A heat treatment production line for bearings

Abstract

This invention discloses a heat treatment production line for bearings, specifically relating to the field of bearing heat treatment technology. It includes a guide rail, a tempering furnace on one side of the guide rail, a salt bath quenching furnace on one side of the tempering furnace, and a quenching heating furnace on one side of the salt bath quenching furnace. Through the coordinated use of these structures, during the quenching heating process at the bottom of the quenching heating furnace, a second motor drives a lead screw to rotate, which in turn drives a sliding plate to move. This, in conjunction with a clamping cylinder and chuck, sequentially passes the material from the bottom of the quenching heating furnace through the salt bath quenching furnace and the tempering furnace for heat treatment. Afterward, the clamping cylinder and chuck grip the material, facilitating continuous heat treatment and simultaneous grinding and material handling. This prevents oxide scale from adhering to the material during cooling after quenching and tempering, and also facilitates material transfer and handling.

Description

Technical Field

[0001] This invention relates to the field of bearing heat treatment technology, and more specifically, to a bearing heat treatment production line. Background Technology

[0002] Bearings are a common rotating component in modern mechanical equipment. The bearing ring is an important component of the bearing. The bearing ring needs to undergo a series of heat treatment processes to change its metallic properties to meet the requirements of the bearing.

[0003] Among them, the search revealed that the invention patent with patent application number CN202110785295.8 discloses a heat treatment production line for bearing components, including a quenching line and a tempering line. The quenching line is arranged in a straight line from left to right, including a feeding transition platform group, a pre-cleaning device, a quenching heating furnace, a salt bath quenching device, and a post-quenching air-cooling cleaning system. The tempering line is arranged in a straight line from right to left, including a cold cleaning device, a draining chamber, a drying chamber, a tempering furnace, a post-tempering air-cooling device, and a discharging transition platform group. A first track group is installed on the ground to the left of the quenching line and the tempering line, and a second track group is installed on the ground to the right of the quenching line and the tempering line. A lifting conveyor platform is installed on the first track group and the second track group respectively.

[0004] When in use, this structure is designed and arranged according to the heat treatment process of the bearing components, and is divided into two lines: quenching and tempering. The entire heat treatment process of the bearing components can be completed in one pass. However, when the bearing is quenched, tempered, cooled, and dried, oxide scale will be generated on the bearing surface due to the heating. This structure cannot remove the oxide scale during the quenching and tempering process, resulting in poor quenching and tempering effects. At the same time, when the material is cooled after quenching and tempering, the oxide scale adheres to the material, affecting the subsequent cooling effect. Summary of the Invention

[0005] The technical solution of this invention addresses the technical problems of existing technologies and provides a solution significantly different from those of existing technologies. To overcome the aforementioned deficiencies of existing technologies, this invention provides a heat treatment production line for bearings, aiming to solve the problems mentioned in the background section.

[0006] The present invention is implemented as follows, and the present invention provides the following technical solution: a heat treatment production line for bearings, including a guide rail, a tempering furnace is arranged on one side of the guide rail, a salt bath quenching furnace is arranged on one side of the tempering furnace, a quenching heating furnace is arranged on one side of the salt bath quenching furnace, and guide slopes are respectively arranged on both sides of the bottom of the tempering furnace, the salt bath quenching furnace and the quenching heating furnace, and a support processing component is respectively arranged at the bottom of each guide slope.

[0007] The support processing assembly includes a first support plate disposed at the bottom of the guide slope plate, a second support plate disposed on one side of the first support plate, and a mounting base disposed on one side of the second support plate;

[0008] Two rotating shafts for supporting the bearing are provided between the first support plate and the second support plate, and each of the rotating shafts is provided with a pulley at one end.

[0009] The support processing assembly also includes a pulley disposed on one side of the second support plate. The output end of the pulley and the top of the rotating shaft are provided with a first limiting pin for positioning the bearing. A first motor is disposed on the top side of the mounting base. The output end of the first motor and the pulley are both connected by belt drive.

