CN111534677A - Well type high-performance aluminum alloy heat treatment auxiliary system - Google Patents
Well type high-performance aluminum alloy heat treatment auxiliary system Download PDFInfo
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- CN111534677A CN111534677A CN202010592874.6A CN202010592874A CN111534677A CN 111534677 A CN111534677 A CN 111534677A CN 202010592874 A CN202010592874 A CN 202010592874A CN 111534677 A CN111534677 A CN 111534677A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- 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
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Abstract
The invention discloses a well-type high-performance aluminum alloy heat treatment auxiliary system, which comprises a capsule cabin body for placing aluminum alloy, a well group and a processing device group arranged at the periphery of the well group, wherein the capsule cabin body is used for placing aluminum alloy; the side edge of the capsule cabin body is provided with a cabin door for aluminum alloy to enter and exit and at least one processing port for communicating the processing device group, and a sealing cover is arranged on the processing port; the hoistway group comprises a primary hoistway and a plurality of secondary hoistways communicated with the primary hoistway, and the primary hoistway and the secondary hoistways are vertically arranged underground; the processing device set comprises a quick cooling device and a heating device, the quick cooling device is arranged along the axial direction of the first-level well, the heating device is arranged along the circumferential direction and the axial direction of the first-level well, and the quick cooling device can be communicated with the processing port. The invention provides a continuous heat treatment auxiliary system suitable for industrial application for aluminum alloy manufacture, particularly for continuous treatment after aluminum alloy quenching, shortens the aging processing time of the aluminum alloy, improves the performance of the aluminum alloy and reduces the production cost.
Description
Technical Field
The invention relates to the technical field of aluminum alloy processing, in particular to aluminum alloy quenching post-treatment, and particularly relates to a well type high-performance aluminum alloy heat treatment auxiliary system.
Background
The heat treatment of the aluminum alloy is to select a certain heat treatment standard, control the heating speed to rise to a certain corresponding temperature, keep the temperature for a certain time and cool at a certain speed to change the structure of the alloy, and the main purposes are to improve the mechanical property of the alloy, enhance the corrosion resistance, improve the processing performance and obtain the dimensional stability.
For steels with higher carbon content, a very high hardness is obtained immediately after quenching, while the plasticity is very low. However, the aluminum alloy is not the same, and the strength and hardness do not increase immediately after the quenching, but the plasticity does not decrease but increases rather. However, the strength and hardness of the quenched alloy can be obviously improved after the alloy is placed for a period of time (such as 4-6 days and nights), and the plasticity is obviously reduced. The phenomenon that the strength and the hardness of the aluminum alloy after quenching are obviously improved along with the increase of time is called aging. Aging can occur at normal temperature, called natural aging, or within a certain temperature range (such as 100-200 ℃) higher than room temperature, called artificial aging.
In CN106591632B, the aluminum alloy is processed by solution treatment, cryogenic treatment and aging treatment. The solution treatment is carried out in an air furnace or a salt bath furnace, the heating temperature is 470-535 ℃, the heat preservation time is the maximum section thickness tmm multiplied by 3.0-10.0 min/mm, and then the alloy is subjected to water quenching at room temperature. The subzero treatment is to carry out subzero treatment on the quenched alloy in an environment box, wherein the cooling temperature is-80 ℃ to-190 ℃, and the heat preservation time is 0.5-5 h. The aging treatment is to immediately perform single-stage or double-stage artificial aging treatment on the alloy subjected to cryogenic treatment, a mode of entering a furnace at a warm state is adopted during aging, residual stress in the alloy is eliminated through stress generated by temperature difference change, specifically, the single-stage aging process is 120-173 ℃/8-36 h, and the double-stage aging process is as follows: 90-135 ℃/10-28 h + 140-165 ℃/6-16 h, and continuous furnace temperature rise is adopted between primary and secondary aging. However, the aluminum alloy processing mode has no continuous processing system, and is particularly applied to industrial production. Therefore, it is necessary to provide a further solution to the above problems.
