CN115261588B - Online annealing heat treatment equipment for steel pipe - Google Patents
Online annealing heat treatment equipment for steel pipe Download PDFInfo
- Publication number
- CN115261588B CN115261588B CN202210991385.7A CN202210991385A CN115261588B CN 115261588 B CN115261588 B CN 115261588B CN 202210991385 A CN202210991385 A CN 202210991385A CN 115261588 B CN115261588 B CN 115261588B
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- supporting
- annealing
- heat treatment
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
Abstract
The invention discloses steel pipe on-line annealing heat treatment equipment, which relates to the technical field of steel pipe on-line annealing heat treatment and comprises an annealing furnace and a supporting mechanism, wherein the two axial ends of a connecting rod are respectively and fixedly connected with the side walls of two supporting plates, the two supporting plates are respectively and rotatably arranged in a communication hole, a plurality of annular drawing holes which are uniformly distributed at intervals are formed in the supporting plates, annular supporting frames are arranged at the end parts of the supporting rods, the end parts of the supporting rods slidingly extend into T-shaped grooves and are fixedly connected with T-shaped sliding blocks which are in sliding clamping connection with the inside of the T-shaped grooves, the first tooth blocks are meshed with racks, and conveying threads are formed in the inner walls of the annular supporting frames. The steel pipe support frame consisting of the two support plates and the connecting rod is arranged in the annealing cavity of the annealing furnace in a rolling way, the steel pipe is fed along the interior of the drawing hole and is subjected to annealing heat treatment through the annealing cavity, and the steel pipe support frame rotates in the annealing cavity, so that the steel pipe in each drawing hole can be automatically transmitted and fed, labor can be saved, and the annealing heat treatment operation of the steel pipe can be ensured.
Description
Technical Field
The invention relates to the technical field of steel pipe online annealing heat treatment, in particular to steel pipe online annealing heat treatment equipment.
Background
Annealing is a metal heat treatment process, and mainly aims to reduce the hardness of metal and improve the machinability of metal, when a steel pipe is annealed at present, firstly, the steel pipe needs to be manually placed into an annealing furnace, then the steel pipe is heated by the annealing furnace, when the steel pipe is heated to a certain temperature, the annealing furnace stops heating, and as the steel pipe is slowly cooled, after the annealing heat treatment of the steel pipe is completed, the steel pipe is taken out of the annealing furnace, so that the annealing heat treatment of the steel pipe is realized, however, in the annealing process, the steel pipe which is placed into the annealing furnace needs to be manually fed along the annealing furnace, and the steel pipe needs to be manually taken out of the annealing furnace, so that the labor intensity is high, and the working efficiency is low, and therefore, the steel pipe online annealing heat treatment equipment is designed.
Disclosure of Invention
The invention aims to provide steel pipe on-line annealing heat treatment equipment so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the steel pipe on-line annealing heat treatment equipment comprises an annealing furnace and a supporting mechanism, wherein an annealing cavity is arranged in the annealing furnace and is used as a steel pipe annealing heat treatment place.
An annular electric heating plate for heating is fixedly embedded in the inner wall of the annealing cavity, and is electrified to quickly generate heat, so that annealing heat treatment is carried out on the steel pipe passing through the annealing cavity.
The two ends of the annealing furnace are provided with communication holes communicated with the annealing cavity, the supporting mechanism comprises two supporting plates and a connecting rod, the two axial ends of the connecting rod are fixedly connected with the side walls of the two supporting plates respectively, the two supporting plates are fixedly connected through the connecting rod to form a steel pipe supporting frame for supporting the steel pipe to carry out annealing heat treatment operation.
The two supporting plates are respectively arranged in the communication holes in a rotating mode, one end of each supporting plate, far away from each connecting rod, rotates to penetrate through the communication holes, radially extends to form an extension plate capable of being rotationally attached to the side wall of the end portion of the annealing furnace, a plurality of annular evenly-spaced drawing holes are formed in each supporting plate, the steel pipe supporting frames consisting of the two supporting plates and the connecting rods are rotationally arranged in the two communication holes, in order to facilitate steel pipe insertion into the drawing holes, the steel pipe supporting frames rotate in the two communication holes, the steel pipe is inserted into the drawing holes at the lowest position, the steel pipe supporting frames rotate continuously until all the drawing holes are fully inserted into the steel pipe, and therefore the labor intensity of workers is reduced.
