CN103029263B - Adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window - Google Patents
Adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window Download PDFInfo
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- CN103029263B CN103029263B CN201210526383.7A CN201210526383A CN103029263B CN 103029263 B CN103029263 B CN 103029263B CN 201210526383 A CN201210526383 A CN 201210526383A CN 103029263 B CN103029263 B CN 103029263B
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- Prior art keywords
- automobile glass
- glass encapsulation
- mixed solution
- injection
- gas
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/1271—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed parts being partially covered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
- B60J1/10—Windows; Windscreens; Accessories therefor arranged at vehicle sides fixedly mounted
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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
- B29C45/14778—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 the article consisting of a material with particular properties, e.g. porous, brittle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/004—Mounting of windows
- B60J1/006—Mounting of windows characterised by fixation means such as clips, adhesive, etc.
Abstract
The invention provides a kind of adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window.Adapted to injection system comprises: gas supply device, is connected with plasticizing apparatus, for providing at least one gas to plasticizing apparatus; Plasticizing apparatus, for making raw material plastify, to form solution, also for making gas mix with solution, is formed containing alveolate mixed solution; Injection device, is connected with plasticizing apparatus, for being injected into containing alveolate mixed solution in the die cavity of automobile glass encapsulation mould.Injection moulding process comprises: plasticizing raw material, to form solution; In raw material, at least one gas is injected in the process of plasticizing raw material; Solution and gas are mixed, is formed containing alveolate mixed solution; Described mixed solution is injected in the die cavity of automobile glass encapsulation mould, to form automobile glass encapsulation.The present invention also provides the automobile glass encapsulation that a kind of described injection moulding process is formed and the vehicle window comprising automobile glass encapsulation.Present invention inhibits the contraction problem in injection moulding.
Description
Technical field
The present invention relates to glass technology field, particularly relate to a kind of adapted to injection system for the formation of automobile glass encapsulation and injection moulding process, the automobile glass encapsulation formed by described injection moulding process and comprise the vehicle window of described automobile glass encapsulation.
Background technology
Glass edge-wrapping can increase the sealing of glass, noise reduction and security, and glass can also be made more attractive in appearance.
Be disclose a kind of rear car triangle window assembly in the Chinese patent application of CN102180081A at publication number.With reference to figure 1, show the schematic diagram of rear car triangle window assembly in described Chinese patent application.Described rear car triangle window assembly comprises: glass 11, is formed at the glass edge-wrapping 12 of described glass 11 periphery.Described glass edge-wrapping 12 comprises coated face 121, lip limit 122 and glue groove 123.Described glue groove 123 is formed at described coated face 121, and for coated glass glue, described colloidal sol groove 121 can stop the lateral flow of glass cement, thus prevents Lou glue phenomenon.Described lip limit 122 in the form of sheets, can compression.Described glass edge-wrapping 12 is shaped by Shooting Technique.
Shooting Technique comprises: first raw material is carried out plasticizing and form solution, be injected in mold cavity afterwards, described solution cooling curing in mold cavity, to form the moulding matched with described die profile by described solution.
But during the Shooting Technique of prior art formation glass edge-wrapping, solution produces contraction due to cooling in mold cavity, the size of this glass edge-wrapping that injection moulding is formed is less than design specification, thus makes glass edge-wrapping can not realize mating well with other accessories of automotive window.Such as: in the assembling process of automotive window, easily occur that glass edge-wrapping does not mate with bright panel size and cause " crack " phenomenon.
In order to prevent the generation of described contraction problem, prior art have employed the technical scheme increasing injection pressure.But the increase of injection pressure easily causes glass breakage, thus cause the decline of glass edge-wrapping fine ratio of product.
Summary of the invention
Therefore, need a kind of adapted to injection system, the problem cooling the natural shrinking caused can be suppressed when injection moulding.
