CN108582643A - A kind of plastic cement water level method of manufacturing technology, plastic cement water level item and its injection mold - Google Patents
A kind of plastic cement water level method of manufacturing technology, plastic cement water level item and its injection mold Download PDFInfo
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- CN108582643A CN108582643A CN201810476760.8A CN201810476760A CN108582643A CN 108582643 A CN108582643 A CN 108582643A CN 201810476760 A CN201810476760 A CN 201810476760A CN 108582643 A CN108582643 A CN 108582643A
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- Prior art keywords
- water level
- plastic cement
- cement water
- circuit board
- plastic
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Classifications
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
Abstract
The invention discloses a kind of plastic cement water level method of manufacturing technology, plastic cement water level item and its injection molds, overcome the manufacturing defect of above-mentioned plastic cement water level item, obtain the second best in quality plastic cement water level item.It the described method comprises the following steps：Using the PCB circuit board of plastic cement water level item as the injection mold of plastic cement water level item described in core production；The injection mold is mounted on injection molding apparatus, the plastic material of molten condition is passed through into spiral or sliding cylinder extrusion to the injection mold；For the plastic material after injection mold cooling and shaping, when die sinking, takes out the core and the plastic parts of cooling and shaping together, obtains the plastic cement water level item.PCB circuit board by being used as the core of waterproof plastic parts injection molding by the application, it overcomes since pcb board specification is small, pcb board is inserted into extremely difficult in garment bag, and the physical characteristic of pcb board is easy impaired, the defect for causing plastic cement water level yield rate low when by larger pressure.
Description
Technical field
The present invention relates to smart home life articles for use production technical field, more particularly to a kind of plastic cement water level manufacturing process
Method, plastic cement water level item and its injection mold.
Background technology
Applicant develops a variety of intelligent water drinking utensils including Intelligent water cup, thermal insulation cup, kettle, application No. is
201720415322.1 applicant's earlier application proposes a kind of water level and ultra violet sterilizer, including device fixing piece, purple
Outer lamp, level switch and main control board, the level switch are the conductive thins being fitted on described device fixing piece
Film, multiple ultraviolet lamps are uniformly arranged on described device fixing piece along the conductive film, and described device fixing piece is removable
It is mounted in water drinking utensil with unloading；The ultraviolet lamp and the level switch drive with the ultraviolet lamp of the main control board respectively
Dynamic model block and the electric connection of water level information acquisition module, the ultraviolet lamp drive module and the water level information acquisition module and institute
The microprocessor for stating main control board is electrically connected.In use, microprocessor passes through ultraviolet lamp drive module according to water level information
So that positioned at water level line ultraviolet lamp work below.
It is to be rendered as strip in above-mentioned water level and ultra violet sterilizer structure, also referred to as plastic cement water level item；Due to making
Used time needs to impregnate in a liquid, and cladding is provided with water-proof silica-gel set on the outside of device fixing piece, is integrated with level switch and purple
The PCB circuit board of outer lamp and temperature sensor is covered by water-proof silica-gel to be protected, and TDS Water quality detectors are pierced by water-proof silica-gel and are arranged
It sets；The pcb board and garment bag of existing plastic cement water level item are separately manufactured, after garment bag is by injection molding, by what is manufactured
Pcb board is inserted into garment bag, and following defect is found that in production practices：
First, since pcb board specification is small, the hole of corresponding garment bag is also smaller, and pcb board is inserted into garment bag very
Difficulty causes plastic cement water level yield rate low since the physical characteristic of pcb board is easy to be damaged when by larger pressure.
Second is that being fitted together after pcb board and plastic cement sleeve forming, place is generally sealed using fluid sealant in binding site
Reason, can not obtain good sealing effect, to influence the service life of plastic cement water level item.
Third, due to being to fit together after shaping between pcb board and garment bag, in order to ensure smoothly to assemble, pcb board
Reserved certain gap is needed with garment bag, defective tightness is combined between such pcb board and garment bag, so that water level detecting
Appearance is significantly distorted, and since garment bag deforms upon under Water Temperature, is further influenced water temperature and is detected numerical value.
Fourth, since the jack size that garment bag and pcb board coordinate is small, then carrying out injection molding use in garment bag
Core is also smaller, extremely difficult when needing to extract out core when garment bag, which is molded, to be completed, and causes garment bag to occur after core pulling
Damage influences assembly and uses.
In order to obtain good plastic cement water level item, production cost is reduced, the manufacture work of re-optimization plastic cement water level item is needed
Skill.
