CN219094772U

CN219094772U - Grinding disc, grinding head and base body forming same

Info

Publication number: CN219094772U
Application number: CN202222512274.1U
Authority: CN
Inventors: 杨宝金
Original assignee: Qinhuangdao Daotian High Tech Co ltd
Current assignee: Qinhuangdao Daotian High Tech Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-05-30
Anticipated expiration: 2032-09-22

Abstract

The utility model provides a grinding disc and a grinding head and a base body which are used for forming the grinding disc, aiming at the problems that the grinding disc base body is heavy in weight and high in moving and consuming more physical power and cannot be reused after the grinding disc is used in the prior art.

Description

Grinding disc, grinding head and base body forming same

Technical Field

The utility model relates to a grinding disc, in particular to a superhard abrasive material consolidation grinding disc structure.

Background

The super-hard abrasive concreted millstone product has a maximum diameter of 1000mm, and the structure is that a grinding layer consisting of powder layers is fixedly arranged on the end face of a substrate, and the grinding layer consisting of powder and abrasive materials is sintered with the substrate to prepare the super-hard abrasive concreted millstone product. In addition, in the production process, the substrate needs to be integrally carried during each assembly, and the carrying strength is high due to the large integral weight of the substrate, so that the physical power consumption of workers is high.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, in the production process of a grinding disc, the weight of a base body is large, the moving and the physical power consumption are large, and the grinding disc cannot be reused after being used, so that the material is wasted.

The utility model aims at being completed by the following technical scheme:

the grinding head for the grinding disc comprises a grinding layer and a base for supporting the grinding layer, wherein the base is disc-shaped, the grinding layer is arranged on one side end surface of the base, namely, the end surface I, the other side end surface of the base, namely, the end surface II, opposite to the end surface I, is used for being matched with a base body of the grinding disc, and a connecting structure I for fixedly connecting with the base body of the grinding disc is arranged on the grinding layer and/or the base;

a bolt serving as a first connecting structure is arranged on one side, opposite to the grinding layer, of the grinding head, the head of the bolt is positioned in the base and/or the grinding layer, and a bolt rod is parallel to the central line of the base and is higher than the second end surface; the grinding layer is integrally covered outside the first end face, the grinding layer is a plane layer or a curved surface layer, and when the grinding layer is a curved surface layer, the grinding layer is an arc-shaped curved surface protruding outwards from the center; or the grinding layer is annular and is a material ring, and is fixedly arranged on one end face of the base, and the center line of the material ring is in the same line with the center line of the base.

The grinding disc comprises a base body, wherein the base body is disc-shaped, one side end surface, namely an end surface III, of the base body is a matching surface matched with the end surface II of the base, a threaded connecting hole and a reference surface for connecting equipment are formed in the other side end surface, namely an end surface IV, the center line of the reference surface is collinear with the center line of the base body, and a connecting structure II connected with the base is arranged on the base body; the second connecting structure is a through hole arranged on the base body, and the position and the size of the through hole correspond to and are matched with those of the bolt.

The grinding disc comprises a grinding head and a base, wherein the grinding head comprises a grinding layer and a base, the base and the base are disc-shaped and are oppositely arranged, the grinding layer is arranged on the first end face of the base, the second end face of the base, which is opposite to the first end face, is used for being matched with the third end face of the base, the fourth end face of the base, which is opposite to the third end face, is provided with a datum plane and a threaded connection hole which are used for being matched with equipment connection, and the grinding head and the base are fixedly connected through bolts;

the head of the bolt is fixedly arranged on one side of the seat head, which is opposite to the side provided with the grinding layer, and the bolt rod is arranged in the through hole on the base body and is locked by the nut to realize the fixed connection of the grinding disc and the base body.

The bolt is fixedly connected with the grinding disc through a winding knot;

the head of the bolt is positioned in the grinding layer and is fixedly connected with the grinding layer through a winding knot

Compared with the prior art, the grinding disc with the structure is independently provided with the grinding head and the base, the grinding head comprises the grinding layer and the base, the base supports the grinding layer, the grinding head is connected with the base during grinding, the base only plays a role of fixedly supporting the grinding head, only the grinding head participates in grinding, the base no longer participates in grinding and only plays a role of fixing and connecting, when the grinding layer is consumed, only the grinding head needs to be replaced, the grinding head is detached from the base, a new grinding head is replaced, the grinding head and the base are fastened together through bolts and nuts, the base does not need to be replaced, the base can be reused, the material waste of the base is avoided, the weight of the grinding head during replacement is lighter than that of the whole grinding disc, and the labor consumption is reduced.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the abrasive disc of the present utility model.

