting table (3), a supporting seat (5) arranged on the supporting table (3), a rotating rod (6) rotatably connected to the supporting seat (5) and capable of extending into the molding cylinder (2), a cleaning rod (61) fixedly connected to the outer side of the rotating rod (6) and arranged along the radial direction of the rotating rod (6), a brush plate (611) arranged at the end part of the cleaning rod (61), a steel wire brush (612) fixedly connected to one side of the brush plate (611) away from the cleaning rod (61) and capable of being in contact with the inner wall of the molding cylinder (2) and a rotating motor (51) fixedly connected to the supporting seat (5) and used for driving the;
the supporting seat (5) can slide along the axial direction of the profile cylinder (2) at the top of the supporting table (3), and the rotating rod (6) and the profile cylinder (2) are coaxially arranged;
two cleaning rods (62) are fixedly connected to the periphery of the rotating rod (6), the two cleaning rods (62) are respectively positioned on one sides, close to the supporting seat (5), of the two cleaning rods (61), and one ends, away from the rotating rod (6), of the cleaning rods (62) are fixedly connected with blowing pipes (621) used for blowing air to the cylinder wall;
the periphery of the rotating rod (6) is fixedly connected with two auxiliary rods (63), the auxiliary rods (63) are respectively positioned on one sides, away from the supporting seat (5), of the two cleaning rods (61), one ends, away from the rotating rod (6), of the auxiliary rods (63) are fixedly connected with auxiliary pipes (631) used for blowing air to the cylinder wall, air blowing pipes (64) are fixedly connected to the air blowing pipes (621) and the auxiliary pipes (631), and one ends, away from the rotating rod (6), of the air blowing pipes (64) are obliquely arranged towards the direction close to the brush plate (611);
when the support base (5) slides towards the direction close to the profile cylinder (2), the air blowing pipe (621) blows air, and when the support base (5) slides towards the direction away from the profile cylinder (2), the auxiliary pipe (631) blows air.
2. The centrifugal caster according to claim 1, characterized in that: the end part of the rotating rod (6) is fixedly connected with a connecting plate (7) with the length direction arranged along the radial direction of the rotating rod (6), two sides of the connecting plate (7) corresponding to the rotating rod (6) are provided with hydraulic cylinders (91), the connecting plate (7) is provided with a fan (8) rotating around the axis of the rotating rod (6), the positions of the fan (8) close to the two ends of the connecting plate (7) are respectively and fixedly connected with an air inlet pipe (81) and an air outlet pipe (82), the positions of the connecting plate (7) close to the two ends are provided with two sliding pipes (83) capable of sliding along the length direction of the connecting plate (7), one ends of the two sliding pipes (83) which are mutually deviated are fixedly connected with elastic pipes (66), the auxiliary pipes (631) and the air blowing pipes (621) are both fixedly connected with connecting pipes (65), one of the elastic pipes (66) is, the other elastic pipe (66) is fixedly connected with the two connecting pipes (65) on the two air blowing pipes (621).
3. The centrifugal caster according to claim 1, characterized in that: holding tank (67) has been seted up to the one end that dwang (6) deviates from supporting seat (5), is provided with adjusting motor (671) of fixed connection on dwang (6) in the middle of holding tank (67), and adjusting motor (671) are used for driving fan (8) and rotate.
4. The centrifugal caster according to claim 2, wherein: one side of the connecting plate (7) departing from the rotating rod (6) is provided with two sliding grooves (71), the sliding grooves (71) are respectively positioned at two sides of the fan (8), sliding blocks (84) capable of sliding in the sliding grooves (71) along the length direction of the connecting plate (7) are respectively arranged in the two sliding grooves (71), the two sliding blocks (84) are respectively and fixedly connected to the two sliding pipes (83), and one sides of the two sliding blocks (84) which are mutually deviated are fixedly connected with springs (841) in a compression state;
one side that two sliding tray (71) are close to each other has all been seted up and has been stepped down hole (73), the axis direction through connection board (7) of dwang (6) are followed in hole (73) of stepping down, be provided with in the middle of the hole (73) along the gliding regulating block (9) of dwang (6) axis direction, pneumatic cylinder (91) drive regulating block (9) slide, regulating block (9) are close to sliding tray (71) one side and are provided with the inclined plane, the one side orientation that two inclined planes deviate from each other deviates from the direction slope setting of sliding tray (71).
5. The centrifugal caster according to claim 2, wherein: the inner sides of the ends, deviating from each other, of the air inlet pipe (81) and the air outlet pipe (82) are provided with conical surfaces, the outer sides, close to one end, of the two sliding pipes (83) are also provided with conical surfaces, and the conical surfaces on the two sliding pipes (83) are matched with the conical surfaces on the air inlet pipe (81) and the air outlet pipe (82) respectively.
6. A roll casting process using the centrifugal casting machine according to claim 4, characterized in that: the method comprises the following steps:
a. melting materials: respectively feeding the low-carbon steel required for the first layer of casting, the nodular cast iron used for the second layer of casting and the core part casting into a melting tank for melting;
b. coating a release agent: uniformly coating a release agent on the inner side wall of the molding cylinder (2);
c. casting a first layer: installing two mold covers at two ends of a mold cylinder (2), pouring 1600 ℃ low-carbon steel molten iron into the mold cylinder (2), starting to rotate the mold cylinder (2), and quickly scattering glass slag into the mold cylinder (2) when the rotating speed of the mold cylinder (2) reaches 800-;
d. casting a second layer: glass slag is scattered into the molding cylinder (2), and after the molding cylinder is operated for 1min-2min, 1500 ℃ ductile cast iron molten iron is rapidly poured;
e. core casting: after the second layer of casting is finished, the molding cylinder (2) rotates for 4min-5min, when the temperature of molten iron in the molding cylinder (2) reaches 1100 ℃, the core part is cast, and molten ductile iron is poured into the molding cylinder (2) during casting;
f. and (3) cooling and forming: cooling and forming the molten iron in the process of rotating the molding cylinder (2);
g. demolding and unloading: disassembling the die covers at the two ends of the molding cylinder (2) from the molding cylinder (2), and then ejecting the roller which is molded in the molding cylinder (2);
h. cleaning the profile cylinder (2): the supporting table (3) is pushed to one side of the base (1), then the sliding supporting seat (5) slides towards the direction close to the profile cylinder (2), so that the cleaning rod (61) is located in the profile cylinder (2), then the rotating motor (51) drives the rotating rod (6) to rotate, when the supporting seat (5) slides towards the direction close to the profile cylinder (2), the air blowing pipe (621) is communicated with the air outlet pipe (82) of the fan (8), and the air blowing pipe (621) blows towards the inner wall of the profile cylinder (2); when cleaning pole (61) is located type section of thick bamboo (2) and deviates from supporting seat (5) one end, pneumatic cylinder (91) promote regulating block (9) to slide towards the direction that deviates from supporting seat (5), promote two slip pipes (83) through the inclined plane and slide towards the direction that deviates from each other, then fan (8) rotate 180, pneumatic cylinder (91) drive regulating block (9) and slide towards the direction that is close to supporting seat (5), insert respectively in the middle of intake pipe (81) and outlet duct (82) under the effect of spring (841) two slip pipes (83), make outlet duct (82) and auxiliary pipe (631) communicate each other, in the middle of the gliding process of direction that deviates from type section of thick bamboo (2) in supporting seat (5) orientation, auxiliary pipe (631) blow towards the inner wall, after the clearance finishes, the casting of next roll.
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