Hub bearing quenching inductor

Abstract

The utility model relates to the technical field of heat treatment processing, and discloses a hub bearing quenching inductor which comprises a shaft shoulder induction coil and a raceway induction coil which are arranged up and down, and the shaft shoulder induction coil and the raceway induction coil are coaxially arranged; the shaft shoulder induction coil comprises two arc-shaped coils which are symmetrically arranged, one end of each arc-shaped coil is fixed at one end of the corresponding water inlet pipe, and a power supply connecting plate is fixed at the other end of the water inlet pipe; the other end of each arc-shaped coil is connected with the two ends of the raceway induction coil through a vertical connecting part; and the middle part of the raceway induction coil is connected with a water outlet pipe. And the water inlet pipe, the water outlet pipe and the vertical connecting part are conductors. By setting a two-inlet and one-outlet cooling mode, the flowing path of cooling water can be shortened by half, so that the cooling efficiency of the induction coil is improved, meanwhile, the influence on the cooling effect of the induction coil on the downstream section can be reduced, and the service life of the induction coil is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment processing technical field especially relates to a hub bearing quenching inductor. BACKGROUND

[0002] The hub bearing is applied to the automobile axle and is used to bear and provide accurate guide for the rotation of the hub, bears the heavy responsibility of reducing the friction resistance when the chassis runs, maintains the heavy responsibility of the normal driving of the automobile, so the hub bearing as the key part of the automobile part must be strictly controlled in quality. Generally needs to pass through heat treatment process to obtain higher hardness, strength and longer service life, usually we use quenching to reach these requirements, the current market generally through the inductor coil to the hub bearing accessory heating completes the heat treatment work. The authorized announcement no. CN 209260141 U discloses a kind of high-frequency quenching inductor ring of automobile hub bearing, including first vertical water pipe section and first arc water pipe section, both outer ends of first arc water pipe section are welded with first vertical water pipe section;Two first vertical water pipe section upper end are all vertically welded with interface section, interface section, first vertical water pipe section and first arc water pipe section are all wound with inductor coil, first vertical water pipe section is installed with first silicon steel sheet, first silicon steel sheet both sides are fixed with first mica sheet, first arc water pipe section is vertically fixed with second silicon steel sheet, second silicon steel sheet upper end surface is pressed with second mica sheet, and second mica sheet is fixedly connected with first arc water pipe section. The cooling water of its cooling coil enters from one interface section, then sequentially passes through first vertical water pipe section, first arc water pipe section and the like and flows out from another interface section, and the cooling water adopts single-in single-out cooling mode, the path of cooling water flow is relatively long, the cooling efficiency of inductor coil is relatively low, thereby affecting the quenching efficiency of the whole hub bearing accessory, and the cooling effect of the coil on the downstream section is greatly discounted, thereby affecting the service life of inductor coil. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of hub bearing quenching inductor, by setting two-in one-out cooling mode, the flow path of half cooling water can be shortened, to improve the cooling efficiency of inductor coil, while the influence of the cooling effect of inductor coil on the downstream section can be reduced, improve the service life of inductor coil.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A kind of hub bearing quenching inductor, including the shoulder inductor coil and raceway inductor coil being arranged in upper and lower, the shoulder inductor coil and raceway inductor coil are coaxially arranged;The shoulder inductor coil includes two symmetrically arranged arc-shaped coils, one end of each arc-shaped coil is fixed to one end of corresponding water inlet pipe, and the other end of the water inlet pipe is fixed with a power connection plate;

[0006] The other end of each arc-shaped coil is connected with the two ends of the raceway induction coil through a vertical connecting part respectively;

[0007] The middle part of the raceway induction coil is connected with a water outlet pipe. The water inlet pipe, the water outlet pipe and the vertical connecting part are all conductive bodies.

