CN115446708A

CN115446708A - Multi-head hand-held sander structure

Info

Publication number: CN115446708A
Application number: CN202211079958.5A
Authority: CN
Inventors: 杨庆生
Original assignee: Changzhou Kanghua Electromechanical Technology Co ltd
Current assignee: Changzhou Kanghua Electromechanical Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-09
Anticipated expiration: 2042-09-05
Also published as: CN115446708B

Abstract

The invention relates to the technical field of handheld sanding machines, and discloses a multi-head handheld sanding machine structure which comprises a sanding machine body, wherein a handle is arranged on one side of the sanding machine body, an installation cavity is formed in the bottom end of the sanding machine body, and a fixing plate is detachably arranged in the installation cavity; be fixed with three first spheroid on the fixed plate, first spheroid is hollow structure, and three first spheroid is circular evenly distributed, and three first spheroidal inside all is provided with the second spheroid, the second spheroid rotates with first spheroid to be connected, and the spheroidal upper end of second, first spheroid is all exposed to the lower extreme, the spheroidal top of second is fixed with driving motor, driving motor is arranged in the installation cavity, and driving motor's output shaft runs through the second spheroid, and install the mill on driving motor's the output shaft. This device is through being provided with three mill of polishing, and three but the multi-angle of mill of polishing is adjusted when polishing, makes its and the laminating of arc surface to be convenient for polish the arc surface, improved the efficiency of polishing.

Description

Multi-head hand-held sander structure

Technical Field

The invention relates to the technical field of handheld sanding machines, in particular to a multi-head handheld sanding machine structure.

Background

Sanding and grinding are terms agreed, and refer to a method for achieving standards by means of physically removing materials and objects which are uneven, uneven in thickness and not in accordance with technological requirements through abrasive cloth, grinding wheels, abrasive paper, scouring pad, non-woven fabric polishing wheels and the like, so that the materials and the objects are smooth and even, the thicknesses of the materials and the objects are uniform, and the technology is applied to various veneering process production, standard structural member manufacturing, toy handicraft industry, decoration and furniture industry, floor and wallboard building material industry and the like. When the existing handheld sander is used, the sanding machine is usually used for sanding planes, but the sanding effect on arc-shaped surfaces is poor, and the sanding effect is low, so that the problem is solved by providing a multi-head handheld sander structure.

Disclosure of Invention

The invention aims to solve the defects that a handheld sander in the prior art has poor sanding effect on arc-shaped surfaces and has low sanding effect, and provides a multi-head handheld sander structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

the multi-head handheld sander structure comprises a sander body, wherein a handle is arranged on one side of the sander body, an installation cavity is formed in the bottom end of the sander body, and a fixing plate is detachably mounted in the installation cavity;

the fixing plate is fixedly provided with three first spheres which are of a hollow structure and are uniformly distributed in a circular manner, second spheres are arranged inside the three first spheres, the second spheres are rotatably connected with the first spheres, the upper ends and the lower ends of the second spheres are exposed out of the first spheres, the top ends of the second spheres are fixedly provided with driving motors, the driving motors are positioned in the mounting cavities, output shafts of the driving motors penetrate through the second spheres, and polishing discs are arranged on the output shafts of the driving motors;

the lower pot head of grinder body is equipped with the dirt proof boot, dirt proof boot and grinder body sliding connection, and the inboard of dirt proof boot is provided with the inclined plane to one side of dirt proof boot is provided with the connector.

Preferably, a limiting cavity is formed in the inner wall of the first sphere, a limiting block is arranged on the outer wall of the second sphere, and the limiting block is located in the limiting cavity.

Preferably, an output shaft of the driving motor is fixedly provided with a mounting plate, and the polishing disc is detachably fixed on the mounting plate.

Preferably, a mounting frame is fixed in the mounting cavity, the mounting frame is located three in the middle of the driving motor, and a second spring is fixed between the mounting frame and each driving motor.

