CN209867022U - Device for repairing steel plate depression through electromagnetic induction heating - Google Patents
Device for repairing steel plate depression through electromagnetic induction heating Download PDFInfo
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- CN209867022U CN209867022U CN201920539192.1U CN201920539192U CN209867022U CN 209867022 U CN209867022 U CN 209867022U CN 201920539192 U CN201920539192 U CN 201920539192U CN 209867022 U CN209867022 U CN 209867022U
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Abstract
The utility model relates to a steel sheet sunk device is restoreed in electromagnetic induction heating, including current manipulator, the end clamp of manipulator has the executor, and the executor includes the executor frame, the inside spiral discoid work coil that is provided with of lower extreme of executor frame, work coil's both ends head is connected with the positive negative pole that is used for exporting high frequency current's power supply respectively. The power supply supplies high-frequency current to the working coil, the high-frequency current generates a high-frequency alternating magnetic field, the sunken steel plate is positioned in the high-frequency alternating magnetic field and cuts magnetic lines of force forming the magnetic field, eddy current is generated on a section perpendicular to the magnetic lines of force, the eddy current generates heat energy and heats the sunken steel plate, and the sunken steel plate is locally and instantly heated rapidly to repair the sunken steel plate; the actuator is controlled by the manipulator to move, so that the actuator can move according to a designed repair route, and repair treatment and precision are ensured. The utility model relates to a rationally, have good repairing effect, and improve repair efficiency.
Description
The technical field is as follows:
the utility model relates to a sunken device of electromagnetic induction heating restoration steel sheet.
Background art:
due to collision or other reasons, the steel plate skin on the outer surface of a closed structure is often prone to generate depressions, and the types of the depressions are various, such as strip-shaped pits, round pits, corn pits, irregular pits and the like. The pits can not be directly repaired from the outside quickly, the pits are usually repaired from the inside after being integrally disassembled, equipment is manually operated in the repairing process, and a repairing path cannot be automatically generated for the area to be repaired and needs to be manually executed. Such as the depression generated by the collision of an automobile covering part, the depression generated by the wing skin and the like, the structures are very difficult to disassemble, the manual repair quality is easily influenced by external factors, and the direct repair process is complex.
Traditional steel sheet is sunken to be repaired the mode and is accomplished under manual operation mainly, when the steel sheet produces sunkenly, the mode that engineering technical personnel mainly relied on naked eye to distinguish goes the problem that finds the steel sheet and exists, then uses some simple measuring tool limit measurement limit to repair. The accuracy of the repaired steel plate is greatly influenced by the level of an operator, and certain damage can be caused to a part of intact steel plates sometimes; on the aspect of repairing the complicated precise steel plate, technicians with higher levels are often needed, the working environment of workers is severe in the whole repairing process, and the repairing time is longer. Repair sunken steel sheet through the manual work, when repairing data analysis and steel sheet inefficacy form arrangement to the steel sheet in later stage, often use artifical recall to give first place to, accomplish the assurance of accuracy hardly. The recess repairing of the steel plate generally adopts a mechanical mode, for example, a recess repairing tool introduced in the document with Chinese patent publication No. CN104722608A, which consists of a bridge frame and a pad. When the automobile is repaired, the gaskets at the two ends of the bridge frame are fixed to the concave part through hot melt adhesive, then the screws on the point plate penetrate through the screw holes, the screws are slowly screwed through the screw caps with the annular handles, and the concave part is slowly pulled up through spiral power. Further, as described in chinese patent publication No. CN204247753U, the electromagnetic puller for repairing a metal plate depression includes a coil, an electromagnet, a dc power box, a power switch, etc., and the principle of the electromagnetic puller is that the electromagnet is firstly attracted to the depression, and then the upper limit block is impacted by the weight block on the slide bar, so that the depression is plastically deformed to recover the original shape. However, mechanical methods have certain disadvantages, such as low efficiency, insufficient forming force, and often need to be repaired for many times or for a long time. Secondly, the paint surface of the sheet metal part can be damaged when the sheet metal part is contacted with the sheet metal part. In addition, the quality of the formed product is not stable, and the effect of the repair depends on the experience of the operator.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that an electromagnetic induction heating restores sunken device of steel sheet is provided, not only reasonable in design, and repair quality is good moreover.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a sunken device of electromagnetic induction heating restoration steel sheet, includes the manipulator, the end centre gripping of manipulator has the executor, the executor includes the executor frame, the inside spiral discoid work coil that is provided with of lower extreme of executor frame, the both ends head of work coil is connected with the positive negative pole that is used for outputting high frequency current's power supply respectively.
