Crankshaft scanning sensor for improving quenching uniformity

Abstract

The utility model relates to a crankshaft scanning inductor capable of improving quenching uniformity, which comprises a first arc coil, a second arc coil and a third arc coil, and the three arc coils form a circular coil; the first arc-shaped coil is of a semicircular structure, the two ends of the first arc-shaped coil are connecting ends, and the middle is connected with a first water inlet pipe. The upper end of the second arc-shaped coil is a connecting part, and the lower end is connected with a second water inlet pipe; the upper end of the third arc-shaped coil is a connecting part, and the lower end is connected with a third water inlet pipe; the first arc-shaped coil is further connected with two fourth water inlet pipes, and the two fourth water inlet pipes are located on the two sides of the first water inlet pipe correspondingly; the second arc-shaped coil is further connected with a fifth water inlet pipe, and the third arc-shaped coil is further connected with a sixth water inlet pipe. The water feeding distance is shortened by additionally arranging the water inlet, the spray quenching process is completed while heating is conducted, meanwhile, the effective ring is cooled, and the continuous machining requirement is met.

Description

Technical Field

[0001] The utility model relates to the field of quenching equipment, in particular to a crankshaft scanning sensor for improving quenching uniformity. Background Art

[0002] Induction hardening is a metal heat treatment method that uses electromagnetic coils to generate a certain amount of electromagnetic induction on the surface of the workpiece, quickly heats the surface of the part, and then quickly cools it to complete the quenching. For workpieces with regular shapes, multi-turn copper coils can be designed according to the size of the part for heating, but for irregular parts to be processed, a proprietary sensor needs to be designed according to the characteristics of the part. At present, an eccentric crankshaft opening and closing scanning sensor is designed for the YF300 water injection pump crankshaft, which is suitable for large-sized journals.

[0003] Referring to the prior patent - CN220999708U opening and closing scanning sensor, the existing eccentric crankshaft opening and closing scanning sensor has three water inlets, which is suitable for the induction quenching of crankshafts with small-sized journals. However, in the induction quenching of large-sized journals, it is inevitable that uneven quenching will occur due to the long water supply distance and uneven cooling water spray. Utility Model Content

[0004] The technical problem to be solved by the utility model is: to overcome the shortcomings of the prior art, to provide a crankshaft scanning sensor for improving quenching uniformity, and to solve the technical problem that the current scanning sensor has uneven cooling water spray during induction quenching of large-sized journals, resulting in uneven quenching.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A crankshaft scanning sensor for improving quenching uniformity is provided, comprising:

[0007] A first arc coil, a second arc coil and a third arc coil, the three arc coils form a circular coil;

[0008] The first arc-shaped coil is a semicircular structure, with two ends being connecting ends, and the middle part thereof being connected to the first water inlet pipe;

[0009] The upper end of the second arc coil is a connecting portion, and the lower end thereof is connected to the second water inlet pipe; the upper end of the third arc coil is a connecting portion, and the lower end thereof is connected to the third water inlet pipe;

[0010] The first arc coil is also connected to two fourth water inlet pipes, which are respectively located on both sides of the first water inlet pipe;

[0011] The second arc coil is also connected to a fifth water inlet pipe, and the third arc coil is also connected to a sixth water inlet pipe.

[0012] Furthermore, the outer ends of each water inlet pipe are connected to a water inlet joint.

[0013] Furthermore, each water inlet pipe is a square pipe.

[0014] Furthermore, each water inlet pipe is connected to the arc coil by welding.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides a crankshaft scanning sensor for improving quenching uniformity. On the basis of the original crankshaft scanning sensor, a water inlet is added to shorten the water supply distance, and the spray quenching process is completed during heating, and the effective circle is cooled at the same time to meet the continuous processing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of a crankshaft scanning sensor for improving quenching uniformity according to the utility model;

[0019] in,

[0020] 1. first arc coil, 2. second arc coil, 3. third arc coil;

[0021] 41, a first water inlet pipe, 42, a second water inlet pipe, 43, a third water inlet pipe, 44, a fourth water inlet pipe, 45, a fifth water inlet pipe, 46, a sixth water inlet pipe;

[0022] 5. Water inlet connector. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The present application provides a crankshaft scanning sensor for improving quenching uniformity, which is described in detail below. It should be noted that the description order of the following embodiments is not intended to limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0025] In order to solve the technical problem in the prior art that the scanning sensor sprays uneven cooling water during induction quenching of large-sized journals, resulting in uneven quenching, an embodiment of the present application provides a crankshaft scanning sensor that improves quenching uniformity.

