Heat treatment device and process for FH36 profile

Abstract

The invention discloses a heat treatment device and process for an FH36 profile, and relates to the technical field of steel profile heat treatment, the heat treatment device comprises a rack, the rack is used for limiting and fixing a tubular steel profile, a rotating handle penetrates through the middle of the top of the rack, and the rotating handle is in threaded connection with the top of the rack; and the conveying assemblies are used for guiding and conveying the tubular steel profiles, the number of the conveying assemblies is two, and cooling ponds are fixedly installed on the outer surfaces of the two conveying assemblies. According to the heat treatment device and process for the FH36 profile, beam frames are installed on the two sides of a cooling pond in a supported mode to support beam plates, after the tubular steel profile is placed in a flow dividing assembly, a worker rotates and twists a rotating handle, and the rotating handle drives a fixing block, the beam plates and a sliding block to horizontally slide on the surface of a sliding column and move to the bottom of the cooling pond; and the cooling liquid in the cooling tank is poured into the outer ring, so that the tubular steel profile stably displaces during quenching.

Description

Technical Field

[0001] The invention relates to the technical field of heat treatment of steel profiles, and in particular to a heat treatment device and process for FH36 profiles. Background Art

[0002] In engineering ships, offshore platforms and other systems, the important stress-bearing areas are designed with thick FH-grade high-strength steel. As a high-strength hull structural steel, FH36 has high impact toughness index at low temperature and has the characteristics of high strength, high toughness and impact resistance. The advantages of using FH36 high-strength steel are: it can reduce the weight of the hull, reduce the difficulty of construction, increase the stress level of the hull, and improve the construction quality of the hull.

[0003] Quenching is a heat treatment process. Quenching of steel is a heat treatment process in which the steel is heated to a temperature above the critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), kept at this temperature for a period of time to make it fully or partially austenitized, and then rapidly cooled to below Ms (or isothermally near Ms) at a cooling rate greater than the critical cooling rate to undergo martensite (or bainite) transformation. The solid solution treatment or heat treatment process with rapid cooling process of materials such as aluminum alloys, copper alloys, titanium alloys, and tempered glass is usually called quenching.

[0004] At present, when quenching tubular steel profiles, since the tubular steel profiles are cylindrical structures, when traditional heat treatment devices clamp and fix the steel profiles, the contact surface between the steel profiles and the coolant is uneven, which easily affects the quality of the steel profiles after quenching. Summary of the invention

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A heat treatment device and process for FH36 profiles, comprising a frame, the frame is used for limiting and fixing the tubular steel profiles, a handle is passed through the middle of the top of the frame, and the handle is threadedly connected to the top of the frame; A conveying assembly, which is used for guiding and conveying tubular steel profiles. The conveying assembly is provided with two groups, and cooling pools are fixedly installed on the outer surfaces of the two groups of conveying assemblies; A quenching assembly, which is used for uniform cooling of tubular steel; The conveying assembly is fixedly mounted on both sides of the inner wall of the cooling pool, the frame is fixedly mounted on both sides of the outer surface of the cooling pool, and the quenching assembly is slidably adapted inside the cooling pool through the frame; when quenching and cooling the tubular steel profile, the staff disassembles the quenching assembly to remove the limit clamp and the connecting ring, and then places the tubular steel profile in the diversion assembly, and the staff rotates the handle to twist the handle and drive the beam plate and the slider to slide downward on the surface of the slide column through the fixed block, so that the beam plate drives the quenching assembly and the tubular steel profile inside it to move to the inside of the cooling pool, so that the coolant immerses the heated tubular steel profile to quench and cool the steel profile; The frame includes a beam frame, and slide columns are symmetrically arranged on both sides of the inner wall of the beam frame. The surface of the slide column is adapted to slide with a slider, and a beam plate is fixedly installed on the outer surface of the slider. A fixed block is fixedly installed at the middle of the top of the beam plate, and the fixed block is fixedly connected to the handlebar. The beam frame support is installed on both sides of the cooling pool to support the beam plate. After the tubular steel profile is placed in the diversion assembly, the staff rotates and twists the handlebar, so that the handlebar drives the fixed block, beam plate and slider to slide horizontally on the surface of the slide column and move to the bottom of the cooling pool, so that the coolant in the cooling pool is infused into the outer ring, so that the tubular steel profile is stably displaced during quenching.

