CN106273143B - Manufacturing system and method of embedded co-curing composite damping film - Google Patents
Manufacturing system and method of embedded co-curing composite damping film Download PDFInfo
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- CN106273143B CN106273143B CN201610840435.6A CN201610840435A CN106273143B CN 106273143 B CN106273143 B CN 106273143B CN 201610840435 A CN201610840435 A CN 201610840435A CN 106273143 B CN106273143 B CN 106273143B
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- 238000013016 damping Methods 0.000 title claims abstract description 201
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 80
- 238000001035 drying Methods 0.000 claims abstract description 70
- 238000005507 spraying Methods 0.000 claims abstract description 41
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 45
- 239000002002 slurry Substances 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 26
- 235000019198 oils Nutrition 0.000 claims description 26
- 238000007790 scraping Methods 0.000 claims description 26
- 235000019476 oil-water mixture Nutrition 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 13
- 238000004804 winding Methods 0.000 abstract description 11
- 238000009499 grossing Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 71
- 239000012530 fluid Substances 0.000 description 13
- 239000003292 glue Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002075 main ingredient 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
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007965 rubber solvent Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
- B29C41/28—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on an endless belt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/52—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3076—Aircrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3097—Cosmonautical vehicles; Rockets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/721—Vibration dampening equipment, e.g. shock absorbers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明公开了一种嵌入式共固化复合材料阻尼薄膜的制作系统及方法，包括阻尼材料溶液的制备、喷涂、光整、烘干以及阻尼材料溶液中溶剂的回收、阻尼薄膜厚度的检测与调整、重复喷涂至调整之间的过程达到设计厚度、阻尼薄膜表面油纸的铺设和收卷。将未硫化的丁基橡胶溶于120号汽油中，使其完全溶解，由喷涂装置将阻尼材料溶液加压进入雾化喷头喷出至输送带上，通过光整、湿式烘干和干式烘干，回收利用有机溶剂。为保证制得阻尼薄膜的厚度精准，设置厚度检测控制装置；为制得厚度较大的阻尼薄膜，设置多次喷涂装置；为防止制得的阻尼薄膜成品在收集后互相粘附，收卷前要在阻尼薄膜上、下两表面各铺设一层油纸，最后用辊筒将阻尼薄膜成品卷起。
The invention discloses a manufacturing system and method for an embedded co-cured composite damping film, including the preparation, spraying, smoothing, drying of a damping material solution, recovery of the solvent in the damping material solution, and detection and adjustment of the thickness of the damping film , Repeat the process between spraying and adjustment to achieve the design thickness, laying and winding of the oil paper on the surface of the damping film. The unvulcanized butyl rubber is dissolved in No. 120 gasoline to make it completely dissolved. The damping material solution is pressurized by the spraying device into the atomizing nozzle and sprayed onto the conveyor belt. After finishing, wet drying and dry drying dry, and the organic solvent is recycled. In order to ensure the thickness of the obtained damping film is accurate, a thickness detection and control device is set; to obtain a damping film with a larger thickness, a multiple spraying device is set; in order to prevent the obtained damping film products from adhering to each other after collection, before winding Lay a layer of oil paper on the upper and lower surfaces of the damping film, and finally roll up the finished damping film with a roller.
Description
Technical field
The present invention be directed to the preparation systems and method of the damping diaphragm in the processing of embedded co-curing damp composite material
And newly propose, belong to functional structure technical field of composite materials.
Background technique
Since composite material itself has very high specific strength and specific stiffness, make it in high-tech areas such as Aeronautics and Astronautics
It has been more and more widely used.Embedded co-curing damp composite material is exactly the base in existing high performance composites
On plinth, damping material is embedded, so that this new material had both maintained the strength and stiffness of original fibrous composite,
Excellent damping vibration attenuation performance is made it have again, to assign the comprehensive mechanical property that structure other materials cannot be taken into account.But
Up to the present, the production of damping layer has spread coating, pressed disc method and layer to layer transition method in embedded co-curing damp composite material.
