Quenching device for self-aligning roller bearing ring

Abstract

The utility model relates to the technical field of quenching of bearing rings, and discloses a quenching device of a self-aligning roller bearing ring, which comprises a quenching chamber and two rotating rods, the front end wall of the quenching chamber is provided with an operation groove, and a quenching box is slidably mounted in the operation groove; a driving box is installed on the right portion in the quenching box, a second driving motor is installed on the front portion in the driving box, the right ends of the rotating rods penetrate through the driving box to be communicated with the interior and are provided with connecting shafts, belt wheels are arranged on the connecting shafts, and belts are arranged on the belt wheels; by unscrewing a limiting ring, placing the bearing rings on a placing seat and then screwing the limiting ring, fixing of the bearing rings of different models can be achieved, after fixing of the bearing rings is completed, a second driving motor is started, a connecting shaft is driven to rotate through a motor shaft, a belt is driven to rotate through a belt wheel, and therefore two rotating rods are driven to rotate; the bearing ring is driven to rotate, uniform heating of the bearing ring is guaranteed, deformation or cracks of the bearing ring are prevented, and the overall performance and the service life of the bearing are not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing ring quenching, in particular to a quenching device for a spherical roller bearing ring. Background Technique

[0002] Due to its structural characteristics, the spherical roller bearing can automatically align, so it is widely used in machinery that bears heavy loads and impact loads. In order to improve the performance of the bearing, the quenching process of the ring is particularly crucial; the quenching device for the spherical roller bearing ring in the prior art directly places the bearing ring into the quenching tank for operation. Since there is no rotating structure, the bearing ring is unevenly heated. Uneven quenching may cause the ring to deform or crack, affecting the overall performance and service life of the bearing. Moreover, the temperature of the quenching tank is very high after quenching, and it is easy to burn the hand when pulling it by hand, resulting in a large potential safety hazard. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a quenching device for a spherical roller bearing ring, which has the advantages of uniform heating, etc., and solves the problems put forward in the background technique.

[0004] To achieve the above purpose of uniform heating, the utility model provides the following technical solution: a quenching device for a spherical roller bearing ring, including a quenching chamber and two rotating rods. A working groove is arranged on the front end wall of the quenching chamber, and a quenching tank is slidably installed inside the working groove;

[0005] A driving box is installed in the right part of the quenching tank. A second driving motor is installed in the front part of the driving box. The right ends of the rotating rods all penetrate through the driving box and communicate with the inside and are installed with connecting shafts. Belt pulleys are arranged on the connecting shafts, a belt is arranged on the belt pulleys, and the front connecting shaft is connected with the second driving motor through a motor shaft. A plurality of placing seats are arranged on the outer side walls of the rotating rods, and limiting rings are connected to the placing seats through threads.

[0006] As a further scheme of the utility model: a driving seat is installed at the lower end of the working groove. A first driving motor is installed in the rear part of the driving seat. The first driving motor is installed with a ball screw through a motor shaft. A screw slider is drivingly installed on the ball screw. Connecting frames are installed at both ends of the screw slider. The upper ends of the connecting frames all penetrate through the connecting grooves and are fixedly connected with the bottom of the quenching tank. Starting the first driving motor, driving the ball screw to rotate through the motor shaft, driving the screw slider to move forward, driving the two connecting frames to move forward, thereby driving the quenching tank to move forward, replacing manual pulling, avoiding hand burns, and preventing potential safety hazards.

[0007] As a further solution of the utility model: limit blocks are arranged on both sides of the lower end of the quenching box, grooves are arranged on both sides of the bottom of the working tank, and the limit blocks are slidably connected in the grooves, and the limit blocks slide in the grooves for limiting.

[0008] As a further solution of the utility model: a storage rack is installed at the lower end of the quenching chamber, and three partition plates are arranged inside the storage rack. Tools can be placed on the storage rack for easy access.

[0009] As a further solution of the utility model: a PLC control panel is installed on the right part of the front wall of the quenching chamber, and the output ends of the PLC control panel are electrically connected to the input ends of the quenching chamber, the first driving motor and the second driving motor to realize automatic control operation.

