CN101059533A - Automatic direction-recognizing device for ferrule - Google Patents

Automatic direction-recognizing device for ferrule Download PDF

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Publication number
CN101059533A
CN101059533A CN 200710072206 CN200710072206A CN101059533A CN 101059533 A CN101059533 A CN 101059533A CN 200710072206 CN200710072206 CN 200710072206 CN 200710072206 A CN200710072206 A CN 200710072206A CN 101059533 A CN101059533 A CN 101059533A
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China
Prior art keywords
slideway
contact pin
ladder
waveform
recognizing device
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CN 200710072206
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Chinese (zh)
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CN100464190C (en
Inventor
李慧鹏
王军
张春富
唐文彦
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Harbin Institute of Technology
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Harbin Institute of Technology
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Priority to CNB2007100722065A priority Critical patent/CN100464190C/en
Publication of CN101059533A publication Critical patent/CN101059533A/en
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Publication of CN100464190C publication Critical patent/CN100464190C/en
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Abstract

A thrusting needle automatic sensing device relates to change mechanical device, wherein a thrusting needle automatic selector is provided with a thrusting needle automatic sensing device for entering the thrusting needles in same direction into a measuring device, wherein the thrusting needle automatic sensing device is composed of a S-shaped track, a track cover plate, a baffle plate and a sensing block, the S-shaped track and the track cover plate form a wave track in consistent height, the top side of the track is provided with a material inlet while the lower end is fixed with the baffle plate, the bottoms of the track and the baffle plate are fixed with sensing blocks which are the plates with a cross-shape long hole at center, while the long hole is through the bottom of the track with two ends wider than the diameter of the measuring end of the inserted thrusting needle but smaller than the wiring end of the thrusting needle, and middle width larger than the maximum diameter of the thrusting needle. The invention has simple structure, low cost, high reliability, and wide application in present thrusting needle sensing device.

