CN102416600B - MT insertion core, production method and fixture in use - Google Patents

MT insertion core, production method and fixture in use Download PDF

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Publication number
CN102416600B
CN102416600B CN 201110098466 CN201110098466A CN102416600B CN 102416600 B CN102416600 B CN 102416600B CN 201110098466 CN201110098466 CN 201110098466 CN 201110098466 A CN201110098466 A CN 201110098466A CN 102416600 B CN102416600 B CN 102416600B
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CN
China
Prior art keywords
anchor clamps
lock pin
termination
emery wheel
grinding tool
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Expired - Fee Related
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CN 201110098466
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Chinese (zh)
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CN102416600A (en
Inventor
郑敏
李航
陈波
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ADC TELECOMMUNICATION EQUIPMENT (SHANGHAI) Co Ltd
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ADC TELECOMMUNICATION EQUIPMENT (SHANGHAI) Co Ltd
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Priority to CN 201110098466 priority Critical patent/CN102416600B/en
Publication of CN102416600A publication Critical patent/CN102416600A/en
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Publication of CN102416600B publication Critical patent/CN102416600B/en
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Abstract

The invention relates to a production method of an end socket of an MT insertion core, in particular to a contact method by which an insertion core is improved by a grinding technology. The invention aims to provide a method for producing the MT insertion core, which grinds the two sides of the MT insertion core. In order to complete the purpose, the invention is realized in the way that: the method for producing the end socket of the MT insertion core is characterized in that the MT insertion core is assembled in a fixture, and then the fixture is fixed on a rack of a grinding tool; the grinding tool is started, and the grinding wheel of the grinding tool grinds; the end socket of the MT insertion core is rectangular; and a jack is arranged on the end socket of the MT insertion core and is communicated with optical fibers, and a location groove is arranged at the side of the end socket.