Utilize the extension dish to rotate the laminating at the tip lateral wall of annealing stove, neither influence the supporting disk and rotate in the intercommunicating pore, can avoid the supporting disk to break away from the intercommunicating pore simultaneously, avoid steel pipe support frame one end to break away from the intercommunicating pore promptly, lead to the unable effective conveying of steel pipe to carry out annealing heat treatment operation, influence the batch annealing heat treatment efficiency of steel pipe.
The outer wall of connecting rod is fixed to be equipped with a plurality of groups bracing piece, and every group bracing piece all includes a plurality of and uses the connecting rod to be annular even interval distribution as the center, and the tip of bracing piece is equipped with annular supporting frame, enters into annealing intracavity after the steel pipe from one of them draw downthehole, runs through a plurality of annular supporting frame that coaxial corresponds in proper order, can effectively support and convey the steel pipe that the steel pipe got into annealing intracavity to can ensure that the steel pipe can be conveyed along draw hole axial direction, until running through another draw hole that corresponds, accomplish annealing heat treatment operation.
The radial outer wall of annular supporting frame has offered the T type groove that is annular structure and distributes, and the tip slip of bracing piece extends to T type inslot portion and fixedly connected with slip joint at the inside T type slider of T type inslot, and the annular supporting frame passes through the bracing piece when the supporting height of annealing intracavity rotation internal adjustment steel pipe, takes place the relative slip between the T type slider of annular supporting frame through T type groove and bracing piece.
The inner wall of annular supporting frame is equipped with the conveying screw thread, is equipped with the conveying screw thread through the inner wall at annular supporting frame, can utilize the conveying screw thread to carry out the conveying operation to the steel pipe that is located annular supporting frame when the annular supporting frame rotates, need not the workman and carries out synchronous conveying operation to every steel pipe in annealing heat treatment in-process, can enough reduce the input of manpower, can improve the efficiency of steel pipe batch pay-off again.
The annealing intracavity wall of annealing stove is fixed and is equipped with a plurality of rack that is annular structure and distributes, the fixed first tooth piece that is annular structure and distributes that is equipped with of outer wall of annular support frame, first tooth piece is located T type groove notch one side, and first tooth piece and rack engagement, steel pipe support frame rotates in annealing intracavity, the connecting rod can drive a plurality of groups bracing piece and use the connecting rod to rotate as the center, annular support frame is synchronous to overturn in annealing intracavity, take place relative slip between the T type slider that annular support frame passes through T type groove and bracing piece promptly, annular support frame follows steel pipe support frame synchronous rotation, can also the rotation, the operation has been sent to the steel pipe, need not manual transfer operation.
In a further embodiment, the supporting mechanism further comprises a motor, the motor is fixedly arranged at one end of the outer wall of the annealing furnace, the power output end of the motor is fixedly connected with a fluted disc, the outer wall of the extension disc at one end of the supporting disc is fixedly provided with a second toothed block meshed with the fluted disc, the motor provides power to drive the fluted disc to rotate, and the rotating fluted disc is meshed with the second toothed block at the end of the supporting disc, so that the supporting disc can rotate in the communication hole, namely, the whole steel tube supporting frame is driven to rotate, and steel tubes are convenient to convey.
In a further embodiment, the drawing holes are coaxially distributed with the annular supporting frame in the same vertical plane, so that the steel pipes can be conveniently and directly fed into the annular supporting frame after passing through the drawing holes, and the inclined state of the steel pipes is avoided.
In a further embodiment, in the process of drawing and feeding the steel pipe along the interior of the drawing hole, large sliding friction force is easily generated between the steel pipe and the inner wall of the drawing hole, a spherical groove is formed in the inner wall of the drawing hole, a first rolling ball capable of rolling and supporting the steel pipe to be heat treated is embedded in the spherical groove in a rotating mode, and the first rolling ball can be in rolling contact with the supported steel pipe, so that sliding resistance of the steel pipe in feeding can be reduced.
In a further embodiment, one end of one of the supporting plates, which is close to the connecting rod, is fixedly provided with an arc stainless steel elastic pressing plate positioned at the opening of the drawing hole, after the steel pipe is observed in the drawing hole, the steel pipe is tightly propped against the drawing hole by utilizing the elasticity of the arc stainless steel elastic pressing plate, so that the outer wall of the steel pipe can be tightly contacted with the conveying screw threads of the inner wall of the corresponding annular supporting frame, and when the annular supporting frame rotates, the steel pipe can be effectively conveyed by the conveying screw threads, the phenomenon of slipping is avoided, and the effective feeding of the steel pipe is influenced.