Furthermore, the actuator frame comprises a circular truncated cone-shaped upper frame and a cylindrical lower frame fixedly connected to the bottom of the upper frame, a cylindrical recess A for accommodating the upper end of the lower frame is formed in the bottom surface of the upper frame, and a cylindrical recess B for accommodating the working coil is formed in the top surface of the lower frame.
Furthermore, a round hole is formed in the middle of the bottom surface of the cylindrical concave portion A, a cylindrical connector lug is arranged in the round hole, a lead through hole A which axially penetrates through the middle of the cylindrical connector lug is formed in the middle of the cylindrical connector lug, and a lead through groove which radially penetrates through the bottom surface of the cylindrical connector lug and is communicated with the lead through hole A is formed in the bottom surface of the cylindrical connector lug; a lead through hole B and a lead through hole C are formed in the upper frame, the lead through hole B is communicated with the round hole, and the lead through hole C is communicated with the outer edge of the cylindrical concave part A; the center end of the working coil penetrates through the lead through groove, the lead through hole A and the lead through hole B in sequence to be connected with the positive electrode of the power supply, and the outer side end of the working coil penetrates through the lead through hole C to be connected with the negative electrode of the power supply.
Furthermore, the bottom surface of the cylindrical concave part A is provided with an annular ventilation groove, and the side wall of the annular ventilation groove is provided with vent holes at intervals for accessing cooling air.
Furthermore, a plurality of vertical screw holes are coaxially formed between the outer edge of the lower frame and the outer edge of the cylindrical recess A, and the lower frame and the upper frame are locked and fixed through locking bolts in threaded fit with the vertical screw holes.
Furthermore, the upper middle part of the top surface of the upper frame is vertically provided with a grab handle, and two side surfaces of the grab handle are both planes, so that the clamping of the mechanical arm tail end clamping device is facilitated.
Furthermore, the working coil is formed by winding copper wires with circular cross sections, and insulating tapes are arranged between layers of the working coil to cover the copper wires.
Compared with the prior art, the utility model discloses following effect has: the utility model discloses an electromagnetic induction heating principle heats rapidly around sunken steel sheet, carries out automatic restoration to sunken through expend with heat and contract with cold's principle, does not carry out the repair efficient, restores surface effect good, need not the dismouting structure moreover, has simplified technology.
Description of the drawings:
FIG. 1 is a schematic diagram of the construction of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of an actuator according to an embodiment of the present invention;
FIG. 3 is a schematic view of the A-A cross-sectional configuration of FIG. 2;
FIG. 4 is a schematic view of the assembly of the work coil and the cylindrical connector lug according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a cylindrical connector lug according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a robot in an embodiment of the present invention.
In the figure:
1-fixing the chassis; 2-a base; 3-a lower connecting rod; 4-intermediate link; 5-connecting bolts; 6-upper connecting rod; 7-fixing the bracket; 8-a clamping device; 9-an actuator; 10-a sunken steel plate; 11-a manipulator; 91-a grab handle; 92-an upper frame; 93-a vent hole; 94-a lower frame; 95-wire via B; 96-annular ventilation groove; 97-a work coil; 98-vertical screw holes; 99-cylindrical lug; 100-wire via a; 101-a wire through slot; 102-wire via C; 103-cylindrical recess a; 104-cylindrical recess B.
The specific implementation mode is as follows:
in order to explain the present invention more clearly, the following description of the present invention is made with reference to the accompanying drawings and examples, and it is to be understood that the drawings listed below are merely some specific examples of the present invention.
