Quenching induction device for slewing bearing ferrule

Abstract

The utility model belongs to the technical field of slewing bearings, and particularly relates to a slewing bearing ferrule quenching induction device which comprises a quenching box, an induction heating chamber is fixedly connected to the top of the quenching box, a portal frame is fixedly connected to the top of the induction heating chamber, inductors are fixedly connected to the inner walls of the two sides of the induction heating chamber, and the portal frame is fixedly connected to the inner walls of the two sides of the induction heating chamber. And a circulating quenching assembly is arranged on the quenching box. The clamping device is reasonable in structural design, the four clamping rods and the supporting plate are close to each other or far away from each other, the distance between the four clamping rods can be adjusted, slewing bearing ferrules of different sizes can be clamped, fixed and supported conveniently, fixing of the slewing bearing ferrules is more convenient and efficient, meanwhile, the universality of the clamping device is improved, and the clamping device is suitable for popularization and application. And the quenching liquid can be directly refrigerated through the refrigerating machine, and the flowing cold quenching liquid can be circularly and continuously provided, so that the cooling and quenching effects on the slewing bearing ferrule are greatly improved, and meanwhile, the waste of the quenching liquid is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of slewing bearings, in particular to a quenching induction device for a slewing bearing ring. Background Art

[0002] Slewing bearings are widely used in modern industry. They are called "machine joints" and are important transmission components required for machines that need to rotate relative to each other and withstand axial force, radial force, and tipping moment. With the rapid development of the machinery industry, slewing bearings have been widely used in ship equipment, engineering machinery, light industrial machinery, metallurgical machinery, medical machinery, industrial machinery and other industries. In order to make the slewing bearings have higher strength and better stress resistance, it is necessary to quench the slewing bearings.

[0003] After searching: Chinese patent number CN217459521U is a manufacturing device for dual-frequency induction quenching of slewing bearing gears, including a top frame, a movable plate is arranged under the top frame, and sliding rods are arranged around the movable plate, a grating scale is arranged on one side of the sliding rod, and a positioner is arranged on one side of the grating scale, a rotating column is arranged in the middle of the movable plate, and temperature measuring heads are arranged on both sides of the rotating column, and a workpiece is arranged at the lower end of the rotating column.

[0004] However, the above-mentioned slewing bearing ring quenching induction device still has some shortcomings. First, there is no structure for fixing the slewing bearing ring on the rotating column, which makes the fixing of the slewing bearing ring more troublesome and inconvenient, and is not conducive to fixing slewing bearing rings of different sizes, which reduces the versatility of the device. In addition, the quenching liquid in the heat dissipation pipe is dissipated by non-contact, resulting in poor cooling effect, thereby reducing the quenching effect. Therefore, we propose a slewing bearing ring quenching induction device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the above-mentioned shortcomings and proposes a quenching induction device for a slewing bearing ring.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A slewing bearing ring quenching induction device comprises a quenching box, the top of the quenching box is fixedly connected to an induction heating chamber, the top of the induction heating chamber is fixedly connected to a gantry, both inner walls of the induction heating chamber are fixedly connected to sensors, a circulating quenching assembly is provided on the quenching box, the top of the gantry is fixedly connected to a cylinder, the output shaft of the cylinder is fixedly connected to a driving motor, both sides of the driving motor are fixedly connected to temperature measuring heads, the output shaft of the driving motor is fixedly connected to a rotating shaft, the bottom end of the rotating shaft is fixedly connected to a fixed disk, and a ring fixing assembly is provided on the fixed disk.

[0008] Preferably, the ring fixing assembly includes threaded rods rotatably connected to the inner walls around the fixed plate, the ends of the four threaded rods close to each other are fixedly connected to bevel gears, two adjacent bevel gears are meshed, and the outer sides of the four threaded rods are threadedly sleeved with movable plates, and the bottoms of the movable plates are fixedly connected to clamping rods.

[0009] Preferably, outer sides of the four clamping rods are fixedly connected with support plates.

[0010] Preferably, one end of one of the four threaded rods is fixedly connected to a hand wheel.

