Quenching equipment and heat treatment system for gear

Abstract

The invention belongs to the technical field of gear machining, and particularly relates to quenching equipment and a heat treatment system for a gear. A scrap cleaning assembly is arranged at the bottom of the quenching box; the quenching box is connected with a flushing assembly through a scrap cleaning assembly; a bearing component is arranged at the top of the quenching box; a cooling circulation assembly is arranged on the side wall of the quenching box; the scrap cleaning assembly comprises a scrap settling pond, the scrap settling pond is fixedly connected to the bottom of the quenching box, the flushing assembly comprises a water inlet pipe, the flushing assembly is fixedly connected to the side wall of the scrap settling pond, the object bearing assembly comprises a fixing frame, and the fixing frame is fixedly connected to the top of the quenching box; according to the step, the quenching box, the scrap cleaning assembly, the flushing assembly and the cooling circulation assembly are arranged to form a gear quenching cleaning structure, the function of cleaning scrap iron generated during gear quenching is achieved, the problem that cooling liquid needs to be pumped out during scrap iron cleaning is solved, scrap iron cleaning convenience is improved, and cleaning steps are simplified.

Description

Technical Field

[0001] The invention belongs to the technical field of gear processing, in particular to a gear quenching device and a heat treatment system. Background Art

[0002] A gear is a mechanical part, usually circular with teeth around it, that is widely used in mechanical transmission to transmit motion, change the direction of rotation, and increase or decrease the speed of rotation.

[0003] The working principle of gears is based on the basic law of tooth profile meshing. The production of gears involves multiple processes, including material preparation, cutting, turning, tooth cutting, deburring, surface treatment and heat treatment. Gear quenching is a heat treatment process that hardens the gear surface through rapid heating and cooling to form a layer of martensitic structure with high hardness and strong wear resistance. When quenching gears, the workpiece is heated to the critical temperature and then placed in the coolant for rapid cooling.

[0004] In the existing gear quenching technology, when the gear is placed in the coolant for quenching, the iron slag on the surface of the gear will fall into the cooling box. The coolant needs to be pumped out and the cooling box needs to be cleaned, and the operation steps are cumbersome.

[0005] To this end, the present invention provides a gear quenching equipment and a heat treatment system. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problems is: a gear quenching equipment described in the present invention comprises a quenching box; a debris cleaning assembly is provided at the bottom of the quenching box; the quenching box is connected to a flushing assembly through the debris cleaning assembly; a receiving assembly is provided at the top of the quenching box; a cooling circulation assembly is provided on the side wall of the quenching box; the debris cleaning assembly comprises a chip settling pool, which is fixedly connected to the bottom of the quenching box, the flushing assembly comprises a water inlet pipe, which is fixedly connected to the side wall of the chip settling pool, and the receiving assembly comprises a fixed frame, which is fixedly connected to the top of the quenching box; this step constitutes a gear quenching cleaning structure through the arrangement of a quenching box, a debris cleaning assembly, a flushing assembly and a cooling circulation assembly, realizes the function of cleaning iron chips generated by gear quenching, solves the problem of needing to extract coolant when cleaning iron chips, improves the convenience of cleaning iron chips, and simplifies the cleaning steps.

[0008] Preferably, the debris cleaning assembly also includes a sealing cover, a first electric push rod, a first fixed plate, a sealing plate and a sealing gasket; the sealing cover is hinged on the bottom of the chip sink; the first electric push rod is fixedly connected to the side wall of the chip sink; the first electric push rod is arranged in a pair on the side wall of the chip sink, and is symmetrically arranged; the side wall of the first fixed plate is fixedly connected to the transmission end of the first electric push rod; the side wall of the sealing plate is fixedly connected to the side wall of the first fixed plate close to the first electric push rod; the sealing plate slides in the middle of the chip sink close to the quenching box; the sealing gasket is fixedly connected to the side wall of the sealing plate away from the first fixed plate; the side wall of the chip sink is provided with a fixed assembly; this step forms an iron chip cleaning structure through the arrangement of the chip sink, the sealing cover, the first electric push rod, the first fixed plate, the sealing plate and the sealing gasket, realizes the function of cleaning iron chips, solves the situation where coolant needs to be extracted when cleaning iron chips, improves the convenience of iron chip cleaning, improves the independence of the chip sink and the quenching box, and simplifies the steps of iron chip cleaning.

