CN215659769U - High-elastic wear-resistant elastic grinding block - Google Patents
High-elastic wear-resistant elastic grinding block Download PDFInfo
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- CN215659769U CN215659769U CN202023348160.5U CN202023348160U CN215659769U CN 215659769 U CN215659769 U CN 215659769U CN 202023348160 U CN202023348160 U CN 202023348160U CN 215659769 U CN215659769 U CN 215659769U
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- 238000000227 grinding Methods 0.000 title claims abstract description 199
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 239000010432 diamond Substances 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 7
- 239000000919 ceramic Substances 0.000 abstract description 52
- 238000005498 polishing Methods 0.000 abstract description 19
- 230000003116 impacting effect Effects 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 9
- 229910052573 porcelain Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 235000015895 biscuits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
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Abstract
The utility model discloses a high-elasticity wear-resistant elastic grinding block which comprises a base, an elastic body and a grinding material layer, wherein the elastic body is made of an elastic material, the front surface of the elastic body is of an arc-shaped structure, the back surface of the elastic body is of a plane structure, the back surface of the elastic body is connected to the base, and the grinding material layer is connected to the front surface of the elastic body; a plurality of deformation spaces are arranged between the front surface and the back surface of the elastic body, and the deformation spaces are arranged in an array; the grinding material layer is composed of a plurality of grinding heads, and the grinding heads are provided with m rows and n columns. The high-elasticity and wear-resistant elastic grinding block disclosed by the utility model has good elasticity, the grinding head is fully contacted with a ceramic tile, the grinding head can be prevented from impacting the ceramic tile, and the polishing quality and efficiency are effectively improved.
Description
Technical Field
The utility model relates to the technical field of polishing and grinding of ceramic tiles, in particular to a high-elasticity wear-resistant elastic grinding block.
Background
In the process of producing ceramic tiles, the ceramic tiles need to be polished. In the polishing process, the tile green body is typically ground using a metal bond abrasive tool to remove raised points on the tile surface. Because the rough grinding process of metal bond emery wheel to ceramic tile biscuit is dry grinding, grinding process calorific capacity is big and leads to diamond wearing and tearing speed very fast, along with the wearing and tearing blunting of diamond, its resistance that receives constantly increases and drops, but the wearing and tearing speed of current metal bond matrix is unmatched with the period that the sword that goes out of diamond drops, matrix wearing and tearing are slow, diamond drops earlier in the grinding process, and then follow-up diamond can't go out the sword or go out the sword height inadequately, it is not sharp to show, so current metal bond grinding apparatus is not suitable for carrying out the rough grinding to the ceramic tile. In addition, the grinding tool with the structure usually has the problem of missed grinding during the process of grinding the ceramic tile. In order to reduce the missing polishing rate, the abrasive belt is usually used for polishing and polishing a ceramic tile biscuit instead of a grinding wheel, although the missing polishing rate is reduced, the polishing and polishing service life of the abrasive belt is usually one day, so that the abrasive belt is frequently replaced, and the production cost of the ceramic tile is not reduced. In addition, the dull polish layer of current polishing abrasive brick is in the same place with between the assembly part, if run into the ceramic tile surface when polishing abrasive brick during operation and appear unevenness, because do not have the buffer layer between dull polish layer and the assembly part, the dull polish layer can be with the surperficial polishing of ceramic tile unevenness level and smooth, this can lead to ceramic tile surface bulge's fancy glaze and cover glaze to throw away for the design of ceramic tile is incomplete.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a high-elasticity and wear-resistant elastic grinding block which is good in elasticity, capable of effectively improving abnormal consumption, improving the wear resistance of the elastic grinding block and prolonging the service life of the elastic grinding block, and capable of effectively improving polishing quality and polishing efficiency due to the fact that a grinding head is fully contacted with a ceramic tile.
