CN106696236A - LED bulb lamp shell molding process and blow molding mold and device thereof - Google Patents
LED bulb lamp shell molding process and blow molding mold and device thereof Download PDFInfo
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- CN106696236A CN106696236A CN201510440860.1A CN201510440860A CN106696236A CN 106696236 A CN106696236 A CN 106696236A CN 201510440860 A CN201510440860 A CN 201510440860A CN 106696236 A CN106696236 A CN 106696236A
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Abstract
The invention relates to an LED bulb lamp shell molding process. The LED bulb lamp shell molding process comprises the following steps that (1) a blank with an opening is formed in an injection molding manner; (2) the blank molded in the step (1) is moved into a blow molding cavity, high pressure gas is used for conducting blow molding, primary air blowing is firstly carried out, and then secondary air blowing is carried out until the blank is molded into an LED bulb lamp shell; and (3) demolding is carried out. A blow molding mold using the above process comprises an upper blow molding mold body and a lower blow molding mold body, an inner air flue and a main air flue are arranged in the upper blow molding mold body, and the inner air flue air inflow and main air flue air inflow are sequentially arranged in the blow molding process. An LED bulb lamp shell molding device adopting the above blow molding mold comprises a mold table which has a blank molding station, a blow molding forming station and a demolding station; the blank is formed in the blank molding station; blow molding is carried out at the blow molding forming station; finished product demolding is carried out at the demolding station; and the inner air flue, the main air flue and a high pressure gas generation device are connected. By means of the LED bulb lamp shell molding process, the blow molding mold and the LED bulb lamp shell molding device, the product thickness can be even; and meanwhile, generation of sliding block trace lines is avoided to a large extent.
Description
Technical field
The present invention relates to a kind of LEDbulb lamp casing forming technique and realize this kind of mould and device of technique.
Background technology
At present in China LED illumination industry, the moulding process of its bulb lamp shell blows integral molding from injection and blowing split prototype development to note.
Note blows integral molding and is divided into the design of two station types and the design of three station types again, and the design of two station types is general to use horizontal equipment, and the design of three station types is general to use vertical equipment, therefore the mould for using is also variant.General horizontal two station uses two male models totally one master mold, and master mold both sides are respectively injection die cavities and blowing cavity, is rotated by master mold 180 degree and realizes continuously noting to blow being integrally formed；The mould that vertical equipment is used is three upper moulds, two lower moulds, and mould is injection die cavities under the first station, and mould is blowing cavity under the second station, and three upper moulds are identical and 120 rotary indexes are realized that continuous note blows and are integrally formed on rotating disk.This technology forms full ripe technical scheme still in evolution, not.
From the point of view of the aspect comprehensive assessment result such as slave unit reasonable structure, ease-to-operate, production efficiency, product quality, the vertical note of three stations blows that to be integrally formed be the more ripe overall plan of current industry.
Note vertical to three stations blows integrally formed research and finds, the bulb lamp cell-shell that it is produced still can produce meat thickness ununiformity even under current technique, mould, equipment state and obvious sliding block trace line phenomenon, this is also the current common problem of industry, this can cause that final finished has translucency inconsistent at each position and obvious open defect phenomenon when being lit, and then influence user to experience product appearance.
The content of the invention
In order to overcome the shortcomings of the product thickness that existing LEDbulb lamp casing forming technique molded it is uneven, with obvious sliding block trace line, the present invention provide it is a kind of it is plastic go out the thick LEDbulb lamp casing forming technique that is more uniform, largely avoiding sliding block trace line of meat, and this kind of mould and device of technique are realized in offer.
The present invention solve its technical problem technical scheme be：LEDbulb lamp casing forming technique, comprises the following steps：
①
Injection moulding has the idiosome of opening, and the one end away from the opening is the blind end of idiosome；
②
In the idiosome that 1. step is molded being moved into blowing cavity, it is blow molded using gases at high pressure；
③
By the finished product demoulding of blow molding；
Step 2. in, once blown first, gases at high pressure act on the blind end of the idiosome when once being blown, so that the blind end of idiosome is expanded first, but the blind end of idiosome is not touched with the cavity wall of blowing cavity；
Secondary air blowing is carried out after once being blown, from the edge air inlet of idiosome opening during secondary air blowing, until idiosome is shaped to LEDbulb lamp shell.
When secondary air blowing is carried out, gases at high pressure can be also kept to keep acting on the blind end of the idiosome.
Preferably, once blow and the air pressure of secondary air blowing is 2 ~ 6MPa, once to blow and start secondary air blowing after starting 0.2 ~ 0.6 second.
