CN114854973A - Vertical annealing equipment for nodular cast iron pipe - Google Patents
Vertical annealing equipment for nodular cast iron pipe Download PDFInfo
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- CN114854973A CN114854973A CN202210449699.4A CN202210449699A CN114854973A CN 114854973 A CN114854973 A CN 114854973A CN 202210449699 A CN202210449699 A CN 202210449699A CN 114854973 A CN114854973 A CN 114854973A
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- fixedly connected
- iron pipe
- nodular cast
- cast iron
- annealing
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- 238000000137 annealing Methods 0.000 title claims abstract description 92
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 88
- 229910052742 iron Inorganic materials 0.000 abstract description 44
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to the technical field of heat treatment of cast pipes, in particular to vertical annealing equipment for a nodular cast iron pipe, which comprises an annealing furnace, wherein a fixed seat is fixedly connected to the position, close to the top end, of the annular outer surface of the annealing furnace, slide rods are symmetrically and fixedly connected to the front and the back of the upper end surface of the fixed seat, a top plate is fixedly connected to the top end of the slide rod, a driving mechanism is arranged between the top plate and the fixed seat, the structure of the device can automatically feed the nodular cast iron pipe into the annealing furnace for annealing without manual operation, can clamp and fix iron pipes with different sizes, has good clamping effect, cannot shield the outer surface of the iron pipe to influence the local annealing effect, can drive the iron pipe to rotate at a constant speed during annealing operation of the nodular cast iron pipe, can also drive the iron pipe to rotate, and can ensure that a plurality of iron pipes still have good heating effect during annealing, and the heating is more uniform, thereby ensuring the annealing quality of the iron pipe.
Description
Technical Field
The invention relates to the technical field of heat treatment of cast tubes, in particular to vertical annealing equipment for a nodular cast tube.
Background
The nodular cast iron pipe is a pipe which is formed by adding a nodulizer into cast molten iron above No. 18 and then centrifugally casting the molten iron at a high speed by a centrifugal nodular cast iron machine, and is called a nodular cast iron pipe, a nodular cast iron pipe and the like for short. The material is mainly used for conveying tap water and is an ideal selective material for tap water pipelines. The national standard has certain requirements on the elongation of the nodular cast iron pipe, usually 10 percent, and in order to improve the elongation of the nodular cast iron pipe, annealing treatment is usually carried out in a high-temperature continuous annealing furnace to reduce the deformation and crack tendency;
the traditional annealing heating mode of the nodular cast iron pipe is generally a horizontal furnace, the occupied area is large, when the nodular cast iron pipe is conveyed, the bottom of the nodular cast iron pipe is generally contacted with a furnace bottom roller, so that the local heating of the nodular cast iron pipe is uneven, and the annealing effect is influenced.
Therefore, a vertical annealing device for the nodular cast iron pipe is provided.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a vertical annealing facility for a nodular cast iron pipe.
In order to achieve the purpose, the invention provides the following technical scheme: a vertical annealing device for a nodular cast iron pipe comprises an annealing furnace, wherein a fixed seat is fixedly connected to the position, close to the top end, of the annular outer surface of the annealing furnace;
the upper end face of the fixed seat is symmetrically and fixedly connected with sliding rods in front and back, the top end of each sliding rod is fixedly connected with a top plate, and a driving mechanism is arranged between each top plate and the corresponding fixed seat.
Preferably, the outer surface of the annealing furnace is fixedly connected with a heat insulation plate, and a plurality of groups of threaded holes are formed in the circumference of the upper end face of the fixing seat at equal intervals.