[0026] like Figure 1 As shown, a crankshaft scanning sensor for improving quenching uniformity includes

[0027] The first arc coil 1, the second arc coil 2 and the third arc coil 3, the three arc coils form a circular coil;

[0028] The first arc coil 1 is a semicircular structure, with both ends being connecting ends, and the middle thereof being connected to the first water inlet pipe 41;

[0029] The upper end of the second arc coil 2 is a connection part, and the lower end thereof is connected to the second water inlet pipe 42; the upper end of the third arc coil 3 is a connection part, and the lower end thereof is connected to the third water inlet pipe 43;

[0030] The first arc coil 1 is also connected to two fourth water inlet pipes 44, and the two fourth water inlet pipes 44 are respectively located on both sides of the first water inlet pipe 41;

[0031] The second arc coil 2 is also connected to a fifth water inlet pipe 45 , and the third arc coil 3 is also connected to a sixth water inlet pipe 46 .

[0032] In this embodiment, the outer ends of each water inlet pipe are connected to the water inlet joint 5.

[0033] The water inlet joint 5 is connected to the water inlet pipe by welding, and the water inlet joint 5 is circular.

[0034] In this embodiment, each water inlet pipe is a square pipe.

[0035] In this embodiment, each water inlet pipe is connected to the arc coil by welding.

[0036] In this embodiment, the connection parts of the three coils are closed ends, liquid cannot flow, and a plurality of spray holes are provided on the inner side of the coils.

[0037] In this embodiment, an insulating partition is provided between the second arc coil 2 and the third arc coil 3 , and an insulating partition is provided between the second water inlet pipe 42 and the third water inlet pipe 43 .

[0038] In this embodiment, the lower end of the second water inlet pipe 42 is connected to the positive electrode wiring copper bar, and the lower end of the third water inlet pipe 43 is connected to the negative electrode wiring copper bar.

[0039] like Figure 1The crankshaft scanning sensor shown in the figure improves the quenching uniformity. When the eccentric crankshaft connecting rod journal is subjected to induction quenching heating, the annular coil composed of three arc coils is inserted into the crankshaft connecting rod journal to be processed and fixed with bolts. The insulating partition can prevent electromagnetic induction. The sensor base is fixed on the quenching machine. 3S after the heating starts, cooling water is introduced through each water inlet joint 5. The cooling water cools down the entire effective circle and is sprayed out from the water spray hole to cool and quench the crankshaft journal.

[0040] The scanning sensor of the utility model shortens the water supply distance by increasing the water inlet, completes the spray quenching process while heating, and cools the effective circle at the same time, thus meeting the continuous processing requirements.

[0041] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0042] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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 describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0044] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0045] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0046] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0047] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A crankshaft scanning sensor for improving quenching uniformity, characterized in that: include A first arc coil (1), a second arc coil (2) and a third arc coil (3), wherein the three arc coils form a circular coil; The first arc-shaped coil (1) is a semicircular structure, with two ends being connecting ends, and the middle portion thereof being connected to the first water inlet pipe (41); The upper end of the second arc-shaped coil (2) is a connecting portion, and the lower end thereof is connected to the second water inlet pipe (42); the upper end of the third arc-shaped coil (3) is a connecting portion, and the lower end thereof is connected to the third water inlet pipe (43); The first arc-shaped coil (1) is also connected to two fourth water inlet pipes (44), and the two fourth water inlet pipes (44) are respectively located on both sides of the first water inlet pipe (41); The second arc-shaped coil (2) is also connected to a fifth water inlet pipe (45), and the third arc-shaped coil (3) is also connected to a sixth water inlet pipe (46).

2. The crankshaft scanning sensor for improving quenching uniformity according to claim 1, characterized in that: The outer ends of each water inlet pipe are connected to a water inlet joint (5).

3. The crankshaft scanning sensor for improving quenching uniformity according to claim 1, characterized in that: Each water inlet pipe is a square pipe.

4. The crankshaft scanning sensor for improving quenching uniformity according to claim 1, characterized in that: Each water inlet pipe is connected to the arc coil by welding.

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