Round-corner helical-tooth elastic grinding block

Abstract

The utility model discloses a fillet helical tooth elastic grinding block which comprises first grinding teeth, second grinding teeth, a clamping seat and an elastic cushion, the elastic cushion is arranged above the clamping seat, the first grinding teeth and the second grinding teeth are arranged on the elastic cushion in an array mode, and the tail ends of the first grinding teeth and the tail ends of the second grinding teeth are chamfered. The first grinding teeth are arranged at the corner parts of the elastic cushion and used for enhancing the polishing and grinding strength of the corner parts of the elastic grinding block, the first grinding teeth extend in the length direction of the elastic cushion, the second grinding teeth are arranged at the side edge parts, the end edge parts and the middle part of the elastic cushion, and the grinding surfaces of the first grinding teeth are more than twice larger than the grinding surfaces of the second grinding teeth. Therefore, the first grinding teeth and the second grinding teeth which are subjected to chamfering treatment have better polishing and anti-scratch effects, and the grinding surfaces of the first grinding teeth are increased, so that the contact area between the corner parts of the elastic grinding blocks and the brick surface is increased, the conditions of corner breakage and edge breakage of the grinding teeth are prevented, and the effects of improving the polishing machining quality of the brick surface and the like are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing grinding blocks, in particular to an elastic grinding block with rounded bevel teeth. Background Art

[0002] Since elastic grinding blocks have the characteristics of good profiling effect, strong grinding ability, high glaze gloss and no wear marks, elastic grinding blocks are usually used to perform profiling full polishing or semi-polishing on antique tiles, polished crystal tiles and glazed tiles. Figure 1-2 The elastic grinding block shown is used to polish the brick surface of the above brick type. The elastic grinding block is composed of a clamping seat 10', a rubber pad 20' installed on the clamping seat 10' and a grinding tooth installed on the rubber pad 20'. The grinding teeth are square grinding teeth 30' with a square structure, and the brick surface is subjected to a profiling polishing process by the square grinding teeth 30'.

[0003] Although the elastic grinding block with square grinding teeth 30' can perform basic polishing on the brick surface, it still has the following defects:

[0004] 1. The existing elastic grinding block has several square grinding teeth 30', and the tooth shapes of the corners, edges and middle parts of the elastic grinding block are the same. When the grinding disc applies pressure to the elastic grinding block, the grinding teeth at the four corners of the elastic grinding block will first contact the brick surface, and a certain collision force will be generated between the square grinding teeth 30' and the brick surface, and the corners of the square grinding teeth 30' will scratch the brick surface; and the grinding teeth at the corners are subjected to greater force and are prone to corner and edge collapse. The resulting corner and edge collapse will also cause multiple scratches on the brick surface, affecting the quality of the profiling polishing of the brick surface; in addition, the square grinding teeth 30' are also prone to sticking and grinding during production, which increases the difficulty of demoulding.

[0005] 2. Several square grinding teeth 30' of the existing elastic grinding block are arranged at intervals to form longitudinal and transverse chip grooves. In the square polishing of the brick surface, the longitudinal and transverse chip grooves are not ideal for discharging the grinding chips and debris. The grinding chips and debris are easily accumulated in the chip grooves due to the gravity, which affects the contour polishing of the brick surface. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model aims to provide an elastic grinding block with rounded bevel teeth.

[0007] The purpose of the utility model is achieved by the following technical solution: a rounded helical tooth elastic grinding block, comprising a first grinding tooth, a second grinding tooth, a clamping seat and an elastic pad, wherein the elastic pad is arranged above the clamping seat, a plurality of the first grinding teeth and the second grinding teeth are arranged in an array on the elastic pad, and the ends of the first grinding teeth and the second grinding teeth are chamfered;

[0008] The first grinding teeth are arranged at the corners of the elastic pad to enhance the polishing strength of the corners of the elastic grinding block. The first grinding teeth are extended along the length direction of the elastic pad. The second grinding teeth are arranged at the side edges, end edges and middle part of the elastic pad, and the grinding surface of the first grinding teeth is more than twice larger than the grinding surface of the second grinding teeth.

[0009] Furthermore, the chamfer size range of the first grinding tooth and the second grinding tooth is R4-R6mm.

[0010] Furthermore, the second grinding teeth located at the side and middle parts of the elastic pad are inclined, and the second grinding teeth located at the end parts of the elastic pad are horizontally arranged, and a longitudinal chip groove and a transverse chip groove connected to each other are formed between the first grinding teeth and the second grinding teeth, and the transverse chip groove is inclined.

