An annealing device for alloy steel castings

Abstract

The present invention relates to the technical field of annealing furnaces, and particularly relates to an annealing device for alloy steel castings, including a workbench. Two connection grooves are formed in the outer wall of the bottom of the workbench, and support mechanisms are arranged on the inner walls of the two connection grooves. An annealing mechanism is installed on the outer wall of the top of the workbench. Two symmetrically arranged protective plates are fixedly connected to the outer wall of the top of the workbench, and the protective plates are located above the annealing mechanism. The support mechanism includes a driving seat fixedly connected to the inner wall of the connection groove. By providing two symmetrically arranged support mechanisms at the bottom of the tooling table in the present invention, the adjustable contact seat in the support mechanism increases the contact area with the ground, thereby improving the stability of the workbench. Also, through the cooperation between the bidirectional screw two, the threaded sleeve and the support plate in the support mechanism, it is convenient to adjust the position of the contact seat, improving the adjustment accuracy. The cooperation between the servo motor and the gear set facilitates the automatic adjustment of the position of the contact seat.

Description

Technical Field

[0001] The present invention relates to the technical field of annealing furnaces, and particularly to an annealing device for alloy steel castings. Background Art

[0002] The casting annealing furnace adopts a steel structure frame, which has sufficient strength to bear the self-weight of the furnace body and the weight of workpieces; it has a full-fiber furnace lining, adopts modern masonry technology, has a service life of more than ten years, can quickly raise and lower the temperature, and saves 30 - 35% of energy. Due to the low and fluctuating pressure of single-stage producer gas, frequent ignition is required at low temperatures, and the furnace temperature error is not easy to control. Generally, a manual control method is recommended.

[0003] After retrieval, a patent with the Chinese patent application number CN219907782U discloses an annealing device for alloy steel castings, including a workbench. A transportation structure is installed on the lower wall surface of the workbench, an annealing structure is installed on the upper wall surface of the workbench, and a guiding structure is installed on the upper wall surface of the workbench. The transportation structure includes: four shock-absorbing wheels, two fixed screws, two threaded guide sleeves, and two anti-slip blocks; the four shock-absorbing wheels are respectively installed on the lower wall surface of the workbench, the two fixed screws are respectively installed on the lower wall surface of the workbench, the two threaded guide sleeves are respectively sleeved on the outer walls of the two fixed screws, and the two anti-slip blocks are respectively installed on the lower wall surfaces of the two threaded guide sleeves. The annealing structure includes: two hydraulic cylinders, two fixed frames, an annealing furnace, a furnace frame, a guide rod, and an auxiliary spring; the two hydraulic cylinders are respectively installed on the upper wall surface of the workbench, the two fixed frames are respectively installed on the inner walls of the two hydraulic cylinders, the annealing furnace is installed on the inner walls of the two fixed frames, the furnace frame is installed on the upper wall surface of the workbench and is located directly below the annealing furnace, the guide rod is installed on the upper wall surface inside the furnace frame, and the auxiliary spring is sleeved on the outer wall of the guide rod. The guiding structure includes: two positioning plates, two heat preservation plates, and two furnace guiding frames; the two positioning plates are respectively installed on the upper wall surface of the workbench, the two heat preservation plates are respectively installed on the upper wall surfaces of the two positioning plates, and the two furnace guiding frames are respectively installed on the lower wall surfaces of the two heat preservation plates.

[0004] The alloy steel casting annealing device in the above patent has the following deficiencies: The above patent facilitates the support of the workbench through the cooperation between the fixed screw and the threaded guide sleeve. However, the setting of the threaded guide sleeve is inconvenient to adjust during actual operation, and the setting of the two threaded guide sleeves has poor stability, which easily leads to safety accidents of the annealing furnace. Summary of the Invention

[0005] The purpose of the present invention is to solve or at least alleviate the problems existing in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solution: An annealing device for alloy steel castings, comprising a workbench. Two connecting grooves are provided on the outer wall of the bottom of the workbench, and support mechanisms are provided on the inner walls of the two connecting grooves. An annealing mechanism is installed on the outer wall of the top of the workbench. Two symmetrically arranged protective plates are fixedly connected to the outer wall of the top of the workbench, and the protective plates are located above the annealing mechanism. The support mechanism includes a driving seat fixedly connected to the inner wall of the connecting groove, and an opening one is provided on the outer wall of the bottom of the driving seat. A contact seat is slidably connected to the inner wall of the opening one, and the cross-section of the contact seat is a T-shaped structure. The same two-way screw two is rotatably connected to the inner walls on both sides of the driving seat, and two symmetrically arranged threaded sleeves are screwed on the outer wall of the two-way screw two. The outer walls of the two threaded sleeves are rotatably connected to support plates, and one end of the two support plates is rotatably connected to the contact seat.