Invention content
The technical problem to be solved in the present invention is to provide a kind of plastic cement water level method of manufacturing technology, plastic cement water level item and its
Injection mold overcomes the manufacturing defect of above-mentioned plastic cement water level item, obtains the second best in quality plastic cement water level item.
In order to solve the above-mentioned technical problem, specifically, technical scheme is as follows：
A kind of plastic cement water level method of manufacturing technology, the described method comprises the following steps：
Using the PCB circuit board of plastic cement water level item as the injection mold of plastic cement water level item described in core production；
The injection mold is mounted on injection molding apparatus, the plastic material of molten condition is passed through into spiral or plunger
It is expressed to the injection mold；
The plastic material is after injection mold cooling and shaping, by the plastic cement of the core and cooling and shaping when die sinking
Part takes out together, obtains the plastic cement water level item.
Further, injection molding of the PCB circuit board using plastic cement water level item as plastic cement water level item described in core production
Before the step of mold, the method further includes：
Processing etching is molded the line layer of the PCB circuit board in PCB substrate, to the surface of the PCB circuit board into
Row turmeric not oil spout is handled, and TDS measuring electrodes are mounted in the PCB circuit board.
Further, the core and the plastic parts of cooling and shaping are taken out together when the die sinking, obtains the plastic cement
After the step of water level, the method further includes：
After carrying out ultrasonic bonding to the location hole on the plastic parts, the plastic cement water level item is carried out at sanding and polishing
Reason.
Optionally, the plastic material be food-grade PP, PETG, PCTG, PCTA and PPSU any one.
Further, described that the injection mold is mounted on injection molding apparatus, the plastic material of molten condition is led to
Cross spiral or sliding cylinder extrusion includes to the injection mold：
Injection molding apparatus type is selected according to the plastic material, setting includes barrel temperature, nozzle temperature, melten gel temperature
Degree, mold temperature, injection pressure, dwell pressure, the injection molding parameter of injection time, dwell time, cooling time.
Based on same inventive concept, another aspect provides a kind of plastic cement water level items, utilize above-mentioned plastic water
Position method of manufacturing technology realizes that the plastic cement water level item includes：PCB circuit board and integrated molding are in the PCB circuits
Plastic parts on plate, the side of the PCB circuit board, which is evenly spaced on, is provided with multiple induction electrodes for water level detecting,
The lower end of the PCB circuit board is provided with one group of TDS measuring electrode for TDS water quality detections；The TDS measuring electrodes are pierced by
The plastic parts；The upper end of the PCB circuit board is provided with circuit interface；The circuit interface is pierced by the plastic parts.
Further, the plastic parts forms the fish tail and waterproof layer that thickness is 1-1.5mm in the PCB circuit board.
Optionally, it is additionally provided with temperature sensor in the PCB circuit board.
Further, the lower end of the PCB circuit board is provided with compensating electrode, caused by compensation temperature and non-liquid level
Induction electrode deviation.
Based on same inventive concept, another aspect provides a kind of injection molds, utilize the above-mentioned plastic cement of realization
Water level method of manufacturing technology, the injection mold include：Mold plate, top clamping plate, Bottom clamp plate, PCB circuit board and one
Group half_split block, using the PCB circuit board as core, the circuit interface of the PCB circuit board is mounted on by a core fixing plate
It on Bottom clamp plate, is positioned by several core fixing screws being threaded through on the half_split block, the PCB circuit board and one group of institute
The cavity that half_split block forms plastic parts is stated, the half_split block is mounted on by dovetail conducting bar in the top clamping plate, the cover half
Seat board upper end center is provided with mold plate, is provided with cast gate and pouring head on the mold plate, the cast gate by pouring head with
The cavity connection；Half_split block described in one group is combined by horizontal guide post and forms die cavity holes, and the lower end of the dovetail conducting bar is provided with
Positioning screw, the positioning screw are mounted on the side of the top clamping plate by block and spring；The block passes through block
Screw is fixed on the Bottom clamp plate.
Further, the corresponding cast gate is provided with cast gate pressing plate, and the cast gate pressing plate is fixed on institute by bridge screw
It states on mold plate.
Beneficial effects of the present invention：
Plastic cement water level method of manufacturing technology, plastic cement water level item and its injection mold of the application, by by PCB circuit board
As the core of waterproof plastic parts injection molding, to overcome since pcb board specification is small, the hole of corresponding garment bag is also compared
It is small, pcb board be inserted into it is extremely difficult in garment bag, due to the physical characteristic of pcb board be easy when by larger pressure it is impaired,
The defect for causing plastic cement water level yield rate low.Since pcb board and plastic parts are integrally formed, solve between the two close
Envelope problem.
