CN105710923A - Mold and method for forming array holes in compound rubber gasket used for fiber-optic gyroscope - Google Patents
Mold and method for forming array holes in compound rubber gasket used for fiber-optic gyroscope Download PDFInfo
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- CN105710923A CN105710923A CN201510282057.XA CN201510282057A CN105710923A CN 105710923 A CN105710923 A CN 105710923A CN 201510282057 A CN201510282057 A CN 201510282057A CN 105710923 A CN105710923 A CN 105710923A
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- guide plate
- lower bolster
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- optical fibre
- aperture
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Abstract
The invention relates to a mold and method for forming array holes in a compound rubber gasket used for a fiber-optic gyroscope and belongs to the technical field of hole forming. The mold comprises a punching head, a guide plate and a lower mold plate, wherein the guide plate and the lower mold plate are each provided with the holes corresponding to one another, and the lower mold plate is provided with a boss used for positioning and arranging the rubber gasket and further comprises a fastening device for closely connecting the guide plate with the lower mold plate. The method comprises the steps that the to-be-machined rubber gasket is clamped through the guide plate and the lower mold plate, and then hole forming is conducted on the rubber gasket through the punching head. According to the mold and method for forming the array holes in the compound rubber gasket used for the fiber-optic gyroscope, the design of the mold is simple, machining is easy, and the machining cost is low; and when the method is used, operation is easy and convenient, the efficiency is high, and the hole machining forming precision is high.
Description
Technical field
The present invention relates to aperture field shaping technique, be specifically related to the forming method of a kind of optical fibre gyro compounded rubber pad hole array.
Background technology
Fiber optic loop be by multiturn optical fiber on skeleton in a specific manner coiling form, the Guan Bi light path of big equivalent area is provided for optical fibre gyro, strengthening while Sagnac effect, reduces the volume of optical fibre gyro.Owing to fiber optic loop is the sensing element of optical fibre gyro, the stability of fiber optic loop and capacity of resisting disturbance directly affect the performance indications of optical fibre gyro.Fiber optic loop has two kinds of versions: have skeleton and exoskeletal.In optical fibre gyro, for there being the fixing fairly simple of skeleton fiber optic loop, and skeleton-free fiber loop is fixing relatively complicated, generally adopts upper and lower clamping plate type.
In the optical fibre gyro of upper and lower clamping plate type structure, while fiber optic loop is fixed in a device, farthest reduce again the crimp of fiber optic loop, the performance avoiding fiber optic loop is affected, it is necessary to respectively adds a pad as shown in Figure 1 between two end faces and the upper lower plate of fiber optic loop and separates.The material of pad generally selects that thermal conductivity is low, thermal coefficient of expansion is little, hardness is low, plasticity is high, the composite rubber material of made of soft；Meanwhile, in order to reduce the device conduction of heat to fiber optic loop, and effectively absorb the thermal deformation of fiber optic loop self, it is necessary to adopt porous heat-insulating technology that fiber optic loop is carried out heat shielding, the array of orifices of honeycomb arrangement will be processed on the pad of composite rubber material.
In order to meet the stability requirement of the optical fibre gyro fiber optic loop of upper and lower clamping plate type structure, need to reduce the deformation of fiber optic loop, and fiber optic loop is carried out effective heat shielding, it is thus desirable to use the pad of a kind of special composite rubber material, and on pad, process the array of orifices of honeycomb arrangement.The hardness of this gasket material is low, made of soft, and the diameter of the hole array on pad only has Φ 1.2mm, the minimum only 0.66mm of pitch of holes, therefore adopts traditional diamond-making technique to be difficult to molding.
Traditional method is to the processing of array of orifices on composite rubber material pad, and one is the method adopting pincers worker Drilling operation: this method is to use common parallel shank twist drill, on drilling machine, composite rubber material pad is holed.The difficult point of this processing method is in that the material softness of pad, because made of soft, is difficult to molding during drill bit drilling aperture, also cannot ensure the positional precision in processing hole, it is impossible to make the aperture of processing by pre-provisioning request array.
