CN119188168A - Eddy current heating device for wheel thermal assembly - Google Patents
Eddy current heating device for wheel thermal assembly Download PDFInfo
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- CN119188168A CN119188168A CN202411730697.8A CN202411730697A CN119188168A CN 119188168 A CN119188168 A CN 119188168A CN 202411730697 A CN202411730697 A CN 202411730697A CN 119188168 A CN119188168 A CN 119188168A
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- station
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- workbench
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Induction Heating (AREA)
Abstract
The invention relates to vortex heating equipment for wheel body hot assembly, which belongs to the technical field of brake wheel assembly in the lifting industry and comprises a moving trolley and a workbench, wherein a supporting frame plate is vertically arranged and fixed on the workbench, a transverse box frame is fixed at the top end of the supporting frame plate, the transverse box frame is sequentially divided into a preheating station, a heating station and a detecting station along the longitudinal direction of the workbench, guide rails which are transverse to the workbench are respectively arranged at the front side of an upper table surface of the workbench and correspond to the preheating station, the heating station and the detecting station, the moving trolley comprises a trolley body, guide wheels which are correspondingly clamped with the guide rails are arranged on the lower surface of the trolley body, telescopic cylinders which are downwards correspond to the preheating station, the heating station and the detecting station are respectively arranged on the transverse box frame, a cap-shaped copying cover is coaxially fixed at the telescopic rod ends of the preheating station and the heating station, an induction heating coil is wound on the cover wall of the cap-shaped copying cover, and the telescopic rod ends of the detecting station are connected with a temperature detecting device.
Description
Technical Field
The invention relates to the technical field of brake wheel assembly in the lifting industry, in particular to vortex heating equipment for wheel body hot assembly.
Background
With the development of the hoisting industry, the requirements of customers on the precision, appearance and service life of products are more stringent, and the reliability and quality of the brake wheel serving as a key guarantee for the safety braking of the crane play a vital role;
The interference fit tolerance is selected for the fit tolerance of the brake wheel, the reducer, the motor shaft and the like in the hoisting industry, the brake wheel is heated and expanded in an inner hole heating and expanding mode during assembly, the technical conditions, the assembly efficiency, the manufacturing cost and other factors are considered, a heating source is extended into the inner hole of the brake wheel body to heat in a traditional heating mode, the brake wheel is restricted by the factors such as the structure and the size of the brake wheel, the problems of uneven heating, more thermal stress, local high-temperature color change of a brake surface and the like often occur in the heating process, the surface hardness of the brake wheel is reduced, the assembly quality and the service life are seriously affected, the heating efficiency is low, the potential safety hazard is large, and the problems are common diseases to be solved urgently in the industry.
Disclosure of Invention
In order to overcome the defects in the background art and solve the existing technical problems, the invention discloses vortex heating equipment for wheel body hot assembly, which can improve the wheel body heating effect and efficiency.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the vortex heating equipment for the wheel body hot assembly comprises a moving trolley and a workbench, wherein a supporting frame plate is vertically arranged and fixed on the rear side of an upper table surface of the workbench, a transverse box frame is fixed at the top end of the supporting frame plate, a space between the transverse box frame and the workbench is longitudinally and sequentially divided into a preheating station, a heating station and a detecting station along the workbench, guide rails which are transversely arranged along the workbench are respectively corresponding to the preheating station, the heating station and the detecting station on the front side of the upper table surface of the workbench, the moving trolley comprises a trolley body, the upper surface of the trolley body is used for flatly placing the wheel body to be heated, guide wheels corresponding to the clamping guide rails are arranged on the lower surface of the trolley body, telescopic cylinders with telescopic rod ends downward are respectively and correspondingly arranged on the preheating station, the heating station and the detecting station, cap-shaped copying covers are coaxially and fixedly arranged on the telescopic rod ends of the preheating station and the heating station, induction heating coils are arranged on the cover walls of the cap-shaped copying covers, and the telescopic rod ends of the detecting station are connected with temperature detecting devices.
Further, the cap-type profiling cover is provided with a composite flexible high-temperature-resistant insulating shell with an annular cavity, and the induction heating coil is arranged in the annular cavity and axially surrounds the cap-type profiling cover for a plurality of circles.
Further, the induction heating coil at the lower end of the cap-shaped profiling cover is provided with a plurality of layers along the radial direction.
Further, a temperature probe is hung at the center of the cap-type profiling cover.
