Profile multifunctional combined quenching system and quenching method

Abstract

The invention discloses a sectional material multifunctional combined quenching system which comprises a lower quenching device and an upper quenching device, the lower quenching device is provided with a lower air cooling system, and a sectional material to be quenched is blown and cooled from bottom to top through the lower air cooling system; the upper quenching device is provided with an upper air cooling system, and the upper air cooling system is used for blowing and cooling the to-be-quenched profile from top to bottom; the water cooling systems are arranged at intervals in the length direction of the profile to be quenched; and each group of water cooling system is respectively connected with the lower quenching device and the upper quenching device, and the to-be-quenched profile is subjected to water spray cooling or spray cooling through the water cooling system. According to the quenching system, air-blast quenching, water-cooling quenching, fog-cooling quenching or over-water-cooling quenching can be selectively carried out on the aluminum profile according to the requirements of different processes and different performances; and two or three of air-blast quenching, water-cooling quenching, fog-cooling quenching and over-water-cooling quenching can be selected for combined use under special conditions, so that different quenching requirements of the aluminum profile are met.

Description

Technical Field

[0001] The invention relates to the technical field of profile quenching equipment, and in particular to a profile multifunctional combined quenching system and a quenching method. Background Art

[0002] With the wide application of aluminum profiles in various fields, the requirements for the quality and mechanical properties of aluminum profiles are getting higher and higher. In the existing technology, the specific production process is: extrusion-quenching-cutting-straightening-sawing-framing-aging. Among them, the strengthening mechanism of aluminum profiles is mainly online quenching. The quenching effect directly affects the mechanical properties of the profile. The temperature drop rate of the profile in the quenching section is proportional to the performance of the profile.

[0003] At present, the existing quenching methods are generally air cooling and water cooling. Air cooling is to use a fan to provide airflow to cool the high-temperature aluminum profiles; while water cooling is to cool the profiles through a water tank when they are discharged. However, as the use scenarios of aluminum profiles become more and more complex, the requirements for quenching are also getting higher and higher; therefore, the aluminum profile quenching devices that can only achieve air cooling and water cooling are no longer able to meet the online quenching requirements of various forms of aluminum profiles today. Summary of the invention

[0004] The purpose of the present invention is to provide a multifunctional combined quenching system and a quenching method for profiles, so as to solve the problem that the existing aluminum profile quenching equipment has a single quenching mode and is difficult to meet the requirements of aluminum profile quenching with various performance requirements.

[0005] In order to solve the above technical problems, the present invention provides a multifunctional combined quenching system for profiles, comprising a lower quenching device and an upper quenching device; The lower quenching device is provided with a conveying roller to convey the profile to be quenched to the quenching station; The upper quenching device is equipped with a lifting mechanism, under the action of the lifting mechanism, the upper quenching device is driven to combine with the lower quenching device to form a quenching cavity at the quenching station, so as to quench the profile to be quenched; The lower quenching device is equipped with at least one lower air cooling system, through which the profile to be quenched is cooled by blowing air from bottom to top; The upper quenching device is equipped with at least one upper air cooling system, through which the profile to be quenched is cooled by blowing air from top to bottom; It also includes at least one group of water cooling systems, which are arranged at intervals along the length direction of the profile to be quenched; and each group of the water cooling systems is connected to the lower quenching device and the upper quenching device respectively, and the profile to be quenched is sprayed with water or sprayed with water through the water cooling system.

[0006] Preferably, the lower quenching device and the upper quenching device both adopt a segmented cooling structure, are arranged along the length direction of the profile to be quenched, and are divided into a front cooling area and a rear cooling area.

[0007] Preferably, the lower air cooling system and the upper air cooling system are each configured with two groups, corresponding to the front cooling area and the rear cooling area respectively; the water cooling system is configured with two groups, also corresponding to the front cooling area and the rear cooling area.

[0008] Preferably, the downwind air cooling system includes a downwind cooling fan, and the downwind cooling air generated by the downwind cooling fan is guided to the bottom of the profile to be quenched through the downwind cooling main air duct, and a plurality of downwind air nozzles are arranged at intervals on the downwind cooling main air duct along the length direction of the profile to be quenched, so as to evenly guide the downwind cooling air to the lower surface of the profile to be quenched.

[0009] Preferably, the upper air cooling system includes an upper cooling fan, and the upper cooling air generated by the upper cooling fan is guided to the top and both sides of the profile to be quenched through the upper cooling main air duct. A plurality of upper top air nozzles and a plurality of upper side air nozzles are arranged at intervals along the length direction of the profile to be quenched on the upper cooling main air duct, so as to evenly guide the upper cooling air to the upper surface and both side surfaces of the profile to be quenched.

