CN110144449B - Quenching equipment for slewing bearing roller path without soft belt - Google Patents

Quenching equipment for slewing bearing roller path without soft belt Download PDF

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Publication number
CN110144449B
CN110144449B CN201910546961.5A CN201910546961A CN110144449B CN 110144449 B CN110144449 B CN 110144449B CN 201910546961 A CN201910546961 A CN 201910546961A CN 110144449 B CN110144449 B CN 110144449B
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quenching
plate
sliding
raceway
transverse
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CN110144449A (en
Inventor
周祥成
万美华
张明星
纪南昌
贺猛
朱立权
张云峰
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Shiyan Hengjin Induction Technology Co ltd
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Shiyan Hengjin Induction Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06Surface hardening
    • C21D1/09Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/40Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention discloses quenching equipment for a slewing bearing raceway soft-belt-free belt, which comprises a walking frame manipulator, a rotary workbench for supporting raceway workpieces, and two quenching mechanisms, wherein the two quenching mechanisms are arranged on lifting arms corresponding to the walking frame manipulator and are used for quenching half-perimeter areas corresponding to the raceway workpieces; the quenching mechanism comprises a rotating platform, a two-dimensional moving assembly, a main quenching device and an auxiliary quenching device; the upper end of the rotary platform is fixedly connected with the corresponding lifting arm, and the lower end of the rotary platform is rotatably connected with the two-dimensional moving assembly; the main quenching device is connected with the two-dimensional moving assembly and is used for carrying out main quenching on the raceway workpiece; the lower end of the main quenching device is provided with a main quenching inductor and a tracking device, and the tracking device is used for tracking and controlling the distance between the main quenching inductor and the surface of the raceway workpiece in real time; the auxiliary quenching device is connected with the two-dimensional moving assembly and is used for carrying out auxiliary quenching on the raceway workpiece; the lower end of the auxiliary quenching device is provided with an auxiliary quenching sensor.

Description

Quenching equipment for slewing bearing roller path without soft belt
Technical Field
The invention relates to the technical field of quenching equipment, in particular to quenching equipment for a slewing bearing raceway without a soft belt.
Background
In the conventional quenching machine tool for the slewing bearing of the rollaway nest, a quenching device is usually used for quenching in a manner that a workpiece rotates while the rollaway nest is stationary. Because the position of the rotating interface is difficult to control, soft belts are arranged at the quenching interface, and the quality and the service life of the workpiece are affected because the hardness of the soft belts is insufficient.
The continuous development of automation technology makes the control precision of mechanical action continuously improved, the intelligent level of mechanical control also continuously improved, and the mechanical structure of the running frame structure is used more and more mature.
In recent years, quenching machine tools, quenching processes and technologies have been well developed, a sensitive digital control system and a precise and reliable guide mechanism are adopted, and the gap between an inductor and a quenching surface is precisely controlled, so that the quenching quality is effectively ensured.
The development of these technologies provides the basis for such equipment for large slewing bearing quenching.
The patent document (patent application number: 200810036059.0) discloses a soft-strip-free quenching machine tool, which adopts a novel quenching mode that a quenching mechanism (3) rotates around a workpiece for quenching, so that the quenching is more flexible. However, this solution still has the problem of unsatisfactory quenching effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide quenching equipment for a slewing bearing raceway soft-belt-free quenching device, which has more uniform and stable quenching and more ideal quenching effect.
In order to achieve the above purpose, the invention adopts the following technical scheme: the quenching equipment for the slewing bearing raceway soft belt comprises a walking frame manipulator, a rotary workbench for supporting raceway workpieces, and two quenching mechanisms, wherein the two quenching mechanisms are arranged on lifting arms corresponding to the walking frame manipulator and used for quenching half-perimeter areas corresponding to the raceway workpieces; the quenching mechanism comprises a rotating platform, a two-dimensional moving assembly, a main quenching device and an auxiliary quenching device; the upper end of the rotating platform is fixedly connected with the corresponding lifting arm, and the lower end of the rotating platform is rotatably connected with the two-dimensional moving assembly; the main quenching device is connected with the two-dimensional moving assembly and is used for carrying out main quenching on the raceway workpiece; the lower end of the main quenching device is provided with a main quenching sensor and a tracking device, and the tracking device is used for tracking and controlling the distance between the main quenching sensor and the surface of the raceway workpiece in real time; the auxiliary quenching device is connected with the two-dimensional moving assembly and is used for carrying out auxiliary quenching on the raceway workpiece; the lower end of the auxiliary quenching device is provided with an auxiliary quenching sensor.
On the basis of the technical scheme, the device also comprises a rotating device; the two-dimensional moving assembly comprises a triangular plate-shaped connecting plate, the transverse edge of the connecting plate is rotatably connected with the rotating platform through a first roller bearing, and the vertical edge of the connecting plate is connected with the main quenching device through a fixed plate; a transverse sliding rail is arranged below the transverse edge of the connecting plate; the top of the rotating device is arranged on the transverse sliding rail in a sliding way through a second sliding plate, and the bottom of the rotating device is rotatably connected with the auxiliary quenching device through a second roller bearing.
