CN201693683U

CN201693683U - Polygonal ceramic drill

Info

Publication number: CN201693683U
Application number: CN2010202234186U
Authority: CN
Inventors: 王淑敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-12
Filing date: 2010-06-12
Publication date: 2011-01-05
Anticipated expiration: 2020-06-12

Abstract

A novel polygonal ceramic drill comprises a drill handle and a drill point; the drill point is arranged on the head end of the drill handle, the drill point is flat, and the axis of the drill point coincides with the axis of the drill handle; the axial cross section of the drill point is polygonal in axial symmetry, the symmetry axis is in parallel with the axis of the drill handle, and the top end of the polygon is a sharp corner; the symmetry axes of the upper and lower bottom surfaces of the flat drill point deviate from the axis of the drill point along the planes of the two bottom surfaces with the same deviation size and in opposite directions. The polygonal ceramic drill better overcomes the ceramic tile broken situation, reduces the abrasion of the drill bit, accordingly improves the service life of the drill bit and also reduces the construction cost.

Description

The polygon pottery bores

Technical field

The utility model relates to a kind of drill bit, specifically is that a kind of polygon pottery bores.

Background technology

For the boring on the ceramic tile, use target drill in the prior art, but the unstable situation of these drill bit ubiquity results of use.For the not high ceramic tile of hardness, result of use still can be satisfied with, but for the high rigidity ceramic tile, during punching, causes the probability of ceramic tile fragmentation just very high.Like this, very high for operating personnel's requirement, nonetheless, can't accomplish that also the drill bit cutting edge does not damage.

Existing drill for tile comprises two major cutting edges, the main cause that causes the ceramic tile fragmentation is that the contact-making surface of brill cutter and ceramic tile is excessive, two major cutting edges are in rotary course rapidly, it is too many that input is eaten in the cutting of ceramic tile, and the cutting of two major cutting edges to eat input identical, must make two major cutting edge cutting resistances big, the vibrations that produce are also big, therefore, this irrational brill knife structure is to cause ceramic tile broken easily, and major cutting edge easily collapses the excessive master of piece breach and wearing and tearing in reason.

Summary of the invention

In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of new ceramic tile drill bit, concrete technical scheme is as follows:

A kind of novel polygon pottery bores, and comprises drillstock and apex point, and apex point is located at the drillstock head end;

Apex point is a flat pattern, and the axle of apex point overlaps with the axle of drillstock;

The axial cross section of apex point is a polygon, this polygon formation axial symmetry, and symmetry axis is parallel with the axle of drillstock, and polygonal top is a wedge angle;

The symmetry axis of upper and lower two bottom surfaces of flat pattern apex point depart from along plane, place, two bottom surfaces apex point the axle, and depart from measure-alike, direction is opposite.

The side of described flat pattern apex point is the plane.

The axial cross section of described apex point is all identical.

In the axial cross section polygon of described apex point, be respectively equipped with three limits about the left and right sides of symmetry axis, downward from the polygon top, constitute first blade, second blade and the 3rd blade.

Described first blade and described polygonal symmetry axis angulation are 30 degree ± 8 degree; First and second blade angulation is 140 degree ± 25 degree; Second and third blade angulation is 150 degree ± 20 degree.

Preferred version is that described first blade and described polygonal symmetry axis angulation are 35 degree; First and second blade angulation is 159 degree; Second and third blade angulation is 166 degree.

Described drillstock head end is provided with groove, and the apex point lower end is embedded in the groove.

The material of described apex point is a carbide alloy.The trade mark of this carbide alloy is YG15, YG4C, YG8C or YG11C.

The direct-connected drillstock of the utility model apex point, drillstock is circular, apex point at the top of drillstock seting welding carbide blade, the blade of carbide alloy has adopted the polygonal method of putting the first edge on a knife or a pair of scissors (general ceramic drilling with the method for putting the first edge on a knife or a pair of scissors of triangle and arc) as shown in the figure, to be applicable to that harder porcelain bores and has gone up boring (general pottery bore can only boring on common porcelain bores).