In order to solve the technical problems, the utility model provides a high-elasticity wear-resistant elastic grinding block which comprises a base, an elastic body and an abrasive material layer, wherein the elastic body is made of an elastic material, the front surface of the elastic body is of an arc-shaped structure, the back surface of the elastic body is of a plane structure, the back surface of the elastic body is connected to the base, and the abrasive material layer is connected to the front surface of the elastic body;
a plurality of deformation spaces are arranged between the front surface and the back surface of the elastic body, and the deformation spaces are arranged in an array; the grinding layer is composed of a plurality of grinding heads, the grinding heads are provided with m rows and n columns, n is more than or equal to 3, and m is more than or equal to 3; wherein,
when n is odd, the grinding heads in the 1 st to (n-1)/2 nd rows have R-shaped radian structures, and the left arc-shaped inclined plane inclines leftwards and upwards and forms an included angle theta with the horizontal plane1The included angle theta from the 1 st column to the (n-1)/2 nd column1The angles are sequentially increased, the grinding heads in the (n +1)/2 th row are in a trapezoid shape, the length of the lower surface is smaller than that of the upper surface, the grinding heads in the (n +1)/2) +1 th row to the n th row have an R-shaped radian structure, and the right arc-shaped inclined plane of the grinding heads inclines upwards towards the left, and forms an included angle theta with the horizontal plane2The angle θ between the n-th row to the ((n +1)/2) + 1-th row2The angles are sequentially increased;
when n is a double number, the grinding heads of the 1 st to (n/2) -1 st rows have R-shaped radian structures, and the left arc inclined plane inclines upwards towards the left, and the included angle between the left arc inclined plane and the horizontal plane is theta1The included angle theta from the 1 st column to the (n-1)/2 nd column1The angles are sequentially increased, the grinding heads in the (n/2) th row and the (n/2) th plus 1 st row have the same structure, are trapezoidal, the length of the lower surface is smaller than that of the upper surface, the grinding heads in the (n/2) th plus 2 th row to the n (n) th row have R-shaped radian structures, and the right arc-shaped inclined plane of the grinding heads inclines upwards towards the left, and forms an included angle theta with the horizontal plane2The angle theta from the nth row to the (n/2) +2 th row2The angles are sequentially increased.
As an improvement of the scheme, the included angle theta1The incremental values of the angle theta are the same and are 2-5 degrees1The degree of (A) is 15-60 degrees;
the angle theta2The incremental values of the angle theta are the same and are 2-5 degrees1The degree of (2) is 15-60 degrees.
As an improvement of the scheme, the included angle theta1The incremental value of (a) is 2-3 degrees, and the included angle theta1The degree of (2) is 20-30 degrees.
As an improvement of the scheme, the included angle theta2The incremental value of (a) is 2-3 degrees, and the included angle theta1The degree of (A) is 40-50 DEG。
As an improvement of the scheme, when n is singular, included angles between two side surfaces of the grinding heads in the (n +1)/2 th row and a horizontal plane are both 55-75 degrees;
when n is a double number, included angles between two side surfaces of grinding heads of the (n/2) th row and the (n/2) +1 st row and a horizontal plane are both 55-75 degrees.
As a modification of the above-described aspect, the grinding heads of columns 1 to (n-1)/2 and the grinding heads of columns ((n +1)/2) +1 to n are symmetrical about the central axis of the grinding heads of columns (n +1)/2, or the grinding heads of columns 1 to (n/2) -1 and the grinding heads of columns (n/2) +2 to n are symmetrical about the central axis of the grinding heads of columns n/2 and (n/2) + 1.
As an improvement of the scheme, the deformation space is provided with h rows and k columns, wherein h is more than or equal to 5, and k is more than or equal to 5.
As an improvement of the scheme, the cross sections of all the deformation cavities are in long strips.
As an improvement of the above scheme, the grinding head is formed of a resin in which diamonds are uniformly distributed;
the elastomer is made of soft rubber or soft plastic.
As an improvement of the scheme, the base is provided with a groove for installing the elastic body, and the back surface of the elastic body is installed in the groove of the base.
The implementation of the utility model has the following beneficial effects:
the high-elasticity wear-resistant elastic grinding block adopts the grinding head with the R-shaped radian to form the grinding material layer, and the grinding material layer is obliquely contacted with the brick surface in the working process, compared with the direct front impact type contact of nearly 90 degrees in the prior art, the high-elasticity wear-resistant elastic grinding block can more effectively avoid and reduce the damage of the tool bit of the high-elasticity wear-resistant elastic grinding block generated by the direct impact and the brick surface grinding marks and grinding marks caused by the damage, and the high-quality product proportion is effectively improved.