[0008] By arranging two water inlet pipes, one half of the cooling path can be reduced by the cooling water, so that the cooling of the corresponding induction coil can be accelerated, the induction coil can be effectively protected, and the service life of the induction coil is improved.

[0009] In use, the water outlet pipe and the water inlet pipe are connected with the water supply pipe and the return pipe of the cooling system respectively. The flow direction of the cooling water is that the cooling water in the water supply pipe enters the corresponding arc-shaped coil through the two water inlet pipes, then flows through the arc-shaped coil, the vertical connecting part and the end part of the raceway induction coil to the middle part of the raceway induction coil in turn, and finally the two paths of cooling water converge to the middle part of the raceway induction coil and are discharged from the water outlet pipe to the return pipe of the cooling system.

[0010] In use, the power connection plate is fixed on the corresponding tool, and the hub bearing is fixed on the corresponding rotatable tool. When quenching, the quenching inductor is inserted into the hub bearing, and then the power connection plate is powered on, so that the shaft shoulder induction coil and the raceway induction coil heat the shaft shoulder part and the raceway part of the hub bearing, thereby performing quenching work.

[0011] The utility model further sets up: the raceway induction coil and shaft shoulder induction coil each is equipped with a plurality of silicon steel sheet. Through setting up silicon steel sheet can make magnetic field more stable and strengthen, thereby improving quenching efficiency.

[0012] The utility model further sets up: the arc-shaped coil is equipped with first special-shaped channel, and one end of first special-shaped channel is communicated with water inlet pipe and sets up;

[0013] The raceway induction coil is equipped with second special-shaped channel, and the middle part of second special-shaped channel is communicated with water outlet pipe and sets up;

[0014] The vertical connecting part is equipped with third special-shaped channel, and the other end of first special-shaped channel is communicated with the corresponding end of second special-shaped channel.

[0015] First special-shaped channel, second special-shaped channel and third special-shaped channel ensure the smooth flow of cooling water, and the three kinds of channels are specially set up, so that the heat exchange area can be increased, and the heat exchange efficiency can be further improved.

[0016] The utility model further sets up: the vertical connecting part includes the upper connecting part matched with the cross section of arc-shaped coil, the lower connecting part matched with the cross section of raceway induction coil and the intermediate body connecting the upper connecting part and the lower connecting part.

[0017] The third irregular channel comprises a first counterbore formed on the upper connecting part, a second counterbore formed on the lower connecting part and a liquid passage hole formed in the intermediate body, and the liquid passage hole communicates the first counterbore and the second counterbore;

[0018] The opening side of the first counterbore is connected with one end of the first irregular channel away from the water inlet pipe;

[0019] The opening side of the second counterbore is connected with one end of the second irregular channel.

[0020] The upper connecting part is similar to the arc-shaped coil and is arranged in cooperation with the arc-shaped coil, so that the welding work between the upper connecting part and the arc-shaped coil is facilitated, and the welding sealing performance is improved.

[0021] Similarly, the lower connecting part is similar to the end of the raceway induction coil and is arranged in cooperation with the end of the raceway induction coil, so that the welding work between the lower connecting part and the raceway induction coil is facilitated, and the welding sealing performance is improved.

[0022] The water outlet pipe and the water inlet pipe are copper pipes.

[0023] The utility model discloses a structure of the induction coil cooling device, which has the advantages of simple structure, convenient use, high cooling efficiency and long service life.

[0024] Compared with the prior art, by arranging two water inlet pipes and one water outlet pipe, the two-in-one-out cooling mode can shorten the flow path of the cooling water by half, thereby improving the cooling efficiency of the induction coil; the cooling path is halved, the temperature difference of the cooling water between the upstream section and the downstream section is small, thereby reducing the influence on the cooling effect of the induction coil on the downstream section, and improving the service life of the induction coil. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structure schematic view of the utility model embodiment;

[0026] Figure 2 It is a top view of the utility model embodiment;

[0027] Figure 3 It is Figure 2 It is a sectional view about A-A;

[0028] Figure 4 It is Figure 3 It is a sectional view about B-B;

[0029] Figure 5 It is Figure 3 It is a sectional view about C-C.