Further, the telescopic rod end of the detection station is rotatably sleeved with a rotary sleeve, and the temperature detection device comprises a plurality of temperature measuring ends which are uniformly arranged on the periphery of the outer sleeve wall of the rotary sleeve.
Further, the support frame plate surface is respectively provided with a distance sensor corresponding to the preheating station, the heating station and the detecting station, a visual camera is arranged on the lower surface of one end of the transverse box frame, and a control device which is respectively connected with the distance sensor, the visual camera, the telescopic cylinder, the induction heating coil and the temperature detecting device in a control signal manner is arranged in the transverse box frame.
Further, the guide rail comprises two straight rail sections which are arranged side by side at intervals, and the moving trolley is provided with four guide wheels corresponding to the two straight rail sections.
Further, the place ahead of workstation is equipped with the face and corresponds the frame fagging of mesa on the workstation, the face is equipped with the slide rail with the guide rail vertically on the frame fagging, the card is equipped with the movable plate that can follow the slide rail and remove on the slide rail, the face is fixed with the curved track section that is used for two adjacent slide rail turns butt joint on the movable plate.
Further, the side edge of the support plate of the corresponding workbench is correspondingly connected with the top end of the front side of the workbench in a rotating way, a support rod is hinged to the middle of the front side of the workbench, and the outer rod end of the support rod correspondingly abuts against the support frame support plate.
The method comprises the following steps of firstly placing guide wheels of a movable trolley corresponding to guide rails of a preheating station, horizontally placing a wheel body to be heated in the middle of the upper surface of a vehicle body, then moving the movable trolley to the position right below a cap-type profiling cover of the preheating station, controlling a corresponding telescopic cylinder to drive the cap-type profiling cover to move downwards until the corresponding telescopic cylinder is close to a set position of an inner hole sleeve outer wall of the wheel body to be heated, starting an induction heating coil of the corresponding cap-type profiling cover to preheat, after the preheating time is reached, transferring the movable trolley to the guide rails of the heating station, similarly transferring the movable trolley to the guide rails of the heating station, putting the corresponding cap-type profiling cover down for heating, after heating is completed, transferring the movable trolley to a detection station, putting down a temperature detection device through controlling the corresponding telescopic cylinder, stretching into the inner hole of the wheel body to be heated for checking temperature uniformity, if the temperature is uneven, returning to the heating station for uniform heating, and taking down the wheel body after the temperature is uniform, thus completing a working cycle.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
According to the vortex heating equipment for wheel body hot assembly, the hat-shaped profiling cover is arranged to be attached to the appearance of a workpiece, so that local rapid heating of the workpiece assembly part is realized, the heating is relatively uniform, local overheating of the thin-wall part due to skin effect can be avoided, the appearance quality and the service life of a product are greatly improved, the operation is independently controlled through arranging different stations, preheating and reheating are firstly carried out, the overheat damage can be prevented, the thermal stress is reduced, cracks are avoided, the increased detection stations can further ensure the heating uniformity, the transfer wheel bodies convenient and fast to move the trolley are utilized to sequentially operate, the continuous operation of the whole equipment is realized, meanwhile, the operation efficiency is greatly improved, the cost is low, the energy consumption is low, the overall heating efficiency is improved by at least 200%, the cost is reduced by about 50%, the comprehensive service life of the product is improved by about 15%, and the assembly quality problem of decades in the industry is solved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the cap profile cover;
FIG. 3 is a schematic view of the heating structure of the hat-shaped copying cover corresponding to the wheel body;
FIG. 4 is a schematic view of the connection structure of the curved track section;
fig. 5 is a schematic view of the connection structure of the frame stay and the table.
In the figure, 1, a workbench, 2, a moving trolley, 3, a distance sensor, 4, a wheel body, 5, a transverse box frame, 6, a telescopic cylinder, 7, a supporting frame plate, 8, a cap-shaped profiling cover, 9, a vision camera, 10, a temperature detection device, 11, a guide rail, 12, an induction heating coil, 13, a frame support plate, 14, a slide rail, 15, a moving plate, 16, a bent rail section, 17 and a support rod.