In addition, the grinding head adopts an array structure, the inclined plane inclination angle of the grinding head with the R-shaped radian structure is sequentially increased from outside to inside, so that the grinding head is further fully contacted with the brick surface, and the grinding effect is improved; when the existing grinding head close to 90 works, the corners of the grinding head are easy to crack due to straight impact, so that the integral structural strength and the wear resistance of the grinding head are influenced, the consumption is high, and the grinding head needs to be frequently replaced; the inclined plane inclination angle of the grinding head with the R-shaped radian structure is sequentially increased from outside to inside, so that abnormal consumption caused by straight impact can be effectively reduced, the wear resistance of the high-elasticity wear-resistant elastic grinding block is improved, and the service life of the grinding head is prolonged; meanwhile, the using amount of the grinding head can be reduced when the grinding head is manufactured, and the cost is reduced.
Secondly, the deformation cavity formed in the elastic body can play a role in elastic shock absorption, wherein the deformation cavity enables the elastic body to have sufficient deformation space, so that the elastic body has good elasticity to offset larger impact force, and the service life of the high-elasticity and wear-resistant elastic grinding block is prolonged; more importantly, the elastic body can deform along with the curved surface of the abrasive layer by increasing the impact force, so that more abrasive layers are close to the surface to be processed, and the processing efficiency is finally improved.
Drawings
FIG. 1 is a perspective view of a high resilience and wear resistant resilient wear block of the present invention;
FIG. 2 is a schematic structural view of a base of a high-elasticity wear-resistant elastic grinding block of the utility model;
FIG. 3 is a cross-sectional view of the elastomeric body of the high resilience wear resistant resilient wear block of the present invention;
figure 4 is a schematic structural view of a first embodiment of the resilient modular grinding head of the present invention;
figure 5 is a schematic structural view of a second embodiment of the resilient modular grinding head of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the high-elasticity wear-resistant elastic abrasive block provided by the utility model comprises a base 10, an elastic body 20 and an abrasive layer 30, wherein the elastic body 20 is made of an elastic material, the front surface of the elastic body 20 is of an arc-shaped structure, the back surface of the elastic body is of a planar structure, the back surface of the elastic body is connected to the base 10, and the abrasive layer 30 is connected to the front surface of the elastic body 20.
Specifically, referring to fig. 2, the base 10 is provided with a groove 11 for mounting the elastic body 20, and the back surface of the elastic body is mounted in the groove 11 of the base 10. Preferably, the material of the elastic body 20 is soft rubber, soft plastic or other materials with elasticity.
Referring to fig. 3, a plurality of deformation cavities 23 are arranged between the front surface 21 and the back surface 22 of the elastic body 20, and the deformation cavities 23 are arranged in an array and have h rows and k rows, wherein h is greater than or equal to 5, and k is greater than or equal to 5; the heights of the odd-numbered deformation cavities 23 and the even-numbered deformation cavities 23 are different, and the distance between the odd-numbered deformation cavities 23 and the back surface 22 is different from the distance between the even-numbered deformation cavities 23 and the back surface 22. The deformation cavity 23 formed in the elastic body 20 can play a role in elastic shock absorption, wherein the deformation cavity 23 enables the elastic body 20 to have sufficient deformation space, so that the elastic body 20 has good elasticity to offset larger impact force, and the service life of the elastic grinding block is prolonged; more importantly, the utility model can make the elastic body 20 deform along with the curved surface of the abrasive layer 30 by increasing the impact force, so that more abrasive layers 30 are close to the surface to be processed, and finally, the processing efficiency is improved.
Besides being capable of deforming, the elastic body 20 also needs to provide a supporting force and a bonding force for the abrasive layer 30, so that the structure, arrangement and occupation space of the deformation cavity 23 play an important role in the deformation capability and the supporting capability of the elastic body 20.
