Quenching device for metal balls in slewing bearing

Abstract

The utility model discloses a quenching device for a metal ball in a slewing bearing, which comprises a quenching hopper, a control panel is arranged on the outer wall of the quenching hopper, a medium-frequency induction heating coil is arranged at the lower part of the inner side of the quenching hopper, and the bottom end of the quenching hopper is fixedly connected with a blanking channel. A supporting plate is hinged to the end, close to the inner wall of the control panel, of the quenching hopper, the other end of the inner wall of the quenching hopper is movably connected with the supporting plate, and a cooling cavity is formed in the supporting plate. According to the slewing bearing metal ball quenching device, uniform heating before quenching is achieved through the medium-frequency induction heating coil, the temperature of the supporting plate is kept stable through the water pump, the cooling cavity, the heat conduction plate and the heat conduction rod so that the quenching temperature can be accurately controlled, and the supporting plate is driven to incline through the first hydraulic rod during discharging; and the balls slide down along the supporting plate and the discharging channel, so that the consistency and stability of quenching quality are improved, the labor intensity is reduced, and the discharging efficiency and the overall production efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of metal ball bearing processing technology, and in particular to a quenching device for metal balls in a slewing bearing. Background Technology

[0002] Slewing bearings are key components in various types of engineering machinery, metallurgical machinery, and other equipment, and their performance directly affects the overall operation of the equipment. Metal balls, as the core component of slewing bearings, play a decisive role in the bearing's load-bearing capacity, wear resistance, and service life due to their quenching quality.

[0003] Currently, uneven heating is a common problem in the quenching process of metal balls, leading to significant differences in the internal microstructure and affecting the overall performance consistency. Furthermore, traditional quenching equipment lacks precise temperature control, easily resulting in excessively high or low temperatures. Excessively high temperatures can cause coarse grains in the balls, reducing their strength and toughness; excessively low temperatures fail to achieve the desired quenching effect, affecting the balls' hardness and wear resistance. In addition, the unloading process is inconvenient and inefficient, often requiring manual operation, increasing labor intensity and production time costs.

[0004] Therefore, we propose a quenching device for metal balls in slewing bearings. Utility Model Content

[0005] The main purpose of this utility model is to provide a quenching device for metal balls in a slewing bearing. In order to prevent problems such as uneven heating, inaccurate quenching temperature control, and inconvenient and inefficient unloading of metal balls during the quenching process, the quenching quality of metal balls is improved, thereby enhancing the load-bearing capacity, wear resistance and service life of the slewing bearing. This can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A quenching device for metal balls in a slewing bearing includes a quenching hopper, a control panel on the outer wall of the quenching hopper, a medium-frequency induction heating coil on the lower inner side of the quenching hopper, a feeding channel fixedly connected to the bottom of the quenching hopper, a support plate hinged to one end of the quenching hopper near the inner wall of the control panel, and the other end of the inner wall of the quenching hopper movably connected to the support plate. A cooling cavity is formed in the support plate, a heat-conducting plate is fixedly installed on the top of the support plate, and a heat-conducting rod is fixedly installed on the bottom of the heat-conducting plate, with the bottom end of the heat-conducting rod extending into the cooling cavity.

[0008] A base plate is provided below the quenching bucket. Two pillars are fixedly connected to the top of the base plate. The outer side wall of the quenching bucket is fixedly connected to the inner side wall of the two pillars. A U-shaped fixing plate is fixedly connected to one end of the two pillars. Two fixing blocks are fixedly connected to the top of the U-shaped fixing plate. A first hydraulic rod is hinged to the inner side of the fixing block. A pin plate is hinged to the other end of the first hydraulic rod. The top of the pin plate is fixedly connected to one side of the bottom end of the support plate.

[0009] A water pump and a water tank are fixedly installed at the top of the base plate. A connecting pipe is fixedly connected to the suction end of the water pump. The end of the connecting pipe away from the water pump is fixedly installed on the side of the water tank and communicates with the inside of the water tank. An inlet pipe is fixedly installed at the discharge end of the water pump. The end of the inlet pipe away from the water pump extends into the cooling chamber. A return pipe is fixedly installed at the bottom of the support plate and communicates with the cooling chamber. The other end of the return pipe is fixedly installed at the top of the water tank and communicates with the inside of the water tank.

[0010] By adopting the above technical solution, metal balls are placed in the quenching tank, quenching parameters such as heating temperature and time are set through the control panel, the device is turned on, the medium frequency induction heating coil is energized, and an alternating magnetic field is generated, which causes the metal balls in the quenching tank to generate an induced current due to electromagnetic induction, thereby heating up and achieving pre-quenching heating.