Wherein for damping diaphragm cost made from spread coating still in higher level, the degree of automation is relatively low, limits it further
Using；Pressed disc method and the damping diaphragm size of layer to layer transition method production cannot be too big, suffer from compression molding machine worktable ruler
Very little and machine operation pressure limitation.These methods are unfavorable for damping embedded in embedded co-curing damp composite material
The mass production of layer, and cost is very high.In this regard, proposing the production work of a kind of easy and efficient damping diaphragm here
Skill, to reducing the processing cost of embedded co-curing damp composite material, further its extensive use is pushed to lay the foundation.
Summary of the invention
The purpose of the present invention is for damping diaphragm large area preparation in existing embedded co-curing damp composite material
Problem provide damping diaphragm in a kind of embedded co-curing damp composite material under the control of computer control system
The new process of layer production, it includes control system, the preparation of damping material solution, the spraying of damping material solution, damping material
The striking off of solution, the drying of damping material solution, the recycling of solvent, the detection of damping diaphragm thickness and tune in damping material solution
Whole, repetition is sprayed into the process between adjustment, when damping diaphragm reaches design thickness, oilpaper is laid on damping diaphragm,
Then lower surface is wound.Damping diaphragm in co-curing damp composite material embedded in this way can large area be prepared for.
The main raw material(s) for preparing damping diaphragm is butyl rubber, when preparing damping diaphragm, is first dissolved in butyl rubber
In No. 120 gasoline, storage a period of time, until it is completely dissolved.Damping material solution is forced into atomizer by pneumatic system
It is ejected on conveyer belt, to make obtained damping diaphragm thickness and precision with higher and surface quality, increases and scrape paperback
It sets.When the damping solution layer by striking off moves to drying unit with conveyer belt, drying unit dries solution, and solvent steams
Hair, and recycled by solvent recovering system.Remainder, that is, main component after drying be butyl rubber damping diaphragm with it is defeated
Band is sent to separate.Thickness to guarantee damping diaphragm obtained is accurate, is provided with thickness on-line checking and adjustment device.When requiring to make
When the damping diaphragm of work is thicker, by the way of repeatedly spraying, repetition is sprayed into the process between adjustment, makes damping diaphragm thickness
Uniformly increase to design requirement.For prevent damping diaphragm finished product obtained when collecting it is adhered to one another together, rolled
Two surfaces are respectively laid with one layer of oilpaper on it, down before, and finished product finally is made in damping diaphragm winding with roller.When production is embedded in
When formula co-curing damp composite material workpiece, according to the ply stacking-sequence of design, the size that the finished product of winding is cut into needs is spread
Enter in material prepreg, embedded co-curing damp composite material component is then made according to co-curing reaction.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of manufacturing system of embedded co-curing composite material damping film, comprising:
The preparation facilities of damping material solution will complete the preparation of spraying slurries before spraying；
Spray equipment, the device complete the slurries that will be prepared spraying on a moving belt；
Slurries are sprayed on the conveyer belt by conveyer belt, the spray equipment, and the conveyer belt is a circulation
Structure runs through entire manufacturing system；
Scraping device, setting is square on a moving belt, strikes off to slurries；
Drying unit is arranged after scraping device, dries to the slurries of spraying on a moving belt, it is thin to form damping
Film；
Thickness detection apparatus, the slurries thickness after being used to detect drying；If meeting thickness requirement, in damping diaphragm
Upper and lower surfaces are laid with oilpaper, and finally damping diaphragm finished product is made in winding, if not meeting thickness requirement, are sprayed again, directly
To meeting the requirements；With
Control device, the control device control rack-mounted spray equipment, conveyer belt, scraping device, baking
Equipment for drying and thickness detection apparatus.
Further, the spray equipment includes fluid reservoir, and air pump and hydraulic pump, institute are connected on the fluid reservoir
The air pump stated controls the pressure in fluid reservoir by pressure reducing valve, and the spray coating liquor made is pumped into fluid reservoir by the hydraulic pump
Interior, the bottom of the fluid reservoir connects multiple atomizers.
Further, the scraping device, including one scraped flat sword, the flat sword of scraping passes through connecting rod and a cross bar
It is connected, the cross bar both ends are fixed on the rack, and connecting rod can be rotated around cross bar；The connecting rod bottom is equipped with idler wheel, rolling
Wheel lower end is contacted with the upper surface of conveyer belt, and the flat sword both ends of scraping are fixed on connecting rod by height adjusting screws.