In a further embodiment, the arc-shaped stainless steel elastic pressing plate is close to the end part of one side wall of the connecting rod, and is internally embedded with a second rolling ball capable of rolling and pressing on the steel pipe to be treated in a rotating mode.
The second rolling balls are arranged in two and are distributed symmetrically left and right, and the two second rolling balls are symmetrically rolled and pressed on the outer wall of the steel pipe, so that the effect of preventing the steel pipe from being separated from the arc stainless steel elastic pressing plate to be pressed and positioned can be achieved.
In a further embodiment, the outer wall bottom end fixing of the annealing furnace is provided with a supporting block, the bottom end fixing of the supporting block is provided with a supporting seat, the annealing furnace is stably supported by the supporting seat, and annealing heat treatment operation is facilitated.
In further embodiments, the feeding mechanism capable of conveying the steel pipe into the drawing hole is arranged at the upper end of the supporting seat, the steel pipe is assisted to be filled into the drawing hole by the feeding mechanism, the steel pipe is prevented from being longer, the quick filling operation of the steel pipe is prevented from being influenced, and the feeding efficiency is improved.
The feeding mechanism comprises two supporting columns, a cross beam is fixedly arranged between the tops of the opposite side walls of the two supporting columns, a connecting sleeve is sleeved on the outer wall of the cross beam, an arc-shaped supporting plate is fixedly arranged on the top end of the outer wall of the connecting sleeve through a push rod, one end of a steel pipe is placed on the upper end face of the arc-shaped supporting plate, then the other end of the steel pipe is lifted to the position where the whole steel pipe is in a horizontal state, the steel pipe and a drawing hole to be inserted are ensured to be coaxially distributed, and the steel pipe can be filled into the drawing hole as long as the steel pipe slides along the upper end face of the arc-shaped supporting plate.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to steel pipe on-line annealing heat treatment equipment, which comprises a steel pipe support frame consisting of two support plates and a connecting rod, wherein the steel pipe support frame is arranged in an annealing cavity of an annealing furnace in a rolling way, steel pipes are fed along the inside of a drawing hole and are subjected to annealing heat treatment through the annealing cavity, and the steel pipe support frame rotates in the annealing cavity, so that the steel pipes fed into each drawing hole can be automatically transmitted without manually feeding the steel pipes put into the annealing furnace along the annealing cavity, the labor intensity is low, and the working efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a semi-sectional view of the defervescing furnace of the present invention;
FIG. 3 is a schematic view of a supporting mechanism according to the present invention;
FIG. 4 is a partial semi-sectional view of the support mechanism of the present invention;
FIG. 5 is a schematic view of a partial structure of a supporting mechanism according to the present invention;
FIG. 6 is a cross-sectional view of an arcuate stainless steel spring platen construction of the present invention;
FIG. 7 is a front view of a partial structure of the annealing furnace and the supporting mechanism of the present invention;
FIG. 8 is a schematic view of a plurality of annular support frames and connecting rods according to the present invention;
FIG. 9 is a side view in cross section of the connecting rod and annular support frame of the present invention;
fig. 10 is a front view in cross section of the structure of the connecting rod and annular support frame of the present invention.
In the figure: 1. a support base; 2. annealing furnace; 21. an annular electric heating plate; 22. a rack; 31. a support plate; 32. a second tooth block; 33. a drawing hole; 34. a motor; 35. fluted disc; 36. a connecting rod; 37. a first ball; 38. an arc stainless steel elastic pressing plate; 39. a second ball; 310. a support rod; 311. an annular supporting frame; 312. a first tooth block; 313. a T-shaped groove; 41. a support column; 42. a cross beam; 43. a connecting sleeve; 44. an arc-shaped supporting plate.
Detailed Description
The following description will clearly and fully describe the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, 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.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 7 and fig. 8, the present embodiment provides an on-line annealing heat treatment device for steel pipes, which comprises an annealing furnace 2 and a supporting mechanism, wherein a supporting block is arranged at the bottom end of the outer wall of the annealing furnace 2, a supporting seat 1 is arranged at the bottom end of the supporting block, the annealing furnace 2 is stably supported by the supporting seat 1, and annealing heat treatment operation is convenient to perform.
An annealing cavity is arranged in the annealing furnace 2 and is used as a steel pipe annealing heat treatment place.
