Inner diameter induction quenching coil structure of metal product

Abstract

The utility model discloses a metal product inner diameter induction quenching coil structure, and particularly relates to the technical field of quenching coils, the metal product inner diameter induction quenching coil structure comprises an inductor and a spray thrower integrated on the inductor, one end of the spray thrower is provided with two bottom plates which are symmetrically distributed front and back, the bottom of the spray thrower is provided with a first magnetizer, and the bottom of the first magnetizer is provided with a second magnetizer. A plurality of detachable second magnetizers are fixedly arranged on the inner side wall of the first magnetizer, the second magnetizers and the sprayer are detachably fixed together, a spraying cavity and a cooling cavity are formed in the sprayer, and a plurality of spraying holes communicated with the spraying cavity are formed in the outer side wall of the sprayer. A traditional manual coil manufacturing mode is replaced by 3D printing, the problems of water leakage, poor size, small flow and the like caused by welding assembly are reduced, the coil is thin and stable in performance, and the coil is particularly suitable for induction quenching of the inner wall of a long and narrow part and effectively aims at induction quenching of multiple sections of long and narrow positions.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching coil technical field, more specifically, a metal product inner diameter induction quenching coil structure. BACKGROUND

[0002] The tooth shape of the inner diameter tooth shape part of the special-shaped workpiece needs to be assembled and transmit torque, so the tooth shape needs to have high hardness and strength, and the part usually needs to be heated and cooled by induction quenching. The existing induction quenching device generally includes an inductor and a sprayer, and the two parts are usually separately manufactured and manually manufactured. The two parts are first divided into multiple components for machining, and then assembled together by manual welding. The process often depends on the skill level of the person, and is limited by the machining difficulty and the operability of welding. The process often causes water leakage at the welded part of the manufactured coil, poor size consistency, low service life, insufficient water flow, and other problems.

[0003] In addition, the existing technology has a narrow and long quenching position, and the quenching position is discontinuous at four places. The traditional manually manufactured coil cannot achieve the thin feature when the sprayer and the inductor are assembled together. The hardness of the inner diameter of the special-shaped workpiece can only be improved by end face quenching to improve the depth of the hardened layer, which causes uneven hardness distribution and cannot ensure that the tooth surface that transmits torque has improved hardness. Based on this, the utility model provides a metal product inner diameter induction quenching coil structure. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a metal product inner diameter induction quenching coil structure, which replaces the traditional manual coil manufacturing method by 3D printing, reduces the problems of water leakage, size defects, and small flow caused by welding assembly, realizes a thin and stable performance coil, and is particularly suitable for induction quenching of the inner wall of a narrow and long part, and effectively targets induction quenching of multiple narrow and long positions.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a metal product inner diameter induction quenching coil structure, including an inductor and a sprayer integrated on the inductor, one end of the sprayer is provided with two front and rear symmetrical distribution bottom plates, the bottom of the sprayer is provided with a first magnetic conductor, a plurality of detachable second magnetic conductors are fixedly arranged on the inner side wall of the first magnetic conductor, the second magnetic conductors are detachably fixed with the sprayer, the inside of the sprayer is provided with a spraying cavity and a cooling cavity, a plurality of spraying holes communicating with the spraying cavity are formed in the outer side wall of the sprayer, the inductor includes an induction coil arranged in the sprayer, and a cooling water inlet pipe and a cooling water outlet pipe fixed to one end of the sprayer, the cooling water inlet pipe and the cooling water outlet pipe are fixed to the outer side of the two bottom plates respectively, and the cooling water inlet pipe and the cooling water outlet pipe are in communication with the cooling cavity.

[0006] In a preferred embodiment, an insulating plate is fixed between the two bottom plates, one end of the insulating plate is fixed with the sprayer, and the cooling water inlet pipe and the cooling water outlet pipe are respectively fixed on the front and rear sides of the insulating plate.

[0007] In a preferred embodiment, the top end of the sprayer is communicated with two spray water pipes, the top end of each of the two spray water pipes is communicated with a filter cartridge, an annular groove is formed in the top of each of the two filter cartridges, a hollow pipe is inserted into the annular groove, and a filter screen is fixed in the hollow pipe.

[0008] In a preferred embodiment, a plurality of threaded rods are fixed on the inner side wall of the sprayer, a plurality of through holes are formed in the inner wall of each second magnetic conductor, the plurality of threaded rods respectively penetrate through the plurality of through holes, and a nut for fixing the second magnetic conductor is threadedly connected to one end of each threaded rod.

[0009] In a preferred embodiment, each second magnetic conductor is detachably fixed with the first magnetic conductor through bolts, so that the first magnetic conductor and the second magnetic conductor can be conveniently disassembled.

[0010] In a preferred embodiment, a communication port is formed in one side of each of the two bottom plates, the two communication ports are respectively communicated with the cooling water inlet pipe and the cooling water outlet pipe, and a detachable filter screen is fixed in each communication port for filtering the cooling water.

