CN107139390A

CN107139390A - A kind of three color button Shooting Techniques

Info

Publication number: CN107139390A
Application number: CN201710323949.9A
Authority: CN
Inventors: 严胜义; 方建中; 胡光良
Original assignee: Wenzhou Changjiang Automobile Electronic System Co Ltd
Current assignee: Wenzhou Changjiang Automobile Electronic System Co Ltd
Priority date: 2017-05-08
Filing date: 2017-05-08
Publication date: 2017-09-08

Abstract

The present invention relates to a kind of three colors button Shooting Technique, including successively the step of it is as follows：S1：Mold for the first time, S2：An Mo, S3：First time matched moulds, S4：First color is molded, S5：Second of die sinking and matched moulds, S6：Second color and the injection of the 3rd color, S7：Blanking, S8：Subsequent treatment, S9：Spray painting laser carving, S10：Light conductor is installed.The three colors button Shooting Technique yields is high, and production efficiency is high, and the second color and the 3rd color of product are merged, and water proof and dust proof effect is good, good appearance and using effect is excellent.

Description

A kind of three color button Shooting Techniques

Technical field

The present invention relates to a kind of three colors button Shooting Technique, belong to injection production technology field.

Background technology

With the steep increasing of automobile consumption in recent years, its outward appearance changes money and become more in the past more frequently, outside corresponding Injection moulded part See and require that also more and more higher and color addition are also more and more universal.Under this demand, new Shooting Technique and technology is opened in succession Hair and application, compared to traditional rubber-coating module technology, double-colored, three color injection molding technologies are combined in presentation quality, the outward appearance of product Advantage in stability and production efficiency is more highlighted, therefore double-colored, three color injection molding technologies have obtained relatively more widely pushing away in the past Wide and application.

But existing three colors injection there are problems that：First, the second color and the 3rd color are bonded loosely when part is molded Gu, part usually stress Cracking Failure, it is impossible to play a part of water proof and dust proof well；2nd, the second color and the 3rd color plastics There is obvious offset at melt fusion, obvious offset can not be completely covered by after spray painting, have a strong impact on outward appearance and using effect Really；3rd, many three colors usually need the demoulding after being moulded in the shaping of the first color in existing, then carry out follow-up cast, so compare It is cumbersome, and production cost input is larger, part yields is relatively low, does not possess market competition advantage, need to improve optimization.

The content of the invention

In order to solve the above-mentioned technical problem, the present invention provides a kind of three colors button Shooting Technique, three colors button injection work Skill yields is high, and production efficiency is high, and the second color and the 3rd color of product are merged, and water proof and dust proof effect is good, good appearance and makes Use excellent effect.

Technical scheme is as follows：

A kind of three color button Shooting Techniques, step is as follows：

S1：Mold for the first time：Using a kind of press and mould, the mould is included after two the first rear molds of identical and second Mould before mould and second before mould and two different first, first rear mold and the second rear mold Central Symmetry are arranged at a rotating disk On, mould can be moved up and down before mould and second before first, and the press is used to provide pressure；

S2：An Mo：By above-mentioned mould installion on three color injection machines；

S3：First time matched moulds：Mould moves down conjunction corresponding with the first rear mold and the second rear mold respectively before mould and second before first Mould；

S4：First color is molded：First coloring agent is passed through mould and the die cavity of the first rear mold, shape before first by the three colors injection machine Into the first color formed body；

S5：Second of die sinking and matched moulds：Mould is moved up before mould and second before the press control first, and rotating disk is rotated, and is made Obtain before moving to second with the first rear mold of formed first color formed body below mould, before described first before mould and second under mould Move so that mould and the corresponding matched moulds of the first rear mold before second.

S6：Second color and the injection of the 3rd color：The three colors injection machine is by the second coloring agent and the 3rd coloring agent while and adopting respectively Entered to pour passage with different and flowed into before second between mould and the first rear mold, using the first color formed body as substrate, complete the second color and The fusion of 3rd color, forms three color buttons；

S7：Blanking：Three color buttons of completion are taken out out of mould；

S8：Subsequent treatment：Three color buttons of shaping are put into baking box and toasted 2-4 hours；

S9：Spray painting laser carving：Painted and laser carving in three color button upper surfaces；

S10：Light conductor is installed：Light conductor is assembled in three color buttons.