Preferably, the driving mechanism comprises a screw rod, a first motor, a driving plate, a first fixing ring, a second fixing ring, a through groove and a clamping assembly;
the utility model discloses a lead screw, including roof, fixing base, drive plate, fixed ring two, four groups of logical grooves are seted up to the upper end circumference equidistance of fixed ring two, the relative one side surface left and right sides of roof and fixing base is rotated through the bearing and is connected with the lead screw, the position screw drive that the surface of lead screw is close to the top is connected with the drive plate, the upper end of roof corresponds the position fixedly connected with motor one of lead screw, a motor output shaft and lead screw fixed connection, the fixed ring one of embedded fixedly connected with is put to the inside central point of drive plate, the annular internal surface of fixed ring one is rotated through the bearing and is connected with fixed ring two, the up end circumference equidistance of fixed ring two runs through and has seted up four groups of logical grooves, the internal surface that leads to the groove rotates through the bearing and is connected with the centre gripping subassembly.
Preferably, the clamping assembly comprises a central column, a rotary groove III, a transmission shaft, a motor II and a bevel gear I;
the inner surface of the through groove is rotatably connected with a center column through a bearing, a third rotating groove is formed in the center of the upper end face of the center column, the inner surface of the third rotating groove is rotatably connected with a transmission shaft through a bearing, a second motor is fixedly connected to the center of the upper end face of the center column, an output shaft of the second motor is fixedly connected with the transmission shaft, and a first conical gear is fixedly connected to the bottom end of the transmission shaft.
Preferably, the clamping assembly further comprises a fourth rotating groove, a sleeve, a push rod, a supporting block and a second bevel gear;
four groups of rotary grooves IV are equidistantly formed in the position, close to the bottoms of the rotary grooves III, of the annular outer surface of the central column, and the rotary grooves IV are communicated with the rotary grooves III;
and the internal surface of the fourth rotating groove is rotatably connected with a sleeve through a bearing, the internal surface of the sleeve is in spiral transmission connection with a push rod, the push rod is far away from the third rotating groove and is fixedly connected with a supporting block, one end of the sleeve, far away from the supporting block, is fixedly connected with a second conical gear, and the second conical gear is meshed with the first conical gear.
Preferably, the number of the supporting blocks is four, and the four groups of supporting blocks are equidistantly distributed on the circumference by taking the center of the central column as a midpoint;
and the supporting block is designed into an arc-shaped mechanism, and the outer surface of one side of the supporting block, which is far away from the push rod, is provided with anti-skid grains.
Preferably, the push rod and the sleeve are in T-shaped structural design and are matched with each other, and the push rod and the sleeve are in spiral transmission connection;
the cross sections of the positions where the push rod and the central column are matched with each other are square and are in sliding connection with each other.
Preferably, a third motor is fixedly connected to a position, close to the right side, of the upper end face of the driving plate, a third conical gear is fixedly connected to the left end of an output shaft of the third motor, a first toothed ring is fixedly connected to the upper end face of the second fixing ring, and the first toothed ring and the third conical gear are meshed with each other.
Preferably, the position, close to the lower part of the second fixing ring, of the annular outer surface of the central column is fixedly connected with a baffle, the annular outer surface of the baffle is provided with conical teeth, and the position, close to the top end, of the inner surface of the annealing furnace is fixedly connected with a second toothed ring.
Preferably, the lower end surface of the driving plate is fixedly connected with a sealing ring at a position close to the outer side of the fixing ring, and the sealing ring and the fire hole of the annealing furnace are both in T-shaped structural design and are matched with each other.
Compared with the prior art, the invention has the beneficial effects that:
1. by adding the driving mechanism and the clamping assembly into the device, the nodular cast iron pipe can be automatically conveyed into an annealing furnace for annealing without manual operation, the iron pipes with different sizes can be clamped and fixed, the clamping effect is good, and the outer surface of the iron pipe cannot be shielded to influence the local annealing effect;
2. through a series of structural component at ring gear one and ring gear second grade, can enough be when carrying out annealing operation to nodular cast-iron pipe, drive iron pipe at the uniform velocity rotatory, can also drive it and take place the rotation, when having guaranteed to the annealing of multiunit iron pipe, still have better effect of being heated, and it is more even to be heated, has guaranteed the annealing quality to the iron pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is an overall front cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a front cross-sectional view of the clamping assembly of the present invention;
FIG. 6 is an enlarged view at C of FIG. 5 of the present invention;
fig. 7 is a cross-sectional view D-D of fig. 5 of the present invention.