[0010] The support processing assembly also includes a slide plate disposed on top of the guide rail and slidably connected to the guide rail. A second motor is disposed at one end of the guide rail, and a lead screw is disposed at the output end of the second motor. One end of the lead screw passes through the slide plate and extends to the end of the guide rail. The lead screw is threadedly connected to the slide plate. A slide rail frame is disposed on one side of the slide plate, and a third motor is slidably connected to the slide rail frame. A first hydraulic rod for driving the displacement of the third motor is disposed on one side of the slide rail frame. A second limiting pin is disposed at the output end of the third motor. An upper support plate is disposed at the top of the second limiting pin, and a second hydraulic rod is disposed at the bottom of the upper support plate. A limiting arc pressure plate for pressurizing the bearing is disposed at the output end of the second hydraulic rod. A telescopic cylinder is disposed on the slide plate, and an L-plate slidably connected to the slide plate is disposed at the output end of the telescopic cylinder. A clamping cylinder for picking up material is disposed on one side of the L-plate, and two chucks for clamping the bearing are disposed on the clamping cylinder.

[0011] The technical effects and advantages of this invention are as follows:

[0012] 1. In this invention, the second motor drives the lead screw to rotate, which in turn drives the slide plate to move along the guide rail and, due to the traction force when the lead screw rotates, it moves on the guide rail. The output end of the clamping cylinder retracts and drives the two clamps to move closer together to clamp the material. Then, the slide plate moves again on the guide rail to transfer the material to the bottom support processing component of the quenching heating furnace, where the quenching heating furnace first performs quenching heating.

[0013] 2. During the quenching and heating process of the material at the bottom of the quenching and heating furnace, the second motor drives the lead screw to rotate and drive the slide plate to move, and cooperates with the clamping cylinder and chuck to sequentially pass the material at the bottom of the quenching and heating furnace through the salt bath quenching furnace and the tempering furnace for heat treatment.

[0014] 3. The output end of the first motor of the present invention drives the pulley to rotate via a belt, which in turn causes the two rotating shafts to rotate. When the rotating shafts rotate, they rub against the material to polish the oxide scale on the material. At the same time, the first limiting pin is driven to move by the electric push rod. One end of the first limiting pin is inserted into the material to limit the material and ensure the stability of the material during the polishing process.

[0015] 4. In this invention, the second limiting pin is clamped on the material, and the limiting arc pressure plate moves downward to limit the material. The third motor drives the second limiting pin to rotate the material, so that the material rubs against the limiting arc pressure plate to grind the material. Then, the clamping cylinder and chuck clamp the material, which facilitates continuous heat treatment of the material and simultaneous grinding and material removal.

[0016] In summary, the overall design is simple and the structure is reasonable. Through the corresponding cooperation of various structures, during the quenching and heating of the material at the bottom of the quenching furnace, the second motor drives the lead screw to rotate and drive the slide plate to move. Together with the clamping cylinder and chuck, the material at the bottom of the quenching furnace is passed through the salt bath quenching furnace and the tempering furnace for heat treatment. At the same time, the rotating shaft rubs against the material, polishing the oxide scale on the material. The third motor drives the second limit pin to rotate the material, so that the material rubs against the limit arc pressure plate, polishing the material. After that, the clamping cylinder and chuck clamp the material, which facilitates continuous heat treatment of the material and simultaneous polishing and material handling. This avoids the oxide scale adhering to the material during cooling after quenching and tempering, and also facilitates the transfer and handling of the material. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this disclosure, the accompanying drawings used in some embodiments of this disclosure will be briefly described below. Obviously, the drawings described below are only drawings of some embodiments of this disclosure, and those skilled in the art can obtain other drawings based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of this disclosure.

[0018] Figure 1 This is a front view of the overall structure of the present invention.

[0019] Figure 2 This is a side view of the overall structure of the present invention.

[0020] Figure 3 This is a front view of the first support plate, the second support plate, the rotating shaft, and the first limiting pin of the present invention.

[0021] Figure 4 This is a front view of the slide rail frame, upper support plate, second limiting pin, and limiting arc pressure plate of the present invention.

[0022] Figure 5 This is a front view of the various structures on the skateboard of the present invention.

