CN104148429A - Seamless airtight aluminum pipe optical unit and manufacturing method thereof - Google Patents
Seamless airtight aluminum pipe optical unit and manufacturing method thereof Download PDFInfo
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- CN104148429A CN104148429A CN201410286135.9A CN201410286135A CN104148429A CN 104148429 A CN104148429 A CN 104148429A CN 201410286135 A CN201410286135 A CN 201410286135A CN 104148429 A CN104148429 A CN 104148429A
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Abstract
The invention discloses a method for manufacturing a seamless airtight aluminum pipe optical unit of an optical fiber composite frame ground wire optical unit. The method comprises the following steps: aluminum rod blanks are sent into a cavity of a heated hot extrusion die, and the aluminum rod blanks create friction with a baffle block in the cavity; under the effect of friction, an aluminum rod is subjected to temperature rising and is plastically deformed, and then the deformed aluminum rod enters a coated mold cavity along an upward runner, is extruded from an annular gap between concave and convex dies, and is arranged on the outer layer of the optical unit penetrating through the dies in a sleeving manner to form the aluminum pipe optical unit; the aluminum pipe optical unit is cooled, pulled and cleaned, and finally, the processed aluminum pipe optical unit is wound to form a disc. According to the aluminum pipe optical unit manufactured by the method, the product performance is improved, welding is not needed, the surface of an aluminum pipe is seamless, and the aluminum pipe is high in airtightness and good in surface tensile strength and surface anti-seepage effect. The whole manufacture process of the aluminum pipe optical units and the manufacture process of overhead ground wires are environmentally friendly, no ultraviolet and infrared radiation generated by argon arc welding exists, and no ozone is produced. The manufacturing method has the advantages of cost saving, environmental protection and energy conservation.
Description
Technical field
The present invention relates to communication technical field, be specifically related to OPGW manufacturing technology field, particularly a kind of seamless airtight aluminum pipe light unit and manufacture method thereof.
Background technology
Aluminum pipe light unit has the advantage such as corrosion resistance, short-circuit current capability increase, uses the OPGW of this smooth unit, and performance brilliance has improved security and the economic performance of product widely, is more and more subject to user's approval.
And traditional aluminum pipe manufacturing process is the aluminium strip with certain width and thickness, adopt argon arc welding that aluminium strip welding is formed to aluminum pipe, but existing aluminum pipe manufacturing process exists shortcomings, mainly contain: 1, adopt argon arc welding technique, the damage certain to having of health, the current density of argon arc welding is large, the light ratio of sending is stronger, the ultraviolet radiation that its electric arc produces, be about 5～30 times of common welding rod arc welding, infrared ray is about 1～1.5 times of SMAW, and the ozone content producing in the time of welding is higher.So all will take necessary safeguard procedures in the time producing; 2, the weld seam of aluminium strip exists hidden danger of quality.3, manufacturing cost is higher: one will use argon gas as the gas in argon arc welding, and the cost of two aluminium strips is also higher; 4, production efficiency is lower, existing aluminum pipe machine speed of production be 7 meters per minute.5, the product scope of production is limited, and welding of aluminum plumber skill can only be produced 0.55～1.0mm thickness at present, and external diameter scope is the aluminum pipe of 5.0～8.0mm.
Summary of the invention
The problem of first aspect to be solved of the present invention is the technological deficiency existing for existing aluminum pipe manufacturing process, provides a kind of and enhances product performance, the aluminum pipe light unit method for manufacturing of environmental protection.
In order to solve above-mentioned technical problem, technical scheme provided by the invention is, a kind of seamless airtight aluminum pipe light method of manufacturing cells for the manufacture of linear light unit, optical fiber composite frame ground, comprise the steps: aluminium bar blank to send into the cavity of the hot-extrusion mold of heating, aluminium bar blank produces frictional force with link stopper in cavity, under frictional force effect, make aluminium bar heat up and plastic deformation occurs, along enter coated die cavity to upper runner, extrude by the annulus between male and female mold, be enclosed within the outer aluminum pipe light unit that forms, light unit through mould, then through supercooling, drawing and cleaning, last take up block is coiled into dish.