[0006] Preferably, the quenching assembly includes an outer ring, which is movably mounted inside the beam plate, and a limit clamp is movably mounted inside the outer ring, and a guide hole is provided at the axis of the limit clamp. After the beam plate drives the quenching assembly to move down into the cooling pool, the coolant is introduced into the outer ring along the guide hole, and a shunt assembly is provided inside the outer ring, so that the outer ring quenching assembly is set as a double-layer structure, and the tubular steel profile is placed in the shunt assembly. Since there are multiple groups of guide holes on the surface of the shunt assembly, the introduced coolant flows into the through pipe in a dispersed manner along the guide holes, so that the coolant is in uniform contact with the tubular steel profile, so that the tubular steel profile is quickly cooled down, and the uneven contact between the tubular steel profile and the coolant during quenching affects the quality of the steel profile.

[0007] Preferably, a circular ring is sleeved on the outer surface of the position-limiting clamp, a connecting ring is sleeved on the outer surface of the circular ring, and a flow diversion component is fixedly mounted on the surface of the circular ring away from the connecting ring.

[0008] Preferably, the limit clamp includes an inner connecting ring, the inner connecting ring is fixedly mounted on the inner surface of the diverter assembly, a conduit is fixedly mounted at the inner axis of the inner connecting ring, an extension tube is fixedly mounted on the surface of the conduit, and a clamping shaft is fixedly mounted on the surface of the inner connecting ring. After the tubular steel profile is placed, the staff docks the limit clamp with the connecting ring. At this time, the clamping shaft is clamped on the inner wall of the tubular steel profile and connected to the two ends of the tubular steel profile, so as to limit the tubular steel profile in the diverter assembly to prevent the tubular steel profile from being displaced in the diverter assembly due to the water pressure when the beam plate moves down into the cooling pool, and from being squeezed with the inner wall of the through pipe to cause the guide hole to be blocked.

[0009] Preferably, the diversion component includes a through pipe, the surface of which is provided with layered sawtooth pieces, the surface of which is provided with guide holes, and the guide holes are provided in a plurality, and the guide holes are distributed in a circular shape on the surface of the layered sawtooth pieces. The tubular steel profile is placed in the through pipe, and the surface of the through pipe is provided with multiple groups of guide holes so that the coolant entering the outer ring along the guide holes can be evenly dispersed into the through pipe along the guide holes, and the inner wall of the through pipe is provided with a fitting tube through the guide holes, and the multiple groups of fitting tubes are used to mount the tubular steel profile in the through pipe to prevent the tubular steel profile from fitting with the through pipe and affecting the efficiency of coolant introduction.

[0010] Preferably, a slot is provided in the middle of the guide hole, a fitting tube is fixedly installed in the slot, and circular holes are provided on both sides of the guide hole.

[0011] Preferably, the conveying assembly includes an L-shaped plate, two of which are provided, the two L-shaped plates are symmetrically arranged with the cooling pool as the center, and the L-shaped plates are fixedly installed at the corners of the cooling pool.

[0012] Preferably, a side connecting plate is fixedly installed on the outer surface of the L-shaped plate, and the side connecting plate is fixedly connected to the inner wall of the cooling pool. A clamping rod is fixedly installed on the surface of the side connecting plate, and the clamping rod passes through the L-shaped plate and extends to the interior of the cooling pool. A triangular table is fixedly installed on the surface of the L-shaped plate away from the side connecting plate.

[0013] Preferably, a round rod is fixedly mounted on the top of the triangular platform, and a curved sheet is fixedly mounted on the surface of the round rod, and the curved sheet is matched with the clamping rod. The L-shaped plate supports the round rod at both ends of the cooling pool, and when the tubular steel profile is sent in and taken out, the staff turns the handle to adjust the beam plate to a position relative to the round rod, and the triangular platform and the curved sheet on both sides support the tubular steel profile, so as to facilitate the taking of the tubular steel profile.

