CN216265397U

CN216265397U - Grinding and polishing disk connecting assembly

Info

Publication number: CN216265397U
Application number: CN202122734288.3U
Authority: CN
Inventors: 夏东武
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-12
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a grinding and polishing disc connecting assembly which comprises a grinding and polishing disc, a bolt, an upper disc body and a lower disc body, wherein the upper disc body and the lower disc body are coaxially stacked, the upper disc body is attached to the top surface of the grinding and polishing disc, the lower disc body is attached to the bottom surface of the grinding and polishing disc, a limiting hole for accommodating a screw head of the bolt is formed in the center of the upper disc body, through holes for the rod body of the bolt to penetrate are formed in the center of the lower disc body and the center of the grinding and polishing disc, the transverse cross section of the limiting hole is in a polygonal shape, and the shape of the screw head of the bolt is matched with the shape of the limiting hole. The utility model solves the problem that a device for stably connecting the grinding and polishing disc with the output end of an external machine body is lacked in the prior art.

Description

Grinding and polishing disk connecting assembly

Technical Field

The utility model relates to the technical field of grinding and polishing disc connecting assemblies, in particular to a grinding and polishing disc connecting assembly.

Background

The grinding and polishing disc is also called a polishing disc, a sand grinding disc and the like, is usually applied to medium and large polishing equipment, and is also applied to a small portable grinding and polishing machine at present, but the grinding and polishing disc in the prior art is usually connected with a machine body of the small grinding and polishing machine through a bolt, namely, the bottom surface of a screw head of the bolt is contacted with the end surface of the grinding and polishing disc, a matching plate is also arranged on a bolt rod body, the outer wall of the matching plate is contacted with the bottom surface of the grinding and polishing disc, and the grinding and polishing disc is clamped and fixed through the combination of the screw head of the bolt and the matching plate, so that the grinding and polishing disc can synchronously rotate when the bolt is driven to axially move at the output end of the machine body, the technical mode realizes clamping and fixing of trypan object through the combination of the screw head of the bolt and the matching plate, but the technical mode is easy to cause the grinding and polishing disc to be loosened or even skewed between the screw head and the matching plate, and the outer peripheral wall of the grinding and polishing disc is easy to generate a plurality of notches under the long-time grinding and polishing state, and then lead to grinding and polishing the dish and damage, adopt above-mentioned connected mode can influence the progress and the precision of grinding and polishing simultaneously.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a grinding and polishing disk connecting assembly, which aims to solve the problem that a device for stably connecting a grinding and polishing disk with an external machine body output end is lacked in the prior art.

In order to achieve the aim, the utility model provides a grinding and polishing disk connecting component which comprises a grinding and polishing disk, a bolt, an upper disk body and a lower disk body, the upper disc body and the lower disc body are coaxially stacked, the upper disc body is attached to the top surface of the grinding and polishing disc, the lower disc body is attached to the bottom surface of the grinding and polishing disc, a limiting hole for accommodating a screw head of a bolt is formed in the center of the upper disc body, the center of the lower disc body and the center of the grinding and polishing disc are both provided with through holes for the rod body of the bolt to penetrate through, the transverse section of the limiting hole is arranged in a polygon shape, the shape of the screw head of the bolt is matched with the shape of the limiting hole, the bottom wall of the upper tray body is provided with an anti-falling hole corresponding to the position of the limiting hole, the aperture of the anti-falling hole is larger than that of the limiting hole, be provided with the spacing dish that is used for inserting the anticreep hole on the bolt, spacing dish is located bolt spiral shell head below, spacing dish sets up with anticreep hole shape looks adaptation.

The technical scheme is adopted, and the method has the advantages that: the center of the upper disc body is provided with a limiting hole, the center of the lower disc body and the center of the grinding and polishing disc are both provided with through holes, a bolt sequentially passes through the limiting hole and the two through holes, at the moment, the head of the bolt is just in inserting fit with the limiting hole, one end of the body of the bolt is connected with the output end of the external grinding and polishing machine body, the transverse section of the limiting hole is arranged in a polygon shape, the head of the bolt is matched with the shape of the limiting hole, namely, the transverse section of the head of the bolt is also arranged in the polygon shape, the head of the bolt cannot twist in the limiting hole through the arrangement of the technology, namely, the head of the bolt cannot loosen or shake in the limiting hole, so that the upper disc body cannot twist relative to the grinding and polishing disc, the upper disc body can be combined with the lower disc body to clamp the grinding and polishing disc, the bolt is in threaded connection with the through holes on the lower disc body, and the lower disc body can be combined with the upper disc body to form stable clamping of the grinding and polishing disc, thereby ensuring that the grinding and polishing disc does not loosen; the bolt can not break away from the upper tray body and the lower tray body by further ensuring the bolt through the arrangement of the insertion and matching of the limiting tray and the anti-falling hole in the technology.

