Multi-station continuous tempering equipment for gear heat treatment

Abstract

The utility model discloses multi-station continuous tempering equipment for gear heat treatment, and relates to the technical field of gear machining equipment. Four mounting frames are fixedly connected to the upper surface of the base, two conveying rollers are rotationally connected between the mounting frames on the front side and the rear side, a conveying belt is in transmission connection between the conveying rollers on the left side and the right side, a cooling frame is fixedly installed on the upper surface of the base, a tempering furnace is fixedly installed on the base, and the conveying belt penetrates through the interior of the tempering furnace. And a placing mechanism is arranged on the conveying belt. According to the gear blanking device, the connecting rod drives the push rod to backwards push the gear placed on the placing frame, the gear subjected to tempering heat treatment is pushed into the cooling frame to be cooled, so that the gear blanking work is realized, the gear subjected to tempering heat treatment does not need to be manually taken down from the placing frame, the gear blanking device is safer, high-temperature scalding is avoided, and the gear blanking device is energy-saving, efficient and high in practicability. And therefore, the practicability of the multi-station continuous tempering equipment for gear heat treatment is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of gear processing equipment, and specifically relates to a multi-station continuous tempering equipment for gear heat treatment. Background Technology

[0002] Gears are mechanical components with continuously meshing gears on their rims that transmit motion and power. Tempering furnaces are used for tempering general metal parts in air, as well as for quenching, annealing, and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, and aluminum plates. Gears require tempering heat treatment in a tempering furnace during the manufacturing process.

[0003] Existing published patent: CN201922413906.7 A continuous tempering furnace for gear processing. The continuous tempering furnace for gear processing adopts a structural design that combines a cylinder, a conveyor belt and a partition plate. It can maintain the sealing during the conveying process, thereby enabling tempering processing during the conveying process, forming continuous processing, and thus achieving higher efficiency.

[0004] In existing technologies, the temperature of gears after tempering reaches as high as 500-650℃. The gears need to be manually removed from the conveyor belt for cooling. Operators are at extremely high risk of burns when manually handling the material in a high-temperature environment. Furthermore, high-temperature steam or radiant heat may cause secondary injuries. In this comparative example, there is no unloading device for the gears. The gears are directly conveyed out of the tempering furnace via the conveyor belt. This means that the tempered gears need to be manually removed, which is not only physically demanding but also quite dangerous, thus reducing the safety and practicality of the tempering equipment. Utility Model Content

[0005] In existing technologies, the temperature of gears after tempering reaches 500-650℃, requiring manual removal from the conveyor belt for cooling. This poses a significant risk of burns to operators manually handling the gears in such high-temperature environments, and the high-temperature steam or radiant heat could cause secondary injuries. Furthermore, the comparative example lacks a gear unloading device; the gears are directly conveyed out of the tempering furnace via the conveyor belt. This necessitates manual removal of the tempered gears, which is not only physically demanding but also dangerous, thus reducing the safety and practicality of the tempering equipment. This invention proposes a multi-station continuous tempering device for gear heat treatment to overcome the aforementioned technical problems in existing related technologies.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a multi-station continuous tempering equipment for gear heat treatment, including a base, four mounting brackets fixedly connected to the upper surface of the base, two conveying rollers rotatably connected between the mounting brackets on the front and rear sides, a conveyor belt drivingly connected between the conveying rollers on the left and right sides, a cooling rack fixedly installed on the upper surface of the base, a tempering furnace fixedly installed on the base, and the conveyor belt passing through the tempering furnace.

[0008] The conveyor belt is equipped with a placement mechanism for placing gears that require heat treatment.

[0009] The base is equipped with a rotary mechanism, which can drive the gear to reciprocate during the tempering process in the tempering furnace, so that the gear is heated more evenly in the tempering furnace, thereby improving the effect of tempering heat treatment of the gear.

[0010] The base is equipped with a feeding mechanism, which can push the tempered and heat-treated gear into the cooling rack to achieve the feeding and cooling of the gear after heat treatment.

[0011] Furthermore, the placement mechanism includes multiple fixed cylinders, which are fixedly installed on the conveyor belt. The fixed column is rotatably sleeved on the conveyor belt via a bearing. A placement frame is fixedly connected to the end of the fixed column away from the conveyor belt. Multiple fixed frames are fixedly installed on the upper surface of the base. The upper end of the fixed frame is fixedly connected to the outer surface of the tempering furnace. The tempering furnace is fixedly installed on the base via the fixed frames.