[0014] Preferably, a heat treatment process for FH profiles consists of the following steps: S1, material conveying, the staff takes out the limit card at one end of the outer ring, at this time one end of the outer ring is open, and then the heated tubular steel profile is erected above the conveying component, and pushed into the diversion component along the open end of the outer ring, and then the staff installs the taken out limit card on the outer ring to fix the tubular steel profile; S2, material unloading cooling, after the tubular steel profile is placed in the diversion assembly, the staff turns the handle to twist the handle and drive the beam plate and the slider to slide downward on the surface of the slide column through the fixed block, so that the beam plate drives the quenching assembly and the tubular steel profile inside to move to the inside of the cooling pool, so that the coolant immerses the heated tubular steel profile to quench and cool the steel profile; S3, uniform cooling, after the beam plate drives the quenching assembly to move down into the cooling pool, the coolant is introduced into the outer ring along the guide hole, and the tubular steel profile is placed in the diversion assembly. Since there are multiple groups of guide holes on the surface of the diversion assembly, the introduced coolant flows into the through pipe along the guide holes in a dispersed manner, so that the coolant and the tubular steel profile are evenly contacted, so that the tubular steel profile is quickly cooled; S4. Material discharge. After the tubular steel profile is cooled, the staff turns the handle to twist it and drives the beam plate and the slider to slide upward on the surface of the slide column through the fixed block, so that the beam plate drives the quenching assembly and the tubular steel profile inside it to move above the cooling pool. At this time, the coolant in the diversion assembly is discharged into the outer ring along the guide hole at the bottom of the inlet pipe, and then the staff opens the limit card to take out the cooled tubular steel profile.

[0015] The present invention provides a heat treatment device and process for FH profiles, which have the following beneficial effects: 1. The heat treatment device and process for FH profiles are installed on both sides of the cooling pool through beam support to support the beam plate. After the tubular steel profile is placed in the diversion assembly, the staff turns the twist handle to make the handle drive the fixed block, beam plate and slider to slide horizontally on the surface of the slide column and move to the bottom of the cooling pool, so that the coolant in the cooling pool is infused into the outer ring, so that the tubular steel profile can be stably displaced during quenching.

[0016] 2. The heat treatment device and process for FH profiles, after the quenching assembly is driven down to the cooling pool by the beam plate, the coolant is introduced into the outer ring along the guide hole, and a diversion assembly is arranged inside the outer ring, so that the outer ring quenching assembly is arranged as a double-layer structure, and the tubular steel profile is placed in the diversion assembly. Since a plurality of guide holes are arranged on the surface of the diversion assembly, the introduced coolant is dispersed and flows into the through pipe along the guide holes, so that the coolant is in uniform contact with the tubular steel profile, so that the tubular steel profile is quickly cooled down, and the uneven contact between the tubular steel profile and the coolant during quenching affects the quality of the steel profile.

[0017] 3. The heat treatment device and process for FH profiles, after the tubular steel profile is placed, the staff will connect the limit clamp with the connecting ring. At this time, the clamping shaft is clamped on the inner wall of the tubular steel profile, and is connected to the two ends of the tubular steel profile, so as to limit the tubular steel profile in the diversion component to prevent the tubular steel profile from being displaced in the diversion component due to the influence of water pressure when the beam plate moves down into the cooling pool, and the inner wall of the through pipe is squeezed to cause the guide hole to be blocked.

[0018] 4. The heat treatment device and process for FH profiles are arranged by placing the tubular steel profile in a through pipe, and a plurality of guide holes are opened on the surface of the through pipe so that the coolant entering the outer ring along the guide holes can be evenly dispersed into the through pipe along the guide holes, and the inner wall of the through pipe is provided with a fitting tube through the guide holes. The plurality of fitting tubes frame the tubular steel profile in the through pipe to prevent the tubular steel profile from fitting with the through pipe and affecting the efficiency of coolant introduction.

[0019] 5. The heat treatment device and process for FH profiles supports the round rods at both ends of the cooling pool through L-shaped plates. When the tubular steel profiles are sent in and taken out, the staff turns the handle to adjust the beam plate to a position relative to the round rod. The triangular platforms and curved plates on both sides support the tubular steel profiles to facilitate the removal of the tubular steel profiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the external structure of a heat treatment device for FH36 profiles according to the present invention; Figure 2 This is a schematic diagram of the internal and external structure of a heat treatment device for FH36 profiles of the present invention; Figure 3 It is a schematic diagram of the frame structure of the present invention; Figure 4 It is a schematic diagram of the cross-sectional structure of the frame of the present invention; Figure 5 It is a schematic diagram of the structure of the conveying assembly of the present invention; Figure 6 It is a schematic diagram of the cross-sectional connection structure between the quenching assembly and the frame of the present invention; Figure 7 This is a schematic diagram of the structure of the flow diversion component of the present invention; Figure 8 It is a schematic diagram of the cross-sectional structure of the flow diversion component of the present invention; Fig. 9 This is a schematic diagram of the structure of the position limiting card of the present invention; Fig.10 The figure is a schematic diagram of a heat treatment process for FH36 profiles according to the present invention.

[0021] In the figure: 1. cooling pool; 2. frame; 21. beam frame; 22. sliding column; 23. slider; 24. beam plate; 25. fixing block; 3. turning handle; 4. quenching assembly; 41. outer ring; 42. limit clamp; 421. inner ring; 422. guide tube; 423. clamping shaft; 424. extension pipe; 43. connecting ring; 44. guide hole; 45. circular ring; 46. diversion assembly; 461. layered serrated piece; 462. card slot; 463. guide hole; 464. fitting pipe; 465. circular hole; 466. through pipe; 5. conveying assembly; 51. side plate; 52. round rod; 53. triangle table; 54. curved piece; 55. clamping rod; 56. L-shaped plate. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0023] The first embodiment, as Figures 1 to 4 As shown, the present invention provides a technical solution: a heat treatment device and process for FH36 profiles, comprising a frame 2, the frame 2 is used for limiting and fixing the tubular steel profiles, a handle 3 is passed through the middle of the top of the frame 2, and the handle 3 is threadedly connected to the top of the frame 2; A conveying assembly 5, which is used for guiding and conveying tubular steel profiles. Two groups of conveying assemblies 5 are provided, and cooling pools 1 are fixedly installed on the outer surfaces of the two groups of conveying assemblies 5; A quenching assembly 4, which is used for uniform cooling of tubular steel; The conveying assembly 5 is fixedly installed on both sides of the inner wall of the cooling pool 1, the frame 2 is fixedly installed on both sides of the outer surface of the cooling pool 1, and the quenching assembly 4 is slidably adapted in the cooling pool 1 through the frame 2; when quenching and cooling the tubular steel profile, the staff disassembles the quenching assembly 4, removes the limit clamp 42 and the connecting ring 43, and then places the tubular steel profile in the diversion assembly 46, and then the staff rotates the handle 3, so that the handle 3 is twisted and drives the beam plate 24 and the slider 23 to slide downward on the surface of the slide column 22 through the fixed block 25, so that the beam plate 24 drives the quenching assembly 4 and the tubular steel profile inside thereof to move to the inside of the cooling pool 1, so that the coolant immerses the heated tubular steel profile to quench and cool the steel profile; The frame 2 includes a beam frame 21, and slide columns 22 are symmetrically arranged on both sides of the inner wall of the beam frame 21. The surface of the slide column 22 is adapted to slide with a slider 23. The outer surface of the slider 23 is fixedly installed with a beam plate 24, and a fixed block 25 is fixedly installed at the middle of the top of the beam plate 24. The fixed block 25 is fixedly connected to the handle 3. The beam frame 21 is supported and installed on both sides of the cooling pool 1 to support the beam plate 24. After the tubular steel profile is placed in the diversion component 46, the staff rotates and twists the handle 3, so that the handle 3 drives the fixed block 25, the beam plate 24 and the slider to slide horizontally on the surface of the slide column 22 and move to the bottom of the cooling pool 1, so that the coolant in the cooling pool 1 is injected into the outer ring 41, so that the tubular steel profile is stably displaced during quenching.

[0024] The second embodiment is based on the first embodiment. Figure 5 As shown, the conveying assembly 5 includes an L-shaped plate 56 , two L-shaped plates 56 are provided, and the two L-shaped plates 56 are symmetrically arranged with the cooling pool 1 as the center, and the L-shaped plates 56 are fixedly installed at the corners of the cooling pool 1 .

[0025] A side connecting plate 51 is fixedly installed on the outer surface of the L-shaped plate 56, and the side connecting plate 51 is fixedly connected to the inner wall of the cooling pool 1. A clamping rod 55 is fixedly installed on the surface of the side connecting plate 51, and the clamping rod 55 passes through the L-shaped plate and extends to the interior of the cooling pool 1. A triangular platform 53 is fixedly installed on the surface of the L-shaped plate 56 away from the side connecting plate 51.

[0026] The top of the triangular platform 53 is fixedly mounted with a round rod 52, and the surface of the round rod 52 is fixedly mounted with a curved sheet 54, which is matched with the clamping rod 55. The L-shaped plate 56 supports the round rod 52 at both ends of the cooling pool 1. When the tubular steel profile is sent in and taken out, the staff rotates the handle 3 to adjust the beam plate 24 to a position opposite to the round rod 52. The triangular platform 53 and the curved sheet 54 on both sides support the tubular steel profile, so that the tubular steel profile can be taken out easily.

[0027] The third embodiment is based on the first and second embodiments. Figures 6 to 10 As shown, the quenching assembly 4 includes an outer ring 41, which is movably mounted inside the beam plate 24, and a limit clamp 42 is movably mounted inside the outer ring 41, and a guide hole 44 is provided at the axis of the limit clamp 42. After the beam plate 24 drives the quenching assembly 4 to move down into the cooling pool 1, the coolant is introduced into the outer ring 41 along the guide hole 44, and a diverter assembly is provided inside the outer ring 41, so that the quenching assembly 4 of the outer ring 41 is set as a double-layer structure, and the tubular steel profile is placed in the diverter assembly 46. Since a plurality of guide holes 463 are provided on the surface of the diverter assembly 46, the introduced coolant is dispersed along the guide holes 463 and flows into the through pipe 466, so that the coolant is in uniform contact with the tubular steel profile, so that the tubular steel profile is quickly cooled down, and the uneven contact between the tubular steel profile and the coolant during quenching affects the quality of the steel profile.

[0028] A circular ring 45 is sleeved on the outer surface of the limiting clamp 42 , a connecting ring 43 is sleeved on the outer surface of the circular ring 45 , and a flow diversion component 46 is fixedly mounted on the surface of the circular ring 45 away from the connecting ring 43 .

[0029] The limit clamp 42 includes an inner connecting ring 421, which is fixedly mounted on the inner surface of the diverter assembly 46, a guide tube 422 is fixedly mounted at the inner axis of the inner connecting ring 421, an extension tube 424 is fixedly mounted on the surface of the guide tube 422, and a clamping shaft 423 is fixedly mounted on the surface of the inner connecting ring 421. After the tubular steel profile is placed, the staff docks the limit clamp 42 with the connecting ring 43. At this time, the clamping shaft 423 is clamped on the inner wall of the tubular steel profile and connected to the two ends of the tubular steel profile, so as to limit the tubular steel profile in the diverter assembly 46, so as to prevent the tubular steel profile from being displaced in the diverter assembly 46 due to the influence of water pressure when the beam plate 24 moves downward into the cooling pool 1, and squeezing the inner wall of the through pipe 466 to cause the guide hole 463 to be blocked.

