CN108144907B - OVD plug cleaning equipment - Google Patents
OVD plug cleaning equipment Download PDFInfo
- Publication number
- CN108144907B CN108144907B CN201711483067.5A CN201711483067A CN108144907B CN 108144907 B CN108144907 B CN 108144907B CN 201711483067 A CN201711483067 A CN 201711483067A CN 108144907 B CN108144907 B CN 108144907B
- Authority
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- China
- Prior art keywords
- cleaning
- core rod
- rod
- mandrel
- ovd
- Prior art date
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract description 42
- 239000004519 grease Substances 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000533950 Leucojum Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000006257 total synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention provides OVD core rod cleaning equipment, which comprises a rod feeding unit, a cleaning unit and an exhaust unit arranged between the rod feeding unit and the cleaning unit; the rod feeding unit comprises a rod feeding bracket, a ball screw and a driving mechanism which is arranged on the rod feeding bracket and used for driving the ball screw to rotate; the cleaning unit comprises a cleaning bracket and core rod cleaning positions which are arranged on the cleaning bracket and correspond to the core rod fixing positions, and a cleaning pipe is fixed on each core rod cleaning position through a mounting assembly; the air draft unit comprises an air draft cover which is arranged at a position between the corresponding core rod cleaning position and the core rod fixing position, and the air draft cover is connected with a fan through a pipeline. The invention can quickly and effectively remove PK grease remained on the surface of the core rod, effectively reduce the contact area of butanone and air, reduce volatilization of butanone, and simultaneously increase an explosion-proof air draft component, so that the butanone which is partially volatilized can be quickly and timely pumped outdoors, and the harm of butanone to human bodies is reduced.
Description
Technical Field
The invention belongs to the technical field of optical fiber research and development and manufacturing, and particularly relates to an OVD core rod cleaning device.
Background
The manufacturing of the optical fiber preform can be realized through a total synthesis process method, namely a VAD+OVD combined production process, wherein the VAD process mainly produces a core rod, an outer cladding layer is deposited on the surface of the core rod through the OVD process, so that the optical fiber preform is produced efficiently, but when the core rod is subjected to PK optical parameter testing, some PK test grease remains on the surface, if the grease is not cleaned cleanly, a large number of snowflake appearance defects are generated at the interface between a core layer and a cladding layer of the optical fiber preform after the OVD deposition and sintering, the quality of a finished product preform is seriously influenced, the grease can be completely cleaned cleanly through a butanone solvent, but because the butanone solvent is extremely volatile and toxic, the steam and the air can form an explosive mixture, and based on the above reasons, the PK grease on the surface of the core rod is effectively cleaned by using the butanone solvent, and adverse effects caused by the massive volatilization of the butanone solvent are particularly important and urgent.
Disclosure of Invention
In view of the above, the present invention is directed to overcoming the defects in the prior art and providing an OVD mandrel cleaning apparatus.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
an OVD mandrel cleaning device comprises a mandrel feeding unit, a cleaning unit and an exhaust unit arranged between the mandrel feeding unit and the cleaning unit;
the rod feeding unit comprises a rod feeding bracket, a ball screw and a driving mechanism which is arranged on the rod feeding bracket and used for driving the ball screw to rotate, wherein a nut seat is arranged at the upper end of the rod feeding bracket in a sliding manner, and a nut matched with the ball screw is arranged at the lower end of the nut seat; the upper end of the nut seat is provided with a mandrel fixing assembly corresponding to each mandrel fixing position;
the cleaning unit comprises a cleaning bracket and core rod cleaning positions which are arranged on the cleaning bracket and correspond to the core rod fixing positions, and a cleaning pipe is fixed on each core rod cleaning position through a mounting assembly;
the air draft unit comprises an air draft cover which is arranged at a position between the corresponding core rod cleaning position and the core rod fixing position, and the air draft cover is connected with a fan through a pipeline.
Further, the fan is an explosion-proof fan, and is connected with the exhaust hood through a spiral air pipe.
Further, a supporting plate is arranged on the rod feeding support, a linear guide rail is arranged on the supporting plate, and the nut seat is slidably arranged on the linear guide rail through a sliding seat.
Further, the supporting plate is obliquely arranged, and the lower end of the supporting plate faces the cleaning bracket; the cleaning pipes fixed on the cleaning support have the same inclination as the supporting plate.
Further, a control cabinet for controlling the driving mechanism and the fan in the air exhausting component to work is arranged on the rod feeding support.