[0010] Preferably, the water cooling system comprises a water station, the lower cooling water supplied by the water station is guided to the lower side of the profile to be quenched through at least one lower cooling water pipe, and a plurality of lower bottom water nozzles and lower side water nozzles are arranged at intervals on the lower cooling water pipe along the length direction of the profile to be quenched, so as to evenly guide the lower cooling water to the lower surface of the profile to be quenched; The upper cooling water supplied by the water station is guided to the top of the profile to be quenched through at least one upper cooling water pipe, and a plurality of upper bottom water nozzles and upper side water nozzles are arranged at intervals on the upper cooling water pipe along the length direction of the profile to be quenched, so as to evenly guide the upper cooling water to the upper surface of the profile to be quenched.

[0011] Preferably, each end of the lower cooling water pipe and the upper cooling water pipe is respectively provided with an angle adjustment mechanism, and the angle adjustment mechanism includes an adjusting cylinder, the piston end of the adjusting cylinder is connected to the cooling water pipe via a crank; and one end of the crank is rotatably connected to the piston end of the adjusting cylinder, and the other end is connected to the pipe wall of the cooling water pipe, and the cooling water pipe is driven to rotate under the action of the adjusting cylinder, thereby adjusting the spraying angle of the water nozzle on the cooling water pipe.

[0012] Preferably, the lower cooling water supplied by the water station is also guided to the lower side of the profile to be quenched through at least one lower cooling mist pipe, and a plurality of lower atomizing nozzles are arranged at intervals along the length direction of the profile to be quenched on the lower cooling mist pipe, so as to evenly guide the lower cooling mist to the lower surface of the profile to be quenched; The upper cooling water supplied by the water station is also guided to the top of the profile to be quenched through at least one upper cooling mist pipe, on which a plurality of upper atomizing nozzles are arranged at intervals along the length direction of the profile to be quenched, so as to evenly guide the upper cooling mist to the upper surface of the profile to be quenched.

[0013] Preferably, sealed end plates are movably connected at both ends of the upper quenching device, and the inlet and outlet of the profile to be quenched are closed by the sealed end plates to form a closed quenching chamber, so that the profile to be quenched is supercooled by water in the closed quenching chamber.

