CN202278452U

CN202278452U - Grinding wheel angle adjusting device for grinding drill blade

Info

Publication number: CN202278452U
Application number: CN2011203476100U
Authority: CN
Inventors: 姚志金; 黄兴才
Original assignee: CIN PHOWN TECHNOLOGY Co Ltd
Current assignee: CIN PHOWN TECHNOLOGY Co Ltd
Priority date: 2011-09-16
Filing date: 2011-09-16
Publication date: 2012-06-20
Anticipated expiration: 2021-09-16

Abstract

A grinding wheel angle adjusting device for grinding a drill blade is characterized in that a grinding wheel transmission set is assembled by the aid of a base, two pulleys are assembled on an end wall of the grinding wheel transmission set, the base is provided with an arc-shaped travel groove, an arc-shaped travel hole with a concentric track is arranged at the bottom of the arc-shaped travel groove, the two pulleys are guided by the arc-shaped travel groove so that the elevation angle of a grinding wheel on the grinding wheel transmission set is adjusted, and a positioning part is arranged among the arc-shaped travel hole, the arc-shaped travel groove and the end wall in a penetrating manner to position and release the angle of the grinding wheel transmission set adjusted on the base, so that the drill blade is grinded.

Description

Grind the emery wheel angular adjustment apparatus that drill lip is used

Technical field

The utility model relates to a kind of technical field of grinding the emery wheel that fine drill lip uses, the particularly angular adjustment apparatus of this emery wheel.

Background technology

Employed drill bit on the known bore operation that is applied to printed circuit board (PCB), its drill lip diameter can be small to the 0.1mm, this kind drill bit in the industry cycle is commonly referred to as micro drill.

Because the drill lip of micro drill needs to grind once more in use for some time, makes its precision of recovering Drilling, and prolongs its service life; But because the bore operation of printed circuit board (PCB) has adopted automated process mostly, the micro drill quantity of in its processing procedure, using is many, and even the quantity of micro drill to be ground is also definitely not within minority.Micro drill that will be to be ground with present employing manual work is placed on the anchor clamps of lapping machine one by one, drives the mode that emery wheel grinds again one by one and it seems, has been unable to cope with required.

In order to overcome this problem, but those skilled in the art have started to develop the special equipment of the fine drill lip of automatic grinding to micro drill.But on stream; Still meeting with has technical obstacle, comprises based on very tiny of the diameter of micro drill, and has the first trickleer sword face on its drill lip and treat with grinding with the second sword face; The angle that mounts that causes grinding with emery wheel requires also to improve relatively; Moreover the mounting angle and must make corresponding adjustment along with the angle difference of the first sword face and the second sword face of this emery wheel put off until some time later this emery wheel and cut when causing abrasion relative on the wheel face after the use because of durable grinding, and also must trace adjust the angle that mounts of emery wheel; But seen disclosed traditional abrasive machine or equipment at present, but do not possessed the ability that above-mentioned fine setting emery wheel mounts angle.

Summary of the invention

The purpose of the utility model be intended to improve tradition grind with emery wheel mount that angle is difficult to follow the sword face angle of micro drill and the technical problem of making corresponding fine setting, and then a kind of emery wheel angular adjustment apparatus that drill lip is used that grinds is provided, its technological means comprises:

One emery wheel transmission group comprises a motor, and this motor links driving one emery wheel rotation;

One pedestal is provided with at least one arcuation stroke groove, and arcuation stroke bottom land is provided with the arcuation stroke hole of a concentric track;

At least two pulleys, respectively hub setting and is led and is held in this arcuation stroke groove on an end wall of this emery wheel transmission group, makes the emery wheel transmission group can rely on the interior pulley of said arcuation stroke groove and adjust the elevation angle of this emery wheel; And

Positioning piece is worn and is organized between arcuation stroke hole, arcuation shape journey groove and said end wall, can locate and discharge the angle that this emery wheel transmission group is adjusted on pedestal.

Except that above-mentioned, the utility model also comprises a bearing on the implementation, and this emery wheel transmission group is to be positioned on this bearing, and said end wall is to be formed on this bearing.Be formed with the storage tank that limits this pulley position on this end wall.Have an arc distance between said two pulleys, this arc distance is less than the arc distance of this arcuation stroke groove.This keeper is an adjustment bolt, has a bolt head and a tightening latch, and this bolt head is revealed on this pedestal one outer wall, this tightening latch stretch through this arcuation stroke hole and arcuation shape journey groove, and be threadedly connected on the said end wall of this emery wheel transmission group.

