Heat dissipation air duct of magnetic drill press

Abstract

The utility model provides a magnetic drill press heat dissipation air duct which comprises a first shell, and an air inlet and a first air outlet are formed in the first shell; the second shell is connected to the first shell, the second shell and the first shell are symmetrically arranged, and a controller heat dissipation cavity and a mounting groove are jointly formed between the first shell and the second shell; a first air duct is formed in the controller heat dissipation cavity, an aluminum radiator is installed on the first air duct, and the first air duct is communicated with the air inlet; the mounting groove is used for mounting a motor, and a second air duct is formed in the motor; and the first air duct is communicated with the second air duct. According to the utility model, the problem of machine failure caused by heating of the high-power tube of the motor controller in the working process of the magnetic drill press is solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric tools, and more particularly relates to a magnetic base drill heat dissipation air duct. BACKGROUND

[0002] Drilling machines are widely used. Previously, the motor controller of a magnetic base drill cannot normally play the maximum efficiency due to poor heat dissipation, and the controller high-power tube is seriously overheated and burned out, which greatly affects the production construction progress and causes equipment and property losses.

[0003] In view of this situation, the controller heat dissipation air duct is specially designed by the applicant, so that natural cool air enters from the air inlet, completely penetrates the entire aluminum heat sink, then enters the motor rotating stator gap along the air duct, further dissipates heat for the motor, and finally hot air is taken out from the air outlet. The overall design is simple, small in size, low in cost, and easy to operate. SUMMARY

[0004] The purpose of the embodiment of the application is to provide a magnetic base drill heat dissipation air duct which solves the problem of machine failure caused by overheating of the high-power tube of the motor controller during the working process of the magnetic base drill.

[0005] To achieve the above purpose, the technical scheme adopted by the application is as follows: a magnetic base drill heat dissipation air duct comprises:

[0006] A first shell is provided with an air inlet and a first air outlet;

[0007] A second shell is connected to the first shell, the second shell is symmetrically arranged with the first shell, and the first shell and the second shell jointly form a controller heat dissipation cavity and a mounting groove therebetween;

[0008] A first air duct is formed in the controller heat dissipation cavity, and an aluminum heat sink is mounted on the first air duct, and the first air duct is in communication with the air inlet;

[0009] The mounting groove is used for mounting a motor, and a second air duct is formed on the motor;

[0010] The first air duct and the second air duct are in communication.

[0011] Preferably, the second air duct penetrates the motor, and the second air duct is in communication with the first air outlet.

[0012] Preferably, the magnetic base drill heat dissipation air duct further comprises:

[0013] A centrifugal fan blade is installed on the motor output shaft, and under the action of the centrifugal fan blade, cool air can discharge the heat in the controller heat dissipation cavity and the heat generated by the motor from the first air outlet.

[0014] Preferably, the aluminum heat sink is provided with a through hole.

[0015] Preferably, the air inlet is provided with an air inlet grille.

[0016] Preferably, the inner side of the air inlet grille is provided with a foreign matter blocking part.

[0017] Preferably, the second shell is provided with a second air outlet.

[0018] Preferably, the first air outlet and the second air outlet are both provided with an air outlet grille.

[0019] Preferably, the first air outlet and the second air outlet are symmetrically arranged about the centrifugal fan blade, so that hot air can be quickly discharged.

[0020] The magnetic base drill heat dissipation air duct provided by the application has the beneficial effects that:

[0021] 1. The first shell is provided with an air inlet and a first air outlet;

[0022] A second shell is connected to the first shell, the second shell and the first shell are symmetrically arranged, and the first shell and the second shell jointly form a controller heat dissipation cavity and a mounting groove; a first air duct is formed in the controller heat dissipation cavity, and an aluminum heat sink is mounted on the first air duct, the first air duct is in communication with the air inlet; the mounting groove is used for mounting a motor, and a second air duct is formed on the motor; the first air duct and the second air duct are in communication, the second air duct is in communication with the first air outlet, cool air passes through the entire controller aluminum heat sink, and the heat generated by the high-power tube and the motor is taken away, so that the controller and the motor work in the best environment temperature and have the best working efficiency, and the service life of the motor is greatly prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Fig. 1 The magnetic base drill heat dissipation air duct provided by the application has the beneficial effects that:

[0025] Fig. 2 An internal structure schematic diagram of a magnetic seat drill heat dissipation air duct provided by an embodiment of the present application is shown in FIG. 1.

[0026] Fig. 3 A structure schematic diagram of a first shell of a magnetic seat drill heat dissipation air duct provided by an embodiment of the present application is shown in FIG. 2.

