CN113584292B - Induction hardening equipment - Google Patents

Abstract

The invention relates to the technical field of quenching methods and quenching equipment, and discloses an induction heating quenching method and quenching equipment, which comprise the following steps: s1: horizontally lifting the roller to a conveying chain by using a lifter to convey materials; s2: controlling the two parts to be positioned on the same straight line by adopting an arranging device at the tail end of the conveying chain, clamping the two arranged workpieces to a station by adopting a workpiece hand, and conveying the workpieces to a quenching device for quenching; s3: after the quenching is finished, the workpiece to be quenched is clamped on one side of the workpiece hand, the quenched workpiece is clamped on the other side of the workpiece hand, and when the workpiece to be quenched is clamped and conveyed to the quenching station, the quenched workpiece on the other side is placed into the material collecting device. According to the full-automatic feeding device, the workpiece is horizontally lifted to the conveying chain by the lifting machine, full-automatic feeding operation can be realized, the arrangement device can realize positioning rotation of the roller through the matching use of each sensor and the air cylinder, and the mode can greatly improve the strength, hardness, wear resistance, fatigue strength, toughness and the like of the roller.

Description

Induction heating quenching equipment

Technical Field

The invention relates to the technical field of quenching methods and equipment, in particular to induction heating quenching equipment.

Background

The purpose of quenching is to transform the super-cooled austenite into martensite or bainite to obtain martensite or bainite structure, and then to improve the strength, hardness, wear resistance, fatigue strength, toughness, etc. of the steel by tempering at different temperatures, thereby satisfying different use requirements of various mechanical parts and tools. The special physical and chemical properties of ferromagnetism, corrosion resistance and the like of certain special steel can be met through quenching.

The invention patent with the publication number of CN104120218B discloses a large-scale rotary support/turntable bearing raceway type soft-belt-free induction quenching device, which comprises a circular frame, two coaxially-mounted circular raceways and an automatic centering chuck; a first induction hardening device and a second induction hardening device are respectively arranged on the two circular raceways; the third quenching nozzle is also included; in the initial position, the first induction hardening device and the second induction hardening device are simultaneously positioned at the initial zero point; the traveling end points of the first induction hardening device and the second induction hardening device are positioned at symmetrical points which are symmetrical about the center of the annular frame, and the third quenching nozzle is positioned at the end point; during quenching, the first induction quenching device and the second induction quenching device respectively travel from the zero point to the opposite directions to the end point; the invention solves the problem of soft induction quenching belt on the inner and outer circular surfaces of the existing large circular ring parts, improves the quality of the parts, prolongs the service life of the parts, and reduces the production cost and the maintenance cost. However, the quenching device in the invention can not realize a full-automatic production line type quenching process, and only a single workpiece can be processed at one time, and the quenching process can not be carried out in all directions by adopting the device for the special-shaped workpiece such as the workpiece with bulges at two ends, so that the property difference of each part of the workpiece is large, and the workpiece is easy to generate the phenomena of cracks, fracture or uneven toughness.

Disclosure of Invention

The invention aims to provide an induction heating quenching method and quenching equipment, which have the effects of full-automatic feeding and uniform workpiece heating.

The technical purpose of the invention is realized by the following technical scheme: an induction hardening method comprising the steps of:

s1: horizontally lifting the roller to a conveying chain by using a lifter to convey materials;

s2: controlling two workpieces to be positioned on the same straight line by using an arranging device at the tail end of the conveying chain, clamping the two arranged workpieces to a station by using a workpiece hand, and conveying the workpieces to a quenching device for quenching;

s3: after quenching is finished, one side of the workpiece hand clamps the workpiece to be quenched, the other side of the workpiece hand clamps the quenched workpiece, and when the workpiece to be quenched is clamped and conveyed to the quenching station, the quenched workpiece on the other side of the workpiece hand is placed into the material collecting device.

The invention is further configured as follows: the quenching temperature in the step S2 is 850-900 ℃, the quenching time is 3-5S, and the hardness of the inner surface and the outer surface of the roller after quenching is HRC45-50.