According to an aspect of the present invention, provide a kind of adapted to injection system, comprising: gas supply device, plasticizing apparatus, injection device and automobile glass encapsulation mould; Described gas supply device, is connected with described plasticizing apparatus, for providing at least one gas to described plasticizing apparatus; Described plasticizing apparatus, for making raw material plastify, to form solution, also for making described gas mix with described solution, is formed containing alveolate mixed solution; Described injection device, is connected with described plasticizing apparatus, for being injected into described in the die cavity of described automobile glass encapsulation mould containing alveolate mixed solution.
A basic thought is, be provided with the gas supply device be connected with described plasticizing apparatus, at least one gas is provided in described plasticizing apparatus, formed in plasticizing apparatus containing alveolate mixed solution, like this injection device by containing alveolate mixed solution be injected in the chamber of automobile glass encapsulation mould time, bubble starts due to air pressure change to expand, and the expansion of bubble and the contraction of mixed solution are cancelled out each other, thus inhibit contraction problem.
In one example in which, described adapted to injection system is also provided with exhaust apparatus, for being exhausted at the die cavity of process to automobile glass encapsulation mould injecting mixed solution.By arranging exhaust apparatus in adapted to injection system, can be exhausted at the die cavity of process to automobile glass encapsulation mould injecting mixed solution, to improve the smoothness on automobile glass encapsulation surface.
According to another aspect of the present invention, provide a kind of injection moulding process, comprising: plasticizing raw material, to form solution; In raw material, at least one gas is passed in the process of plasticizing raw material; Make solution together with described gas and vapor permeation, formed containing alveolate mixed solution; Be injected in the die cavity of automobile glass encapsulation mould, to form automobile glass encapsulation by described containing alveolate mixed solution.
A basic thought is, to entrained gas in raw material in the process plastified raw material, formed containing alveolate mixed solution, like this when being injected in mold cavity containing alveolate mixed solution, bubble starts due to air pressure change to expand, the expansion of bubble and the contraction of mixed solution are cancelled out each other, thus inhibit contraction problem.
In one example in which, also comprise in step in the described die cavity described mixed solution being injected into automobile glass encapsulation mould: in mixed solution injection process, the die cavity of automobile glass encapsulation mould is exhausted, by in injection process to the die cavity intake and exhaust of automobile glass encapsulation mould, the bubble on glass of automobile bound edge surface can be removed, thus improve the smoothness on automobile glass encapsulation surface.
According to another aspect of the present invention, provide a kind of automobile glass encapsulation, described automobile glass encapsulation inside has micropore.
A basic thought is, described micropore has the effect preventing automobile glass encapsulation generation deformation, thus improving the yield of described automobile glass encapsulation, the existence of described micropore also alleviates the weight of described automobile glass encapsulation, reduces the cost of described automobile glass encapsulation.
According to another aspect of the present invention, a kind of vehicle window comprising described automobile glass encapsulation is additionally provided.
A basic thought is that described micropore has the effect preventing automobile glass encapsulation generation deformation, thus improves the yield of vehicle window, and the existence of micropore can also alleviate the weight of vehicle window, reduces the cost of vehicle window.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of prior art rear car triangle window assembly;
Fig. 2 is the schematic diagram of adapted to injection system one embodiment of the present invention;
Fig. 3 is the schematic flow sheet of injection moulding process one embodiment of the present invention;
Fig. 4 is the front schematic view of vehicle window one embodiment of the present invention;
Fig. 5 is the schematic rear view of vehicle window shown in Fig. 4.
Detailed description of the invention
The invention provides a kind of adapted to injection system for the formation of automobile glass encapsulation and injection moulding process, entrained gas in the feed in the process that raw material is plastified, formed containing alveolate mixed solution, like this when being injected in mold cavity containing alveolate mixed solution, bubble starts due to air pressure change to expand, the expansion of bubble and the contraction of mixed solution are cancelled out each other, thus inhibit contraction problem, adopt the automobile glass encapsulation that described adapted to injection system is finally formed, the vehicle window comprising described automobile glass encapsulation not only meets design specification but also have higher production yield.
Further illustrate below in conjunction with specific embodiment.