After adopting above structure, compared with prior art, this pottery bores and to have the following advantages: the one, reduced to bore the contact-making surface of cutter and ceramic tile, and the 2nd, input is eaten in the cutting of original two major cutting edges be divided into three parts, that is to say, cutting at one time is eaten input be divided into three cuttings and eat input.When rotary cutting, for the first time eating input by the cutting of first blade and cut, and then is to eat input by the cutting of second and third blade to cut, and so just reduces cutting resistance in the two major cutting edge cutting processes, cutting resistance has reduced, and correspondingly vibrations have also reduced.Therefore, overcome the broken phenomenon of frequent generation ceramic tile preferably, reduced bit wear, correspondingly prolonged the useful life of drill bit, also just reduced construction cost.

Description of drawings:

Fig. 1 is the schematic diagram that this pottery bores.

The specific embodiment:

Below in conjunction with the drawings and specific embodiments drill for tile of the present invention is described further.

A kind of novel polygon pottery bores, and comprises drillstock 2 and apex point 1, and apex point 1 is located at drillstock 2 head ends; Apex point 1 is a flat pattern, and the axle of apex point 1 overlaps with the axle of drillstock 2; The axial cross section of apex point 1 is a polygon, this polygon formation axial symmetry, and symmetry axis is parallel with the axle of drillstock, and polygonal top is a wedge angle; The symmetry axis of upper and lower two bottom surfaces of flat pattern apex point depart from along plane, place, two bottom surfaces apex point the axle 7, and depart from measure-alike, direction is opposite.

The side of described flat pattern apex point 1 is the plane.The axial cross section of described apex point 1 is all identical.

In this example, in the axial cross section polygon of described apex point 1, be respectively equipped with three limits about the left and right sides of symmetry axis 6, downward from the polygon top, constitute first blade 3, second blade 4 and the 3rd blade 5.

Described first blade 3 is 30 degree ± 8 degree with described polygonal symmetry axis 6 angulations; First and second blade angulation is 140 degree ± 25 degree; Second and third blade angulation is 150 degree ± 20 degree.

Preferred version is that described first blade 3 is 35 degree with described polygonal symmetry axis 6 angulations; First and second blade angulation is 159 degree; Second and third blade angulation is 166 degree.

Described drillstock 2 head ends are provided with groove, and apex point 1 lower end is embedded in the groove.

The material of described apex point 1 is a carbide alloy.The trade mark of this carbide alloy is YG15, YG4C, YG8C or YG11C.

Claims

1. a novel polygon pottery bores, and comprises drillstock and apex point, and apex point is located at the drillstock head end, it is characterized in that apex point is a flat pattern, and the axle of apex point overlaps with the axle of drillstock;

2. polygon pottery according to claim 1 bores, and the side that it is characterized in that described flat pattern apex point is the plane.

3. polygon pottery according to claim 1 and 2 bores, and it is characterized in that the axial cross section of described apex point is all identical.

4. polygon according to claim 3 pottery bores, and it is characterized in that in the axial cross section polygon of described apex point, is respectively equipped with three limits about the left and right sides of symmetry axis, and is downward from the polygon top, constitutes first blade, second blade and the 3rd blade.

5. polygon pottery according to claim 4 bores, and it is characterized in that described first blade and described polygonal symmetry axis angulation are 30 degree ± 8 degree; First and second blade angulation is 140 degree ± 25 degree; Second and third blade angulation is 150 degree ± 20 degree.

6. polygon pottery according to claim 1 bores, and it is characterized in that described drillstock head end is provided with groove, and the apex point lower end is embedded in the groove.

7. polygon pottery according to claim 1 bores, and the material that it is characterized in that described apex point is a carbide alloy.

8. polygon pottery according to claim 7 bores, and the trade mark that it is characterized in that described carbide alloy is YG15, YG4C, YG8C or YG11C.

9. polygon pottery according to claim 5 bores, and it is characterized in that described first blade and described polygonal symmetry axis angulation are 35 degree; First and second blade angulation is 159 degree; Second and third blade angulation is 166 degree.