[0012] Furthermore, the rotary mechanism includes two motors, which are respectively fixedly connected to two corresponding mounting brackets. The rotation output shafts of the motors are respectively fixedly connected to the conveying rollers. Multiple racks are fixedly connected to the inner walls of the front and rear sides of the tempering furnace. Multiple fixed gears are fixedly sleeved on the outer surface of the fixed column, and the fixed gears mesh with the racks.

[0013] Furthermore, the feeding mechanism includes a mounting block, which is fixedly connected to the upper surface of the base. A rotating rod is rotatably sleeved on the mounting block, and a positioning block is fixedly connected to the upper surface of the mounting block. A spring is provided on the rotating rod, with the inner end of the spring fixedly connected to the rotating rod and the outer end of the spring fixedly connected to the positioning block.

[0014] Furthermore, the feeding mechanism also includes a plurality of first fixed rods, the first fixed rods being fixedly connected to the outer surface of the fixed cylinder, and the outer surface of the rotating rod being fixedly connected to a second fixed rod, the second fixed rod being slidably connected to the first fixed rod.

[0015] Furthermore, the feeding mechanism also includes a support rod, which is fixedly connected to the upper surface of the base. A support block is fixedly connected to the upper end of the support rod. A support groove extending from the rear surface of the front side surface of the support block is provided, and a connecting rod is slidably connected in the support groove.

[0016] Furthermore, the feeding mechanism also includes a positioning rod, which is fixedly connected to the outer surface of the rotating rod. A sliding rod is slidably sleeved inside the positioning rod. A rotating block is fixedly connected to the upper surface of the sliding rod. The connecting rod is rotatably sleeved on the outer surface of the rotating block. A push rod is fixedly connected to one end of the connecting rod near the conveyor belt. The push rod is U-shaped.

[0017] This utility model has the following beneficial effects:

[0018] This invention uses a connecting rod to drive a push rod to push the gear placed on the placement rack backward, pushing the tempered and heat-treated gear into the cooling rack for cooling. This achieves the unloading of the gear without the need for manual removal of the tempered and heat-treated gear from the placement rack, making it safer, avoiding high-temperature burns, and saving energy and increasing the practicality of multi-station continuous tempering equipment for gear heat treatment.

[0019] This invention improves the uniformity of heating the gears in the tempering furnace by allowing them to reciprocate during the tempering heat treatment process, thereby improving the quality of the heat treatment and increasing the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0020] This invention utilizes a mechanism where, when the first fixed rod moves to the left and disengages from the second fixed rod, the compressive stress of the mainspring is released. Under the action of the mainspring, the rotating rod is reset, thereby resetting the second fixed rod and the positioning rod. Simultaneously, the connecting rod, push rod, rotating block, and sliding rod are also reset. This design eliminates the need for electrical drive, resulting in greater energy efficiency and increasing the practicality of multi-station continuous tempering equipment for gear heat treatment.

[0021] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 For the present utility model Figure 1 Enlarged view of point A;

[0025] Figure 3 This is a cross-sectional view of the tempering furnace of this utility model;

[0026] Figure 4 This is a schematic diagram of the tempering furnace structure of this utility model;

[0027] Figure 5 This is a schematic diagram of the first fixing rod structure of this utility model;

[0028] Figure 6 For the present utility model Figure 4 Enlarged view of point B.

[0029] The attached diagram lists the components represented by each number as follows:

[0030] 1. Base; 2. Mounting frame; 3. Conveyor belt; 4. Motor; 5. Conveyor roller; 6. Support block; 7. Tempering furnace; 8. Fixing frame; 9. Mounting block; 10. Rack; 11. Fixing cylinder; 12. Fixing column; 13. Fixing gear; 14. Support rod; 15. Placement frame; 16. Support groove; 17. First fixing rod; 18. Rotating rod; 19. Positioning block; 20. Spring; 21. Second fixing rod; 22. Positioning rod; 23. Sliding rod; 24. Rotating block; 25. Cooling rack; 26. Connecting rod; 27. Push rod. Detailed Implementation

[0031] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0032] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0033] Please see Figures 1-6As shown, this utility model is a multi-station continuous tempering equipment for gear heat treatment, including a base 1. Four mounting brackets 2 are fixedly connected to the upper surface of the base 1. Two conveying rollers 5 are rotatably connected between the mounting brackets 2 on the front and rear sides. A conveyor belt 3 is driven between the conveying rollers 5 on the left and right sides. A cooling rack 25 is fixedly installed on the upper surface of the base 1. A tempering furnace 7 is fixedly installed on the base 1. The conveyor belt 3 passes through the tempering furnace 7.