Description

Automatic direction-recognizing device for ferrule
Technical field
The present invention relates to the break-in mechanical hook-up.
Background technology
Automatically the sorting measurement mechanism is existing at home and abroad than widespread use, main sorting measurement of concentrating some regular objects, do not need travel direction to distinguish, and the automatic sorting of this class special construction product of contact pin (referring to Fig. 8) is measured, the storing of the judgement of travel direction and workpiece at first, can measure its specific position exactly then, but at present domesticly still not have any producer and succeed in developing.Main cause has:
One, contact pin is a kind of irregular right cylinder, diameter boss bigger than normal is arranged in the middle of it, the diameter at two ends is also inconsistent, one end is a measuring junction, be the cylindrical of diameter unanimity, it also is the object that to measure sorting, the other end is terminals, be irregular cylindrical, it is the shape that right cylinder is arranged and be used for the semicircle groove milling combination that welding lead uses by, generally in screening installation, need to detect the foundation of measuring junction 7mm place diameter as sorting, and contact pin gets the traditional material loading detection mode of this kind irregular structure use, can't realize the judgement of contact pin direction, more can't realize accurately detecting the requirement at thin end 7mm place.
Two, because the semicircle groove milling that the terminals of contact pin have wiring to use, the measuring junction that contact pin in general discerning device, often occurs insert cause in the semicircle groove milling of terminals getting stuck, the phenomenon of windrow, and then influence the operation of whole measurement sorting mechanism.
Three, because little, the light weight of volume of contact pin, general every contact pin only has tens grams, how to guarantee contact pin steadily landing in discerning device, prevent to produce get stuck, phenomenon that feed back and erroneous judgement are broken, also be the entire mechanism difficult point.
At present, electronic product has been full of the various aspects of people's life, the kind of electronic product, quantity are also more and more, as the vitals that is electrically connected in the electronic product---and the demand of connector is also more and more, and contact pin is important electrical equipment link in the connector just.Contact pin, the electric signal of bearing electric connector connects, and the quality of its quality plays a part crucial in the function of electric connector realizes, the size of its measuring junction directly affects the stability of contact point, if too little, can cause virtual connection, make be electrically connected fashion, the time bad, if it is too big, contact pin should not be plugged, even can't insert, can't realize the purpose that can plug and unplug at any time of connector.So in actual production, be the critical process that guarantees to produce superior in quality connector to the detection and the sorting of the external diameter of contact pin measuring junction.
At present, to the detection method of contact pin measuring junction, great majority are with milscale the diameter of contact pin to be carried out one by one measurement by the checker, and this working method not only working strength is big, and efficient is low, and detect quality and also be difficult to guarantee.According to statistics, in a working day, work without cessation, everyone can only finish about 6000, and the contact pin demand in 1 year of factory has nearly ten million part approximately, in order to satisfy produce supporting, often take the mode of working extra shifts or extra hours, the reviewer causes omission and false retrieval under the working method of this dullness and fatiguability easily.Therefore, to the diameter of contact pin measuring junction measure automatically, the device of sorting arises at the historic moment.Existing contact pin automatic measuring and sorting unit is structure and a principle of work of using for reference existing automatic sorting measurement mechanism, but the sensing mechanism in such device, domestic main employing centre of gravity place method is carried out sensing to workpiece, utilizes the object center of gravity when workpiece falls, and the workpiece direction is consistent.For the deviation of workpiece for measurement contact pin measured sample center of gravity between 0.89mm~1.24mm, it is feasible adopting the sensing of center of gravity deviation in theory, but in actual applications, because the influence of vibration, this orientation method is inaccurate, has 10~20% workpiece location mistake in the actual measurement.For this reason,, light weight little for this class volume of contact pin, special construction workpiece in irregular shape must adopt new sensing mechanism.
Summary of the invention
For a kind of automatic direction-recognizing device for ferrule being provided for the contact pin automatic sorting device, make the storage bin that enters into measuring equipment that contact pin can the direction unanimity, the invention provides a kind of automatic direction-recognizing device for ferrule.
Automatic direction-recognizing device for ferrule of the present invention is by slideway 20, slideway cover plate 10, baffle plate 30 and sensing piece 40 are formed, described slideway 20 is grooves that inside bottom surface has the waveform ladder, described groove internal diameter is d4, described d4 is greater than the length l 13 of tested contact pin, it is one parallel with ladder that the end on the waveform ladder top in the groove of slideway 20 has, height is the fixation wall 21 of h6, slideway 20 is a with the pitch angle of vertical direction, the crest of described waveform ladder and trough are the circular arcs that radius is r1, the sidewall of slideway 20 1 sides and fixation wall 21 intersections have charging aperture 25, the bottom surface of described charging aperture 25 is concordant with the bottom surface of slideway 20 inner groovies, slideway 20 side walls are extended slideway bottom surface ladder w2, end at 20 two sidewalls of slideway is fixed with baffle plate 30, bottom at baffle plate 30 and slideway 20 is fixed with sensing piece 40, described break-in piece 40 have in the middle of being " in " flat board of font slotted hole, described " in " the font slotted hole is arranged in the rectangular space that slideway 20 sidewalls and ladder and baffle plate 30 are formed, " in " font slotted hole length is the inner diameter d 4 of slideway 20, wide is w1, described w1 is between the diameter d 12 of the diameter d 10 of the measuring junction of tested contact pin and terminals, " in " be wide w2 in the middle of the font slotted hole, the oblong aperture of long l3, described w2 is greater than maximum diameter d 11 in the middle of the tested contact pin, described slideway cover plate 10 be fixed on slideway 20 above, make slideway 20 be the sealing shape, the part that slideway cover plate 10 is corresponding with slideway 20 bottom surface waveform ladders has the waveform projection, the crest of described waveform projection and the radius of trough are r1, and the waveform projection of slideway cover plate 10 and the bottom surface of slideway 20 form the slideway in highly consistent snakelike space.
