CN218965138U

CN218965138U - Metal bond beveling grinding wheel

Info

Publication number: CN218965138U
Application number: CN202221477922.8U
Authority: CN
Inventors: 李兴勇; 吴建立; 高巍巍
Original assignee: Tyco Material Technology Guangzhou Co ltd
Current assignee: Tyco Material Technology Guangzhou Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-05-05
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a metal bond chamfering grinding wheel which comprises a base, wherein a positioning ring is fixed at the center of the top of the base, a grinding head is fixed at the outer side of the positioning ring, a connecting disc is installed at the center of the bottom of the base, an assembly seat is arranged right below the connecting disc, a jacking screw is fixedly connected with the side edge of the assembly seat in a screwed mode, sliding holes are formed in the periphery of the assembly seat, limiting rods penetrating through the sliding holes are installed in the periphery of the bottom of the connecting disc, and the connecting disc is connected with the assembly seat through a buffer spring. When impact force is encountered in chamfering processing, the whole base is retracted backwards, so that the buffer spring is stressed and compressed, an elastic buffer effect is achieved, and edge breakage of silicon wafers, sapphire substrate sheets, liquid crystal display screens and conductive glass workpieces is avoided.

Description

Metal bond beveling grinding wheel

Technical Field

The utility model relates to the technical field of grinding wheels, in particular to a metal bond chamfering grinding wheel.

Background

Metal bond grinding wheels are superabrasive grinding wheels made from diamond or Cubic Boron Nitride (CBN) grinding stock, and have been widely used in various aspects of the grinding field due to their excellent grinding performance. The metal bond grinding wheel is a special tool for grinding hard and brittle materials such as hard alloy, glass, ceramics, precious stone and the like. In recent years, with rapid development of high-speed grinding and ultra-precise grinding technologies, higher requirements are put on grinding wheels, the grinding wheels of ceramic and resin bonding agents cannot meet the production requirements, and metal bonding agent grinding wheels are widely applied in production due to the remarkable characteristics of high bonding strength, good formability, long service life and the like.

When fragile material workpieces such as silicon wafers, sapphire substrate slices, liquid crystal display screens and conductive glass are processed, the processing environment is complex, and when chamfering processing encounters impact force, the grinding wheel does not have buffering performance, so that edge breakage of the silicon wafers, the sapphire substrate slices, the liquid crystal display screens, the conductive glass and the like is easy to occur. Therefore, it is necessary to design a metal bond beveling wheel.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the metal bond chamfering grinding wheel, when chamfering processing encounters impact force, the whole base is retracted, so that the buffer spring is stressed and compressed, the elastic buffer effect is achieved, and the phenomenon that silicon wafers, sapphire substrate slices, liquid crystal display screens and conductive glass workpieces collapse is avoided.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a metal bond beveling emery wheel, includes the base, the top center department of base is fixed with the holding ring, the outside of holding ring is fixed with the bistrique, the bottom center department of base installs the connection pad, be provided with the mount pad under the connection pad, the side of mount pad connects soon and is fixed with the tight screw in top, the slide hole has been seted up all around to the mount pad, the gag lever post of passing the slide hole is installed all around to the bottom of connection pad, connect through buffer spring between connection pad and the mount pad.

Preferably, the base, the positioning ring and the connecting disc are integrally formed.

Preferably, the grinding head is formed by splicing a plurality of grinding sheets, and the grinding sheets are fixed around the positioning ring.

Preferably, positioning slots are formed in the periphery of the positioning ring, and the polishing sheets are fixedly inserted into the positioning slots through inserting terminals at the tail ends.

Preferably, the plug-in terminal is provided with a positioning hole, and a positioning screw positioned in the positioning hole is screwed above the positioning slot.

Compared with the prior art, the utility model has the following beneficial effects:

1. when impact force is encountered in chamfering, the whole base is retracted backwards, so that the buffer spring is stressed and compressed, an elastic buffer effect is achieved, and edge breakage of silicon wafers, sapphire substrate sheets, liquid crystal display screens and conductive glass workpieces is avoided;

2. the grinding head is formed by splicing a plurality of grinding sheets and is fixed on the periphery of the positioning ring, and when one part of the grinding sheets are severely worn, the grinding head can be partially replaced, so that the use cost is reduced;

3. the polishing piece is inserted into the positioning slot through the inserting terminal at the tail end and is reinforced by the positioning screw penetrating through the positioning hole, so that the polishing piece is good in mounting stability, convenient to detach and convenient to replace.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall cross-sectional plan structure of the present utility model;

FIG. 2 is a schematic diagram of the overall top plan construction of the present utility model;

fig. 3 is a schematic plan view of a polishing sheet of the present utility model.

In the above figures: 1. a base; 2. a positioning ring; 3. grinding head; 4. a connecting disc; 5. a slide hole; 6. an assembly seat; 7. tightly pushing the screw; 8. a buffer spring; 9. a limit rod; 10. positioning the slot; 11. polishing the sheet; 12. a set screw; 13. a plug terminal; 14. and positioning holes.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. Wherein the exemplary embodiments are described as processes or methods depicted as flowcharts; although a flowchart depicts various operations or step processes as a certain order, many of the operations or steps can be performed in parallel, concurrently or simultaneously, and the order of the various operations can be rearranged. When its operations or steps are completed, the corresponding process may be terminated, and there may be additional steps not included in the drawings. The processes described above may correspond to methods, functions, procedures, subroutines, and the like, and embodiments of the utility model and features of the embodiments may be combined with one another without conflict.

The term "comprising" and variants thereof as used herein is intended to be open ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings; it is to be understood that for convenience of description, only some, but not all of the structures relevant to the present utility model are shown in the drawings.

Example 1

Given by fig. 1, the present utility model provides the following technical solutions: the utility model provides a metal bond beveling emery wheel, including base 1, the top center department of base 1 is fixed with holding ring 2, the outside of holding ring 2 is fixed with bistrique 3, the bottom center department of base 1 installs connection pad 4, be provided with assembly seat 6 under connection pad 4, the side of assembly seat 6 connects soon and is fixed with tight screw 7 in the top, slide hole 5 has been seted up around the assembly seat 6, the gag lever post 9 of passing slide hole 5 is installed around the bottom of connection pad 4, connect through buffer spring 8 between connection pad 4 and the assembly seat 6, fix assembly seat 6 on the output of motor, and use tight screw 7 in the top to fasten, when the chamfer processing runs into impact force, the whole back of base 1 is moved back, causes buffer spring 8 atress compression, play elastic buffer effect, avoid causing the silicon chip, sapphire lining, LCD screen and electrically conductive glass work piece to collapse.

Preferably, the base 1, the positioning ring 2 and the connecting disc 4 are integrally formed, and the overall structural strength is high.

Example two

Referring to fig. 1 and 2, as another preferred embodiment, the difference from the first embodiment is that the grinding head 3 is formed by splicing a plurality of grinding sheets 11, the grinding sheets 11 are fixed around the positioning ring 2, the grinding head 3 is formed by splicing a plurality of grinding sheets 11 and fixed around the positioning ring 2, and when a part of the grinding sheets 11 are severely worn, local replacement can be performed, thereby reducing the use cost.

Example III

Referring to fig. 2 and 3, as another preferred embodiment, the difference from the first embodiment is that the positioning ring 2 is provided with positioning slots 10 around, and the polishing sheet 11 is inserted and fixed inside the positioning slots 10 through the insertion terminals 13 at the tail end.

Preferably, the positioning hole 14 is formed in the plug-in terminal 13, the positioning screw 12 located inside the positioning hole 14 is screwed above the positioning slot 10, the polishing sheet 11 is plugged into the positioning slot 10 through the plug-in terminal 13 at the tail end and reinforced by the positioning screw 12 penetrating through the positioning hole 14, so that the mounting stability is good, and the mounting and dismounting are convenient, and the replacement is convenient.

Working principle:

the assembly seat 6 is fixed at the output end of the motor and fastened by using the jacking screw 7, when impact force is encountered in chamfering processing, the whole base 1 is retracted backwards, so that the buffer spring 8 is compressed under stress, an elastic buffer effect is achieved, and silicon chips, sapphire substrate slices, liquid crystal display screens and conductive glass workpieces are prevented from being broken.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a metal bond beveling emery wheel, includes base (1), its characterized in that: the utility model discloses a base, including base (1), locating ring (2), connecting disc (4), connecting disc (6) are installed in the top center department of base (1), locating ring (2) are fixed with in the top center department of base (1), connecting disc (4) are provided with assembly seat (6) under, the side of assembly seat (6) connects soon and is fixed with tight screw (7) in top, slide hole (5) have been seted up around assembly seat (6), gag lever post (9) that pass slide hole (5) are installed around the bottom of connecting disc (4), be connected through buffer spring (8) between connecting disc (4) and assembly seat (6).

2. A metal bond beveling wheel in accordance with claim 1 wherein: the base (1), the locating ring (2) and the connecting disc (4) are integrally formed.

3. A metal bond beveling wheel in accordance with claim 1 wherein: the grinding head (3) is formed by splicing a plurality of grinding sheets (11), and the grinding sheets (11) are fixed on the periphery of the positioning ring (2).

4. A metal bond beveling wheel in accordance with claim 3 wherein: positioning slots (10) are formed in the periphery of the positioning ring (2), and the polishing sheets (11) are fixedly inserted into the positioning slots (10) through inserting terminals (13) at the tail ends.

5. A metal bond beveling wheel in accordance with claim 4 wherein: the plug-in terminal (13) is provided with a positioning hole (14), and a positioning screw (12) positioned in the positioning hole (14) is screwed above the positioning slot (10).