Internal spline induction quenching device

Abstract

The utility model belongs to the field of internal spline induction quenching devices, and particularly relates to an internal spline induction quenching device which comprises an inner spray head, an outer spray head is arranged above the inner spray head, a base is arranged on the outer side of the outer spray head, and a spray quenching mechanism is arranged above the inner spray head; the spray quenching mechanism comprises a first connecting pipe, the first connecting pipe is arranged in the middle of the left side end of the outer spray head, and the right side end of the first connecting pipe is fixedly connected with the left side end of the outer spray head; through the design of the spraying and quenching mechanism, the function of simultaneous internal and external spraying is achieved, and the problems that an existing device is not provided with an assembly capable of simultaneously quenching the outer side and the inner wall of an internal spline, and when the existing device conducts quenching, internal and external simultaneous quenching cannot be achieved, so that the internal and external temperatures of the internal spline are different, and the quenching efficiency is poor are solved. Therefore, the internal spline is easy to deform or crack, and the internal spline is scrapped, and the scrapping condition is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to inner spline induction quenching device field, specifically is a kind of inner spline induction quenching device. BACKGROUND

[0002] Inner spline is a kind of commonly used connection mode in mechanical engineering, it refers to spline on inner cylindrical surface, corresponding with outer spline. Inner spline and outer spline together form spline coupling, and this coupling mode is widely applied in coaxial components for transmitting torque or motion.

[0003] The existing inner spline induction quenching device can refer to the three-pin shaft handle part inner spline medium-frequency quenching induction device with the application number CN201921761312.9, which comprises a base, a sprayer fixed to the front side of the base, and a support column fixed to the rear side of the base. The projection of the sprayer in the vertical direction is in the form of an open circular ring structure, and the opening thereof is arranged to face the front side. A notch is formed in the front side of the base to match the opening of the sprayer. Two spray pipes are connected to the rear side of the sprayer. An electrode plate is fixedly installed on the top of the support column. An induction coil is provided at the front end of the electrode plate through a connecting column. The induction coil is located at the center of the sprayer. Water inlet and outlet pipes are also provided on the left and right sides of the electrode plate, respectively. The water inlet and outlet pipes are connected to the two ends of the induction coil cooling pipeline. This design effectively avoids interference with the machine tool center, thereby effectively improving the quenching efficiency of the parts and adapting to different machine tools with good universality.

[0004] The above-mentioned device does not have a component that can quench the outer side and inner wall of the inner spline simultaneously. When the existing device is quenching, it cannot be done simultaneously inside and outside, resulting in a temperature difference between the inside and outside of the inner spline, which can easily cause deformation or cracking of the inner spline, leading to scrap of the inner spline. Therefore, to solve the above problems, the present utility model provides an inner spline induction quenching device. UTILITY MODEL CONTENTS

[0005] To make up for the shortcomings of the prior art, the existing device does not have a component that can quench the outer side and inner wall of the inner spline simultaneously. When the existing device is quenching, it cannot be done simultaneously inside and outside, resulting in a temperature difference between the inside and outside of the inner spline, which can easily cause deformation or cracking of the inner spline, leading to scrap of the inner spline. Therefore, to solve the above problems, the present utility model provides an inner spline induction quenching device.

[0006] The utility model solves the technical problems by adopting the following technical scheme: the utility model discloses an inner spline induction quenching device, which comprises an inner nozzle; an outer nozzle is arranged above the inner nozzle; a base is arranged outside the outer nozzle; a spraying quenching mechanism is arranged above the inner nozzle.

[0007] The spraying quenching mechanism comprises a first connecting pipe, the first connecting pipe is arranged at the middle position of the left end of the outer spray head, and the right end of the first connecting pipe is fixedly connected with the left end of the outer spray head, a second connecting pipe is arranged at the left end of the first connecting pipe, the second connecting pipe is fixedly connected with the inner wall of a first rotating block close to the outside of the right end, a first sleeve block is arranged outside the first rotating block, and the first rotating block is rotationally connected with the first sleeve block, support legs are arranged at the front and back ends of the outside of the first sleeve block, and the outside of the first sleeve block is fixedly connected with the side end of the support leg, and the right end of the support leg is fixedly connected with the left end of the outer spray head.

