CN202278453U

CN202278453U - Drill placing module of micro drill blade grinding machine

Info

Publication number: CN202278453U
Application number: CN2011203513792U
Authority: CN
Inventors: 姚福来
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-08
Filing date: 2011-09-16
Publication date: 2012-06-20
Anticipated expiration: 2021-09-16
Also published as: TWM418745U

Abstract

The utility model provides a fine drill blade grinds putting of machine and bores module, include: one end of the clamping cylinder is provided with a clamping jaw which is driven by high-pressure air to open and close, the other end of the clamping cylinder is provided with a cylinder shaft which can drive the clamping jaw to rotate, and the clamping jaw clamps a drill body of a micro drill for positioning; a motor, the spindle of which is connected with the cylinder shaft into a whole; a bearing seat, which is provided with a groove part for protecting the blade rod of the micro drill bit, and the groove part is positioned at a relative position of the central line of the clamping jaw; and the rotary table rotates intermittently at an equal angle, and positions the drill clamping cylinder, the motor and the bearing seat on the rotary table in a linear arrangement. Therefore, the motor drives the blade face of the micro drill to rotate so as to compensate the deviation angle of the blade face before grinding and ensure the positioning precision of the blade face when grinding.

Description

Fine drill lip grinder put the drill jig piece

Technical field

The utility model relates to a kind of drill jig piece of putting, and what especially relate to a kind of fine drill lip grinder puts the drill jig piece, and the bearing that comprises combination stick of tool cylinder, motor and drill lip is especially put the drill jig piece on turntable.

Background technology

As everyone knows, micro drill is only about 0.1 to 1.0mm the drilling tool of a kind of sword face diameter, is used in a large number on the bore operation of printed circuit board (PCB) at present.Because this drill bit is through after repeatedly using, its sword face is prone to give birth to abrasion and the forfeiture borehole accuracy; In order to prolong the service life of bit face, the practice of present stage is to utilize the abrasive hand tool machine that the sword face that wears and tears drill bit is ground once more, and makes this sword face reply the state that can supply the correct aperture precision of Drilling.

Relevant at present mode of grinding the sword face of micro drill; Mostly adopt manually-operated milling tool machine to carry out the grinding of sword face; Comprise earlier drill bit being positioned on the tool that the emery wheel during operation is rotated carries out the linear path displacement along the required special angle of bit face, so that this sword face of contact grinding on this path; But need the artificial drill bit on the tool of getting, change, therefore have the unclear problem of grinding efficiency.

At present, the dealer in present technique field, the toolroom machine of progressively developing the fine drill lip of automatic continuously grinding is technological; Because; Before grinding, drill lip needs the angle of check and correction sword face earlier; And need to check with video vision device (CCD) whether this sword face has reached set accuracy requirement after grinding, therefore, must have position-correcting area station, milling zone station and detection zone station at least on the facility automatically in order to realize the function of automatic continuously grinding; So that sustainable supply is treated the abrasive drilling head, and the running of proofreading sword face angle in regular turn, grinding sword face and detection sword face.Yet, with present stage technology, oldly announce I295727 patent case like TaiWan, China, a kind of device of sword face of radium-shine detection micro drill is only disclosed; In other words, present stage technology only tool detect mechanism's configuring technical of the sword face of drill bit automatically, and do not have automatic grinding the technology corresponding and configuration that can link to each other.

In the above-mentioned existing patented technology of having made the city know, a kind of turntable that equal angles is rotated of doing is disclosed, so that encircle and process operations such as detection going up in drill bit carrying to each station, processing district.Wherein on this turntable the position of putting brill is provided; Only be to be one to have the rig floor of putting in aperture; If desiring according to this increases configuration one milling zone station at turntable periphery, and when utilizing drill lip on the opposed rig floor of automatic abrasive machine the milling zone station in to grind, extremely trickle based on the sword surface accuracy requirement of this drill bit; And this puts the sword face position that rig floor can't effectively be located drill bit; Meet the place during grinding when the sword face again, this is put rig floor and also can't effectively shield and sustain the sword bar of drill bit and resist ablation power, is to be difficult to the technology barrier that overcomes so far.