On the basis of the technical scheme, the end part of the transverse edge of the connecting plate is provided with an adjusting nut for controlling the displacement of the second sliding plate.
On the basis of the technical scheme, the walking frame manipulator comprises two cross beams, two longitudinal beams and two lifting arms; two ends of the cross beam are respectively connected to the two longitudinal beams in a longitudinally sliding manner; the two lifting arms are respectively connected with the corresponding cross beams in a transversely sliding manner; longitudinal guide rails are arranged on the top surfaces of the two longitudinal beams, and longitudinal racks are arranged on the opposite sides of the two longitudinal beams; the two ends of the bottom surface of the cross beam are respectively arranged on the corresponding longitudinal guide rails through first sliding blocks, the middle part of the bottom surface of the cross beam is provided with a double-shaft output speed reducer, the two ends of the bottom surface of the cross beam are provided with first gear components matched with the longitudinal racks, and the two first gear components are respectively connected with two output ends of the double-shaft output speed reducer through transmission shafts.
On the basis of the technical scheme, the top surfaces of the two cross beams are provided with a first transverse guide rail and a transverse rack; the opposite sides of the two cross beams are provided with second transverse guide rails; the lifting arm comprises an L-shaped first sliding plate and a lifting arm; the suspension arm is in sliding connection with the outer side of the vertical plate of the first sliding plate; the inner side of a vertical plate of the first sliding plate is connected with a second transverse guide rail through a third sliding block; the bottom surface of the transverse plate of the first sliding plate is connected with the first transverse guide rail through a second sliding block, and a second gear assembly matched with the transverse rack is arranged on the bottom surface of the transverse plate of the first sliding plate; the top surface of the transverse plate of the first sliding plate is provided with a driving motor, and an output shaft of the driving motor penetrates through the first sliding plate to be connected with the second gear assembly; the suspension arm is provided with a first ball screw, and a first screw seat of the first ball screw is connected with the outer side of a vertical plate of the first sliding plate.
On the basis of the technical scheme, the rotary workbench comprises a base and a rotary table arranged on the base, wherein a plurality of horizontal support arms are arranged on the table top of the rotary table, and each horizontal support arm is arranged in a surrounding mode by taking the center of the rotary table as the center of a circle; a fixed sliding rail is arranged on the horizontal supporting arm along the length direction, and a supporting column for supporting the raceway workpiece is arranged on the fixed sliding rail in a sliding manner; at least one horizontal support arm is provided with a movable slide rail, the movable slide rail can slide along the length direction of the horizontal support arm, and one end of the movable slide rail extends to the center of the table top of the rotary table; the movable slide rail is provided with a clamping column for clamping the raceway workpiece in a sliding manner; the synchronous mechanism is arranged at the center of the table top of the rotary table and is respectively connected with each movable slide rail for controlling each movable slide rail to synchronously move.
On the basis of the technical scheme, an adjusting rack is arranged at the part of the movable sliding rail extending to the center of the table top of the rotary table; the synchronous mechanism comprises a fixed seat, a rotary joint used for being connected with a rotary table is arranged below the fixed seat, a synchronous gear is connected above the fixed seat through a bearing, and the synchronous gear is meshed with the adjusting racks of the movable sliding rails.
On the basis of the technical scheme, the tracking device comprises a horizontal adjusting unit, a vertical adjusting unit, a horizontal floating unit, a vertical floating unit and a rollaway nest tracking rod; the horizontal adjusting unit can move along the horizontal direction; the vertical adjusting unit is connected with the horizontal adjusting unit and can move along the vertical direction; the horizontal floating unit is connected with the vertical adjusting unit, so that the floating error of the track rod of the track and the horizontal direction of the track workpiece can be detected in real time; the vertical floating unit is connected with the horizontal floating unit, so that the floating error of the track rod of the track and the track workpiece in the vertical direction can be detected in real time; the track head of the track rod is propped against the track surface of the track workpiece.
On the basis of the technical scheme, the horizontal floating unit comprises a transition plate, an air cylinder, a first detection magnetic stripe and a first detection switch; the transition plate is connected with the vertical adjustment unit, two first fixing blocks are arranged on the transition plate at intervals, and a first linear bearing seat is arranged between the two first fixing blocks; a first spring guide rod and two first guide shafts are horizontally arranged in the first linear bearing seat in a penetrating manner; two ends of the first guide shaft are respectively connected with the two first fixed blocks; the spring is arranged on the first spring guide rod, spring baffle plates are respectively arranged at two ends of the first spring guide rod, and two ends of each spring baffle plate are respectively arranged on the two first guide shafts in a sliding manner; the cylinder is arranged beside one of the first fixed blocks, and a piston rod of the cylinder penetrates through the first fixed block and is connected with the end part of the first spring guide rod; the first detection magnetic stripe is horizontally arranged at the position of the transition plate opposite to the first linear bearing seat; the first detection switch is arranged on the first linear bearing seat and is matched with the first detection magnetic stripe.