[0034] The conveyor belt 3 is provided with a placement mechanism, which is used to place gears that need to be heat treated.

[0035] The base 1 is provided with a rotary mechanism, which can drive the gear to reciprocate during the tempering process in the tempering furnace 7, so that the gear is heated more evenly in the tempering furnace 7, thereby improving the effect of tempering heat treatment of the gear.

[0036] The base 1 is provided with a feeding mechanism, which can push the tempered and heat-treated gear into the cooling rack 25 to realize the feeding and cooling work of the gear after heat treatment.

[0037] In use, the gear is placed on the placement mechanism located on the right side of the tempering furnace 7. The conveyor belt 3 transports the placement mechanism from right to left. During the transmission process, the conveyor belt 3 transports the placement mechanism and the gear placed on it into the tempering furnace 7 for tempering. During the transmission process in the tempering furnace 7, the gear is subjected to the action of the rotation mechanism, causing the gear to rotate back and forth in the tempering furnace 7 to ensure more uniform heating of the gear in the tempering furnace 7. After the gear has completed tempering and is transported out of the tempering furnace 7, the placement mechanism drives the unloading mechanism as it moves to the left, so that the unloading mechanism can push the tempered gear into the cooling rack 25 to achieve the unloading and cooling of the gear after heat treatment.

[0038] In one embodiment, the placement mechanism includes a plurality of fixed cylinders 11, which are fixedly mounted on the conveyor belt 3. A fixed column 12 is rotatably mounted on the conveyor belt 3 via a bearing. A placement frame 15 is fixedly connected to one end of the fixed column 12 away from the conveyor belt 3. A plurality of fixed frames 8 are fixedly mounted on the upper surface of the base 1. The upper end of the fixed frame 8 is fixedly connected to the outer surface of the tempering furnace 7. The tempering furnace 7 is fixedly mounted on the base 1 via the fixed frames 8.

[0039] In this scheme, placing the gear on the placement rack 15 avoids placing the placement rack 15 directly on the conveyor belt 3, so that the bottom of the gear can also be heated evenly during the tempering heat treatment process. This ensures that the gear is heated evenly during the tempering heat treatment, thereby improving the quality of the gear heat treatment and increasing the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0040] In one embodiment, the rotary mechanism includes two motors 4, which are fixedly connected to two corresponding mounting brackets 2. The rotation output shafts of the motors 4 are fixedly connected to the conveying rollers 5. Multiple racks 10 are fixedly connected to the inner walls of the front and rear sides of the tempering furnace 7. Multiple fixed gears 13 are fixedly sleeved on the outer surface of the fixed column 12, and the fixed gears 13 mesh with the racks 10.

[0041] In addition, in specific applications, when the motor 4 is started, the output shaft of the motor 4 drives the conveyor roller 5 to rotate. The rotation of the two conveyor rollers 5 drives the conveyor belt 3 connected to it to drive the conveyor belt, so that the fixed cylinder 11 fixedly installed on the conveyor belt 3 is conveyed into the tempering furnace 7, thereby driving the gear placed on the placement frame 15 to be continuously conveyed into the tempering furnace 7 from right to left for tempering heat treatment.

[0042] When the gears placed on the rack 15 are fed into the tempering furnace 7 one by one from right to left, the fixed gear 13 fixedly installed on the fixed column 12 meshes with the rack 10 fixedly installed in the tempering furnace 7. During the meshing process, the fixed gear 13 rotates. As the fixed gear 13 moves to the left, it alternately meshes with the racks 10 on the front and rear sides, causing the fixed gear 13 to rotate back and forth. This causes the rack 15 fixed on the fixed column 12 to rotate synchronously. The rotation of the rack 15 synchronously drives the gears placed on it to rotate, so that the gears can rotate back and forth during the tempering heat treatment in the tempering furnace 7. This improves the uniformity of heating of the gears in the tempering furnace 7, thereby improving the quality of the heat treatment of the gears in the tempering furnace 7 and increasing the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0043] In one embodiment, the feeding mechanism includes a mounting block 9, which is fixedly connected to the upper surface of the base 1. A rotating rod 18 is rotatably sleeved on the mounting block 9. A positioning block 19 is fixedly connected to the upper surface of the mounting block 9. A spring 20 is provided on the rotating rod 18. The inner end of the spring 20 is fixedly connected to the rotating rod 18, and the outer end of the spring 20 is fixedly connected to the positioning block 19.