Disclosure of Invention
The invention aims to provide a well type high-performance aluminum alloy heat treatment auxiliary system to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a well-type high-performance aluminum alloy heat treatment auxiliary system comprises a capsule cabin body for placing aluminum alloy, a well group and a processing device group arranged on the periphery of the well group;
a cabin door for aluminum alloy to enter and exit and at least one processing port for communicating the processing device group are arranged on the side edge of the capsule cabin body, and a sealing cover is arranged on the processing port;
the hoistway group comprises a primary hoistway and a plurality of secondary hoistways communicated with the primary hoistway, the primary hoistway and the secondary hoistways are vertically arranged underground, and openings of the primary hoistway and the secondary hoistways on the ground are in a ramp shape;
the processing device set comprises a quick cooling device and a warming device, the quick cooling device is arranged along the axial direction of the first-level shaft, the warming device is arranged along the circumferential direction and the axial direction of the first-level shaft, and the quick cooling device can be communicated with the processing port.
In a preferred embodiment of the present invention, the capsule further comprises a guiding device, wherein the guiding device comprises a guiding block arranged at a side of the capsule body, and a guiding rail arranged outside the well group and/or inside the well group.
In a preferred embodiment of the present invention, the guiding device further includes a lifting rod disposed above the primary shaft, and the lifting rod is capable of moving into and along the primary shaft.
In a preferred embodiment of the invention, the guiding means comprises at least two opposite guide rails and at least two pairs of guide blocks arranged at the sides of the capsule body, the two pairs of guide blocks clamping the capsule body between the two guide rails.
In a preferred embodiment of the invention, the end of the capsule cabin body is provided with a brake assembly, the brake assembly comprises an open-loop brake pad circumferentially arranged along the capsule cabin body and a telescopic rod arranged in the capsule cabin body, and the telescopic rod is fixed with the open-loop brake pad along the radial direction of the open-loop brake pad.
In a preferred embodiment of the present invention, the rapid cooling device includes a cold air producing device and an air extracting device, and the cold air producing device and the air extracting device are disposed in axial symmetry by taking the primary shaft as an axis and can be respectively communicated with the corresponding processing ports on the capsule body.
In a preferred embodiment of the present invention, the capsule comprises a plurality of capsule bodies connected in sequence, a movable rod is connected between the plurality of capsule bodies, and two ends of the movable rod are respectively connected with two adjacent capsule bodies through universal balls.
In a preferred embodiment of the present invention, the temperature raising device is disposed along a circumferential direction and an axial direction of the secondary shaft.
In a preferred embodiment of the invention, the bottom of the primary shaft is communicated with a plurality of secondary shafts, and a blocking plate is arranged at the communication position of the primary shaft and the secondary shafts and can open or close the communication between the primary shaft and the secondary shafts.
In a preferred embodiment of the invention, a plurality of the secondary hoistways are distributed along the circumference of the primary hoistway.
In a preferred embodiment of the invention, the brake components are arranged at both ends of the capsule body, and a rope is connected between the two brake components.
In a preferred embodiment of the present invention, the primary shaft and the secondary shaft are communicated through a curved shaft, and the curved shaft has an arc-shaped structure.
In a preferred embodiment of the invention, the inner side wall of the capsule cabin body is provided with an asbestos heat insulation layer.
In a preferred embodiment of the invention, the capsule body is made of a ceramic material.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a continuous heat treatment auxiliary system suitable for industrial application for aluminum alloy manufacture, particularly for continuous treatment after aluminum alloy quenching, shortens the aluminum alloy aging processing time, improves the aluminum alloy performance, realizes production line type uninterrupted production and reduces the production cost.
(2) According to the invention, the multiple well ways are arranged, the primary well way is used as a main processing position, and the multiple secondary well ways are used as post-processing positions, so that on one hand, ground field resources are saved, on the other hand, the rapid movement of aluminum alloy is realized in the vertical well way, the multiple processing positions are distributed, the processing is refined, the utilization rate of a processing device group is improved, and the production cost is reduced.
(3) According to the invention, the capsule body provides a carrier for the movement of the aluminum alloy, and meanwhile, the capsule body is matched with the well, so that the aluminum alloy can move quickly and the turning is convenient; meanwhile, a smaller cooling space is provided for cooling the aluminum alloy, the cooling efficiency is improved, and the extremely-fast cooling is realized.
(4) The capsule cabin body is always kept in a relatively stable state through the guide device, so that the shaking of the capsule cabin body is reduced, and the shaking collision of the internal aluminum alloy is reduced.
(5) According to the capsule cabin, the capsule cabin body is pushed from the primary shaft to the secondary shaft through the jacking rod, and the capsule cabin bodies connected in sequence are matched to realize the ground opening close to the secondary shaft, so that the capsule cabin body can be conveniently moved out of the secondary shaft, and energy is saved.