[0014] The present invention also provides a quenching method of a profile multifunctional combined quenching system, comprising the following steps: Step A: air cooling quenching; Step A1: The profile to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device is lowered by the lifting mechanism to combine with the lower quenching device to form a quenching cavity at the quenching station; Step A2: The lower air cooling system in the lower quenching device and the upper air cooling system in the upper quenching device are turned on at the same time; the lower cooling air generated by the lower cooling fan is uniformly guided to the lower surface of the profile to be quenched through a plurality of lower air nozzles on the lower cooling main air duct, and the upper cooling air generated by the upper cooling fan is uniformly guided to the upper surface and both side surfaces of the profile to be quenched through a plurality of upper top air nozzles and a plurality of upper side air nozzles on the upper cooling main air duct; Step A3: While the quenched profile is being air-cooled and quenched, it is continuously conveyed forward by the conveying roller; the lower air-cooling system and the upper air-cooling system in the front cooling area and the lower air-cooling system and the upper air-cooling system in the rear cooling area are independently controlled. In the actual air-cooling and quenching process, the front cooling area is used as the main cooling and quenching to cool the profile quickly; the rear cooling area is used as the auxiliary cooling and quenching to cool the profile gradually; Step B: water cooling quenching; Step B1: The profile to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device is lowered by the lifting mechanism to combine with the lower quenching device to form a quenching cavity at the quenching station; Step B2: The water cooling systems in the lower quenching device and the upper quenching device are turned on at the same time; the lower cooling water supplied by the water station is uniformly guided to the lower surface of the profile to be quenched through multiple lower bottom water nozzles and lower side water nozzles on the lower cooling water pipe, and the upper cooling water supplied by the water station is uniformly guided to the upper surface of the profile to be quenched through multiple upper bottom water nozzles and upper side water nozzles on the upper cooling water pipe; Step B3: For profiles to be quenched with different cross-sections, the spraying angle of the water nozzle on the cooling water pipe is adjusted by the adjusting cylinder of the angle adjustment mechanism, so as to accurately control the quenching performance of different types of profiles; Step B4: While the quenched profile is being water-cooled and quenched, it is continuously conveyed forward by the conveying roller; the water cooling system in the front cooling area and the water cooling system in the rear cooling area are independently controlled. In the actual water-cooling quenching process, the front cooling area is used as the main cooling quenching to cool the profile quickly; the rear cooling area is used as the auxiliary cooling quenching to cool the profile gradually; Step C: mist cooling quenching; Step C1: The profile to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device is lowered by the lifting mechanism to combine with the lower quenching device to form a quenching cavity at the quenching station; Step C2: The water cooling systems in the lower quenching device and the upper quenching device are simultaneously turned on; the lower cooling water supplied by the water station is used to evenly guide the lower cooling mist to the lower surface of the profile to be quenched through the multiple lower atomizing nozzles on the lower cooling mist pipe, and the upper cooling water supplied by the water station is used to evenly guide the upper cooling mist to the upper surface of the profile to be quenched through the multiple upper atomizing nozzles on the upper cooling mist pipe; Step C3: while the quenched profile is being mist-quenched, it is continuously conveyed forward by the conveying roller; the water cooling system in the front cooling area and the water cooling system in the rear cooling area are independently controlled. In the actual mist-quenching process, the front cooling area is used as the main cooling quenching to cool the profile quickly; the rear cooling area is used as the auxiliary cooling quenching to cool the profile gradually; Step D: water cooling quenching; Step D1: The profile to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device is lowered by the lifting mechanism to combine with the lower quenching device to form a quenching cavity at the quenching station; Step D2: The inlet and outlet of the profile to be quenched are closed by sealing end plates to form a closed quenching chamber, and the water cooling system is started to pour cooling water into the quenching chamber, so that the profile to be quenched is water-cooled in the closed quenching chamber.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The profile multifunctional combined quenching system of the present invention can selectively adopt air-cooling quenching, water-cooling quenching, mist-cooling quenching or over-water-cooling quenching for aluminum profiles according to different processes and different performance requirements; and can select two or three of air-cooling quenching, water-cooling quenching, mist-cooling quenching and over-water-cooling quenching for combined use in special cases, so as to meet different quenching requirements of aluminum profiles; 2. The lower quenching device and the upper quenching device of the multifunctional combined quenching system for profiles of the present invention both adopt a segmented cooling structure, which are arranged along the length direction of the profile to be quenched and are divided into a front cooling area and a rear cooling area. When the profile is quenched using the quenching system, the lower air cooling system, the upper air cooling system and the water cooling system in the front cooling area are independently controlled as the main cooling quenching, which can quickly cool the profile and ensure the overall performance of the profile; the lower air cooling system, the upper air cooling system and the water cooling system in the rear cooling area are independently controlled as the auxiliary cooling quenching, which can gradually cool the profile and ensure the overall performance of the profile while saving the energy consumption of the quenching system.

[0016] 3. The end of the cooling water pipe in the multifunctional combined quenching system for profiles of the present invention is provided with an angle adjustment mechanism which can adjust the spraying angle of the water nozzle according to profiles to be quenched with different cross-sections, and can more accurately control the quenching performance of different types of profiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the profile multifunctional combined quenching system provided by the present invention from the first perspective; Figure 2 It is a structural schematic diagram of the profile multifunctional combined quenching system provided by the present invention from a second perspective; Figure 3 It is a front view of the multifunctional combined quenching system for profiles provided by the present invention; Figure 4 It is a side view of the multifunctional combined quenching system for profiles provided by the present invention; Figure 5 It is a schematic diagram of the main structure of the multifunctional combined quenching system for profiles provided by the present invention; Figure 6 It is a side view of the main structure of the multifunctional combined quenching system for profiles provided by the present invention; Figure 7 It is a schematic diagram of the internal main structure of the lower quenching device provided by the present invention; Figure 8 It is a top view of the internal main structure of the lower quenching device provided by the present invention; Fig. 9 It is a schematic diagram of the internal main structure of the upper quenching device provided by the present invention; Fig.10 It is a bottom view of the internal main structure of the upper quenching device provided by the present invention; Fig.11 It is a schematic diagram of the connection between the angle adjustment mechanism provided by the present invention and the cooling water pipe; Fig.12 It is a structural schematic diagram of the angle adjustment mechanism provided by the present invention.

