Hammer mill compressed air cooling structure

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By designing a compressed air cooling structure on the hammer mill and utilizing components such as heat dissipation grooves, dust filters, and fans, the problem of shortened service life caused by increased heat in the mill has been solved, achieving a highly efficient cooling effect.

CN224486163UActive Publication Date: 2026-07-14SHANGHAI YINGLU MECHANICAL EQUIP CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHANGHAI YINGLU MECHANICAL EQUIP CO LTD
Filing Date: 2025-07-25
Publication Date: 2026-07-14

AI Technical Summary

Technical Problem

After prolonged use, existing hammer mills experience increased heat due to their own operation and friction with materials, which reduces the mill's lifespan.

Method used

A compressed air cooling structure for a hammer mill is adopted, including components such as a cooling structure cylinder, heat dissipation groove, dustproof net, heat conduction plate and fan. Cooling is achieved by the combination of compressed air and fan, thereby improving heat dissipation efficiency.

Benefits of technology

The combined effect of multiple cooling structures significantly improves the cooling efficiency of the hammer mill and extends the service life of the equipment.

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Patent Text Reader

Abstract

The utility model provides a kind of hammer crusher compressed air cooling structure, it is related to hammer crusher technical field, including cooling structure cylinder, the side surface of cooling structure cylinder is equipped with compressed air inlet, the side surface of cooling structure cylinder is equipped with mounting flange in the side close to compressed air inlet, the surface of cooling structure cylinder is equipped with heat dissipation groove, the inside surface of heat dissipation groove is equipped with dust screen, the other side surface of cooling structure cylinder is equipped with connecting groove, the connecting groove side is equipped with sealing ring along edge, the side surface of cooling structure cylinder is equipped with compressed air outlet in the side close to connecting groove, the inside of cooling structure cylinder is equipped with first air flow channel in the side close to compressed air outlet, increase the cooling form of this cooling structure, by multiple structures synchronous cooling, increase cooling efficiency.

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Description

Technical Field

[0001] This utility model relates to the field of hammer mill technology, and in particular to a compressed air cooling structure for a hammer mill. Background Technology

[0002] A crusher is a crushing machine used to crush materials, reduce their volume, and facilitate subsequent recycling. A hammer crusher is a type of crusher that crushes materials through a hammer-shaped crushing structure.

[0003] However, after prolonged use, the heat generated by the hammer mill itself and friction with materials can cause the temperature of the hammer mill to rise, resulting in a reduction in the service life of the mill. Therefore, we propose a compressed air cooling structure for hammer mills. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies. However, after prolonged use, the heat generated by the hammer mill itself and friction with materials can cause the hammer mill to overheat, leading to a reduction in its service life.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A compressed air cooling structure for a hammer mill includes a cooling structure cylinder. A compressed air inlet is installed on one side of the cooling structure cylinder, and a mounting flange is installed on the side of the cooling structure cylinder near the compressed air inlet. A heat dissipation groove is formed on the surface of the cooling structure cylinder, and a dustproof mesh is installed on the inner side of the heat dissipation groove. A connecting groove is formed on the other side of the cooling structure cylinder, and a sealing ring is installed along the edge of one side of the connecting groove. A compressed air outlet is installed on the side of the cooling structure cylinder near the connecting groove. A first air flow channel is formed inside the cooling structure cylinder near the compressed air outlet. A pressurized nozzle is installed at the top of the interior of the cooling structure cylinder near the first air flow channel. An air outlet is formed at the top of the interior of the cooling structure cylinder away from the first air flow channel. A second air flow channel is formed at the top of the interior of the cooling structure cylinder near the air outlet, and a solenoid valve is installed at one end of the second air flow channel. A heat-conducting plate is installed inside the cooling structure cylinder near the connecting groove, and a fan is installed on one side of the heat-conducting plate.

[0007] As a preferred embodiment of this utility model, the compressed air inlet is made of aluminum alloy to improve corrosion resistance and lightweight effect. The mounting flange is designed as a detachable structure for easy on-site maintenance and replacement. The mounting flange can be fixed by bolt connection or welding to ensure stable and reliable connection. The size of the compressed air inlet matches the standard pipe interface to avoid air leakage problems.