According to above-mentioned technological means, the usefulness of the utility model is: can on pedestal, adjust the elevation angle of this emery wheel by accurate trace, and can be accomplishing this angle of location, adjustment back, in order to first and second sword face on the accurate and stable grinding micro drill.Moreover, when the emery wheel wheel face wears and tears, also be beneficial to and make corresponding adjustment in view of the above.

Understand above-mentioned technological means of the utility model and usefulness thereof for abundant, and implement the utility model according to this, see also the embodiment content and cooperate graphic explanation following:

Description of drawings

Fig. 1 is the stereogram of the utility model;

Fig. 2 be configuration shown in Figure 1 first to the angle three-dimensional exploded view;

Fig. 3 be configuration shown in Figure 1 second to the angle three-dimensional exploded view;

Fig. 4 is the side perspective of configuration shown in Figure 1;

Fig. 5 discloses the cut-away view of A-A section among Fig. 4;

Fig. 6 discloses the dorsal view of configuration shown in Figure 1;

Fig. 7 discloses the cut-away view of B-B section among Fig. 6;

Fig. 8 discloses the sketch map of the utility model one adjustment state.

Description of reference numerals: emery wheel transmission group 10; Motor 11; Emery wheel 12; End wall 13; Bearing 14;

Storage tank

15,16; Pedestal 20; Seat portion 21; Knee wall 22; Arcuation stroke groove 23; Arcuation stroke hole 24;

End face

25,26; Through

hole

27,28; Pulley 31,32;

Locking bolt

33,34; Elevation angle theta; Mount angle θ 1; Arc distance S1, S2; Keeper 40; Bolt head 41; Tightening latch 42.

The specific embodiment

Please merge and consult Fig. 1 to shown in Figure 7, explain that the utility model provides a kind of emery wheel angular adjustment apparatus that drill lip is used that grinds, comprise an emery wheel transmission group 10, a pedestal 20, at least two

pulley

31,32 and positioning piece 40.Wherein:

This emery wheel transmission group 10 is to form (as shown in Figure 3) by a motor 11 and an emery wheel 12 modules; The axle center of this motor 11 is coaxial centers that are linked to this emery wheel 12; Rely and rely on motor 11 directly to drive these emery wheel 12 rotations; And the wheel face that makes emery wheel 12 produces ablation power, so that the drill lip of micro drill carried out the usefulness of attrition process.

This pedestal 20 has a portion 21 (extremely shown in Figure 3 like Fig. 1) on the implementation; And extend to form a knee wall 22 by seat portion; These knee wall 22 1 end faces 25 are provided with at least one arcuation stroke groove 23; And the bottom land of arcuation stroke groove 23 be provided with one with its arcuation stroke hole 24 (cooperating shown in Figure 7) in concentric tracks, and this arcuation stroke groove 23 is connected with arcuation stroke hole 24, and the other end 26 that is these knee walls 22 of break-through, this arcuation stroke hole 24.

Said two

pulleys

31,32; Utilize

locking bolt

33,34 hub settings respectively on an end wall 13 of this emery wheel transmission group 10 (like Fig. 2 and shown in Figure 5); And lead and be held in this arcuation stroke groove 23; Make emery wheel transmission group 10 can adjust the elevation angle theta (as shown in Figure 4) of this emery wheel 12 by means of the

pulleys

31,32 in the said arcuation stroke groove 23, this elevation angle theta means emery wheel 12 center lines to adjustable emery wheel 12 between the horizontal line and mounts angle θ 1 (cooperating shown in Figure 8).The bilateral outer rim place in these knee wall 22 contiguous arcuation stroke holes 24; Be provided with the through

hole

27,28 that to spy on and to tune locking

bolt

33,34 usefulness; So that spying on, use naked eyes outer the implantation in the through

holes

27,28 of wrench instrument self-supporting wall 22 to tune this

locking bolt

33,34, and the elasticity when grasping two

pulleys

31,32 and being pivoted.

This keeper 40 is to wear to organize between arcuation stroke hole 24, arcuation shape journey groove 23 and said end wall 13 (like Fig. 2 and shown in Figure 5), can locate and discharge that this emery wheel transmission group 10 adjusted on pedestal 20 mounts angle θ 1 (cooperating shown in Figure 8).