Preferably, once blow and secondary air blowing process continues 6 ~ 12 seconds.
Preferably, step 2. mesohigh gas temperature be 200 ~ 350 DEG C.
Preferably, step 3. in, finished product is blown off the demoulding by being blown in the finished product to blow molding.
A kind of LEDbulb lamp shell blow molding mould of above-mentioned technique, including the upper mould of blowing, the lower mould of blowing, mould includes main airway plate in described blowing, moulding stick is equipped with the main airway plate, the lower end of the moulding stick stretches out described main airway plate and forms bulb, can form the blowing cavity for blow molding under described bulb and described blowing between mould；
Electrically heated rod is provided with described moulding stick, axially arranged liftable air tube is equipped with described electrically heated rod, the lower surface of the bulb is provided with the interior gas port just to the air tube, interior air flue is provided with described moulding stick, described interior air flue and described interior gas port UNICOM, the air tube described in when air tube declines closes described interior gas port, the interior gas port described in when air tube rises is opened；
There is main airway between described moulding stick and described main airway plate, sealing surface is formed between the lower surface of the main airway plate and described moulding stick, described moulding stick is liftably arranged in described main airway plate, so as to sealing surface opening, the sealing face closure when described moulding stick rises between the lower surface of main airway plate and moulding stick when described moulding stick declines between the lower surface of main airway plate and moulding stick.
Further, the fixed cover of pairing is accompanied outside described main airway plate, barb chamber is formed between described fixed cover and described main airway plate, described barb chamber can be respectively at described idiosome die cavity and blowing cavity UNICOM.
Further, the upper end of the air tube is enclosed in one and pushes in air cavity, and described pushing when air cavity is ventilated pushes described air tube；The upper end of the air tube is cased with a spring, can be lifted described air tube in the presence of the spring.
Further, be provided with position sensor under described idiosome between mould and described upper mould, described upper mould with described idiosome during mould matched moulds described in position sensor matched moulds signal transmission is gone out.
Further, through described moulding stick, described interior air flue is formed between described electrically heated rod and moulding stick described electrically heated rod.
Further, the upper surface of the main airway plate offers stroke chamber, and described moulding stick is tightened and is cased with stroke limit block, and described stroke limit block is located in described stroke chamber；The upper end that the top of the main airway plate has moulding stick locating piece, the moulding stick is fixed on described moulding stick locating piece, and the described air cavity that pushes is formed in described moulding stick locating piece, and described moulding stick locating piece is connected with reciprocating drive mechanism.
Further, described moulding stick locating piece includes the moulding stick fixed plate being superimposed upon on described stroke limit block, the positioning sleeve being superimposed upon above the moulding stick fixed plate, the pressing plate being superimposed upon on the positioning sleeve, the described air cavity that pushes is located in described positioning sleeve, described air tube penetrates described pushing in air cavity, described reciprocating drive mechanism is connected with described pressing plate, and described moulding stick is affixed with described moulding stick location-plate.
Further, described spring is stage clip, and described pushing is provided with lifter plate in air cavity, the upper end of the air tube is affixed with described lifter plate, and the upper end of the spring is withstood on described lifter plate, and the lower end of the spring withstands on described pushing on the bottom surface of air cavity；Or：Described spring is extension spring, is provided with the lifter plate that is set on the air tube of fixation in described lower air cylinder, the upper end of the extension spring be connected to it is described push on the top surface of air cavity, the lower end of the extension spring is connected on described lifter plate.
A kind of LEDbulb lamp shell molding device using above-mentioned blow molding mould, including gases at high pressure generating means, die station, have idiosome shaping station, blow molding station, demoulding station in described die station；
The mould in the case where described idiosome shaping station sets idiosome, the mould in the case where described blow molding station sets blowing；
Rotary index mechanism is additionally provided with described die station, described rotary index mechanism is provided with idiosome corresponding with mould under described idiosome mould in mould blowing corresponding with mould under described blowing, mould is identical with the upper mould of blowing on described idiosome；
In described idiosome shaping station：The idiosome die cavity for being molded idiosome, the injection moulding idiosome in described idiosome die cavity can be formed on described idiosome after mould and mould matched moulds under described idiosome, under the bulb of moulding stick lower end and described idiosome between mould；
In described blow molding station：The blowing cavity for blow molding, idiosome blow molding in described blowing cavity can be formed in described blowing after mould and mould matched moulds under described blowing, under the bulb of moulding stick lower end and described blowing between mould；
In described demoulding station：Finished product is blown off the demoulding to being blown in finished product；
Described interior air flue is connected by interior work tracheae with described gases at high pressure generating means, and described main airway is connected by main work tracheae with described gases at high pressure generating means.
