CN2429990Y

CN2429990Y - Automatic precisively fitting device for special drill tips for printed circuit boards

Info

Publication number: CN2429990Y
Application number: CN 00231338
Authority: CN
Inventors: 姚志金
Original assignee: Xiehong Enterprise Co ltd
Current assignee: Xiehong Enterprise Co ltd
Priority date: 2000-03-30
Filing date: 2000-03-30
Publication date: 2001-05-09
Anticipated expiration: 2010-03-30

Abstract

The utility model relates to a precise automatic ring-installation device of a special drill bit used for drilling a printed circuit board, which comprise a tilting mechanism of an inverted ring-installation drill bit which is increased between a drill-taking region and a material-discharging region, and a passing and moving mechanism of a reciprocating carrying and moving positioning empty drill box arranged in the material-discharging region; the utility model utilizes the material-inputting regions arranged on the two sides of a rotating table to be matched with the material-discharging region; the drill bits arranged in a plurality of drill boxes of the material-inputting regions can complete drill bit precise ring-installation work by each region arranged on the circumference of the rotating table in an annular mode; after the drill bit takes ring-installation work, the drill bit can be inserted into the empty drill box arranged on the material-discharging region in an inverted drill bit mode through synchronous match and operation of the tilting mechanism, a clamping and drilling mechanism, and the passing and moving mechanism; needle-dividing work of the ring-installation drill bit can be finished by an automation program to replace manual work.

Description

The accurate loop device of going up automatically of printed circuit board drilling target drill

The utility model relates to the accurate loop device of going up automatically of a kind of printed circuit (PC) twist drill hole target drill.

With the present stage industrial technology, add man-hour in the boring of carrying out printed circuit (PC) plate, because of required drilling hole amount on the per unit plate body extremely many, and the boring depth of cut differs, so industry is all in advance on the drill bit of printed circuit board drilling special use, use accurate located ring with an artificial sheathed location, and utilize the computer automatic setting to grab and creep into the equipment that cutter is warded off brill processing, be beneficial to carry out the processing operation of a large amount of printed circuit board drillings.No. 99243823.3 patented technology of female case of this improvement case, be to utilize a processing turntable bilateral that feed zone and material discharge region are set, feed zone is put a plurality of boxs that carry the fully-jewelled head, material discharge region is put and is waited for the empty box of collecting the drill bit that has put accurate located ring, and the slotting district of boring is being set the ring week of turntable respectively, recessive ring zone, the Shang Huan district, diameter measuring zone, get and bore the district and unload the brill district, automatic bit feed is provided, send ring, last ring precision control, move back ring, measure the drill point diameter, the automatic upward ring that moves back coherent formulas such as boring collection and discharge that reaches qualified product and defective item operates, replace manpower and finish the accurate automatic operation of going up ring, to improve the production capacity benefit.

Yet, the different aperture specification of required boring on the per unit printed circuit plate body is numerous and diverse, therefore, industry adds man-hour in the boring of carrying out printed circuit (PC) plate, all with the aforementioned different a plurality of drill bits 1 that put accurate located ring 2, adopt drill point 12 to be the form of being inverted drill bit down, by the required aperture order of boring processing, but a plurality of drill bits of the different diameter of its match-drill of sorting, be inserted in 101 (cooperating shown in Figure 1) in the special-purpose box of the modularity that can once carry 50 drill bits successively, different a plurality of drill bits in these special-purpose boxs can be arranged in proper order by the different aperture specification of the required boring of its printed circuit (PC) plate, use the minute hand operation of finishing the drill bit of selecting different diameter for use in advance, to improve the boring processing operating efficiency of printed circuit board (PCB).But, the empty box of the female case indication of the utility model is to put with drill point inversion drill bit form up, the mode that plugs a plurality of inversion drill bits with special-purpose box is different, therefore, a plurality of drill bits of going up ring are inserted in minute hand operation in the special-purpose empty box, still must adopt manpower operation's mode to carry out, and then fail effectively to manifest above-mentioned female case The Application of Technology real benefit, moreover, press in this special use box the printed circuit board (PCB) aperture regularly arranged drill bit, it is the specification qualification rate that directly influences the printed circuit board drilling finished product, if be misplaced the arrangement position of drill bit in the special-purpose box accidentally, probably will derive and form the serious puzzlement that a large amount of boring printed circuit board (PCB)s become defective finished product, with regard to let alone be to carry out manually inserting when boring, very easily sever drill point position very tiny on the drill bit because of artificial careless mistake, cause a large amount of losses of drill point and produce extraneoas loss on the cost, this puzzlement sternly so forms the important topic of an anxious solution to be overcome, is to create the motivation place for the utility model spy gives grinding of the improvement that progresses greatly.

