CN102922454A - Optical disc motherboard clamp - Google Patents
Optical disc motherboard clamp Download PDFInfo
- Publication number
- CN102922454A CN102922454A CN2012104941626A CN201210494162A CN102922454A CN 102922454 A CN102922454 A CN 102922454A CN 2012104941626 A CN2012104941626 A CN 2012104941626A CN 201210494162 A CN201210494162 A CN 201210494162A CN 102922454 A CN102922454 A CN 102922454A
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- ringfeder
- pull bar
- diameter
- handle
- stamper
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Abstract
The invention discloses an optical disc motherboard clamp, comprising a draw bar, an expanding sleeve, a draw bar cap, a handle, a first pin and a second pin, wherein the expanding sleeve is sleeved at the periphery of the inner end of the draw bar; two limiting waist through holes are symmetrically formed in the expanding sleeve; the second pin passes through the draw bar; two ends of the second pin are respectively arranged inside the two limiting waist through holes; the draw bar cap is connected to the outer end of the draw bar; the expanding sleeve is fixedly arranged inside the handle through the first pin; the head part of the expanding sleeve is exposed out of the handle, and the diameter of the expanding sleeve is smaller than that of a center hole of the motherboard when the head part of the expanding sleeve is not expanded, and the diameter is not smaller than that of the center hole of the motherboard when the head part of the expanding sleeve is expanded. The optical disc motherboard clamp disclosed by the invention can conveniently, easily and safely take down the motherboard, has double insurance (sucking by a suction cup and expanding by the expanding sleeve) when the motherboard is dismantled, and is simple in structure and convenient to use.
Description
Technical field
The present invention relates to a kind of laser disc stamper anchor clamps.
Background technology
Laser disc production moulding: the laser disc materials such as DVD are the PC plastics, by injection machine granular PC raw material are heated, and are melt and dissolved and be poured in the die cavity of optical disk mould cooling forming.The injection moulding efficient of injection machine be about 3-4 second/time.One-shot forming a slice laser disc.Accompanying drawing 1 is laser disc moulding cavity structure schematic diagram, and injection machine is filled with die cavity, cooling forming, Punch(drift by the sprue gate with the PC material) circular hole is gone out at the center.Left and right sides die cavity separately just can take out laser disc by manipulator.
Problems Existing: because stamper is often bad, therefore, need to takes off and more renew stamper or repair.The program that stamper takes off and step: left and right die cavity is separated, with Holder(stamper bracing frame) take out, take off again stamper.But many times, stamper can not followed Holder(stamper bracing frame) break away from die cavity, therefore, stamper takes out especially difficulty, but also easily falls on the ground.Because stamper is high-precision part, collides with as long as have slightly, scraps exactly.Because the surface storage information of laser disc, surface accuracy is very high, so stamper is high-precision part equally.
Summary of the invention
Goal of the invention: the invention provides a kind of laser disc stamper anchor clamps, effectively solved stamper and taken out difficult practical problem.
Technical scheme: in order to solve the problems of the technologies described above, adopt following technical scheme:
A kind of laser disc stamper anchor clamps, comprise pull bar, ringfeder, pull bar cap, handle, the first pin, the second pin, described ringfeder is socketed in outside pull bar the inner and places, be arranged with two spacing waist through hole on the described ringfeder, described the second pin passes pull bar, and its two ends lay respectively in two spacing waist through hole; Described pull bar cap is connected on the pull bar outer end; Described ringfeder is fixedly mounted in the handle by the first pin, and the head of described ringfeder is exposed at the outside of handle, and the diameter during spreading is not less than the diameter of mother disc centre hole for the head of described ringfeder, and the diameter during spreading is not less than the diameter of mother disc centre hole.
During use, hold handle, the head of ringfeder is stretched into the centre bore of stamper, pushing drawing rod cap then, ringfeder head spreading under the active force of pull bar.The diameter of mother disc centre hole is generally 22mm, so for when ringfeder does not expand, its head can stretch into the centre bore of stamper, can prop up stamper during the ringfeder spreading and not damage stamper, the head outer diameter of described ringfeder is preferably 16-20mm, the diameter during spreading and the equal diameters of mother disc centre hole.
In order to guarantee smoothly stamper to be taken off, the length that the head of ringfeder is exposed at the outside of handle is 5-15mm.
The setting of spacing waist through hole and the second pin is in order to control the stroke of pull bar.