[0008] As a preferred embodiment of this utility model, the heat dissipation slots are symmetrically arranged at equal intervals. The dustproof net is made of stainless steel wire mesh, which is easy to clean repeatedly and for long-term use. The dustproof net is designed to be detachable, which is convenient for users to clean the dust regularly. The layout of the heat dissipation slots ensures that the heat dissipation area is maximized and the overall cooling efficiency is improved.

[0009] As a preferred embodiment of this utility model, a sealing ring is installed on the edge of the connecting groove. The sealing ring is made of rubber material, which provides good sealing and cushioning. The sealing ring adopts a replaceable design, which is convenient for quick replacement after wear. The size of the connecting groove is adapted to various external device interfaces to ensure installation compatibility. The thickness of the sealing ring is designed to be uniform to prevent air leakage.

[0010] As a preferred embodiment of this utility model, the compressed air outlet is connected to a first air flow channel, which is designed with a smooth inner wall structure to reduce airflow resistance. The diameter of the compressed air outlet matches the industrial standard size for easy and quick connection. The path of the first air flow channel is optimized to be straight to avoid airflow turbulence. The compressed air outlet is made of galvanized steel to enhance durability.

[0011] As a preferred embodiment of this utility model, the pressurizing nozzle and the air outlet work together. The pressurizing nozzle is made of copper alloy to improve heat conduction efficiency. The air outlet is designed with a porous structure to ensure uniform airflow distribution. The jet pressure of the pressurizing nozzle is adjustable to adapt to different working conditions. The surface of the air outlet is polished to reduce the risk of dust accumulation.

[0012] As a preferred embodiment of this utility model, a solenoid valve is installed at one end of the second airflow channel. The solenoid valve adopts a normally closed design to realize automatic airflow control. The power interface of the solenoid valve is compatible with the 24V DC standard, which facilitates on-site wiring. The cross-section of the second airflow channel is circular to optimize airflow. The housing of the solenoid valve is made of engineering plastic to reduce the overall weight.

[0013] As a preferred embodiment of this utility model, the heat-conducting plate is installed correspondingly to the fan. The heat-conducting plate is made of aluminum material to accelerate heat dissipation. The fan has an axial flow structure to provide stable airflow for auxiliary cooling. The fan speed can be manually adjusted to adapt to different temperature environments. The surface of the heat-conducting plate is coated with an anti-oxidation coating to extend its service life.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, the cooling structure is designed with heat dissipation grooves, pressurized nozzles, a first air channel, a second air channel, a heat-conducting plate, and a fan to increase the cooling capacity and improve cooling efficiency through simultaneous cooling of multiple structures. Attached Figure Description

[0016] Figure 1 A front view schematic diagram of a compressed air cooling structure for a hammer mill provided by this utility model;

[0017] Figure 2 A rear view schematic diagram of a compressed air cooling structure for a hammer mill provided by this utility model;

[0018] Figure 3 A schematic diagram of the internal air delivery channel structure of a compressed air cooling structure for a hammer mill provided by this utility model;

[0019] Figure 4 A schematic diagram of the internal heat dissipation structure of a compressed air cooling structure for a hammer mill provided by this utility model.

[0020] Legend: 1. Cooling structure cylinder; 2. Compressed air inlet; 3. Mounting flange; 4. Heat dissipation groove; 5. Dustproof net; 6. Connecting groove; 7. Sealing ring; 8. Compressed air outlet; 9. First air flow channel; 10. Pressurized nozzle; 11. Air outlet; 12. Second air flow channel; 13. Solenoid valve; 14. Heat conduction plate; 15. Fan. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0022] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] Example 1

[0026] like Figure 1-4 As shown, this utility model provides a technical solution: a compressed air cooling structure for a hammer mill, including a cooling structure cylinder 1, a compressed air inlet 2 installed on one side of the cooling structure cylinder 1, an installation flange 3 installed on the side of the cooling structure cylinder 1 near the compressed air inlet 2, a heat dissipation groove 4 formed on the surface of the cooling structure cylinder 1, a dustproof net 5 installed on the inner side of the heat dissipation groove 4, a connecting groove 6 formed on the other side of the cooling structure cylinder 1, a sealing ring 7 installed along the edge of one side of the connecting groove 6, and a compressed air outlet installed on the side of the cooling structure cylinder 1 near the connecting groove 6. The cooling structure cylinder 1 has a first air passage 9 on the side near the compressed air outlet 8. A pressurized nozzle 10 is installed at the top of the cooling structure cylinder 1 near the first air passage 9. An air outlet 11 is installed at the top of the cooling structure cylinder 1 away from the first air passage 9. A second air passage 12 is installed at the top of the cooling structure cylinder 1 near the air outlet 11. A solenoid valve 13 is installed at one end of the second air passage 12. A heat-conducting plate 14 is installed on the side of the cooling structure cylinder 1 near the connecting groove 6. A fan 15 is installed on one side of the heat-conducting plate 14.

