CN220408250U

CN220408250U - Corner polishing device

Info

Publication number: CN220408250U
Application number: CN202322033121.3U
Authority: CN
Inventors: 张国伟; 布小卫
Original assignee: Luoyang Demi Office Furniture Co ltd
Current assignee: Luoyang Demi Office Furniture Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-30
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to the technical field of steel office furniture production, in particular to a corner polishing device which comprises an angle grinder main body and a grinding wheel, wherein the output end of the angle grinder main body is fixedly connected with a quick-release assembly for mounting the grinding wheel, the quick-release assembly comprises a fixed seat fixedly connected with the output end of the angle grinder main body, the outer side of the fixed seat is fixedly connected with a support column and a plurality of positioning columns, the center of the support column is slidably connected with a pressing block, and the positions of the support column corresponding to the positioning columns are slidably connected with clamping blocks. The utility model has the advantages that: through setting up quick detach subassembly, when the emery wheel appears damaging, can be convenient for dismantle and the installation work to the emery wheel, need not to use specialized tool, effectively improve the convenience that the emery wheel was changed, and then ensure machining efficiency, the vibrations of equipment also can not influence the fixture block spacing to the emery wheel simultaneously, stability and security when effectively improving equipment use.

Description

Corner polishing device

Technical Field

The utility model relates to the technical field of steel office furniture production, in particular to a corner polishing device.

Background

The steel office furniture is a common office furniture type, mainly uses steel as a main material, has the characteristics of durability, firmness, easy cleaning and the like, and is widely applied to offices, schools, hospitals and other places, and the common steel office furniture comprises steel filing cabinets, steel bookshelf, steel office tables, steel office chairs, steel storage cabinets and the like.

In the production process of steel office furniture, the steel is required to be trimmed and deburred by an angle grinder so as to ensure that the surface of the manufactured office furniture is flat and smooth and the skin of a user is not scratched.

An angle grinder as disclosed in chinese patent CN210115785U, comprising a housing, a motor having a drive shaft, an output member to which a grinding disc is attached, and a transmission for transmitting torque from the drive shaft to the output member, the output member being utilized to cause the grinding disc to rotate at a high speed, and then dressing and deburring the steel.

But compare in the prior art in relevant field, the condition that the abrasion needs to be changed appears in the angle grinder when being used for cutting, grinding and brushing metal and stone material, need use the specialized tool to retrain the output component of angle grinder when changing, then use another specialized tool to dismantle spacing nut, consequently lead to the change process comparatively loaded down with trivial details inconvenient, and steel office furniture all is pipelining when producing, thereby can reduce the production progress of steel office furniture, and the condition of difficult change installation because of the smooth silk appears in the nut when changing the installation to the emery wheel, the use of angle grinder has been influenced, the nut is also easy to loosen because of vibrations when using simultaneously, thereby leave the risk that drops, there is certain potential safety hazard.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

The utility model aims to overcome the defects of the prior art, solve the problems in the background art and provide a corner polishing device.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a corner grinding device, includes angle mill main part and emery wheel, the output fixedly connected with of angle mill main part is used for the installation the quick detach subassembly of emery wheel, the quick detach subassembly include with the output fixedly connected with's of angle mill main part fixing base, the outside fixedly connected with support column and a plurality of reference column of fixing base, the center department sliding connection of support column has the briquetting, the support column corresponds a plurality of equal sliding connection in position of reference column has the fixture block, a plurality of the fixture block all pass through the connecting rod with the briquetting cooperation is connected, a plurality of the fixture block is kept away from the one end of connecting rod is the inclined plane, the inclined plane of fixture block is towards the outside.

Preferably, the support column and a plurality of the positioning columns are far away from the end parts of the fixing seat and are provided with chamfers, the positions of the grinding wheel corresponding to the support column and the positioning columns are provided with jacks, and the grinding wheel, the support column and the positioning columns can be conveniently assembled and installed by adopting the technical scheme.

Preferably, the center department of support column seted up with briquetting matched with first slide hole, the briquetting with connect through the elastic component cooperation between the first slide hole, the chamfer has been seted up to the opening part of first slide hole, through adopting above-mentioned technical scheme, can be convenient for press the briquetting, the hidden setting of briquetting can avoid influencing the normal grinding of emery wheel simultaneously.