Description

MT lock pin and preparation method and used anchor clamps
Technical field
The present invention relates to the preparation method of a kind of MT lock pin termination, specially refer to the contact method that further improves lock pin by grinding technology.
The present invention relates to the milling tools of a kind of MT of making lock pin termination, specially refer to the milling tools that utilizes servomotor to cooperate the polishing that corresponding anchor clamps finish.
The present invention relates to a kind of MT lock pin simultaneously, specially refers to both sides and can block dust, prevents the MT lock pin that dust enters.
Background technology
Optical connector be optical fiber with optical fiber between carry out the device that detachable (activity) is connected, it is the accurate butt joint of two end faces of optical fiber, so that being coupled to receive in the optical fiber to greatest extent, the light energy of launching fiber output goes, and make because it is got involved optical link and the influence that system causes is reduced to minimum, this is the basic demand of optical connector.To a certain extent, the joints of optical fibre have also influenced reliability and every performance of optical transmission system.When any fibre system is installed, all must consider optical fiber or optical cable to be connected with each other with low-loss method.The part at the MT lock pin contact pin two ends before this was not ground, and there is certain defective in it.For example sealing difference and advance ash easily will reduce the Performance And Reliability of optical transmission system like this.The part that grinds off MT lock pin contact pin two ends forms step and makes its MT contact pin that better sealing be arranged and can also prevent into ash, but the requirement of grinding very high common processing about 1 (1=0.01mm), only with the naked eye be coming out of be difficult to differentiating, no machine is realized and is reached this function before this.
Summary of the invention
First goal of the invention of the present invention provides a kind of method of the MT of making lock pin, is shaped by polishing MT lock pin both sides.
For finishing the foregoing invention purpose, this patent is achieved in that the method for a kind of MT of making lock pin termination, it is characterized in that, the MT lock pin is packed in the anchor clamps, anchor clamps is fixed on the frame of grinding tool again; Open grinding tool, polish by the emery wheel of grinding tool;
The MT lock pin, the termination of described MT lock pin is rectangle; Which is provided with jack, this jack communicates with optical fiber, is provided with locating slot in the side of termination;
Anchor clamps, the whole one-tenth of described MT lock pin anchor clamps " protruding " font, anchor clamps are to be made of jig main body and at least one plate clamp cover plate, described jig main body is provided with the groove of placing the MT lock pin; Be provided with the block of hook-type on the anchor clamps top, the width of this link stopper is less than the width of anchor clamps; The both shoulders of MT lock pin termination are exposed; The locating slot place of the termination of the corresponding MT lock pin of described anchor clamps cover plate is provided with bayonet lock;
Grinding tool, described grinding tool are by frame, emery wheel group; Be provided with the device of crosswise fixed anchor clamps in the side on the described frame, on the emery wheel group; Described emery wheel group is by driven by motor; Vertically be installed on the frame, the emery wheel group is made up of two emery wheels; Distance between described two emery wheels is corresponding with the hook-type block of anchor clamps.
Technique scheme is done further to improve, the hook-type block of described anchor clamps apart from the distance of jig main body at 1mm between the 3mm.Therefore both sides, MT lock pin termination require to grind off 1mm between the 3mm.
On the anchor clamps cover plate of anchor clamps, be provided with magnetic patch.When closing the anchor clamps cover plate, she can inhale on clamp body automatically, realizes being automatically locked like this.
Said method is done further to improve, and described emery wheel group is by servomotor control, and described servomotor is by prior programming mode motion.Because it is quite little to grind off distance, therefore select servomotor and then programming Control for use.
Described movement locus is a step, and the width of step is 1.25mm ± 20um, and the degree of depth is 50um ± 20um.
Second goal of the invention of the present invention provides a kind of grinding tool; Be used for the MT lock pin of finished product is carried out the secondary polishing, thereby can obtain the better MT lock pin of switching performance.
For finishing second goal of the invention, patent of the present invention is achieved in that a kind of grinding tool that is used for claim 1, and it is by frame, is with the motor and the anchor clamps of emery wheel to constitute; Described anchor clamps are installed on the frame, and the motor of described band emery wheel is installed on the Z axle of frame, and wherein anchor clamps are positioned at the motor top of band emery wheel; It is characterized in that: have the groove of placing the MT lock pin in the middle of the described jig main body; Grade hook that is provided with on the jig main body top; Stop hook exceeds jig main body; After the MT lock pin was put into groove, the exposed at both sides of MT lock pin termination was outside jig main body; Described anchor clamps cover plate and jig main body limit flexibly connect; Emery wheel on the motor is over against the expose portion of MT lock pin termination.Because there are many shortcomings in casting technique, therefore, realize by the secondary grinding technology; By utilizing special anchor clamps, realize special-purpose polishing, thereby satisfy technologic needs.
