Quenching inductor and quenching method

Abstract

The application relates to the technical field of hot processing, in particular to a quenching inductor and a quenching method. The quenching inductor provided by the application comprises at least one inductor body, the inductor body comprises an inductor head, a magnetic conductor and a plurality of metal pieces, the inductor head comprises two metal connecting pipes and a metal inductor part, the metal connecting pipes are arranged perpendicularly to a surface to be quenched, the metal inductor part is arranged in a bent shape, and a plane where the metal inductor part is arranged is parallel to the surface to be quenched; the metal inductor part has a channel for liquid circulation and two connecting ends, the connecting ends are communicated with the channel, and the connecting ends are correspondingly communicated with the metal connecting pipes; the metal pieces are arranged on the metal inductor part, and the magnetic conductor is fixed on the metal inductor part through the metal pieces. The quenching inductor provided by the application can effectively avoid that the side surface of a workpiece is heated and the temperature of a workpiece chamfer is too high to cause cracking, and can also avoid that the depth of a hardened layer at both ends of the surface to be quenched is too shallow, and the distribution uniformity of the hardened layer is improved.

Description

Technical Field

[0001] This application relates to the field of heat treatment technology, specifically a quenching inductor and a quenching method. Background Technology

[0002] In the manufacturing process of engineering machinery parts, surface induction hardening is usually used to process the parts, so that a hardened layer of a certain thickness is generated on the surface of the parts, which improves the surface wear resistance while maintaining the toughness of the core.

[0003] In the prior art, the inductor is the main tooling for surface induction hardening, and the two ends of the inductor copper tube are usually bent away from the heating surface and the side of the workpiece.

[0004] However, the inductor cannot guarantee the actual heating range during the quenching process, which can easily lead to the workpiece side being heated and the workpiece chamfer temperature being too high, causing cracks. In addition, the bending at both ends of the inductor copper tube currently results in a shallow hardened layer depth at both ends of the workpiece, affecting the uniformity of the hardened layer distribution. Summary of the Invention

[0005] This application provides a quenching inductor and a quenching method to solve the problems that current inductors cannot guarantee the actual heating range during the quenching process, which easily leads to the workpiece side being heated and the workpiece chamfer temperature being too high and cracking. In addition, the bending of the two ends of the copper tube of the current inductor will result in the shallow depth of the hardened layer at both ends of the workpiece, affecting the uniformity of the distribution of the hardened layer of the workpiece.

[0006] To achieve the above objectives, the technical solution of this application is as follows:

[0007] This application provides a quenching inductor, comprising at least one inductor body. The inductor body includes an inductor head, a magnetic conductor, and multiple metal parts. The inductor head includes two metal connecting tubes and a metal inductor. The metal connecting tubes are arranged perpendicular to the surface to be quenched, and the metal inductor is arranged in a bent shape. The plane on which the metal inductor is located is parallel to the surface to be quenched. The metal inductor has a channel for liquid flow and two connecting ends. The connecting ends are connected to the channel and correspondingly connected to the metal connecting tubes. Metal parts are provided on the metal inductor, and the magnetic conductor is fixed to the metal inductor through the metal parts.

[0008] In one possible implementation, the quenching inductor provided in this application includes a metal sensing section comprising a first copper tube segment, two second copper tube segments, and two third copper tube segments. The two ends of the first copper tube segment are respectively perpendicularly connected to the two second copper tube segments, and the two second copper tube segments are located on the same side of the first copper tube segment. The two third copper tube segments are respectively connected to the ends of the two second copper tube segments opposite to the first copper tube segment, and the third copper tube segments are parallel to the first copper tube segment. The ends of the two third copper tube segments opposite to the corresponding second copper tube segments form a connection end, and the two connection ends are adjacent to each other.

[0009] In one possible implementation, the quenching inductor provided in this application has magnetic conductors on the first copper tube segment, the second copper tube segment, and the third copper tube segment; metal parts are welded to two opposite surfaces of the metal inductor, and the two ends of the magnetic conductors respectively abut against the metal parts.

[0010] In one possible implementation, the quenching inductor provided in this application has a silicon steel sheet as the magnetic conductor and a copper sheet as the metal part.

[0011] In one possible implementation, the quenching inductor provided in this application is integrally formed with the metal connecting tube and the metal sensing part.

[0012] In one possible implementation, the quenching inductor provided in this application further includes a first connecting plate and a second connecting plate. The first connecting plate and the second connecting plate are respectively fixedly connected to the ends of two metal connecting tubes away from the metal sensing part. The first connecting plate and the second connecting plate are used to connect to a machine tool.