[0018] In the figure: 100, profile to be quenched; 1, lower quenching device; 2, upper quenching device; 3, lower air cooling system; 4, upper air cooling system; 5, water cooling system; 6, regulating cylinder; 7, crank; 301, lower cooling main air duct; 302, lower air nozzle; 401, upper cooling main air duct; 402, upper top air nozzle; 403, upper side air nozzle; 501, lower cooling water pipe; 502, lower bottom water nozzle; 503, lower side water nozzle; 504, upper cooling water pipe; 505, upper bottom water nozzle; 506, upper side water nozzle; 507, lower cooling mist pipe; 508, lower atomizing nozzle; 509, upper cooling mist pipe; 510, upper atomizing nozzle. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] In addition, the features, operations, and characteristics described in the specification can be combined in any appropriate manner to form various embodiments. Similarly, the steps or actions described in the method can also be adjusted in order in a manner that can be easily seen by those skilled in the art. Therefore, the various sequences in the specification and drawings are only for the purpose of describing a certain embodiment, and are not necessarily such sequences, unless otherwise stated that a certain sequence must be followed.

[0023] Embodiment 1 The present invention provides a multifunctional combined quenching system for profiles, please refer to Figure 1-6 , comprising a lower quenching device 1 and an upper quenching device 2; The lower quenching device 1 is provided with a conveying roller to convey the profile 100 to be quenched to the quenching station; The upper quenching device 2 is equipped with a lifting mechanism, and the lifting mechanism drives the upper quenching device 2 to be combined with the lower quenching device 1 to form a quenching cavity at the quenching station, thereby quenching the profile 100 to be quenched; The lower quenching device 1 is equipped with at least one lower air cooling system 3, through which the profile 100 to be quenched is blown and cooled from bottom to top; The upper quenching device 2 is equipped with at least one upper air cooling system 4, through which the profile 100 to be quenched is blown and cooled from top to bottom; It also includes at least one group of water cooling systems 5, which are arranged at intervals along the length direction of the profile 100 to be quenched; and each group of the water cooling systems 5 is connected to the lower quenching device 1 and the upper quenching device 2 respectively, and the profile 100 to be quenched is sprayed with water or sprayed with water through the water cooling system 5.

[0024] Specifically, the lower quenching device 1 and the upper quenching device 2 both adopt a segmented cooling structure, are arranged along the length direction of the profile 100 to be quenched, and are divided into a front cooling area and a rear cooling area.

[0025] In addition, the lower air cooling system 3 and the upper air cooling system 4 are each configured with two groups, corresponding to the front cooling area and the rear cooling area respectively; the water cooling system 5 is configured with two groups, also corresponding to the front cooling area and the rear cooling area. When the profile is quenched using the quenching system, the lower air cooling system 3, the upper air cooling system 4 and the water cooling system 5 in the front cooling area are independently controlled, as the main cooling quenching, the profile can be quickly cooled to ensure the overall performance of the profile; the lower air cooling system 3, the upper air cooling system 4 and the water cooling system 5 in the rear cooling area are independently controlled, as the auxiliary cooling quenching, the profile can be gradually cooled to ensure the overall performance of the profile while saving the energy consumption of the quenching system.

[0026] Specifically, Figure 7 As shown, the lower air cooling system 3 includes a lower cooling fan, and the lower cooling air generated by the lower cooling fan is guided to the bottom of the profile to be quenched 100 through the lower cooling main air duct 301. A plurality of lower air nozzles 302 are arranged at intervals along the length direction of the profile to be quenched 100 on the lower cooling main air duct 301, so as to evenly guide the lower cooling air to the lower surface of the profile to be quenched 100.

[0027] Further, such as Figure 8As shown, the water cooling system 5 includes a water station, and the lower cooling water supplied by the water station is guided to the bottom of the profile 100 to be quenched through at least one lower cooling water pipe 501, and a plurality of lower bottom water nozzles 502 and lower side water nozzles 503 are arranged on the lower cooling water pipe 501 at intervals along the length direction of the profile 100 to be quenched, so as to uniformly guide the lower cooling water to the lower surface of the profile 100 to be quenched.

[0028] In this embodiment, the lower cooling water pipe 501 is divided into a lower bottom cooling water pipe and two lower side cooling water pipes, and water nozzles are respectively arranged at intervals on the lower bottom cooling water pipe and the two lower side cooling water pipes, which can more evenly guide the lower cooling water to the lower bottom surface and both sides of the profile 100 to be quenched, thereby more accurately controlling the quenching performance.

[0029] Specifically, Fig. 9 As shown, the upper air cooling system 4 includes an upper cooling fan, and the upper cooling air generated by the upper cooling fan is guided to the top and both sides of the profile 100 to be quenched through the upper cooling main air duct 401. A plurality of upper top air nozzles 402 and a plurality of upper side air nozzles 403 are arranged at intervals along the length direction of the profile 100 to be quenched on the upper cooling main air duct 401, so as to evenly guide the upper cooling air to the upper surface and both side surfaces of the profile 100 to be quenched.