The purpose of this utility model is, provide a kind of can be with drill point inversion drill bit form down, be inserted in the accurate loop device of going up automatically of the printed circuit board drilling target drill of the assigned address in the empty box of a plurality of special uses of material discharge region in regular turn.

Above-mentioned purpose of the present utility model is realized by following technical scheme.

A kind of accurate loop device of going up automatically of printed circuit board drilling target drill, be included in a processing turntable double sided arrangements feed zone and material discharge region are arranged, and be provided with respectively in the ring week of turntable insert to bore district, recessive ring zone, Shang Huan district, diameter measuring zone, get bore the district and unload bore the district on loop device, wherein feed zone is put the box that loads drill bit, material discharge region is put and is waited for the empty box of a plurality of special uses of collecting the drill bit that has put accurate located ring, it is characterized by:

Have additional one between district and material discharge region by revolving the switching mechanism that pawl, rotation pneumatic cylinder, radial gas pressure cylinder and axial pneumatic cylinder are formed getting to bore, and have additional another to crank arm and slide is formed passs moving mechanism at material discharge region;

This revolves pawl is to be mounted on to get to bore between district and material discharge region, one end string group rotation pneumatic cylinder, and the other end of rotation pneumatic cylinder is installed with radial gas pressure cylinder and axial pneumatic cylinder, make revolve pawl can embedding folder upset and displacement gone up the trepan head and be drill point reversion form down, and what cooperate material discharge region passs the empty box of a plurality of special uses of moving mechanism displacement location, go up the trepan head and can distinctly place assigned address in the empty box of a plurality of special uses on material discharge region in regular turn and make, impel the empty box of these a plurality of special uses to put a plurality of above trepan heads by phoenix drill point reversion form down;

The both-end of the empty box of these a plurality of special uses has additional respectively cranks arm, be installed with therebetween can reciprocal free displacement on material discharge region slide, move the empty box of a plurality of special uses but make the interlock of the mat slide of cranking arm push away to hold to pass.

Advantage of the present utility model is:

The accurate loop device of going up automatically of printed circuit board drilling target drill provided by the utility model, it mainly is to get the switching mechanism that the brill district gets everything ready and is made up of the radial gas pressure cylinder and the axial pneumatic cylinder of the drill bit operating capability that flips upside down, and have additional another to crank arm and slide is formed passs moving mechanism at material discharge region, by feed zone, insert and bore the district, recessive ring zone, the Shang Huan district, diameter measuring zone, get and bore the district, unload the running that cooperatively interacts of each operation sections such as boring district and material discharge region, make different a plurality of drill bits of being put in a plurality of boxs of feed zone, all can be through after the last ring operation, respectively with drill point inversion drill bit form down, by automated procedures, be inserted in the interior assigned address of the empty box of a plurality of special uses of material discharge region successively, manually finish the progressive real benefit of minute hand operation to reach replacement, impel the coherent operational paradigm of going up the ring operation automatically more to progress greatly, and then put forward the production capacity benefit of hating the printed circuit board drilling operation.

For further understanding the utility model, existing conjunction with figs. and embodiment describe in detail as the back:

Description of drawings:

Fig. 1 is the schematic perspective view that discloses special-purpose empty box.

Fig. 2 is the working region configuration schematic diagram that discloses the utility model device body.

Fig. 3 is the stereogram that discloses the utility model device.

Fig. 4 discloses the utility model is put a plurality of boxs in feed zone schematic diagram.

Fig. 5 is another schematic diagram that discloses the utility model Fig. 4.

