CN214025272U - Polishing brush and polishing equipment - Google Patents

Abstract

The utility model discloses a polishing brush, include the bristle carrier and be fixed in many bristles on the bristle carrier, a plurality of bristle fields have on the bristle carrier, it is same many in the bristle field bristle extending direction parallel and with the bristle carrier is the slope setting, and the slope opposite direction of the brush hair in two at least bristle fields. Use the utility model provides a polishing brush, when the polishing, along with the motion of polishing carrier, the most advanced of brush hair can enough act on the interior concave surface of product, also can extend the lateral wall that acts on the product, therefore need not to process lateral wall and interior concave surface respectively through twice process again, has improved machining efficiency, has promoted the productivity. And the inclination directions of the bristles in at least two bristle areas are opposite, so that the side walls of the inner concave surface of the product, which are opposite in inclination directions, can be better polished, and the polishing is more uniform. The utility model also discloses a polishing equipment of having above-mentioned polishing brush has above-mentioned technological effect equally.

Description

Polishing brush and polishing equipment

Technical Field

The utility model relates to a polishing equipment technical field, more specifically say, relate to a polishing brush and polishing equipment.

Background

With the development of science and technology, consumer electronic products are more and more abundant, new technologies, new processes and new materials are inexhaustible in application layers, the electronic products are more and more widely applied and are deeply popular with consumers, the materials such as glass, precious stones and ceramics are applied to the electronic products everywhere, polishing is an important indispensable ring in the processing technology of the materials, the appearance quality which can be perceived by the consumers at first sight needs to be guaranteed by reasonable polishing materials and processes, and the polishing of the inner concave surface and the side wall of the product forms a great challenge to the existing polishing technology. The traditional process needs to divide the side wall and the inner concave surface into two working procedures to be processed separately, the inner concave surface is processed by a straight burr mill, and the side surface is processed by a square polishing machine. However, the quality of the side wall processed by the square hole is very unstable, which easily causes incomplete polishing and over polishing, and greatly affects the productivity and yield.

In summary, how to effectively solve the problems that the side wall and the inner concave surface of the product need to be processed in two processes respectively, the productivity is low, and the like, is a problem to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a first aim at provides a polishing brush, and this polishing brush's structural design can solve product lateral wall and interior concave surface effectively and need divide the lower problem of twice process productivity respectively, the utility model discloses a second aim at provides a polishing equipment including above-mentioned polishing brush.

In order to achieve the first object, the present invention provides the following technical solutions:

the polishing brush comprises a bristle carrier and a plurality of bristles fixed on the bristle carrier, wherein the bristle carrier is provided with a plurality of bristle areas, the bristle areas are arranged in the bristle areas in a parallel mode, the bristle carriers are arranged in an inclined mode, and the inclined directions of the bristles in the bristle areas are opposite.

Preferably, in the above polishing brush, the bristles in each adjacent two of the bristle fields are inclined in opposite directions.

Preferably, in the above polishing brush, a plurality of said bristle fields are uniformly distributed on said bristle carrier.

Preferably, in the polishing brush, the bristle carrier is a brush disc rotating around a central axis, and the bristles are fixed on the end surface of the brush disc; or the bristle carrier is a cylindrical bristle wheel which rotates around a central axis, and the bristles are fixed on the circumferential surface of the bristle wheel; or the bristle carrier is a conveyor belt moving linearly, and the bristles are fixed on the surface of the conveyor belt.

Preferably, in the polishing brush, the bristle carrier is a brush disc rotating around a central axis, and one end to the other end of the bristles, which are fixed to the brush disc, are inclined from inside to outside or from outside to inside along the radial direction of the brush disc.

Preferably, in the above polishing brush, the brush disk is divided into a plurality of fan-shaped bristle areas having the same central angle, and the inclination directions of the bristles in each two adjacent bristle areas are opposite.

