Bright annealing furnace for heat treatment of stainless steel

Abstract

The utility model belongs to the technical field of stainless steel processing, and particularly relates to a bright annealing furnace for stainless steel heat treatment, which comprises a rack, a heat preservation cover is fixedly mounted on the upper left of the rack, a heat preservation roller bin is arranged behind the heat preservation cover, and a feeding mechanism and a bright heating mechanism are respectively and fixedly mounted above the rack. A feeding mechanism is arranged on the right side of the rack, feeding operation is carried out while discharging is carried out through a material conveying mechanism capable of moving left and right, the material conveying mechanism conveys a discharging assembly subjected to heat treatment into a heat preservation roller bin for heat preservation and cooling treatment, and therefore production is effectively improved; the heat preservation cover fixedly installed on the machine frame can play a heat preservation role on the discharging assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel heat treatment devices, in particular to a bright annealing furnace used for stainless steel heat treatment. Background Art

[0002] Heat treatment of stainless steel involves altering its internal structure and properties through heating, insulation, and cooling. This treatment is crucial for optimizing the mechanical properties (such as hardness, strength, and toughness) and corrosion resistance of stainless steel. Annealing is a common heat treatment method for stainless steel, with bright annealing furnaces being the primary equipment used.

[0003] When the traditional bright annealing furnace heats the stainless steel to the set temperature, the subsequent holding and cooling processes are also in the bright annealing furnace, which makes the stainless steel stay in the bright annealing furnace for too long, resulting in a significant reduction in annealing efficiency and a significant reduction in output. In order to prevent the holding and cooling processes during stainless steel annealing from taking place in the bright annealing furnace, thereby speeding up the annealing efficiency and increasing output, we propose a bright annealing furnace for stainless steel heat treatment. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a bright annealing furnace for heat treatment of stainless steel. The material transport mechanism that can move left and right can realize the operation of loading and unloading at the same time. The material transport structure transports the discharge assembly after heat treatment to the insulation roller bin for insulation and cooling treatment, which saves the heat treatment time and improves production efficiency. The insulation cover fixedly installed on the frame can keep the discharge assembly warm, solving the background problem.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A bright annealing furnace for heat treatment of stainless steel includes a rack feeding mechanism, a heat preservation cover feeding mechanism is fixedly installed on the upper left of the rack feeding mechanism, a heat preservation roller bin feeding mechanism is arranged behind the heat preservation cover feeding mechanism, a feeding mechanism feeding mechanism and a bright heating mechanism feeding mechanism are fixedly installed above the rack feeding mechanism, a feeding mechanism is arranged on the right of the rack feeding mechanism, and a plurality of mounting holes and mounting slots are opened on the rack feeding mechanism.

[0007] Preferably, the feeding mechanism includes a first roller rack feeding mechanism, which is fixedly installed on the right side of the frame feeding mechanism, and multiple groups of roller barrels are rotatably installed on the first roller rack feeding mechanism. A multi-stage feeding cylinder feeding mechanism is fixedly installed on the first roller rack feeding mechanism, and a baffle feeding mechanism is fixedly installed in front of the first roller rack feeding mechanism.

[0008] Preferably, the feeding mechanism of the feeding mechanism includes a movable rack feeding mechanism, the movable rack is slidably mounted on the rack feeding mechanism, a plurality of limit plate feeding mechanisms are fixedly mounted on the movable rack feeding mechanism, a universal ball feeding mechanism is installed on the movable rack feeding mechanism, a discharge component feeding mechanism is provided on the movable rack feeding mechanism, the discharge component feeding mechanism is in close contact with the universal ball feeding mechanism, a multi-stage pushing cylinder feeding mechanism and a multi-stage loading cylinder feeding mechanism are fixedly mounted on the rack feeding mechanism, a cross-groove feeding mechanism is provided below the discharge component feeding mechanism, the output end of the multi-stage loading cylinder feeding mechanism is fixedly connected with a pushing plate feeding mechanism, and a cross-shaped limit block cooperating with the cross-groove feeding mechanism is provided above the pushing plate feeding mechanism.