On the basis of the technical scheme, the vertical floating unit comprises a second linear bearing seat, a second detection magnetic stripe and a second detection switch; the second linear bearing seat is connected with the horizontal floating unit, and a second spring guide rod and two second guide shafts are vertically arranged in the second linear bearing seat in a penetrating manner; two ends of the second guide shaft are respectively connected with two second fixing blocks; the second spring guide rod is provided with a spring, and two ends of the second spring guide rod are respectively connected with two second fixing blocks; the second detection magnetic stripe is vertically arranged, and two ends of the second detection magnetic stripe are respectively connected with the two second fixing blocks; the second detection switch is arranged on the second linear bearing seat and is matched with the second detection magnetic stripe.
The invention has the beneficial effects that:
the invention has 2 sets of quenching devices which are distributed oppositely and work independently to quench the left and right parts of the workpiece simultaneously. The purpose of no soft belt is realized.
Each quenching device is provided with 2 sets of inductors, wherein one set of inductors is used for preheating before quenching. The final quenching can be used more uniformly and stably, and the quenching effect is more ideal.
The workpiece positioning mechanism can drive the workpiece to rotate. The workpiece can be rotationally quenched under the condition that the inductor is kept still, and the traditional quenching process can be satisfied.
Drawings
FIG. 1 is a front view of a quenching apparatus according to an embodiment of the invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a quenching mechanism according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the operation of the quenching apparatus according to the embodiment of the present invention.
FIG. 5 is a perspective view of a gantry robot in an embodiment of the present invention;
FIG. 6 is a top view of a gantry robot in an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along the direction A-A in FIG. 6;
FIG. 8 is a schematic view of a beam structure according to an embodiment of the present invention;
FIG. 9 is a schematic view of a connection structure between a cross beam and a longitudinal beam according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a connection structure between a lifting arm and a cross beam in an embodiment of the invention.
FIG. 11 is a schematic view of a rotary table according to an embodiment of the present invention;
FIG. 12 is a cross-sectional view taken along the direction B-B in FIG. 11;
FIG. 13 is a schematic view illustrating an operation state of a rotary table according to an embodiment of the present invention;
FIG. 14 is a schematic view of a horizontal support arm according to an embodiment of the present invention;
FIG. 15 is a schematic diagram of a synchronous mechanism according to an embodiment of the present invention;
fig. 16 is a sectional view taken along the direction E-E in fig. 15.
FIG. 17 is a schematic diagram of a tracking device according to an embodiment of the present invention;
FIG. 18 is a cross-sectional view of a horizontal adjustment unit in an embodiment of the invention;
FIG. 19 is a side view of a horizontal adjustment unit according to an embodiment of the present invention;
FIG. 20 is a schematic diagram of a vertical adjustment unit according to an embodiment of the present invention;
FIG. 21 is a schematic view of a horizontal floating unit according to an embodiment of the present invention;
FIG. 22 is a schematic diagram of a vertical floating unit according to an embodiment of the present invention;
FIG. 23 is a left side view of FIG. 22;
FIG. 24 is a schematic view of a track rod in accordance with an embodiment of the present invention;
fig. 25 is a top view of fig. 24.
Reference numerals:
1-a row frame manipulator;
110-stringers; 111-stand columns; 112-connecting beams; 113-longitudinal rails; 114-a first slider; 115-longitudinal rack;
120-cross beam; 121-a first transverse rail; 122-transverse rack; 123-a second transverse rail; 124-a double-shaft output speed reducer; 125-a drive shaft; 126-a first gear assembly; 127-diaphragm coupling;
130-lifting arms; 131-a first sled; 132-a second slider; 133-a third slider; 134-a drive motor; 135-a second gear assembly; 136-a boom; 137-first ball screw; 138-first nut seat.
2-rotating a workbench;
210-a base; 211-a driving mechanism; 212-a drive gear;
220-a rotary table; 221-slewing bearing;
230-horizontal support arms; 231-fixed slide rail; 232-a guide block;
240-support columns; 241—a first carriage; 242-supporting a clamp;
250-synchronizing mechanism; 251-fixing seat; 252-synchronizing gears; 253—a swivel;
260-clamping the column; 261-a second carriage; 262-clamping the clamp; 263-stop bar;
270-moving the slide rail; 271-limit grooves; 272-driving the cylinder; 273-adjusting racks; 274-guiding ribs;
3-a quenching mechanism; 300-rotating a platform; 301-a first roller bearing; 310-a two-dimensional movement component; 311-connecting plates; 312-fixing plates; 313-transverse slide rail; 314-a second sled; 315-adjusting the nut; 320-a main quenching device; 321-a main quenching inductor; 330-auxiliary quenching device; 331-auxiliary quenching inductor; 340-rotating means; 341-a second roller bearing;
4-tracking means;
410-a horizontal adjustment unit; 411-floor; 412-a third sled; 413-horizontal rails; 414-a second ball screw; 415-a second nut seat; 416-an adjustment handle; 417-a display; 418-fourth slider;
420-a vertical adjustment unit; 421-tracking the axis of rotation; 422-swivel sleeve; 423-lock nut; 424-a first locking handle;
430-a horizontal floating unit; 431-transition plate; 432-a first fixed block; 433—a first guide shaft; 434-a first linear bearing block; 435-a first spring guide bar; 436-spring catch; 437-cylinder; 438-first test magnetic stripe; 439-a first detection switch;
440-vertical floating units; 441-a second linear bearing housing; 442-a second fixed block; 443-a second guide shaft; 444-second spring guide bar; 445-second detecting the magnetic stripe; 446-a second detection switch;
450-race track rod; 451-an adjustment bar; 452-tracking the head; 453-an adjustment seat; 454-a second locking handle; 455-a water pipe;
5-raceway workpieces.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.
