Saw blade oil groove heating and tempering device

Abstract

The invention belongs to the field of workpiece tempering, and particularly relates to a saw blade oil groove heating and tempering device which comprises an electric heating furnace, a treatment groove is formed in the top face of the electric heating furnace and filled with tempering oil, a sealing cover is arranged above the treatment groove, three vertically-arranged hydraulic rods are installed on the edge of the electric heating furnace, and the hydraulic rods are connected with the electric heating furnace. By means of the arrangement, tempering oil is further stirred and mixed, temperature transfer of the tempering oil is accelerated, the temperature of the tempering oil in the treatment tank is made to be equal, along with autorotation of the tempering saw blade, a temperature sensor only needs to be attached to the surface of the tempering saw blade, the tempering saw blade rotates, the tempering saw blade can rotate, and therefore the tempering oil can be rapidly and accurately treated. And at the moment, the temperature sensor can touch the tempering saw blade for one circle only by keeping the temperature sensor fixed, so that the surface temperature of the tempering saw blade is accurately measured, the heating condition of the electrothermal furnace is controlled, and the high-quality process of the tempering process is ensured.

Description

Technical Field

[0001] The present invention belongs to the field of workpiece tempering, and more specifically, it is a saw blade oil groove heating tempering device. Background Art

[0002] Tempering is a metal heat treatment process in which a quenched workpiece is reheated to an appropriate temperature below the lower critical temperature, held for a period of time, and then cooled in air or a medium such as water or oil. When using water or oil as the coolant, water or oil needs to be filled into a water tank or an oil tank, and then the workpiece is placed into the water tank or the oil tank.

[0003] During the overall tempering process, if the phenomenon of uneven heat absorption on the surface of the workpiece occurs, soft spots are likely to appear on the surface of the workpiece, and the overall hardness distribution of the workpiece will be uneven, resulting in a significant reduction in the quality of the workpiece. In severe cases, workpiece deformation and cracking will occur.

[0004] Traditional tempering devices simply immerse the workpieces to be processed directly in the tempering liquid. However, it is difficult for the heating of the tempering equipment to achieve dead - end - free heating, which easily leads to uneven temperature of the tempering liquid. Moreover, in the workpiece tempering process, not only the temperature of the tempering liquid needs to be measured, but also the temperature of the workpiece needs to be detected. Because there is a temperature difference between the tempering liquid and the workpiece, the temperature of the tempering liquid cannot accurately represent the temperature of the workpiece, while in the traditional process, only the temperature of the tempering liquid is simply measured.

[0005] Therefore, the present invention provides a saw blade oil groove heating tempering device. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A saw blade oil groove heating tempering device of the present invention includes an electric furnace. A treatment tank is opened on the top surface of the electric furnace. Tempering oil is filled in the treatment tank. A sealing cover is arranged above the treatment tank. Three vertically arranged hydraulic rods are installed on the edge of the electric furnace. The top of the hydraulic rod is fixedly connected to the sealing cover. Three connecting arms for fixing the tempering saw blade are arranged below the sealing cover. A plurality of temperature sensors for measuring the temperature of the tempering saw blade and the tempering oil are arranged in the treatment tank. A reduction motor for controlling the self - rotation and revolution of the tempering saw blade is fixedly connected to the top of the sealing cover; Through the setting of the reduction motor and the connecting arms, during the processes of tempering oil heating, heat preservation, and cooling, the reduction motor is started to drive the three connecting arms to revolve around the reduction motor as the center. This operation can not only effectively stir and mix the tempering oil, making the tempering oil temperature equal at different positions in the treatment tank, ensuring that multiple tempered saw blades can be heated, heat-preserved, and cooled at a constant temperature; but also, by continuously changing the position of the tempered saw blades themselves, it greatly reduces the problem of process differences between different tempered saw blades caused by uneven heat distribution in the treatment tank. At the same time, in the traditional workpiece tempering process, not only the temperature of the tempering liquid needs to be measured, but also the temperature of the workpiece needs to be detected. Because there is a temperature difference between the tempering liquid and the workpiece, the temperature of the tempering liquid cannot accurately represent the temperature of the workpiece. To ensure the quality of the workpiece, it is necessary to monitor the workpiece temperature in real time. During the revolution of the tempered saw blades, the connecting arms will drive the tempered saw blades to rotate around their own midpoints. Through this setting, not only is the tempering oil further stirred and mixed, accelerating the temperature transfer of the tempering oil and making the tempering oil temperature equal in the treatment tank, but also, since the surface area of the tempered saw blade is large, it is difficult to comprehensively detect the surface temperature of the tempered saw blade. However, as the tempered saw blade rotates, by simply attaching the temperature sensor to the surface of the tempered saw blade and keeping the temperature sensor fixed while the tempered saw blade rotates, the temperature sensor can touch the entire circumference of the tempered saw blade, thereby accurately measuring the surface temperature of the tempered saw blade and controlling the heating condition of the electric furnace to ensure the high-quality progress of the tempering process.

