CN212192768U

CN212192768U - Hole coating mandrel component for grinding wheel

Info

Publication number: CN212192768U
Application number: CN202021000699.9U
Authority: CN
Inventors: 石海锋; 翟专科; 翟旭峰
Original assignee: Shandong Luxin Four Sand Taishan Abrasive Co ltd
Current assignee: Shandong Luxin Four Sand Taishan Abrasive Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-12-22
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a hole mandrel subassembly is scribbled with emery wheel. According to the technical scheme, the mandrel head is designed to be a detachable structure, the positioning sleeve is additionally arranged on the mandrel head, and meanwhile, the partition plate is arranged on the lower portion of the grinding wheel in a cushioning mode, so that the hole coating processing effect is improved. Particularly, the utility model adjusts the interval between the inner hole of the grinding wheel and the core rod head of the coating hole through the positioning sleeve and has the function of preventing the core rod head from being worn; the core rod head detachable structure reduces the abrasion and replacement cost of the core rod; through supporting baffle, guaranteed emery wheel inner wall lower part pressure, guarantee putty adhesion to make emery wheel hole upper and lower limit portion have suitable chamfer through reasonable cone angle, so that the emery wheel is installed and is used. Use the utility model discloses, can overcome conventional mandrel head and easily wear and tear and the difficult technical problem who changes when carrying out the emery wheel and scribbling the hole to improve the phenomenon that the hole is not totally easily come off is scribbled to emery wheel hole lower part, have good result of use.

Description

Hole coating mandrel component for grinding wheel

Technical Field

The utility model relates to the technical field of machining, concretely relates to emery wheel is with scribbling hole mandrel subassembly.

Background

The grinding wheel is a grinding tool for grinding a workpiece in a high-speed rotating state, generally in a disc shape, and a circular hole is formed in the center of the grinding wheel and is used for being connected with a driving mechanism so as to realize rotating motion. The grinding wheel is formed by solidifying a common abrasive material through a bonding agent, a central circular hole is formed by post-processing, and the performance of the hole opening equipment has direct influence on the processing efficiency and the product quality.

In the prior art, a core rod head is easy to wear and not easy to replace when a grinding wheel is used for coating holes; moreover, due to the lack of a supporting structure, the coating holes on the lower part of the inner hole of the grinding wheel are not completely easy to fall off.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at to prior art's technical defect, provide a emery wheel with scribbling hole mandrel subassembly to solve prior art, conventional mandrel head is easy wearing and tearing and the difficult technical problem who changes when carrying out the emery wheel and scribbling the hole.

The utility model discloses another technical problem that solve is, the hole is scribbled to emery wheel hole lower part is not totally easily drove.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

a hole-coating mandrel component for a grinding wheel comprises a mandrel rod, a mandrel head, a positioning sleeve, a grinding wheel and a partition plate, wherein the mandrel rod penetrates through the grinding wheel, the mandrel head is fixedly connected to the upper end of the mandrel rod, and the positioning sleeve is arranged at the upper end of the mandrel head; the end face of the grinding wheel is padded with a partition plate.

Preferably, a bolt is further included, wherein the mandrel head is fastened to the upper end of the mandrel bar by the bolt.

Preferably, a screw thread is further included, wherein the mandrel head is fastened to the upper end of the mandrel bar by means of the screw thread.

Preferably, a partition plate is padded on the lower end face of each grinding wheel.

Preferably, the partition plate has a taper angle at both an upper end of the inner edge and a lower end of the inner edge.

In the above technical solution, the mandrel bar is used to carry the mandrel head; the mandrel head is fastened on the mandrel rod through screw threads or bolts and is used for coating holes; the positioning sleeve is used for adjusting the interval between the inner hole of the grinding wheel and the mandrel head and plays a role in relieving the abrasion of the mandrel head; the partition board is used for ensuring the pressure of the lower part of the inner wall of the grinding wheel and the adhesion of putty, and cone angles can be arranged at the upper end and the lower end of the inner edge of the partition board and are used for enabling the upper edge and the lower edge of the inner hole of the grinding wheel to form chamfers so as to facilitate the installation and the use of the grinding wheel.