The invention is further configured as follows: including frame, lifting machine and setting be in transfer chain, collating unit, work piece hand, quenching work piece, the device that gathers materials in the frame, the lifting machine sets up the one end of transfer chain, collating unit sets up the transfer chain is kept away from the one end of lifting machine, the work piece hand is located collating unit, the quenching work piece includes quenching frame, sliding connection and is in quenching platform on the quenching frame, setting are in placing the platform on the quenching platform, fixed setting are in quenching coil, setting in the frame quench the frame with the quenching cylinder on the quenching platform, the drive of quenching cylinder the quenching platform is followed quenching frame up-and-down motion.

Through adopting above-mentioned technical scheme, can realize adopting the lifting machine to promote the material to the transfer chain, can realize full automatic feeding's operation, and can form the state that the level was placed with the material of conveying in the promotion in-process, this mode can make things convenient for picking up of follow-up work piece hand in back, collating unit can use the location that can realize the gyro wheel through the cooperation of each inductor and cylinder to discharge, the follow-up quenching processing of being convenient for, the setting of quenching work piece is put into quenching coil inside with two gyro wheels, and a lot of apopores have been seted up in the inside of quenching coil, after the quick high temperature heating gyro wheel of quenching coil, can carry out the annealing step to the gyro wheel at once, this mode can improve the intensity of gyro wheel by a wide margin, hardness, wear resistance, fatigue strength and toughness etc.

The invention is further provided with: the collating unit is including setting up at locating part, material pushing part, spacing slide, the locating part is including setting up spacing cylinder, the connection of transfer link side are in the gag lever post of spacing cylinder tip, gag lever post direction of motion with transfer link direction of motion is perpendicular, material pushing part is including setting up material pushing cylinder, setting in the frame are in material pushing cylinder tip pushes away the material piece, material pushing part sets up the locating part is kept away from the transfer link top of lifting machine one side, material pushing cylinder drives material pushing piece will the gyro wheel propelling movement arrives in the spacing slide.

The invention is further provided with: the arranging device further comprises a positioning piece, the limiting slide comprises a horizontal slide and a vertical slide, the horizontal slide is parallel to the motion direction of the conveying chain, the vertical slide is arranged at a position where the horizontal slide is far away from one end of the pushing piece and parallel to the horizontal slide, the positioning piece comprises a first positioning cylinder and a second positioning cylinder, the first positioning cylinder is arranged at one end of the horizontal slide, the second positioning cylinder is arranged at one end of the vertical slide, the vertical slide is close to the second positioning cylinder at one end of the horizontal slide, the first positioning cylinder is parallel to the horizontal slide, and the second positioning cylinder is parallel to the horizontal slide.

The invention is further provided with: the workpiece hand comprises a cross rod arranged on the rack, a sliding rail arranged on the cross rod, a sliding connection, two clamping frames arranged on the sliding rail, a movable air cylinder arranged on the clamping frames, and a clamping hand connected to the lower end of the clamping frame in a sliding manner, wherein the clamping frames are connected through a connecting rod, each clamping frame comprises a frame body and two frame arms connected to the lower side of the frame body, the frame arms are connected to two opposite sides of the cross rod in a sliding manner respectively, the clamping hands are connected to two outer sides of the frame arms in a sliding manner, the movable air cylinder drives the clamping hand to move up and down along the frame arms, the clamping hands are connected through connecting frames, the upper end of each connecting frame is connected with the end of the movable air cylinder, a transverse air cylinder is arranged on the rack, the transverse air cylinder is connected with the frame body, and the clamping frames are driven to move along the sliding rail.

The invention is further provided with: the clamping hand comprises a sliding plate, a first double-head cylinder and clamping plates, wherein the sliding plate is connected to the frame arm in a sliding mode, the first double-head cylinder is fixedly connected to the bottom of the sliding plate, the clamping plates are connected to two ends of the first double-head cylinder, and the first double-head cylinder drives the two clamping plates to be close to or far away from each other.

The invention is further provided with: the collecting device comprises a sliding groove connected to the rack, the sliding groove is located under the clamping frame, and a collecting frame is arranged at the end of the sliding groove.

