CN201439174U

CN201439174U - Quick drill bit grinder

Info

Publication number: CN201439174U
Application number: CN2009201541574U
Authority: CN
Inventors: 徐永欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-13
Filing date: 2009-05-13
Publication date: 2010-04-21
Anticipated expiration: 2019-05-13

Abstract

The utility model relates to a quick drill bit grinder; the top surface of a main body is provided with a plane grinding wheel, a general grinding wheel is upwards fixed on the side, the side of the top surface is provided with a corrective gauge, and an upright post capable of rotating and swinging is arranged on the side of the main body in an extending way; the upright post is hinged with a swing arm; an L-shaped cantilever is fixedly arranged on the swing arm; the L-shaped cantilever is hinged with a grinding arm which inclines in a certain angle; the grinding arm can be adjusted and positioned for a plurality of angles on the L-shaped cantilever by rotating and swinging; the front end of the grinding arm can be fixedly provided with a sleeve for clamping and fixing a drill bit, and the rear end of the grinding arm is provided with a feeding adjusting wheel, a fixed index adjusting wheel, a fixing and locking piece, a double-edge and a three-edge positioning points and a positioning plunger; simultaneously, the upright post is provided with a fixed inclination angle for the grinding of a rear inclination angle; and accordingly, the quick drill bit grinder can very easily carry out drill bit correction, edge grinding, static point grinding and rear inclination angle grinding.

Description

Quick drill grinder

Technical field

The utility model provides a kind of tool processes device, refers to a kind of quick drill grinder especially.

Background technology

Boring will use drill bit usually, drill bit uses the passivation that is bound to after a period of time, the drill bit of passivation must grind as just reusing, therefore abrasive drill work just uses the career field speech of drill bit, be bound to run into, but being familiar with this operator all knows, drill bit is angled difference according to the material difference of drilling workpiece, and it is divided into two or three symmetrical cutting edges again, two or three symmetrical dead points, two or three symmetrical back rake angles, its symmetry considers that again amount of grinding still can keep symmetry, and whether dead-center position grinds correctly, whether the angle of cutting edge or back rake angle grinds correctly, all is very important.

But its above-mentioned known abrasive drill if it does not have suitable experience, is to grind out correct drill bit angle and relevant AXIALLY SYMMETRIC PROBLEMS, and cause drilling bit grinding is the work that experience person is arranged always.

Most on the market drill bits are all spiral bit, but in recent years because the service efficiency of spiral bit is not good, and must before boring, use centre drill, so what is called " drill bit fast " is finished out in exploitation, its stock-removing efficiency is good, and need not use centre drill,, but there is no a kind of facility of this kind drill bit of can simple and easyly refacing on the market so drill bit is gradually accepted for market fast.

Summary of the invention

The utility model purpose is, a kind of quick drill grinder is provided, it proofreaies and correct drill bit cutting edge length fast by corrective gauge, utilize fixed point rotation correction cutting edge position thereafter, reach the just effect of abrasive drill easily of the experience of exempting from, and spiral bit can be made into quick drill bit and improve drilling efficiency and life-span, and have feeding and calibration function.

According to above-mentioned purpose, a kind of quick drill grinder is characterized in that, includes:

One main body, the end face of this main body is provided with a flat-faced wheel, the side of this main body up or is tiltedly fixed an emery wheel, the end face side of this main body is provided with a corrective gauge, the height of one correction surface of this corrective gauge is equal to this flat-faced wheel height, and but this main body side up extends the column that is provided with a swing, on this column with the swing arm that is pivoted of first articulated section and first fixed handle, and be installed with a L type cantilever in this swing arm, be pivoted with one with one second articulated section and one second fixed handle on this L type cantilever and can on L type cantilever, carry out the grinding arm that the multi-angle swing is adjusted and located and tilt, grind the arm front end and set firmly a removable sleeve in order to clamping one quick drill bit, this grinding arm rear end is provided with feeding adjustment wheel and a fixed point calibration adjustment wheel and a solid latch fitting, and has a twolip, three sword anchor points and a location inserted link.

Wherein, be drilled with three index holes according to first angle, second angle and third angle degree on the side wall surface of this second articulated section, and this grinding arm counterparty is to being embedded with a steel ball spring that can be positioned in the one hole.

Wherein, this column is provided with a projection, and its lock is established one and limited the adjustment screw of this projection swing angle in order to adjustment, and this main body is provided with a block and is barred from this adjustment screw.