What remark additionally is; When the sword face is detected at above-mentioned turntable carrying drill bit to detection zone station; This sword face is enough to accurately be positioned the reason of tested position; Being based on the video vision utensil that is configured in this detection zone station has the ability of three-D displacement capture, and even can allow the difference slightly of the tested position of sword face, and displacement acquisition sword face picture is judged testing result automatically.Yet the milling tool equipment of loading with emery wheel but is difficult to imitate said video vision device to carry out the microdisplacement of position, three-dimensional school formula, and and only obtain the accurate check and correction of grinding points between the tool 0.1 to 1.0mm between the sword face position of very small diameter.

Summary of the invention

The utility model is intended to improve tradition and puts the problem that rig floor is difficult to effectively to shield and sustain and locate the sword face of this micro drill; And then a kind of fine drill lip grinder is provided put the drill jig piece; Can effectively shield and sustain and locate the sword face of drill bit; And can compensate sword face off normal angle, in order to the process operation that carries out automatic grinding sword face.

For realizing above-mentioned purpose, the technical scheme that the utility model adopts is:

A kind of fine drill lip grinder put the drill jig piece, it is characterized in that, comprising:

One stick of tool cylinder, an end has the jaw of accepting the high pressure air drives opening and closing, the drill body location of this jaw clamping one micro drill;

One motor, its axle one links said stick of tool cylinder;

One bearing has the sword bar that a slot part is shielded and sustain this micro drill, and this slot part is seated a relative position of the center line of said jaw; And

One equal angles is the turntable of turn intermittently, locatees said stick of tool cylinder, motor and be seated against to be horizontal linear arrangement on this turntable.

The axle of this motor connects to one via a flexible coupling with said cylinder axis.

The slot part of this bearing is processed a folder mouthful shape, and this bearing is processed the jaw form, and utilize the bearing of this jaw form of driver interlock and produce open from and closed action that should folder mouth shape slot part, and make the slot part of this bearing have the opening and closing ability.

The slot part of bearing is adjacent to the sword face of this micro drill.

The sword face of this micro drill is revealed in outside the slot part of said bearing, and points to the peripheral direction of this turntable.

Said horizontal linear is arranged and is meant according to the normal direction on the turntable or the arrangement of radial direction.

Based on above-mentioned technological means, the usefulness of the utility model is:

1. utilize the integrated configuration of stick of tool cylinder and motor, effectively locate drill bit, and drive the drill bit rotation, the position, school before grinding in order to the off normal angle of counter blade face.

2. utilize the slot part of bearing to shield and sustain the sword bar of drill bit, and and jaw between be a relative position horizontal linear arrange, make that being built into one between jaw and the slot part is beneficial to and puts automatically and the space of removal drill bit.

3. utilize and to make the intermittently turntable of turn of equal angles,, help to install on the turntable many groups and put the drill jig piece, and be beneficial to the continuous operations that many drill bits of carrying simultaneously carry out position, school, grinding and the detection of its sword face one by one as the assembly bench of putting the drill jig piece.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model;

Fig. 2 is the cut-away view after Fig. 1 group is stood;

Fig. 3 is the enlarged diagram of bit face among Fig. 1;

Fig. 4 is the front elevational schematic of bearing among Fig. 1;

Fig. 5 is the vertical view of the utility model one specific embodiment.

Description of reference numerals: stick of tool cylinder 1; Jaw 11; Cylinder axis 12; Center line 13; Relative position h; Motor 2; Axle 21; Shaft coupling 22; External member 23; Bearing 3; Slot part 31; Turntable 4; Armite 41; Straight line 42; Drill bit 5; The body of rod 51; Sword bar 52; Sword face 53; The first sword face 53a; The second sword face 53b; Sword heart line 54; Off normal angle θ; Datum line 55; Feed zone 6; Position-correcting area 7;

Video vision device

71,72,91; Milling zone 8; Emery

wheel

81,82; Detection zone 9.