Specifically, all the deformed cavities 23 have a strip-shaped cross section, and the width of a single row of deformed cavities is a1Height of b1The distance between the bottom and the back is c1The width of the deformation cavities of the double rows is a2Height of b2The distance between the bottom and the back is c2Wherein
if a1＝a2And b is1＜b2Then c is1＜c2；
If a1＝a2And b is1＞b2Then, thenc1＞c2；
If a1＞a2Then b is1＜b2And c is and c1＜c2。
The abrasive layer 30 of the present invention is composed of a plurality of grinding heads 31, each grinding head 31 is formed of a resin in which diamonds are uniformly distributed, the grinding heads 31 include m rows and n columns, n is not less than 3, and m is not less than 3.
Referring to fig. 4, when n is singular, the grinding heads of the 1 st to (n-1)/2 nd rows have an R-shaped arc structure, and the left arc inclined surface 311 inclines leftwards and upwards at an angle θ with the horizontal plane1The included angle theta from the 1 st column to the (n-1)/2 nd column1The angles are sequentially increased, preferably, the included angle theta is1The incremental values of the two are the same and are 2-5 degrees. Preferably, the included angle θ1The degree of (2) is 15-60 degrees.
The grinding heads in the (n +1)/2 th row are trapezoidal, the length of the lower surface is smaller than that of the upper surface, and included angles between two side surfaces of the grinding heads and the horizontal plane are 55-75 degrees.
The grinding heads of the ((n +1)/2) +1 st to the nth rows have R-shaped radian structures, and the right arc-shaped inclined plane of the grinding head inclines upwards towards the left and forms an included angle theta with the horizontal plane2The angle θ between the n-th row to the ((n +1)/2) + 1-th row2The angles are sequentially increased, preferably, the included angle theta is2The incremental values of the two are the same and are 2-5 degrees. Preferably, the included angle θ2The degree of (2) is 15-60 degrees.
The maximum heights of the grinding heads are the same, when the elastic grinding block grinds the ceramic tile or the ceramic plate in a polishing mode, the left arc-shaped inclined surface 311 of the grinding head in the 1 st row or the right arc-shaped inclined surface 312 of the grinding head in the nth row is in oblique contact with the surface of the ceramic tile or the ceramic plate at first, the left arc-shaped inclined surface 311 of the grinding head in the 2 nd to (n +1)/2 th rows or the right arc-shaped inclined surface 312 of the grinding head in the n-1 th to (n +1)/2 nd rows is in oblique contact with the surface of the ceramic tile or the ceramic plate sequentially, and the contact angle is 15-60 degrees.
Referring to fig. 5, when n is a double number, the grinding heads of the 1 st to (n/2) -1 st rows have an R-shaped arc structure, and the left arc inclined plane 311 inclines upwards towards the left and forms an angle theta with the horizontal plane1The included angle theta from the 1 st column to the (n-1)/2 nd column1Angle increases gradually and excelsOptionally, the included angle θ1The incremental values of the two are the same and are 2-5 degrees. Preferably, the included angle θ1The degree of (2) is 15-60 degrees.
The grinding head in the (n/2) th row and the (n/2) th plus 1 st row are same in structure, are trapezoidal, the length of the lower surface is smaller than that of the upper surface, and the included angles between the two side surfaces of the grinding head and the horizontal plane are 55-75 degrees.
The grinding heads of the (n/2) +2 to the n-th rows have R-shaped radian structures, and the right arc-shaped inclined plane 312 inclines upwards towards the left, and forms an included angle theta with the horizontal plane2The angle theta from the nth row to the (n/2) +2 th row2The angles are sequentially increased, preferably, the included angle theta is2The incremental values of the two are the same and are 2-5 degrees. Preferably, the included angle θ2The degree of (2) is 15-60 degrees.
The maximum heights of the grinding heads are the same, when the elastic grinding block grinds the ceramic tile or the ceramic plate in a polishing mode, the left arc-shaped inclined plane 311 of the grinding head in the 1 row or the right arc-shaped inclined plane 312 of the grinding head in the nth row is in oblique contact with the surface of the ceramic tile or the ceramic plate at first, the left arc-shaped inclined plane 311 of the grinding head in the 2 nd to n/2 th rows or the right arc-shaped inclined plane 312 of the grinding head in the n-1 th to (n/2) +1 st rows are in oblique contact with the surface of the ceramic tile or the ceramic plate sequentially, and the contact angle is 15-60 degrees.