[0008] Preferably, the left end of the first connecting pipe is provided with a rotating insertion slot, the right end of the second connecting pipe is fixedly connected with the left end of a rotating insertion block, the right end of the rotating insertion block is inserted into the rotating insertion slot, and the rotating insertion block is rotationally connected with the rotating insertion slot.

[0009] Preferably, the left end of the first connecting pipe is provided with a rotating insertion slot, the right end of the second connecting pipe is fixedly connected with the left end of a rotating insertion block, the right end of the rotating insertion block is inserted into the rotating insertion slot, and the rotating insertion block is rotationally connected with the rotating insertion slot.

[0010] Preferably, the left end of the first connecting pipe is provided with a rotating insertion slot, the right end of the second connecting pipe is fixedly connected with the left end of a rotating insertion block, the right end of the rotating insertion block is inserted into the rotating insertion slot, and the rotating insertion block is rotationally connected with the rotating insertion slot.

[0011] Preferably, the left end of the first connecting pipe is provided with a rotating insertion slot, the right end of the second connecting pipe is fixedly connected with the left end of a rotating insertion block, the right end of the rotating insertion block is inserted into the rotating insertion slot, and the rotating insertion block is rotationally connected with the rotating insertion slot.

[0012] Preferably, the left end of the first connecting pipe is provided with a rotating insertion slot, the right end of the second connecting pipe is fixedly connected with the left end of a rotating insertion block, the right end of the rotating insertion block is inserted into the rotating insertion slot, and the rotating insertion block is rotationally connected with the rotating insertion slot.

[0013] The utility model discloses the beneficial effect lies in:

[0014] 1. The utility model discloses a structure design of the spraying quenching mechanism, realized the function that can carry out inside and outside spraying simultaneously, solved the existing device and not set up the component that can quench to internal spline outside and inner wall simultaneously, when the existing device is in quenching, can not be done inside and outside simultaneously, leads to the temperature difference of internal spline inside and outside, thereby extremely easily leads to the phenomenon of internal spline deformation or cracking, leads to the problem of internal spline scrap, reduced scrap condition;

[0015] 2. The utility model discloses a structure design of the spraying quenching mechanism, realized the function that can carry out rotation spraying, solved when in the spraying quenching of internal spline, if only simultaneously keeps a position and sprays, extremely easily appears that spraying is not enough even, thereby can not guarantee the quality of internal spline after quenching problem, improved the even effect when spraying. ACCURATE DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the local section structure schematic diagram of the utility model;

[0019] Figure 3 It is the Figure 2 Amplification structure schematic diagram of A place in the utility model;

[0020] Figure 4 It is the Figure 3 Amplification structure schematic diagram of B place in the utility model.

[0021] In the drawing: 1, internal nozzle;2, external nozzle;3, base;10, first connecting pipe;11, second connecting pipe;12, first rotating block;13, first sleeve block;14, support leg;15, rotating slot;16, rotating plug;17, fixed rod;18, fixed block;19, second rotating block;20, second sleeve block;21, motor;22, first gear;23, second gear;24, water pump;25, third connecting pipe;26, water storage tank;27, fourth connecting pipe. SPECIFIC IMPLEMENTATION

[0022] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 As shown in FIG. 1, an inner spline induction quenching device comprises an inner nozzle 1; an outer nozzle 2 is arranged above the inner nozzle 1, a base 3 is arranged outside the outer nozzle 2, and a spraying quenching mechanism is arranged above the inner nozzle 1;

[0024] The spraying quenching mechanism comprises a first connecting pipe 10, the first connecting pipe 10 is arranged at the middle position of the left side end of the outer nozzle 2, the right side end of the first connecting pipe 10 is flange-connected with the left side end of the outer nozzle 2, a second connecting pipe 11 is arranged at the left side end of the first connecting pipe 10, the second connecting pipe 11 is welded together with the inner wall of a first rotating block 12 close to the outside of the right side end, a first sleeve block 13 is sleeved outside the first rotating block 12, and the first rotating block 12 is rotationally connected with the first sleeve block 13, the first rotating block 12 is circular in design, support legs 14 are arranged at the front and rear ends outside the first sleeve block 13, and the first sleeve block 13 is welded together with the side end of the support leg 14 outside, and the right side end of the support leg 14 is welded together with the left side end of the outer nozzle 2;

[0025] When working, the first rotating block 12 outside the second connecting pipe 11 rotates along the inside of the first sleeve block 13, and the support legs 14 at the right side front and rear ends of the first sleeve block 13 are used to support and fix the position of the first sleeve block 13, so as to prevent the right side end of the second connecting pipe 11 from being separated from the first connecting pipe 10.