The utility model further provides that: the transverse section of the limiting hole is arranged in a hexagon shape.

The technical scheme is adopted, and the method has the advantages that: the setting of above-mentioned technique ensures that the spiral shell head of bolt can not be the axial rotation in spacing downthehole, ensure promptly that the mill throws the dish and can not sit the axial rotation between last disk body and lower disk body, and then ensure that the bolt can be normal drive mill throw dish rotatory when external organism output drive bolt is axial rotation, promptly mill throw dish self can not be axial rotation, the setting of above-mentioned technique has improved the clamping force of going up the disk body and lower disk body to the mill throw dish, and then ensure that the mill throw dish can not become flexible even rock between last disk body and lower disk body, the phenomenon that the mill throw dish appears droing when external organism drive bolt is rotatory is avoided, and then ensure can not cause the influence to the mill throw precision.

The utility model further provides that: the grinding and polishing disc comprises a grinding and polishing disc body and is characterized in that limiting grooves are formed in the top surface and the bottom surface of the grinding and polishing disc body respectively, a first limiting block used for being in splicing fit with the limiting grooves in the top surface of the grinding and polishing disc body is arranged on the upper disc body, and a second limiting block used for being in splicing fit with the limiting grooves in the bottom surface of the grinding and polishing disc body is arranged on the lower disc body.

The technical scheme is adopted, and the method has the advantages that: in the technology, the arrangement that the first limiting block and the second limiting block are respectively in plug fit with the corresponding limiting grooves ensures that the grinding and polishing disc cannot be loosened or even shaken between the upper disc body and the lower disc body, and simultaneously ensures that the grinding and polishing disc cannot axially rotate between the upper disc body and the lower disc body, thereby avoiding influencing the grinding and polishing precision and progress, and the first limiting block and the second limiting block are respectively in matched arrangement with the corresponding limiting grooves, thereby ensuring that the upper disc body and the lower disc body can stably clamp the grinding and polishing disc; and the first limiting block is in inserting fit with the limiting groove on the top surface of the grinding and polishing disc, and the second limiting block is in inserting fit with the limiting groove on the bottom surface of the grinding and polishing disc, so that the upper disc body and the lower disc body cannot rotate relative to the grinding and polishing disc, and further the bolts can normally drive the grinding and polishing disc, the upper disc body and the lower disc body to synchronously rotate when the external machine body drives the bolts to rotate.

The utility model further provides that: every the spacing groove transverse section all is the arc setting.

The technical scheme is adopted, and the method has the advantages that: spacing groove transverse section is the arc setting in the above-mentioned technique, and the spacing groove is similar to the arc wall promptly, can ensure through above-mentioned technical scheme that the grinding and polishing dish can not appear wrench movement phenomenon between last disk body and lower disk body, can also ensure simultaneously that last disk body and lower disk body can carry out firm centre gripping to the grinding and polishing dish.

The utility model further provides that: every wear-resisting line of all having arranged on first stopper periphery wall and every second stopper periphery wall.

The technical scheme is adopted, and the method has the advantages that: the arrangement of the wear-resistant lines ensures that the first limiting block and the second limiting block cannot twist or even loosen in respective limiting grooves.

The utility model further provides that: go up the disk body and run through a plurality of first fixed orificess, it has the second fixed orifices all to run through to correspond every first fixed orificess position on the lower disk body, it has the transition hole all to run through to correspond every first fixed orificess position on the dish to grind and throw, every all be connected with the rivet on the first fixed orificess, every the rivet all passes corresponding first fixed orificess, second fixed orifices and transition hole setting in proper order.

The technical scheme is adopted, and the method has the advantages that: go up and run through first fixed orifices on the disk body, it has the second fixed orifices all to run through to correspond every first fixed orifices position on the lower disk body, and then it has the transition hole to run through to correspond every first fixed orifices position on the grinding and polishing dish for every first fixed orifices all corresponds has a second fixed orifices and a transition hole, connects through the rivet between the three, and then ensures to go up the disk body, lower disk body and grind and polish and can the firm connection between the dish.

Drawings

FIG. 1 is a top three-dimensional view of the present invention;

FIG. 2 is a bottom three-dimensional view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

figure 4 is a three-dimensional view of the abrasive polishing disk of the present invention.

