Quenching device for large forgings

Abstract

The utility model relates to the technical field of forging, in particular to a quenching device for large forgings, which not only can fish out an oxide layer in quenching liquid to prevent the oxide layer from influencing subsequent quenching, but also can cool the quenching liquid to prevent the temperature of the liquid from rising to influence the quenching effect after multiple times of quenching. Comprising a quenching mechanism; the device further comprises a transferring mechanism, two clamping mechanisms, a scooping net mechanism and a cooling mechanism, the transferring mechanism is installed on the quenching mechanism and drives the forge piece to rotate, the two clamping mechanisms are both installed on the transferring mechanism and clamp the forge piece, and the scooping net mechanism is installed on the quenching mechanism and scoops out an oxide layer. And the cooling mechanism is mounted on the quenching mechanism and is used for cooling the quenching liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of forging, in particular to a quenching device for large forgings. Background Art

[0002] Quenching is a metal heat treatment method that refers to heating the metal workpiece to an appropriately high temperature, maintaining it for a period of time, and then rapidly cooling it. This process will cause the internal structure of the metal workpiece to change, thereby improving its hardness, strength and wear resistance.

[0003] Existing quenching devices, such as the quenching device for large forgings disclosed in the utility model patent with application number 201921655251.8, have a main structure including a base mounting plate, the base mounting plate is provided with a quenching tank, one side of the quenching tank is provided with a water outlet valve, the outside of the quenching tank is provided with a temperature regulating tank, the temperature regulating tank is combined with an external water storage unit through a water pump, the temperature regulating tank is connected to the purification box through a conduit, the base mounting plate is symmetrically provided with a first hydraulic telescopic rod, one side of the first hydraulic telescopic rod is provided with a mounting seat, the upper surface of the mounting seat is symmetrically provided with slide rails, a slide seat is provided between the slide rails, a bracket plate is provided on one side of the slide seat, and the outer side of the bracket plate is provided with a second hydraulic telescopic rod; when in use, the water pump transports the liquid of the water storage unit to the water storage unit, and the water pump pumps the liquid into the water storage unit. Send it into the temperature regulating tank, start the hydraulic pump, and operate the second hydraulic telescopic rod to drive the clamping plate to move and then clamp the forging to be quenched. At the same time, the first hydraulic telescopic rod is running and descends. When it drops to the appropriate position, the second hydraulic telescopic rod is loosened, and the forging to be quenched is placed in the quenching tank filled with quenching liquid. At this time, the temperature fed back by the thermometer is used to transport water of different temperatures from the water storage unit into the temperature regulating tank through a water pump, so that the quenching temperature should not be too high or too low. After the quenching process is completed, the second hydraulic telescopic rod is operated to clamp the quenched forging, and the first hydraulic telescopic rod rises for transportation. After quenching for a period of time, the valve body is opened, and the quenching liquid enters the purification box, where the quenching liquid is filtered and impurities are removed, thereby discharging the quenching liquid.

[0004] However, in the existing quenching device, the oxide layer produced by the forging during quenching is easily left in the quenching liquid and is difficult to remove, which affects the subsequent quenching effect. Moreover, after long-term use, the temperature of the quenching liquid increases, which affects the quenching effect. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a quenching device for large forgings which can not only remove the oxide layer in the quenching liquid to prevent the oxide layer from affecting subsequent quenching, but also cool the quenching liquid to prevent the liquid temperature from rising after multiple quenchings and affecting the quenching effect.

[0006] The utility model discloses a quenching device for large forgings, comprising a quenching mechanism; a transfer mechanism, two groups of clamping mechanisms, a scooping mechanism and a cooling mechanism, wherein the transfer mechanism is installed on the quenching mechanism and drives the forgings to rotate, the two groups of clamping mechanisms are installed on the transfer mechanism and clamp the forgings, the scooping mechanism is installed on the quenching mechanism and scoops out the oxide layer, and the cooling mechanism is installed on the quenching mechanism and dissipates heat for the quenching liquid; the clamping mechanism clamps a group of forgings, the transfer mechanism drives the clamping mechanism to rotate and places the forgings in the quenching liquid for quenching, and after tempering is completed, the transfer mechanism drives the clamping mechanism and the forgings to rotate again and transfers the forgings to the next step, and at the same time the scooping mechanism scoops out the oxide layer in the quenching liquid, and the cooling mechanism circulates and cools the quenching liquid.