Detailed Description
In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present invention, and in order to facilitate description of the present invention, it is not indicated or implied that the device or element referred to must have a specific azimuth:
Embodiment one:
The eddy current heating equipment for hot assembly of the wheels is characterized in that a support frame plate 7 is vertically arranged and fixed on the rear side of an upper table surface of the working table 1 and a transverse box frame 5 is fixed on the top end of the support frame plate 7, so that the transverse box frame 5 is stably supported, a space between the transverse box frame 5 and the working table 1 is longitudinally and sequentially divided into a preheating station, a heating station and a detection station along the working table 1, the front side of the upper table surface of the working table 1 is respectively provided with a guide rail 11 along the transverse direction of the working table 1, the upper surface of the moving trolley 2 is used for horizontally placing a vehicle body of the wheel body 4 to be heated, guide wheels corresponding to the guide rails 11 are mounted on the lower surface of the vehicle body, the longitudinal positioning is carried out through the guide rails 11, and meanwhile, the moving trolley 2 is conveniently moved into the wheel body 4 to be heated along the guide rails 11;
The transverse box frame 5 is respectively provided with a telescopic cylinder 6 with a downward telescopic rod end corresponding to a preheating station, a heating station and a detecting station, the telescopic cylinder 6 is generally a hydraulic cylinder or an electric cylinder, so that the vertical telescopic operation is controlled to be in place, the telescopic rod ends of the preheating station and the heating station are coaxially fixed with a cap-shaped profiling cover 8, the specific structure is shown in the figure 2, the diameter of the upper cylinder is smaller than that of the lower cylinder, the middle part of the upper cylinder is in conical transition, the upper cylinder just can extend into the wheel body 4 and cover the inner hole sleeve, the heating is uniform, the local overheating is avoided, the cover wall of the cap-shaped profiling cover 8 is surrounded by an induction heating coil 12, the density, the line number and the winding mode of an internal induction line are distributed and combined differently according to the local heating appearance of a workpiece by utilizing the magnetic field eddy current induction heating principle, and the uniform change of a magnetic field and the controllability of the temperature rise rate are realized; according to the requirement, the cap-type profiling cover 8 is a composite flexible high-temperature resistant insulating shell with an annular cavity, an induction heating coil 12 is arranged in the annular cavity and surrounds a plurality of circles along the axial direction of the cap-type profiling cover 8, the cap-type profiling cover 8 is ensured to have flexibility, the shape of the cap-type profiling cover 8 can be changed according to the appearance of different heating workpieces, the local heating part of the workpieces is attached to realize flexible and quick heating, the cap-type profiling cover 8 is connected in a quick-plug mode, quick power on and off can be completed by simple plug, the operation error rate is low, the safety is high, in addition, the induction heating coil 12 at the lower end of the cap-type profiling cover 8 is provided with a plurality of layers along the radial direction, the magnetic field superposition is carried out by combining the condition that the wall thickness of the heating area at the bottom of the brake wheel workpiece is increased, the magnetic field induction range is enlarged, the temperature rise of the whole heating area is kept at the same speed, and the magnetic field superposition technology can be adjusted and used at any time according to the condition of the workpieces, the temperature and time of induction heating can be directly set and controlled, a temperature probe can be lifted at the center of the cap-type profiling cover 8 to perform real-time temperature detection feedback, temperature control is guaranteed to be more accurate, a temperature detection device 10 is connected to the telescopic rod end of the detection station and used for detecting the uniformity of heating of the inner hole of the wheel body 4, a rotary sleeve is sleeved on the telescopic rod end of the detection station in a rotating mode according to requirements, the temperature detection device 10 comprises a plurality of temperature measuring ends which are uniformly arranged on the periphery of the outer sleeve wall of the rotary sleeve, the temperature measuring ends can be set to be temperature probes for contact temperature measurement, the temperature measuring ends can also be set to be infrared probes for non-contact temperature measurement, a plurality of temperature measuring points can be uniformly arranged, the number of the temperature measuring points is increased, one or two temperature measuring points can be set at low cost, the detection position can be changed only by rotating the rotary sleeve, and multi-point temperature detection can be realized.
According to the requirements, the surface of the support frame plate 7 is provided with distance sensors 3 corresponding to the preheating station, the heating station and the detecting station respectively, when the movable trolley 2 is arranged as the trolley which is automatically controlled to move, the trolley body 4 can be automatically controlled to be transported in place by utilizing feedback information of the distance sensors 3, a vision camera 9 is arranged on the lower surface of one end of the transverse box frame 5, the vision camera 9 can not only check the telescopic lifting height of the telescopic cylinder 6, but also can shoot and monitor the working condition of each station, and a control device which is respectively connected with control signals of the distance sensors 3, the vision camera 9, the telescopic cylinder 6, the induction heating coil 12 and the temperature detecting device 10 is arranged in the transverse box frame 5, and the central control of the control device is used for unified scheduling by controlling the actions among the stations, so that the full-automatic intelligent temperature control and flexible heating of workpieces are realized.