Wherein, this swing arm is provided with a deep-slotted chip breaker, and this column is provided with a positioning rod, and this backstay is inserted in this deep-slotted chip breaker, and this swing arm and the swing angle of this quick drill bit on this flat-faced wheel just equal quick drill bit back rake angle.

Wherein, this corrective gauge is one can press down the movable corrective gauge to dip.

Pass through said structure, it can utilize this corrective gauge and proofread and correct drill bit cutting edge length fast, utilize fixed point rotation recoverable cutting edge position thereafter, this corrective gauge and flat-faced wheel are with high, so when drill bit is moved to flat-faced wheel, can carry out cutting edge fast and accurately grinds, again via twolip, the quick 180 degree rotations of three sword anchor points, locate through positioning pluging rod, can carry out symmetrical cutting edge grinding and dead point immediately grinds, again via twolip, the quick 180 degree rotations of three sword anchor points, the cutting edge and the dead point that can carry out opposite side grind, but again the arm side is made the back rake angle of flat-faced wheel abrasive drill to swing, again utilize twolip thereafter, three sword anchor point fast rotational, 180 degree location, grind the back rake angle of symmetry again, reach just abrasive drill easily of the experience of exempting from, and angle is ground correct and symmetrical really, and the utility model moulding is lightly operated easily and is not taken up space, adopt the location fixed-point type not need any experience, spiral bit can be made into quick drill bit and improve drilling efficiency and life-span, the utility model and have feeding and the calibration function.

Description of drawings

Fig. 1: one embodiment schematic perspective view of the present utility model.

Fig. 2: feed motion of the present utility model and fixed point revolution schematic diagram.

Fig. 3: pendulum is adjusted the action schematic diagram on the grinding arm of the present utility model.

Fig. 4: sharpening mouth schematic diagram of the present utility model.

Fig. 5: mill dead point schematic diagram of the present utility model.

Fig. 6: mill back rake angle schematic diagram of the present utility model.

Fig. 7: another example installing view of general emery wheel of the present utility model.

The specific embodiment

Consult shown in Figure 1ly, the utility model provides a kind of quick drill grinder, comprising:

One main body 20, the end face of this main body 20 is provided with a flat-faced wheel 21, the side of this main body 20 is up fixed a plain wheel 22, the end face side of this main body 20 is provided with a corrective gauge 23, and but main body 20 sides up extend the column 30 that is provided with a swing, a swing arm 31 is pivoted on this column 30, and be installed with a L type cantilever 32 in this swing arm 31, be pivoted with one on this L type cantilever 32 and be the grinding arm 40 that special angle tilts, this grinding arm 40 can carry out the swing adjustment and the location of multi-angle on L type cantilever 32, grind arm 40 front ends and can set firmly a sleeve 41 with the quick drill bit 10 of clamping, grind arm 40 rear ends and be provided with feeding adjustment wheel 42 and fixed point calibration adjustment wheel 43 and solid latch fitting 44 (as shown in Figure 2), and has a twolip, three sword anchor points 45 and positioning pluging rod 46, in view of the above, being able to carry out quite easily drill bit proofreaies and correct, cutting edge grinds, dead point grinds and back rake angle grinds.

Consult shown in Figure 2, this quick drill bit 10 is selected suitable sleeve 41, be fixed to the front end that grinds arm 40, thereafter with column 30 rotations, make and grind arm 40 subtend corrective gauges 23, this corrective gauge 23 has and waits the correction surface 231 that is higher than flat-faced wheel 21, adjusts the feeding adjustment of grinding on the arm 40 and takes turns 42, the correction surface 231 that the cutting edge 13 of quick drill bit 10 will push up corrective gauge 23, but the position of cutting edge 13 is also incorrect.This quick drill bit 10 can be done the fixed point revolution and adjust, because of its dead point 11 arrives the location, when being cutting edge 13 malpositions, unclamp solid latch fitting 44, can adjust fixed point calibration adjustment wheel 43 fixes a point to rotate, and then make cutting edge 13 position adjustment correct, and should this fixed point calibration adjustment wheel 43 of solid latch fitting 44 lockings.

Consult shown in Figure 3, L type cantilever 32 second articulated sections 321 of this quick drill grinder are provided with one second fixed handle 322, after second fixed handle 322 unclamped, this grinding arm 40 can be rotated for axle according to second articulated section 321, and on the side wall surface of this second articulated section 321 according to first angle (can be 31 degree), second angle (can be 59 degree) and third angle degree (can be 90 degree) are drilled with three

holes

3211,3212,3213, and grind arm 40 counterparties to being embedded with steel ball spring 47, when this grinding arm 40 was adjusted to special angle, this steel ball spring 47 can be positioned in one

hole

3211 or 3212 or 3213.