Further, what described gases at high pressure generating means was provided with the control lower air pipe break-make gas pushes magnetic valve, described position sensor is connected with the solenoid signal that pushes of the gases at high pressure generating means, described upper mould with described idiosome during mould matched moulds position sensor by matched moulds signal transmission to pushing magnetic valve, instruction it is described push closed electromagnetic valve.
Further, described gases at high pressure generating means is provided with the interior working electromagnet valve for controlling the interior work tracheae break-make gas；Described gases at high pressure generating means is provided with the main working electromagnet valve of the main work tracheae break-make gas described in control.
Further, described gases at high pressure generating means is provided with the timer of work tracheae and main work tracheae duration of ventilation in control, and described timer is connected with described interior working electromagnet valve and main working electromagnet valve signal.
Further, described idiosome shaping station, blow molding station, demoulding station are distributed in described die station；It is additionally provided with mould on the corresponding with described demoulding station the 3rd in described rotary index mechanism, mould is identical with mould on described idiosome, in blowing for mould on the described 3rd.
The beneficial effects of the present invention are：1. when being blow molded, once blown first, once blowing makes
The lower end for obtaining idiosome is expanded first, and secondary air blowing is then carried out again, so as to avoid direct, lasting extruding of the gases at high pressure to the side wall of idiosome, and then may be such that the meat of product is thick more uniform, while also can largely avoid the generation of sliding block trace line.2. heating and thermal insulation is carried out using electrical bar, be different from the technological means in the prior art using the oily heating and thermal insulation of heating, the temperature of electric heating thermal insulation keeps more accurate, so as to reduce otherness.
Brief description of the drawings
Fig. 1 is view of the mould of LEDbulb lamp casing forming technique in the present invention when idiosome is molded.
Fig. 2 is view of the mould of LEDbulb lamp casing forming technique in the present invention when once blowing.
Fig. 3 is view of the mould of LEDbulb lamp casing forming technique in the present invention in secondary air blowing.
Fig. 4 is view of the mould of LEDbulb lamp casing forming technique in the present invention in the demoulding.
Fig. 5 is the structural representation of the device of LEDbulb lamp casing forming technique of the invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment one
LEDbulb lamp casing forming technique, comprises the following steps：1. the idiosome of injection mouldings opening upwards, the one end away from the opening is the blind end of idiosome.
2. the idiosome that 1. be molded step by is moved in blowing cavity, is blow molded using gases at high pressure：Once blown first, gases at high pressure act on the blind end of the idiosome when once being blown, so that the blind end of idiosome is expanded first, but the blind end of idiosome is not touched with the cavity wall of blowing cavity；Secondary air blowing is carried out after once being blown, from the edge air inlet of idiosome opening during secondary air blowing, until idiosome is shaped to LEDbulb lamp shell.When secondary air blowing is carried out, gases at high pressure can be also kept to act on the blind end of idiosome.
Recommend once to blow and the air pressure of secondary air blowing is 2 ~ 6MPa, once blown in the present embodiment and the second air pressure blown is 4 MPa.Above-mentioned air pressure refer to gases at high pressure from gases at high pressure generating means export when air pressure.
Recommend once air blowing to start secondary air blowing after starting 0.2 ~ 0.6 second, once to be blown in the present embodiment and start secondary air blowing after starting 0.4 second.
Recommend once to blow and secondary air blowing process continues 6 ~ 12 seconds, once blown in the present embodiment and secondary air blowing process continues 9 seconds.
Recommend this step 2. mesohigh gas temperature be 200 ~ 350 DEG C, in the present embodiment step 2. mesohigh gas temperature be 300 DEG C.
Certain above-mentioned parameter is the parameter of recommendation, and above-mentioned parameter can be modified in production practices.For example need shaping wall thickness be thicker, larger-size LEDbulb lamp shell when, above-mentioned parameter can respective change, for example gassing time can more long, or air pressure is higher.The adjustment of above-mentioned parameter is those of ordinary skill in the art confirmable according to testing, as long as can reach when once blowing so that the blind end of idiosome expands first but the blind end of idiosome is not touched with the cavity wall of blowing cavity, the purpose of secondary blowing moulding finished product.
3. is by the finished product demoulding of blow molding, and finished product is blown off the demoulding by being blown in the finished product to blow molding generally.
Above-mentioned LEDbulb lamp shell molding device, including gases at high pressure generating means, die station are realized, there is uniform idiosome shaping station, blow molding station, demoulding station in die station.