According to the eddy current heating equipment for wheel body heat assembly, the guide wheels of the movable trolley 2 are placed corresponding to the guide rails 11 of the preheating station, the wheel body 4 to be heated is horizontally placed in the middle of the upper surface of the vehicle body, then the movable trolley 2 is moved to the position right below the cap-type copying cover 8 of the preheating station, the corresponding telescopic cylinder 6 is controlled to drive the cap-type copying cover 8 to move downwards until the corresponding telescopic cylinder 6 is close to the set position of the outer wall of the inner hole sleeve of the wheel body 4 to be heated, then the induction heating coil 12 of the corresponding cap-type copying cover 8 is started to preheat, the preheating temperature is controlled to be 40-60 ℃ in a temperature rising speed generally, the preheating temperature is 60 ℃, the guide rails 11 of the movable trolley 2 to the heating station are moved to be heated in place after the preheating time is reached, the heating temperature rising speed is generally controlled to be 80-120 ℃ in a temperature rising speed generally, the movable trolley 2 is moved to the detection station after the heating is finished, the corresponding telescopic cylinder 6 is controlled to put down the temperature detection device 10, the inner hole of the wheel body 4 to be heated is stretched into the inner hole of the wheel body 4 to be heated, if the temperature uniformity is not uniform, the heating position is uniform, the cap-type copying cover 8 is heated can be regulated to be heated when the wheel body 4 is required to rotate uniformly, and the wheel body 4 is heated uniformly, or the position is required to be heated uniformly, and the wheel body is rotated uniformly when the uniform heating position is required to be adjusted to be the heating station is or can be completely.
Embodiment two:
The guide rail 11 is convenient to send the moving trolley 2 into the position from the outside, but the stations are troublesome to transfer, therefore, as shown in fig. 4 and 5, on the basis of the first embodiment, a frame support plate 13 with a plate surface corresponding to the upper surface of the workbench 1 is arranged in front of the workbench 1, a slide rail 14 perpendicular to the guide rail 11 is arranged on the upper plate surface of the frame support plate 13, a moving plate 15 capable of moving along the slide rail 14 is clamped on the slide rail 14, a bent rail section 16 for turning and abutting the two adjacent slide rails 14 is fixed on the upper plate surface of the moving plate 15, when the moving trolley 2 is transferred at the adjacent stations, only the moving plate 15 needs to be moved, two ends of the bent rail section 16 correspond to the two adjacent stations 11, the side edge of the frame support plate 13 corresponding to the workbench 1 is correspondingly and rotatably connected with the top end of the front side of the workbench 1, a support rod 17 is hinged in the middle of the front side of the workbench 1, the outer rod end of the support rod 17 correspondingly abuts against the support frame support plate 13, when the moving trolley 2 needs to be transferred at the adjacent stations, the bent rail section 16 needs to be abutted, and then the frame support plate 13 needs to be lifted stably when the moving trolley 2 needs to be lifted.
The invention has not been described in detail as belonging to the prior art, it is obvious to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics thereof, and therefore, the above-described embodiments should be regarded as exemplary and non-limiting in all respects, the scope of the invention is defined by the appended claims rather than the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims shall not be construed as limiting the scope of the claims concerned.
Claims (10)
1. The vortex heating equipment for the wheel body thermal assembly is characterized by comprising a movable trolley (2) and a workbench (1), wherein a supporting frame plate (7) is vertically arranged and fixed on the rear side of an upper table top of the workbench (1), a transverse box frame (5) is fixed on the top end of the supporting frame plate (7), a space between the transverse box frame (5) and the workbench (1) is longitudinally and sequentially divided into a preheating station, a heating station and a detection station along the workbench (1), guide rails (11) along the transverse direction of the workbench (1) are respectively arranged on the front side of the upper table top of the workbench (1), the movable trolley (2) comprises a trolley body, the upper surface of the trolley body is used for flatly placing a wheel body to be heated (4), guide wheels corresponding to the clamping guide rails (11) are arranged on the lower surface of the trolley body, telescopic rod ends (6) are respectively and correspondingly arranged on the preheating station, the heating station and the detection station, telescopic rod ends of the transverse box frame (5) are respectively and coaxially provided with a cap-shaped cover (8), and the cap-shaped cover (8) is connected with a profiling device (10) around the detection station.