Wherein, above-mentioned steps S4 is comprised the following steps that：

S4-1：The material temperature of first coloring agent is promoted to 300 degrees Celsius；

S4-2：Mould and the die cavity of the first rear mold before first coloring agent injection first, the filling time are 1.14 seconds；

S4-3：Pressurize, press make it that the pressure before first between mould and the first rear mold is 50MPa, and the retention time is 2.3 Second, then caused pressure to be gradually decrease to 0MPa by 2.18 seconds.

Wherein, above-mentioned steps S6 is comprised the following steps that：

S6-1：Now, the mould temperature of mould before second is controlled to 110 degrees Celsius；

S6-2：The material temperature of second coloring agent and the 3rd coloring agent is promoted to 300 degrees Celsius respectively；

S6-3：First color formed body is provided with cut-off muscle and boss in the second color and the 3rd color intersection, the second coloring agent and 3rd coloring agent is poured into a mould simultaneously, and be respectively adopted it is different enter to pour passage from cut-off muscle and boss both sides flow into second before mould and first Between rear mold, gradually merge, the filling time is 0.85 second；

S6-4：Pressurize, press make it that the pressure before second between mould and the first rear mold is 65MPa, and the filling time is 4.0 Second, then caused pressure to be gradually decrease to 0MPa by 1.8 seconds.

Wherein, the first color of the three colors injection machine enters glue, second color and using the thin template die spot pouring mouth of the mouth of a river three Three colors turn sub-marine gate with the thin template die spot pouring mouth of the mouth of a river three and enter to pour.

Wherein, the injection pressure of the first color of the three colors injection machine and the 3rd color is 2680kg/cm², second color penetrates Go out pressure for 2500kg/cm²。

The present invention has the advantages that：

1st, yields of the present invention is high, and production efficiency is high, and the second color and the 3rd color of product are merged, water proof and dust proof effect It is good, good appearance and using effect is excellent.

2nd, the present invention ensures the cut-off muscle and boss on product quality, the first color formed body by the multiple working procedure of setting Enable to the second color and the 3rd color preferably to merge, and pass through the various parameters of three color injection machines, such as temperature and filling The control of time, and press control pressure value so that more preferably, colour mixture, bright print and bulge will not occur for overall fusion effect Problem, water proof and dust proof effect more preferably, can so extend the service life for the electric conductor being arranged in three color buttons, so that The three color buttons produced are more attractive more robust.

3rd, the present invention is provided with subsequent treatment process, and three color buttons of shaping are put into baking box and toast hour, to eliminate Product internal stress, prevents product from ftractureing so that product quality is more excellent.

4th, the present invention is provided with rotating disk, and rotating disk, which is rotated, drives the first rear mold and the second rear mold to rotate, and accelerates speed of production.

5th, inventive die is relatively simple for structure, and the accuracy of manufacture and technological requirement are relatively low, and cost is relatively low；Can be once Shaping, greatlys save injection production cost, and injection molding qualification rate is high；The unstable risk of rear process assembling quality is evaded (leak and open defect), improves button quality.

Brief description of the drawings

Fig. 1 is mould structure schematic diagram of the invention；

Fig. 2 is the structural representation of the three color injection machines of the present invention；

Fig. 3 is the structural representation of the first color formed body of the present invention；

Fig. 4 is the structural representation of the three color buttons of the present invention.

Reference is expressed as in figure：

Mould, 2- rotating disks, the colors of 3- tri- before mould, 14- second before 1- moulds, the rear molds of 11- first, the rear molds of 12- second, 13- first Injection machine, the first colors of 4- formed body, 41- cut-offs muscle, 42- boss, the color buttons of 5- tri-.

Embodiment

The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings.