[0026] Further, a rotating insertion slot 15 is formed at the left side end of the first connecting pipe 10, the right side end of the second connecting pipe 11 is welded together with the left side end of a rotating insertion block 16, the right side end of the rotating insertion block 16 is inserted into the inside of the rotating insertion slot 15, and the rotating insertion block 16 is rotationally connected with the rotating insertion slot 15, and the rotating insertion block 16 is circular in design;

[0027] When working, the outer nozzle 2 rotates, and the rotating insertion block 16 at the right side end of the second connecting pipe 11 rotates along the inside of the rotating insertion slot 15.

[0028] Further, the left side end of the outer nozzle 2 is also provided with a fixing rod 17 at the front and rear ends, and the left side end of the outer nozzle 2 is welded together with the right side end of the fixing rod 17, the left side end of the fixing rod 17 is welded together with the right side end of a fixing block 18, the left side end of the fixing block 18 is welded together with the right side end of a second rotating block 19, and the second rotating block 19 is circular in design;

[0029] When working, the outer nozzle 2 rotates to drive the fixed block 18 and the second rotating block 19 to rotate simultaneously, and the fixed rods 17 at the right end of the fixed block 18 are used to fix the position of the fixed block 18.

[0030] Further, the second rotating block 19 is sleeved with the second sleeve block 20 at the left end, and the second rotating block 19 is rotatably connected with the second sleeve block 20, the bottom end of the second sleeve block 20 is welded with the top end of the inner nozzle 1, and the inner wall of the second sleeve block 20 is circular in design.

[0031] When working, the second rotating block 19 rotates to rotate along the inside of the second sleeve block 20.

[0032] Further, the right end of the second sleeve block 20 close to the lower position is welded with the left end of the motor 21, the right end of the motor 21 is welded with the left end of the first gear 22, the first gear 22 is meshingly connected with the second gear 23, and the inner wall of the second gear 23 is welded with the outer side of the base 3.

[0033] When working, the motor 21 is started to drive the first gear 22 and the second gear 23 to rotate simultaneously, and when the second gear 23 rotates, the base 3 and the outer nozzle 2 are driven to rotate synchronously.

[0034] Further, the left end of the second connecting pipe 11 is flange-connected with the right end of the water pump 24, the bottom end of the water pump 24 is welded with the top end of the inner nozzle 1, the left end of the water pump 24 is flange-connected with one end of the third connecting pipe 25, the other end of the third connecting pipe 25 is flange-connected with the left end of the water storage tank 26, the bottom end of the water storage tank 26 is welded with the top end of the inner nozzle 1, the left end of the base 3 is also provided with the fourth connecting pipe 27 at the upper and lower ends, and the left end of the base 3 is flange-connected with one end of the fourth connecting pipe 27, and the other end of the fourth connecting pipe 27 is flange-connected with the left end of the outer nozzle 2.

[0035] When working, the inner spline is first placed between the base 3 and the outer nozzle 2, and then the water pump 24 is started to deliver the quenching liquid in the water storage tank 26 to the third connecting pipe 25, and then the quenching liquid is delivered to the outer nozzle 2 through the first connecting pipe 10 by the second connecting pipe 11, and then the outer nozzle 2 delivers the quenching liquid to the base 3 through the fourth connecting pipe 27 to spray and quench the inner and outer walls of the inner spline simultaneously.