Reference numerals illustrate:

1-a base; 2-grinding the layer; 3-substrate; 4-connecting the threaded holes; 5-balancing the threaded holes; 6-connecting holes; 7-a bolt; 8-a nut; 9-grinding head; 10-end face I; 11-end face II; 12-end face three; 13-end face four; 14-datum plane.

Detailed Description

The utility model is further described with reference to the drawings and detailed description which follow:

as shown in fig. 1, the grinding disc of the utility model comprises a grinding head 9 and a base body 3, wherein the grinding head 9 comprises a disc-shaped base 1 and a grinding layer 2 arranged on one side end surface of the base, the grinding layer 2 consists of grinding powder and abrasive particles, the abrasive particles are uniformly mixed in the grinding powder and are combined into a whole by cold pressing, sintering or the like, and the grinding layer 2 is fixedly connected with the base 1 by sintering or fixedly connected by welding or fixedly connected by bonding. The grinding layer covers the entire end face of the one end face, i.e., the first end face, of the base, or may be a ring provided on the first end face of the base, and this ring is referred to as a ring, and is referred to as a planar grinding head when the grinding layer covers the entire end face of the first end face of the base, and is referred to as an annular grinding head when the grinding layer is annular. The grinding head 9 is detachably and fixedly connected with the base body 3 in a split mode. For convenience of description, the end face of the base to which the grinding layer 2 is connected is referred to as an end face one 10, and the end face opposite to the end face one 10, that is, the other end face of the base is referred to as an end face two 11. The base body is generally disc-shaped, one side end face of the base body is called an end face III 12 which is matched with the end face of an end face II 11 of the base body in shape, and the end face III of the base body is fixedly connected in a matched mode, namely, when the end face II of the base body is a plane, the end face III of the base body is a plane, when the end face II of the base body is a curved face, the end face III of the base body is an end face matched with the curved face of the end face II, and the end face III is connected in a matched mode. The side of the base opposite the third face 12 is referred to as the fourth face 13, which is used for connection to the device. The center line of the grinding head and the center line of the base body are collinear. The four end surfaces 13 are provided with mounting datum planes, the center line of each mounting datum plane is consistent with the center line of the base body, the end surfaces of the grinding heads, which are opposite to the grinding layers, are provided with bolts 7, the center lines of the bolt rods are parallel to the center lines of the grinding heads, when the base body and the grinding heads are in matched connection, the end parts of the bolt rods are positioned outside the end surfaces of the base body, through holes for the bolt rods to pass through are formed in the positions, corresponding to the positions of the bolts, of the base body, and the base body and the grinding heads are fixedly connected into a whole through bolts and nuts 8. The cold-pressed plate with the thickness of 2-3mm is generally adopted as the base 1, the grinding layer 2 and the bolts 7 are wound together with the base 1 with the thickness of 2-3mm during sintering, the bolts are a plurality of, the center of the grinding head is preferably used as the center of a circle, the bolts 7 are preferably thin-head inner hexagonal bolts, the bolt head end of each bolt is positioned in the grinding layer, the other end of each bolt penetrates through the base and is positioned outside the base, and the length of each bolt positioned outside the base is larger than the thickness of the corresponding part of the base body. The grinding disc with the structure of the utility model divides the substrate in the prior art into two parts, one part is the base for supporting the grinding layer, and the other part is the substrate for being connected with equipment and the base, thus greatly reducing the thickness of the substrate, only the grinding head needs to be replaced instead of the substrate when the grinding head needs to be replaced, having small labor intensity, saving materials, greatly reducing the weight of the sintered blank and reducing the carrying strength.

According to the structure, the grinding head and the base body 3 are fastened together through the thin head inner hexagon bolts 7 by the nuts 8, after the grinding layer is used and consumed, the grinding head part is detached, the base body 3 can be reused, and the material waste of the base body 3 is avoided.

