Acetic acid feeding mechanism for wiping PMO end face

By designing a feeding mechanism consisting of a sealed acetic acid storage tank, a conical ceramic nozzle, and a vacuum pump, the problems of uneven liquid addition, rapid evaporation, and contamination risk during PMO end-face wiping were solved, achieving precise control of acetic acid and clean wiping.

CN224087412UActive Publication Date: 2026-04-07WUHAN YUCHENFEI PHOTOELECTRIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In the existing technology, there are problems such as uneven liquid addition, rapid evaporation, pollution risk and particulate contamination during the PMO end face wiping process. In particular, it is difficult to control the use of trace amounts of acetic acid when adding it manually or using a simple syringe.

Method used

A feeding mechanism was designed, comprising a sealed acetic acid storage tank, a conical ceramic nozzle, a micro metering pump, a flow sensor, and a vacuum pump. The mechanism suppresses volatilization through a nitrogen injection pipe, reduces residue through the conical ceramic nozzle, controls the flow rate through the micro metering pump, and recovers excess acetic acid and vapor through the vacuum pump.

Benefits of technology

This method achieves uniform addition of acetic acid, reduces the risk of volatilization and contamination, ensures cleanliness, avoids particulate contamination, and improves the accuracy and safety of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of precision optical manufacturing, and provides an acetic acid feeding mechanism for wiping a PMO end face, the acetic acid feeding mechanism comprises a workbench, the rear end of the workbench is fixedly connected with a back plate, the front side of the upper end of the back plate is fixedly connected with a top plate, and the bottom of the top plate is provided with a feeding wiping assembly; the feeding wiping assembly comprises an acetic acid sealed storage tank installed on the top of the top plate. The middle of the top of the acetic acid sealed storage tank is communicated with a connecting pipe, one side of the top of the acetic acid sealed storage tank is communicated with a nitrogen injection pipe, the acetic acid sealed storage tank is arranged, the connecting pipe and the nitrogen injection pipe are arranged at the top, acetic acid volatilization is conveniently inhibited, sealing is facilitated, residues are conveniently reduced through a conical ceramic nozzle, and the production efficiency is improved. By arranging a micro metering pump, a flow sensor, an electromagnetic valve, a first one-way valve and a second one-way valve, quantity control is facilitated, and by arranging a first vacuum suction pump, redundant acetic acid and steam can be conveniently recycled.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the precise optical manufacturing technical field especially relates to a kind of acetic acid feeding mechanism for PMO end face wiping. BACKGROUND

[0002] In the field of precise optical manufacturing, the end face cleaning of PMO (Precision Optical Components) is crucial, especially for devices such as fiber connectors, laser crystals and optical lenses, as contamination on their end faces can directly affect optical performance (such as transmittance, reflectivity, laser damage threshold, etc.). Acetic acid (acetic acid) is a commonly used volatile organic solvent, due to its good solubility for organic contaminants (such as oil, fingerprints, resin residues), and also has the characteristics of easy evaporation, and is widely used in the wiping process of PMO end face.

[0003] The prior art also has the following shortcomings:

[0004] The prior art uses manual drop or simple syringe liquid addition, which has the problems of uneven liquid addition, fast evaporation, contamination risk, and difficulty in controlling the trace amount of acetic acid by manual operation, and open liquid addition may introduce particle or fiber contamination. INVENTION CONTENTS

[0005] The utility model provides a kind of acetic acid feeding mechanism for PMO end face wiping, to solve the prior art uses manual drop or simple syringe liquid addition, there is the problem of uneven liquid addition, fast evaporation, contamination risk, and difficulty in controlling the trace amount of acetic acid by manual operation, and open liquid addition may introduce particle or fiber contamination.

[0006] The utility model is realized as follows: an acetic acid feeding mechanism for PMO end face wiping includes: a workbench, the rear end of the workbench is fixedly connected with a backboard, the upper end of the backboard is fixedly connected with a top plate on the front side, and the bottom of the top plate is provided with a feeding and wiping assembly; the feeding and wiping assembly includes an acetic acid sealed storage tank mounted on the top of the top plate; a connecting pipe is communicated with the top middle of the acetic acid sealed storage tank, a nitrogen injection pipe is communicated with one side of the top of the acetic acid sealed storage tank, a pressure sensor is arranged inside the acetic acid sealed storage tank, and a pressure relief device is mounted on the top of the acetic acid sealed storage tank.