Detailed Description

The utility model provides a grinding and polishing disc connecting assembly, which comprises a grinding and polishing disc 1, a bolt 2, an upper disc body 3 and a lower disc body 4, wherein the upper disc body 3 and the lower disc body 4 are coaxially stacked, the upper disc body 3 is attached to the top surface of the grinding and polishing disc 1, the lower disc body 4 is attached to the bottom surface of the grinding and polishing disc 1, a limiting hole 31 for accommodating a screw head 21 of the bolt 2 is formed in the center of the upper disc body 3, through holes 41 for penetrating a rod body 22 of the bolt 2 are formed in the center of the lower disc body 4 and the center of the grinding and polishing disc 1, the transverse cross section of the limiting hole 31 is in a polygonal shape, the shape of the screw head 21 of the bolt 2 is matched with the shape of the limiting hole 31, an anti-falling hole 34 is formed in the bottom wall of the upper disc body 3 corresponding to the position of the limiting hole 31, the aperture of the anti-falling hole 34 is larger than the aperture of the limiting hole 31, a limiting disc 23 for inserting the anti-falling hole 34 is arranged on the bolt 2, the limiting disc 23 is arranged below the screw head 21 of the bolt 2, the limiting disc 23 and the anti-falling hole 34 are arranged in a shape matched with each other, the transverse section of the limiting hole 31 is arranged in a hexagon shape, the top surface and the bottom surface of the polishing disc 1 are both provided with limiting grooves 11, the upper disc body 3 is provided with a first limiting block 32 which is used for being in splicing fit with the limiting grooves 11 on the top surface of the polishing disc 1, the lower disc body 4 is provided with a second limiting block 42 which is used for being in splicing fit with the limiting grooves 11 on the bottom surface of the polishing disc 1, the transverse section of each limiting groove 11 is arranged in an arc shape, wear-resistant grains are distributed on the peripheral wall of each first limiting block 32 and the peripheral wall of each second limiting block 42, the upper disc body 3 is penetrated with a plurality of first fixing holes 33, the lower disc body 4 is penetrated with second fixing holes 43 corresponding to the positions of each first fixing hole 33, the polishing disc 1 is penetrated with transition holes 12 corresponding to the positions of each first fixing hole 33, every all be connected with the rivet on the first fixed orifices 33, every the rivet all passes corresponding first fixed orifices 33, second fixed orifices 43 and transition hole 12 setting in proper order.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a grind and throw a set coupling assembling which characterized in that: including grinding and throwing dish, bolt, upper plate body and lower disk body, upper plate body piles up the setting with the lower disk body is coaxial, the subsides of upper plate body are established on grinding and throwing dish top surface, the subsides of lower disk body are established on grinding and throwing dish bottom surface, the spacing hole of the spiral shell head holding that supplies the bolt is seted up to upper plate body center department, lower disk body center department and grinding and throwing dish center department all run through the perforation that the body of rod that supplies the bolt wore, spacing hole transverse section is the polygon setting, the spiral shell head shape and the spacing hole shape looks adaptation of bolt, correspond spacing hole position on the upper plate body diapire and seted up the anticreep hole, anticreep hole aperture is greater than spacing hole aperture, be provided with the spacing dish that is used for inserting the anticreep hole on the bolt, spacing dish is located bolt spiral shell head below, spacing dish and anticreep hole shape looks adaptation set up.

2. A polishing pad connecting assembly according to claim 1, wherein: the transverse section of the limiting hole is arranged in a hexagon shape.

3. A polishing pad connecting assembly according to claim 1, wherein: the grinding and polishing disc comprises a grinding and polishing disc body and is characterized in that limiting grooves are formed in the top surface and the bottom surface of the grinding and polishing disc body respectively, a first limiting block used for being in splicing fit with the limiting grooves in the top surface of the grinding and polishing disc body is arranged on the upper disc body, and a second limiting block used for being in splicing fit with the limiting grooves in the bottom surface of the grinding and polishing disc body is arranged on the lower disc body.

4. A polishing pad connecting assembly according to claim 3, wherein: every the spacing groove transverse section all is the arc setting.

5. A polishing pad connecting assembly according to claim 3, wherein: every wear-resisting line of all having arranged on first stopper periphery wall and every second stopper periphery wall.

6. A polishing pad connecting assembly according to claim 1, wherein: go up the disk body and run through a plurality of first fixed orificess, it has the second fixed orifices all to run through to correspond every first fixed orificess position on the lower disk body, it has the transition hole all to run through to correspond every first fixed orificess position on the dish to grind and throw, every all be connected with the rivet on the first fixed orificess, every the rivet all passes corresponding first fixed orificess, second fixed orifices and transition hole setting in proper order.