Preferably, in the polishing brush, the projection length of the bristles in the central axis direction of the brush disc is 16-18 times of the depth of the side wall of the polishing product.

Preferably, in the polishing brush, the bristle carrier has an inclined opening, and the bristles are planted in the inclined opening by a thread weaving method.

Preferably, in the above polishing brush, the bristles include nylon filament bristles and polishing leather bristles mixed together.

The utility model provides a polishing brush includes bristle carrier and many brush hairs. Wherein, each brush hair all is fixed in on the bristle carrier, has a plurality of bristle fields on the bristle carrier, and many bristle extending direction in same bristle field are parallel and are the slope setting with the bristle carrier, and the slope opposite direction of the brush hair of at least two in a plurality of bristle fields.

Use the utility model provides a polishing brush, many brush hair extending direction parallel formation brush hair bundles in the same brush hair district on the brush hair carrier, and because the brush hair is the slope setting with the brush hair carrier, then when the polishing, along with the motion of polishing carrier, the most advanced of brush hair can enough act on the interior concave surface of product, also can extend the lateral wall that acts on the product, thereby realized polishing interior concave surface and lateral wall simultaneously through flat grinding's processing principle, therefore need not to process lateral wall and interior concave surface respectively through twice process again, and the machining efficiency is improved, and the productivity is promoted. And the inclination directions of the bristles in at least two bristle areas are opposite, so that along with the movement of the bristle carrier, the bristles with different inclination directions can polish the side walls of the inner concave surface of the product, the inclination directions of the two sides of the inner concave surface of the product are opposite, the polishing is more uniform, and the processing yield is further improved.

In order to achieve the second object, the present invention also provides a polishing apparatus, which comprises any one of the above polishing brushes. Because the polishing brush has the technical effects, the polishing equipment with the polishing brush also has the corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a polishing brush according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of section A-A of FIG. 1;

FIG. 3 is a schematic structural view of section B-B of FIG. 1;

FIG. 4 is a schematic view of the engagement of the bristles with the side wall;

FIG. 5 is a schematic view of the combination of the polishing brush and the product.

The drawings are numbered as follows:

the toothbrush comprises a brush disc 1, an inclined opening 2, bristles 3, a product 4, a dental plate disc 5 and a dental plate carrying disc 6.

Detailed Description

The embodiment of the utility model discloses polishing brush to simplify the polishing process of the product including interior concave surface and lateral wall, promote production efficiency.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a polishing brush includes bristle carrier and many brush hairs.

The bristle carrier is a structure for fixing bristles, and the bristles on the bristle carrier are driven to synchronously move through rotation, linear movement and other motions of the bristle carrier so as to polish. The bristles may be knit or the like to the bristle carrier, with the number of bristles set as desired. The wool weaving method is fixed, the fixing mode is stable, and the problem that the glue bonding mode is not suitable for a mineral oil and diamond powder mixed medium required by polishing ceramics and gems, and the viscose can be dissolved by mineral oil is solved.

The bristle carrier is provided with a plurality of bristle areas, the extending directions of a plurality of bristles in the same bristle area are parallel, and the bristles and the bristle carrier are obliquely arranged. The inclined arrangement of the bristles and the bristle holders means that the included angle between the bristles and the bristle extending surfaces of the bristle holders is smaller than 90 degrees, when the surface of the bristle holder on which the bristles are fixed is a plane, the bristle extending surfaces are the plane, and when the surface of the bristle holder on which the bristles are fixed is a curved surface, the bristle extending surfaces are corresponding tangent planes. The bristles are arranged in an inclined mode, and different from a conventional straight bristle structure, the inclined angle of the bristles can be set correspondingly according to the angle between the side wall of the product and the inner concave surface. Preferably, the inclination angle of the bristles is such that the bristles are at right angles to the side walls of the product, so that the polishing effect can be exerted to the greatest extent.