[0013] In one possible implementation, the quenching inductor provided in this application has at least one mounting hole on the first connecting plate and the second connecting plate respectively, and the first connecting plate and the second connecting plate are fixedly connected to the machine tool through the mounting holes.

[0014] In one possible implementation, the quenching inductor provided in this application has a water passage hole and a connecting hole communicating with the water passage hole on the first connecting plate and the second connecting plate, respectively. The water passage hole is used to connect cooling water; the connecting hole is connected with the inductor head to form a cooling water circuit.

[0015] In one possible implementation, the quenching inductor provided in this application has two inductor bodies, which are arranged opposite to each other.

[0016] This application also provides a quenching method using the above-mentioned quenching inductor, the quenching method comprising the following steps:

[0017] Place the quenching sensor above the surface to be quenched, and connect the quenching sensor to the machine tool;

[0018] Cooling water is supplied to the quenching inductor via the machine tool;

[0019] The heating temperature of the quenching inductor is adjusted by controlling the voltage of the machine tool to heat the surface to be quenched.

[0020] The quenching inductor and quenching method provided in this application include an inductor body comprising an inductor head, a magnetic conductor, and multiple metal parts. The inductor head includes a metal connecting pipe and a metal inductor section. The metal connecting pipe is positioned perpendicular to the surface to be quenched. The metal inductor section has a channel for liquid flow and a connecting end communicating with the metal connecting pipe to allow access to a cooling liquid, ensuring the normal operation of the inductor body. The metal inductor section is bent along a plane parallel to the surface to be quenched, and metal parts are fixedly mounted on the metal inductor section. The magnetic conductor is fixed to the metal inductor section via the metal parts. This effectively prevents the workpiece side from being heated and the workpiece chamfer from cracking due to excessive temperature. It also prevents the hardened layer at both ends of the surface to be quenched from being too shallow, improving the uniformity of the hardened layer distribution. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of the quenching inductor provided in the embodiments of this application;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure after removing the magnetic conductor;

[0024] Figure 3 A diagram showing the usage status of the quenching inductor provided in the embodiments of this application;

[0025] Figure 4 A flowchart of the quenching method provided in the embodiments of this application.

[0026] Explanation of reference numerals in the attached figures:

[0027] 100: Sensor body;

[0028] 110: Sensor head;

[0029] 111: Metal connecting pipe;

[0030] 112: Metal sensing element; 1121: First copper tube segment; 1122: Second copper tube segment; 1123: Third copper tube segment;

[0031] 120: Magnetic conductor;

[0032] 130: Metal parts;

[0033] 140: First connecting plate;

[0034] 150: Second connecting plate;

[0035] 160: Mounting hole;

[0036] 170: water hole;

[0037] 180: Connecting hole;

[0038] 200: Surface to be quenched.

[0039] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the preferred embodiments of this application will be described in more detail below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of this application, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0041] It should be noted that in the description of the embodiments of this application, the terms "upper", "lower", "inner", "outer" and other terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description, and do not indicate or imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of this application.

[0042] Furthermore, it should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0043] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0044] In the manufacturing process of engineering machinery parts, surface induction hardening is usually used to process the parts, so that a hardened layer of a certain thickness is generated on the surface of the parts, which improves the surface wear resistance while maintaining the toughness of the core.

[0045] In the prior art, the inductor is the main tooling for surface induction hardening, and the two ends of the inductor copper tube are usually bent away from the heating surface and the side of the workpiece.

[0046] However, the inductor cannot guarantee the actual heating range during the quenching process, which can easily lead to the workpiece side being heated and the workpiece chamfer temperature being too high, causing cracks. In addition, the bending at both ends of the inductor copper tube currently results in a shallow hardened layer depth at both ends of the workpiece, affecting the uniformity of the hardened layer distribution.

[0047] In view of this, the quenching inductor and quenching method provided in this application include an inductor body comprising an inductor head, a magnetic conductor, and multiple metal parts. The inductor head includes a metal connecting pipe and a metal inductor. The metal connecting pipe is set perpendicular to the surface to be quenched. The metal inductor has a channel for liquid flow and a connecting end communicating with the metal connecting pipe to allow access to a cooling liquid, ensuring the normal operation of the inductor body. The metal inductor is bent along a plane parallel to the surface to be quenched, and metal parts are fixedly installed on the metal inductor. The magnetic conductor is fixed to the metal inductor through the metal parts. This effectively prevents the workpiece side from being heated and the workpiece chamfer from cracking due to excessive temperature. It also prevents the hardened layer at both ends of the surface to be quenched from being too shallow, improving the uniformity of the hardened layer distribution.