[0011] During heating, the water pump draws water from the water tank and sends it into the cooling chamber of the support plate through the connecting pipe and the inlet pipe. The heat-conducting plate and the heat-conducting rod transfer the heat of the ball to the water in the cooling chamber. The hot water flows back to the water tank through the return pipe to cool down, maintaining the temperature of the support plate and avoiding overheating that could affect the quenching effect of the ball.

[0012] When unloading is required, the first hydraulic rod operates, driving the support plate to rotate around the hinge point between the support plate and the quenching bucket via the pin plate, causing the support plate to tilt, facilitating the sliding of the balls. The balls fall along the support plate and the unloading channel, completing the quenching unloading process.

[0013] Furthermore, a second hydraulic rod is fixedly installed at the top of each of the two pillars, and a top plate is fixedly connected to the output end of each of the two second hydraulic rods. Two connecting rods are fixedly connected to the bottom end of the top plate, and a top cover is fixedly connected to the bottom end of each of the two connecting rods. A spraying device and a temperature sensor are provided on the top cover, and a heat insulation layer is provided on both the top cover and the inner wall of the quenching tank.

[0014] By adopting the above technical solution, the second hydraulic rod is the key actuator for realizing the top cover action. When it is necessary to operate the quenching bucket, such as loading and unloading, or to maintain and repair the internal equipment, the second hydraulic rod extends. Since one end of the second hydraulic rod is fixed to the top of the support column and the other end is connected to the top plate, its contraction will drive the top plate to move upward. The top plate is connected to the top cover through the connecting rod. Therefore, the upward movement of the top plate will synchronously pull the top cover upward, thereby opening the top space of the quenching bucket to facilitate related operations.

[0015] When the loading or maintenance is completed and the metal balls need to be quenched, the second hydraulic rod retracts. The retracted second hydraulic rod pushes the top plate downward, and then lifts the top cover to a suitable position above the quenching hopper through the connecting rod, thereby closing the quenching hopper.

[0016] After the metal balls have completed the heating process in the quenching tank, they need to be rapidly quenched and cooled to obtain the required properties. At this time, the spray device on the top cover starts to work. The spray device sprays quenching liquid, such as quenching oil, evenly onto the metal balls in the quenching tank at a certain pressure and flow rate. The sprayed quenching liquid quickly takes away the heat from the surface of the metal balls, making them cool down quickly and completing the key cooling step in the quenching process, ensuring that the metal balls achieve the expected performance indicators such as hardness and strength.

[0017] The temperature sensor installed on the top cover monitors the temperature inside the quenching tank in real time. During the heating process, the temperature sensor feeds back the monitored temperature data to the control system, which is connected to the control panel. The control system adjusts the power or working time of the medium-frequency induction heating coil according to the preset heating temperature curve to ensure that the metal balls can accurately reach the set heating temperature. During the quenching and cooling process, the temperature sensor also continuously monitors the temperature to help operators understand the cooling effect of the quenching liquid on the metal balls and the overall temperature change inside the quenching tank, so as to adjust the working status of the spray device.

[0018] The heat insulation layer between the top cover and the inner wall of the quenching tank plays an important role in heat insulation and heat preservation. During the heating stage, the heat insulation layer can effectively prevent heat from the quenching tank from escaping outward, reduce energy loss, improve heating efficiency, and enable the metal balls to reach the set temperature more quickly. During the quenching and cooling stage, the heat insulation layer can prevent external environmental heat from interfering with the quenching process, ensuring that the quenching liquid can cool the metal balls in a relatively stable temperature environment, thus ensuring the consistency and stability of the quenching effect.

[0019] Furthermore, one end of the feeding channel is connected to a connecting channel via a sleeve, and the other end of the connecting channel is assembled with a material conveying mechanism.

[0020] By adopting the above technical solution, after the metal balls have completed the quenching process in the quenching hopper, they will be discharged through the feeding channel. The connecting channel at one end of the feeding channel provides an extended path for the conveying of the metal balls and plays a connecting role. It connects the feeding channel with the subsequent conveying mechanism, so that the metal balls can be smoothly transferred from the quenching hopper to the conveying mechanism.

[0021] The main function of the conveying mechanism is to transport the quenched metal balls from the quenching device to the next process or storage location. It is connected to the connecting channel through a modular connection. When the balls enter the connecting channel, the conveying mechanism will start and transport the balls out in an orderly manner. The modular connection makes the installation, disassembly and maintenance of the conveying mechanism more convenient. If it is necessary to replace or repair the conveying mechanism, it can be easily removed from the connecting channel without significantly affecting the structure of the entire quenching device. Furthermore, the conveying mechanism can flexibly adjust parameters such as conveying speed and conveying direction according to production needs to meet different production processes and output requirements, and achieve continuous and efficient conveying of metal balls.

