CN201635348U - Handheld wall smoothing machine - Google Patents

Abstract

The utility model relates to a handheld wall surface roughening machine, belonging to devices for decoration of wall surfaces of buildings and comprising a pair of roughening machine frame bodies, a roller, a steel wire brush, a motor, a pair of guide rolls and a handle, wherein the roughening machine frame bodies are provided with bearing seats; the roller is provided with a roller cavity which is internally and fixedly provided with a driven gear ring, and two ends of the roller cavity are provided with a pair of first bearings; the steel wire brush wraps the outer peripheral surface of the roller; the motor is arranged in the roller cavity; an output shaft at one end of the motor is provided with a driving gear, and the other end of the motor is fixed on a motor frame which is arranged in the roller cavity and fixed with the pair of roughening machine frame bodies; the pair of guide rolls are connected on the pair of roughening machine frame bodies and are arranged in an up-and-down corresponding manner; and the handle is fixed on the pair of roughening machine frame bodies. The handheld wall surface roughening machine has the advantages of leading the surface of a wall body to generate even rough surface, enlarging the combining area of a new coating layer and the wall body, avoiding damage on a wall body structure and dust permeation on a construction site, improving the construction efficiency, and being convenient for operation, lower in production cost and wide in application range.

Description

Handheld wall smoothing machine

technical field

The utility model belongs to the technical field of appliances for building wall surface decoration, in particular to an electric tool for roughening the wall surface, in particular to a hand-held wall surface roughening machine.

Background technique

It is very common to use paint to decorate the interior walls of building structures. After a few years, the paint on the interior walls of such buildings will age, become dull, and not beautiful. When redecorating, generally the wall is wetted with clean water first, and then the paint on the surface is scraped off with a flat shovel. This will remove the existing paint. However, when reapplying the paint, because the surface of the wall is too smooth, the new coating will not be firmly bonded to the wall, resulting in the appearance of partial cracks and shedding of the coating on the wall surface after a period of time. Also there are following deficiencies simultaneously: the labor intensity of construction personnel is big, and work efficiency is low; Because there is no dust collection and slag collection device, it is not only unfavorable to the health of the operator, but also brings unnecessary trouble to the cleaning work on the spot.

Contents of the invention

The purpose of this utility model is to provide a hand-held wall roughening machine with reasonable structure, low cost, simple operation and high efficiency, which can not only finish roughening the smooth surface of the wall, but also ensure the The degree of roughness is uniform, and at the same time, it is convenient to collect debris, which is conducive to environmental protection.

The purpose of this utility model is achieved in this way, a hand-held wall surface roughening machine, which includes a pair of roughening frame bodies facing each other, and a bearing seat is formed on the inner side of each roughening frame body ; a drum, the middle of the drum has a drum chamber, a driven ring gear is fixed in the drum chamber, a pair of first bearings are installed at both ends of the drum chamber, and the drum is mounted on a pair of first bearings through a pair of first bearings. On the bearing seat of the roughening frame body; a wire brush is wrapped on the outer circumferential surface of the drum; a motor is arranged in the drum cavity, and an output shaft at one end of the motor is installed for The other end of the motor is fixed on the motor frame of the driving gear meshed with the driven ring gear, and the motor frame is arranged in the drum cavity and fixed with a pair of roughening frame bodies; a pair of guide rollers are connected to a The pair of roughening frame bodies are set up and down correspondingly with each other; a handle is fixed on the pair of roughening frame bodies.

In a specific embodiment of the present utility model, the upper and lower parts of the pair of roughening frame bodies are respectively formed with guide roller supports, and adjustment holes are opened on the guide roller supports, and the pair of guide rollers The rollers are respectively fixed to the corresponding adjustment holes through the guide roller shaft in the middle of the axial direction.

In another specific embodiment of the present utility model, the pair of guide rollers are respectively equipped with second bearings at both ends in the length direction.

In yet another specific embodiment of the present utility model, a dustproof cover is connected between the pair of roughening frame bodies, and the dustproof cover is arranged on the outside of the wire brush.

