Cooling device for heat treatment of mechanical parts

Abstract

The utility model relates to the technical field of part cooling equipment, in particular to a cooling device for heat treatment of mechanical parts, which comprises a cooling box. The water cooling box is arranged in the cooling box, and a stirring mechanism is arranged in the water cooling box; the circulating fan group is arranged in the cooling box and comprises a first fan, a second fan, a third fan and a fourth fan; the water cooling coil pipe is arranged on the inner wall of the side face of the cooling box; the device solves the problem that a traditional cooling device is prone to causing reduction of the fatigue life of parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spare part cooling equipment, in particular to a cooling device for mechanical spare part heat treatment. BACKGROUND

[0002] Mechanical spare part heat treatment is a kind of metal processing technology that changes its internal organization structure by controlling temperature, time and cooling speed and other parameters in the heating, holding and cooling process, so as to obtain the required mechanical properties, physical properties and chemical properties, and the parts need to be cooled after heat treatment.

[0003] The Chinese patent with the patent publication number CN222064605U discloses a cooling device for mechanical spare part heat treatment, the lower end of the box body is provided with a liquid discharge valve, the inside of the box body is provided with a circulating cooling mechanism for cooling metal parts, the inside of the circulating cooling mechanism is provided with a workpiece clamping mechanism for limiting metal parts, the circulating cooling mechanism includes a machining platform fixedly installed on the box body, and the upper surface of the machining platform is provided with a rectangular sliding groove.

[0004] The existing cooling device mostly cools the spare parts through water cooling, but the cooling speed of water cooling is fast, and the rapid cooling of water cooling can obtain high surface hardness, but the rapid cooling of the spare parts can easily cause internal cracks, resulting in reduced fatigue life of the parts, therefore, it is necessary to develop a cooling device with fast cooling speed and good cooling effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a cooling device for mechanical spare part heat treatment, which solves the problem that the traditional cooling device can easily reduce the fatigue life of the parts.

[0006] The utility model solves the technical scheme adopted by the technical problem thereof:

[0007] The utility model provides a cooling device for mechanical spare part heat treatment, which comprises a cooling box, a water cooling box, a stirring mechanism, a circulating fan group and a water cooling coil pipe.

[0008] Further, the upper part of the water cooling box is movably provided with a storage net.

[0009] Further, the top inner wall of the cooling box is provided with a cylinder, the bottom of the cylinder is provided with a top plate, and the top plate is connected with the storage net through a plurality of connecting rods.

[0010] Further, the first fan is arranged at the lower part of the left side inner wall of the cooling box, the second fan is arranged at the left side inner wall of the top surface of the cooling box, the third fan is arranged above the right side inner wall of the cooling box, and the fourth fan is arranged at the right side inner wall of the bottom surface of the cooling box.

[0011] Further, the stirring mechanism comprises a motor and a stirring paddle, the motor is arranged at the outer side of the water cooling box, the output end of the motor is provided with a rotating shaft penetrating through the water cooling box, and the stirring paddle is arranged on the rotating shaft.

[0012] Further, the inside of the cooling box is provided with a support rod, the upper part of the support rod is fixedly connected with the water cooling box, and the lower part is fixedly connected with the inner wall of the bottom surface of the cooling box.

[0013] Further, the side surface of the cooling box is provided with a box door.

[0014] Further, the lower part of the water cooling box is communicated with a water pipe penetrating through the side surface of the cooling box.

[0015] The technical effect of the utility model:

[0016] Compared with the prior art, the cooling device for mechanical parts heat treatment of the utility model, through setting up water cooling box and circulating fan group, water cooling rapid cooling and air cooling slow cooling are carried out to the parts, the cooling efficiency of the parts is improved, the thermal stress is relieved, the possibility of part cracking and deformation is reduced, and the service life of the parts is prolonged; through setting up the circulating fan group, the temperature distribution in the cooling box is more uniform, the temperature of the parts in all directions is uniformly reduced, and the quality of the parts is guaranteed. DRAWINGS

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

[0018] Figure 2 It is the A part structure enlarged schematic view of the utility model; Figure 1

[0019] Figure 3 It is the front view of the utility model; Figure 1

[0020] Figure 4 It is the inside structure schematic view of the water cooling box in the utility model.