The specific embodiment

Please merge and consult Fig. 1 to Fig. 5; Wherein, Fig. 1 discloses the three-dimensional exploded view of the utility model; Fig. 2 discloses the cut-away view after Fig. 1 group is stood; Fig. 3 discloses the enlarged diagram of bit face among Fig. 1; Fig. 4 discloses the front elevational schematic of bearing among Fig. 1; Fig. 5 discloses the vertical view of the utility model one specific embodiment.The fine drill lip grinder of above-mentioned graphic explanation the utility model put the drill jig piece, comprise a stick of tool cylinder 1, a motor 2, a bearing 3 and a turntable 4.Wherein:

The pneumatic tool that this stick of tool cylinder 1 belongs to by high pressure air drives; One end of stick of tool cylinder 1 have can accept high pressure air drives and produce open from and the jaw 11 of closed action; Its other end has one can drive the cylinder axis 12 (like Fig. 1 and shown in Figure 2) that said jaw 11 rotates; Utilize this jaw 11 to come the body of rod 51 of clamping one micro drill 5 according to this; Make this drill bit 5 can be positioned to present the form that sword bar 52 and sword face 53 expose on this stick of tool cylinder 1, and this cylinder axis 12 can drive drill bit 5 rotations of being pressed from both sides.

This motor 2 can be stepper motor in fact, has an axle 21, and this axle links said cylinder axis 12 and is integral; Furthermore, the axle 21 of this motor 2 is to be linked to a flexible coupling 22, and utilizes this shaft coupling 22 to be linked on the cylinder axis 12, and makes motor spindle 21 connect to one with cylinder axis 12; More specifically, can use an external member 23 one that firmly links between the relative wall of this stick of tool cylinder 1 and this motor 2, and this shaft coupling 22 is placed in this external member 23 flexibly.Therefore this shaft coupling 22 can reduce the potential difference slightly that when relative assembly, produces between motor spindle 21 and the cylinder axis 12 because of possessing pliability, and then utilizes the drill bit 5 that motor 2 drives are pressed from both sides to turn to required angle.

Because the sword face 53 of drill bit 5 comprises one first sword face 53a and one second sword face 53b (as shown in Figure 3); Those skilled in the art be realized that when drill bit to be ground 5 be held be positioned on the stick of tool cylinder 1 after; Can utilize the video vision device to detect the off normal angle θ of its first and

second sword face

53a, 53b intersection one sword heart line 54, this off normal angle θ is the offset between sword heart line 54 and one set datum line 55.Therefore; This motor 2 drives and receives stick of tool head 5 to turn to the purpose of required angle; Promptly be to carry out the compensation of position, school for prior sword face 53 before grinding to drill bit 5; Particularly compensate this deviation angle θ, make the sword heart line 54 can be by on adjustment to datum line 55 positions, in order to the carrying out of follow-up grinding sword face 53 operations.

This bearing 3 (as shown in Figure 2) comes down to directly or via armite 41 to be positioned in indirectly on this turntable 4; This bearing 3 has a slot part 31; Via the location of bearing 3, and make this slot part 31 be seated a relative position h of the center line 13 of said jaw 11, this relative position h is less than the total length of drill bit 5; Make that being built into one between jaw 11 and the slot part 31 is beneficial to and puts automatically and the space of removal drill bit 5; Utilize this slot part 31 to shield and sustain the sword bar 52 of drill bit 5 according to this, and slot part 31 is adjacent to the sword face 53 of this drill bit 5, so that effectively shield and sustain this sword face 53; Moreover the sword face 53 of drill bit 5 is to be revealed in outside the slot part 31 of said bearing 3, and points to the peripheral direction of this turntable 4.

The slot part 31 of this bearing 3 can be processed folder mouthful shape (as shown in Figure 3); Usually the knowledge the knowledgeable is realized that bearing 3 is processed the jaw form; And utilize drivers such as motor or cylinder interlock jaw type bearing 3 to produce the action of opening from reaching closed this folder mouthful shape slot part 31, and make this slot part 31 possess the opening and closing ability; So, the above-mentioned jaw 11 with automatic opening and closing ability that also helps arrange in pairs or groups, and between jaw 11 and slot part 31, dispose the clamper arm of automatic unloading drill bit 3 usefulness is carried out and is put automatically and the work of removal drill bit 5.

This turntable 4 can utilize in fact and drive motor 41 always (Direct Drive Motor DDM) drives (as shown in Figure 1), and produces equal angular turn at intermittence; And on the table top of this turntable 4 the said stick of tool cylinder in location 1, motor 2 and bearing 3; Make said stick of tool cylinder 1, motor 2 and bearing 3 on this turntable 4, be a horizontal linear 42 and arrange, (cooperating shown in Figure 5) arranged in method line position or radial alignment position that said horizontal linear 42 arrange packets are contained on the turntable 4.

