CN211029664U

CN211029664U - Grinding tool

Info

Publication number: CN211029664U
Application number: CN201922183469.4U
Authority: CN
Inventors: 唐桂炎
Original assignee: Xiamen Zl Diamond Technology Co ltd
Current assignee: Xiamen Zl Diamond Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-17
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to a grinding tool, include the base and fix the abrasive disc on this base, the abrasive disc includes the fixed plate made by metal material and a plurality of abrasive bricks on the welded fastening is in this fixed plate top surface outside, the fixed plate set firmly in on the base, just the bottom surface of fixed plate with still set firmly the multi-disc spring steel sheet of range upon range of setting, multi-disc between the base spring steel sheet is in order to form to the fixed plate and support and make the unsettled setting in base top of all abrasive bricks on this fixed plate to solve the short problem of current elasticity grinding apparatus life.

Description

Grinding tool

Technical Field

The utility model relates to a grinding tool field specifically is to relate to a grinding apparatus.

Background

In the existing process of processing materials such as stone, ceramics and the like, special polishing machine equipment is needed to finish the polishing operation. In the production process, the decorative surfaces of stones, ceramics and the like need to be polished, and the polishing work is generally carried out by adopting a traditional rigid grinding tool which consists of a grinding tool base body and a hard grinding material fixedly connected with the grinding tool base body. And then the blank is arranged on a polishing machine to be used as a polishing grinding tool to polish the blank. However, when the rigid hard grinding tool is used for polishing and grinding stone and ceramic, the common rigid grinding tool is easy to crack the brick due to large vibration. And the cutting amount of the rigid grinding tool is relatively fixed and cannot be changed along with slight change of the surface thickness of the thin plate, and when the thickness of a product fluctuates, the problems of missing polishing, poor polishing quality and the like can be caused, so that the polishing effect of the rigid grinding tool is influenced.

Therefore, the elastic grinding tool which fixes the grinding block on the base made of plastic through glue or plastic coating mode is appeared in the prior art, but during polishing and grinding, the base can deform, so that the grinding block is easy to loosen and fall off, the grinding tool cannot be used, and the service life of the grinding tool is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grinding apparatus to solve the short problem of current elasticity grinding apparatus life.

The specific scheme is as follows:

the grinding tool comprises a base and a grinding disc fixed on the base, wherein the grinding disc comprises a fixing plate made of a metal material and a plurality of grinding blocks welded and fixed on the outer side of the top surface of the fixing plate, the fixing plate is fixedly arranged on the base, a plurality of spring steel sheets are fixedly arranged between the bottom surface of the fixing plate and the base in a stacking mode, and the spring steel sheets support the fixing plate and enable all the grinding blocks on the fixing plate to be suspended above the base.

Further, the fixed plate is including being located the first fixed part at middle part and by a plurality of first wing plate portions that first fixed part week side outwards extended the setting, and it has an abrasive brick all to weld on each first wing plate portion, the spring steel piece is including the second fixed part that is located the middle part and by a plurality of second wing plate portions that second fixed part week side outwards extended the setting, the second fixed part supports first fixed part, second wing plate portion supports first wing plate portion.

Furthermore, the plurality of spring steel sheets are sequentially stacked from the base to the fixing plate, and the plurality of spring steel sheets stacked from the base to the fixing plate are defined as a first spring steel sheet, a second spring steel sheet, … … N-1 th spring steel sheet and an N-th spring steel sheet, wherein the extending length of the second wing plate part of the N-th spring steel sheet is greater than the extending length of the second wing plate part of the N-1 th spring steel sheet.

Further, the second flap portion of the Nth spring steel sheet covers the second flap portion of the N-1 th spring steel sheet.

Furthermore, the adjacent two first wing plate parts are arranged at intervals, and the grinding blocks on the plurality of first wing plate parts are circumferentially and uniformly distributed on the outer peripheral side of the first fixing part.

Furthermore, the grinding block welded and fixed on the first wing plate part does not exceed the area of the first wing plate part where the grinding block is located.

Further, the grinding blocks are grinding blocks with fan-shaped shapes.

Furthermore, the base is provided with a plurality of screw holes in the area opposite to the first fixing portion and the second fixing portion, the first fixing portion and the second fixing portion are provided with a plurality of fixing through holes opposite to the screw holes, the base is further provided with a plurality of bolts, and the bolts penetrate through the fixing through holes to be locked in the screw holes so as to fix the fixing plate and the spring steel sheet on the base.

Further, the fixing plate is made of a spring steel sheet.

Further, the base is made of a metal material.