[0011] Preferably, four long holes are opened at the bottom of the fixed plate, and the four movable plates are slidably mounted in the corresponding long holes respectively.

[0012] Preferably, the circulating quenching assembly includes a cooling chamber opened in the quenching box and a circulating pump fixedly connected to one side of the quenching box, a refrigerator is fixedly connected to the bottom inner wall of the cooling chamber, the circulating pump is connected to the inner wall of one side of the cooling chamber, a cooling water pipe is fixedly connected between the circulating pump and one side of the quenching box, and the inner wall on the other side of the cooling chamber is connected to the other side of the quenching box.

[0013] Preferably, the inner wall on the other side of the cooling chamber and the other side of the quenching box are fixedly connected by a same reflux pipe.

[0014] Preferably, both sides of the driving motor are fixedly connected with fixing rods, and the two temperature measuring heads are respectively fixedly connected to the bottom ends of the corresponding fixing rods.

[0015] In the utility model, a quenching induction device for a slewing bearing ring is described. By rotating the threaded rod with a hand wheel, the four threaded rods are driven to rotate under the transmission of four bevel gears. The four threaded rods drive the four movable plates and the clamping rods to move closer to or farther away from each other, and then the spacing between the four clamping rods can be adjusted so that slewing bearing rings of different sizes can be clamped and fixed on the outside of the four clamping rods. At the same time, the slewing bearing ring can be supported by the setting of the support plate to avoid the slewing bearing ring from falling off, thereby ensuring the stability of the clamping.

[0016] In the utility model, a slewing bearing ring quenching induction device is described. The slewing bearing ring is driven by a cylinder to move down into an induction heating chamber. The slewing bearing ring can be heated by four sensors. At the same time, the driving motor drives the slewing bearing ring to rotate, thereby improving the uniformity of heating the slewing bearing ring. The temperature is detected by a temperature measuring head. When the temperature of the slewing bearing ring reaches the quenching temperature, the cylinder is started again and drives the slewing bearing ring to move down and extend into the quenching box. The water in the cooling chamber can be directly refrigerated by a refrigerator. The quenched quenching liquid is pumped into the cooling water pipe by a circulating pump and finally flows into the quenching box. The slewing bearing ring can be efficiently cooled and quenched by the cold quenching liquid flowing in the quenching box. The cold quenching liquid absorbs heat and rises in temperature, and flows into the cooling chamber again from the reflux pipe for refrigeration use. The quenching liquid can be recycled to avoid waste of the quenching liquid.

[0017] The utility model has a reasonable structural design. By moving the four clamping rods and the support plate closer to or farther away from each other, the spacing between the four clamping rods can be adjusted so that slewing bearing rings of different sizes can be clamped, fixed and supported, making the fixation of the slewing bearing ring more convenient and efficient, while improving the versatility of the device, and the quenching liquid can be directly cooled by the refrigerator, and the flowing cold quenching liquid can be circulated and continuously provided, which greatly improves the cooling and quenching effect of the slewing bearing ring and avoids the waste of quenching liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a slewing bearing ring quenching induction device proposed by the utility model;

[0019] Figure 2 This is a cross-sectional view of a quenching induction device for a slewing bearing ring proposed by the utility model;

[0020] Figure 3 for Figure 2 Schematic diagram of the structure of part A.

[0021] In the figure: 1. quenching box; 2. induction heating chamber; 3. reflux pipe; 4. sensor; 5. temperature measuring head; 6. gantry; 7. cylinder; 8. drive motor; 9. rotating shaft; 10. fixed plate; 11. fixed rod; 12. cold water pipe; 13. circulating pump; 14. cooling chamber; 15. refrigerator; 16. hand wheel; 17. threaded rod; 18. moving plate; 19. bevel gear; 20. long hole; 21. clamping rod; 22. support plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-3 A slewing bearing ring quenching induction device comprises a quenching box 1, an induction heating chamber 2 is fixedly connected to the top of the quenching box 1, a gantry 6 is fixedly connected to the top of the induction heating chamber 2, sensors 4 are fixedly connected to the inner walls on both sides of the induction heating chamber 2, a circulating quenching assembly is arranged on the quenching box 1, a cylinder 7 is fixedly connected to the top of the gantry 6, a driving motor 8 is fixedly connected to the output shaft of the cylinder 7, temperature measuring heads 5 are fixedly connected to both sides of the driving motor 8, a rotating shaft 9 is fixedly connected to the output shaft of the driving motor 8, a fixed disk 10 is fixedly connected to the bottom end of the rotating shaft 9, and a ring fixing assembly is arranged on the fixed disk 10.