[0030] Mark: 10, shaft shoulder induction coil;11, water inlet pipe;12, power supply connection;13, silicon steel sheet;

[0031] 101, arc-shaped coil;102, first irregular channel;

[0032] 20, raceway induction coil; 21, water outlet pipe;

[0033] 201, second special-shaped channel;

[0034] 30, vertical connecting part; 301, third special-shaped channel; 302, upper connecting part; 303, lower connecting part; 304, intermediate body;

[0035] 3011, first counterbore; 3012, second counterbore; 3013, liquid passage hole;

[0036] 90, wheel hub bearing. DETAILED DESCRIPTION

[0037] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0038] The following references Figures 1 to 5 The utility model is described as follows:

[0039] A wheel hub bearing quenching inductor, as Figure 1 shown in the figure, comprises an upper and lower arranged shaft shoulder induction coil 10 and raceway induction coil 20, and the shaft shoulder induction coil 10 and the raceway induction coil 20 are coaxially arranged; the shaft shoulder induction coil 10 comprises two symmetrically arranged arc-shaped coils 101, one end of each arc-shaped coil 101 is fixed to one end of the corresponding water inlet pipe 11, and the other end of the water inlet pipe 11 is fixed with a power supply connecting plate 12;

[0040] The other end of each arc-shaped coil 101 is connected to the two ends of the raceway induction coil 20 through a vertical connecting part 30 respectively;

[0041] The middle part of the raceway induction coil 20 is connected with a water outlet pipe 21. The water inlet pipe, the water outlet pipe and the vertical connecting part are all conductive bodies.

[0042] By arranging two water inlet pipes, one half of the cooling path can be reduced by one road of cooling water, so that the cooling of the corresponding induction coil can be accelerated, the induction coil can be effectively protected, and the service life of the induction coil can be improved.

[0043] In use, the water outlet pipe and the water inlet pipe are connected with the water supply pipe and the return pipe of the cooling system outside respectively. The flow direction of the cooling water is that the cooling water in the water supply pipe enters into the corresponding arc-shaped coil through the two water inlet pipes respectively, and then flows through the arc-shaped coil, the vertical connecting part and the end part of the raceway induction coil to the middle part in turn, and finally the two roads of cooling water converge to the middle part of the raceway induction coil and are discharged from the water outlet pipe to the return pipe of the cooling system.

[0044] In use, the power connection plate is fixed on the corresponding tool, and the hub bearing is fixed on the corresponding rotatable tool. When quenching, the quenching inductor is inserted into the hub bearing, and then the power connection plate is powered on. The shaft shoulder induction coil 10 and the raceway induction coil 20 heat the shaft shoulder part and the raceway part of the hub bearing, thereby performing quenching work.

[0045] As shown in Figure 2 , the raceway induction coil 20 and the shaft shoulder induction coil 10 are each provided with a plurality of silicon steel sheets 13. By providing silicon steel sheets, the magnetic field can be more stable and enhanced, thereby improving the quenching efficiency.

[0046] As shown in Figure 3 , Figure 4 , Figure 5 , the arc-shaped coil 101 is provided with a first special-shaped channel 102, one end of the first special-shaped channel 102 being in communication with the water inlet pipe 11;

[0047] The raceway induction coil 20 is provided with a second special-shaped channel 201, the middle part of the second special-shaped channel 201 being in communication with the water outlet pipe 21;

[0048] The vertical connecting part 30 is provided with a third special-shaped channel 301, the third special-shaped channel 301 connecting the other end of the first special-shaped channel 102 and the corresponding end of the second special-shaped channel 201.

[0049] The first special-shaped channel, the second special-shaped channel and the third special-shaped channel ensure the smooth flow of cooling water; at the same time, the three kinds of special-shaped channels can increase the heat exchange area, thereby further improving the heat exchange efficiency.