[0027] In the drawings, various reference signs represent:

[0028] 1, magnetic seat; 2, first shell; 3, second shell; 4, controller heat dissipation cavity; 5, aluminum heat sink; 6, through hole; 7, motor; 8, centrifugal fan blade; 9, air inlet grille; 10, foreign matter blocking part; 11, air outlet grille; 12, mounting groove. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] Please refer to Figs. 1 to 3 , now a magnetic seat drill heat dissipation air duct provided by an embodiment of the present application will be described.

[0034] The magnetic base 1 drill heat dissipation air duct, comprising: a first housing 2, a second housing 3, a motor 7.

[0035] Specifically, the first housing 2 is provided with an air inlet and a first air outlet; the second housing 3 is similar to the first housing 2, the second housing 3 is connected to the first housing 2, the second housing 3 and the first housing 2 are symmetrically arranged and are fixedly connected to the magnetic base 1, the first housing 2 and the second housing 3 jointly form a controller heat dissipation cavity 4 and a mounting groove 12; a first air duct is formed in the controller heat dissipation cavity 4, and an aluminum heat sink 5 is mounted on the first air duct, components (such as high-power transistors, circuit boards, relays, etc.) are mounted on the aluminum heat sink 5, and further, the aluminum heat sink 5 is provided with a through hole 6, so that the natural cool wind can take away the heat generated on both sides of the aluminum heat sink 5, and the aluminum heat sink 5 is further effectively cooled. The first air duct is in communication with the air inlet; the mounting groove 12 is used for mounting the motor 7, and a second air duct is formed on the motor 7, specifically, the second air duct is the gap between the inner ring of the stator and the outer ring of the rotor of the motor 7; the first air duct and the second air duct are in communication. The second air duct penetrates through the motor 7 and is in communication with the first air outlet.

[0036] As a preferred embodiment, the magnetic base 1 drill heat dissipation air duct further comprises: a centrifugal fan blade 8 mounted on the output shaft of the motor 7, the motor 7 drives the centrifugal fan blade 8 to rotate after starting, under the driving of the rotor centrifugal fan blade 8, the natural cool wind is sucked from the air inlet, enters the first air duct and carries the heat emitted by the aluminum heat sink 5, and then enters the best heat dissipation part of the gap (i.e. the second air duct) between the inner ring of the stator and the outer ring of the rotor of the motor 7 along the air duct, the motor 7 is best cooled, and finally the rotor centrifugal fan blade 8 discharges hot air from the air outlet.

[0037] In order to prevent foreign matter from entering the inside from the air inlet, the air inlet is provided with an air inlet grille 9. And the inner side of the air inlet grille 9 is further provided with a foreign matter blocking part 10, so that an S-shaped flow channel is formed at the air inlet, and the foreign matter is clamped by the foreign matter blocking part when passing through the S-shaped flow channel, avoiding the foreign matter directly entering the first air duct.

[0038] Further, the second housing 3 is provided with a second air outlet. The first air outlet and the second air outlet are both provided with an air outlet grille 11. The first air outlet and the second air outlet are symmetrically arranged about the centrifugal fan blade 8, so that the hot air can be quickly discharged from the first air outlet and the second air outlet.

[0039] The above only describes preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A magnetic base drill heat dissipation air duct, characterized in that, The application relates to a magnetic base drill heat dissipation air duct. The application relates to a magnetic base drill heat dissipation air duct.

2. The magnetic base drill heat dissipation air duct according to claim 1 is characterized in that: The second air duct penetrates the motor, and the second air duct is communicated with the first air outlet. Further comprising: A centrifugal fan blade is installed on the motor output shaft, and under the action of the centrifugal fan blade, cool air can discharge the heat in the controller heat dissipation cavity and the heat generated by the motor from the first air outlet. The aluminum heat sink is provided with a through hole. The air inlet is provided with an air inlet grille.

3. The magnetic base drill heat dissipation air duct of claim 2, wherein, The inner side of the air inlet grille is provided with a foreign matter blocking part. The second shell is provided with a second air outlet.

4. The magnetic base drill heat dissipation air duct according to claim 1 or 3, characterized in that: The first air outlet and the second air outlet are both provided with air outlet grilles.

5. A magnetic base drill heat dissipation air duct according to claim 4, characterized in that: The first air outlet and the second air outlet are symmetrically arranged about the centrifugal fan blade, so that hot air can be quickly discharged.

6. A magnetic base drill heat dissipation air duct according to claim 5, characterized in that: ​ 7. A magnetic base drill heat dissipation air duct according to claim 6, characterized in that: ​ 8. The magnetic base heat dissipation air duct of claim 7, wherein: ​ 9. A magnetic base drill heat dissipation air duct according to claim 8, characterized in that: ​

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