A flexible device and connector for induction heating equipment

Abstract

The present invention discloses a flexible device and connector for induction heating equipment, which relates to the technical field of induction heating. The flexible device includes a cable for winding around the outer surface of a heated metal part, and a plurality of magnetic fixing seats are provided at intervals on the cable. The magnetic fixing seat includes a rubber ring sleeve adapted to the cable, and a magnetic seat is provided on one side of the rubber ring sleeve. A permanent magnet for adsorbing the heated metal part is provided in the magnetic seat. The present invention has the characteristics of high heating efficiency, high reliability, high flexibility, and more energy saving and environmental protection.

Description

Technical Field

[0001] The present invention relates to the technical field of induction heating, and in particular to a flexible device and a connector applied to induction heating equipment. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. In the production and assembly process of bearings, the pre-assembly heating consistency and temperature range of the bearings play a vital role.

[0003] At present, the manufacturing process and equipment technology of my country's bearing industry are developing slowly. Foreign countries have widely used portable mobile induction heating devices to heat annular bearings before assembly. Due to the limitations of early technical barriers, my country has not made breakthroughs in many technical problems. As a result, the process capability index is low, the consistency is poor, the product heating temperature dispersion is large, and the product assembly precision quality is unstable, which affects the precision, performance, life and reliability of the bearing. Summary of the invention

[0004] In view of the defects existing in the prior art, the purpose of the present invention is to provide a flexible device and connector for induction heating equipment, which has the characteristics of high heating efficiency, high reliability, high flexibility, and greater energy saving and environmental protection.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a flexible device, including a cable for winding around the outer surface of the heated metal part, a plurality of magnetic fixing seats are provided at intervals on the cable, and the magnetic fixing seats include a rubber ring sleeve adapted to the cable, a magnetic seat is provided on one side of the rubber ring sleeve, and a permanent magnet for adsorbing the heated metal part is provided in the magnetic seat.

[0006] A further improvement is that a reinforcement block is provided on the other side of the rubber ring sleeve opposite to the magnetic seat.

[0007] A further improvement is that quick plug connectors are respectively provided at both ends of the cable.

[0008] A further improvement is that the cable is wrapped with a temperature-resistant protective net.

[0009] A further improvement is that the cable comprises an insulating sheath, and a plurality of wire harnesses are arranged inside the insulating sheath.

[0010] A further improvement is that the wiring harness comprises a first wire core composed of a plurality of conductive copper materials, and a first temperature-resistant insulating layer is provided on the outer surface of the first wire core.

[0011] A further improvement is that the wiring harness comprises a second wire core composed of a plurality of conductive thin copper wires, and a second temperature-resistant insulating layer is provided on the outer surface of the second wire core.

[0012] A further improvement is that the cable comprises an insulating sheath, in which a third core consisting of a plurality of conductive thin copper wires is arranged.

[0013] A further improvement is that the heated metal part is in a ring shape, and the cable is spirally wound around the outer circumferential surface of the heated metal part.

[0014] The present invention also discloses a connector based on the above-mentioned flexible device, comprising a supporting and fixing insulating plate, on which two groups of connecting mechanisms are relatively arranged, each group of connecting mechanisms comprises a conductive plate, a conductive connecting seat, a fastening bolt and a fastening handle; the conductive connecting seat is installed on the supporting and fixing insulating plate, and one side of the conductive connecting seat is provided with two relatively arranged clamping blocks, and a clamping hole adapted to the corresponding quick plug-in connector is provided between the two clamping blocks; the conductive plate passes through the supporting and fixing insulating plate, and one end of the conductive plate is connected to the other side of the conductive connecting seat; the fastening bolt is connected to the two clamping blocks for adjusting the size of the clamping hole between the two clamping blocks; the fastening handle is connected to the fastening bolt for driving the fastening bolt to rotate.

[0015] The beneficial effects of the present invention are:

[0016] The present invention strictly controls the heating process parameters through the induction heating power supply control system to ensure the stability of the heating temperature quality; the flexible cable connection can adapt to bearing parts of different diameters, so that the annular workpiece can be heated evenly and quickly, ensuring the consistency of the heating quality of the annular workpiece, with fast heating speed, high flexibility, and convenient and efficient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional diagram of the flexible device of the present invention;

[0018] Figure 2 is a top view of the flexible device of the present invention;

[0019] Figure 3 It is a front view of the flexible device of the present invention;

[0020] Figure 4 for Figure 3 Sectional view along AA direction;

[0021] Figure 5 It is a schematic diagram of the structure of the magnetic fixing seat in the present invention;

[0022] Figure 6 This is a schematic diagram of the connection between the cable and the magnetic fixing seat in the first embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the structure of a cable in Embodiment 1 of the present invention;

[0024] Figure 8 is a schematic structural diagram of the first core in the first embodiment of the present invention;

[0025] Fig. 9 This is a schematic diagram of the structure of the cable in the second embodiment of the present invention;

[0026] Fig.10 is a schematic structural diagram of the second core in the second embodiment of the present invention;

[0027] Fig.11 This is a schematic diagram of the structure of the cable in Embodiment 3 of the present invention;

[0028] Fig.12 It is a front view of the connector in the present invention;

[0029] Fig.13 is a side view of the connector of the present invention;

[0030] Fig.14 is a top view of the connector in the present invention;

[0031] Fig.15 It is a three-dimensional diagram of the connector in the present invention.