In the description of the present invention, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present invention, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.
The technical scheme and the beneficial effects of the invention are more clear and definite by further describing the specific embodiments of the invention with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the invention and are not to be construed as limiting the invention.
Referring to fig. 1, 2, 3 and 4, the embodiment of the invention provides a quenching device for slewing bearing a soft belt-free raceway, which comprises a gantry manipulator 1, a rotary workbench 2 for supporting a raceway workpiece 5, and two quenching mechanisms 3, wherein the two quenching mechanisms 3 are arranged on lifting arms 130 corresponding to the gantry manipulator 1 and are used for quenching half-perimeter regions corresponding to the raceway workpiece 5;
the quenching mechanism 3 comprises a rotary platform 300, a two-dimensional moving assembly 310, a main quenching device 320 and an auxiliary quenching device 330;
the upper end of the rotary platform 300 is fixedly connected with the corresponding lifting arm 130, and the lower end of the rotary platform 300 is rotatably connected with the two-dimensional moving assembly 310;
the main quenching device 320 is connected with the two-dimensional moving assembly 310 and is used for carrying out main quenching on the raceway workpiece 5; the lower end of the main quenching device 320 is provided with a main quenching inductor 321 and a tracking device 4, wherein the tracking device 4 is used for tracking and controlling the distance between the main quenching inductor 321 and the surface of the raceway workpiece 5 in real time;
the auxiliary quenching device 330 is connected with the two-dimensional moving assembly 310 and is used for carrying out auxiliary quenching on the raceway workpiece 5; an auxiliary quenching sensor 331 is provided at the lower end of the auxiliary quenching apparatus 330.
Specifically, the quenching apparatus further includes a rotating device 340; the two-dimensional moving assembly 310 comprises a triangular plate-shaped connecting plate 311, wherein the transverse edge of the connecting plate 311 is rotatably connected with the rotating platform 300 through a first roller bearing 301, and the vertical edge of the connecting plate 311 is connected with the main quenching device 320 through a fixed plate 312; a transverse sliding rail 313 is arranged below the transverse edge of the connecting plate 311; the top of the rotating device 340 is slidably disposed on the lateral sliding rail 313 through the second sliding plate 314, and the bottom of the rotating device 340 is rotatably connected with the auxiliary quenching device 330 through the second roller bearing 341. The included angle between the auxiliary quenching sensor and the main quenching sensor can be controlled through the rotating device 340, and real-time compensation is performed in the movement process of the sensor, so that the sensor is always directed to the circle center of the workpiece.
Specifically, an adjusting nut 315 for controlling the displacement of the second sliding plate 314 is disposed at the end of the lateral edge of the connecting plate 311. The operator manually adjusts the adjustment nut 315 to control the two sensors to a proper angle, and then locks the adjustment nut 315 to fix the relative position of the rotating device.
Referring to fig. 5 and 6, the gantry robot includes two cross beams 120, two longitudinal beams 110, and two lifting arms 130; two ends of the cross beam 120 are respectively connected to the two longitudinal beams 110 in a longitudinally sliding manner; the two lifting arms 130 are respectively connected to the corresponding cross beams 120 in a transversely sliding manner; in this embodiment, the cross beam 120 and the side beam 110 each span 8 meters.
Referring to fig. 7, the top surfaces of both stringers 110 are provided with longitudinal rails 113, and the opposite sides of both stringers 110 are provided with longitudinal racks 115; specifically, the bottom of the stringers 110 is provided with uprights 111. One end of the two longitudinal beams 110 is connected by a connecting beam 112, and the whole is formed into a U-shaped structure.
Referring to fig. 8, two ends of the bottom surface of the cross beam 120 are respectively mounted on corresponding longitudinal guide rails 113 through first sliding blocks 114, a dual-shaft output speed reducer 124 is arranged in the middle of the bottom surface of the cross beam 120, first gear assemblies 126 matched with the longitudinal racks 115 are arranged at two ends of the bottom surface of the cross beam 120, and the two first gear assemblies 126 are respectively connected with two output ends of the dual-shaft output speed reducer 124 through transmission shafts 125. Specifically, the biaxial output speed reducer 124 is connected to the transmission shaft 125 through the diaphragm coupling 127.
