Automatic temperature controlled annealing furnace

Abstract

The invention relates to the technical field of annealing furnaces, and in particular discloses an automatic temperature-controlled annealing furnace, comprising a base frame, a furnace table, an inner cover and a cooling cover arranged on the furnace table, a cooling fan, a top cover, a liquid spraying mechanism, a swinging mechanism and a locking mechanism. The liquid spraying mechanism comprises a liquid outlet pipe seat, a connecting ring, a liquid spraying pipe seat, at least two first spraying pipes arranged in an annular shape on the liquid spraying pipe seat, a mounting box, a bearing bracket and a second spraying pipe rotatably arranged on each bearing bracket. A plurality of nozzles are arranged at equal intervals on each first spraying pipe along its axis, and the axis of the nozzle is perpendicular to the axis of the first spraying pipe. The swinging mechanism has a swinging output end, and the swinging output end is used to synchronously drive a plurality of second spraying pipes to swing around the bearing bracket. The locking mechanism comprises a plurality of positioning arc plates and abutting blocks radially slidably arranged along the base frame. The device can uniformly cool the inner cover in all directions during the cooling stage of the annealing furnace, thereby improving production quality.

Description

Technical Field

[0001] The invention relates to the technical field of annealing furnaces, in particular to an annealing furnace with automatic temperature control. Background Art

[0002] Hood annealing furnace is mainly used for heat treatment of various alloy steels, cast iron parts and tools, as well as solution treatment and aging hardening treatment of some non-ferrous metals (such as aluminum). It is particularly suitable for bright annealing of coils, coils, wires, etc. of non-ferrous metals such as copper, aluminum alloys and ferrous metals, plain carbon steel, silicon steel, alloy steel, etc. The traditional hood annealing process includes loading, hanging inner hood, hanging heating hood, heating, heating hood to change cooling hood, cooling, hanging cooling hood, hanging inner hood and unloading. After hanging the cooling hood, spray cooling will be carried out. The traditional way is to spray cooling water on the inner hood through the spray plate in the cooling hood. The spray plate in the traditional cooling hood is generally fixed. Therefore, when spraying water to cool down, the cooling water is first applied to the top of the inner hood and then gradually cools down the entire inner hood. This method cannot evenly cool down the inner hood, affecting the quality of the steel coil inside the inner hood. Therefore, a new type of annealing furnace is needed to solve the above-mentioned uneven cooling problem. Summary of the invention

[0003] Based on this, it is necessary to provide an annealing furnace with automatic temperature control to address the existing technical problems.

[0004] In order to solve the problems of the prior art, the technical scheme adopted by the present invention is as follows: an automatic temperature-controlled annealing furnace, comprising a base frame, a furnace table fixedly arranged on the base frame, an inner cover and a cooling cover arranged on the furnace table, air coolers symmetrically arranged on both sides of the cooling cover, a top cover fixedly arranged on the cooling cover, a liquid spraying mechanism and a swinging mechanism arranged in the cooling cover, and a locking mechanism arranged on the base frame, wherein the liquid spraying mechanism comprises a liquid outlet pipe seat coaxially fixedly arranged on the top cover, a connecting ring coaxially fixedly arranged at the bottom of the liquid outlet pipe seat, a liquid spraying pipe seat coaxially connected to the connecting ring, and at least two annularly arranged A first spray pipe is placed on the spray pipe seat, a plurality of mounting boxes are fixedly arranged in an annular shape on the inner wall of the cooling hood, a plurality of supporting brackets are arranged at equal intervals along the length direction of the mounting boxes, and a second spray pipe is rotatably arranged on each supporting bracket. A plurality of nozzles are arranged at equal intervals along the axis of each first spray pipe, and the axis of the nozzle is perpendicular to the axis of the first spray pipe. The swing mechanism has a swing output end, which is used to synchronously drive the plurality of second spray pipes to swing in a vertical plane. The locking mechanism includes a plurality of positioning arc plates and abutting blocks which are radially slidably arranged along the base frame.

[0005] Furthermore, the liquid spraying mechanism also includes an infusion tube fixedly arranged on the side wall of each mounting box, a liquid transfer ring fixedly arranged on the top cover, a liquid transfer tube fixedly arranged in a ring shape on the inner wall of the liquid transfer ring, and a bellows arranged on each second spraying pipe, one end of the bellows is connected to the infusion tube, and the other end is connected to the second spraying tube, and the infusion tube is connected to the inside of the liquid transfer tube.

