Induction heating device

Abstract

The invention discloses an induction heating device, and relates to the technical field of induction heating, the induction heating device comprises a rack, the middle of the rack is provided with an induction coil fixing piece, two ends of the rack are respectively provided with a metal wheel adjusting piece, the metal wheel adjusting pieces correspond to the induction coil fixing piece, and the metal wheel adjusting pieces are provided with metal wheels. The rack is arranged in the induction heating equipment, and an induction coil in the induction coil fixing piece is connected with an external power supply. The metal wheel adjusting pieces are arranged at the two ends of the rack, the induction coil fixing piece is installed in the center of the rack, and the induction coil fixing piece is located between the two metal wheel adjusting pieces, so that the function of adjusting the position of the metal wire is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of induction heating, and in particular to an induction heating device. Background Art

[0002] Modern induction heating technology has been widely used in metal heat treatment, diathermy forming and smelting. At the same time, in terms of wire heat treatment, induction heating technology also has great advantages over traditional resistance furnace heat treatment methods, such as low power consumption and high wire heat treatment quality. Among them, when using an induction heating device to heat treat the wire, it is necessary to first pass the wire through the induction coil. At the same time, in order to prevent the wire from touching the induction coil and causing the induction coil to short-circuit, a quartz tube or other insulating material is generally placed inside the induction coil. The existing induction heating device usually fixes two corresponding metal wheels at both ends of the induction coil, and the metal wheels are used to position the wire to ensure that the wire can pass through the center of the induction coil, such as the patent with application number CN201020182604.X. However, the fixed metal wheels are not convenient for adjusting the position of the wire. At the same time, when the position of the induction coil changes, the wire may touch the induction coil.

[0003] Therefore, how to provide an induction heating device that is convenient for adjusting the position of the wire has become a difficult problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0004] The object of the present invention is to provide an induction heating device to solve the problem that the existing induction heating device is inconvenient to adjust the position of the wire when performing heat treatment on the wire.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The present invention provides an induction heating device, comprising a frame, an induction coil fixing piece is installed in the middle of the frame, a metal wheel adjusting piece is installed at both ends of the frame, the metal wheel adjusting piece corresponds to the induction coil fixing piece, the frame is installed inside the induction heating equipment, and the induction coil in the induction coil fixing piece is connected to an external power supply.

[0007] Optionally, the frame includes a first top plate and a first bottom plate connected together by a connecting rod, the first top plate is parallel to the first bottom plate, the induction coil fixing member is mounted on the first top plate, and the metal wheel adjusting member is adjustably connected to the first bottom plate.

[0008] Optionally, the induction coil fixing member includes a first screw rod, a first support plate, a coil mounting plate and a quartz tube fixing member, the first screw rods are provided with two and the axes of the two first screw rods are parallel to each other, the first support plate is provided with two and symmetrically arranged at both ends of the first screw rod, two connecting rods are symmetrically arranged at both ends of the coil mounting plate, the connecting rods are provided with collars, and the collars are sleeved on the first screw rod; the coil mounting plates are provided with two in parallel, and the induction coil is installed between the two coil mounting plates;

[0009] A plurality of first nuts are threadedly connected to each of the first screw rods, a collar is disposed between every two of the first nuts, and the first nut abuts against the side wall of the collar;

[0010] The quartz tube fixing members are symmetrically arranged with two pieces, and the quartz tube fixing members are installed on the outer wall of the first supporting plate; the two ends of the quartz tube are clamped on the quartz tube fixing members, and the body of the quartz tube is located inside the pipe formed by the induction coil;

[0011] The first supporting plate is mounted on the first top plate.

[0012] Optionally, the quartz tube fixing member includes a second supporting plate, a first curved plate is inserted into the second supporting plate via a second screw, the first curved plate is connected to the second curved plate via bolts, two second nuts are threadedly connected to the second screw, the two second nuts are clamped on both sides of the second supporting plate, and the end of the quartz tube is clamped between the first curved plate and the second curved plate.

