Improve the grinding wheel that grinding heat dissipation improves grinding quality
Technical field
The utility model relates to a kind of precision grinding tools, in particular, the utility model relates to a kind of grinding wheels for grinding.
Background technique
Grinding wheel generates a large amount of grinding heat in grinding process, and the grinding heat that present grinding wheel generates in grinding process cannot
Distribute in time, generate following defect: first is that being also easy to produce grinding burn phenomenon, service life is short;Second is that abrasive dust cannot effectively band
Grinding wheel out is also easy to produce grinding and scratches phenomenon, causes grinding quality poor;Third is that crushing interval is short, grinding efficiency is reduced.
Summary of the invention
In view of the shortcomings of the prior art, the utility model provides one kind to significantly improve grinding heat dissipation, and significant extend uses the longevity
Life, the improvement grinding heat dissipation for improving grinding quality improve the grinding wheel of grinding quality.
The utility model is achieved through the following technical solutions technical goal.
Improve the grinding wheel that grinding heat dissipation improves grinding quality, is thickness >=20mm grinding wheel, it is characterised in that: the grinding wheel
Both ends of the surface respectively set the annular groove of one with the grinding wheel cylindrical centre of surface axis coaxle: the grinding wheel diameter be greater than 200mm and
When no more than 500mm, the annular groove width is 5~10mm, and depth is 1~2mm;The grinding wheel diameter is greater than 500mm and is not more than
When 600mm, the annular groove width is 15~20mm, and depth is 2~3mm;When the grinding wheel diameter is greater than 600 mm, the annular groove width is
25~40mm, depth are 2~3mm;On circumference between the annular groove and outer round surface of each end face of the grinding wheel, it is equipped with several
Uniformly distributed, eccentric, connection annular groove and outer round surface straight trough, the straight trough width is 2~4mm, deep consistent with the annular groove depth;?
On the end face of the grinding wheel, the intersection point of the outside trough rim of the central axis of the straight trough and the annular groove and the center of the grinding wheel
Line and the angle α of central axis of the straight trough be 10~20 °, the angle between adjacent straight groove center axis: the sand
When wheel diameter is greater than 200mm and is not more than 500mm, the angle between adjacent straight groove center axis is 18 °;The grinding wheel diameter
When being not more than 600mm greater than 500mm, the angle between adjacent straight groove center axis is 7.5 °;The grinding wheel diameter is greater than
When 600 mm, the angle between adjacent straight groove center axis is 6 °.
In above structure, it is preferable that the diameter of the central axis of the annular groove is the outer circle and diameter of bore of the grinding wheel
The sum of half.
In above structure, it is further preferred that on the outside of the central axis of the straight trough and the annular groove intersection point of trough rim with
The angle α of the central axis of the line at the center of the grinding wheel and the straight trough is 15 °.
The utility model compared with prior art, has the positive effect that:
It slots in the both ends of the surface of the grinding wheel, comprising the following steps:
1. the both ends of the surface of the utility model respectively set the annular groove of one with the grinding wheel cylindrical centre of surface axis coaxle, described
On circumference between the annular groove and outer round surface of each end face of grinding wheel, it is equipped with several uniformly distributed, eccentric, connection annular grooves and outer circle
The straight trough on surface passes through sand in this way, the utility model grinding wheel, in grinding process, cooling water is entered by grinding wheel both ends of the surface annular groove
The centrifugal force of wheel acts on, and cooling water is evenly distributed on to the both ends of the surface of grinding wheel and the grinding surface position of outer circle by straight trough, significantly
The a large amount of grinding heats generated during wheel grinding are reduced, it is significant to extend grinding wheel service life, grinding burn phenomenon is substantially reduced,
Improve grinding surface quality;Eccentric straight trough is also convenient for cooling water and effectively takes abrasive dust out of grinding wheel simultaneously, improves the row of grinding wheel
Bits ability substantially reduces grinding and scratches phenomenon, meanwhile, also significantly extend crushing interval time, significantly mentions grinding efficiency.
2. the diameter of the central axis of the annular groove is the outer circle of the grinding wheel and the half of the sum of diameter of bore, structure ratio
It is more balanced.
3. on the outside of the central axis of the straight trough and the annular groove line at the center of the intersection point and grinding wheel of trough rim with
The angle α of the central axis of the straight trough is 15 °, when grinding, and it is good that cooling water centrifugation throws away effect, further improves grinding and dissipates
Heat extends grinding wheel service life, improves grinding quality.
