CN111376126A

CN111376126A - Corner polisher

Info

Publication number: CN111376126A
Application number: CN202010377744.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Qiao Huanhuan
Current assignee: Qiao Huanhuan
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-07-07
Anticipated expiration: 2040-05-07
Also published as: CN111376126B

Abstract

The invention discloses a corner polisher for building construction, which has a square polishing profile, can polish corners, improves polishing efficiency, reduces the area of dead corners which cannot be polished, and is convenient for polishing the corners, and is characterized in that one end of a plurality of fixing brackets is fixedly arranged on the outer side surface of a fixing sleeve, the number of the fixing brackets is at least two, the fixing brackets are arranged in an annular shape at equal intervals, a square frame is positioned among the fixing brackets, the other end of the fixing bracket is connected with the outer side surface of the square frame, a limiting supporting leg is fixedly arranged on the fixing bracket, a shaft joint penetrates through the fixing sleeve, a supporting bearing is arranged between the shaft joint and the fixing sleeve, a driving rotating ring is fixedly arranged at one end of the shaft joint, a driving groove is formed in one side of the driving rotating ring, and a driving clamping column is fixedly arranged in the middle of the bottom of the driving groove, the driven rotating ring is arranged on one side of the driving rotating ring.

Description

Corner polisher

Technical Field

The invention discloses a wall corner grinding machine, relates to a wall corner grinding device used in building construction, and belongs to the field of building equipment. In particular to a building construction corner grinding device which has a square grinding profile, can grind corners, improves grinding efficiency, reduces the area of dead corners which cannot be ground, and is convenient for grinding the corners.

Background

The wall is polished, refer to scrape the wall in the putty wholesale, in order to enable the wall flatness higher, the surface is more careful, even, and polish to putty going on, the quality of wall polishing directly influences the effect of later stage emulsion paint, and the most rotatory polishing disk structures that adopt of current wall grinding device, the profile of polishing disk is circular when polishing, lead to when meetting wall right angle or turn angle, only play the effect of polishing in one point of its corner of polishing disk when polishing, it need personnel will polish the mill and make a round trip to reciprocate in the corner limit and just can polish the corner limit in place, and receive the radius of polishing influence of polishing disk, than around leaving the dead angle that can not polish when trilateral corner.

Notice No. CN105904300A discloses a wall polisher, this wall polisher include casing, running gear, fan module and grinding machanism. Be equipped with relative first holding chamber and second holding chamber in the casing, separate with the baffle between first holding chamber and the second holding chamber, running gear installs at first holding intracavity, and the fan module is installed at the second holding intracavity, and running gear and baffle are passed in proper order to grinding mechanism, and this pivot is polished head and is circular structure, and is extremely inconvenient when polishing in corner department, has the dead angle that can not polish easily.

Disclosure of Invention

In order to improve the situation, the invention provides a corner grinding machine which has a square grinding profile, can grind corners, improves grinding efficiency, reduces the area of dead corners which cannot be ground, and is convenient for grinding right-angled edges.