Electromagnetic induction heating utilizes the principle of electromagnetic induction, so that the object to be heated is generally a conductive metal material. Its heating has good selectivity, and because of its selectivity, it has the advantage that other heating modes can not be replaced in some special occasions.
Induction heating generation is based on the following principle:
induction heating is to place a heated material in a high-frequency alternating magnetic field (e.g., a toroidal coil through which an alternating current is passed), magnetic lines of force constituting the magnetic field cut the heated material in the magnetic field, eddy currents are generated in a cross section perpendicular to the magnetic lines of force according to the faraday's law of electromagnetic induction, and the induced eddy currents generate heat energy on the alternating current impedance presented by a conductive material according to the joule's law of thermal effect to heat a workpiece. The heating method by using the electromagnetic induction principle to generate the high-frequency induction eddy current heat effect is referred to as induction heating for short.
As shown in fig. 1-6, the utility model relates to a sunken device of electromagnetic induction heating restoration steel sheet, including current manipulator 11 (the manipulator comprises fixed chassis 1, base 2, lower connecting rod 3, middle connecting rod 4, connecting bolt 5, upper connecting rod 6, fixed bolster 7, clamping device 8), the 8 centre grippings of clamping device of manipulator 11's end have executor 9, executor 9 includes the executor frame, the inside spiral discoid work coil 91 that is provided with of lower extreme of executor frame, the both ends head of work coil 91 is connected with the positive negative pole that is used for exporting high frequency current's power supply respectively. The power supply supplies high-frequency current to the working coil, the high-frequency current generates a high-frequency alternating magnetic field, the sunken steel plate is positioned in the high-frequency alternating magnetic field and cuts magnetic lines of force forming the magnetic field, eddy current is generated on a section perpendicular to the magnetic lines of force, the eddy current generates heat energy and heats the sunken steel plate, and the sunken steel plate is locally and instantly heated rapidly to repair the sunken steel plate; the actuator is controlled by the manipulator to move, so that the actuator can move according to a designed repair route, and repair treatment and precision are ensured.
In this embodiment, the actuator frame includes a circular truncated cone-shaped upper frame 92 and a cylindrical lower frame 94 fixedly connected to the bottom of the upper frame 92, a cylindrical recess a103 is formed in the bottom surface of the upper frame 92 for accommodating the upper end of the lower frame 94, the inner diameter of the cylindrical recess a103 is matched with the outer diameter of the lower frame 94, and a cylindrical recess B104 is formed in the top surface of the lower frame 94 for accommodating the working coil 97.
In this embodiment, a circular hole is formed in the middle of the bottom surface of the cylindrical concave portion a103, a cylindrical connector lug 99 is arranged in the circular hole, a lead through hole a100 which axially penetrates through the middle of the cylindrical connector lug 99 is formed in the middle of the cylindrical connector lug 99, and a lead through groove 101 which radially penetrates through the bottom surface of the cylindrical connector lug 99 and is communicated with the lead through hole a100 is formed in the bottom surface of the cylindrical connector lug 99; a lead through hole B95 and a lead through hole C102 are formed in the upper frame 92, the lead through hole B95 is communicated with a round hole, and the lead through hole C102 is communicated with the outer edge of the cylindrical recess A103; the center end of the working coil 97 passes through the lead through groove 101, the lead through hole A100 and the lead through hole B95 in sequence to be connected with the positive electrode of the power supply, and the outer end of the working coil 97 is bent by 90 degrees and then passes through the lead through hole C102 to be connected with the negative electrode of the power supply.
In this embodiment, the bottom surface of the cylindrical recess a103 is provided with an annular ventilation groove 96, and the side wall of the annular ventilation groove 96 is provided with ventilation holes 93 at intervals for receiving cooling air; during operation, the one end direct access cooling air of air vent 93 discharges the hot-air from the other end, and annular ventilative groove is used for making the cooling more abundant through cooling air, and annular ventilative groove constitutes complete route with the bleeder vent, is convenient for dispel the heat to the work coil.
In this embodiment, a plurality of vertical screw holes 98 are coaxially formed between the outer edge of the lower frame 94 and the outer edge of the cylindrical recess a103, and the lower frame 94 and the upper frame 92 are locked and fixed by lock bolts threadedly engaged with the vertical screw holes.