[0044] The feeding mechanism also includes a plurality of first fixing rods 17, the first fixing rods 17 being fixedly connected to the outer surface of the fixed cylinder 11, and the outer surface of the rotating rod 18 being fixedly connected to the second fixing rod 21, the second fixing rod 21 being slidably connected to the first fixing rod 17.

[0045] The feeding mechanism also includes a support rod 14, which is fixedly connected to the upper surface of the base 1. A support block 6 is fixedly connected to the upper end of the support rod 14. A support groove 16 extending from the rear surface of the front side surface of the support block 6 is provided, and a connecting rod 26 is slidably connected in the support groove 16.

[0046] The feeding mechanism also includes a positioning rod 22, which is fixedly connected to the outer surface of the rotating rod 18. A sliding rod 23 is slidably sleeved inside the positioning rod 22. A rotating block 24 is fixedly connected to the upper surface of the sliding rod 23. A connecting rod 26 is rotatably sleeved on the outer surface of the rotating block 24. A push rod 27 is fixedly connected to one end of the connecting rod 26 near the conveyor belt 3. The push rod 27 is U-shaped.

[0047] Furthermore, in specific applications, when the gears placed on the placement rack 15 are transported out of the tempering furnace 7 one by one after completing the tempering heat treatment, the first fixed rod 17 will contact the second fixed rod 21 during its leftward displacement and push the second fixed rod 21 to rotate around the rotating rod 18, so that the rotating rod 18 rotates synchronously. During the rotation of the rotating rod 18, the mainspring 20 is driven to contract and deform. Simultaneously, the rotating rod 18 drives the positioning rod 22 to rotate, and the positioning rod 22 synchronously drives the sliding rod 23 and the rotating block 24 to rotate, because the connecting rod 26 The rotating sleeve is mounted on the rotating block 24, so the sliding rod 23 retracts or extends out of the positioning rod 22 during the rotation process. During the rotation of the rotating block 24, the connecting rod 26 moves backward. Simultaneously, the connecting rod 26 drives the push rod 27 to push the gear placed on the placement rack 15 backward, pushing the tempered heat-treated gear into the cooling rack 25 for cooling. This realizes the unloading of the gear without the need for manual removal of the tempered heat-treated gear from the placement rack 15, which is safer, avoids high temperature burns, and is energy-efficient, thereby increasing the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0048] When the first fixed rod 17 moves to the left and disengages from the second fixed rod 21, the compressive stress of the mainspring 20 is released. Under the action of the mainspring 20, the rotating rod 18 is driven to reset, thereby driving the second fixed rod 21 and the positioning rod 22 to reset. Simultaneously, the connecting rod 26, the push rod 27, the rotating block 24 and the sliding rod 23 are also driven to reset. This system does not require electric power, is more energy-efficient, and increases the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0049] In this design, the mainspring 20 has strong elasticity and sufficient elastic force to reset the rotating rod 18.

[0050] Furthermore, in this solution, both the tempering furnace 7 and the conveyor belt 3 are existing technologies in the publicly disclosed patent: CN201922413906.7 A continuous tempering furnace for gear processing, which will not be elaborated here.

[0051] Through the above technical solution, 1. the connecting rod 26 drives the push rod 27 to push the gear placed on the placement rack 15 backward, and push the tempered heat-treated gear into the cooling rack 25 for cooling, thereby realizing the unloading of the gear. The tempered heat-treated gear does not need to be manually removed from the placement rack 15, which is safer, avoids high temperature burns, and is energy-saving and efficient, thereby increasing the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0052] By allowing the gear to reciprocate during the tempering heat treatment process in the tempering furnace 7, the uniformity of heating of the gear in the tempering furnace 7 is improved, thereby improving the quality of the heat treatment of the gear in the tempering furnace 7, and thus increasing the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0053] When the first fixed rod 17 moves to the left and disengages from the second fixed rod 21, the compressive stress of the mainspring 20 is released. Under the action of the mainspring 20, the rotating rod 18 is reset, which in turn drives the second fixed rod 21 and the positioning rod 22 to reset. Simultaneously, the connecting rod 26, the push rod 27, the rotating block 24, and the sliding rod 23 are also reset. This system does not require electrical power, is more energy-efficient, and increases the practicality of the multi-station continuous tempering equipment for gear heat treatment.