Furthermore; The utility model also comprises a bearing 14 (extremely shown in Figure 3 like Fig. 1); This bearing 14 can be in fact the anchor clamps of a clamping emery wheel transmission group 10 location usefulness; Or one coat or tighten the positioning seat on emery wheel transmission group 10 outer walls, and said end wall 13 is to be formed on this bearing 14, on this end wall 13 and be formed with the

storage tank

15,16 that limits these

pulley

31,32 positions.Particularly; Utilize

locking bolt

33,34 that two

pulleys

31,32 are hubbed on this

storage tank

15,16; Can make said two pulleys 31, possess an arc distance S1 between 32; This arc distance S1 must can move two

pulleys

31,32 on the bearing 14 in arcuation stroke groove 23 inward turnings less than the arc distance S2 of this arcuation stroke groove 23, with the elevation angle theta of the emery wheel 12 on the adjustment emery wheel transmission group 10 or mount angle θ 1 (like Fig. 4 and shown in Figure 8).

Moreover above-mentioned keeper 40 can be in fact an adjustment bolt (extremely shown in Figure 5 like Fig. 1), has a bolt head 41 and a tightening latch 42; This bolt head 41 is revealed on the end face 26 of this pedestal 20, and these end face 26 essence are the outer wall on the pedestal 20, should adjust bolt in order to the staff adjustment; This tightening latch 42 stretch through this arcuation stroke hole 24 and arcuation shape journey groove 23, and be threadedly connected on the said end wall 13 of this emery wheel transmission group 10.

In addition; The utility model also can be implemented as two groups of forms with above-mentioned arcuation stroke groove 23 and interior arcuation stroke hole 24 thereof; They have identical concentric tracks; So that each arcuation stroke groove 23 and arcuation stroke hole 24 interior configuration two

pulley

31,32 and keepers 40, and make each

pulley

31,32 on said end wall 13, all have

storage tank

15,16 its pivot points of qualification; So configuration can increase emery wheel transmission group 10 and on pedestal 20, revolve the stability of transposition when whole, and helps the precision when grasping emery wheel 12 angles and adjusting.

According to foregoing; When the user unscrews keeper 40; Can discharge two

pulleys

31,32 and in arcuation stroke groove 23, revolve freely and move so that adjustment bearing 14 and on emery wheel transmission group 10 revolve synchronously and move, and obtain the required elevation angle theta of emery wheel 12 or mount angle θ 1; User's keeper 40 of can screwing is tightened between the end wall 13 of arcuation stroke groove 23 and bearing 14 two

pulleys

31,32 subsequently, with positioning bearing 14 and on emery wheel transmission group 10, and then the required elevation angle theta of location emery wheel 12 or mount angle θ 1.

The utility model is based on above-mentioned design, can realize the elevation angle of stable and accurate trace adjustment emery wheel or mount angle, so that the demand of grinding first and second sword face on the micro drill to be provided, and when the emery wheel wheel face wear and tear, also to be beneficial to and to implement to adjust accordingly.

The above is merely the preferred embodiment of the utility model, and not in order to restriction the utility model, interior any modification of making of all spirit at the utility model and principle, replacement, improvement etc. all should be included within the scope that the utility model protects.

Claims

1. one kind is ground the emery wheel angular adjustment apparatus that drill lip is used, and it is characterized in that, comprising:

2. grind the emery wheel angular adjustment apparatus that drill lip is used according to claim 1, it is characterized in that, also comprise a bearing, this emery wheel transmission group is to be positioned on this bearing, and said end wall is to be formed on this bearing.

3. grind the emery wheel angular adjustment apparatus that drill lip is used according to claim 1 or claim 2, it is characterized in that, be formed with the storage tank that limits this pulley position on this end wall.

4. grind the emery wheel angular adjustment apparatus that drill lip is used according to claim 1, it is characterized in that, have an arc distance between said two pulleys, this arc distance is less than the arc distance of this arcuation stroke groove.

5. grind the emery wheel angular adjustment apparatus that drill lip is used according to claim 1; It is characterized in that; This keeper is an adjustment bolt, has a bolt head and a tightening latch, and this bolt head is revealed on this pedestal one outer wall; This tightening latch stretch through this arcuation stroke hole and arcuation shape journey groove, and be threadedly connected on the said end wall of this emery wheel transmission group.