[0008] Preferably, a vertically arranged central column is installed at the bottom of the reduction motor. The central column passes through the sealing cover from top to bottom and is rotationally clamped with the sealing cover. The three connecting arms are arranged annularly and equidistantly on the outside of the central column. The reduction motor drives the central column to rotate, and the central column then drives the three connecting arms to rotate, thereby driving the tempered saw blades to revolve around the central column. This can not only mix the tempering oil in the treatment tank but also prevent the tempered saw blades from being in the same position for a long time, reducing the situation of quality problems of the tempered saw blades caused by uneven heat distribution.

[0009] Preferably, the interior of the central column is hollow. A vertical rod is rotatably connected to the inner top of the central column. The vertical rod is vertically arranged. The top of the central column is open. A connecting rod that is drivingly connected to the vertical rod is arranged inside the connecting arm. The connecting rod is fixedly connected to the connecting arm. As the central column sinks into the electric furnace, the bottom of the central column will fit with the base, and the bottom surface of the vertical rod will also fit with the base. As the reduction motor controls the rotation of the central column, it will drive the revolution of the tempering saw blade. The top of the vertical rod is rotatably connected to the central column, and the bottom of the vertical rod will press against the base, causing the vertical rod to be unable to rotate. Then, as the central column and the connecting arm revolve, it will also drive the connecting rod inside the connecting arm to revolve. The revolving connecting rod transmits power to the stationary vertical rod, causing the connecting rod to rotate, and then driving the connecting arm and the tempering saw blade to rotate. Through this setting, only by turning on the reduction motor, the tempering saw blade can revolve and rotate simultaneously, which not only ensures the isothermal effect of the tempering oil, enables multiple tempering saw blades to constantly heat up, keep warm, and cool down at the same temperature, but also can comprehensively detect the surface temperature of the tempering saw blade.

[0010] Preferably, a gear disc is fixedly connected to the middle of the vertical rod, and a transmission gear is fixedly connected to the end of the connecting rod. The transmission gear meshes with the gear disc. The gear disc remains stationary, and the upper transmission gear moves around the gear disc. Due to their meshing, the transmission gear will be driven to rotate, and then the connecting arm and the tempering saw blade will be driven to rotate.

[0011] Preferably, the connecting arm is divided into sections. The two sections of the connecting arm are rotatably clamped. One section of the connecting arm is fixedly connected to the central column, and the tempering saw blade is fixedly connected to the other section of the connecting arm. The sectional setting of the connecting arm allows part of the connecting arm to rotate and drive the tempering saw blade to rotate, while the other part of the connecting arm is firmly fixedly connected to the central column, ensuring the operating stability of the equipment.

[0012] Preferably, the plurality of temperature sensors are arranged horizontally at equal intervals. A recovery sleeve is fixedly connected to the middle of the electric furnace. The temperature sensors are slidably connected to the recovery sleeve. The detection ends of the temperature sensors are located at the ends. The temperature sensors are horizontally arranged. An elastic member is arranged between the temperature sensors and the recovery sleeve. A plurality of auxiliary arms are fixedly connected to the outer side of the central column. The surface of the end of the auxiliary arm is set with a smooth transition. In order to accurately measure the surface temperature of the tempered saw blade, when the tempered saw blade rotates around its own axis and revolves in the treatment tank, the distance between the tempered saw blade and the wall of the treatment tank changes at all times. Since the temperature sensors are slidably connected to the recovery sleeve, when the surface of the tempered saw blade presses the temperature sensors, the temperature sensors will be partially retracted into the recovery sleeve, always ensuring that their detection ends are in contact with the tempered saw blade. The setting of the auxiliary arms enables the temperature sensors to be blocked by the auxiliary arms after passing over the tempered saw blade. In the tempering oil, the rebound of the temperature sensors is slow. In this way, after the temperature sensors pass over the auxiliary arms, they can smoothly contact the next tempered saw blade.

[0013] Preferably, the bottom of the vertical rod is connected to a fixed column by splines. The bottom of the fixed column is fixedly connected to a fitting seat. A fitting groove is formed in the top surface of the base. A plurality of isolation rings are installed near the top inside the central column. A docking ring that fits the shape of the bottom surface of the central column is fixedly connected to the top surface of the base. The spline connection between the fixed column and the vertical rod enables the bottom fixed column to slide but not to slide relative to the vertical rod. When the whole fixed column sinks and approaches the base, the edge of the central column will be caught in the docking ring, reducing the problem of tempering oil entering the inside of the central column. At the same time, the fitting seat at the bottom of the fixed column will contact the fitting groove. As the central column rotates as a whole, it will drive the fixed column to rotate, enabling the fitting seat and the fitting groove to be docked. At this time, the fixed column and the vertical rod will be locked, preventing the gear disc from rotating and enabling the self-rotation function of the connecting arm to proceed normally. The setting of the isolation rings also serves to reduce the entry of external tempering oil into the inside of the central column.