[0006] Furthermore, each mounting box is provided with a sliding groove, and the swing mechanism also includes a transmission tooth plate slidably arranged in each sliding groove, a load-bearing part gear rotatably arranged on each load-bearing bracket, and a connecting plate fixedly arranged on each load-bearing part gear, and a second spray pipe is fixedly arranged on each connecting plate, the transmission tooth plate is transmission-connected to the swing output end, and the load-bearing part gear is meshed with the transmission tooth plate.

[0007] Furthermore, limit bars are symmetrically arranged on both sides of each sliding groove, and limit slots are symmetrically opened on both sides of each transmission tooth plate, and the limit slots correspond to the limit bars one by one.

[0008] Furthermore, the swing mechanism also includes a plurality of connecting columns fixedly arranged on the inner wall of the cooling hood, a transmission gear plate rotatably arranged on the connecting columns, an adapter plate coaxially fixedly arranged on the transmission gear plate, a swing rod rotatably arranged on the adapter plate, a bearing ring frame coaxially rotatably arranged on the inner wall of the cooling hood and a transmission gear ring coaxially fixedly arranged on the bearing ring frame, the bearing ring frame is coaxially fixedly connected to the spray pipe seat, the transmission gear ring is meshed with the transmission gear plate, one end of the swing rod is eccentrically connected to the adapter plate for rotation, and the other end is connected to the transmission gear plate for rotation, and the swing rod is the swing output end of the swing mechanism.

[0009] Furthermore, a bearing plate is fixedly arranged at the bottom of each installation box, and a return spring is arranged on each bearing plate, one end of the return spring is fixedly connected to the transmission gear plate, and the other end is fixedly connected to the bearing plate.

[0010] Furthermore, the locking mechanism includes a plurality of support columns fixedly arranged on the base frame in an annular shape, a U-shaped frame fixedly arranged on the support column, positioning strips symmetrically arranged on both sides of the U-shaped frame, a positioning rack slidably arranged on the U-shaped frame, positioning grooves symmetrically opened on both sides of the positioning rack, a mounting shaft rotatably arranged on the U-shaped frame, a winding wheel and a power gear coaxially fixedly arranged on the mounting shaft, a load-bearing bottom ring coaxially fixedly arranged on the base frame, a support ring coaxially slidably connected to the load-bearing bottom ring, a plurality of receiving rods fixedly arranged on the side wall of the support ring in an annular shape, and a plurality of pressure springs arranged on the load-bearing bottom ring in an annular shape, one end of the pressure spring is fixedly connected to the support ring, and the other end is fixedly connected to the load-bearing bottom ring, the power gear is meshed with the positioning rack, the positioning arc plate and the tightening block are fixedly arranged on the positioning rack, a pull rope is wound around the winding wheel, one end of the pull rope is wound around the winding wheel, and the other end is fixedly connected to the receiving rod, and the positioning grooves correspond one to one with the positioning strips.

[0011] Furthermore, a limit box is fixedly arranged on each U-shaped frame, and a clockwork spring is arranged in each limit box. One end of the clockwork spring is fixedly connected to the installation shaft, and the other end is fixedly connected to the inner wall of the limit box.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] Firstly, the device can realize rapid installation of the cooling cover and automatic centering through the locking mechanism, thus saving working time and improving production efficiency, and the setting of the locking mechanism can also be used for rapid installation of the heating cover;

[0014] Second: This device uses a liquid spray mechanism to cool the inner cover in all directions, so that the material in the inner cover can be cooled evenly, thereby improving production quality;

[0015] Third: The device has a simple structure, which prolongs the service life of the device and saves the manufacturer's production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of an embodiment;

[0017] Figure 2 is a three-dimensional structural cross-sectional view of an embodiment;

[0018] Figure 3 Figure 2 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 is a schematic diagram of the three-dimensional structure of the positioning rack of the embodiment;

[0020] Figure 5 It is a partial three-dimensional structural schematic diagram of an embodiment;

[0021] Figure 6 This is a schematic diagram of the exploded three-dimensional structure of the connecting ring of the embodiment;

[0022] Figure 7 1 is a schematic diagram of the three-dimensional structure of the swing mechanism of the embodiment;

[0023] Figure 8 It is a schematic diagram of the exploded three-dimensional structure of the supporting bracket of the embodiment.