[0030] The flow dividing component 46 includes a through pipe 466, and a layered sawtooth piece 461 is provided on the surface of the through pipe 466. A guide hole 463 is provided on the surface of the layered sawtooth piece 461. There are a plurality of guide holes 463, and the guide holes 463 are circumferentially distributed on the surface of the layered sawtooth piece 461. The tubular steel profile is placed in the through pipe 466, and a plurality of guide holes 463 are provided on the surface of the through pipe 466 so that the coolant entering the outer ring 41 along the guide hole 44 can be evenly dispersed into the through pipe 466 along the guide hole 463, and the inner wall of the through pipe 466 is provided with a fitting tube 464 through the guide hole 463. The plurality of fitting tubes 464 set the tubular steel profile in the through pipe 466 to prevent the tubular steel profile from fitting with the through pipe 466 and affecting the efficiency of coolant introduction.

[0031] A clamping groove 462 is provided in the middle of the guide hole 463 , a fitting tube 464 is fixedly installed inside the clamping groove 462 , and round holes 465 are provided on both sides of the guide hole 463 .

[0032] A heat treatment process for FH36 profiles, consisting of the following steps: S1, material conveying, the staff takes out the limit clamp 42 at one end of the outer ring 41, at this time one end of the outer ring 41 is open, and then the heated tubular steel profile is erected above the conveying component 5, and is pushed into the diversion component 46 along the open end of the outer ring 41, and then the staff installs the taken out limit clamp 42 on the outer ring 41 to fix the tubular steel profile; S2, material cooling, after the tubular steel profile is placed in the diverter assembly 46, the staff turns the handle 3, so that the handle 3 is twisted and drives the beam plate 24 and the slider 23 to slide downward on the surface of the slide column 22 through the fixed block 25, so that the beam plate 24 drives the quenching assembly 4 and the tubular steel profile inside to move to the inside of the cooling pool 1, so that the coolant immerses the heated tubular steel profile to quench and cool the steel profile; S3, uniform cooling, after the beam plate 24 drives the quenching assembly 4 to move down into the cooling pool 1, the coolant is introduced into the outer ring 41 along the guide hole 44, and the tubular steel profile is placed in the diverter assembly 46. Since a plurality of guide holes 463 are provided on the surface of the diverter assembly 46, the introduced coolant is dispersedly flowed into the through pipe 466 along the guide holes 463, so that the coolant is in uniform contact with the tubular steel profile, so that the tubular steel profile is quickly cooled; S4. Material is discharged. After the tubular steel profile is cooled, the staff turns the handle 3 to twist the handle 3 and drives the beam plate 24 and the slider 23 to slide upward on the surface of the slide column 22 through the fixed block 25, so that the beam plate 24 drives the quenching component 4 and the tubular steel profile inside it to move to the top of the cooling pool 1. At this time, the coolant in the diverter component 46 is discharged into the outer ring 41 along the guide hole 463 at the bottom of the inlet pipe 466, and then the staff opens the limit clamp 42 to take out the cooled tubular steel profile.

[0033] When in use, when quenching and cooling the tubular steel profile, the staff disassembles the quenching assembly 4, removes the limit clamp 42 and the connecting ring 43, and then places the tubular steel profile in the diversion assembly 46. The staff rotates the handle 3, so that the handle 3 is twisted and drives the beam plate 24 and the slider 23 to slide downward on the surface of the slide column 22 through the fixed block 25, so that the beam plate 24 drives the quenching assembly 4 and the tubular steel profile inside to move to the inside of the cooling pool 1, so that the coolant immerses the heated tubular steel profile to quench and cool the steel profile; The beam frame 21 is supported and installed on both sides of the cooling pool 1 to support the beam plate 24. After the tubular steel profile is placed in the diversion assembly 46, the staff rotates and twists the handle 3 so that the handle 3 drives the fixed block 25, the beam plate 24 and the slider to slide horizontally on the surface of the slide column 22 and move to the bottom of the cooling pool 1, so that the coolant in the cooling pool 1 is injected into the outer ring 41, so that the tubular steel profile is stably displaced during quenching.

[0034] The L-shaped plate 56 supports the round rod 52 at both ends of the cooling pool 1. When the tubular steel profile is sent in and taken out, the staff turns the handle 3 to adjust the beam plate 24 to a position opposite to the round rod 52. The triangular platform 53 and the curved arc sheet 54 on both sides support the tubular steel profile to facilitate the taking of the tubular steel profile.

