CN209654278U - Axial flow blower is used in a kind of cutting of building materials - Google Patents

Abstract

The utility model discloses an axial flow fan for cutting building materials, which comprises a fan barrel and a fan casing, a first fixed blade is arranged between the fan casing and the fan barrel, and a partition plate is arranged inside the fan barrel. A motor is installed on the side wall of the partition plate, the rotating end of the motor runs through the fan barrel and the fan impeller is installed, and a circulating water pump is arranged inside the fan barrel and on the right side of the partition plate. The outer wall of the motor is sleeved with a cylindrical water-cooling warehouse, the outer wall of the fan cylinder is sleeved with a cylindrical cooling chamber, and the water outlet of the circulating water pump is connected with the cylindrical water-cooling warehouse through a water outlet pipe. A large amount of dust will be generated, and the motor can be protected by a relatively airtight structure. The circulation pump drives the coolant to flow in the cylindrical water cooling chamber and the cylindrical heat dissipation chamber, which can solve the heat dissipation problem of the motor. When the motor is working, it will drive the impeller to accelerate the cylinder. Shaped heat dissipation chamber dissipates heat, so that the cooling effect of the coolant on the motor is better.

Description

An axial flow fan for cutting building materials

technical field

The utility model relates to the technical field of building material production equipment, in particular to an axial flow fan for building material cutting.

Background technique

Building material cutting is a kind of building material processing method, which is a processing technology for obtaining specific shape materials by cutting structural materials or decorative materials.

A large amount of dust will be generated when cutting building materials, so it is necessary to use a fan to blow soot when cutting. The fan will generate heat when it is working. If the heat generated is not discharged quickly, it will affect the working status of the fan. Traditional fans generally dissipate heat through cooling holes. However, due to the large amount of dust during operation, the cooling method through the cooling holes will cause dust to enter the inside of the fan, affecting the motor and increasing the burden of cleaning work.

Contents of the invention

The purpose of this utility model is to provide an axial flow fan for cutting building materials to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an axial flow fan for cutting building materials, including a fan barrel and a fan casing, a first fixed blade is arranged between the fan casing and the fan barrel, and the fan barrel There is a partition board inside, and a motor is installed on the side wall of the partition board. The motor can be protected by the fan barrel, and the influence of the external environment received during work can be reduced as much as possible. A large number of dust particles, these dust particles may cause damage to the motor, and it is difficult to clean up when the damage occurs, so installing the motor in the fan barrel can prolong its service life, and the rotating end of the motor runs through the fan barrel and A fan impeller is installed, a circulating water pump is installed inside the fan cylinder and on the right side of the partition plate, and a cylindrical water-cooled warehouse is sleeved on the outer wall of the motor, and the cylindrical water-cooled warehouse is in contact with the motor casing. The side wall is evenly provided with heat sink grooves, so that the heat sink can be plugged into the cylindrical water-cooled warehouse, and the heat dissipation effect of the cylindrical water-cooled warehouse is better. The outer wall of the fan cylinder is sleeved with a cylindrical heat sink The water outlet of the circulating water pump is connected with the cylindrical water cooling chamber through the water outlet pipe, the water inlet of the circulating water pump is connected with the cylindrical heat dissipation chamber through the water inlet pipe, and the cylindrical heat dissipation chamber and the cylindrical water cooling chamber pass through The circulation pipes are connected. Since the motor is installed in the fan barrel, the environment in the fan barrel is relatively closed during operation, which is not conducive to the heat dissipation of the motor. In addition, the requirements for the working strength of the motor are high when cutting building materials. When it is in a high-power working state, the heating speed is obviously faster, so the heat generated by the motor is transferred by water cooling. The cylindrical heat dissipation warehouse, the cylindrical water cooling warehouse and the circulating pump are in a connected relationship. The cylindrical water cooling warehouse and the motor The outer wall of the cylindrical water-cooled warehouse is in contact with each other, and the heat is transferred to the liquid inside the cylindrical water-cooled warehouse. The liquid in the cylindrical water-cooled warehouse can be transported to the cylindrical heat-dissipating warehouse through the work of the circulation pump. Since the motor drives the fan impeller to rotate during operation, it generates Airflow, the airflow passing through the cylindrical heat dissipation chamber can take away the heat in the cylindrical heat dissipation chamber. Through this heat dissipation method, the cooling speed is accelerated, and the cooling effect of the motor is better.

