CN216633785U - Bending assembly and spherical surface polishing device - Google Patents

Abstract

The utility model provides a bending assembly, which comprises a base and a supporting column, wherein the supporting column is vertically connected above the base, and the projection area of the base projected on the cross section of the supporting column is smaller than the area of the cross section of the supporting column; one side of the annular abrasive paper is in contact with the base and the supporting column at the same time, one side of the annular abrasive paper in contact with the base is deformed and bent under the combined action of the base and the supporting column, and in actual use, the annular abrasive paper which is in mutual collision with the base and the supporting column is bent at the collision position, so that a curved surface is formed; the workpiece to be polished is held in a hand and is placed at the bending position of the annular abrasive paper, so that the workpiece can be polished in a spherical surface mode, a special spherical surface polishing head does not need to be manufactured, a large amount of time can be saved, and the cost for manufacturing or purchasing the spherical surface polishing head can be saved.

Description

Bending assembly and spherical surface polishing device

Technical Field

The utility model relates to the technical field of wood product processing, in particular to a bending assembly and a spherical surface polishing device.

Background

At present, many wooden products are often provided with various corner burrs generated by cutting at the beginning of forming, and the corner burrs cause inconvenience for workers and users if not processed, for example, the corner burrs of the wooden products easily scratch the skin and scratch carry-on articles such as packages.

For the situation, many manufacturers adopt grinding wheels for grinding or drive rollers coated with abrasive paper through motors to grind the wooden products, but the curved surface requirements of the wooden products are difficult to grasp by utilizing the traditional grinding wheels for grinding the wooden products, and finally the bending degree of the wooden products is difficult to reach the standard; the contact surface of the roller and the abrasive paper is generally required to be an inclined surface or a curved surface when the abrasive paper is coated on the roller, and the mode has obvious defects that firstly, the requirement on the surface design of the roller is high, and secondly, the installation process of the abrasive paper is relatively troublesome, and a large amount of time is usually consumed.

Therefore, the technical problems in the prior art need to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an embodiment of the present invention provides a bending assembly, including a base and a supporting column, where the supporting column is vertically connected above the base, and a projection area of the base projected on a cross section of the supporting column is smaller than an area of the cross section of the supporting column; one side of annular abrasive paper with base, support column contact simultaneously, one side of annular abrasive paper contact base takes place to warp under the combined action of base and support column. In practical use, the annular abrasive paper which is mutually butted with the base and the supporting column is bent at the butted position, so that a curved surface is formed; the workpiece to be polished is held in a hand and is placed at the bending position of the annular abrasive paper, so that the workpiece can be polished in a spherical surface mode, a special spherical surface polishing head does not need to be manufactured, a large amount of time can be saved, and the cost for manufacturing or purchasing the spherical surface polishing head can be saved.

Furthermore, the outer wall of support column is being close to base one end is equipped with the platform of polishing, and the platform of polishing is located the base top, and the platform of polishing contacts with annular abrasive paper. In practical use, a workpiece to be polished and the annular abrasive paper form relative movement to generate friction force so as to be polished, the annular abrasive paper and the side wall of the supporting column generate friction to easily damage the supporting column, the polishing table can prevent the easily damaged position of the supporting column from being worn,

further, the polishing table is rotatably sleeved on the outer wall of the supporting column. In the in-service use, the support column only need play support annular abrasive paper the effect can, in order to prolong the life of the platform of polishing, will polish the platform cover and establish the outer wall at the support column, when annular abrasive paper gave the tangential effort of the platform of polishing, the platform of polishing takes place the rotation with the axial lead of support column as the center, and then replaces sliding friction with rolling friction, reduces the wearing and tearing of the platform of polishing, prolongs the life of the platform of polishing.

Further, a concave polishing groove is formed in the polishing table, and the concave surface direction of the concave polishing groove is matched with the deformation bending direction of the annular abrasive paper.

