CN2280587Y

CN2280587Y - Diamond grinding wheel

Info

Publication number: CN2280587Y
Application number: CN97209928U
Authority: CN
Inventors: 曾春林
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-01-23
Filing date: 1997-01-23
Publication date: 1998-05-06
Anticipated expiration: 2007-01-23

Abstract

The utility model relates to a diamond grinding wheel, which can form a plurality of guide slots and guide channels with circular arc-shaped depression of bottom edge surfaces. Therefore, abrasion resistance of the guide slots and the guide channels can be increased; convenience of laying diamond powder can be increased, and the diamond grinding wheel can be prevented from being clamped in the guide slots and the guide channels. Accordingly, grinding operation, chip removal, and radiating efficiency of the diamond grinding wheel can be increased.

Description

The diamond abrasive wheel

The utility model relates to a kind of diamond abrasive wheel.

The structure of traditional diamond abrasive wheel can be referring to as shown in Figure 7, and it is mainly a hollow body that roughly is umbrella shape, is formed with a depressed part 42 on an end face of diamond abrasive wheel 40, and other end and periphery are then formed the sealing surface 44 of a umbrella shape jointly.On sealing surface 44, be radial several guide grooves 46 and the guide channel 47 of being concaved with, and be equipped with diamond dust at guide groove 46 that is arranged with on the sealing surface 44 and the part outside the guide channel 47 around diamond abrasive 40 centers of taking turns.Diamond abrasive is taken turns 40 central authorities and is equipped with the rotating mechanisms such as motivation of can powering and runs through the centre bore 48 of combination, can utilize the drive of rotating mechanisms such as motor like this, take turns the diamond dust of the surface of 40 sealing surfaces 44 laying by diamond abrasive article such as sole are ground moulding.

Yet this traditional diamond abrasive wheel 40 but has following shortcoming in structure and use:

(1) has an inclined plane because of each guide groove 46 of diamond abrasive wheel 40 and the root edge shape of guide channel 47, please referring to Fig. 8, therefore just can make an ora terminalis of each guide groove 46 or guide channel 47 opening parts form the abrasive tip 462 that angle is acute angle, 472, and when in fact grinding with 40 pairs of article of diamond abrasive wheel, mainly be still and utilize the two ends of guide groove 46 or guide channel 47 opening parts that article are produced abrasive action, so formed abrasive tip 462 of an end when guide groove 46 or guide channel 47 opening parts, 472 wear and tear because of grinding when contacting with body surface quite easily gradually, thereby lose its due grinding effect and shortened service life of diamond abrasive wheel 40.

(2) need to lay diamond dust in order to outside grinding except guide groove 46 and the sealing surface the guide channel 47 44 at diamond abrasive wheel 40, also need be equipped with the diamond dust of appropriate depth in the two ends of guide groove 46 and guide channel 47 opening parts, yet be formed with the abrasive tip 462 of acute angle because of an end of guide groove 46 and guide channel 47 opening parts, 472, so in abrasive tip 462,472 root edge can be formed with one and cover edge 464,474, this covering edge 464, the difficulty that 474 formation can cause diamond dust to be laid, therefore the user need strengthen the consumption of diamond dust when laying diamond dust, could allow abrasive tip 462,472 and cover edge 464,474 diamond dust is laid comparatively even.Yet, the often restriction on planform because of guide groove 46 and guide channel 47, the diamond dust amount of being laid on abrasive tip 462,472 is still quite limited and thinner, so just can improve diamond abrasive wheel 40 and make the difficulty of moulding and required cost, and reduce the service life of diamond abrasive wheel 40.

(3) because be formed with an inclination angle at the root edge place of guide groove 46 and guide channel 47, so the root edge of guide groove 46 and guide channel 47 also can be formed with the angle of an acute angle, and this acute angle angle is easy to allow and grinds the waste material that gets off from article and be stuck in wherein, and blocked guide groove 46 and guide channel 47, have influence on its dust lead effect.