Preferably, the cylindrical heat dissipation bin is made of copper, and the cylindrical water cooling bin is made of copper. The copper structure has good thermal conductivity and fast heat dissipation, and is suitable for cooling work.

Preferably, heat dissipation fins are evenly arranged on the outer wall of the cylindrical heat dissipation chamber, and the heat dissipation fins can increase the contact area between the cylindrical heat dissipation chamber and the air, so that the heat dissipation speed of the cylindrical heat dissipation chamber is faster and the heat dissipation effect is better. .

Preferably, a partition ring is provided in the middle of the cylindrical heat dissipation chamber, and the partition ring divides the cylindrical heat dissipation chamber into two sections, the water inlet pipe and the circulation pipe are respectively connected to the two sections, and the partition ring There is a through hole on the top, and the cooling time of the liquid entering the circulation pipe can be increased through the separating ring, so as to prevent the liquid in the circulation pipe from being sucked back into the water inlet pipe as soon as it enters, thereby causing the return liquid to overheat.

Preferably, the fan housing is sequentially assembled from a collecting cylinder, a first assembly shell, a second assembly shell, a third assembly shell and a diffuser cylinder in the direction from the motor to the circulating water pump through bolts, and the collector cylinder and the diffuser The tubes are all arc-shaped structures, the area of the inlet end of the collecting tube is larger than the area of the outlet end, the area of the inlet end of the diffuser tube is smaller than the area of the one end of the area, the second assembly shell and the first fixed vane The collecting tube is connected with a fairing through the second fixed blade, and the fairing is located on the side of the fan impeller away from the motor. Through the collecting tube and the fairing, the airflow can be accelerated and the airflow can be more uniform The generation of noise is reduced. The collecting cylinder, the first assembly shell, the second assembly shell, the third assembly shell and the diffuser are assembled by bolts for easy disassembly and cleaning. Due to the excessive dust from cutting of building materials, the cleaning frequency of the device is high. Therefore, the utility model is easy to be disassembled to make cleaning more convenient for users. The fan cylinder can be fixed without affecting the air flow through the first fixed blade, and the collecting cylinder can be fixed through the second fixed blade.

Preferably, a wire groove is provided inside the first fixed blade, through which it is convenient for installers to carry out electrical wiring.

Compared with the prior art, the beneficial effect of the utility model is: an axial flow fan for cutting building materials, because the cutting of building materials will generate a lot of dust, the relatively airtight structure produced by the fan barrel can protect the motor, and the motor is driven by the circulating pump The flow of coolant in the cylindrical water-cooling chamber and the cylindrical heat dissipation chamber can solve the heat dissipation problem of the motor. When the motor is working, it will drive the impeller to rotate to generate airflow. The airflow will also accelerate the heat dissipation of the cylindrical heat dissipation chamber while being used for building material cutting. , so that the cooling effect of the coolant on the motor is better, and because the dust accumulation speed of the fan is fast during use, it needs to be disassembled and cleaned frequently. The fan casing of this device is assembled into one body by bolt connection, which is convenient for disassembly It is very convenient for the user to clean, and there will be no dead angle for cleaning.

Description of drawings

Fig. 1 is the structural sectional schematic diagram of the present utility model;

Fig. 2 is a schematic diagram of the front view of the structure of the utility model;

Fig. 3 is a left view sectional structural schematic diagram of a cylindrical cooling chamber of the present invention;

Fig. 4 is a schematic cross-sectional view of the structure of the cylindrical water-cooled warehouse of the present invention.