[0014] Preferably, a connection disk is fixedly connected to the outer side of a section of the connecting arm that can rotate. A fixed disk is arranged on the outer side of the connecting arm. Screw holes are formed in the surfaces of both the fixed disk and the connection disk. After the central column rises, the tempered saw blade is vertically inserted into the connecting arm. Then the fixed disk is also inserted into the connecting arm. After that, bolts are used to fix the fixed disk and the tempered saw blade to the connecting arm. During disassembly, just operate in the reverse direction; when disassembling the tempered saw blade, by rotating the reduction motor, the tempered saw blade can be oriented to any position, facilitating the disassembly process of the tempered saw blade.

[0015] Preferably, a liquid pump is fixedly connected to the outside of the electric furnace. Two circulation holes are formed inside the treatment tank of the electric furnace. The two circulation holes are distributed vertically. The absorption end of the liquid pump is connected to the lower circulation hole, and the discharge end of the liquid pump is connected to the upper circulation hole. A plurality of replaceable filter cores are installed in the middle of the liquid pump. When multiple tempered saw blades are put in, the surface of the tempered saw blades may carry debris or sundries, resulting in the contamination of the tempering oil. By starting the liquid pump, the tempering oil is extracted from the bottom circulation hole. After passing through the filter core, the tempering oil returns to the treatment tank from the top circulation hole, so that the sundries in the tempering oil can be cleaned regularly, ensuring the high-quality progress of the tempering process.

[0016] Preferably, a plurality of synchronous rods are fixedly connected to the outside of the central column. The synchronous rods are in contact with the bottom surface of the treatment tank. The synchronous rods can stir the tempering oil at the bottom, so that the impurities far from the circulation holes can also be smoothly absorbed and filtered by the liquid pump.

[0017] The beneficial effects of the present invention are as follows: 1. For the saw blade oil tank heating and tempering device of the present invention, through the setting of the reduction motor and the connecting arm, during the heating, heat preservation and cooling of the tempering oil, the reduction motor is started to drive the three connecting arms to revolve around the reduction motor. This operation can not only effectively stir and mix the tempering oil, make the tempering oil at different positions in the treatment tank have the same temperature, and ensure that multiple tempered saw blades can be heated, kept warm and cooled at a constant temperature at the same temperature; but also greatly reduce the problem of process differences between different tempered saw blades caused by the uneven heat distribution in the treatment tank due to the continuous change of the position of the tempered saw blades; during the revolution of the tempered saw blades, the connecting arm will drive the tempered saw blades to rotate around their own midpoints. Through this setting, not only the tempering oil is further stirred and mixed, the temperature transfer of the tempering oil is accelerated, and the tempering oil in the treatment tank has the same temperature, but also because the surface area of the tempered saw blade is large, it is difficult to comprehensively detect the surface temperature of the tempered saw blade. However, with the rotation of the tempered saw blade, as long as the temperature sensor is attached to the surface of the tempered saw blade, and since the tempered saw blade rotates, at this time, as long as the temperature sensor remains fixed, the temperature sensor can touch the tempered saw blade in a circle, so as to more accurately measure the surface temperature of the tempered saw blade and control the heating situation of the electric furnace, thereby ensuring the high-quality progress of the tempering process.

[0018] 2. For the saw blade oil tank heating and tempering device of the present invention, the reduction motor drives the central column to rotate, and the central column drives the three connecting arms to rotate, thereby driving the tempered saw blades to revolve around the central column, which can not only mix the tempering oil in the treatment tank, but also prevent the tempered saw blades from staying in the same position for a long time, reducing the situation of quality problems of the tempered saw blades caused by uneven heat distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 is the first - perspective three - dimensional view of the present invention; Figure 2 is the second - perspective three - dimensional view of the present invention; Figure 3 is the three - dimensional view of the electric heating furnace in the present invention; Figure 4 is the cross - sectional view of the electric heating furnace in the present invention; Figure 5 is the three - dimensional view of the tempering saw blade and the temperature sensor of the present invention; Figure 6 is the three - dimensional view of the tempering saw blade and the connecting arm of the present invention; Figure 7 is the cross - sectional view of the connecting arm and the central column of the present invention; Figure 8 is the three - dimensional view of the fixing seat and the base of the present invention; In the figure: 1. Electric heating furnace; 2. Sealing cover; 3. Base; 4. Hydraulic rod; 6. Reduction motor; 7. Liquid pump; 8. Filter element; 9. Tempering saw blade; 10. Connecting arm; 11. Central column; 12. Circulation hole; 13. Auxiliary arm; 14. Recovery sleeve; 15. Fixed disk; 16. Temperature sensor; 17. Synchronous rod; 18. Gear disk; 19. Fixed column; 20. Fitting seat; 21. Connecting disk; 22. Vertical rod; 23. Driving gear; 24. Connecting rod; 25. Fitting groove. Detailed implementation manners

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific implementation manners.

