CN217728355U

CN217728355U - Multifunctional diamond grinding head

Info

Publication number: CN217728355U
Application number: CN202221718846.5U
Authority: CN
Inventors: 熊必辉
Original assignee: Shanghai Vinon Industrial Co ltd
Current assignee: Shanghai Vinon Industrial Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-04
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a multi-functional diamond bistrique belongs to diamond bistrique technical field. The grinding head comprises a first grinding rod, wherein a spherical grinding head is arranged at the front end of the first grinding rod, and an arc chamfer, a second grinding rod and an inclined chamfer which are positioned on the same central axis with the first grinding rod are sequentially arranged at the rear end of the first grinding rod; the diameter of the first grinding rod is smaller than that of the second grinding rod; the front end of the cambered surface chamfering part is smoothly connected with the rear end of the first polishing rod, and the rear end of the cambered surface chamfering part is smoothly connected with the front end of the second polishing rod; the rear end of the second polishing rod is smoothly connected with the small head end of the bevel chamfer part. The diamond grinding head adopts five functional structures which are smoothly connected, can comprehensively carry out grinding, polishing, drilling, arc chamfering and inclined plane chamfering operations, does not need to be frequently replaced, and improves the working efficiency; two transitional chamfering parts are adopted between two sections of polishing rods with different diameters, so that the joint is more stable and is not easy to break.

Description

Multifunctional diamond grinding head

Technical Field

The utility model relates to a multi-functional diamond bistrique belongs to diamond bistrique technical field.

Background

The grinding head is a small grinding tool with a handle and is applied to electric grinders, suspension grinders, electric hand drills and other equipment. The kind of bistrique is more, distinguishes according to the material, and the bistrique mainly has: ceramic grinding head, rubber grinding head, diamond grinding head, abrasive cloth grinding head, etc. Wherein, the diamond grinding head is mainly made of diamond grinding materials and is formed by combining resin, metal and ceramic bonding agents. The diamond grinding head mainly has the purposes of grinding, polishing, grinding and the like. According to the characteristics of high hardness, high compressive strength and good wear resistance of the diamond grinding head, the diamond grinding head is an ideal tool for grinding hard and brittle materials and hard alloys in grinding processing, and is used for grinding workpieces, so that the efficiency is high, the precision is high, the roughness is good, the consumption of a grinding wheel is low, and the service life is long.

At present, a diamond grinding head mainly adopts a cylindrical main body, and the head of the cylindrical main body is of a plane, spherical or conical surface structure. The side surface of the cylindrical main body is a working surface and can be used for polishing, grinding and reaming, and the head part of the plane, the spherical surface or the conical surface can be used for grinding, drilling and deburring. The existing diamond grinding head is simple in structure and few in function, if the diamond grinding head special for chamfering needs to be replaced if chamfering is needed, and the diamond grinding heads with different diameters need to be replaced if deburring is needed for holes with different diameters.

Therefore, design a multi-functional diamond bistrique, it adopts multiple function structure complex to form, and multiple function structure is collaborative work each other, does not need frequently to change the diamond bistrique of different functions.

Disclosure of Invention

The utility model aims to solve the technical problem that: the utility model provides a multi-functional diamond bistrique, it has solved present diamond bistrique function singleness, the problem that the during operation need frequently be changed.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

a multifunctional diamond grinding head comprises a first grinding rod, wherein a spherical surface grinding head is arranged at the front end of the first grinding rod, and the multifunctional diamond grinding head is characterized in that a cambered surface chamfering part, a second grinding rod and an inclined surface chamfering part which are positioned on the same central axis with the first grinding rod are sequentially arranged at the rear end of the first grinding rod;

the diameter of the first grinding rod is smaller than that of the second grinding rod;

the front end of the cambered surface chamfering part is smoothly connected with the rear end of the first polishing rod, and the rear end of the cambered surface chamfering part is smoothly connected with the front end of the second polishing rod;

the rear end of the second polishing rod is smoothly connected with the small head end of the bevel chamfer part.

Five functional structures are adopted: the grinding device comprises a first grinding rod, a spherical grinding head, an arc-surface chamfer part, a second grinding rod and an inclined plane chamfer part. The polishing, grinding, reaming, drilling, burr cleaning, cambered surface chamfering, inclined surface chamfering and other works can be simultaneously completed.

As a preferable example, a first cambered surface transition chamfer is arranged between the front end of the cambered chamfer part and the rear end of the first grinding rod for smooth transition. And a second cambered surface transition chamfer used for smooth transition is arranged between the rear end of the cambered surface chamfer part and the front end of the second polishing rod.

And a first cambered surface transition chamfer and a second cambered surface transition chamfer are adopted to avoid the appearance of a relatively sharp boundary at the joint of each functional structure. In operation, the sharp boundary line inadvertently scratches the working surface resulting in a deep wear scar, and the cambered transition chamfer reduces this phenomenon.

As a preferable example, the large end of the chamfer part is centrally provided with a connecting part for being fixed on the rotating part of the grinding tool.

The connecting part adopts a standard clamping structure to be connected with a matched connecting handle or a matched tool.

The beneficial effects of the utility model are that:

(1) The diamond grinding head adopts five functional structures which are smoothly connected, can comprehensively carry out grinding, polishing, drilling, arc chamfering and inclined plane chamfering operations, does not need to be frequently replaced, and improves the working efficiency;

(2) Two sections of chamfering parts in transition are adopted between two sections of polishing rods with different diameters, the stress concentration condition at the joint of each functional structure can be prevented, the functional structures are reasonably sequenced, and the joint is more stable and is not easy to break through the smooth transition of the two sections of chamfering parts.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of a transition chamfer of the first cambered surface;

fig. 3 is a schematic structural view of a second cambered surface transition chamfer.