The elastic grinding block adopts the grinding head with the R-shaped radian to form the grinding material layer 30, and the grinding head is obliquely contacted with the brick surface in the working process, compared with the direct front impact type contact of nearly 90 degrees in the prior art, the elastic grinding block can more effectively avoid and reduce the damage of the grinding head caused by the direct impact and the brick surface grinding marks and grinding marks caused by the damage, and effectively improve the ratio of superior products.
In addition, the grinding head adopts an array structure, the inclined plane inclination angle of the grinding head with the R-shaped radian structure is sequentially increased from outside to inside, so that the grinding head is further fully contacted with the brick surface, and the grinding effect is improved; when the existing grinding head close to 90 works, the corners of the grinding head are easy to crack due to straight impact, so that the integral structural strength and the wear resistance of the grinding head are influenced, the consumption is high, and the grinding head needs to be frequently replaced; the inclined plane inclination angle of the grinding head with the R-shaped radian structure is sequentially increased from outside to inside, so that abnormal consumption caused by straight impact can be effectively reduced, the wear resistance of the elastic grinding block is improved, and the service life of the elastic grinding block is prolonged; meanwhile, the using amount of the grinding head can be reduced when the grinding head is manufactured, and the cost is reduced.
Secondly, the left arc-shaped inclined plane 311 of the grinding heads from the (n-1)/2 st to the 1 st row of the utility model is inclined in sequence, the left arc-shaped inclined plane 311 of the grinding heads from the ((n +1)/2) +1 st to the nth row is inclined in sequence, when the elastic grinding block grinds the ceramic tile or the ceramic plate, the left arc-shaped inclined plane 311 or the right arc-shaped inclined plane 312 is firstly contacted with the surface of the ceramic tile or the ceramic plate in an inclined way and is inclined at an included angle theta1Or theta2The degree of decrease is 2-5 degrees, so that the grinding head of the elastic grinding block avoids and reduces damage to a tool bit of the elastic grinding block caused by straight impact and brick surface grinding marks and grinding marks caused by the damage, the quality of the ceramic tile or ceramic plate polished by the elastic grinding block is obviously improved, the polishing efficiency of the elastic grinding block is improved by the resin with uniformly distributed diamonds in the grinding head, the maximum heights of the grinding heads are the same, the elastic grinding block can be polished more quickly, processing errors are avoided, the defect of uneven polishing pressure caused by different heights in the prior art is overcome, and the elastic grinding block and the ceramic tile are fully contacted and polished more obviously due to the fact that the elastic body 20 has the structure of the deformation cavity 23.
Preferably, the grinding heads of the 1 st to (n-1)/2 nd columns and the grinding heads of the ((n +1)/2) +1 st to n th columns of the present invention are symmetrical about the central axis of the grinding heads of the (n +1)/2 nd columns, or the grinding heads of the 1 st to (n/2) -1 st columns and the grinding heads of the (n/2) +2 nd to n th columns of the present invention are symmetrical about the central axes of the grinding heads of the n/2 nd and the (n/2) +1 st columns, so that the elastic grinding block polishes the tile or the porcelain plate in both the left and right directions, which is advantageous for improving the usage rate of the elastic grinding block.
Preferably, when n is singular, the left arc-shaped inclined plane 311 of the grinding head of the 1 st to (n-1)/2 nd columns of the utility model inclines leftwards and upwards to form an included angle theta with the horizontal plane1Increase in order from outside to inside, and theta1The degree of the left arc-shaped inclined surface 311 is 20-30 degrees, the incremental degree of the left arc-shaped inclined surface is 2-3 degrees, and when the elastic grinding block grinds the ceramic tile or the porcelain plate in a polishing way, the left arc-shaped inclined surface 311 is firstly connected with the surface of the ceramic tile or the porcelain plateThe surfaces are contacted obliquely, and the grinding head can be suitable for polishing and grinding thinner ceramic tiles.
Preferably, when n is a double number, the left arc-shaped inclined plane 311 of the grinding head in the 1 st to (n/2) -1 st columns of the utility model inclines leftwards and upwards to form an included angle theta with the horizontal plane1Increase in order from outside to inside, and theta1The degree of the grinding head is 20-30 degrees, the incremental degree of the grinding head is 2-3 degrees, when the elastic grinding block grinds the ceramic tile or the porcelain plate, the left arc-shaped inclined surface 311 is firstly in inclined contact with the surface of the ceramic tile or the porcelain plate, and the grinding head can be suitable for grinding thinner ceramic tiles.
