CN111438579A

CN111438579A - Universal structure of polisher

Info

Publication number: CN111438579A
Application number: CN202010457193.9A
Authority: CN
Inventors: 何灵锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-07-24

Abstract

The invention belongs to the technical field of grinders, and particularly relates to a universal structure of a grinder, which comprises a driving shaft, a protective disc and a sand disc arranged in the protective disc, wherein the driving shaft drives the sand disc to rotate; the invention aims to provide a universal structure of a grinding machine, which can be used for independently adjusting a protective disc and has a good grinding effect.

Description

Universal structure of polisher

Technical Field

The invention belongs to the technical field of grinding machines, and particularly relates to a universal structure of a grinding machine.

Background

Present wall polisher is all at the overhead abrasive disc that is provided with of polisher, drive arrangement drives the abrasive disc through the drive shaft and rotates, and establish a protection plate at the abrasive disc overcoat, in operation, the protection plate moves together with the abrasive disc, and most wall all has the condition of some unevennesses before polishing, the protection plate and the abrasive disc snap-on of current polisher, the wall of unevenness can not be adapted to at the in-process of polishing, when the wall through the unevenness, the wall breaks away from together with the abrasive disc easily directly, the effect of polishing is poor like this.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the universal structure of the grinding machine, which has the advantages that the protective disc can be independently adjusted and the grinding effect is good.

The purpose of the invention is realized as follows:

the utility model provides an universal structure of polisher, includes the drive shaft, protection dish and sets up the abrasive disc in the protection dish, and drive shaft drive abrasive disc rotates, still includes the mount pad, the protection dish activity sets up on the mount pad, is provided with elastomeric element on the mount pad, elastomeric element's one end and mount pad butt, elastomeric element's the other end and protection dish butt, but the relative elastomeric element swing of protection dish.

After adopting above-mentioned structure, when meetting the wall unevenness, slight angular adjustment can be done to the protection dish, and the protection dish can independently rotate relative the mount pad simultaneously, makes things convenient for the polisher when beating the reentrant corner, and when the outer wall of interior casing supported and leaned on the wall body and remove, the protection dish can rotate, makes things convenient for the removal of polisher, and the convenience is loose lightly of getting up in the use.

The invention is further configured to: the mounting seat is provided with a clamp spring which limits the axial separation of the protection plate and the mounting seat, and the protection plate can rotate relative to the mounting seat.

After adopting above-mentioned structure, through the setting of jump ring, can reduce the structure between protection dish and the mount pad, also made things convenient for the equipment, reduced the equipment step, and made things convenient for the better protection dish of user.

The invention is further configured to: the dust collector is characterized in that a fan is arranged in the protection disc and connected with the driving shaft, the fan is arranged between the sand disc and the protection disc, a pipeline is arranged on the protection disc, and dust in the protection disc is sucked into the pipeline by the fan.

After adopting above-mentioned structure, the drive shaft that makes through setting up the fan on the drive shaft directly also converts power into the power of fan when the drive is slightly waited for, and simple structure is compact like this, make full use of the rotational power of drive shaft, practiced thrift the drive power of fan, and set up the fan and also make product space utilization improve in the protection dish.

The invention is further configured to: the protection dish includes interior casing and can dismantle the shell body that sets up with interior casing, is provided with the sand table in the interior casing, the circumferencial direction at interior casing is established to the shell body cover.

After adopting above-mentioned structure, set up the person of facilitating the use through in the detachable and directly demolish the back with the shell body when needs carry out reentrant corner to the wall body and handle, make things convenient for interior casing and abrasive disc to polish the reentrant corner better.

The invention is further configured to: the clamping device is characterized in that a plurality of mounting openings are formed in the circumferential direction of the inner shell, clamping blocks matched with the mounting openings are arranged on the outer shell, and the clamping blocks are fixedly connected with the mounting openings in an interference fit mode in a fixed state.

After adopting above-mentioned structure, make things convenient for the installation of shell body and interior casing, need not just can install fixedly with the help of other spare parts, convenience simple to use.

The invention is further configured to: the fixture block be "T" font setting, the both sides of fixture block are provided with the extension piece, extend between the outer wall of piece and the inner wall of buckle form with the fixed mouthful of the wall thickness adaptation of interior casing, under the fixed state, the fixture block is with the excessive cooperation of installing the mouthful, fixed mouthful and interior casing interference fit.