[0027] Example 2

[0028] like Figure 1-4As shown, the compressed air inlet 2 is made of aluminum alloy to improve corrosion resistance and lightweight design. The mounting flange 3 is designed as a detachable structure for easy on-site maintenance and replacement. The mounting flange 3 can be fixed using either bolts or welding to ensure a stable and reliable connection. The size of the compressed air inlet 2 matches standard pipe interfaces to avoid air leakage. Several symmetrically spaced heat dissipation slots 4 are provided. The dustproof mesh 5 is made of stainless steel wire mesh for easy cleaning and long-term use. The dustproof mesh 5 is designed as a detachable structure for convenient regular dust removal. The layout of the heat dissipation slots 4 maximizes the heat dissipation area and improves overall cooling efficiency. A sealing ring 7 is installed on the edge of the connecting slot 6. The sealing ring 7 is made of rubber to provide good sealing and cushioning. The sealing ring 7 is replaceable for quick replacement after wear. The size of the connecting slot 6 is compatible with various external equipment interfaces to ensure installation compatibility. The thickness of the sealing ring 7 is designed to be uniform to prevent air leakage. The compressed air outlet 8 connects to the first air flow channel 9, which is designed with a smooth inner wall structure to reduce airflow resistance. The diameter of the compressed air outlet 8 matches the... The first airflow channel 9 is optimized with a straight path to avoid airflow turbulence. The compressed air outlet 8 is made of galvanized steel for enhanced durability. The pressurized nozzle 10 and the outlet 11 work together. The pressurized nozzle 10 is made of copper alloy to improve heat transfer efficiency. The outlet 11 is designed with a porous structure to ensure uniform airflow distribution. The jet pressure of the pressurized nozzle 10 is adjustable to adapt to different working conditions. The surface of the outlet 11 is polished to reduce the risk of dust accumulation. A solenoid valve 13 is installed at one end of the second airflow channel 12. 3. A normally closed design is adopted to achieve automatic airflow control. The power interface of the solenoid valve 13 is compatible with the 24V DC standard, which is convenient for on-site wiring. The cross-section of the second air flow channel 12 is circular to optimize airflow. The housing of the solenoid valve 13 is made of engineering plastic to reduce the overall weight. The heat conduction plate 14 and the fan 15 are installed correspondingly. The heat conduction plate 14 is made of aluminum material to accelerate heat dissipation. The fan 15 has an axial flow structure to provide stable airflow to assist cooling. The speed of the fan 15 can be manually adjusted to adapt to different temperature environments. The surface of the heat conduction plate 14 is coated with an anti-oxidation coating to extend its service life.

[0029] The working process of this utility model is as follows: When using a compressed air cooling structure for a hammer mill for cooling and heat dissipation, the cooling structure cylinder 1 is first fixed to the connecting shaft of the hammer mill through the connecting groove 6, and then fixed through the mounting flange 3. When the mill is working, the compressor is started, so that compressed air enters the first air flow channel 9 through the compressed air inlet 2, and is sprayed into the connecting groove 6 through the pressurized nozzle 10 to cool the connecting shaft. At the same time, the fan 15 is started to dissipate the heat conducted by the heat conduction plate 14 through the heat dissipation groove 4. Then, the solenoid valve 13 is started to discharge the internal compressed air through the air outlet 11 and the second air flow channel 12 to perform air conversion. Using the compressed air cooling structure for the hammer mill for cooling and heat dissipation increases the cooling form of the cooling structure. By cooling multiple structures simultaneously, the cooling efficiency is increased.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A compressed air cooling structure for a hammer mill, comprising a cooling structure cylinder (1), characterized in that: A compressed air inlet (2) is installed on one side of the cooling structure cylinder (1). A mounting flange (3) is installed on one side of the cooling structure cylinder (1) near the compressed air inlet (2). A heat dissipation groove (4) is formed on the surface of the cooling structure cylinder (1). A dustproof net (5) is installed on the inner side of the heat dissipation groove (4). A connecting groove (6) is formed on the other side of the cooling structure cylinder (1). A sealing ring (7) is installed along the edge of one side of the connecting groove (6). A compressed air outlet (8) is installed on one side of the cooling structure cylinder (1) near the connecting groove (6). The interior of the cooling structure cylinder (1) near the compressed air outlet... A first airflow channel (9) is provided on one side of the opening (8). A pressurized nozzle (10) is installed at the top of the cooling structure cylinder (1) near the first airflow channel (9). An air outlet (11) is provided at the top of the cooling structure cylinder (1) away from the first airflow channel (9). A second airflow channel (12) is provided at the top of the cooling structure cylinder (1) near the air outlet (11). A solenoid valve (13) is installed at one end of the second airflow channel (12). A heat-conducting plate (14) is installed at the side of the cooling structure cylinder (1) near the connecting groove (6). A fan (15) is installed on one side of the heat-conducting plate (14).