The inclination directions of the bristles of at least two of the plurality of bristle fields are opposite. If the bristles in one bristle field are inclined inwardly, the bristles in at least one other bristle field are inclined outwardly. The two side walls opposite to the concave surface of the product are usually opposite in inclination direction, so that the bristle fields opposite in inclination direction can be respectively matched with the two side walls opposite in inclination direction, and the polishing uniformity is improved. Specifically, the inclination directions of the bristles in two adjacent bristle areas are opposite. As the arrangement, the concave plane, the arc edge and the four corners of the curved surface cover plate and other products can be uniformly swept. The plurality of bristle fields may in particular be evenly distributed on the bristle carrier to further promote the uniformity of the polishing.

Use the utility model provides a polishing brush, many brush hair extending direction parallel formation brush hair bundles in the same brush hair district on the brush hair carrier, and because the brush hair is the slope setting with the brush hair carrier, then when the polishing, along with the motion of polishing carrier, the most advanced of brush hair can enough act on the interior concave surface of product, also can extend the lateral wall that acts on the product, thereby realized polishing interior concave surface and lateral wall simultaneously through flat grinding's processing principle, therefore need not to process lateral wall and interior concave surface respectively through twice process again, and the machining efficiency is improved, and the productivity is promoted. And through setting up the brush hair opposite direction of slope in two at least brush hair districts, then along with the motion of bristle carrier, the brush hair that the inclination direction is different can be better polish respectively to the product concave surface both sides opposite direction of slope's lateral wall, makes the polishing more even, has promoted the processing yield.

Further, have a plurality of bristle fields on the bristle carrier, the bristle carrier in this application both includes the brush dish, and the brush hair is fixed in the terminal surface of brush dish, and the brush coils the central axis and rotates to the brush hair motion realization polishing on driving its terminal surface. The bristle carrier also includes a cylindrical brush wheel that rotates about a central axis, and bristles are fixed to the circumferential surface of the brush wheel. The bristle carrier also includes a linearly moving conveyor belt, to the surface of which the bristles are affixed. Other conventional constructions of bristle carriers are possible as desired and are not limited to the above-listed constructions.

The bristle carrier is described below as an example of a bristle disk. The brush plate is a circular plate. In one embodiment, the ends of the bristles in at least one bristle field to which the bristle carrier is fixed are inclined from the inside to the outside in the radial direction of the brush disc, and the ends of the bristles in at least one other bristle field to which the bristle carrier is fixed are inclined from the outside to the inside in the radial direction of the brush disc.

In order to more clearly explain the polishing effect of the side wall when the bristles 3 are inclined, the bristles 3 are obliquely implanted outward at an angle of 30 degrees in a single direction. As shown in fig. 4-5, the position at processing point i is perpendicular to the side wall of bristle 3, bristle 3 can extend to the side wall, the end face acting force of bristle 3 acts on the side wall at the point i at the time is the biggest, the linear velocity of bristle 3 at this position point is V r ω, bristle 3 drives the angular velocity ω of bristle 3 pivoted in the dish and is certain, when the r value is bigger this dotted line velocity V of brush dish 1 is bigger, the polishing effect is better, because the brush is outwards planted to the slant and add many side wall steps and interfere, the side wall of point ii can not be fully processed. When the die plate disc 5 loaded with the product 4 rotates during processing, and the die plate disc 5 changes from the solid line position to the position shown by the dotted line in fig. 2, the point ii which cannot be processed at the solid line position is the point iii at the position shown by the dotted line (the point ii and the point iii are shown at the same position on the product 4), at this time, the outward-inclined hairbrush can extend to the point iii at the position shown by the dotted line, the linearity of the bristles 3 at the point iii at the position shown by the dotted line is V ═ r ω, and the angular velocity ω is not changed, because the distance r from the circle center is small, the linear velocity V of the bristles 3 at the point iii is also small, the processing speed of the bristles 3 is small, the polishing removal amount is insufficient, the product 4 is difficult to be fully polished, and the polishing removal amount of the product 4 at the point ii at the solid line position (the point iii at the position shown by the dotted line after the die plate disc 5 rotates) is relatively difficult to ensure. After the unidirectional oblique planting bristles are changed into the bidirectional oblique planting bristles, namely the inclination directions of the bristles 3 in at least two bristle areas are opposite, the linear speeds of the points I and II are large, the symmetrical internal and external oblique planting bristles can be respectively and fully processed to the points I and II in the figure in the rotating process, and other side walls can be fully processed in the same way, so that the side walls of the product 4 can be uniformly polished. Therefore, the side wall can be polished by the unidirectional bristles and the multidirectional bristles, but the polishing of the multidirectional bristles is more uniform and the polishing effect is better.

