阅读说明：本技术 一种齿轮加工用淬火炉 (Quenching furnace for gear machining ) 是由 蒋亦卿 袁志峰 刘生磊 于 2020-06-08 设计创作，主要内容包括：本发明属于齿轮加工设备技术领域,具体涉及一种齿轮加工用淬火炉,包括支撑组件、倾斜组件、滑移组件、淬火组件和冷却组件；所述支撑组件包括底座、支撑板和两个固定块,所述底座上表面一侧固定连接有安装板,所述安装板呈倒“L”形,所述底座上表面另一侧固定连接有两个支撑杆；所述倾斜组件包括液压伸缩杆和第二转辊,所述底座上表面上靠近所述安装板的一侧设置有所述液压伸缩杆,所述液压伸缩杆顶部设置有所述支撑板,所述支撑板一端与所述第二转辊外表面固定连接,所述第二转辊的两端与两个所述支撑杆分别转动连接；本发明使得齿轮可边转动边进行淬火,可对齿轮进行全方位淬火,淬火效率高。(The invention belongs to the technical field of gear processing equipment, and particularly relates to a quenching furnace for gear processing, which comprises a supporting component, an inclined component, a sliding component, a quenching component and a cooling component, wherein the inclined component is arranged on the supporting component; the supporting component comprises a base, a supporting plate and two fixing blocks, wherein one side of the upper surface of the base is fixedly connected with an installation plate, the installation plate is in an inverted L shape, and the other side of the upper surface of the base is fixedly connected with two supporting rods; the inclined assembly comprises a hydraulic telescopic rod and a second rotary roller, the hydraulic telescopic rod is arranged on one side, close to the mounting plate, of the upper surface of the base, the supporting plate is arranged at the top of the hydraulic telescopic rod, one end of the supporting plate is fixedly connected with the outer surface of the second rotary roller, and two ends of the second rotary roller are respectively and rotatably connected with the two supporting rods; the invention can rotate and quench the gear, can quench the gear in all directions and has high quenching efficiency.)

1. A quenching furnace for gear machining is characterized in that: comprises a supporting component (1), an inclined component (2), a sliding component (3), a quenching component (4) and a cooling component (5);

the supporting component (1) comprises a base (11), a supporting plate (13) and two fixing blocks (15), wherein one side of the upper surface of the base (11) is fixedly connected with a mounting plate (12), the mounting plate (12) is in an inverted L shape, and the other side of the upper surface of the base (11) is fixedly connected with two supporting rods (14);

the inclined assembly (2) comprises a hydraulic telescopic rod (21) and a second rotating roller (26), the hydraulic telescopic rod (21) is arranged on one side, close to the mounting plate (12), of the upper surface of the base (11), the supporting plate (13) is arranged at the top of the hydraulic telescopic rod (21), one end of the supporting plate (13) is fixedly connected with the outer surface of the second rotating roller (26), and two ends of the second rotating roller (26) are respectively and rotatably connected with the two supporting rods (14);

the sliding assembly (3) comprises a sliding rail (31), one side of the upper surface of the supporting plate (13) close to the hydraulic telescopic rod (21) is fixedly connected with one fixing block (15), one side of the upper surface of the supporting plate (13) close to the second rotating roller (26) is detachably connected with another fixing block (15), the two fixing blocks (15) are rotatably connected with the sliding rail (31), two side walls of the sliding rail (31) are fixedly connected with rotating shafts (32), the rotating shafts (32) penetrate through the fixing blocks (15), the upper bottom surface and the lower bottom surface of the sliding rail (31) are provided with the same opening, the sliding rail (31) is in an I shape, sliding blocks (33) are symmetrically arranged in the two openings of the sliding rail (31), the sliding blocks (33) are movably connected with the sliding rail (31), and springs (35) are arranged in the sliding blocks (33), one end of the spring (35) is fixedly connected with a pressing plate (36), the pressing plate (36) penetrates through the sliding block (33), one end of the pressing plate (36) is fixedly connected with arc-shaped pressing blocks (37), and the two arc-shaped pressing blocks (37) are matched with the inner peripheral wall of the gear (6);

the quenching assembly (4) comprises a motor (42) and a limiting component (43), wherein the motor (42) is arranged on the side wall of one fixed block (15), the output end of the motor (42) is fixedly connected with the rotating shaft (32), and the limiting component (43) is used for limiting the gear (6) to further move on the sliding rail (31);

the cooling assembly (5) is arranged on the mounting plate (12) and the sliding rail (31), and the cooling assembly (5) is used for cooling the quenched gear (6).