[0024] The numbers in the figure are: 1, bottom frame; 2, furnace table; 3, inner cover; 4, cooling cover; 5, top cover; 6, liquid outlet pipe seat; 7, liquid transfer ring; 8, liquid transfer pipe; 9, connecting ring; 10, liquid spray pipe seat; 11, first spray pipe; 12, nozzle; 13, liquid infusion pipe; 14, second spray pipe; 15, bellows; 16, air cooler; 17, bearing ring frame; 18, transmission gear ring; 19, installation box; 20, sliding groove; 21, limit strip; 22, transmission gear plate; 23, limit groove; 24, bearing plate; 25, reset spring; 26. Load-bearing bracket; 27. Load-bearing part gear; 28. Connecting plate; 29. ​​Connecting column; 30. Transmission gear plate; 31. Adapter plate; 32. Swing rod; 33. Load-bearing bottom ring; 34. Support ring; 35. Pressure spring; 36. Receiving rod; 37. Support column; 38. U-shaped frame; 39. Positioning strip; 40. Positioning rack; 41. Positioning groove; 42. Positioning arc plate; 43. Tightening block; 44. Mounting shaft; 45. Limit box; 46. Spring spring; 47. Winding wheel; 48. Pull rope; 49. Power gear. DETAILED DESCRIPTION

[0025] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] refer to Figures 1 to 8 The invention discloses an automatic temperature-controlled annealing furnace, comprising a base frame 1, a furnace table 2 fixedly arranged on the base frame 1, an inner cover 3 and a cooling cover 4 arranged on the furnace table 2, air coolers 16 symmetrically arranged on both sides of the cooling cover 4, a top cover 5 fixedly arranged on the cooling cover 4, a liquid spraying mechanism and a swinging mechanism arranged in the cooling cover 4, and a locking mechanism arranged on the base frame 1, wherein the liquid spraying mechanism comprises a liquid outlet pipe seat 6 coaxially fixedly arranged on the top cover 5, a connecting ring 9 coaxially fixedly arranged at the bottom of the liquid outlet pipe seat 6, a liquid spraying pipe seat 10 coaxially connected to the connecting ring 9, at least two first spraying pipes 11 annularly arranged on the liquid spraying pipe seat 10, and a plurality of first spraying pipes 11 annularly fixedly arranged on the top cover 5. The mounting box 19 on the inner wall of the cooling cover 4, a plurality of bearing brackets 26 arranged at equal intervals along the length direction of the mounting box 19, and a second spray pipe 14 rotatably arranged on each bearing bracket 26, the first spray pipe 11 is arranged along the radial direction of the cooling cover 4, and each first spray pipe 11 is provided with a plurality of nozzles 12 arranged at equal intervals along its axial direction, the axis of the nozzle 12 is perpendicular to the axis of the first spray pipe 11, and the nozzle 12 is arranged horizontally, the swing mechanism has a swing output end, and the swing output end is used to synchronously drive the plurality of second spray pipes 14 to swing in the vertical plane, and the locking mechanism includes a plurality of positioning arc plates 42 and abutting blocks 43 arranged to slide radially along the bottom frame 1. In this embodiment, an exhaust port can be arranged on the side of the cooling cover 4 or on the top cover 5.