[0007] With the above structure, the contact area with the ground is increased through the setting of the two support mechanisms, which facilitates the support of the workbench and improves the stability of the workbench at the same time. The T-shaped contact seat further improves the stability. The two protective plates are symmetrically arranged with respect to the annealing mechanism, which facilitates the protection of the annealed workpieces. When the two-way screw two rotates, it directly drives the two threaded sleeves to move towards or away from each other. When the two threaded sleeves move towards each other, it directly drives the contact seat to extend, thereby lifting the workbench.

[0008] In a possible implementation manner, a U-shaped frame is fixedly connected to the midpoint of the two-way screw two, and a gear one is fixedly connected to the midpoint of the two-way screw two.

[0009] With the above structure, the U-shaped frame facilitates the installation of the two-way screw two, and the gear one drives the two-way screw two to rotate.

[0010] In a possible implementation manner, the same gear two is rotatably connected to the outer walls on both sides of the U-shaped frame, and the gear two meshes with the gear one. A servo motor is fixedly connected to the outer wall of the U-shaped frame, and the output shaft of the servo motor is fixedly connected to the gear two.

[0011] With the above structure, the servo motor drives the gear two to rotate. When the gear two rotates, it drives the gear one to rotate, and then directly drives the two-way screw two to rotate. The two-way screw two rotates in cooperation with the threaded sleeve to adjust the contact seat.

[0012] In a possible implementation manner, the annealing mechanism includes a support seat fixedly connected to the workbench, and an annealing furnace is provided on the outer wall of the top of the support seat. A heating coil is fixedly connected to the inner wall of the annealing furnace.

[0013] With the above structure, the support seat facilitates the support of the annealing furnace, and the heating coil facilitates the heating and annealing of the workpieces to be annealed.

[0014] In a possible implementation, two symmetrically arranged guide rods are fixedly connected to the outer wall of the top of the workbench, and sliding sleeves are slidably connected to the outer walls of the two guide rods. The two sliding sleeves are fixedly connected to the same annealing furnace.

[0015] With the above structure, the movement trajectory of the annealing furnace is conveniently restricted by the cooperation of the two guide rods and the sliding sleeves, thereby avoiding the situation of deviation when the annealing furnace moves.

[0016] In a possible implementation, the same bidirectional screw rod one is rotatably connected to the inner walls on both sides of the support base, and a sprocket one is fixedly connected to the midpoint of the bidirectional screw rod one. Two symmetrically arranged trapezoidal blocks are slidably connected to the inner wall of the bottom of the support base, and the two trapezoidal blocks are both screwed on the outer wall of the bidirectional screw rod one.

[0017] With the above structure, the two trapezoidal blocks are directly driven to move towards or away from each other by the rotation of the bidirectional screw rod one, and the setting of the sprocket one facilitates driving the rotation of the bidirectional screw rod one.

[0018] In a possible implementation, three openings two are formed in the outer wall of the top of the support base, and two support frames and a contact block are respectively slidably connected to the inner walls of the three openings two. The support frames and the contact block are fixedly connected to the same mounting base on the top outer wall. The annealing furnace is fixedly connected to the mounting base. Driving wheels are rotatably connected to the bottom outer walls of the two support frames, and the driving wheels are in contact with the trapezoidal blocks. A detection component is installed on the inner wall of the support base. A servo motor is fixedly connected to the inner wall of the support base, and a sprocket two is fixedly connected to the output shaft of the servo motor. The same chain is connected between the sprocket two and the sprocket one.

[0019] With the above structure, the bidirectional screw rod one is directly driven to rotate by the servo motor and the chain. When the bidirectional screw rod one rotates, it drives the two trapezoidal blocks to move towards or away from each other. When the two trapezoidal blocks move towards each other, the mounting base is driven to rise through the cooperation of the driving wheels and the support frames, thereby supporting and lifting the annealing furnace.

