CN113564316B - Spheroidizing annealing treatment process and equipment for producing finish-drawn steel - Google Patents
Spheroidizing annealing treatment process and equipment for producing finish-drawn steel Download PDFInfo
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- CN113564316B CN113564316B CN202110680787.0A CN202110680787A CN113564316B CN 113564316 B CN113564316 B CN 113564316B CN 202110680787 A CN202110680787 A CN 202110680787A CN 113564316 B CN113564316 B CN 113564316B
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
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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
- C21D6/00—Heat treatment of ferrous alloys
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Abstract
The invention discloses a spheroidizing annealing treatment process and equipment for producing finish-drawn steel, which relate to the technical field of steel heat treatment and comprise a furnace body support, wherein rotary supports are arranged at two ends of an inner cavity of the furnace body support, a feeding hole is formed in the furnace body support, and a discharging hole is formed in the bottom end of the furnace body support; a feeding mechanism is arranged in the feeding hole, a heating support and a cooling cavity seat are arranged on the side wall of the end, opposite to the feeding hole, of the inner cavity of the furnace body support, the heating support is positioned above the cooling cavity seat, an electric heating radiation tube is arranged in the heating support, an open type heating cavity is arranged close to the end of the electric heating radiation tube, a closed space is formed by the heating support and the heating cavity, and the cooling cavity seat is connected with a cooling mechanism; still including the casing seat, the casing seat is configured with installing at the work piece both ends, and the casing seat can be accomodate in the arc wall of rotatory support with arc wall sliding connection, realizes the function of the automatic feeding of work piece, heating, cooling, unloading, need not manual operation, has reduced safe risk, has improved heat treatment efficiency.
Description
Technical Field
The invention belongs to the technical field of steel heat treatment, and particularly relates to a spheroidizing annealing treatment process and equipment for producing finish-drawn steel.
Background
The finish drawing refers to a seamless steel pipe, the main production flow of the seamless steel pipe comprises pipe blank and blank heating, pipe blank perforation, steel pipe extension, steel pipe rolling, steel pipe sizing and reducing, steel pipe cooling and finishing or heating perforation, hot rolling, acid washing, cold drawing, carbon burning and cutting head spraying and label packaging finished products of a steel blank, a plurality of rows of heat treatment needs to be carried out on the blank in the processing process to improve the product performance of steel, spheroidizing annealing is an essential step in the heat treatment, and the spheroidizing annealing improves the processing performance of the blank by changing the structure of carbide of the blank.
The spheroidizing annealing process comprises three steps of ordinary spheroidizing annealing, isothermal spheroidizing annealing and periodic spheroidizing annealing, the structure after isothermal spheroidizing annealing is uniform and easy to control, and the production period is short, so that the spheroidizing annealing process is most common in blank processing, and the isothermal spheroidizing annealing process comprises the steps of heating eutectoid steel or hypereutectoid steel to Ac1+ (20-30 ℃), keeping the temperature for a proper time, cooling to a temperature slightly lower than Ar1, keeping the temperature isothermally for a certain time, and cooling in a furnace or air cooling. The existing annealing treatment equipment is used for completely putting a workpiece into a heating furnace during annealing, the position of the heated workpiece needs to be adjusted manually, the workpiece is cooled and then unloaded, the manual work is involved more, the temperature is higher during heat treatment, the working environment is poorer, the physical health of workers is influenced, and meanwhile, the safety risk exists, so that the spheroidizing annealing treatment process and the equipment for producing the finish-drawn steel are provided.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a spheroidizing annealing treatment process for producing a finish-drawn steel and equipment thereof, so as to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme: a spheroidizing annealing treatment device for producing finish-drawn steel comprises a furnace body support, wherein rotary supports are arranged at two ends of an inner cavity of the furnace body support, a gap is formed between the axial direction of each rotary support and the inner wall of the furnace body support, a feeding hole is formed in the furnace body support at the side of the anticlockwise rotating direction of each rotary support, and a discharging hole is formed in the bottom end of the furnace body support;
a feeding mechanism is arranged in the feeding hole, a heating support and a cooling cavity seat are arranged on the side wall of the end, opposite to the feeding hole, of the inner cavity of the furnace body support, the heating support is positioned above the cooling cavity seat, an electric heating radiation tube is arranged in the heating support, an open type heating cavity is arranged close to the end of the electric heating radiation tube, a closed space is formed by the heating support and the heating cavity, and the cooling cavity seat is connected with a cooling mechanism;
also included is a sleeve holder configured to be mounted at both ends of the workpieceFour groups of arc-shaped grooves are formed in the circumferential array on the rotary support, the sleeve seat can be contained in the arc-shaped grooves and is in sliding connection with the arc-shaped grooves, and the arc-shaped grooves are
And (4) molding.