[0030] Further, such as Fig.10 As shown, the upper cooling water supplied by the water station is guided to the top of the profile 100 to be quenched through at least one upper cooling water pipe 504, and a plurality of upper bottom water nozzles 505 and upper side water nozzles 506 are arranged on the upper cooling water pipe 504 at intervals along the length direction of the profile 100 to be quenched, so as to evenly guide the upper cooling water to the upper surface of the profile 100 to be quenched.

[0031] In this embodiment, the upper cooling water pipe 504 is divided into three upper cooling water pipes and four upper side cooling water pipes, two on each side, and water nozzles are respectively arranged at intervals on the three upper cooling water pipes and the four upper side cooling water pipes, which can more evenly guide the upper cooling water to the upper surface and both sides of the profile 100 to be quenched, thereby more accurately controlling the quenching performance.

[0032] Specifically, Fig.11 and Fig.12 As shown, each end of the lower cooling water pipe 501 and the upper cooling water pipe 504 is respectively provided with an angle adjustment mechanism, and the angle adjustment mechanism includes an adjusting cylinder 6, and the piston end of the adjusting cylinder 6 is connected to the cooling water pipe through a crank 7; and one end of the crank 7 is rotatably connected to the piston end of the adjusting cylinder 6, and the other end is connected to the pipe wall of the cooling water pipe. Under the action of the adjusting cylinder 6, the cooling water pipe is driven to rotate, thereby adjusting the spraying angle of the water nozzle on the cooling water pipe.

[0033] For profiles 100 to be quenched with different cross-sections, the spraying angle of the water nozzle can be adjusted to more accurately control the quenching performance of different types of profiles.

[0034] For details, please continue to refer to Figure 7-10 The lower cooling water supplied by the water station is also guided to the bottom of the profile 100 to be quenched through at least one lower cooling mist pipe 507, and a plurality of lower atomizing nozzles 508 are arranged on the lower cooling mist pipe 507 at intervals along the length direction of the profile 100 to be quenched, so that the lower cooling mist is evenly guided to the lower surface of the profile 100 to be quenched; the upper cooling water supplied by the water station is also guided to the top of the profile 100 to be quenched through at least one upper cooling mist pipe 509, and a plurality of upper atomizing nozzles 510 are arranged on the upper cooling mist pipe 509 at intervals along the length direction of the profile 100 to be quenched, so that the upper cooling mist is evenly guided to the upper surface of the profile 100 to be quenched.

[0035] In this embodiment, sealed end plates are movably connected at both ends of the upper quenching device 2, and the inlet and outlet of the profile 100 to be quenched are closed by the sealed end plates to form a closed quenching chamber, so that the profile 100 to be quenched is water-cooled in the closed quenching chamber.