The invention is further provided with: the turnover mechanism is characterized in that a turnover part is arranged on the rack, the turnover part comprises a turnover frame arranged on the rack, a turnover plate slidably connected to the turnover frame, and a pushing cylinder arranged on the turnover frame and used for driving the turnover plate to move towards the roller and connected with the pushing cylinder and close to two turnover claws arranged on one side of the roller, and the end parts of the turnover claws are connected to the turnover plate through a rotary cylinder.

The invention is further configured as follows: the upset claw includes fixed connection and is in the rotor plate of revolving cylinder tip, connect double-end cylinder two on the rotor plate, connect the clamping jaw at double-end cylinder both ends, two drives of double-end cylinder are two the clamping jaw is close to or keeps away from.

The invention has the beneficial effects that:

1. according to the invention, the material is lifted to the conveying chain by the lifter, the full-automatic feeding operation can be realized, the conveyed material can be horizontally placed in the lifting process, the mode can facilitate the pickup of subsequent workpiece hands, the arrangement device can realize the positioning and the discharge of the rollers by the matching use of each inductor and the cylinder, the subsequent quenching processing is facilitated, the two rollers are placed in the quenching coil by the arrangement of the quenching workpiece, a plurality of water outlet holes are formed in the quenching coil, and the rollers can be immediately annealed after the quenching coil rapidly heats the rollers at high temperature.

2. According to the invention, the rollers are sequentially fed by adopting the arranging device, the disorder of simultaneous feeding of a plurality of rollers is avoided, when the first roller is conveyed to the end part of the conveying chain, the limiting cylinder in the limiting part drives the limiting rod to transversely block and block the subsequent rollers, at the moment, the pushing cylinder in the pushing piece pushes the pushing piece to push the rollers to the inside of the horizontal slideway, the positioning cylinder I at the end part of the vertical slideway pushes the rollers to move straight into the vertical slideway, the positioning cylinder II pushes the rollers to the end part of the vertical slideway, at the moment, the limiting cylinder in the limiting part retracts, the second roller is conveyed to the inside of the vertical slideway again, so that the two rollers are positioned at the two ends of the vertical slideway, the mode can realize the ordered conveying of the rollers, and the disorder of the workpiece conveying process is avoided.

3. The invention adopts two clamping frames to convey the rollers, the clamping frames on two sides can clamp the rollers which have undergone the quenching process and then fall into the slideway to be conveyed into the collecting frame during the feeding process of a group of rollers, and the clamping frames on the other side can clamp the rollers which have undergone the quenching process and then convey the rollers into the slideway.

4. According to the invention, the roller subjected to primary quenching is placed on the placing table after being turned by the turning device, and then secondary quenching is carried out, and because the protruding parts are arranged on the two ends of the roller in the axial direction, the lower protruding part is placed in the placing table during the quenching process, and the quenching process cannot be carried out, therefore, the roller is turned by the turning piece and then subjected to secondary quenching, and the mode can carry out all-around machining quenching on the workpiece instead of machining, so that the phenomenon that the hardness of the part is uneven and the part is easy to break due to uneven machining is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of the quenching apparatus in example 1.

FIG. 2 is a schematic view of the structure of embodiment 1.

FIG. 3 is a partial structural view of embodiment 1.

Fig. 4 is a partial structural view at a in fig. 3.

FIG. 5 is a schematic view of the structure of a quenched member in example 1.

Fig. 6 is a partial structural view at B in fig. 5.

FIG. 7 is a schematic structural view of example 2.

Fig. 8 is a partial structural view at C in fig. 7.

In the figure, 1, a frame; 2. a hoist; 3. a conveyor chain; 4. an arranging device; 41. a limiting cylinder; 411. a limiting rod; 42. a material pushing cylinder; 421. pushing the material sheet; 43. a horizontal slideway; 431. a first positioning cylinder; 44. a vertical slideway; 441. a second positioning cylinder; 5. a workpiece hand; 51. a cross bar; 511. a slide rail; 52. a clamping frame; 521. a frame body; 522. a boom arm; 523. a connecting rod; 53. a movable cylinder; 54. clamping a hand; 541. a slide plate; 542. a first double-head cylinder; 543. a splint; 55. a connecting frame; 56. a transverse cylinder; 6. quenching the workpiece; 61. a transfer frame; 62. a transfer cylinder; 63. a quenching table; 64. a placing table; 65. quenching the coil; 651. a water outlet; 66. a quenching cylinder; 7. a material collecting device; 71. a chute; 72. a collection frame; 8. a turning part; 81. a roll-over stand; 82. a turnover plate; 821. a push cylinder; 83. turning over the claw; 831. a rotating plate; 832. a double-head cylinder II; 933. a clamping jaw; 84. a rotary cylinder; 85. and (5) lifting the cylinder.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It should be apparent that the described embodiments are only some 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 of the present invention without inventive step, shall fall within the scope of protection of the present invention.