2. The quenching furnace for gear processing according to claim 1, wherein: the inclined assembly (2) further comprises a first supporting block (22), the output end of the hydraulic telescopic rod (21) is fixedly connected with the first supporting block (22), the first supporting block (22) is in a reversed T shape, the first supporting block (22) is fixedly connected with a first rotating roller (23), one end of the first rotating roller (23) is hinged to a crank (24), the crank (24) is far away from a second supporting block (25) fixedly connected with one end of the first rotating roller (23), and the supporting plate (13) is placed on the upper surface of the second supporting block (25).

3. The quenching furnace for gear processing according to claim 1, wherein: the sliding assembly (3) further comprises rollers (34), the rollers (34) are mounted on two side walls of the sliding block (33), and the rollers (34) are connected with the inner end face of the opening of the sliding rail (31) in a rolling mode.

4. The quenching furnace for gear processing according to claim 1, wherein: quenching subassembly (4) still include flame projecting gun (41), one side that is close to hydraulic telescoping rod (21) on mounting panel (12) top surface is provided with a plurality of flame projecting gun (41), just flame projecting gun (41) run through mounting panel (12).

5. The quenching furnace for gear processing according to claim 4, wherein: the limiting part (43) is arranged on one side of the flame gun (41), the limiting part (43) comprises an electric push rod (431), the electric push rod (431) is arranged on the top surface of the mounting plate (12), the electric push rod (431) penetrates through the mounting plate (12), and a limiting block (432) is fixedly connected to the output end of the electric push rod (431).

6. The quenching furnace for gear processing according to claim 5, wherein: the cooling assembly (5) comprises a refrigerator (51), the refrigerator (51) is arranged on one side of the electric push rod (431), a nozzle (53) is arranged on the bottom surface of the refrigerator (51), a hose (54) is fixedly communicated with the bottom of the nozzle (53), a cooling barrel (55) is arranged on the slide rail (31) and located right below the nozzle (53), and the hose (54) is communicated with the cooling barrel (55).

7. The quenching furnace for gear processing according to claim 6, wherein: mounting panel (12) top upper surface just is located the quick-witted groove (121) that link up is seted up to one side of electric push rod (431), mounting panel (12) top lower surface just is located fixedly connected with ladder piece (52) respectively in the both sides of machine groove (121), refrigerator (51) run through machine groove (121), just refrigerator (51) are placed on two ladder pieces (52).

8. The quenching furnace for gear processing according to claim 6, wherein: the cooling cylinder (55) is of a cavity structure, a circular first through hole (551) is formed in the side face, close to the electric push rod (431), of the cooling cylinder (55), the diameter of the first through hole (551) is larger than the outer diameter of the gear (6), a circular second through hole (552) is formed in the side face, close to the supporting rod (14), of the cooling cylinder (55), and the inner peripheral wall of the second through hole (552) is fixedly installed on the sliding rail (31).

9. The quenching furnace for gear processing according to claim 1, wherein: the supporting component (1) further comprises a bearing (16), the bearing (16) is arranged in the fixed block (15), and the rotating shafts (32) are rotatably connected with the two fixed blocks (15) through the bearing (16).

10. The quenching furnace for gear processing according to claim 1, wherein: the bottom of the fixing block (15) close to the second rotary roller (26) is fixedly connected with an inserting block (151), and the upper surface of the supporting plate (13) is provided with a slot (131) corresponding to and matched with the inserting block (151).

Technical Field

The invention belongs to the technical field of gear machining equipment, and particularly relates to a quenching furnace for gear machining.

Background

Gear refers to a mechanical element on a rim with gears continuously engaged to transmit motion and power. The application of gears in transmission has appeared very early, and at the end of the 19 th century, the principle of generating the cutting method and the special machine tool and cutter for cutting teeth by using the principle are appeared successively, and the application of the gears is also more and more extensive.

However, in the production process in a gear shop, it is generally necessary to quench gears in order to obtain a martensite or bainite structure by martensitic or bainitic transformation of super-cooled austenite, and then to improve the rigidity, hardness, wear resistance, fatigue strength, toughness, and the like of the steel by a large margin in combination with tempering at different temperatures, thereby satisfying different use requirements of various machine parts and tools.

However, the conventional gear processing quenching furnace can only quench a single fixed gear, cannot quench a plurality of gears in all directions, has low quenching efficiency, and cannot rapidly cool the gear after quenching.