A spherical surface polishing device comprises the bending assembly, a driving motor, annular abrasive paper, a supporting frame, a driving wheel, a driven wheel and a supporting block for supporting the driven wheel, wherein the bending assembly is recorded in the specification;

the annular sand paper is coated outside the driving wheel and the driven wheel, and the annular sand paper is arranged. The driving motor, the driving wheel and the driven wheel synchronously rotate;

the support frame is located the below of the annular abrasive paper of top layer, and support column and pedestal mounting are at the top of support frame.

Annular abrasive paper passes through driving motor, action wheel and follows the driving wheel and transmits in the in-service use, and the staff only need hand the curved surface position of waiting to polish the work piece and standing in annular abrasive paper, can take place relative motion and then produce frictional force to effectively reduce working strength.

The utility model has the beneficial effects that:

the embodiment of the utility model provides a bending assembly, which comprises a base and a supporting column, wherein the supporting column is vertically connected above the base, and the projection area of the base projected on the cross section of the supporting column is smaller than the area of the cross section of the supporting column; one side of the annular abrasive paper is in contact with the base and the supporting columns simultaneously, one side of the annular abrasive paper in contact with the base is deformed and bent under the combined action of the base and the supporting columns, and in actual use, the annular abrasive paper which is abutted against the base and the supporting columns is bent at the abutting positions, so that a curved surface is formed; the workpiece to be polished is held in a hand and is placed at the bending position of the annular abrasive paper, so that the workpiece can be polished in a spherical surface mode, a special spherical surface polishing head does not need to be manufactured, a large amount of time can be saved, and the cost for manufacturing or purchasing the spherical surface polishing head can be saved.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is an assembly structure diagram of a bending assembly according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a bending assembly in an embodiment of the utility model.

Fig. 3 is a schematic structural view of a polishing table in an embodiment of the present invention.

Fig. 4 is a schematic view of the structure to be assembled of the bending assembly and the fastening screw.

Fig. 5 is a schematic front view of the structure of fig. 4.

Fig. 6 is a sectional view taken along a-a in fig. 5.

Fig. 7 is a schematic structural diagram of a spherical polishing device according to an embodiment of the present invention.

Fig. 8 is a schematic view of another angle structure of a spherical polishing device.

Fig. 9 is a partially enlarged view of a position B in fig. 8.

Reference numerals:

10. a base; 20. a support pillar; 21. a polishing table; 211. grinding the groove; 30. annular sand paper; 40. a drive motor; 50. a driving wheel; 60. a driven wheel; 70. a support frame; 71. a jack; 80. a support block; 90. and (5) fastening the screw rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

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 device 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Referring to fig. 1 to 9, fig. 1 is an assembly structure diagram of a bending assembly in an embodiment of the present invention, and fig. 7 is a structure diagram of a spherical surface polishing apparatus in an embodiment of the present invention, where the spherical surface polishing apparatus includes the bending assembly, a driving motor 40, annular sandpaper 30, a supporting frame 70, a driving wheel 50, a driven wheel 60, and a supporting block 80 for supporting the driven wheel 60; specifically, the annular sand paper 30 is wrapped outside the driving wheel 50 and the driven wheel 60, and the annular sand paper 30 synchronously rotates under the action of the driving motor 40, the driving wheel 50 and the driven wheel 60; the supporting frame 70 is located below the top layer of annular sandpaper 30, and the supporting columns 20 and the base 10 are installed on the top of the supporting frame 70.

Specifically, the bending assembly comprises a base 10 and a supporting column 20, the supporting column 20 is vertically connected above the base 10, and the projection area of the base 10 projected on the cross section of the supporting column 20 is smaller than the area of the cross section of the supporting column 20; one side of the annular sandpaper 30 is simultaneously contacted with the base 10 and the supporting columns 20, and the side of the annular sandpaper 30 contacted with the base 10 is deformed and bent under the combined action of the base 10 and the supporting columns 20.