[0009] Preferably, the flushing assembly also includes a rotating disk, a water distribution pipe, a first nozzle and a second nozzle; the rotating disk is fixedly connected to the end of the water inlet pipe near the chip settling pool; the water distribution pipe is rotatably connected to the top of the rotating disk; the first nozzle is fixedly connected to the side wall of the water distribution pipe; the first nozzle is arranged in multiple groups on the side wall of the water distribution pipe, and is arranged diagonally; the second nozzle is fixedly connected to the side wall of the water distribution pipe away from the first nozzle; the second nozzle is arranged in multiple groups on the side wall of the water distribution pipe; a water channel is provided in the rotating disk; the water inlet pipe is connected to the water distribution pipe, the first nozzle and the second nozzle through the water channel inside the rotating disk; this step forms a flushing structure through the arrangement of the water inlet pipe, the rotating disk, the water distribution pipe, the first nozzle and the second nozzle, thereby realizing the function of flushing the inside of the chip settling pool, solving the problem of iron filings adhering to the inner wall of the chip settling pool, and improving the cleanliness of the inner wall of the chip settling pool when cleaning the iron filings.

[0010] Preferably, the supporting component also includes a second electric push rod and a mesh plate; the fixed frame is arranged in multiple groups on the top of the quenching box and is evenly distributed at the four corners of the top of the quenching box; the second electric push rod is fixedly connected to the top of the fixed frame; the mesh plate is fixedly connected to the transmission end of the second electric push rod; the mesh plate slides inside the quenching box; this step forms a gear supporting structure through the arrangement of the fixed frame, the second electric push rod and the mesh plate, realizes the function of driving multiple groups of gears for quenching, solves the problem of inconsistent gear quenching effect caused by coolant temperature fluctuations during gear quenching, and improves the synchronization of quenching multiple groups of gears.

[0011] Preferably, the cooling circulation component includes a cooling water outlet pipe, a filter and a cooling water supply pipe; the cooling water outlet pipe is fixedly connected to the side wall of the quenching box; the cooling water supply pipe is fixedly connected to the side wall of the quenching box away from the cooling water outlet pipe; the filter is fixedly connected to the end of the cooling water outlet pipe close to the quenching box; this step forms a coolant circulation structure through the arrangement of the cooling water outlet pipe, the filter and the cooling water supply pipe, realizes the function of circulating cooling of the coolant inside the quenching box, solves the problem of temperature increase of the coolant after the quenching operation, and reduces the temperature increase of the coolant.

[0012] Preferably, the fixing assembly includes a card and a fixing pin; the card is rotatably connected to the side wall of the chip sink; the fixing pin is fixedly connected to the side wall of the sealing cover close to the card; this step fixes the sealing cover to the bottom of the chip sink through the setting of the card and the fixing pin, thereby improving the sealing of the bottom of the chip sink and reducing the situation where the sealing cover falls off the chip sink.

[0013] Preferably, the sealing cover is fixedly connected with a sealing ring near the top of the chip sinking pool; when the sealing cover seals the bottom of the chip sinking pool, the sealing ring increases the sealing between the sealing cover and the chip sinking pool, reducing the overflow of coolant from between the chip sinking pool and the sealing cover.

[0014] Preferably, a gear heat treatment system is suitable for a gear quenching equipment mentioned above, and is characterized in that: the specific operation steps of the heat treatment system include: S1, placing the gear workpiece into a heating furnace for heating, so that the gear temperature is increased to 800℃-850℃; S2, placing the heated gear into a quenching equipment, and the gear is in contact with the coolant in the quenching equipment for rapid cooling, and the coolant temperature is maintained at 65℃-95 degrees Celsius; S3, after the quenched gear is cooled, the coolant on the gear surface is rinsed off.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. The gear quenching equipment and heat treatment system described in the present invention, through the arrangement of a quenching box, a debris cleaning component, a flushing component and a cooling circulation component, constitute a gear quenching and cleaning structure, thereby realizing the function of cleaning iron chips generated by gear quenching, solving the problem of needing to extract coolant when cleaning iron chips, improving the convenience of cleaning iron chips, and simplifying the cleaning steps.

[0017] 2. The gear quenching equipment and heat treatment system described in the present invention form an iron chip cleaning structure through the arrangement of a chip settling tank, a sealing cover, a first electric push rod, a first fixed plate, a sealing plate and a sealing gasket, thereby realizing the function of cleaning iron chips, solving the problem that the coolant needs to be extracted when cleaning iron chips, improving the convenience of iron chip cleaning, improving the independence of the chip settling tank and the quenching box, and simplifying the steps of iron chip cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 is a stereogram of the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the mesh plate and the quenching box in the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of the sealing plate and the chip sink in the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the cooperation between the nozzle and the water inlet pipe in the present invention;

[0023] Figure 5 It is a flow chart of the gear heat treatment steps in the present invention.