Further, the upper end of the rod feeding support is provided with an in-place sensing assembly corresponding to the nut seat.
Further, the in-place sensing assembly comprises a limit switch.
Further, the driving mechanism comprises a servo motor, and an output shaft of the servo motor is connected with the upper end of the ball screw through a coupler.
Further, a touch screen for input control is connected to the control cabinet.
Compared with the prior art, the invention has the following advantages:
the invention can quickly and effectively remove PK grease remained on the surface of the core rod, effectively reduce the contact area of butanone and air, reduce volatilization of butanone, and simultaneously increase an explosion-proof air draft component, so that the butanone which is partially volatilized can be quickly and timely pumped outdoors, and the harm of butanone to human bodies is reduced. Meanwhile, the rod feeding unit and the cleaning unit are both in slope type design, and are in split type structures, so that the operation of adjusting the concentricity between the core rod and the high-strength PP pipe is easy to realize, and the operation is simple and easy to implement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute an undue limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Reference numerals illustrate:
1-a rod feeding unit; 2-a cleaning unit; 3-air draft unit; 4-a rod feeding bracket; 5-ball screw; 6-a driving mechanism; 7-a nut seat; 8-V-shaped supporting blocks; 9-a mandrel locking ring; 10-cleaning the bracket; 11-cleaning a pipe; 12-an exhaust hood; 13-a fan; 14-spiral duct; 15-supporting plates; 16-linear guide rail; 17-a slide; 18-a touch screen; 19-a coupling; 20-fixing plates; 21-positioning plates; 22-ball valve; 23-an electric control cabinet.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
An OVD mandrel cleaning device, as shown in figures 1 to 3, comprises a rod feeding unit 1, a cleaning unit 2 and an exhaust unit 3 arranged between the rod feeding unit and the cleaning unit;
the rod feeding unit 1 comprises a rod feeding bracket 4, a ball screw 5 and a driving mechanism 6 which is arranged on the rod feeding bracket and used for driving the ball screw to rotate, wherein a nut seat 7 is arranged at the upper end of the rod feeding bracket 4 in a sliding manner, and a nut matched with the ball screw is arranged at the lower end of the nut seat 7; the upper end of the nut seat is provided with a mandrel fixing assembly corresponding to each mandrel fixing position; specifically, the core rod fixing assembly comprises a V-shaped supporting block 8 for supporting the core rod and a core rod locking ring 9 arranged at the upper end of the V-shaped supporting block, when the core rod is fixed, the core rod locking ring (sleeve) is arranged at the upper end of the core rod, when the core rod is placed on the V-shaped supporting block, the lower surface of the locking ring is just stuck to the upper surface of the V-shaped supporting block, the functions of positioning and fixing the core rod are achieved, and the core rod does not slide downwards.
The cleaning unit 2 comprises a cleaning bracket 10 and core rod cleaning positions which are arranged on the cleaning bracket and correspond to core rod fixing positions, and a cleaning pipe 11 is fixed on each core rod cleaning position through a mounting assembly;
the air draft unit 3 comprises an air draft cover 12 which is arranged at a position between the corresponding core rod cleaning position and the core rod fixing position, and the air draft cover is connected with a fan 13 through a pipeline. The rod feeding unit and the cleaning unit are both in slope type design, and are in split type structure, and are respectively and independently designed, so that concentricity between the core rod and the high-strength PP pipe is convenient to adjust, and the OVD core rod can be effectively ensured to smoothly enter the high-strength PP pipe.
The cleaning tube adopts a high-strength PP tube, and a non-metal high-strength PP tube Cheng Fangding ketone solvent is selected, so that disqualification of optical fiber attenuation caused by metal ions released into the core rod is avoided, and in addition, a ball valve 22 can be arranged at the bottom of the high-strength PP tube, and the cleaning tube is mainly convenient for daily cleaning and replacing the polluted butanone solvent.
The fan is an explosion-proof fan, and is connected with the exhaust hood 12 through a spiral air pipe 14 (namely, a pipeline for connecting the fan and the exhaust hood adopts the spiral air pipe). After the core rod is cleaned, when the driving mechanism drives the ball screw to lift the rod, residual butanone solvent on the surface of the core rod can be pumped away through the exhaust hood, so that volatilization of the butanone solvent in a workshop is avoided, and damage to a human body is reduced.