With reference to figure 2, illustrate the schematic diagram of adapted to injection system one embodiment of the present invention.Described adapted to injection system comprises: gas supply device 100, plasticizing apparatus 200, injection device 300 and automobile glass encapsulation mould 400.Wherein,
Described gas supply device 100, is connected with described plasticizing apparatus 200, for providing at least one gas to plasticizing apparatus 200.Particularly, described gas supply device 100 comprises gas cylinder 101, processing unit 102 and control unit 103.
Described gas cylinder 101, for inventory of gas.In the present embodiment, described gas cylinder 101 is for having the gas cylinder of nitrogen, and nitrogen can not cause environmental pollution, meets low-carbon (LC) demand.In other embodiments, adapted to injection system can also adopt the mist of a kind of gas in carbon dioxide, inert gas, compressed air or multiple gases, and the present invention is not restricted this.
Processing unit 102, is connected with described gas cylinder 101, for regulating gas cylinder 101 to the air pressure of plasticizing apparatus 200 air feed.Particularly, described processing unit 102 can be air valve.
Control unit 103, is connected with described processing unit 102, for controlling the time of air feed.Time herein comprises the initial time of air feed and the duration of air feed.Under the control of control unit 103, described control unit 103 just starts air feed for add raw material in plasticizing apparatus 200 after, thus controls the opportunity passing into gas in plasticizing apparatus 200.Described gas supply device 100, by controlling the duration of air feed, controls the gas gross passed in plasticizing apparatus 200, and then can control the size of bubble in mixed solution.
Particularly, control unit 103 can comprise the electromagnetic switch be connected with described processing unit 102, and controls the clock unit that described electromagnetic switch opens or closes.Described electromagnetic switch, when open mode, can provide the gas being completed air pressure adjustment by processing unit 102, when described electromagnetic switch is in closed condition, stops providing gas.Described clock unit can be the dummy unit realized by computer program, also can be the circuit unit that can provide clock signal.The rising edge of described clock signal can trigger the open mode of described electromagnetic switch, described clock signal or trailing edge can trigger the closed condition of described electromagnetic switch, to realize the control of the initial time to described air feed; The duration of described clock signal high level is in the duration of open mode for controlling described electromagnetic switch, and then realizes the control to the duration of described air feed.
It should be noted that, the gas be mixed in the solution that plasticizing raw material is formed is more, and the bubble in final mixed solution is larger; The gas be mixed in the solution that plasticizing raw material is formed is fewer, and the bubble in final mixed solution is less.That is, when gas flow is constant, under the control of control unit 103, the duration of air feed is longer, bubble larger (micropore correspondingly, in the final automobile glass encapsulation formed is larger); The duration of air feed is shorter, bubble less (micropore correspondingly, in the final automobile glass encapsulation formed is less).
It should be noted that, gas supply device 100 is not limited to the mode of Fig. 2, can also comprise compressor and controller, and described compressor has the compressed air of certain air pressure for providing; Described controller is connected with described compressor, for controlling the described initial time of compressed air air feed and the duration of air feed.Such gas supply device 100 can provide compressed air to plasticizing apparatus 200, and described compressed air is a kind of comparatively cheap gas, can reduce costs.
Plasticizing apparatus 200, for making raw material plastify, to form solution, also for making described gas mix with described solution, is formed containing alveolate mixed solution.In the present embodiment, plasticizing apparatus 200 comprises: plasticizing charging barrel 201, machine barrel 202 and heating unit 203.
Described plasticizing charging barrel 201, for throwing raw materials.In the present embodiment, described raw material can be the particle of polyvinyl chloride (polyvinylchloride, PVC) or thermoplastic elastomer (TPE) (ThermoplasticElastomer, TPE) material.In other embodiments, the raw material of other materials can also be adopted.
Machine barrel 202, is provided with the air inlet communicated with described gas supply device 100, the charging aperture communicated with described plasticizing charging barrel 201.Described machine barrel 202 has the cavity of hollow, and the gas that gas supply device 100 provides enters in described cavity by described air inlet, and the raw material thrown in from plasticizing charging barrel 201 is entered in described cavity by described charging aperture.It should be noted that, described air inlet and charging aperture place can arrange the one-way cock of only import but no export, therefore, described gas, raw material to enter to after machine barrel 202 by unidirectional valve seal in described machine barrel 202, thus improve the sealing effectiveness of gas, raw material in machine barrel 202.Be sealed in after in described machine barrel 202, described gas and raw material complete mixing and plasticizing in machine barrel 202.