[0022] Furthermore, the material conveying mechanism includes a material conveying cylinder, with a discharge port at the bottom end of the material conveying cylinder away from the connecting channel, and multiple support legs fixedly connected to the outer wall of the material conveying cylinder, with the bottom end of the support legs fixedly connected to the top end of the base plate.

[0023] By adopting the above technical solution, the feeding cylinder, as the core component of the feeding mechanism, is responsible for the transmission and temporary storage of the quenched metal balls that enter from the connecting channel. After quenching, the metal balls enter the feeding cylinder through the connecting channel, allowing the balls to move inside the cylinder. During the transmission process, the balls will move along a certain path inside the feeding cylinder to ensure that they are conveyed to the lower feed port in an orderly manner.

[0024] The main function of the support legs is to securely mount the conveying cylinder onto the base plate. Multiple support legs are distributed on the bottom of the outer wall of the conveying cylinder, with their bottom ends fixedly connected to the top of the base plate, providing stable support for the conveying cylinder and preventing it from shaking or tilting during operation. This support structure not only ensures the stability of the conveying cylinder during operation but also enables the entire conveying mechanism to withstand a certain weight and vibration. It also provides a reliable foundation for the normal operation of the conveying cylinder, ensuring the smooth transmission of the balls within the conveying cylinder and their final output through the discharge port, thereby improving the reliability and working efficiency of the entire quenching device.

[0025] Furthermore, a drive shaft is rotatably connected inside the feed cylinder, and a second motor for driving the drive shaft is fixedly installed at one end of the feed cylinder.

[0026] By adopting the above technical solution, the second motor serves as the power source for the conveying cylinder. Its main function is to provide rotational power to the drive shaft. When the second motor starts, it converts electrical energy into mechanical energy to drive the drive shaft to rotate. The drive shaft is connected to the inside of the conveying cylinder. By rotating, it drives the internal components of the conveying cylinder to work, enabling the metal balls to move within the conveying cylinder. This rotating connection method ensures that the drive shaft can smoothly drive the spiral blades inside the conveying cylinder during rotation, thereby pushing the metal balls to move along the inner wall of the conveying cylinder. This transmission mechanism utilizes the rotational motion of the drive shaft to transport the balls from one end of the conveying cylinder to the other end, and finally output them from the discharge port.

[0027] Furthermore, a first motor is fixedly installed at the end of the feeding cylinder away from the second motor. The output shaft of the first motor extends into the inside of the feeding cylinder and is fixedly connected to a fan blade. A heat dissipation hole is provided at the top of the feeding cylinder away from the fan blade.

[0028] By adopting the above technical solution, the first motor serves as the power source. After starting, its output shaft begins to rotate. Since the output shaft extends into the inside of the conveying cylinder and is connected to the fan blades, it will drive the fan blades to rotate inside the conveying cylinder. The rotation of the fan blades will generate airflow, which can form a flow state inside the conveying cylinder.

[0029] For metal balls that have undergone quenching, they may still carry high heat when transported in the feed cylinder. The airflow generated by the rotating fan blades can promote airflow in the feed cylinder, carry away some of the heat from the surface of the metal balls, and play a certain heat dissipation role, which helps to further cool the balls. At the same time, the heat dissipation holes at the top of the feed cylinder provide an exhaust channel for the hot air in the feed cylinder, allowing the hot air to be smoothly discharged from the feed cylinder and preventing the temperature inside the feed cylinder from becoming too high.

[0030] Furthermore, a water inlet pipe is provided at the upper part of one end of the water tank, and a drain pipe is provided at the lower part of one end of the water tank, with a valve installed on the drain pipe.

[0031] By adopting the above technical solution, the water filling pipe is located at the upper part of one end of the water tank and is mainly used to add water or other cooling media into the water tank. When the water volume in the water tank is insufficient, the operator can inject water into the water tank through the water filling pipe. The water filling pipe facilitates the replenishment of cooling media and ensures that there is enough water in the water tank to ensure the normal operation of the cooling circulation system of the entire quenching device. For example, under long-term continuous operation, the water in the cooling chamber may be reduced due to evaporation, leakage, etc. after multiple circulations. At this time, water can be replenished in time through the water filling pipe to keep the cooling system in a stable working state.

[0032] The drain pipe is located at the lower end of one end of the water tank and is used to drain the water or other cooling medium in the water tank. When the water tank needs to be maintained, cleaned, or the cooling medium in the water tank needs to be replaced, the valve on the drain pipe can be opened to drain the water in the water tank. The valve setting can precisely control the drainage process and adjust the drainage speed and flow rate according to actual needs.