An annular electric heating plate 21 for heating is fixedly embedded in the inner wall of the annealing cavity, the annular electric heating plate 21 is electrified to quickly generate heat, and annealing heat treatment is carried out on the steel pipe passing through the annealing cavity.
The annular electric heating plate 21 can adopt molybdenum alloy heating wires as heating elements, and can meet the heating requirement.
The communication holes communicated with the annealing cavity are formed in the two ends of the annealing furnace 2, the supporting mechanism comprises two supporting plates 31 and a connecting rod 36, the two axial ends of the connecting rod 36 are fixedly connected with the side walls of the two supporting plates 31 respectively, the two supporting plates 31 are fixedly connected through the connecting rod 36 to form a steel pipe supporting frame for supporting a steel pipe to carry out annealing heat treatment operation.
The two supporting plates 31 are respectively arranged in the communicating holes in a rotating mode, a plurality of annular evenly-spaced drawing holes 33 are formed in the supporting plates 31, a steel pipe supporting frame consisting of the two supporting plates 31 and the connecting rod 36 is arranged in the two communicating holes in a rotating mode, in order to facilitate steel pipe insertion into the drawing holes 33, the steel pipe supporting frame rotates in the two communicating holes, steel pipes are inserted into the lowest drawing holes 33, the steel pipe supporting frame is continuously rotated until all the drawing holes 33 are internally inserted with the steel pipes, and therefore the steel pipes do not need to be lifted and inserted into the drawing holes 33 with higher inserting positions, labor intensity of workers is reduced, the steel pipes are inserted and pass through an annealing cavity through the plurality of drawing holes 33, and batch annealing heat treatment operation of the steel pipes can be achieved.
Because the steel pipe support rotates between two intercommunicating pore, if do not carry out spacingly to steel pipe support tip, steel pipe support easily breaks away from arbitrary intercommunicating pore for the steel pipe support is in the state of slope, influence steel pipe and carry out annealing heat treatment operation along the pay-off in the pull hole 33, consequently, in order to avoid the steel pipe support to drop from the connecting hole, influence the normal annealing heat treatment of steel pipe, it has the extension dish that can rotate laminating at annealing furnace 2 tip lateral wall to keep away from the one end rotation of connecting rod 36 through the intercommunicating pore back radial extension of supporting disk 31, utilize the extension dish to rotate the laminating at annealing furnace 2's tip lateral wall, neither influence supporting disk 31 and rotate in the intercommunicating pore, can avoid supporting disk 31 to break away from the intercommunicating pore simultaneously, avoid steel pipe support one end to break away from the intercommunicating pore promptly, lead to the unable effective conveying of steel pipe to carry out annealing heat treatment operation, influence the batch annealing heat treatment efficiency of steel pipe.
In addition, the supporting plate 31 is used for blocking the connecting holes at the two ends of the annealing furnace 2, so that heat in the annealing chamber can be prevented from being conducted out through the connecting holes, and in order to maintain the temperature in the annealing chamber, the annular electric heating plate 21 needs to be continuously electrified to generate heat, so that the energy consumption is high, and the annealing heat treatment cost is increased.
Meanwhile, a mode that a plurality of drawing holes 33 are formed in the supporting plate 31 and serve as steel pipes to enter the annealing cavity is adopted, and under the condition that a large amount of heat in the annealing cavity is prevented from being dissipated through the communication holes, the steel pipes enter the annealing cavity through the drawing holes 33, and annealing heat treatment operation is not affected.
The steel pipe enters into the annealing chamber from one of them draw-out hole 33, the one end length that the steel pipe kept away from annealing stove 2 is longer, the heavy phenomenon that easily inclines appears of weight, influence the steel pipe insert in the draw-out hole 33 of another supporting disk 31, thereby influence the steel pipe and derive fast after annealing heat treatment, in order to ensure that the steel pipe enters into the annealing intracavity and effectively convey and carry out annealing heat treatment operation, the outer wall at connecting rod 36 is fixed and is equipped with a plurality of groups bracing piece 310, every group bracing piece 310 all includes a plurality of and takes connecting rod 36 as the center to be annular evenly spaced apart, the tip of bracing piece 310 is equipped with annular supporting frame 311, draw-out hole 33 and the coaxial distribution of annular supporting frame 311 in the same vertical plane, after the steel pipe enters into the annealing intracavity from one of them draw-out hole 33, run through a plurality of annular supporting frames 311 that correspond coaxially in proper order, can effectively support and convey the steel pipe to the steel pipe that the annealing intracavity, and can ensure that the steel pipe can convey along draw-out the axial direction of draw-out the drawing-out hole 33, until running through another drawing-out the corresponding drawing-out hole 33, accomplish annealing heat treatment operation.