In the figure: 1-fan barrel, 2-fan casing, 3-partition plate, 4-motor, 5-fan impeller, 6-circulating water pump, 7-cylindrical water cooling warehouse, 8-cylindrical heat dissipation chamber, 9-heat dissipation Fin, 10-divider ring, 11-through hole, 12-collector, 13-first assembly shell, 14-second assembly shell, 15-third assembly shell, 16-diffusion cylinder, 17-first fixing Blade, 18-second stationary blade, 19-cowl, 20-impeller hub, 21-internal connector, 22-main blade.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1, the utility model provides a technical solution: an axial flow fan for cutting building materials, including a fan barrel 1 and a fan casing 2, and a first fixed blade 17 is arranged between the fan casing 2 and the fan barrel 1 , the inside of the fan barrel 1 is provided with a partition plate 3, and a motor 4 is installed on the side wall of the partition plate 3. The motor model in this embodiment is a three-phase asynchronous motor of Y801-4. This motor It is fully enclosed, and the synchronous speed can reach 1500 revolutions per minute, which meets the working requirements of the fan. The rotating end of the motor 4 runs through the fan barrel 1 and is equipped with a fan impeller 5. The inside of the fan barrel 1 is located on the partition plate The right side of 3 is provided with circulating water pump 6, and the type of circulating water pump in this embodiment is 15SG1.8-10, and the weight of this circulating water pump is relatively low, and power can meet cooling demand, please refer to Fig. 4, the outside of described motor 4 A cylindrical water-cooling warehouse 7 is socketed on the wall, and a cylindrical heat dissipation chamber 8 is socketed on the outer wall of the fan barrel 1. The water outlet of the circulating water pump 6 is connected with the cylindrical water-cooling chamber 7 through a water outlet pipe. The water inlet of the circulating water pump 6 communicates with the cylindrical heat dissipation chamber 8 through the water inlet pipe, and the cylindrical heat dissipation chamber 8 communicates with the cylindrical water cooling chamber 7 through the circulation pipe.

Specifically, the cylindrical heat dissipation chamber 8 is a copper heat dissipation chamber, and the cylindrical water cooling chamber 7 is a copper water cooling chamber.

Specifically, referring to FIG. 3 , heat dissipation fins 9 are evenly provided on the outer wall of the cylindrical heat dissipation chamber 8 .

Specifically, please refer to Fig. 3, the middle part of the cylindrical heat dissipation chamber 8 is provided with a partition ring 10, and the partition ring 10 divides the cylindrical heat dissipation chamber 8 into two sections, and the water inlet pipe and the circulation pipe are respectively connected On the two intervals, the separation ring 10 is provided with through holes 11 .

Specifically, please refer to FIG. 2 , the fan housing 2 is sequentially composed of a collector tube 12 , a first assembly shell 13 , a second assembly shell 14 , a third assembly shell 15 and a diffuser tube in the direction from the motor 4 to the circulating water pump 6 . 16 is assembled by bolts, the collecting tube 12 and the diffuser tube 16 are arc-shaped structures, the second assembly shell 14 is connected with the first fixed blade 17, and the collecting tube 12 is fixed by the second The blades 18 are connected with a fairing 19, and the fairing 19 is located on the side of the fan impeller 5 away from the motor (4).

Specifically, the first fixed blade 17 is provided with a wire slot inside.