Preferably, a boss is fixed on the sander body, a plurality of guide rods are vertically fixed at the top end of the dustproof sleeve, the guide rods penetrate through the boss, and the guide rods are in sliding fit with the boss.

Preferably, the quantity of guide bar is two to six, and the guide bar is around the central evenly distributed of grinder body to the cover is equipped with first spring on the guide bar, first spring is located between lug and the dirt proof boot.

Preferably, the outer end of the connecting port is connected with the dust collector through a pipeline.

Preferably, when the first spring is in a natural state, the bottom end of the dustproof sleeve is lower than the bottom end of the polishing disc.

The beneficial effects of the invention are:

1. the device is provided with the three polishing disks, and the three polishing disks can be adjusted in multiple angles during polishing to enable the three polishing disks to be attached to the arc-shaped surface, so that the arc-shaped surface can be conveniently polished, and the polishing efficiency is improved;

2. this device separates the fender through being provided with the dirt proof boot, by the piece that the dirt proof boot produced when polishing, and through being connected of outside dust catcher and connector, can adsorb the piece of inside, reduces the phenomenon that operational environment produced the raise dust.

Drawings

Fig. 1 is a schematic structural diagram of a multi-head hand-held sander structure according to the present invention;

fig. 2 is a partial cross-sectional structural schematic view of a multi-head hand-held sander according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic structural diagram of the distribution of the polishing discs in the multi-head hand-held sander structure according to the present invention.

In the figure: 1. a sander body; 2. a handle; 3. a mounting cavity; 4. a fixing plate; 5. a first sphere; 6. a second sphere; 7. a limiting cavity; 8. a limiting block; 9. mounting a plate; 10. grinding disc; 11. a drive motor; 12. a dust-proof sleeve; 13. an inclined surface; 14. a connecting port; 15. a boss; 16. a guide rod; 17. a first spring; 18. a mounting frame; 19. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the multi-head handheld sander structure comprises a sander body 1, wherein a handle 2 is arranged on one side of the sander body 1, an installation cavity 3 is formed in the bottom end of the sander body 1, and a fixing plate 4 is installed in the installation cavity 3 through screws;

three first spheres 5 are fixed on the fixed plate 4, the first spheres 5 are of a hollow structure, the three first spheres 5 are uniformly distributed in a circular shape, second spheres 6 are arranged inside the three first spheres 5, the second spheres 6 are rotatably connected with the first spheres 5, a limiting cavity 7 is formed in the inner wall of each first sphere 5, a limiting block 8 is arranged on the outer wall of each second sphere 6, the limiting block 8 is positioned in the limiting cavity 7, the upper end and the lower end of each second sphere 6 are exposed out of the corresponding first sphere 5, openings are formed in the upper end and the lower end of each first sphere 5, a driving motor 11 is fixed at the top end of each second sphere 6, the driving motor 11 is positioned in the mounting cavity 3, an output shaft of the driving motor 11 penetrates through the corresponding second sphere 6, a polishing disc 10 is mounted on the output shaft of the driving motor 11, a mounting plate 9 is fixed on the output shaft of the driving motor 11, the polishing disc 10 is detachably fixed on the mounting plate 9, a mounting frame 18 is fixed in the mounting cavity 3, the mounting frame 18 is positioned in the middle of the three driving motors 11, a second spring 19 is fixed between the driving motor 11, and supports the driving motor 11 through a second spring 19;

the lower pot head of grinder body 1 is equipped with dirt proof boot 12, dirt proof boot 12 and grinder body 1 sliding connection, and the inboard of dirt proof boot 12 is provided with inclined plane 13, make and leave the interval between its inner wall and the outer wall of grinder body 1, be convenient for clastic flow, and one side of dirt proof boot 12 is provided with connector 14, connector 14's outer end is passed through the pipeline and is connected with the dust catcher, be fixed with boss 15 on the grinder body 1, the vertical many guide bars 16 that are fixed with in top of dirt proof boot 12, guide bar 16 runs through boss 15, and guide bar 16 and boss 15 sliding fit, the quantity of guide bar 16 is two to six, and guide bar 16 is around the central evenly distributed of grinder body 1, and the cover is equipped with first spring 17 on the guide bar 16, first spring 17 is located between lug and the dirt proof boot 12, when first spring 17 is under the natural state, the bottom of dirt proof boot 12 is less than the bottom of grinding dish 10.