Embodiment 1, an induction hardening method, comprising the steps of:

s1: the roller is horizontally lifted to a conveying chain 3 by a lifter 2 to convey materials;

s2: controlling two workpieces to be positioned on the same straight line at the tail end of a conveying chain 3 by using an arranging device 4, clamping the two arranged workpieces to a working position by using a workpiece hand 5, and conveying the workpieces to a quenching device for quenching, wherein the quenching temperature is 850-900 ℃, the quenching time is 3-5s, and the hardness of the inner surface and the outer surface of a roller after quenching is HRC45-50;

s3: after quenching is finished, one side of the workpiece hand 5 clamps the workpiece to be quenched, the other side of the workpiece hand clamps the quenched workpiece, and when the workpiece to be quenched is clamped and conveyed to the quenching station, the quenched workpiece on the other side of the workpiece hand 5 is placed into the material collecting device 7.

A quenching device used for an induction heating quenching method is disclosed, as shown in figure 1, figure 2 and figure 3, comprising a frame 1 and a lifter 2 arranged at the right end of the frame 1, wherein the lifter 2 lifts and conveys workpieces to a conveying chain 3, at the moment, the workpieces are in a horizontal state, the conveying chain 3 is also provided with a limiting part, a pushing part and a limiting slide way, the limiting part comprises a limiting cylinder 41 arranged at the side surface of the conveying chain 3 and a limiting rod 411 connected at the end part of the limiting cylinder 41, the direction of the limiting cylinder 41 driving the limiting rod 411 to move is vertical to the conveying direction of the conveying chain 3, the pushing part is arranged at the end part of the conveying chain 3 at one side of the limiting part far away from the lifter 2, the pushing part comprises a pushing cylinder 42 and a pushing sheet 421 arranged at the end part of the pushing cylinder 42, the direction of the pushing cylinder 42 driving the pushing sheet 421 to move is vertical to the direction of the conveying chain 3, when a first workpiece is conveyed from the conveying chain 3 through the limiting part to the pushing part, after sensing that a workpiece passes through the sensing equipment on the limiting part, the limiting cylinder 41 drives the limiting rod 411 to extend out to block a second workpiece to move forward continuously, at the moment, the material returning cylinder on the material pushing part pushes the material pushing sheet 421 to enable the first workpiece to move into the limiting slide way, the limiting slide way comprises a horizontal slide way 43 and a vertical slide way 44, the horizontal slide way 43 is parallel to the moving direction of the conveying chain 3, the vertical slide way 44 is positioned at the end part of the horizontal slide way 43 and is perpendicular to the horizontal slide way 43, one end, close to the conveying chain 3, of the horizontal slide way 43 is provided with a positioning cylinder 431, the driving direction of the positioning cylinder 431 is the same as that of the horizontal slide way 43, the positioning cylinder 431 senses the first workpiece positioned in the horizontal slide way 43, the positioning cylinder 431 pushes the first workpiece to move into the vertical slide way 44, and a positioning cylinder second 441 at the end part of the vertical slide way 44 senses the first workpiece, the second positioning air cylinder 441 located at the end part where the vertical air cylinder is connected with the horizontal slide way 43 pushes the first workpiece to move to the end part of the horizontal slide way 43, at this time, the limiting air cylinder 41 retracts, the second workpiece is conveyed into the material pushing part for conveying, and after the second workpiece moves to the end parts of the vertical slide way 44 and the horizontal slide way 43 like the first workpiece, the conveying of a group of workpieces is completed.