Detailed description of the invention
Fig. 1 is the utility model grinding wheel structure schematic diagram.
Fig. 2 is Fig. 1 right view.
Fig. 3 is A-A cross-sectional view in Fig. 1.
Specific embodiment
The utility model is described in further detail below according to attached drawing and in conjunction with the embodiments.
Embodiment one
The shown grinding wheel for improving grinding heat dissipation and improving grinding quality of attached drawing, is thickness >=20mm, grinding wheel diameter greater than 200mm
And it is not more than the grinding wheel of 500mm, the both ends of the surface 1 of the grinding wheel respectively set one and 2 central axis coaxial of grinding wheel cylindrical surface
Annular groove 3, the diameter of the central axis 3.3 of the annular groove 3 be the grinding wheel outer round surface 2 and the sum of 5 diameter of inner hole one
Half, 3 width of annular groove is 5mm, depth 1mm.
On circumference between the annular groove 3 and outer round surface 2 of each end face 1 of the grinding wheel, be equipped with 20 it is uniformly distributed, eccentric,
Be connected in the straight trough 4(other embodiments of annular groove 3 and outer round surface 2, can be equipped with 2~19 or uniformly distributed, eccentric more than 20,
It is connected to the straight trough 4 of annular groove 3 and outer round surface 2), 4 width of straight trough is 2mm, deep consistent with 3 depth of annular groove;In the sand
On the end face 1 of wheel, the intersection point 3.1.1 and the sand of the outside trough rim 3.1 of the central axis 4.1 of the straight trough 4 and the annular groove 3
The angle α of the central axis 4.1 of the line at the center of wheel and the straight trough 4 is 10 °, between adjacent 4 central axis 4.1 of straight trough
Angle is 18 °.
Embodiment two
The shown grinding wheel for improving grinding heat dissipation and improving grinding quality of attached drawing, is thickness >=20mm, grinding wheel diameter greater than 200mm
And it is not more than the grinding wheel of 500mm, the both ends of the surface 1 of the grinding wheel respectively set one and 2 central axis coaxial of grinding wheel cylindrical surface
Annular groove 3, the diameter of the central axis 3.3 of the annular groove 3 be the grinding wheel outer round surface 2 and the sum of 5 diameter of inner hole 1/
3,3 width of annular groove is 10mm, depth 2mm.
On circumference between the annular groove 3 and outer round surface 2 of each end face 1 of the grinding wheel, be equipped with 20 it is uniformly distributed, eccentric,
Be connected in the straight trough 4(other embodiments of annular groove 3 and outer round surface 2, can be equipped with 2~19 or uniformly distributed, eccentric more than 20,
It is connected to the straight trough 4 of annular groove 3 and outer round surface 2), 4 width of straight trough is 4mm, deep consistent with 3 depth of annular groove;In the sand
On the end face 1 of wheel, the intersection point 3.1.1 and the sand of the outside trough rim 3.1 of the central axis 4.1 of the straight trough 4 and the annular groove 3
The angle α of the central axis 4.1 of the line at the center of wheel and the straight trough 4 is 20 °, between adjacent 4 central axis 4.1 of straight trough
Angle is 18 °.
Embodiment three
The shown grinding wheel for improving grinding heat dissipation and improving grinding quality of attached drawing, is thickness >=20mm, grinding wheel diameter greater than 500mm
And it is not more than the grinding wheel of 600mm, the both ends of the surface 1 of the grinding wheel respectively set one and 2 central axis coaxial of grinding wheel cylindrical surface
Annular groove 3, the diameter of the central axis 3.3 of the annular groove 3 be the grinding wheel outer round surface 2 and the sum of 5 diameter of inner hole 2/
3,3 width of annular groove is 15mm, depth 2mm.
On circumference between the annular groove 3 and outer round surface 2 of each end face 1 of the grinding wheel, be equipped with 20 it is uniformly distributed, eccentric,
Be connected in the straight trough 4(other embodiments of annular groove 3 and outer round surface 2, can be equipped with 2~19 or uniformly distributed, eccentric more than 20,
It is connected to the straight trough 4 of annular groove 3 and outer round surface 2), 4 width of straight trough is 2mm, deep consistent with 3 depth of annular groove;In the sand
On the end face 1 of wheel, the intersection point 3.1.1 and the sand of the outside trough rim 3.1 of the central axis 4.1 of the straight trough 4 and the annular groove 3
The angle α of the central axis 4.1 of the line at the center of wheel and the straight trough 4 is 15 °, between adjacent 4 central axis 4.1 of straight trough
Angle is 7.5 °.
