CN210132333U - Wall surface grinding machine - Google Patents

Abstract

The utility model provides a wall polisher, includes polisher head and handle components, polisher head includes polisher head, reducing gear box assembly, protection plate and the dish of polishing, and polisher head includes casing, motor, fan blade and back shroud, the motor passes through the reducing gear box assembly and is connected with the dish of polishing, the dish of polishing is installed in the protection plate below, still be equipped with universal structure between polisher head and the handle components, handle components includes the main handle and controls the panel, it is integrated on the main handle and is connected with the controller to control the panel, motor and casing set up on the reducing gear box assembly, and the controller is located the below of motor and sets up on the protection plate, is equipped with the fin on the upper surface of controller, the fin is located the below of air outlet. The utility model provides a convenient operation, labour saving and time saving's wall polisher.

Description

Wall surface grinding machine

Technical Field

The utility model relates to a wall polisher.

Background

The existing wall surface grinding machine is inconvenient, time-consuming and labor-consuming when a ceiling is ground, the operation and the control are inconvenient, and the controller cannot timely dissipate heat.

Disclosure of Invention

In order to overcome the defect that current wall polisher has inconvenient operation, wastes time and energy, the utility model provides a convenient operation, labour saving and time saving's wall polisher.

The utility model provides a technical scheme that its technical problem adopted is:

a wall surface grinding machine comprises a grinding machine head and a handle component, wherein the grinding machine head comprises a grinding machine head, a reduction gearbox assembly, a protective disc and a grinding disc, the grinding machine head comprises a shell, a motor, a fan blade and a rear cover, the motor is connected with the grinding disc through the reduction gearbox assembly, the grinding disc is installed below the protective disc, a universal structure is further arranged between the grinding machine head and the handle component, the universal structure comprises a front fork, a rocker arm and a rocker arm installation frame, the rocker arm installation frame is located behind the motor and fixed on the reduction gearbox assembly, the reduction gearbox assembly is installed on the protective disc, the rocker arm is in an inverted triangle shape, the lower corner of the rocker arm is hinged with the rocker arm installation frame, the rocker arm can swing left and right around the hinged point, two sides of the front end of the front fork are respectively sleeved on two upper corners of the rocker arm and can, meanwhile, a torsion spring or a coil spring is arranged between the front end of the front fork and the upper corner of the rocker arm, one end of the torsion spring or the coil spring is connected with the rocker arm, the other end of the torsion spring or the coil spring is connected with the front fork, and the rear end of the rocker arm is connected with the handle assembly;

the handle assembly comprises a main handle and a control panel, the control panel is integrated on the main handle and is connected with a controller, the controller is connected with a motor, and a digital display window, a speed regulation key, a starting key, a power key and an LED lamp switch which are used for displaying the real-time rotating speed of the grinding machine are arranged on the control panel;

the wind power generator is characterized in that the fan blades are mounted on the motor through the wind guide ring, a rear cover is arranged outside the fan blades, an air inlet is formed in the rear cover, an air outlet is formed in the lower end of the casing, the motor and the casing are arranged on the reduction gearbox assembly, the controller is located below the motor and arranged on the protective disc, and cooling fins are arranged on the upper surface of the controller and located below the air outlet.

The beneficial effects of the utility model are that: the arrangement of the universal structure ensures that the sander saves time and labor when used for polishing a ceiling; an operation panel is integrated on the main handle, so that the operation and the control are convenient; the arrangement of the position of the radiating fins of the controller enables the motor and the controller to achieve the radiating function at the same time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a heat sink arrangement on the controller.

Fig. 3 is a schematic diagram of the simultaneous heat dissipation of the motor and the controller.

Fig. 4 is a schematic diagram of the front fork swinging leftward.

Fig. 5 is a schematic diagram of the swing of the front fork to the right.

Fig. 6 is a front-rear swinging schematic view of the front fork.

FIG. 7 is a schematic view of the gimbal structure mounting.

Fig. 8 is a working schematic diagram of the utility model of polishing vertical wall surface.

Fig. 9 is a schematic view of the present invention when polishing a ceiling.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 9, a wall surface grinding machine comprises a grinding machine head 1 and a handle component 2, wherein the grinding machine head comprises a grinding machine head, a reduction gearbox assembly, a protective disc 15 and a grinding disc 16, the grinding machine head comprises a casing 11, a motor, a fan blade 14 and a rear cover, the motor is connected with the grinding disc 16 through a reduction gearbox assembly 19, the grinding disc 16 is installed below the protective disc 15, a universal structure is further arranged between the grinding machine head 1 and the handle component 2, the universal structure comprises a front fork 31, a rocker arm 32 and a rocker arm mounting rack 33, the rocker arm mounting rack 33 is fixed on the reduction gearbox assembly 19, the reduction gearbox assembly 19 is installed on the protective disc 15, the rocker arm 32 is in an inverted triangle shape, the lower corner of the rocker arm is hinged to the rocker arm mounting rack 33, the rocker arm 32 can swing left and right around the hinged point, two sides of the front end of the front fork 31 are, the front fork 31 can move back and forth around the rocker 32, meanwhile, a torsion spring 34 or a coil spring is arranged between the front end of the front fork 31 and the upper corner of the rocker 32, one end of the torsion spring 34 or the coil spring is connected with the rocker 32, the other end of the torsion spring 34 is connected with the front fork, and the rear end of the rocker 32 is connected with the handle assembly 2;