[0022] As Figures 1 to 8 shown, a saw - blade oil - tank heating and tempering device according to an embodiment of the present invention includes an electric heating furnace 1. A processing tank is opened on the top surface of the electric heating furnace 1, and tempering oil is filled in the processing tank. A sealing cover 2 is arranged above the processing tank. Three vertically arranged hydraulic rods 4 are installed at the edge of the electric heating furnace 1, and the top of the hydraulic rod 4 is fixedly connected to the sealing cover 2. Below the sealing cover 2, three connecting arms 10 for fixing a tempering saw blade 9 are arranged. A plurality of temperature sensors 16 for measuring the temperature of the tempering saw blade 9 and the tempering oil are arranged in the processing tank. A reduction motor 6 for controlling the self - rotation and revolution of the tempering saw blade 9 is fixedly connected to the top of the sealing cover 2; The sealing cover 2 is lifted upward by the elongation of the hydraulic rod 4, and the tempering saw blade 9 to be tempered is fixed on the connecting arm 10. Up to three tempering saw blades 9 can be fixed. After the fixing is completed, the hydraulic rod 4 is shortened, the sealing cover 2 is lowered, and the tempering saw blade 9 and the connecting arm 10 are placed in the treatment tank. The electric furnace 14 can be powered on to heat the tempering oil in the treatment tank. The filling of the tempering oil needs to ensure that the tempering saw blade 9 is completely immersed, and at the same time, the tempering oil cannot overflow the sealing cover 2. The tempering oil is heated to an appropriate temperature, and the temperature of the tempering oil and the tempering saw blade 9 is measured in real time through the temperature sensor 16. After that, it is kept warm for a period of time, and then after the tempering saw blade 9 gradually cools down, the tempering process of the tempering saw blade 9 is completed. Then the sealing cover 2 is lifted, and the tempering saw blade 9 is taken outwards; during the heat preservation process, the electric furnace 1 needs to continuously heat and work to ensure that the oil temperature and the temperature of the tempering saw blade 9 do not drop; during the whole process, if the surface of the tempering saw blade 9 is unevenly heated, soft spots are likely to appear on the surface of the workpiece, and the hardness distribution of the whole workpiece will be uneven, resulting in a significant reduction in the quality of the workpiece, and seriously, workpiece deformation and cracking will occur; through the setting of the reduction motor 6 and the connecting arm 10, during the heating up, heat preservation and cooling of the tempering oil, the reduction motor 6 is started to drive the three connecting arms 10 to revolve around the reduction motor 6 as the center. This operation can not only effectively stir and mix the tempering oil, make the tempering oil temperature at different positions in the treatment tank equal, and ensure that multiple tempering saw blades 9 can be heated up, kept warm and cooled down at a constant temperature at the same temperature; and by constantly changing the position of the tempering saw blade 9 itself, the problem of process gap between different tempering saw blades 9 caused by the uneven heat distribution in the treatment tank is greatly reduced; at the same time, in the traditional workpiece tempering process, not only the temperature of the tempering liquid needs to be measured, but also the temperature of the workpiece needs to be detected. Because there is a temperature difference between the tempering liquid and the workpiece, the temperature of the tempering liquid cannot accurately represent the temperature of the workpiece. To ensure the quality of the workpiece, the temperature of the workpiece needs to be monitored in real time; during the revolution of the tempering saw blade 9, the connecting arm 10 will drive the tempering saw blade 9 to rotate around its own midpoint. Through this setting, not only the tempering oil is further stirred and mixed, the temperature transfer of the tempering oil is accelerated, and the tempering oil temperature in the treatment tank is made equal, but also because the surface area of the tempering saw blade 9 is large, it is difficult to comprehensively detect the surface temperature of the tempering saw blade 9. However, with the rotation of the tempering saw blade 9, as long as the temperature sensor 16 is attached to the surface of the tempering saw blade 9, and since the tempering saw blade 9 rotates, at this time, as long as the temperature sensor 16 remains fixed, the temperature sensor 16 can touch the tempering saw blade 9 in a circle, thereby more accurately measuring the surface temperature of the tempering saw blade 9 and controlling the heating of the electric furnace 1, so as to ensure the high-quality progress of the tempering process.