Description of reference numerals:
1. an annealing furnace; 11. a fixed seat; 12. a slide bar; 13. a top plate; 21. a heat insulation plate; 22. a threaded hole; 3. a drive mechanism; 31. a screw rod; 32. a first motor; 33. a drive plate; 41. a first fixing ring; 42. a second fixing ring; 43. a through groove; 5. a clamping assembly; 51. a central column; 52. rotating the third groove; 53. a drive shaft; 54. a second motor; 55. a first conical gear; 56. rotating the groove four; 57. a sleeve; 58. a push rod; 59. a support block; 510. a second bevel gear; 6. a seal ring; 71. a third motor; 72. a third bevel gear; 73. a first toothed ring; 81. a baffle plate; 82. and a second toothed ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution:
the utility model provides a vertical annealing equipment for nodular cast tube, includes annealing stove 1, the annular surface of annealing stove 1 is close to the position fixedly connected with fixing base 11 on top, symmetry fixedly connected with slide bar 12 around the up end of fixing base 11, the top fixedly connected with roof 13 of slide bar 12, be provided with actuating mechanism 3 between roof 13 and the fixing base 11, the outer fixed surface of annealing stove 1 is connected with heat insulating board 21, a plurality of groups screw hole 22 have been seted up to the up end circumference equidistance of fixing base 11.
Through adopting the above technical scheme, in operation, bury annealing stove 1 underground, pass screw hole 22 through the bolt and couple together fixing base 11 and ground base screw thread fixed connection, thereby the position of whole annealing equipment has been fixed, bury annealing stove 1 underground, and its external surface fixedly connected with heat insulating board 21, can reduce greatly that the heat of annealing stove 1 inside scatters and disappears, it is effectual to keep warm, heat up soon, and the work efficiency is improved, and the area of whole annealing equipment is greatly reduced again, can put into annealing stove 1 inside with nodular cast iron pipe automatically through control actuating mechanism 3, and anneal of high quality, and efficient soon.
As an embodiment of the present invention, as shown in fig. 2, 3 and 4, the driving mechanism 3 includes a screw 31, a first motor 32, a driving plate 33, a first fixing ring 41, a second fixing ring 42, a through slot 43, and a clamping assembly 5;
the utility model discloses a clamping assembly, including roof 13, fixing base 11, lead screw 31, drive plate 33, the position screw drive that the relative one side surface left and right sides of roof 13 and fixing base 11 is connected with through the bearing rotation, the position screw drive that the surface of lead screw 31 is close to the top is connected with drive plate 33, the up end of roof 13 corresponds the position fixedly connected with motor 32 of lead screw 31, motor 32 output shaft and lead screw 31 fixed connection, the fixed ring 41 of embedded fixedly connected with is put to the inside central point of drive plate 33, the annular internal surface of fixed ring 41 rotates through the bearing and is connected with fixed ring two 42, the up end circumference equidistance of fixed ring two 42 is run through and has been seted up four groups and lead to groove 43, the internal surface that leads to groove 43 rotates through the bearing and is connected with centre gripping subassembly 5.
Through adopting above-mentioned technical scheme, the during operation, through centre gripping subassembly 5 with the vertical clamp of nodular cast-iron pipe, control motor 32 is rotatory, drives lead screw 31 through the output shaft and rotates, because lead screw 31 is connected with drive plate 33 spiral transmission, then can drive plate 33 and slide along slide bar 12 lapse to can drive solid fixed ring one 41 and solid fixed ring two 42 lapse, and then drive the inside annealing treatment that carries out of multiunit iron pipe lapse to annealing stove 1, need not dependent manual operation, work efficiency is high.