Referring to fig. 9, the top surfaces of both cross beams 120 are provided with a first transverse rail 121 and a transverse rack 122; the opposite sides of the two beams 120 are provided with second transverse rails 123;
referring to fig. 10, the lifting arm 130 includes an L-shaped first slider 131 and a boom 136; the suspension arm 136 is in sliding connection with the outer side of the vertical plate of the first sliding plate 131; specifically, the boom 136 is provided with a first ball screw 137, and a first nut seat 138 of the first ball screw 137 is connected to the outside of the riser of the first slide plate 131. The inner side of the vertical plate of the first sliding plate 131 is connected with the second transverse guide rail 123 through a third sliding block 133; the bottom surface of the transverse plate of the first sliding plate 131 is connected with the first transverse guide rail 121 through a second sliding block 132, and the bottom surface of the transverse plate of the first sliding plate 131 is provided with a second gear assembly 135 matched with the transverse rack 122; the cross plate top surface of the first slide plate 131 is provided with a driving motor 34, and an output shaft of the driving motor 34 is connected with the second gear assembly 35 through the first slide plate 131.
Referring to fig. 11, 12 and 13, the rotary table includes a base 210 and a rotary table 220 mounted on the base 210, and in particular, the rotary table 220 is connected to the base 210 through a pivoting support 221, and an outer ring of the pivoting support 221 has a tooth-shaped structure; the driving mechanism 11 is provided on opposite sides of the base 210, and a driving shaft of the driving mechanism 211 is provided with a driving gear 212 engaged with an outer ring of the slewing bearing 221. In this embodiment, the driving mechanism 211 is a gear motor.
A plurality of horizontal support arms 230 are arranged on the table top of the rotary table 220, and each horizontal support arm 230 is arranged in a surrounding manner by taking the center of the rotary table 220 as the circle center; in this embodiment, 6 horizontal support arms 230 are provided, each horizontal support arm 230 is disposed around the center of the rotary table 220 at intervals, the included angle between two adjacent horizontal support arms 230 is 60 °, the diameter of a circular support frame formed by each support arm 230 can reach 6200mm, and clamping centering of a slewing bearing with a maximum diameter of 6000mm can be realized under the coordination of a synchronous mechanism.
Referring to fig. 14, a fixed rail 231 is provided on the horizontal support arm 230 in the length direction, and a support post 240 for supporting the raceway workpiece 5 is slidably provided on the fixed rail 231; specifically, the top of the support column 240 is provided with a support clamp 242, and the bottom of the support column 240 is provided with a first slide seat 241 adapted to the fixed slide rail 231. In this embodiment, the supporting fixture 42 is a cylindrical roller bearing-like structure.
At least one horizontal support arm 230 is provided with a movable slide rail 270, the movable slide rail 270 can slide along the length direction of the horizontal support arm 230, and one end of the movable slide rail 270 extends to the center of the table top of the rotary table 220; the movable slide rail 270 is provided with a clamping column 260 for clamping the raceway workpiece 5 in a sliding manner; specifically, a plurality of limiting grooves 271 are arranged on the movable slide rail 270 at intervals along the length direction; the top of the clamping post 260 is provided with a clamping fixture 262, and in this embodiment, the clamping fixture 262 is provided with a radial direction adjustment mechanism (such as a chute and a sliding table) of the turntable, and the adjustment mechanism can be manually adjusted to change the distance between the clamping fixture and the center of the workpiece so as to compensate for the error of the workpiece in the radial direction. The bottom of the clamping post 260 is provided with a second slide 261 which is matched with the movable slide rail 270, and two ends of the second slide 261 are respectively provided with a stop bar 263 which is matched with the limit groove 271. After the second slide 261 is adjusted to a proper position, the stop bars are arranged in the limit grooves corresponding to the two ends of the second slide 261, so that the clamping columns are positioned.
Preferably, the horizontal support arm 230 is provided with a driving cylinder 272 for driving the movement of the moving slide rail 270 and a guide block 232 for limiting the movement track of the moving slide rail 270; the side of the moving slide 270 is provided with guide protrusions 274 that are adapted to the guide blocks 232. In this embodiment, the driving cylinder 272 is an oil cylinder or a gas cylinder.
Referring to fig. 15 and 16, a synchronizing mechanism 250 is disposed at the center of the table top of the rotary table 220, and is respectively connected to each of the moving rails 270 for controlling the synchronized movement of each of the moving rails 270. Specifically, an adjusting rack 273 is provided at a portion of the moving slide rail 270 extending to the center of the table top of the rotary table 220; the synchronizing mechanism 250 includes a fixed base 251, a rotary joint 253 for connecting the rotary table 220 is provided below the fixed base 251, a synchronizing gear 252 is connected above the fixed base 251 through a bearing, and the synchronizing gear 252 is meshed with the adjusting racks 273 of the moving slide rails 270.
Referring to fig. 17, the tracking device includes a horizontal adjustment unit 410, a vertical adjustment unit 420, a horizontal floating unit 430, a vertical floating unit 440, and a track rod 450;
referring to fig. 18 and 19, the horizontal adjustment unit 410 is movable in the horizontal direction; specifically, the horizontal adjustment unit 410 includes a bottom plate 411 and a third slide plate 412; the bottom surface of the bottom plate 411 is provided with a horizontal guide rail 413 and a second ball screw 414 in parallel, and a second nut seat 415 of the second ball screw 414 is connected with the top surface of the third sliding plate 412; the top surface of the third slide 412 is also slidably coupled to the horizontal guide 413 by a fourth slider 418. One end of the second ball screw 414 is provided with a display 417 and an adjustment handle 416.