Described mould includes mould 3 in three identicals, for being molded under the idiosome of idiosome mould 2 under mould 1, the blowing for blow molding.
The mould 1 in the case where described idiosome shaping station sets described idiosome, the mould 2 in the case where described blow molding station sets described blowing.
Rotary index mechanism is additionally provided with described die station, the rotary index mechanism can use rotary indexing table, in described rotary index mechanism, three upper moulds 3 correspond to described idiosome shaping station, blow molding station, demoulding station to the upper mould 3 of described three respectively.
In described idiosome shaping station：Described upper mould 3 forms idiosome die cavity between the two with described idiosome after the matched moulds of mould 1, the injection moulding idiosome 4 in described idiosome die cavity；
In described blow molding station：Blowing cavity, the blow molding in described blowing cavity of idiosome 4 are formed between the two after described upper mould 3 and the 2-in-1 mould of mould under described blowing；
In described demoulding station：Finished product is blown off the demoulding to being blown in finished product；
Described upper mould 3 includes main airway plate 5, moulding stick 6 is equipped with the main airway plate 5, the lower end of the moulding stick 6 stretches out described main airway plate 5 and forms bulb 7, described idiosome die cavity, described bulb 7 can be formed under described bulb 7 and described idiosome between mould 1 and described blowing cavity can be formed under described blowing between mould 2, the fixed cover 8 of pairing is accompanied outside described main airway plate 5, barb chamber is formed between described fixed cover 8 and described main airway plate 5, described barb chamber can be respectively at described idiosome die cavity and blowing cavity UNICOM.
Electrically heated rod 9 is provided with described moulding stick 6, axially arranged liftable air tube 10 is equipped with described electrically heated rod 9, the lower surface of the bulb 7 is provided with the interior gas port 11 just to the air tube 10, interior air flue is provided with described moulding stick 6, through described moulding stick 6, described interior air flue 12 is formed between described electrically heated rod 9 and moulding stick 6 electrically heated rod 9 described in the present embodiment.Described interior air flue 12 and the described UNICOM of interior gas port 11, the air tube 10 described in when air tube 10 declines closes described interior gas port 11, the interior gas port 11 described in when air tube 10 rises is opened.
There is main airway 13 between described moulding stick 6 and described main airway plate 5, sealing surface 14 is formed between the lower surface of the main airway plate 5 and described moulding stick 6, described moulding stick 6 is liftably arranged in described main airway plate 5, so that the sealing surface 14 when described moulding stick 6 declines between the lower surface of main airway plate and moulding stick is opened, the sealing surface 14 when described moulding stick rises between the lower surface of main airway plate and moulding stick is closed.
Described interior air flue 12 is connected by interior work tracheae with described gases at high pressure generating means 25, and described main airway 13 is connected by main work tracheae with described gases at high pressure generating means 25.
When using above-mentioned LEDbulb lamp shell molding device, with in the prior art, in idiosome die cavity injection moulding idiosome 4 is molded under the idiosome 4 for being blow molded, upper mould 3 and idiosome after the matched moulds of mould 1 in idiosome shaping station, and the main body of idiosome 4 is wrapped on the bulb 7 of moulding stick.The barb chamber formed between fixed cover 8 and main airway plate 5 causes that idiosome is capable of achieving idiosome 4 and is fixed on upper mould by a barb after being molded, and when upper mould is moved with rotary index mechanism, idiosome can also be moved.
The upper mould of idiosome shaping station is rotating 120 ° of arrival blow molding stations in the presence of rotary index mechanism after die sinking, under upper mould 3 and blowing at blow molding station after the 2-in-1 mould of mould, air tube 10 rises first, so as to open interior gas port 11, lead to high temperature and high pressure gas in interior air flue 12, high temperature and high pressure gas are blown into idiosome 4 by interior gas port 11, so that the lower end of idiosome 4 is expanded in advance, idiosome 4 is had a plenum space 15 for predilation.
After the completion of the lower end expansion of idiosome, moulding stick 6 declines, so as to the sealing surface 14 between main airway plate and moulding stick is opened, lead to high temperature and high pressure gas in main airway 13, high temperature and high pressure gas are blown into idiosome by the gap between main airway plate 5 and moulding stick 6, until idiosome blow molding is finished product LEDbulb lamp shell 16.
Molded after the completion of blow molding, the upper mould of blow molding station is rotating 120 ° of arrival demoulding stations in the presence of rotary index mechanism, mould is not descended in demoulding station, now the fixed cover 8 of pairing is separated to both sides, so that the first demoulding of product barb 17 in barb chamber, afterwards again by interior air flue 12 and/or main airway 13 to blowing normal temperature high voltage gas in product, the finished product of shaping is blown off the demoulding.