As an embodiment of the present invention, as shown in fig. 4, 5, 6 and 7, the clamping assembly 5 includes a central column 51, a third rotating groove 52, a transmission shaft 53, a second motor 54 and a first conical gear 55, the inner surface of the through groove 43 is rotatably connected to the central column 51 through a bearing, the third rotating groove 52 is disposed at the center of the upper end surface of the central column 51, the transmission shaft 53 is rotatably connected to the inner surface of the third rotating groove 52 through a bearing, the second motor 54 is fixedly connected to the center of the upper end surface of the central column 51, the output shaft of the second motor 54 is fixedly connected to the transmission shaft 53, the first conical gear 55 is fixedly connected to the bottom end of the transmission shaft 53, the clamping assembly 5 further includes a fourth rotating groove 56, a sleeve 57, a push rod 58, a supporting block 59 and a second conical gear 510, four sets of the fourth rotating groove 56 are equidistantly disposed at a position of the annular outer surface of the central column 51 near the bottom of the third rotating groove 52, the fourth rotary groove 56 is communicated with the third rotary groove 52, the inner surface of the fourth rotary groove 56 is rotatably connected with a sleeve 57 through a bearing, a push rod 58 is connected to the inner surface of the sleeve 57 in a spiral transmission manner, a supporting block 59 is fixedly connected to the position, far away from the third rotating groove 52, of the push rod 58, a conical gear II 510 is fixedly connected to one end, far away from the supporting block 59, of the sleeve 57, the second conical gear 510 and the first conical gear 55 are meshed with each other, the number of the supporting blocks 59 is four, the four groups of the supporting blocks 59 are circumferentially distributed at equal intervals by taking the center of the central column 51 as a midpoint, the supporting block 59 is designed to be an arc-shaped mechanism, the outer surface of one side of the supporting block, which is far away from the push rod 58, is provided with anti-skid grains, the push rod 58 and the sleeve 57 are designed to be in a T-shaped structure and matched with each other, the push rod 58 and the central column 51 are in screw transmission connection, the cross sections of the mutually matched positions of the push rod and the central column are mutually matched in a square shape, and the push rod and the central column are in sliding connection.
By adopting the technical scheme, when the ductile cast iron pipe needs to be fixed and sent into the annealing furnace 1, only the pipe orifice of the ductile cast iron pipe is sleeved on the outer surface of the central column 51, the motor II 54 is controlled to rotate, so that the transmission shaft 53 is driven to rotate through the output shaft, the bevel gear I55 is driven to rotate, the bevel gear II 510 can be driven to rotate due to the meshing connection of the bevel gear I55 and the bevel gear II 510, and then the four groups of sleeves 57 are driven to rotate, because the sleeves 57 and the push rods 58 are in spiral transmission connection, and the cross sections of the matching positions of the push rods 58 and the central column 51 are in a square structural design, the push rods 58 can be driven to drive the supporting blocks 59 to move towards the direction close to the inner wall of the iron pipe, when the supporting blocks are in contact with the inner wall of the iron pipe, the iron pipe can be firmly supported, so that the position of the iron pipe is fixed, and the supporting blocks 59 are designed to be in an arc mechanism so that the supporting blocks are in contact with the inner wall of the iron pipe more closely, through having seted up anti-skidding line and improved the frictional force between bracer 59 and the iron pipe inner wall greatly to improved fixed effect, this centre gripping subassembly 5 can carry out the centre gripping to the iron pipe of not unidimensional size fixedly, and whole practicality is strong.
As an embodiment of the present invention, as shown in fig. 2, 3 and 5, a third motor 71 is fixedly connected to a position on the upper end surface of the driving plate 33 close to the right side, a third conical gear 72 is fixedly connected to the left end of the output shaft of the third motor 71, a first toothed ring 73 is fixedly connected to the upper end surface of the second fixed ring 42, the first toothed ring 73 and the third conical gear 72 are engaged with each other, a baffle 81 is fixedly connected to a position on the annular outer surface of the central column 51 close to the lower side of the second fixed ring 42, conical teeth are formed on the annular outer surface of the baffle 81, a second toothed ring 82 is fixedly connected to a position on the inner surface of the annealing furnace 1 close to the top end, a sealing ring 6 is fixedly connected to a position on the lower end surface of the driving plate 33 close to the outer side of the first fixed ring 41, and the sealing ring 6 and the furnace mouth of the annealing furnace 1 are both designed in a T-shaped structure and matched with each other.