After adopting above-mentioned structure, "T" font fixture block and fixed knot are difficult for taking place not hard up behind the interference fit with interior casing, and installation is accomplished the back stability good.

The invention is further configured to: the middle part of abrasive disc is provided with the groove that a plurality of runs through the setting, the equidistant setting of groove circumference.

After adopting above-mentioned structure, realize just enabling the dust to fall to the protection dish behind the sand table on the sand table through setting up of groove in, increase the efficiency of dust discharge sand table upper surface, the fan of also being convenient for is taken out the dust and is separated.

The invention is further configured to: the fan comprises a connecting portion connected with the driving shaft, a plurality of fan blades are circumferentially arranged on the connecting portion, a first shielding plate and a second shielding plate are respectively arranged on the upper end face and the lower end face of each fan blade, and an air inlet is formed between the inner side of the first shielding plate and the outer side of the second shielding plate.

After adopting above-mentioned structure, setting up through the air intake makes the flabellum more can concentrate the dust absorption when rotating the dust absorption, and the effect is better.

The invention is further configured to: an air outlet is formed between the first shielding plate and the connecting portion, the mounting seat is hollow, and the hollow position of the mounting seat is located above the air outlet.

After adopting above-mentioned structure, make things convenient for the fan to concentrate the collection to the dust.

The invention is further configured to: the mounting seat is internally provided with a bearing which is connected with a driving shaft.

After adopting above-mentioned structure, make things convenient for the drive shaft more stable when driving the sand table, and increase the bearing and connect the direct contact who reduces drive shaft and mount pad, also can further increase the life of drive shaft.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an exploded view of the structure of the present invention;

FIG. 4 is a schematic view of a fan according to the present invention;

FIG. 5 is a schematic view of the mount configuration of the present invention;

FIG. 6 is a schematic structural diagram of the outer casing of the present invention;

FIG. 7 is a schematic view of the inner housing structure of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 2;

fig. 9 is an enlarged view of a portion B in fig. 6.

The reference numbers in the figures mean:

1-a drive shaft; 2-a protective disc; 21-an inner housing; 22-a mounting port; 23-an outer shell; 231-a fixture block;

232-an extension block; 233-fixed port; 3-a sand pan; 31-groove; 4-mounting a base; 5-an elastic member;

6-clamp spring; 7-a fan; 71-a connecting part; 72-fan blades; 73-a first shielding plate; 74-shielding plate two;

75-air inlet; 76-air outlet; 8-a pipeline; 9-a brush; 10-a bearing; 101-adjusting rod;

102-a conditioning sheet; 103-connecting rod; .

Detailed Description

The invention is further described in the following with specific embodiments in conjunction with the accompanying drawings:

referring to fig. 1 to 9, a universal structure of a grinding machine comprises a driving shaft 1, a protective disc 2 and a sand disc 3 arranged in the protective disc 2, in this embodiment, the sand disc 3 is concave inwards to form a negative pressure cavity, the sand disc forms a certain negative pressure when being squeezed with a wall surface, so that a negative pressure ceiling can be formed, the negative pressure can reduce the effort of lifting the grinding machine when the sand disc grinds the wall surface, the driving shaft 1 drives the sand disc 3 to rotate, the universal structure further comprises a mounting seat 4, the protective disc 2 is movably arranged on the mounting seat 4, an elastic part 5 is arranged on the mounting seat 4, in this embodiment, the elastic part 5 is preferably a spring, one end of the elastic part 5 is abutted against the mounting seat 4, the other end of the elastic part 5 is abutted against the protective disc 2, the protective disc 2 can swing relative to the elastic part 5, when the wall surface is uneven, the protective disc 2 can be slightly adjusted in angle, meanwhile, the protection disc 2 can independently rotate relative to the mounting seat 4, so that when the internal corner is formed by the sander, the outer wall of the inner shell 21 abuts against the wall to move, the protection disc 2 can rotate, the sander can be moved conveniently, and the sander is convenient and easy to use.