[0013] Optionally, the metal wheel adjusting member comprises a second top plate, a second bottom plate, a U-shaped plate, a first motor and a second motor, the second top plate is mounted on the second bottom plate through a support rod, the U-shaped plate is plugged into the second top plate, the top of the U-shaped plate is rotatably connected to a metal wheel, the metal wheel is located above the second top plate, a first screw hole plate is mounted on the side wall of the U-shaped plate, the first screw hole plate is located between the second top plate and the second bottom plate, the first motor is mounted on the second top plate, the output end of the first motor is transmission-connected to a first lead screw, the first lead screw is vertically arranged, the first lead screw and the first screw hole plate correspond to each other, the first motor drives the first lead screw to rotate when working, and the first lead screw drives the first screw hole plate to move along the axial direction of the first lead screw when rotating, and the U-shaped plate moves synchronously with the first screw hole plate;

[0014] The second base plate is slidably connected to the first base plate through a sliding groove, a second screw hole plate is installed on the second base plate, the second motor is installed on the first base plate, the output end of the second motor is transmission-connected with a second lead screw, the second lead screw is horizontally arranged, and the second lead screw and the second screw hole plate correspond to each other; when the second motor is working, it drives the second lead screw to rotate, and when the second lead screw rotates, it drives the second screw hole plate to move along the axial direction of the second lead screw, and the second base plate moves synchronously with the second screw hole plate.

[0015] Optionally, both the first motor and the second motor are electrically connected to a PLC controller.

[0016] Optionally, the second top plate is parallel to the second bottom plate.

[0017] Compared with the prior art, the beneficial technical effects of the present invention are:

[0018] The present invention realizes the function of adjusting the position of the metal wire by arranging the metal wheel adjusting parts at both ends of the frame, installing the induction coil fixing part at the center of the frame and arranging the induction coil fixing part between the two metal wheel adjusting parts.

[0019] The distance between the two coil mounting plates in the induction coil fixing member of the present invention is adjustable, so that the induction coil fixing member can be adapted to induction coils of different lengths.

[0020] The two quartz tube fixing members of the present invention are located outside the two coil mounting plates, so that the quartz tubes can protect the induction coils.

[0021] The first motor and the second motor in the metal wheel adjustment of the present invention are controlled by a PLC controller, wherein the PLC controller is also used to control the power supply to the induction coil, and no additional new controller is needed, thus saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a structural schematic diagram of the induction heating device of the present invention;

[0024] Figure 2 It is a schematic diagram of the frame structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the induction coil fixing part of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the quartz tube fixing member of the present invention;

[0027] Figure 5It is a schematic diagram of the structure of the metal wheel adjusting member of the present invention.

[0028] Description of reference numerals: 1. frame; 2. induction coil fixing member; 3. metal wheel adjusting member;

[0029] 11. First top plate; 12. First bottom plate;

[0030] 21. first screw rod; 22. first support plate; 23. coil mounting plate; 24. quartz tube fixing member;

[0031] 241, second support plate; 242, second screw rod; 243, first arc plate; 244, bolt; 245, second arc plate;

[0032] 31. Second top plate; 32. Second bottom plate; 33. U-shaped plate; 34. First motor; 35. Second motor; 331. First screw hole plate; 321. Second screw hole plate. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0034] like Figure 1-5 As shown, an induction heating device includes a frame 1, an induction coil fixing part 2 is installed in the middle of the frame 1, a metal wheel adjusting part 3 is installed at both ends of the frame 1, the metal wheel adjusting part 3 corresponds to the induction coil fixing part 2, the frame 1 is installed inside the induction heating equipment, and the induction coil in the induction coil fixing part 2 is connected to an external power supply.

[0035] Specifically, the frame 1 includes a first top plate 11 and a first bottom plate 12 connected together by a connecting rod, the first top plate 11 is parallel to the first bottom plate 12, the induction coil fixing member 2 is installed on the first top plate 11, and the metal wheel adjusting member 3 is adjustably connected to the first bottom plate 12.

[0036] Specifically, the induction coil fixing member 2 includes a first screw rod 21, a first support plate 22, a coil mounting plate 23 and a quartz tube fixing member 24, the first screw rod 21 is provided with two and the axes of the two first screw rods 21 are parallel to each other, the first support plate 22 is provided with two and symmetrically arranged at both ends of the first screw rod 21, two connecting rods are symmetrically arranged at both ends of the coil mounting plate 23, the connecting rods are installed with collars, and the collars are sleeved on the first screw rod 21; the coil mounting plates 23 are provided with two in parallel, and the induction coil is installed between the two coil mounting plates 23;

[0037] A plurality of first nuts are threadedly connected to each of the first screw rods 21, a collar is disposed between every two of the first nuts, and the first nut abuts against the side wall of the collar;

[0038] The quartz tube fixing members 24 are symmetrically arranged with two pieces, and the quartz tube fixing members 24 are installed on the outer wall of the first supporting plate 22; the two ends of the quartz tube are clamped on the quartz tube fixing members 24, and the body of the quartz tube is located inside the pipe formed by the induction coil;

[0039] The first supporting plate 22 is installed on the first top plate 11 .