By adopting the technical scheme, after the iron pipe is clamped, the iron pipe is moved downwards to the inside of the annealing furnace 1 through the driving mechanism 3, the sealing ring 6 can be driven to move downwards in the process that the driving plate 33 moves downwards, when the sealing ring 6 is attached to the intersection of the annealing furnace 1, the annealing furnace 1 is sealed, the heat loss during annealing is reduced, the baffle 81 on the outer surface of the central column 51 can be driven to move downwards in the process that the clamping assembly 5 moves downwards, the baffle 81 has a limiting effect on the iron pipe, the conical teeth are arranged on the annular outer surface of the baffle 81, when the baffle moves downwards to the inside of the annealing furnace 1, the baffle is just meshed with the gear ring two 82 on the inner surface of the annealing furnace 1 close to the top end position, the motor three 71 is controlled to rotate, the conical gear three 72 is driven to rotate through the output shaft, and the gear ring one 73 can be driven to rotate due to the mutual meshing of the conical gear three 72 and the gear ring one 73, and then drive two 42 rotations of fixed ring of fixed connection with it, thereby can drive the embedded centre gripping subassembly 5 of fixing in its inside rotatory, it is rotatory at the uniform velocity at the annealing stove 1 inside to drive the iron pipe, it is more even to make the iron pipe be heated in its inside, when baffle 81 follows centre gripping subassembly 5 around two 42 center pins of fixed ring at the uniform velocity rotatory, because baffle 81 and two 82 intermeshing of ring gear, cause centre gripping subassembly 5 can take place the rotation when doing the circular motion, and then make the iron pipe that is held take place the rotation, guaranteed that each face of iron pipe can both fully contact with the inside flame of annealing stove 1, pivoted iron pipe can homogenize the inside high temperature air current of annealing stove 1 simultaneously, great improvement annealing effect, annealing quality has been guaranteed.
The working principle is as follows: when the annealing furnace 1 is in operation, the annealing furnace 1 is buried underground, the fixed seat 11 is fixedly connected with the ground base through the screw bolt penetrating through the threaded hole 22, so that the position of the whole annealing device is fixed, the annealing furnace 1 is buried underground, the outer surface of the annealing furnace 1 is fixedly connected with the heat insulation plate 21, heat dissipation inside the annealing furnace 1 can be greatly reduced, the heat insulation effect is good, the temperature rise is fast, the working efficiency is improved, and the floor area of the whole annealing device is greatly reduced, when a ductile cast iron pipe needs to be fixed and sent into the annealing furnace 1, only the pipe orifice of the iron pipe is sleeved on the outer surface of the central column 51, the second motor 54 is controlled to rotate, so that the transmission shaft 53 is driven to rotate through the output shaft, the first bevel gear 55 is driven to rotate, and because the first bevel gear 55 is meshed with the second bevel gear 510, the second bevel gear 510 can be driven to rotate, and then the four groups of sleeves 57 are driven to rotate, because the sleeve 57 is in spiral transmission connection with the push rod 58, and the cross section of the matching position of the push rod 58 and the central column 51 is in a square structural design, the push rod 58 can be driven to drive the supporting block 59 to move towards the direction close to the inner wall of the iron pipe, when the supporting block is in contact with the inner wall of the iron pipe, the iron pipe can be firmly supported, so that the position of the iron pipe is fixed, the supporting block 59 is designed to be an arc-shaped mechanism so that the supporting block can be in contact with the inner wall of the iron pipe more tightly, the friction force between the supporting block 59 and the inner wall of the iron pipe is greatly improved by arranging the anti-skidding lines, so that the fixing effect is improved, the clamping component 5 can clamp and fix the iron pipes with different sizes, the whole practicability is strong, the first control motor 32 rotates, the lead screw 31 is driven by the output shaft to rotate, and the drive