[0036] Working principle: when the inner spline needs to be quenched, first place the inner spline between the base 3 and the outer nozzle 2, then start the water pump 24, deliver the quenching liquid in the water storage tank 26 to the third connecting pipe 25, then through the second connecting pipe 11, deliver the quenching liquid to the first connecting pipe 10, then to the outer nozzle 2, then through the fourth connecting pipe 27, deliver the quenching liquid to the base 3, so as to spray and quench the inner and outer walls of the inner spline at the same time, at the same time, start the motor 21, drive the first gear 22 and the second gear 23 to rotate at the same time, when the second gear 23 rotates, drive the base 3 and the outer nozzle 2 to rotate synchronously, when the outer nozzle 2 rotates, drive the rotating block 16 at the right end of the second connecting pipe 11 to rotate along the rotating slot 15, at the same time, the first rotating block 12 outside the second connecting pipe 11 rotates along the first sleeve block 13, the supporting legs 14 at the front and rear ends of the first sleeve block 13 are used to support and fix the position of the first sleeve block 13, at the same time, when the outer nozzle 2 rotates, drive the fixed block 18 and the second rotating block 19 to rotate at the same time, the fixed rods 17 at the front and rear ends of the right end of the fixed block 18 are used to fix the position of the fixed block 18, at the same time, when the second rotating block 19 rotates, it will rotate along the second sleeve block 20, so as to rotate and spray and quench the inner and outer walls of the inner spline.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. An internal spline induction hardening device comprising an internal nozzle (1); characterized in that: The inner nozzle (1) is provided with an outer nozzle (2) above, and the outer nozzle (2) is provided with a base (3) outside, and the inner nozzle (1) is provided with a spraying quenching mechanism above. The spraying quenching mechanism comprises a first connecting pipe (10) arranged at the middle position of the left side end of the outer nozzle (2), and the right side end of the first connecting pipe (10) is fixedly connected with the left side end of the outer nozzle (2), and the left side end of the first connecting pipe (10) is provided with a second connecting pipe (11), and the right side end outside of the second connecting pipe (11) is fixedly connected with the inner wall of a first rotating block (12), and the outer side of the first rotating block (12) is sleeved with a first sleeve block (13), and the first rotating block (12) is rotatably connected with the first sleeve block (13), and the front and rear ends of the outer side of the first sleeve block (13) are also provided with supporting legs (14), and the outer side of the first sleeve block (13) is fixedly connected with the side end of the supporting leg (14), and the right side end of the supporting leg (14) is fixedly connected with the left side end of the outer nozzle (2).

2. An internal spline induction quenching apparatus according to claim 1, characterized by: The left side end of the first connecting pipe (10) is provided with a rotating insertion slot (15), the right side end of the second connecting pipe (11) is fixedly connected with the left side end of a rotating insertion block (16), the right side end of the rotating insertion block (16) is inserted into the rotating insertion slot (15), and the rotating insertion block (16) is rotatably connected with the rotating insertion slot (15).

3. An internal spline induction hardening apparatus according to claim 2, wherein: The front and rear ends of the left side end of the outer nozzle (2) are also provided with fixed rods (17), and the left side end of the outer nozzle (2) is fixedly connected with the right side end of the fixed rod (17), and the left side end of the fixed rod (17) is fixedly connected with the right side end of a fixed block (18), and the left side end of the fixed block (18) is fixedly connected with the right side end of a second rotating block (19).

4. An internal spline induction quenching apparatus according to claim 3, characterized in that: The left side end outside of the second rotating block (19) is sleeved with a second sleeve block (20), and the second rotating block (19) is rotatably connected with the second sleeve block (20), and the bottom end of the second sleeve block (20) is fixedly connected with the top end of the inner nozzle (1).

5. An internal spline induction quenching apparatus according to claim 4, characterized in that: The right side end of the second sleeve block (20) close to the lower position is fixedly connected with the left side end of a motor (21), the right side end of the motor (21) is fixedly connected with the left side end of a first gear (22), the first gear (22) is meshingly connected with a second gear (23), and the inner wall of the second gear (23) is fixedly connected with the outer side of the base (3).

6. An internal spline induction quenching apparatus according to claim 5, characterized in that: The left side end of the second connecting pipe (11) is fixedly connected with the right side end of a water pump (24), the bottom end of the water pump (24) is fixedly connected with the top end of the inner nozzle (1), the left side end of the water pump (24) is fixedly connected with one end of a third connecting pipe (25), the other end of the third connecting pipe (25) is fixedly connected with the left side end of a water storage tank (26), the bottom end of the water storage tank (26) is fixedly connected with the top end of the inner nozzle (1), and the upper and lower ends of the left side end of the base (3) are also provided with a fourth connecting pipe (27), and the left side end of the base (3) is fixedly connected with one end of the fourth connecting pipe (27), and the other end of the fourth connecting pipe (27) is fixedly connected with the left side end of the outer nozzle (2).

Images