[0027] It should be noted that the liquid outlet pipe seat 6 is connected to an external pressure pump, the pressure pump is connected to a water source, and the second spray pipe 14 is connected to the inside of the liquid outlet pipe seat 6. In actual production, the material in the inner cover 3 has been heated and insulated. When cooling is required, the cooling cover 4 is hoisted onto the base frame 1. After that, the locking mechanism fixes the cooling cover 4 on the base frame 1, so that the positioning arc plate 42 clamps the outer wall of the cooling cover 4, and the clamping block 43 clamps the outer edge of the bottom of the cooling cover 4. Then the pressure pump starts to pump liquid, and the liquid passes through the liquid outlet pipe seat 6, the connecting ring 9, the liquid spray pipe seat 10 and the first spray pipe 11, and is finally sprayed out from the nozzle 12. When the nozzle 12 sprays liquid, the liquid will generate a reaction force, causing the first spray pipe 11 to rotate. Thereby, the liquid can increase the spraying range. When the liquid enters the liquid outlet pipe seat 6, the liquid also enters the second spray pipe 14 at the same time, and then the swing output end of the swing mechanism operates, driving the second spray pipe 14 to swing back and forth, and then spraying the liquid on the side wall of the inner cover 3, and the air cooler 16 also operates at the same time to blow cold air into the cooling cover 4. In this way, the inner cover 3 can be evenly cooled under the cooperation of the first spray pipe 11 and the second spray pipe 14, ensuring that the internal material is evenly cooled. The cooling speed can be controlled by changing the pump liquid flow rate of the booster pump.

[0028] In order to show the connection relationship between the liquid pipe seat 6 and the second spray pipe 14, the following features are also specifically provided:

[0029] The liquid spraying mechanism also includes an infusion tube 13 fixedly arranged on the side wall of each mounting box 19, a liquid transfer ring 7 fixedly arranged on the top cover 5, a liquid transfer tube 8 fixedly arranged in an annular shape on the inner wall of the liquid transfer ring 7, and a bellows 15 arranged on each second spraying tube 14. One end of the bellows 15 is connected to the infusion tube 13, and the other end is connected to the second spraying tube 14. The infusion tube 13 is connected to the inside of the liquid transfer tube 8.

[0030] When the device is running, the liquid passes through the liquid transfer tube 8, the liquid transfer ring 7, the liquid infusion tube 13 and the bellows 15 from the liquid outlet pipe seat 6, and finally enters the second spray pipe 14. The setting of the bellows 15 can ensure that the second spray pipe 14 can stably perform swinging liquid spraying.

[0031] In order to show the detailed structure of the swing mechanism, the following features are also set:

[0032] A sliding groove 20 is provided on each mounting box 19, and the swing mechanism further includes a transmission tooth plate 22 slidably arranged in each sliding groove 20, a load-bearing part gear 27 rotatably arranged on each load-bearing bracket 26, and a connecting plate 28 fixedly arranged on each load-bearing part gear 27, and a second spray pipe 14 is fixedly arranged on each connecting plate 28, the transmission tooth plate 22 is transmission-connected to the swing output end, and the load-bearing part gear 27 is meshed with the transmission tooth plate 22.

[0033] When the device is running, the swing output end of the swing mechanism drives the transmission gear plate 22 to move up and down in the sliding groove 20, and the movement of the transmission gear plate 22 drives the bearing part gear 27 to rotate back and forth. The bearing part gear 27 drives the second spray pipe 14 to swing back and forth through the connecting plate 28.

[0034] In order to ensure that the transmission tooth plate 22 can stably move in the sliding groove 20, the following features are also specifically provided:

[0035] Limiting strips 21 are symmetrically arranged on the inner walls of both sides of each sliding groove 20, and limiting slots 23 are symmetrically opened on both sides of each transmission tooth plate 22. The limiting slots 23 correspond to the limiting strips 21 one by one, and the limiting strips 21 can be slidably arranged in the limiting slots 23 on the corresponding side.

[0036] In order to show the detailed structure of the swing output end of the swing mechanism, the following features are also specifically set:

[0037] The swing mechanism also includes a plurality of connecting posts 29 fixedly arranged on the inner wall of the cooling cover 4, a transmission gear plate 30 rotatably arranged on the connecting post 29, an adapter plate 31 coaxially fixedly arranged on the transmission gear plate 30, a swing rod 32 rotatably arranged on the adapter plate 31, a bearing ring frame 17 coaxially rotatably arranged on the inner wall of the cooling cover 4, and a transmission gear ring 18 coaxially fixedly arranged on the bearing ring frame 17. The bearing ring frame 17 is coaxially fixedly connected to the liquid spray pipe seat 10, such as Figure 6 As shown, the transmission gear ring 18 is meshed with the transmission gear plate 30, one end of the swing rod 32 is eccentrically connected to the adapter plate 31, and the other end is connected to the transmission gear plate 22. The swing rod 32 is the swing output end of the swing mechanism.