Simultaneously, be provided with jump ring 6 on the mount pad 4, jump ring 6 restriction protection dish 2 breaks away from with the mount pad 4 axial, and protection dish 2 can be rotatory relatively mount pad 4, through the setting of jump ring 6, can reduce the structure between protection dish 2 and the mount pad 4, has also made things convenient for the equipment, has reduced the equipment step, and has made things convenient for better protection dish 2 of user.

Further setting the following steps: the novel sand disc is characterized in that a fan 7 is arranged in the protective disc 2, the fan 7 is connected with the driving shaft 1, the fan 7 is arranged between the sand disc 3 and the protective disc 2, a pipeline 8 is arranged on the protective disc 2, the fan 7 sucks dust in the protective disc 2 into the pipeline 8, the driving shaft 1 which is arranged on the driving shaft 1 and enables the fan 7 to drive is directly converted into power of the fan 7 when the driving shaft 1 is slightly waiting for driving, the structure is simple and compact, the rotating power of the driving shaft 1 is fully utilized, the driving power of the fan 7 is saved, and the fan 7 is arranged in the protective disc 2, so that the space utilization rate of a product is improved.

In this embodiment, the protection dish 2 includes interior casing 21 and can dismantle the shell body 23 that sets up with interior casing 21, is provided with sand table 3 in the interior casing 21, shell body 23 cover is established at the circumferencial direction of interior casing 21, sets up convenience of customers through detachable in, the shell body 23 and directly demolishs the back with shell body 23 when needs carry out reentrant corner to the wall body and handle, makes things convenient for interior casing 21 and sand table 3 to polish the reentrant corner better.

And, be provided with a plurality of installing ports 22 on the circumferencial direction of interior casing 21, be provided with the fixture block 231 with installing port 22 adaptation on the shell body 23, under the fixed state, fixture block 231 and installing port 22 interference fit fixed connection make things convenient for the installation of shell body 23 and interior casing 21, need not just can install fixedly with the help of other spare parts, convenience simple to use.

Preferably: fixture block 231 be "T" font setting, the both sides of fixture block 231 are provided with extension piece 232, extend and form the fixed mouth 233 with the wall thickness adaptation of interior casing 21 between the outer wall of piece 232 and the inner wall of buckle, under the fixed state, fixture block 231 and installing port 22 interference fit, fixed mouth 233 and interior casing 21 interference fit, the fixture block 231 and the fixed knot of "T" font are difficult for taking place to become flexible with the interference fit back of interior casing 21, the installation is accomplished the back stability is good.

Further setting the following steps: the middle part of the sand disc 3 is provided with a plurality of grooves 31 which are arranged in a penetrating way, the circumferences of the grooves 31 are arranged at equal intervals, and the arrangement of the grooves 31 can ensure that dust falls into the protective disc 2 behind the sand disc 3 on the sand disc 3, thereby increasing the efficiency of discharging the dust out of the upper surface of the sand disc 3 and facilitating the dust to be pumped out by the fan 7; the dust can also be sucked away by the fan through the gap between the inner wall of the protective disc and the sand disc.

Simultaneously, be provided with brush 9 in outer casing 233 circumference, brush 9 sets up the lower bottom surface at outer casing 23, and the vertical orientation of brush 9 sets up the lower surface at outer casing 23, and brush 9 contacts with the wall when the polisher is polished, and the dust of avoiding polishing the processing flies upward, and brush 9 is soft material, has certain compression space, and the person of facilitating the use extrudes sand table 3 and wall and polishes, and brush 9 can clean the wall after being polished by sand table 3 at the wall.

Further setting the following steps: the fan 7 comprises a connecting portion 71 connected with the driving shaft 1, a plurality of fan blades 72 are circumferentially arranged on the connecting portion 71, a first shielding plate 73 and a second shielding plate 74 are respectively arranged on the upper end face and the lower end face of each fan blade 72, an air inlet 75 is formed between the inner side of the first shielding plate 73 and the outer side of the second shielding plate, the fan blades 72 can collect dust more when rotating for dust collection through the arrangement of the air inlet 75, and the effect is better.

Further setting the following steps: an air outlet 76 is formed between the first shielding plate 73 and the connecting portion 71, the mounting seat 4 is hollow, and the hollow position of the mounting seat 4 is located above the air outlet 76, so that dust can be conveniently collected by the fan 7 in a centralized manner.