Two is design specialized diel, the method adopting mould punching processing.This processing method needs to design a set of diel, the punch of mould has 300 diameters be only Φ 1.2mm, minimum spacing only has the drift of 0.66mm, it is possible to the method adopting overall processing molding or assembling.The die of mould needs also exist for processing the aperture that 300 diameters are Φ 1.2mm.Also need to the necessary structure of the diel such as guide pillar, guide pin bushing.The difficult point of this method is in that, hole on pad is up to 300, and diameter is little, spacing is little, in order to obtain the suitable intensity of diel, rigidity, mold materials needs to select the relatively poor mould steel of cutting ability, and on composite rubber material pad, the aperture of 300 array of orifices and pitch of holes are all only small, great difficulty is brought to the design of diel and processing, Design of Dies required precision is high, processing costly, the process-cycle long, meanwhile, the mold use life-span is also very short.
In sum, be there is the problem that precision is low or Design of Dies is complicated, processing charges is high and the life-span is short by above-mentioned prior art in the processing method of array of orifices on composite rubber material pad.Therefore one design it is badly in need of simple, long service life, the mould of the compounded rubber pad hole array that machining accuracy is high, expense is low.
Summary of the invention
The invention aims to overcome the drawbacks described above existed in prior art, it is provided that the mould of a kind of compounded rubber pad hole array and method.
The present invention proposes the mould of a kind of compounded rubber pad hole array: include drift, guide plate and lower bolster；Described guide plate has several apertures；Having the aperture corresponding with aperture on guide plate on described lower bolster, described lower bolster also has a boss, described boss can make rubber sheet gasket positioning installation be pressed between described guide plate and lower bolster；Also include one by clamp device closely coupled to described guide plate and lower bolster.
In technique scheme: described clamp device is the screwed hole that the screw-threaded counterbore being placed on guide plate is placed on lower bolster with correspondence.
In technique scheme: described guide plate has several dowel holes, described lower bolster has the alignment pin corresponding with described dowel hole.
In technique scheme: the quantity of described aperture is 300, the diameter of aperture is 1.2mm.
In technique scheme: the diameter of described boss can be 83mm, it is highly 1.3mm.
In technique scheme: described drift is diameter is the simple optical axis of 1.2mm.
In technique scheme: described drift can replace with the shank of the ordinary straight handle twist drill that diameter is 1.2mm.
In technique scheme: the section of described drift adopts the design at 6 degree of oblique angles.
The invention allows for the forming method of a kind of optical fibre gyro compounded rubber pad hole array, comprise the following steps:
Step one, boss on lower bolster is utilized to be placed on lower bolster rubber sheet gasket location；
Step 2, it is directed to the fastening of plate and lower bolster and is connected, pad is pressed between described guide plate and lower bolster；
Step 3, by drift clamping on the main shaft of common driller or hand punch, mobile main shaft, and make the aperture on drift alignment guide plate, mobile main shaft drives the downward punching of drift, aperture on pad and plastic；
Step 4, whole for aperture punchings being completed, unclamp the connection of guide plate and lower bolster, namely rubber blanket on-chip array aperture machines.
The present invention relates to the mould of a kind of compounded rubber pad hole array and method, this Design of Dies is simple, easily processes, and the expense of processing is low；The method is easy and simple to handle when using, and efficiency is high, and the machine-shaping precision of aperture is high.
Accompanying drawing explanation
Fig. 1 is composite rubber material gasket construction schematic diagram；
Fig. 2 is mould structure schematic diagram；
In figure: 1-trip bolt；2-drift；3-guide plate；
4-composite rubber material pad to be processed；5-lower bolster；
6-screw-threaded counterbore；7-dowel hole；8-alignment pin；9-boss；
10-screwed hole；Aperture on 11-guide plate；Aperture on 12-lower bolster.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The optical fibre gyro mould of compounded rubber pad hole array that the present invention proposes, as in figure 2 it is shown, include drift 2 guide plate 3 and lower bolster 5；Wherein guide plate 3 and lower bolster 5 can adopt NC super machining center to make, and drift 2 can adopt the method for turning to be processed；
Wherein on guide plate 3, it is possible to clamped one time molding makes 11,4 Φ 8mm dowel holes 7 of 300 Φ 1.2mm apertures and 4 M4 screw-threaded counterbore 6；
On lower bolster 5, it is possible to 12,4 Φ 8mm alignment pins 8 of 300 Φ 1.2mm apertures that clamped one time molding making is corresponding with guide plate 3 and 4 M4 screwed holes 10, and the boss 9 of diameter of phi 83mm, high 1.3mm；
Drift 2 can be the diameter processed by the method for turning is the simple optical axis of Φ 1.2mm, it is also possible to replace with the shank of the ordinary straight handle twist drill that diameter is Φ 1.2mm.