plate 33 can be driven to slide downwards along the slide rod 12 due to the spiral transmission connection between the lead screw 31 and the drive plate 33, thereby driving the first fixing ring 41 and the second fixing ring 42 to move downwards, further driving a plurality of groups of iron pipes to move downwards to the inside of the annealing furnace 1 for annealing treatment, driving the sealing ring 6 to move downwards in the process of moving the driving plate 33 downwards, completing the annealing furnace 1 when the sealing ring 6 is attached to the intersection of the annealing furnace 1, reducing heat loss during annealing, driving the baffle 81 on the outer surface of the central column 51 to move downwards in the process of moving the clamping assembly 5 downwards, limiting the iron pipes by the baffle 81, forming conical teeth on the outer annular surface of the baffle, meshing with the second tooth ring 82 on the inner surface of the annealing furnace 1 close to the top end when moving downwards to the inside of the annealing furnace 1, controlling the motor three 71 to rotate, driving the third conical gear 72 to rotate through the output shaft, and meshing the third conical gear 72 with the first tooth ring 73, then can drive the ring gear 73 rotatory, and then it is rotatory to drive two 42 solid fixed ring of fixed connection with it, thereby can drive embedded fixing and fix its inside centre gripping subassembly 5 rotatory, it is rotatory at the uniform velocity at the annealing stove 1 inside to drive the iron pipe, make the iron pipe be heated more evenly in its inside, when baffle 81 follows centre gripping subassembly 5 around two 42 center pins of solid fixed ring at the uniform velocity when rotatory, because baffle 81 and two 82 intermeshing of ring gear, cause centre gripping subassembly 5 can take place the rotation when being circular motion, and then make the iron pipe by the centre gripping take place the rotation, guaranteed that each face of iron pipe can both fully contact with the inside flame of annealing stove 1, pivoted iron pipe can homogenize the inside high temperature air current of annealing stove 1 simultaneously, great improvement annealing effect, annealing quality has been guaranteed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a vertical annealing equipment for nodular cast iron pipe, includes annealing stove (1), its characterized in that: a fixed seat (11) is fixedly connected to the position, close to the top end, of the annular outer surface of the annealing furnace (1);
the front and back of the upper end face of the fixed seat (11) are fixedly connected with sliding rods (12) symmetrically, the top end of each sliding rod (12) is fixedly connected with a top plate (13), and a driving mechanism (3) is arranged between each top plate (13) and the corresponding fixed seat (11).
2. The vertical annealing apparatus for the nodular cast iron pipe according to claim 1, wherein: the outer surface of the annealing furnace (1) is fixedly connected with a heat insulation plate (21), and a plurality of groups of threaded holes (22) are formed in the circumference of the upper end face of the fixing seat (11) at equal intervals.
3. The vertical annealing apparatus for the nodular cast iron pipe according to claim 1, wherein: the driving mechanism (3) comprises a screw rod (31), a first motor (32), a driving plate (33), a first fixing ring (41), a second fixing ring (42), a through groove (43) and a clamping assembly (5);
roof (13) and the relative one side surface left and right sides of fixing base (11) are rotated through the bearing and are connected with lead screw (31), the position screw drive that the surface of lead screw (31) is close to the top is connected with drive plate (33), the up end of roof (13) corresponds the position fixedly connected with motor (32) of lead screw (31), motor (32) output shaft and lead screw (31) fixed connection, the inside central point of drive plate (33) puts embedded fixedly connected with solid fixed ring (41), the annular internal surface of solid fixed ring (41) is rotated through the bearing and is connected with solid fixed ring two (42), the up end circumference equidistance of solid fixed ring two (42) is run through and is seted up four groups and lead to groove (43), the internal surface that leads to groove (43) is rotated through the bearing and is connected with centre gripping subassembly (5).