Heating unit 203, for heating the raw material in machine barrel 202, thus makes raw material complete the process of plasticizing.During plasticizing, during by described granular heating raw materials to forming temperature, the solution of fluidised form can be formed.It should be noted that, for described granular raw material, when not passing into gas, forming temperature is usually higher, but can be formed after passing into gas and comprise alveolate mixed solution, due to the existence of bubble, improve the mobility of mixed solution, because this reducing the forming temperature in plasticizing process.Particularly, the present embodiment Raw is PVC or TPE particle, and the step of described heating makes temperature be positioned at the scope of 100 ~ 200 DEG C (temperature lower than when not passing into gas).The time of heating process cost can be reduced like this, shorten injection cycle, enhance productivity.
Described heating unit 203 can adopt the mode of Resistant heating to realize, and principle, the structure of heating are same as the prior art, do not repeat them here.
It should be noted that, plasticizing apparatus 200 is not limited to the mode of Fig. 2, described plasticizing apparatus 200 can also be piston cylinder operator, comprise particularly: cylinder and the piston be arranged in described cylinder, raw material can be pushed into cylinder interior by described piston, the barrel of described cylinder is provided with air inlet, for passing into gas.The outer tube wall of described cylinder is provided with heating unit, can be realized the plasticizing of cylinder Raw by the heating of described heating unit.
Injection device 300, is connected with described plasticizing apparatus 200, for being injected into described in the die cavity of described automobile glass encapsulation mould 400 containing alveolate mixed solution.Particularly, described injection device 300 comprises screw rod 301, motor (not shown) and discharging opening 302.Described motor and discharging opening 302 lay respectively at two ends of described screw rod 301.
Described discharging opening 302 communicates with the die cavity of described automobile glass encapsulation mould 400.
Described screw rod 301 is sheathed in described machine barrel 202, under the driving of described motor, described screw rod 301 rotates towards described discharging opening 302, with injection pressure, mixed solution in machine barrel 202 is injected in the die cavity of described automobile glass encapsulation mould 400 from described discharging opening 302.Specifically, described machine barrel 202 cavity inner wall is provided with the first screw thread, the bar wall of described screw rod 301 is provided with the second screw thread mated with described first screw thread.Promoting described screw rod 301 can make the mixed solution in described machine barrel 202 cavity discharge from discharging opening 302, and is filled in the die cavity of described automobile glass encapsulation mould 400.Herein, the power making the movement in described machine barrel 202 of described screw rod 301 is injection pressure.
In addition, described screw rod 301 can rotate under the drive of described motor, and raw material and gas can be made to mix between screw rod 301 with the inwall of machine barrel 202, can also accelerate the process of raw material plasticizing.In the present embodiment, screw rod 301 can rotate along axes O O ' direction.
It should be noted that, injection device 300 is not limited to the mode of Fig. 2, and can also be that described mixed solution can be injected into the device in the die cavity of described automobile glass encapsulation mould 400 by other, the concrete structure of the present invention to injection device 300 be restricted.
Die cavity and the automobile glass encapsulation to be formed of automobile glass encapsulation mould 400 match.After being injected into described die cavity containing alveolate mixed solution, mixed solution is caught a cold becomes elastomeric state, cools further afterwards and solidifies, and forms automobile glass encapsulation.In the process, on the one hand due to the decline of ambient temperature, the phenomenon of natural shrinking can be produced; On the other hand due to the reduction (air pressure of machine barrel 202 enclosure space has draught head with the atmospheric pressure in automobile glass encapsulation mould 400) of ambient pressure, bubble starts expansion due to the cause of draught head.The expansion of bubble and the contraction of mixed solution are cancelled out each other, thus inhibit the contraction problem of automobile glass encapsulation.