[0036] Embodiment 2 The present invention also provides a quenching method of a profile multifunctional combined quenching system, comprising the following steps: Step A: air cooling quenching; Step A1: The profile 100 to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device 2 is lowered by the lifting mechanism to be combined with the lower quenching device 1 to form a quenching cavity at the quenching station; Step A2: The lower air cooling system 3 in the lower quenching device 1 and the upper air cooling system 4 in the upper quenching device 2 are turned on at the same time; the lower cooling air generated by the lower cooling fan is uniformly guided to the lower surface of the profile 100 to be quenched through the multiple lower air nozzles 302 on the lower cooling main air duct 301, and the upper cooling air generated by the upper cooling fan is uniformly guided to the upper surface and both side surfaces of the profile 100 to be quenched through the multiple upper top air nozzles 402 and the multiple upper side air nozzles 403 on the upper cooling main air duct 401; Step A3: While the quenched profile 100 is being air-cooled and quenched, it is continuously conveyed forward by the conveying roller; the lower air-cooling system 3 and the upper air-cooling system 4 in the front cooling area and the lower air-cooling system 3 and the upper air-cooling system 4 in the rear cooling area are independently controlled. In the actual air-cooling and quenching process, the front cooling area is used as the main cooling and quenching to cool the profile quickly; the rear cooling area is used as the auxiliary cooling and quenching to cool the profile gradually; Step B: water cooling quenching; Step B1: The profile 100 to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device 2 is lowered by the lifting mechanism to be combined with the lower quenching device 1 to form a quenching cavity at the quenching station; Step B2: The water cooling systems 5 in the lower quenching device 1 and the upper quenching device 2 are simultaneously turned on; the lower cooling water supplied by the water station is uniformly guided to the lower surface of the profile 100 to be quenched through the multiple lower bottom water nozzles 502 and the lower side water nozzles 503 on the lower cooling water pipe 501, and the upper cooling water supplied by the water station is uniformly guided to the upper surface of the profile 100 to be quenched through the multiple upper bottom water nozzles 505 and the upper side water nozzles 506 on the upper cooling water pipe 504; Step B3: for the profiles 100 to be quenched with different cross sections, the spraying angle of the water nozzle on the cooling water pipe is adjusted by the adjusting cylinder 6 of the angle adjustment mechanism, so as to accurately control the quenching performance of the profiles of different types; Step B4: while the quenched profile 100 is being water-cooled and quenched, it is continuously conveyed forward by the conveying roller; the water cooling system 5 in the front cooling area and the water cooling system 5 in the rear cooling area are independently controlled, and in the actual water-cooling and quenching process, the front cooling area is used as the main cooling and quenching to cool the profile quickly; the rear cooling area is used as the auxiliary cooling and quenching to cool the profile gradually; Step C: mist cooling quenching; Step C1: The profile 100 to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device 2 is lowered by the lifting mechanism to be combined with the lower quenching device 1 to form a quenching cavity at the quenching station; Step C2: The water cooling systems 5 in the lower quenching device 1 and the upper quenching device 2 are simultaneously turned on; the lower cooling water supplied by the water station is used to evenly guide the lower cooling mist to the lower surface of the profile 100 to be quenched through the multiple lower atomizing nozzles 508 on the lower cooling mist pipe 507, and the upper cooling water supplied by the water station is used to evenly guide the upper cooling mist to the upper surface of the profile 100 to be quenched through the multiple upper atomizing nozzles 510 on the upper cooling mist pipe 509; Step C3: while the quenched profile 100 is being mist-quenched, it is continuously conveyed forward by the conveying roller; the water cooling system 5 in the front cooling area and the water cooling system 5 in the rear cooling area are independently controlled, and in the actual mist-quenching process, the front cooling area is used as the main cooling quenching to cool the profile quickly; the rear cooling area is used as the auxiliary cooling quenching to cool the profile gradually; Step D: water cooling quenching; Step D1: The profile 100 to be quenched is transported to the quenching station by the action of the conveying roller, and then the upper quenching device 2 is lowered by the lifting mechanism to be combined with the lower quenching device 1 to form a quenching chamber at the quenching station; Step D2: The inlet and outlet of the profile 100 to be quenched are sealed by sealing end plates to form a closed quenching chamber, and the water cooling system 5 is started to inject cooling water into the quenching chamber, so that the profile 100 to be quenched is water-cooled in the closed quenching chamber.

[0037] The profile multifunctional combined quenching system of the present invention can selectively adopt air-cooled quenching, water-cooled quenching, mist-cooled quenching or over-water-cooled quenching for aluminum profiles according to different processes and different performance requirements; and can select two or three of air-cooled quenching, water-cooled quenching, mist-cooled quenching and over-water-cooled quenching for combined use in special circumstances, so as to meet different quenching requirements of aluminum profiles.

[0038] The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by a person skilled in the art in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A multifunctional combined quenching system for profiles, characterized in that: It comprises a lower quenching device (1) and an upper quenching device (2); The lower quenching device (1) is provided with a conveying roller for conveying the profile (100) to be quenched to the quenching station; The upper quenching device (2) is equipped with a lifting mechanism, and the lifting mechanism drives the upper quenching device (2) to be combined with the lower quenching device (1) to form a quenching cavity at the quenching station, thereby quenching the profile (100) to be quenched; The lower quenching device (1) is equipped with at least one lower air cooling system (3), through which the profile (100) to be quenched is cooled by blowing air from bottom to top; The upper quenching device (2) is equipped with at least one upper air cooling system (4), through which the profile (100) to be quenched is cooled by blowing air from top to bottom; It also comprises at least one group of water cooling systems (5), wherein the water cooling systems (5) are arranged at intervals along the length direction of the profile (100) to be quenched; and each group of the water cooling systems (5) is respectively connected to the lower quenching device (1) and the upper quenching device (2), and the profile (100) to be quenched is subjected to water spray cooling or mist cooling through the water cooling system (5).