[0007] Preferably, the quenching mechanism includes a water trough, two groups of baffles and multiple groups of conveying rollers. The bottom end of the water trough is installed on the ground, a cavity is provided inside the water trough, a feed port is opened at the top of the water trough, the bottom ends of the two groups of baffles are connected to the bottom end of the water trough, and the multiple groups of conveying rollers are rotatably installed between the two groups of baffles; the cavity of the water trough is filled with quenching liquid, the multiple groups of conveying rollers rotate to convey the forgings to the feed port of the water trough, and then the clamping mechanism clamps the forgings, and the transfer mechanism drives the clamping mechanism and the forgings into the quenching liquid for quenching. After quenching is completed, the transfer mechanism drives the clamping mechanism and the forgings to continue to rotate and place the forgings on the conveying rollers to continue to convey them forward.

[0008] Preferably, the transfer mechanism includes a servo motor, a reducer, a transmission shaft and four groups of hydraulic cylinders. The servo motor is installed on the outer wall of the water tank, the reducer is installed on the outer wall of the water tank, the transmission shaft is rotatably installed between two groups of baffles and longitudinally connected to the reducer, and the four groups of hydraulic cylinders are installed on the transmission shaft in pairs; when the clamping mechanism grabs the forging, the hydraulic cylinder contracts to drive the clamping mechanism to move, and then the servo motor is started, and the servo motor drives the transmission shaft to rotate downward ninety degrees through the reducer, and then the hydraulic cylinder pushes the clamping mechanism and the forging to be immersed in the quenching liquid for quenching. After quenching is completed, the hydraulic cylinder contracts to lift the clamping mechanism and the forging, and then the servo motor drives the transmission shaft to continue to rotate ninety degrees through the reducer, and the hydraulic cylinder pushes the clamping mechanism to place the forging on the conveying roller on the other side for forward transmission.

[0009] Preferably, the clamping mechanism includes a heat insulation plate, a hydraulic cylinder 2, a heat insulation pad, four groups of hydraulic cylinders 3, four groups of springs and two groups of clamping plates. The bottom end of the heat insulation plate is connected to the top end of the two groups of hydraulic cylinders 1. Grooves are provided on the left and right sides of the heat insulation plate. The hydraulic cylinder 2 is installed on the heat insulation plate. The bottom end of the heat insulation pad is connected to the top end of the hydraulic cylinder 2. The two groups of hydraulic cylinders 3 are relatively installed in the grooves on the same side. The two groups of springs are respectively mounted on the two groups of hydraulic cylinders 3. The bottom end of the clamping plate is connected to the top end of the two groups of hydraulic cylinders 3. The two groups of relatively installed hydraulic cylinders 3 extend at the same time so that the upper and lower groups of clamping plates clamp the forging. When the quenching of the forging is completed, the hydraulic cylinder 3 contracts, and the hydraulic cylinder 2 is started at the same time. The hydraulic cylinder 2 pushes the heat insulation pad to push the forging away from the clamping plate, and pushes the forging onto the conveying roller for forward transmission.

[0010] Preferably, the scooping net mechanism includes servo motor 2, reducer 2, transmission shaft 2, steering gear, two sets of rotating shafts and two sets of scooping nets, servo motor 2 is installed on the outer wall of the water tank, reducer 2 is installed on the outer wall of the water tank, transmission shaft 2 is rotatably installed on reducer 2, steering gear is installed on the outer wall of the water tank, both sets of rotating shafts are rotatably installed in the cavity of the water tank and are longitudinally connected to reducer 2 and steering gear respectively, and two sets of scooping nets are respectively installed on the two sets of rotating shafts; start servo motor 2, servo motor 2 drives transmission shaft 2 to rotate through reducer 2, transmission shaft 2 drives rotating shaft to rotate through steering gear, and reducer 2 drives another set of rotating shafts to rotate at the same time, and the two sets of rotating shafts drive the two sets of scooping nets to rotate outward to scoop out the oxide layer in the quenching liquid.

