CN2701589Y

CN2701589Y - Abrasive disc with improved structure

Info

Publication number: CN2701589Y
Application number: CN 200420047634
Authority: CN
Inventors: 陈龙郎
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-06
Filing date: 2004-04-06
Publication date: 2005-05-25
Anticipated expiration: 2014-04-06

Abstract

The utility model relates to an abrasive disc with improved structure. The abrasive disk is chiefly provided with a base board which is associated with the abrasive equipment, one side of the base board at variance with the abrasive equipment is associated with the master disc body, and one side of the master disc body at variance with the base board is applied for the abrasive layer which is provided with through holes; one side of the master disc body towards the abrasive layer is provided with a circular trench, the periphery of the circular trench is provided with a plurality of guide grooves, the guide grooves slantwise extended to the outer margin along the tangential direction of rotating the abrasive disc; the circular trench is provided with a plurality of dust exhausting holes, and the base board corresponded with the dust exhausting holes is provided with through holes. As a result, the slanting guide grooves can drive the gas in the guide groove while grinding the abrasive disc, and the abrasive disc with improved structure can effectively improve the efficiency of eliminating the abrasive dust.

Description

Improve the abrasive disk of structure

Technical field

The utility model relates to a kind of abrasive disk structure, is meant that especially a kind of master spare is provided with the guide groove that tangentially extends towards grinding layer one side, can effectively promote the abrasive disk structure of the dust removing effects of abrasive disk spin finishing.

Background technology

Generally when polishing abrasive article surface, can produce many dusts that fly upward, make to be full of harmful powder in the surrounding environment, have a strong impact on lung health.Therefore bleed and get rid of the abrasive disk structure of dust having occurred a kind of usefulness on the market, as Fig. 9, shown in Figure 10, be a kind of abrasive disk structure of grinding spin finishing article on the facility 50 that is combined in, abrasive disk 6 is mainly by a substrate 60, an one master body 70 and an abrasive cloth 80 are formed, grind facility 50 and be provided with a cover body 53 that is connected with the structure of bleeding, substrate 60 1 sides protrude out one can lock the axostylus axostyle of tying in grinding facility 50, on the substrate 60 and be provided with several the perforation 62, substrate 60 differs from axostylus axostyle one side and is combined with a master body 70, master body 70 relative substrate 60 perforation 62 positions are provided with several dust exhausting holes 73, and a side of master body 70 tool annular grooves is fitted with a grinding layer 80, dust exhausting hole 73 positions of grinding layer 80 relative master bodies 70 are provided with several through holes 81, through adopting said structure, grind facility 50 when driving abrasive disk 6 spin finishings, activate the structure of bleeding simultaneously, make and grind the dust that produces and take out ejectment through the through hole 62 of substrate 60 by the structure of bleeding that connects cover body 53 by the dust exhausting hole 73 of the through hole of grinding layer 80 and master body 70 and go out.

Though above-mentioned abrasive structure tool pick-up performance, in use, its dust removing effects is poor, and details are as follows:

Abrasive disk 6 can produce the centrifugal force that is radiated out by the center when rotating, therefore grind the dust that produces and can be subjected to centrifugal forces affect, outwards throws away with radial, dust can't be pumped to by the structure of bleeding smoothly discharge the outside in the cover body 53 again.And the dust of commonly using the structure suction is only entered in the cover body 53 through the through hole 62 of substrate 60 by the through hole 81 of grinding layer 80, make that the pick-up performance of commonly using the abrasive disk structure is poor, can't improve the adverse circumstances of grinding work really, cause the operator still must in filling the air the environment of dust, work.Therefore, the abrasive disk of commonly using still has problems in the use.

Summary of the invention

At the problems referred to above, main purpose of the present utility model provides a kind of abrasive disk that can effectively promote the improvement structure of getting rid of the dust effect.

Another purpose of the present utility model is to provide a kind of scurries in the main abrasive disk air-flow by the abrasive disk rotation, makes dust attract to discharge the abrasive disk that improves structure more smoothly.