[0024] In the utility model, the ring fixing assembly includes a threaded rod 17 rotatably connected to the inner walls around the fixed plate 10, and the ends of the four threaded rods 17 close to each other are fixedly connected to the bevel gears 19, and the two adjacent bevel gears 19 are meshed with each other. The outer sides of the four threaded rods 17 are threadedly sleeved with movable plates 18, and the bottoms of the movable plates 18 are fixedly connected to clamping rods 21. The slewing support ring workpiece is placed on the outer sides of the four clamping rods 21, and the threaded rods 17 are rotated by the hand wheel 16. Under the transmission of the four bevel gears 19, the rotation of the four threaded rods 17 is driven, and the four threaded rods 17 drive the four movable plates 18 and the clamping rods 21 to approach or move away from each other, so that the spacing between the four clamping rods 21 can be adjusted so that workpieces of different sizes can be clamped and fixed on the outer sides of the four clamping rods 21.

[0025] In the utility model, the outer sides of the four clamping rods 21 are fixedly connected with support plates 22. The support plates 22 can support the workpiece to avoid the slewing bearing ring from falling off, thereby ensuring the stability of the clamping.

[0026] In the utility model, one end of one of the four threaded rods 17 is fixedly connected to a hand wheel 16 to facilitate the rotation of the threaded rod 17 .

[0027] In the present invention, four long holes 20 are opened at the bottom of the fixed plate 10, and the four movable plates 18 are slidably mounted in the corresponding long holes 20, so as to guide the movable plates 18 and the clamping rods 21 and make their movement more stable and smooth.

[0028] In the utility model, the circulating quenching assembly includes a cooling chamber 14 opened in the quenching box 1 and a circulating pump 13 fixedly connected to one side of the quenching box 1. A refrigerator 15 is fixedly connected to the inner wall of the bottom of the cooling chamber 14. The circulating pump 13 is connected to the inner wall of one side of the cooling chamber 14. A cooling water pipe 12 is fixedly connected between the circulating pump 13 and one side of the quenching box 1. The inner wall of the other side of the cooling chamber 14 is connected to the other side of the quenching box 1. The inner wall of the other side of the cooling chamber 14 is connected to the other side of the quenching box 1. There is a same reflux pipe 3 fixedly connected between them, and the water in the cooling chamber 14 can be directly refrigerated through the refrigerator 15. The refrigerated quenching liquid is pumped into the cooling water pipe 12 by the circulating pump 13, and finally flows into the quenching box 1. The cold quenching liquid flowing in the quenching box 1 can efficiently cool and quench the slewing bearing ring, and the cold quenching liquid absorbs heat and rises in temperature, and flows into the cooling chamber 14 again through the reflux pipe 3 for refrigeration use, so that the quenching liquid can be recycled to avoid the waste of quenching liquid.

[0029] In the utility model, both sides of the driving motor 8 are fixedly connected with fixing rods 11, and the two temperature measuring heads 5 are respectively fixedly connected to the bottom ends of the corresponding fixing rods 11, so as to facilitate the installation and fixation of the temperature measuring heads 5.