[0033] During normal operation, the valve is closed to prevent water from accidentally flowing out of the tank. When drainage is required, the valve is opened, and the water in the tank is discharged through the drain pipe under the action of gravity, enabling operations such as cleaning the tank or replacing the medium.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] (1) This utility model provides a quenching device for metal balls in a slewing bearing. The quenching device utilizes an alternating magnetic field generated by energizing a medium-frequency induction heating coil, which causes the metal balls in the quenching tank to generate an induced current due to electromagnetic induction and thus heat up, achieving uniform heating before quenching. At the same time, water from the water tank is pumped into the cooling chamber of the support plate by a water pump. The heat is transferred from the balls to the water in the cooling chamber by a heat-conducting plate and a heat-conducting rod. The hot water flows back to the water tank through the return water pipe for cooling, which can effectively maintain the temperature stability of the support plate and avoid the impact of local overheating on the quenching effect of the balls. This ensures precise temperature control during the quenching process, thereby improving the consistency and stability of the quenching quality of the metal balls.

[0036] (2) The present invention provides a quenching device for metal balls in a slewing bearing. When unloading is required, the first hydraulic rod works and drives the support plate to rotate around the hinge point between the support plate and the quenching bucket through the pin plate, so that the support plate is tilted and the metal balls can easily slide down along the support plate and the unloading channel. No manual assistance is required for unloading, which greatly reduces labor intensity, improves unloading efficiency, shortens the production cycle, and helps to improve overall production efficiency. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the structure of a quenching device for metal balls in a slewing bearing according to the present invention.

[0038] Figure 2 This utility model relates to a quenching device for metal balls in a slewing bearing. Figure 1 Enlarged view of point A in the middle.

[0039] Figure 3 This utility model relates to a quenching device for metal balls in a slewing bearing. Figure 2 Enlarged view of section B in the middle.

[0040] In the diagram: 1. Quenching bucket; 2. Feeding channel; 3. Heat-conducting plate; 4. Support plate; 5. Cooling chamber; 6. Heat-conducting rod; 7. Water inlet pipe; 8. Water return pipe; 9. Support column; 10. U-shaped fixing plate; 11. Fixing block; 12. First hydraulic rod; 13. Pin connecting plate; 14. Medium frequency induction heating coil; 15. Second hydraulic rod; 16. Top plate; 17. Connecting rod; 18. Top cover; 19. Spraying device; 20. Heat insulation layer; 21. Control panel; 22. Base plate; 23. Water pump; 24. Water tank; 25. Connecting pipe; 26. Water inlet pipe; 27. Drain pipe; 28. Material conveying mechanism; 29. ​​Material conveying cylinder; 30. Connecting channel; 31. Feeding port; 32. Support leg; 33. Drive shaft; 34. First motor; 35. Fan blade; 36. Second motor; 37. Heat dissipation hole. Detailed Implementation

[0041] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0042] To prevent problems such as uneven heating, inaccurate quenching temperature control, and inconvenient and inefficient unloading during the quenching process of metal balls, thereby improving the quenching quality of metal balls and ultimately enhancing the load-bearing capacity, wear resistance, and service life of slewing bearings, such as... Figure 1 , Figure 2 , Figure 3 As shown, a quenching device for metal balls in a slewing bearing includes a quenching hopper 1. A control panel 21 is provided on the outer wall of the quenching hopper 1. A medium-frequency induction heating coil 14 is provided on the lower inner side of the quenching hopper 1. A feeding channel 2 is fixedly connected to the bottom end of the quenching hopper 1. A support plate 4 is hinged to one end of the quenching hopper 1 near the inner wall of the control panel 21. The other end of the inner wall of the quenching hopper 1 is movably connected to the support plate 4. A cooling cavity 5 is provided in the support plate 4. A heat-conducting plate 3 is fixedly installed on the top of the support plate 4. A heat-conducting rod 6 is fixedly installed on the bottom end of the heat-conducting plate 3. The bottom end of the heat-conducting rod 6 extends into the cooling cavity 5.

[0043] A base plate 22 is provided below the quenching bucket 1. Two pillars 9 are fixedly connected to the top of the base plate 22. The outer side wall of the quenching bucket 1 is fixedly connected to the inner side wall of the two pillars 9. A U-shaped fixing plate 10 is fixedly connected to one end of the two pillars 9. Two fixing blocks 11 are fixedly connected to the top of the U-shaped fixing plate 10. A first hydraulic rod 12 is hinged to the inner side of the fixing block 11. A pin plate 13 is hinged to the other end of the first hydraulic rod 12. The top of the pin plate 13 is fixedly connected to one side of the bottom end of the support plate 4.

[0044] A water pump 23 and a water tank 24 are fixedly installed at the top of the base plate 22. A connecting pipe 25 is fixedly connected to the suction end of the water pump 23. The end of the connecting pipe 25 away from the water pump 23 is fixedly installed on the side of the water tank 24 and communicates with the inside of the water tank 24. A water inlet pipe 7 is fixedly installed at the discharge end of the water pump 23. The end of the water inlet pipe 7 away from the water pump 23 extends into the cooling chamber 5. A return water pipe 8 is fixedly installed at the bottom of the support plate 4 and communicates with the cooling chamber 5. The other end of the return water pipe 8 is fixedly installed at the top of the water tank 24 and communicates with the inside of the water tank 24.

[0045] When in use, the metal balls are placed in the quenching bucket 1, and the quenching parameters, such as heating temperature and time, are set through the control panel 21. The device is turned on, and the medium frequency induction heating coil 14 is energized to generate an alternating magnetic field, which causes the metal balls in the quenching bucket 1 to generate an induced current due to electromagnetic induction, thereby heating up and achieving pre-quenching heating.

[0046] During heating, water pump 23 draws water from water tank 24 and sends it into cooling chamber 5 of support plate 4 through connecting pipe 25 and inlet pipe 7. Heat conduction plate 3 and heat conduction rod 6 transfer the heat of the ball to the water in cooling chamber 5. The hot water flows back to water tank 24 through return pipe 8 to cool, maintaining the temperature of support plate 4 and avoiding overheating that could affect the quenching effect of the ball.

[0047] When unloading is required, the first hydraulic rod 12 operates, driving the support plate 4 to rotate around the hinge point between it and the quenching bucket 1 via the pin plate 13, causing the support plate 4 to tilt, facilitating the sliding of the balls. The balls fall along the support plate 4 and the unloading channel 2, completing the quenching unloading process.

[0048] For example, such as Figure 1 As shown, this utility model also includes a second hydraulic rod 15 fixedly installed at the top of each of the two support columns 9, a top plate 16 fixedly connected to the output end of the two second hydraulic rods 15, two connecting rods 17 fixedly connected to the bottom end of the top plate 16, a top cover 18 fixedly connected to the bottom end of the two connecting rods 17, a spraying device 19 and a temperature sensor provided on the top cover 18, and a heat insulation layer 20 provided on both the top cover 18 and the inner wall of the quenching bucket 1.

[0049] In use, the second hydraulic rod 15 is the key actuator for realizing the action of the top cover 18. When it is necessary to operate the quenching bucket 1, such as loading, unloading, or maintenance and repair of the internal equipment, the second hydraulic rod 15 extends. Since one end of the second hydraulic rod 15 is fixed to the top of the support column 9 and the other end is connected to the top plate 16, its contraction will drive the top plate 16 to move upward. The top plate 16 is connected to the top cover 18 through the connecting rod 17. Therefore, the upward movement of the top plate 16 will synchronously pull the top cover 18 to move upward, thereby opening the top space of the quenching bucket 1 to facilitate related operations.

[0050] When the loading or maintenance is completed and the metal balls need to be quenched, the second hydraulic rod 15 retracts. The retracted second hydraulic rod 15 pushes the top plate 16 downward, and then lifts the top cover 18 to a suitable position above the quenching hopper 1 through the connecting rod 17, thereby closing the quenching hopper 1.

[0051] After the metal balls have completed the heating process in the quenching tank 1, they need to be rapidly quenched and cooled to obtain the required properties. At this time, the spray device 19 on the top cover 18 starts to work. The spray device 19 sprays quenching liquid, such as quenching oil, evenly onto the metal balls in the quenching tank 1 at a certain pressure and flow rate. The sprayed quenching liquid quickly takes away the heat from the surface of the metal balls, making them cool down quickly and completing the key cooling step in the quenching process, ensuring that the metal balls reach the expected performance indicators such as hardness and strength.

[0052] A temperature sensor installed on the top cover 18 monitors the temperature inside the quenching tank 1 in real time. During the heating process, the temperature sensor feeds back the monitored temperature data to the control system and the control panel 21. The control system adjusts the power or working time of the medium frequency induction heating coil 14 according to the preset heating temperature curve to ensure that the metal balls can accurately reach the set heating temperature. During the quenching and cooling process, the temperature sensor also continuously monitors the temperature to help the operator understand the cooling effect of the quenching liquid on the metal balls and the overall temperature change inside the quenching tank 1, so as to adjust the working status of the spray device 19.