(4) because on an end face of diamond abrasive wheel 40, be formed with the depressed part 42 of a hollow, so when diamond abrasive wheel 40 rotates, noise can take place because of diamond abrasive wheel 40 contacts generation resonance with the grinding of object in the depressed part 42 of diamond abrasive wheel 40, so just can have influence on the peacefulness of environment and operator's mood.

The utility model purpose is to provide that a kind of wear rate is low, diamond dust lays convenient and consumption is few, and can reduce the diamond abrasive wheel of noise.

To achieve these goals, an end face of diamond abrasive wheel of the present utility model is formed with a depressed part, another end face cooperates periphery to form the sealing surface of a umbrella shape, alternate several guide groove different in size and guide channel that be concaved with on described sealing surface, take turns central authorities at described diamond abrasive and be equipped with a centre bore, be characterized in:

The root edge of described guide groove and guide channel forms circular-arc depression, and the opening part two ends of guide groove and guide channel all form angle abrasive tip in obtuse angle.

The further characteristics of described diamond abrasive wheel are: be formed with several in described depressed part sunk part is divided into several regional separation ribs.Described separation rib can form cross with respect to centre bore; Be concaved with the groove of a ring-type at the top of described depressed part inner peripheral, the top of described centre bore outer peripheral edges is formed with the groove of a ring-type relatively, is installed with a ring-type capping that is used for sealing depressed part in the groove of the groove of described depressed part and centre bore; The root edge of described guide groove and guide channel also can form square depression.

Can obtain following advantage when using the utility model:

(1) it utilizes root edge to be the guide groove of circular arc or square depression and service life that guide channel can prolong abrasive wheel, reduces wear rate, improves the convenience of laying diamond dust and reduce diamond dust and lay consumption and avoid scrap to block, and can significantly improve the whole operation usefulness of diamond abrasive wheel.

(2) in addition, the utility model diamond abrasive wheel can or be provided with capping by the formation separation rib, absorbs the diamond abrasive wheel and grinds resonance energy when rotating, thereby reduce noise, with the peacefulness of safeguarding environment and the operation mood of avoiding influencing the user.

Below by preferred embodiment and further specify concrete structure characteristics of the present utility model and purpose in conjunction with the accompanying drawings.

Brief Description Of Drawings:

Fig. 1 is the stereo appearance figure of the diamond abrasive wheel of the utility model one preferred embodiment;

Fig. 2 is the part plan schematic diagram of the diamond abrasive wheel of Fig. 1;

Fig. 3 is the part plan schematic diagram of another embodiment of the utility model diamond abrasive wheel;

Fig. 4 is the stereo appearance figure that the utility model diamond abrasive wheel is provided with the another embodiment of separation rib;

Fig. 5 is the stereo appearance figure that another embodiment of capping is set in the utility model diamond abrasive wheel;

Fig. 6 is the main cross-sectional schematic of the diamond abrasive wheel of Fig. 5;

Fig. 7 is the stereo appearance figure of conventional diamond abrasive wheel;

Fig. 8 is the part plan schematic diagram of conventional diamond abrasive wheel shown in Figure 7.

Please referring to Fig. 1, it is the stereo appearance figure of the utility model one embodiment, as can be seen from FIG., diamond abrasive of the present utility model wheel 10 has a main body that roughly is umbrella shape, end face at diamond abrasive wheel 10 is formed with a depressed part 12, cooperates periphery to form the sealing surface 14 of a umbrella shape in other end face.Alternate several guide groove different in size 16 and the guide channel 17 of being concaved with on the periphery of sealing surface 14, on the surface outside guide groove 16 and the guide channel 17, be equipped with diamond dust on the sealing surface 14, be equipped with the centre bore 18 that rotating mechanism such as motivation runs through of to power at the center of diamond abrasive wheel 10.