(6) According to the invention, the air exhaust device and the cold air manufacturing device are oppositely arranged and matched, so that cold air can rapidly and uniformly flow on the surface of the aluminum alloy, and rapid cooling is realized.
(7) The capsule cabin distribution and movement control device realizes the control of the capsule cabin body to be distributed and moved to different second-level shafts through the separation plate arranged between the first-level shaft and the second-level shaft, and has simple arrangement and high stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective schematic view of the present invention;
FIG. 3 is a schematic perspective view of the capsule body according to the present invention;
FIG. 4 is an enlarged perspective view of a portion of the present invention;
FIG. 5 is an enlarged perspective view of the capsule body according to another embodiment of the present invention;
FIG. 6 is an enlarged perspective view of the capsule body in the braking state in the embodiment of FIG. 5.
Specifically, the ground, 1-ground,
100-capsule body, 110-capsule door, 120-sealing cover, 130-movable rod,
200-hoistway set, 210-primary hoistway, 220-secondary hoistway, 230-curved hoistway, 240-barrier plate,
300-processing device group, 310-quick cooling device, 320-heating device,
410-guide block, 420-guide rail;
500-brake component, 510-open loop brake block, 520-telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like 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. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 and 2, a well-type high-performance aluminum alloy heat treatment auxiliary system includes a capsule body 100 for placing aluminum alloy, a well group 200 for providing a processing position, and a processing device group 300 disposed at the periphery of the well group 200. The invention provides a continuous heat treatment auxiliary system suitable for industrial application for aluminum alloy manufacture, particularly for continuous treatment after aluminum alloy quenching, shortens the aluminum alloy aging processing time, improves the aluminum alloy performance, realizes production line type uninterrupted production and reduces the production cost.
Specifically, as shown in fig. 3, the capsule body 100 is a cylindrical structure with two hemispherical ends, and the curved end of the cylindrical structure facilitates the turning in the hoistway and reduces the collision vibration and damage. The capsule cabin body 100 provides a carrier for the movement of the aluminum alloy, and meanwhile, the capsule cabin body 100 is matched with the primary shaft 210 and the secondary shaft 220 to realize the rapid movement of the aluminum alloy. The capsule body 100 is provided with a door 110 and a processing opening at the side, it being understood that a cover 120 is provided at the processing opening. The hatch 110 is used for the aluminum alloy to pass in and out, and is generally longer and wider along the length direction of the capsule body 100 so as to be convenient for placing and taking out, specifically, the aluminum alloy can be fixed by a plurality of lifting ropes, fixed at a clamping position or fixed in other modes in the capsule body 100, and is specifically selected according to the shapes, performances and the like of different aluminum alloy castings. The machining ports are used for communicating the machining device group 300, the number and the positions of the machining ports are arranged according to the machining device group 300, at least one machining port is arranged, and two, three or more machining ports can be arranged.
As shown in fig. 2, the hoistway set 200 includes a primary hoistway 210 and a plurality of secondary hoistways 220 in communication with the primary hoistway 210. The first-stage shaft 210 and the second-stage shaft 220 are both vertically arranged underground, and the openings of the first-stage shaft 210 and the second-stage shaft 220 on the ground 1 are both in a ramp shape, so that the capsule body 100 can conveniently slide in or out. Each of the primary hoistway 210 and the secondary hoistway 220 includes a first opening disposed on the ground 1 and a second opening disposed underground opposite to the first opening, and a line connecting the first opening and the second opening is substantially perpendicular to a horizontal plane. The second opening of the primary shaft 210 is communicated with the second opening of the secondary shaft 220, so that the capsule body 100 slides into the primary shaft 210 from the first opening of the primary shaft 210, enters the second opening of the secondary shaft 220 from the second opening of the primary shaft 210, and finally slides out from the first opening of the secondary shaft 220, and continuous processing is realized.