[0048] The present application will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0049] Figure 1 This is a schematic diagram of the structure of the quenching inductor provided in the embodiments of this application; Figure 2 for Figure 1 A schematic diagram of the structure after removing the magnetic conductor; Figure 3 A diagram showing the usage status of the quenching inductor provided in the embodiments of this application; Figure 4 A flowchart of the quenching method provided in the embodiments of this application.

[0050] See Figures 1 to 3This application provides a quenching inductor, including at least one inductor body 100. The inductor body 100 includes an inductor head 110, a magnetic conductor 120, and multiple metal parts 130. The inductor head 110 includes two metal connecting pipes 111 and a metal inductor 112. The metal connecting pipes 111 are arranged perpendicular to the surface to be quenched 200, and the metal inductor 112 is arranged in a bent shape. The plane on which the metal inductor 112 is located is parallel to the surface to be quenched 200. The metal inductor 112 has a channel for liquid flow and two connecting ends. The connecting ends are connected to the channel and are correspondingly connected to the metal connecting pipes 111. The metal parts 130 are provided on the metal inductor 112, and the magnetic conductor 120 is fixed on the metal inductor 112 through the metal parts 130.

[0051] In some embodiments, the sensing head 110 includes a metal connecting pipe 111 and a metal sensing part 112. The metal connecting pipe 111 is arranged perpendicular to the surface to be quenched 200, and the metal sensing part 112 has a channel for liquid flow and a connecting end communicating with the metal connecting pipe 111 so as to connect to the liquid for cooling and ensure the normal operation of the sensor body 100.

[0052] Understandably, in conventional metal induction units 112, both ends are bent away from the sides of the workpiece, meaning they are bent at a certain angle relative to the surface to be quenched 200. However, during use, the magnetic field at both ends of the metal induction unit 112 weakens, resulting in a shallower hardened layer at both ends of the surface to be quenched 200, reducing the uniformity of the hardened layer distribution. Furthermore, the magnetic field at both ends of the metal induction unit 112 is unconstrained, causing the actual heating range to exceed the intended heating range, leading to overheating of the workpiece sides and excessively high chamfer temperatures, resulting in cracking. Therefore, in this application, the metal induction unit 112 is bent in a plane parallel to the surface to be quenched 200. In other words, the plane containing the metal induction unit 112 is parallel to the surface to be quenched 200, which effectively prevents the magnetic field at both ends of the metal induction unit 112 from being weakened, improves the heating effect, avoids a shallow hardened layer at both ends of the surface to be quenched 200, and thus improves the uniformity of the hardened layer distribution. Furthermore, a metal part 130 is provided on the metal sensing part 112, and then a magnetic conductor 120 used for driving current and guiding magnetism is fixed on the metal sensing part 112 through the metal part 130. The driving current effect of the magnetic conductor 120 causes the current to be concentrated on the side of the metal sensing part 112 facing the surface 200 to be quenched, thereby improving the heating effect. At the same time, the magnetic conductor 120 constrains the magnetic field at both ends of the metal sensing part 112, reducing the gap between the actual heating range and the intended heating range of the inductor body 100. Thus, it can effectively prevent the side of the workpiece from being heated and the workpiece chamfer from cracking due to excessive temperature.

[0053] See Figure 2In this embodiment, the metal sensing unit 112 includes a first copper tube segment 1121, two second copper tube segments 1122, and two third copper tube segments 1123. The two ends of the first copper tube segment 1121 are respectively vertically connected to the two second copper tube segments 1122, and the two second copper tube segments 1122 are located on the same side of the first copper tube segment 1121. The two third copper tube segments 1123 are respectively connected to the ends of the two second copper tube segments 1122 that are away from the first copper tube segment 1121, and the third copper tube segments 1123 are parallel to the first copper tube segment 1121. The ends of the two third copper tube segments 1123 that are away from the corresponding second copper tube segments 1122 form a connection end, and the two connection ends are adjacent.

[0054] The metal sensing unit 112 includes a first copper tube segment 1121, two second copper tube segments 1122 and two third copper tube segments 1123. The first copper tube segment 1121, the two second copper tube segments 1122 and the two third copper tube segments 1123 are integrally formed. During processing, the two second copper tube segments 1122 are respectively arranged perpendicularly to the two ends of the first copper tube segment 1121, and the two second copper tube segments 1122 are located on the same side of the first copper tube segment 1121.