[0023] A vertical central column 11 is installed at the bottom of the reduction motor 6. The central column 11 passes through the sealing cover 2 from top to bottom and is rotationally clamped with the sealing cover 2. The three connecting arms 10 are arranged annularly and equidistantly outside the central column 11; During operation, the reduction motor 6 drives the central column 11 to rotate, and the central column 11 then drives the three connecting arms 10 to rotate, thereby driving the tempering saw blade 9 to revolve around the central column 11. This can mix the tempering oil in the treatment tank and at the same time prevent the tempering saw blade 9 from being in the same position for a long time, reducing the quality problems of the tempering saw blade 9 caused by uneven heat distribution.

[0024] The interior of the central column 11 is hollow. The inner top of the central column 11 is rotatably connected to a vertical rod 22. The vertical rod 22 is vertically arranged. The top of the central column 11 is open. An adjusting rod 24 that is drivingly connected to the vertical rod 22 is arranged inside the connecting arm 10. The adjusting rod 24 is fixedly connected to the connecting arm 10. During operation, as the central column 11 sinks into the electric furnace 1, the bottom of the central column 11 will fit with the base 3, and the bottom surface of the vertical rod 22 will also fit with the base 3. As the reduction motor 6 controls the central column 11 to rotate, it will drive the tempering saw blade 9 to revolve. The top of the vertical rod 22 is rotatably connected to the central column 11, and the bottom of the vertical rod 22 will press against the base 3, causing the vertical rod 22 to be unable to rotate. Then, as the central column 11 and the connecting arm 10 revolve, it will also drive the adjusting rod 24 inside the connecting arm 10 to revolve. The revolving adjusting rod 24 is in transmission with the stationary vertical rod 22, causing the adjusting rod 24 to rotate, and then driving the connecting arm 10 and the tempering saw blade 9 to rotate. With this setting, only by turning on the reduction motor 6 can the tempering saw blade 9 revolve and rotate simultaneously, ensuring the isothermal effect of the tempering oil, allowing multiple tempering saw blades 9 to heat up, keep warm, and cool down at the same temperature, and at the same time, the surface temperature of the tempering saw blade 9 can be detected more comprehensively.

[0025] A gear disc 18 is fixedly connected to the middle of the vertical rod 22. A transmission gear 23 is fixedly connected to the end of the adjusting rod 24. The transmission gear 23 meshes with the gear disc 18. During operation, the gear disc 18 remains stationary, and the upper transmission gear 23 moves around the gear disc 18. Due to their meshing, the transmission gear 23 will be driven to rotate, and then the connecting arm 10 and the tempering saw blade 9 will be driven to rotate.

[0026] The connecting arm 10 is divided into sections. The two sections of the connecting arm 10 are rotatably clamped. One section of the connecting arm 10 is fixedly connected to the central column 11, and the tempering saw blade 9 is fixedly connected to the other section of the connecting arm 10. During operation, the sectional setting of the connecting arm 10 allows part of the connecting arm 10 to rotate and drive the tempering saw blade 9 to rotate, while the other part of the connecting arm 10 is firmly fixedly connected to the central column 11, ensuring the operating stability of the equipment.

[0027] A plurality of the temperature sensors 16 are arranged horizontally at equal intervals. A recovery sleeve 14 is fixedly connected to the middle of the electric furnace 1. The temperature sensors 16 are slidably connected to the recovery sleeve 14. The detection ends of the temperature sensors 16 are located at the ends. The temperature sensors 16 are arranged horizontally. An elastic member is arranged between the temperature sensors 16 and the recovery sleeve 14. A plurality of auxiliary arms 13 are fixedly connected to the outer side of the central column 11. The surface of the end of the auxiliary arm 13 is set with a smooth transition; During operation, in order to accurately measure the surface temperature of the tempered saw blade 9, when the tempered saw blade 9 rotates around its own axis and revolves in the treatment tank, the distance between the tempered saw blade 9 and the inner wall of the treatment tank changes at all times. Since the temperature sensors 16 are slidably connected to the recovery sleeve 14, when the surface of the tempered saw blade 9 presses against the temperature sensors 16, the temperature sensors 16 will be partially retracted into the recovery sleeve 14, always ensuring that their detection ends are in contact with the tempered saw blade 9. The setting of the auxiliary arms 13 enables the temperature sensors 16 to be blocked by the auxiliary arms 13 after passing over the tempered saw blade 9. In the tempering oil, the temperature sensors 16 rebound slowly. In this way, after the temperature sensors 16 pass over the auxiliary arms 13, they can smoothly contact the next tempered saw blade 9.