Technique scheme is done further to improve, and described motor is a servomotor, is realized by programming Control, and the polishing track is the step path.There is a locating slot at middle part, MT lock pin termination; Appropriate section at the anchor clamps cover plate is provided with alignment pin.
Because technological requirement is quite high, therefore adopt the servomotor programming Control, thus more convenient, more accurate operation.It is in order to prevent that the appropriate section of anchor clamps cover plate is provided with alignment pin, and in bruting process, the MT lock pin is subjected to upward pressure and moves, thereby causes the deviation of accuracy.
The 3rd invention of the present invention be: a kind of MT lock pin is provided, its step after both sides are provided with polishing, on the one hand its contact is closer, and is better to the transmission of signal, on the other hand, prevents that also dust from falling into.
For finishing the foregoing invention purpose, a kind of MT lock pin is made of heart yearn and termination; Described termination is positioned at the end of heart yearn, and jack is arranged at its top; It is characterized in that: grind off at least one 1.25mm ± 20um in the both sides of termination, dark 50um ± 20um step.
Technique scheme is done further to improve, and described step is two.
Description of drawings
Fig. 1 is the grinding tool overall schematic.
Fig. 2 is the schematic diagram of opening of anchor clamps.
Fig. 3 is pack into the state diagram of MT lock pin of anchor clamps.
Fig. 4 emery wheel cooperates figure with anchor clamps.
The specific embodiment
For advantage of the present invention is described, below in conjunction with accompanying drawing, the invention will be further elaborated.
Specific embodiment
Patent of the present invention is achieved in that the method for a kind of MT of making lock pin termination, and the MT lock pin is packed in the anchor clamps, anchor clamps is fixed on the frame of grinding tool again; Open grinding tool, polish by the emery wheel of grinding tool.
It comprises according to the overall structure of its grinding tool of such scheme: frame, emery wheel group.Be provided with the device of crosswise fixed anchor clamps on the frame and above the emery wheel group, its emery wheel group vertically is installed on the frame by driven by motor, and the emery wheel group is made up of two emery wheels, and the distance between two emery wheels of grinding group is corresponding with the hook-type block of anchor clamps.
Introduce the structure machine annexation (as shown in Figure 1) of the whole each several part of its grinding tool below.Have slot on the lamina tecti 7 on the frame, vertically put into horizontal anchor clamps 2 in its hole, and pinning guided way, at the upper surface of horizontal anchor clamps 2 hole the same with anchor clamps 3 arranged, vertical one of anchor clamps 3 convex shape placed are to low side in the hole, and there is guided way on horizontal anchor clamps 2 both sides, one of the bottom configuration of horizontal anchor clamps 2 is used to block the perforate catch that inserts anchor clamps two shoulders, lock with screw perforate catch outer end, and the hole of perforate catch is avoided inserting anchor clamps 3 and passed less than the size of inserting anchor clamps two shoulders.
The upper side position of lamina tecti is equipped with mobile and horizontal anchor clamps motor 1 and is connected with the front end screw mandrel, is used for the horizontal anchor clamps of control to move forward and backward.It below the lamina tecti 7 motor 4; below the motor 4 horizontal parallel placement lamina tectis 7; on 4 in its motor 2 emery wheels 8 are housed; 2 middle packing rings 41 with 4mm of emery wheel separate an outer end and lock (as shown in Figure 4) with screw; the purpose of design is; can play effect to two emery wheel 8 range lines; packing ring 41 also can be protected and insert anchor clamps 3 accidental injuries; emery wheel 8 just in time can be ground on the workpiece 31 corresponding positions but also save complicated manual adjustment, be the slot of lamina tecti 7 directly over the emery wheel and match with anchor clamps 3 convex shape both shoulders.Below the grinding motor 4 is two-dimentional adjustment rack 6, and stepper motor 5 is installed in two-dimentional adjustment rack 6 sides, adorns an axle at Z axle runner and is connected with stepper motor 5 with shaft joint, is convenient to control more accurately back engagement of the cutting edge.Installation shaft connects X-axis handle 9 with connector in two-dimentional adjustment rack 6, is used to control the grinding wheel directions X and moves, and is convenient to the tool setting of grinding wheel and makes things convenient for the dismounting of grinding wheel 8.Suspended hood is loaded onto in zone in the emery wheel running, connects air exhauster with flexible pipe, can siphon away a large amount of dusts during running.Because in the process of processing, can produce a large amount of abrasive dusts and other dusts; can cause abrasive dust to stop up as not getting rid of; the health that a large amount of dusts precipitate operating personnel in the workshop causes very big influence; suspended hood is installed just can be effectively discharged dust, thereby operating personnel's health is effectively protected with flexible pipe connection air exhauster.