Since pcb board and plastic parts are integrally formed, fitted closely between the induction electrode and plastic parts on pcb board,
It overcomes and combines defective tightness between pcb board and garment bag, so that water level detecting appearance is significantly distorted, and due to modeling
Gum cover deforms upon under Water Temperature, further influences the technological deficiency of water temperature detection numerical value.
For injection mold using PCB circuit board as core, plastic parts need not carry out core pulling, overcome since core specification is small
And the problem of core pulling difficulty.
Description of the drawings
Fig. 1 is the plastic cement water level method of manufacturing technology flow diagram of the present invention；
Fig. 2 is the plastic cement water level main structure figure of the present invention；
Fig. 3 is along C-C in Fig. 2 to sectional structure chart；
Fig. 4 is the main overlooking structure figure of plastic cement water level item of the present invention；
Fig. 5 is the plastic cement water level testing principle structural schematic diagram of the present invention；
Fig. 6 is the plastic cement water level bar circuit principle structure schematic diagram of the present invention；
Fig. 7 is the plastic cement water level injection mold sectional structure chart of the present invention；
Fig. 8 is that the plastic cement water level injection mold of the present invention molds action schematic diagram；
In figure, 1-PCB circuit boards, 2- cooling water holes, 3- half_split blocks, 4- mold plates, 5- top clamping plates, 6- dovetail conducting bars,
7- conducting bar screws, 8- core fixing screws, 9- Bottom clamp plates, 10- core fixing plates, 11- blocks, 12- positioning screws, 13- bullets
Spring, 14- block screws, 15- cast gate pressing plates, 16- bridge screws, 41- cast gates, 42- pouring heads；20- plastic parts, 30-TDS are measured
Electrode, 40- pads, 101- induction electrodes, 102- compensating electrodes, 103- circuit interfaces, 201- plastic parts mounting holes.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.In addition, disclosed below
The each embodiment of the present invention in involved technical characteristic can be combined with each other as long as they do not conflict with each other.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of plastic cement water level method of manufacturing technology, the method includes following steps
Suddenly：
S101, using the PCB circuit board of plastic cement water level item as the injection mold of plastic cement water level item described in core production；
S102, the injection mold is mounted on injection molding apparatus, by the plastic material of molten condition by spiral or
Person's sliding cylinder extrusion is to the injection mold；
Optionally, the plastic material be food-grade PP, PETG, PCTG, PCTA and PPSU any one.
Wherein, described that the injection mold is mounted on injection molding apparatus, the plastic material of molten condition is passed through into spiral shell
Rotation or sliding cylinder extrusion include to the injection mold：
Injection molding apparatus type is selected according to the plastic material, setting includes barrel temperature, nozzle temperature, melten gel temperature
Degree, mold temperature, injection pressure, dwell pressure, the injection molding parameter of injection time, dwell time, cooling time.
Shooting Technique belongs to one kind of plastics molding process, is mainly become raw material by injection molding machine and injection mold
One process of product.The technological parameter of injection molding includes mainly injection temperature, injection pressure, dwell pressure, cooling time, mode locking
Power etc., the performances such as size, appearance for making product by adjusting these parameters are met the requirements.Specifically, injection molding parameter includes
It is as follows：
The first, temperature：Including barrel temperature, nozzle temperature, melt adhesive temperature, mold temperature, environment temperature etc.；
The second, pressure：Including injection pressure, dwell pressure, back pressure, ejection pressure, clamp force etc.；
Third, time：Including injection time, dwell time, cooling time, demoulding time etc.；
4th, speed：Including issuing velocity, storing speed, opening speed, stripping rate, strand tooth advance and retreat speed etc.；
5th, position：Including storing position, injection position, pressurize position, thimble position, penetrates to give up the throne and set.
Wherein, temperature influence factor
Temperature all plays great effect in entire injection moulding process, the last forming quality of finished product is decide, below from several
A main aspect detailed annotation：
1, barrel temperature：Raw material is into general there are three the temperatures above stage after feeding cylinder, and melten gel just complete herein by face, temperature
Degree enters melt from low toward high, and experience tentatively melts, helps and is molten to injection and requires three processes of melt effect, sufficient melt
Control is that the surface effect on the surface of final product plays a crucial role；
2, nozzle temperature：Mold temperature is more much lower than melt temperature, ensures that raw material is normal in mold after projecting melt
Flowing, it is necessary to melt is preserved into trip temperature in injection, it will not too early cooled and solidified to complete entire flow process；
3, mold temperature：The mould temperature usually said, raw material complete the process being cooled and shaped, while surface meeting after entering mold
Because different mold temperatures generates different effects, in order to reach perfect surface effect, it is necessary to control mold temperature
Reasonability；
4, environment temperature：The difference variation of entire injection workshop can also influence last product quality, keep rational temperature
Degree variation and humidity variation and a very important but often ignored factor, please pay attention to here.
