CN212071341U - Wall polisher for construction - Google Patents

Abstract

The utility model provides a wall grinding machine for building construction, which relates to the technical field of construction tools, comprising: a grinding machine shell, a motor, a dust suction pipe, a grinding disc and an inner cavity. Grinding disc, the interior of the grinding machine shell is provided with an inner cavity, the rear end of the grinding machine shell is welded with a motor, the bottom end of the grinding machine shell is fixedly connected with a suction pipe through a conduit, and the connection between the grinding machine shell and the dust suction pipe is provided with a Micro air pump. The utility model provides a wall grinding machine for building construction. The grinding discs are arranged in a meniscus ring on a grinding disc, and the grinding discs have a height of 1 mm. When the grinding disc is rotated clockwise for grinding, dust will be caused by the grinding discs. The meniscus-shaped setting moves to the center of the grinding disc through the action of centrifugal force, and smoothly enters the collection tank, reducing the dust content in the air of the working environment and providing a good working environment for the grinding workers.

Description

A wall grinding machine for building construction

technical field

The utility model relates to the technical field of construction tools, in particular to a wall grinding machine for building construction.

Background technique

Due to the progress of society, people like beautiful things in life. Therefore, during construction, the smoothness of the wall is required to be relatively high, and a wall grinder will be used to polish the wall. A lot of dust and noise are generated, affecting the health of nearby residents and staff, so it is necessary to upgrade and renovate the existing grinding machine to overcome the existing problems and deficiencies.

Utility model content

(1) Technical problems

To sum up, the present invention provides a wall grinding machine for building construction, so as to solve the problem of generating a large amount of dust and noise when grinding the wall.

(2) Technical solutions

The utility provides a wall grinding machine for building construction, comprising: a grinding machine shell, a motor, a dust suction pipe, a grinding disc and an inner cavity; The interior of the grinder housing is provided with an inner cavity, the rear end of the grinder housing is welded with a motor, and the bottom end of the grinder housing is fixedly connected with a dust suction pipe through a conduit, and the dust suction pipe is communicated with the internal cavity; A micro air pump is arranged at the connection between the grinding machine casing and the dust suction pipe, the front end of the grinding machine casing is provided with a rubber gasket, the front end of the motor is rotatably connected with a motor rotating shaft, and the motor and the motor rotating shaft are connected. An isolation cover is nested on the outer surface of the dust suction pipe, and a handle is nested on the outer wall of the dust suction pipe. The dust suction pipe is provided with an adjustment disk at a place close to the outer surface of the grinding machine; the outer surface of the grinding disk is provided with There is a grinding sheet, a collection groove is arranged at the axis of the grinding disc, and the inner wall of the collecting groove is provided with dust suction holes arranged in a ring. The grinding disc is fixedly connected to the motor through the motor rotating shaft, and the inner cavity There is a noise reduction groove on the inner wall of the .

Preferably, the rubber gasket is in the shape of a concave arc and is pasted on the front end of the casing of the sander through glue.

Preferably, the collection tank is in the shape of a concave bowl.

Preferably, the polishing pads are arranged on the polishing disc in a meniscus-shaped ring, and the polishing pads have a height of 1 mm.

Preferably, the noise reduction grooves are evenly distributed on the inner wall of the noise reduction cavity in a wave shape, with a concave depth of 5 mm, and sound-absorbing cotton is laid on the surface thereof.

(3) Beneficial effects

The utility model uses the rubber gasket in the shape of a concave arc to be pasted on the front end of the grinding machine shell through adhesive, which can be closely attached to the wall like a suction cup, block a small amount of dust that does not enter the dust suction groove, and at the same time can isolate a part of the dust caused by grinding. The noise generated when the wall is sanded reduces the impact of other residents when the wall is sanded.

Secondly, the grinding discs are arranged in a meniscus ring on the grinding disc, and the grinding disc has a height of 1mm, so that a meniscus-shaped channel is formed between the two grinding discs. Because of the meniscus setting of the grinding disc, it will move to the center of the grinding disc in this channel through the action of centrifugal force, and smoothly enter the collecting tank, reducing the dust content in the air of the working environment, and providing a good working environment for the grinding workers.

Sound-absorbing cotton is arranged on the inner wall of the noise reduction groove, and part of the sound wave penetrates into the micro-pores inside the material, so that the sound wave is consumed during the transmission process, so as to reduce the noise.

Description of drawings

Fig. 1 is the overall structure schematic diagram in the practical embodiment,

2 is a schematic view of the structure of the grinding surface in the practical embodiment,

Fig. 3 is a side sectional partial structural schematic diagram in the practical embodiment,

In Figures 1 to 3, the corresponding relationship between component names or lines and drawing numbers is:

1-grinder shell, 101-micro air pump, 102-rubber gasket, 2-motor, 201-motor rotating shaft, 202-isolation cover, 3-grip rod, 301-dust pipe, 302-adjustment disc, 4-grinding Disc, 401-grinding sheet, 402-collecting slot, 403-dust hole, 5-inner cavity, 501-noise reduction slot.

Detailed ways

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present utility, but cannot be used to limit the scope of the present utility.