[0020] In a possible implementation, two symmetrically arranged rollers are rotatably connected to the outer wall of the bottom of the workbench, and two universal wheels are rotatably connected to the outer wall of the bottom of the workbench. A handle is fixedly connected to one side outer wall of the workbench. Two symmetrically arranged guardrails are fixedly connected to the outer wall of the top of the workbench. The detection component includes a detection base fixedly connected to the inner wall of the support base, and a detection groove is formed in the outer wall of the top of the detection base. A trigger block is slidably connected to the inner wall of the detection groove, and the trigger block is in contact with the contact seat. Two springs are fixedly connected to the bottom outer wall of the trigger block.

[0021] With the above structure, the setting of the roller facilitates the movement of the auxiliary workbench, the setting of the universal wheel facilitates the adjustment of the direction of the auxiliary workbench, the setting of the guardrail facilitates the protection of the annealing mechanism, the setting of the detection component facilitates the restriction of the downward movement of the contact block, and the compression of the spring is facilitated when the contact block pushes the trigger block.

[0022] In a possible implementation manner, a pressure sensor is fixedly connected to the inner wall of the bottom of the detection groove, and the pressure sensor is in contact with the spring.

[0023] With the above structure, the compressed spring acts on the pressure sensor, thereby triggering the pressure sensor to stop the servo motor.

[0024] In a possible implementation manner, a pressure switch is fixedly connected to the inner wall of the bottom of the detection groove, and the pressure switch is in contact with the spring.

[0025] With the above structure, the compressed spring acts on the pressure switch, thereby triggering the pressure switch to stop the servo motor.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] In the present invention, by arranging two symmetrically arranged support mechanisms at the bottom of the tooling table, the adjustable contact seat in the support mechanism increases the contact area with the ground, thereby improving the stability of the workbench. Also, through the cooperation between the bidirectional screw two, the threaded sleeve and the support plate in the support mechanism, the position of the contact seat can be conveniently adjusted, improving the adjustment accuracy, and the cooperation between the servo motor and the gear set facilitates the automatic adjustment of the position of the contact seat;

[0028] In the present invention, by arranging a support seat in the annealing mechanism, the cooperation between the trapezoidal block, the roller and the support frame arranged in the support seat facilitates the adjustment of the height of the annealing furnace on the mounting seat. The setting of the bidirectional screw one improves the adjustment accuracy of the annealing furnace. Through the cooperation between the servo motor and the chain, it is convenient to directly drive the bidirectional screw one to rotate, and thus it is convenient to directly drive the annealing furnace to adjust the height;

[0029] In the present invention, by arranging a detection component in the support seat, the detection component facilitates directly detecting the distance of the downward movement of the mounting seat, and when the detection component is triggered, the rotation of the servo motor is directly stopped. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 is a three-dimensional structure diagram of the present invention;

[0032] Figure 3 is a schematic diagram of the structure of the annealing mechanism of the present invention;

[0033] Figure 4 Schematic structural diagram of the annealing furnace of the present invention;

[0034] Figure 5 Schematic structural diagram of the support mechanism of the present invention;

[0035] Figure 6 Schematic sectional view of the support base of the present invention;

[0036] Figure 7 Schematic sectional view of the support mechanism of the present invention;

[0037] Figure 8 Schematic sectional view of the detection component of the first embodiment of the present invention;

[0038] Figure 9 Schematic sectional view of the detection component of the first embodiment of the present invention.

[0039] In the figure: 1, workbench; 2, guardrail; 3, roller; 4, universal wheel; 5, handle; 6, protection plate; 7, annealing mechanism; 8, support mechanism; 9, support base; 10, annealing furnace; 11, guide rod; 12, sliding sleeve; 13, heating coil; 14, driving seat; 15, contact seat; 16, first bidirectional screw; 17, servo motor; 18, chain; 19, trapezoidal block; 20, support frame; 21, driving wheel; 22, mounting seat; 23, contact block; 24, detection component; 25, detection seat; 26, detection groove; 27, pressure sensor; 28, spring; 29, trigger block; 30, second bidirectional screw; 31, threaded sleeve; 32, first gear; 33, support plate; 34, second gear; 35, servo motor; 36, pressure switch. Detailed implementation manners