The rod feeding bracket 4 is provided with a supporting plate 15, the supporting plate 15 is provided with a linear guide rail 16, and the nut seat 7 is slidably arranged on the linear guide rail 16 through a sliding seat 17.
The support plate 15 is inclined with its lower end (i.e., lower end) facing the washing rack; the cleaning tube 11 fixed to the cleaning support has the same inclination as the supporting plate.
The rod feeding bracket 4 is provided with a control cabinet 23 for controlling the operation of the fan in the driving mechanism and the air exhausting component. To facilitate input control, a touch screen 18 for input control may be connected to the control cabinet. Corresponding electric elements are installed in the electric control cabinet, the working states of the driving mechanism and the fan are controlled by utilizing the input parameters of the touch screen, and specifically, a controller (PLC) can be arranged in the electric control cabinet to control the rotating speed of the driving mechanism (servo motor) and the start and stop of the fan. Because the electric elements are utilized to control the motor and the fan to work belongs to the category which can be realized by the person skilled in the art, the description is omitted here.
The upper end of the rod feeding bracket 4 is provided with an in-place sensing component corresponding to the nut seat. Specifically, the in-place sensing assembly includes a limit switch.
The driving mechanism comprises a servo motor, and an output shaft of the servo motor is connected with the upper end of the ball screw through a coupler 19.
The process for cleaning the OVD core rod by using the device comprises the following steps: putting an OVD core rod to be cleaned on a V-shaped supporting block of cleaning equipment by production staff, penetrating a locking ring onto the OVD core rod, and simultaneously locking an inner hexagonal bolt, wherein at the moment, the locking ring is attached to the V-shaped supporting block; according to the actual cleaning process requirement, the speed of a rod is set on a touch screen, the cleaning time is shortened, a starting button is pressed, at the moment, a private clothes motor drives a ball screw to rotate, an OVD mandrel moves downwards along with a V-shaped supporting block, the OVD mandrel slowly enters a high-strength PP pipe, when the OVD mandrel moves to a lower limit, the private clothes motor stops working, at the moment, the OVD mandrel moves to a cleaning position to start the cleaning process, after the cleaning time is finished, an audible and visual alarm of cleaning equipment is started, production staff is prompted, the cleaning process of the OVD mandrel is finished, at the moment, the rod lifting speed is set to be slower, so that an exhaust system can timely exhaust residual PK test grease on the surface of the OVD mandrel, then the rod lifting button is pressed, the exhaust system is started, the private clothes motor is started again, the ball screw is driven to move, the cleaned OVD mandrel is slowly lifted until the private clothes motor stops working until the private clothes move to the upper limit, at the moment, the surface of the OVD mandrel is cleaned by using a locking cloth, and a ring is released, so that the process flow of the OVD cleaning is finished once.
In the invention, the rod feeding bracket 4 is formed by baking varnish after welding square pipes, the supporting plate 15 is mainly used for installing parts such as a ball screw, a linear guide rail, a servo motor and the like, a nut of the ball screw 5 is fixed on the nut seat 7, a V-shaped supporting block is arranged on the nut seat, and the lower part of the supporting plate is also provided with the V-shaped supporting block which is mainly used for supporting a core rod and positioning and guiding the core rod when the core rod enters a high-strength PP pipe for cleaning, and in order to avoid scratching the surface of the core rod, the V-shaped supporting block is made of Teflon materials.
In order to prevent the core rod from sliding downwards when placed on the V-shaped supporting block, a core rod locking ring is added to the top of the core rod, and the locking ring is just attached to one surface of the V-shaped supporting block, so that the core rod is prevented from sliding downwards; the cleaning support is formed by baking varnish after welding square pipes, a nonmetallic high-strength PP pipe Cheng Fangding ketone solvent is selected, unqualified optical fiber attenuation caused by metal ions dissociating into a core rod is avoided, and a ball valve is arranged at the bottom of the high-strength PP pipe, so that the cleaning support is mainly convenient for daily cleaning and replacing the polluted butanone solvent.
The mounting assembly includes a fixing plate 20 for fixing the cleaning tube and a positioning plate 21 for positioning the cleaning tube, the positioning plate is provided with a slot at the upper end, the cleaning tube is clamped in the slot, and the fixing plate is provided with a slot at the lower part, so that the cleaning tube is pressed in the slot.