It should be noted that, in the injection process of prior art, except applying injection pressure to screw rod 301, to promote described screw rod 301; Also can apply a dwell pressure again, to fill the space between die cavity and mixed solution of shrinking and causing.Because the present embodiment inhibits contraction problem, therefore, no longer can apply described dwell pressure or only apply a less dwell pressure, thus preventing the problem of the excessive glass breakage caused of dwell pressure, improve yield rate.
In addition, described in the present embodiment, mixed solution contains bubble, has good mobility, and therefore, compared with prior art, the injection pressure of the present embodiment is smaller, also can prevent the problem of glass breakage.In addition, the filling effect of the good mixed solution of mobility to automobile glass encapsulation mould 400 is relatively good, therefore may be used for forming the comparatively complicated automobile glass encapsulation of structure.
Further, in the final automobile glass encapsulation formed, there is micropore, can also economize in raw materials, alleviate product weight.
Also in adapted to injection system, exhaust apparatus is provided with, for being exhausted at the die cavity of process to automobile glass encapsulation mould injecting mixed solution in another embodiment of adapted to injection system of the present invention.
Particularly, described exhaust apparatus can be arranged at least one steam vent in described automobile glass encapsulation mould.Mixed solution can not be discharged again while gas can being ensured to discharge by the aperture size arranging described steam vent.Preferably, quantity for steam vent is multiple situations, on automobile glass encapsulation mould, evenly steam vent can be set, to realize even exhaust, and then ensure the smoothness on large area automobile glass encapsulation surface, therefore except realizing the advantage of previous embodiment, the adapted to injection system being provided with exhaust apparatus of the present embodiment can also prevent bubble-shaped to be formed in the surface of glass edge-wrapping.
Described exhaust apparatus can also be at least one the fumer pin be arranged in described automobile glass encapsulation mould.Can by the gas sucking-off on automobile glass encapsulation surface by fumer pin.Preferably, in order to attractive in appearance, described fumer pin is arranged at the position corresponding to the automobile glass encapsulation back side in described automobile glass encapsulation mould.The automobile glass encapsulation back side described herein refers to automobile glass encapsulation when mounted towards the side of car body.
Described exhaust apparatus can also be the vacuum extractor be connected with described automobile glass encapsulation mould, gas in automobile glass encapsulation can be extracted out by described vacuum extractor, although vacuum extractor price is higher, there is good controllability, the effect be vented can be ensured.
The present invention also provides a kind of injection moulding process, with reference to figure 3, illustrates the schematic flow sheet of the embodiment that injection moulding process of the present invention is formed.Described injection moulding process roughly comprises the following steps:
Step S1, plasticizing raw material, to form solution;
Step S2, passes at least one gas in the process of plasticizing raw material in raw material;
Step S3, makes solution together with described gas and vapor permeation, is formed containing alveolate mixed solution;
Step S4, is injected in the die cavity of automobile glass encapsulation mould, to form automobile glass encapsulation by described containing alveolate mixed solution.
Elaborate below in conjunction with reference to the technical scheme of adapted to injection system to injection moulding process of the present invention shown in accompanying drawing 2.
Perform step S1, in plasticizing charging barrel 201, throw in PVC or TPE particle, the charging aperture via machine barrel 202 enters in the cavity of machine barrel 202.After having thrown in raw material, heated by the raw material in heater 203 pairs of machine barrels 202, to form solution.
Perform step S2, under the control of the control unit 103 in gas supply device 100, in the cavity of machine barrel 202, pass at least one gas via the air inlet of machine barrel 202.In the present embodiment, described gas can be nitrogen.In other embodiments, described gas can also be the mist of carbon dioxide or nitrogen and carbon dioxide.
It should be noted that, the gas be mixed in the solution is more, and bubble is larger, and the micropore finally formed in automobile glass encapsulation is larger; The gas be mixed in solution is fewer, and bubble is less, and the micropore finally formed in automobile glass encapsulation is less.Therefore, the Timing bubble that can be continued by adjusting gas flow, air feed in practical application and the size of micropore.