As shown in fig. 4, a cross bar 51 is horizontally disposed on the machine frame 1, two sides of the cross bar 51 are provided with slide rails 511, two clamping frames 52 are slidably connected to the slide rails 511, the two clamping frames 52 are connected to each other through a connecting rod 523, a transverse cylinder 56 is further disposed on the machine frame 1, an end of the transverse cylinder 56 is connected to the clamping frame 52, the transverse cylinder 56 can drive the clamping frame 52 to move along a sliding groove 71 to transfer a workpiece, the clamping frame 52 includes a frame body 521 located above the cross bar 51 and frame arms 522 slidably connected to two sides of the cross bar 51, a clamping hand 54 is vertically and slidably connected to lateral sides of the two frame arms 522, upper ends of the two clamping hands 54 are connected to the connecting frame 55, a movable cylinder 53 is connected to the frame body 521, an end of the movable cylinder 53 is connected to the connecting frame 55, the movable cylinder 53 can drive the connecting frame 55 to drive the two clamping hands 54 to move up and down along the frame arms 522, the clamping hand 54 includes a sliding plate 541 slidably connected to the frame arms 522, a double-head cylinder 542 is fixedly connected to a bottom of the sliding plate 541, two ends of the double-head cylinder 542 are both provided with piston rods, an end of the double-head cylinder 542, and an end of the clamping plate 542 can drive two clamping plates 542 to move away from the clamping plates 543 or move away from each other clamping plates 543.

As shown in fig. 5 and 6, the quenching member 6 is arranged on a conveying frame 61 of the frame 1, one quenching platform 63 is connected with the side surface of the conveying frame 61 in a sliding way, two placing platforms 64 are arranged on the quenching platform 63, the two placing platforms 64 are the placing positions of the workpieces, a conveying cylinder 62 is arranged between the frame 1 and the quenching platform, the conveying frame 61 is fixedly connected with the end part of the conveying cylinder 62, the conveying cylinder 62 can drive the conveying frame 61 to move left and right, a quenching cylinder 66 is vertically arranged in the middle of the conveying frame 61, the end part of the quenching cylinder 66 is connected below the quenching platform 63, two quenching coils 65 are arranged on the frame 1 above the conveying frame 61, the conveying cylinder 62 drives the quenching platform 63 to move to the position right below the quenching coils 65 through the conveying frame 61, the quenching cylinder 66 drives the quenching platform 63 to move upwards, so that two workpieces on the placing platform 64 are positioned in the quenching coils 65, a plurality of water outlets 651 are arranged in the quenching coils 65, after high-temperature heating, the workpiece can be rapidly annealed by adopting a water spraying mode, all parts of the workpiece can be simultaneously cooled by arranging the water outlet 651, the problem of easy cracking and easy breaking caused by uneven heat is avoided, after quenching is finished, the quenching cylinder 66 drives the workpiece to move downwards to separate from the quenching coil 65, and returns to the initial position of the quenching platform 63 under the transmission of the transmission air cylinder 62, and during the process that the clamping hands 54 on one side clamp and pick up the workpiece, the clamping hand 54 at the other side of the cross bar 51 also clamps the workpiece to be processed, the transverse air cylinder 56 continues to move forwards, a processed workpiece is positioned right above the sliding groove 71 on the material collecting device 7, the workpiece to be processed is positioned right above the placing platform 64, after the clamping hand 54 is released, the processed work is conveyed into the collection frame 72 through the chute 71, and the work to be processed is placed on the placing table 64 for quenching. The utility model discloses a 2 lifting material conveying chains 3 with the lifting machine, can realize full automatic feeding's operation, and can form the state that the level was placed with the material of conveying in promoting the in-process, this mode can make things convenient for picking up of follow-up work piece hand 5 in back, collating unit 4 can use the location that can realize the gyro wheel through the cooperation of each inductor and cylinder to discharge, the follow-up quenching processing of being convenient for, the setting of quenching work piece is put into two gyro wheels quenching coil 65 inside, and a lot of apopores have been seted up in quenching coil 65's inside, behind the quick high temperature heating gyro wheel of quenching coil 65, can carry out annealing step to the gyro wheel at once, this mode can improve the intensity of gyro wheel by a wide margin, hardness, wear resistance, fatigue strength and toughness etc.