2. The eddy current heating apparatus for heat assembling of a wheel body according to claim 1, wherein the cap-shaped profiling cover (8) is provided as a composite flexible high temperature resistant insulating housing having an annular cavity, and the induction heating coil (12) is disposed in the annular cavity and axially surrounds the cap-shaped profiling cover (8) for a plurality of turns.
3. The eddy current heating apparatus for heat fitting of wheels according to claim 1, wherein the induction heating coil (12) at the lower end of the hat-shaped profile cover (8) is provided with a plurality of layers in the radial direction.
4. The eddy current heating apparatus for heat fitting of wheels according to claim 1, characterized in that the center of the cap-shaped profiling cover (8) is hung with a temperature probe.
5. The eddy current heating apparatus for heat assembling of a wheel body according to claim 1, wherein the telescopic rod end of the detecting station is rotatably sleeved with a rotary sleeve, and the temperature detecting device (10) comprises a plurality of temperature measuring ends uniformly arranged on a circumference of the outer sleeve wall of the rotary sleeve.
6. The vortex heating equipment for the thermal assembly of the wheels is characterized in that distance sensors (3) are respectively arranged on the surface of the supporting frame plate (7) corresponding to the preheating station, the heating station and the detection station, a visual camera (9) is arranged on the lower surface of one end of the transverse box frame (5), and a control device which is respectively connected with the distance sensors (3), the visual camera (9), the telescopic cylinder (6), the induction heating coil (12) and the temperature detection device (10) in a control signal manner is arranged in the transverse box frame (5).
7. The eddy current heating apparatus for heat assembling of wheels as claimed in claim 1, wherein the guide rail (11) comprises two straight rail sections arranged side by side at intervals, and the moving trolley (2) is provided with four guide wheels corresponding to the two straight rail sections.
8. The vortex heating equipment for hot assembling of wheels is characterized in that a supporting plate (13) of which the plate surface corresponds to the upper table surface of the workbench (1) is arranged in front of the workbench (1), a sliding rail (14) perpendicular to the guide rail (11) is arranged on the upper plate surface of the supporting plate (13), a moving plate (15) capable of moving along the sliding rail (14) is clamped on the sliding rail (14), and a bent rail section (16) for turning and butting of two adjacent sliding rails (14) is fixed on the upper plate surface of the moving plate (15).
9. The vortex heating equipment for heat assembly of wheels is characterized in that the side edge of a support plate (13) corresponding to a workbench (1) is correspondingly and rotatably connected with the top end of the front side of the workbench (1), a support rod (17) is hinged to the middle of the front side of the workbench (1), and the outer rod end of the support rod (17) correspondingly abuts against the support plate (13).
10. The vortex heating equipment for the thermal assembly of the wheels is characterized in that the vortex heating equipment is used by firstly placing guide wheels of a movable trolley (2) corresponding to guide rails (11) of a preheating station, horizontally placing the wheels (4) to be heated on the middle of the upper surface of the vehicle body, then moving the movable trolley (2) to the position right below a cap-type copying cover (8) of the preheating station, controlling a corresponding telescopic cylinder (6) to drive the cap-type copying cover (8) to move downwards until the temperature uniformity is close to a set position of an inner hole sleeve of the wheels (4) to be heated, then starting induction heating coils (12) of the corresponding cap-type copying cover (8) to preheat, after the preheating time is reached, moving the movable trolley (2) to the guide rails (11) of the heating station, likewise moving the movable trolley to the position to put down the corresponding cap-type copying cover (8) to heat, after the heating is finished, moving the movable trolley (2) to a detection station, setting down a temperature detection device (10) through controlling the corresponding telescopic cylinder (6), extending into the inner hole of the wheels (4) to be heated, checking the temperature uniformity, if the temperature uniformity is not found, and returning to the heating station (4) to finish after the uniform heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411730697.8A CN119188168B (en) | 2024-11-29 | Eddy current heating device for wheel thermal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411730697.8A CN119188168B (en) | 2024-11-29 | Eddy current heating device for wheel thermal assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119188168A true CN119188168A (en) | 2024-12-27 |
| CN119188168B CN119188168B (en) | 2025-04-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119369042A (en) * | 2024-12-30 | 2025-01-28 | 常州市铁生源减速机有限公司 | A reducer output flange shaft installation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119369042A (en) * | 2024-12-30 | 2025-01-28 | 常州市铁生源减速机有限公司 | A reducer output flange shaft installation device |
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