[0009] Preferably, the feeding mechanism further includes a feeding motor feeding mechanism, which is fixedly mounted on the frame feeding mechanism, and the output shaft of the feeding motor feeding mechanism is fixedly connected to a first feeding screw feeding mechanism, the first feeding screw feeding mechanism is threadedly connected to the movable frame feeding mechanism, and the movable frame feeding mechanism is threadedly connected to a second feeding screw feeding mechanism, the right ends of the first feeding screw feeding mechanism and the second feeding screw feeding mechanism are fixedly sleeved with a first pulley feeding mechanism, a belt is tensioned and sleeved between the first pulley feeding mechanism, and the first feeding screw feeding mechanism and the second feeding screw feeding mechanism are both rotatably mounted with the frame feeding mechanism.

[0010] Preferably, the feeding mechanism of the bright heating mechanism includes a heating bin feeding mechanism, the heating bin feeding mechanism is fixedly mounted on the frame feeding mechanism, the heating bin feeding mechanism is fixedly mounted with a support arm feeding mechanism, the support arm feeding mechanism is fixedly mounted with a moving motor feeding mechanism, a first moving plate feeding mechanism and a second moving plate feeding mechanism are slidingly mounted in the heating bin feeding mechanism, the first moving plate feeding mechanism and the second moving plate feeding mechanism are both threadedly connected with a moving screw feeding mechanism, the moving screw feeding mechanism is rotatably mounted on the heating bin feeding mechanism, the left end of the moving screw feeding mechanism is fixedly sleeved with a second pulley feeding mechanism, a belt is tensionedly sleeved between the second pulley feeding mechanisms, and the output end of the moving motor feeding mechanism is fixedly connected to a pulley feeding mechanism.

[0011] Preferably, the insulation roller bin feeding mechanism includes a second roller frame feeding mechanism, the second roller frame feeding mechanism is fixedly mounted on the left rear of the frame feeding mechanism, multiple groups of roller drums are rotatably mounted on the second roller frame feeding mechanism, the insulation bin feeding mechanism is fixedly mounted on the second roller frame feeding mechanism, the front end of the insulation bin feeding mechanism is slidably mounted with a bin door feeding mechanism, and a handle is fixedly mounted on the bin door feeding mechanism.

[0012] Preferably, the feeding mechanism of the discharge assembly includes a bottom shell feeding mechanism, an insulation board feeding mechanism is fixedly installed above the bottom shell feeding mechanism, a discharge plate feeding mechanism is fixedly connected above the insulation board feeding mechanism, and a plurality of limiting protrusion feeding mechanisms are embedded on the discharge plate feeding mechanism.

[0013] Preferably, a plurality of bright heating plates are embedded in the heating chamber, a high-temperature resistant temperature detector is embedded in the upper end of the interior of the heating chamber, and an insulation layer is fixedly installed inside the outer wall of the heating chamber.

[0014] Beneficial effects

[0015] The utility model provides a bright annealing furnace for heat treatment of stainless steel. Compared with the prior art, it has the following beneficial effects:

[0016] 1. The heat-treated stainless steel is transported to the insulation roller bin through the feeding mechanism for insulation and cooling treatment, thereby freeing up the space for the heating bin, saving heat treatment time and improving production efficiency.

[0017] 2. The movable rack that can move left and right can realize the loading and unloading operation at the same time, which greatly improves the production efficiency.

[0018] 3. The feeding mechanism and the delivery mechanism realize automatic loading and unloading of the device, which greatly saves manpower and improves the automation of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model without the heat insulation cover;

[0021] Figure 3 This is a schematic diagram of another perspective of the utility model without the heat insulation cover structure;

[0022] Figure 4 This is a schematic diagram of the material transport mechanism of the utility model;

[0023] Figure 5 This is a schematic diagram of some components of the material transport mechanism of the utility model;

[0024] Figure 6 This is a schematic diagram of some components of the material transport mechanism of the present invention from another perspective;

[0025] Figure 7 This is a schematic diagram of the bright heating mechanism of the utility model;

[0026] Figure 8 This is a schematic diagram of some components of the bright heating mechanism of the utility model;

[0027] Figure 9 This is a schematic diagram of the discharge component of the utility model.