[0028] The bottom of the vertical rod 22 is in spline connection with a fixed column 19. The bottom of the fixed column 19 is fixedly connected with a fitting seat 20. A fitting groove 25 is formed in the top surface of the base 3. A plurality of isolation rings are installed near the top inside the central column 11. A docking ring that fits the shape of the bottom surface of the central column 11 is fixedly connected to the top surface of the base 3; During operation, the fixed column 19 and the vertical rod 22 are in spline connection, enabling the fixed column 19 at the bottom to slide, but not to slide relative to the vertical rod 22. When the whole fixed column 19 sinks and approaches the base 3, the edge of the central column 11 will be stuck in the docking ring, reducing the problem of tempering oil entering the inside of the central column 11. At the same time, the fitting seat 20 at the bottom of the fixed column 19 will contact the fitting groove 25. As the central column 11 rotates as a whole, it will drive the fixed column 19 to rotate, enabling the fitting seat 20 and the fitting groove 25 to be docked. At this time, the fixed column 19 and the vertical rod 22 will be locked, preventing the gear disk 18 from rotating and enabling the self-rotation function of the connecting arm 10 to proceed normally. The setting of the isolation rings also serves to reduce the entry of external tempering oil into the inside of the central column 11.

[0029] A connection disk 21 is fixedly connected to the outer side of a section of the connecting arm 10 that can rotate. A fixed disk 15 is arranged on the outer side of the connecting arm 10. Screw holes are formed in the surfaces of the fixed disk 15 and the connection disk 21; During operation, after the central column 11 is raised, the tempering saw blade 9 is vertically inserted into the connecting arm 10. Then, the fixing plate 15 is also inserted into the connecting arm 10. After that, bolts are used to fix the fixing plate 15 and the tempering saw blade 9 to the connecting arm 10. During disassembly, just operate in the reverse way. When disassembling the tempering saw blade 9, by rotating the reduction motor 6, the tempering saw blade 9 can be oriented to any position, which facilitates the disassembly process of the tempering saw blade 9.

[0030] A liquid pump 7 is fixedly connected to the outer side of the electric furnace 1. Two circulation holes 12 are formed inside the treatment tank of the electric furnace 1. The two circulation holes 12 are distributed vertically. The absorption end of the liquid pump 7 is connected to the lower circulation hole 12, and the discharge end of the liquid pump 7 is connected to the upper circulation hole 12. A plurality of replaceable filter cores 8 are installed in the middle of the liquid pump 7. During operation, after the tempering saw blade 9 is put in multiple times, debris or sundries may be carried on the surface of the tempering saw blade 9, resulting in the contamination of the tempering oil. By starting the liquid pump 7, the tempering oil is extracted from the bottom circulation hole 12. After passing through the filter core 8, the tempering oil returns to the treatment tank from the top circulation hole 12, so that the sundries in the tempering oil can be regularly cleaned, ensuring the high-quality progress of the tempering process.

[0031] A plurality of synchronizing rods 17 are fixedly connected to the outer side of the central column 11, and the synchronizing rods 17 are in contact with the bottom surface of the treatment tank. During operation, the synchronizing rods 17 can stir the tempering oil at the bottom, so that the impurities far from the circulation holes 12 can also be smoothly absorbed and filtered by the liquid pump 7.