Referring to fig. 20, a vertical adjustment unit 420 is connected to a horizontal adjustment unit 410 to be movable in a vertical direction; specifically, the vertical adjustment unit 420 includes a tracking rotation shaft 421, and an upper end of the tracking rotation shaft 421 is connected to the horizontal adjustment unit 410; the tracking rotating shaft 421 is sleeved with a rotating shaft sleeve 422, and a first locking handle 424 is arranged on the rotating shaft sleeve 422; the lower end of the tracking rotary shaft 421 passes through the rotary shaft sleeve 422 and is connected with the locking nut 423 in a threaded manner.
Referring to fig. 21, the horizontal floating unit 430 is connected to the vertical adjustment unit 420, and can detect the floating error of the track rod 450 and the track workpiece 5 in the horizontal direction in real time; specifically, the horizontal floating unit 430 includes a transition plate 431, an air cylinder 437, a first detection magnetic stripe 438, and a first detection switch 439; the transition plate 431 is connected with the vertical adjustment unit 420, two first fixing blocks 432 are arranged on the transition plate 431 at intervals, and a first linear bearing 434 is arranged between the two first fixing blocks 432; a first spring guide bar 435 and two first guide shafts 433 are horizontally arranged in the first linear bearing seat 434 in a penetrating manner; two ends of the first guide shaft 433 are respectively connected with two first fixing blocks 432; the first spring guide rod 435 is provided with a spring, two ends of the first spring guide rod 435 are respectively provided with a spring baffle 436, and two ends of the spring baffle 436 are respectively arranged on the two first guide shafts 433 in a sliding way; the air cylinder 437 is arranged beside one of the first fixed blocks 432, and the piston rod of the air cylinder 437 passes through the first fixed block 432 and is connected with the end part of the first spring guide rod 435; the first detecting magnetic stripe 438 is horizontally disposed at a position opposite to the first linear bearing seat 434 of the transition plate 431; the first detection switch 439 is disposed on the first linear bearing 434 and is adapted to the first detection magnetic stripe 438. In this embodiment, a gap of 0.2-0.3mm is provided between the first detection switch 439 and the first detection magnetic stripe 438.
Referring to fig. 22 and 23, the vertical floating unit 440 is connected to the horizontal floating unit 430, and can detect a floating error in a vertical direction of the track rod 450 and the track work 5 in real time; specifically, the vertical floating unit 440 includes a second linear bearing housing 441, a second sensing magnetic stripe 445, and a second sensing switch 446; the second linear bearing seat 441 is connected with the horizontal floating unit 430, and a second spring guide rod 444 and two second guide shafts 443 are vertically arranged in the second linear bearing seat 441 in a penetrating manner; two ends of the second guide shaft 443 are respectively connected with two second fixed blocks 442; the second spring guide rod 444 is provided with a spring, and two ends of the second spring guide rod 444 are respectively connected with two second fixing blocks 442; the second detection magnetic stripe 445 is vertically arranged, and two ends of the second detection magnetic stripe 445 are respectively connected with the two second fixing blocks 442; the second detecting switch 446 is disposed on the second linear bearing seat 441 and is matched with the second detecting magnetic stripe 445. In this embodiment, a gap of 0.2-0.3mm is provided between the second detection switch 446 and the second detection magnetic stripe 445.
Referring to fig. 24 and 5, the raceway tracking rod 450 is connected to the vertical floating unit 440, and the tracking head 452 of the raceway tracking rod 450 abuts against the raceway surface of the raceway workpiece 5. Specifically, the raceway tracking rod 450 includes an adjustment rod 451, and one end of the adjustment rod 451 is provided with a tracking head 452; the adjusting rod 451 is sleeved with an adjusting seat 453, and a second locking handle 454 is arranged on the adjusting seat 453; a water passage 455 is provided in the adjustment rod 451, and one end of the water passage 455 is connected to the tracking head 452.
The working principle of the invention is as follows:
when the quenching device works, the two quenching mechanisms 3 start from the right side of the raceway workpiece 5, the angle points to the center of the workpiece, under the combined action of the transverse moving, lifting arm 130 and rotary platform 300, the quenching mechanism 3 positioned above scans and quenches from the right side of the workpiece to the left side of the workpiece in a clockwise direction by a half circumferential length, namely 0-180 degrees, and the quenching mechanism 3 positioned below scans and quenches from the right side of the workpiece to the left side of the workpiece in a anticlockwise direction by a half circumferential length, namely 180-360 degrees. The aim of no soft zone quenching in the circumferential direction of the whole workpiece is fulfilled.