Please refer to FIG. 1 to FIG. 3 , the present utility proposes a wall grinding machine for building construction, including: a grinding machine shell 1, a motor 2, a dust suction pipe 3, a grinding disc 4 and an inner cavity 5, the grinding machine shell 1 A grinding disc 4 is arranged at the inner front end axis, an inner cavity 5 is arranged inside the grinding machine shell 1, the motor 2 is welded to the rear end of the grinding machine shell 1, and the bottom end of the grinding machine shell 1 is fixedly connected with a dust suction pipe through a conduit. 3, and the suction pipe 3 communicates with the inner cavity 5;

A micro air pump 101 is provided at the connection between the grinding machine housing 1 and the dust suction pipe 3, the front end of the grinding machine housing 1 is provided with a rubber gasket 102, and the front end of the motor 2 is rotatably connected with a motor rotating shaft 201. An isolation cover 202 is nested on the outer surface, a handle 301 is nested on the outer wall of the dust suction pipe 3, and an adjustment disc 302 is arranged on the dust suction pipe 3 near the casing 1 of the sander;

The outer surface of the grinding disc 4 is provided with a grinding sheet 401, the axis of the grinding disc 4 is provided with a collecting groove 402, and the inner wall of the collecting groove 402 is provided with a circular arrangement of dust suction holes 403, and the grinding disc 4 is connected with the rotating shaft 201 of the motor through the motor. The motor 2 is fixedly connected, and the inner wall of the inner cavity 5 is provided with a noise reduction groove 501 .

Further, the rubber gasket 102 is in the shape of a concave circular arc and is pasted on the front end of the grinding machine casing 1 through adhesive, and can be closely attached to the wall like a suction cup, preventing a small amount of dust that does not enter the collection tank 402 from spreading out, and at the same time, it can also Isolate part of the noise caused by sanding and reduce the impact of other residents when sanding the wall.

Further, the collecting tank 402 is in the shape of a concave bowl, which can collect the dust generated after grinding, so that the dust will not run around because there is no space, and the working environment is optimized.

Further, the grinding discs 401 are arranged on the grinding disc 4 in a meniscus shape, and the grinding discs 401 have a height of 1 mm, so that a meniscus-shaped channel is formed between the two grinding discs 401, and the grinding disc 4 is clockwise. During rotary grinding, the dust will move to the center of the grinding disc 4 in this channel through the action of centrifugal force due to the meniscus-shaped setting of the grinding sheet, and smoothly enter the collecting groove 402 .

Further, the noise reduction grooves 501 are evenly distributed on the inner wall of the inner cavity 5, the inner concave depth is 5 mm, and sound-absorbing cotton is laid on the surface thereof.

Working principle: First, connect the whole device with an external power supply and a vacuum cleaner. When the staff polishes the wall, the angle between the grinder and the wall is adjusted by the adjustment disc 302 according to whether the wall is polished or the ceiling is polished, and the switch is turned on. , the motor 2 drives the grinding disc 4 to rotate clockwise through the motor drive shaft 201, and the dust will move to the center of the grinding disc 4 by centrifugal force due to the meniscus-shaped setting of the grinding disc 401, and enter the collection groove 402 through the dust suction hole 403. It is concentrated in the suction pipe 4 and transported to the external vacuum cleaner, and then the concave rubber gasket 102 can be closely attached to the wall like a suction cup to block the noise generated during grinding and the dust that does not enter the collection tank 402. The attractive force brings them into the inner cavity 5, and the micro air pump 101 can strengthen the attractive force in the inner cavity 5, so that the dust is sucked into the suction pipe 3 by a larger attractive force, and then the isolation cover 202 can protect the dust from entering Damage is caused in the motor 2, and finally the inner wall of the inner cavity 5 and the noise reduction groove 501 on the outer wall of the grinding disc are used to consume noise and achieve the effect of no dust and no noise.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for the design of various embodiments with various modifications as are suited to the particular use.

Claims (5)

1. The utility model provides a wall polisher for construction which characterized in that includes: the polishing machine comprises a polisher shell (1), a motor (2), a dust collection pipe (3), a polishing disc (4) and an inner cavity (5), wherein the polishing disc (4) is arranged at the axle center of the front end in the polisher shell (1), the inner cavity (5) is arranged in the polisher shell (1), the motor (2) is welded at the rear end of the polisher shell (1), the dust collection pipe (3) is fixedly connected to the bottom end of the polisher shell (1) through a guide pipe, and the dust collection pipe (3) is communicated with the inner cavity (5);

a micro air pump (101) is arranged at the joint of the polisher shell (1) and the dust suction pipe (3), a rubber gasket (102) is arranged at the front end of the polisher shell (1), a motor rotating shaft (201) is rotatably connected to the front end of the motor (2), an isolation cover (202) is nested on the outer surfaces of the motor (2) and the motor rotating shaft (201), a handle (301) is nested on the outer wall of the dust suction pipe (3), and an adjusting disc (302) is arranged at one position, close to the polisher shell (1), of the dust suction pipe (3);

the outer surface of the polishing disc (4) is provided with a polishing disc (401), the axis of the polishing disc (4) is provided with a collecting tank (402), the inner wall of the collecting tank (402) is provided with dust suction holes (403) which are annularly arranged, the polishing disc (4) is fixedly connected with a motor (2) through a motor rotating shaft (201), and the inner wall of the inner cavity (5) is provided with a noise reduction groove (501).

2. A wall sander for building construction according to claim 1, wherein the rubber washer (102) is in the shape of an inward concave arc and is adhered to the front end of the sander housing (1) by glue.

3. A wall sander for building construction according to claim 1, wherein the collection trough (402) is concave bowl-shaped.

4. A wall sander for building construction according to claim 1, wherein said sanding sheet (401) is arranged in a meniscus shape on the sanding disc (4), and the sanding sheet (401) has a height of 1 mm.

5. A wall surface grinding machine for building construction according to claim 1, characterized in that the noise reduction grooves (501) are uniformly distributed on the inner wall of the inner cavity (5) in a wave shape, the depth of the concave part is 5mm, and the surface is paved with sound absorption cotton.

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