[0028] In the figure: 1, frame; 2, first roller frame; 3, second roller frame; 4, heating chamber; 5, insulation chamber; 6, chamber door; 7, baffle; 8, multi-stage feeding cylinder; 9, multi-stage pushing cylinder; 10, multi-stage loading cylinder; 11, moving frame; 12, unloading assembly; 13, feeding motor; 14, first feeding screw; 15, first pulley; 16, limit plate; 17, universal ball; 18, pushing plate; 19, Cross-shaped groove; 20. First movable plate; 21. Second movable plate; 22. Moving motor; 23. Second pulley; 24. Moving screw; 25. Support arm; 26. Feeding mechanism; 27. Bright heating mechanism; 28. Feeding mechanism; 29. Insulation roller bin; 30. Insulation cover; 31. Handle; 32. Second feeding screw; 33. Bottom shell; 34. Insulation plate; 35. Discharge plate; 36. Limiting bump. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-4 The utility model provides a technical solution: a bright annealing furnace for heat treatment of stainless steel, comprising a frame 1, a heat preservation cover 30 is fixedly installed on the upper left of the frame 1, a heat preservation roller bin 29 is provided behind the heat preservation cover 30, a feeding mechanism 26 and a bright heating mechanism 27 are fixedly installed above the frame 1, a feeding mechanism 28 is provided on the right side of the frame 1, and a plurality of mounting holes and mounting slots are opened on the frame 1.

[0031] When in use, the discharge assembly 12 is sent to the feeding mechanism 26 by the feeding mechanism 28, and then the discharge assembly 12 is pushed to the bottom of the bright heating mechanism 27 by the feeding mechanism 26, and then the multi-stage feeding cylinder 10 sends the discharge assembly 12 to the inside of the heating mechanism 28 for heating. While heating, the feeding mechanism 26 returns to its original position, and the feeding mechanism 28 sends the discharge assembly 12 to the feeding mechanism 26 again. After heating, the multi-stage feeding cylinder 10 puts the discharge assembly 12 back on the feeding mechanism 26, and then the feeding mechanism 26 moves to the left, and transports the heated discharge assembly 12 to the discharging position. At the same time, the discharge assembly 12 to be heated is also transported to the bottom of the bright heating mechanism 27, and then the multi-stage pushing cylinder 9 pushes the heated discharge assembly 12 into the insulation roller bin 29 for insulation and cooling treatment. The above operation is repeated, and the insulation cover 30 can maintain the temperature of the discharge assembly 12 and play a role in insulation.

[0032] The second feed screw feeding mechanism 28 includes a first roller frame 2, which is fixedly mounted on the right side of the frame 1. Multiple sets of roller barrels are rotatably mounted on the first roller frame 2. A multi-stage feeding cylinder 8 is fixedly mounted on the first roller frame 2. A baffle 7 is fixedly mounted in front of the first roller frame 2. During operation, the multi-stage feeding cylinder 8 pushes the discharge assembly 12 onto the movable frame 11, and the baffle 7 can limit the position of the discharge assembly 12.

[0033] The second feeding screw feeding mechanism 26 includes a moving frame 11, which is slidably mounted on the frame 1, and a number of limit plates 16 are fixedly mounted on the moving frame 11. A universal ball 17 is mounted on the moving frame 11, and a discharge assembly 12 is provided on the moving frame 11. The discharge assembly 12 is in close contact with the universal ball 17. A multi-stage pushing cylinder 9 and a multi-stage loading cylinder 10 are fixedly mounted on the frame 1, and a cross-shaped groove 19 is provided below the discharge assembly 12. The output end of the multi-stage loading cylinder 10 is fixedly connected to a pushing plate 18, and a cross-shaped limit block cooperating with the cross-shaped groove 19 is provided above the pushing plate 18. The second feeding screw feeding mechanism 26 also includes a feeding motor 13, which is fixedly mounted on the frame 1. The output shaft of the feeding motor 13 is fixedly connected to the first feeding screw 14. The first feeding screw 14 is threadedly connected to the movable frame 11. The second feeding screw 32 is threadedly connected to the movable frame 11. The right ends of the first feeding screw 14 and the second feeding screw 32 are fixedly mounted with a first pulley 15. The belt is tensioned and sleeved between the first pulleys 15. The first feeding screw 14 and the second feeding screw 32 are both rotatably mounted with the frame 1.