[0055] It is understandable that the third copper tube segment 1123 is set in a one-to-one correspondence with the second copper tube segment 1122. That is, the two third copper tube segments 1123 are respectively set perpendicularly to the ends of the two second copper tube segments 1122 that are away from the first copper tube segment 1121. Thus, the third copper tube segment 1123 is parallel to the first copper tube segment 1121, and the ends of the two third copper tube segments 1123 that are away from the corresponding second copper tube segments 1122 form a connection end. The two connection ends are set opposite to each other. Thus, the metal sensing part 112 is bent in the plane, which can strengthen the magnetic field at both ends of the metal sensing part 112 and improve the heating effect. This avoids the hardened layer at both ends of the surface to be quenched being too shallow and improves the uniformity of the hardened layer distribution.

[0056] See Figure 1 and Figure 2 In this embodiment of the application, a magnetic conductor 120 is provided on the first copper tube segment 1121, the second copper tube segment 1122 and the third copper tube segment 1123; the metal part 130 is welded on two opposite surfaces of the metal sensing part 112, and the two ends of the magnetic conductor 120 respectively abut against the metal part 130.

[0057] In specific implementation, magnetic conductors 120 are provided on the first copper tube section 1121, the second copper tube section 1122, and the third copper tube section 1123. This helps to enhance the heating effect during use and effectively constrain the magnetic field, so that the magnetic field is mainly distributed within the width range of the metal induction part 112. This can effectively prevent the side of the workpiece from being heated and the chamfer temperature of the workpiece from being too high and cracking. At the same time, it avoids the hardened layer at both ends of the surface to be quenched being too shallow and improves the uniformity of the hardened layer distribution.

[0058] It is understandable that, in order to fix the magnetic conductor 120 on the first copper tube segment 1121, the second copper tube segment 1122, and the third copper tube segment 1123, metal parts 130 are welded on the first copper tube segment 1121, the second copper tube segment 1122, and the third copper tube segment 1123, so that when the magnetic conductor 120 is installed, its two ends respectively abut against the metal parts 130, so as to achieve the fixing and supporting function of the metal parts 130.

[0059] See Figure 1 In this embodiment, the magnetic conductor 120 is a silicon steel sheet, and the metal part 130 is a copper sheet.

[0060] It is understandable that the magnetic conductor 120 is made of silicon steel sheet. Silicon steel sheet has excellent magnetic conductivity and is not easily damaged during use. To a certain extent, this can avoid frequent replacement of the magnetic conductor 120 and effectively reduce maintenance costs.

[0061] Among them, the metal part 130 is a copper sheet. Copper sheets have good electrical and thermal conductivity, which ensures that the electrical performance of the sensor body 100 is stable and reliable during use, and at the same time keeps the sensor body 100 at a stable temperature.

[0062] See Figure 1 In this embodiment of the application, the metal connecting pipe 111 and the metal sensing part 112 are integrally formed.

[0063] In this application, the metal connecting pipe 111 and the metal connecting part 112 are integrally bent and formed, which makes it easier to process the metal connecting pipe 111 and the metal connecting part 112, improves production efficiency, and the integral molding has good sealing performance, which can avoid liquid leakage, thereby improving the durability and stability of the sensor body 100.

[0064] See Figure 1 In this embodiment of the application, the sensor body 100 further includes a first connecting plate 140 and a second connecting plate 150. The first connecting plate 140 and the second connecting plate 150 are respectively fixedly connected to the ends of the two metal connecting tubes 111 away from the metal sensing part 112. The first connecting plate 140 and the second connecting plate 150 are used to connect to the machine tool.

[0065] In specific implementation, in order to fix the sensor body 100 on the machine tool, the sensor body 100 is also provided with a first connecting plate 140 and a second connecting plate 150. During installation, the first connecting plate 140 is fixedly connected to the end of a metal connecting pipe 111 away from the metal sensing part 112, and the second connecting plate 150 is fixedly connected to the end of another metal connecting pipe 111 away from the metal sensing part 112. The first connecting plate 140 and the second connecting plate 150 not only connect the sensor body 100 to the machine tool, but also ensure stable current transmission and allow liquid to be introduced to cool the sensor body 100, thus ensuring the normal operation of the sensor body 100.