[0024] In the figure: 1. quenching box; 11. chip sink; 12. sealing cover; 13. first electric push rod; 14. first fixed plate; 15. sealing plate; 16. sealing gasket; 2. water inlet pipe; 21. rotating disk; 22. water distribution pipe; 23. first nozzle; 24. second nozzle; 3. fixing frame; 31. second electric push rod; 32. mesh plate; 4. cooling water outlet pipe; 41. filter; 42. cooling water supply pipe; 5. card; 51. fixing pin; 6. sealing ring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0026] like Figures 1 to 4As shown, a gear quenching device according to an embodiment of the present invention comprises a quenching box 1; a debris cleaning assembly is provided at the bottom of the quenching box 1; the quenching box 1 is connected to a flushing assembly through the debris cleaning assembly; a receiving assembly is provided at the top of the quenching box 1; a cooling circulation assembly is provided on the side wall of the quenching box 1; during operation, a coolant is put into the quenching box 1, a heated gear is put into the receiving assembly, the receiving assembly puts the gear into the coolant for rapid cooling, after cooling, the receiving assembly takes the gear out of the coolant, and the iron chips dropped during the quenching of the gear fall into the debris cleaning assembly, when the iron chips are in the debris cleaning assembly When there is too much accumulation in the part, open the debris cleaning component to discharge the accumulated iron chips, and the coolant continues to be stored in the quenching box 1. When discharging the iron chips, the flushing component flushes the debris cleaning component, and the cooling circulation component circulates and cools the coolant inside the quenching box 1; this step forms a gear quenching cleaning structure through the setting of the quenching box 1, the debris cleaning component, the flushing component and the cooling circulation component, which realizes the function of cleaning the iron chips generated by the gear quenching, solves the problem of needing to extract the coolant when cleaning the iron chips, improves the convenience of cleaning the iron chips, and simplifies the cleaning steps.

[0027] like Figures 1 to 3As shown, the debris cleaning assembly includes a chip sink 11, a sealing cover 12, a first electric push rod 13, a first fixed plate 14, a sealing plate 15 and a sealing gasket 16; the chip sink 11 is fixedly connected to the bottom of the quenching box 1; the sealing cover 12 is hinged at the bottom of the chip sink 11; the first electric push rod 13 is fixedly connected to the side wall of the chip sink 11; a pair of first electric push rods 13 are arranged on the side wall of the chip sink 11, and are symmetrically arranged; the side wall of the first fixed plate 14 is fixedly connected to the transmission end of the first electric push rod 13; the sealing The side wall of the plate 15 is fixedly connected to the side wall of the first fixed plate 14 near the first electric push rod 13; the sealing plate 15 slides in the middle of the chip sink 11 near the quenching box 1; the sealing gasket 16 is fixedly connected to the side wall of the sealing plate 15 away from the first fixed plate 14; the side wall of the chip sink 11 is provided with a fixing component; during operation, the iron chips dropped during the gear quenching enter the chip sink 11, and when the iron chips accumulate too much in the chip sink 11, the first electric push rod 13 is started, and the first electric push rod 13 drives the first fixed plate 14 , the sealing plate 15 and the sealing gasket 16 move, the sealing plate 15 closes the top of the chip sink 11 to separate the chip sink 11 from the quenching box 1, the sealing gasket 16 seals the sealing plate 15, the fixing assembly is opened to open the sealing cover 12, the iron filings and a small amount of coolant in the chip sink 11 are discharged from the chip sink 11, the flushing assembly flushes the chip sink 11, after the flushing of the chip sink 11 is completed, the sealing cover 12 is closed, the first electric push rod 13 is started, and the first electric push rod 13 drives the first fixed plate 14. The sealing plate 15 and the sealing gasket 16 are moved to connect the chip settling pool 11 with the quenching box 1. This step forms an iron chip cleaning structure through the arrangement of the chip settling pool 11, the sealing cover 12, the first electric push rod 13, the first fixed plate 14, the sealing plate 15 and the sealing gasket 16, thereby realizing the function of cleaning the iron chips, solving the problem that the coolant needs to be extracted when cleaning the iron chips, improving the convenience of cleaning the iron chips, improving the independence of the chip settling pool 11 and the quenching box 1, and simplifying the steps of cleaning the iron chips.