In this embodiment, a grab handle 91 is vertically arranged at the middle upper part of the top surface of the upper frame 92, and two side surfaces of the grab handle 91 are both planes, so as to be beneficial to clamping by a clamping device at the tail end of the manipulator 11. The other surfaces of the grab handle are all arc curved surfaces. The grab handle 91 is fixedly connected with the upper frame 92, and the central axis of the grab handle 91 is coincided with the central axis of the upper frame 92 of the actuator.
In this embodiment, the work coil 97 is formed by winding copper wires with a circular cross section, and an insulating tape is disposed between layers of the work coil 97 to cover the copper wires.
In this embodiment, the working coil 97 is connected to a high-frequency current, the high-frequency current is adjusted by a power switch tube, and the power switch tube needs to convert 220V/50Hz alternating current into direct current through a rectifier bridge.
The utility model has the advantages that: (1) the repairing method of the utility model is not affected by the technical level of staff, the repairing quality is not affected by human, and the labor cost is saved by adopting the mechanical arm control; (2) the utility model has high repairing efficiency, and the measurement and repair are controlled and calculated by the computer, thereby greatly shortening the repairing time; (3) the utility model discloses there is fine improvement to the cognition of restoration level, can make statistics of and analysis to the restoration data in the restoration process, can carry out systematic classification analysis and steel sheet failure form arrangement to the steel sheet recess in the follow-up restoration process, make the steel sheet recess restoration route systematized; (4) the device utilizes the electromagnetic induction principle to locally heat a specific material (such as aluminum foil), and is characterized by local high energy density, rapidness and non-contact; (5) the device is heated in a non-contact way and is suitable for occasions with higher sanitary requirements such as medicines, foods, beverages, cosmetics, chemicals and the like; (6) the device adopts induction heating to repair the plate, does not mechanically contact with the blank, and is not easy to damage a coating on the surface of the blank; (7) the device has the characteristics of simple and convenient operation, good heating stability, good uniformity, high heating speed and the like; (8) the device is non-conductive heating, the efficiency of electric-heat conversion is higher, and the energy-saving effect is obvious.
The working of this embodiment includes the following steps:
step S1: digitally measuring the sunken steel plate by using digital measuring equipment, extracting a point cloud image of the sunken steel plate 10, reconstructing a three-dimensional Solid model of the sunken steel plate 10, and performing Boolean difference operation on the three-dimensional Solid model and a standard three-dimensional model of a die under the environment of UG, Solid Works and other three-dimensional modeling software to solve a model of an area to be repaired;
step S2: carrying out layered slicing on the steel plate to be repaired through a computer, calculating the coordinate value of each depression point, calculating the height to be repaired, and designing a manipulator repairing path according to the height to be repaired;
step S3: the manipulator 11 clamps the actuator 9, and the working coil 97 in the actuator 9 is driven by the manipulator 11 to repair the steel plate recess according to a path designed in advance by a computer;
step S4: introducing high-frequency current to a working coil 97 in the actuator 9, wherein the high-frequency current generates a high-frequency alternating magnetic field, the sunken steel plate 10 is positioned in the high-frequency alternating magnetic field and cuts magnetic lines of force forming the magnetic field, eddy current is generated on a section vertical to the magnetic lines of force, the eddy current generates heat energy and heats the sunken steel plate 10, and the sunken steel plate 10 is locally and rapidly heated to repair the sunken steel plate;
step S5: after the steel plate is repaired, the computer turns off the power supply of the actuator, and the manipulator 11 removes the actuator 9.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (7)
1. The utility model provides a sunken device of electromagnetic induction heating restoration steel sheet, includes the manipulator, the end centre gripping of manipulator has executor, its characterized in that: the actuator comprises an actuator frame, a spiral disc-shaped working coil is arranged inside the lower end of the actuator frame, and two ends of the working coil are respectively connected with the positive electrode and the negative electrode of a power supply for outputting high-frequency current.