[0010] As a further solution of the utility model: a temperature display is arranged on the left part of the front wall of the quenching chamber, and the temperature display is communicated with the inside of the working tank. The temperature display can monitor the temperature in the working tank.

[0011] As a further solution of the utility model: box doors are hinged on both side walls of the working tank, and the box doors protect the working tank.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, when the first driving motor is started, the ball screw is driven to rotate through the motor shaft, the screw slider is driven to move forward, the two connecting frames are driven to move forward, and thus the quenching box is driven to move forward, replacing manual pulling, avoiding hand burns and preventing potential safety hazards.

[0014] 2. In the utility model, by unscrewing the limit ring, the bearing race is placed on the placing seat, and then the limit ring is screwed in, the fixation of bearing races of different models can be realized. When the fixation of the bearing race is completed, the second driving motor is started, the connecting shaft is driven to rotate through the motor shaft, the belt is driven to rotate through the belt pulley, and thus the two rotating rods are driven to rotate, driving the bearing race to rotate, ensuring uniform heating of the bearing race, preventing the race from deforming or cracking, and not affecting the overall performance and service life of the bearing. Description of the Drawings

[0015] Figure 1 It is the external view schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the utility model;

[0017] Figure 3 It is the structural schematic diagram of the rotating rod in the utility model;

[0018] Figure 4 Schematic diagram of the bottom of the quenching tank in the present utility model;

[0019] Figure 5 Schematic diagram of the structure of the quenching tank in the present utility model;

[0020] Figure 6 In the present utility model Figure 3 Enlarged schematic diagram of position A.

[0021] In the figure: 1, quenching chamber; 2, storage rack; 3, temperature display; 4, PLC control panel; 5, box door; 6, working tank; 7, driving seat; 8, first driving motor; 9, screw slider; 10, ball screw; 11, connecting frame; 12, rotating rod; 13, belt; 14, second driving motor; 15, limiting ring; 16, placing seat; 17, quenching tank; 18, driving box; 19, limiting block. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] It should be noted that the quenching chamber 1, the first driving motor 8 and the second driving motor 14 are all prior arts and are common knowledge for those skilled in the art, so no further description will be given here.

[0024] Please refer to Figures 1 to 6 , in the embodiment of the present utility model, the quenching device for the spherical roller bearing ring includes a quenching chamber 1 and two rotating rods 12. A working tank 6 is provided on the front end wall of the quenching chamber 1, and a quenching tank 17 is slidably installed inside the working tank 6;

[0025] A driving box 18 is installed in the right part of the quenching tank 17. A second driving motor 14 is installed in the front part of the driving box 18. The right ends of the rotating rods 12 all pass through the driving box 18 and communicate with the inside, and a connecting shaft is installed. Belt wheels are provided on the connecting shafts, and a belt 13 is provided on the belt wheels. The front connecting shaft is connected to the second driving motor 14 through a motor shaft. A plurality of placing seats 16 are provided on the outer side walls of the rotating rods 12, and limiting rings 15 are connected to the placing seats 16 through threads.

[0026] A driving seat 7 is installed at the lower end of the working slot 6. A first driving motor 8 is installed at the rear part inside the driving seat 7. A ball screw 10 is installed on the motor shaft of the first driving motor 8. A screw slider 9 is installed on the ball screw 10 in a driving manner. Connecting frames 11 are installed at both ends of the screw slider 9. The upper ends of the connecting frames 11 pass through the connecting slots and are fixedly connected to the bottom of the quenching tank 17. When the first driving motor 8 is started, the ball screw 10 is driven to rotate through the motor shaft, the screw slider 9 is driven to move forward, and the two connecting frames 11 are driven to move forward, thereby driving the quenching tank 17 to move forward, replacing manual pulling, avoiding hand burns, and preventing potential safety hazards. Limiting blocks 19 are arranged on both sides at the lower end of the quenching tank 17. Grooves are arranged on both sides at the bottom of the working slot 6. The limiting blocks 19 are slidably connected in the grooves, and the limiting blocks 19 slide in the grooves for limiting. A storage rack 2 is installed at the lower end of the quenching chamber 1. Three partition plates are arranged inside the storage rack 2. Tools can be placed on the storage rack 2 for easy access. A PLC control panel 4 is installed at the right part of the front wall of the quenching chamber 1. The output ends of the PLC control panel 4 are electrically connected to the input ends of the quenching chamber 1, the first driving motor 8, and the second driving motor 14 to realize automated control operations. A temperature display 3 is arranged at the left part of the front wall of the quenching chamber 1. The temperature display 3 communicates with the inside of the working slot 6, and the temperature display 3 can monitor the temperature inside the working slot 6. Door panels 5 are hinged to both side walls of the working slot 6, and the door panels 5 protect the working slot 6.