[0040] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. First embodiment

[0041] Please refer to Figures 1-8, An annealing device for alloy steel castings, comprising a workbench 1. Two connecting grooves are provided on the outer wall of the bottom of the workbench 1, and support mechanisms 8 are arranged on the inner walls of the two connecting grooves. An annealing mechanism 7 is installed on the outer wall of the top of the workbench 1. Two symmetrically arranged protective plates 6 are fixedly connected to the outer wall of the top of the workbench 1, and the protective plates 6 are located above the annealing mechanism 7. The support mechanism 8 includes a driving seat 14 fixedly connected to the inner wall of the connecting groove. An opening one is provided on the outer wall of the bottom of the driving seat 14, and a contact seat 15 is slidably connected to the inner wall of the opening one. The cross-section of the contact seat 15 is a T-shaped structure. The same bidirectional screw two 30 is rotatably connected to the inner walls on both sides of the driving seat 14, and two symmetrically arranged threaded sleeves 31 are screwed on the outer wall of the bidirectional screw two 30. The outer walls of the two threaded sleeves 31 are rotatably connected to support plates 33, and one end of each of the two support plates 33 is rotatably connected to the contact seat 15. By arranging the two support mechanisms 8, the contact area with the ground is increased, facilitating the support of the workbench 1 and improving the stability of the workbench 1 at the same time. The T-shaped contact seat 15 further improves the stability. The two protective plates 6 are symmetrically arranged with respect to the annealing mechanism 7, facilitating the protection of the annealed workpieces. When the bidirectional screw two 30 rotates, it directly drives the two threaded sleeves 31 to move towards or away from each other. When the two threaded sleeves 31 move towards each other, they directly drive the contact seat 15 to extend, thereby lifting the workbench 1.

[0042] Specifically, please refer to Figure 7 , A U-shaped frame is fixedly connected to the midpoint of the bidirectional screw two 30, and a gear one 32 is fixedly connected to the midpoint of the bidirectional screw two 30. The U-shaped frame facilitates the installation of the bidirectional screw two 30, and the gear one 32 drives the bidirectional screw two 30 to rotate.

[0043] Specifically, please refer to Figure 7 , The same gear two 34 is rotatably connected to the outer walls on both sides of the U-shaped frame, and the gear two 34 meshes with the gear one 32. A servo motor 35 is fixedly connected to the outer wall of the U-shaped frame, and the output shaft of the servo motor 35 is fixedly connected to the gear two 34. The servo motor 35 drives the gear two 34 to rotate. When the gear two 34 rotates, it drives the gear one 32 to rotate, and then directly drives the bidirectional screw two 30 to rotate. The bidirectional screw two 30 rotates in cooperation with the threaded sleeve 31 to adjust the contact seat 15.

[0044] Specifically, please refer to Figure 4 , The annealing mechanism 7 includes a support seat 9 fixedly connected to the workbench 1, and an annealing furnace 10 is arranged on the outer wall of the top of the support seat 9. A heating coil 13 is fixedly connected to the inner wall of the annealing furnace 10. The support seat 9 facilitates the support of the annealing furnace 10, and the heating coil 13 facilitates the heating and annealing of the workpieces to be annealed.

[0045] Specifically, please refer to Figure 4, on the outer wall of the top of the workbench 1, two symmetrically arranged guide rods 11 are fixedly connected, and sliding sleeves 12 are slidably connected to the outer walls of the two guide rods 11. The two sliding sleeves 12 are fixedly connected to the same annealing furnace 10. The arrangement of the two guide rods 11 facilitates the cooperation with the sliding sleeves 12 to limit the movement track of the annealing furnace 10, thereby avoiding the deviation of the annealing furnace 10 during movement.

[0046] Specifically, please refer to Figure 6 , on the inner walls of both sides of the support base 9, the same first bidirectional screw rod 16 is rotatably connected, and a first sprocket is fixedly connected to the midpoint of the first bidirectional screw rod 16. On the inner wall of the bottom of the support base 9, two symmetrically arranged trapezoidal blocks 19 are slidably connected, and the two trapezoidal blocks 19 are both screwed on the outer wall of the first bidirectional screw rod 16. By rotating the first bidirectional screw rod 16, the two trapezoidal blocks 19 are directly driven to move towards or away from each other. The arrangement of the first sprocket facilitates driving the rotation of the first bidirectional screw rod 16.