Further, the drying unit is made of wet type drying tower and dry type drying tower；The wet type drying tower
To and dry type drying tower slurries are dried jointly.
Further, the middle portion temperature of the wet type drying tower should be maintained at 80-100 DEG C, and bottom temp is maintained at
65-80 DEG C, head temperature is maintained at 100-130 DEG C.
Further, the system further includes solvent recovery unit, the liquid flowed out from the outlet at bottom of wet type drying tower
State oil water mixture enters oil water separator separation；The gaseous state oil water mixture flowed out from the top exit of wet type drying tower enters
Heat exchanger after being converted into the oil water mixture of liquid, enters back into oil water separator separation；It is obtained after oil water separator separates
Reusable organic solvent enters solvent recovery unit.
Further, the device being laid with for damping diaphragm upper and lower surfaces oilpaper includes relative to damping diaphragm in symmetrical
The upper layer oilpaper laying apparatus and lower layer's oilpaper laying apparatus of arrangement, the upper layer oilpaper laying apparatus and lower layer's oilpaper are laid with
Device respectively includes oilpaper storage paper tube and Positioning rollers, and the Positioning rollers of the Positioning rollers of upper layer oilpaper and lower layer's oilpaper it
Between be equipped with gap, and the two is coordinated mutually, play jointly accurately upper layer oilpaper and lower layer's oilpaper are routed on damping diaphragm,
The effect of lower two sides.
Further, the system further includes finished product collection device, and the finished product collection device is a reel.
A kind of production method of embedded co-curing composite material damping film, comprising:
The spraying slurries prepared are sprayed on conveyer belt using spray equipment；Using scraping device on conveyer belt
Slurries strike off, and strike off rear slurry and enter drying unit under the transmission of conveyer belt and dried, and form damping diaphragm；Thickness
Slurries thickness after detection device detection drying；If meeting thickness requirement, it is laid with oilpaper in damping diaphragm upper and lower surfaces, most
Damping diaphragm finished product is made in winding afterwards, if not meeting thickness requirement, is sprayed, struck off, dried again, until meeting thickness
It is required that carrying out finished product recycling.
Further, the main component of the slurries is butyl rubber, mixed for 30g with the dissolving ratio of organic solvent
Refining glue: 125ml gasoline.
Further, the preparation flow of the spray solution is as follows:
The sizing material after the completion of mixing is placed in 1-2mm thickness piece of extrusion on open mill first, and film is cut into 10mm wide
Adhesive tape；The industrial naptha for determining volume is poured into large beaker again, the quality of rubber compound needed for calculating according to solvent volume is used in combination
Electronic balance weighs；Then weighed mixing adhesive tape is placed in industrial naptha, it is small that sealing is placed on storage 24 in room temperature environment
When make it completely dissolved, stirring rear can be used for spraying.
Further, when spraying, damping material solution is forced into spray head by pneumatic system and is sprayed, pneumatic and hydraulic system
In pressure reducing valve to maintain pressure constant so that pressure at spray head is stablized, spray damping material solution uniformly with misty.
Further, the drying unit includes that wet type drying tower and dry type drying tower are constituted；It is sprayed with damping material solution
Conveyer belt enter wet type drying tower, 110-130 DEG C of vapor is entered by air intake valve from wet type drying tower high-temperature vapour
Mouth is passed through wet type drying tower, and high-temperature vapor makes the organic solvent in damping material solution volatilize, the middle part temperature of wet type drying tower
Degree should be maintained at 80-100 DEG C, and bottom temp is maintained at 65-80 DEG C, and head temperature is maintained at 100-130 DEG C；It is dried in wet type
The bottom of dry tower, vapor and volatile organic solvent liquid form liquid oil water mixture and flow out from outlet at bottom；Wet
The gaseous state oil water mixture of the top of formula drying tower, vapor and volatile organic solvent is flowed out from top exit；Dry type is dried
The effect of dry tower is a small amount of moisture that removal remains in damping diaphragm surface；High temperature air is passed through from the entrance of dry type drying tower,
It is flowed out from outlet, which may be implemented the purpose that removal remains in a small amount of moisture on damping diaphragm surface.