Wherein, pressure influence factor
1, injection pressure：Injection pressure follows preferably low unsuitable high principle, and sufficient feed pressure is kept just to complete one
Secondary injection, excessively high injection pressure are possible to cause the planted agent of product；
2, dwell pressure：Pressure maintaining effect is compacted to the melt in cavity, is that plastics are close to die wall to obtain accurately
Shape, so that the plastics that different time and different directions enter the same position of cavity is fused into an entirety, supplement cooling meat；
3, back pressure：Back pressure is continuous accumulative reaction force after melt projects, and is acted on screw rod, by back pressure
Adjustment, can control pressure of the melt when spraying, the density after formed product, control gas flower, bubble and promote surface
Glossiness etc.；
4, ejection pressure：Refer in order to overcome plastic to cool down when to contraction package power, atmospheric pressure, adhesion strength of core etc. and
It is applied to plastic, the power for making it smoothly deviate from from die cavity still handles hot mastication state when moving back mould due to plastic, excessively high is de-
Molding pressure is likely to cause defective products, too low, it is possible that demoulding unsuccessful and generating bad phenomenon, so by reason control demoulding
Power is critically important；
5, clamp force：Clamp force decides that the production capacity of injection-moulding device, enough mode locking abilities are to determine injection molding machine institute
Can article of manufacture size main determining factor, also the production quality final on product have very big influence, clamp force is not
The production of foot, can cause product thickness, size exceeded, many bad phenomenons of overlap leak adhesive etc..
Wherein, the influence factor of time
1, injection time：Rational injection time keeps accurately injection volume, and accurately temperature hold-time, is to ensure that
Melt completely flows stroke, the filling of enough melts and the molding important step of surface crystallization after entering mold；
2, the dwell time：It is needed after injection to keeping certain pressure and pressure time in mold, to ensure melt energy
Each corner is completely filled, and completes the uniform of density and quality, ensures the filling effect of product；
3, cooling time：Melten gel enters mold and the step for crystalline forming is needed through supercooling, rational cooling time
It can guarantee not modification after formed product, do not damage, while being also control production efficiency, shortening the critical elements of injection cycle；
4, demoulding time：Similar with cooling time, demoulding time also contributes to production efficiency, and the speed of demoulding is to product table
Face will produce some negative interactions, and rational demoulding time control is where reducing the vital point of finished product fraction defective.
Wherein, speed influence factor
1, issuing velocity：Issuing velocity refers to the flowing velocity that melten gel enters cavity from nozzle, according to different materials,
Issuing velocity is different, but its objective is identical, is exactly that enough melten gels are injected with rational speed within the regular hour
Into cavity, speed filling process is completed；
2, storing speed：Storing speed mainly influences production efficiency, the good injection cycle of reasonable budget and the deposit that feeds intake；
3, opening speed：When molten plastic is injected into die cavity and extremely after the completion of cooling, with being die sinking action, is taken out
Product, die sinking process also divide three phases：First stage molds at a slow speed, prevents product from being torn in die cavity, and second stage is quick
Die sinking, to shorten open time, the phase III molds at a slow speed, impacts and vibrates caused by lower die sinking inertia；
4, tooth advance and retreat speed is twisted：For there is the product of decorative pattern or screw thread, it is to ensure that decorative pattern is complete that control, which twists tooth advance and retreat speed,
The main points of property；
Wherein, position influence factor
1, storing position：Storing position is practical be exactly product material quantity, storing position is set to reach according to mold design
To optimal injection amount；
2, position is projected：It is exactly position of the screw rod with respect to 0 point in barrel to project position, and screw rod is when front end
0 point, this position represents the sum of the position that doses adds screw rod pine to move back
3, pressurize position：The pressurize of injection molding machine need not be configured, as long as setting the pressure current of pressurize according to mold
Amount and time can, however, to ensure that pressurize is effective, when setting is projected, hits rear screw rod and reserve a distance to pressurize
With when preventing pressurize, there is no space when screw rod moves on；
4, thimble position：Auxiliary setting when thimble is demoulding, should be designed on main stress point position, put in principle
Being placed in does not influence the place of appearance, and main attention direction is that the top modifications phenomenon such as line and warpage is not generated after ejection.
As shown in table 1, this application involves main plastic material molding proces s parameters it is as follows：
S103, the plastic material are after injection mold cooling and shaping, by the core and cooling and shaping when die sinking
Plastic parts take out together, obtain the plastic cement water level item.