For achieving the above object, the abrasive disk of improvement structure provided by the utility model, it is mainly by a substrate that is incorporated into the grinding facility of tool cover body, the stacked in regular turn composition of one a master body and a grinding layer, substrate is provided with several perforation in cover body cover cap scope, wherein: the master body is concaved with a circular groove towards a side of grinding layer, circular groove is provided with number can bore a hole conducting to the interior dust exhausting hole of cover by substrate, the circular groove periphery is provided with several isogonism the guide groove that forms conducting with circular groove is set, each guide groove also extends the external edge of master towards abrasive disk counter-rotating tangential direction, grinding layer is pasted on the master body, and is provided with the through hole that several and master body circular groove form conducting.

Advantageously, the master body is pasted with a thread gluing lamellar body towards grinding layer one side, fits for grinding layer.

Wherein, each guide groove of master body forms the curved arc kenel that can make airflow smooth.

Each guide groove of master body forms towards the external edge of master and tightens the hole.

Each guide groove position of the relative master body of grinding layer is provided with the number perforation.

Description of drawings

Fig. 1 is a perspective exploded view of the present utility model;

Fig. 2 is a generalized section of the present utility model;

Fig. 3 is a partial cutaway schematic of the present utility model;

Fig. 4 is that the utility model grinds the schematic diagram of taking out dirt;

Fig. 5 is that the utility model grinding layer and thread gluing sheet are provided with the more schematic diagram of multiple punching;

Fig. 6 is the schematic diagram that abrasive disk shown in Figure 5 is taken out dirt;

Fig. 7 is that the utility model master body guide groove outer end forms the schematic diagram that tightens the hole;

Fig. 8 is the schematic diagram that the utility model master body guide groove forms the curved arc kenel;

Fig. 9 is a perspective exploded view of commonly using abrasive disk;

Figure 10 commonly uses abrasive disk to take out the dirt schematic diagram.

The specific embodiment

As shown in Figure 1 and Figure 2, a kind of abrasive disk that improves structure that is provided for the utility model embodiment, abrasive disk 1 is incorporated into and grinds on the facility 50, and abrasive disk 1 mainly is made of a substrate 10, a master body 20, a

thread gluing sheet

30 and 40 combinations of a grinding layer, wherein:

Grind facility 50 and be provided with the structure (indicating among the figure) of bleeding, grind facility 50 and be provided with a cover body 53 towards abrasive disk 1 one sides, cover body 53 also is provided with an aspirating hole 52 be connected with the runner 51 of the structure of bleeding (as shown in Figure 4).

Substrate 10 is a plectane body, be equipped with several perforation 12 on substrate 10 sides, substrate 10 protrudes out an axostylus axostyle 11 towards grinding facility 50 1 sides, as shown in Figure 1 and Figure 2, axostylus axostyle 11 locks are tied in grinding on the facility 50, make substrate 10 can be ground facility 50 and drive rotation (as shown in Figure 4).

Master body 20 is in the form of annular discs, master body 20 1 sides are incorporated into substrate 10 and differ from the side of grinding facility 50, and master body 20 differs from substrate 10 1 sides and is concaved with one and forms concentric circular groove 21 (as shown in Figure 1) with master body 20, respectively bore a hole 12 position of the relative substrate 10 in circular groove 21 bottom surfaces, be equipped with several dust exhausting holes 23, circular groove 21 peripheries are provided with several isogonism setting, and the guide groove 22 that is communicated with circular groove 21 formation, and each guide groove 22 extends master body 20 outer rims (as shown in Figure 3) towards the tangential direction of abrasive disk 1 rotation.

Thread gluing sheet 30 is the lamellar body (as shown in Figure 1) with master body 20 equivalent diameter, one side of thread gluing sheet 30 fits on the master body 20, the circular groove 21 and each guide groove 22 that thread gluing sheet 30 are covered cover master body 20, and the position of thread gluing sheet 30 relative master body 20 each guide groove 22 is respectively equipped with several perforation 31.

Grinding layer 40 and thread gluing sheet 30 equivalent diameter, and grinding layer 40 is provided with one towards a side of thread gluing sheet 30 can form the binding face of pasting with thread gluing sheet 30, but grinding layer 40 other sides then are provided with the abradant surface 400 on abrasive article surface, and 31 positions of respectively boring a hole of grinding layer 40 relative thread gluing sheets 30 are provided with several through holes 41, make each through hole 41 on the grinding layer 40 directly be communicated with (as shown in Figure 2) with each guide groove 22 formation of master body 20.