The utility model provides a hole mandrel subassembly is scribbled with emery wheel. According to the technical scheme, the mandrel head is designed to be a detachable structure, the positioning sleeve is additionally arranged on the mandrel head, and meanwhile, the partition plate is arranged on the lower portion of the grinding wheel in a cushioning mode, so that the hole coating processing effect is improved. Particularly, the utility model adjusts the interval between the inner hole of the grinding wheel and the core rod head of the coating hole through the positioning sleeve and has the function of preventing the core rod head from being worn; the core rod head detachable structure reduces the abrasion and replacement cost of the core rod; through the matching partition plate, the pressure of the lower part of the inner wall of the grinding wheel is ensured, the adhesion of putty is ensured, and the upper and lower edge parts of the inner hole of the grinding wheel are provided with proper chamfers through reasonable taper angles, so that the grinding wheel is convenient to install and use. Use the utility model discloses, can effectively overcome conventional mandrel head and easily wear and tear and the difficult technical problem who changes when carrying out the emery wheel and scribbling the hole to improve the phenomenon that the hole is not totally easily come off is scribbled to emery wheel hole lower part, have good result of use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

in the figure:

1. mandrel rod 2, mandrel head 3, bolt 4 and positioning sleeve

5. Grinding wheel 6, baffle.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

A hole-coating mandrel component for a grinding wheel comprises a detachable mandrel head, a positioning sleeve matched with the mandrel head, a mandrel rod and a matched partition plate. The core rod head is fastened on the core rod through screw threads or bolts, the positioning sleeve is arranged above the core rod head, and the matched partition plate is arranged at the lower part of each grinding wheel needing hole coating.

Example 2

A hole-coating mandrel component for a grinding wheel is shown in figure 1 and comprises a mandrel rod 1, a mandrel head 2, a positioning sleeve 4, a grinding wheel 5 and a partition plate 6, wherein the mandrel rod 1 penetrates through the grinding wheel 5, the mandrel head 2 is fixedly connected to the upper end of the mandrel rod 1, and the positioning sleeve 4 is arranged at the upper end of the mandrel head 2; a partition plate 6 is arranged at the end face of the grinding wheel 5 in a cushioning mode.

The device has the following structural characteristics: the mandrel rod 1 is used for bearing the mandrel head 2; the mandrel head 2 is fastened on the mandrel bar 1 through a screw thread or a bolt 3, and the mandrel head 2 is used for coating holes; the positioning sleeve 4 is used for adjusting the interval between the inner hole of the grinding wheel 5 and the mandrel head 2 and playing a role in relieving the abrasion of the mandrel head 2; the partition plate 6 is used for ensuring the pressure of the lower part of the inner wall of the grinding wheel 5 and ensuring the adhesion of putty, and can also be provided with cone angles at the upper end and the lower end of the inner edge of the partition plate, so that the upper edge and the lower edge of the inner hole of the grinding wheel 5 form chamfers, and the grinding wheel 5 is convenient to mount and use.

Example 3

A hole-coating mandrel component for a grinding wheel is shown in figure 1 and comprises a mandrel rod 1, a mandrel head 2, a positioning sleeve 4, a grinding wheel 5 and a partition plate 6, wherein the mandrel rod 1 penetrates through the grinding wheel 5, the mandrel head 2 is fixedly connected to the upper end of the mandrel rod 1, and the positioning sleeve 4 is arranged at the upper end of the mandrel head 2; a partition plate 6 is arranged at the end face of the grinding wheel 5 in a cushioning mode. Meanwhile, the core rod head comprises a bolt 3, wherein the core rod head 2 is fastened at the upper end of the core rod 1 through the bolt 3. A partition plate 6 is padded at the lower end face of each grinding wheel 5. The partition 6 has a taper angle at both the inner edge upper end and the inner edge lower end.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A hole-coating mandrel component for a grinding wheel is characterized by comprising a mandrel rod (1), a mandrel head (2), a positioning sleeve (4), a grinding wheel (5) and a partition plate (6), wherein the mandrel rod (1) penetrates through the grinding wheel (5), the mandrel head (2) is fixedly connected to the upper end of the mandrel rod (1), and the positioning sleeve (4) is arranged at the upper end of the mandrel head (2); a partition plate (6) is padded at the end face of the grinding wheel (5).

2. A hole-coating mandrel assembly for grinding wheels according to claim 1, characterized by further comprising a bolt (3), wherein the mandrel head (2) is fastened to the upper end of the mandrel bar (1) by means of said bolt (3).

3. A hole-coating mandrel assembly for grinding wheels according to claim 1, further comprising a screw thread, wherein the mandrel head (2) is fastened to the upper end of the mandrel bar (1) by means of the screw thread.

4. A hole-coating mandrel assembly for grinding wheels according to claim 1, characterized in that a spacer (6) is padded at the lower end face of each grinding wheel (5).

5. A hole-coating mandrel assembly for a grinding wheel according to claim 1, characterized in that the partition plate (6) has a taper angle at both the inner edge upper end and the inner edge lower end.