Embodiment 2, a quenching apparatus used in an induction heating quenching method, as shown in fig. 7 and 8, is different from embodiment 1 in that an overturning member 8 is provided in embodiment 2, since part of rollers are in a shape of protruding both ends, in a quenching process performed by placing such rollers on a placing table 64, a protrusion below the roller is located inside the placing table 64, and thus a quenching process cannot be performed, so that a workpiece is overturned by the overturning member 8, and then a secondary quenching process is performed, the overturning member 8 includes an overturning frame 81, the overturning frame 81 is slidably connected with one overturning plate 82, one end of the overturning plate 82 far from the quenched workpiece is connected with a pushing cylinder 821, the pushing cylinder 821 pushes the overturning plate 82 to be close to or far from the placing table 64, one side of the overturning plate 82 close to the placing table 64 is provided with two overturning claws 83, the two overturning claws 83 are rotatably connected to the overturning plate 82 through a rotating cylinder 84, the overturning claw 83 includes a rotating plate 831 fixedly connected to an end of the rotating cylinder 84, two ends of the rotating plate 831 of the double-headed cylinder is connected to a clamping claw 933 832. After the roller is subjected to primary quenching, the roller is conveyed to the opposite side of the turnover piece 8, the pushing cylinder 821 drives the turnover plate 82 to approach to a quenched workpiece, the double-head cylinder 832 drives the two clamping jaws 933 to clamp the workpiece, the lifting cylinder 85 at the bottom jacks up the turnover plate 82, the workpiece is separated from the placing table 64 at the moment, the rotary cylinder 84 drives the workpiece to rotate after the clamping jaws 933 clamp the workpiece, and after the turning, the lifting cylinder 85 descends to enable the workpiece to be placed on the placing table 64 again for secondary quenching.

Claims (8)

1. An induction hardening equipment, characterized by: the quenching device comprises a rack (1), a lifting machine (2), a conveying chain (3), an arranging device (4), a workpiece hand (5), a quenching part (6) and an aggregation device (7), wherein the conveying chain (3), the arranging device (4), the workpiece hand (5), the quenching part (6) and the aggregation device (7) are arranged on the rack (1), the lifting machine (2) is arranged at one end of the conveying chain (3), the arranging device (4) is arranged at one end, far away from the lifting machine (2), of the conveying chain (3), the workpiece hand (5) is positioned above the arranging device (4), the quenching part (6) comprises a conveying frame (61) arranged on the rack (1), a quenching platform (63) connected on the conveying frame (61) in a sliding manner, a conveying cylinder (62) arranged between the rack (1) and the quenching platform (63), a placing platform (64) arranged on the quenching platform (63), a quenching coil (65) fixedly arranged on the rack (1), a quenching cylinder (66) arranged on the conveying frame (61) and the quenching platform (63), the conveying frame (61) is fixedly connected to the end of the conveying cylinder (62), the quenching cylinder (61), the conveying cylinder (62) is arranged at the end of the driving cylinder (61), and the driving cylinder (61) is arranged along the upper and lower driving cylinder (61), the workpiece hand (5) comprises a cross rod (51) arranged on the rack (1), a sliding rail (511) horizontally arranged on the cross rod (51), two clamping frames (52) connected with the sliding rail (511) in a sliding manner, a movable air cylinder (53) arranged on the clamping frames (52), and a clamping hand (54) connected with the lower end of the clamping frame (52) in a sliding manner, wherein the two clamping frames (52) are connected through a connecting rod (523), the clamping frame (52) comprises a frame body (521) and two frame arms (522) connected below the frame body (521), the two frame arms (522) are respectively connected to two opposite sides of the cross rod (51) in a sliding manner, the clamping hand (54) is connected with the outer sides of the two frame arms (522) in a sliding way, the movable air cylinder (53) drives the clamping hands (54) to move up and down along the rack arm (522), a connecting rack (55) is connected between the two clamping hands (54), the upper end of the connecting frame (55) is connected with the end part of the movable air cylinder (53), a transverse cylinder (56) is arranged on the frame (1), the transverse cylinder (56) is connected with the frame body (521), the transverse air cylinder (56) drives the clamping frame (52) to move along the sliding rail (511);