In order to guarantee the elastic performance of ringfeder, described ringfeder head outer diameter is 18mm; Axially evenly have a plurality of grooves on the described ringfeder head and along ringfeder, the width 0.5mm of each groove, the length of each groove is not less than 45mm; The inwall of described ringfeder head is step-like, and the bottom length of bench is 9-11mm, and shoulder height is 3-5mm.The end that described pull bar is positioned at ringfeder is round table-like, and the angle between the bus of round platform and the axis of round platform is 9-12 °, and the inner end diameter of pull bar is 8-10mm.
Stroke during for effective control pushing drawing rod, the waist of described waist through hole is long to be 0-15mm.Be preferably 15mm.
Waist length refers to the length of the straight line waist that waist through hole two is parallel.
In order to control more reposefully the stroke of pull bar, place and between described pull bar cap and ringfeder, establish at the outer of pull bar
Compress Spring is arranged.Preferably, described Compress Spring central diameter 17-19mm, wire diameter 1.5-1.7mm, pitch 3-5mm, initial length are 35-45mm.
The central diameter of above-mentioned spring is the average diameter of spring; Wire diameter thrum spring gauge of wire.
In order further to limit the stroke of pull bar, described handle is provided with the hoodle screw that can control rod stroke, the corresponding hoodle groove that is used for fixing the hoodle screw after rod stroke puts in place that is provided with on the pull bar.When the pushing drawing rod Overstroke, the hoodle screw can be fastened in the hoodle groove.
In order further to guarantee safely stamper to be taken out, described handle is circular near an end of ringfeder head, periphery along annulus is evenly distributed with a plurality of vacuum cups, and handle is provided with vacuum generator, is connected with the circulating vacuum pipeline between vacuum generator and each vacuum cup.
The interior diameter of a circle of described annulus is not less than the information faces diameter of DVD dish.
Stamper is that a thickness is the round steel dish of 0.3mm, and it is 22mm that a center-hole diameter is arranged, and outside diameter is 148mm.And the information faces diameter of DVD dish is 120mm, so the effective information face of stamper also is 120mm.Be non-information faces greater than 120mm to the zone of 148mm.
In order not damage the information faces of stamper, diameter of a circle is not less than 120mm in the described annulus, described vacuum cup be arranged on along circular periphery take annulus the center of circle as center of circle diameter be respectively 120 and two circles of 148mm between.
Beneficial effect: laser disc stamper anchor clamps of the present invention can make things convenient for, easily, safely stamper is taken off, and have dual fail-safe (sucker holds and the ringfeder tensioner) during the dismounting stamper, and simple in structure, easy to use.
Description of drawings
Fig. 1 is laser disc moulding cavity structure schematic diagram.
Fig. 2 is the embodiment of the invention 1 laser disc stamper clamp structure schematic diagram.
Fig. 3 is the embodiment of the invention 2 laser disc stamper anchor clamps stereograms.
Fig. 4 is the embodiment of the invention 2 laser disc stamper anchor clamps front views.
Fig. 5 is the right view of Fig. 4.
Fig. 6 is ringfeder structural representation of the present invention.
Fig. 7 is that the A-A of Fig. 6 is to view.
Fig. 8 is Tiebar structure schematic diagram of the present invention.
The specific embodiment
Extremely shown in Figure 8 such as Fig. 2, laser disc stamper anchor clamps, comprise pull bar 1, ringfeder 2, pull bar cap 3, handle 4, the first pin 5, the second pin 6, ringfeder 2 is socketed in pull bar 1 inner outer placing, its two ends lay respectively in two spacing waist through hole 23 after being arranged with two spacing waist through hole 23, the second pins 6 on the ringfeder 2 and passing pull bar 1; Pull bar cap 3 is connected on pull bar 1 outer end; Ringfeder 2 is fixedly mounted in the handle 4 by the first pin 5, and ringfeder 2 heads are exposed at the outside of handle 4, and the head of ringfeder 2 is the external diameter 18mm during spreading not, and the diameter during spreading equals the diameter 22mm of mother disc centre hole.
Among Fig. 1,15 is the Punch(drift), 16 is Holder(stamper bracing frame), 17 is stamper, and 18 is the levorotation chamber, and 19 is die cavity, and 20 is die joint, and 21 is right die cavity, and 22 is the sprue gate.
The length that the head of ringfeder 2 is exposed at the outside of handle 4 is 5-15mm, and preferred 10mm axially evenly has a plurality of grooves on ringfeder 2 heads and along ringfeder, the width 0.5mm of each groove, and the length of each groove is 45mm; The inwall of ringfeder 2 heads is step-like, and the bottom length of bench is 9-11mm, preferred 10mm, and shoulder height is 4mm.