Gases at high pressure generating means blow high temperature and high pressure gas and blow normal temperature high voltage gas between conversion be existing gases at high pressure generating means routine techniques, will not be repeated here.
The uniform setting of idiosome shaping station, blow molding station, demoulding station in the present embodiment, and using the setting of three phases ibid mould, may be such that device of the invention continuously runs, improve production efficiency.
The lifting of air tube can be realized using following frame mode：The upper end of the air tube 10 is enclosed in one and pushes in air cavity 18, and the described air cavity 18 that pushes is connected with described gases at high pressure generating means by lower air pipe, and described lower air pipe pushes described air tube 10 when ventilating.In the normal state, tracheal strips normal open gases at high pressure are pushed, the pressed status of air tube 10 are kept, air tube 10 closes interior gas port 11.Under described idiosome position sensor is provided between mould 2 and described upper mould 3, position sensor described in during 2-in-1 with mould under the described idiosome mould of described upper mould 3 is by matched moulds signal transmission to described gases at high pressure generating means, the gases at high pressure that described gases at high pressure generating means disconnects lower air pipe are passed through, and the upper end of the air tube is cased with a spring 19, in the case where gases at high pressure disconnect, described air tube 10 is lifted in the presence of the spring 19, so as to open interior gas port 11.The specific control mode of the lower air pipe break-make gas of position sensor control can use solenoid valve control：What described gases at high pressure generating means was provided with the control lower air pipe break-make gas pushes magnetic valve, described position sensor is connected with the solenoid signal that pushes of the gases at high pressure generating means, during described upper mould 3 2-in-1 with mould under described idiosome mould position sensor by matched moulds signal transmission to pushing magnetic valve, instruction it is described push closed electromagnetic valve.
In the present embodiment, the lifting of moulding stick 6 can be realized using following frame mode：The upper surface of the main airway plate 5 offers stroke chamber, and described moulding stick is tightened and is cased with stroke limit block 20, and described stroke limit block 20 is located in described stroke chamber；The upper end that the top of the main airway plate 5 has moulding stick locating piece, the moulding stick 6 is fixed on described moulding stick locating piece, and the described air cavity 18 that pushes is formed in described moulding stick locating piece, and described moulding stick locating piece is connected with reciprocating drive mechanism.Drive moulding stick locating piece to decline by reciprocating drive mechanism, the stroke of decline can be controlled in stroke chamber by stroke limit block 20, also by reciprocating drive mechanism moulding stick locating piece can be driven to go up, so as to drive moulding stick 6 to lift by moulding stick locating piece.Reciprocating drive mechanism can be using the equipment such as hydraulic cylinder.The concrete composition of moulding stick locating piece can be in the following way：The moulding stick locating piece includes the moulding stick fixed plate 21 being superimposed upon on described stroke limit block 20, the positioning sleeve 22 for being superimposed upon the top of the moulding stick fixed plate 21, the pressing plate 23 being superimposed upon on the positioning sleeve 22, the described air cavity 18 that pushes is located in described positioning sleeve 22, described air tube 10 penetrates described pushing in air cavity 18, described reciprocating drive mechanism is connected with described pressing plate 23, and described moulding stick is affixed with described moulding stick location-plate.
The spring 19 of above-mentioned drive air tube lifting can be stage clip, or extension spring.When described spring 19 is stage clip, described pushing be provided with air cavity lifter plate 24, the upper end of the air tube 10 is affixed with described lifter plate 24, and the upper end of the spring 19 is withstood on described lifter plate 24, and the lower end of the spring 19 withstands on described pushing on the bottom surface of air cavity 18；When described spring is extension spring, be provided with the lifter plate that is set on the air tube of fixation in described lower air cylinder, the upper end of the extension spring be connected to it is described push on the top surface of air cavity, the lower end of the extension spring is connected on described lifter plate.
In the present embodiment, described gases at high pressure generating means is provided with the interior working electromagnet valve for controlling the interior work tracheae break-make gas, and the break-make gas of interior work tracheae is controlled by the interior working electromagnet valve；Described gases at high pressure generating means is provided with the main working electromagnet valve of the main work tracheae break-make gas described in control, the break-make gas of the main work tracheae of solenoid valve control of being looked for a job by the master.The timer of work tracheae and main work tracheae duration of ventilation in control can be also set on described gases at high pressure generating means, described timer is connected with described interior working electromagnet valve and main working electromagnet valve signal, by working electromagnet valve in Timer Controlling and the make-and-break time of main working electromagnet valve.