In this embodiment, open three driving motor 11, drive by driving motor 11 and polish dish 10 and rotate, when polishing, press grinder body 1, make dirt proof boot 12 upwards slide, make the dish 10 of polishing and the surface laminating by the object of polishing, rotate in first spheroid 5 through second spheroid 6, but make the dish 10 of polishing multi-angle regulation, make its and arc surface laminating, thereby be convenient for polish the arc surface, the efficiency of polishing is improved, and be connected through outside dust catcher and connector 14, can adsorb the piece of polishing out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The multi-head handheld sander structure comprises a sander body (1), wherein a handle (2) is arranged on one side of the sander body (1), and the sander structure is characterized in that a mounting cavity (3) is formed in the bottom end of the sander body (1), and a fixing plate (4) is detachably mounted in the mounting cavity (3);

the fixing plate (4) is fixedly provided with three first spheres (5), the first spheres (5) are of a hollow structure, the three first spheres (5) are uniformly distributed in a circular shape, second spheres (6) are arranged inside the three first spheres (5), the second spheres (6) are rotatably connected with the first spheres (5), the upper ends and the lower ends of the second spheres (6) are exposed out of the first spheres (5), the top end of the second sphere (6) is fixedly provided with a driving motor (11), the driving motor (11) is positioned in the mounting cavity (3), an output shaft of the driving motor (11) penetrates through the second spheres (6), and a polishing disc (10) is mounted on the output shaft of the driving motor (11);

the lower pot head of grinder body (1) is equipped with dirt proof boot (12), dirt proof boot (12) and grinder body (1) sliding connection, and the inboard of dirt proof boot (12) is provided with inclined plane (13) to one side of dirt proof boot (12) is provided with connector (14).

2. The multi-head handheld sander structure according to claim 1, wherein a limiting cavity (7) is formed in the inner wall of the first sphere (5), a limiting block (8) is arranged on the outer wall of the second sphere (6), and the limiting block (8) is located in the limiting cavity (7).

3. The multi-head hand-held sander structure according to claim 1, characterized in that a mounting plate (9) is fixed to the output shaft of the drive motor (11), and the sanding disc (10) is detachably fixed to the mounting plate (9).

4. The multi-head hand-held sander structure according to claim 1, characterized in that a mounting bracket (18) is fixed in the mounting chamber (3), the mounting bracket (18) is located in the middle of three drive motors (11), and a second spring (19) is fixed between the mounting bracket (18) and each drive motor (11).

5. The multi-head handheld sander structure according to claim 1, wherein a boss (15) is fixed on the sander body (1), a plurality of guide rods (16) are vertically fixed at the top end of the dustproof sleeve (12), the guide rods (16) penetrate through the boss (15), and the guide rods (16) are in sliding fit with the boss (15).

6. The multi-head hand-held sander structure according to claim 5, characterized in that the number of the guide rods (16) is two to six, the guide rods (16) are evenly distributed around the center of the sander body (1), and a first spring (17) is sleeved on the guide rods (16), and the first spring (17) is located between the bump and the dust cover (12).

7. The multi-head hand-held sander structure of claim 1, wherein the outer end of the connection port (14) is connected to a vacuum cleaner by a conduit.

8. The multi-headed hand-held sander structure according to claim 6, wherein the bottom end of the dust boot (12) is lower than the bottom end of the sanding disc (10) when the first spring (17) is in a natural state.