[0047] Specifically, please refer to Figure 6 , three openings 2 are provided on the outer wall of the top of the support base 9, and two support frames 20 and a contact block 23 are slidably connected to the inner walls of the three openings 2 respectively. The support frames 20 and the contact block 23 are fixedly connected to the same mounting base 22, and the annealing furnace 10 is fixedly connected to the mounting base 22. Driving wheels 21 are rotatably connected to the outer walls of the bottoms of the two support frames 20, and the driving wheels 21 are in contact with the trapezoidal blocks 19. A detection component 24 is installed on the inner wall of the support base 9, a servo motor 17 is fixedly connected to the inner wall of the support base 9, and a second sprocket is fixedly connected to the output shaft of the servo motor 17. The same chain 18 is connected between the second sprocket and the first sprocket. By cooperating the servo motor 17 with the chain 18, the first bidirectional screw rod 16 is directly driven to rotate. When the first bidirectional screw rod 16 rotates, the two trapezoidal blocks 19 are driven to move towards or away from each other. When the two trapezoidal blocks 19 move towards each other, the mounting base 22 is driven to rise through the cooperation of the driving wheels 21 and the support frames 20, thereby supporting and lifting the annealing furnace 10.

[0048] Specifically, please refer to Figures 1-3, two symmetrically arranged rollers 3 are rotatably connected to the outer wall of the bottom of the workbench 1, and two universal wheels 4 are rotatably connected to the outer wall of the bottom of the workbench 1. A handle 5 is fixedly connected to one side outer wall of the workbench 1, and two symmetrically arranged guardrails 2 are fixedly connected to the outer wall of the top of the workbench 1. The detection assembly 24 includes a detection seat 25 fixedly connected to the inner wall of the support seat 9, and a detection groove 26 is formed in the outer wall of the top of the detection seat 25. A trigger block 29 is slidably connected to the inner wall of the detection groove 26, and the trigger block 29 is in contact with the contact seat 15. Two springs 28 are fixedly connected to the outer wall of the bottom of the trigger block 29. The arrangement of the rollers 3 facilitates the movement of the workbench 1, the arrangement of the universal wheels 4 facilitates the adjustment of the direction of the workbench 1, the arrangement of the guardrails 2 facilitates the protection of the annealing mechanism 7, and the arrangement of the detection assembly 24 facilitates the restriction of the downward movement of the contact block 23. When the contact block 23 pushes the trigger block 29, it is convenient to compress the spring 28.

[0049] Specifically, please refer to Figure 8 , a pressure sensor 27 is fixedly connected to the inner wall of the bottom of the detection groove 26, and the pressure sensor 27 is in contact with the spring 28. The compressed spring 28 acts on the pressure sensor 27, thereby triggering the pressure sensor 27 to stop the servo motor 17. Embodiment 2

[0050] Based on Embodiment 1, this embodiment introduces the specific structure of the detection assembly 24 in an annealing device for alloy steel castings. Figure 9 As shown, a pressure switch 36 is fixedly connected to the inner wall of the bottom of the detection groove 26, and the pressure switch 36 is in contact with the spring 28. The compressed spring 28 acts on the pressure switch 36, thereby triggering the pressure switch 36 to stop the servo motor 17.

[0051] Working principle: When in use, the workbench 1 is moved to a specified position through the cooperation between the rollers 3 and the universal wheels 4, and then two support mechanisms 8 are started. When the support mechanism 8 is started, the servo motor 35 inside it drives the gear two 34 to drive the gear one 32 to rotate. When the gear one 32 rotates, it directly drives the bidirectional screw two 30 to rotate. When the bidirectional screw two 30 rotates, it drives two threaded sleeves 31 to move towards or away from each other. When the two threaded sleeves 31 move towards each other, they directly drive the support plate 33 to push the contact seat 15 downward. When the contact seat 15 descends and contacts the ground, the workbench 1 is lifted, so that the rollers 3 and the universal wheels 4 leave the ground, thereby improving the stability of the workbench 1.

[0052] When the conveying component transports the workpiece to be annealed between the two protective plates 6, the servo motor 17 starts and drives the bidirectional screw 16 to rotate through the chain 18. When the bidirectional screw 16 rotates, it drives the two trapezoidal blocks 19 to move towards or away from each other. When the two trapezoidal blocks 19 move towards each other, the mounting seat 22 is directly lifted by the driving wheel 21 cooperating with the support frame 20. When the mounting seat 22 rises, the annealing furnace 10 is directly lifted, and the workpiece is placed in the middle of the heating coil 13. When the heating coil 13 is powered on, the workpiece is annealed. When the annealing furnace 10 returns to its original position, the contact block 23 triggers the detection component 24. When the trigger block 29 in the detection component 24 compresses the spring 28, the pressure sensor 27 detects the pressure and is directly triggered, or the detection component is triggered through the pressure switch 36, thereby stopping the rotation of the servo motor 17.