[0028] like Figure 3 to Figure 4As shown, the flushing assembly includes a water inlet pipe 2, a rotating disk 21, a water distribution pipe 22, a first nozzle 23 and a second nozzle 24; the water inlet pipe 2 is fixedly connected to the side wall of the debris pool 11; the rotating disk 21 is fixedly connected to the end of the water inlet pipe 2 close to the debris pool 11; the water distribution pipe 22 is rotatably connected to the top of the rotating disk 21; the first nozzle 23 is fixedly connected to the side wall of the water distribution pipe 22; multiple groups of the first nozzles 23 are arranged on the side wall of the water distribution pipe 22, and are arranged diagonally; the second nozzle 24 is fixedly connected to the side wall of the water distribution pipe 22 away from the first nozzle 23; multiple groups of the second nozzles 24 are arranged on the side wall of the water distribution pipe 22; a waterway is arranged in the rotating disk 21; the water inlet pipe 2 is connected to the water distribution pipe through the waterway inside the rotating disk 21 22, the first nozzle 23 and the second nozzle 24 are connected; during operation, the water inlet pipe 2 is connected to an external water pump, and clean water is discharged from the first nozzle 23 and the second nozzle 24 through the rotating disk 21 and the water distribution pipe 22. When the first nozzle 23 sprays water, it drives the water distribution pipe 22 to rotate, and the second nozzle 24 sprays water to flush the inside of the chip settling pool 11, so as to wash away the iron filings adhered to the chip settling pool 11; this step forms a flushing structure through the arrangement of the water inlet pipe 2, the rotating disk 21, the water distribution pipe 22, the first nozzle 23 and the second nozzle 24, thereby realizing the function of flushing the inside of the chip settling pool 11, solving the problem of iron filings adhering to the inner wall of the chip settling pool 11, and improving the cleanliness of the inner wall of the chip settling pool 11 when cleaning the iron filings.

[0029] like Figure 1 to Figure 2 As shown, the bearing component includes a fixed frame 3, a second electric push rod 31 and a mesh plate 32; the fixed frame 3 is fixedly connected to the top of the quenching box 1; the fixed frame 3 is arranged in multiple groups on the top of the quenching box 1, and is evenly distributed at the four corners of the top of the quenching box 1; the second electric push rod 31 is fixedly connected to the top of the fixed frame 3; the mesh plate 32 is fixedly connected to the transmission end of the second electric push rod 31; the mesh plate 32 slides inside the quenching box 1; during operation, the heated multiple groups of gears are placed on the top of the mesh plate 32, the second electric push rod 31 is started, and the second electric push rod 31 drives the mesh plate 32 to move toward the quenching box 1, so that the gears are in contact with the coolant, and the gears are quenched. After cooling is completed, the second electric push rod 31 is started to drive the mesh plate 32 to reset, and the gears are fished out of the coolant; this step forms a gear bearing structure through the arrangement of the fixed frame 3, the second electric push rod 31 and the mesh plate 32, realizes the function of driving multiple groups of gears for quenching, solves the problem that the coolant temperature fluctuation during gear quenching causes inconsistent gear quenching effects, and improves the synchronization of quenching multiple groups of gears.

[0030] like Figure 2As shown, the cooling circulation component includes a cooling water outlet pipe 4, a filter 41 and a cooling water supply pipe 42; the cooling water outlet pipe 4 is fixedly connected to the side wall of the quenching box 1; the cooling water supply pipe 42 is fixedly connected to the side wall of the quenching box 1 away from the cooling water outlet pipe 4; the filter 41 is fixedly connected to the end of the cooling water outlet pipe 4 close to the quenching box 1; during operation, the cooling water outlet pipe 4 and the cooling water supply pipe 42 are externally connected to a circulating pump to drive the coolant to circulate and cool, and the filter 41 filters the coolant; this step forms a coolant circulation structure through the arrangement of the cooling water outlet pipe 4, the filter 41 and the cooling water supply pipe 42, realizes the function of circulating cooling of the coolant inside the quenching box 1, solves the problem of the temperature of the coolant rising after the quenching operation, and reduces the temperature rise of the coolant.