Embodiment two
Once blown in the present embodiment and the second air pressure blown is 2MPa.Above-mentioned air pressure refer to gases at high pressure from gases at high pressure generating means export when air pressure.
Once to be blown in the present embodiment and start secondary air blowing after starting 0.5 second.
Once blown in the present embodiment and secondary air blowing process continues 8 seconds.
In the present embodiment step 2. mesohigh gas temperature be 280 DEG C.
Remaining implementation method is identical with embodiment one.
Embodiment three
Once blown in the present embodiment and the second air pressure blown is 6MPa.Above-mentioned air pressure refer to gases at high pressure from gases at high pressure generating means export when air pressure.
Once to be blown in the present embodiment and start secondary air blowing after starting 0.3 second.
Once blown in the present embodiment and secondary air blowing process continues 12 seconds.
In the present embodiment step 2. mesohigh gas temperature be 200 DEG C.
Remaining implementation method is identical with embodiment one.
Example IV
Once blown in the present embodiment and the second air pressure blown is 3MPa.Above-mentioned air pressure refer to gases at high pressure from gases at high pressure generating means export when air pressure.
Once to be blown in the present embodiment and start secondary air blowing after starting 0.2 second.
Once blown in the present embodiment and secondary air blowing process continues 10 seconds.
In the present embodiment step 2. mesohigh gas temperature be 350 DEG C.
Remaining implementation method is identical with embodiment one.
Embodiment five
Once blown in the present embodiment and the second air pressure blown is 5MPa.Above-mentioned air pressure refer to gases at high pressure from gases at high pressure generating means export when air pressure.
Once to be blown in the present embodiment and start secondary air blowing after starting 0.6 second.
Once blown in the present embodiment and secondary air blowing process continues 6 seconds.
In the present embodiment step 2. mesohigh gas temperature be 250 DEG C.
Remaining implementation method is identical with embodiment one.
Claims (19)
1.LED bulb lamp casing forming techniques, comprise the following steps：
Injection moulding has the idiosome of opening, and the one end away from the opening is the blind end of idiosome；
In the idiosome that 1. step is molded being moved into blowing cavity, it is blow molded using gases at high pressure；
By the finished product demoulding of blow molding；
It is characterized in that：Step 2. in, once blown first, when once being blown gases at high pressure make
For the blind end of the idiosome, so that the blind end of idiosome is expanded first, but the blind end of idiosome is not touched with the cavity wall of blowing cavity；
Secondary air blowing is carried out after once being blown, from the edge air inlet of idiosome opening during secondary air blowing, until idiosome is shaped to LEDbulb lamp shell.
2. LEDbulb lamp casing forming technique as claimed in claim 1, it is characterised in that：When secondary air blowing is carried out, gases at high pressure are kept to act on the blind end of the idiosome.
3. LEDbulb lamp casing forming technique as claimed in claim 1, it is characterised in that：Once blow and the air pressure of secondary air blowing is 2 ~ 6MPa, once to blow and start secondary air blowing after starting 0.2 ~ 0.6 second.
4. LEDbulb lamp casing forming technique as claimed in claim 3, it is characterised in that：Once blow and secondary air blowing process continues 6 ~ 12 seconds.
5. such as one of claim 1 ~ 4 described LEDbulb lamp casing forming technique, it is characterised in that：Step 2. mesohigh gas temperature be 200 ~ 350 DEG C.
6. such as one of claim 1 ~ 4 described LEDbulb lamp casing forming technique, it is characterised in that：Step 3. in, finished product is blown off the demoulding by being blown in the finished product to blow molding.
7. one kind is used for the LEDbulb lamp shell blow molding mould of one of the claim 1 ~ 6 LEDbulb lamp casing forming technique, including the upper mould of blowing, the lower mould of blowing, mould includes main airway plate in described blowing, moulding stick is equipped with the main airway plate, the lower end of the moulding stick stretches out described main airway plate and forms bulb, can form the blowing cavity for blow molding under described bulb and described blowing between mould；
It is characterized in that：Electrically heated rod is provided with described moulding stick, axially arranged liftable air tube is equipped with described electrically heated rod, the lower surface of the bulb is provided with the interior gas port just to the air tube, interior air flue is provided with described moulding stick, described interior air flue and described interior gas port UNICOM, the air tube described in when air tube declines closes described interior gas port, the interior gas port described in when air tube rises is opened；
There is main airway between described moulding stick and described main airway plate, sealing surface is formed between the lower surface of the main airway plate and described moulding stick, described moulding stick is liftably arranged in described main airway plate, so as to sealing surface opening, the sealing face closure when described moulding stick rises between the lower surface of main airway plate and moulding stick when described moulding stick declines between the lower surface of main airway plate and moulding stick.