4. The vertical annealing apparatus for the nodular cast iron pipe according to claim 3, wherein: the clamping assembly (5) comprises a central column (51), a rotary groove III (52), a transmission shaft (53), a motor II (54) and a bevel gear I (55);
the inner surface of the through groove (43) is rotatably connected with a center post (51) through a bearing, a third rotating groove (52) is formed in the center of the upper end face of the center post (51), the inner surface of the third rotating groove (52) is rotatably connected with a transmission shaft (53) through a bearing, a second motor (54) is fixedly connected to the center of the upper end face of the center post (51), an output shaft of the second motor (54) is fixedly connected with the transmission shaft (53), and a first bevel gear (55) is fixedly connected to the bottom end of the transmission shaft (53).
5. The vertical annealing apparatus for a nodular cast iron of claim 4, wherein: the clamping assembly (5) further comprises a fourth rotary groove (56), a sleeve (57), a push rod (58), a supporting block (59) and a second bevel gear (510);
four groups of rotating grooves four (56) are formed in the position, close to the bottom of the rotating groove three (52), of the annular outer surface of the central column (51) at equal intervals on the circumference, and the rotating grooves four (56) are communicated with the rotating groove three (52);
and the internal surface of the fourth rotating groove (56) is connected with a sleeve (57) through a bearing in a rotating mode, the internal surface of the sleeve (57) is connected with a push rod (58) in a spiral transmission mode, the push rod (58) is far away from the third rotating groove (52) and is fixedly connected with a supporting block (59), one end of the sleeve (57) far away from the supporting block (59) is fixedly connected with a second conical gear (510), and the second conical gear (510) is meshed with the first conical gear (55).
6. The vertical annealing apparatus for the nodular cast iron pipe according to claim 5, wherein: the number of the supporting blocks (59) is four, and the four groups of supporting blocks (59) are circumferentially and equidistantly distributed by taking the center of the central column (51) as a midpoint;
and the supporting block (59) is designed to be an arc-shaped mechanism, and the outer surface of one side of the supporting block, which is far away from the push rod (58), is provided with anti-skid grains.
7. The vertical annealing apparatus for the nodular cast iron pipe according to claim 5, wherein: the push rod (58) and the sleeve (57) are in T-shaped structural design and are matched with each other, and the push rod and the sleeve are in spiral transmission connection;
the cross sections of the positions where the push rod (58) and the center post (51) are matched with each other are square and matched with each other, and the push rod and the center post are connected in a sliding mode.
8. The vertical annealing apparatus for the nodular cast iron pipe according to claim 3, wherein: the upper end face of the driving plate (33) is fixedly connected with a third motor (71) close to the right side, the left end of an output shaft of the third motor (71) is fixedly connected with a third bevel gear (72), the upper end face of the second fixing ring (42) is fixedly connected with a first gear ring (73), and the first gear ring (73) and the third bevel gear (72) are meshed with each other.
9. The vertical annealing apparatus for a nodular cast iron of claim 8, wherein: the position of the annular outer surface of the central column (51) close to the lower portion of the second fixing ring (42) is fixedly connected with a baffle (81), the annular outer surface of the baffle (81) is provided with conical teeth, and the position of the inner surface of the annealing furnace (1) close to the top end is fixedly connected with a second toothed ring (82).
10. The vertical annealing apparatus for a nodular cast iron of claim 3, wherein: the position fixedly connected with sealing washer (6) that the lower terminal surface of drive plate (33) is close to solid fixed ring one (41) outside, sealing washer (6) and annealing stove (1) fire door are T type structural design and match each other.
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| CN202210449699.4A CN114854973B (en) | 2022-04-26 | 2022-04-26 | Vertical annealing equipment for spheroidal graphite cast tube |
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| CN202210449699.4A CN114854973B (en) | 2022-04-26 | 2022-04-26 | Vertical annealing equipment for spheroidal graphite cast tube |
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| CN114854973B CN114854973B (en) | 2024-05-31 |
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| CN114854973B (en) | 2024-05-31 |
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