The optical fibre gyro forming method of compounded rubber pad hole array that the present invention proposes, operating procedure is as follows:
Step one, first rubber sheet gasket 4 utilizes the boss 9 of Φ 83mm on lower bolster 5 position, place it on lower bolster 5 and flatten；
Step 2, it is directed to plate 3 by 4 dowel holes 7 and the coordinating of alignment pin 8 on lower bolster 5, it is pressed on rubber sheet gasket 4, then lower bolster 5 and guide plate 3 is fastened with 4 M4 screws 1, compress rubber sheet gasket 4, because the thickness of rubber sheet gasket 4 is 1.5mm, and the boss height on lower bolster 5 is 1.3mm, under the fastening force effect of 4 M4 trip bolts 1, rubber sheet gasket 4 can be pinched between lower bolster 5 and guide plate 3.
Step 3, by drift 2 clamping on the main shaft of common driller or hand punch, move down main shaft, and make the aperture on drift 2 alignment guide plate 3, mobile main shaft drives the downward punching of drift 2, aperture on rubber sheet gasket 4 and plastic；
Step 4, after all punching completes, all apertures being unclamped 4 trip bolts 1, on rubber sheet gasket 4, namely hole array processing complete.
For professional and technical personnel in the field; can be improved according to the above description or be converted; and all these improve and convert the protection domain that all should belong to claims of the present invention; if described clamp device can be any applicable similar secure component, and it is not limited solely to threaded fastening device etc..
The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (9)
1. the optical fibre gyro mould of compounded rubber pad hole array, it is characterised in that: include drift (2), guide plate (3) and lower bolster (5)；Described guide plate (3) has several apertures (11)；Described lower bolster (5) has the aperture (12) corresponding with the upper aperture (11) of guide plate (3), described lower bolster (5) is upper also has a boss (9), and described boss (9) can make rubber sheet gasket positioning installation be pressed between described guide plate and lower bolster；Also include one by clamp device closely coupled to described guide plate (3) and lower bolster (5).
2. the optical fibre gyro according to claim 1 mould of compounded rubber pad hole array, it is characterised in that: described clamp device is be placed in screw-threaded counterbore (6) on guide plate (3) and screwed hole (10) that correspondence is placed on lower bolster (5).
3. the optical fibre gyro according to claim 1 and 2 mould of compounded rubber pad hole array, it is characterised in that: described guide plate (3) has several dowel holes (7)；Described lower bolster has the alignment pin (8) corresponding with described dowel hole (7).
4. the optical fibre gyro according to claim 1 and 2 mould of compounded rubber pad hole array, it is characterised in that: on described guide plate on aperture (11) and lower bolster the quantity of aperture (12) be 300, diameter be 1.2mm.
5. the optical fibre gyro according to claim 1 and 2 mould of compounded rubber pad hole array, it is characterised in that: the diameter of described boss (9) is 83mm, is highly 1.3mm.
6. the optical fibre gyro according to claim 1 and 2 mould of compounded rubber pad hole array, it is characterised in that: described drift (2) is simple optical axis that diameter is 1.2mm.
7. the optical fibre gyro according to claim 1 and 2 mould of compounded rubber pad hole array, it is characterised in that: described drift (2) can replace with the shank of the ordinary straight handle twist drill that diameter is 1.2mm.
8. the optical fibre gyro according to claim 1 and 2 mould of compounded rubber pad hole array, it is characterised in that: the section of described drift (2) adopts the design at 6 degree of oblique angles.