[0021] Among them:

[0022] ​​1. Cooling box; 2. Box door; 3. Cylinder; 4. Water-cooled box; 5. Support rod; 6. Water-cooled coil; 7. First fan; 8. Second fan; 9. Third fan; 10. Fourth fan; 11. Water pipe; 12. Motor; 13. Agitator; 14. Shaft; 15. Top plate; 16. Connecting rod; 17. Storage net. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example:

[0025] like Figures 1-4 As shown in the figure, a cooling device for heat treatment of mechanical parts according to this embodiment includes a cooling box 1 with a door 2 on its side; a water-cooled box 4, which is disposed inside the cooling box 1 and has a stirring mechanism inside, including a motor 12 and a stirring paddle 13. The motor 12 is disposed outside the water-cooled box 4, and the output end of the motor 12 has a rotating shaft 14 that passes through the water-cooled box 4. The stirring paddle 13 is disposed on the rotating shaft 14. A water pipe 11 is connected to the lower part of the water-cooled box 4 and passes through the side of the cooling box 1. The water-cooled box 4 is used to rapidly cool down the parts, quickly reduce the surface temperature of the parts, and make them harden rapidly to meet the strength and hardness requirements. The stirring mechanism is used to accelerate the flow of cooling water in the water-cooled box 4 and improve the cooling speed of the water-cooled box 4; and a circulating fan group. Inside the cooling box 1, there are a first fan 7, a second fan 8, a third fan 9, and a fourth fan 10. The first fan 7 is located on the lower part of the inner wall of the left side of the cooling box 1, the second fan 8 is located on the left side of the inner wall of the top side of the cooling box 1, the third fan 9 is located on the upper part of the inner wall of the right side of the cooling box 1, and the fourth fan 10 is located on the right side of the inner wall of the bottom side of the cooling box 1. A water-cooling coil 6 is located on the inner wall of the side of the cooling box 1. The water-cooling coil 6 and the circulating fan group are used to slowly cool the components, reduce the temperature difference between the inside and outside, alleviate thermal stress, and reduce the possibility of cracking and deformation of the components. By setting up the water-cooling box 4 and the circulating fan group to perform rapid water cooling and slow air cooling of the components, the cooling efficiency of the components is improved, thermal stress is alleviated, the possibility of cracking and deformation of the components is reduced, and the service life of the components is extended.

[0026] The upper part of the water cooling box 4 is movably provided with a storage net 17, the top inner wall of the cooling box 1 is provided with a cylinder 3, the bottom of the cylinder 3 is provided with a top plate 15, and the top plate 15 is connected with the storage net 17 through a plurality of connecting rods 16.

[0027] The inside of the cooling box 1 is provided with a supporting rod 5, the upper part of the supporting rod 5 is fixedly connected with the water cooling box 4, and the lower part is fixedly connected with the bottom inner wall of the cooling box 1.

[0028] Working principle

[0029] When the mechanical parts are cooled, the box door 2 is opened, the parts are placed on the storage net 17, then the water cooling box 4 is filled with cooling water through the water pipe 11, the cylinder 3 is controlled to stretch, the parts are immersed in the lower part of the cooling water, the motor 12 is started to drive the stirring paddle 13 to rotate, and the rapid cooling of the parts is completed; when the temperature of the parts is reduced to about 300 DEG C, the parts are still in a relatively high plastic state in this interval, the cylinder 3 is controlled to retract, the parts move upward, the first fan 7, the second fan 8, the third fan 9 and the fourth fan 10 are started to air cool the inside of the cooling box 1, and the temperature of the parts is slowly reduced, so that the possibility of cracking and deformation of the parts is reduced.

[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and for those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A cooling device for heat treatment of mechanical parts, characterized in that, include: Cooling box; A water-cooled box, wherein the water-cooled box is disposed inside a cooling box, and the water-cooled box is equipped with a stirring mechanism inside; A circulating fan assembly, which is located inside the cooling box, includes a first fan, a second fan, a third fan, and a fourth fan; Water-cooled coils are installed on the inner side wall of the cooling box.

2. The cooling device for heat treatment of mechanical parts according to claim 1, characterized in that: A storage net is installed on top of the water-cooled box.

3. A cooling device for heat treatment of mechanical parts according to claim 2, characterized in that: The cooling box has a cylinder on its top inner wall, and a top plate at the bottom of the cylinder. The top plate is connected to the storage net by several connecting rods.

4. A cooling device for heat treatment of mechanical parts according to claim 1, characterized in that: The first fan is located on the lower part of the inner wall of the left side of the cooling box, the second fan is located on the left side of the inner wall of the top side of the cooling box, the third fan is located on the upper part of the inner wall of the right side of the cooling box, and the fourth fan is located on the right side of the inner wall of the bottom side of the cooling box.

5. A cooling device for heat treatment of mechanical parts according to claim 1, characterized in that: The stirring mechanism includes a motor and a stirring paddle. The motor is located on the outside of the water-cooled box, and the output end of the motor has a rotating shaft that passes through the water-cooled box. The stirring paddle is mounted on the rotating shaft.

6. A cooling device for heat treatment of mechanical parts according to claim 1, characterized in that: The cooling box is equipped with a support rod inside. The upper part of the support rod is fixedly connected to the water cooling box, and the lower part is fixedly connected to the inner wall of the bottom surface of the cooling box.

7. A cooling device for heat treatment of mechanical parts according to claim 1, characterized in that: The cooling box has a door on its side.

8. A cooling device for heat treatment of mechanical parts according to claim 1, characterized in that: A water pipe is connected to the lower part of the water-cooled box, and the water pipe runs through the side of the cooling box.

Images