[0034] During operation, the output shaft of the feeding motor 13 drives the first feeding screw 14 to rotate, and the first feeding screw 14 then drives the first pulley 15 to rotate. Under the action of the belt, the other first pulley 15 also starts to rotate, and then the first feeding screw 14 and the second feeding screw 32 start to rotate synchronously at the same speed, and then the movable frame starts to move to the left. After moving to the bottom of the bright heating mechanism 27, the feeding motor 13 is turned off, and the multi-stage feeding cylinder 10 pushes the discharge assembly 12 into the bright heating mechanism 27 for heating. At the same time, the feeding motor 13 is turned on to transport the mobile rack to the starting position. After the discharge component 12 is heated, the multi-stage loading cylinder 10 puts the discharge component 12 back on the mobile rack 11, and the feeding motor 13 is turned on to transport the heat-processed discharge component 12 to the discharge position. At the same time, the discharge component 12 to be heat-processed is transported to the bottom of the bright heating mechanism 27, and then the multi-stage pushing cylinder 9 pushes the heated discharge component 12 into the insulation roller bin 29 for insulation and cooling, and repeats the above operation.

[0035] The second feeding screw bright heating mechanism 27 includes a heating chamber 4, which is fixedly mounted on the frame 1, and a support arm 25 is fixedly mounted on the heating chamber 4, and a moving motor 22 is fixedly mounted on the support arm 25. A first moving plate 20 and a second moving plate 21 are slidingly mounted in the heating chamber 4, and a moving screw 24 is threadedly connected to the first moving plate 20 and the second moving plate 21. The moving screw 24 is rotatably mounted on the heating chamber 4, and a second pulley 23 is fixedly sleeved on the left end of the moving screw 24, and a belt is tensioned between the second pulleys 23. The output end of the moving motor 22 is fixedly connected to a second pulley 23.

[0036] During operation, the moving motor 22 is turned on, and the output shaft of the moving motor 22 drives the second pulley 23 on the front side to rotate. Under the action of the belt, the two second pulleys 23 start to rotate, and then the two moving screw rods 24 start to rotate, and then the first moving plate 20 starts to move to the left, and the second moving plate 21 starts to move to the right. When it moves to the specified position, the moving motor 22 is turned off, and under the action of the multi-stage loading cylinder 10, the discharge assembly 12 is pushed into the interior of the heating bin 4, and then the bright heating plate starts to heat. After a period of time, when the temperature reaches the specified temperature and maintains it for a period of time, the multi-stage loading cylinder 10 starts to transport the discharge assembly 12 downward. When the discharge assembly 12 reaches below the first moving plate 20 and the second moving plate 21, the moving motor 22 is started, and the first moving plate 20 starts to move to the right, and the second moving plate 21 starts to move to the left, closing the heating bin 4 to maintain the internal temperature.

[0037] The second feed screw heat-insulating roller bin 29 includes a second roller frame 3, which is fixedly mounted on the left rear of the frame 1. Multiple sets of roller drums are rotatably mounted on the second roller frame 3. A heat-insulating bin 5 is fixedly mounted on the second roller frame 3. A bin door 6 is slidably mounted on the front end of the heat-insulating bin 5, and a handle 31 is fixedly mounted on the bin door 6. During operation, the bin door 6 is manually pulled up using the handle 31, and under the action of the multi-stage push cylinder 9, the discharge assembly 12 is pushed into the heat-insulating bin 5 for heat preservation and cooling.