Preferably, the support column is located the second sliding hole has all been seted up to the position of fixture block, the support column is located the movable groove has all been seted up to the position of connecting rod, the second sliding hole with first sliding hole is linked together, through adopting above-mentioned technical scheme, can improve the stability when fixture block and connecting rod activity.

Preferably, the fixture block is close to the articulated seat of one end fixedly connected with of connecting rod, the connecting rod pass through the pivot with articulated seat is articulated to be connected, through adopting above-mentioned technical scheme, has introduced the connecting rod how to be connected with the fixture block is articulated.

Preferably, the briquetting is located the connecting rod position has all seted up the hinge groove, the connecting rod through the pivot with the hinge groove articulates and is connected, through adopting above-mentioned technical scheme, has introduced the connecting rod how with the articulated connection of briquetting.

Compared with the prior art, the utility model has the following advantages:

this corner grinding device, through setting up quick detach subassembly, when the emery wheel appears damaging, can be convenient for dismantle and the installation work to the emery wheel, need not to use specialized tool, effectively improve the convenience that the emery wheel was changed, and then ensure machining efficiency, the vibrations of equipment also can not influence the fixture block to the spacing of emery wheel simultaneously, stability and security when effectively improving equipment use.

Drawings

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

FIG. 1 is a schematic view of a first view of the present utility model;

FIG. 2 is a schematic diagram of a second view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the clamping block according to the present utility model after the clamping block is retracted;

FIG. 4 is a schematic diagram of a second view angle of the clamp block according to the present utility model after the clamp block is retracted;

FIG. 5 is a schematic view of the split structure of the grinding wheel and quick release assembly of the present utility model;

FIG. 6 is a schematic view of a quick release assembly according to the present utility model;

FIG. 7 is a schematic view of the internal structure of the support column of the present utility model.

In the figure: 1. an angle grinder body; 2. grinding wheel; 3. a quick release assembly; 301. a fixing seat; 302. a support column; 303. positioning columns; 304. briquetting; 305. a clamping block; 306. a connecting rod; 307. a first sliding hole; 3071. an elastic member; 308. a second sliding hole; 309. a movable groove; 310. a hinge base; 311. hinge grooves.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

As shown in fig. 1-7, a corner polishing device comprises an angle grinder body 1 and a grinding wheel 2, wherein the output end of the angle grinder body 1 is fixedly connected with a quick-release assembly 3 for mounting the grinding wheel 2, the quick-release assembly 3 comprises a fixed seat 301 fixedly connected with the output end of the angle grinder body 1, the outer side of the fixed seat 301 is fixedly connected with a support column 302 and a plurality of positioning columns 303, as shown in fig. 5, the number of the positioning columns 303 is four, the four positioning columns 303 are circumferentially arrayed on the outer side of the fixed seat 301 by taking the center of the support column 302 as an axis, the ends of the support column 302 and the positioning columns 303 far away from the fixed seat 301 are provided with chamfers, the positions of the grinding wheel 2 corresponding to the support column 302 and the positioning columns 303 are provided with jacks, as shown in fig. 6 and 7, the center of the support column 302 is provided with a first sliding hole 307, the inner part of the first sliding hole 307 is axially slid with a pressing block 304, the pressing block 304 is connected with the first sliding hole 307 in a matched manner through the elastic piece 3071, the opening of the first sliding hole 307 is provided with a chamfer, the positions of the support columns 302 corresponding to the positioning columns 303 are respectively connected with the clamping blocks 305 in a sliding manner, the positions of the support columns 302, which are positioned on the clamping blocks 305, are respectively provided with the second sliding holes 308, the second sliding holes 308 are communicated with the first sliding holes 307, the clamping blocks 305 are respectively connected with the pressing block 304 in a matched manner through the connecting rods 306, as shown in figure 7, the pressing blocks 304, which are positioned on the connecting rods 306, are respectively provided with the hinge grooves 311, the connecting rods 306 are respectively connected with the hinge grooves 311 in a hinged manner through the rotating shafts, one end of each clamping block 305, which is close to the connecting rod 306, is fixedly connected with the hinge seat 310 through the rotating shafts, the positions of the support columns 302, which are positioned on the connecting rods 306, are respectively provided with the movable grooves 309, one ends of the clamping blocks 305, which are far away from the connecting rods 306, are inclined surfaces of the clamping blocks 305 face to the outer sides, as shown in fig. 1, 2, 3 and 4, when the grinding wheel 2 slides to the fixing base 301 on the surface of the support column 302, the grinding wheel 2 can promote the clamping block 305 to retract completely to the inside of the second sliding hole 308 through the inclined surface, then when the grinding wheel 2 does not press the clamping block 305 any more, under the promotion of the elastic piece 3071, the pressing block 304 can promote the clamping block 305 to extend out of the second sliding hole 308 through the connecting rod 306, so that the grinding wheel 2 is restrained by the clamping block 305, the grinding wheel 2 cannot slide axially, and the grinding wheel 2 rotates along with the output end of the angle grinder main body 1.