[0031] like Figure 2 As shown, the fixing assembly includes a card 5 and a fixing pin 51; the card 5 is rotatably connected to the side wall of the chip sink 11; the fixing pin 51 is fixedly connected to the side wall of the sealing cover 12 near the card 5; during operation, the card 5 is buckled on the fixing pin 51 to fix the sealing cover 12 to the bottom of the chip sink 11, and when opening the sealing cover 12, the card 5 is rotated to disengage the card 5 and the fixing pin 51, and the sealing cover 12 is opened; this step fixes the sealing cover 12 to the bottom of the chip sink 11 through the setting of the card 5 and the fixing pin 51, thereby improving the sealing of the bottom of the chip sink 11 and reducing the situation where the sealing cover 12 falls off the chip sink 11.

[0032] like Figure 3 As shown, the sealing cover 12 is fixedly connected with a sealing ring 6 near the top of the chip sinking pool 11; during operation, when the sealing cover 12 seals the bottom of the chip sinking pool 11, the sealing ring 6 increases the sealing between the sealing cover 12 and the chip sinking pool 11, and reduces the overflow of coolant from between the chip sinking pool 11 and the sealing cover 12.

[0033] like Figure 5 As shown, a gear heat treatment system is suitable for a gear quenching equipment mentioned above, and is characterized in that: the specific operation steps of the heat treatment system include: S1, placing the gear workpiece into a heating furnace for heating, so that the gear temperature is increased to 800℃-850℃; S2, placing the heated gear into a quenching equipment, and the gear is in contact with the coolant in the quenching equipment for rapid cooling, and the coolant temperature is maintained at 65℃-95 degrees Celsius; S3, after the quenched gear is cooled, the coolant on the gear surface is rinsed off.

[0034] During operation, coolant is placed inside the quenching box 1, and the heated gear is placed on the receiving component. The receiving component places the gear in the coolant for rapid cooling. After cooling, the receiving component removes the gear from the coolant. Iron filings dropped during gear quenching fall into the chip cleaning component. When too much iron filings are accumulated in the chip cleaning component, the chip cleaning component is opened to discharge the accumulated iron filings. The coolant continues to be stored inside the quenching box 1. When discharging iron filings, the flushing component flushes the chip cleaning component, and the cooling circulation component circulates and cools the coolant inside the quenching box 1. Iron filings dropped during gear quenching enter the chip sink 11. When too much iron filings are accumulated in the chip sinking pool 11, the first electric push rod 13 is started, and the first electric push rod 13 drives the first fixed plate 14, the sealing plate 15 and the sealing gasket 16 to move, and the sealing plate 15 closes the top of the chip sinking pool 11 to separate the chip sinking pool 11 from the quenching box 1, and the sealing gasket 16 seals the sealing plate 15, and the fixing component is opened to open the sealing cover 12, and the iron filings and a small amount of coolant in the chip sinking pool 11 are discharged from the chip sinking pool 11, and the flushing component flushes the chip sinking pool 11. After the flushing of the chip sinking pool 11 is completed, the sealing cover 12 is closed, and the first electric push rod 13 is started, and the first electric push rod 13 drives the first fixed plate 14 , the sealing plate 15 and the sealing gasket 16 are moved to make the chip sink 11 communicate with the quenching box 1; the water inlet pipe 2 is connected to a water pump, and clean water is discharged from the first nozzle 23 and the second nozzle 24 through the rotating disk 21 and the water distribution pipe 22. When the first nozzle 23 sprays water, it drives the water distribution pipe 22 to rotate, and the second nozzle 24 sprays water to flush the inside of the chip sink 11 to wash away the iron filings adhering to the chip sink 11; the heated multiple groups of gears are placed on the top of the mesh plate 32, and the second electric push rod 31 is started. The second electric push rod 31 drives the mesh plate 32 to move toward the quenching box 1, so that the gears are in contact with the coolant to quench the gears. After cooling, the second electric push rod is started. The push rod 31 drives the mesh plate 32 to reset and remove the gear from the coolant; the cooling water outlet pipe 4 and the cooling water supply pipe 42 are connected to an external circulation pump to drive the coolant to circulate and cool, and the filter 41 filters the coolant; the card 5 is buckled on the fixing pin 51 to fix the sealing cover 12 at the bottom of the chip sink 11. When the sealing cover 12 is opened, the card 5 is rotated to disengage the card 5 and the fixing pin 51, and the sealing cover 12 is opened; when the sealing cover 12 seals the bottom of the chip sink 11, the sealing ring 6 increases the sealing between the sealing cover 12 and the chip sink 11, reducing the overflow of the coolant from between the chip sink 11 and the sealing cover 12.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A gear quenching device, comprising a quenching box (1); characterized in that: The bottom of the quenching box (1) is provided with a debris cleaning assembly; the quenching box (1) is connected to a flushing assembly via the debris cleaning assembly; the top of the quenching box (1) is provided with a material receiving assembly; the side wall of the quenching box (1) is provided with a cooling circulation assembly; the debris cleaning assembly includes a chip sink (11), the chip sink (11) is fixedly connected to the bottom of the quenching box (1), the flushing assembly includes a water inlet pipe (2), the water inlet pipe (2) is fixedly connected to the side wall of the chip sink (11), and the material receiving assembly includes a fixing frame (3), and the fixing frame (3) is fixedly connected to the top of the quenching box (1).