Referring to fig. 1, 3, 4, 5, 6, 7, 8, 9 and 10, in the conventional annealing process, the steel tube placed in the annealing furnace 2 needs to be fed along the annealing furnace 2 manually, and the steel tube needs to be taken out of the annealing furnace 2 manually, so that the labor intensity is high, the working efficiency is low, the T-shaped grooves 313 distributed in an annular structure are formed in the radial outer wall of the annular supporting frame 311, the ends of the supporting rods 310 slidingly extend into the T-shaped grooves 313 and are fixedly connected with T-shaped sliders slidingly clamped in the T-shaped grooves 313, and the annular supporting frame 311 relatively slides between the T-shaped sliders of the supporting rods 310 and the T-shaped grooves 313 through the supporting rods 310 while the supporting height of the steel tube is rotationally adjusted in the annealing cavity through the supporting rods 310.
Through being equipped with the conveying screw thread at the inner wall of annular supporting frame 311, annular supporting frame 311 rotates and can utilize the conveying screw thread to carry out the conveying operation to the steel pipe that is located in the annular supporting frame 311, need not the workman and carries out synchronous conveying operation to every steel pipe in annealing heat treatment in-process, can enough reduce the input of manpower, can improve the efficiency of steel pipe batch pay-off again.
The annealing chamber inner wall of the annealing furnace 2 is fixedly provided with a plurality of racks 22 which are distributed in an annular structure, the outer wall of the annular supporting frame 311 is fixedly provided with first tooth blocks 312 which are distributed in an annular structure, the first tooth blocks 312 are positioned on one side of a notch of the T-shaped groove 313, the first tooth blocks 312 are meshed with the racks 22, when the steel pipe supporting frame rotates in the annealing chamber, the connecting rod 36 can drive a plurality of groups of supporting rods 310 to rotate by taking the connecting rod 36 as a center, the annular supporting frame 311 synchronously overturns in the annealing chamber, namely, the annular supporting frame 311 slides relatively between the T-shaped sliding blocks of the supporting rod 310 through the T-shaped groove 313, and the annular supporting frame 311 can rotate automatically while following the synchronous rotation of the steel pipe supporting frame, so that the steel pipe is conveyed to operate without manual conveying operation.
The supporting mechanism further comprises a motor 34, the motor 34 is fixedly arranged at one end of the outer wall of the annealing furnace 2, the power output end of the motor 34 is fixedly connected with a fluted disc 35, the outer wall of the extension disc at one end of the supporting disc 31 is fixedly provided with a second toothed block 32 meshed with the fluted disc 35, the motor 34 provides power to drive the fluted disc 35 to rotate, and the rotating fluted disc 35 is meshed with the second toothed block 32 at the end of the supporting disc 31, so that the supporting disc 31 can rotate in the communication hole, namely, the whole steel tube supporting frame is driven to rotate, and steel tubes are convenient to convey.
In the process of drawing and feeding the steel pipe along the inside of the drawing hole 33, larger sliding friction force is easily generated between the steel pipe and the inner wall of the drawing hole 33, a spherical groove is formed in the inner wall of the drawing hole 33, a first rolling ball 37 capable of rolling and supporting the steel pipe to be heat treated is embedded in the spherical groove in a rotating mode, and the first rolling ball 37 can be in rolling contact with the supported steel pipe, so that sliding resistance during feeding of the steel pipe can be reduced.
Because the steel pipe can be driven by the pivoted steel pipe support frame to do circular motion, therefore the steel pipe can roll in the pull hole 33 at the in-process that realizes axial feeding, influence the effective going on of axial feeding of steel pipe, through being equipped with the arc stainless steel elastic pressing plate 38 that is located pull hole 33 opening part at the one end that one of them supporting disk 31 is close to connecting rod 36 fixed, after the steel pipe observes in the pull hole 33, utilize the elasticity of arc stainless steel elastic pressing plate 38 to closely support the steel pipe in the pull hole 33, thereby can ensure the outer wall of steel pipe and the conveying screw thread in close contact of annular supporting frame 311 inner wall that corresponds, when annular supporting frame 311 rotation, just can effectively convey the steel pipe through conveying screw thread, avoid appearing the phenomenon of skidding, influence the effective feeding of steel pipe.