Referring to fig. 1-3, fig. 1 is a schematic structural view of a polishing brush according to an embodiment of the present invention; FIG. 2 is a schematic structural view of section A-A of FIG. 1; fig. 3 is a schematic structural view of a section B-B in fig. 1. Specifically, the brush disk 1 is divided into a plurality of fan-shaped bristle areas with the same central angle, and the inclination directions of the bristles 3 in each two adjacent bristle areas are opposite. Taking the brush hair 3 to weave hair through the inclined opening hole 2 on the brush disk 1 as an example, the brush disk 1 equally divides a plurality of modules by taking the circle center as the center, the opening holes of the brush hair 3 in two adjacent brush hair areas which are radially symmetrical and connected with the circle center are connected into a straight line, one inclined weaving hole of the two groups of equally divided symmetrical brush hair areas inclines to the extension line of the connecting line of the circle center and the opening hole, the inclined opening hole 2 of the other group of equally divided symmetrical brush hair areas which takes the circle center as the symmetrical point inclines to the circle center direction, namely the equally divided symmetrical brush hair areas respectively incline inwards and outwards, and the structure can ensure that the areas of the inwards and outwards inclined opening holes 2 are equal in size.

Inside outwards oblique trompil 2 in 360 degrees whole disc region is interval distribution in proper order, and this structure can ensure that the brush atress is even stable when processing is rotated, and the inside and outside two-way brush of weaving to one side of symmetry is favorable to guaranteeing to 4 polishes evenly to the product, according to the difference of 4 structures of product, and the angle of weaving to one side inside and outside can be adjusted according to the structural feature at 4 processing positions of product, and the material of brush also can be according to 4 different selections of processing product polishing leather, nylon yarn, one or more homogeneous mixing such as sisal hemp. This brush dish 1 simple structure, easily processing and maintenance, the structural feature that two-way oblique knits can greatly ensure 4 polishes evenly of product, and especially ordinary straight brush is difficult to polish 4 interior concave surfaces of product and interior concave surface lateral wall and has splendid polishing effect, solves to be stranded around ordinary flat grinding machine lateral wall polishing efficiency low, and the unstable difficult problem of quality greatly improves production efficiency and quality, the utility model discloses easily realize and promote to have very big practical value.