[0007] Preferably, the feeding and wiping assembly further includes two first L-shaped frames that are respectively detachably fixedly connected with the bottom of the top plate on both sides; a same first lead screw sliding table is mounted between the two sides of the two first L-shaped frames; a same second L-shaped frame is detachably fixedly connected between the lower ends of the two sliding blocks of the two first lead screw sliding tables, and a same second lead screw sliding table is mounted between the lower ends of the two sides of the second L-shaped frame.

[0008] Preferably, the feeding and wiping assembly further comprises two electric telescopic rods fixedly connected to the bottom end of the sliding block of the second lead screw.

[0009] Preferably, the feeding and wiping assembly further comprises a connecting plate detachably fixedly connected to the telescopic ends of the two electric telescopic rods, and a conical ceramic nozzle fixedly connected to the bottom of the connecting plate.

[0010] Preferably, the feeding and wiping assembly further comprises a trapezoidal recovery cover sleeved outside the conical ceramic nozzle, an extension plate fixedly connected to one side of the connecting plate, a collection box fixedly connected to the upper end of the extension plate, and a first vacuum suction pump communicated with the top of the collection box.

[0011] Preferably, the feeding and wiping assembly further comprises a recovery pipe communicated with one side of the collection box, and the extension end of the recovery pipe is communicated with the inside top end of the connecting plate and the trapezoidal recovery cover, and a first check valve is installed on the recovery pipe.

[0012] Preferably, the feeding and wiping assembly further comprises a micro-dosing pump installed on the bottom side of the top plate, a stretchable pipe communicated with the material suction end of the micro-dosing pump and the bottom of the acetic acid sealed storage tank, a flow sensor installed on the stretchable pipe close to the micro-dosing pump, and an electromagnetic valve and a second check valve installed on one side of the stretchable pipe close to the conical ceramic nozzle.

[0013] Preferably, the bottom of the workbench is fixedly connected with a fixing frame, the upper end of the fixing frame is installed with a second vacuum suction pump, the top of the workbench is fixedly connected with a placing plate, the inside of the placing plate is hollow, the top of the placing plate is provided with an adsorption port in the middle, and the air suction end of the second vacuum suction pump is communicated with the inside of the workbench.

[0014] Compared with the prior art, the embodiment of the present application has the following beneficial effects:

[0015] By arranging the acetic acid sealed storage tank, the connecting pipe and the nitrogen injection pipe at the top, the volatilization of acetic acid is inhibited, and the sealing is facilitated; by arranging the conical ceramic nozzle, the residue is reduced; by arranging the micro-dosing pump, the flow sensor, the electromagnetic valve, the first check valve and the second check valve, the amount is controlled; and by arranging the first vacuum suction pump, the excess acetic acid and steam are recovered. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2This is a front view structural diagram of the present invention;

[0018] Figure 3 This is a side view structural diagram of the present invention;

[0019] Figure 4 This is a utility model Figure 1 A magnified structural diagram of section A;

[0020] Figure 5 This is a utility model Figure 1 Enlarged structural diagram at point B;

[0021] In the diagram: 1. Workbench; 2. Placement plate; 3. Fixing frame; 4. Second vacuum pump; 5. Back plate; 6. Top plate; 7. Acetic acid sealed storage tank; 8. Connecting pipe; 9. Nitrogen injection pipe; 10. First C-shaped frame; 11. First lead screw slide; 12. Second C-shaped frame; 13. Second lead screw slide; 14. Electric telescopic rod; 15. Connecting plate; 16. Conical ceramic nozzle; 17. Trapezoidal recovery hood; 18. Extension plate; 19. Collection box; 20. First vacuum pump; 21. Recovery pipe; 22. First one-way valve; 23. Micro metering pump; 24. Stretchable pipe; 25. Second one-way valve. Detailed Implementation

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0023] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] This utility model embodiment provides an acetic acid feeding mechanism for wiping the end face of a PMO, such as... Figures 1-5As shown, it includes: a workbench 1, a back plate 5 fixedly connected to the rear end of the workbench 1, a top plate 6 fixedly connected to the front side of the upper end of the back plate 5, and a feeding and wiping assembly provided at the bottom of the top plate 6; the feeding and wiping assembly includes an acetic acid sealed storage tank 7 installed on the top of the top plate 6; a connecting pipe 8 is connected to the middle of the top of the acetic acid sealed storage tank 7, a nitrogen injection pipe 9 is connected to one side of the top of the acetic acid sealed storage tank 7, a pressure sensor is installed inside the acetic acid sealed storage tank 7, and a pressure relief device is installed on the top of the acetic acid sealed storage tank 7.