[0053] The heat insulation layer 20 set between the top cover 18 and the inner wall of the quenching tank 1 plays an important role in heat insulation and heat preservation. During the heating stage, the heat insulation layer 20 can effectively prevent the heat inside the quenching tank 1 from dissipating outward, reduce energy loss, improve heating efficiency, and enable the metal balls to reach the set temperature more quickly. During the quenching and cooling stage, the heat insulation layer 20 can prevent the external heat from interfering with the quenching process, ensure that the quenching liquid can cool the metal balls in a relatively stable temperature environment, and ensure the consistency and stability of the quenching effect.

[0054] For example, such as Figure 1 As shown, the present invention also includes a connecting channel 30 connected to one end of the feeding channel 2, and a feeding mechanism 28 assembled to the other end of the connecting channel 30.

[0055] When in use, after the metal balls have completed the quenching process in the quenching hopper 1, they will be discharged through the feeding channel 2. The connecting channel 30 connected to one end of the feeding channel 2 provides an extended path for the conveying of the metal balls and plays a connecting role. It connects the feeding channel 2 with the subsequent conveying mechanism 28, so that the metal balls can be smoothly transferred from the quenching hopper 1 to the conveying mechanism 28.

[0056] The main function of the conveying mechanism 28 is to transport the quenched metal balls from the quenching device to the next process or storage location. It is connected to the connecting channel 30 through a modular connection. When the balls enter the connecting channel 30, the conveying mechanism 28 will start and transport the balls out in an orderly manner. The modular connection makes the installation, disassembly and maintenance of the conveying mechanism 28 more convenient. If the conveying mechanism 28 needs to be replaced or repaired, it can be easily removed from the connecting channel 30 without causing a significant impact on the structure of the entire quenching device. In addition, the conveying mechanism 28 can flexibly adjust parameters such as conveying speed and conveying direction according to production needs to meet different production processes and output requirements, and achieve continuous and efficient conveying of metal balls.

[0057] For example, such as Figure 1 , Figure 3 As shown, the present invention also includes a material conveying mechanism 28 comprising a material conveying cylinder 29, wherein a discharge port 31 is provided at the bottom end of the material conveying cylinder 29 away from the connecting channel 30, and a plurality of support legs 32 are fixedly connected to the outer wall of the material conveying cylinder 29, wherein the bottom end of the support legs 32 is fixedly connected to the top end of the base plate 22.

[0058] In use, the feeding cylinder 29, as the core component of the feeding mechanism 28, is responsible for the transmission and temporary storage of the quenched metal balls that enter from the connecting channel 30. After quenching, the metal balls enter the feeding cylinder 29 through the connecting channel 30, allowing the balls to move inside the cylinder. During the transmission process, the balls will move along a certain path inside the feeding cylinder 29 to ensure that they are conveyed to the lower feed port 31 in an orderly manner.

[0059] The main function of the support legs 32 is to securely mount the conveying cylinder 29 onto the base plate 22. Multiple support legs 32 are distributed on the bottom of the outer wall of the conveying cylinder 29, with their bottom ends fixedly connected to the top of the base plate 22, providing stable support for the conveying cylinder 29 and preventing it from shaking or tilting during operation. This support structure not only ensures the stability of the conveying cylinder 29 during operation, but also enables the entire conveying mechanism 28 to withstand a certain weight and vibration. It also provides a reliable foundation for the normal operation of the conveying cylinder 29, ensuring the smooth transmission of the balls within the conveying cylinder 29 and their final output through the discharge port 31, thereby improving the reliability and working efficiency of the entire quenching device.

[0060] For example, such as Figure 1 , Figure 3 As shown, the present invention also includes a transmission shaft 33 rotatably connected inside the feeding cylinder 29, and a second motor 36 for driving the transmission shaft 33 is fixedly installed at one end of the feeding cylinder 29.

[0061] In use, the second motor 36 serves as the power source for the conveying cylinder 29. Its main function is to provide rotational power to the drive shaft 33. When the second motor 36 starts, it converts electrical energy into mechanical energy, driving the drive shaft 33 to rotate. The drive shaft 33 is connected to the inside of the conveying cylinder 29. By rotating, it drives the internal components of the conveying cylinder 29 to work, enabling the metal balls to move within the conveying cylinder 29. This rotating connection ensures that the drive shaft 33 can smoothly drive the spiral blades inside the conveying cylinder 29 during rotation, thereby pushing the metal balls to move along the inner wall of the conveying cylinder 29. This transmission mechanism utilizes the rotational motion of the drive shaft 33 to transport the balls from one end of the conveying cylinder 29 to the other end, and finally output them from the discharge port 31.