[0050] As shown in Figure 1 , the vertical connecting part 30 includes an upper connecting part 302 matched with the cross section of the arc-shaped coil 101, a lower connecting part 303 matched with the cross section of the raceway induction coil 20, and an intermediate body 304 connecting the upper connecting part 302 and the lower connecting part 303;

[0051] The third special-shaped channel 301 includes a first counterbore 3011 formed on the upper connecting part 302, a second counterbore 3012 formed on the lower connecting part 303, and a liquid passage hole 3013 formed in the intermediate body 304, the liquid passage hole 3013 connecting the first counterbore 3011 and the second counterbore 3012;

[0052] The opening side of the first counterbore 3011 is connected with the end of the first special-shaped channel 102 away from the water inlet pipe 11;

[0053] The opening side of the second counterbore 3012 is connected with one end of the second special-shaped channel 201.

[0054] The upper connecting part is similar to the arc-shaped coil and is arranged to facilitate welding between the two and to improve the sealing performance of the welding.

[0055] Similarly, the lower connecting part is similar to the end of the raceway induction coil and is arranged to facilitate welding between the two and to improve the sealing performance of the welding.

[0056] The water outlet pipe 21 and the water inlet pipe 11 are copper pipes.

[0057] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and the above assumptions of these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. A wheel hub bearing quenching sensor, comprising a shoulder induction coil (10) and a raceway induction coil (20) arranged above and below, wherein the shoulder induction coil (10) and the raceway induction coil (20) are coaxially arranged; characterized in that: The shoulder induction coil (10) comprises two symmetrically arranged arc coils (101), one end of each arc coil (101) is fixed to one end of a corresponding water inlet pipe (11), and a power connection plate (12) is fixed to the other end of the water inlet pipe (11); The other end of each arc-shaped coil (101) is connected to both ends of the rolling track induction coil (20) via a vertical connecting portion (30); The middle of the rolling track induction coil (20) is connected to a water outlet pipe (21).

2. A wheel hub bearing quenching sensor according to claim 1, characterized in that: A plurality of silicon steel sheets (13) are respectively provided on the raceway induction coil (20) and the shaft shoulder induction coil (10).

3. The wheel hub bearing quenching sensor according to claim 1, characterized in that: A first special-shaped channel (102) is provided in the arc-shaped coil (101), and one end of the first special-shaped channel (102) is connected to the water inlet pipe (11); A second special-shaped channel (201) is provided in the rolling induction coil (20), and the middle portion of the second special-shaped channel (201) is communicated with the water outlet pipe (21); A third special-shaped channel (301) is provided in the vertical connecting portion (30), and the third special-shaped channel (301) communicates with the other end of the first special-shaped channel (102) and the corresponding end of the second special-shaped channel (201).

4. The wheel hub bearing quenching sensor according to claim 3, characterized in that: The vertical connecting portion (30) includes an upper connecting portion (302) matching the cross section of the arc-shaped coil (101), a lower connecting portion (303) matching the cross section of the rolling induction coil (20), and an intermediate body (304) connecting the upper connecting portion (302) and the lower connecting portion (303); The third special-shaped channel (301) comprises a first countersunk hole (3011) formed on the upper connecting portion (302), a second countersunk hole (3012) formed on the lower connecting portion (303), and a liquid through hole (3013) formed in the intermediate body (304), wherein the liquid through hole (3013) communicates with the first countersunk hole (3011) and the second countersunk hole (3012); The opening side of the first sink hole (3011) is connected to an end of the first special-shaped channel (102) away from the water inlet pipe (11); The opening side of the second countersunk hole (3012) is connected to one end of the second special-shaped channel (201).

5. The wheel hub bearing quenching sensor according to claim 1, characterized in that: The water outlet pipe (21) and the water inlet pipe (11) are copper pipes.

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