[0011] Furthermore, the second grinding teeth located at the end edge of the elastic pad are arranged between the two first grinding teeth, and the outer sides of the first grinding teeth and the second grinding teeth are arranged flush.

[0012] Furthermore, the inclination angle of the transverse chip groove is 13°-18°.

[0013] Furthermore, the inclination angle of the transverse chip groove is 15°.

[0014] Furthermore, the groove width of the longitudinal chip groove is equal to the groove width of the transverse chip groove.

[0015] Furthermore, the first grinding tooth has a long side and a short side, the long side is parallel to the long side of the elastic pad, one of the short sides is parallel to the short side of the elastic pad, and the other short side is inclined to form an inclined transverse chip groove.

[0016] Furthermore, a mounting block is provided at the bottom end of the first grinding tooth and the second grinding tooth, and the mounting block is integrally formed with the first grinding tooth and the second grinding tooth, and the first grinding tooth and the second grinding tooth are fixedly connected to the elastic pad via the mounting block.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] (1) The ends of the first grinding teeth and the second grinding teeth provided in the present application are chamfered, which has better polishing and anti-scratch effects than square grinding teeth; and the first grinding teeth are provided on the four corners at both ends of the elastic pad, and the second grinding teeth are provided on the side, end and middle of the elastic pad. The grinding surface of the first grinding teeth is provided to be more than twice larger than the grinding surface of the second grinding teeth, so as to increase the contact area when the elastic grinding block first contacts the brick surface and enhance the polishing strength of the elastic grinding block; compared with the previous elastic grinding blocks provided with square grinding teeth of uniform size, the present application reduces the force applied to the grinding teeth when they first contact the brick surface to a greater extent, avoids the occurrence of corner and edge chipping when the first grinding teeth and the second grinding teeth contact the brick surface, avoids scratches on the brick surface, and improves the polishing quality of the brick surface; in addition, during the production of the grinding teeth, the rounded corner grinding teeth will not stick to the mold, and the demolding effect is better.

[0019] (2) A longitudinal chip groove and a transverse chip groove are formed between the first grinding teeth and the second grinding teeth, which are used to discharge grinding and debris generated during polishing. In addition, by tilting the second grinding teeth at the side and middle parts of the elastic pad, the discharge speed of grinding and debris is further increased, thereby preventing the grinding from remaining on the brick surface for a long time and causing scratches. In addition, by horizontally arranging the second grinding teeth at the end edges of the elastic pad and aligning them with the first grinding teeth, the first grinding teeth and the second grinding teeth are subjected to more uniform force when in contact with the brick surface, thereby further improving the polishing quality of the brick surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of an elastic grinding block with square grinding teeth in the prior art;

[0021] Figure 2 A side view of an elastic grinding block with square grinding teeth in the prior art;

[0022] Figure 3 A three-dimensional diagram of a rounded helical tooth elastic grinding block in a preferred embodiment of the utility model;

[0023] Figure 4 It is a side view of a rounded helical tooth elastic grinding block in a preferred embodiment of the utility model;

[0024] Figure 5 It is a top view of the elastic grinding block with rounded bevel teeth in a preferred embodiment of the utility model.

[0025] In the figure:

[0026] 10', card holder; 20', rubber pad; 30', square grinding teeth;

[0027] 10. Booth;

[0028] 20, elastic pad; 201, side portion; 202, end portion; 203, middle portion;

[0029] 30, first grinding tooth; 301, long side; 302, short side; 31, second grinding tooth; 32, grinding surface; 33, mounting block;

[0030] 40. Longitudinal chip groove; 41. Transverse chip groove. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0032] like Figure 3-5 As shown, a rounded beveled elastic grinding block is used for full polishing or semi-polishing of antique bricks, polished crystal bricks, glazed bricks and other brick surfaces. The rounded beveled elastic grinding block includes a first grinding tooth 30, a second grinding tooth 31, a holder 10 and an elastic pad 20, wherein the holder 10 serves as a carrier fixedly connected to the grinding disc, the lower part of the holder 10 is dovetailed for grinding and polishing assembly, and the upper part of the holder 10 is concave to form a mounting groove for mounting the elastic pad 20.