[0025] It should be noted that existing technologies, which use manual dripping or simple syringes for liquid addition, suffer from uneven liquid addition, rapid evaporation, and the risk of contamination. Manual operation makes it difficult to control trace amounts of acetic acid, and open-type liquid addition may introduce particulate or fiber contamination. This solution addresses these issues by setting up a sealed acetic acid storage tank 7 with a connecting pipe 8 and a nitrogen injection pipe 9 at the top to suppress acetic acid evaporation and facilitate sealing. The use of a conical ceramic nozzle 16 helps reduce residue. The inclusion of a micro metering pump 23, a flow sensor, a solenoid valve, a first check valve 22, and a second check valve 25 facilitates quantity control. The installation of a first vacuum pump 20 facilitates the recovery of excess acetic acid and vapor.

[0026] In a further preferred embodiment of this utility model, such as Figures 1-4 As shown, the feeding and wiping assembly also includes a first convex frame 10 that is detachably and fixedly connected to both sides of the bottom of the top plate 6; a first screw slide 11 is installed between the two sides of the two first convex frames 10; a second convex frame 12 is detachably and fixedly connected between the lower ends of the two sliders of the two first screw slides 11, and a second screw slide 13 is installed between the two sides of the lower end of the second convex frame 12.

[0027] In this embodiment, the slide is designed for easy movement, which facilitates wiping and cleaning. A limiting rod is provided on the lead screw slide to guide the movement of the slider and make its movement more stable. The specific structure of the lead screw slide is existing technology, and this technical solution will not be described in detail here.

[0028] In a further preferred embodiment of this utility model, such as Figures 1-5 As shown, the feeding and wiping assembly also includes an electric telescopic rod 14 fixedly connected to both sides of the lower end of the slider of the second lead screw slide 13.

[0029] In this embodiment, for easy position adjustment, the two electric telescopic rods 14 are controlled by the same controller to run synchronously at the same speed.

[0030] In a further preferred embodiment of this utility model, such as Figures 1-5 As shown, the feeding and wiping assembly also includes two electric telescopic rods 14 whose telescopic ends are detachably and fixedly connected to the same connecting plate 15, and a conical ceramic nozzle 16 is fixedly connected to the bottom of the connecting plate 15.

[0031] In this embodiment, the use of a conical ceramic nozzle 16 helps to reduce acetic acid residue.

[0032] In a further preferred embodiment of this utility model, such as Figures 1-5 As shown, the feeding and wiping assembly also includes a conical ceramic nozzle 16 with a trapezoidal recovery cover 17 fitted on the outside, an extension plate 18 fixedly connected to one side of the connecting plate 15, a collection box 19 fixedly connected to the upper end of the extension plate 18, and a first vacuum pump 20 connected to the top of the collection box 19.

[0033] In this embodiment, by providing a first vacuum pump 20, it is convenient to recover excess acetic acid and acetic acid vapor.

[0034] In a further preferred embodiment of this utility model, such as Figures 1-5 As shown, the feeding and wiping assembly also includes a collection box 19 with a recycling pipe 21 connected to one side. The extended end of the recycling pipe 21 passes through the connecting plate 15 and is connected to the top of the trapezoidal recycling cover 17. A first one-way valve 22 is installed on the recycling pipe 21.

[0035] In this embodiment, unidirectional flow is facilitated to avoid backflow.

[0036] In a further preferred embodiment of this utility model, such as Figures 1-5 As shown, the feeding and wiping assembly also includes a micro metering pump 23 installed on one side of the bottom of the top plate 6. The suction end of the micro metering pump 23 is connected to the bottom of the acetic acid sealed storage tank 7. The discharge end of the micro metering pump 23 is connected to a stretchable tube 24. A flow sensor is installed near the micro metering pump 23 on the stretchable tube 24. The extended end of the stretchable tube 24 passes through the connecting plate 15 and is connected to the top of the conical ceramic nozzle 16. A solenoid valve and a second check valve 25 are installed on the side of the stretchable tube 24 near the conical ceramic nozzle 16.

[0037] In this embodiment, it is convenient to control the flow rate.