[0038] When the device is running, the rotation of the liquid spray pipe seat 10 drives the bearing ring frame 17 to rotate, the rotation of the bearing ring frame 17 drives the transmission gear ring 18 to rotate, the rotation of the transmission gear ring 18 drives the transmission gear plate 30 to rotate, the rotation of the transmission gear plate 30 drives the adapter plate 31 to rotate, the rotation of the adapter plate 31 drives the swing rod 32 to rotate, because the other end of the swing rod 32 is connected to the transmission gear plate 22 for rotation, and the movement of the swing rod 32 drives the transmission gear plate 22 to move back and forth up and down.

[0039] In order to ensure that the transmission tooth plate 22 can move up and down in the sliding groove 20 more smoothly when the device is running, the following features are also specifically provided:

[0040] A bearing plate 24 is fixedly disposed at the bottom of each mounting box 19 . A return spring 25 is disposed on each bearing plate 24 . One end of the return spring 25 is fixedly connected to the transmission gear plate 22 , and the other end is fixedly connected to the bearing plate 24 .

[0041] When the transmission tooth plate 22 moves up and down, the return spring 25 contracts adaptively to ensure that the transmission tooth plate 22 moves up and down more smoothly.

[0042] In order to show the detailed structure of the locking mechanism, the following features are also specifically set:

[0043] The locking mechanism includes a plurality of support columns 37 fixedly arranged on the base frame 1 in an annular shape, a U-shaped frame 38 fixedly arranged on the support column 37, two positioning bars 39 symmetrically arranged on both sides of the U-shaped frame 38, a positioning rack 40 slidably arranged on the U-shaped frame 38, positioning grooves 41 symmetrically arranged on both sides of the positioning rack 40, a mounting shaft 44 rotatably arranged on the U-shaped frame 38, a winding wheel 47 and a power gear 49 coaxially fixedly arranged on the mounting shaft 44, a bearing bottom ring 33 coaxially fixedly arranged on the base frame 1, a support ring 34 coaxially slidably connected to the bearing bottom ring 33, and a plurality of annular A receiving rod 36 is fixedly arranged on the side wall of the support ring 34 and a plurality of pressure springs 35 are arranged in a ring shape on the load-bearing bottom ring 33. One end of the pressure spring 35 is fixedly connected to the support ring 34, and the other end is fixedly connected to the load-bearing bottom ring 33. The power gear 49 is meshed with the positioning rack 40. The positioning arc plate 42 and the tightening block 43 are both fixedly arranged on the positioning rack 40. A pull rope 48 is wound around the winding wheel 47. One end of the pull rope 48 is wound around the winding wheel 47, and the other end is fixedly connected to the receiving rod 36. The positioning groove 41 corresponds to the positioning strip 39 one by one, and each positioning strip 39 can be slidably arranged in the positioning groove 41.

[0044] When installing the cooling hood 4, the bottom of the cooling hood 4 first contacts the support ring 34, and then the support ring 34 moves down under the weight of the cooling hood 4. At this time, the pressure spring 35 is compressed, and then the support ring 34 moves down to drive the receiving rod 36 to move down. The receiving rod 36 moves down to pull the pull rope 48, so that the winding wheel 47 rotates, and the rotation of the winding wheel 47 drives the installation shaft 44 to rotate. The rotation of the installation shaft 44 drives the power gear 49 to rotate, and the rotation of the power gear 49 drives the positioning rack 40 to move close to the inner wall of the cooling hood 4. At this point, all the positioning racks 40 drive the positioning arc plates 42 to approach the cooling hood 4 until the positioning arc plates 42 are pressed against the side walls of the cooling hood 4, and all the positioning arc plates 42 move synchronously, which can also make the cooling hood 4 automatically centered, further reducing the workload of workers, so that the cooling hood 4 can be quickly installed on the base frame 1.

[0045] In order to ensure that the pull rope 48 can be smoothly reeled onto the winding wheel 47, the following features are also specifically provided:

[0046] A limit box 45 is fixedly disposed on each U-shaped frame 38 . A spring 46 is disposed in each limit box 45 . One end of the spring 46 is fixedly connected to the mounting shaft 44 , and the other end is fixedly connected to the inner wall of the limit box 45 .