In yet another specific embodiment of the present utility model, a dust collecting box is installed at the lower part of the dustproof cover.

In a further specific embodiment of the present utility model, snap rings are provided on the axial outer sides of the pair of first bearings respectively, and the snap rings are installed on the bearing seat.

In a further specific embodiment of the present utility model, a sealing ring is added between the bearing seats of the pair of roughening frame bodies and the drum cavity of the drum.

Due to the adoption of the above structure, the utility model has beneficial effects: firstly, the wall surface is roughened by using a wire brush, so that a uniform rough surface appears on the surface of the wall body, and the bonding area between the new coating and the wall body is increased, making the bonding more smooth. It is strong; secondly, it will not cause damage to the wall structure; thirdly, the residue is collected in the dust collection box, which will not cause dust to diffuse on the construction site, which is conducive to environmental protection; fourthly, the power generated by the motor passes through the transmission device It is passed to the roller, and then the smooth wall is roughened by the wire brush on the roller, which can greatly improve the construction efficiency; fifth, the structure is simple and reasonable, the operation is convenient, the production cost is low, and the application range is wide, especially suitable for interior walls refurbishment.

Description of drawings

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

FIG. 2 is a cross-sectional view of FIG. 1 .

In the figure: 1. Motor, 11. Motor frame, 12. Output shaft; 2. Drum, 21. Drum cavity, 211. Driven ring gear, 212. First bearing, 213. Snap ring, 214. Seal ring; 3 .Racking frame body, 31. Guide roller support foot, 311. Adjustment hole, 312. Nut, 32. Second screw, 33. Third screw, 34. Bearing seat; 4. Guide roller, 41. Guide roller shaft , 42. The second bearing; 5. Dust cover; 6. Wire brush, 61. The first screw; 7. Drive gear; 8. Dust box; 9. Handle.

Detailed ways

Through the applicant's description of the embodiments, it will be more helpful to understand the utility model, and make the positive effects of the utility model more manifested, but the embodiments should not be regarded as limiting the technical solution of the utility model.

Please refer to Fig. 1 and in conjunction with Fig. 2, a hand-held wall roughening machine, including a pair of roughening frame bodies 3, a cylinder 2, a driven ring gear 211, a wire brush 6, a motor 1, a driving gear 7, a To guide roller 4, dustproof cover 5, dust collection box 8 and handle 9, wherein: the shape and size of a pair of roughening frame body 3 are identical, and each other face-to-face arrangement, in each roughening frame body 3 thickness direction Bearing blocks 34 are respectively formed on the inner side of each roughening frame body 3, and a guide roller support 31 is extended in a narrow form at the upper and lower parts of each roughening frame body 3, and an adjustment hole 311 is provided on the guide roller support 31; There is a drum chamber 21 in the middle of the drum 2, and a driven ring gear 211 is fixed in the drum chamber 21, and a pair of first bearings 212 are installed at both ends of the drum chamber 21, and the drum 2 passes through a pair of first bearings 212 Installed on the bearing seat 34 of a pair of roughening frame bodies 3, the axially outer sides of a pair of first bearings 212 are respectively provided with snap rings 213 for preventing the bearings from moving left and right, and the snap rings 213 are fixed on On the bearing seat 34, a sealing ring 214 is provided on the outside of a pair of snap rings 213, and the sealing ring 214 is located between the bearing seat 34 and the drum cavity 21 of the drum 2, and is used to seal the drum cavity of the drum; The wire brush 6 is wrapped on the outer circumferential surface of the drum 2, and the two are fixed by the first screw 61; the motor 1 is arranged in the drum cavity 21 of the drum 2, and the output of one end of the motor 1 A driving gear 7 for meshing with the driven ring gear 211 is installed on the shaft 12, and the other end of the motor 1 is fixed on a motor frame 11, and the motor frame 11 is similarly arranged in the drum cavity 21, and the motor frame 11 The two ends in the length direction are respectively fixed to a pair of roughening frame bodies 3 by second screws 32; the pair of guide rollers 4 are connected to a pair of roughening frame bodies 3, and keep each other up and down Correspondingly set, guide roller shaft 41 is arranged in the axial middle of each guide roller 4, and the two ends of guide roller shaft 41 are respectively inserted in the adjusting hole 311 of roughening frame body 3, and fix with nut 312, simultaneously, in Second bearings 42 are respectively installed in the two ends of the length direction of the guide roller 4; the handle 9 is fixed on a pair of roughening frame bodies 3; the dust cover 5 is fixed by the third screw 33 Between a pair of roughening frame bodies 3 and on the outside of the wire brush 6; the dust box 8 is installed at the bottom of the dust cover 5, and the dust box 8 preferably adopts a collection bag.