[0033] The lower part of the elastic pad 20 is installed in the mounting groove of the card seat 10, and then the elastic pad 20 is arranged above the card seat 10, and the upper part of the elastic pad 20 is set as a working surface for mounting the first grinding teeth 30 and the second grinding teeth 31. A plurality of the first grinding teeth 30 and the second grinding teeth 31 are provided, and the bottom ends of the plurality of first grinding teeth 30 and the second grinding teeth 31 are connected to each other to form a mounting block 33, so that the plurality of first grinding teeth 30 and the second grinding teeth 31 are arranged in an array on the mounting block 33. The mounting block 33 is an arc block and matches the working surface of the elastic pad 20, so that the plurality of first grinding teeth 30 and the second grinding teeth 31 are glued and connected to the working surface of the elastic pad 20 through the mounting block 33.

[0034] In order to prevent the corner and edge from breaking when the grinding teeth contact the brick surface, the ends of the first grinding teeth 30 and the second grinding teeth 31 are chamfered. The chamfer size range of the first grinding teeth 30 and the second grinding teeth 31 is R4-R6mm, and the preferred chamfer size is R4.5mm. By setting the first grinding teeth 30 and the second grinding teeth 31 with rounded corners, better polishing and anti-scratch effects are achieved compared to square grinding teeth.

[0035] The ends of the first grinding tooth 30 and the second grinding tooth 31 serve as grinding surfaces 32 for grinding polished brick surfaces, and the grinding surface 32 of the first grinding tooth 30 is set to be larger than the grinding surface 32 of the second grinding tooth 31. In actual use, the grinding surface 32 of the first grinding tooth 30 is more than twice larger than the grinding surface 32 of the second grinding tooth 31.

[0036] In this way, according to the polishing action of swinging left and right with the longitudinal center line of the elastic grinding block and rotating with the center of the elastic grinding block, it is preferred to set the first grinding teeth 30 at the corners of the four corners of the elastic pad 20, and the first grinding teeth 30 are extended along the length direction of the elastic pad 20, and the second grinding teeth 31 are set on the side edge 201, end edge 202 and middle 203 of the elastic pad 20.

[0037] By setting the grinding surfaces 32 of the first grinding teeth 30 and the second grinding teeth 31 in proportion and arranging their positions on the elastic grinding block, the elastic grinding block can first contact the brick surface through the first grinding teeth 30 with a larger grinding surface 32, thereby increasing the contact area of ​​the elastic grinding block when it is first in contact with the brick surface and enhancing the polishing strength of the elastic grinding block. Compared with the previous elastic grinding blocks with square grinding teeth of uniform size, the present application reduces the force on the grinding teeth when they first contact the brick surface to a greater extent, avoids the occurrence of corner and edge collapse when the first grinding teeth 30 and the second grinding teeth 31 contact the brick surface, avoids scratches on the brick surface, and improves the polishing quality of the brick surface; in addition, during the production of grinding teeth, this rounded grinding tooth will not stick to the mold, and the demolding effect is better.

[0038] In the embodiment of the present application, the second grinding teeth 31 of the side portions 201 and the middle portion 203 of the elastic pad 20 are tilted, and the side portions 201 of the elastic pad 20 are the two sides in the length direction of the elastic pad 20. The second grinding teeth 31 of the end portions 202 of the elastic pad 20 are horizontally set, and the horizontally set second grinding teeth 31 are also arranged between the two first grinding teeth 30. The end portions 202 of the elastic pad 20 are the two sides in the width direction of the elastic pad 20.

[0039] More specifically, the first grinding tooth 30 provided in the present application is preferably extended in the length direction of the elastic pad 20, and the first grinding tooth 30 is provided with a long side portion 301 and a short side portion 302, and the long side portion 301 of the first grinding tooth 30 is parallel to the side edge portion 201 of the longer side of the elastic pad 20, one of the short sides 302 of the first grinding tooth 30 is parallel to the end edge portion 202 of the shorter side of the elastic pad 20, and the other short side portion 302 of the first grinding tooth 30 is inclined.

[0040] In practice, in addition to the horizontally arranged second grinding teeth 31, an inclined second grinding tooth 31 is also arranged between the two first grinding teeth 30, wherein the end edge 202 of the first grinding tooth 30 parallel to the shorter side of the elastic pad 20 is parallel to and flush with the outer side of the horizontally arranged second grinding tooth 31, and an inclined short side 302 of the first grinding tooth 30 is parallel to and flush with the outer side of the inclined second grinding tooth 31. Therefore, by optimizing the arrangement between the long side 301 and the short side 302 of the first grinding tooth 30 and each second grinding tooth 31, the first grinding tooth 30 and the second grinding tooth 31 are subjected to more uniform force when in contact with the brick surface, thereby further improving the polishing quality of the brick surface.

[0041] According to the optimized design of the first grinding teeth 30 and the second grinding teeth 31 on the elastic pad 20, in the transverse direction of the elastic pad 20, a transverse chip removal groove 41 is formed between the inclined rows of the second grinding teeth 31, and a transverse chip removal groove 41 is formed between the inclined short side 302 of the first grinding teeth 30 and the inclined row of second grinding teeth 31. The inclination angle α1 of the transverse chip removal groove 41 is set to 13°-18°. In practice, the inclination angle α1 of the transverse chip removal groove 41 is preferably set to 15° to achieve the best chip removal effect. Moreover, the chip removal direction of the several rows of transverse chip removal grooves 41 is extended toward the left and right side edges 201 of the elastic pad 20, and the several rows of transverse chip removal grooves 41 are arranged toward the front and rear end edges 202 of the elastic pad 20. By setting several rows of inclined transverse chip removal grooves 41, the discharge speed of grinding and debris during brick surface polishing can be improved.

[0042] In addition, in the longitudinal direction of the elastic pad 20, a longitudinal chip removal groove 40 is formed between the inclined rows of second grinding teeth 31, and the long side 301 of the first grinding teeth 30 and the second grinding teeth 31 arranged between the two first grinding teeth 30 form a longitudinal chip removal, and the inclination angle α2 of the longitudinal chip removal groove 40 is set to 90°. The chip removal direction of the plurality of rows of longitudinal chip removal grooves 40 is extended toward the front and rear end edges 202 of the elastic pad 20, and the plurality of rows of longitudinal chip removal grooves 40 are arranged toward the left and right side edges 201 of the elastic pad 20.

[0043] In this way, through the interconnected arrangement of the longitudinal chip groove 40 and the transverse chip groove 41, the grinding and debris can be discharged smoothly, and the groove width of the longitudinal chip groove 40 is set equal to the groove width of the transverse chip groove 41, which further improves the discharge speed of the grinding and debris and avoids scratches caused by grinding remaining on the brick surface for a long time.

[0044] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A rounded helical tooth elastic grinding block, characterized in that: It comprises a first grinding tooth, a second grinding tooth, a clamping seat and an elastic pad, wherein the elastic pad is arranged above the clamping seat, a plurality of the first grinding teeth and the second grinding teeth are arranged in an array on the elastic pad, and the ends of the first grinding teeth and the second grinding teeth are chamfered; The first grinding teeth are arranged at the corners of the elastic pad to enhance the polishing strength of the corners of the elastic grinding block. The first grinding teeth are extended along the length direction of the elastic pad. The second grinding teeth are arranged at the side edges, end edges and middle part of the elastic pad, and the grinding surface of the first grinding teeth is more than twice larger than the grinding surface of the second grinding teeth.

2. The elastic grinding block with rounded bevel teeth as claimed in claim 1, characterized in that: The chamfer size range of the first grinding tooth and the second grinding tooth is R4-R6mm.

3. The elastic grinding block with rounded bevel teeth as claimed in claim 1, characterized in that: The second grinding teeth located at the side and middle parts of the elastic pad are inclined, and the second grinding teeth located at the end parts of the elastic pad are horizontally arranged. A longitudinal chip groove and a transverse chip groove connected to each other are formed between the first grinding teeth and the second grinding teeth, and the transverse chip groove is inclined.

4. The elastic grinding block with rounded helical teeth as claimed in claim 3, characterized in that: The second grinding teeth located at the end edge of the elastic pad are arranged between the two first grinding teeth, and the outer sides of the first grinding teeth and the second grinding teeth are arranged flush.

5. The elastic grinding block with rounded bevel teeth as claimed in claim 3, characterized in that: The inclination angle of the transverse chip groove is 13°-18°.

6. The elastic grinding block with rounded bevel teeth as claimed in claim 5, characterized in that: The inclination angle of the transverse chip groove is 15°.

7. The elastic grinding block with rounded helical teeth as claimed in claim 5, characterized in that: The groove width of the longitudinal chip removal groove is equal to the groove width of the transverse chip removal groove.

8. The elastic grinding block with rounded helical teeth as claimed in claim 5, characterized in that: The first grinding tooth has a long side and a short side, the long side is parallel to the long side of the elastic pad, one of the short sides is parallel to the short side of the elastic pad, and the other short side is inclined to form an inclined transverse chip removal groove.

9. The elastic grinding block with rounded helical teeth according to any one of claims 1 to 8, characterized in that: The bottom ends of the first grinding teeth and the second grinding teeth are provided with mounting blocks, the mounting blocks are integrally formed with the first grinding teeth and the second grinding teeth, and the first grinding teeth and the second grinding teeth are fixedly connected to the elastic pad via the mounting blocks.

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