[0038] The second feed screw discharge assembly 12 includes a bottom shell 33, a heat preservation plate 34 is fixedly mounted on the bottom shell 33, a discharge plate 35 is fixedly connected to the heat preservation plate 34, and a plurality of limit protrusions 36 are embedded on the discharge plate 35. The heat preservation plate 34 can reduce the heat outflow from the heating chamber 4, and the limit protrusions 36 can ensure that the stainless steel is placed on it more stably.

[0039] The heating chamber 4 is embedded with several bright heating plates, a high-temperature temperature detector is embedded in the upper end of the heating chamber 4, and an insulation layer is fixedly installed on the outer wall of the heating chamber 4. The bright heating plates provide heating, the high-temperature temperature detector can detect the internal temperature, and the insulation layer can reduce the heat loss from the heating chamber 4.

[0040] The feeding mechanism sends the discharge component to the mobile rack, and the mobile rack pushes the discharge component to the bottom of the bright heating mechanism. Then the multi-stage feeding cylinder sends the discharge component to the inside of the heating bin for heating. While heating, the mobile rack returns to its original position, and the feeding mechanism sends the discharge component to the mobile rack again. After heating, the multi-stage feeding cylinder puts the discharge component back on the mobile rack, and then the mobile rack moves to the left to transport the heated discharge component to the discharge position. At the same time, the discharge component to be heated is also transported to the bottom of the bright heating mechanism. Then, the multi-stage pushing cylinder pushes the heated discharge component to the insulation roller bin for insulation and cooling, and repeats the above operation.

[0041] Working principle: During operation, the multi-stage feeding cylinder 8 pushes the discharge assembly 12 onto the movable frame 11, and the baffle 7 can limit the position of the discharge assembly 12. Then the output shaft of the feeding motor 13 drives the first feeding screw 14 to rotate, and the first feeding screw 14 drives the first pulley 15 to rotate. Under the action of the belt, the other first pulley 15 also starts to rotate, and then the first feeding screw 14 and the second feeding screw 32 start to rotate synchronously at the same speed, and then the movable frame starts to move to the left. After moving to the bottom of the bright heating mechanism 27, the feeding motor 13 is turned off.

[0042] Then the moving motor 22 is turned on, and the output shaft of the moving motor 22 drives the second pulley 23 on the front side to rotate. Under the action of the belt, the two second pulleys 23 start to rotate, and then the two moving screw rods 24 start to rotate, and then the first moving plate 20 starts to move to the left, and the second moving plate 21 starts to move to the right. When it moves to the specified position, the moving motor 22 is turned off, and under the action of the multi-stage loading cylinder 10, the discharge assembly 12 is pushed into the interior of the heating bin 4, and then the bright heating plate starts to heat. After a period of time, when the temperature reaches the specified temperature and maintains it for a period of time, the multi-stage loading cylinder 10 starts to transport the discharge assembly 12 downward. When the discharge assembly 12 reaches below the first moving plate 20 and the second moving plate 21, the moving motor 22 is started, and the first moving plate 20 starts to move to the right, and the second moving plate 21 starts to move to the left, closing the heating bin 4 to maintain the internal temperature.

[0043] Then the multi-stage loading cylinder 10 puts the discharge assembly 12 back on the movable rack 11, and the feeding motor 13 is turned on to transport the heat-processed discharge assembly 12 to the discharge position. At the same time, the discharge assembly 12 to be heat-processed is transported to the bottom of the bright heating mechanism 27. The warehouse door 6 is manually pulled up by the handle 31. Under the action of the multi-stage pushing cylinder 9, the discharge assembly 12 is pushed into the insulation warehouse 5 for insulation and cooling treatment, and the above operation is repeated.

Claims

1. A bright annealing furnace for heat treatment of stainless steel, comprising a frame (1), characterized in that: A heat preservation cover (30) is fixedly installed on the upper left of the frame (1), and a heat preservation roller bin (29) is arranged behind the heat preservation cover (30). A feeding mechanism (26) and a bright heating mechanism (27) are fixedly installed above the frame (1), and a feeding mechanism (28) is arranged on the right side of the frame (1). The frame (1) is provided with a plurality of mounting holes and mounting slots.