Perform step S3, can be sealed in by the one-way cock of only import but no export in machine barrel 202 after gas, raw material enter to machine barrel 202, thus improve the sealing effectiveness of machine barrel 202.The screw rod 301 be sheathed in described machine barrel 202 rotates along axes O O ' under the drive of motor, and the solution between described screw rod 301 and the barrel of described machine barrel 202 and gas are mixed equably, is formed containing alveolate mixed solution.
It should be noted that, plasticizing raw material, pass into gas and the process of carrying out rotating realizing mixing can be carried out simultaneously.
Formed after passing into gas and comprise alveolate mixed solution, due to the existence of bubble, improve the mobility of mixed solution, because this reducing the forming temperature in plasticizing process, in the present embodiment, described raw material is PVC or TPE, and the step of described heating makes temperature be positioned at the scope of 100 ~ 200 DEG C.
Perform step S4, make screw rod 301 be injected in the die cavity of automobile glass encapsulation mould 400 by described mixed solution with injection pressure, after being injected into described die cavity containing alveolate mixed solution, mixed solution is caught a cold formation elastomeric state, cool further afterwards and solidify, forming automobile glass encapsulation.Because the expansion of bubble and the contraction of mixed solution are cancelled out each other, thus inhibit the contraction problem of automobile glass encapsulation.
It should be noted that, after mixed solution injects die cavity, if the temperature in die cavity is too high be unfavorable for solidification process, if the temperature in die cavity is too low, solidification process is too fast, and the expansion of bubble is bad to the neutralization effect shunk.Therefore, preferably, after mixed solution injection die cavity, temperature is positioned at the scope of 30 ~ 50 DEG C.
Also it should be noted that, after filling die cavity, can also apply again on screw rod 301 and not pass into dwell pressure little compared with the prior art of gas, to maintain injection state, thus the space new mixed solution injected being filled between die cavity that contraction causes and mixed solution.It should be noted that, owing to present invention inhibits contraction problem, also can no longer apply described dwell pressure, and only apply described injection pressure when injecting, thus simplify step, reduce injection cycle, improve production efficiency.
Correspondingly, the present invention also provides automobile glass encapsulation, comprises the vehicle window of described automobile glass encapsulation.Front schematic view, the schematic rear view of vehicle window one embodiment of the present invention is respectively illustrated with reference to figure 4, Fig. 5.The present embodiment is for triangle vehicle window, but the present invention is not restricted this.
Vehicle window comprises: triangle glass 500 and the automobile glass encapsulation 501 being positioned at described triangle glass 500 periphery.
Automobile glass encapsulation 501 inside in vehicle window of the present invention comprises multiple micropore.Described micropore has the effect preventing automobile glass encapsulation generation deformation, improves the yield of automobile glass encapsulation; In addition, the existence of micropore can also alleviate the weight of automobile glass encapsulation; Further, the existence of micropore can also save the material forming automobile glass encapsulation, to reduce costs.
If micropore is oversize, easily penetrate described automobile glass encapsulation 501, form open-type bubble; If micropore is undersized, then suppress the effect of contraction less.Therefore, preferably, the diameter of described automobile glass encapsulation 501 internal capillary is positioned at the scope of 0.01 ~ 1mm.
It should be noted that, automobile glass encapsulation 501 can be formed by injection moulding process of the present invention herein, and also can be formed by additive method, the present invention is not restricted this.
In addition, described micropore can reduce the weight of automobile glass encapsulation 501, vehicle window.
The back side of described vehicle window is also provided with build-up member 502, and described build-up member 502 is for realizing the assembling of vehicle window and car body (not shown).
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (18)
1. an adapted to injection system, is characterized in that, comprising: gas supply device, plasticizing apparatus, injection device and automobile glass encapsulation mould; Wherein,
Described gas supply device, is connected with described plasticizing apparatus, for providing at least one gas to described plasticizing apparatus;
Described plasticizing apparatus, for making raw material plastify, to form solution, also for making described gas mix with described solution, is formed containing alveolate mixed solution;
Described injection device, is connected with described plasticizing apparatus, for being injected in the die cavity of described automobile glass encapsulation mould by described containing alveolate mixed solution;
Exhaust apparatus, for being exhausted at the die cavity of process to described automobile glass encapsulation mould injecting described mixed solution.