[0047] When installing the cooling cover 4, the rotation of the installation shaft 44 drives the clockwork spring 46 to contract. When the cooling is completed and the cooling cover 4 is removed, as the cooling cover 4 is removed, the clockwork spring 46 releases the torque to drive the installation shaft 44 to reverse. The reversal of the installation shaft 44 causes the power gear 49 to reverse, causing the positioning rack 40 to drive the positioning arc plate 42 and the locking block 43 away from the cooling cover 4, ensuring that the cooling cover 4 is removed smoothly.

[0048] The working principle of the device is as follows: firstly, the cooling cover 4 is hoisted onto the base frame 1, and then the locking mechanism automatically centers and clamps the cooling cover 4, and then the pressure pump starts to pump liquid, and the liquid is first sprayed out from the first spray pipe 11, at which time the high-speed liquid is sprayed out from the nozzle 12, and the reaction thrust generated by the liquid causes the liquid spray pipe seat 10 to start rotating, causing the first spray pipes 11 to rotate, and at the same time, the rotation of the liquid spray pipe seat 10 drives the bearing ring frame 17 to rotate, and the rotation of the bearing ring frame 17 drives the transmission gear ring 18 to rotate, and the rotation of the transmission gear ring 18 drives the transmission gear disc 30 to rotate, and the transmission gear disc The rotation of the adapter plate 30 drives the adapter plate 31 to rotate, and the rotation of the adapter plate 31 drives the swing rod 32 to rotate. Since the other end of the swing rod 32 is connected to the transmission gear plate 22, the movement of the swing rod 32 drives the transmission gear plate 22 to move up and down reciprocatingly, and the movement of the transmission gear plate 22 drives the bearing part gear 27 to rotate reciprocatingly. The bearing part gear 27 drives the second spray pipe 14 to swing back and forth through the connecting plate 28, so that the liquid is sprayed from the reciprocating second spray pipe 14, thereby spraying water on the inner cover 3 in an all-round way to ensure that the inner cover 3 can be evenly cooled. The air coolers 16 on both sides of the cooling cover 4 can blow cold air onto the inner cover 3, and the gas between the cold air cover 4 and the inner cover 3 can be quickly discharged through the exhaust port, and the water vapor generated by vaporization is also quickly discharged to avoid the generated water vapor from hindering the cooling of the inner cover 3. A drain pipe can also be set on the base frame 1, and the drain pipe is connected to the space between the cold air cover 4 and the inner cover 3 to quickly drain the water.