9. the method that the optical fibre gyro used in claim 1 or 2 carries out little hole forming with the mould of compounded rubber pad hole array, it is characterised in that comprise the following steps:
Step one, boss (9) on lower bolster (5) is utilized to be placed on lower bolster (5) rubber sheet gasket location；
Step 2, it is directed to the fastening of plate (3) and lower bolster (5) and is connected, make pad (4) be pressed between described guide plate (3) and lower bolster (5)；
Step 3, by drift (2) clamping on the main shaft of common driller or hand punch, mobile main shaft, and make the aperture (11) on drift (2) alignment guide plate (3), mobile main shaft drives drift (2) punching downwards, aperture on rubber sheet gasket (4) and plastic；
Step 4, whole for aperture punchings being completed, unclamp the connection of guide plate (3) and lower bolster (5), the upper hole array of rubber sheet gasket (4) namely machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510282057.XA CN105710923A (en) | 2015-05-28 | 2015-05-28 | Mold and method for forming array holes in compound rubber gasket used for fiber-optic gyroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510282057.XA CN105710923A (en) | 2015-05-28 | 2015-05-28 | Mold and method for forming array holes in compound rubber gasket used for fiber-optic gyroscope |
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| Publication Number | Publication Date |
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| CN105710923A true CN105710923A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510282057.XA Pending CN105710923A (en) | 2015-05-28 | 2015-05-28 | Mold and method for forming array holes in compound rubber gasket used for fiber-optic gyroscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641053A (en) * | 2019-09-25 | 2020-01-03 | 贵州天义电器有限责任公司 | Processing technique of thin film part |
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| CN202963177U (en) * | 2012-12-06 | 2013-06-05 | 瑞鹄汽车模具有限公司 | Silicon steel washer hole site blanking device |
| CN103611780A (en) * | 2013-11-13 | 2014-03-05 | 梧州恒声电子科技有限公司 | Punching process of spring washer |
| CN203991944U (en) * | 2014-07-30 | 2014-12-10 | 重庆杰信联众机械有限公司 | Mould pad punching die |
| CN204321685U (en) * | 2014-12-19 | 2015-05-13 | 长泰县海力机械制造有限公司 | Be arranged on the processing parts fixture on drilling machine |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD249145A3 (en) * | 1985-03-29 | 1987-09-02 | Ifa Getriebewerke Brandenburg | AUTOMATIC FIXING OF COMPONENTS IN AGGREGATES AND DEVICES |
| US5466098A (en) * | 1994-11-21 | 1995-11-14 | Juang; Bor-Chang | Drill bit guiding device |
| CN201115879Y (en) * | 2007-11-08 | 2008-09-17 | 郭德明 | Combined hole drilling prelocalization tool |
| CN101176928A (en) * | 2007-11-30 | 2008-05-14 | 上海诺玛液压***有限公司 | Drilling jig for unitized tooling circumferential and axial bore of electrohydraulic servo valve cover plate |
| CN201471516U (en) * | 2009-03-24 | 2010-05-19 | 哈尔滨飞机工业集团有限责任公司 | Rubber washer forming clamp |
| CN101992316A (en) * | 2009-08-29 | 2011-03-30 | 温永林 | Positioning die for gasket drill holes |
| CN202412349U (en) * | 2011-12-15 | 2012-09-05 | 济南吉利汽车有限公司 | Puncher |
| CN202963177U (en) * | 2012-12-06 | 2013-06-05 | 瑞鹄汽车模具有限公司 | Silicon steel washer hole site blanking device |
| CN103611780A (en) * | 2013-11-13 | 2014-03-05 | 梧州恒声电子科技有限公司 | Punching process of spring washer |
| CN203991944U (en) * | 2014-07-30 | 2014-12-10 | 重庆杰信联众机械有限公司 | Mould pad punching die |
| CN204321685U (en) * | 2014-12-19 | 2015-05-13 | 长泰县海力机械制造有限公司 | Be arranged on the processing parts fixture on drilling machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641053A (en) * | 2019-09-25 | 2020-01-03 | 贵州天义电器有限责任公司 | Processing technique of thin film part |
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Application publication date: 20160629 |