8. LEDbulb lamp shell blow molding mould as claimed in claim 7, it is characterised in that：The fixed cover of pairing is accompanied outside described main airway plate, barb chamber is formed between described fixed cover and described main airway plate, described barb chamber can be respectively at described idiosome die cavity and blowing cavity UNICOM.
9. LEDbulb lamp casing forming mould as claimed in claim 7 or 8, it is characterised in that：The upper end of the air tube is enclosed in one and pushes in air cavity, and described pushing when air cavity is ventilated pushes described air tube；
The upper end of the air tube is cased with a spring, can be lifted described air tube in the presence of the spring.
10. LEDbulb lamp shell blow molding mould as claimed in claim 7 or 8, it is characterised in that：Be provided with position sensor under described idiosome between mould and described upper mould, described upper mould with described idiosome during mould matched moulds described in position sensor matched moulds signal transmission is gone out.
11. LEDbulb lamp shell blow molding moulds as claimed in claim 7 or 8, it is characterised in that：Through described moulding stick, described interior air flue is formed between described electrically heated rod and moulding stick described electrically heated rod.
12. LEDbulb lamp shell blow molding moulds as claimed in claim 9, it is characterised in that：The upper surface of the main airway plate offers stroke chamber, and described moulding stick is tightened and is cased with stroke limit block, and described stroke limit block is located in described stroke chamber；
The upper end that the top of the main airway plate has moulding stick locating piece, the moulding stick is fixed on described moulding stick locating piece, and the described air cavity that pushes is formed in described moulding stick locating piece, and described moulding stick locating piece is connected with reciprocating drive mechanism.
13. LEDbulb lamp shell blow molding moulds as claimed in claim 12, it is characterised in that：Described moulding stick locating piece includes the moulding stick fixed plate being superimposed upon on described stroke limit block, the positioning sleeve being superimposed upon above the moulding stick fixed plate, the pressing plate being superimposed upon on the positioning sleeve, the described air cavity that pushes is located in described positioning sleeve, described air tube penetrates described pushing in air cavity, described reciprocating drive mechanism is connected with described pressing plate, and described moulding stick is affixed with described moulding stick location-plate.
14. LEDbulb lamp shell blow molding moulds as claimed in claim 13, it is characterised in that：Described spring is stage clip, and described pushing is provided with lifter plate in air cavity, the upper end of the air tube is affixed with described lifter plate, and the upper end of the spring is withstood on described lifter plate, and the lower end of the spring withstands on described pushing on the bottom surface of air cavity；
Or：Described spring is extension spring, is provided with the lifter plate that is set on the air tube of fixation in described lower air cylinder, the upper end of the extension spring be connected to it is described push on the top surface of air cavity, the lower end of the extension spring is connected on described lifter plate.
A kind of 15. LEDbulb lamp shell molding devices using such as one of right 7 ~ 14 blow molding mould, including gases at high pressure generating means, die station, have idiosome shaping station, blow molding station, demoulding station in described die station；
The mould in the case where described idiosome shaping station sets idiosome, the mould in the case where described blow molding station sets blowing；
It is characterized in that：Rotary index mechanism is additionally provided with described die station, described rotary index mechanism is provided with idiosome corresponding with mould under described idiosome mould in mould blowing corresponding with mould under described blowing, mould is identical with the upper mould of blowing on described idiosome；
In described idiosome shaping station：The idiosome die cavity for being molded idiosome, the injection moulding idiosome in described idiosome die cavity can be formed on described idiosome after mould and mould matched moulds under described idiosome, under the bulb of moulding stick lower end and described idiosome between mould；
In described blow molding station：The blowing cavity for blow molding, idiosome blow molding in described blowing cavity can be formed in described blowing after mould and mould matched moulds under described blowing, under the bulb of moulding stick lower end and described blowing between mould；
In described demoulding station：Finished product is blown off the demoulding to being blown in finished product；
Described interior air flue is connected by interior work tracheae with described gases at high pressure generating means, and described main airway is connected by main work tracheae with described gases at high pressure generating means.