[0011] In a preferred embodiment, the inductor and the sprayer are integrated and formed by 3D printing, and the diameter of the spray hole is 1-1.5 mm.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] The utility model utilizes the advantages of 3D printing integrated molding, the overall structure can be made thinner, the inner wall of the slot part can be directly quenched, the quenching effect is better, and the hardness distribution is more uniform.

[0014] The utility model utilizes the advantages of 3D printing integrated molding, replaces the traditional manual coil manufacturing mode, reduces the problems of water leakage, size defect, small flow caused by welding assembly, and the like, the metal product inner diameter induction quenching coil made is good in consistency, stable in size, long in service life, better in cooling and spraying, can effectively improve quenching efficiency, reduce assembly and debugging time, and provides great help for stable batch production.

[0015] By setting filter cartridge on two spray water pipes, the filter screen in the filter cartridge is used to filter the spray water, so as to prevent impurities in the spray water from blocking the spray holes, after not being used, the staff dismounts the filter cartridge and the spray water pipe, the hollow pipe can be taken out from the annular slot, the filter screen is cleaned, the second magnet is fixed on the sprayer by using the nut and threaded rod fixing mode, and the first magnet and the second magnet are fixed together by using the bolt, so that the first magnet and the second magnet are quickly dismounted and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the utility model;

[0017] Fig. 2 It is a whole structure front view of the utility model;

[0018] Fig. 3 It is a sprayer top view of the utility model;

[0019] Fig. 4 It is a sprayer section view of the utility model;

[0020] Fig. 5 It is a second magnet and first magnet structure view of the utility model;

[0021] Fig. 6 It is a threaded rod and nut structure view of the utility model.

[0022] The figure signs are: 1, inductor; 2, sprayer; 3, bottom plate; 4, first magnet; 5, second magnet; 6, spray cavity; 7, cooling cavity; 8, spray hole; 9, insulating plate; 10, spray water pipe; 11, filter cartridge; 12, annular groove; 13, hollow pipe; 14, filter screen; 15, threaded rod; 16, perforation; 17, nut; 18, communication port; 19, filter screen;

[0023] 101, induction coil; 102, cooling water inlet pipe; 103, cooling water outlet pipe. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Refer to the drawings in the description Figs. 1-6The utility model provides a metal product inner diameter induction quenching coil structure, including inductor 1 and the sprayer 2 integrated on inductor 1, inductor 1, sprayer 2 become integral and adopt 3D printing forming, the sprayer 2 one end is equipped with two front and back symmetry distribution's bottom plate 3, the sprayer 2 bottom is equipped with first magnetoelectric body 4, the inside wall of first magnetoelectric body 4 is fixed with a plurality of detachable second magnetoelectric body 5, second magnetoelectric body 5 and sprayer 2 are detachably fixed together,

[0026] The sprayer 2 is internally provided with a spraying cavity 6 and a cooling cavity 7, the outer wall of the sprayer 2 is provided with a plurality of spraying holes 8 in communication with the spraying cavity 6, the diameter of the spraying hole 8 is 1-1.5 mm, the inductor 1 comprises an induction coil 101 arranged in the sprayer 2, a cooling water inlet pipe 102 and a cooling water outlet pipe 103 fixed to one end of the sprayer 2, the cooling water inlet pipe 102 and the cooling water outlet pipe 103 are fixed to the outer sides of the two bottom plates 3 respectively, and the cooling water inlet pipe 102 and the cooling water outlet pipe 103 are in communication with the cooling cavity 7.

[0027] Furthermore, an insulating plate 9 is fixed between the two bottom plates 3, one end of the insulating plate 9 is fixed to the sprayer 2, the cooling water inlet pipe 102 and the cooling water outlet pipe 103 are fixed to the front and rear sides of the insulating plate 9 respectively, and the cooling water inlet pipe 102 and the cooling water outlet pipe 103 are used to deliver cooling water, so as to cool the induction coil 101 in the sprayer 2.

[0028] Furthermore, the top end of the sprayer 2 is communicated with two spraying water pipes 10, one side of each of the two bottom plates 3 is provided with a communication port 18, the two communication ports 18 are respectively communicated with the cooling water inlet pipe 102 and the cooling water outlet pipe 103, and a detachable filter screen 19 is fixed in each of the two communication ports 18, for filtering the cooling water.