2. The bright annealing furnace for heat treatment of stainless steel according to claim 1, characterized in that: The feeding mechanism (28) comprises a first roller frame (2), the first roller frame (2) being fixedly mounted on the right side of the frame (1), a plurality of roller barrels being rotatably mounted on the first roller frame (2), a multi-stage feeding cylinder (8) being fixedly mounted on the first roller frame (2), and a baffle (7) being fixedly mounted in front of the first roller frame (2).

3. The bright annealing furnace for heat treatment of stainless steel according to claim 1, characterized in that: The feeding mechanism (26) comprises a movable frame (11), the movable frame (11) is slidably mounted on the frame (1), a plurality of limit plates (16) are fixedly mounted on the movable frame (11), a universal ball (17) is mounted on the movable frame (11), a discharge assembly (12) is provided on the movable frame (11), the discharge assembly (12) is in close contact with the universal ball (17), a multi-stage pushing cylinder (9) and a multi-stage loading cylinder (10) are respectively fixedly mounted on the frame (1), a cross-shaped groove (19) is provided below the discharge assembly (12), an output end of the multi-stage loading cylinder (10) is fixedly connected to a push plate (18), and a cross-shaped limit block cooperating with the cross-shaped groove (19) is provided above the push plate (18).

4. The bright annealing furnace for heat treatment of stainless steel according to claim 3, characterized in that: The feeding mechanism (26) further comprises a feeding motor (13), the feeding motor (13) being fixedly mounted on the frame (1), the output shaft of the feeding motor (13) being fixedly connected to a first feeding screw rod (14), the first feeding screw rod (14) being threadedly connected to the movable frame (11), the movable frame (11) being threadedly connected to a second feeding screw rod (32), the right ends of the first feeding screw rod (14) and the second feeding screw rod (32) being fixedly sleeved with a first pulley (15), a belt being tensioned and sleeved between the first pulleys (15), and the first feeding screw rod (14) and the second feeding screw rod (32) being rotatably mounted on the frame (1).

5. The bright annealing furnace for heat treatment of stainless steel according to claim 1, characterized in that: The bright heating mechanism (27) includes a heating chamber (4), the heating chamber (4) is fixedly mounted on the frame (1), a support arm (25) is fixedly mounted on the heating chamber (4), a moving motor (22) is fixedly mounted on the support arm (25), a first moving plate (20) and a second moving plate (21) are slidably mounted in the heating chamber (4), the first moving plate (20) and the second moving plate (21) are both threadedly connected with a moving screw rod (24), the moving screw rod (24) is rotatably mounted on the heating chamber (4), a second pulley (23) is fixedly sleeved on the left end of the moving screw rod (24), a belt is tensionedly sleeved between the second pulleys (23), and the output end of the moving motor (22) is fixedly connected to a second pulley (23).

6. The bright annealing furnace for heat treatment of stainless steel according to claim 1, characterized in that: The heat-insulating roller bin (29) comprises a second roller frame (3), the second roller frame (3) is fixedly mounted on the left rear of the frame (1), a plurality of roller drums are rotatably mounted on the second roller frame (3), a heat-insulating bin (5) is fixedly mounted on the second roller frame (3), a bin door (6) is slidably mounted at the front end of the heat-insulating bin (5), and a handle (31) is fixedly mounted on the bin door (6).

7. The bright annealing furnace for heat treatment of stainless steel according to claim 3, characterized in that: The discharge assembly (12) comprises a bottom shell (33), a heat preservation plate (34) is fixedly mounted above the bottom shell (33), a discharge plate (35) is fixedly connected above the heat preservation plate (34), and a plurality of limiting protrusions (36) are embedded on the discharge plate (35).

8. The bright annealing furnace for heat treatment of stainless steel according to claim 5, characterized in that: A plurality of bright heating plates are embedded in the heating chamber (4), a high-temperature resistant temperature detector is embedded in the upper end of the interior of the heating chamber (4), and a heat-insulating layer is fixedly installed inside the outer wall of the heating chamber (4).

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