16. LEDbulb lamp shell molding devices as claimed in claim 15, it is characterised in that：What described gases at high pressure generating means was provided with the control lower air pipe break-make gas pushes magnetic valve, described position sensor is connected with the solenoid signal that pushes of the gases at high pressure generating means, described upper mould with described idiosome during mould matched moulds position sensor by matched moulds signal transmission to pushing magnetic valve, instruction it is described push closed electromagnetic valve.
17. LEDbulb lamp shell molding devices as claimed in claim 15, it is characterised in that：Described gases at high pressure generating means is provided with the interior working electromagnet valve for controlling the interior work tracheae break-make gas；
Described gases at high pressure generating means is provided with the main working electromagnet valve of the main work tracheae break-make gas described in control.
18. LEDbulb lamp shell molding devices as claimed in claim 17, it is characterised in that：Described gases at high pressure generating means is provided with the timer of work tracheae and main work tracheae duration of ventilation in control, and described timer is connected with described interior working electromagnet valve and main working electromagnet valve signal.
19. LEDbulb lamp shell molding devices as claimed in claim 15, it is characterised in that：Described idiosome shaping station, blow molding station, demoulding station are distributed in described die station；
It is additionally provided with mould on the corresponding with described demoulding station the 3rd in described rotary index mechanism, mould is identical with mould on described idiosome, in blowing for mould on the described 3rd.
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| CN201510440860.1A CN106696236B (en) | 2015-07-25 | 2015-07-25 | LED bulb lamp shell forming process and blow molding mold and forming device thereof |
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| CN201510440860.1A CN106696236B (en) | 2015-07-25 | 2015-07-25 | LED bulb lamp shell forming process and blow molding mold and forming device thereof |
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| CN106696236B CN106696236B (en) | 2019-12-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187002A (en) * | 2017-06-09 | 2017-09-22 | 厦门普拉米达光电科技有限公司 | A kind of full angle LED plastic balls lampshade manufacture craft |
| CN114261079A (en) * | 2021-08-25 | 2022-04-01 | 东莞市博发光电科技有限公司 | Preparation method of PC plastic material lamp housing of G40 standard E12 lamp cap |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1177809A (en) * | 1997-09-16 | 1999-03-23 | Sumitomo Heavy Ind Ltd | Method for double-layer injection blow molding |
| US20100314808A1 (en) * | 2009-06-12 | 2010-12-16 | Chuang Sheng-Yi | Method for manufacturing lamp shell |
| CN102958672A (en) * | 2010-06-04 | 2013-03-06 | 韩政旭 | Blower type injection mold for light diffusing polycarbonate, and injection method |
| CN203937173U (en) * | 2014-07-21 | 2014-11-12 | 任金瑞 | A kind of die head of making spherical poly-carbon lampshade |
| TW201501907A (en) * | 2013-02-15 | 2015-01-16 | Toyo Seikan Group Holdings Ltd | Method for manufacturing synthetic resin container |
| CN205167516U (en) * | 2015-07-25 | 2016-04-20 | 公牛集团有限公司 | Blowing forming die and forming device of LED ball bubble lamp body |
-
2015
- 2015-07-25 CN CN201510440860.1A patent/CN106696236B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1177809A (en) * | 1997-09-16 | 1999-03-23 | Sumitomo Heavy Ind Ltd | Method for double-layer injection blow molding |
| US20100314808A1 (en) * | 2009-06-12 | 2010-12-16 | Chuang Sheng-Yi | Method for manufacturing lamp shell |
| CN102958672A (en) * | 2010-06-04 | 2013-03-06 | 韩政旭 | Blower type injection mold for light diffusing polycarbonate, and injection method |
| TW201501907A (en) * | 2013-02-15 | 2015-01-16 | Toyo Seikan Group Holdings Ltd | Method for manufacturing synthetic resin container |
| CN203937173U (en) * | 2014-07-21 | 2014-11-12 | 任金瑞 | A kind of die head of making spherical poly-carbon lampshade |
| CN205167516U (en) * | 2015-07-25 | 2016-04-20 | 公牛集团有限公司 | Blowing forming die and forming device of LED ball bubble lamp body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187002A (en) * | 2017-06-09 | 2017-09-22 | 厦门普拉米达光电科技有限公司 | A kind of full angle LED plastic balls lampshade manufacture craft |
| CN107187002B (en) * | 2017-06-09 | 2019-05-17 | 厦门普拉米达光电科技有限公司 | A kind of full angle LED plastic ball lampshade manufacture craft |
| CN114261079A (en) * | 2021-08-25 | 2022-04-01 | 东莞市博发光电科技有限公司 | Preparation method of PC plastic material lamp housing of G40 standard E12 lamp cap |
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| CN106696236B (en) | 2019-12-20 |
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