[0040] The first support plate 22 and the coil mounting plate 23 are both provided with through holes in their centers to facilitate the quartz tube to pass through.

[0041] Specifically, the quartz tube fixing member 24 includes a second support plate 241, a first arc plate 243 is inserted into the second support plate 241 through a second screw 242, a second arc plate 245 is connected to the first arc plate 243 through a bolt 244, two second nuts are threadedly connected to the second screw 242, the two second nuts are clamped on both sides of the second support plate 241, and the end of the quartz tube is clamped between the first arc plate 243 and the second arc plate 245.

[0042] The quartz tube fixing member 24 provided in this embodiment is convenient for clamping quartz tubes of different diameters. When the wire to be processed becomes thinner, a quartz tube and an induction coil of a small diameter can be used to improve the heat treatment efficiency.

[0043] Specifically, the metal wheel adjustment member 3 includes a second top plate 31, a second bottom plate 32, a U-shaped plate 33, a first motor 34, and a second motor 35. The second top plate 31 is installed on the second bottom plate 32 through a support rod. The U-shaped plate 33 is plugged into the second top plate 31. The top of the U-shaped plate 33 is rotatably connected with a metal wheel, and the metal wheel is located above the second top plate 31. A first screw hole plate 331 is installed on the side wall of the U-shaped plate 33. The first screw hole plate 331 is located between the second top plate 31 and the second bottom plate 32. The first motor 34 is installed on the second top plate 31. The output end of the first motor 34 is transmission-connected with a first lead screw, which is vertically arranged. The first lead screw corresponds to the first screw hole plate 331. When the first motor 34 is working, it drives the first lead screw to rotate. When the first lead screw rotates, it drives the first screw hole plate 331 to move along the axial direction of the first lead screw, and the U-shaped plate 33 moves synchronously with the first screw hole plate 331.

[0044] The second base plate 32 is slidably connected to the first base plate 12 through a slide groove, a second screw hole plate 321 is installed on the second base plate 32, the second motor 35 is installed on the first base plate 12, the output end of the second motor 35 is transmission-connected with a second lead screw, the second lead screw is horizontally arranged, and the second lead screw and the second screw hole plate 321 correspond to each other; when the second motor 35 is working, it drives the second lead screw to rotate, and when the second lead screw rotates, it drives the second screw hole plate 321 to move along the axial direction of the second lead screw, and the second base plate 32 moves synchronously with the second screw hole plate 321.

[0045] Specifically, the first motor 34 and the second motor 35 are both electrically connected to the PLC controller.

[0046] Specifically, the second top plate 31 is parallel to the second bottom plate 32 .

[0047] The induction heating device provided by the present invention is convenient for induction heating of wires of different diameters. When the diameter of the wire to be processed changes, so that the wire body is no longer located at the center position in the induction coil fixture 2, the operator can adjust the metal wheel adjustment member 3 so that the wire body is re-located at the center position in the induction coil fixture 2. At the same time, the quartz tube fixture 24 provided by the present invention is convenient for clamping quartz tubes of different diameters, so that the diameter of the quartz tube clamped by the quartz tube fixture 24 corresponds to the diameter of the wire, so as to improve the heating efficiency of the induction heating device provided by the present invention.

[0048] The use process of the present invention is as follows:

[0049] First, the quartz tube is clamped on the quartz tube fixing part 24, and the induction coil is installed on the two coil mounting plates 23. Secondly, the first motor 34 and the second motor 35 are controlled by the PLC controller to adjust the position of the metal wheel adjusting part 3 on the frame 1, so as to adjust the position of the wire bypassing the metal wheel adjusting part 3 in the induction coil fixing part 2.

[0050] Among them, when the first motor 34 is working, it drives the first screw to rotate, and when the first screw rotates, it drives the first screw hole plate 331 to move along the axial direction of the first screw, and the U-shaped plate 33 moves synchronously with the first screw hole plate 331; when the second motor 35 is working, it drives the second screw to rotate, and when the second screw rotates, it drives the second screw hole plate 321 to move along the axial direction of the second screw, and the second base plate 32 moves synchronously with the second screw hole plate 321.