2. adapted to injection system as claimed in claim 1, it is characterized in that, described exhaust apparatus is be arranged at least one steam vent in described automobile glass encapsulation mould.
3. adapted to injection system as claimed in claim 1, it is characterized in that, described exhaust apparatus is at least one the fumer pin be arranged in described automobile glass encapsulation mould.
4. adapted to injection system as claimed in claim 3, is characterized in that, described fumer pin is arranged at the position that described automobile glass encapsulation mould corresponds to the automobile glass encapsulation back side.
5. adapted to injection system as claimed in claim 1, it is characterized in that, described exhaust apparatus is the vacuum extractor be connected with described automobile glass encapsulation mould.
6. adapted to injection system as claimed in claim 1, it is characterized in that, described gas supply device comprises:
Gas cylinder, for inventory of gas;
Processing unit, is connected with described gas cylinder, for regulating the air pressure of described gas cylinder air feed;
Control unit, is connected with described processing unit, for controlling the time of air feed.
7. adapted to injection system as claimed in claim 1, it is characterized in that, described plasticizing apparatus comprises:
Plasticizing charging barrel, for throwing raw materials;
Machine barrel, is provided with the air inlet communicated with described gas supply device, the charging aperture communicated with described plasticizing charging barrel;
Heating unit, for heating described machine barrel.
8. adapted to injection system as claimed in claim 1, is characterized in that, described gas is one or more in nitrogen, carbon dioxide, inert gas, compressed air.
9. adapted to injection system as claimed in claim 1, it is characterized in that, described injection device comprises:
Discharging opening, communicates with the die cavity of described automobile glass encapsulation mould;
Screw rod and motor, under the driving of described motor, described screw rod rotates towards described discharging opening, to discharge and be filled in the die cavity of described automobile glass encapsulation mould for making the mixed solution in described plasticizing apparatus from described discharging opening.
10. an injection moulding process, is characterized in that, comprising:
Plasticizing raw material, to form solution;
At least one gas is passed in the process of described plasticizing raw material;
Make described solution together with described gas and vapor permeation, formed containing alveolate mixed solution;
Be injected in the die cavity of automobile glass encapsulation mould, to form automobile glass encapsulation by described containing alveolate mixed solution;
Be exhausted at the die cavity of process to described automobile glass encapsulation mould injecting described mixed solution.
11. injection moulding process as claimed in claim 10, it is characterized in that, the step in the described die cavity described mixed solution being injected into automobile glass encapsulation mould comprises:
With injection pressure, described mixed solution is injected in the die cavity of described automobile glass encapsulation mould;
Injection state is maintained with dwell pressure.
12. injection moulding process as claimed in claim 10, it is characterized in that, the step in the described die cavity described mixed solution being injected into automobile glass encapsulation mould comprises:
With injection pressure, described mixed solution is injected in the die cavity of described automobile glass encapsulation mould.
13. injection moulding process as claimed in claim 10, it is characterized in that, the step of described plasticizing raw material comprises:
Described raw material is heated.
14. injection moulding process as claimed in claim 13, it is characterized in that, described raw material is PVC or TPE, and the step of described heating makes temperature be positioned at the scope of 100 ~ 200 DEG C.
15. injection moulding process as claimed in claim 10, is characterized in that, in the described die cavity described mixed solution being injected into automobile glass encapsulation mould in step, the temperature of described mixed solution is positioned at the scope of 30 ~ 50 DEG C.
16. 1 kinds of automobile glass encapsulations, is characterized in that, the injection moulding process of described automobile glass encapsulation according to any one of claim 10 to 15 is formed.
17. automobile glass encapsulations as claimed in claim 16, it is characterized in that, described automobile glass encapsulation inside has micropore, and the diameter of described micropore is positioned at the scope of 0.01 ~ 1mm.