[0011] Preferably, the cooling mechanism includes a water tank, a radiator, a filter plate, a water pump, a suction pipe and a return pipe. The bottom end of the water tank is installed on the ground, the top end of the radiator is connected to the bottom end of the water tank and communicates with the interior of the water tank cavity, the filter plate is installed in the water tank, the water pump is installed on the outer wall of the water tank, the suction pipe is installed on the water pump and communicates with the interior of the water tank, and the return pipe is installed on the water pump and communicates with the interior of the water tank cavity; the quenching liquid enters the water tank after the heat is dissipated by the radiator, and then the oxide layer still remaining in the quenching liquid is filtered out by the filter plate, the water pump is started, the water pump extracts the filtered and cooled quenching liquid through the suction pipe, and then returns it to the cavity of the water tank again through the reflux pipe to ensure the stock of the quenching liquid in the cavity of the water tank.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the clamping mechanism clamps a group of forgings, the transfer mechanism drives the clamping mechanism to rotate and places the forgings in the quenching liquid for quenching, and after tempering is completed, the transfer mechanism drives the clamping mechanism and the forgings to rotate again to transfer the forgings to the next step, while the scooping net mechanism scoops out the oxide layer in the quenching liquid, and the cooling mechanism circulates and cools the quenching liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross-section axonometric structure of the quenching mechanism, the transfer mechanism, the clamping mechanism and the scooping mechanism of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-section axonometric structure of the transfer mechanism and the scooping net mechanism of the utility model;

[0016] Figure 4 It is a partially enlarged cross-sectional axonometric structural schematic diagram of the clamping mechanism of the utility model;

[0017] Figure 5 It is a partially enlarged cross-sectional axonometric structural schematic diagram of the cooling mechanism of the utility model.

[0018] Markings in the attached drawings: 01, quenching mechanism; 11, water tank; 12, baffle; 13, conveying roller; 02, transfer mechanism; 21, servo motor one; 22, reducer one; 23, transmission shaft one; 24, hydraulic cylinder one; 03, clamping mechanism; 31, heat insulation board; 32, hydraulic cylinder two; 33, heat insulation pad; 34, hydraulic cylinder three; 35, spring; 36, clamping plate; 04, scooping net mechanism; 41, servo motor two; 42, reducer two; 43, transmission shaft two; 44, steering gear; 45, rotating shaft; 46, scooping net; 05, cooling mechanism; 51, water tank; 52, radiator; 53, filter plate; 54, water pump; 55, suction pipe; 56, reflux pipe. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example 1

[0021] The utility model discloses a quenching device for large forgings, comprising a quenching mechanism 01; a transfer mechanism 02, two groups of clamping mechanisms 03, a scooping mechanism 04 and a cooling mechanism 05, wherein the transfer mechanism 02 is installed on the quenching mechanism 01 and drives the forgings to rotate, the two groups of clamping mechanisms 03 are installed on the transfer mechanism 02 and clamp the forgings, the scooping mechanism 04 is installed on the quenching mechanism 01 and scoops out the oxide layer, and the cooling mechanism 05 is installed on the quenching mechanism 01 and dissipates the heat of the quenching liquid; the quenching mechanism 01 comprises a water tank 11, two groups of baffles 12 and multiple groups of conveying rollers 13, and the bottom end of the water tank 11 The water tank 11 is installed on the ground, a cavity is arranged inside the water tank 11, a feed port is opened at the top of the water tank 11, the bottom ends of the two groups of baffles 12 are connected to the bottom end of the water tank 11, and multiple groups of conveying rollers 13 are rotatably installed between the two groups of baffles 12; the transfer mechanism 02 includes a servo motor 21, a reducer 22, a transmission shaft 23 and four groups of hydraulic cylinders 24, the servo motor 21 is installed on the outer wall of the water tank 11, the reducer 22 is installed on the outer wall of the water tank 11, the transmission shaft 23 is rotatably installed between the two groups of baffles 12 and longitudinally connected to the reducer 22, and the four groups of hydraulic cylinders 24 are installed in pairs. The hydraulic cylinder 2 is relatively installed on the transmission shaft 23; the clamping mechanism 03 includes a heat insulation plate 31, a hydraulic cylinder 2 32, a heat insulation pad 33, four groups of hydraulic cylinders 34, four groups of springs 35 and two groups of clamping plates 36. The bottom end of the heat insulation plate 31 is connected to the top of the two groups of hydraulic cylinders 24. The left and right sides of the heat insulation plate 31 are provided with grooves. The hydraulic cylinder 2 32 is installed on the heat insulation plate 31. The bottom end of the heat insulation pad 33 is connected to the top of the hydraulic cylinder 2 32. The two groups of hydraulic cylinders 34 are relatively installed in the grooves on the same side. The two groups of springs 35 are respectively mounted on the two groups of hydraulic cylinders 34. The bottom end of the clamping plate 36 is connected to the two groups of hydraulic cylinders 3 34 is connected to the top; the scooping net mechanism 04 includes a servo motor 2 41, a reducer 2 42, a transmission shaft 2 43, a steering gear 44, two sets of rotating shafts 45 and two sets of scooping nets 46, the servo motor 2 41 is installed on the outer wall of the water tank 11, the reducer 2 42 is installed on the outer wall of the water tank 11, the transmission shaft 2 43 is rotatably installed on the reducer 2 42, the steering gear 44 is installed on the outer wall of the water tank 11, the two sets of rotating shafts 45 are rotatably installed in the cavity of the water tank 11 and are respectively longitudinally connected to the reducer 2 42 and the steering gear 44, and the two sets of scooping nets 46 are respectively installed on the two sets of rotating shafts 45;When it is working, first, the cavity of the water tank 11 is filled with quenching liquid, and multiple groups of conveying rollers 13 rotate to convey the forgings to the feeding port of the water tank 11, then the cavity of the water tank 11 is filled with quenching liquid, and multiple groups of conveying rollers 13 rotate to convey the forgings to the feeding port of the water tank 11, and the hydraulic cylinder 24 contracts to drive the clamping mechanism 03 to move, and then the servo motor 21 is started, and the servo motor 21 drives the transmission shaft 23 to rotate downward ninety degrees through the reducer 22, and then the hydraulic cylinder 24 pushes the clamping mechanism 03 and the forging to be immersed in the quenching liquid for quenching. After the quenching is completed, the hydraulic cylinder 24 contracts to clamp the clamping mechanism 03 The forging is brought out, and then the servo motor 1 21 drives the transmission shaft 1 23 through the reducer 1 22 to continue to rotate 90 degrees, the hydraulic cylinder 2 32 is started, the hydraulic cylinder 2 32 pushes the insulation pad 33 to push the forging away from the clamping plate 36, and pushes the forging to the conveying roller 13 for forward transmission, and at the same time the servo motor 2 41 is started, the servo motor 2 41 drives the transmission shaft 2 43 to rotate through the reducer 2 42, the transmission shaft 2 43 drives the rotating shaft 45 to rotate through the steering gear 44, and at the same time the reducer 2 42 drives another set of rotating shafts 45 to rotate, and the two sets of rotating shafts 45 drive the two sets of scoop nets 46 to rotate outward to scoop out the oxide layer in the quenching liquid. ;