In a technical scheme of the present invention, in described manufacture method, the cavity of hot-extrusion mold is heated to 500-550 DEG C.
In a technical scheme of the present invention, in described manufacture method, in cavity, there is the protruding block corresponding with the groove of squeegee roller, stop the continuation campaign along the circumferential direction of aluminium bar blank.
In a technical scheme of the present invention, in described manufacture method, light unit is penetrated to mould by nib and move ahead with certain speed tractive, the aluminium blank of extruding from mould annulus is just enclosed within outside, light unit and forms aluminum pipe.
In a technical scheme of the present invention, in described manufacture method, aluminum pipe light unit carries out drawing by drawing die, and aluminum pipe external diameter and thickness are dwindled, and is close to light unit,
Second aspect present invention provides a kind of seamless airtight aluminum pipe light unit, it is prepared from by following method, cavity to the hot-extrusion mold heating is sent into aluminium bar blank, in cavity, there is plastic deformation along enter coated die cavity to upper runner in aluminium bar blank, finally extrude by the annulus between mould, be enclosed within the outer aluminum pipe light unit that forms, light unit through mould, obtain through supercooling, drawing and cleaning.
Third aspect present invention provides a kind of OPGW, and it includes aforesaid seamless airtight aluminum pipe light unit.
In a technical scheme of the present invention, described OPGW comprises individual layer aluminium tube type OPGW, individual layer PBT aluminium tube type OPGW, Double-layer aluminum tubular type OPGW.
Beneficial effect of the present invention is:
(1) performance of the aluminum pipe light unit product that preparation method of the present invention obtains is improved, and without welding, aluminum tube surfaces is seamless, and air-tightness is high, and surperficial tension and surface anti-seepage water-based are good.
(2) the present invention prepares aluminum pipe light unit process and prepares the environmental protection of aerial earth wire process, and the ultraviolet ray, the ultrared radiation that do not have argon arc welding to produce, do not have ozone generating.
(3) preparation method of the present invention provides cost savings, and compared with welding of aluminum plumber skill, approximately saves 2000 yuan of left and right for every kilometer.
(4) preparation method of the present invention has increased specification, the kind of product, and it is the light unit that 0.55～1.0mm, caliber are 5.0～8.0mm that original welding of aluminum plumber's skill can only be produced wall thickness.And worker artistic skill of the present invention is produced large-sized smooth unit, the wall thickness range that it is produced is that 0.55～2.0mm, caliber maximum can reach 12mm, can meet user's various demands.
(5) preparation method of the present invention designs and adopts complete machine linkage controlling program, has optimized complete machine interlock, improves the qualification rate of production.
(6) preparation method's faster production of the present invention, the speed of production of original welding of aluminum plumber's skill is 7 meters per minute, and the manufacturing process maximum economic rate of production (MERP) of the present invention can reach 50 meters per minute, has improved widely production efficiency.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of seamless airtight aluminum pipe production method.
Fig. 2 A is the common aluminum pipe light unit sectional view that preparation method of the present invention obtains; Fig. 2 B is PBT aluminum pipe light unit sectional view.
Fig. 3 A is the individual layer aluminium tube type OPGW that preparation method of the present invention obtains, and Fig. 3 B is individual layer PBT aluminium tube type OPGW, and Fig. 3 C is Double-layer aluminum tubular type OPGW.
Wherein, 1 is aluminium bar blank, and 20 is cavity, and 21 is squeegee roller, and 22 is punch, and 23 is die, and 24 is block, and 3 is light unit, and 4 is bosh, and 5 is drawing die, and 6 is cleaning station, and 7 is admission machine.
10 is aluminium lamination, and 11 is stainless steel light unit, and 12 is optical fiber, and 13 is PBT pipe, reinforcement centered by 14, and 15 is thermal insulation layer, and 100 is aluminum pipe light unit, and 200 is outer layer metal line.