Preferably, when n is singular, the right arc-shaped inclined plane 312 of the grinding head in the nth to ((n +1)/2) +1 th rows of the utility model inclines upwards towards the right and forms an included angle theta with the horizontal plane2Increase in order from outside to inside, and theta2The degree of the grinding head is 40-50 degrees, the incremental degree is 2-3 degrees, when the elastic grinding block grinds the ceramic tile or the porcelain plate, the right arc-shaped inclined plane 312 is firstly in inclined contact with the surface of the ceramic tile or the porcelain plate, and the grinding head can be suitable for grinding thicker ceramic tiles.
Preferably, when n is a double number, the right arc-shaped inclined plane 312 of the grinding head of the nth row to the (n/2) +2 th row of the utility model inclines upwards towards the right and forms an included angle theta with the horizontal plane2Increase in order from outside to inside, and theta2The degree of the grinding head is 40-50 degrees, the incremental degree is 2-3 degrees, when the elastic grinding block grinds the ceramic tile or the porcelain plate, the right arc-shaped inclined plane 312 is firstly in inclined contact with the surface of the ceramic tile or the porcelain plate, and the grinding head can be suitable for grinding thicker ceramic tiles.
Preferably, when n is singular, the left arc-shaped inclined plane 311 of the grinding head of the 1 st to (n-1)/2 nd columns of the utility model inclines leftwards and upwards to form an included angle theta with the horizontal plane1Sequentially increasing from outside to inside, and forming an included angle theta of the 1 st row of grinding heads1The degree of (2) is 25 degrees, and the incremental degree is 2 degrees; the grinding heads in the (n +1)/2 th row are approximately trapezoidal, the length of the lower surface is smaller than that of the upper surface, and the included angles between the two side surfaces and the horizontal plane are both 65 degrees; the right arc-shaped inclined plane 312 of the grinding head from the nth row to the ((n +1)/2) +1) th row inclines towards the right and upwards forms an included angle theta with the horizontal plane2The included angle theta of the grinding heads of the n-th row is gradually increased from outside to inside2The degree of (2) is 25 degrees, and the incremental degree is 2 degrees; or,
preferably, when n is a double number, the left arc-shaped inclined plane 311 of the grinding head in the 1 st to (n/2) -1 st columns of the utility model inclines leftwards and upwards to form an included angle theta with the horizontal plane1Sequentially increasing from outside to inside, and forming an included angle theta of the 1 st row of grinding heads1The degree of (2) is 25 degrees, and the incremental degree is 2 degrees; the grinding heads of the (n/2) th row and the (n/2) +1 th row are approximately trapezoidal, the length of the lower surface is smaller than that of the upper surface, and the included angles between the two side surfaces of the grinding heads and the horizontal plane are both 65 degrees; the right arc-shaped inclined plane 312 of the grinding head from the nth row to the (n/2) +2 th row inclines towards the right and upwards forms an included angle theta with the horizontal plane2The included angle theta of the grinding heads of the n-th row is gradually increased from outside to inside2Is 25 degrees and the incremental degree is 2 degrees.
When the elastic grinding block grinds the ceramic tiles or the ceramic plates, the left arc-shaped inclined surface 311 or the right arc-shaped inclined surface 312 is in inclined contact with the surfaces of the ceramic tiles or the ceramic plates at first, the contact angle is 20 degrees, and then the contact angles gradually decrease by 2 degrees from outside to inside in sequence, so that the ceramic tiles or the ceramic plates are not easy to block during grinding, the heat dissipation performance is good, the materials are saved, and the service life is prolonged.