The anchor clamps schematic diagram has the groove of placing the MT lock pin as shown in Figure 2 in the middle of the jig main body; Grade hook that is provided with on the jig main body top; The termination of MT lock pin is rectangle (as shown in Figure 3); Which is provided with jack, this jack communicates with optical fiber, is provided with locating slot 32 in the side of termination; The whole one-tenth of lock pin anchor clamps " protruding " font, anchor clamps are to be made of jig main body and at least one plate clamp cover plate 27, described jig main body is provided with the groove 23 of placing the MT lock pin; Be provided with the block 24 of hook-type on the anchor clamps top, the width of this link stopper is less than the width of anchor clamps; The both shoulders of MT lock pin termination are exposed, and locating slot 26 places of the termination of anchor clamps cover plate 27 corresponding MT lock pins are provided with bayonet lock 25; Stop hook exceeds jig main body.After the MT lock pin was put into groove, the exposed at both sides of MT lock pin termination was outside jig main body.Described anchor clamps cover plate and jig main body limit flexibly connect, and the emery wheel on the motor is over against the expose portion of MT lock pin termination.Because there are many shortcomings in casting technique, therefore, realize by the secondary grinding technology; By utilizing special anchor clamps, realize special-purpose polishing, thereby satisfy technologic needs.
The hook-type block of anchor clamps apart from the distance of jig main body at 1mm between the 3mm.Therefore both sides, MT lock pin termination require to grind off 1mm between the 3mm.On the anchor clamps cover plate, be provided with magnetic patch 22.When closing anchor clamps cover plate 27, she can inhale on clamp body automatically, realizes being automatically locked like this.Said method is done further to improve, and described emery wheel group is by servomotor control, and described servomotor is by prior programming mode motion.Because it is quite little to grind off distance, therefore select servomotor for use, carry out programming Control.Described grinding trajectory is a step, and the width of step is 1.25mm ± 20um, and the degree of depth is 50um ± 20um.Because technological requirement is quite high, therefore adopt the servomotor programming Control, thus more convenient, more accurate operation.It is in order to prevent that the appropriate section of anchor clamps cover plate is provided with alignment pin, and in bruting process, the MT lock pin is subjected to upward pressure and moves, thereby causes the deviation of accuracy.
Can solve according to this scheme, grind off at least one 1.25mm ± 20um in the both sides of termination, dark 50um ± 20um step.Step after both sides are provided with polishing, its contact is closer on the one hand, and is better to the transmission of signal, on the other hand, prevents that also dust from falling into.
The operation of machine:
1. opening power is transferred to automatically, and lock pin (workpiece) is put into the insertion anchor clamps, covers the anchor clamps cover plate.
2. click starting switch,, will insert anchor clamps 3 and be inserted into horizontal anchor clamps 2 also on earth, allow the machine automatic grinding when inserting lamp when bright.
3. when stopping light is bright, extract the insertion anchor clamps, open hinge, take out product, the cleaning end face is finished a circulation.
4., under manual mode, increase or reduce umber of pulse and realize the high accuracy adjusting if cutting quantity is too deeply too shallow.
5. the automatic running action of machine:
1, under automatic mode, when clicking starting switch, mobile and horizontal anchor clamps motor 1 is just changeing, and horizontal anchor clamps 2 move forward to spacing stopping.
2, bright when inserting the LED lamp of indicating, with the horizontal anchor clamps 2 of insertion anchor clamps 3 insertions that install workpiece 31 also on earth.
3, mobile and horizontal moves motor 1 counter-rotating, grinds motor 4 runnings simultaneously, and horizontal anchor clamps 2 retreat into spacing.
4, at this moment, stepper motor 5 just is being given to fixed umber of pulse and is being stopped, and mobile and horizontal anchor clamps motor 1 is just changeing simultaneously, and horizontal anchor clamps 2 move forward to spacing.
5, move forward to when spacing when horizontal anchor clamps, mobile and horizontal anchor clamps motor 1 reverses again, and horizontal anchor clamps 2 retreat into spacing.
6, retreat into when spacing when horizontal anchor clamps 2, stepper motor 5 just is being given to fixed umber of pulse again and is being stopped, and mobile and horizontal anchor clamps motor 1 is just changeing simultaneously, and horizontal anchor clamps 2 move forward to spacing.
7, move forward to spacingly when horizontal anchor clamps 2, mobile and horizontal anchor clamps motor 1 reverses again, and horizontal anchor clamps 2 retreat into spacing stopping, and grind motor simultaneously and also stop.
8, the last twice umber of pulse sum of stepper motor 5 counter-rotatings simultaneously got back to initial point, stops then.Wait for next circulation.
9, when the LED lamp that stops to indicate is bright, extract and insert anchor clamps 3, take out product (workpiece) 31, finish one-period.