[0032] Reference numerals:

[0033] 1-cable; 11-insulating sheath; 12-heat-resistant protective net; 13-wiring harness; 131-first heat-resistant insulating layer; 132-first wire core; 133-second heat-resistant insulating layer; 134-second wire core; 14-third wire core;

[0034] 2-magnetic fixing seat; 21-rubber ring; 22-magnetic seat; 23-permanent magnet; 24-reinforcement block;

[0035] 3-Quick plug connector;

[0036] 4-Heated metal parts;

[0037] 5-connector; 51-supporting and fixing insulating plate; 52-conductive plate; 53-conductive connecting seat; 54-clamping block; 55-clamping hole; 56-fastening bolt; 57-fastening handle. DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions.

[0039] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the present invention, "several" and "a number" mean two or more, unless otherwise clearly and specifically defined.

[0041] The following is a further description of the specific embodiments of the present invention in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the present invention are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the present invention, but cannot be understood as limiting the present invention.

[0042] See also Figure 1 to Figure 4 As shown, the present invention provides a flexible device, including a cable 1 for winding around the outer surface of a heated metal part 4, and a plurality of magnetic fixing seats 2 are provided on the cable 1 at intervals. Specifically, the interval between the magnetic fixing seats is 300-600mm, and the magnetic fixing seats can be adjusted to a certain distance as needed. Preferably, specifically, the heated metal part 4 is in a circular ring shape, and the cable 1 is spirally wound around the outer cylindrical surface of the heated metal part 4.

[0043] See also Figure 5 As shown, the magnetic fixing seat 2 includes a rubber ring sleeve 21 adapted to the cable 1, and a magnetic seat 22 is provided on one side of the rubber ring sleeve 21. A permanent magnet 23 for adsorbing the heated metal part 4 is provided in the magnetic seat 22. Specifically, a reinforcing block 24 is provided on the other side of the rubber ring sleeve 21 opposite to the magnetic seat 22. The permanent magnet 23 can be a circular or square permanent magnet embedded in the rubber ring sleeve 21.

[0044] Both ends of the cable 1 are provided with quick plug connectors 3 for quick connection during operation.

[0045] The working principle of the present invention is:

[0046] When alternating current is passed through the cable, an alternating magnetic field will be generated in the metal parts around the cable. The metal will generate eddy currents in the alternating magnetic field, causing the parts themselves to heat up. The current will form a spiral flow path inside the metal, and the heat generated by the flow of current will be absorbed by the metal itself, causing the metal to heat up quickly.

[0047] The present invention will be further described below by means of three embodiments.

[0048] Embodiment 1

[0049] See also Figure 6 to Figure 8 As shown, in this embodiment, the cable 1 includes an insulating sheath 11, and a plurality of wire harnesses 13 are arranged in the insulating sheath 11. The wire harness 13 includes a first wire core 132 composed of a plurality of conductive copper materials, and a first temperature-resistant insulating layer 131 is arranged on the outer surface of the first wire core 132. The conductive cross-sectional area of ​​the wire harness 13 is 2.5-4mm 2 The first heat-resistant insulating layer 131 can withstand temperatures ranging from -100 to 260°C, and the cable generates low heat, and does not require water or forced air cooling. In this embodiment, the wiring harness 13 is a twisted pair, and 8-20 groups of twisted pairs are arranged in the insulating sheath 11 (each group consists of 2 twisted cables).

[0050] Embodiment 2

[0051] See also Fig. 9 and Fig.10 As shown, in this embodiment, the cable 1 includes an insulating sheath 11, and a plurality of wire harnesses 13 are arranged in the insulating sheath 11. The wire harness 13 includes a second wire core 134 composed of a plurality of conductive thin copper wires, and a second temperature-resistant insulating layer 133 is arranged on the outer surface of the second wire core 134. The wire cross-sectional area of ​​the cable 1 is 50--120mm 2 The second temperature-resistant insulating layer 133 can withstand temperatures ranging from -100 to 260°C, the cable generates low heat and does not require water or forced air cooling.