Disclosure of Invention

The invention provides a quenching furnace for gear machining, and aims to solve the problems that the traditional quenching furnace for gear machining in the background technology only can be used for quenching a single fixed gear, cannot be used for quenching a plurality of gears in all directions, is low in quenching efficiency, and cannot be used for rapidly cooling the gears after quenching.

In order to achieve the purpose, the invention provides the following technical scheme: a quenching furnace for gear machining comprises a supporting assembly, an inclined assembly, a sliding assembly, a quenching assembly and a cooling assembly;

the supporting component comprises a base, a supporting plate and two fixing blocks, wherein one side of the upper surface of the base is fixedly connected with an installation plate, the installation plate is in an inverted L shape, and the other side of the upper surface of the base is fixedly connected with two supporting rods;

the inclined assembly comprises a hydraulic telescopic rod and a second rotary roller, the hydraulic telescopic rod is arranged on one side, close to the mounting plate, of the upper surface of the base, the supporting plate is arranged at the top of the hydraulic telescopic rod, one end of the supporting plate is fixedly connected with the outer surface of the second rotary roller, and two ends of the second rotary roller are respectively and rotatably connected with the two supporting rods;

the sliding component comprises a slide rail, one side of the upper surface of the supporting plate close to the hydraulic telescopic rod is fixedly connected with the fixed block, one side of the upper surface of the supporting plate, which is close to the second rotating roller, is detachably connected with another fixed block, the sliding rail is rotatably connected between the two fixed blocks, the two side walls of the slide rail are fixedly connected with rotating shafts which penetrate through the fixed block, the upper bottom surface and the lower bottom surface of the slide rail are provided with the same openings, the slide rail is I-shaped, slide blocks are symmetrically arranged in two openings of the slide rail, the slide blocks are movably connected with the slide rail, a spring is arranged in the sliding block, one end of the spring is fixedly connected with a pressing plate, the pressing plate penetrates through the sliding block, one end of the pressing plate is fixedly connected with arc-shaped pressing blocks, and the two arc-shaped pressing blocks are matched with the inner peripheral wall of the gear;

the quenching assembly comprises a motor and a limiting component, wherein the motor is arranged on the side wall of one fixed block, the output end of the motor is fixedly connected with the rotating shaft, and the limiting component is used for limiting the gear to further move on the sliding rail;

the cooling assembly is arranged on the mounting plate and the slide rail and used for cooling the quenched gear.

Preferably, the slope subassembly still includes first piece, hydraulic telescoping rod output end fixedly connected with first piece, first piece is "T" shape, the first roller that changes of first piece top fixedly connected with, the one end of first roller that changes articulates has the crank, the crank is kept away from first one end fixedly connected with second piece of changing the roller, the backup pad place in on the second piece upper surface.

Preferably, the sliding assembly further comprises rollers, the rollers are mounted on two side walls of the sliding block, and the rollers are in rolling connection with the inner end face of the opening of the sliding rail.

Preferably, the quenching assembly further comprises a flame gun, one side of the top surface of the mounting plate, which is close to the hydraulic telescopic rod, is provided with a plurality of flame guns, and the flame guns penetrate through the mounting plate.

Preferably, the limiting part is arranged on one side of the flame gun and comprises an electric push rod, the electric push rod is arranged on the top surface of the mounting plate and penetrates through the mounting plate, and a limiting block is fixedly connected to the output end of the electric push rod.

Preferably, the cooling assembly comprises a refrigerator, the refrigerator is arranged on one side of the electric push rod, a nozzle is arranged on the bottom surface of the refrigerator, a hose is fixedly communicated with the bottom of the nozzle, a cooling cylinder is arranged on the slide rail and is located right below the nozzle, and the hose is communicated with the cooling cylinder.

Preferably, mounting panel top upper surface just is located the quick-witted groove that link up is seted up to one side of electric push rod, mounting panel top lower surface just is located the both sides difference fixedly connected with ladder piece in quick-witted groove, the refrigerator runs through the machine groove, just the refrigerator is placed on two ladder pieces.

Preferably, the cooling cylinder is of a cavity structure, a circular first through opening is formed in the side face, close to the electric push rod, of the cooling cylinder, the diameter of the first through opening is larger than the outer diameter of the gear, a circular second through opening is formed in the side face, close to the supporting rod, of the cooling cylinder, and the inner peripheral wall of the second through opening is fixedly mounted with the sliding rail.

Preferably, the supporting component further comprises a bearing, the bearing is arranged in the fixed block, and the two rotating shafts are rotatably connected with the two fixed blocks through the bearings.