[0035] After the beam plate 24 drives the quenching assembly 4 to move down into the cooling pool 1, the coolant is introduced into the outer ring 41 along the guide hole 44. A diverter assembly is arranged inside the outer ring 41, so that the quenching assembly 4 of the outer ring 41 is arranged as a double-layer structure, and the tubular steel profile is placed in the diverter assembly 46. Since a plurality of guide holes 463 are arranged on the surface of the diverter assembly 46, the introduced coolant is dispersedly flowed into the through pipe 466 along the guide holes 463, so that the coolant is in uniform contact with the tubular steel profile, so that the tubular steel profile is quickly cooled down, and the uneven contact between the tubular steel profile and the coolant during quenching affects the quality of the steel profile.

[0036] After the tubular steel profile is placed, the staff will dock the limit clamp 42 with the connecting ring 43. At this time, the clamping shaft 423 is clamped on the inner wall of the tubular steel profile and connected to the two ends of the tubular steel profile, limiting the tubular steel profile in the diversion component 46 to prevent the tubular steel profile from being displaced in the diversion component 46 due to water pressure when the beam 24 moves downward into the cooling pool 1, and squeezing the inner wall of the through pipe 466 to cause the guide hole 463 to be blocked.

[0037] The tubular steel profile is placed in the through-tube 466, and a plurality of guide holes 463 are provided on the surface of the through-tube 466 so that the coolant entering the outer ring 41 along the guide holes 44 can be evenly dispersed into the through-tube 466 along the guide holes 463, and a fitting tube 464 is provided on the inner wall of the through-tube 466 through the guide holes 463. The plurality of fitting tubes 464 set the tubular steel profile in the through-tube 466 to prevent the tubular steel profile from fitting with the through-tube 466 and affecting the efficiency of coolant introduction.

[0038] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A heat treatment device for FH36 profiles, characterized in that: include: A frame (2), the frame (2) being used for limiting and fixing the tubular steel profile, a turning handle (3) passing through the middle of the top of the frame (2), the turning handle (3) being threadedly connected to the top of the frame (2); A conveying assembly (5), the conveying assembly (5) being used for guiding and conveying tubular steel profiles, wherein two groups of the conveying assemblies (5) are provided, and cooling pools (1) are fixedly mounted on the outer surfaces of the two groups of the conveying assemblies (5); A quenching assembly (4), the quenching assembly (4) being used for uniform cooling of a tubular steel material; The conveying assembly (5) is fixedly mounted on both sides of the inner wall of the cooling pool (1), the frame (2) is fixedly mounted on both sides of the outer surface of the cooling pool (1), and the quenching assembly (4) is slidably adapted inside the cooling pool (1) through the frame (2); The frame (2) comprises a beam frame (21), slide columns (22) are symmetrically arranged on both sides of the inner wall of the beam frame (21), the surface of the slide column (22) is slidably adapted to be equipped with a slider (23), a beam plate (24) is fixedly mounted on the outer surface of the slider (23), a fixed block (25) is fixedly mounted at the middle of the top of the beam plate (24), and the fixed block (25) is fixedly connected to the turning handle (3).

2. A heat treatment device for FH36 profile according to claim 1, characterized in that: The quenching assembly (4) comprises an outer ring (41), the outer ring (41) being movably mounted inside the beam plate (24), a limit clamp (42) being movably mounted inside the outer ring (41), and a guide hole (44) being provided at the axis of the limit clamp (42).

3. A heat treatment device for FH36 profile according to claim 2, characterized in that: The outer surface of the limit clamp (42) is sleeved with a circular ring (45), the outer surface of the circular ring (45) is sleeved with a connecting ring (43), and a flow diversion component (46) is fixedly mounted on the surface of the circular ring (45) at a side away from the connecting ring (43).