The arc stainless steel elastic pressing plate 38 is close to the side wall end of one side of the connecting rod 36, and is internally embedded with a second rolling ball 39 capable of rolling and pressing on the steel pipe to be heat treated in a rotating mode, after the arc stainless steel elastic pressing plate 38 is pressed on the steel pipe, in order to reduce sliding friction resistance between the arc stainless steel elastic pressing plate 38 and the outer wall of the steel pipe, the second rolling ball 39 is arranged to be in rolling and lamination with the outer wall of the steel pipe, so that sliding resistance is small when the steel pipe is axially fed and adjusted, meanwhile effective pressing on the steel pipe can be met, and slipping phenomenon in the feeding process of the steel pipe is avoided.
The second rolling balls 39 are arranged in two and symmetrically distributed left and right, and after the arc-shaped stainless steel elastic pressing plate 38 is pressed on the outer wall of the steel pipe, the two second rolling balls 39 are symmetrically rolled and pressed on the outer wall of the steel pipe, so that the effect of preventing the steel pipe from being separated from the arc-shaped stainless steel elastic pressing plate 38 and being pressed down for positioning can be achieved.
Referring to fig. 1, a feeding mechanism capable of conveying a steel pipe into a drawing hole 33 is arranged at the upper end of a supporting seat 1, and the steel pipe is assisted to be filled into the drawing hole 33 by arranging the feeding mechanism, so that the long length of the steel pipe is avoided, the rapid filling operation of the steel pipe is influenced, and the feeding efficiency is improved.
The feeding mechanism comprises two supporting columns 41, a cross beam 42 is fixedly arranged between the top ends of the opposite side walls of the two supporting columns 41, a connecting sleeve 43 is sleeved on the outer wall of the cross beam 42, an arc-shaped supporting plate 44 is fixedly arranged on the top end of the outer wall of the connecting sleeve 43 through a push rod, one end of a steel pipe is placed on the upper end face of the arc-shaped supporting plate 44, then the other end of the steel pipe is lifted to the position where the whole steel pipe is in a horizontal state, the steel pipe and a drawing hole 33 to be inserted are ensured to be coaxially distributed, and the steel pipe can be filled into the drawing hole 33 only by sliding the steel pipe along the upper end face of the arc-shaped supporting plate 44.
By adopting the arc-shaped supporting plate 44 as a steel pipe feeding supporting piece, the upper arc-shaped structure of the arc-shaped supporting plate 44 is utilized, so that the steel pipe is prevented from falling from two sides of the arc-shaped supporting plate 44, and the steel pipe is prevented from entering the drawing hole 33.
The connecting sleeve 43 is in sliding sleeve joint with the outer wall of the cross beam 42, so that the connecting sleeve 43 can slide along the outer wall of the cross beam 42, and in the feeding process, the position of the connecting sleeve 43 on the cross beam 42 can be shifted according to the specific position of the drawing hole 33, the arc-shaped supporting plate 44 is ensured to be opposite to the residual drawing hole 33, and the steel pipe can be conveniently and rapidly fed into the drawing hole 33.
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 (8)
1. The utility model provides a steel pipe on-line annealing heat treatment equipment, includes annealing stove (2) and supporting mechanism, and annealing stove (2) inside is equipped with the annealing chamber, and the inner wall in annealing chamber is fixed to be embedded has annular electrical heating board (21) that are used for heating, and the intercommunicating pore with annealing chamber intercommunication, its characterized in that have all been seted up at the both ends of annealing stove (2): the supporting mechanism comprises two supporting plates (31) and a connecting rod (36), the two axial ends of the connecting rod (36) are fixedly connected with the side walls of the two supporting plates (31) respectively, the two supporting plates (31) are arranged in the communication holes in a rotating mode, one end, far away from the connecting rod (36), of the supporting plate (31) rotates, penetrates through the communication holes in a penetrating mode, radially extends to form an extending plate which can be rotationally attached to the side wall of the end portion of the annealing furnace (2), and a plurality of annular drawing holes (33) which are evenly distributed at intervals are formed in the supporting plate (31);
the outer wall of the connecting rod (36) is fixedly provided with a plurality of groups of supporting rods (310), each group of supporting rods (310) comprises a plurality of T-shaped sliding blocks which are uniformly distributed at intervals in a ring shape by taking the connecting rod (36) as a center, the end parts of the supporting rods (310) are provided with ring-shaped supporting frames (311), the radial outer wall of each ring-shaped supporting frame (311) is provided with T-shaped grooves (313) distributed in a ring-shaped structure, and the end parts of the supporting rods (310) slidingly extend into the T-shaped grooves (313) and are fixedly connected with the T-shaped sliding blocks which are slidingly clamped in the T-shaped grooves (313);
the annealing furnace comprises an annealing furnace body, wherein a plurality of racks (22) distributed in an annular structure are fixedly arranged on the inner wall of an annealing cavity of the annealing furnace (2), first tooth blocks (312) distributed in an annular structure are fixedly arranged on the outer wall of an annular supporting frame (311), the first tooth blocks (312) are positioned on one side of a notch of a T-shaped groove (313), and the first tooth blocks (312) are meshed with the racks (22);
the inner wall of the annular supporting frame (311) is provided with conveying threads.