Preferably, the bottom of the fixed block, which is close to the second rotary roller, is fixedly connected with an insertion block, and the upper surface of the supporting plate is provided with a slot corresponding to and matched with the insertion block.

Compared with the prior art, the invention has the beneficial effects that: the arc-shaped pressing blocks on the symmetrically arranged sliding blocks are contacted with the peripheral wall of the gear and compress the spring, the two arc-shaped pressing blocks can tightly press and fix the gear by the resilience force generated by the recovery deformation of the spring, and simultaneously the hydraulic telescopic rod is started to incline the supporting plate, thereby driving the slide rail to incline, the slide rail can slide downwards along the opening on the slide rail after the slide rail is inclined, thereby the gear is transported from one end to the other end along the slide rail, the limiting part can block the gear from further moving in the transportation process, so that the gear stays below the flame gun for quenching, and simultaneously the motor drives the rotating shaft to rotate to drive the sliding rail to rotate, thereby drive gear revolve, but the gear limit rotation is quenched simultaneously, can carry out all-round quenching to the gear, and quenching efficiency is high, and spacing part also finishes spacingly after quenching, and the gear after quenching carries out cooling cylinder and carries out quick cooling this moment, is convenient for can make the gear throw into the use after the quick cooling.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a side view of the gear of the present invention mounted on a slide rail;

FIG. 4 is a side view of a cooling cartridge of the present invention;

FIG. 5 is a side view of a cooling cartridge of the present invention;

FIG. 6 is a schematic view of the gear of the present invention during quenching;

FIG. 7 is a schematic view of the gear of the present invention as it cools;

FIG. 8 is a top view of the mounting plate of the present invention;

in the figure: 1-supporting component, 11-base, 12-mounting plate, 13-supporting plate, 131-slot, 14-supporting rod, 15-fixed block, 151-inserted block, 16-bearing, 2-inclined component, 21-hydraulic telescopic rod, 22-first supporting block, 23-first rotating roller, 24-crank, 25-second supporting block, 26-second rotating roller, 3-sliding component, 31-sliding rail, 32-rotating shaft, 33-sliding block, 34-roller, 35-spring, 36-pressing plate, 37-arc pressing block, 4-quenching component, 41-flame gun, 42-motor, 43-limiting component, 431-electric push rod, 432-limiting block, 5-cooling component, 51-refrigerating machine, refrigerating machine, 52-step block, 53-nozzle, 54-hose, 55-cooling cylinder, 551-first port, 552-second port, 6-gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a quenching furnace for gear machining comprises a supporting assembly 1, an inclined assembly 2, a sliding assembly 3, a quenching assembly 4 and a cooling assembly 5.

The supporting component 1 comprises a base 11, a supporting plate 13 and two fixing blocks 15, wherein a mounting plate 12 is fixedly connected to one side of the upper surface of the base 11, the mounting plate 12 is in an inverted L shape, and two supporting rods 14 are fixedly connected to the other side of the upper surface of the base 11.

Incline subassembly 2 and include hydraulic telescoping rod 21 and second commentaries on classics roller 26, and the one side that is close to mounting panel 12 on the base 11 upper surface is provided with hydraulic telescoping rod 21, and hydraulic telescoping rod 21 top is provided with backup pad 13, and backup pad 13 one end is changeed roller 26 external surface fixed connection with the second, and the both ends that the roller 26 was changeed to the second rotate respectively with two bracing pieces 14 and be connected.

The subassembly 3 that slides includes slide rail 31, be close to fixed block 15 of one side fixedly connected with of hydraulic telescoping rod 21 on the backup pad 13 upper surface, one side that is close to second on the backup pad 13 upper surface and changes roller 26 can be dismantled and be connected with another fixed block 15, it is connected with slide rail 31 to rotate between two fixed blocks 15, equal fixedly connected with pivot 32 on the both sides wall of slide rail 31, pivot 32 runs through fixed block 15, the bottom surface all has the same opening about slide rail 31, and slide rail 31 is "worker" font, the symmetry is provided with slider 33 in two openings of slide rail 31, slider 33 and slide rail 31 swing joint, be provided with spring 35 in the slider 33, the one end fixed connection clamp plate 36 of spring 35, clamp plate 36 runs through slider 33, the one end fixedly connected with arc briquetting 37 of clamp plate 36, two arc briquetting 37 all with the.