[0032] During operation, through the settings of the reduction motor 6 and the connecting arms 10, during the processes of tempering oil heating, heat preservation, and cooling, the reduction motor 6 is started to drive the three connecting arms 10 to revolve around the reduction motor 6 as the center. This operation can not only effectively stir and mix the tempering oil, making the tempering oil temperature equal at different positions in the treatment tank, ensuring that multiple tempered saw blades 9 can be heated, kept warm, and cooled at a constant temperature under the same temperature; but also, by continuously changing the position of the tempered saw blades 9 themselves, it greatly reduces the problem of process gaps between different tempered saw blades 9 caused by uneven heat distribution in the treatment tank. At the same time, in the traditional workpiece tempering process, not only the temperature of the tempering liquid needs to be measured, but also the temperature of the workpiece needs to be detected. Because there is a temperature difference between the tempering liquid and the workpiece, the temperature of the tempering liquid cannot accurately represent the temperature of the workpiece. To ensure the quality of the workpiece, the temperature of the workpiece needs to be monitored in real time. During the revolution of the tempered saw blades 9, the connecting arms 10 will drive the tempered saw blades 9 to rotate around their own midpoints. Through this setting, not only is the tempering oil further stirred and mixed, accelerating the temperature transfer of the tempering oil and making the tempering oil temperature equal in the treatment tank, but also because the surface area of the tempered saw blades 9 is relatively large, it is difficult to comprehensively detect the surface temperature of the tempered saw blades 9. However, as the tempered saw blades 9 rotate, only by attaching the temperature sensor 16 to the surface of the tempered saw blades 9, and since the tempered saw blades 9 are rotating, at this time, as long as the temperature sensor 16 remains fixed, the temperature sensor 16 can touch the entire circumference of the tempered saw blades 9, thereby accurately measuring the surface temperature of the tempered saw blades 9 and controlling the heating condition of the electric furnace 1, so as to ensure the high-quality progress of the tempering process; The reduction motor 6 drives the central column 11 to rotate, and the central column 11 then drives the three connecting arms 10 to rotate, thereby driving the tempered saw blades 9 to revolve around the central column 11. This can not only mix the tempering oil in the treatment tank, but also prevent the tempered saw blades 9 from staying in the same position for a long time, reducing the situation of quality problems of the tempered saw blades 9 caused by uneven heat distribution; As the central column 11 sinks into the electric furnace 1, the bottom of the central column 11 will fit with the base 3, and the bottom surface of the vertical rod 22 will also fit with the base 3. As the reduction motor 6 controls the central column 11 to rotate, it will drive the tempered saw blades 9 to revolve. The top of the vertical rod 22 is rotatably connected to the central column 11, and the bottom of the vertical rod 22 will press against the base 3, causing the vertical rod 22 to be unable to rotate. Then, as the central column 11 and the connecting arms 10 revolve, it will also drive the connecting rod 24 inside the connecting arms 10 to revolve. The revolving connecting rod 24 transmits power with the stationary vertical rod 22, causing the connecting rod 24 to rotate, and then driving the connecting arms 10 and the tempered saw blades 9 to rotate. Through this setting, only by turning on the reduction motor 6, the tempered saw blades 9 can revolve and rotate simultaneously, not only ensuring the isothermal effect of the tempering oil, enabling multiple tempered saw blades 9 to be heated, kept warm, and cooled at a constant temperature under the same temperature, but also being able to comprehensively detect the surface temperature of the tempered saw blades 9; The gear disk 18 remains stationary, and the upper transmission gear 23 moves around the gear disk 18. Due to their meshing, the transmission gear 23 will be driven to rotate, thereby driving the connecting arm 10 and the tempering saw blade 9 to rotate; The segmented setting of the connecting arm 10 allows part of the connecting arm 10 to rotate and drive the tempering saw blade 9 to rotate, while the other part of the connecting arm 10 is firmly fixed to the central column 11, ensuring the operating stability of the equipment; In order to accurately measure the surface temperature of the tempering saw blade 9, when the tempering saw blade 9 rotates around its own axis and revolves in the treatment tank, the distance between the tempering saw blade 9 and the tank wall of the treatment tank changes constantly. The temperature sensor 16 is slidably connected to the recovery sleeve 14. When the surface of the tempering saw blade 9 presses against the temperature sensor 16, the temperature sensor 16 will be partially retracted into the recovery sleeve 14, always ensuring that its detection end is in contact with the tempering saw blade 9. The setting of the auxiliary arm 13 enables the temperature sensor 16 to be blocked by the auxiliary arm 13 after passing over the tempering saw blade 9. In the tempering oil, the rebound of the temperature sensor 16 is relatively slow. In this way, after the temperature sensor 16 passes over the auxiliary arm 13, it can smoothly contact the next tempering saw blade 9; The fixed column 19 and the vertical rod 22 are connected by splines, enabling the bottom fixed column 19 to slide but not to slide relative to the vertical rod 22. When the fixed column 19 sinks as a whole and approaches the base 3, the edge of the central column 11 will be stuck in the docking ring, reducing the problem of tempering oil entering the interior of the central column 11. At the same time, the fitting seat 20 at the bottom of the fixed column 19 will contact the fitting groove 25. As the central column 11 rotates as a whole, it will drive the fixed column 19 to rotate, causing the fitting seat 20 and the fitting groove 25 to be docked. At this time, the fixed column 19 and the vertical rod 22 will be locked, making the gear disk 18 unable to rotate and enabling the self-rotation function of the connecting arm 10 to proceed normally. The setting of the isolation ring also serves to reduce the entry of external tempering oil into the interior of the central column 11; After the central column 11 is raised, the tempering saw blade 9 is vertically inserted into the connecting arm 10, and then the fixing disk 15 is also inserted into the connecting arm 10. Then, bolts are used to fix the fixing disk 15 and the tempering saw blade 9 to the connecting arm 10. The reverse operation can be carried out during disassembly; when disassembling the tempering saw blade 9, by rotating the reduction motor 6, the tempering saw blade 9 can be oriented to any position, facilitating the disassembly process of the tempering saw blade 9; After multiple tempering saw blades 9 are put in, the surface of the tempering saw blade 9 may carry debris or sundries, resulting in the contamination of the tempering oil. By starting the liquid pump 7, the tempering oil is extracted from the bottom circulation hole 12, and after passing through the filter element 8, it returns to the treatment tank through the top circulation hole 12, thereby enabling the regular cleaning of the sundries in the tempering oil and ensuring the high-quality progress of the tempering process; The synchronous rod 17 can stir the tempering oil at the bottom, so that the impurities far from the circulation hole 12 can also be smoothly absorbed and filtered by the liquid pump 7.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A saw blade oil tank heating and tempering device, characterized in that: The electric heating furnace (1) comprises an electric heating furnace (1), wherein a processing tank is provided on the top surface of the electric heating furnace (1), wherein the processing tank is filled with tempering oil, wherein a sealing cover (2) is provided above the processing tank, wherein three vertically arranged hydraulic rods (4) are installed on the edge of the electric heating furnace (1), wherein the top of the hydraulic rods (4) is fixedly connected to the sealing cover (2), wherein three connecting arms (10) for fixing a tempering saw blade (9) are provided below the sealing cover (2), wherein a plurality of temperature sensors (16) for measuring the temperature of the tempering saw blade (9) and the tempering oil are provided in the processing tank, and wherein a reduction motor (6) for controlling the tempering saw blade (9) to rotate and revolve is fixedly connected to the top of the sealing cover (2); A vertically arranged central column (11) is installed at the bottom of the reduction motor (6); the central column (11) passes through the sealing cover (2) from top to bottom and is rotatably engaged with the sealing cover (2); and the three connecting arms (10) are arranged in an annular manner and equidistantly on the outside of the central column (11); The plurality of temperature sensors (16) are arranged horizontally and equidistantly; a recovery sleeve (14) is fixedly connected to the middle of the electric heating furnace (1); the temperature sensor (16) is slidably connected to the recovery sleeve (14); a detection end of the temperature sensor (16) is located at the end; the temperature sensor (16) is arranged horizontally; an elastic member is arranged between the temperature sensor (16) and the recovery sleeve (14); a plurality of auxiliary arms (13) are fixedly connected to the outer side of the central column (11); and the end surface of the auxiliary arm (13) is arranged with a smooth transition.