During polishing, the upper disc of the machine, namely the brush disc 1 with the bidirectional inclined holes 2, rotates under the driving of the motor, the lower disc is a dental plate carrying disc 6 for placing a product 4, one dental plate carrying disc 6 carries three dental plate discs 5, the dental plate carrying disc 6 carrying the dental plate discs 5 rotates when the dental plate discs 5 rotate, then the dental plate discs 5 are driven to revolve, and the rotation and the revolution of the product 4 on the dental plate discs 5 are simultaneously realized. Two-way brush of weaving to one side has ensured that product 4 no matter in which position point, the most advanced of brush can extend interior concave surface and lateral wall simultaneously all the time to realized that the processing principle through flat grinding polishes interior concave surface and lateral wall simultaneously, brush structure and processing principle ensure that every position point of product 4 can evenly polish all the time, and the direction is woven to one side to the brush, and the brush material, inclination and the position of slope trompil 2 do not injectedly, all are the utility model discloses a category, the direction of weaving to one side (one-way or multidirectional), the hole permutation and combination mode is woven to the multidirectional slope, and the size and the position of trompil are woven to the disk body one side, all belong to this obviously applied category. The polishing and flat grinding principle is utilized, and the inclined weaving hairbrush inclined in multiple directions is utilized to polish and simultaneously evenly process complex external surfaces such as side walls, concave surfaces and the like. Traditional technology lateral wall and interior concave surface polishing need to be processed separately by the branch process, and complex operation technology is complicated, and inefficiency and yield are unstable, the utility model discloses having simplified the process, greatly having promoted yield and production efficiency, through efficiency and the yield of statistics contrast, can save 80% during production, the yield promotes 20%, and this utility model discloses have very great meaning to production technology change, easily realize and promote, have very high economical and practical value.

Further, the bristles 3 include nylon filament bristles 3 and buff leather bristles 3 mixed together. The inner concave surface processed by the product 4 is a composite curved surface formed by combining a plurality of surfaces, and can roughly comprise three different structural groups, namely an inner plane, an inner R angle and an inner side wall, and the polishing brush structures suitable for all parts are correspondingly different. The nylon filament bristles 3 are small in bristle diameter and good in toughness, can be thrown to the corners and the side walls of the products 4R more easily, but the nylon filaments are slowly removed during processing, the flatness of the processed products 4 is poor, and the platforms in the products 4 are easy to be over-thrown or the flatness of the inner platforms is easy to be out of tolerance. 3 roots of polishing leather brush hair are thick, and toughness is poor, can't extend the R angle and the lateral wall of processing to product 4 man-hour, and the platform volume of getting rid of is big in the processing of polishing leather brush, and the roughness is good, uses the mixed brush of two kinds of hairs can synthesize the advantage of two kinds of brushes, from actual yield data analysis, and the mixed brush yield of polishing leather nylon yarn compares and only adopts nylon yarn brush hair 3 to have obvious advantage. Specific data are shown in table 1, and the processing parameters of each test group are the same except for the different specifications of the brush.

TABLE 1 comparison of polishing yields of bristles of different materials

Specifically, the bristles 3 are inclined at an angle in the range of 25 to 35, preferably 30. When the brush is obliquely planted at an angle of 30 degrees, the included angle between the brush bristles 3 and the side walls of the product 4 is a right angle, the acting force of the brush bristles 3 is completely on the side walls, the end faces of the brush bristles 3 can fully sweep and grind the side walls of the product 4, the sweeping and grinding removal amount of the brush bristles 3 to the side walls is the largest at the moment, the processing quality is the best, and therefore the angle for planting the brush bristles 3 is selected to be the optimum angle of 30 degrees.

The hair length of brush hair 3 is too short, 3 compressive strength of brush hair is big, toughness is not enough, 1 pushing down the certain circumstances of pressure under the brush dish, on the face of the dental plate of the most effect of pushing down force of brush hair 3, brush hair 3 can't fully extend to interior concave surface, the length overlength of brush hair 3, the compressive strength and the toughness of brush hair 3 are poor, brush hair 3 receives the extrusion easy bending, it is not enough to sweep the mill run during processing, 4 lateral wall depths of product are 1.5mm, empirical analysis, brush hair 3 is 16-18 times of 4 lateral wall depths of product at the projection length of vertical direction, polishing effect is the best when corresponding 3 vertical projection lengths of brush hair is 24 to 27mm, 30 degrees weave the brush to one side and be 26mm at vertical projection length, in polishing effect optimum range. Namely, the projection length of the brush hair 3 in the central axis direction of the brush disk 1 is 16-18 times of the depth of the side wall of the corresponding polishing product 4, so that the pressure resistance of the brush hair 3 is ensured to be high, the toughness of the brush hair 3 is optimal, and the polishing effect is optimal.