The quenching assembly 4 comprises a motor 42 and a limiting component 43, wherein the motor 42 is arranged on the side wall of one fixed block 15, the output end of the motor 42 is fixedly connected with the rotating shaft 32, and the limiting component 43 is used for limiting the gear 6 to further move on the sliding rail 31.

The cooling unit 5 is provided on the mounting plate 12 and the slide rail 31, and the cooling unit 5 is used for cooling the gear 6 after quenching.

In the embodiment, the mounting plate 12 is fixed on one side of the upper surface of the base 11 by welding, the two support rods 14 are fixed on the other side of the upper surface of the base 11 by welding, the quenching assembly 4 and the cooling assembly 5 can be installed on the top of the inverted L-shaped mounting plate 12, the two fixing blocks 15 are fixed on two sides of the upper surface of the support plate 13 by welding, the gear 6 to be quenched is installed on the slide rail 31, the inner peripheral wall of the gear 6 to be quenched extrudes the arc-shaped pressing block 37, the arc-shaped pressing block 37 enables the pressing plate 36 to compress the spring 35 in the sliding block 33, the spring 35 generates a resilience force after being compressed to enable the two arc-shaped pressing blocks 37 to tightly press and fix the gear 6 to be quenched, when the gear 6 to be quenched needs quenching, the hydraulic telescopic rod 21 is started to lift the support plate 13, because one side of the support plate 13 is installed and fixed on the second rotating roller 26, therefore, the slide rail 31 is driven to incline along with the slide rail 31, once the slide rail 31 inclines, the slide block 33 is movably connected with the slide rail 31, the slide block 33 is bound to move downwards along the inclined surface of the slide rail 31, the slide block 33 can drive the gear 6 to be quenched to move to the lower part of the quenching assembly 4 for quenching, meanwhile, the motor 43 drives the rotating shaft 32 to rotate, so that the slide rail 31 can also rotate along with the slide rail 31, the gear 6 can be quenched while rotating, the gear 6 is quenched in all directions, the limiting part 43 can limit the gear 6 to move further on the slide rail 31, the gear 6 to be quenched is quenched for a long time under the quenching assembly 4, once the gear 6 is quenched, the limiting part 43 stops limiting, and the gear 6 after quenching is cooled under the action of the cooling assembly 5.

Further, slope subassembly 2 still includes first prop 22, and hydraulic telescoping rod 21 output end fixedly connected with first prop 22, first prop 22 are "reverse osmosis type" shape, and first prop 22 top fixedly connected with changes roller 23, and first one end of changeing roller 23 articulates there is crank 24, and crank 24 keeps away from first one end fixedly connected with second prop 25 that changes roller 23, and backup pad 13 is placed on second prop 25 upper surface.

In the embodiment, in the process that the output end of the hydraulic telescopic rod 21 is lifted upwards, the supporting plate 13 is inclined, in order to enable the second supporting block 25 to be matched with the supporting plate 13 to be inclined, the crank 24 and one end of the first rotating roller 23 are rotated, one end of the reverse-T-shaped first supporting block 22 is fixedly connected with the output end of the hydraulic telescopic rod 21, and the other end of the reverse-T-shaped first supporting block 22 is used for supporting the first rotating roller 23.

Further, the sliding assembly 3 further comprises a roller 34, the rollers 34 are mounted on two side walls of the sliding block 33, and the roller 34 is connected with the inner end face of the opening of the sliding rail 31 in a rolling manner.

In the present embodiment, the rollers 34 mounted on both side walls of the slider 33 roll on the inner end surface of the opening of the slide rail 31, so that the slider 33 moves downward along the inclined surface of the slide rail 31.

Further, the quenching assembly 4 further comprises a flame gun 41, a plurality of flame guns 41 are arranged on one side, close to the hydraulic telescopic rod 21, of the top surface of the mounting plate 12, and the flame guns 41 penetrate through the mounting plate 12.

In the present embodiment, the plurality of torches 41 can torch the plurality of gears 6, and satisfy the work hardening operation of the gears 6.

Further, the limiting part 43 is arranged at one side of the plurality of flame guns 41, the limiting part 43 comprises an electric push rod 431, the electric push rod 431 is arranged on the top surface of the mounting plate 12, the electric push rod 431 penetrates through the mounting plate 12, and the output end of the electric push rod 431 is fixedly connected with a limiting block 432.

In this embodiment, the electric push rod 431 starts to work under the action of the external power source, and the output end of the electric push rod 431 pushes the limit block 432 downwards, so that the limit block 432 can block the moving gear 6, and now the gear 6 moves further, so that the flame gun 41 quenches the gear 6 for a long time.