Wherein, injection mold of the PCB circuit board using plastic cement water level item as plastic cement water level item described in core production
The step of before, the method further includes：
Processing etching is molded the line layer of the PCB circuit board in PCB substrate, to the surface of the PCB circuit board into
Row turmeric not oil spout is handled, and TDS measuring electrodes are mounted in the PCB circuit board.
The PCB circuit board technological process of production is generally as follows：
1, single sided board technological process
Blanking edging → drilling → outer tomographic image → (full plate is gold-plated) → etching → inspection → silk-screen welding resistance → (hot wind is whole
It is flat) → silk-screen character → sharp processing → test → inspection.
2, dual platen tin spray process flow
Tin → secondary drilling → inspection → silk is moved back in blanking edging → drilling → heavy copper thickening → outer graphics → tin plating, etching
Print welding resistance → gold-plating plug → hot air leveling → silk-screen character → sharp processing → test → inspection.
3, multi-layer board tin spray process flow
Blanking edging → brill location hole → inner figure → internal layer etching → inspection → melanism → lamination → drilling → heavy copper
Thickening → outer graphics → tin plating, etching move back tin → secondary drilling → inspection → silk-screen welding resistance → gold-plating plug → hot air leveling →
Silk-screen character → sharp processing → test → inspection.
PCB circuit board will use, in order to enable PCB circuit board will not as core in the plastic material of molten condition
Because high temperature and PCB circuit board can combine closely with plastic material, carried out by the surface to PCB circuit board
Turmeric not oil spout is handled, to meet technological requirement.
Wherein, the core and the plastic parts of cooling and shaping are taken out together when the die sinking, obtains the plastic cement water level
The step of after, the method further includes：
After carrying out ultrasonic bonding to the location hole on the plastic parts, the plastic cement water level item is carried out at sanding and polishing
Reason.
Embodiment 2
Based on same inventive concept, another aspect provides a kind of plastic cement water level items, utilize above-mentioned plastic water
Position method of manufacturing technology realizes that as shown in Figure 2,3, 4, the plastic cement water level item includes：PCB circuit board 1 and one at
Plastic parts 20 of the type in the PCB circuit board 1, the side of the PCB circuit board 1, which is evenly spaced on, is provided with multiple be used for
The induction electrode 101 of water level detecting, the lower end of the PCB circuit board 1 are provided with one group of TDS measurements for TDS water quality detections
Electrode 30；The TDS measuring electrodes 30 are pierced by the plastic parts 20；The upper end of the PCB circuit board 1 is provided with circuit interface
103；The circuit interface 103 is pierced by the plastic parts 20.
Wherein, the plastic parts 20 forms the fish tail and waterproof layer that thickness is 1-1.5mm in the PCB circuit board 1.In addition
The pad 40 formed by ultrasonic bonding on plastic parts 20 will be formed between plastic parts 20 and PCB circuit board and be sealed.
Optionally, it is additionally provided with temperature sensor in the PCB circuit board.
Wherein, the lower end of the PCB circuit board 1 is provided with compensating electrode 102, caused by compensation temperature and non-liquid level
101 deviation of induction electrode.
Induction electrode and supplement electrode are copper film piece, specifically, operation principle as shown in figure 5, when liquid level changes from zero to H
When, the capacitance change Cx that induction electrode obtains is：
Wherein, ε is the dielectric constant of plastic parts, ε0' effective dielectric constant between plastic parts and air；S is induction
The sensitivity coefficient of electrode.
As shown in fig. 6, plastic cement water level item is connect with upper microprocessor, the common real-time monitoring completed for water level,
The running parameter of acquisition is passed through water level detecting point 1,2,3,4,5 by induction electrode..N is input to microprocessor, according to above-mentioned work
Principle, which calculates, obtains water level parameters.Supplement electrode obtains the capacitance change due to the initial position that the variations such as temperature generate, from
And compensate into above-mentioned calculation formula, correct measurement result.