In some preferred embodiments, the outer wall of the supporting column 20 is provided with a grinding table 21 at one end close to the base 10, the grinding table 21 is located above the base 10, and the grinding table 21 is in contact with the annular sandpaper 30. In practical use, the grinding table 21 is rotatably sleeved on the outer wall of the supporting column 20.

In other preferred embodiments, the polishing table 21 is provided with a concave polishing groove 211, and the concave direction of the concave polishing groove 211 is matched with the deformation and bending direction of the ring-shaped coated abrasive 30.

In some preferred embodiments, the top of the support frame 70 is provided with a plurality of insertion holes 71, and the fastening screw 90 is inserted from below the insertion holes 71 and then screwed with the support column 20. In practical use, a plurality of insertion holes 71 are arranged in a straight line on the top of the supporting frame 70, and the arrangement direction of the insertion holes 71 is perpendicular to the running direction of the circular sandpaper 30, so that the supporting columns 20 with different heights can be inserted into the insertion holes to stably contact with the circular sandpaper 30, and the circular sandpaper 30 can be prevented from being too wide to cover the supporting columns 20, thereby avoiding the circular sandpaper 30 from being stuck.

The working principle of the utility model is as follows:

the driving motor 40 is started, the driving wheel 50 and the driven wheel 60 drive the annular abrasive paper 30 to rotate during operation, a worker holds a workpiece to be polished and presses the workpiece against the curved surface of the annular abrasive paper 30, and then the workpiece is kept standing until the workpiece is polished.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims (8)

1. The utility model provides a subassembly of bending which characterized in that: the device comprises a base (10) and a supporting column (20), wherein the supporting column (20) is vertically connected above the base (10), and the projection area of the base (10) projected on the cross section of the supporting column (20) is smaller than the area of the cross section of the supporting column (20);

one side of the annular sand paper (30) is simultaneously contacted with the base (10) and the supporting column (20), and the side of the annular sand paper (30) contacted with the base (10) is deformed and bent under the combined action of the base (10) and the supporting column (20).

2. A bending assembly according to claim 1, wherein: the outer wall of support column (20) is being close to base (10) one end is equipped with platform (21) of polishing, and platform (21) of polishing is located base (10) top, and platform (21) of polishing contacts with annular abrasive paper (30).

3. A bending assembly according to claim 2, wherein: the grinding table (21) is rotatably sleeved on the outer wall of the supporting column (20).

4. A bending assembly according to claim 2, wherein: be equipped with spill groove (211) of polishing on platform (21), the concave surface direction of spill groove (211) of polishing and the crooked orientation looks adaptation of deformation of annular abrasive paper (30).

5. A bending assembly according to claim 3, wherein: be equipped with spill groove (211) of polishing on platform (21), the concave surface direction of spill groove (211) of polishing and the crooked orientation looks adaptation of deformation of annular abrasive paper (30).

6. The utility model provides a sphere grinding device which characterized in that: a bending assembly comprising a drive motor (40), annular sandpaper (30), a support frame (70), a drive wheel (50), a driven wheel (60) and a support block (80) for supporting the driven wheel (60);

the annular abrasive paper (30) is wrapped outside the driving wheel (50) and the driven wheel (60), and the annular abrasive paper (30) synchronously rotates under the action of the driving motor (40), the driving wheel (50) and the driven wheel (60);

the supporting frame (70) is positioned below the annular sand paper (30) on the top layer, and the supporting column (20) and the base (10) are installed at the top of the supporting frame (70).

7. The spherical grinding device of claim 6, wherein: the top of the support frame (70) is provided with a plurality of insertion holes (71), and a fastening screw (90) is inserted from the lower part of the insertion holes (71) and then is in threaded connection with the support column (20).

8. The spherical grinding device of claim 7, wherein: the plurality of jacks (71) are linearly arranged at the top of the support frame (70), and the arrangement direction of the jacks (71) is vertical to the running direction of the annular sand paper (30).

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