The end that pull bar 1 is positioned at ringfeder 2 is round table-like, and the angle between the bus of round platform and the axis of round platform is 9 °, and the inner end diameter of pull bar is 10mm.
Pull bar outer place and between pull bar cap 3 and ringfeder 2 cover Compress Spring 7 is arranged, Compress Spring 7 central diameter 18mm, wire diameter 1.6mm, pitch 4mm, initial length are 40mm.
Operation principle: during use, hold handle, the head of ringfeder 2 is stretched into the centre bore of stamper 17, then the pushing drawing rod cap 3, ringfeder 2 head spreadings under the active force of pull bar.
Embodiment 2
Substantially the same manner as Example 1, difference is: handle 4 is circular near an end of ringfeder 2 heads, be evenly distributed with a plurality of vacuum cups 10 along circular periphery, handle 4 is provided with vacuum generator 12, is connected with circulating vacuum pipeline 11 between vacuum generator 12 and each vacuum cup 10.
The interior diameter of a circle of annulus is not less than the information faces diameter of DVD dish.
Because ringfeder 2 heads are wanted the energy spreading, therefore, at ringfeder 2 slotted heads, groove width 0.5mm, slotting length (length take head as initiating terminal) 45mm divides equally 12 five equilibriums at circumference.When requiring pull bar 1 to eject, ringfeder 2 head spreadings, after pull bar 1 is return, rise in ringfeder 2 recovery sources.Namely the spreading of ringfeder 2 heads with recover freely, namely whole deformation process is strain, is recoverable deformation.Designing requirement ringfeder 2 thickness (not comprising the following part of ringfeder head step) (the C part that shows in Fig. 6) size to size is less than or equal to 1.5mm, D(ringfeder groove length) size is more than or equal to 45mm, thereby guarantees that ringfeder 2 head outer diameter are strain by 18mm to the 22mm vary in diameter.The second pin 6 is installed in the spacing waist through hole 23 of ringfeder 2, in order to limit the stroke of pull bar 1, and restriction pull bar 1 stroke is 15mm, in order to guarantee to reach at the stroke of 15mm the spreading aperture of ringfeder 2 heads, just need to guarantee step dimension E(bottom length of bench)=10 ± 0.03mm, shoulder height F=4 ± 0.03mm, therefore, the dimensional requirement of pull bar 1 stroke and shoulder height and width is used in conjunction with, and mutually restricts.
The elastic force of Compress Spring 7 can not surpass hoodle and be stuck in resistance in the hoodle groove 9, does not drop on hoodle groove 9 when interior, the frictional resistance of whole pull bar 1 but be greater than hoodle.Pull bar 1 could be return automatically like this.Compress Spring 7 central diameter 18mm, wire diameter 1.6mm, pitch 4mm, initial length are 40mm.
Ringfeder 2 adopts duralumin material (LY11), open front is carried out FEM calculation, the head of the ringfeder 2 not diameter during spreading is 18mm, diameter during the head spreading of ringfeder 2 is that the diameter of 22mm(mother disc centre hole is 22mm), jib-length 45mm, cantilever thickness is 1.5mm, and the maximum stress of root is 192MPa, and the yield strength of duralumin material is 378MPa.Hence one can see that, and the design size of ringfeder 2 is strain in using deformation range, can recover distortion.Meet design requirement.
The designing and calculating of Compress Spring 7 parameters, the horizontal resistance of hoodle screw 8 in hoodle groove 9 is 30N, the hoodle screw 8 not normal pressure in hoodle groove 9 is 27N, the coefficient of friction of steel and copper is 0.19, then the horizontal frictional resistance of hoodle screw 8 generations is 5.13N, so the elastic force of Compress Spring 7 in whole compression process should be between 5N ~ 30N.The precompressed elastic force that is Compress Spring is not less than 5N, and the elastic force in the time of maximum compressibility is less than 30N.The Compress Spring of selecting is: central diameter 18mm, and wire diameter 1.6mm, pitch 4mm, initial length are 40mm.Precompressed 5mm, maximum compressibility 20mm.Pressure when calculating Compress Spring 7 precompressed is 6.5N, pull bar 1 advances behind the 15mm, pressure when decrement is 20mm is 26N, the coefficient of elasticity k=1.38N/mm of Compress Spring 7, the maximum stress of Compress Spring 7 is 310MPa in the whole compression process, less than the yield strength 980MPa of spring steel.Design meets the demands.