Embodiment 3
Based on same inventive concept, another aspect provides a kind of injection molds, utilize the above-mentioned plastic cement of realization
Water level method of manufacturing technology, as shown in fig. 7, the injection mold includes：Mold plate 4, top clamping plate 5, Bottom clamp plate 9, PCB
Circuit board 1 and one group of half_split block 3, are core with the PCB circuit board 1, the circuit interface of the PCB circuit board 1 passes through one
Core fixing plate 10 is mounted on Bottom clamp plate 9, is positioned by several core fixing screws 8 being threaded through on the half_split block 3,
Half_split block 3 described in the PCB circuit board 1 and one group forms the cavity of plastic parts, and the half_split block 3 passes through dovetail conducting bar 6 and installs
In the top clamping plate 5,5 upper end center of the top clamping plate is provided with mold plate 4, and cast gate is provided on the mold plate 4
41 and pouring head 42, the cast gate 41 be connected to the cavity by pouring head 42；Half_split block 3 described in one group passes through horizontal guide post knot
Conjunction forms die cavity holes, and the lower end of the dovetail conducting bar 6 is provided with positioning screw 12, and the positioning screw 12 passes through block 11 and bullet
Spring 13 is mounted on the side of the top clamping plate 5；The block 11 is fixed on by block screw 14 on the Bottom clamp plate 9.
Dovetail conducting bar 6 is fixed on by a conducting bar screw 7 on top clamping plate 5.
Wherein, the corresponding cast gate 41 is provided with cast gate pressing plate 15, and the cast gate pressing plate 15 is fixed by bridge screw 16
On the mold plate 4.
As shown in figure 8, when die sinking, while half_split block 3 after dynamic model with moving, along A1- under 6 guiding role of dovetail conducting bar
A1 partings, cast gate condensate deviate from main pouring head, and plastic cement water level item stays on dynamic model.After molding A2-A2, from Bottom clamp plate 9
Take out plastic cement water level item.Dynamic model moves forward when molding, and the dovetail of dovetail conducting bar 6 is inserted into the dovetail groove of half_split block 8, keeps half_split block 3 multiple
It simultaneously locks position.The course of work is simple, easy to operate.
Plastic cement water level method of manufacturing technology, plastic cement water level item and its injection mold of the application, by by PCB circuit board
As the core of waterproof plastic parts injection molding, to overcome since pcb board specification is small, the hole of corresponding garment bag is also compared
It is small, pcb board be inserted into it is extremely difficult in garment bag, due to the physical characteristic of pcb board be easy when by larger pressure it is impaired,
The defect for causing plastic cement water level yield rate low.Since pcb board and plastic parts are integrally formed, solve between the two close
Envelope problem.
Since pcb board and plastic parts are integrally formed, fitted closely between the induction electrode and plastic parts on pcb board,
It overcomes and combines defective tightness between pcb board and garment bag, so that water level detecting appearance is significantly distorted, and due to modeling
Gum cover deforms upon under Water Temperature, further influences the technological deficiency of water temperature detection numerical value.
For injection mold using PCB circuit board as core, plastic parts need not carry out core pulling, overcome since core specification is small
And the problem of core pulling difficulty.
As shown in Figure 1, 2, 3, a kind of water level and ultra violet sterilizer 40, including device fixing piece 41, ultraviolet lamp 44, water level
Detector 42 and main control board 50, the level switch 43 are the conductive thins being fitted on described device fixing piece 41
Film, multiple ultraviolet lamps 44 are uniformly arranged on described device fixing piece 41, described device fixing piece along the conductive film
41 are removably mounted in water drinking utensil；The ultraviolet lamp 44 and the level switch 43 respectively with the main control board
50 ultraviolet lamp drive module and water level information acquisition module is electrically connected, the ultraviolet lamp drive module and the water level information
The microprocessor of acquisition module and the main control board 50 is electrically connected.In use, microprocessor passes through according to water level information
Ultraviolet lamp drive module so that being located at water level line ultraviolet lamp 44 below works.
Wherein, the ultraviolet lamp 44 is wavelength in 300nm deep ultraviolet LED light below.Existing ultraviolet lamp is
Belong to a kind of low pressure mercury lamp, as common fluorescent lamp, emits ultraviolet light after being excited using low-pressure mercury-vapor (＜ 10-2Pa).
The difference is that the fluorescent tube of sight lamp, using simple glass, 254nm ultraviolet lights, which cannot appear, to be come, can only be by the glimmering of tube inner wall
Light powder inspires visible light after absorbing.If changing the ingredient and ratio of fluorescent powder, it is usually seen that it can send out us
The light of different colours.The fluorescent tube of general bactericidal lamp all uses quartz glass to make because quartz glass to each wave band of ultraviolet light all
There is very high transmitance, reaches 80%-90%, be the optimal material for making bactericidal lamp.The luminescence spectrum of ultraviolet germicidal lamp mainly has
254nm and 185nm two.254nm ultraviolet lights kill bacterium by irradiating the DNA of microorganism, and 185nm ultraviolet lights can be by air
In 02 become 03 (ozone), ozone has strong oxidation, can effectively kill bacterium, the dispersivity of ozone can make up just
Since ultraviolet light only has the shortcomings that dead angle along straightline propagation, disinfection.The technical program uses deep ultraviolet LED light, avoids existing
There is low pressure mercury lamp physical examination larger, and is crushed and is easy to bring dangerous substance.