Please continue to refer to Fig. 1 and in conjunction with Fig. 2, when the surface of the body of wall is to be roughened, then the working power of the motor 1 is connected by the builder, and the output shaft 12 of the motor 1 drives the driving gear 7, because the driving gear 7 and The driven ring gear 211 is meshed, so the driven ring gear 211 drives the drum 2 to rotate, and the drum 2 rotates together with the wire brush 6, and the wire brush 6 is used to roughen the smooth wall surface, and at the same time, the wire brush 5 is beaten down. Residue is scattered in the dust box 8. During the whole working process, the builder only needs to hold the handle 9 with both hands so that the wire brush 6 sticks to the wall and rolls on the wall under the guidance of the guide roller 4. It is easy to operate and can complete the smooth wall. Hair, effectively improve the bonding force between the new coating and the wall.

Claims (7)

1. A hand-held wall roughening machine, characterized in that it includes a pair of roughening frame bodies (3) arranged facing each other, and a bearing seat is respectively formed on the inner side of each roughening frame body (3) (34); a cylinder (2), the center of the cylinder (2) has a cylinder chamber (21), a driven ring gear (211) is fixed in the cylinder chamber (21), and the two sides of the cylinder chamber (21) A pair of first bearings (212) are installed at the end, and the described cylinder (2) is installed on the bearing seats (34) of a pair of roughening frame bodies (3) by a pair of first bearings (212); a wire brush (6), wrapped on the outer circumferential surface of the drum (2); a motor (1), located in the drum cavity (21), on the output shaft (12) at one end of the motor (1) A driving gear (7) for meshing with the driven ring gear (211) is installed, and the other end of the motor (1) is fixed on the motor frame (11), and the motor frame (11) is arranged on the drum cavity ( 21) inside and fixed with a pair of roughening frame bodies (3); a pair of guide rollers (4) are connected on a pair of roughening frame bodies (3), and are kept up and down correspondingly; a handle (9 ), fixed on a pair of roughening frame bodies (3). 2. The hand-held wall roughening machine according to claim 1, characterized in that the upper and lower parts of the pair of roughening frame bodies (3) are respectively formed with guide roller braces (31), and the guide rollers Adjustment holes (311) are opened on the support legs (31), and the pair of guide rollers (4) are respectively fixed to the corresponding adjustment holes (311) through the guide roller shaft (41) in the middle of the axial direction. 3. The hand-held wall roughening machine according to claim 1, characterized in that the pair of guide rollers (4) are respectively equipped with second bearings (42) at both ends in the length direction. 4. The hand-held wall roughening machine according to claim 1, characterized in that a dustproof cover (5) is also connected between the pair of roughening frame bodies (3), and the dustproof cover ( 5) It is arranged on the outside of the wire brush (6). 5. The hand-held wall roughing machine according to claim 4, characterized in that a dust box (8) is installed on the lower part of the dust cover (5). 6. The hand-held wall roughening machine according to claim 1, characterized in that snap rings (213) are respectively arranged on the axially outer sides of the pair of first bearings (212), and the snap rings ( 213) is installed on the bearing block (34). 7. The hand-held wall roughening machine according to claim 1, characterized in that the bearing seat (34) of the pair of roughening frame bodies (3) and the drum cavity (21) of the drum (2) A sealing ring (214) is added between them.

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