The working process of the utility model is as follows:

s1, as shown in FIG. 3, when the grinding wheel 2 is damaged, the pressing block 304 is pressed into the first sliding hole 307, so that the pressing block 304 presses the elastic piece 3071;

s2, as shown in FIG. 5, the clamping block 305 is promoted to completely retract into the second sliding hole 308 by utilizing the cooperation between the pressing block 304 and the connecting rod 306, and then the damaged grinding wheel 2 can be removed;

s3, during installation, the new grinding wheel 2 is connected with the support column 302 and the positioning column 303 in a sliding manner;

s4, when the grinding wheel 2 slides to the fixed seat 301 on the surface of the support column 302, the grinding wheel 2 can promote the clamping block 305 to completely retract into the second sliding hole 308 through the inclined surface;

s5, as shown in FIG. 1, when the grinding wheel 2 does not press the clamping block 305 any more, under the promotion of the elastic piece 3071, the pressing block 304 can cause the clamping block 305 to extend out of the second sliding hole 308 through the connecting rod 306, so that the grinding wheel 2 is restrained by the clamping block 305, the grinding wheel 2 cannot slide axially, and the grinding wheel 2 rotates along with the output end of the angle grinder body 1.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a corner grinding device which characterized in that: including angle mill main part (1) and emery wheel (2), the output fixedly connected with of angle mill main part (1) is used for installing quick detach subassembly (3) of emery wheel (2), quick detach subassembly (3) include with the fixing base (301) of the output fixedly connected of angle mill main part (1), the outside fixedly connected with support column (302) and a plurality of reference column (303) of fixing base (301), the center department sliding connection of support column (302) has briquetting (304), support column (302) corresponds a plurality of the equal sliding connection in position of reference column (303) has fixture block (305), a plurality of fixture block (305) all through connecting rod (306) with briquetting (304) cooperation is connected, a plurality of fixture block (305) are kept away from the one end of connecting rod (306) is the inclined plane, the inclined plane of fixture block (305) is towards the outside.

2. A corner grinding apparatus as claimed in claim 1, wherein: chamfer angles are formed at the ends, far away from the fixing seat (301), of the supporting columns (302) and the positioning columns (303), and insertion holes are formed in positions, corresponding to the supporting columns (302) and the positioning columns (303), of the grinding wheel (2).

3. A corner grinding apparatus as claimed in claim 1, wherein: the center of the support column (302) is provided with a first sliding hole (307) matched with the pressing block (304), the pressing block (304) is connected with the first sliding hole (307) in a matched mode through an elastic piece (3071), and the opening of the first sliding hole (307) is provided with a chamfer.

4. A corner grinding apparatus as claimed in claim 3, wherein: the support columns (302) are located at the positions of the clamping blocks (305) and are provided with second sliding holes (308), the positions of the support columns (302) located at the connecting rods (306) are provided with movable grooves (309), and the second sliding holes (308) are communicated with the first sliding holes (307).

5. A corner grinding apparatus as claimed in claim 1, wherein: the fixture block (305) is close to one end fixedly connected with articulated seat (310) of connecting rod (306), connecting rod (306) through pivot with articulated seat (310) articulated connection.

6. A corner grinding apparatus as claimed in claim 5, wherein: the pressing blocks (304) are positioned at the positions of the connecting rods (306) and are provided with hinge grooves (311), and the connecting rods (306) are hinged with the hinge grooves (311) through rotating shafts.