Preferably, the wave band of deep ultraviolet LED light is 200-300nm.
Wherein, the main control board 50 further includes action sensing module, the action sensing module and the microprocessor
Device is electrically connected, and when the action sensing module is quickly reduced by the acquisition water level information of the level switch 43, judges to drink
Hydrophone ware is opened, and the ultraviolet lamp 44 is closed.Because ultraviolet light is harmful to human body, ultraviolet light can not be allowed to irradiate people
Body, therefore ultraviolet lamp 44 must be closed when opening water drinking utensil.
Wherein, the lower end of described device fixing piece 41 is provided with temperature sensor 45 and TDS Water quality detectors 46, the temperature
Degree sensor 45 is connect with a temperature collecting module, and the TDS Water quality detectors 46 are connect with a water quality monitoring module, the temperature
Degree acquisition module and the water quality monitoring module are connect with the microprocessor.
Wherein, 41 outside of described device fixing piece also cladding is provided with water-proof silica-gel set 42,43 He of the level switch
The ultraviolet lamp 44 and the temperature sensor 45 are coated in the water-proof silica-gel set 42, the TDS Water quality detectors 46
It is pierced by 42 setting of water-proof silica-gel set.
Conceived based on same invention, the present invention also provides a kind of water drinking utensil, the water drinking utensil includes above-mentioned water
Position and ultra violet sterilizer 40.
As shown in Figure 4,5, the water drinking utensil is intelligent thermos cup, including cup body 10, undertaking body 20 and cup lid 30, institute
It states cup body 10 and the cup lid 30 is separately positioned on the upper and lower ends of the undertaking body 20, the through-hole of the undertaking body 20 is connected to institute
State cup body 10；41 upper end of described device fixing piece of the water level and ultra violet sterilizer 40 is detachably mounted to the undertaking
In body 20, the lower end of described device fixing piece 41 is arranged close to the bottom of the cup body 10；It is arranged in the undertaking body 20
State main control board 50 and lithium battery 52, the level switch 43, ultraviolet lamp 44, temperature of the water level and ultra violet sterilizer 40
Sensor 45 and TDS Water quality detectors 46 are electrically connected with the main control board 50；The lithium battery 52 is mounted on described
In the battery accommodating groove of undertaking body 20, the battery accommodating groove is located at the outside of the cup body 10.
Wherein, wireless communication devices 51 are also integrated on the main control board 50, the wireless communication devices 51 pass through
Wireless communication module is connect with the microprocessor, realizes that information communicates with user's intelligent terminal.
Wherein, LCD MODULE and parameter setting module, the liquid crystal are additionally provided on the main control board 50
Show that module and the parameter setting module are connect with the microprocessor, the LCD MODULE is with setting in the lithium battery
The liquid crystal display 53 in 52 outsides connects, the parameter information of temperature, water level, TDS values in real-time display cup body 10；The parameter
Holding temperature and the ultraviolet disinfection time that setup module is used to be arranged in cup body 10.
Wherein, driving power module, the driving power module and micro- place are additionally provided on the main control board
The connection of device module is managed, the lithium battery is connect with the driving power module, and the driving power module is the governor circuit
Plate provides operating voltage.
Wherein, using threaded connection, the undertaking body 20 between the undertaking body 20 and the cup body 10, the cup lid 30
10 threaded connection place of the cup body is provided with water-proof silica-gel circle 21,20 upper end of undertaking body is provided with described in 30 face of the cup lid
Cup lid water-proof silica-gel layer 31；The link position of the undertaking body 29 and described device fixing piece 41 is provided with detachable water-proof silica-gel
Circle 47.
Wherein, 10 bottom of the cup body is provided with the anti-skidding silicagel pad 70 for preventing cup body from sliding.
Using above-mentioned technical proposal, since multiple ultraviolet lamps and water level information being associated so that water drinking utensil carries out
When ultraviolet disinfection, water level line ultraviolet lamp below work is enabled to, to keep being in direct contact for ultraviolet lamp and water body；It is promoted
The effect of ultraviolet disinfection.
Embodiments of the present invention are explained in detail above in association with attached drawing, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (10)
1. a kind of plastic cement water level method of manufacturing technology, which is characterized in that the described method comprises the following steps：
Using the PCB circuit board of plastic cement water level item as the injection mold of plastic cement water level item described in core production；
The injection mold is mounted on injection molding apparatus, the plastic material of molten condition is passed through into spiral or sliding cylinder extrusion
To the injection mold；
The plastic material is after injection mold cooling and shaping, by the core and the plastic parts of cooling and shaping one when die sinking
It rises and takes out, obtain the plastic cement water level item.