Further, the cooling assembly 5 includes a refrigerator 51, the refrigerator 51 is disposed on one side of the electric push rod 431, a nozzle 53 is disposed on the bottom surface of the refrigerator 51, a hose 54 is fixedly communicated with the bottom of the nozzle 53, a cooling cylinder 55 is mounted on the slide rail 31 and located right below the nozzle 53, and the hose 54 is communicated with the cooling cylinder 55.

In the embodiment, after the gear 6 is quenched, the output end of the electric push rod 431 retracts the limit block 432 upwards, the gear 6 enters the cooling cylinder 55 after being relieved from the limit, the refrigerator 51 can produce cold air, the cold air can be transmitted to the hose 54 through the nozzle 53 and then enters the cooling cylinder 55, and the cold air can rapidly cool the gear 6 quenched in the cooling cylinder 55.

Further, a through machine groove 121 is formed in one side, located on the electric push rod 431, of the upper surface of the top of the mounting plate 12, stepped blocks 52 are fixedly connected to two sides, located on the machine groove 121, of the lower surface of the top of the mounting plate 12, respectively, the refrigerator 51 penetrates through the machine groove 121, and the refrigerator 51 is placed on the two stepped blocks 52.

In the present embodiment, the refrigerator 51 may be placed on the two step blocks 52 penetrating the refrigerator bath 121, and the two step blocks 52 may support the refrigerator 51.

Further, the cooling cylinder 55 is a cavity structure, a circular first through hole 551 is formed in the side surface of the cooling cylinder 55 close to the electric push rod 431, the diameter of the first through hole 551 is larger than the outer diameter of the gear 6, a circular second through hole 552 is formed in the side surface of the cooling cylinder 55 close to the support rod 14, and the inner peripheral wall of the second through hole 552 is fixedly installed on the slide rail 31.

In the present embodiment, the second port 552 is fixed to the slide rail 31 and the cooling cylinder 55, the first port 551 has a diameter larger than the outer diameter of the gear 6, and the gear 6 after quenching can be inserted into the cooling cylinder 55 through the first port 551.

Further, the support assembly 1 further comprises a bearing 16, the bearing 16 is arranged in the fixing block 15, and the two rotating shafts 32 are rotatably connected with the two fixing blocks 15 through the bearing 16.

In the present embodiment, the shaft 32 passes through the bearing 16 and is rotatable within the bearing 16.

Further, an insertion block 151 is fixedly connected to the bottom of the fixing block 15 close to the second rotating roller 26, and a slot 131 corresponding to and matched with the insertion block 151 is formed in the upper surface of the support plate 13.

In this embodiment, when the fixing block 15 close to the second rotating roller 26 is mounted, the insertion block 151 at the bottom of the fixing block 15 is inserted into the insertion groove 131, and the fixing block 15 is easily detached, so that the gear 6 after quenching is easily taken out.

The working principle and the using process of the invention are as follows: after the gear quenching device is installed, a gear 6 to be quenched is installed on a sliding rail 31, an arc-shaped pressing block 37 is extruded by the inner peripheral wall of the gear 6 to be quenched, the arc-shaped pressing block 37 enables a pressing plate 36 to compress a spring 35 in a sliding block 33, the spring 35 is compressed to generate a resilience force to enable two arc-shaped pressing blocks 37 to tightly press and fix the gear 6 to be quenched, when the gear 6 to be quenched needs quenching, a hydraulic expansion rod 21 is started to lift a supporting plate 13, one side of the supporting plate 13 is installed and fixed on a second rotating roller 26, the second rotating roller 26 can be rotatably connected with two supporting rods 14, the supporting plate 13 is inclined and lifted at the moment, so that the sliding rail 31 is driven to incline, once the sliding rail 31 inclines, the sliding block 33 is movably connected with the sliding rail 31, the sliding block 33 tends to move downwards along the inclined surface of the sliding rail 31, and the sliding block 33 can drive the gear 6 to be quenched, meanwhile, the motor 43 drives the rotating shaft 32 to rotate, so that the sliding rail 31 can rotate along with the rotating shaft, the gear 6 can be quenched while rotating, the gear 6 is quenched in an all-dimensional mode, the limiting part 43 can limit the gear 6 to further move on the sliding rail 31, the gear 6 to be quenched is quenched for a long time under the quenching assembly 4, after the gear 6 is quenched, the limiting part 43 stops limiting, and the gear 6 after quenching is cooled under the action of the cooling assembly 5.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.