[0066] See Figure 1 In this embodiment of the application, at least one mounting hole 160 is provided on the first connecting plate 140 and the second connecting plate 150 respectively, and the first connecting plate 140 and the second connecting plate 150 are fixedly connected to the machine tool through the mounting hole 160.

[0067] In this application, the first connecting plate 140 and the second connecting plate 150 are respectively provided with mounting holes 160, and the sensor body 100 is fixedly connected to the machine tool through the mounting holes 160. In actual use, if the selected sensor body 100 is large in model and size, a support plate can also be connected through the mounting holes 160 to support the sensor body 100 and ensure the normal use of the sensor body 100.

[0068] It is understood that the number and layout of the mounting holes 160 are given only as an example, and the specific number can be set according to actual needs. This embodiment does not impose any limitations on them.

[0069] See Figure 1 In this embodiment of the application, the first connecting plate 140 and the second connecting plate 150 are respectively provided with a water passage hole 170 and a connecting hole 180 communicating with the water passage hole 170. The water passage hole 170 is used to connect cooling water; the connecting hole 180 is connected with the sensing head 110 to form a cooling water circuit.

[0070] In some embodiments, both the first connecting plate 140 and the second connecting plate 150 are provided with water passage holes 170, through which cooling water is introduced.

[0071] To allow cooling water to enter the sensor head 110 through the water inlet 170, both the first connecting plate 140 and the second connecting plate 150 are provided with connecting holes 180. Each connecting hole 180 corresponds to and communicates with a water inlet 170, and the connecting hole 180 is also connected to a metal connecting pipe 111. After the water inlet 170 and the metal connecting pipe 111 are connected through the connecting hole 180, the perforated portion of the connecting hole 180 is sealed to prevent cooling water from flowing out. Thus, during use, cooling water can sequentially enter the sensor head 110 through one of the water inlets 170 and the connecting hole 180, and then exit through the other water inlet 170, forming a cooling water circuit within the sensor body 100. This prevents damage to the sensor body 100 due to overheating during use and maintains the normal operating temperature of the sensor body 100.

[0072] See Figure 3 In this embodiment of the application, there are two sensor bodies 100, and the two sensor bodies 100 are arranged opposite to each other.

[0073] In this application, there are two sensor bodies 100, which are used for preheating and heating respectively, and the two sensor bodies 100 are arranged opposite to each other. The heating temperature of the sensor body 100 used for preheating is slightly lower than the heating temperature of the sensor body 100 used for heating.

[0074] During use, the surface to be quenched 200 first passes through the inductor body 100 for preheating, and then passes through the inductor body 100 for heating. With this design, the surface to be quenched 200 can be heated more evenly, so as to reduce the tendency of deformation and cracking, and deepen the hardened layer and improve the surface hardness of the workpiece.

[0075] See Figure 4 Based on the above embodiments, this application also provides a quenching method using the above-mentioned quenching inductor. The quenching method includes the following steps:

[0076] S101. Place the quenching inductor above the surface to be quenched 200 and connect the quenching inductor to the machine tool.

[0077] In practice, before heating the surface 200 to be quenched, the quenching inductor is fixedly installed on the machine tool, with the quenching inductor positioned above the surface 200 to be quenched. The distance between the quenching inductor and the surface 200 to be quenched is adjusted to be between 3mm and 4mm. It can be understood that the closer the distance, the easier it is to heat the surface 200 to be quenched, and the deeper the hardened layer after quenching. However, if the distance between the quenching inductor and the surface 200 to be quenched is too small, collisions may occur, damaging the workpiece and the machine tool.

[0078] S102. Cooling water is supplied to the quenching inductor via the machine tool.

[0079] In particular, supplying cooling water to the quenching inductor through the machine tool can effectively protect the quenching inductor and prevent it from being damaged due to excessive temperature during use.

[0080] S103. Adjust the heating temperature of the quenching inductor by controlling the voltage of the machine tool to heat the surface 200 to be quenched.

[0081] Then, the machine tool supplies power to the quenching inductor. After power is supplied, the quenching inductor generates a magnetic field, which heats the surface 200 to be quenched through induction heating. The frequency and power of the quenching inductor can be adjusted by the machine tool. The frequency of the quenching inductor is between 4kHz and 6kHz, and the power is between 40kW and 60kW. It can be understood that the power of the quenching inductor directly affects the heating temperature. The higher the power, the higher the temperature. Therefore, the heating temperature of the quenching inductor on the machine tool can be used to heat the surface 200 to be quenched.