By above each assembly combination, when the abrasive disk 1 that the utility model embodiment is provided grinds (as shown in Figure 4), cover body 53 cover caps that grind facility 50 are in the perforation 12 of abrasive disk 1 substrate 10 sides, grind facility 50 and also drive abrasive disk 1 rotation, the abradant surface 400 contact grinding charge product surfaces of grinding layer 40 are ground, the side that the master body 20 of abrasive disk 1 differs from substrate 10 is concaved with circular groove 21, circular groove 21 relative substrate 10 perforation 12 positions are provided with dust exhausting hole 23, make circular groove 21 form conducting with the cover body 53 that grinds facility 50, circular groove 21 peripheries also extend the guide groove 22 that number forms along the rolling tangential direction, 40 of grinding layers are provided with the through hole 41 that can form conducting with the guide groove 22 of master body 20, therefore in the process that abrasive disk 1 grinds, the structure of bleeding of grinding facility 50 continues to be bled by cover body 53, make the dust that produces in the process of lapping, guide groove 22 openings by grinding layer 40 through holes 41 and master body 20 outer rims are inhaled in the circular groove 21, enter in the cover body 53 by the dust exhausting hole 23 of circular groove 21 and the perforation 12 of substrate 10 again, take out by the structure of bleeding and draw the outside.Because each oblique guide groove 22 of master body 20 is to extend (as shown in Figure 3) towards direction of rotation, therefore when abrasive disk 1 rotation, each guide groove 22 that tilts can make air-flow drive dust and be scurried in the circular groove 21 by guide groove 22, by the air-flow traction of scurrying into fast, the dust that can effectively attract abrasive disk 1 to reach grinding layer 40 bottom surfaces is on every side scurried in the circular groove 21, improve the efficient of suction dust in the process of lapping, make the grinding working environment no longer fill the air dust, avoid the worker to suck dust and cause going to bits.

As Fig. 5, shown in Figure 6, for the utility model thread gluing sheet 30 and grinding layer 40 relative master body 20 dust exhausting holes 23 positions also are provided with several perforation 32,42, the dust of grinding layer 40 bottom surfaces can and be bored a hole by several through holes 41 42 suck in the structure of bleeding and discharge, to promote pick-up performance.

Again as shown in Figure 7, the outer end of the utility model master body 20 each guide groove 22 forms tightens hole 220, and each tightens hole 220 and forms suction nozzle, can more effectively improve the effect that guide groove 22 attracts dust, makes the air of grinding operation environment cleaner.

And for example shown in Figure 8, the guide groove 22 of the utility model master body 20 can be the curved arc shape, and air-flow can be flowed more smoothly, improves the pick-up performance of abrasive disk 1.

Above-mentioned explanation only is the general introduction of the utility model Partial Feature; only for being used to explain preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; therefore; all any modification or changes of doing according to the utility model all should be included in the protection domain of the present utility model.

In sum, the abrasive disk of improvement structure provided by the utility model can improve really fully commonly uses the shortcoming that abrasive disk produces, and can effectively promote to get rid of the dust effect, and make dust attract discharge more smooth and easy, has reached the purpose of this utility model.

Claims

1, a kind of abrasive disk that improves structure, it mainly is incorporated into substrate, a master body of the grinding facility of tool cover body by one and a grinding layer is stacked in regular turn forms, and described substrate is provided with several perforation in cover body cover cap scope, it is characterized in that:

Described master body is concaved with a circular groove towards a side of grinding layer, described circular groove is provided with the dust exhausting hole that number can be communicated to described cover body inside by described substrate perforation, described circular groove periphery is provided with several isogonism setting, and form the guide groove that is communicated with described circular groove, each described guide groove is also towards the oblique external edge of master that extends of abrasive disk direction of rotation, described grinding layer is pasted on the described master body, and is provided with the through hole that several and described master body circular groove form conducting.

2, the abrasive disk of improvement structure as claimed in claim 1 is characterized in that: described master body is pasted with a thread gluing sheet for described grinding layer applying towards described grinding layer one side.

3, the abrasive disk of improvement structure as claimed in claim 1 is characterized in that: each guide groove position of the described relatively master body of described grinding layer is provided with the number perforation.

4, the abrasive disk of improvement structure as claimed in claim 1 is characterized in that: each guide groove of described master body forms the curved arc kenel that can make airflow smooth.

5, as the abrasive disk of claim 1 or 4 described improvement structures, it is characterized in that: described each guide groove of master body forms towards the external edge of master and tightens the hole.