As a further scheme of the invention, the feeding mechanism comprises four-blade rollers, the four-blade rollers are accommodated in the middle of the feeding port, two ends of each four-blade roller are rotatably connected with the furnace body support, a feeding flow plate is further arranged at the feeding port, the feeding flow plate comprises a horizontal plate and an inclined plate, the bottom end of the inclined plate is connected with the bottom end of the feeding port, one end of a rotating shaft of each four-blade roller is provided with a gear set, and the gear set is connected with the rotating shaft of the rotating support through a conveying belt.
As a further scheme of the invention, the open type heating cavity comprises an upper cavity support and a lower cavity support, arc-shaped cavities are formed in the upper cavity support and the lower cavity support, two ends of the upper cavity support and two ends of the lower cavity support are both hinged to the heating supports, two ends of the upper cavity support and two ends of the lower cavity support are both provided with rotating mechanisms, the rotating mechanisms are configured to drive the upper cavity support and the lower cavity support to be closed, and the upper cavity support or the lower cavity support is provided with a resetting mechanism to maintain the upper cavity support and the lower cavity support to be opened.
According to a further scheme of the invention, the inner walls of the upper cavity support and the lower cavity support are coated with heat radiation materials, the side walls of two ends of the upper cavity support and the lower cavity support are provided with sealing rings, and the sealing rings are made of high-temperature-resistant heat insulation materials.
As a further scheme of the invention, the rotating mechanism comprises a second gear, a connecting rod and a third gear, the second gear is fixedly connected with a hinged shaft of the lower cavity support, the third gear is fixedly connected with a hinged shaft of the upper cavity support, two ends of the connecting rod are eccentrically hinged with end faces of the second gear and the third gear respectively, an arc-shaped rack is arranged on the end face of the rotating support close to the heating support, and when the closed end of the arc-shaped groove is close to the heating support, the arc-shaped rack can be meshed with the second gear to drive the second gear to rotate anticlockwise so as to close the upper cavity support and the lower cavity support.
As a further scheme of the invention, a tooth groove is formed in the end, located on the outer circumferential surface of the intermittent part of the rotary support and the furnace body support, of the sleeve seat, a first gear is further arranged in a gap between the rotary support and the furnace body support, the first gear is rotatably connected with the furnace body support, and when the second gear and the lower cavity support are closed, the tooth groove is in meshing contact with the first gear.
As a further scheme of the invention, the discharging mechanism is arranged at the lower end in the gap between the rotary support and the furnace body support, an annular groove which can be clamped by the discharging mechanism is arranged on the outer circumferential surface of the end, far away from the workpiece, of the sleeve seat, and the discharging mechanism is configured to clamp the sleeve seat to move along the axial direction of the sleeve seat to separate from the workpiece.
As a further scheme of the invention, the discharging structure comprises a discharging support, the bottom end of the discharging support is arc-shaped, the arc-shaped radius is consistent with the inner diameter of the annular groove, an arc-shaped fixture block is arranged on the side of the discharging support, which is far away from the feeding port, the bottom end of the arc-shaped fixture block is arc-shaped and matched with the arc-shaped bottom end of the discharging support to form a semicircular fixture block, the arc-shaped fixture block is rotatably connected with the discharging support, and the arc-shaped fixture block, which is provided with a torsion spring between the arc-shaped fixture block and the discharging support, is kept in an open state with the discharging support;
the discharging support is provided with an air cylinder at the end far away from the rotating support, the discharging support is fixedly connected with an air cylinder piston rod, an air cylinder base is fixedly connected with the furnace body support, the air cylinder is accommodated in a waist-shaped hole formed in the feeding trickling plate, and the waist-shaped hole can accommodate the sleeve seat to pass through.
As a further scheme of the invention, four groups of arc-shaped plates are circumferentially arrayed on the rotating support close to the side of the furnace body support, the arc-shaped plates are positioned on the closed end of the arc-shaped groove close to the side of the feed inlet, and when the rotating support moves to the position of the cooling cavity seat, the arc-shaped plates drive the arc-shaped clamping block to move towards the side of the discharge support and be clamped into the sleeve seat.
A spheroidizing annealing treatment process for producing finish-drawn steel is characterized in that clamping tools are sleeved at two ends of a workpiece, the two ends of each clamping tool are clamped on a rotary support, the rotary support is driven to rotate by driving the rotary support, the workpiece is sequentially heated through a heating area, heat preservation is carried out for one end time after the workpiece is heated for a period of time, the rotary support is continuously driven to rotate, so that the workpiece is rotated to a cooling area, the workpiece is cooled for a period of time through a cooling mechanism, the rotary support is driven to rotate, the workpiece is thrown out from a discharge port end, and the workpiece is loaded into a container and stored in a warehouse.
The invention has the beneficial effects that: realize the function of automatic feeding, heating, cooling, the unloading of work piece, need not manual operation, reduced the safety risk, the work piece rotates rapidly in the heating intracavity, and has improved the efficiency of heating through the heat radiation in the heating intracavity, has shortened the time of heating, makes simultaneously to be heated evenly, has guaranteed the quality of annealing.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the furnace body of the present invention;
FIG. 4 is a partial schematic view of the internal structure of the present invention;
FIG. 5 is a schematic structural view of the rotating mount and assembly of the present invention;
FIG. 6 is a schematic view of another perspective of the rotating mount and assembly of the present invention;
FIG. 7 is a schematic structural view from another perspective of the present invention;
FIG. 8 is a schematic view of the construction of the cannula holder of the present invention;
FIG. 9 is a schematic structural view of the discharge mechanism of the present invention;
in the figure: a furnace body support-1, a feeding flow plate-2, a four-blade roller-3, a rotary support-4, a heating support-5, a sleeve seat-6, an upper cavity support-7, a cooling cavity seat-8, a discharging support-9, a push plate-10, a ventilating pipe-11, a circulating fan-12, a first gear-13, a first motor-14, a gear set-31, a conveying belt-32, an arc rack-41, an arc plate-42, an electric heating radiant tube-51, a tooth socket-61, an annular groove-62, a lower cavity support-71, a tension spring-72, a second gear-73, a connecting rod-74, a third gear-75, a sealing ring-76, a vent hole-81, an arc block-91, a cylinder-92, a second motor-100, a rotary support-4, a heating support-5, a sleeve seat-6, an upper cavity support-7, a cooling cavity seat-8, a discharging support-9, an electric heating radiant tube-51, an annular groove-62, a lower cavity support-71, a tension spring-72, a second gear-73, a third gear-75, a sealing ring-76, a vent holes-81, a vent hole-91, a fourth motor-92, a fourth motor, a fourth blade, a third blade, a fourth blade, a, A material flowing slide plate-101, a material inlet-102, a material outlet-103, a waist-shaped hole-104, an arc waist-shaped plate-105 and an arc hole-401.
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 9, in the embodiment of the present invention, a spheroidizing annealing treatment apparatus for producing finish-drawn steel includes a furnace body support 1, rotary supports 4 are disposed at two ends of an inner cavity of the furnace body support 1, a gap is disposed between an axial direction of the rotary supports 4 and an inner wall of the furnace body support 1, a feed port 102 is disposed on the furnace body support 1 at a side of the rotary supports 4 in a counterclockwise direction, a discharge port 103 is disposed at a bottom end of the furnace body support 1, a feeding mechanism is disposed in the feed port 102, the feeding mechanism is configured to intermittently feed a workpiece to be treated into the inner cavity of the furnace body support 1, as shown in fig. 2, a heating support 5 and a cooling cavity seat 8 are sequentially arranged on the right side of a rotating support 4 in the inner cavity of a furnace body support 1 from top to bottom, an electric heating radiant tube 51 is arranged in the heating support 5, an open heating cavity is arranged at the end of the heating support 5 to form a closed space with the heating support 5, and the cooling cavity seat 8 is connected with a cooling mechanism; the work piece drops into from feed inlet 102, drive the work piece clockwise through rotatory support 4 and rotate, once transport to heating support 5 end, with the heating chamber closure, the work piece is accomodate in the heating chamber promptly, carry out high temperature heating to a period of time back through electric heat radiant tube 51, stop heating and keep warm to a period of time, then open the heating chamber, drive rotatory support 4 and rotate, drive the work piece and rotate to cooling chamber seat 8 department, cool off fast through the cooling body of cooling chamber seat 8 department cooling mechanism, then throw out through furnace body support 1's discharge gate 103 department, be equipped with push pedal 10 at cooling chamber seat 8 relative position, when rotatory support 4 drives the work piece and moves to push pedal 10 department, push pedal 10 plays the effect of pushing away the material, rotatory support 4 continues to rotate, the work piece slides down to 103 in along push pedal 10 under the effect of push pedal 10.
Specifically, as shown in fig. 2 and 3, a vent hole 81 is formed in the cooling cavity seat 8, the vent hole 81 is connected with the circulating fan 12 through a vent pipe 11, cold air is conveyed to the 08 part through the circulating fan 12 during cooling, air circulation at the cooling cavity seat 8 is promoted, cooling of a workpiece is accelerated, a through hole is also formed in the position, opposite to the vent hole 81, of the push plate 10, and the through hole is connected with the circulating fan 12 through the vent pipe 11, so that an air circulation channel is formed.
In order to improve the processing efficiency of the workpiece, before the workpiece is put into the furnace body support 1, sleeve seats 6 are sleeved at two ends of the workpiece, four groups of arc-shaped grooves 401 are circumferentially arrayed on the rotary support 4, and the arc-shaped grooves 401 are
The type is that, as shown in fig. 2, when the workpiece is thrown into the furnace body support 1 from the feeding port 102, the workpiece slides into the arc-shaped groove 401 from the opening end of the arc-shaped groove 401, the sleeve seat 6 slides into the closed end of the arc-shaped groove 401 along with the rotation of the rotary support 4, and when the rotary support 4 rotates to the cooling cavity seat 8, the sleeve seat 6 is kept at the closed end of the arc-shaped groove 401 under the action of gravity.
Specifically, as shown in fig. 1 and 2, the feeding mechanism includes four-blade rollers 3, the four-blade rollers 3 are accommodated in the middle of the feeding port 102, two ends of the four-blade rollers 3 are rotatably connected with the furnace body support 1, a feeding dripping plate 2 is further disposed at the feeding port 102, the feeding dripping plate 2 is composed of a horizontal plate and an inclined plate, the bottom end of the inclined plate is connected with the bottom end of the feeding port 102, that is, the four-blade rollers 3 cooperate with the inclined plate of the feeding dripping plate 2 to transmit a workpiece into the furnace body support 1, one end of a rotating shaft of the four-blade rollers 3 is provided with a gear set 31, the gear set 31 is connected with the rotating shaft of the rotating support 4 through a conveyor belt 32, the end of the rotating shaft of the rotating support 4 is fixedly connected with an output shaft of a second motor 100, that is, the rotating support 4 is driven to rotate by the second motor 100, the rotating support 4 and the four-blade rollers 3 are reversed through the gear set 31, so that the four-blade rollers 3 and the rotating support 4 keep synchronous opposite rotation, thereby ensuring that the workpieces on the rotating support 4 always maintain three groups, namely, the sequential treatment is carried out, the heat treatment efficiency is improved, the timing rotation of the second motor 100, the timing starting of the cooling cavity base 8 and the heating temperature of the electric heating radiant tube 51 are controlled by the PLC control program, so that the automatic heat treatment of the workpiece is realized, and the heat treatment efficiency of the workpiece is improved.
Further, the open heating cavity comprises an upper cavity support 7 and a lower cavity support 71, arc-shaped cavities are formed in the upper cavity support 7 and the lower cavity support 71, the upper cavity support 7 and the lower cavity support 71 cooperate with the heating support 5 to form a circular cavity when being closed to enclose the workpiece, two ends of the upper cavity support 7 and the lower cavity support 71 are hinged to the heating support 5, two ends of the upper cavity support 7 and the lower cavity support 71 are respectively provided with a rotating mechanism, the rotating mechanisms are configured to drive the upper cavity support 7 and the lower cavity support 71 to be closed, the upper cavity support 7 or the lower cavity support 71 is provided with a resetting mechanism for keeping the upper cavity support 7 and the lower cavity support 71 open, the resetting mechanism can adopt an extension spring or a torsion spring, as shown in fig. 2, in the embodiment, the extension spring 72 is arranged on the right side of the lower cavity support 71 and is connected with the inner wall of the furnace body support 1, when the lower cavity support 71 rotates clockwise under the action of the driving mechanism, the extension spring 72 is in an extension state, and when the lower cavity support 71 is separated from the limitation of the driving mechanism, the lower cavity support 71 rotates counterclockwise under the recovery of the elastic force of the extension spring 72, so that the lower cavity support 71 and the upper cavity support 7 are kept in an opening state.
Preferably, the inner walls of the upper cavity support 7 and the lower cavity support 71 are coated with heat reflection coatings, when the electric heating radiant tube 51 emits radiation heat, the temperature in the heating cavity is quickly raised after being reflected by the heat reflection coatings, and the internal temperature is uniform, that is, the workpiece is uniformly heated, the side walls of the two ends of the upper cavity support 7 and the lower cavity support 71 are provided with sealing rings 76, the sealing rings 76 are made of high-temperature-resistant heat insulation materials, for example, graphite and the like, so that the high-temperature-resistant heat insulation effect is good, the heat overflow is effectively reduced by the sealing rings 76, and the heat insulation effect of the heating cavity is achieved.
In some embodiments, the rotating mechanism uses a gear engagement manner to make the upper cavity support 7 and the lower cavity support 71 rotate oppositely, and one of the upper cavity support 7 and the lower cavity support 71 is connected to a driving motor to drive rotation, and the sensor is used to realize automatic control, in this embodiment, as shown in fig. 5, the rotating mechanism includes a second gear 73, a connecting rod 74 and a third gear 75, the second gear 73 is fixedly connected to a hinged shaft of the lower cavity support 71, the third gear 75 is fixedly connected to a hinged shaft of the upper cavity support 7, two ends of the connecting rod 74 are eccentrically hinged to end surfaces of the second gear 73 and the third gear 75, respectively, an arc-shaped rack 41 is arranged on an end surface of the rotating support 4 close to the heating support 5, the rotating support 4 is rotated clockwise, when a closed end of the arc-shaped groove 401 is close to the heating support 5, the arc-shaped rack 41 is engaged with the second gear 73 to drive the second gear 73 to rotate 90 ° clockwise, the upper cavity support 7 and the lower cavity support 71 are closed, when the rotating support 4 continues to rotate, the arc-shaped rack 41 rotates through the second gear 73, the second gear 73 is disengaged from the meshing limit of the arc-shaped rack 41 and rotates counterclockwise under the action of the resetting mechanism, so that the upper cavity support 7 and the lower cavity support 71 are opened, and in another embodiment, an electromagnet can be used for controlling the rotation of one of the upper cavity support 7 or the lower cavity support 71 to further control the opening and closing.
As shown in fig. 8 and 6, a tooth socket 61 is formed at the outer circumferential end of the intermittent part of the rotary support 4 and the furnace body support 1 of the sleeve seat 6, a first gear 13 is further arranged in the gap between the rotary support 4 and the furnace body support 1, the first gear 13 is rotatably connected with the furnace body support 1, when the second gear 73 and the lower cavity support 71 are closed, the tooth socket 61 is in meshing contact with the first gear 13, the rotating shaft connected with the first gear 13 is fixedly connected with the output shaft of the first motor 14, that is, the first gear 13 is driven to rotate by the first motor 14, so as to drive the sleeve seat 6 to rotate, the sleeve seat 6 drives the workpiece to rotate, so that the workpiece is uniformly heated, and the annealing effect is ensured.
Preferably, a discharging mechanism is arranged at the lower end in the gap between the rotating support 4 and the furnace body support 1, the outer circumferential surface of the end, away from the workpiece, of the sleeve seat 6 is provided with a ring-shaped groove 62 which can be matched with the discharging mechanism for clamping, the discharging mechanism is configured for clamping the sleeve seat 6 to be separated from the workpiece along the axial movement of the sleeve seat 6, in some embodiments, the clamping part of the discharging mechanism can vertically move up and down, the clamping part can be controlled by an air cylinder to be clamped into the ring-shaped groove 62, so as to further drive the sleeve seat 6 to axially move and be separated from the workpiece, thereby achieving the function of automatic discharging, in the embodiment, as shown in fig. 6 and 9, the discharging mechanism comprises a discharging support 9, the bottom end of the discharging support 9 is arc-shaped, the arc-shaped radius is consistent with the inner diameter of the ring-shaped groove 62, the side, away from the feeding port 102, of the discharging support 9 is provided with an arc-shaped clamping block 91, the bottom end of the arc-shaped clamping block 91 is matched with the bottom end of the discharging support 9 to form a semicircular clamping block, the arc-shaped fixture block 91 is rotatably connected with the discharging support 9, and the arc-shaped fixture block 91 and the discharging support 9 are kept in an open state by a torsion spring arranged between the arc-shaped fixture block 91 and the discharging support 9; namely, the interference to the workpiece is avoided, the end of the discharging support 9 far away from the rotating support 4 is provided with the cylinder 92, the discharging support 9 is fixedly connected with the piston rod of the cylinder 92, the base of the cylinder 92 is fixedly connected with the furnace body support 1, the cylinder 92 is accommodated in the waist-shaped hole 104 formed in the feeding trickling plate 2, the waist-shaped hole 104 can allow the sleeve seat 6 to pass through, after the discharging support 9 and the arc-shaped fixture block 91 clamp and fix the annular groove 62, the sleeve seat 6 is detached from the arc waist-shaped plate 105 under the action of the air cylinder 92, the outer side wall of the arc waist-shaped plate 105, which is opposite to the outer side furnace body support 1, is provided with a material dripping sliding plate 101, the detached sleeve seat 6 slides out and is stored through the material dripping sliding plate 101, as shown in figure 3, an arc waist-shaped plate 105 is arranged on the right side of the waist-shaped hole 104, the arc waist-shaped plate 105 plays a role in guiding, and when the sleeve seat 6 rotates clockwise, the sleeve seat enters the arc waist-shaped plate 105 and moves along the arc waist-shaped plate 105.
Preferably, as shown in fig. 6, four sets of arc plates 42 are circumferentially arrayed on the end face of the rotary support 4 close to the furnace body support 1, the arc plates 42 are located at the closed end of the arc groove 401 and close to the feed inlet 102, when the rotary support 4 moves to the cooling cavity seat 8, the arc plates 42 drive the arc fixture blocks 91 to move towards the discharge support 9 and to be clamped into the sleeve seat 2 of the sleeve seat 6, that is, the discharge support 9 and the arc fixture blocks 91 are automatically driven to be clamped with the sleeve seat 6, the operation is convenient, after the sleeve seat 6 is taken down, a workpiece is separated from the limitation of the sleeve seat 6, the rotary support 4 is continuously rotated, a push plate 10 is arranged on the left side of the discharge port 103, the workpiece slides out from the arc groove 401 under the pushing of the push plate 10, and further rolls down to the container through the bottom plate.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", etc., indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the method is simple. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the spirit and scope of the invention, and any equivalents thereto, such as those skilled in the art, are intended to be embraced therein.
Claims (9)
1. A spheroidizing annealing treatment device for producing finish-drawn steel comprises a furnace body support (1), and is characterized in that rotary supports (4) are arranged at two ends of an inner cavity of the furnace body support (1), a gap is formed between the axial direction of each rotary support (4) and the inner wall of the furnace body support (1), a feeding hole (102) is formed in the furnace body support (1) in the anticlockwise rotating direction of the rotary supports (4), and a discharging hole (103) is formed in the bottom end of the furnace body support (1);
a feeding mechanism is arranged in the feeding hole (102), a heating support (5) and a cooling cavity seat (8) are arranged on the side wall of the end, opposite to the feeding hole (102), of the inner cavity of the furnace body support (1), the heating support (5) is positioned above the cooling cavity seat (8), an electric heating radiation tube (51) is arranged in the heating support (5), an open heating cavity is arranged at the end, close to the electric heating radiation tube (51), of the heating support (5) to form a closed space with the heating support (5), and the cooling cavity seat (8) is connected with a cooling mechanism;
the workpiece machining device is characterized by further comprising sleeve seats (6), the sleeve seats (6) are configured to be installed at two ends of a workpiece, four groups of arc-shaped grooves (401) are formed in the rotary support (4) in a circumferential array mode, the sleeve seats (6) can be contained in the arc-shaped grooves (401) and are in sliding connection with the arc-shaped grooves (401), and the arc-shaped grooves (401) are shaped.
2. The spheroidizing annealing treatment equipment for the production of finish-drawn steel products according to claim 1, wherein the feeding mechanism comprises four-blade rollers (3), the four-blade rollers (3) are accommodated in the middle of the feeding port (102), two ends of each four-blade roller (3) are rotatably connected with the furnace body support (1), a feeding dripping plate (2) is further arranged at the feeding port (102), the feeding dripping plate (2) comprises a horizontal plate and an inclined plate, the bottom end of the inclined plate is connected with the bottom end of the feeding port (102), one end of a rotating shaft of each four-blade roller (3) is provided with a gear set (31), and the gear set (31) is connected with the rotating shaft of the rotating support (4) through a conveying belt (32).
3. The spheroidization annealing treatment equipment for the production of fine drawing steel according to claim 1, characterized in that, open heating chamber includes cavity support (7) and cavity support (71) down, has seted up the arc chamber in cavity support (7) and cavity support (71) down, cavity support (7) and cavity support (71) both ends all are articulated with heating support (5) on going up cavity support (7), cavity support (7) and cavity support (71) both ends all are equipped with slewing mechanism down, slewing mechanism is configured and is used for driving cavity support (7) and cavity support (71) closed down, be equipped with canceling release mechanical system on cavity support (7) or cavity support (71) and be used for maintaining cavity support (7) and cavity support (71) and open.
4. The spheroidizing annealing treatment equipment for the production of finish-drawn steel products according to claim 3, wherein the inner walls of the upper cavity support (7) and the lower cavity support (71) are coated with heat radiation materials, the side walls of the two ends of the upper cavity support (7) and the lower cavity support (71) are provided with sealing rings (76), and the sealing rings (76) are made of high temperature resistant heat insulation materials.
5. The spheroidizing annealing treatment apparatus for producing the finish-drawn steel product according to claim 4, characterized in that the rotating mechanism comprises a second gear (73), a connecting rod (74) and a third gear (75), the second gear (73) is fixedly connected with a hinged shaft of the lower cavity support (71), the third gear (75) is fixedly connected with a hinged shaft of the upper cavity support (7), two ends of the connecting rod (74) are respectively eccentrically hinged with the end surfaces of the second gear (73) and the third gear (75), the end face of the rotary support (4) close to the side of the heating support (5) is provided with an arc rack (41), when the closed end of the arc-shaped groove (401) is close to the heating support (5), the arc-shaped rack (41) can be meshed with the second gear (73) to drive the second gear (73) to rotate counterclockwise by (90) degrees, so that the upper cavity support (7) and the lower cavity support (71) are closed.
6. The spheroidizing annealing treatment equipment for the production of finish-drawn steel according to claim 5, wherein the sleeve seat (6) is positioned at the end of the outer circumferential surface of the intermittent part of the rotating support (4) and the furnace body support (1) and is provided with a toothed groove (61), a first gear (13) is further arranged in the gap between the rotating support (4) and the furnace body support (1), the first gear (13) is rotatably connected with the furnace body support (1), and when the second gear (73) and the lower furnace body support (71) are closed, the toothed groove (61) is in meshing contact with the first gear (13).
7. The spheroidizing annealing treatment equipment for the production of finish-drawn steel according to claim 6, wherein the rotary support (4) and the furnace body support (1) are provided with a discharging mechanism at the inner and lower ends of the gap, the outer circumferential surface of the end of the sleeve seat (6) far away from the workpiece is provided with an annular groove (62) which can be matched with the discharging mechanism to clamp, and the discharging mechanism is configured to clamp the sleeve seat (6) to move axially along the sleeve seat (6) to separate from the workpiece.
8. The spheroidizing annealing treatment equipment for the production of finish-drawn steel products according to claim 7, wherein the discharging mechanism comprises a discharging support (9), the bottom end of the discharging support (9) is arc-shaped, the radius of the arc is consistent with the inner diameter of the annular groove (62), an arc-shaped clamping block (91) is arranged on the side of the discharging support (9) far away from the feeding hole (102), the bottom end of the arc-shaped clamping block (91) is arc-shaped and matched with the arc-shaped bottom end of the discharging support (9) to form a semicircular clamping block, the arc-shaped clamping block (91) is rotatably connected with the discharging support (9), and the arc-shaped clamping block (91) provided with a torsion spring between the arc-shaped clamping block (91) and the discharging support (9) is kept in an open state with the discharging support (9); the end, far away from the rotating support (4), of the discharging support (9) is provided with an air cylinder (92), the discharging support (9) is fixedly connected with a piston rod of the air cylinder (92), a base of the air cylinder (92) is fixedly connected with the furnace body support (1), the air cylinder (92) is accommodated in a waist-shaped hole (104) formed in the feeding trickling plate (2), and the waist-shaped hole (104) can allow the sleeve seat (6) to pass through.
9. The spheroidizing annealing treatment equipment for the production of finish-drawn steel according to claim 8, characterized in that the rotating support (4) is close to four groups of arc plates (42) in the circumferential array at the side of the furnace body support (1), the arc plates (42) are positioned at the closed end of the arc groove (401) close to the feed inlet (102), and when the rotating support (4) moves to the position of the cooling cavity seat (8), the arc plates (42) drive the arc fixture block (91) to move towards the side of the discharge support (9) and be clamped into the sleeve seat (2) of the sleeve seat (6).
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