[0082] In summary, the quenching inductor and quenching method provided in this application include an inductor body 100 comprising an inductor head 110, a magnetic conductor 120, and multiple metal parts 130. The inductor head 110 includes a metal connecting pipe 111 and a metal inductor 112. The metal connecting pipe 111 is positioned perpendicular to the surface to be quenched 200. The metal inductor 112 has a channel for liquid flow and a connecting end communicating with the metal connecting pipe 111 to allow access to a cooling liquid, ensuring the normal operation of the inductor body 100. The metal inductor 112 is bent along a plane parallel to the surface to be quenched 200, and the metal parts 130 are fixedly mounted on the metal inductor 112. The magnetic conductor 120 is fixed to the metal inductor 112 via the metal parts 130. This effectively prevents the workpiece side from being heated and the workpiece chamfer from cracking due to excessive temperature, while also preventing the hardened layer depth at both ends of the surface to be quenched from being too shallow, thus improving the uniformity of the hardened layer distribution.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A quenching inductor, characterized in that, The device includes at least one sensor body (100), which includes a sensing head (110), a magnetic conductor (120), and multiple metal parts (130). The sensing head (110) includes two metal connecting tubes (111) and a metal sensing part (112). The metal connecting tubes (111) are arranged perpendicular to the surface to be quenched (200), and the metal sensing part (112) is arranged in a bent shape. The plane in which the metal sensing part (112) is located is parallel to the surface to be quenched (200). The metal sensing part (112) has a channel for liquid flow and two connecting ends, the connecting ends being connected to the channel and correspondingly connected to the metal connecting pipe (111); A metal part (130) is provided on the metal sensing part (112), and the magnetic conductor (120) is fixed on the metal sensing part (112) by the metal part (130); The metal sensing unit (112) includes a first copper tube segment (1121), two second copper tube segments (1122) and two third copper tube segments (1123). The two ends of the first copper tube segment (1121) are respectively vertically connected to the two second copper tube segments (1122), and the two second copper tube segments (1122) are located on the same side of the first copper tube segment (1121). The two third copper pipe segments (1123) are respectively connected to the ends of the two second copper pipe segments (1122) that are away from the first copper pipe segment (1121), and the third copper pipe segments (1123) are parallel to the first copper pipe segment (1121); The two ends of the third copper tube segment (1123) opposite to the ends of the corresponding second copper tube segment (1122) form the connecting ends, and the two connecting ends are adjacent to each other; The first copper tube segment (1121), the second copper tube segment (1122) and the third copper tube segment (1123) are all provided with the magnetic conductor (120). The metal part (130) is welded to two opposite surfaces of the metal sensing part (112), and the two ends of the magnetic conductor (120) respectively abut against the metal part (130).

2. The quenching inductor according to claim 1, characterized in that, The magnetic conductor (120) is a silicon steel sheet, and the metal part (130) is a copper sheet.

3. The quenching inductor according to claim 1, characterized in that, The metal connecting pipe (111) and the metal sensing part (112) are integrally formed.

4. The quenching inductor according to any one of claims 1 to 3, characterized in that, The sensor body (100) further includes a first connecting plate (140) and a second connecting plate (150). The first connecting plate (140) and the second connecting plate (150) are respectively fixedly connected to one end of the two metal connecting tubes (111) away from the metal sensing part (112). The first connecting plate (140) and the second connecting plate (150) are used to connect to the machine tool.

5. The quenching inductor according to claim 4, characterized in that, The first connecting plate (140) and the second connecting plate (150) are respectively provided with at least one mounting hole (160), and the first connecting plate (140) and the second connecting plate (150) are fixedly connected to the machine tool through the mounting hole (160).

6. The quenching inductor according to claim 5, characterized in that, The first connecting plate (140) and the second connecting plate (150) are respectively provided with a water passage hole (170) and a connecting hole (180) communicating with the water passage hole (170), and the water passage hole (170) is used to connect cooling water; The connecting hole (180) is connected to the sensing head (110) to form a cooling water circuit.

7. The quenching inductor according to claim 6, characterized in that, The number of sensor bodies (100) is two, and the two sensor bodies (100) are arranged opposite to each other.

8. A quenching method, characterized in that, Using the quenching inductor according to any one of claims 1 to 7, the quenching method includes the following steps: Place the quenching sensor above the surface to be quenched (200), and connect the quenching sensor to the machine tool; Cooling water is supplied to the quenching inductor via a machine tool; The heating temperature of the quenching inductor is adjusted by controlling the voltage of the machine tool to heat the surface (200) to be quenched.

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