[0022] Example 2

[0023] like Figures 1 to 5As shown, a quenching device for large forgings of the utility model is based on Example 1; the cooling mechanism 05 includes a water tank 51, a radiator 52, a filter plate 53, a water pump 54, a water pumping pipe 55 and a return pipe 56, the bottom end of the water tank 51 is installed on the ground, the top end of the radiator 52 is connected to the bottom end of the water tank 11 and communicates with the cavity of the water tank 11, the filter plate 53 is installed in the water tank 51, the water pump 54 is installed on the outer wall of the water tank 11, the water pumping pipe 55 is installed on the water pump 54 and communicates with the inside of the water tank 51, and the return pipe 56 It is installed on the water pump 54 and connected with the cavity of the water tank 11; when it is working, first, the cavity of the water tank 11 is filled with quenching liquid, and multiple groups of conveying rollers 13 rotate to convey the forgings to the feed inlet of the water tank 11, then the cavity of the water tank 11 is filled with quenching liquid, and multiple groups of conveying rollers 13 rotate to convey the forgings to the feed inlet of the water tank 11, and the hydraulic cylinder 24 contracts to drive the clamping mechanism 03 to move, and then the servo motor 21 is started, and the servo motor 21 drives the transmission shaft 23 to rotate downward by ninety degrees through the reducer 22, and then the hydraulic cylinder 24 is retracted. 24 pushes the clamping mechanism 03 and the forging to be immersed in the quenching liquid for quenching. After the quenching is completed, the hydraulic cylinder 24 contracts to lift the clamping mechanism 03 and the forging. Then the servo motor 21 drives the transmission shaft 23 to continue to rotate ninety degrees through the reducer 22. The hydraulic cylinder 2 32 is started. The hydraulic cylinder 2 32 pushes the insulation pad 33 to push the forging away from the clamping plate 36, and pushes the forging to the conveying roller 13 for forward transmission. At the same time, the servo motor 2 41 is started. The servo motor 2 41 drives the transmission shaft 2 43 to rotate through the reducer 2 42. The transmission shaft 2 43 passes through the steering gear 44 drives the rotating shaft 45 to rotate, and at the same time, the reducer 2 42 drives another set of rotating shafts 45 to rotate. The two sets of rotating shafts 45 drive the two sets of scooping nets 46 to rotate outward to scoop out the oxide layer in the quenching liquid. The quenching liquid enters the water tank 51 after dissipating heat through the radiator 52, and then the oxide layer still remaining in the quenching liquid is filtered out through the filter plate 53. The water pump 54 is started, and the water pump 54 extracts the filtered and cooled quenching liquid through the pumping pipe 55, and then returns it to the cavity of the water tank 11 through the reflux pipe 56 to ensure the stock of the quenching liquid in the cavity of the water tank 11.