Further, enter oil water separator point from the liquid oil water mixture that the outlet at bottom of wet type drying tower flows out
From；The gaseous state oil water mixture flowed out from the top exit of wet type drying tower enters heat exchanger, and the grease for being converted into liquid is mixed
After closing object, oil water separator separation is entered back into.Reusable organic solvent is just obtained after oil water separator separates.
Further, when to make embedded co-curing damp composite material workpiece, by material prepreg and this
The damping diaphragm of application production is laid with according to the ply stacking-sequence of design, i.e., the damping diaphragm of winding is cut into the ruler of needs
It is very little to spread in material prepreg, embedded co-curing damp composite material component is then made according to co-curing reaction.
Beneficial effects of the present invention are as follows:
1) present applicant proposes a kind of under the control of computer control system, embedded co-curing damp composite material
The new system and new process of middle damping diaphragm layer production, it includes that control system, the preparation of damping material solution, damping material are molten
The spraying of liquid, the striking off of damping material solution, the drying of damping material solution, in damping material solution solvent recycling, damping
The on-line checking of film thickness and adjustment, repetition is sprayed into the process between adjustment, will when damping diaphragm reaches design thickness
Oilpaper is laid on damping diaphragm upper and lower surfaces, then winds.The damping realized in embedded co-curing damp composite material is thin
The large area automated production of film has the advantages that high-efficient, high degree of automation and at low cost.
2) the application proposes the on-line checking and adjustment device of damping diaphragm thickness on automatic production line, by scraping
The on-line measurement device of the adjustment of height and damping diaphragm thickness, realizes damping diaphragm thickness substantially between flat cutter and conveyer belt
The closed-loop control of size makes damping diaphragm thickness keep high stability and consistency, substantially increases the quality of product.
3) the application proposes the solvent recovery reuse means of damping material solution on automatic production line, saves
Production cost, the loss for reducing raw material, have the characteristics that it is environmentally protective.
Detailed description of the invention
A kind of manufacture process system of damping diaphragm of Fig. 1；
Fig. 2 spray equipment schematic diagram；
Fig. 3 nozzle arrangements；
The arrangement of Fig. 4 nozzle；
The damping diaphragm of Fig. 5 nozzle spraying；
Fig. 6 scraping device overall diagram；
Fig. 7 scraping device partial enlarged view；
Fig. 8 scraping device cross-sectional view；
Fig. 9 scrapes flat sword working principle diagram；
Figure 10 solvent recovering system schematic diagram；
Figure 11 oilpaper is laid with and finished product collection device schematic diagram；
Figure 12 oilpaper laying apparatus enlarged drawing.
Wherein: 1, spray equipment, 2, scraping device, 3, drying unit, 4, thickness detection apparatus, 5, finished product collection device,
6, conveyer belt, 7, air pump, 8, hydraulic pump, 9, atomizer, 10, fluid reservoir, 11, lower position switch, 12, buoy, 13, column,
14, upper limit switch, 15, damping material solution, 16, rack, 17, bearing block, 18, cross bar, 19, connecting rod, 20, articulation hole spiral shell
Bolt, 21, scrape flat sword, 22, height adjusting screws, 23, idler wheel, 24, roller, 25, lower layer's oilpaper, 26, damping diaphragm, 27, upper layer
Oilpaper, 28, upper layer oilpaper storage paper tube, 29, upper layer oilpaper Positioning rollers, 30, finished product take-up drums, 31, damping diaphragm finished product,
32, lower layer's oilpaper Positioning rollers, 33, lower layer's oilpaper store up paper tube, 34, intake valve, 35, wet type drying tower, 36, wet type drying tower it is close
Closure door, 37, dry type drying tower, 38, heat exchanger, 39, oil water separator, 40, locking nut, 41, spring washer, 42, damping
Solution inlet, 43, spray volume adjusting knob, 44, mist width adjusting knob, 45, compressed air inlet, 46, damping solution spraying area,
47, spray equipment, 48, pneumatic 2/2-way solenoid valve, 49, hydraulic 2/2-way solenoid valve, 50, control system, a, storage are recycled
Flow container air inlet, b, atomizer air inlet, c, high-temperature vapor air inlet, d, the outlet of liquid oil water mixture, e, gaseous state oil
Aqueous mixtures outlet, f, high temperature air entrance, g, high temperature air outlet.