Example IV
The shown grinding wheel for improving grinding heat dissipation and improving grinding quality of attached drawing, is thickness >=20mm, grinding wheel diameter greater than 500mm
And it is not more than the grinding wheel of 600mm, the both ends of the surface 1 of the grinding wheel respectively set one and 2 central axis coaxial of grinding wheel cylindrical surface
Annular groove 3, the diameter of the central axis 3.3 of the annular groove 3 be the grinding wheel outer round surface 2 and the sum of 5 diameter of inner hole 2/
3,3 width of annular groove is 20mm, depth 3mm.
On circumference between the annular groove 3 and outer round surface 2 of each end face 1 of the grinding wheel, be equipped with 20 it is uniformly distributed, eccentric,
Be connected in the straight trough 4(other embodiments of annular groove 3 and outer round surface 2, can be equipped with 2~19 or uniformly distributed, eccentric more than 20,
It is connected to the straight trough 4 of annular groove 3 and outer round surface 2), 4 width of straight trough is 4mm, deep consistent with 3 depth of annular groove;In the sand
On the end face 1 of wheel, the intersection point 3.1.1 and the sand of the outside trough rim 3.1 of the central axis 4.1 of the straight trough 4 and the annular groove 3
The angle α of the central axis 4.1 of the line at the center of wheel and the straight trough 4 is 10 °, between adjacent 4 central axis 4.1 of straight trough
Angle is 7.5 °.
Embodiment five
The shown grinding wheel for improving grinding heat dissipation and improving grinding quality of attached drawing, is thickness >=20mm, grinding wheel diameter greater than 600
The grinding wheel of mm, the both ends of the surface 1 of the grinding wheel respectively set the annular groove 3 of one with 2 central axis coaxial of grinding wheel cylindrical surface, described
The diameter of the central axis 3.3 of annular groove 3 be the grinding wheel outer round surface 2 and the sum of 5 diameter of inner hole 1/2, the annular groove 3 is wide
For 25mm, depth 2mm.
On circumference between the annular groove 3 and outer round surface 2 of each end face 1 of the grinding wheel, be equipped with 20 it is uniformly distributed, eccentric,
Be connected in the straight trough 4(other embodiments of annular groove 3 and outer round surface 2, can be equipped with 2~19 or uniformly distributed, eccentric more than 20,
It is connected to the straight trough 4 of annular groove 3 and outer round surface 2), 4 width of straight trough is 2mm, deep consistent with 3 depth of annular groove;In the sand
On the end face 1 of wheel, the intersection point 3.1.1 and the sand of the outside trough rim 3.1 of the central axis 4.1 of the straight trough 4 and the annular groove 3
The angle α of the central axis 4.1 of the line at the center of wheel and the straight trough 4 is 15 °, between adjacent 4 central axis 4.1 of straight trough
Angle is 6 °.
Embodiment six
The shown grinding wheel for improving grinding heat dissipation and improving grinding quality of attached drawing, is thickness >=20mm, grinding wheel diameter greater than 600
The grinding wheel of mm, the both ends of the surface 1 of the grinding wheel respectively set the annular groove 3 of one with 2 central axis coaxial of grinding wheel cylindrical surface, described
The diameter of the central axis 3.3 of annular groove 3 be the grinding wheel outer round surface 2 and the sum of 5 diameter of inner hole 2/3, the annular groove 3 is wide
For 40mm, depth 3mm.
On circumference between the annular groove 3 and outer round surface 2 of each end face 1 of the grinding wheel, be equipped with 20 it is uniformly distributed, eccentric,
Be connected in the straight trough 4(other embodiments of annular groove 3 and outer round surface 2, can be equipped with 2~19 or uniformly distributed, eccentric more than 20,
It is connected to the straight trough 4 of annular groove 3 and outer round surface 2), 4 width of straight trough is 4mm, deep consistent with 3 depth of annular groove;In the sand
On the end face 1 of wheel, the intersection point 3.1.1 and the sand of the outside trough rim 3.1 of the central axis 4.1 of the straight trough 4 and the annular groove 3
The angle α of the central axis 4.1 of the line at the center of wheel and the straight trough 4 is 20 °, between adjacent 4 central axis 4.1 of straight trough
Angle is 6 °.