the method for carrying out induction hardening by using the induction hardening equipment comprises the following steps:

s1: the roller is horizontally lifted to a conveying chain (3) by a lifter (2) to convey materials;

s2: controlling the two parts to be positioned on the same straight line by using an arranging device (4) at the tail end of the conveying chain (3), clamping the two arranged workpieces to a station by using a workpiece hand (5), and conveying the workpieces to a quenching device for quenching;

s3: after quenching is finished, one side of the workpiece hand (5) is used for clamping a workpiece to be quenched, the other side of the workpiece hand is used for clamping a quenched workpiece, and when the workpiece to be quenched is clamped and conveyed to a quenching station, the quenched workpiece on the other side of the workpiece hand (5) is placed into the collecting device (7).

2. An induction hardening apparatus according to claim 1, characterized in that: the quenching temperature in the step S2 is 850-900 ℃, the quenching time is 3-5S, and the hardness of the inner surface and the outer surface of the roller after quenching is HRC45-50.

3. The induction hardening apparatus according to claim 1, wherein: collating unit (4) is including setting up at locating part, material pushing piece, spacing slide, the locating part is including setting up spacing cylinder (41), the connection of transfer chain (3) side are in gag lever post (411) of spacing cylinder (41) tip, gag lever post (411) direction of motion with transfer chain (3) direction of motion is perpendicular, material pushing piece is including setting up material pushing cylinder (42), the setting in frame (1) is in material pushing piece (421) of material pushing cylinder (42) tip, material pushing piece sets up the locating part is kept away from transfer chain (3) top of lifting machine (2) one side, material pushing cylinder (42) drive material pushing piece (421) will the gyro wheel propelling movement arrives in the spacing slide.

4. The induction hardening apparatus according to claim 3, characterized in that: collating unit (4) still includes the setting element, spacing slide includes horizontal slide (43) and vertical slide (44), horizontal slide (43) with transfer chain (3) direction of motion is parallel, vertical slide (44) set up horizontal slide (43) are kept away from the one end of pushing away the material piece and with horizontal slide (43) are parallel, the setting element is including setting up horizontal slide (43) are kept away from location cylinder (431) of vertical slide (44) one end, setting are in vertical slide (44) are close to location cylinder two (441) of horizontal slide (43) one end, location cylinder one (431) direction of motion is parallel with horizontal slide (43), location cylinder two (441) direction of motion is parallel with horizontal slide (43) direction of motion.

5. The induction hardening apparatus according to claim 1, wherein: the clamping hand (54) comprises a sliding plate (541) which is connected to the frame arm (522) in a sliding mode, a first double-head cylinder (542) which is fixedly connected to the bottom of the sliding plate (541), and clamping plates (543) which are connected to two ends of the first double-head cylinder (542), wherein the first double-head cylinder (542) drives the two clamping plates (543) to move close to or away from each other.

6. The induction hardening apparatus according to claim 1, wherein: the collecting device (7) comprises a sliding groove (71) connected to the rack (1), the sliding groove (71) is located under the clamping frame (52), and a collecting frame (72) is arranged at the end of the sliding groove (71).

7. The induction hardening apparatus according to claim 1, characterized in that: be provided with upset piece (8) on frame (1), upset piece (8) are including setting up roll-over stand (81) on frame (1), sliding connection be in roll-over plate (82) on roll-over stand (81), setting are in drive on roll-over stand (81) roll-over plate (82) to push cylinder (821) of quenching platform (63) motion, connect push cylinder (821) are close to place two upset claws (83) of platform (64) one side, the tip of upset claw (83) is connected through gyration cylinder (84) on roll-over plate (82).

8. The induction hardening apparatus according to claim 7, wherein: upset claw (83) are including fixed connection in the rotating plate (831) of gyration cylinder (84) tip, connect two (832) of double-end cylinder on rotating plate (831), connect and be in the clamping jaw (933) at double-end cylinder both ends, two (832) drives of double-end cylinder clamping jaw (933) are close to or keep away from.

Images