Automatic direction-recognizing device for ferrule of the present invention has advantage simple in structure, with low cost, that reliability is high, and through test, the phenomenon of sensing mistake does not appear in 200,000 workpiece of follow-on test.
Description of drawings
Fig. 1 is that the master of automatic direction-recognizing device for ferrule of the present invention analyses and observe intention, Fig. 2 is the front elevation of the slideway cover plate 10 among the figure one, Fig. 3 is the B-B cut-open view of Fig. 2, Fig. 4 is the front elevation of Fig. 1 middle slideway 20, baffle plate 40 and sensing piece 40, Fig. 5 is the left view of Fig. 4, Fig. 6 is the vertical view of Fig. 4, and Fig. 7 is the A-A cut-open view of Fig. 5, and Fig. 8 is the structural representation of tested contact pin.
Embodiment
Referring to Fig. 1 to Fig. 7 present embodiment is described.The automatic direction-recognizing device for ferrule of present embodiment is by by slideway 20, slideway cover plate 10, baffle plate 30 and sensing piece 40 are formed, described slideway 20 is grooves that inside bottom surface has the waveform ladder, described groove internal diameter is d4, described d4 is greater than the length l 13 of tested contact pin, it is one parallel with ladder that the end on the waveform ladder top in the groove of slideway 20 has, height is the fixation wall 21 of h6, slideway 20 is a with the pitch angle of vertical direction, the crest of described waveform ladder and trough are the circular arcs that radius is r1, the sidewall of slideway 20 1 sides and fixation wall 21 intersections have charging aperture 25, the bottom surface of described charging aperture 25 is concordant with the bottom surface of slideway 20 inner groovies, slideway 20 side walls are extended slideway bottom surface ladder w2, end at 20 two sidewalls of slideway is fixed with baffle plate 30, bottom at baffle plate 30 and slideway 20 is fixed with sensing piece 40, described break-in piece 40 have in the middle of being " in " flat board of font slotted hole, described " in " the font slotted hole is arranged in the rectangular space that slideway 20 sidewalls and ladder and baffle plate 30 are formed, " in " font slotted hole length is the inner diameter d 4 of slideway 20, wide is w1, described w1 is between the diameter d 12 of the diameter d 10 of the measuring junction of tested contact pin and terminals, " in " be wide w2 in the middle of the font slotted hole, the oblong aperture of long l3, described w2 is greater than maximum diameter d 11 in the middle of the tested contact pin, described slideway cover plate 10 be fixed on slideway 20 above, make slideway 20 be the sealing shape, the part that slideway cover plate 10 is corresponding with slideway 20 bottom surface waveform ladders has the waveform projection, the crest of described waveform projection and the radius of trough are r1, and the waveform projection of slideway cover plate 10 and the bottom surface of slideway 20 form the slideway in highly consistent snakelike space.
The automatic direction-recognizing device for ferrule of present embodiment is to utilize the difference of workpiece two ends geometric configuration to realize sensing, and making tested contact pin is that the microcephaly falls downwards all the time, to reach the purpose of sensing.When using, the fixation wall 21 of automatic direction-recognizing device for ferrule of the present invention is fixed on the vibrating bunker, the charging aperture 25 of described automatic direction-recognizing device for ferrule is corresponding with the outlet of vibrating bunker, make the contact pin that comes out from vibrating bunker forward enter into slideway 20 from the charging aperture 25 of automatic direction-recognizing device for ferrule of the present invention, sensing piece 40 lower ends of automatic direction-recognizing device for ferrule also are that the discharging opening of automatic direction-recognizing device for ferrule is connected with the Storage appts. of measurement mechanism by pipeline.Contact pin is successively after the outlet of vibrating bunker forward enters into slideway 20, in the waveform space that slideway 20 and slideway cover plate 10 forms along waveform ladder single order single order to lower slider, when sliding into slideway 20 bottoms, contact pin fall sensing piece 40 " in " on the font slotted hole, broad is compared in the centre of contact pin, two is asymmetric structure, promptly one thinner, one thicker, because sensing piece 40 " in " intermediate width of font slotted hole is greater than the maximum gauge of tested contact pin, so the thickest part in contact pin middle part can be leaked down, again since sensing piece 40 " in " the two ends width of font slotted hole equates, greater than the diameter of the measuring junction of tested contact pin and less than the diameter of the terminals of tested contact pin, be the measuring junction of tested contact pin can be smoothly by sensing piece 40 " in " the font slotted hole, and the terminals of tested contact pin can not by sensing piece 40 " in " the font slotted hole, so when tested contact pin fall sensing piece 40 " in " on the font slotted hole after, the measuring junction of tested contact pin and the wideest middle part can both continue to fall, cause tested contact pin to establish the whereabouts in the downward mode of measuring junction, after tested contact pin is established, the terminals of tested contact pin from sensing piece 40 " " fall in the wideest oblong aperture in the middle of the font slotted hole, finish the sensing of tested contact pin.
The pitch angle of slideway 20 vertical direction in the present embodiment is a, size according to tested contact pin quality changes, when the mass ratio of tested contact pin is bigger, this pitch angle a should be less than normal, reducing the gliding speed of tested contact pin, when the mass ratio of tested contact pin was little, this pitch angle a should be bigger than normal, to increase the gliding speed of contact pin, described pitch angle a can be arranged between 110 ° to 130 °.The waveform ladder of described slideway 20 inside bottom surface has 3 or 4 crests, can steadily tumble on the sensing piece 40 of slideway 20 bottoms to guarantee tested contact pin.The crest of described slideway 20 and the radius r of trough 1 are 1.0 to 1.2 times of tested contact pin maximum diameter d 12, have guaranteed can steadily place a contact pin on each ladder.The height h6 of the fixation wall 21 of described slideway 20 is 1.0 to 1.2 times of tested contact pin maximum diameter d 12, guarantees that a contact pin can enter from charging aperture smoothly.
The automatic direction-recognizing device for ferrule of present embodiment is to be made by organic materials such as organic glass, PCV, and smooth surface moves tested contact pin easily at automatic discerning device, can also prevent the tested contact pin that weares and teares, long service life, handling ease.Device self wearing and tearing according to present embodiment calculate that this device of a cover calculates by the sensing of finishing 40,000 contact pins every day, can finish greater than 200,000,000 workpiece sensing under the prerequisite that other fortuitous event of nothing damages.
The automatic direction-recognizing device for ferrule of present embodiment, tested contact pin at different specification size, only need change slideway 20 inner diameter d 4 and the crest of slideway and the radius r 1 of trough, and sensing piece 40 " in " size of font slotted hole gets final product, and realizes seriation easily.