Working principle: In this utility model, the motor can be protected by the fan barrel, and the influence of the external environment received during work can be reduced as much as possible. Since a large amount of dust particles will be generated during the cutting of building materials, these dust particles may cause damage to the motor. , and it is difficult to clean when damage occurs, so installing the motor in the fan barrel can prolong its service life. When the motor is working, the rotating end drives the fan impeller to rotate to generate the wind required for building material cutting. inside the fan barrel, so the inside of the fan barrel is a relatively closed environment during work, which is not conducive to the heat dissipation of the motor, and the requirements for the working strength of the motor are high when cutting building materials. When the motor is in a high-power working state The heat generation is obviously faster, so the heat generated by the motor is transferred by water cooling. The cylindrical heat dissipation chamber, the cylindrical water cooling chamber and the circulation pump are in a connected relationship. The cylindrical water cooling chamber is in contact with the outer wall of the motor to transfer the heat To the liquid inside the cylindrical water-cooling chamber, the liquid in the cylindrical water-cooling chamber can be transported to the cylindrical heat dissipation chamber through the work of the circulation pump. Since the motor drives the fan impeller to rotate to generate airflow, the airflow passing through the cylindrical heat dissipation chamber can The heat in the cylindrical heat dissipation chamber is taken away, and the cooling speed is accelerated through this heat dissipation method, so that the cooling effect of the motor is better, and the cooling time of the liquid entering the circulation pipe can be increased through the separator ring, preventing the liquid in the circulation pipe from entering immediately. It is sucked back into the water inlet pipe, so that the return liquid is superheated, and the airflow can be accelerated through the collecting cylinder and the fairing, and at the same time, the airflow is more uniform and the noise is reduced. The collecting cylinder, the first assembly shell, and the second assembly shell 3. The third assembly shell and the diffusion cylinder are assembled by bolts for easy disassembly and cleaning. Since the cutting dust of building materials is too large, the cleaning frequency of the device is relatively high, so the utility model is easy to disassemble and makes cleaning more convenient for users. The first fixed blade can The fan barrel is fixed without affecting the air flow, and the collecting barrel can be fixed by the second fixed blade.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. An axial flow fan for cutting building materials, comprising a fan barrel (1) and a fan casing (2), and a first fixed blade (17) is arranged between the fan casing (2) and the fan barrel (1). It is characterized in that a partition plate (3) is provided inside the fan barrel (1), a motor (4) is installed on one side wall of the partition plate (3), and the rotating end of the motor (4) A fan impeller (5) is installed through the fan barrel (1), and a circulating water pump (6) is provided inside the fan barrel (1) and on the right side of the partition plate (3), and the motor (4) A cylindrical water cooling chamber (7) is socketed on the outer wall of the fan barrel (1), and a cylindrical cooling chamber (8) is socketed on the outer wall of the fan barrel (1), and the water outlet of the circulating water pump (6) passes through the water outlet pipe It communicates with the cylindrical water-cooling warehouse (7), and the water inlet of the circulating water pump (6) communicates with the cylindrical heat dissipation chamber (8) through the water inlet pipe, and the cylindrical heat dissipation chamber (8) is connected with the cylindrical water-cooling chamber ( 7) Connected through the circulation pipe. 2. An axial flow fan for cutting building materials according to claim 1, characterized in that: the cylindrical cooling bin (8) is made of copper cooling bin, and the cylindrical water cooling bin (7) is made of copper water cooling warehouse. 3. The axial flow fan for cutting building materials according to claim 1, characterized in that: the outer wall of the cylindrical heat dissipation chamber (8) is evenly provided with heat dissipation fins (9). 4. The axial flow fan for cutting building materials according to claim 1, characterized in that: a partition ring (10) is provided in the middle of the cylindrical heat dissipation chamber (8), and the partition ring (10) divides the cylinder The shaped cooling chamber (8) is divided into two sections, the water inlet pipe and the circulation pipe are respectively connected to the two sections, and the separation ring (10) is provided with a through hole (11). 5. An axial flow fan for building material cutting according to claim 1, characterized in that: the fan casing (2) is successively connected by the collecting tube (12) in the direction from the motor (4) to the circulating water pump (6). , the first assembly shell (13), the second assembly shell (14), the third assembly shell (15) and the diffusion cylinder (16) are assembled by bolts, and the collector cylinder (12) and the diffusion cylinder (16) Both are arc-shaped structures, the second assembly shell (14) is connected with the first fixed blade (17), and the collector (12) is connected with a fairing (19) through the second fixed blade (18) , the fairing (19) is located on the side of the fan impeller (5) away from the motor (4). 6. The axial flow fan for cutting building materials according to claim 5, characterized in that: the first fixed blade (17) is provided with a wire groove.