The invention relates to a wall corner grinding machine which is realized as follows: the invention relates to a corner polisher which comprises limiting support legs, fixing supports, fixing sleeves, coupling joints, polishing discs, polishing blocks, limiting plates, supporting bearings, driving rotating rings, driven rotating rings, square frames, driving clamping columns, driving clamping grooves, driving grooves and Luolu rotating blocks, wherein one ends of the fixing supports are fixedly arranged on the outer side surfaces of the fixing sleeves, at least two fixing supports are arranged, the fixing supports are annularly arranged at equal intervals, the square frames are positioned among the fixing supports, the other ends of the fixing supports are connected with the outer side surfaces of the square frames, the limiting support legs are fixedly arranged on the fixing supports, the coupling joints penetrate through the fixing sleeves, the supporting bearings are arranged between the coupling joints and the fixing sleeves, the driving rotating rings are fixedly arranged at one ends of the coupling joints, the driving grooves are formed in one sides of the driving rotating rings, the driving clamping columns are fixedly arranged in the middles of the bottoms of the driving grooves, the driven rotating ring is arranged on one side of the driving rotating ring, a driving lug is arranged on one side of the driven rotating ring, the driven rotating ring is clamped and fixed on one side of the driving rotating ring through the driving lug, a driving clamping groove is formed in the driving lug, one end of a driving clamping column is arranged in the driving clamping groove, a transmission lug is arranged on the other side of the driven rotating ring, a transmission clamping groove is formed in the transmission lug, the transmission rotating ring is arranged on the other side of the driven rotating ring, a transmission groove is formed in one side of the transmission rotating ring, the other side of the driven rotating ring is clamped and fixed on one side of the transmission rotating ring through the transmission lug, a transmission clamping column is fixed in the middle of the bottom of the transmission groove, one end of the transmission clamping column is arranged in the driven clamping groove, one side of one group of limiting plates is connected with the other side of the transmission rotating ring, one group, the polishing disc is characterized in that the shape of the Leluo rotating block is a Leluo triangle, the two limiting plates are respectively positioned on two sides of the square frame, the square frame is attached to the two limiting plates, the middle of one side of the polishing disc is connected with the other side of the group of limiting plates, a plurality of polishing blocks are fixedly arranged on the other side of the polishing disc, the polishing blocks are arranged in an annular matrix form, the polishing disc is in a Leluo triangle, one end of each limiting supporting leg is flush with a horizontal line where the highest point of the polishing disc is located, a supporting leg plate is arranged at one end of each limiting supporting leg, an anti-slip pad is arranged on the surface of each supporting leg, a protective cover is sleeved at one end of the fixed sleeve and is made of a transparent material, a handle is arranged on the outer side surface of the fixed sleeve, a dust brush is arranged;

furthermore, the top of the fixed support is provided with a telescopic sleeve, one end of the telescopic sleeve is provided with a limiting snap ring, one end of the limiting support leg is sleeved in the telescopic sleeve, one end of the limiting support leg is provided with a limiting clamping block, the spring sleeve is arranged at one end of the limiting support leg, the spring is arranged in the telescopic sleeve, one end of the spring is connected with the limiting clamping block, and the other end of the spring is connected with the limiting snap ring.

Has the beneficial effects.

The square polishing profile is more convenient to polish the wall corners, the polishing efficiency of the wall surface is improved, and meanwhile the area of dead corners which cannot be polished at the wall corners is reduced.

And secondly, the square polishing profile can conveniently polish straight edges.

And thirdly, square polishing of a small area can be realized on the premise of not moving the handheld device.

Drawings

Fig. 1 is a perspective view of a corner grinding machine according to the present invention.

Fig. 2 is a perspective view of a corner grinding machine according to the present invention, showing the back structure of the device.

Fig. 3 is a three-dimensional exploded view of a corner grinding machine of the present invention.

Fig. 4 is a schematic structural view of a corner grinding machine according to the present invention.

Fig. 5 is a schematic structural diagram of an embodiment 2 of a wall corner grinding machine according to the present invention.

In the attached drawings

Wherein the method comprises the following steps: spacing stabilizer blade (1), fixed bolster (2), fixed cover (3), coupling (4), the piece of polishing (5), the piece of polishing (6), limiting plate (7), support bearing (8), drive swivel (9), transmission swivel (10), driven swivel (11), square frame (12), transmission card post (13), drive draw-in groove (14), transmission recess (15), lai luo swivel (16), telescope tube (17), spring (18).

The specific implementation mode is as follows:

example 1

The invention relates to a wall corner grinding machine which is realized as follows: the invention relates to a corner polisher which comprises limiting support legs (1), fixing supports (2), a fixing sleeve (3), a coupling (4), a polishing disc (5), a polishing block (6), a limiting plate (7), a supporting bearing (8), a driving rotating ring (9), a driving rotating ring (10), a driven rotating ring (11), square frames (12), driving clamping columns (13), a driving clamping groove (14), a driving groove (15) and a Leluo rotating block (16), wherein one end of each fixing support (2) is fixedly arranged on the outer side face of the fixing sleeve (3), at least two fixing supports (2) are arranged, the fixing supports (2) are arranged at equal angles, the square frames (12) are positioned among the fixing supports (2), the other end of each fixing support (2) is connected with the outer side face of the square frame (12), the limiting support legs (1) are fixedly arranged on the fixing supports (2), the connecting shaft joint (4) is sleeved in the fixed sleeve (3), a supporting bearing (8) is arranged between the connecting shaft joint (4) and the fixed sleeve (3), the two ends of the connecting shaft joint (4) extend out of the fixed sleeve (3), a driving swivel (9) is arranged at one end of the connecting shaft joint (4) close to the square frame (12), the connecting shaft joint (4) penetrates through the fixed sleeve (3), the driving swivel (9) is fixedly arranged at one end of the connecting shaft joint (4), a driving groove is formed in the driving swivel (9), a driving clamping column is fixedly arranged in the middle of the bottom of the driving groove, a driven swivel (11) is arranged on one side of the driving swivel (9), a driving lug is arranged on one side of the driven swivel (11), the driving lug is clamped in the driving groove, a driving clamping groove (14) is formed in the driving lug, the driving clamping column is arranged in the driving clamping groove (14), and a transmission lug is arranged on the other side of the driven swivel (11), the transmission lug is provided with a transmission clamping groove, the transmission rotary ring (10) is arranged on the other side of the driven rotary ring (11), one side of the transmission rotary ring (10) is provided with a transmission groove (15), the transmission lug is clamped in the transmission groove (15), a transmission clamping column (13) is fixedly arranged in the middle of the bottom of the transmission groove (15), the transmission clamping column (13) is arranged in the driven clamping groove, a group of limiting plates (7) is arranged on the transmission rotary ring (10), one group of limiting plates (7) is composed of two limiting plates (7), one limiting plate (7) in one group is connected with the other side of the transmission rotary ring (10), a Leluo rotary block (16) is fixedly arranged between the two limiting plates (7) in one group, the Leluo rotary block (16) is in a Leluo triangle shape, and the two limiting plates (7) in one group are respectively positioned on two sides of the square frame (12), the square frame (12) is attached to the two limit plates (7), one side of the polishing disc (5) is connected with the other limit plate (7) in one group, a plurality of grinding blocks (6) are fixedly arranged on the other side of the grinding disc (5), the grinding blocks (6) are arranged in an annular array, the shape of the polishing disc (5) is a Lelo triangle, one end of the limit supporting foot (1) is flush with the horizontal line where the highest point of the polishing disc (5) is positioned, one end of the limit supporting leg (1) is provided with a supporting foot plate, the surface of the supporting foot plate is provided with an anti-skid pad, one end of the fixed sleeve (3) is sleeved with a protective cover which is made of transparent material, a handle is arranged on the outer side surface of the fixed sleeve (3), a dust brush is arranged on the polishing disc (5), the dust brush is arranged between the grinding blocks (6), and one end of each grinding block (6) is provided with a friction pad;

when the device is used, the coupling (4) is connected with a rotating shaft of a driving motor, the coupling (4) is driven to rotate by the rotation of the motor, so that a Leluo rotating block (16) between the two limiting plates (7) rotates in the square frame (12), the rotating outer contour of the limiting plate is square, and then the grinding with square area is carried out by amplifying the contour of the outer grinding disc (5);

when the lai luo turning block (16) revolves in square frame (12), owing to be provided with the drive lug, the drive recess, transmission lug and transmission recess (15), drive swivel (9), driven swivel (11) or transmission swivel (10) can the relative slip, and under the restriction of drive calorie post, drive draw-in groove (14), transmission calorie post (13), under the restriction of transmission draw-in groove, drive swivel (9), the relative slip scope of driven swivel (11) or transmission swivel (10) is limited, can avoid drive swivel (9), driven swivel (11) or transmission swivel (10) slippage, and then can realize square regional polishing under the prerequisite that need not manual regulation, thereby realize polishing to the corner, reduce the area at the dead angle of polishing of corner department.