[0053] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An alloy steel casting annealing device, comprising a workbench (1), characterized in that: The bottom outer wall of the workbench (1) is provided with two connecting grooves, and the inner walls of the two connecting grooves are both provided with supporting mechanisms (8); the top outer wall of the workbench (1) is provided with an annealing mechanism (7); the top outer wall of the workbench (1) is fixedly connected with two symmetrically arranged protective plates (6), and the protective plates (6) are located above the annealing mechanism (7); the supporting mechanism (8) comprises a driving seat (14) fixedly connected to the inner wall of the connecting groove, and the bottom outer wall of the driving seat (14) is provided with an opening 1, the inner wall of the opening 1 is slidably connected with a contact seat (15), and the cross-section of the contact seat (15) is a T-shaped structure; the inner walls on both sides of the driving seat (14) are rotatably connected with the same bidirectional screw rod 2 (30), and the outer wall of the bidirectional screw rod 2 (30) is screwed with two symmetrically arranged threaded sleeves (31), the outer walls of the two threaded sleeves (31) are both rotatably connected with supporting plates (33), and one end of the two supporting plates (33) is rotatably connected to the contact seat (15); A U-shaped frame is fixedly connected at the midpoint of the bidirectional screw rod 2 (30), a gear 1 (32) is fixedly connected at the midpoint of the bidirectional screw rod 2 (30), the outer walls on both sides of the U-shaped frame are rotatably connected to the same gear 2 (34), and the gear 2 (34) and the gear 1 (32) are meshed with each other, a servo motor (35) is fixedly connected to the outer wall of the U-shaped frame, and the output shaft of the servo motor (35) is fixedly connected to the gear 2 (34); The annealing mechanism (7) comprises a support base (9) fixedly connected to the workbench (1), and an annealing furnace (10) is arranged on the outer wall of the top of the support base (9), and a heating coil (13) is fixedly connected to the inner wall of the annealing furnace (10); The top outer wall of the workbench (1) is fixedly connected to two symmetrically arranged guide rods (11), and the outer walls of the two guide rods (11) are slidably connected to sliding sleeves (12), and the two sliding sleeves (12) are fixedly connected to the same annealing furnace (10); The inner walls of both sides of the support seat (9) are rotatably connected to the same bidirectional screw rod (16), and a sprocket wheel (1) is fixedly connected at the midpoint of the bidirectional screw rod (16). The inner wall at the bottom of the support seat (9) is slidably connected to two symmetrically arranged trapezoidal blocks (19), and the two trapezoidal blocks (19) are both screwed to the outer wall of the bidirectional screw rod (16). The outer wall at the top of the support seat (9) is provided with three openings (2), and the inner walls of the three openings (2) are respectively slidably connected to two support frames (20) and a contact block (23). The support frame (20) and the contact block (23) are ) is fixedly connected to a same mounting seat (22) on the top outer wall, the annealing furnace (10) is fixedly connected to the mounting seat (22), the bottom outer walls of the two support frames (20) are rotatably connected to a driving wheel (21), and the driving wheel (21) is in contact with the trapezoidal block (19), a detection component (24) is installed on the inner wall of the support seat (9), a servo motor (17) is fixedly connected to the inner wall of the support seat (9), and a sprocket two is fixedly connected to the output shaft of the servo motor (17), and a same chain (18) is connected between the sprocket two and the sprocket one.

2. The alloy steel casting annealing device according to claim 1, characterized in that: The bottom outer wall of the workbench (1) is rotatably connected to two symmetrically arranged rollers (3), and the bottom outer wall of the workbench (1) is rotatably connected to two universal wheels (4); a handle (5) is fixedly connected to one side outer wall of the workbench (1); and two symmetrically arranged guardrails (2) are fixedly connected to the top outer wall of the workbench (1); the detection component (24) comprises a detection seat (25) fixedly connected to the inner wall of the support seat (9); and a detection groove (26) is provided on the top outer wall of the detection seat (25); a trigger block (29) is slidably connected to the inner wall of the detection groove (26), and the trigger block (29) is in contact with the contact seat (15); and two springs (28) are fixedly connected to the bottom outer wall of the trigger block (29).

3. The alloy steel casting annealing device according to claim 2, characterized in that: A pressure sensor (27) is fixedly connected to the inner wall of the bottom of the detection groove (26), and the pressure sensor (27) is in contact with the spring (28).

4. The alloy steel casting annealing device according to claim 2, characterized in that: A pressure switch (36) is fixedly connected to the inner wall of the bottom of the detection groove (26), and the pressure switch (36) is in contact with the spring (28).

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