2. A gear quenching equipment according to claim 1, characterized in that: The debris cleaning assembly also includes a sealing cover (12), a first electric push rod (13), a first fixed plate (14), a sealing plate (15) and a sealing gasket (16); the sealing cover (12) is hinged at the bottom of the chip sink (11); the first electric push rod (13) is fixedly connected to the side wall of the chip sink (11); a pair of the first electric push rods (13) are arranged on the side wall of the chip sink (11), and are symmetrically arranged; the side wall of the first fixed plate (14) is fixedly connected to the transmission end of the first electric push rod (13); the side wall of the sealing plate (15) is fixedly connected to the side wall of the first fixed plate (14) close to the first electric push rod (13); the sealing plate (15) slides in the middle of the chip sink (11) close to the quenching box (1); the sealing gasket (16) is fixedly connected to the side wall of the sealing plate (15) away from the first fixed plate (14); the side wall of the chip sink (11) is provided with a fixing assembly.

3. A gear quenching equipment according to claim 2, characterized in that: The flushing assembly further comprises a rotating disc (21), a water distribution pipe (22), a first nozzle (23) and a second nozzle (24); the rotating disc (21) is fixedly connected to the end of the water inlet pipe (2) close to the debris pool (11); the water distribution pipe (22) is rotatably connected to the top of the rotating disc (21); the first nozzle (23) is fixedly connected to the side wall of the water distribution pipe (22); a plurality of groups of the first nozzles (23) are arranged on the side wall of the water distribution pipe (22) and are arranged diagonally; the second nozzles (24) are fixedly connected to the side wall of the water distribution pipe (22) away from the first nozzles (23); a plurality of groups of the second nozzles (24) are arranged on the side wall of the water distribution pipe (22); a water channel is arranged inside the rotating disc (21); the water inlet pipe (2) is connected to the water distribution pipe (22), the first nozzle (23) and the second nozzle (24) through the water channel inside the rotating disc (21).

4. The gear quenching equipment according to claim 1, characterized in that: The object-carrying assembly also includes a second electric push rod (31) and a mesh plate (32); the fixed frame (3) is arranged in multiple groups on the top of the quenching box (1), and is evenly distributed at the four corners of the top of the quenching box (1); the second electric push rod (31) is fixedly connected to the top of the fixed frame (3); the mesh plate (32) is fixedly connected to the transmission end of the second electric push rod (31); the mesh plate (32) slides inside the quenching box (1).

5. The gear quenching equipment according to claim 1, characterized in that: The cooling circulation component comprises a cooling water outlet pipe (4), a filter (41) and a cooling water supply pipe (42); the cooling water outlet pipe (4) is fixedly connected to the side wall of the quenching box (1); the cooling water supply pipe (42) is fixedly connected to the side wall of the quenching box (1) away from the cooling water outlet pipe (4); and the filter (41) is fixedly connected to the end of the cooling water outlet pipe (4) close to the quenching box (1).

6. The gear quenching equipment according to claim 2, characterized in that: The fixing assembly comprises a card (5) and a fixing pin (51); the card (5) is rotatably connected to the side wall of the chip sink (11); and the fixing pin (51) is fixedly connected to the side wall of the sealing cover (12) close to the card (5).

7. The gear quenching equipment according to claim 2, characterized in that: The sealing cover (12) is fixedly connected with a sealing ring (6) near the top of the chip sink (11).

8. A gear heat treatment system, applicable to a gear quenching device according to claims 1-7, characterized in that: The specific operation steps of the heat treatment system include: S1. Place the gear workpiece into a heating furnace for heating, raising the gear temperature to 800°C-850°C; S2. Put the heated gear into the quenching equipment. The gear contacts the coolant in the quenching equipment for rapid cooling. The coolant temperature is maintained at 65°C-95°C. S3. After the quenched gear is cooled, rinse off the coolant on the gear surface.

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