Fig. 6 is the vertical view that discloses the utility model switching mechanism.

Fig. 7 discloses the schematic diagram of enduring on the utility model switching mechanism stick of tool.

Fig. 8 discloses the schematic diagram that the utility model switching mechanism is inverted drill bit.

Fig. 9 discloses drill bit on the utility model stick of tool mechanism transfer switching mechanism to the schematic diagram of the special-purpose empty box of unit.

Figure 10 discloses the utility model is put the empty box of a plurality of special uses in material discharge region schematic diagram.

Figure 11 is another schematic diagram that discloses the utility model Figure 10.

Figure 12 is another schematic diagram that discloses the utility model Figure 11.

The first Fig. 2 and shown in Figure 3 that sees, the accurate loop device of going up automatically of a kind of printed circuit board drilling target drill that the utility model provides, mainly be at a processing turntable 3 double sided arrangements feed zones 31 and material discharge regions 32, and bore district 4, recessive ring zone 5, Shang Huan district 6, diameter measuring zone 7, get and bore district 8 and unload to bore and distinguish 9 being provided with respectively in the ring week of turntable 3 to insert; Wherein:

This feed zone 31 is implemented as the transmission flow process (cooperate with Fig. 2 and shown in Figure 4) of conveyer belt 33, and this feed zone 31 is to bore district 4 and be connected with inserting, and conveyer belt 33 is provided with and is provided with adsorbing the step-wise displacement mechanism 34 that box 10 uses;

This material discharge region 32 is provided with passs moving mechanism 321 (cooperating Fig. 2,3 and shown in Figure 10), it mainly is to utilize a belt 327 to affect a slide 322, make this slide 322 can reciprocal free displacement on a plurality of slide bars 328, and be installed with in addition on this slide 322 and hold bar 323, the both-end that holds bar 323 is consolidated with respectively

cranks arm

324 and 325, and making

cranks arm

324 and 325 can push away to hold to pass and move and locate the empty box 101 of a plurality of special uses;

Should insert bore in the district 4 be tool one stick of tool mechanism 40 (cooperating Fig. 2 and shown in Figure 3), mainly was to drive a stick of tool pneumatic cylinder 43 by driving belt 42, and the cylinder bar of stick of tool pneumatic cylinder 43 is provided with the stick of tool pawl 41 that air pressure drives and forms; This stick of tool pawl 41 is the reciprocal drives that can accept driving belt 42, and then produces the shift reciprocately running;

These Work turning table 3 tools ability (cooperating Fig. 2 and shown in Figure 3) that stepping is rotated that fixes, 3 first-class of turntables are provided with and attach flexible accurate seat 39, the end of accurate seat 39 is provided with puts boring 393, put boring 393 sidepieces and be provided with magnetic patch 394 (it is shown in Figure 7 to join platform), make putting on turntable 3 and the accurate seat 39 thereof hole 393 when boring for inserting, get brill, the collar and moving back ring, the stability of the elasticity of getting everything ready antidetonation;

When charging and plug in brill running (cooperating Fig. 2 and shown in Figure 3), must put a plurality of boxs 10 of mounting drill bit 1 on the conveyer belt 33 of feed zone 31, utilize a plurality of boxs 10 of the stepper drive that fixes of conveyer belt 33, make on a plurality of boxs 10 each neat between row vertically and horizontal drill bit 1, stick of tool pawl 41 in the corresponding clip rig structure 40 in regular turn, continuation driving stick of tool pawl 41 moves down on the gripping drill bit 1 to be endured, transfer drill bit 1 is to the spacing plant drill bit 1 in the boring 393 of putting that insert to bore accurate seat 39 that fixing in the district 4 rotate and arrive then, make the drill body 11 of drill bit 1 bury in putting boring 393 and, finish the section operation that brill is inserted in charging by magnetic patch 394 absorption location.