Specific embodiment
With reference to the accompanying drawing 1 to Figure 12 and specific embodiment the present patent application is described further (for sake of convenience, first
Describe the situation without circulation spray equipment 47):
A kind of manufacture process system of damping diaphragm is as shown in Figure 1, mainly include the preparation facilities of damping material solution, resistance
The spray equipment 1 of damping material solution, the scraping device 2 of damping material solution, the drying unit 3 of damping material solution, damping material
Expect the recovery system of solvent in solution, the on-line measuring device 4 of damping diaphragm thickness, circulation spray equipment 47, damping diaphragm table
The laying of face oilpaper 32 and 33 and damping diaphragm finished product collection device 5, whole service process are all in computer control system 50
Control under carry out, it is specific as follows:
The preparation facilities of damping material solution will complete the preparation of spraying slurries before spraying, and (device uses existing
Prepared by device, therefore said herein without being developed in details)；
Spray equipment 1, the device spray to the slurries made on conveyer belt；
Slurries are sprayed on the conveyer belt by conveyer belt 6, the spray equipment, and the conveyer belt is a circulation
Structure runs through entire manufacturing system；
Scraping device 2, setting is square on a moving belt, strikes off to slurries；
Drying unit 3 is arranged after scraping device, dries to the slurries of spraying on a moving belt, forms damping
Film；
On-line thickness measurement device 4, the slurries thickness after being used to detect drying；If meeting thickness requirement, damping
Film upper and lower surfaces are laid with oilpaper, and finally damping diaphragm finished product is made in winding, if not meeting thickness requirement, are sprayed again
It applies, until meeting the requirements；With
Control device 50, the control device control rack-mounted spray equipment, conveyer belt, scraping device,
Drying unit and thickness detection apparatus.
When making damping diaphragm, production damping material solution is needed first, and damping material main ingredient is butyl rubber, it can
It is dissolved in gasoline, tetrahydrofuran, in carbon tetrachloride equal solvent.Consider from safety, economy and easy availability, the present invention selects rubber
Widely used rubber solvent (No. 120 industrial napthas) carries out the preparation of glue material solution in glue industry.Moderate viscosity in order to obtain
And the damping material solution easily sprayed, it is necessary to rubber compound be dissolved in organic solvent according to a certain percentage, pass through experimental exploration
The optimal dissolution ratio of damping material and solvent is 30g rubber compound: 125ml gasoline out.The preparation flow of spray solution is as follows: first
The sizing material after the completion of mixing is first placed in 1-2mm thickness piece of extrusion on open mill, and film is cut into the adhesive tape of 10mm wide；Again
The industrial naptha for determining volume is poured into large beaker, the quality of rubber compound needed for being calculated according to solvent volume, and uses electronic balance
It weighs；Then weighed rubber compound adhesive tape is placed in industrial naptha, sealing, which is placed on to store 24 hours in room temperature environment, makes it
It is completely dissolved, stirring rear can be used for spraying.
Damping material solution spraying device is as shown in Fig. 2, the supply mode of damping material solution selects pressure sending type, spraying
When, 7 one side of air compressor, that is, air pump is that atomizer 9 provides high pressure gas by atomizer air inlet b, on the other hand
It is that fluid reservoir air inlet 10 provides compressed air by pipeline a, the damping material solution 15 being stored in fluid reservoir 10 is extruded
To atomizer 9, it is sufficiently mixed it with the high pressure gas for being passed through atomizer 9, and the ejection fog-like from spray head.Fluid reservoir
Damping material solution 15 in 10 is supplied using discontinuous.Buoy 12 floats on the liquid level of damping material solution 15, and can be with
It is slided up and down along column 13.Buoy 12 is set to touch lower position switch when the damping material solution 15 in fluid reservoir 10 is constantly reduced
When 11, hydraulic pump 8 starts, and damping material solution is pumped into fluid reservoir 10.As hydraulic pump 8 is constantly pumped into fluid reservoir 10
Damping material solution, buoy 12 constantly rise with liquid level.When buoy 12 touches upper limit switch 14, hydraulic pump 8 stops fortune
Turn, stops being pumped into damping material solution into fluid reservoir 10, so under normal circumstances, the liquid level of damping material solution is just
It can be maintained between upper and lower limit bit switch 14 and 11.