2. The steel pipe on-line annealing heat treatment apparatus according to claim 1, wherein: the supporting mechanism further comprises a motor (34), the motor (34) is fixedly arranged at one end of the outer wall of the annealing furnace (2), a fluted disc (35) is fixedly connected with the power output end of the motor (34), and a second tooth block (32) meshed with the fluted disc (35) is fixedly arranged on the outer wall of the extension disc at the end part of one supporting disc (31).
3. The steel pipe on-line annealing heat treatment apparatus according to claim 1, wherein: the drawing holes (33) and the annular supporting frames (311) in the same vertical plane are coaxially distributed.
4. The steel pipe on-line annealing heat treatment apparatus according to claim 1, wherein: the inner wall of the drawing hole (33) is provided with a spherical groove, and a first rolling ball (37) capable of rolling and supporting the steel pipe to be heat treated is rotationally embedded in the spherical groove.
5. The steel pipe on-line annealing heat treatment apparatus according to claim 4, wherein: one end of one supporting disc (31) close to the connecting rod (36) is fixedly provided with an arc stainless steel elastic pressing plate (38) positioned at the opening of the drawing hole (33).
6. The steel pipe on-line annealing heat treatment apparatus according to claim 5, wherein: the arc stainless steel elastic pressing plate (38) is embedded with second rolling balls (39) which can roll and press on the steel pipe to be heat treated in a rotating mode near to one side wall end portion of the connecting rod (36), and the second rolling balls (39) are arranged in two and distributed in bilateral symmetry.
7. The steel pipe on-line annealing heat treatment apparatus according to claim 1, wherein: the bottom end of the outer wall of the annealing furnace (2) is fixedly provided with a supporting block, and the bottom end of the supporting block is fixedly provided with a supporting seat (1).
8. The steel pipe on-line annealing heat treatment apparatus according to claim 7, wherein: the upper end of the supporting seat (1) is provided with a feeding mechanism capable of conveying the steel pipe into the drawing hole (33);
the feeding mechanism comprises two supporting columns (41), a cross beam (42) is fixedly arranged between the top ends of the opposite side walls of the two supporting columns (41), a connecting sleeve (43) is sleeved on the outer wall of the cross beam (42), and an arc-shaped supporting plate (44) is fixedly arranged on the top end of the outer wall of the connecting sleeve (43) through a top rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991385.7A CN115261588B (en) | 2022-08-18 | 2022-08-18 | Online annealing heat treatment equipment for steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991385.7A CN115261588B (en) | 2022-08-18 | 2022-08-18 | Online annealing heat treatment equipment for steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115261588A CN115261588A (en) | 2022-11-01 |
| CN115261588B true CN115261588B (en) | 2023-06-27 |
Family
ID=83753357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210991385.7A Active CN115261588B (en) | 2022-08-18 | 2022-08-18 | Online annealing heat treatment equipment for steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115261588B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887227A (en) * | 1981-11-18 | 1983-05-25 | Nippon Kokan Kk <Nkk> | Cooling method for post annealing part of electric welded steel pipe |
| EP0086408A2 (en) * | 1982-02-16 | 1983-08-24 | Kruppert Enterprises, Inc. | Method and apparatus for heat treating steel |
| KR101169709B1 (en) * | 2012-03-02 | 2012-07-30 | 배연대 | Apparatus for heat treating steel pipe |
| CN105483350A (en) * | 2015-12-24 | 2016-04-13 | 嵊州市意海电机配件厂 | Automatic pushing device for annealing of steel tube billets |
| CN212741471U (en) * | 2020-05-30 | 2021-03-19 | 无锡博雷液压科技有限公司 | Furnace gas isolating device of roller hearth furnace for heat treatment of seamless steel pipes |