2. The compressed air cooling structure for a hammer mill according to claim 1, characterized in that: The compressed air inlet (2) is made of aluminum alloy to improve corrosion resistance and lightweight effect. The mounting flange (3) is designed as a detachable structure for easy on-site maintenance and replacement. The mounting flange (3) can be fixed by bolt connection and welding to ensure stable and reliable connection. The size of the compressed air inlet (2) matches the standard pipe interface to avoid air leakage problems.

3. The compressed air cooling structure for a hammer mill according to claim 1, characterized in that: The heat dissipation slots (4) are symmetrically arranged at equal intervals. The dustproof net (5) is made of stainless steel wire mesh, which is easy to clean repeatedly and for long-term use. The dustproof net (5) is designed to be detachable, which is convenient for users to clean the dust regularly. The layout of the heat dissipation slots (4) ensures that the heat dissipation area is maximized and the overall cooling efficiency is improved.

4. The compressed air cooling structure for a hammer mill according to claim 1, characterized in that: A sealing ring (7) is installed on the edge of the connecting groove (6). The sealing ring (7) is made of rubber material, which provides good sealing and cushioning. The sealing ring (7) is designed to be replaceable, which is convenient for quick replacement after wear. The size of the connecting groove (6) is adapted to various external device interfaces to ensure installation compatibility. The thickness of the sealing ring (7) is designed to be uniform to prevent air leakage.

5. The compressed air cooling structure for a hammer mill according to claim 1, characterized in that: The compressed air outlet (8) is connected to the first air channel (9), which is designed with a smooth inner wall structure to reduce airflow resistance. The diameter of the compressed air outlet (8) matches the industrial standard size for easy and quick docking. The path of the first air channel (9) is optimized to be straight to avoid airflow turbulence. The compressed air outlet (8) is made of galvanized steel to enhance durability.

6. The compressed air cooling structure for a hammer mill according to claim 1, characterized in that: The pressurized nozzle (10) and the air outlet (11) work together. The pressurized nozzle (10) is made of copper alloy to improve heat conduction efficiency. The air outlet (11) is designed with a porous structure to ensure uniform airflow distribution. The jet pressure of the pressurized nozzle (10) is adjustable to adapt to different working conditions. The surface of the air outlet (11) is polished to reduce the risk of dust accumulation.

7. The compressed air cooling structure for a hammer mill according to claim 1, characterized in that: A solenoid valve (13) is installed at one end of the second airflow channel (12). The solenoid valve (13) adopts a normally closed design to realize automatic airflow control. The power interface of the solenoid valve (13) is compatible with the 24V DC standard, which is convenient for on-site wiring. The cross-section of the second airflow channel (12) is circular to optimize airflow. The housing of the solenoid valve (13) is made of engineering plastic to reduce the overall weight.

8. The compressed air cooling structure for a hammer mill according to claim 1, characterized in that: The heat-conducting plate (14) is installed in correspondence with the fan (15). The heat-conducting plate (14) is made of aluminum material to accelerate heat dissipation. The fan (15) is an axial flow structure to provide stable airflow to assist cooling. The speed of the fan (15) can be manually adjusted to adapt to different temperature environments. The surface of the heat-conducting plate (14) is coated with an anti-oxidation coating to extend its service life.