Detailed description of the invention
Below will be described in detail the present invention by specific embodiment and accompanying drawing.It needs to be noted, these descriptions are only exemplary descriptions, do not form limitation of the scope of the invention.According to the discussion of this description, many variations of the present invention, change have been all obviously concerning one of ordinary skill in the art.
The hot-extrusion mold that the present invention uses is purchased from Dalian Kang Feng scientific & technical corporation.Certainly, can also be other hot-extrusion mold that can implement method of the present invention.
Embodiment 1
The seamless airtight aluminum pipe production method for the manufacture of linear light unit, optical fiber composite frame ground of the present invention as shown in Figure 1, comprises the steps:
(1) cavity heating, is first heated to cavity 500 DEG C of left and right,
(2) send into aluminium bar, 2 aluminium bars are sent into squeegee roller, on squeegee roller outer round surface, along the circumferential direction opened twice groove, can feed separately an aluminium bar blank.Squeegee roller rotates in the direction of the clock, and blank is sent into cavity,
(3) extrude aluminum pipe, in the time that blank arrives accent, in cavity, have two protruding blocks corresponding with squeegee roller groove, stop blank continuation campaign along the circumferential direction.So, between the cell wall of the squeegee roller rotating and the aluminium bar blank that is obstructed, produce friction, under the effect of this frictional force, blank temperature raises, and produces distortion, enter cavity, cavity internal pressure is raise, in the time reaching the required temperature and pressure of aluminium material plastic deformation, just force blank to enter coated die cavity along runner upwards, then extrude formation aluminum pipe by the annulus between punch and die
(4) penetrate light unit, on the other hand, the light unit being wrapped by is penetrated to mould by nib, the aluminum pipe of extruding is just enclosed within the outside of light unit,
(5) cooling, the light unit of coated aluminum pipe is undertaken cooling by bosh, make aluminium material fully be set in the surface of light unit,
(6) drawing, pulls out the light unit of coated aluminum pipe by drawing die, and make the external diameter of aluminum pipe and thickness be contracted to product requirement scope, and be close to light unit,
(7) clean and dry up, the aluminum pipe light unit after drawing is cleaned and dried up by cleaning station, guarantee that surface is without the globule,
(8) take-up, is wound into dish by admission machine by aluminum pipe light unit.
More than show and described general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.
Claims (8)
1. a seamless airtight aluminum pipe light method of manufacturing cells, comprise the steps: aluminium bar blank to send into the cavity of the hot-extrusion mold of heating, aluminium bar blank produces frictional force with link stopper in cavity, under frictional force effect, aluminium bar is heated up and plastic deformation occurs, along enter coated die cavity to upper runner, extrude by the annulus between male and female mold, be enclosed within the outer aluminum pipe light unit that forms, light unit through mould, then through supercooling, drawing and cleaning, last take up block is coiled into dish.
2. method according to claim 1, is characterized in that, the cavity of described hot-extrusion mold is heated to 500-550 DEG C.
3. method according to claim 1, is characterized in that, has the protruding block corresponding with the groove of squeegee roller in described cavity, stops the continuation campaign along the circumferential direction of aluminium bar blank.
4. method according to claim 1, is characterized in that, light unit is penetrated to mould by nib and move ahead with certain speed tractive, and the aluminium blank of extruding from mould annulus is just enclosed within outside, light unit and forms aluminum pipe.
5. method according to claim 1, is characterized in that, aluminum pipe light unit carries out drawing by drawing die, and aluminum pipe external diameter and thickness are dwindled, and is close to light unit,
6. a seamless airtight aluminum pipe light unit, it is characterized in that, be prepared from by following method, cavity to the hot-extrusion mold heating is sent into aluminium bar blank, in cavity, there is plastic deformation along enter coated die cavity to upper runner in aluminium bar blank, finally extrude by the annulus between mould, be enclosed within the outer aluminum pipe light unit that forms, light unit through mould, obtain through supercooling, drawing and cleaning.
7. an OPGW, the seamless airtight aluminum pipe light unit that its method that includes seamless airtight aluminum pipe light unit claimed in claim 6 or claim 1 prepares.