Before spray equipment work, control system 50 controls the air compressor, that is, air pump 7 and hydraulic system of pneumatic system
Hydraulic pump 8 first run, under the action of respective system overflow valve and pressure reducing valve, pneumatic system and hydraulic system is made to be kept for one
The stable steady pressure for leading to pneumatic 2/2-way solenoid valve 48 and hydraulic 2/2-way solenoid valve 49.When spray equipment works
When, control system 50 controls the pneumatic commutation of 2/2-way solenoid valve 48 (in normally open when not working, in normally closed after commutation
State), it commutates and (in normally open when not working, is in after commutation again by of short duration time delaying hydraulic 2/2-way solenoid valve 49
Normally off), atomizer 9 starts to spray damping material solution on the conveyer belt for be coated with antitack agent, by controlling conveyer belt
Movement velocity and the concentration and speed of spraying damping material solution can control the thickness of damping diaphragm.When spray equipment stops
When work, control system 50 will first control hydraulic 2/2-way solenoid valve 49 and commutate (solenoid valve power-off), after suitable time-delay again
It controls pneumatic 2/2-way solenoid valve 48 to commutate (solenoid valve power-off), atomizer 9 will stop working, and then cut off air again
The power supply of compressor, that is, air pump 7 and the hydraulic pump of hydraulic system 8.
The original depth of damping material solution film can be controlled by following several respects factor: damping material solution 15
Viscosity, 9 spouting velocity of atomizer, 9 quantity of atomizer, the speed of conveyer belt 6.In the case where other conditions are constant,
9 spouting velocity of atomizer is higher, 9 quantity of atomizer is more, the viscosity of damping material solution 15 is bigger, 6 speed of conveyer belt
Slower, the thickness of damping material solution film is bigger.After having primarily determined the substantially thickness of damping material solution film, by scraping
Leveling device 2 further accurately controls its thickness.
The structure of atomizer 9 (can be from purchase on the market) is as shown in figure 3, having compressed air inlet 45 and damping molten
Liquid entrance 42, compressed air and damping solution are in atomizer 9 after evenly mixing to damp the spraying form of solution from nozzle
It sprays；Atomizer 9 has spray volume adjusting knob 43 and mist width adjusting knob 44, and it is molten can effectively to adjust spray head ejection damping
The amount of liquid and the size of spraying swath are adapted to the needs of spraying different-thickness damping diaphragm.
The conveyer belt 6, surface answer it is smooth, smooth, and get along well the adhesion of damping material solution, to guarantee damping diaphragm
The surface quality of finished material.In addition, with damping material solution any react would not occur for its surfacing；Due to there is drying
The presence of device 3, conveyer belt 6 should also have certain high-temperature stability.
Fig. 4 is the layout drawing of nozzle, and when injection damps glue material solution, it is defeated that air pump is ejected into damping glue material solution from nozzle
Send band 6 surface, when injection should keep the stabilization of pressure, belt speed and damping material solution viscosity, so that damping glue material solution is uniform
Smoothly it is ejected on conveyer belt.In damping glue material solution jeting area, by reasonably arranging nozzle, make to spray between spray head
It penetrates region to be overlapped mutually, disposably passing through spray head in conveyer belt, to be formed by damping diaphragm thickness almost the same.
As shown in figure 5, the damping glue material solution 46 that single-nozzle 9 ejects is on the conveyor belt after spraying pressure setting
A border circular areas is formed, which also has expression, and it is molten that border circular areas center is in the damping sizing material left on conveyer belt 6
Liquid 26 is more, and the damping glue material solution left at border circular areas periphery is less, by the damping glue for the nozzle injection being spaced substantially equidistant
Expect overlapping of the solution by jeting area, the damping glue material solution for leaving it in entire jet face is essentially the same more, in this way
The substantially homogeneous damping compound layer of thickness is just formed on the conveyor belt.The height of the distance between nozzle and nozzle away from conveying zone face
It is determined by test.Entire conveyer belt is covered on after giving damping glue material solution jet velocity and conveying tape speed in constant temperature workshop
On damping layer thickness with regard to almost the same.