While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The elastic grinding block is characterized by comprising a base, an elastic body and a grinding material layer, wherein the elastic body is made of elastic materials, the front side of the elastic body is of an arc-shaped structure, the back side of the elastic body is of a plane structure, the back side of the elastic body is connected to the base, and the grinding material layer is connected to the front side of the elastic body;
a plurality of deformation spaces are arranged between the front surface and the back surface of the elastic body, and the deformation spaces are arranged in an array; the grinding layer is composed of a plurality of grinding heads, the grinding heads are provided with m rows and n columns, n is more than or equal to 3, and m is more than or equal to 3; wherein,
when n is singular, the grinding heads of the 1 st to (n-1)/2 nd columns have R-shaped radian structures, and the grinding heads have the same structureThe left arc inclined plane inclines leftwards and upwards and forms an included angle theta with the horizontal plane1The included angle theta from the 1 st column to the (n-1)/2 nd column1The angles are sequentially increased, the grinding heads in the (n +1)/2 th row are in a trapezoid shape, the length of the lower surface is smaller than that of the upper surface, the grinding heads in the (n +1)/2) +1 th row to the n th row have an R-shaped radian structure, and the right arc-shaped inclined plane of the grinding heads inclines upwards towards the left, and forms an included angle theta with the horizontal plane2The angle θ between the n-th row to the ((n +1)/2) + 1-th row2The angles are sequentially increased;
when n is a double number, the grinding heads of the 1 st to (n/2) -1 st rows have R-shaped radian structures, and the left arc inclined plane inclines upwards towards the left, and the included angle between the left arc inclined plane and the horizontal plane is theta1The included angle theta from the 1 st column to the (n-1)/2 nd column1The angles are sequentially increased, the grinding heads in the (n/2) th row and the (n/2) th plus 1 st row have the same structure, are trapezoidal, the length of the lower surface is smaller than that of the upper surface, the grinding heads in the (n/2) th plus 2 th row to the n (n) th row have R-shaped radian structures, and the right arc-shaped inclined plane of the grinding heads inclines upwards towards the left, and forms an included angle theta with the horizontal plane2The angle theta from the nth row to the (n/2) +2 th row2The angles are sequentially increased.
2. The high resilience abrasion resistant resilient abrasive block of claim 1, wherein said included angle θ1The incremental values of the angle theta are the same and are 2-5 degrees1The degree of (A) is 15-60 degrees;
the angle theta2The incremental values of the angle theta are the same and are 2-5 degrees1The degree of (2) is 15-60 degrees.
3. The high resilience abrasion resistant resilient abrasive block of claim 2, wherein said included angle θ1The incremental value of (a) is 2-3 degrees, and the included angle theta1The degree of (2) is 20-30 degrees.
4. The high resilience abrasion resistant resilient abrasive block of claim 2, wherein said included angle θ2The incremental value of (a) is 2-3 degrees, and the included angle theta1The degree of (2) is 40-50 degrees.
5. The high-elasticity abrasion-resistant elastic grinding block according to claim 2, wherein when n is singular, the included angles between the two side surfaces of the grinding head in the (n +1)/2 th row and the horizontal plane are both 55-75 degrees;
when n is a double number, included angles between two side surfaces of grinding heads of the (n/2) th row and the (n/2) +1 st row and a horizontal plane are both 55-75 degrees.
6. A highly elastic and abrasion-resistant elastic abrasive block according to claim 1, wherein the grinding heads of columns 1 to (n-1)/2 and the grinding heads of columns ((n +1)/2) +1 to n are symmetrical about the central axis of the grinding head of column (n +1)/2, or the grinding heads of columns 1 to (n/2) -1 and the grinding heads of columns (n/2) +2 to n are symmetrical about the central axes of the grinding heads of columns n/2 and (n/2) + 1.
7. The high-elasticity abrasion-resistant elastic grinding block according to claim 1, wherein the deformation space is provided with h rows and k columns, wherein h is more than or equal to 5, and k is more than or equal to 5.
8. The high resilience wear-resistant resilient abrasive block according to claim 1, wherein all of the deformable cavities have a cross-sectional shape of a strip.
9. The high resilience abrasion resistant resilient abrasive block according to claim 1, wherein said abrasive head is formed of a resin having diamond uniformly distributed therein;
the elastomer is made of soft rubber or soft plastic.
10. The high resilience wear-resistant resilient grinding block of claim 1, wherein the base is provided with a groove for mounting the resilient body, and the back surface of the resilient body is mounted in the groove of the base.
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