2. A multifunctional combined quenching system for profiles as claimed in claim 1, characterized in that: The lower quenching device (1) and the upper quenching device (2) both adopt a segmented cooling structure, are arranged along the length direction of the profile (100) to be quenched, and are divided into a front cooling area and a rear cooling area.

3. A multifunctional combined quenching system for profiles as claimed in claim 2, characterized in that: The lower air cooling system (3) and the upper air cooling system (4) are each configured with two groups, corresponding to the front cooling area and the rear cooling area respectively; the water cooling system (5) is configured with two groups, also corresponding to the front cooling area and the rear cooling area.

4. A multifunctional combined quenching system for profiles as claimed in claim 3, characterized in that: The lower air cooling system (3) comprises a lower cooling fan, and the lower cooling air generated by the lower cooling fan is guided to the lower side of the profile to be quenched (100) through a lower cooling main air duct (301), and a plurality of lower air nozzles (302) are arranged at intervals along the length direction of the profile to be quenched (100) on the lower cooling main air duct (301), so that the lower cooling air is uniformly guided to the lower surface of the profile to be quenched (100).

5. A multifunctional combined quenching system for profiles as claimed in claim 3, characterized in that: The upper air cooling system (4) comprises an upper cooling fan, and the upper cooling air generated by the upper cooling fan is guided to the top and both sides of the profile to be quenched (100) through the upper cooling main air duct (401). A plurality of upper top air nozzles (402) and a plurality of upper side air nozzles (403) are arranged at intervals along the length direction of the profile to be quenched (100) on the upper cooling main air duct (401), so that the upper cooling air is uniformly guided to the upper surface and both side surfaces of the profile to be quenched (100).

6. A multifunctional combined quenching system for profiles as claimed in claim 3, characterized in that: The water cooling system (5) comprises a water station, wherein lower cooling water supplied by the water station is guided to the bottom of the profile to be quenched (100) through at least one lower cooling water pipe (501), and a plurality of lower bottom water nozzles (502) and lower side water nozzles (503) are arranged at intervals on the lower cooling water pipe (501) along the length direction of the profile to be quenched (100), so as to uniformly guide the lower cooling water to the lower surface of the profile to be quenched (100); The upper cooling water supplied by the water station is guided to the top of the profile to be quenched (100) through at least one upper cooling water pipe (504), and a plurality of upper bottom water nozzles (505) and upper side water nozzles (506) are arranged at intervals along the length direction of the profile to be quenched (100) on the upper cooling water pipe (504), so that the upper cooling water is uniformly guided to the upper surface of the profile to be quenched (100).

7. A multifunctional combined quenching system for profiles as claimed in claim 6, characterized in that: Each end of the lower cooling water pipe (501) and the upper cooling water pipe (504) is provided with an angle adjustment mechanism, the angle adjustment mechanism comprising an adjustment cylinder (6), the piston end of the adjustment cylinder (6) being connected to the cooling water pipe via a crank (7); one end of the crank (7) being rotatably connected to the piston end of the adjustment cylinder (6), and the other end being connected to the pipe wall of the cooling water pipe, and the cooling water pipe is driven to rotate under the action of the adjustment cylinder (6), thereby adjusting the spraying angle of the water nozzle on the cooling water pipe.

8. A multifunctional combined quenching system for profiles as claimed in claim 6, characterized in that: The lower cooling water supplied by the water station is also guided to the bottom of the profile to be quenched (100) through at least one lower cooling mist pipe (507), and a plurality of lower atomizing nozzles (508) are arranged at intervals along the length direction of the profile to be quenched (100) on the lower cooling mist pipe (507), so that the lower cooling mist is uniformly guided to the lower surface of the profile to be quenched (100); The upper cooling water supplied by the water station is also guided to the top of the profile to be quenched (100) through at least one upper cooling mist pipe (509), and a plurality of upper atomizing nozzles (510) are arranged on the upper cooling mist pipe (509) at intervals along the length direction of the profile to be quenched (100), so that the upper cooling mist is uniformly guided to the upper surface of the profile to be quenched (100).

9. A multifunctional combined quenching system for profiles as claimed in claim 1, characterized in that: The upper quenching device (2) has sealed end plates movably connected at both ends, and the sealed end plates seal the inlet and outlet of the profile (100) to be quenched to form a closed quenching chamber, so that the profile (100) to be quenched is water-cooled in the closed quenching chamber.