The scraping device 2 is as shown in fig. 6, its effect is to ensure that damping diaphragm finished product thickness uniformity and surface matter
Stability is measured, illustrates its specific work process now in conjunction with Fig. 7 to Fig. 9.The cross bar 18 being mounted on by bearing block 17 in rack 16
It is connected with connecting rod 19, connecting rod 19 can be rotated around cross bar 18.The bottom of 19 other end of connecting rod is equipped with idler wheel 23,23 lower end of idler wheel with
The upper surface of conveyer belt 6 contacts.The one end for scraping flat sword 21 is mounted between two housing screws.Height adjusting screws 22 are passed through and are struck off
One end of sword 21, bottom are contacted with 19 upper surface of connecting rod.Turn height adjusting screws 22, it is adjustable to scrape flat sword 21 and conveyer belt
The distance between 6.Respectively there are an articulation hole bolt 20 in 22 two sides of height adjusting screws, adjust when with height adjusting screws 22
After scraping the distance between flat sword 21 and conveyer belt 6, stop nut 40 is screwed, then screws articulation hole bolt 20, is played solid
Surely the effect of flat sword 21 is scraped.Spring washer 41 plays anti-loose effect.Meanwhile housing screw 20 plays guiding role, that is, guarantees to scrape
Flat sword 21 can only to avoid deflection along the axial movement for compressing articulation hole bolt 20.
The effect of 19 lower end idler wheel 23 of connecting rod are as follows: when scraping flat sword 21 and changing at a distance from support belt 6, or it is thick
When spending the practical damping diaphragm thickness and different design value that detection device 4 measures, articulation hole bolt 20 is compressed by unclamping
Screw 22 is adjusted with rotation height, makes to scrape the distance between flat sword 21 and support belt 6 and reaches requirement value, or makes thickness
The practical damping diaphragm thickness that detection device 4 measures is consistent with design thickness.When the thickness of conveyer belt 6 changes, roller
The lower surface of the conveyer belt 6 of 24 tip contacts, the upper surface of the conveyer belt 6 of 23 lower contacts of idler wheel, entire scraping device 2 will
Center of rotation around bearing block 17 rotates an angle, moves up and down together to drive and scrape flat sword 21, remains and strike off
The distance between sword 21 and conveyer belt 6 are constant, that is to say, that scraping the distance between flat sword 21 and conveyer belt 6 will not be because of conveying
The variation of tape thickness and change, i.e., the thickness value of damping diaphragm that the device processes will not be because of the variation of 6 thickness of conveyer belt
And change, to guarantee the constant thickness of damping diaphragm finished product.Meanwhile structure is contacted using idler wheel 23 and roller 24 and conveyer belt 6
At rolling pair, coefficient of friction can reduce.
Drying unit 3 is made of wet type drying tower 35 and dry type drying tower 37.The side of wet type drying tower 35 is equipped with wet type
Drying tower hermatic door 36, in order that making conveyer belt 6 easy for installation, specific work process is as shown in Figure 1.It is sprayed with damping material solution
Conveyer belt enter wet type drying tower 35, by 110-130 DEG C of vapor by intake valve 34 from 35 high-temperature water of wet type drying tower
Steam air inlet c is passed through wet type drying tower 35, and high-temperature vapor makes the organic solvent in damping material solution volatilize, wet type drying
The middle portion temperature of tower 35 should be maintained at 80-100 DEG C, and bottom temp is maintained at 65-80 DEG C, and head temperature is maintained at 100-130
℃.In the bottom of wet type drying tower 35, vapor and volatile organic solvent liquefy to form liquid oil water mixture, from liquid
Oil water mixture exports d outflow；At the top of wet type drying tower, the gaseous state oil mixing with water of vapor and volatile organic solvent
Object is flowed out from outlet e.
The course of work of dry type drying tower 37 as shown in Figure 1, high temperature air from the high temperature air entrance f of dry type drying tower 37
Place is passed through, and is flowed out from high temperature air outlet g, which can remove a small amount of moisture for remaining in damping diaphragm surface.
The course of work of solvent recovery unit is as shown in Figure 10, the liquid flowed out from the outlet at bottom d of wet type drying tower 35
Oil water mixture enters the separation of oil water separator 39；The gaseous state oil water mixture flowed out from the top exit e of wet type drying tower 35
Into heat exchanger 38, it is converted into the oil water mixture of liquid, enters back into the separation of oil water separator 39.It is separated through oil water separator
Reusable organic solvent is just obtained afterwards.