More specifically implementing; The utility model can utilize above-mentioned turntable 4; And installing many groups in location comprise stick of tool cylinder 1, motor 2 and bearing 3 at the interior drill jig piece (as shown in Figure 5) of putting on turntable 4, and on the equal angles of turntable 4, dispose a feed zone 6, a position-correcting area 7, a milling zone 8 and a detection zone 9 in regular turn; Wherein, Be provided with in this feed zone 6 automatic spider one by one clamping treat that abrasive drilling 5 is to turntable 2; And the body of rod 51 is inserted on this jaw 11 location; Make slot part 31 can shield and sustain the sword bar 52 that is close to these sword face 53 places, and make sword face 53 be revealed in the peripheral direction that slot part 31 points to turntable 4 outward, rely on turntable 4 carrying drill bit 5 to position-correcting areas 7; This position-correcting area 7 is provided with

video vision device

71,72; Can detect the off normal angle θ of sword face 53; And this off normal angle of the drill bit 5 rotation compensation θ that utilizes motor 2 to drive on the stick of tool cylinder 1; Make sword face 53 arrive the reference position before to be ground, rely on this drill bit 5 to milling zone 8 of accomplishing of position, school of turntable 4 carryings subsequently; Disposing 81,82 pairs of these sword faces 53 of electric wheel that possess the linear displacement ability in this milling zone 8 grinds; This

emery wheel

81,82 can carry out grinding with short shift length counter blade face 53, and this has ground drill bit 5 to the detection zone 9 of completion to rely on turntable 4 carryings subsequently; This detection zone 9 is with being provided with the video vision device 91 that detects sword face 53; So that detect the grinding precision of sword face 53; Can this rig floor of carrying return milling zone 8 and grind once more when sword face 53 grinds when bad turntable; Implement so repeatedly, can continue the continuous operations that many drill bits of carrying 5 are realized automatic grinding and detected drill lip.

The exploitativeness of foregoing explanation the utility model transmission module; Particularly be applied on the fine drill lip grinder; Certain integrated configuration because of stick of tool cylinder, motor and bearing, and can on turntable, effectively locate and shield and sustain drill bit, and drive the rotation of sword face with compensation off normal angle; In order to the continuous operations of position, automatic school, grinding and the detection of carrying out drill lip, guarantee the positioning accuracy when the sword face is accepted to grind.

More than explanation is just illustrative as far as the utility model; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from claim and limited and scope; Can make many modifications, variation or equivalence, but all will fall within the protection domain of the utility model.

Claims

A fine drill lip grinder put the drill jig piece, it is characterized in that, comprising:

One stick of tool cylinder, an end has the jaw of accepting the high pressure air drives opening and closing, the drill body location of this jaw clamping one micro drill;

One motor, its axle one links said stick of tool cylinder;

One bearing has the sword bar that a slot part is shielded and sustain this micro drill, and this slot part is seated a relative position of the center line of said jaw; And

One equal angles is the turntable of turn intermittently, locatees said stick of tool cylinder, motor and be seated against to be horizontal linear arrangement on this turntable.
According to the said fine drill lip grinder of claim 1 put the drill jig piece, it is characterized in that: the axle of this motor connects to one via a flexible coupling with said cylinder axis.
3. put the drill jig piece according to the said fine drill lip grinder of claim 1; It is characterized in that: the slot part of this bearing is processed folder mouthful shape; This bearing is processed the jaw form; And utilize the bearing of this jaw form of driver interlock and produce open from and closed action that should folder mouth shape slot part, and make the slot part of this bearing have the opening and closing ability.
According to claim 1 or 3 said fine drill lip grinders put the drill jig piece, it is characterized in that: the slot part of bearing is adjacent to the sword face of this micro drill.
According to claim 1 or 3 said fine drill lip grinders put the drill jig piece, it is characterized in that: the sword face of this micro drill is revealed in outside the slot part of said bearing, and points to the peripheral direction of this turntable.
According to the said fine drill lip grinder of claim 1 put the drill jig piece, it is characterized in that: said horizontal linear is arranged and is meant according to the normal direction on the turntable or the arrangement of radial direction.