[0062] For example, such as Figure 1 , Figure 3 As shown, the present invention also includes a first motor 34 fixedly installed at the end of the feeding cylinder 29 away from the second motor 36, the output shaft of the first motor 34 extending into the inside of the feeding cylinder 29 and fixedly connected to a fan blade 35, and a heat dissipation hole 37 being provided at the top end of the feeding cylinder 29 away from the fan blade 35.

[0063] When in use, the first motor 34 serves as the power source. After starting, its output shaft begins to rotate. Since the output shaft extends into the inside of the conveying cylinder 29 and is connected to the fan blade 35, it will drive the fan blade 35 to rotate inside the conveying cylinder 29. The rotation of the fan blade 35 will generate airflow, which can form a flow state inside the conveying cylinder 29.

[0064] For the quenched metal balls, they may still carry high heat when they are transported in the feed cylinder 29. The airflow generated by the rotating fan blades 35 can promote the airflow in the feed cylinder 29, carry away some of the heat from the surface of the metal balls, and play a certain heat dissipation role, which helps to further cool the balls. At the same time, the heat dissipation holes 37 at the top of the feed cylinder 29 provide an exhaust channel for the hot air in the feed cylinder 29, so that the hot air can be smoothly discharged from the feed cylinder 29 and prevent the temperature inside the feed cylinder 29 from being too high.

[0065] For example, such as Figure 1 As shown, the present invention also includes a water inlet pipe 26 provided at the upper part of one end of the water tank 24, a drain pipe 27 provided at the lower part of one end of the water tank 24, and a valve provided on the drain pipe 27.

[0066] During use, the water inlet pipe 26 is located at the upper part of one end of the water tank 24. It is mainly used to add water or other cooling media into the water tank 24. When the water in the water tank 24 is insufficient, the operator can inject water into the water tank through the water inlet pipe 26. The water inlet pipe 26 facilitates the replenishment of cooling media and ensures that there is enough water in the water tank 24 to ensure the normal operation of the cooling circulation system of the entire quenching device. For example, under long-term continuous operation, the water in the cooling chamber 5 may be reduced due to evaporation, leakage, etc. after multiple circulations. At this time, water can be replenished in time through the water inlet pipe 26 to keep the cooling system in a stable working state.

[0067] The drain pipe 27 is located at the lower end of one end of the water tank 24 and is used to drain the water or other cooling medium in the water tank 24. When the water tank 24 needs to be maintained, cleaned, or the cooling medium in the water tank needs to be replaced, the valve on the drain pipe 27 can be opened to drain the water in the water tank 24. The valve setting can precisely control the drainage process and adjust the drainage speed and flow rate according to actual needs.

[0068] During normal operation, the valve is closed to prevent water in the water tank 24 from flowing out accidentally. When drainage is required, the valve is opened, and the water in the water tank 24 is discharged through the drain pipe 27 under the action of gravity, so as to clean the water tank 24 or replace the medium.

[0069] It should be noted that this utility model is a quenching device for metal balls in a slewing bearing. The metal balls are placed into the quenching hopper 1, and the quenching parameters are set through the control panel 21. The second hydraulic rod 15 retracts, which drives the top plate 16, connecting rod 17 and top cover 18 to move upward to open the top of the quenching hopper 1. After loading or maintenance is completed, the second hydraulic rod 15 retracts, which pushes the top plate 16 and connecting rod 17 to lift the top cover 18 above the quenching hopper 1 to close it.

[0070] When the device is turned on, the medium frequency induction heating coil 14 is energized to heat the ball bearings; at the same time, the water pump 23 draws water from the water tank 24 and sends it into the cooling chamber 5 of the support plate 4 through the connecting pipe 25 and the inlet pipe 7. The heat is transferred through the heat-conducting plate 3 and the heat-conducting rod 6, and the hot water flows back to the water tank 24 through the return pipe 8 to cool down, thus maintaining the stable temperature of the support plate 4.

[0071] After the ball is heated, the spray device 19 on the top cover 18 sprays quenching liquid to cool it quickly. The temperature sensor on the top cover 18 monitors the temperature in real time, and the heat insulation layer 20 reduces heat loss and external interference.

[0072] When unloading is required, the first hydraulic rod 12 works, driving the support plate 4 to rotate around the hinge point between it and the quenching bucket 1 through the pin plate 13, causing the support plate 4 to tilt, and the balls fall along the support plate 4 and the unloading channel 2.

[0073] After quenching, the balls enter the conveying mechanism 28 through the feeding channel 2 and the connecting channel 30. The conveying mechanism 28 then transports them to the next process or storage location.

[0074] The transmission shaft 33 inside the feed cylinder 29 is driven by the second motor 36, which drives the ball bearings to move; the first motor 34 drives the fan blades 35 to rotate to generate airflow for heat dissipation, and the heat dissipation holes 37 exhaust hot air.