In the quenching process, the tracking device 4 can actually detect the distance between the sensor and the surface of the workpiece, feed back signals to the motor, and enable the sensor two-dimensional moving assembly 310 to dynamically adjust the distance between the sensor and the surface of the workpiece, and track and control the distance between the sensor and the surface of the workpiece in real time. Meanwhile, the rotating device 340 can control the included angle between the auxiliary quenching sensor 331 and the main quenching sensor 321, and compensates in real time in the movement process of the sensor, so that the sensor is always directed at the center of the workpiece, and the quenching effect is improved.
In the description of the present invention, a description of the terms "one embodiment," "preferred," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and a schematic representation of the terms described above in the present specification does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the embodiments described above, but a number of modifications and adaptations can be made by a person skilled in the art without departing from the principle of the invention, which modifications and adaptations are also considered to be within the scope of the invention. What is not described in detail in this specification is prior art known to those skilled in the art.

Claims (7)

1. The quenching equipment for the slewing bearing raceway soft-belt-free comprises a travelling crane manipulator (1) and a rotary workbench (2) for supporting a raceway workpiece (5), and is characterized in that: the quenching device further comprises two quenching mechanisms (3), wherein the two quenching mechanisms (3) are arranged on lifting arms (130) corresponding to the travelling frame manipulator (1) and are used for quenching the half-perimeter area corresponding to the raceway workpiece (5);
the quenching mechanism (3) comprises a rotary platform (300), a two-dimensional moving assembly (310), a main quenching device (320) and an auxiliary quenching device (330);
the upper end of the rotary platform (300) is fixedly connected with the corresponding lifting arm (130), and the lower end of the rotary platform (300) is rotatably connected with the two-dimensional moving assembly (310);
the main quenching device (320) is connected with the two-dimensional moving assembly (310) and is used for carrying out main quenching on the raceway workpiece (5); the lower end of the main quenching device (320) is provided with a main quenching inductor (321) and a tracking device (4), and the tracking device (4) is used for tracking and controlling the distance between the main quenching inductor (321) and the surface of the raceway workpiece (5) in real time;
the auxiliary quenching device (330) is connected with the two-dimensional moving assembly (310) and is used for carrying out auxiliary quenching on the raceway workpiece (5); an auxiliary quenching sensor (331) is arranged at the lower end of the auxiliary quenching device (330);
also comprises a rotating device (340); the two-dimensional moving assembly (310) comprises a triangular plate-shaped connecting plate (311), the transverse edge of the connecting plate (311) is rotatably connected with the rotating platform (300) through a first roller bearing (301), and the vertical edge of the connecting plate (311) is connected with the main quenching device (320) through a fixed plate (312); a transverse sliding rail (313) is arranged below the transverse edge of the connecting plate (311); the top of the rotating device (340) is arranged on the transverse sliding rail (313) in a sliding way through a second sliding plate (314), and the bottom of the rotating device (340) is rotatably connected with the auxiliary quenching device (330) through a second roller bearing (341);
the rotary workbench (2) comprises a base (210) and a rotary table (220) arranged on the base (210), wherein a plurality of horizontal support arms (230) are arranged on the table top of the rotary table (220), and each horizontal support arm (230) is arranged in a surrounding mode by taking the center of the rotary table (220) as the circle center; a fixed sliding rail (231) is arranged on the horizontal supporting arm (230) along the length direction, and a supporting column (240) for supporting the raceway workpiece (5) is arranged on the fixed sliding rail (231) in a sliding manner; at least one horizontal support arm (230) is provided with a movable slide rail (270), the movable slide rail (270) can slide along the length direction of the horizontal support arm (230), and one end of the movable slide rail (270) extends to the center of the table top of the rotary table (220); the movable slide rail (270) is provided with a clamping column (260) for clamping the raceway workpiece (5) in a sliding manner; the synchronous mechanism (250) is arranged at the center of the table top of the rotary table (220), is respectively connected with each movable slide rail (270) and is used for controlling each movable slide rail (270) to synchronously move;
the part of the movable slide rail (270) extending to the center of the table top of the rotary table (220) is provided with an adjusting rack (273); the synchronous mechanism (250) comprises a fixed seat (251), a rotary joint (253) used for being connected with the rotary table (220) is arranged below the fixed seat (251), a synchronous gear (252) is connected above the fixed seat (251) through a bearing, and the synchronous gear (252) is meshed with the adjusting racks (273) of the movable sliding rails (270).
2. The quenching apparatus of claim 1, wherein: an adjusting nut (315) for controlling the displacement of the second sliding plate (314) is arranged at the end part of the transverse edge of the connecting plate (311).
3. The quenching apparatus of claim 1, wherein: the row frame manipulator (1) comprises two cross beams (120), two longitudinal beams (110) and two lifting arms (130); two ends of the cross beam (120) are respectively connected to the two longitudinal beams (110) in a longitudinally sliding manner; the two lifting arms (130) are respectively connected with the corresponding cross beams (120) in a transversely sliding manner; the top surfaces of the two longitudinal beams (110) are provided with longitudinal guide rails (113), and the opposite sides of the two longitudinal beams (110) are provided with longitudinal racks (115); the two ends of the bottom surface of the cross beam (120) are respectively arranged on the corresponding longitudinal guide rail (113) through a first sliding block (114), a double-shaft output speed reducer (124) is arranged in the middle of the bottom surface of the cross beam (120), first gear assemblies (126) matched with the longitudinal racks (115) are arranged at the two ends of the bottom surface of the cross beam (120), and the two first gear assemblies (126) are respectively connected with two output ends of the double-shaft output speed reducer (124) through transmission shafts (125).