When the Lelo rotating block (16) rotates in the square frame (12), the driven rotating ring (11) can slide relative to the driving rotating ring (9) due to the arrangement of the driving convex block and the driving concave groove, under the limit of the driving clamping column and the driving clamping groove (14), the sliding range of the driven rotating ring (11) is limited, the driven rotating ring (11) can be prevented from slipping from one side of the driving rotating ring (9), because the transmission lug and the transmission groove (15) are arranged, the transmission rotating ring (10) can slide relative to the driven rotating ring (11), under the limit of the transmission clamping column (13) and the transmission clamping groove, the sliding range of the transmission rotating ring (10) is limited, the transmission rotating ring (10) can be prevented from slipping from one side of the driven rotating ring (11), the square polishing can be further realized on the premise of fixing the position of the coupling (4), so that the wall corner can be polished, and the area of polishing dead corners at the wall corner is reduced;

when a corner is cleaned, the limiting support legs (1) which are flush with the square edge formed by the polishing disc (5) on the fixed support (2) can limit the wall on one side in an abutting mode, and the polishing disc (5) is prevented from colliding with the wall on the other side of the corner in an interference mode;

example 2

The difference between this example and example 1 is: the top of the fixed support (2) is provided with a telescopic sleeve (17), one end of the telescopic sleeve (17) is provided with a limiting snap ring, one end of the limiting support leg (1) is sleeved in the telescopic sleeve (17), one end of the limiting support leg (1) is provided with a limiting clamping block, the spring (18) is sleeved at one end of the limiting support leg (1), the spring (18) is arranged in the telescopic sleeve (17), one end of the spring (18) is connected with the limiting clamping block, and the other end of the spring (18) is connected with the limiting snap ring; when the device is used, the distance between the device and the wall surface can be adjusted through the spring (18), so that the polishing area of the wall corner can be further increased;

the anti-slip mat is arranged on the surface of the supporting foot plate, so that the device can be prevented from sliding when the supporting foot plate abuts against and limits a side wall;

one end of the fixed sleeve (3) is sleeved with a protective cover, so that the dust which is polished can be shielded during polishing, the dust is prevented from falling onto the body or face of an operator to influence the operation,

the protective cover is made of transparent materials, so that the polishing condition can be conveniently checked by an operator;

the grinding disc (5) is provided with a dust brush, so that ground dust can be cleaned primarily during grinding;

the design of the sticky wallboard is arranged on the surface of the supporting foot plate, so that the device can be stuck on a wall surface through the sticky wallboard during polishing, and the physical strength of a worker holding the polishing device is saved during the operation process;

one end of the polishing block (6) is provided with a friction pad, so that the polishing efficiency can be improved in the polishing process;

the handle is arranged on the outer side surface of the fixed sleeve (3), so that an operator can conveniently hold the device by hands during polishing, and the device is more stable during polishing;

the driving rotating ring (9), the driven rotating ring (11) and the transmission rotating ring (10) are matched with the design of the Lelo rotating block (16), so that a square polishing profile can be formed, the wall corner can be polished more conveniently, the wall polishing efficiency is improved, and the area of dead corners which cannot be polished at the wall corner is reduced;

the grinding disc (5) is matched with the design of the Lelo rotating block (16) and can grind a straight edge;

the motor rotates to drive the coupling (4) to rotate, so that the Leluo rotating block (16) between the two limiting plates (7) rotates in the square frame (12), the rotating outer contour of the rotating outer contour is in a square design, the area of the rotating outer contour can be polished to be square through the contour amplification of the outer polishing disc (5), the wall surface polishing efficiency is improved, and meanwhile, the area of dead corners which cannot be polished at corners of walls is reduced;

the limiting support leg (1) which is arranged on the fixed support (2) and is flush with the square edge formed by the polishing disc (5) can be used for abutting and limiting the wall on one side, so that the polishing disc (5) is prevented from interfering and colliding with the wall surface on the other side of the corner;

reach and to have square profile of polishing, can polish to wall angle department, reduce the area at the dead angle that can not polish when promoting the efficiency of polishing, and be convenient for carry out the purpose of polishing to right angle limit department.

The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.