Claims (2)

1. a method of making MT lock pin termination is characterized in that, the MT lock pin is packed in the anchor clamps, anchor clamps is fixed on the frame of grinding tool again; Open grinding tool, polish by the emery wheel of grinding tool; The MT lock pin, the termination of described MT lock pin is rectangle; Which is provided with jack, this jack communicates with optical fiber, is provided with locating slot in the side of termination; Anchor clamps, the whole one-tenth of described MT lock pin anchor clamps " protruding " font, anchor clamps are to be made of jig main body and at least one plate clamp cover plate, described jig main body is provided with the groove of placing the MT lock pin; Be provided with the block of hook-type on the anchor clamps top, the width of this block is less than the width of anchor clamps; The both shoulders of MT lock pin termination are exposed; The locating slot place of the termination of the corresponding MT lock pin of described anchor clamps cover plate is provided with bayonet lock; Grinding tool, described grinding tool is made up of frame, emery wheel group; On the described frame, be provided with the device of crosswise fixed anchor clamps above the emery wheel group; Described emery wheel group is by driven by motor; Vertically be installed on the frame, the emery wheel group is made up of two emery wheels; Distance between described two emery wheels is corresponding with the hook-type block of anchor clamps.
2. a kind of method of making MT lock pin termination according to claim 1 is characterized in that: the hook-type block of described anchor clamps apart from the distance of jig main body at 1mm between the 3mm.
3. a kind of method of making MT lock pin termination according to claim 1 is characterized in that: be provided with magnetic patch on the anchor clamps cover plate of anchor clamps.
4. a kind of method of making MT lock pin termination according to claim 1 is characterized in that: described emery wheel group is by servomotor control, and described servomotor is by prior programming mode motion.
5. a kind of method of making MT lock pin termination according to claim 4 is characterized in that: described movement locus is a step, and the width of step is 1.25mm ± 20um, and the degree of depth is 50um ± 20um.
6. a kind of method of making MT lock pin termination according to claim 1, wherein said MT lock pin termination is made of heart yearn and termination; Described termination is positioned at the end of heart yearn, and jack is arranged at its top; Grind off at least one 1.25mm ± 20um in the both sides of termination, the step of dark 50um ± 20um.
7. ask the method for the 6 described a kind of MT of making lock pin terminations according to right, it is characterized in that: described step is two.
CN 201110098466 2011-04-19 2011-04-19 MT insertion core, production method and fixture in use Expired - Fee Related CN102416600B (en)

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Application Number Priority Date Filing Date Title
CN 201110098466 CN102416600B (en) 2011-04-19 2011-04-19 MT insertion core, production method and fixture in use

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Application Number Priority Date Filing Date Title
CN 201110098466 CN102416600B (en) 2011-04-19 2011-04-19 MT insertion core, production method and fixture in use

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CN102416600A CN102416600A (en) 2012-04-18
CN102416600B true CN102416600B (en) 2013-07-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109174560B (en) * 2018-10-15 2024-03-12 中南大学 Automatic coupling dispensing curing device of magnetic suction clamping type photoelectric detector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0652110A2 (en) * 1993-11-10 1995-05-10 Brother Kogyo Kabushiki Kaisha Tape printing apparatus having manual tape cutting device
CN1868665A (en) * 2005-05-26 2006-11-29 上海凯通电讯设备厂 Module insertion type universal clamping board for grinding insertion core end face of optical fiber connector
CN101299086A (en) * 2007-05-02 2008-11-05 住友电气工业株式会社 Optical fibre connector and assembly method thereof
CN201279711Y (en) * 2008-10-31 2009-07-29 深圳市翔通光电技术有限公司 Optical fiber ceramic lock pin chamfering top circle processing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0652110A2 (en) * 1993-11-10 1995-05-10 Brother Kogyo Kabushiki Kaisha Tape printing apparatus having manual tape cutting device
CN1868665A (en) * 2005-05-26 2006-11-29 上海凯通电讯设备厂 Module insertion type universal clamping board for grinding insertion core end face of optical fiber connector
CN101299086A (en) * 2007-05-02 2008-11-05 住友电气工业株式会社 Optical fibre connector and assembly method thereof
CN201279711Y (en) * 2008-10-31 2009-07-29 深圳市翔通光电技术有限公司 Optical fiber ceramic lock pin chamfering top circle processing device

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