2. A saw blade oil tank heating and tempering device according to claim 1, characterized in that: The interior of the central column (11) is hollow, the inner top of the central column (11) is rotatably connected to a vertical rod (22), the vertical rod (22) is vertically arranged, the top of the central column (11) is open, and a connecting rod (24) is arranged inside the connecting arm (10) and is transmission-connected to the vertical rod (22), and the connecting rod (24) is fixedly connected to the connecting arm (10).

3. A saw blade oil tank heating and tempering device according to claim 2, characterized in that: A gear plate (18) is fixedly connected to the middle of the vertical rod (22), a transmission gear (23) is fixedly connected to the end of the connecting rod (24), and the transmission gear (23) is meshed with the gear plate (18).

4. A saw blade oil tank heating and tempering device according to claim 3, characterized in that: The connecting arm (10) is arranged in sections, and two sections of the connecting arm (10) are rotatably connected, one section of the connecting arm (10) is fixedly connected to the central column (11), and the tempered saw blade (9) is fixedly connected to the other section of the connecting arm (10).

5. A saw blade oil tank heating and tempering device according to claim 4, characterized in that: The bottom of the vertical rod (22) is spline-connected to a fixing column (19), the bottom of the fixing column (19) is fixedly connected to an engaging seat (20), the bottom of the electric heating furnace (1) is fixedly connected to a base (3), the top surface of the base (3) is provided with an engaging groove (25), a plurality of isolation rings are installed on the inner side of the center column (11) near the top, and a docking ring that matches the shape of the bottom surface of the center column (11) is fixedly connected to the top surface of the base (3).

6. A saw blade oil tank heating and tempering device according to claim 5, characterized in that: A connecting disk (21) is fixedly connected to the outside of a rotatable connecting arm (10), a fixing disk (15) is arranged on the outside of the connecting arm (10), and screw holes are provided on the surfaces of the fixing disk (15) and the connecting disk (21).

7. A saw blade oil tank heating and tempering device according to claim 6, characterized in that: A liquid pump (7) is fixedly connected to the outside of the electric heating furnace (1), and two circulation holes (12) are provided inside the treatment tank of the electric heating furnace (1). The two circulation holes (12) are distributed up and down, and the absorption end of the liquid pump (7) is connected to the lower circulation hole (12), and the discharge end of the liquid pump (7) is connected to the upper circulation hole (12). A plurality of replaceable filter cores (8) are installed in the middle of the liquid pump (7).

8. The saw blade oil tank heating and tempering device according to claim 7, characterized in that: A plurality of synchronization rods (17) are fixedly connected to the outer side of the central column (11), and the synchronization rods (17) are in contact with the bottom surface of the processing tank.

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