The locating plate mainly guarantees the accuracy of high strength PP pipe position, and the fixed plate is mainly used for high strength PP pipe locking fixed, and the exhaust hood is in the same place through spiral duct and peripheral explosion-proof fan connection, in time takes out volatilized butanone outdoors, and all electrical components are fixed in the switch board to design the cleaning time of plug in the control procedure, advance excellent speed and carry excellent speed, these technological parameter's settlement is all realized on the touch-sensitive screen, increases audible and visual alarm simultaneously, reminds the production staff in time to carry excellent.
The invention can quickly and effectively remove PK grease remained on the surface of the core rod, effectively reduce the contact area of butanone and air, reduce volatilization of butanone, and simultaneously increase an explosion-proof air draft component, so that the butanone which is partially volatilized can be quickly and timely pumped outdoors, and the harm of butanone to human bodies is reduced. Meanwhile, the rod feeding unit and the cleaning unit are both in slope type design, and are in split type structures, so that the operation of adjusting the concentricity between the core rod and the high-strength PP pipe is easy to realize, and the operation is simple and easy to implement.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An OVD mandrel cleaning apparatus, characterized in that: comprises a rod feeding unit, a cleaning unit and an exhaust unit arranged between the rod feeding unit and the cleaning unit;
the rod feeding unit comprises a rod feeding bracket, a ball screw and a driving mechanism which is arranged on the rod feeding bracket and used for driving the ball screw to rotate, wherein a nut seat is arranged at the upper end of the rod feeding bracket in a sliding manner, and a nut matched with the ball screw is arranged at the lower end of the nut seat; the mandrel fixing assembly comprises a V-shaped supporting block used for supporting the mandrel and a mandrel locking ring positioned at the upper end of the V-shaped supporting block, when the mandrel is fixed, the mandrel locking ring is arranged at the upper end of the mandrel, and when the mandrel is placed on the V-shaped supporting block, the lower surface of the locking ring is attached to the upper surface of the V-shaped supporting block so as to realize the functions of positioning and fixing the mandrel;
the cleaning unit comprises a cleaning bracket and core rod cleaning positions which are arranged on the cleaning bracket and correspond to the core rod fixing positions, and a cleaning pipe is fixed on each core rod cleaning position through a mounting assembly; the nut seat is slidably arranged on the linear guide rail through the sliding seat; the support plate is obliquely arranged, and the lower end of the support plate faces the cleaning support; the cleaning pipe fixed on the cleaning support has the same inclination as the supporting plate;
the air draft unit comprises an air draft cover which is arranged at a position between the corresponding core rod cleaning position and the core rod fixing position, and the air draft cover is connected with a fan through a pipeline.
2. An OVD core rod cleaning apparatus according to claim 1, characterized in that: the fan is an explosion-proof fan, and is connected with the exhaust hood through a spiral air pipe.
3. An OVD core rod cleaning apparatus according to claim 1, characterized in that: and a control cabinet for controlling the operation of the fan in the driving mechanism and the air exhausting component is arranged on the rod feeding support.
4. An OVD core rod cleaning apparatus according to claim 3, characterized in that: and a touch screen for input control is connected to the control cabinet.
5. An OVD core rod cleaning apparatus according to claim 1, characterized in that: the upper end of the rod feeding bracket is provided with an in-place sensing assembly corresponding to the nut seat.
6. An OVD core rod cleaning apparatus according to claim 5, characterized in that: the in-place sensing assembly comprises a limit switch.
7. An OVD core rod cleaning apparatus according to claim 1, characterized in that: the driving mechanism comprises a servo motor, and an output shaft of the servo motor is connected with the upper end of the ball screw through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483067.5A CN108144907B (en) | 2017-12-29 | 2017-12-29 | OVD plug cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483067.5A CN108144907B (en) | 2017-12-29 | 2017-12-29 | OVD plug cleaning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108144907A CN108144907A (en) | 2018-06-12 |
| CN108144907B true CN108144907B (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711483067.5A Active CN108144907B (en) | 2017-12-29 | 2017-12-29 | OVD plug cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108144907B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174535A (en) * | 2019-12-30 | 2020-05-19 | 江苏通鼎光棒有限公司 | Optical fiber manufacturing sleeve and drying device thereof |
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| 搅拌棒吸附萃取研究进展;禹春鹤;胡斌;江祖成;;分析化学(S1);全文 * |
| 禹春鹤 ; 胡斌 ; 江祖成 ; .搅拌棒吸附萃取研究进展.分析化学.2006,(S1),全文. * |
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| CN108144907A (en) | 2018-06-12 |
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