[0054] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0055] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A multi-station continuous tempering equipment for gear heat treatment, comprising a base (1), characterized in that, Four mounting brackets (2) are fixedly connected to the upper surface of the base (1). Two conveying rollers (5) are rotatably connected between the mounting brackets (2) on the front and rear sides. A conveyor belt (3) is driven between the conveying rollers (5) on the left and right sides. A cooling rack (25) is fixedly installed on the upper surface of the base (1). A tempering furnace (7) is fixedly installed on the base (1). The conveyor belt (3) passes through the tempering furnace (7). The conveyor belt (3) is provided with a placement mechanism, which is used to place gears that need to be heat treated; The base (1) is provided with a rotary mechanism, which can make the placement mechanism drive the gear to rotate back and forth in the tempering furnace (7) during the tempering process, so that the gear is heated more evenly in the tempering furnace (7), thereby improving the effect of tempering heat treatment of the gear. The base (1) is provided with a feeding mechanism, which can push the tempered gear into the cooling rack (25) to realize the feeding and cooling work of the gear after heat treatment.

2. The multi-station continuous tempering equipment for gear heat treatment according to claim 1, characterized in that, The placement mechanism includes multiple fixed cylinders (11), which are fixedly installed on the conveyor belt (3). A fixed column (12) is rotatably sleeved on the conveyor belt (3) via a bearing. A placement frame (15) is fixedly connected to one end of the fixed column (12) away from the conveyor belt (3). Multiple fixed frames (8) are fixedly installed on the upper surface of the base (1). The upper end of the fixed frame (8) is fixedly connected to the outer surface of the tempering furnace (7). The tempering furnace (7) is fixedly installed on the base (1) via the fixed frame (8).

3. The multi-station continuous tempering equipment for gear heat treatment according to claim 2, characterized in that, The rotary mechanism includes two motors (4), which are fixedly connected to the corresponding two mounting brackets (2). The rotation output shafts of the motors (4) are fixedly connected to the conveying rollers (5). Multiple racks (10) are fixedly connected to the inner walls of the front and rear sides of the tempering furnace (7). Multiple fixed gears (13) are fixedly sleeved on the outer surface of the fixed column (12). The fixed gears (13) mesh with the racks (10).

4. The multi-station continuous tempering equipment for gear heat treatment according to claim 3, characterized in that, The feeding mechanism includes a mounting block (9), which is fixedly connected to the upper surface of the base (1). A rotating rod (18) is rotatably sleeved on the mounting block (9). A positioning block (19) is fixedly connected to the upper surface of the mounting block (9). A spring (20) is provided on the rotating rod (18). The inner end of the spring (20) is fixedly connected to the rotating rod (18), and the outer end of the spring (20) is fixedly connected to the positioning block (19).

5. The multi-station continuous tempering equipment for gear heat treatment according to claim 4, characterized in that, The feeding mechanism also includes a plurality of first fixed rods (17), the first fixed rods (17) are fixedly connected to the outer surface of the fixed cylinder (11), and the outer surface of the rotating rod (18) is fixedly connected to a second fixed rod (21), the second fixed rod (21) and the first fixed rod (17) are slidably connected.

6. The multi-station continuous tempering equipment for gear heat treatment according to claim 5, characterized in that, The feeding mechanism also includes a support rod (14), which is fixedly connected to the upper surface of the base (1). A support block (6) is fixedly connected to the upper end of the support rod (14). A support groove (16) extending from the rear surface of the front side of the support block (6) is provided. A connecting rod (26) is slidably connected in the support groove (16).

7. The multi-station continuous tempering equipment for gear heat treatment according to claim 6, characterized in that, The feeding mechanism also includes a positioning rod (22), which is fixedly connected to the outer surface of the rotating rod (18). A sliding rod (23) is slidably sleeved inside the positioning rod (22). A rotating block (24) is fixedly connected to the upper surface of the sliding rod (23). A connecting rod (26) is rotatably sleeved on the outer surface of the rotating block (24). One end of the connecting rod (26) near the conveyor belt (3) is fixedly connected to a push rod (27), which is U-shaped.

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