According to the structure, a base body 3 is provided with a connecting threaded hole 4 on a reference surface 14 for connecting with equipment; the part of the base body, which is positioned outside the reference plane, is called a matching platform, and a plurality of balancing threaded holes 5 are uniformly formed in the matching platform and are used for adding weights when the grinding head is used for balancing and correcting; the same number and position of the connecting holes 6 as the thin head hexagon socket bolts 7 on the grinding layer are preferably provided near the outer circumference of the base body for connection of the grinding layer to the base body. Preferably, the connecting threaded holes 4 and the balancing threaded holes 5 are uniformly distributed along the respective circumferences with the center line of the base body as the center. The connecting threaded holes 4 are preferably screw threaded holes or bolt holes.

According to the utility model, a method of embedding the bolt on the grinding head is adopted as the first connecting structure, the second connecting hole is arranged on the base body and is adopted as the second connecting structure, and when the grinding head is replaced, only the nut connected with the bolt is required to be removed, and then the new grinding head is replaced by the nut for fastening, so that the operation is convenient.

Of course, in order to simplify the matching structure, the end face two of the base and the end face three of the base are preferably planar, and have required parallelism with the reference surface, and the end face two, the end face three and the end face one all need to have certain flatness requirements, and the end face one, the end face two, the end face three and the end face four all have certain perpendicularity requirements with the central lines of the grinding head and the base, which are specific design processes, and the ordinary skill can give corresponding process requirements according to actual requirements and are not described herein.

Claims

1. The grinding head for the grinding disc is characterized by comprising a grinding layer and a base for supporting the grinding layer, wherein the base is disc-shaped, the grinding layer is arranged on one side end face of the base, namely the first end face, the other side end face of the base, which is opposite to the first end face, namely the second end face, is used for being matched with a base body of the grinding disc, and a first connecting structure for being fixedly connected with the base body of the grinding disc is arranged on the grinding layer and/or the base.

2. The grinding head for a grinding disc as claimed in claim 1, characterized in that a bolt as a first connecting structure is arranged on the grinding head on the side opposite to the grinding layer, the head of the bolt is positioned in the base and/or the grinding layer, and the bolt rod is parallel to the center line of the base and higher than the second end surface.

3. The grinding head for the grinding disc of claim 1, wherein the grinding layer is integrally covered outside the first end face, the grinding layer is a flat surface layer or a curved surface layer, and when the grinding layer is a curved surface layer, the grinding layer is an arc-shaped curved surface protruding outwards from the center; or the grinding layer is annular and is a material ring, and is fixedly arranged on one end face of the base, and the center line of the material ring is in the same line with the center line of the base.

4. The base body for the millstone is characterized in that the base body is disc-shaped, one side end surface, namely an end surface III, of the base body is a matching surface matched with an end surface II of the base body according to claim 1, a threaded connection hole for connecting equipment and a reference surface are formed in the other side end surface, namely an end surface IV, the center line of the reference surface is collinear with the center line of the base body, and a connection structure II connected with the base body is arranged on the base body.

5. The base for a grinding disc of claim 4, wherein the second connecting structure is a through hole formed in the base, and the position and the size of the through hole correspond to those of the bolt of claim 2 and are matched.

6. The grinding disc is characterized by comprising a grinding head (9) and a base (3), wherein the grinding head comprises a grinding layer and a base, the base and the base are disc-shaped and are oppositely arranged, the grinding layer is arranged on the first end face of the base, the second end face of the base, which is opposite to the first end face, is used for being matched with the third end face of the base, the fourth end face of the base, which is opposite to the third end face, is provided with a datum plane and a threaded connection hole which are used for being connected with equipment, and the grinding head and the base are fixedly connected through bolts.

7. The abrasive disc of claim 6, wherein: the head of the bolt is fixedly arranged on one side of the grinding head, which is opposite to the side provided with the grinding layer, and the bolt rod is arranged in the through hole on the base body and is locked by the nut to realize the fixed connection between the grinding disc and the base body.

8. The abrasive disc of claim 6, wherein: the bolt is fixedly connected with the grinding disc through a winding knot.

9. The abrasive disc of claim 8, wherein: the head of the bolt is positioned in the grinding layer and is fixedly connected with the grinding layer through a winding knot.