18. 1 kinds of vehicle windows comprising the automobile glass encapsulation as described in claim 16 or 17.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526383.7A CN103029263B (en) | 2012-12-07 | 2012-12-07 | Adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window |
| PCT/CN2013/088675 WO2014086303A1 (en) | 2012-12-07 | 2013-12-05 | System and method of injection molding, vehicle glass encapsulation and vehicle window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526383.7A CN103029263B (en) | 2012-12-07 | 2012-12-07 | Adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103029263A CN103029263A (en) | 2013-04-10 |
| CN103029263B true CN103029263B (en) | 2016-03-02 |
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| CN201210526383.7A Expired - Fee Related CN103029263B (en) | 2012-12-07 | 2012-12-07 | Adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103029263B (en) |
| WO (1) | WO2014086303A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029263B (en) * | 2012-12-07 | 2016-03-02 | 法国圣戈班玻璃公司 | Adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window |
| CN104647679B (en) * | 2013-11-22 | 2018-07-17 | 法国圣戈班玻璃公司 | Form method, vehicle window and the mold of automobile glass encapsulation |
| CN105291792B (en) * | 2014-07-04 | 2018-03-16 | 法国圣戈班玻璃公司 | The binding structure and injection molding apparatus of glass |
| CN104476855B (en) * | 2014-12-01 | 2016-01-20 | 福耀玻璃工业集团股份有限公司 | A kind of laminated glass with holes |
| CN106184481B (en) * | 2016-07-14 | 2019-04-19 | 上海车功坊智能科技股份有限公司 | A kind of automatic mounting process of vehicle glass frame sealing strip bound edge |
| CN109435644B (en) * | 2018-10-24 | 2021-08-17 | 河北楚恒新能源科技有限公司 | Multi-material composite automobile corner window glass mounting structure and production process |
| CN109366860A (en) * | 2018-11-02 | 2019-02-22 | 北京航玻新材料技术有限公司 | A kind of automation vacuum injection system |
| CN109732842A (en) * | 2018-12-20 | 2019-05-10 | 合肥旭弘塑胶制品有限公司 | A kind of Shooting Technique |
| CN112776294B (en) * | 2019-11-08 | 2022-05-13 | 中创文保科技发展(北京)有限公司 | Preparation process of package and package prepared by using same |
| CN111196005A (en) * | 2020-01-09 | 2020-05-26 | 杨保长 | Injection molding machine for plastic processing |
| FR3121874A1 (en) | 2021-04-16 | 2022-10-21 | Saint-Gobain Glass France | Glazing COMPRISING A profiled bead with foaming AGENT AND A GLUED COVER PIECE AS WELL AS THE PROCESS FOR MANUFACTURING THIS GLAZING |
| CN114571960B (en) * | 2022-02-28 | 2023-10-20 | 福耀玻璃工业集团股份有限公司 | Stud mechanism, corner window assembly, assembly method of corner window assembly and automobile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04353413A (en) * | 1991-05-31 | 1992-12-08 | Aisin Seiki Co Ltd | Manufacture of window glass with molding |
| JP3423054B2 (en) * | 1994-01-21 | 2003-07-07 | 日本板硝子株式会社 | Molding method for resin molding |
| US7481637B2 (en) * | 2004-05-12 | 2009-01-27 | Woodbridge Foam Corporation | Vented mold and method for producing molded article |
| JP5193415B2 (en) * | 2005-04-27 | 2013-05-08 | ベバスト ジャパン株式会社 | Vehicle roof panel |
| CN103029263B (en) * | 2012-12-07 | 2016-03-02 | 法国圣戈班玻璃公司 | Adapted to injection system and injection moulding process, automobile glass encapsulation, vehicle window |
-
2012
- 2012-12-07 CN CN201210526383.7A patent/CN103029263B/en not_active Expired - Fee Related
-
2013
- 2013-12-05 WO PCT/CN2013/088675 patent/WO2014086303A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN103029263A (en) | 2013-04-10 |
| WO2014086303A1 (en) | 2014-06-12 |
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