Consult shown in Figure 4, Rotary cloumn 30 makes grinding arm 40 cross this corrective gauge 23 and alignment flat-faced wheel 21, to grind arm 40 reverse swings and be positioned to the first angle hole 3211, it is just identical with the position of proofreading and correct on corrective gauge 23, can start flat-faced wheel 21 and carry out the grinding of cutting edge 13, and in the process, the feeding adjustment wheel 42 that grinds arm 40 is can finely tune feeding to adjust amount of grinding.After grinding is finished, positioning pluging rod 46 is pulled up a height, this grinds the revolution of arm 40 adjustable points, up to the twolip that grinds arm 40 side faces, three sword anchor points 45 once more during positioned in alignment inserted link 46, this positioning pluging rod 46 can insert the location immediately, this twolip adjustment is that positioning pluging rod 46 is located immediately can grind cutting edge 14 again after transferring 180 degree.

Consult shown in Figure 5, after this second fixed handle 322 unclamps, grinding arm 40 can up be adjusted to and align the second angle hole 3212, it is ground dead point, this moment is fixing with this second fixed handle 322, serve as the axle rotation with column 30 again, make the dead point 11 of quick drill bit 10 rely on general emery wheel 22, and column 30 is provided with projection and establishes and adjust screw 33, this main body 20 is provided with a block 24, and this block 24 is adjusted the adjustment screw 33 swing angles of restriction column 30, with control dead point 11 thickness, and the dead point 11 of this quick drill bit 10 is against general emery wheel 22 grindings, after dead point 11 has ground, positioning pluging rod 46 is pulled out liter one height, again behind spin finishing arm 40 1 hundred 80 degree, positioning pluging rod 46 inserts the location immediately, can utilize this general emery wheel 22 to grind another dead point 12.

Consult shown in Figure 6, after this second fixed handle 322 (as shown in Figure 7) unclamps, grinding arm 40 can down be adjusted and align to the first angle hole 3211 (as shown in Figure 7), 30 on this swing arm 31 and column are established first articulated section 34, this first articulated section 34 is provided with first fixed handle 341, and swing arm 31 is provided with deep-slotted chip breaker 311, column 30 is provided with backstay 35, this backstay 35 is inserted in the deep-slotted chip breaker 311, so when first fixed handle 341 loosens, and during swing arm 31 swings, its scope of activities is exactly the arc length scope of deep-slotted chip breaker 311, so when putting to deep-slotted chip breaker 311 terminal points, also representing this

quick drill bit

10 and 21 of flat-faced wheels is to have correct back rake angle, at this moment, first fixed handle 341 need only lock, just can grind out the correct back rake angle of one 15, this positioning pluging rod 46 extracted a height thereafter, grind arm 40 fixed point revolutions 180 degree, positioning pluging rod 46 inserts the location once more immediately, just can grind out another correct back rake angle 16 once more, so correctly ground out quick drill bit 10, and spiral bit also become a quick drill bit 10 through this program.

Consult shown in Figure 7ly, this general emery wheel 22 also can be loaded on highly concordant to flat-faced wheel 21, and the angle special angle (can be 28 degree) that then tilts so also can grind this

dead point

11,12.

Above-mentioned this corrective gauge 23 (as shown in Figure 1) can be made into movable corrective gauge 23, after rule 23 to be corrected are proofreaied and correct and are finished, can be with this corrective gauge 23 to pressing down to reduce its position, so, this grinding arm 40 just can be directly proofreaied and correct the back directly swing to flat-faced wheel 21 can grind, more save time.

Claims

1. a quick drill grinder is characterized in that, includes:

2. quick drill grinder as claimed in claim 1, it is characterized in that, be drilled with three index holes according to first angle, second angle and third angle degree on the side wall surface of this second articulated section, and this grinding arm counterparty is to being embedded with a steel ball spring that can be positioned in the one hole.

3. quick drill grinder as claimed in claim 1 is characterized in that this column is provided with a projection, and its lock is established one and limited the adjustment screw of this projection swing angle in order to adjustment, and this main body is provided with a block and is barred from this adjustment screw.

4. quick drill grinder as claimed in claim 1 is characterized in that this swing arm is provided with a deep-slotted chip breaker, this column is provided with a positioning rod, this backstay is inserted in this deep-slotted chip breaker, and this swing arm and the swing angle of this quick drill bit on this flat-faced wheel just equal quick drill bit back rake angle.

5. quick drill grinder as claimed in claim 1 is characterized in that, this corrective gauge is one can press down the movable corrective gauge to dip.