Measurer for thickness 4, the thickness for on-line measurement and control damping diaphragm 26.If the thickness of damping diaphragm 26 is not
It meets the requirements, can be by scraping device in Fig. 7, adjusting articulation hole arrives the sword of scraper 21 with bolt 20 and height adjusting screws 22
The distance between conveyer belt 6 reaches design thickness requirement to change the thickness of damping diaphragm 26.
Oilpaper is laid with and finished product collection device is as shown in FIG. 11 and 12.Since the thickness of damping diaphragm 26 is than relatively thin, and
With certain viscosity, if directly with reel rolled up together easily it is adhered to one another together.Therefore by damping diaphragm volume 26
Before rising, two surfaces are respectively laid with one layer of oilpaper on it, down, in favor of the collection and storage of damping diaphragm 26.Oilpaper is laid with dress
It sets and is divided into upper layer oilpaper laying apparatus and lower layer's oilpaper laying apparatus.
Upper layer oilpaper laying apparatus stores up paper tube 28 by upper layer oilpaper and upper layer oilpaper Positioning rollers 29 form.Upper and lower layer oil
The effect that paper stores up paper tube 28 and 33 is storage oilpaper.Upper layer oilpaper Positioning rollers 29 and lower layer's oilpaper Positioning rollers 32 are assisted mutually
It adjusts, plays the role of that upper layer oilpaper 27 and lower layer's oilpaper 25 are accurately routed to the upper and lower two sides of damping diaphragm 26 jointly.On
The distance between layer oilpaper Positioning rollers 29 and lower layer's oilpaper Positioning rollers 32 must be moderate, cause oilpaper damping apart from excessive
The paste performance on 26 surface of film is bad；Apart from it is too small then can excessive compression damping diaphragm 26, influence its dimensional accuracy.Upper layer oil
Paper laying apparatus is identical with lower layer's oilpaper laying apparatus structure, and the two is arranged symmetrically about damping diaphragm 26.
The finished product take-up drums 30 of damping diaphragm finished product 31 through being laid with upper and lower layer oilpaper are rolled.
When the biggish damping diaphragm of production thickness, due to the damping material solution film finite thickness once sprayed, therefore
It need to be using circulation spray equipment 47.
The circulation spray equipment 47, as shown in Figure 1, its purpose is that uniformly increasing damping by the way of repeatedly spraying
Film thickness, the thicker damping diaphragm of thickness is made, it is spray equipment, conveyer belt, scraping device, dries dress in structure
It sets, the combination of solvent recovering system, thickness on-line checking and adjustment device, and can be according to reality for the quantity for recycling spray equipment
The thickness of the damping diaphragm of border production suitably increases and decreases.Its workflow are as follows: when the biggish damping diaphragm of production thickness, through thickness
Damping diaphragm 26 after the measurement thickness of detection device 4 can't directly be connected with finished product collection device 5, but enter circulation spraying
Device 47 carries out the spraying of damping material solution, the striking off of damping material solution, the drying of damping material solution, damping again
The recycling of solvent, the detection of damping diaphragm thickness and adjustment in material solution, if thickness reaches design requirement, to damping diaphragm
Carry out the laying of surface oilpaper, finished product is made in winding；If thickness meet design requirements, damping diaphragm enters next circulation
Spray equipment repeats the above process, until damping diaphragm thickness reaches design requirement, then carries out damping diaphragm surface oilpaper
It is laid with, finished product is made in winding.
When to make embedded co-curing damp composite material workpiece, material prepreg and the application are made
Damping diaphragm is laid with according to the ply stacking-sequence of design, i.e., spreads the size that the damping diaphragm of winding is cut into needs into compound
In material prepreg, embedded co-curing damp composite material component is then made according to co-curing reaction.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
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| CN107716182B (en) * | 2017-11-17 | 2023-07-07 | 中国计量大学 | Viscose spraying device |
| CN108656423B (en) * | 2018-04-26 | 2020-07-14 | 航天材料及工艺研究所 | Preparation method of polyimide prepreg |
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