Operation principle: hold handle 1, pull bar cap 3 is positioned over the centre of the palm, the five fingers button and handle 1.The stamper anchor clamps are removed to stamper 17 surfaces.Ringfeder 2 heads go deep in stamper 17 endoporus.Vacuum cup 10 is pressed in the non-information faces zone of stamper 17 simultaneously.After the chuck surface densification is real, open the gas source switch of vacuum generator 12, in circulating vacuum passage 11 interior generation vacuums, thereby hold stamper 17, simultaneously, with centre of the palm push-and-pull pole cap 3, so that pull bar 1 moves forward, because the frustum cone structure of pull bar 1 front end and the ledge structure of ringfeder 2 interact, so that ringfeder 2 head spreadings prop up stamper 17 endoporus.Thereby stamper 17 is clamped.Behind pull bar 1 Overstroke, meanwhile hoodle screw 8 just in time withstands in the hoodle groove 9 on the pull bar, plays the effect of steady brace 1 position.Pull bar 1 no longer retreats, and tensioner stamper 17 does not break away from.So just can from mold cavity, take out stamper 17.Stamper 17 has dual fail-safe: 1, vacuum cup 10 holds; 2, ringfeder 2 tensioners.Guaranteed that stamper 17 does not drop on the ground.In the time will unloading stamper 17 from anchor clamps, first with pull bar 1 past post-tensioning, so that hoodle screw 8 is jumped out hoodle groove 9, after hoodle screw 8 was jumped out hoodle groove 9, because Compress Spring 7 effects, pull bar 1 automatic backing was to initial position.Ringfeder 2 also returns to initial position, and stamper 17 is placed on the platform, and vacuum generator 12 sources of the gas are disconnected, and stamper 17 can unload safely.
Above-described embodiment does not limit the present invention in any way, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection scope of the present invention.
Claims (9)
1. laser disc stamper anchor clamps, it is characterized in that: comprise pull bar (1), ringfeder (2), pull bar cap (3), handle (4), the first pin (5), the second pin (6), described ringfeder (2) is socketed in inner outer the placing of pull bar (1), be arranged with two spacing waist through hole (23) on the described ringfeder (2), its two ends laid respectively in two spacing waist through hole (23) after described the second pin (6) passed pull bar (1); Described pull bar cap (3) is connected on pull bar (1) outer end; Described ringfeder (2) is fixedly mounted in the handle (4) by the first pin (5), and described ringfeder (2) head is exposed at the outside of handle (4), the diameter during spreading is not less than the diameter of mother disc centre hole for the head of described ringfeder (2), and the diameter during spreading is not less than the diameter of mother disc centre hole.
2. laser disc stamper anchor clamps as claimed in claim 1, it is characterized in that: the length that the head of described ringfeder (2) is exposed at the outside of handle (4) is 5-15mm, described ringfeder (2) head outer diameter is 16-20mm.
3. laser disc stamper anchor clamps as claimed in claim 2, it is characterized in that: described ringfeder (2) head outer diameter is 18mm; Axially evenly have a plurality of grooves on described ringfeder (2) head and along ringfeder, the width 0.5mm of each groove, the length of each groove is not less than 45mm; The inwall of described ringfeder (2) head is step-like, and the bottom length of bench is 9-11mm, and shoulder height is 3-5mm.
4. laser disc stamper anchor clamps as claimed in claim 1, it is characterized in that: described pull bar (1) the inner is round table-like, and the angle between the bus of round platform and the axis of round platform is 9-12 °, and the inner end diameter of pull bar is 8-10mm.
5. laser disc stamper anchor clamps as claimed in claim 1 is characterized in that: pull bar outer place and between described pull bar cap (3) and ringfeder (2) cover Compress Spring (7) is arranged.
6. laser disc stamper anchor clamps as claimed in claim 5 is characterized in that: described Compress Spring (7) central diameter 17-19m
M, wire diameter 1.5-1.7mm, pitch 3-5mm, initial length are 35-45mm.
7. laser disc stamper anchor clamps as claimed in claim 1, it is characterized in that: described handle (4) is provided with the hoodle screw (8) that can control pull bar (1) stroke, and the upper correspondence of pull bar (1) is provided with the hoodle groove (9) that is used for fixing hoodle screw (8) behind pull bar (1) Overstroke.
8. such as the described laser disc stamper of claim 1 to 7 any one anchor clamps, it is characterized in that: described handle (4) is circular near an end of ringfeder (2) head, periphery along annulus is evenly distributed with a plurality of vacuum cups (10), handle (4) is provided with vacuum generator (12), is connected with circulating vacuum pipeline (11) between vacuum generator (12) and each vacuum cup (10).