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. An induction heating device, characterized in that: The invention comprises a frame (1), an induction coil fixing part (2) is installed in the middle of the frame (1), a metal wheel adjusting part (3) is installed at each end of the frame (1), the metal wheel adjusting part (3) corresponds to the induction coil fixing part (2), the frame (1) is installed inside an induction heating device, and the induction coil in the induction coil fixing part (2) is connected to an external power supply.

2. The induction heating device according to claim 1, characterized in that: The frame (1) comprises a first top plate (11) and a first bottom plate (12) connected together by a connecting rod, the first top plate (11) is parallel to the first bottom plate (12), the induction coil fixing member (2) is mounted on the first top plate (11), and the metal wheel adjusting member (3) is adjustably connected to the first bottom plate (12).

3. The induction heating device according to claim 2, characterized in that: The induction coil fixing member (2) comprises a first screw rod (21), a first support plate (22), a coil mounting plate (23) and a quartz tube fixing member (24); the first screw rod (21) is provided with two and the axes of the two first screw rods (21) are parallel to each other; the first support plate (22) is provided with two and symmetrically arranged at the two ends of the first screw rod (21); two connecting rods are symmetrically arranged at the two ends of the coil mounting plate (23); the connecting rods are provided with collars, and the collars are sleeved on the first screw rod (21); two coil mounting plates (23) are provided in parallel, and the induction coil is installed between the two coil mounting plates (23); A plurality of first nuts are threadedly connected to each of the first screw rods (21), a collar is arranged between every two of the first nuts, and the first nut abuts against the side wall of the collar; Two quartz tube fixing members (24) are symmetrically arranged, and the quartz tube fixing members (24) are mounted on the outer wall of the first supporting plate (22); both ends of the quartz tube are clamped on the quartz tube fixing members (24), and the body of the quartz tube is located inside the pipe formed by the induction coil; The first supporting plate (22) is mounted on the first top plate (11).

4. The induction heating device according to claim 3, characterized in that: The quartz tube fixing member (24) comprises a second supporting plate (241), a first arc-shaped plate (243) is inserted into the second supporting plate (241) via a second screw rod (242), a second arc-shaped plate (245) is connected to the first arc-shaped plate (243) via a bolt (244), two second nuts are threadedly connected to the second screw rod (242), the two second nuts are clamped at two sides of the second supporting plate (241), and an end of the quartz tube is clamped between the first arc-shaped plate (243) and the second arc-shaped plate (245).

5. The induction heating device according to claim 2, characterized in that: The metal wheel adjustment member (3) comprises a second top plate (31), a second bottom plate (32), a U-shaped plate (33), a first motor (34) and a second motor (35); the second top plate (31) is mounted on the second bottom plate (32) via a support rod; the U-shaped plate (33) is plugged into the second top plate (31); a metal wheel is rotatably connected to the top of the U-shaped plate (33); the metal wheel is located above the second top plate (31); a first screw hole plate (331) is mounted on the side wall of the U-shaped plate (33); the first screw hole plate (331) is located Between the second top plate (31) and the second bottom plate (32), the first motor (34) is installed on the second top plate (31), the output end of the first motor (34) is drivingly connected to a first screw, the first screw is vertically arranged, the first screw and the first screw hole plate (331) correspond, the first motor (34) drives the first screw to rotate when working, and the first screw drives the first screw hole plate (331) to move along the axial direction of the first screw when the first screw rotates, and the U-shaped plate (33) moves synchronously with the first screw hole plate (331); The second base plate (32) is slidably connected to the first base plate (12) through a sliding groove, a second screw hole plate (321) is installed on the second base plate (32), the second motor (35) is installed on the first base plate (12), the output end of the second motor (35) is drivingly connected to a second lead screw, the second lead screw is horizontally arranged, and the second lead screw and the second screw hole plate (321) correspond to each other; when the second motor (35) is working, it drives the second lead screw to rotate, and when the second lead screw rotates, it drives the second screw hole plate (321) to move along the axial direction of the second lead screw, and the second base plate (32) moves synchronously with the second screw hole plate (321).

6. The induction heating device according to claim 5, characterized in that: The first motor (34) and the second motor (35) are both electrically connected to a PLC controller.

7. The induction heating device according to claim 6, characterized in that: The second top plate (31) is parallel to the second bottom plate (32).

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