In the figure: 1. a first sanding bar; 2. a spherical surface polishing head; 3. a cambered surface chamfer; 4. a second sanding bar; 5. a bevel chamfer; 6. a first cambered surface transition chamfer; 7. a second cambered surface transition chamfer; 8. a connecting portion.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention will be further described with reference to the following embodiments.

Example 1

As shown in fig. 1-3, the multifunctional diamond grinding head comprises a first grinding rod 1, a spherical grinding head 2 is arranged at the front end of the first grinding rod 1, the spherical grinding head 2 is hemispherical, the diameter of the hemisphere is the same as that of the first grinding rod 1, and a cambered chamfer 3, a second grinding rod 4 and an inclined chamfer 5 which are positioned on the same central axis line as the first grinding rod 1 are sequentially arranged at the rear end of the first grinding rod 1. The curved-surface chamfered portion 3 is a curved surface formed by one rotation of an arc. The bevel chamfer 5 is a conical surface formed by one rotation of a line segment.

The first sanding bar 1 is a cylinder with a diameter of 10mm and the second sanding bar 4 is a cylinder with a diameter of 25mm, the first sanding bar 1 having a smaller diameter than the second sanding bar 4. The total length of the first sanding bar 1 and the spherical sanding head 2 is 25mm and the length of the second sanding bar 4 is 25mm in the axial direction.

The front end of the cambered surface chamfering part 3 is smoothly connected with the rear end of the first polishing rod 1, and the rear end of the cambered surface chamfering part 3 is smoothly connected with the front end of the second polishing rod 4. The length of the cambered chamfered part 3 in the axial direction is 10mm.

The rear end of the second grinding rod 4 is smoothly connected with the small head end of the bevel chamfer part 5. The length of the beveled chamfer 5 in the axial direction is 30mm, and the diameter of the large head end of the beveled chamfer 5 is 48mm.

Five functional structures are adopted: a. the diameter of the first polishing rod 1 is smaller than that of the second polishing rod 4, and the first polishing rod mainly performs polishing, grinding and reaming through a working surface on the side surface; b. the spherical polishing head 2 is arranged at the front end of the first polishing rod 1 and is mainly used for polishing, drilling and deburring; c. the cambered chamfer part 3 is used for performing cambered chamfer on corners; d. the diameter of the second grinding rod 4 is larger than that of the first grinding rod 1, and after the first grinding rod 1 is subjected to hole expansion, the second grinding rod 4 is used for polishing and grinding in a relay mode, and the second grinding rod can be further used for hole expansion; e. and a bevel chamfer part 5 for performing bevel chamfering of the corner.

The diamond grinding head adopts five functional structures which are smoothly connected, can comprehensively carry out grinding, polishing, drilling, arc chamfering and inclined plane chamfering operations, does not need to be frequently replaced, and improves the working efficiency; compared with the existing grinding head with single function, the multifunctional diamond grinding head can save cost; two sections of transition chamfer parts are adopted between two sections of polishing rods with different diameters, the stress concentration condition at the joint of each functional structure can be prevented, the functional structures are reasonably sequenced, and the joint is more stable and is not easy to break through the smooth transition of the two sections of chamfer parts.

Example 2

A first cambered surface transition chamfer 6 for smooth transition is arranged between the front end of the cambered surface chamfer part 3 and the rear end of the first polishing rod 1. And a second cambered surface transition chamfer 7 for smooth transition is arranged between the rear end of the cambered surface chamfer part 3 and the front end of the second polishing rod 4. The other structure is the same as embodiment 1.

And a first cambered surface transition chamfer 6 and a second cambered surface transition chamfer 7 are adopted to avoid the occurrence of a relatively sharp boundary at the joint of each functional structure. In operation, the sharp dividing line inadvertently scratches the work surface resulting in a deep wear scar, and the cambered transition chamfer mitigates this.

Example 3

The large end of the bevel chamfer part 5 is provided with a connecting part 8 in the middle for fixing the rotating part of the grinding tool. The other structure is the same as embodiment 1.

The connecting portion 8 is an existing standard interface for connecting with a grinding tool such as an electric grinder. For example, a hexagonal connection 8, or a connection 8 with an internal hexagonal groove may be used. The connecting part 8 is inserted into a clamping cavity of a rotating part of the electric grinder, and after the rotating part is locked and fixed, the grinding head is driven to rotate by the rotating part of the grinding tool.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A multifunctional diamond grinding head comprises a first grinding rod (1), wherein a spherical grinding head (2) is arranged at the front end of the first grinding rod (1), and is characterized in that a cambered chamfer part (3), a second grinding rod (4) and an inclined chamfer part (5) which are positioned on the same central axis line with the first grinding rod (1) are sequentially arranged at the rear end of the first grinding rod (1);

the diameter of the first grinding rod (1) is smaller than that of the second grinding rod (4);

the front end of the cambered surface chamfering part (3) is smoothly connected with the rear end of the first polishing rod (1), and the rear end of the cambered surface chamfering part (3) is smoothly connected with the front end of the second polishing rod (4);

the rear end of the second grinding rod (4) is smoothly connected with the small end of the bevel chamfer part (5).

2. The multifunctional diamond grinding head according to claim 1, characterized in that a first cambered transition chamfer (6) for smooth transition is provided between the front end of the cambered chamfer (3) and the rear end of the first grinding rod (1).

3. The multifunctional diamond grinding head according to claim 1, characterized in that a second cambered transition chamfer (7) for smooth transition is provided between the rear end of the cambered chamfer (3) and the front end of the second grinding rod (4).

4. The multi-functional diamond grinding head according to claim 1, characterized in that the large end of the beveled chamfer portion (5) is centrally provided with a connection portion (8) for securing to a rotating portion of a grinding tool.