4. A quenching apparatus as claimed in claim 3, wherein: the top surfaces of the two cross beams (120) are provided with a first transverse guide rail (121) and a transverse rack (122); the opposite sides of the two cross beams (120) are provided with second transverse guide rails (123); the lifting arm (130) comprises an L-shaped first sliding plate (131) and a suspension arm (136); the suspension arm (136) is in sliding connection with the outer side of the vertical plate of the first sliding plate (131); the inner side of a vertical plate of the first sliding plate (131) is connected with the second transverse guide rail (123) through a third sliding block (133); the bottom surface of the transverse plate of the first sliding plate (131) is connected with the first transverse guide rail (121) through a second sliding block (132), and a second gear assembly (135) matched with the transverse rack (122) is arranged on the bottom surface of the transverse plate of the first sliding plate (131); the top surface of the transverse plate of the first sliding plate (131) is provided with a driving motor (134), and an output shaft of the driving motor (134) penetrates through the first sliding plate (131) to be connected with a second gear assembly (135); the suspension arm (136) is provided with a first ball screw (137), and a first screw seat (138) of the first ball screw (137) is connected with the outer side of a vertical plate of the first sliding plate (131).
5. The quenching apparatus of claim 1, wherein: the tracking device (4) comprises a horizontal adjusting unit, a vertical adjusting unit, a horizontal floating unit (430), a vertical floating unit (440) and a track rod (450); the horizontal adjusting unit can move along the horizontal direction; the vertical adjusting unit is connected with the horizontal adjusting unit and can move along the vertical direction; the horizontal floating unit (430) is connected with the vertical adjusting unit, and can detect floating errors of the track tracking rod (450) and the track workpiece (5) in the horizontal direction in real time; the vertical floating unit (440) is connected with the horizontal floating unit (430) and can detect the floating error of the raceway tracking rod (450) in the vertical direction of the raceway workpiece (5) in real time; the track rod (450) is connected with the vertical floating unit (440), and the track head of the track rod (450) abuts against the track surface of the track workpiece (5).
6. The quenching apparatus of claim 5, wherein: the horizontal floating unit (430) comprises a transition plate (431), an air cylinder (437), a first detection magnetic stripe (438) and a first detection switch (439); the transition plate (431) is connected with the vertical adjustment unit, two first fixed blocks (432) are arranged on the transition plate (431) at intervals, and a first linear bearing seat (434) is arranged between the two first fixed blocks (432); a first spring guide rod (435) and two first guide shafts (433) are horizontally arranged in the first linear bearing seat (434) in a penetrating way; two ends of the first guide shaft (433) are respectively connected with two first fixed blocks (432); the first spring guide rod (435) is provided with a spring, two ends of the first spring guide rod (435) are respectively provided with a spring baffle plate (436), and two ends of the spring baffle plate (436) are respectively arranged on two first guide shafts (433) in a sliding manner; the air cylinder (437) is arranged beside one first fixed block (432), and a piston rod of the air cylinder (437) penetrates through the first fixed block (432) and is connected with the end part of the first spring guide rod (435); the first detection magnetic stripe (438) is horizontally arranged at a position of the transition plate (431) opposite to the first linear bearing seat (434); the first detection switch (439) is arranged on the first linear bearing seat (434) and is matched with the first detection magnetic stripe (438).
7. The quenching apparatus of claim 5, wherein: the vertical floating unit (440) comprises a second linear bearing seat (441), a second detection magnetic stripe (445) and a second detection switch (446); the second linear bearing seat (441) is connected with the horizontal floating unit (430), and a second spring guide rod (444) and two second guide shafts (443) are vertically arranged in the second linear bearing seat (441) in a penetrating manner; two ends of the second guide shaft (443) are respectively connected with two second fixed blocks (442); the second spring guide rod (444) is provided with a spring, and two ends of the second spring guide rod (444) are respectively connected with two second fixing blocks (442); the second detection magnetic stripe (445) is vertically arranged, and two ends of the second detection magnetic stripe (445) are respectively connected with the two second fixing blocks (442); the second detection switch (446) is arranged on the second linear bearing seat (441) and is matched with the second detection magnetic strip (445).
CN201910546961.5A 2019-06-24 2019-06-24 Quenching equipment for slewing bearing roller path without soft belt Active CN110144449B (en)

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CN111187885A (en) * 2020-03-27 2020-05-22 洛阳新强联回转支承股份有限公司 Moving mechanism of intermediate frequency quenching inductor of slewing bearing without soft belt
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CN114102349A (en) * 2021-11-23 2022-03-01 江阴市恒润传动科技有限公司 Portable soft belt polishing equipment for wind power generation slewing bearing

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