The utility model provides a grinding apparatus compares with prior art and has following advantage: the utility model provides a grinding apparatus's abrasive brick adopts the welded mode to fix on the fixed plate, and the abrasive brick is supported by spring steel sheet and realize unsettled setting, when the polishing grinding, the abrasive brick can produce elastic deformation to a certain extent by spring steel sheet and abrasive brick and the space between the base, make the abrasive brick receive the impact force when the polishing grinding and obtain effectual buffering, the fixed strength of abrasive brick is far greater than the fixed strength that glue or package were moulded, when the polishing grinding, the problem that not hard up droing can not take place for the abrasive brick, consequently, this grinding apparatus had both possessed the fixed strength of rigidity grinding apparatus, the shock-absorbing capacity of elasticity grinding apparatus has been possessed again, it is more steady when this grinding apparatus possesses the polishing grinding, evenly and long service life's advantage.

Drawings

Figure 1 shows a schematic representation of an abrasive article.

Figure 2 shows a cross-sectional view of the abrasive article.

Fig. 3 shows a schematic view of a refiner plate.

Fig. 4 shows an exploded view of a plurality of spring steel sheets.

Fig. 5 shows a schematic view of the base.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 and 2, the present embodiment provides an abrasive tool including a base 1 and a grinding chip 2 fixed on the base 1. The base 1 in this embodiment is preferably made of a metal material, and the base in this embodiment is machined from a steel plate so that the base 1 is a rigid base.

Specifically, the grinding chip 2 includes a fixing plate 20 made of a metal material and a plurality of grinding blocks 21 welded and fixed on an outer side of a top surface of the fixing plate 20. In the present embodiment, the fixing plate 20 is preferably made of a spring steel sheet, so that the fixing plate 20 has certain rigidity and elasticity. A plurality of spring steel sheets 3 are fixedly arranged between the bottom surface of the fixed plate 20 and the base 1 in a stacked manner, and the plurality of spring steel sheets 3 support the fixed plate 20 and enable all the grinding blocks 21 on the fixed plate 20 to be arranged above the base 1 in a suspended manner.

Because the unsettled setting of abrasive brick 21, when the polishing grinding, abrasive brick 21 can produce elastic deformation to a certain extent by spring steel sheet 3 and the space between abrasive brick 21 and the base 1, make the abrasive brick receive the impact force when the polishing grinding and obtain effectual buffering, and the abrasive brick adopts the welded mode to fix on fixed plate 20, its fixed strength is far greater than glue or the fixed strength of package moulding, when the polishing grinding, the abrasive brick can not take place not hard up the problem that drops, consequently, this grinding apparatus had both possessed the fixed strength of rigidity grinding apparatus, the shock-absorbing capacity of elasticity grinding apparatus has been possessed again, more steady when the grinding apparatus possesses the polishing grinding, even and long service life's advantage.

Referring to fig. 3, as a preferred embodiment of the present invention, the fixing plate 20 includes a first fixing portion 200 located at the middle portion and a plurality of first wing plate portions 201 extending outward from the periphery of the first fixing portion 200, and each of the first wing plate portions 201 is welded with a grinding block 21. In the present embodiment, the number of the grinding blocks 21 is 6 for example, but the present invention is not limited thereto, and the number thereof may be increased or decreased according to actual requirements. The 6 grinding blocks 21 are uniformly arranged on the outer side of the first fixing portion 200 in a circumferential manner, and the corresponding 6 first wing plate portions 201 are divergently arranged by taking the first fixing portion 200 in the middle as the center.

Correspondingly, referring to fig. 4, the plurality of spring steel sheets are sequentially stacked from the base 1 toward the fixing plate 20, and the plurality of spring steel sheets stacked from the base 1 toward the fixing plate 20 are defined as a first spring steel sheet, a second spring steel sheet, … … N-1 th spring steel sheet and an N-th spring steel sheet. In the present embodiment, 4 spring steel sheets including the first spring steel sheet 31, the second spring steel sheet 32, the third spring steel sheet 33 and the fourth spring steel sheet 34 are exemplified, but the present invention is not limited thereto, and the number thereof may be increased or decreased according to actual requirements. Each spring steel sheet comprises a second fixing part positioned in the middle and a plurality of second wing plate parts extending outwards from the periphery of the second fixing part. Taking the first spring steel sheet 31 as an example, it includes the second fixed portion 310 located in the middle and 6 second wing plate portions 311 extending outward from the peripheral side of the second fixed portion 310, the second fixed portions of all spring steel sheets support the first fixed portion 200 of the fixed plate 20 to lift the fixed plate 20 and keep away from the base 1, and each second wing plate portion of all spring steel sheets is disposed corresponding to a first wing plate portion 201 of the fixed plate 20 to support the first wing plate portion 201 of the fixed plate 20, so that each first wing plate portion 201 on the fixed plate 20 is supported by an independent second wing plate portion, so that each grinding block 21 can be elastically deformed independently to a certain extent, and other grinding blocks cannot be affected, each grinding block 21 can be changed along with slight change of the surface thickness of the grinding piece, and has better grinding effect.

Preferably, the second plate portion of the upper spring steel plate extends a greater length than the second plate portion of the lower spring steel plate, i.e., the second plate portion of the Nth spring steel plate extends a greater length than the second plate portion of the Nth-1 th spring steel plate. If the overhanging length of the second wing plate part of the fourth spring steel sheet 34 is greater than the overhanging length of the second wing plate part of the third spring steel sheet 33, and a step-shaped suspension space is formed between the grinding block 21 and the base 1 by a plurality of spring steel sheets, the deformation amount and the deformation space of the grinding block 21 are increased from inside to outside so as to meet different grinding requirements.

More preferably, the second alar plate portion of the spring steel sheet that lies in the top hides the second alar plate portion of the spring steel sheet of below, like this embodiment, the second alar plate portion of all spring steel sheets is the fan-shaped of concentric circles setting, and the angle of each second alar plate portion is all roughly the same, and the difference of the second alar plate portion on the different spring steel sheets lies in its outer edge and the centre of a circle between the interval different to be convenient for processing, the assembly of spring steel sheet, and the outward appearance after the assembly is also cleaner and tidier.

Preferably, referring to fig. 1, the grinding blocks 21 welded and fixed to the first flap part 201 do not exceed the area of the first flap part 201 where the grinding blocks are located, that is, each grinding block 21 is located in the area of the first flap part 201 where the grinding block is located, so that each area of the grinding block 21 can have a certain deformation amount. The abrasive segments 21 preferably have a fan-shaped configuration corresponding to the first blade portion 201 of the fixed plate 20.

Preferably, referring to fig. 1-5, the base 1 has a plurality of screw holes 10 in the regions facing the first fixing portion 200 of the fixing plate 20 and the second fixing portion of the spring steel plate 3, the first fixing portion 200 and the second fixing portion are provided with a plurality of fixing through holes 40 facing the screw holes 10, and the base 1 is further provided with a plurality of bolts (not shown) passing through the fixing through holes 40 and locked in the screw holes 10 to fix the fixing plate 20 and all the spring steel plates 3 on the base 1, thereby completing the assembly of the grinding tool. In this embodiment, it is preferable that the first fixing portion 200 of the fixing plate 20 and the second fixing portions of all the spring steel sheets are structures having the same outer shape and size, such as the circular first fixing portion 200 and the circular second fixing portion in this embodiment, so as to facilitate the processing of the first fixing portion 200 and the second fixing portion and the processing of the fixing through hole 40.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An abrasive tool, includes base and fixes the abrasive disc on this base, its characterized in that: the grinding sheet comprises a fixing plate made of a metal material and a plurality of grinding blocks welded and fixed on the outer side of the top surface of the fixing plate, the fixing plate is fixedly arranged on the base, a plurality of spring steel sheets are fixedly arranged between the bottom surface of the fixing plate and the base in a stacked mode, the spring steel sheets support the fixing plate, and all the grinding blocks on the fixing plate are arranged above the base in a hanging mode.

2. The abrasive article of claim 1, wherein: the fixed plate is including being located the first fixed part at middle part and by a plurality of first wing plate portions that first fixed part week side outwards extended the setting, all welds on each first wing plate portion has an abrasive brick, the spring steel piece is including the second fixed part that is located the middle part and by a plurality of second wing plate portions that second fixed part week side outwards extended the setting, the second fixed part supports first fixed part, second wing plate supports first wing plate portion.

3. The abrasive article of claim 2, wherein: the spring steel sheets are sequentially stacked from the base to the fixing plate, the spring steel sheets stacked from the base to the fixing plate are defined as a first spring steel sheet, a second spring steel sheet, … … N-1 th spring steel sheet and an N-th spring steel sheet, wherein the extending length of the second wing plate part of the N-th spring steel sheet is larger than the extending length of the second wing plate part of the N-1 th spring steel sheet.

4. The abrasive article of claim 3, wherein: the second wing plate part of the Nth spring steel sheet covers the second wing plate part of the N-1 th spring steel sheet.

5. The abrasive article of claim 3, wherein: the adjacent two first wing plate parts are arranged at intervals, and the grinding blocks on the plurality of first wing plate parts are circumferentially and uniformly distributed on the outer peripheral side of the first fixing part.

6. The abrasive article of claim 2, wherein: the grinding block welded and fixed on the first wing plate part does not exceed the area of the first wing plate part where the grinding block is located.

7. The abrasive article of claim 6, wherein: the grinding block is a fan-shaped grinding block.

8. The abrasive article of claim 2, wherein: the base is provided with a plurality of screw holes in the area opposite to the first fixing portion and the second fixing portion, the first fixing portion and the second fixing portion are provided with a plurality of fixing through holes opposite to the screw holes, the base is further provided with a plurality of bolts, and the bolts penetrate through the fixing through holes to be locked in the screw holes so as to fix the fixing plate and the spring steel sheet on the base.

9. The abrasive article of claim 1, wherein: the fixed plate is made of a spring steel sheet.

10. The abrasive article of claim 1, wherein: the base is made of a metal material.