[0023] The attached diagram is labeled as follows: 1. Guide rail; 2. Tempering furnace; 3. Salt bath quenching furnace; 4. Guide slope plate; 5. Quenching heating furnace; 6. First support plate; 7. Second support plate; 8. Mounting base; 9. First motor; 10. Electric push rod; 11. Rotating shaft rod; 12. Pulley; 13. First limit pin; 14. Slide plate; 15. Second motor; 16. Lead screw; 17. Slide rail frame; 18. First hydraulic rod; 19. Third motor; 20. Second limit pin; 21. Upper support plate; 22. Second hydraulic rod; 23. Limiting arc pressure plate; 24. Telescopic cylinder; 25. L-plate; 26. Clamping cylinder; 27. Chuck. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] In the embodiments, as shown in the appendix Figure 1-5 The heat treatment production line for bearings shown can treat the oxide scale generated during the heat treatment of bearings through the side of the guide rail 1 and the support treatment components at the bottom of each guide slope plate 4. This prevents the oxide scale from adhering to the material when it is cooled after quenching and tempering, and also facilitates the transfer and handling of the material. The specific structural settings of the components are as follows.

[0026] The support assembly includes a first support plate 6 disposed at the bottom of the guide slope plate 4, a second support plate 7 disposed on one side of the first support plate 6, and a mounting base 8 disposed on one side of the second support plate 7.

[0027] Two rotating shafts 11 for supporting the bearing are provided between the first support plate 6 and the second support plate 7, and each rotating shaft 11 is provided with a pulley 12 at one end.

[0028] The support processing assembly also includes a pulley 12 disposed on one side of the second support plate 7. The output end of the pulley 12 and the top of the rotating shaft 11 are provided with a first limiting pin 13 for positioning the bearing. A first motor 9 is disposed on one side of the top of the mounting base 8. The output end of the first motor 9 and the pulley 12 are both connected by belt drive.

[0029] The support assembly also includes a slide plate 14 disposed on top of the guide rail 1 and slidably connected to the guide rail 1. A second motor 15 is disposed at one end of the guide rail 1, and a lead screw 16 is disposed at the output end of the second motor 15. One end of the lead screw 16 passes through the slide plate 14 and extends to the end of the guide rail 1. The lead screw 16 is threadedly connected to the slide plate 14. A slide rail frame 17 is disposed on one side of the slide plate 14, and a third motor 19 is slidably connected to the slide rail frame 17. A first hydraulic rod 18 for driving the displacement of the third motor 19 is disposed on one side of the slide rail frame 17. The output end of 19 is provided with a second limiting pin 20. The top of the second limiting pin 20 is provided with an upper support plate 21. The bottom of the upper support plate 21 is provided with a second hydraulic rod 22. The output end of the second hydraulic rod 22 is provided with a limiting arc pressure plate 23 for pressurizing the bearing. The slide plate 14 is provided with a telescopic cylinder 24. The output end of the telescopic cylinder 24 is provided with an L plate 25 that is slidably connected to the slide plate 14. A clamping cylinder for picking up material is provided on one side of the L plate 25. The clamping cylinder is provided with two chucks 27 for clamping the bearing.

[0030] According to the above structure, when in use, the staff installs the device in the designated position. When heat treating the material, the second motor 15 drives the lead screw 16 to rotate, which drives the slide plate 14 to move on the guide rail 1 through the guide rail 1 and due to the traction force when the lead screw 16 rotates.

[0031] Then, the telescopic cylinder 24 drives the various structures on the L plate 25 to move upward, and the output end of the clamping cylinder retracts and drives the two clamps 27 to move closer to each other to clamp the material. Then, the slide plate 14 moves again on the guide rail 1 to transfer the material to the bottom support processing component of the quenching heating furnace 5, where the quenching heating furnace 5 first performs quenching heating.

[0032] Then, the second motor 15 drives the lead screw 16 to rotate and drive the slide plate 14 to move, and cooperates with the clamping cylinder and chuck 27 to heat treat the material at the bottom of the quenching heating furnace 5 through the salt bath quenching furnace 3 and the tempering furnace 2 in sequence.

[0033] Furthermore, when the material is heat-treated in the quenching furnace 5, the salt bath quenching furnace 3, and the tempering furnace 2, the first motor 9 is started. The output end of the first motor 9 drives the pulley 12 to rotate via a belt, which in turn causes the two rotating shafts 11 to rotate. When the rotating shafts 11 rotate, they rub against the material to polish the oxide scale on the material. At the same time, the electric push rod 10 is started to drive the first limiting pin 13 to move. One end of the first limiting pin 13 is inserted into the material to limit the material and ensure the stability of the material during the polishing process.