Please cooperate referring to Fig. 2, by seeing among the figure, the guide groove 16 of the utility model diamond abrasive wheel 10 and the root edge of guide channel 17 are the circular arc depression, therefore can all constitute angle abrasive tip 162,172 in obtuse angle at guide groove 16 and guide channel 17 opening part two ends, abrasive tip 162,172 can improve the structural strength of guide groove 16 and guide channel 17 opening parts, attrition rate when reducing 10 grindings of diamond abrasive wheel, thereby the service life of having improved diamond abrasive wheel 10.And, because the formation of abrasive tip 162,172 can avoid forming covering edge 464,474 (as shown in Figure 8) as traditional abrasive wheel, so can increase substantially the convenience that guide groove 16 and guide channel 17 are laid diamond dust, and the consumption of minimizing diamond dust, and increase the diamond dust amount that abrasive tip is laid, diamond abrasive wheel 10 is made, the cost of moulding thereby reduce, and prolongs the service life of diamond abrasive wheel 10.

Root edge because of guide groove 16 and guide channel 17 is to be arc depression again, so guide groove 16 and guide channel 17 root edges can not form the acute angle that blocks scrap, so can quicken the mass rate of emission of waste material in guide groove 16 and guide channel 17, improves the grinding efficiency that diamond abrasive is taken turns 10 integral body.

In addition, the root edge of guide groove 164 and guide channel 174 also can be the square depression as shown in Figure 3, like this, the opening part of guide groove 164 and guide channel 174 just forms the right angle end, can this improve guide groove 164 and the wearability of guide channel 174 and the laying efficient of diamond dust, simultaneously also can avoid waste material to be stuck in guide groove 164 and the guide channel 174, reach the effect that improves 10 operations of diamond abrasive wheel and chip removal effect.

Please referring to Fig. 4, it mainly is to be provided with several depressed part 12 is separated into several regional separation ribs 13 in the depressed part 12 of diamond abrasive wheel 10.Separation rib 13 can be cross or other suitable shapes with respect to centre bore 18, and they can suitably absorb the resonance energy that diamond abrasive wheel 10 grinds depressed part 12 when rotating, and therefore can relax the noise that produces when diamond abrasive wheel 10 grinds.Please cooperate referring to Fig. 5,6, can be arranged with the groove 122 of a ring-type at the top of depressed part 12 inner peripherals, be concaved with the groove 182 of a ring-type relatively in the outer peripheral edges of centre bore 18, in the groove 182 of the groove 122 of depressed part 12 and centre bore 18, can set firmly the capping 20 of a ring-type, in order to sealing depressed part 12.Capping 20 is except entering the depressed part 12 so as to preventing waste material, and it is unlikely significantly to external diffusion also can to allow diamond abrasive wheel 10 grind the resonance energy that rotates, and reduces the noise that the diamond abrasive wheel is sent, to keep the peacefulness of environment.

Claims

1. a diamond abrasive is taken turns, be formed with a depressed part on its end face, another end face cooperation periphery forms the sealing surface of a umbrella shape, alternate several guide groove different in size and guide channel that be concaved with on described sealing surface, take turns central authorities at described diamond abrasive and be equipped with a centre bore, it is characterized in that:

The root edge of guide groove and guide channel forms circular-arc depression, and the opening part two ends of guide groove and guide channel all form angle abrasive tip in obtuse angle.

2. diamond abrasive wheel according to claim 1 is characterized in that: be formed with several in described depressed part sunk part is divided into several regional separation ribs.

3. diamond abrasive wheel according to claim 2, it is characterized in that: described separation rib can form cross with respect to centre bore.

4. diamond abrasive wheel according to claim 1, it is characterized in that: the groove that is concaved with a ring-type at the top of described depressed part inner peripheral, the top of described centre bore outer peripheral edges is formed with the groove of a ring-type relatively, is installed with a ring-type capping that is used for sealing depressed part in the groove of the groove of described depressed part and described centre bore.

5. diamond abrasive wheel according to claim 1, it is characterized in that: the root edge of described guide groove and described guide channel can form square depression.