This recessive ring zone 5 are plug in brill districts 4 of being arranged at processing turntable 3 peripheries with Shang Huan district 6 between (cooperating Fig. 2 and shown in Figure 3), be provided with one in the recessive ring zone 5 and move back ring mechanism 50, when finishing and insert this accurate seat 39 of boring running and fix when turning to recessive ring zone 5 insert boring district 4 with turntable 3, whether be arranged with accurate located ring 2 (assembly element commonly used is not given unnecessary details so do not add) on the detection drill bit 1 via electric eye; If record no sheathed accurate located ring 2 on the drill body 11 of drill bit 1, then move back ring mechanism 50 not starts, the drill bit 1 on directly should standard seat 39 fixes and is transferred to Shang Huan district 6 and goes up and encircle operation; If had used old accurate located ring 2 on the drill body 11 in the recessive ring zone 5 on the accurate seat 39, promptly concluded this old accurate located ring 2 for losing ring precision person, move back ring mechanism 50 and move back to encircle and operate and start, steadily finish the section operation that moves back ring.

This Shang Huan district 6 are recessive ring zones 5 of being arranged at processing turntable 3 peripheries with diameter measuring zone 7 between (cooperating Fig. 2 and shown in Figure 3), be the last ring mechanism 60 that is provided with a video visual organ (CCD) 64 in the Shang Huan district 6; When finishing the drill bit 1 that moves back the ring running or need not to move back ring at recessive ring zone 5, be to fix with accurate seat 39 to turn to Shang Huan district 6,12 of drill points are in the video visual organ 64, treat that ring mechanism 60 action makes on the drill body behind the sheathed accurate located ring 2, utilize cooperatively interacting of PLC controller and video visual organ 64, with compensation round-off error value, the absolute distance that the tip 121 that makes drill point 12 to the bottom of accurate located ring 2 is 21, can meet the absolute standard height value in the default accuracy rating, finish the section operation of accurately going up ring.

This diameter measuring zone 7 are Shang Huan districts 6 of being arranged at processing turntable 3 peripheries with get brill distinguish 8 between (cooperating Fig. 2 and shown in Figure 3), be provided with one in the diameter measuring zone 7 and calibrate mechanism 70, mainly be that another video visual organ 75 is set on a bolster, carry the drill bit 1 that moves to diameter measuring zone 7 when fixing, the true brill footpath and the knife edge angular of drill point 12 on the drill bit 1 that encircles have been gone up by video visual organ 75 records, and make PLC controller record meet the qualified product of going up trepan head 1 and defective item that specification is detected in the brill footpath, finish the section operation of calibrating.

This is got and bores district 8, and to be diameter measuring zones 7 of being arranged at processing turntable 3 peripheries bore between the district 9 (cooperating Fig. 2 and shown in Figure 3) with unloading, and get brill and distinguish 8 and be connected with material discharge region 32; This gets brill district 8, and simultaneously, this gets

brill district

8 and 32 of material discharge regions are to organize to be provided with switching mechanism 84;

This stick of tool mechanism 80 utilizes driving belt 82 to drive stick of tool pneumatic cylinders 83 (cooperating Fig. 2 and shown in Figure 3), and the cylinder bar of stick of tool pneumatic cylinder 83 is provided with the stick of tool pawl 81 that air pressure drives and forms; This stick of tool pawl 81 is the reciprocal drives that can accept driving belt 82, and then produces the shift reciprocately running, but is the stick of tool displacement and inserts the reciprocal continued moving displacement form that brill is put;

This switching mechanism 84 mainly is to utilize a rotation pneumatic cylinder 844 to drive one to revolve axle 843 (cooperation Figure 6 and Figure 7s), and revolving axle not end of 843 in this is installed with one and revolves pawl 841 and form, rotation pneumatic cylinder 844 can be driven revolve pawl 841 running of overturning, one end of this rotation pneumatic cylinder 844 is to be installed with radial gas pressure cylinder 847, one side joint of this radial gas pressure cylinder 847 is provided with axial pneumatic cylinder 846, axially pneumatic cylinder 846 is to be mounted on the bearing 845, go here and there in addition on this bearing 845 and be provided with a plurality of slide-bars 842, make radial gas pressure cylinder 847 very contracted by the cylinder bar of axial pneumatic cylinder 846 via bearing 845, allow switching mechanism 84 integral body can be on a plurality of slide-bars 842 shift reciprocately, and then make this revolve pawl 841 ability of liftable shift reciprocately of getting everything ready, but be stick of tool upset displacement and insert and bore the form of continued moving displacement in proper order of putting.