Claims

1. The utility model provides a corner polisher which characterized by: the grinding wheel consists of limiting support legs, fixing supports, fixing sleeves, shaft joints, a grinding disc, a grinding block, limiting plates, supporting bearings, driving rotating rings, driven rotating rings, square frames, driving clamping columns, driving clamping grooves, driving grooves and a Luoluo rotating block, wherein one ends of the fixing supports are fixedly arranged on the outer side surfaces of the fixing sleeves, the number of the fixing supports is at least two, the fixing supports are arranged at equal angles, the square frames are positioned among the fixing supports, the other ends of the fixing supports are connected with the outer side surfaces of the square frames, the limiting support legs are fixedly arranged on the fixing supports, the shaft joints are sleeved in the fixing sleeves, the supporting bearings are arranged between the shaft joints and the fixing sleeves, the fixing sleeves extend out of the two ends of the shaft joints, the driving rotating rings are arranged at the ends of the shaft joints, which are close to the square frames, the shaft joints penetrate through the fixing sleeves, the driving rotating rings are fixedly arranged at one ends of the shaft joints, the driving swivel is provided with a driving groove, a driving clamping column is fixedly arranged in the middle of the bottom of the driving groove, a driven swivel is arranged on one side of the driving swivel, a driving lug is arranged on one side of the driven swivel and clamped in the driving groove, a driving clamping groove is formed in the driving lug, the driving clamping column is arranged in the driving clamping groove, a driving lug is arranged on the other side of the driven swivel and provided with a driving clamping groove, the driving swivel is arranged on the other side of the driven swivel, a driving groove is formed in one side of the driving swivel and clamped in the driving groove, a driving clamping column is fixedly arranged in the middle of the bottom of the driving groove and arranged in the driven clamping groove, a group of limiting plates are arranged on the driving swivel, one group of the limiting plates is composed of two limiting plates, and one of the limiting plates in the group is connected with the other side of the driving swivel, a Leluo rotating block is fixedly arranged between two limiting plates in one group, the Leluo rotating block is in a Leluo triangle shape, the two limiting plates in one group are respectively positioned at two sides of a square frame, the square frame is attached to the two limiting plates, one side of a polishing disc is connected with the other limiting plate in the other group, a plurality of polishing blocks are fixedly arranged at the other side of the polishing disc, the polishing blocks are arranged in an annular array, the polishing disc is in a Leluo triangle shape, one end of a limiting supporting foot is flush with a horizontal line where the highest point of the polishing disc is positioned, and a supporting foot plate is arranged at one end of the limiting supporting foot.

2. The wall corner grinding machine according to claim 1, wherein a telescopic sleeve is arranged on the top of the fixed support, a limit snap ring is arranged at one end of the telescopic sleeve, one end of the limit support leg is sleeved in the telescopic sleeve, a limit clamping block is arranged at one end of the limit support leg, the spring sleeve is arranged at one end of the limit support leg, the spring is arranged in the telescopic sleeve, one end of the spring is connected with the limit clamping block, and the other end of the spring is connected with the limit snap ring.

3. A wall corner grinding machine according to claim 1, wherein the supporting foot plate is provided with a non-slip mat on the surface.

4. The wall corner grinding machine according to claim 1, wherein a protective cover is sleeved on one end of the fixing sleeve, and the protective cover is made of a transparent material.

5. The wall corner grinding machine of claim 4, wherein a handle is disposed on an outer side surface of the fixing sleeve.

6. The wall corner grinding machine of claim 1 wherein a dust brush is disposed on said grinding disc, said dust brush being disposed between the grinding blocks.

7. The wall corner grinding machine of claim 6, wherein a friction pad is disposed at one end of the grinding block.

8. The wall corner grinding machine according to claim 1, wherein the driving rotary ring, the driven rotary ring and the driving rotary ring are designed to match with the Lelo rotary block, so that a square grinding profile can be formed, and the wall corner can be ground more conveniently.

9. The wall corner grinding machine according to claim 1, wherein the motor rotates to drive the coupling to rotate, so that the lelow rotating block between the two limiting plates rotates in the square frame, and the rotating outer contour of the rotating block is in a square design, and grinding with square area can be performed by enlarging the contour of the outer grinding disc.