Referring to Fig. 1-4, a kind of three colors button Shooting Technique, its step is as follows：

S1：Mold for the first time：Using a kind of press and mould 1, the mould 1 includes two the first rear molds of identical 11 and the Mould 14, the Central Symmetry of 11 and second rear mold of the first rear mold 12 before mould 13 and second before two rear molds 12 and two different first It is arranged on a rotating disk 2, mould 14 can be moved up and down before mould 13 and second before first, the press is used to provide pressure；

S2：An Mo：Above-mentioned mould 1 is arranged on three color injection machines 3；First color of the three colors injection machine 3 is using thin The template die spot pouring mouth of the mouth of a river three enters glue, and second color and the 3rd color turn sub-marine gate with the thin template die spot pouring mouth of the mouth of a river three and enter to pour； First color of the three colors injection machine 3 and the injection pressure of the 3rd color are 2680kg/cm², the injection pressure of the second color is 2500kg/cm²；First color uses dark-coloured stocks, and the second color uses the raw material of bright color, and the 3rd color uses Transparent color raw material；

S3：First time matched moulds：Mould 14 is moved down before mould 13 and second before the press control first so that the He of mould 13 before first Mould 14 is corresponding with the first rear mold 11 and the second rear mold 12 respectively before second；

S4：First color is molded：First coloring agent is passed through the mould of the rear mold 11 of mould 13 and first before first by the three colors injection machine 3 Chamber, forms the first color formed body 4, comprises the following steps that；

S4-2：The die cavity of the rear mold 11 of mould 13 and first before first coloring agent injection first, the filling time is 1.14 seconds；

S4-3：Pressurize, press causes pressure before first between the rear mold 11 of mould 13 and first to be 50MPa, and the retention time is 2.3 seconds, then caused pressure to be gradually decrease to 0MPa by 2.18 seconds；Pressurize prevents what product from shrinking, and production is also relatively more steady It is fixed, the size of product size can also be adjusted, and weld bond is less prone to, and it is recessed, overlap and buckling deformation；

S5：Second of die sinking and matched moulds：Mould 14 is moved up before mould 13 and second before the press control first, 2 turns of rotating disk It is dynamic so that the lower section of mould 14 before moving to second with the first rear mold 11 of formed first color formed body 4, the press control first Mould 14 is moved down before preceding mould 13 and second so that the corresponding matched moulds of 14 and first rear mold of mould 11 before second.

S6：Second color and the injection of the 3rd color：The three colors injection machine 3 is by the second coloring agent and the 3rd coloring agent while and adopting respectively Enter to pour before passage flows into second between the rear mold 13 of mould 14 and first with different, be substrate with the first color formed body 4, complete second The fusion of color and the 3rd color, forms three color buttons 5；Comprise the following steps that：

S6-1：The mould temperature of mould 14 is to 110 degrees Celsius before control second；So cause product welding line position flow front temperature Degree is higher, so that welding line strength is preferable；

S6-3：First color formed body 4 is provided with cut-off muscle 41 and boss 42, the second color in the second color and the 3rd color intersection Glue and the 3rd coloring agent are poured into a mould simultaneously, and are respectively adopted and different are entered to pour passage before cut-off muscle 41 and the both sides of boss 42 flow into second Between the rear mold 11 of mould 14 and first, gradually merge, the filling time is 0.85 second；

S6-4：Pressurize, press causes pressure before second between the rear mold 11 of mould 14 and first to be 65MPa, and the filling time is 4.0 seconds, then caused pressure to be gradually decrease to 0MPa by 1.8 seconds；Pressurize prevents what product from shrinking, and production is also relatively more steady It is fixed, the size of product size can also be adjusted, and weld bond is less prone to, and it is recessed, overlap and buckling deformation；

S7：Blanking：Three color buttons 5 of completion are taken out out of mould 1；

S8：Subsequent treatment：Three color buttons 5 of shaping are put into baking box and toasted 2-4 hours, to eliminate product internal stress, Prevent product from ftractureing, extend the service life of product；

S9：Spray painting laser carving：Painted and laser carving in the upper surface of three color button 5, required symbol and word are enclosed；So that The profile of three color button 5 is more attractive, also can suitably modify the fewer defects of the second color and the fusion of the 3rd color；

S10：Light conductor is installed：Light conductor is assembled in three color buttons 5, the light of light conductor can by the 3rd color Transparent color In appear.

Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims

1. a kind of three colors button Shooting Technique, it is characterised in that：Step is as follows,

S1：Mold for the first time：Using a kind of press and mould (1), the mould (1) include two the first rear molds of identical (11) and Mould (14) before mould (13) and second, first rear mold (11) and the second rear mold before second rear mold (12) and two different first (12) Central Symmetry is arranged on a rotating disk (2), and mould (14) can be moved up and down before mould (13) and second before first, and the press is used In offer pressure；

S2：An Mo：By above-mentioned mould installion on three color injection machines (3)；

S3：First time matched moulds：Before first before mould (13) and second mould (14) move down respectively with the first rear mold (11) and the second rear mold (12) corresponding matched moulds；

S4：First color is molded：First coloring agent is passed through mould before first (13) and the first rear mold (11) by the three colors injection machine (3) Die cavity, forms the first color formed body (4)；

S5：Second of die sinking and matched moulds：Mould (14) is moved up before mould (13) and second before the press control first, rotating disk (2) Rotate so that before moving to second with the first rear mold (11) of formed first color formed body (4) below mould (14), described first Mould (14) is moved down before preceding mould (13) and second so that mould (14) and the first rear mold (11) corresponding matched moulds before second.

S6：Second color and the injection of the 3rd color：The three colors injection machine (3) is by the second coloring agent and the 3rd coloring agent while and being respectively adopted The different passages that enter to pour are flowed into before second between mould (14) and the first rear mold (13), with the first color formed body (4) for substrate, are completed The fusion of second color and the 3rd color, forms three color buttons (5)；

S7：Blanking：Three color buttons (5) of completion are taken out out of mould (1)；

S8：Subsequent treatment：Three color buttons (5) of shaping are put into baking 2-4 hours in baking box；

S9：Spray painting laser carving：Painted and laser carving in three color button (5) upper surfaces；

S10：Light conductor is installed：Light conductor is assembled in three color buttons (5).

2. three colors button Shooting Technique according to claim 1, it is characterised in that：Above-mentioned steps S4 specific steps are such as Under：

S4-2：Mould (13) and the die cavity of the first rear mold (11) before first coloring agent injection first, the filling time are 1.14 seconds；

S4-3：Pressurize, press causes pressure between mould before first (13) and the first rear mold (11) to be 50MPa, and the retention time is 2.3 seconds, then caused pressure to be gradually decrease to 0MPa by 2.18 seconds.

3. three colors button Shooting Technique according to claim 2, it is characterised in that：Above-mentioned steps S6 specific steps are such as Under：

S6-1：Now, the mould temperature of mould (14) before second is controlled to 110 degrees Celsius；

S6-3：First color formed body (4) is provided with cut-off muscle (41) and boss (42), second in the second color and the 3rd color intersection Coloring agent and the 3rd coloring agent are poured into a mould simultaneously, and are respectively adopted and different are entered to pour passages from the inflow of cut-off muscle (41) and boss (42) both sides Before second between mould (14) and the first rear mold (11), gradually merge, the filling time is 0.85 second；

S6-4：Pressurize, press causes pressure between mould before second (14) and the first rear mold (11) to be 65MPa, and the filling time is 4.0 seconds, then caused pressure to be gradually decrease to 0MPa by 1.8 seconds.

4. the three color button Shooting Techniques according to any claim in claim 1-3, it is characterised in that：Three color First color of injection machine (3) enters glue using the thin template die spot pouring mouth of the mouth of a river three, and second color and the 3rd color are with the thin template die of the mouth of a river three Spot pouring mouth turns sub-marine gate and enters to pour.

5. the three color button Shooting Techniques according to any claim in claim 1-3, it is characterised in that：Three color First color of injection machine (3) and the injection pressure of the 3rd color are 2680kg/cm², the injection pressure of the second color is 2500kg/cm²。