9. laser disc stamper anchor clamps as claimed in claim 8 is characterized in that: the interior diameter of a circle of described annulus is not less than the information faces diameter of DVD dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210494162.6A CN102922454B (en) | 2012-11-28 | 2012-11-28 | Optical disc motherboard clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210494162.6A CN102922454B (en) | 2012-11-28 | 2012-11-28 | Optical disc motherboard clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922454A true CN102922454A (en) | 2013-02-13 |
| CN102922454B CN102922454B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210494162.6A Expired - Fee Related CN102922454B (en) | 2012-11-28 | 2012-11-28 | Optical disc motherboard clamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN102922454B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522493A (en) * | 2014-10-23 | 2016-04-27 | 富鼎电子科技(嘉善)有限公司 | Clamping device |
| CN108145400A (en) * | 2017-12-25 | 2018-06-12 | 重庆厚朴开物科技有限公司 | Corrugated sheet pick-and-place manipulator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4783893A (en) * | 1987-09-04 | 1988-11-15 | Robert Farino | Method of removing a head from a golf club |
| CN200988108Y (en) * | 2006-12-15 | 2007-12-12 | 河南省中原内配股份有限公司 | Conical hole centering fastening mechanism |
| CN201158024Y (en) * | 2007-12-29 | 2008-12-03 | 成都飞机工业（集团）有限责任公司 | Pin puller |
| CN201455901U (en) * | 2009-07-01 | 2010-05-12 | 吉林庆达数码有限公司 | Dismounting device for vacuum casting copper bushing of spin coating shaft |
| CN201599290U (en) * | 2010-02-09 | 2010-10-06 | 哈尔滨飞机工业集团有限责任公司 | Expanded plug type one-way spring pressing and positioning pin |
| CN201841286U (en) * | 2010-11-10 | 2011-05-25 | 内江市帆航制钉有限责任公司 | Elastic clamp for clamping outer diameter of workpiece |
| CN203003731U (en) * | 2012-11-28 | 2013-06-19 | 淮安信息职业技术学院 | Mother optical disk clamp |
-
2012
- 2012-11-28 CN CN201210494162.6A patent/CN102922454B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4783893A (en) * | 1987-09-04 | 1988-11-15 | Robert Farino | Method of removing a head from a golf club |
| CN200988108Y (en) * | 2006-12-15 | 2007-12-12 | 河南省中原内配股份有限公司 | Conical hole centering fastening mechanism |
| CN201158024Y (en) * | 2007-12-29 | 2008-12-03 | 成都飞机工业（集团）有限责任公司 | Pin puller |
| CN201455901U (en) * | 2009-07-01 | 2010-05-12 | 吉林庆达数码有限公司 | Dismounting device for vacuum casting copper bushing of spin coating shaft |
| CN201599290U (en) * | 2010-02-09 | 2010-10-06 | 哈尔滨飞机工业集团有限责任公司 | Expanded plug type one-way spring pressing and positioning pin |
| CN201841286U (en) * | 2010-11-10 | 2011-05-25 | 内江市帆航制钉有限责任公司 | Elastic clamp for clamping outer diameter of workpiece |
| CN203003731U (en) * | 2012-11-28 | 2013-06-19 | 淮安信息职业技术学院 | Mother optical disk clamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522493A (en) * | 2014-10-23 | 2016-04-27 | 富鼎电子科技(嘉善)有限公司 | Clamping device |
| CN108145400A (en) * | 2017-12-25 | 2018-06-12 | 重庆厚朴开物科技有限公司 | Corrugated sheet pick-and-place manipulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102922454B (en) | 2015-05-20 |
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Address after: 223005 Jiangsu city in Huaian Province, while the economic and Technological Development Zone No. 3, Huai'an College of Information Technology Applicant after: Huaian College of Information Technology Address before: 223003 Jiangsu city of Huaian Province Higher Education Park while the road No. 3 Huai'an College of Information Technology Applicant before: Huaian College of Information Technology |
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Inventor after: You Zhuan Inventor after: Wei Dongfang Inventor after: Zeng Xianren Inventor before: Wei Dongfang Inventor before: Zeng Xianren Inventor before: You Zhuan |
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Free format text: CORRECT: INVENTOR; FROM: WEI DONGFANG CENG XIANREN YOU ZHUAN TO: YOU ZHUAN WEI DONGFANG CENG XIANREN Free format text: CORRECT: ADDRESS; FROM: 223003 HUAIAN, JIANGSU PROVINCE TO: 223005 HUAIAN, JIANGSU PROVINCE |
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Granted publication date: 20150520 Termination date: 20161128 |