The above description has been given by taking the bristle 3 carrier as the brush disk 1, the brush carrier includes but is not limited to the flat-ground brush disk 1, and the related carriers such as the cylindrical brush wheel and the crawler belt strip which are polished all around are in the application scope of the present invention.

Specifically, the bristle 3 carrier is a cylindrical brush wheel which rotates around a central axis, and under the condition that the bristles 3 are fixed on the circumferential surface of the brush wheel, the bristles 3 in at least one bristle area are inclined from top to bottom from one end fixed with the brush wheel to the other end along the radial direction of the brush wheel; and/or the bristles 3 in at least one other bristle area are inclined from one end to the other end fixed with the brush wheel from bottom to top along the radial direction of the brush wheel.

The bristle 3 carrier is a conveyor belt moving linearly, under the condition that the bristles 3 are fixed on the surface of the conveyor belt, the bristles 3 in at least one bristle area and one end to the other end of the conveyor belt, which are fixed, are inclined from inside to outside along the transverse direction of the conveyor belt, and the transverse direction of the conveyor belt is vertical to the moving direction of the conveyor belt; and/or the bristles 3 in at least one other bristle field are inclined from one end fixed with the brush wheel to the other end along the transverse direction of the conveyor belt from outside to inside.

For a specific fixing manner of the brush hairs 3, please refer to the embodiment in which the brush hair 3 carrier is the brush disk 1, and the details are not repeated herein.

Based on the polishing brush that provides in the above-mentioned embodiment, the utility model also provides a polishing equipment, this polishing equipment includes arbitrary polishing brush in the above-mentioned embodiment. Because the polishing device adopts the polishing brush in the above embodiment, please refer to the above embodiment for the beneficial effects of the polishing device.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The polishing brush is characterized by comprising a bristle carrier and a plurality of bristles fixed on the bristle carrier, wherein the bristle carrier is provided with a plurality of bristle areas, the bristle areas are the same, the bristle extending directions of the bristles in the bristle areas are parallel and are obliquely arranged with the bristle carrier, and the bristle areas are at least two, and the inclined directions of the bristles are opposite.

2. The polishing brush as set forth in claim 1 wherein the bristles in adjacent two of said bristle fields are inclined in opposite directions.

3. The polishing brush of claim 1 wherein a plurality of said bristle fields are evenly distributed on said bristle carrier.

4. The polishing brush as claimed in any one of claims 1 to 3, wherein said bristle carrier is a brush disk rotating about a central axis, said bristles being secured to an end face of said brush disk; or the bristle carrier is a cylindrical bristle wheel which rotates around a central axis, and the bristles are fixed on the circumferential surface of the bristle wheel; or the bristle carrier is a conveyor belt moving linearly, and the bristles are fixed on the surface of the conveyor belt.

5. The polishing brush as set forth in claim 4 wherein said bristle carrier is a brush disk rotating about a central axis, and said bristles are inclined from one end to the other end thereof, which are fixed to said brush disk, from inside to outside or from outside to inside in a radial direction of said brush disk.

6. The polishing brush as set forth in claim 5, wherein said brush disk is divided into a plurality of fan-shaped bristle fields having the same central angle, and the inclination directions of said bristles in each adjacent two of said bristle fields are opposite.

7. The polishing brush as set forth in claim 5, wherein the projected length of the bristles in the direction of the central axis of the brush disk is 16 to 18 times the depth of the side wall of the corresponding polishing product.

8. The polishing brush as set forth in claim 1 wherein said bristle carrier has angled openings therein, said bristles being woven in said angled openings.

9. The polishing brush as set forth in claim 1 wherein the bristles comprise a blend of nylon filament bristles and buffy coat bristles.

10. A polishing apparatus comprising the polishing brush as recited in any one of claims 1 to 9.

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