[0024] The servo motor 21, reducer 22, servo motor 41, reducer 42 and water pump 54 of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative efforts.

[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A quenching device for large forgings, comprising a quenching mechanism (01); characterized in that: It also includes a transfer mechanism (02), two groups of clamping mechanisms (03), a scooping mechanism (04) and a cooling mechanism (05), wherein the transfer mechanism (02) is installed on the quenching mechanism (01) and drives the forging to rotate, the two groups of clamping mechanisms (03) are installed on the transfer mechanism (02) and clamp the forging, the scooping mechanism (04) is installed on the quenching mechanism (01) and scoops out the oxide layer, and the cooling mechanism (05) is installed on the quenching mechanism (01) and dissipates heat from the quenching liquid; The quenching mechanism (01) comprises a water tank (11), two groups of baffles (12) and a plurality of groups of conveying rollers (13); the bottom end of the water tank (11) is installed on the ground; a cavity is provided inside the water tank (11); a feed port is provided at the top of the water tank (11); the bottom ends of the two groups of baffles (12) are connected to the bottom end of the water tank (11); and the plurality of groups of conveying rollers (13) are rotatably installed between the two groups of baffles (12); The cooling mechanism (05) comprises a water tank (51), a radiator (52), a filter plate (53), a water pump (54), a water suction pipe (55) and a return pipe (56); the bottom end of the water tank (51) is installed on the ground; the top end of the radiator (52) is connected to the bottom end of the water tank (11) and communicates with the interior of the cavity of the water tank (11); the filter plate (53) is installed in the water tank (51); the water pump (54) is installed on the outer wall of the water tank (11); the water suction pipe (55) is installed on the water pump (54) and communicates with the interior of the water tank (51); and the return pipe (56) is installed on the water pump (54) and communicates with the interior of the cavity of the water tank (11).

2. A quenching device for large forgings according to claim 1, characterized in that: The transfer mechanism (02) comprises a servo motor (21), a reducer (22), a transmission shaft (23) and four groups of hydraulic cylinders (24). The servo motor (21) is mounted on the outer wall of the water tank (11), the reducer (22) is mounted on the outer wall of the water tank (11), the transmission shaft (23) is rotatably mounted between the two groups of baffles (12) and is longitudinally connected to the reducer (22), and the four groups of hydraulic cylinders (24) are mounted on the transmission shaft (23) in pairs.

3. A quenching device for large forgings as claimed in claim 2, characterized in that: The clamping mechanism (03) comprises a heat insulating plate (31), a hydraulic cylinder 2 (32), a heat insulating pad (33), four groups of hydraulic cylinder 3 (34), four groups of springs (35) and two groups of clamping plates (36). The bottom end of the heat insulating plate (31) is connected to the top end of the two groups of hydraulic cylinder 1 (24). The heat insulating plate (31) has grooves on the left and right sides. The hydraulic cylinder 2 (32) is installed on the heat insulating plate (31). The bottom end of the heat insulating pad (33) is connected to the top end of the hydraulic cylinder 2 (32). The two groups of hydraulic cylinder 3 (34) are relatively installed in the grooves on the same side. The two groups of springs (35) are respectively mounted on the two groups of hydraulic cylinder 3 (34). The bottom end of the clamping plate (36) is connected to the top end of the two groups of hydraulic cylinder 3 (34).

4. A quenching device for large forgings according to claim 1, characterized in that: The scooping net mechanism (04) comprises a servo motor (41), a reducer (42), a transmission shaft (43), a steering gear (44), two sets of rotating shafts (45) and two sets of scooping nets (46). The servo motor (41) is mounted on the outer wall of the water tank (11), the reducer (42) is mounted on the outer wall of the water tank (11), the transmission shaft (43) is rotatably mounted on the reducer (42), the steering gear (44) is mounted on the outer wall of the water tank (11), the two sets of rotating shafts (45) are both rotatably mounted in the cavity of the water tank (11) and are respectively longitudinally connected to the reducer (42) and the steering gear (44), and the two sets of scooping nets (46) are respectively mounted on the two sets of rotating shafts (45).

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