Above-mentioned genus " qualified product " go up trepan head 1, be that the accurate seat 39 of membership fixes to transfer load to get and bores district 8, the cylinder bar of the axial pneumatic cylinder 846 of this switching mechanism 84 is shunk back immediately, make and revolve pawl 841 displacement convergences and gone up trepan head 1, make drill bit 1 on accurate seat 39, can accept to revolve the embedding folder of pawl 841, this moment, order about radial gas pressure cylinder 847 and very stretch running, make and revolve pawl 841 clamping drilling bit 1 and detach accurate 39 (cooperating shown in Figure 8) of seat, and axial pneumatic cylinder 846 is driven revolve pawl 841 to contract to give up the throne to move, simultaneously, rotation pneumatic cylinder 844 also run-in synchronism drive revolves pawl 841 upset runnings, impel drill bit 1 to be revolved that pawl 841 embeddings are held and upset synchronously is drill point state (cooperating shown in Figure 9) down, radial gas pressure cylinder 847 its cylinder bar of shrinking back subsequently, make and revolve pawl 841 clamping drilling bit 1 involution initial position, move down gripping drill bit 1 with the stick of tool pawl 81 of waiting for stick of tool mechanism 80, making the last drill bit 1 that encircles that overturns be transported in the above-mentioned material discharge region 32 by the 80 folder transfers of stick of tool mechanism (cooperates shown in Figure 10), locate the empty box 101 of a plurality of special uses by the shift reciprocately of passing moving mechanism 321, make go up trepan head 1 qualified product can be with drill point inversion drill bit form down, insert in vertically reaching on the special-purpose box 101 successively and laterally put in the drill flute position, get the section operation that bores discharge to finish.

This unloads brill district 9 and is arranged at getting of processing turntable 3 peripheries to bore district 8 and slotting boring between the district 4 (cooperating Fig. 2 and shown in Figure 3), unload to bore to organize in the district 9 to be equipped with mechanical arm 9A and to collect and bore poor 9G, the accurate seat 39 of trepan head 1 mat of going up of happening above-mentioned genus " defective item " fixes to transfer load to unload and bores district 9, after knowing that after testing putting boring is loaded with drill bit 1 in 393, order mechanical arm 9A action, with the drill bit 1 of embedding gripping in putting boring 393, and this drill bit 1 is positioned in the collection drill flute 9G, make drill bit 1 reclaim use once more, finish the section operation that unloads brill.

By the aforesaid ring process that goes up, be to make the drill bit 1 of a plurality of different diameters collect whole respectively to be placed in a plurality of boxs 10, and make a plurality of drill bits 1 of being put in its unit box 10 be same, those a plurality of box 10 rows are placed in the feed zone 31, drive via PLC director demon and to get the switching mechanism 84 and stick of tool mechanism 80 that bores district 8, the phase interworking of passing moving mechanism 321 that cooperates material discharge region 32, just can be rapidly accurately with a plurality of drill bits 1 in the single box 10, sorting is inserted in the assigned address in the empty box 101 of a plurality of special uses of material discharge region 32, and then makes and go up loop device automatically and can replace with following program and manually finish the minute hand operation.