| CN112538563A (en) * | 2020-10-14 | 2021-03-23 | 浙江鹏业不锈钢有限公司 | Continuous energy-saving annealing furnace for stainless steel pipe machining |
| CN213803918U (en) * | 2020-11-28 | 2021-07-27 | 常熟市和新不锈钢管制造有限公司 | Anaerobic annealing furnace for steel pipe processing |
| CN216614750U (en) * | 2021-12-28 | 2022-05-27 | 杭州兰辛实业有限公司 | High-frequency induction continuous annealing equipment for precision steel pipe |
| WO2022110253A1 (en) * | 2020-11-30 | 2022-06-02 | 常熟市欧迪管业有限公司 | Multi-station vacuum annealing furnace for processing titanium pipes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10315354A1 (en) * | 2003-04-03 | 2004-10-28 | Otto Junker Gmbh | Glühgestell |
-
2022
- 2022-08-18 CN CN202210991385.7A patent/CN115261588B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887227A (en) * | 1981-11-18 | 1983-05-25 | Nippon Kokan Kk <Nkk> | Cooling method for post annealing part of electric welded steel pipe |
| EP0086408A2 (en) * | 1982-02-16 | 1983-08-24 | Kruppert Enterprises, Inc. | Method and apparatus for heat treating steel |
| KR101169709B1 (en) * | 2012-03-02 | 2012-07-30 | 배연대 | Apparatus for heat treating steel pipe |
| CN105483350A (en) * | 2015-12-24 | 2016-04-13 | 嵊州市意海电机配件厂 | Automatic pushing device for annealing of steel tube billets |
| CN212741471U (en) * | 2020-05-30 | 2021-03-19 | 无锡博雷液压科技有限公司 | Furnace gas isolating device of roller hearth furnace for heat treatment of seamless steel pipes |
| CN112538563A (en) * | 2020-10-14 | 2021-03-23 | 浙江鹏业不锈钢有限公司 | Continuous energy-saving annealing furnace for stainless steel pipe machining |
| CN213803918U (en) * | 2020-11-28 | 2021-07-27 | 常熟市和新不锈钢管制造有限公司 | Anaerobic annealing furnace for steel pipe processing |
| WO2022110253A1 (en) * | 2020-11-30 | 2022-06-02 | 常熟市欧迪管业有限公司 | Multi-station vacuum annealing furnace for processing titanium pipes |
| CN216614750U (en) * | 2021-12-28 | 2022-05-27 | 杭州兰辛实业有限公司 | High-frequency induction continuous annealing equipment for precision steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115261588A (en) | 2022-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101818237B (en) | Device for clamping and rotating steel tube | |
| CN101628302A (en) | Feeding device | |
| CN201648469U (en) | Steel tube holding rotating device | |
| CN115261588B (en) | Online annealing heat treatment equipment for steel pipe | |
| CN114807579A (en) | Roller head and neck heating equipment and use method thereof | |
| CN101818238A (en) | Roller-hearth solution furnace | |
| CN202717814U (en) | Tunnel type quenching device for steel tube | |
| CN201648468U (en) | Roller-hearth type solid solution furnace | |
| CN212315926U (en) | Bidirectional glass toughening forming device | |
| CN203061578U (en) | Chain type cold bed | |
| CN110788133B (en) | Small-diameter metal wire warm skew rolling production device | |
| CN213203137U (en) | Spring heating furnace | |
| CN212375326U (en) | Online annealing device of combined drawing machine | |
| CN210098537U (en) | Cooling device for steel rolling | |
| CN113981204A (en) | Arrange miscellaneous fan shaft processing heat treatment device | |
| CN209272140U (en) | A kind of semi-automatic stock shelf of silicon steel rolling mill practice | |
| CN216694458U (en) | Online heat treatment furnace device convenient to maintain in double-line production | |
| CN219664784U (en) | Round steel processing alignment equipment | |
| CN206375819U (en) | A kind of new annealing furnace | |
| CN115074508B (en) | Martensitic stainless steel heat treatment device and process | |
| CN217110424U (en) | Tungsten molybdenum rod rolling is with heating furnace before forging with heating insulation structure | |
| CN214655151U (en) | Feeding heating equipment of continuous binding production line | |
| CN219342225U (en) | Gear heat treatment tool | |
| CN210030827U (en) | Induction heating furnace | |
| CN216585130U (en) | Novel multi-functional aluminium wire processing is with annealing stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |