CN113234905B - High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment - Google Patents

High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment Download PDF

Info

Publication number
CN113234905B
CN113234905B CN202110504774.8A CN202110504774A CN113234905B CN 113234905 B CN113234905 B CN 113234905B CN 202110504774 A CN202110504774 A CN 202110504774A CN 113234905 B CN113234905 B CN 113234905B
Authority
CN
China
Prior art keywords
blank
gradient
cooling
face
terminal surface
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
Application number
CN202110504774.8A
Other languages
Chinese (zh)
Other versions
CN113234905A (en
Inventor
张华�
吴冲冲
陈淑英
黄海亮
张文彦
李霞
孟范超
朱礼龙
周鑫
仝阳
张尚洲
江亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai University
Original Assignee
Yantai University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yantai University filed Critical Yantai University
Priority to CN202110504774.8A priority Critical patent/CN113234905B/en
Publication of CN113234905A publication Critical patent/CN113234905A/en
Application granted granted Critical
Publication of CN113234905B publication Critical patent/CN113234905B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention discloses a high-flux preparation method and a device for gradient thermal deformation and gradient thermal treatment, wherein the high-flux preparation method comprises the following steps of; step S1: starting a heating resistance wire, and pressing the blank into the trapezoid table die through a pressing head when the heating resistance wire is heated to a preset temperature; step S2: closing the heating resistance wire, and stopping heating; step S3: starting a water source, an air source or an oil source, spraying and pressing the water source, the air source or the oil source into the lower end of the blank, and gradually accelerating the heat dissipation and cooling speed of the blank in a heat transfer way from top to bottom; step S4: when the blank is cooled to a preset temperature, the blank enters an ejector rod, and the blank is ejected from the bottom of the trapezoid table die through the ejector rod; step S5: obtaining a tissue finished product with gradient distribution of crystal grains; the high-flux preparation method effectively realizes gradient thermal deformation and gradient heat treatment of the metal material, can efficiently obtain the metal material with grain gradient distribution, second phase gradient distribution and performance gradient distribution, and realizes high-flux preparation and processing of metal samples.

Description

High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment
Technical Field
The invention relates to the technical field of material processing, in particular to a high-flux preparation method and a device for gradient thermal deformation and gradient heat treatment.
Background
The end quenching test is one of methods for measuring the hardenability of steel, and has application in the fields of industry and agriculture; after austenitizing a standard-size end quenching sample, spraying water on one end face of the end quenching sample on special equipment for cooling, and then measuring a relation curve of hardness and distance from a water cold end along the axial direction, wherein the test method is one of methods for measuring the hardenability of steel; deformation storage energy cannot be introduced during end quenching gradient heat treatment, nucleation driving force cannot be provided for recrystallization grain nucleation, so that the influence on grain size distribution is small, the influence on the size of a second phase is mainly generated, and only the relation between a heat treatment process and the structure and the performance can be obtained; in addition, the traditional thermal compression and hot extrusion methods cannot achieve the effect of gradient deformation, have the problems of low efficiency and high cost, and have poor cooling effect in the processing process, so that it is necessary to design a high-throughput preparation method and device for gradient thermal deformation and gradient thermal treatment.
Disclosure of Invention
The invention aims to provide a high-flux preparation method and a device for gradient thermal deformation and gradient heat treatment, wherein the high-flux preparation method effectively realizes the gradient thermal deformation and gradient heat treatment of a metal material, can efficiently obtain the metal material with grain gradient distribution, second phase gradient distribution and performance gradient distribution, and realizes the high-flux preparation and processing of a metal sample.
The aim of the invention can be achieved by the following technical scheme:
a high-throughput preparation method for gradient thermal deformation and gradient heat treatment comprises the following steps;
step S1: when the heating resistance wire is started and heated to a preset temperature, the blank is pressed into the trapezoidal table die through the pressure head to generate gradient thermal deformation, deformation storage energy, namely grain nucleation driving force is also distributed in a gradient manner, and the size and distribution of the gradient thermal deformation amount are controlled by controlling the die size;
step S2: after the blank is pressed into the trapezoidal table die, the heating resistance wire is closed, and heating is stopped, but the pressure head does not withdraw, so that the upper end of the blank is prevented from being cooled due to heat diffusion;
step S3: starting a water source, an air source or an oil source, spraying and pressing the blank into the lower end of the blank, wherein the flow speed and the flow rate are adjustable, the heat dissipation and the cooling speed of the lower end of the blank and a cooling medium are higher through heat exchange, and the heat dissipation and the cooling speed of the blank are gradually increased through heat transfer from top to bottom, so that the pressed blank generates temperature gradient distribution and is adjustable;
step S4: when the blank is cooled to a preset temperature, the blank is ejected from the bottom of the trapezoid table die through the ejector rod after the blank is ejected from the cooling spray heads at the bottoms of the pressing head and the trapezoid table die;
step S5: finally, the gradient distribution of the grains with big upper grains and small lower grains and the gradient distribution structure of the second phase with little precipitated second phase at the upper end, big size and much precipitated second phase at the lower end and small size are obtained, and the performance is also gradient analysis.
As a further scheme of the invention: the ratio of the upper end side length to the lower end side length of the trapezoid table die ranges from 3:1 to 10:1, the height of the trapezoid table die ranges from 5cm to 100cm, and the blank heating time ranges from 10min to 5h; the heating temperature of the blank ranges from 200 ℃ to 1300 ℃; the cooling time is 10min-5h.
The utility model provides a high flux preparation facilities of gradient thermal deformation and gradient thermal treatment, includes frame, electronic slider, installation chassis, cooling module, unloading subassembly, workstation, trapezoidal platform mould, swager assembly and supporting leg, the top terminal surface central authorities of frame are provided with electronic slider, and the top terminal surface fixed mounting of electronic slider has the installation chassis, top terminal surface one side of installation chassis is provided with cooling module, the top terminal surface opposite side of installation chassis is provided with the unloading subassembly, the top terminal surface top of frame is fixed mounting has the workstation, and the terminal surface central authorities of workstation have seted up blanking hole, the top terminal surface central authorities of workstation are fixed mounting has trapezoidal platform mould, and the bottom terminal surface and the blanking hole intercommunication of trapezoidal platform mould, top terminal surface one side top of workstation is provided with the swager assembly, the bottom terminal surface all is through welded fixed mounting supporting leg all around the frame;
the cooling assembly comprises a liquid storage tank, a material injection table, a cooling liquid pump, a cooling pipe, a cooling spray head and a supporting transverse plate, wherein the liquid storage tank is fixedly installed at the center of one side end face of the top of the frame through screws, the material injection table is arranged at the center of the top end face of the liquid storage tank, the supporting transverse plate is fixedly installed at one side of the top end face of the installation chassis through screws, the cooling liquid pump is arranged at the center of the inner side of the supporting transverse plate, the bottom of the cooling liquid pump is fixedly connected with the installation chassis through screws, the cooling pipe is fixedly installed at the center of the top end face of the cooling liquid pump, and one end of the top of the cooling pipe penetrates through the supporting transverse plate to be connected with the cooling spray head.
As a further scheme of the invention: the guide groove is formed in the center of the top end face of the frame, an electric guide rail is fixedly arranged in the guide groove, and an electric sliding block is arranged on the top end face of the electric guide rail.
As a further scheme of the invention: the inner center and the outer side of the trapezoid table die are provided with first electric heating layers, and heating resistance wires are arranged in the first electric heating layers.
As a further scheme of the invention: and a water inlet at one end of the cooling liquid pump is connected with a folding hose, and the other end of the folding hose penetrates through the end face of the liquid storage tank and is positioned at the bottom of the inner side of the liquid storage tank.
As a further scheme of the invention: the blanking assembly comprises an electric cylinder, an ejector rod and a scratch-resistant backing plate, wherein the electric cylinder is fixedly arranged on the other side of the top end face of the installation underframe through bolts, the ejector rod is arranged in the center of the top end face of the electric cylinder, and the scratch-resistant backing plate is connected and arranged on the top end face of the ejector rod.
As a further scheme of the invention: the material pressing assembly comprises a fixing frame, a mounting support, a hydraulic cylinder, an inclined strut, a hydraulic rod and a pressure head, wherein the fixing frame is fixedly arranged on one side of the top end face of the workbench through welding, the inclined strut is fixedly arranged on the top of the inner wall of the fixing frame through bolts, the mounting support is fixedly arranged at the center of the top end face of the fixing frame, the hydraulic cylinder is fixedly arranged at the center of the end face of the mounting support through bolts, the hydraulic rod is inserted and arranged at the bottom end face of the hydraulic cylinder, and the pressure head is fixedly arranged at the bottom end face of the hydraulic rod.
As a further scheme of the invention: the second electric heating layer is arranged in the pressure head, and the heating resistance wire is arranged in the second electric heating layer.
The invention has the beneficial effects that:
1. according to the high-flux preparation method, the lower end of the blank and the cooling medium are subjected to heat exchange to dissipate heat and cool the blank quickly, and the blank is subjected to heat transfer from top to bottom to dissipate heat and cool the blank gradually and quickly, so that the pressed blank is distributed in a temperature gradient manner and is adjustable; the gradient thermal deformation and gradient heat treatment of the metal material are effectively realized, the metal material with grain gradient distribution, second phase gradient distribution and performance gradient distribution can be efficiently obtained, and the high-flux preparation and processing of the metal sample are realized.
2. The high-flux preparation device is simple in structure and firm in structural support; when the cooling device is used, cooling and ejection discharging can be performed according to the use requirement, the cooling effect is good, the discharging is convenient, and the operation is simple; moreover, the stamping effect is good.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a high throughput preparation apparatus of the present invention;
FIG. 2 is an overall left side view of the high throughput preparation apparatus of this invention;
FIG. 3 is an overall right side view of the high throughput preparation apparatus of this invention;
FIG. 4 is an overall rear view of the high throughput preparation apparatus of this invention;
FIG. 5 is a first overall cross-sectional view of the high throughput preparation apparatus of this invention;
FIG. 6 is a second overall cross-sectional view of the high throughput preparation apparatus of this invention;
FIG. 7 is a third overall cross-sectional view of the high throughput preparation apparatus of this invention;
in the figure: 1. a frame; 2. an electric slide block; 3. installing an underframe; 4. a cooling assembly; 5. a blanking assembly; 6. a work table; 7. a trapezoidal table mold; 8. a pressing assembly; 9. support legs; 10. a first electrically heated layer; 41. a liquid storage tank; 42. a material injection table; 43. folding the hose; 44. a coolant pump; 45. a cooling tube; 46. cooling the spray head; 47. a supporting cross plate; 51. an electric cylinder; 52. an ejector rod; 53. scratch-resistant backing plate; 81. a fixing frame; 82. a mounting support; 83. a hydraulic cylinder; 84. a diagonal bracing frame; 85. a hydraulic rod; 86. a second electrically heated layer; 87. a pressure head.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious 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.
As shown in fig. 1 to 7, a high-throughput preparation method of gradient thermal deformation and gradient heat treatment comprises the following steps;
step S1: when the heating resistance wire is started and heated to a preset temperature, the blank is pressed into the trapezoid table die 7 through the pressing head 87, gradient thermal deformation is generated, deformation storage energy, namely grain nucleation driving force, is also distributed in a gradient mode, and the size and distribution of the gradient thermal deformation amount can be controlled by controlling the die size;
step S2: after the blank is pressed into the trapezoidal table die 7, the heating resistance wire is closed, and the heating is stopped, but the pressing head 87 is not withdrawn, so that the upper end of the blank is prevented from being cooled due to heat diffusion;
step S3: starting a water source, an air source or an oil source, spraying and pressing the blank into the lower end of the blank, wherein the flow speed and the flow rate are adjustable, the heat dissipation and the cooling speed of the lower end of the blank and a cooling medium are higher through heat exchange, and the heat dissipation and the cooling speed of the blank are gradually increased through heat transfer from top to bottom, so that the pressed blank generates temperature gradient distribution and is adjustable;
step S4: when cooling to a preset temperature, the pressing head 87 and the cooling spray head 46 at the bottom of the trapezoid table die 7 are withdrawn, the blank enters the ejector rod 52, and the blank is ejected from the bottom of the trapezoid table die 7 through the ejector rod 52;
step S5: finally, the gradient distribution of the grains with big upper grains and small lower grains and the gradient distribution structure of the second phase with little precipitated second phase at the upper end, big size and much precipitated second phase at the lower end and small size are obtained, and the performance is also gradient analysis.
The utility model provides a high flux preparation facilities of gradient heat altered shape and gradient thermal treatment, which comprises a frame 1, electronic slider 2, the installation chassis 3, cooling module 4, unloading subassembly 5, workstation 6, trapezoidal platform mould 7, swage subassembly 8 and supporting leg 9, the top of the top terminal surface central authorities of frame 1 are provided with electronic slider 2, and the top terminal surface fixed mounting of electronic slider 2 has the installation chassis 3, the top terminal surface one side of installation chassis 3 is provided with cooling module 4, the top terminal surface opposite side of installation chassis 3 is provided with unloading subassembly 5, the top terminal surface top of frame 1 is fixed mounting has workstation 6, and the terminal surface central authorities of workstation 6 have offered the blanking hole, the top terminal surface central authorities of workstation 6 have trapezoidal platform mould 7, and the bottom terminal surface and the blanking hole intercommunication of trapezoidal platform mould 7, top terminal surface one side top of workstation 6 is provided with swage subassembly 8, the bottom terminal surface all around of frame 1 has supporting leg 9 through welded fastening;
the cooling assembly 4 comprises a liquid storage tank 41, a material injection table 42, a cooling liquid pump 44, a cooling pipe 45, a cooling spray nozzle 46 and a supporting transverse plate 47, wherein the liquid storage tank 41 is fixedly arranged at the center of one side end face of the top of the frame 1 through screws, the material injection table 42 is arranged at the center of the top end face of the liquid storage tank 41, the supporting transverse plate 47 is fixedly arranged at one side of the top end face of the mounting underframe 3 through screws, the cooling liquid pump 44 is arranged at the center of the inner side of the supporting transverse plate 47, the bottom of the cooling liquid pump 44 is fixedly connected with the mounting underframe 3 through screws, the cooling pipe 45 is fixedly arranged at the center of the top end face of the cooling liquid pump 44, and one end of the top of the cooling pipe 45 penetrates through the supporting transverse plate 47 to be connected with the cooling spray nozzle 46;
a guide groove is formed in the center of the top end face of the frame 1, an electric guide rail is fixedly arranged in the guide groove, an electric sliding block 2 is arranged on the top end face of the electric guide rail, and the position of the electric sliding block 2 is convenient to adjust through the electric guide rail;
the first electric heating layers 10 are arranged at the center and the outer side of the inside of the trapezoidal table die 7, and heating resistance wires are arranged in the first electric heating layers 10, so that the trapezoidal table die 7 can be heated conveniently;
a water inlet at one end of the cooling liquid pump 44 is connected with a folding hose 43, and the other end of the folding hose 43 penetrates through the end face of the liquid storage tank 41 and is positioned at the bottom of the inner side of the liquid storage tank 41, so that cooling liquid is conveniently conveyed;
the blanking assembly 5 comprises an electric cylinder 51, an ejector rod 52 and a scraping-resistant backing plate 53, the electric cylinder 51 is fixedly arranged on the other side of the top end surface of the installation underframe 3 through bolts, the ejector rod 52 is arranged in the center of the top end surface of the electric cylinder 51, and the scraping-resistant backing plate 53 is connected and arranged on the top end surface of the ejector rod 52, so that the ejection and blanking are facilitated;
the pressing assembly 8 comprises a fixing frame 81, a mounting support 82, a hydraulic cylinder 83, an inclined strut 84, a hydraulic rod 85 and a pressing head 87, wherein the fixing frame 81 is fixedly installed on one side of the top end face of the workbench 6 through welding, the inclined strut 84 is fixedly installed on the top of the inner wall of the fixing frame 81 through bolts, the mounting support 82 is fixedly installed in the center of the top end face of the fixing frame 81, the hydraulic cylinder 83 is fixedly installed in the center of the end face of the mounting support 82 through bolts, the hydraulic rod 85 is installed in an inserted connection mode on the bottom end face of the hydraulic cylinder 83, the pressing head 87 is fixedly installed on the bottom end face of the hydraulic rod 85, and pressing is convenient to conduct through the pressing assembly 8;
the second electric heating layer 86 is arranged in the pressure head 87, and a heating resistance wire is arranged in the second electric heating layer 86, so that the pressure head 87 is heated conveniently to realize isothermal compression;
the ratio of the upper end side length to the lower end side length of the trapezoid table die 7 ranges from 3:1 to 10:1, the height ranges from 5cm to 100cm, and the blank heating time ranges from 10min to 5h; the heating temperature of the blank ranges from 200 ℃ to 1300 ℃; the cooling time is 10min-5h.
Wherein the ratio of the upper end side length to the lower end side length of the trapezoid table die 7 is 3:1, the height is 5cm, and the blank heating time range is 10min; the heating temperature range of the blank is 200 ℃; the cooling time was in the range of 10min.
The working principle of the invention is as follows: when the die-casting die is used, the stand 1 is supported by the supporting legs 9 at the bottom of the stand 1, a blank to be processed is placed on the end face of the trapezoidal table die 7 at the top of the workbench 6, die casting is performed by the pressing component 8, heating resistance wires in the first electric heating layer 10 and the second electric heating layer 86 are started, when the die-casting die is heated to a preset temperature, the hydraulic cylinders 83 arranged in the mounting support 82 work, the hydraulic cylinders 83 push the pressing heads 87 to move downwards through the hydraulic rods 85, gradient thermal deformation is generated after the blank is pressed into the trapezoidal table die 7 by the pressing heads 87, deformation storage energy, namely grain nucleation driving force is also distributed in a gradient mode, and the size and the distribution of the gradient thermal deformation amount can be controlled by controlling the die size; after the blank is pressed into the trapezoidal table die 7, the heating resistance wire is closed, and the heating is stopped, but the pressing head 87 is not withdrawn, so that the upper end of the blank is prevented from being cooled due to heat diffusion; the water source, the air source or the oil source is sprayed and cooled through the cooling component 4 at the top of the installation underframe 3, the electric guide rail is convenient for adjusting the position of the electric sliding block 2, the installation underframe 3 is moved to a proper position through the electric sliding block 2, the cooling spray nozzle 46 is positioned at the bottom of a blanking hole of the workbench 6, after cooling liquid is conveyed into the liquid storage tank 41 through the material injection table 42, the cooling liquid pump 44 on one side of the supporting transverse plate 47 works, the cooling liquid pump 44 conveys the cooling liquid in the liquid storage tank 41 to the cooling pipe 45 through the folding hose 43, the cooling liquid is sprayed and pressed into the lower end of a blank through the cooling spray nozzle 46, the flow speed and the flow rate are adjustable, the lower end of the blank and a cooling medium are cooled through heat exchange, the cooling speed of the blank is gradually increased through heat transfer from top to bottom, and the pressed blank is distributed and adjustable in a temperature gradient manner; when the workpiece is cooled to a preset temperature, the pressing head 87 and the cooling spray head 46 at the bottom of the trapezoid table die 7 are withdrawn, the underframe 3 is installed for working, the blanking assembly 5 is moved to the position below the bottom of the blanking hole of the workbench 6, the electric cylinder 51 works, the electric cylinder 51 pushes the ejector rod 52 to move upwards, and the ejector rod 52 pushes the scratch-resistant base plate 53 to eject blanks inside the trapezoid table die 7 from the inside of the trapezoid table die 7; the hydraulic cylinder 83 can be stably supported by the fixing frame 81 and the diagonal brace 84; finally, the gradient distribution of the grains with big upper grains and small lower grains and the gradient distribution structure of the second phase with little precipitated second phase at the upper end, big size and much precipitated second phase at the lower end and small size are obtained, and the performance is also gradient analysis.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (2)

1. The high-flux preparation method for gradient thermal deformation and gradient heat treatment is characterized by comprising the following steps of;
step S1: when the heating resistance wire is started and heated to a preset temperature, the blank is pressed into the trapezoid table die (7) through the pressing head (87), gradient thermal deformation is generated, deformation storage energy, namely grain nucleation driving force, is also distributed in a gradient mode, and the size and distribution of the gradient thermal deformation amount are controlled by controlling the die size;
the ratio of the upper end side length to the lower end side length of the trapezoid table die (7) is 3:1-10:1, the height is 5 cm-100 cm, and the blank heating time is 10min-5h; the heating temperature of the blank ranges from 200 ℃ to 1300 ℃; the cooling time ranges from 10min to 5h;
step S2: after the blank is pressed into the trapezoid table die (7), the heating resistance wire is closed, heating is stopped, but the pressing head (87) is not withdrawn, so that the upper end of the blank is prevented from being cooled due to heat diffusion;
step S3: starting a water source, an air source or an oil source, spraying and pressing the blank into the lower end of the blank, wherein the flow speed and the flow rate are adjustable, the heat dissipation and the cooling speed of the lower end of the blank and a cooling medium are higher through heat exchange, and the heat dissipation and the cooling speed of the blank are gradually increased through heat transfer from top to bottom, so that the pressed blank generates temperature gradient distribution and is adjustable;
step S4: when the blank is cooled to a preset temperature, the blank is ejected from the bottom of the trapezoid table die (7) through the ejector rod (52) after the blank is ejected out of the pressing head (87) and the cooling spray head (46) at the bottom of the trapezoid table die (7);
step S5: finally, the gradient distribution of the grains with big upper grains and small lower grains and the gradient distribution structure of the second phase with little precipitated second phase at the upper end, big size and much precipitated second phase at the lower end and small size are obtained, and the performance is also gradient analysis.
2. The utility model provides a high flux preparation facilities of gradient thermal deformation and gradient thermal treatment, its characterized in that includes frame (1), electronic slider (2), installation chassis (3), cooling module (4), unloading subassembly (5), workstation (6), trapezoidal platform mould (7), swage subassembly (8) and supporting leg (9), the top terminal surface central authorities top of frame (1) are provided with electronic slider (2), and the top terminal surface fixed mounting of electronic slider (2) has installation chassis (3), top terminal surface one side of installation chassis (3) is provided with cooling module (4), the top terminal surface opposite side of installation chassis (3) is provided with unloading subassembly (5), workstation (6) are fixed to the top terminal surface top of frame (1), and the terminal surface central authorities of workstation (6) have seted up the blanking hole, the top terminal surface central authorities of workstation (6) have trapezoidal platform mould (7), and the bottom terminal surface and the intercommunication of trapezoidal platform mould (7), top terminal surface one side top of workstation (6) is provided with swage subassembly (8), the bottom of frame (1) is through fixed mounting all around the supporting leg (9) of welding;
the cooling assembly (4) comprises a liquid storage tank (41), a material injection table (42), a cooling liquid pump (44), a cooling pipe (45), a cooling spray head (46) and a supporting transverse plate (47), wherein the liquid storage tank (41) is fixedly arranged at the center of one side end face of the top of the frame (1) through a screw, the material injection table (42) is arranged at the center of the top end face of the liquid storage tank (41), the supporting transverse plate (47) is fixedly arranged at one side of the top end face of the mounting underframe (3) through a screw, the cooling liquid pump (44) is arranged at the center of the inner side of the supporting transverse plate (47), the bottom of the cooling liquid pump (44) is fixedly connected with the mounting underframe (3) through a screw, the cooling pipe (45) is fixedly arranged at the center of the top end face of the cooling liquid pump (44), and one end of the top of the cooling pipe (45) penetrates through the supporting transverse plate (47) to be connected with the cooling spray head (46);
a guide groove is formed in the center of the top end face of the frame (1), an electric guide rail is fixedly arranged in the guide groove, and an electric sliding block (2) is arranged on the top end face of the electric guide rail;
the middle and the outer sides of the inside of the trapezoid table die (7) are provided with first electric heating layers (10), and heating resistance wires are arranged in the first electric heating layers (10);
a water inlet at one end of the coolant pump (44) is connected with a folding hose (43), and the other end of the folding hose (43) penetrates through the end face of the liquid storage tank (41) and is positioned at the bottom of the inner side of the liquid storage tank (41);
the blanking assembly (5) comprises an electric cylinder (51), an ejector rod (52) and a scraping-preventing base plate (53), the electric cylinder (51) is fixedly arranged on the other side of the top end face of the installation underframe (3) through bolts, the ejector rod (52) is arranged in the center of the top end face of the electric cylinder (51), and the scraping-preventing base plate (53) is connected and arranged on the top end face of the ejector rod (52);
the material pressing assembly (8) comprises a fixing frame (81), a mounting support (82), a hydraulic cylinder (83), an inclined strut (84), a hydraulic rod (85) and a pressing head (87), wherein the fixing frame (81) is fixedly arranged on one side of the top end face of the workbench (6) through welding, the inclined strut (84) is fixedly arranged on the top of the inner wall of the fixing frame (81) through bolts, the mounting support (82) is fixedly arranged at the center of the top end face of the fixing frame (81), the hydraulic cylinder (83) is fixedly arranged at the center of the end face of the mounting support (82) through bolts, the hydraulic rod (85) is inserted and arranged at the bottom end face of the hydraulic rod (83), and the pressing head (87) is fixedly arranged at the bottom end face of the hydraulic rod (85);
the second electric heating layer (86) is arranged in the pressure head (87), and a heating resistance wire is arranged in the second electric heating layer (86).
CN202110504774.8A 2021-05-10 2021-05-10 High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment Active CN113234905B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110504774.8A CN113234905B (en) 2021-05-10 2021-05-10 High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110504774.8A CN113234905B (en) 2021-05-10 2021-05-10 High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment

Publications (2)

Publication Number Publication Date
CN113234905A CN113234905A (en) 2021-08-10
CN113234905B true CN113234905B (en) 2023-06-13

Family

ID=77133132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110504774.8A Active CN113234905B (en) 2021-05-10 2021-05-10 High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment

Country Status (1)

Country Link
CN (1) CN113234905B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117282968B (en) * 2023-11-24 2024-02-09 烟台大学 High-flux preparation method and device for high-temperature alloy block

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104451090A (en) * 2014-11-19 2015-03-25 中南大学 Continuous temperature-gradient heat treatment method of material
CN106676436A (en) * 2017-03-29 2017-05-17 山东省科学院新材料研究所 Heat treatment furnace capable of achieving gradient distribution of temperature of extrusion billet and heat treatment method
CN107502765A (en) * 2017-10-12 2017-12-22 钢铁研究总院 A kind of high flux micro manufacturing method of multi-component material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772090A (en) * 1971-07-22 1973-11-13 Gen Electric Alloy microstructure control
CN102912086B (en) * 2012-08-16 2014-09-03 西北工业大学 Rod material gradient heat treatment method
CN108642384B (en) * 2018-05-21 2020-01-21 合肥通用机械研究院有限公司 Preparation method of high-flux fine-grain reinforced metal material sample
CN110057856A (en) * 2019-05-15 2019-07-26 中南大学 A kind of high-temperature gradient thermal deformation high throughput test macro
CN110560500B (en) * 2019-08-27 2021-12-31 太原理工大学 Synchronous extruding and twisting composite device for screw-driven fine-grain magnesium alloy and processing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104451090A (en) * 2014-11-19 2015-03-25 中南大学 Continuous temperature-gradient heat treatment method of material
CN106676436A (en) * 2017-03-29 2017-05-17 山东省科学院新材料研究所 Heat treatment furnace capable of achieving gradient distribution of temperature of extrusion billet and heat treatment method
CN107502765A (en) * 2017-10-12 2017-12-22 钢铁研究总院 A kind of high flux micro manufacturing method of multi-component material

Also Published As

Publication number Publication date
CN113234905A (en) 2021-08-10

Similar Documents

Publication Publication Date Title
CN113234905B (en) High-flux preparation method and device for gradient thermal deformation and gradient thermal treatment
CN104087725B (en) High-strength steel thermoforming area heating installation
CN101391269A (en) Broad-width extrusion device and technique thereof
CN113218744B (en) High-flux preparation method and device for backward extrusion gradient thermal deformation and gradient thermal treatment
CN108838350B (en) Round steel casting steel mould bracket device and application thereof
CN113234904B (en) High-flux preparation method and device of gradient material
CN108994135A (en) A kind of quenching integrated manufacturing process of hot forming
CN205576224U (en) Pressure cooling device that quenches
CN212884508U (en) High-precision high-speed hot extrusion die
CN210453635U (en) Heating and cooling device
CN112247049B (en) Anti-rotation seat and machining method thereof
CN101948943A (en) Mold surface quenching device and method
CN106399652B (en) A kind of pipe fitting quenching apparatus
CN105648168A (en) Pressure quenching cooling device
CN110328324B (en) Be used for forging production to use unloader
CN220479975U (en) Thermoforming stamping device
CN212420231U (en) Welding device for producing automobile water pump belt pulley
CN219464557U (en) Buckling equipment for heat exchanger processing
CN220977069U (en) Rapid cooling equipment after quenching heat treatment
CN217202845U (en) Clamping device for quenching ultrahigh-strength steel thin-wall structural part
CN220295820U (en) Quick forming precision die-casting mould embryo
CN220973249U (en) Multi-station injection molding device
CN219861506U (en) Aluminum profile heat treatment machine
CN220943152U (en) Adjustable aluminum alloy forming die
CN221734627U (en) Stamping die with cooling function

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