Please see shown in Figure 10, the step-wise displacement mechanism 34 of this feed zone 31 is moved to the unit box 10 foremost in a plurality of boxs to insert to bore in the district 4, simultaneously, the moving mechanism 321 of passing of this material discharge region 32 is also passed empty box 101 displacements of a plurality of special uses synchronously, make the special-purpose empty box 101 of its unit foremost be positioned to get and bore district 8, make stick of tool mechanism 40 can be in proper order in this box 10 carrying one unit drill bit 1 to the accurate seat 39 of turntable 3, and make this drill bit 1 via turntable 3 respectively by moving back ring, send ring, last ring precision control, measure the drill point diameter, and moving back of qualified product and defective item bored the ring of collecting with coherent formula such as discharge of going up automatically and operated (cooperating Fig. 2 and shown in Figure 3), by behind the switching mechanism 84 inversion drill bits of getting brill district 8 (cooperating shown in Figure 8), assigned address in drill body 11 carryings of its stick of tool mechanism 80 embedding stick of tool heads 1 are inserted in the special-purpose empty box 101 of this unit (cooperation Fig. 9 and shown in Figure 10), encircle operation on the precision of the unit's of finishing drill bit 1, subsequently, the step-wise displacement mechanism 34 of feed zone 31 drives a plurality of box 10 displacements one position, but make another unit drill body 1 in its same unit of 40 carryings of stick of tool mechanism box 10, the moving mechanism 321 of passing of this material discharge region 32 is also passed empty box 101 displacements of a plurality of special uses synchronously in proper order, make its stick of tool mechanism 80 this another unit drill body 1 another assigned address in the special-purpose empty box 101 of same unit of can planting, so repeatedly after the circulation running, make same a plurality of drill bits 1 in the single box 10 after last ring operation, all can distinctly be inserted in the assigned address in the special-purpose empty box 101 of same unit.

Behind a plurality of drill bits 1 of the same diameter of the capacity of having planted in the special-purpose empty box 101 of this unit, the passing moving mechanism 321 and will pass the empty box 101 of a plurality of special uses immediately of material discharge region 32, the special-purpose empty box 101 of another unit of trailing is positioned at gets stick of tool mechanism 80 belows (cooperating shown in Figure 11) of boring district 8, impelling stick of tool mechanism 80 a plurality of drill bits 1 in the same unit box 10 can be continued by said process is inserted in this special use box 101, after circulation operates so repeatedly, just make the same a plurality of drill bits 1 in the single box 10, all can be through after the last ring operation, distinctly be inserted in the assigned address (cooperating shown in Figure 12) in the empty box 101 of a plurality of special uses, and then finish the packing plant operation of same a plurality of drill bit 1.

After treating all to have plugged same a plurality of drill bits 1 of capacity in the empty box 101 of a plurality of special uses, the passing moving mechanism 321 and will pass empty box 101 displacements of a plurality of special uses immediately of this material discharge region 32, make foremost the special-purpose empty box 101 of unit be positioned at the below of stick of tool mechanism 80 once more, simultaneously, the step-wise displacement mechanism 34 of feed zone 31 also drives a plurality of box 10 displacements one position, make another unit box 10 of trailing be positioned at stick of tool mechanism 40 belows (cooperating shown in Figure 5), but impel same a plurality of drill bits 1 of another specification in this box 10 of stick of tool mechanism 40 carryings, by repeating said process, these box 10 interior a plurality of drill bits 1 can be continued finish ring and packing plant operation, with the same a plurality of drill bits 1 in this box 10, distinctly be inserted in the assigned address in the empty box 101 of a plurality of special uses, after circulation operates so repeatedly, make different a plurality of drill bits 1 of being put in a plurality of boxs 10, all can be through after the last ring operation, distinctly be inserted in the assigned address (cooperating shown in Figure 12) in the empty box 101 of a plurality of special uses, and then can finish the minute hand operation of going up the trepan head with automated procedures, to reach the progressive real benefit that replaces manual work.

Claims

1, a kind of accurate loop device of going up automatically of printed circuit board drilling target drill, be included in a processing turntable double sided arrangements feed zone and material discharge region are arranged, and be provided with respectively in the ring week of turntable insert to bore district, recessive ring zone, Shang Huan district, diameter measuring zone, get bore the district and unload bore the district on loop device, wherein feed zone is put the box that loads drill bit, material discharge region is put and is waited for the empty box of a plurality of special uses of collecting the drill bit that has put accurate located ring, it is characterized by:

This revolves pawl is to be mounted on to get between brill district and material discharge region, one end string group rotation pneumatic cylinder, and the other end of rotation pneumatic cylinder is installed with radial gas pressure cylinder and axial pneumatic cylinder;

The both-end of the empty box of these a plurality of special uses has additional respectively cranks arm, be installed with therebetween can reciprocal free displacement on material discharge region slide.