In the embodiment, in order to make the driving shaft 1 more stable when driving the sand table 3, and to increase the connection of the bearing 10 to reduce the direct contact between the driving shaft 1 and the mounting seat 4, the service life of the driving shaft 1 can be further increased, the bearing 10 is arranged in the mounting seat 4, and the bearing 10 is connected with the driving shaft 1.

Meanwhile, the installation seat 4 is provided with an adjusting rod 101 in a hinged mode, the adjusting rod 101 is connected with a pipeline through a connecting rod 102, an adjusting sheet 102 is connected between the adjusting rod 101 and the connecting rod 103, the adjusting rod 101 and the adjusting sheet 102 can rotate to adjust the angle, the adjusting rod can be fixed with a movable groove in the adjusting sheet 102 through an operating button after adjustment is completed, the adjusting rod 101 adjusts the angle along the movable groove in the adjusting sheet 102, and therefore a user can adjust the angle when the user needs to polish when different angles are needed, and the installation seat is convenient to use.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a universal structure of polisher, includes drive shaft (1), protection dish (2) and sets up abrasive disc (3) in protection dish (2), and drive shaft (1) drive abrasive disc (3) rotate, its characterized in that: still include mount pad (4), protection dish (2) activity sets up on mount pad (4), is provided with elastomeric element (5) on mount pad (4), and the one end and mount pad (4) butt of elastomeric element (5), the other end and the protection dish (2) butt of elastomeric element (5), and protection dish (2) can be relative elastomeric element (5) swing.

2. The universal structure of a grinding machine according to claim 1, characterized in that: be provided with jump ring (6) on mount pad (4), jump ring (6) restriction protection dish (2) and mount pad (4) axial break away from, and protection dish (2) mount pad (4) relatively is rotatory.

3. The universal structure of a grinding machine according to claim 1 or 2, characterized in that: the dust-proof sand tray is characterized in that a fan (7) is arranged in the protective tray (2), the fan (7) is connected with the driving shaft (1), the fan (7) is arranged between the sand tray (3) and the protective tray (2), a pipeline (78) is arranged on the protective tray (2), and dust in the protective tray (2) is sucked into the pipeline (78) by the fan (7).

4. The universal structure of a grinding machine according to claim 3, characterized in that: the protection disc (2) comprises an inner shell (21) and an outer shell (23) which is detachably arranged with the inner shell (21), a sand disc (3) is arranged in the inner shell (21), and the outer shell (23) is sleeved in the circumferential direction of the inner shell (21).

5. The universal structure of a grinding machine according to claim 4, characterized in that: a plurality of mounting openings (22) are formed in the circumferential direction of the inner shell (21), a clamping block (231) matched with the mounting openings (22) is arranged on the outer shell (23), and the clamping block (231) is fixedly connected with the mounting openings (22) in an interference fit mode in a fixed state.

6. The universal structure of a grinding machine according to claim 5, characterized in that: fixture block (231) be "T" font setting, the both sides of fixture block (231) are provided with extension piece (232), form between the outer wall of extension piece (232) and the inner wall of buckle with fixed mouthful (233) of the wall thickness adaptation of interior casing (21), under the fixed state, fixture block (231) and installing port (22) interference fit, fixed mouthful (233) and interior casing (21) interference fit.

7. A universal structure of a grinder as set forth in claim 1, 2, 4 or 6, wherein: the middle part of abrasive disc (3) is provided with groove (31) that a plurality of runs through the setting, groove (31) circumference equidistance set up.

8. The universal structure of a grinding machine according to claim 3, characterized in that: the fan (7) comprises a connecting portion (71) connected with the driving shaft (1), a plurality of fan blades (72) are circumferentially arranged on the connecting portion (71), a first shielding plate (73) and a second shielding plate (74) are respectively arranged on the upper end face and the lower end face of each fan blade (72), and an air inlet (75) is formed between the inner side of the first shielding plate (73) and the outer side of the second shielding plate.

9. The universal structure of a sander according to claim 8, wherein: an air outlet (76) is formed between the first shielding plate (73) and the connecting portion (71), the mounting seat (4) is hollow, and the hollow position of the mounting seat (4) is located above the air outlet (76).

10. A universal structure of a grinding machine according to claim 1, 2 or 9, wherein: the mounting seat (4) is internally provided with a bearing (10), and the bearing (10) is connected with the driving shaft (1).