[0029] In use, first, the sprayer 2 is placed in the inner diameter slot of the metal product, then the two spray pipes 10 are connected with the spray pipe 10, the spray water is transported to the spray cavity 6 through one of the spray pipes 10, the spray liquid flow is greater than 12L / min, and then is sprayed to the metal product for quenching cooling, at the same time, the cooling inlet pipe 102 and the cooling outlet pipe 103 are connected with the cooling water pipe, the cooling water is transported to the cooling cavity 7 through the cooling inlet pipe 102, the cooling water flow is greater than 12L / min, and then flows out from the cooling outlet pipe 103, the inductor 101 in the sprayer 2 is cooled by the cooling water, and the inductor 1 and the sprayer 2 are integrated and formed by 3D printing, instead of the traditional manual coil manufacturing method, so as to reduce the problems of water leakage, size defect, small flow and the like caused by welding assembly, the inductive quenching coil has good consistency, size temperature, long service life, better cooling and spraying, can effectively improve the delivery efficiency, reduce the assembly and debugging time, and provides great help for stable batch production.

[0030] Referring to the drawings accompanying Figs. 1-6 The top of each of the two spray pipes 10 is connected with a filter cylinder 11, the top of each of the two filter cylinders 11 is provided with an annular groove 12, a hollow pipe 13 is inserted into the annular groove 12, and a filter screen 14 is fixedly arranged in the hollow pipe 13.

[0031] A plurality of threaded rods 15 are fixedly arranged on the inner side wall of the sprayer 2, a plurality of through holes 16 are arranged on the inner wall of each second magnetic conductor 5, the plurality of threaded rods 15 respectively penetrate through the plurality of through holes 16, and a nut 17 for fixing the second magnetic conductor 5 is threadedly connected to one end of each threaded rod 15.

[0032] Each second magnetic conductor 5 is detachably fixed with the first magnetic conductor 4 through bolts, so that the first magnetic conductor 4 and the second magnetic conductor 5 can be conveniently disassembled.

[0033] The filter screen 14 in the filter cylinder 11 is used to filter the spray water, so that the impurities in the spray water do not block the spray holes 8.

[0034] Finally: the above described is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A metal product inside diameter induction quench coil configuration, characterized by: The utility model provides an induction device, including inductor (1) and integrated on inductor (1) sprayer (2), and sprayer (2) one end is equipped with two front and rear symmetry distribution's bottom plate (3), The bottom of the sprayer (2) is provided with a first magnetic conductor (4), the inner side wall of the first magnetic conductor (4) is fixedly provided with a plurality of detachable second magnetic conductors (5), the second magnetic conductors (5) are detachably fixed with the sprayer (2), the inside of the sprayer (2) is provided with a spraying cavity (6) and a cooling cavity (7), and a plurality of spraying holes (8) communicating with the spraying cavity (6) are formed in the outer side wall of the sprayer (2). The inductor (1) includes an induction coil (101) arranged in the sprayer (2), a cooling water inlet pipe (102) and a cooling water outlet pipe (103) fixed to one end of the sprayer (2), the cooling water inlet pipe (102) and the cooling water outlet pipe (103) are respectively fixed to the outer sides of the two bottom plates (3), and the cooling water inlet pipe (102) and the cooling water outlet pipe (103) are in communication with the cooling cavity (7).

2. A metal product internal diameter induction quench coil structure according to claim 1, characterized in that: An insulating plate (9) is fixed between the two bottom plates (3), one end of the insulating plate (9) is fixed with the sprayer (2), and the cooling water inlet pipe (102) and the cooling water outlet pipe (103) are respectively fixed to the front and rear sides of the insulating plate (9).

3. A metal product internal diameter induction quenching coil structure according to claim 1, characterized in that: The top end of the sprayer (2) is communicated with two spraying water pipes (10), the top end of each spraying water pipe (10) is communicated with a filter cartridge (11), an annular groove (12) is formed in the top of each filter cartridge (11), a hollow pipe (13) is inserted into the annular groove (12), and a filter screen (14) is fixedly arranged in the hollow pipe (13).

4. A metal product internal diameter induction quenching coil structure according to claim 1, characterized in that: A plurality of threaded rods (15) are fixedly arranged on the inner side wall of the sprayer (2), a perforation (16) is formed in the inner wall of each second magnetic conductor (5), the plurality of threaded rods (15) respectively penetrate through the plurality of perforations (16), and a nut (17) for fixing the second magnetic conductor (5) is threadedly connected to one end of each threaded rod (15).

5. A metal product internal diameter induction quenching coil structure according to claim 1, characterized in that: Each second magnetic conductor (5) is detachably fixed with the first magnetic conductor (4) through a bolt.

6. A metal product internal diameter induction quenching coil structure according to claim 1, characterized in that: One side of each bottom plate (3) is provided with a communication port (18), the two communication ports (18) are respectively communicated with the cooling water inlet pipe (102) and the cooling water outlet pipe (103), and a detachable filter screen (19) is fixedly arranged in each communication port (18).

7. A metal product internal diameter induction quenching coil structure according to claim 1, characterized in that: The inductor (1) and the sprayer (2) are integrated and formed by 3D printing, and the diameter of the spraying hole (8) is 1-1.5 mm.

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