[0030] In the utility model, when in use, the slewing bearing ring workpiece is placed on the outside of the four clamping rods 21, and the threaded rod 17 is rotated by the hand wheel 16. Under the transmission of the four bevel gears 19, the four threaded rods 17 are driven to rotate, and the four threaded rods 17 drive the four movable plates 18 and the clamping rods 21 to approach or move away from each other, so that the spacing between the four clamping rods 21 can be adjusted, so that workpieces of different sizes can be clamped and fixed on the outside of the four clamping rods 21. At the same time, the support plate 22 is provided to support the workpiece to avoid the slewing bearing ring from falling, thereby ensuring the stability of the clamping. The driving motor 8, the fixed plate 10 and the workpiece are driven by the cylinder 7 to move down into the induction heating chamber 2. At this time, the slewing bearing ring can be moved by the four sensors 4. Heating, while driving the motor 8 to drive the rotation of the rotating shaft 9, the fixed disk 10 and the slewing bearing ring, thereby improving the uniformity of the heating of the slewing bearing ring, using the temperature measuring head 5 to detect the temperature, when the temperature of the slewing bearing ring reaches the quenching temperature, the cylinder 7 is started again and drives the slewing bearing ring to move down and extend into the quenching box 1, at this time, the water in the cooling chamber 14 can be directly refrigerated by the refrigerator 15, and the quenched quenching liquid is pumped into the cold water pipe 12 by the circulating pump 13, and finally flows into the quenching box 1, and the slewing bearing ring can be efficiently cooled and quenched by the cold quenching liquid flowing in the quenching box 1, and the cold quenching liquid absorbs heat and heats up, and flows into the cooling chamber 14 again from the reflux pipe 3 for refrigeration, and then the quenching liquid can be recycled to avoid the waste of quenching liquid.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slewing bearing ring quenching induction device, characterized in that: The invention comprises a quenching box (1), wherein the top of the quenching box (1) is fixedly connected to an induction heating chamber (2), the top of the induction heating chamber (2) is fixedly connected to a gantry (6), the inner walls on both sides of the induction heating chamber (2) are fixedly connected to sensors (4), the quenching box (1) is provided with a circulating quenching assembly, the top of the gantry (6) is fixedly connected to a cylinder (7), the output shaft of the cylinder (7) is fixedly connected to a driving motor (8), both sides of the driving motor (8) are fixedly connected to temperature measuring heads (5), the output shaft of the driving motor (8) is fixedly connected to a rotating shaft (9), the bottom end of the rotating shaft (9) is fixedly connected to a fixing plate (10), and a ring fixing assembly is provided on the fixing plate (10).

2. A slewing bearing ring quenching induction device according to claim 1, characterized in that: The ferrule fixing assembly comprises threaded rods (17) rotatably connected to the inner walls around the fixing plate (10); the ends of the four threaded rods (17) close to each other are fixedly connected to bevel gears (19); two adjacent bevel gears (19) are meshed with each other; the outer sides of the four threaded rods (17) are threadedly sleeved with movable plates (18); the bottoms of the movable plates (18) are fixedly connected to clamping rods (21).

3. A slewing bearing ring quenching induction device according to claim 2, characterized in that: The outer sides of the four clamping rods (21) are all fixedly connected with support plates (22).

4. A slewing bearing ring quenching induction device according to claim 2, characterized in that: One end of one of the four threaded rods (17) is fixedly connected to a hand wheel (16).

5. A slewing bearing ring quenching induction device according to claim 2, characterized in that: The bottom of the fixed plate (10) is provided with four long holes (20), and the four movable plates (18) are respectively slidably mounted in the corresponding long holes (20).

6. A slewing bearing ring quenching induction device according to claim 1, characterized in that: The circulating quenching assembly comprises a cooling chamber (14) opened in the quenching box (1) and a circulating pump (13) fixedly connected to one side of the quenching box (1); a refrigerator (15) is fixedly connected to the inner wall of the bottom of the cooling chamber (14); the circulating pump (13) is connected to the inner wall of one side of the cooling chamber (14); a cooling water pipe (12) is fixedly connected between the circulating pump (13) and one side of the quenching box (1); and the inner wall of the other side of the cooling chamber (14) is connected to the other side of the quenching box (1).

7. A slewing bearing ring quenching induction device according to claim 6, characterized in that: The inner wall on the other side of the cooling chamber (14) and the other side of the quenching box (1) are fixedly connected via a same reflux pipe (3).

8. A slewing bearing ring quenching induction device according to claim 1, characterized in that: Both sides of the driving motor (8) are fixedly connected with fixing rods (11), and the two temperature measuring heads (5) are respectively fixedly connected to the bottom ends of the corresponding fixing rods (11).

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