2. a kind of plastic cement water level method of manufacturing technology according to claim 1, which is characterized in that described with plastic cement water level
The PCB circuit board of item as described in core production the step of the injection mold of plastic cement water level item before, the method further includes：
Processing etching is molded the line layer of the PCB circuit board in PCB substrate, sinks to the surface of the PCB circuit board
Golden not oil spout processing, and TDS measuring electrodes are mounted in the PCB circuit board.
3. a kind of plastic cement water level method of manufacturing technology according to claim 1, which is characterized in that by institute when the die sinking
The plastic parts for stating core and cooling and shaping takes out together, and after the step of obtaining the plastic cement water level, the method further includes：
After carrying out ultrasonic bonding to the location hole on the plastic parts, sanding and polishing processing is carried out to the plastic cement water level item.
4. a kind of plastic cement water level method of manufacturing technology according to claim 1, which is characterized in that the plastic material is
Food-grade PP, PETG, PCTG, PCTA and PPSU any one.
5. a kind of plastic cement water level method of manufacturing technology according to claim 4, which is characterized in that described by the injection molding
Mold is mounted on injection molding apparatus, and the plastic material of molten condition is passed through spiral or sliding cylinder extrusion to the injection mold
Including：
According to the plastic material select injection molding apparatus type, setting include barrel temperature, nozzle temperature, melt adhesive temperature,
Mold temperature, injection pressure, dwell pressure, the injection molding parameter of injection time, dwell time, cooling time.
6. a kind of plastic cement water level item utilizes the plastic cement water level method of manufacturing technology reality as described in claim 1-5 any one
It is existing, which is characterized in that the plastic cement water level item includes：The modeling of PCB circuit board and integrated molding in the PCB circuit board
Glue part, the side of the PCB circuit board, which is evenly spaced on, is provided with multiple induction electrodes for water level detecting, the PCB
The lower end of circuit board is provided with one group of TDS measuring electrode for TDS water quality detections；The TDS measuring electrodes are pierced by the modeling
Glue part；The upper end of the PCB circuit board is provided with circuit interface；The circuit interface is pierced by the plastic parts.
7. a kind of plastic cement water level item according to claim 6, which is characterized in that the plastic parts is in the PCB circuit board
It is upper to form the fish tail and waterproof layer that thickness is 1-1.5mm.
8. a kind of plastic cement water level item according to claim 6, which is characterized in that the lower end of the PCB circuit board is provided with
Compensating electrode, for induction electrode deviation caused by compensation temperature and non-liquid level.
9. a kind of injection mold, using the plastic cement water level method of manufacturing technology realized as described in claim 1-5 any one,
It is characterized in that, the injection mold includes：Mold plate, top clamping plate, Bottom clamp plate, PCB circuit board and one group of half_split block,
Using the PCB circuit board as core, the circuit interface of the PCB circuit board is mounted on Bottom clamp plate by a core fixing plate
On, it is positioned by several core fixing screws being threaded through on the half_split block, the PCB circuit board and half_split block described in one group
The cavity of plastic parts is formed, the half_split block is mounted on by dovetail conducting bar in the top clamping plate, the top clamping plate upper end
It is provided centrally with mold plate, cast gate and pouring head are provided on the mold plate, the cast gate passes through pouring head and the cavity
Connection；Half_split block described in one group is combined by horizontal guide post and forms die cavity holes, and the lower end of the dovetail conducting bar is provided with positioning screw,
The positioning screw is mounted on the side of the top clamping plate by block and spring；The block is fixed on by block screw
On the Bottom clamp plate.
10. a kind of injection mold according to claim 9, which is characterized in that the corresponding cast gate is provided with cast gate pressing plate,
The cast gate pressing plate is fixed on by bridge screw on the mold plate.
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| CN201810476760.8A CN108582643A (en) | 2018-05-16 | 2018-05-16 | A kind of plastic cement water level method of manufacturing technology, plastic cement water level item and its injection mold |
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| CN201810476760.8A CN108582643A (en) | 2018-05-16 | 2018-05-16 | A kind of plastic cement water level method of manufacturing technology, plastic cement water level item and its injection mold |
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Cited By (1)
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| CN109121304A (en) * | 2018-09-29 | 2019-01-01 | 惠州建富科技电子有限公司 | A kind of processing method for wiring board |
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Application publication date: 20180928 |