4. The heat treatment device for FH36 profile according to claim 3 is characterized in that: The limit clamp (42) comprises an inner connecting ring (421), the inner connecting ring (421) being fixedly mounted on the inner surface of the flow dividing assembly (46), a conduit (422) being fixedly mounted at the inner axis of the inner connecting ring (421), an extension tube (424) being fixedly mounted on the surface of the conduit (422), and a clamping shaft (423) being fixedly mounted on the surface of the inner connecting ring (421).

5. The heat treatment device for FH36 profile according to claim 4 is characterized in that: The flow distribution component (46) comprises a through pipe (466), the surface of the through pipe (466) being provided with a layered sawtooth piece (461), the surface of the layered sawtooth piece (461) being provided with guide holes (463), a plurality of guide holes (463) being provided, and the guide holes (463) being distributed in a circular shape on the surface of the layered sawtooth piece (461).

6. The heat treatment device for FH36 profile according to claim 5, characterized in that: A clamping groove (462) is provided in the middle of the guide hole (463), a fitting tube (464) is fixedly installed inside the clamping groove (462), and round holes (465) are provided on both sides of the guide hole (463).

7. The heat treatment device for FH36 profile according to claim 1, characterized in that: The conveying assembly (5) comprises an L-shaped plate (56), two of which are provided, the two L-shaped plates (56) being symmetrically arranged with the cooling pool (1) as the center, and the L-shaped plates (56) being fixedly installed at the corners of the cooling pool (1).

8. The heat treatment device for FH36 profile according to claim 7, characterized in that: A side connection plate (51) is fixedly mounted on the outer surface of the L-shaped plate (56), the side connection plate (51) is fixedly connected to the inner wall of the cooling pool (1), a clamping rod (55) is fixedly mounted on the surface of the side connection plate (51), the clamping rod (55) passes through the L-shaped plate and extends to the interior of the cooling pool (1), and a triangular platform (53) is fixedly mounted on the surface of the L-shaped plate (56) on a side away from the side connection plate (51).

9. A heat treatment device for FH36 profile according to claim 8, characterized in that: A round rod (52) is fixedly mounted on the top of each of the triangular platforms (53), and a curved sheet (54) is fixedly mounted on the surface of each of the round rods (52), wherein the curved sheet (54) is matched with the clamping rod (55).

10. A heat treatment process for FH36 profiles, characterized in that: It consists of the following steps: S1, material conveying, the staff removes the limit clamp (42) at one end of the outer ring (41), at which time one end of the outer ring (41) is open, and then the heated tubular steel profile is mounted on the top of the conveying component (5), and is pushed into the diversion component (46) along the open end of the outer ring (41), and then the staff installs the removed limit clamp (42) on the outer ring (41) to fix the tubular steel profile; S2, material unloading and cooling, after the tubular steel profile is placed in the diversion assembly (46), the staff rotates the handle (3), so that the handle (3) is twisted and drives the beam plate (24) and the slide block (23) to slide downward on the surface of the slide column (22) through the fixed block (25), so that the beam plate (24) drives the quenching assembly (4) and the tubular steel profile inside to move to the inside of the cooling pool (1), so that the coolant immerses the heated tubular steel profile to quench and cool the steel profile; S3, uniform cooling, after the beam plate (24) drives the quenching assembly (4) to move down into the cooling pool (1), the coolant is introduced into the outer ring (41) along the guide hole (44), and the tubular steel profile is placed in the diverter assembly (46). Since a plurality of guide holes (463) are provided on the surface of the diverter assembly (46), the introduced coolant is dispersedly flowed into the through pipe (466) along the guide holes (463), so that the coolant is in uniform contact with the tubular steel profile, so that the tubular steel profile is quickly cooled; S4, material discharge. After the tubular steel profile is cooled, the staff turns the handle (3) so that the handle (3) is twisted and drives the beam plate (24) and the slide block (23) to slide upward on the surface of the slide column (22) through the fixed block (25), so that the beam plate (24) drives the quenching component (4) and the tubular steel profile inside to move to the top of the cooling pool (1). At this time, the coolant in the diverter component (46) is discharged into the outer ring (41) along the guide hole (463) at the bottom of the inlet pipe (466), and then the staff opens the limit clamp (42) to take out the cooled tubular steel profile.

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