the handle assembly comprises a main handle and a control panel 3, the control panel 3 is integrated on the main handle and is connected with a controller, the controller is connected with a motor, and a digital display window 4 for displaying the real-time rotating speed of the grinding machine, a speed regulation key 5, a starting key 6, a power key 7 and an LED lamp switch 8 are arranged on the control panel 3;

the fan blade 14 is installed on the motor through the wind guide ring 17, a rear cover 18 is arranged outside the fan blade 14, an air inlet is formed in the rear cover 18, an air outlet is formed in the lower end of the casing, the motor and the casing 11 are arranged on the reduction gearbox assembly 19, the controller 20 is located below the motor and arranged on the protective disc 15, the radiating fins 21 are arranged on the upper surface of the controller 20, and the radiating fins 21 are located below the air outlet.

As shown in fig. 1, the control panel is arranged on the main handle, the wall surface grinding machine can be switched on and switched off and speed-regulated only by moving fingers, the control panel is provided with a digital display window 4, the digital display window 4 can display the current rotating speed of the grinding machine in real time, and an operator can know the working state and the rotating speed of the machine at a glance.

As shown in fig. 2, the motor is composed of a stator 12 and a rotor 13, and the rear cover is located above the housing 11 and connected to the housing 11.

As shown in fig. 3, the upper arrow indicates the air inlet direction, and the lower arrow indicates the air outlet direction. When the machine works, external air passes through the air inlet of the rear cover 18 and then is supplied to the lower part by the fan blade 14, and airflow flows through the stator cavity and the surface of the radiating fin 21; the heat generated by the motor and the controller 20 during operation is taken away, so as to achieve the purpose of cooling the motor and the controller 20 at the same time.

As shown in fig. 4, 5, 6 and 7, the reduction gearbox assembly 19 is provided with a rocker arm mounting bracket 33, and the rocker arm 32 is mounted on the rocker arm mounting bracket 33, and forms a second pivot 10; the rocker arm can swing left and right around the second fulcrum 10, a front fork 31 of the handle assembly 2 is respectively arranged on two sides of the rocker arm 32, a first fulcrum 9 is formed at the position, the handle assembly 2 can swing front and back around the first fulcrum 9, a torsional spring 34 or a coil spring is arranged in a cavity formed by the front fork 31 and the rocker arm 32 around the second fulcrum 10, one end of the torsional spring is clamped into a clamping groove corresponding to the rocker arm, and the other end of the torsional spring is clamped into a clamping groove corresponding to the front fork; under the condition that the torsion spring 34 or the coil spring is not subjected to external force, a free angle is formed as shown in fig. 8, the angle is convenient for polishing the wall surface, and the handle assembly 2 can also swing in multiple directions such as up, down, left, right and the like.

When ceiling polishing work is carried out to needs, only need handle subassembly 2 to lift up, the grinder head can rotate around first fulcrum 9 under the effect of gravity and hang down, torsional spring 34 of adorning in front fork 31 this moment receives torsional moment, when contained angle more than or equal to 90 degrees that handle subassembly 2 and the grinding disk working face of grinder head formed, the flagging force of the aircraft nose of polishing just reaches the balance with the torsional moment that torsional spring 34 received, then formed the required angle of doing benefit to ceiling polishing work during this moment. The utility model discloses an universal structure need not to install additional auxiliary device when the wall of polishing switches with the ceiling of polishing, alright nimble switching angle between the wall of polishing and ceiling.

Claims (1)

1. The utility model provides a wall polisher, includes polisher head and handle components, polisher head includes polisher head, reducing gear box assembly, protection dish and the dish of polishing, and polisher head includes casing, motor, fan blade and back shroud, the motor passes through the reducing gear box assembly and is connected with the dish of polishing, the dish of polishing is installed in the protection dish below, its characterized in that: a universal structure is further arranged between the head of the grinding machine and the handle component and comprises a front fork, a rocker arm and a rocker arm mounting frame, the rocker arm mounting frame is located behind the motor and fixed on the reduction gearbox assembly, the reduction gearbox assembly is mounted on a protective disc, the rocker arm is in an inverted triangle shape, the lower corner of the rocker arm is hinged with the rocker arm mounting frame, the rocker arm can swing left and right around the hinged point, two sides of the front end of the front fork are respectively sleeved on two upper corners of the rocker arm and can be rotatably connected, the front fork can move back and forth around the rocker arm, meanwhile, a torsion spring or a coil spring is further arranged between the front end of the front fork and the upper corners of the rocker arm, one end of the torsion spring or the coil spring is connected with the rocker arm, the other end of the torsion spring or;

the handle assembly comprises a main handle and a control panel, the control panel is integrated on the main handle and is connected with a controller, the controller is connected with a motor, and a digital display window, a speed regulation key, a starting key, a power key and an LED lamp switch which are used for displaying the real-time rotating speed of the grinding machine are arranged on the control panel;

the wind power generator is characterized in that the fan blades are mounted on the motor through the wind guide ring, a rear cover is arranged outside the fan blades, an air inlet is formed in the rear cover, an air outlet is formed in the lower end of the casing, the motor and the casing are arranged on the reduction gearbox assembly, the controller is located below the motor and arranged on the protective disc, and cooling fins are arranged on the upper surface of the controller and located below the air outlet.

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