[0034] Furthermore, the first hydraulic rod 18 is activated, driving the third motor 19 to move and causing the second limiting pin 20 to be locked onto the material. Then, the second hydraulic rod 22 is activated, driving the limiting arc plate 23 to move downward to limit the material. After that, the third motor 19 drives the second limiting pin 20 to rotate the material, causing the material to rub against the limiting arc plate 23 and polish the material. Then, the clamping cylinder and the chuck 27 clamp the material, which facilitates continuous heat treatment of the material and simultaneous polishing and material removal.

[0035] Unlike existing technologies, this application discloses a bearing heat treatment production line. Through the corresponding cooperation of various structures, during the quenching and heating of materials at the bottom of the quenching furnace 5, the second motor 15 drives the lead screw 16 to rotate, driving the slide plate 14 to move and cooperating with the clamping cylinder and chuck 27 to sequentially pass the materials at the bottom of the quenching furnace 5 through the salt bath quenching furnace 3 and the tempering furnace 2 for heat treatment. At the same time, the rotating shaft 11 rubs against the materials when it rotates, polishing the oxide scale on the materials. The third motor 19 drives the second limiting pin 20 to rotate the materials, causing the materials to rub against the limiting arc pressure plate 23, polishing the materials. Afterwards, the clamping cylinder and chuck 27 clamp the materials, which facilitates continuous heat treatment of materials and simultaneous polishing and material handling. This avoids oxide scale adhering to the materials when they cool after quenching and tempering, and also facilitates material transfer and handling.

[0036] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A heat treatment production line for bearings, characterized in that: The system includes a guide rail (1), a tempering furnace (2) is provided on one side of the guide rail (1), a salt bath quenching furnace (3) is provided on one side of the tempering furnace (2), a quenching heating furnace (5) is provided on one side of the salt bath quenching furnace (3), and a flow guide slope (4) is provided on both sides of the bottom of the tempering furnace (2), the salt bath quenching furnace (3) and the quenching heating furnace (5), and a support processing component is provided at the bottom of each flow guide slope (4). The support processing assembly includes a first support plate (6) disposed at the bottom of the guide slope plate (4), a second support plate (7) disposed on one side of the first support plate (6), and a mounting base (8) disposed on one side of the second support plate (7). Two rotating shafts (11) for supporting the bearing are provided between the first support plate (6) and the second support plate (7), and each of the rotating shafts (11) is provided with a pulley (12) at one end. The support processing assembly also includes a slide plate (14) disposed on the top of the guide rail (1) and slidably connected to the guide rail (1), and a second motor (15) is provided at one end of the guide rail (1). The output end of the second motor (15) is provided with a lead screw (16), one end of which passes through the slide plate (14) and extends to the end of the guide rail (1). The lead screw (16) is threadedly connected to the slide plate (14).

2. The bearing heat treatment production line according to claim 1, characterized in that: The pulley (12) is located on one side of the second support plate (7), and the output end of the pulley (12) and the top of the rotating shaft (11) are provided with a first limiting pin (13) for positioning the bearing.

3. The bearing heat treatment production line according to claim 1, characterized in that: A first motor (9) is provided on one side of the top of the mounting base (8), and the output end of the first motor (9) and the pulley (12) are connected by belt drive.

4. The bearing heat treatment production line according to claim 1, characterized in that: A slide rail frame (17) is provided on one side of the slide plate (14), and a third motor (19) is slidably connected on the slide rail frame (17). A first hydraulic rod (18) for driving the displacement of the third motor (19) is provided on one side of the slide rail frame (17).

5. A bearing heat treatment production line according to claim 4, characterized in that: The output end of the third motor (19) is provided with a second limiting pin (20), and the top of the second limiting pin (20) is provided with an upper support plate (21).

6. A bearing heat treatment production line according to claim 5, characterized in that: The bottom of the upper support plate (21) is provided with a second hydraulic rod (22), and the output end of the second hydraulic rod (22) is provided with a limiting arc pressure plate (23) for pressurizing the bearing.

7. A bearing heat treatment production line according to claim 4, characterized in that: The slide plate (14) is provided with a telescopic cylinder (24), and the output end of the telescopic cylinder (24) is provided with an L plate (25) that is slidably connected to the slide plate (14). A clamping cylinder for picking up materials is provided on one side of the L plate (25), and two chucks (27) for clamping the bearing are provided on the clamping cylinder.

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