[0027] The working principle of the present utility model is as follows: Open the two door panels 5, operate on the PLC control panel 4, start the first driving motor 8, drive the ball screw 10 to rotate through the motor shaft, drive the screw slider 9 to move forward, drive the two connecting frames 11 to move forward, thereby driving the quenching tank 17 to move forward. Unscrew the limiting ring 15, place the bearing ring on the placing seat 16, and then screw the limiting ring 15 back on to fix bearing rings of different models. When the fixing of the bearing ring is completed, start the second driving motor 14, drive the connecting shaft to rotate through the motor shaft, drive the belt 13 to rotate through the belt pulley, thereby driving the two rotating rods 12 to rotate and driving the bearing ring to rotate. The first driving motor 8 drives the quenching tank 17 to return to its original position. Close the two door panels 5. The quenching chamber 1 performs quenching operations on the bearing ring, so that the bearing ring is heated in all directions and the bearing ring is heated evenly, saving operation time and improving efficiency. The temperature inside the working slot 6 can be monitored through the temperature display 3, and tools can be placed on the storage rack 2 for easy access.

[0028] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A quenching device for a spherical roller bearing ring, comprising a quenching chamber (1) and two rotating rods (12), wherein a front end wall of the quenching chamber (1) is provided with an operating groove (6), and a quenching box (17) is slidably mounted inside the operating groove (6); Features: A drive box (18) is installed in the right part of the quenching box (17), and a second drive motor (14) is installed in the front part of the drive box (18). The right ends of the rotating rods (12) pass through the drive box (18) to communicate with the interior and are installed with connecting shafts. The connecting shafts are provided with pulleys, and the pulleys are provided with belts (13). The connecting shafts are connected to the second drive motor (14) through the motor shaft. The outer side walls of the rotating rods (12) are provided with a plurality of placement seats (16), and the placement seats (16) are connected to the limiting rings (15) through threads.

2. The quenching device for a spherical roller bearing ring according to claim 1, characterized in that: A drive seat (7) is installed at the lower end of the working groove (6), and a first drive motor (8) is installed at the rear of the drive seat (7). The first drive motor (8) is installed with a ball screw (10) through the motor shaft, and a screw slide (9) is installed on the ball screw (10). Connecting frames (11) are installed at both ends of the screw slide (9), and the upper ends of the connecting frames (11) pass through the connecting grooves and are fixedly connected to the bottom of the quenching box (17).

3. The quenching device for a spherical roller bearing ring according to claim 1, characterized in that: Limit blocks (19) are provided on both sides of the lower end of the quenching box (17), and grooves are provided on both sides of the bottom of the working groove (6), and the limit blocks (19) are slidably connected in the grooves.

4. The quenching device for a spherical roller bearing ring according to claim 1, characterized in that: A storage rack (2) is installed at the lower end of the quenching chamber (1), and three partitions are arranged inside the storage rack (2).

5. The quenching device for a spherical roller bearing ring according to claim 1, characterized in that: A PLC control panel (4) is installed on the right part of the front end wall of the quenching chamber (1), and the output end of the PLC control panel (4) is electrically connected to the input ends of the quenching chamber (1), the first drive motor (8) and the second drive motor (14).

6. The quenching device for a spherical roller bearing ring according to claim 1, characterized in that: A temperature display (3) is provided on the left side of the front end wall of the quenching chamber (1), and the temperature display (3) is connected to the interior of the working tank (6).

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