[0075] Water inlet pipe 26 is used to replenish cooling medium into water tank 24, and drain pipe 27 is used to discharge medium, which facilitates the maintenance of water tank 24 and medium replacement.

[0076] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A quenching device for metal balls in a slewing bearing, comprising a quenching bowl (1), characterized in that, The quenching bucket (1) is provided with a control panel (21) on its outer wall. A medium-frequency induction heating coil (14) is provided on the lower inner side of the quenching bucket (1). A feeding channel (2) is fixedly connected to the bottom of the quenching bucket (1). A support plate (4) is hinged to one end of the quenching bucket (1) near the inner wall of the control panel (21). The other end of the inner wall of the quenching bucket (1) is movably connected to the support plate (4). A cooling cavity (5) is opened in the support plate (4). A heat-conducting plate (3) is fixedly installed on the top of the support plate (4). A heat-conducting rod (6) is fixedly installed on the bottom of the heat-conducting plate (3). The bottom of the heat-conducting rod (6) extends into the cooling cavity (5). A base plate (22) is provided below the quenching bucket (1). Two pillars (9) are fixedly connected to the top of the base plate (22). The outer side wall of the quenching bucket (1) is fixedly connected to the inner side wall of the two pillars (9). A U-shaped fixing plate (10) is fixedly connected to one end of the two pillars (9). Two fixing blocks (11) are fixedly connected to the top of the U-shaped fixing plate (10). A first hydraulic rod (12) is hinged to the inner side of the fixing block (11). A pin plate (13) is hinged to the other end of the first hydraulic rod (12). The top of the pin plate (13) is fixedly connected to one side of the bottom end of the support plate (4). A water pump (23) and a water tank (24) are fixedly installed at the top of the base plate (22). A connecting pipe (25) is fixedly connected to the suction end of the water pump (23). The end of the connecting pipe (25) away from the water pump (23) is fixedly installed on one side of the water tank (24) and communicates with the inside of the water tank (24). An inlet pipe (7) is fixedly installed at the discharge end of the water pump (23). The end of the inlet pipe (7) away from the water pump (23) extends into the cooling chamber (5). A return pipe (8) is fixedly installed at the bottom of the support plate (4) and communicates with the cooling chamber (5). The other end of the return pipe (8) is fixedly installed at the top of the water tank (24) and communicates with the inside of the water tank (24).

2. The quenching device for metal balls in a slewing bearing according to claim 1, characterized in that: A second hydraulic rod (15) is fixedly installed at the top of each of the two pillars (9). The output ends of the two second hydraulic rods (15) are fixedly connected to a top plate (16). Two connecting rods (17) are fixedly connected to the bottom of the top plate (16). A top cover (18) is fixedly connected to the bottom of the two connecting rods (17). A spray device (19) and a temperature sensor are provided on the top cover (18). A heat insulation layer (20) is provided on both the top cover (18) and the inner wall of the quenching bucket (1).

3. The quenching device for metal balls in a slewing bearing according to claim 1, characterized in that: One end of the feeding channel (2) is connected to the connecting channel (30) in a sleeve-type manner, and the other end of the connecting channel (30) is connected to the conveying mechanism (28) in an assembly-type manner.

4. The quenching device for metal balls in a slewing bearing according to claim 3, characterized in that: The material conveying mechanism (28) includes a material conveying cylinder (29), and a discharge port (31) is provided at the bottom end of the material conveying cylinder (29) away from the connecting channel (30). Multiple support legs (32) are fixedly connected to the outer wall of the material conveying cylinder (29), and the bottom end of the support leg (32) is fixedly connected to the top end of the base plate (22).

5. The quenching device for metal balls in a slewing bearing according to claim 4, characterized in that: The feed cylinder (29) is rotatably connected to a drive shaft (33), and a second motor (36) for driving the drive shaft (33) is fixedly installed at one end of the feed cylinder (29).

6. The quenching device for metal balls in a slewing bearing according to claim 5, characterized in that: The first motor (34) is fixedly installed at the end of the feeding cylinder (29) away from the second motor (36). The output shaft of the first motor (34) extends into the inside of the feeding cylinder (29) and is fixedly connected to a fan blade (35). A heat dissipation hole (37) is opened at the top of the feeding cylinder (29) away from the fan blade (35).

7. The quenching device for metal balls in a slewing bearing according to claim 1, characterized in that: A water inlet pipe (26) is provided at the upper part of one end of the water tank (24), and a drain pipe (27) is provided at the lower part of one end of the water tank (24), and a valve is provided on the drain pipe (27).

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