2. The device for repairing the steel plate depression by electromagnetic induction heating according to claim 1, characterized in that: the actuator frame comprises a circular truncated cone-shaped upper frame and a cylindrical lower frame fixedly connected to the bottom of the upper frame, a cylindrical recess A used for containing the upper end of the lower frame is formed in the bottom surface of the upper frame, and a cylindrical recess B used for containing a working coil is formed in the top surface of the lower frame.
3. The device for repairing the steel plate depression by electromagnetic induction heating according to claim 2, characterized in that: a round hole is formed in the middle of the bottom surface of the cylindrical concave part A, a cylindrical connector lug is arranged in the round hole, a lead through hole A which axially penetrates through the middle of the cylindrical connector lug is formed in the middle of the cylindrical connector lug, and a lead through groove which radially penetrates through the bottom surface of the cylindrical connector lug and is communicated with the lead through hole A is formed in the bottom surface of the cylindrical connector lug; a lead through hole B and a lead through hole C are formed in the upper frame, the lead through hole B is communicated with the round hole, and the lead through hole C is communicated with the outer edge of the cylindrical concave part A; the center end of the working coil penetrates through the lead through groove, the lead through hole A and the lead through hole B in sequence to be connected with the positive electrode of the power supply, and the outer side end of the working coil penetrates through the lead through hole C to be connected with the negative electrode of the power supply.
4. The device for repairing the steel plate depression by electromagnetic induction heating according to claim 2, characterized in that: the bottom surface of the cylindrical concave part A is provided with an annular ventilation groove, and the side wall of the annular ventilation groove is provided with ventilation holes at intervals for accessing cooling air.
5. The device for repairing the steel plate depression by electromagnetic induction heating according to claim 2, characterized in that: a plurality of vertical screw holes are coaxially formed between the outer edge of the lower frame and the outer edge of the cylindrical recess A, and the lower frame and the upper frame are locked and fixed through locking bolts in threaded fit with the vertical screw holes.
6. The device for repairing the steel plate depression by electromagnetic induction heating according to claim 2, characterized in that: the upper portion erects in the top surface of upper frame and is equipped with the grab handle, the both sides face of grab handle is the plane to do benefit to terminal clamping device of manipulator and carry out the centre gripping.
7. The apparatus for repairing a steel plate depression by electromagnetic induction heating according to claim 1 or 3, characterized in that: the working coil is formed by winding copper wires with circular cross sections, and an insulating tape is arranged between layers of the working coil to cover the copper wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539192.1U CN209867022U (en) | 2019-04-19 | 2019-04-19 | Device for repairing steel plate depression through electromagnetic induction heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539192.1U CN209867022U (en) | 2019-04-19 | 2019-04-19 | Device for repairing steel plate depression through electromagnetic induction heating |
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| Publication Number | Publication Date |
|---|---|
| CN209867022U true CN209867022U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920539192.1U Expired - Fee Related CN209867022U (en) | 2019-04-19 | 2019-04-19 | Device for repairing steel plate depression through electromagnetic induction heating |
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| CN (1) | CN209867022U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014056A (en) * | 2019-04-19 | 2019-07-16 | 福州大学 | A kind of electromagnetic induction heating repairs steel plate notching method and its device |
| CN111618129A (en) * | 2020-06-11 | 2020-09-04 | 重庆电子工程职业学院 | High-frequency vibration repairing device |
| CN117463816A (en) * | 2023-12-27 | 2024-01-30 | 江苏星波轻材新材料有限公司 | Aluminum alloy stretching device |
-
2019
- 2019-04-19 CN CN201920539192.1U patent/CN209867022U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014056A (en) * | 2019-04-19 | 2019-07-16 | 福州大学 | A kind of electromagnetic induction heating repairs steel plate notching method and its device |
| CN111618129A (en) * | 2020-06-11 | 2020-09-04 | 重庆电子工程职业学院 | High-frequency vibration repairing device |
| CN117463816A (en) * | 2023-12-27 | 2024-01-30 | 江苏星波轻材新材料有限公司 | Aluminum alloy stretching device |
| CN117463816B (en) * | 2023-12-27 | 2024-04-23 | 江苏星波轻材新材料有限公司 | Aluminum alloy stretching device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |