Curved surface grinding wheel of panel

Abstract

The utility model is suitable for the technical field of grinding wheels, and provides a curved surface grinding wheel of a panel. The inner supporting disc is welded to the center of the inner side wall of the fixing ring; the butt joint shaft is welded to the center position of the outer wall of the side, adjacent to the fixing ring, of the inner supporting disc; the outer bulge is integrally cast and molded on the outer side wall of the fixing ring; the mounting holes are formed in the fixing ring and the outer side wall of the outer bulge; the outer frosted block, the middle frosted block and the inner frosted block are arranged on the outer side of the outer protrusion, the middle frosted block is located between the outer frosted block and the inner frosted block, and the inner frosted block is fixedly connected with the outer protrusion; the outer dull polish block, the middle dull polish block and the inner dull polish block form the grinding material structure with the inwards-sunken cambered surface, the outwards-protruding curved surface part of the panel can be fully ground, large-area grinding operation can be achieved through one-time attachment, the grinding efficiency is high, and it can be guaranteed that grinding is sufficient and even.

Description

TECHNICAL FIELD

[0001] The utility model belongs to abrasive disc technical field especially relates to a curved surface grinding abrasive disc of panel. BACKGROUND

[0002] Abrasive disc is also called consolidated abrasive, abrasive disc is consolidated abrasive of ordinary abrasive consolidated into certain shape by binder, abrasive disc is the largest and most widely used one among abrasive, and abrasive disc can rotate at high speed during use, and can be used for rough grinding, semi-precision grinding and precision grinding, and cutting and so on of outer circle, inner circle, plane and various profiles of metal or nonmetal workpiece.

[0003] Some existing panel has curved surface, and the curved surface needs to be ground by abrasive disc during polishing, some abrasive discs are customized according to the angle of the curved surface to ensure that the abrasive disc directly polishes the curved surface of the panel at high speed, improve the polishing efficiency, also ensure the polishing precision, but since the abrasive disc equipment is mostly manually held, when the abrasive disc is close to the curved surface part of the panel, the abrasive disc is difficult to accurately adhere to the panel under the hand holding, and the part of the abrasive disc is prone to excessive wear after repeated use, thereby causing that part of the curved surface of the panel cannot be fully polished, the abrasive disc needs to be replaced, and the problem of high replacement cost occurs.

[0004] Therefore, a curved surface grinding abrasive disc of panel is provided. UTILITY MODEL CONTENTS

[0005] The utility model provides a curved surface grinding abrasive disc of panel, aims at solving above -mentioned problem.

[0006] The utility model is such a realization, a curved surface grinding abrasive disc of panel, include: fixed ring, the inner support disc of welding in the fixed ring inner side wall central position, the butt joint axle of welding in the inner support disc adjacent fixed ring one side outer wall central position, the outer protruding of integrative cast in the fixed ring outer side wall, the mounting hole of setting up in the fixed ring and the outer protruding outer side wall, the outer grinding sand piece, the middle grinding sand piece and the inner grinding sand piece of being located at the outer protruding outer side position, the middle grinding sand piece is located between the outer grinding sand piece and the inner grinding sand piece, the inner grinding sand piece and the outer protruding fixed connection, the combination steel cover of embedding fixed in the outer side wall of the middle grinding sand piece and the inner grinding sand piece, the screw rod of being screwed in the combination steel cover inside.

[0007] Preferably, the eight outer protrusions are equidistantly arranged on the outer side wall of the fixed ring in the axial direction, and the cross section of the outer protrusion is arc-shaped.

[0008] Preferably, the mounting holes on the fixed ring and the outer protrusion are in communication.

[0009] Preferably, arc surfaces are formed on the inner side walls of the outer abrasive block, the middle abrasive block and the inner abrasive block respectively, the arc surfaces are connected and form a circular arc surface.

[0010] Preferably, the screw rod penetrates through the mounting hole, and a nut is arranged at one end of the screw rod.

[0011] Preferably, a through hole is formed on the outer side wall of the inner support disc near the outer side of the connecting shaft.

[0012] Compared with the prior art, the embodiment of the application has the following beneficial effects:

[0013] The abrasive structure formed by the outer abrasive block, the middle abrasive block and the inner abrasive block has an inwardly recessed arc surface, which can fully polish the outer convex curved surface of the panel, and a large area of polishing and grinding operation can be realized at one time, the polishing efficiency is high, and the polishing is sufficient and uniform; the outer abrasive block and the middle abrasive block can be conveniently replaced when they are seriously worn due to handheld polishing operation, without the need to replace the entire grinding wheel, and the replacement cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the utility model;

[0015] Figure 2 is a fixed ring structure schematic view of the utility model;

[0016] Figure 3 is a sectional view of the outer abrasive block, the middle abrasive block and the inner abrasive block of the utility model;

[0017] Figure 4 is a schematic view of the combination of the steel sleeve and the screw rod of the utility model.

[0018] In the figure: 1, fixed ring; 2, inner support disc; 3, connecting shaft; 4, outer convex part; 5, mounting hole; 6, outer abrasive block; 7, middle abrasive block; 8, inner abrasive block; 9, steel sleeve; 10, screw rod. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and the claims of this application as well as the above abstract are not intended to limit the application to the specific embodiments contained therein; the use of the terms "include", "includes" and "including" in the description and the claims of this application and the above abstract are intended to be non-exclusive, that is, the systems and / or methods described herein can include other items not listed.

[0020] Reference to an "embodiment" in this document means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combinable with other embodiments.

[0021] The utility model embodiment provides a curved surface grinding wheel of panel, as Figures 1-4 As shown in the figure, including fixed ring 1, the inside wall central position of fixed ring 1 is welded with inner support disc 2, the outer wall central position of one side of inner support disc 2 adjacent to fixed ring 1 is welded with butt joint shaft 3, the outer side position of the outer side wall of inner support disc 2 is close to butt joint shaft 3 and is equipped with through hole, the outer side of fixed ring 1 is integrally formed with outer protrusion 4, eight outer protrusions 4 are arranged, and eight outer protrusions 4 are arranged on the outer side wall of fixed ring 1 at equal intervals in axial direction, the cross section of outer protrusion 4 is circular arc, and the outer side wall of fixed ring 1 and outer protrusion 4 is equipped with mounting hole 5, the mounting hole 5 on fixed ring 1 and outer protrusion 4 is communicated, the outer side position of outer protrusion 4 is provided with outer grinding sand block 6, middle grinding sand block 7 and inner grinding sand block 8, middle grinding sand block 7 is located between outer grinding sand block 6 and inner grinding sand block 8, inner grinding sand block 8 is fixedly connected with outer protrusion 4, and the outer wall of one side of outer grinding sand block 6 and middle grinding sand block 7 is embedded with bonded steel sleeve 9, and the inside of bonded steel sleeve 9 is connected with screw rod 10 by screwing.

[0022] It should be noted that since the grinding wheel device is mostly manually held, when the grinding wheel is close to the curved surface part of the panel, the grinding wheel is difficult to accurately adhere to the panel under hand holding, and a part of the grinding wheel is likely to contact the panel first, and after repeated use, the part of the grinding wheel is likely to be excessively worn, thereby causing a part of the curved surface of the panel to be unable to be fully polished, the grinding wheel needs to be replaced, and the problem of high replacement cost occurs, the abrasive structure with inwardly recessed arc surface formed by outer grinding sand block 6, middle grinding sand block 7 and inner grinding sand block 8 can fully polish the outer protruding curved surface part of the panel, and a large area of polishing and grinding operation can be realized once adhering, the polishing efficiency is not only high, but also can ensure that the polishing is sufficient and uniform, and the outer grinding sand block 6 and the middle grinding sand block 7 can be conveniently replaced after being seriously worn due to hand polishing operation, without the need to replace the entire grinding wheel, and the replacement cost is low.

[0023] Specifically, in the embodiment, the scheme mainly comprises the outer protrusion 4, the outer abrasive block 6 and the middle abrasive block 7, in use, the grinding wheel is connected and fixed on the driving end of the handheld grinding machine through the butt joint shaft 3, the outer abrasive block 6, the middle abrasive block 7 and the inner abrasive block 8 form the inner curved surface structure, the grinding wheel is close to the curved surface part of the panel, until the outer abrasive block 6, the middle abrasive block 7 and the inner abrasive block 8 are located outside the curved surface, when the inner support disc 2 and the fixed ring 1 rotate at high speed, the outer abrasive block 6, the middle abrasive block 7 and the inner abrasive block 8 synchronously move at high speed in the axial direction, the outer abrasive block 6, the middle abrasive block 7 and the inner abrasive block 8 contact the curved surface part of the panel to polish and grind the curved surface part, when the inner side wall of the outer abrasive block 6 and the middle abrasive block 7 is worn and defective to cause the outer abrasive block 6 and the middle abrasive block 7 unable to tightly adhere to the curved surface part of the panel, the screw rod 10 is unscrewed, the outer abrasive block 6 and the middle abrasive block 7 are taken off from the outer protrusion 4, and the outer abrasive block 6 and the middle abrasive block 7 can be replaced.

[0024] As shown in the further preferred embodiment of the utility model, Figure 3 The inner side walls of the outer abrasive block 6, the middle abrasive block 7 and the inner abrasive block 8 are respectively provided with arc surfaces, the arc surfaces are connected in sequence and form a circular arc surface.

[0025] In the embodiment, the structure composed of the two outer abrasive blocks 6, the two middle abrasive blocks 7 and the inner abrasive block 8 can make the inner side walls fully adhere to the curved surface part of the panel, so that the panel is rapidly polished and ground.

[0026] As shown in the further preferred embodiment of the utility model, Figure 4 The screw rod 10 penetrates through the mounting hole 5, and one end of the screw rod 10 is provided with a nut.

[0027] In the embodiment, the outer abrasive block 6 and the middle abrasive block 7 can be installed and fixed on the outer protrusion 4 through the cooperation and connection of the screw rod 10 and the steel sleeve 9, so that the outer abrasive block 6 and the middle abrasive block 7 are convenient to disassemble and assemble.

[0028] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the action sequence described, because according to the utility model, certain steps can adopt other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the utility model.

[0029] In several embodiments provided by the present application, it should be understood that the disclosed apparatus can be implemented by other manners. For example, the apparatus embodiments described above are merely illustrative, for example, the division of the above units can have another division manner in actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or communication connection between the displayed or discussed units can be through some interfaces, indirect coupling or communication connection between the units, and can be electrical or other forms.

[0030] The units described above as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0031] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in each embodiment of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of the present application.

Claims

1. A curved surface grinding wheel for panel, characterized by, It includes: A fixed ring (1); An inner support disc (2) welded to the inner wall of the fixed ring (1) at the central position; An interface shaft (3) welded to the outer wall of the inner support disc (2) adjacent to the fixed ring (1) at the central position; An outer protrusion (4) integrally cast on the outer wall of the fixed ring (1); An installation hole (5) opened on the outer wall of the fixed ring (1) and the outer protrusion (4); An outer grinding block (6), a middle grinding block (7) and an inner grinding block (8) arranged at the outer side of the outer protrusion (4), the middle grinding block (7) being located between the outer grinding block (6) and the inner grinding block (8), and the inner grinding block (8) being fixedly connected with the outer protrusion (4); A combination steel sleeve (9) embedded and fixed on the outer wall of the middle grinding block (7) and the inner grinding block (8) respectively; A screw rod (10) screwed inside the combination steel sleeve (9).

2. A curved abrasive wheel for panel surfacing as claimed in claim 1 wherein, The outer protrusion (4) is provided with eight, and the eight outer protrusions (4) are arranged on the outer wall of the fixed ring (1) at equal intervals in the axial direction, and the cross section of the outer protrusion (4) is arc-shaped.

3. A curved abrasive wheel for panel sanding as defined in claim 1, wherein, The installation holes (5) on the fixed ring (1) and the outer protrusion (4) are connected.

4. The curved abrasive wheel for panel surface grinding as claimed in claim 1, wherein, The inner wall of the outer grinding block (6), the middle grinding block (7) and the inner grinding block (8) is respectively provided with an arc surface, the arc surfaces are connected and form a circular arc surface.

5. A curved abrasive wheel for panel sanding as defined in claim 1, wherein, The screw rod (10) penetrates through the installation hole (5), and one end of the screw rod (10) is provided with a nut.

6. A curved abrasive wheel for panel sanding as defined in claim 1, wherein, A through hole is opened on the outer wall of the inner support disc (2) near the outer side of the interface shaft (3).

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