[0038] In a further preferred embodiment of this utility model, such as Figures 1-3 As shown, a fixed frame 3 is fixedly connected to the bottom of the workbench 1, and a second vacuum pump 4 is installed at the upper end of the fixed frame 3. A placement plate 2 is fixedly connected to the middle of the top of the workbench 1. The placement plate 2 is hollow inside, and an adsorption port is opened in the middle of the top of the placement plate 2. The suction port of the second vacuum pump 4 is connected to the inside of the workbench 1.

[0039] In this embodiment, it is convenient to adsorb and fix PMO.

[0040] It should be noted that the model specifications of flow sensors and pressure sensors are not the only limitation, but are selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0041] The power supply and operating principles of flow sensors and pressure sensors are clear to those skilled in the art and will not be described in detail here.

[0042] All electrical components mentioned in this article are electrically connected to the controller and power supply. The control method of this utility model is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0043] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0044] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0045] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0046] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. An acetic acid feeding mechanism for wiping the end face of a PMO, characterized in that, include: The workbench has a back plate fixedly connected to its rear end, and a top plate fixedly connected to the front upper end of the back plate. A material feeding and wiping component is provided at the bottom of the top plate. The feeding and wiping assembly includes a sealed acetic acid storage tank mounted on top of the top plate; The top of the sealed acetic acid storage tank is connected to a connecting pipe in the middle, and a nitrogen injection pipe is connected to one side of the top of the sealed acetic acid storage tank. A pressure sensor is installed inside the sealed acetic acid storage tank, and a pressure relief device is installed on the top of the sealed acetic acid storage tank.

2. The acetic acid feeding mechanism for wiping the end face of a PMO as described in claim 1, characterized in that, The feeding and wiping assembly also includes a first C-shaped frame that is detachably and fixedly connected to both sides of the bottom of the top plate; A first lead screw slide is installed between the two sides of the first C-shaped frame; The two sliders of the two first lead screw slides are detachably and fixedly connected to the same second shaped frame, and the same second lead screw slide is installed between the two sides of the lower end of the second shaped frame.

3. The acetic acid feeding mechanism for wiping the end face of a PMO as described in claim 2, characterized in that, The feeding and wiping assembly also includes electric telescopic rods fixedly connected to both sides of the lower end of the slider of the second lead screw slide.

4. The acetic acid feeding mechanism for wiping the end face of a PMO as described in claim 3, characterized in that, The feeding and wiping assembly also includes two electrically operated telescopic rods whose telescopic ends are detachably and fixedly connected to the same connecting plate, and a conical ceramic nozzle is fixedly connected to the bottom of the connecting plate.

5. The acetic acid feeding mechanism for wiping the end face of a PMO as described in claim 4, characterized in that, The feeding and wiping assembly also includes a conical ceramic nozzle with a trapezoidal recovery cover fitted on the outside, an extension plate fixedly connected to one side of the connecting plate, a collection box fixedly connected to the upper end of the extension plate, and a first vacuum pump connected to the top of the collection box.

6. The acetic acid feeding mechanism for wiping the end face of a PMO as described in claim 5, characterized in that, The feeding and wiping assembly also includes a collection box connected to a recycling pipe on one side. The extended end of the recycling pipe passes through the connecting plate and is connected to the top of the trapezoidal recycling hood. A first one-way valve is installed on the recycling pipe.

7. The acetic acid feeding mechanism for wiping the end face of a PMO as described in claim 5, characterized in that, The feeding and wiping assembly also includes a micro metering pump installed on the bottom side of the top plate. The suction end of the micro metering pump is connected to the bottom of the acetic acid sealed storage tank. The discharge end of the micro metering pump is connected to a stretchable tube. A flow sensor is installed on the stretchable tube near the micro metering pump. The extended end of the stretchable tube passes through the connecting plate and is connected to the top of the conical ceramic nozzle. A solenoid valve and a second check valve are installed on the side of the stretchable tube near the conical ceramic nozzle.

8. The acetic acid feeding mechanism for wiping the end face of a PMO as described in claim 1, characterized in that, A fixed frame is fixedly connected to the bottom of the workbench, and a second vacuum pump is installed at the top of the fixed frame. A placement plate is fixedly connected to the top center of the workbench. The placement plate is hollow inside, and an adsorption port is opened in the top center of the placement plate. The suction port of the second vacuum pump is connected to the inside of the workbench.