[0049] The above embodiments only express one or several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. Automatic temperature control annealing furnace, characterized in that: The invention comprises a base frame (1), a furnace table (2) fixedly arranged on the base frame (1), an inner cover (3) and a cooling cover (4) arranged on the furnace table (2), a cooling fan (16) symmetrically arranged on both sides of the cooling cover (4), a top cover (5) fixedly arranged on the cooling cover (4), a liquid spraying mechanism and a swinging mechanism arranged in the cooling cover (4), and a locking mechanism arranged on the base frame (1), wherein the liquid spraying mechanism comprises a liquid outlet pipe seat (6) coaxially fixedly arranged on the top cover (5), a connecting ring (9) coaxially fixedly arranged at the bottom of the liquid outlet pipe seat (6), a liquid spraying pipe seat (10) coaxially rotatably connected to the connecting ring (9), and at least two first spraying pipes (16) arranged in an annular shape on the liquid spraying pipe seat (10). 11), a plurality of mounting boxes (19) fixedly arranged in an annular shape on the inner wall of the cooling cover (4), a plurality of supporting brackets (26) arranged at equal intervals along the length direction of the mounting boxes (19), and a second spraying pipe (14) rotatably arranged on each supporting bracket (26), a plurality of nozzles (12) being arranged at equal intervals along the axis of each first spraying pipe (11), the axis of the nozzle (12) being perpendicular to the axis of the first spraying pipe (11), the swing mechanism having a swing output end, the swing output end being used for synchronously driving the plurality of second spraying pipes (14) to swing in a vertical plane, and the locking mechanism comprising a plurality of positioning arc plates (42) and abutting blocks (43) being arranged to slide radially along the base frame (1); The liquid spraying mechanism further comprises a liquid infusion pipe (13) fixedly arranged on the side wall of each mounting box (19), a liquid transfer ring (7) fixedly arranged on the top cover (5), a liquid transfer pipe (8) fixedly arranged in an annular shape on the inner wall of the liquid transfer ring (7), and a bellows (15) arranged on each second spraying pipe (14), one end of the bellows (15) being connected to the liquid infusion pipe (13) and the other end being connected to the second spraying pipe (14), and the liquid infusion pipe (13) being connected to the inside of the liquid transfer pipe (8); Each mounting box (19) is provided with a sliding groove (20), and the swing mechanism further comprises a transmission tooth plate (22) slidably arranged in each sliding groove (20), a bearing part gear (27) rotatably arranged on each bearing bracket (26), and a connecting plate (28) fixedly arranged on each bearing part gear (27), each connecting plate (28) being fixedly arranged with a second spraying pipe (14), the transmission tooth plate (22) being transmission-connected with the swing output end, and the bearing part gear (27) being meshed with the transmission tooth plate (22); The swing mechanism further comprises a plurality of connecting columns (29) fixedly arranged on the inner wall of the cooling hood (4), a transmission gear disc (30) rotatably arranged on the connecting column (29), an adapter disc (31) coaxially fixedly arranged on the transmission gear disc (30), a swing rod (32) rotatably arranged on the adapter disc (31), a bearing ring frame (17) coaxially rotatably arranged on the inner wall of the cooling hood (4), and a transmission gear ring (18) coaxially fixedly arranged on the bearing ring frame (17), the bearing ring frame (17) being coaxially fixedly connected to the liquid spraying pipe seat (10), the transmission gear ring (18) being meshed with the transmission gear disc (30), one end of the swing rod (32) being eccentrically connected to the adapter disc (31) for rotation, and the other end being connected to the transmission gear plate (22) for rotation, and the swing rod (32) being the swing output end of the swing mechanism; The locking mechanism comprises a plurality of support columns (37) fixedly arranged on the base frame (1) in an annular shape, a U-shaped frame (38) fixedly arranged on the support column (37), positioning bars (39) symmetrically arranged on both sides of the U-shaped frame (38), a positioning rack (40) slidably arranged on the U-shaped frame (38), positioning grooves (41) symmetrically arranged on both sides of the positioning rack (40), a mounting shaft (44) rotatably arranged on the U-shaped frame (38), a winding wheel (47) and a power gear (49) coaxially fixedly arranged on the mounting shaft (44), a bearing bottom ring (33) coaxially fixedly arranged on the base frame (1), and a support ring (39) coaxially slidably connected to the bearing bottom ring (33). 4) a plurality of receiving rods (36) fixedly arranged on the side wall of the support ring (34) in an annular shape and a plurality of pressure springs (35) arranged on the bearing bottom ring (33) in an annular shape, one end of the pressure spring (35) being fixedly connected to the support ring (34) and the other end being fixedly connected to the bearing bottom ring (33), a power gear (49) being meshed with the positioning rack (40), a positioning arc plate (42) and a pressing block (43) being fixedly arranged on the positioning rack (40), a pull rope (48) being wound around the winding wheel (47), one end of the pull rope (48) being wound around the winding wheel (47) and the other end being fixedly connected to the receiving rod (36), and the positioning groove (41) corresponding to the positioning strip (39) one by one.

2. The automatic temperature-controlled annealing furnace according to claim 1, characterized in that: Limiting strips (21) are symmetrically arranged on both sides of each sliding slot (20), and limiting slots (23) are symmetrically arranged on both sides of each transmission tooth plate (22), and the limiting slots (23) correspond to the limiting strips (21) one by one.

3. The automatic temperature-controlled annealing furnace according to claim 1, characterized in that: A bearing plate (24) is fixedly arranged at the bottom of each mounting box (19), and a return spring (25) is arranged on each bearing plate (24). One end of the return spring (25) is fixedly connected to the transmission gear plate (22), and the other end is fixedly connected to the bearing plate (24).

4. The automatic temperature-controlled annealing furnace according to claim 1, characterized in that: A limit box (45) is fixedly arranged on each U-shaped frame (38), and a spring (46) is arranged in each limit box (45). One end of the spring (46) is fixedly connected to the mounting shaft (44), and the other end is fixedly connected to the inner wall of the limit box (45).

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