10. A quenching method using the multifunctional combined quenching system for profiles according to any one of claims 1 to 9, characterized in that: The steps include: Step A: air cooling quenching; Step A1: the profile (100) to be quenched is transported to the quenching station by the action of a conveying roller, and then the upper quenching device (2) is lowered by the action of a lifting mechanism to combine with the lower quenching device (1), thereby forming a quenching chamber at the quenching station; Step A2: the lower air cooling system (3) in the lower quenching device (1) and the upper air cooling system (4) in the upper quenching device (2) are simultaneously turned on; the lower cooling air generated by the lower cooling fan is uniformly guided to the lower surface of the profile to be quenched (100) through a plurality of lower air nozzles (302) on the lower cooling main air duct (301), and the upper cooling air generated by the upper cooling fan is uniformly guided to the upper surface and both side surfaces of the profile to be quenched (100) through a plurality of upper top air nozzles (402) and a plurality of upper side air nozzles (403) on the upper cooling main air duct (401); Step A3: while the quenched profile (100) is being air-cooled and quenched, it is continuously conveyed forward by the action of conveying rollers; the lower air-cooling system (3) and the upper air-cooling system (4) in the front cooling area and the lower air-cooling system (3) and the upper air-cooling system (4) in the rear cooling area are independently controlled, and in the actual air-cooling and quenching process, the front cooling area is used as the main cooling and quenching to allow the profile to be cooled quickly; and the rear cooling area is used as the auxiliary cooling and quenching to allow the profile to be cooled gradually; Step B: water cooling quenching; Step B1: the profile (100) to be quenched is transported to the quenching station by the action of a conveying roller, and then the upper quenching device (2) is lowered by the action of a lifting mechanism to be combined with the lower quenching device (1), thereby forming a quenching chamber at the quenching station; Step B2: The water cooling systems (5) in the lower quenching device (1) and the upper quenching device (2) are simultaneously turned on; the lower cooling water supplied by the water station is uniformly guided to the lower surface of the profile (100) to be quenched through a plurality of lower bottom water nozzles (502) and lower side water nozzles (503) on the lower cooling water pipe (501); and the upper cooling water supplied by the water station is uniformly guided to the upper surface of the profile (100) to be quenched through a plurality of upper bottom water nozzles (505) and upper side water nozzles (506) on the upper cooling water pipe (504); Step B3: for profiles (100) to be quenched with different cross-sections, the spraying angle of the water nozzle on the cooling water pipe is adjusted by the adjusting cylinder (6) of the angle adjustment mechanism, so as to accurately control the quenching performance of the profiles of different types; Step B4: while the quenched profile (100) is being water-cooled and quenched, it is continuously conveyed forward by the action of the conveying roller; the water cooling system (5) in the front cooling area and the water cooling system (5) in the rear cooling area are independently controlled, and in the actual water-cooling and quenching process, the front cooling area is used as the main cooling and quenching, so that the profile is cooled quickly; and the rear cooling area is used as the auxiliary cooling and quenching, so that the profile is cooled gradually; Step C: mist cooling quenching; Step C1: the profile (100) to be quenched is transported to a quenching station by a conveying roller, and then the upper quenching device (2) is lowered by a lifting mechanism to be combined with the lower quenching device (1), thereby forming a quenching chamber at the quenching station; Step C2: The water cooling systems (5) in the lower quenching device (1) and the upper quenching device (2) are simultaneously turned on; the lower cooling water supplied by the water station is used to evenly guide the lower cooling mist to the lower surface of the profile to be quenched (100) through the multiple lower atomizing nozzles (508) on the lower cooling mist pipe (507); and the upper cooling water supplied by the water station is used to evenly guide the upper cooling mist to the upper surface of the profile to be quenched (100) through the multiple upper atomizing nozzles (510) on the upper cooling mist pipe (509); Step C3: while the quenched profile (100) is being mist-quenched, it is continuously conveyed forward by the action of conveying rollers; the water cooling system (5) in the front cooling area and the water cooling system (5) in the rear cooling area are independently controlled, and in the actual mist-quenching process, the front cooling area is used as the main cooling quenching to rapidly cool the profile; and the rear cooling area is used as the auxiliary cooling quenching to gradually cool the profile; Step D: water cooling quenching; Step D1: the profile (100) to be quenched is transported to the quenching station by the action of a conveying roller, and then the upper quenching device (2) is lowered by the action of a lifting mechanism to be combined with the lower quenching device (1), thereby forming a quenching chamber at the quenching station; Step D2: The inlet and outlet of the profile to be quenched (100) are sealed by sealing end plates to form a closed quenching chamber, and the water cooling system (5) is started to inject cooling water into the quenching chamber, so that the profile to be quenched (100) is water-cooled in the closed quenching chamber.

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