8. method according to claim 7, is characterized in that, described OPGW comprises individual layer aluminium tube type OPGW, individual layer PBT aluminium tube type OPGW, Double-layer aluminum tubular type OPGW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286135.9A CN104148429A (en) | 2014-06-24 | 2014-06-24 | Seamless airtight aluminum pipe optical unit and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286135.9A CN104148429A (en) | 2014-06-24 | 2014-06-24 | Seamless airtight aluminum pipe optical unit and manufacturing method thereof |
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| CN104148429A true CN104148429A (en) | 2014-11-19 |
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| CN201410286135.9A Pending CN104148429A (en) | 2014-06-24 | 2014-06-24 | Seamless airtight aluminum pipe optical unit and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670257A (en) * | 2017-01-09 | 2017-05-17 | 常州齐丰连续挤压设备有限公司 | Production equipment for zinc-aluminum composite wires and production method thereof |
| CN106680957A (en) * | 2017-03-21 | 2017-05-17 | 山东太平洋光纤光缆有限公司 | Low-loss aluminum tube type OPGW power optical cable and manufacturing method |
| CN109013730A (en) * | 2018-09-11 | 2018-12-18 | 浙江鸿耀高新铜材有限公司 | A kind of specially shaped copper tube continuous extrusion apparatus |
| CN113436810A (en) * | 2021-06-29 | 2021-09-24 | 绍兴市世航电子线缆有限公司 | Production process of CATV540 seamless aluminum pipe coaxial cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56132303A (en) * | 1980-03-21 | 1981-10-16 | Sumitomo Electric Ind Ltd | Production of optical fiber cable |
| JPS57191605A (en) * | 1981-05-22 | 1982-11-25 | Sumitomo Electric Ind Ltd | Optical fiber cable with aluminum sheath and its production |
| JPS58138514A (en) * | 1982-02-10 | 1983-08-17 | Hitachi Cable Ltd | Producing device of composite wire rod |
| JPS59223114A (en) * | 1983-06-03 | 1984-12-14 | Furukawa Electric Co Ltd:The | Manufacture of aluminum pipe containing plastic covered wire body |
| US5197319A (en) * | 1991-12-05 | 1993-03-30 | Brazeway, Inc. | Extrusion apparatus for sheathing a temperature sensitive core material |
-
2014
- 2014-06-24 CN CN201410286135.9A patent/CN104148429A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56132303A (en) * | 1980-03-21 | 1981-10-16 | Sumitomo Electric Ind Ltd | Production of optical fiber cable |
| JPS57191605A (en) * | 1981-05-22 | 1982-11-25 | Sumitomo Electric Ind Ltd | Optical fiber cable with aluminum sheath and its production |
| JPS58138514A (en) * | 1982-02-10 | 1983-08-17 | Hitachi Cable Ltd | Producing device of composite wire rod |
| JPS59223114A (en) * | 1983-06-03 | 1984-12-14 | Furukawa Electric Co Ltd:The | Manufacture of aluminum pipe containing plastic covered wire body |
| US5197319A (en) * | 1991-12-05 | 1993-03-30 | Brazeway, Inc. | Extrusion apparatus for sheathing a temperature sensitive core material |
Non-Patent Citations (1)
| Title |
|---|
| 钟卫佳等: "《铜加工技术实用手册》", 31 January 2007, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670257A (en) * | 2017-01-09 | 2017-05-17 | 常州齐丰连续挤压设备有限公司 | Production equipment for zinc-aluminum composite wires and production method thereof |
| CN106680957A (en) * | 2017-03-21 | 2017-05-17 | 山东太平洋光纤光缆有限公司 | Low-loss aluminum tube type OPGW power optical cable and manufacturing method |
| CN109013730A (en) * | 2018-09-11 | 2018-12-18 | 浙江鸿耀高新铜材有限公司 | A kind of specially shaped copper tube continuous extrusion apparatus |
| CN113436810A (en) * | 2021-06-29 | 2021-09-24 | 绍兴市世航电子线缆有限公司 | Production process of CATV540 seamless aluminum pipe coaxial cable |
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Application publication date: 20141119 |