[0052] Embodiment 3

[0053] See also Fig.11 As shown, the cable 1 includes an insulating sheath 11, and a third wire core 14 composed of a plurality of conductive thin copper wires is arranged inside the insulating sheath 11. Specifically, the cable 1 is wrapped with a heat-resistant protective net 12. The heat-resistant protective net 12 is located between the cable 1 and the magnetic fixing seat 2, and is used to protect the cable from scratches during use; the heat-resistant protective net 12 can withstand temperatures ranging from -50 to 300°C.

[0054] See also Figure 12 to Figure 15As shown, the present invention further provides a connector 5 based on the above-mentioned flexible device, comprising a supporting and fixing insulating plate 51, on which two sets of connecting mechanisms are relatively arranged, the two sets of connecting mechanisms serve as pole A and pole B respectively, and each set of connecting mechanisms comprises a conductive plate 52, a conductive connecting seat 53, a fastening bolt 56 and a fastening handle 57;

[0055] The conductive connection seat 53 is installed on the supporting and fixing insulating plate 51, and two clamping blocks 54 arranged opposite to each other are arranged on one side of the conductive connection seat 53, and a clamping hole 55 adapted to the corresponding quick plug connector 3 is arranged between the two clamping blocks 54;

[0056] The conductive plate 52 penetrates the supporting and fixing insulating plate 51, and one end of the conductive plate 52 is connected to the other side of the conductive connection seat 53;

[0057] The fastening bolt 56 is connected to the two clamping blocks 54 and is used to adjust the size of the clamping hole 55 between the two clamping blocks 54;

[0058] The fastening handle 57 is connected to the fastening bolt 56 and is used to drive the fastening bolt 56 to rotate.

[0059] The advantages of this connector include: ① It can realize the quick connection of cable connectors (traditional cable connection requires special tools to tighten more bolts, which is cumbersome and time-consuming, while this connector can be quickly and conveniently locked with the handle); ② Traditional induction heating cable connectors need water cooling, but this connector does not. ③ Universal connectors or plugs are very easy to heat up and burn due to contact area or structural problems, while this connector generates less heat and has a long service life.

[0060] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0061] The present invention is not limited to the above-mentioned embodiments. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A flexible device for induction heating equipment, comprising a cable (1) for winding around the outer surface of a heated metal part (4), characterized in that: A plurality of magnetic fixing seats (2) are provided at intervals on the cable (1), wherein the magnetic fixing seats (2) include a rubber ring (21) adapted to the cable (1), a magnetic seat (22) is provided on one side of the rubber ring (21), and a permanent magnet (23) for adsorbing the heated metal part (4) is provided in the magnetic seat (22); A reinforcing block (24) is provided on the other side of the rubber ring sleeve (21) opposite to the magnetic seat (22); Both ends of the cable (1) are respectively provided with quick plug connectors (3); It also includes a connector, the connector including a supporting and fixing insulating plate (51), two groups of connecting mechanisms being arranged opposite to each other on the supporting and fixing insulating plate (51), each group of connecting mechanisms including a conductive plate (52), a conductive connecting seat (53), a fastening bolt (56) and a fastening handle (57); The conductive connection seat (53) is mounted on the supporting and fixing insulating plate (51), and two clamping blocks (54) arranged opposite to each other are arranged on one side of the conductive connection seat (53), and a clamping hole (55) adapted to the corresponding quick plug connector (3) is arranged between the two clamping blocks (54); The conductive plate (52) penetrates the supporting and fixing insulating plate (51), and one end of the conductive plate (52) is connected to the other side of the conductive connection seat (53); The fastening bolt (56) is connected to the two clamping blocks (54) and is used to adjust the size of the clamping hole (55) between the two clamping blocks (54); The fastening handle (57) is connected to the fastening bolt (56) and is used to drive the fastening bolt (56) to rotate.

2. The flexible device according to claim 1, characterized in that: The cable (1) is wrapped with a temperature-resistant protective net (12).

3. The flexible device according to claim 1, characterized in that: The cable (1) comprises an insulating sheath (11), and a plurality of wire bundles (13) are arranged inside the insulating sheath (11).

4. The flexible device according to claim 3, characterized in that: The wire harness (13) comprises a first wire core (132) composed of a plurality of conductive copper materials, and a first temperature-resistant insulating layer (131) is provided on the outer surface of the first wire core (132).

5. The flexible device according to claim 3, characterized in that: The wiring harness (13) comprises a second wire core (134) composed of a plurality of conductive thin copper wires, and a second temperature-resistant insulating layer (133) is provided on the outer surface of the second wire core (134).

6. The flexible device according to claim 1, characterized in that: The cable (1) comprises an insulating sheath (11), wherein a third wire core (14) composed of a plurality of conductive thin copper wires is arranged inside the insulating sheath (11).

7. The flexible device according to claim 1, characterized in that: The heated metal part (4) is in the shape of a circular ring, and the cable (1) is spirally wound around the outer circumferential surface of the heated metal part (4).

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