As shown in fig. 4, the processing device set 300 includes a rapid cooling device 310 and a temperature increasing device 320. The rapid cooling device 310 is disposed along the axial direction of the primary hoistway 210. The temperature raising device 320 is arranged along the circumferential direction and the axial direction of the primary shaft 210 to uniformly heat the aluminum alloy. The quick cooling device 310 can be communicated with the processing port to directly realize quick cooling on the aluminum alloy in the capsule body 100. The quick-cooling device 310 can be according to one-level well 210 length and the processing mouth position setting of the capsule cabin body 100, generally speaking, the capsule cabin body 100 through a plurality of fixed connection in proper order slides in one-level well 210, lateral wall and the limited action of bottom to the capsule cabin body 100 through one-level well 210, make the capsule cabin body 100 gesture stable in one-level well 210, at this moment, closing cap 120 on the capsule cabin body 100 is opened, the connecting pipe of quick-cooling device 310 stretches into the processing mouth, thereby to the inside aluminum alloy direct processing of capsule cabin body 100, especially when cooling, the capsule cabin body 100 can provide less cooling space for the cooling of aluminum alloy, and the cooling efficiency is improved, and the extremely quick cooling is realized. The closing cap 120 of the capsule cabin body 100 can adopt the sliding closure setting, conveniently move in the narrow and small space of well, the switching of closing cap 120 can be for its automatic control, confirm its processing position through the sensor, the closing cap 120 is automatic to be opened after arriving the processing position, thereby the processing mouth can be inserted to the connecting pipe of quick cooling device, preferably, processing mouth or connecting pipe periphery are provided with the sealing washer, the connecting pipe spiral shell screwing movement gets into the processing mouth, thereby reinforcing leakproofness between the two, avoid air conditioning to leak. The temperature increasing device 320 may adopt an electromagnetic induction heating method.
According to the invention, through the arrangement of the multiple well ways, the primary well way 210 is used as a main processing position, and the multiple secondary well ways 220 are used as post-processing positions, so that on one hand, ground field resources are saved, on the other hand, the rapid movement of aluminum alloy is realized in the vertical well way, and the multiple processing positions are distributed, so that the processing is refined, the utilization rate of the processing device set 300 is improved, and the production cost is reduced.
In a preferred embodiment of the present invention, as shown in fig. 1 and 3, the well-type high performance aluminum alloy heat treatment auxiliary system further comprises a guiding device, wherein the guiding device comprises a guiding block 410 disposed at a side of the capsule body 100, and a guiding rail 420 disposed outside the well group 200 and/or inside the well group 200. The capsule body 100 is always kept in a relatively stable state through the guide device, so that the shaking is reduced, and the shaking collision of the internal aluminum alloy is reduced. The guide rails 420 may be disposed only at ground openings of the primary and secondary hoistways 210 and 220 to communicate with external guide rails to realize movement of the capsule body, and the capsule body 100 is limited mainly by the hoistway width inside the primary and secondary hoistways 210 and 220. Of course, it is preferable to provide guide rails inside the ground 1 and the primary and secondary shafts 210 and 220, and the capsule body 100 always moves on the guide rails to reduce friction with the outside and enhance the stability and continuity of the movement. Further, the guiding device comprises at least two opposite guide rails 420 and at least two pairs of guide blocks 410 disposed at the side edges of the capsule body 100, and the two pairs of guide blocks 410 clamp the capsule body 100 between the two guide rails 420 to further stabilize the capsule body 100. In general, two pairs of guide blocks 410 are symmetrically disposed on both sides of the capsule body 100, and three or more guide blocks 410 are uniformly disposed along the circumferential direction of the capsule body 100.
In a preferred embodiment of the present invention, the guiding device further includes a lifting rod disposed above the primary shaft 210, and the lifting rod is capable of moving into and along the primary shaft 210. The capsule cabin body 100 is pushed to the secondary shaft 220 from the primary shaft 210 through the lifting rod, and the capsule cabin body 100 which is connected in sequence is matched with the plurality of capsule cabin bodies 100 to realize the opening of the capsule cabin body which is close to the ground 1 of the secondary shaft 220, so that the capsule cabin body 100 can be conveniently moved out of the secondary shaft 220, and energy is saved.
In a preferred embodiment of the present invention, the quick cooling device 310 includes a cold air producing device and an air extracting device, which are disposed symmetrically with respect to the primary shaft 210 and can be respectively communicated with corresponding processing ports of the capsule body 100. Through the relative cooperation that sets up of air exhaust device and air conditioning manufacturing installation to realize the quick even flow through aluminium alloy surface of air conditioning, realize cooling down rapidly. The cold gas medium can be dry ice, liquid nitrogen, etc.
In a preferred embodiment of the present invention, the well-type high performance aluminum alloy heat treatment auxiliary system comprises a plurality of capsule chambers 100 connected in sequence, and a movable rod 130 is connected between the capsule chambers 100 to match the length of the well, so as to achieve the synchronous processing of a plurality of aluminum alloys. Further, two ends of the movable rod 130 are respectively connected with two adjacent capsule bodies 100 through universal balls, so that the two-stage hoistways 220 of the capsule bodies 100 in multiple directions can be conveniently turned. To prevent the movable rod 130 from falling off, a locking device, such as a clip, is disposed on the ball socket of the capsule body 100 connected thereto, but is not limited thereto.
In a preferred embodiment of the present invention, the temperature raising device 320 is disposed along the secondary well 220 in the circumferential and axial directions to meet different processing requirements. Of course, the secondary well 220 may also be coated with thermal insulation material in the circumferential direction and the axial direction to complete the reaction by the aluminum alloy processing waste heat.
In a preferred embodiment of the present invention, as shown in fig. 4, the bottom of the primary shaft 210 is communicated with a plurality of secondary shafts 220, and a blocking plate 240 is disposed at the communication between the primary shaft 210 and the secondary shafts 220, wherein the blocking plate 240 can open or close the communication between the primary shaft 210 and the secondary shafts 220. The control of distributing and moving the capsule body 100 to different second-level hoistways 220 is realized through the barrier plate 240 arranged between the first-level hoistways 210 and the second-level hoistways 220, the arrangement is simple, and the stability is high. Specifically, the number of the blocking plates 240 is the same as that of the secondary wells 220, and the plurality of blocking plates 240 form a cone shape, so that on one hand, the capsule body 100 is supported, and on the other hand, the capsule body 100 can realize falling and turning by the lifting, stretching or turning arrangement of the blocking plates 240.
In a preferred embodiment of the present invention, as shown in fig. 1 and 2, a plurality of secondary hoistways 220 are distributed along the circumference of the primary hoistway 210, so as to facilitate the communication between the primary hoistway 210 and the plurality of secondary hoistways 220 and reduce the floor space.
In a preferred embodiment of the present invention, as shown in fig. 2 and 4, the primary shaft 210 and the secondary shaft 220 are communicated by a curved shaft 230, and the curved shaft 230 has an arc-shaped structure to achieve stable steering of the capsule body 100.
In a preferred embodiment of the present invention, the inner side walls of the capsule body 100 are provided with asbestos insulation. Further, the capsule body 100 is made of a ceramic material to adapt to a low-temperature and high-temperature processing environment.
It is understood that the capsule body 100 can move on the guide rails 420, either by the autonomous movement of the capsule body 100 or passively by the lifting rods, inside the primary and secondary hoistways 210 and 220.
In a preferred embodiment of the present invention, as shown in fig. 5 and 6, the capsule body is provided with a brake assembly 500 at the end thereof to achieve deceleration of the capsule body during movement, particularly within the primary well 210. The brake assembly 500 comprises an open-loop brake block 510 circumferentially arranged along the capsule body and a telescopic rod 520 arranged in the capsule body, wherein the telescopic rod 520 is fixed with the open-loop brake block 510 along the radial direction of the open-loop brake block. The open-loop brake block 510 is driven by the telescopic rod 520 to abut against the side wall of the capsule body, so that the open-loop brake block is expanded towards two sides to abut against the side wall of the hoistway, and the moving speed of the capsule body is reduced. The telescopic link 520 can specifically drive the lead screw to move through the motor, so that the movement is more stable. Preferably, the brake assembly 500 includes two open-loop brake pads 510, and the two open-loop brake pads 510 are symmetrically disposed at both sides of the capsule body. Further, the two ends of the capsule body are provided with brake assemblies 500, and a rope is connected between the two brake assemblies 500 to enhance the connection between the two brake assemblies 500 and the capsule body 100, specifically, the rope can be connected through corresponding open-loop brake pads 510.
The invention is particularly suitable for processing the aluminum alloy by adopting the processing modes of solution treatment, cryogenic treatment and aging treatment. The solution treatment is carried out in an air furnace or a salt bath furnace, the heating temperature is 470-535 ℃, the heat preservation time is the maximum section thickness tmm multiplied by 3.0-10.0 min/mm, and then the alloy is subjected to water quenching at room temperature. The quenched aluminum alloy is rapidly transferred to a first-level well 210 through a capsule cabin body 100 to be subjected to subzero treatment, namely the quenched alloy is treated at a cooling temperature of-80 ℃ to-190 ℃ through a rapid cooling device 310, and the heat preservation time is 0.5 to 5 hours. After the cryogenic treatment is finished, the heating device 320 is started immediately, the alloy is subjected to single-stage or double-stage artificial aging treatment immediately, residual stress in the alloy is eliminated through stress generated by temperature difference change, specifically, the single-stage aging process is 120-173 ℃/8-36 h, and the double-stage aging process is as follows: 90-135 ℃/10-28 h + 140-165 ℃/6-16 h. The primary aging process may be performed in the primary hoistway 210 and the secondary aging may be performed in the secondary hoistway 220. Of course, when single-stage aging is adopted, after the aging is completed in the first-stage well 210, the aluminum alloy is transferred to the second-stage well 220 to be processed, cooled, buffered and shaped, and then the aluminum alloy can be boxed after being taken out.
In conclusion, the invention provides a continuous heat treatment auxiliary system suitable for industrial application for aluminum alloy manufacturing, particularly for continuous treatment after aluminum alloy quenching, shortens the aging processing time of the aluminum alloy, improves the performance of the aluminum alloy, realizes production line type uninterrupted production and reduces the production cost.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A well-type high-performance aluminum alloy heat treatment auxiliary system is characterized by comprising a capsule cabin body for placing aluminum alloy, a well group and a processing device group arranged on the periphery of the well group;
a cabin door for aluminum alloy to enter and exit and at least one processing port for communicating the processing device group are arranged on the side edge of the capsule cabin body, and a sealing cover is arranged on the processing port;
the hoistway group comprises a primary hoistway and a plurality of secondary hoistways communicated with the primary hoistway, the primary hoistway and the secondary hoistways are vertically arranged underground, and openings of the primary hoistway and the secondary hoistways on the ground are in a ramp shape;
the processing device set comprises a quick cooling device and a warming device, the quick cooling device is arranged along the axial direction of the first-level shaft, the warming device is arranged along the circumferential direction and the axial direction of the first-level shaft, and the quick cooling device can be communicated with the processing port.
2. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 1, further comprising a guide device, wherein the guide device comprises a guide block arranged on the side of the capsule body, and a guide rail arranged outside the well group and/or inside the well group.
3. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 2, wherein the guide device further comprises a lifting rod arranged above the primary shaft, and the lifting rod can move towards the inside of the primary shaft and along the axial direction of the primary shaft.
4. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 2, wherein the guide device comprises at least two opposite guide rails, and at least two pairs of guide blocks arranged at the side edges of the capsule body, and the two pairs of guide blocks clamp the capsule body between the two guide rails.
5. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 1, wherein the end of the capsule body is provided with a brake assembly, the brake assembly comprises an open-loop brake pad circumferentially arranged along the capsule body and a telescopic rod arranged in the capsule body, and the telescopic rod is fixed with the open-loop brake pad along the radial direction of the open-loop brake pad.
6. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 1, wherein the quick cooling device comprises a cold air producing device and an air extracting device, the cold air producing device and the air extracting device are arranged in axial symmetry with the primary well and can be respectively communicated with the corresponding processing ports on the capsule body.
7. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 1, comprising a plurality of capsule bodies connected in sequence, wherein a movable rod is connected between the plurality of capsule bodies, and two ends of the movable rod are respectively connected with two adjacent capsule bodies through universal balls.
8. The well-type high-performance aluminum alloy heat treatment auxiliary system according to claim 1, wherein the temperature raising device is arranged in the circumferential direction and the axial direction of the secondary shaft.
9. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 1, wherein the bottom of the primary well is communicated with the plurality of secondary wells, and a blocking plate is arranged at the communication position of the primary well and the secondary wells and can open or close the communication between the primary well and the secondary wells.
10. The well-type high-performance aluminum alloy heat treatment auxiliary system as claimed in claim 1, wherein a plurality of secondary hoistways are distributed along the circumferential direction of the primary hoistway.
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CN110777246A (en) * | 2019-10-18 | 2020-02-11 | 燕山大学 | Pipe preheating device and preheating method thereof |
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CN102206734A (en) * | 2011-03-18 | 2011-10-05 | 苏州安科节能技术有限公司 | Novel quenching furnace |
CN105755230A (en) * | 2014-12-18 | 2016-07-13 | 北京有色金属研究总院 | Magnesium alloy quenching-ageing integration apparatus |
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