Claims (6)

1, automatic direction-recognizing device for ferrule, it is by slideway (20), slideway cover plate (10), baffle plate (30) and sensing piece (40) are formed, it is characterized in that described slideway (20) is that inside bottom surface is the groove that has the waveform ladder, described groove internal diameter is d4, described d4 is greater than the length l 13 of tested contact pin, it is one parallel with ladder that the end on the waveform ladder top in the groove of slideway (20) has, height is the fixation wall (21) of h6, slideway (20) is a with the pitch angle of vertical direction, the crest of described waveform ladder and trough are the circular arcs that radius is r1, the sidewall of slideway (20) one sides and fixation wall (21) intersection have charging aperture (25), the bottom surface of described charging aperture (25) is concordant with the bottom surface of slideway (20) inner groovy, slideway (20) side walls is extended slideway bottom surface ladder w2, end at (20) two sidewalls of slideway is fixed with baffle plate (30), bottom at baffle plate (30) and slideway (20) is fixed with sensing piece (40), described sensing piece (40) have in the middle of being " in " flat board of font slotted hole, described " in " the font slotted hole is arranged in the rectangular space that slideway (20) sidewall and ladder and baffle plate (30) are formed, " in " font slotted hole length is the inner diameter d 4 of slideway (20), wide is w1, described w1 is between the diameter d 12 of the diameter d 10 of the measuring junction of tested contact pin and terminals, " in " be wide w2 in the middle of the font slotted hole, the oblong aperture of long l3, described w2 is greater than maximum diameter d 11 in the middle of the tested contact pin, described slideway cover plate (10) be fixed on slideway (20) above, what make slideway (20) is the sealing shape, the part that slideway cover plate (10) is corresponding with slideway (20) bottom surface waveform ladder has the waveform projection, the crest of described waveform projection and the radius of trough are r1, and the bottom surface of the waveform projection of slideway cover plate (10) and slideway (20) forms the slideway in highly consistent snakelike space.
2, automatic direction-recognizing device for ferrule according to claim 1, the pitch angle a that it is characterized in that the bottom surface of slideway (20) and vertical direction is between 110 ° to 130 °.
3, automatic direction-recognizing device for ferrule according to claim 1, the radius r 1 that it is characterized in that the crest of described slideway (20) and trough are 1 to 1.2 times of tested contact pin maximum diameter d 12.
4, automatic direction-recognizing device for ferrule according to claim 1, the height h6 that it is characterized in that described fixation wall (21) are 1 to 1.2 times of tested contact pin maximum diameter d 12.
5, automatic direction-recognizing device for ferrule according to claim 1 is characterized in that the waveform ladder of slideway (20) inside bottom surface has 3 or 4 crests.
6, automatic direction-recognizing device for ferrule according to claim 1 is characterized in that it is made by organic material.
CNB2007100722065A 2007-05-15 2007-05-15 Automatic direction-recognizing device for ferrule Expired - Fee Related CN100464190C (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CNB2007100722065A CN100464190C (en) 2007-05-15 2007-05-15 Automatic direction-recognizing device for ferrule

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CN101059533A true CN101059533A (en) 2007-10-24
CN100464190C CN100464190C (en) 2009-02-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102092583A (en) * 2010-12-23 2011-06-15 哈尔滨工业大学 Contact pin storing device
CN107140415A (en) * 2017-06-28 2017-09-08 大连鼎泰机械设备有限公司 A kind of needle roller automatic sequencing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380751B2 (en) * 1992-06-11 2002-04-30 Cascade Microtech, Inc. Wafer probe station having environment control enclosure
CN2428777Y (en) * 2000-05-19 2001-05-02 黄焕顺 Detection probe automatic-assembling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102092583A (en) * 2010-12-23 2011-06-15 哈尔滨工业大学 Contact pin storing device
CN102092583B (en) * 2010-12-23 2012-10-03 哈尔滨工业大学 Contact pin storing device
CN107140415A (en) * 2017-06-28 2017-09-08 大连鼎泰机械设备有限公司 A kind of needle roller automatic sequencing device

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