CN101513763A - Processing procedures for cutting membrane in mold - Google Patents
Processing procedures for cutting membrane in mold Download PDFInfo
- Publication number
- CN101513763A CN101513763A CNA2008100079573A CN200810007957A CN101513763A CN 101513763 A CN101513763 A CN 101513763A CN A2008100079573 A CNA2008100079573 A CN A2008100079573A CN 200810007957 A CN200810007957 A CN 200810007957A CN 101513763 A CN101513763 A CN 101513763A
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- module
- film
- mold
- die cavity
- processing procedures
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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
- B29C45/1418—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 inserts being deformed or preformed, e.g. by the injection pressure
- B29C45/14221—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 inserts being deformed or preformed, e.g. by the injection pressure by tools, e.g. cutting means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to processing procedures for cutting a membrane in a mold, which are characterized by comprising the following steps: firstly, providing the mold and a projecting machine, wherein the mold comprises a first module, a second module, and a cutting blade piece arranged on the first module; secondly, providing the membrane, wherein the membrane is arranged on the second module of the mold; thirdly, performing the closure of the first module and the second module of the mold to form a die cavity, and making the cutting blade piece supported against the membrane; running the projecting machine to inject plastic into the die cavity of the mold, and making the plastic combined with the membrane; and finally, performing opening mold operation, performing the opening and the separation of the first module and the second module, and obtaining a finished product. The processing procedures have the advantages of saving a great amount of manpower, time and equipment cost and improving the production efficiency, the aesthetic property, the delicacy and the economic value of the finished product.
Description
Technical field
The present invention is relevant with mould inner surface decoration technique, is meant a kind of processing procedures for cutting membrane in mold especially.
Background technology
For pursuing the high accuracy and the high-quality of plastic, traditional plastic processing technology can't satisfy the epoch demand, therefore various incrustation processing procedures in response to and give birth to, common processing procedure is for to insert a decorating film in the mould, and after the mould closure, carries out plastics and penetrate, make these plastics and this thin film connecting shaping, thus, the finished surface after the demoulding is coated with decorating film, thereby promotes the aesthetic property and the practicality of finished product.
But, because film need heat in mould and molding manufacture procedure, therefore, the film periphery all is reserved with significantly burr, with the amount of contraction of absorbing membrane in the stereo shaping and the back generation of being heated, finished product 1 after the tradition demoulding as shown in Figure 1, its periphery 1a still leaves significantly film burr 2, must cut and the finishing program through follow-up burr 2 again, just can reach required aesthetic property of product and integrality, yet follow-up film burr 2 cutting operations must cut by artificial cutting or by blanking units, so will cause the puzzlement of processing once more, quite consuming time taking a lot of work in the operation, not only cause manpower, the increase of time and equipment cost, and production efficiency is not high, moreover, film burr 2 around the finished product 1 are after above-mentioned tradition cuts fabrication process, uneven situation still easily taking place, and then influence finished product 1 integral aesthetic property and exquisiteness, causes the economic worth of finished product 1 to reduce.In addition, commonly use the also even situation generation that flash is arranged in the ejection formation process, cause finished product 1 not attractive in appearance.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of processing procedures for cutting membrane in mold, and it carries out the preposition operation that cuts to the film in the mould when the mould matched moulds, significantly reduce thus and commonly use the follow-up burr processing cost of demoulding finished product, and enhance productivity.
For achieving the above object, a kind of processing procedures for cutting membrane in mold provided by the present invention, it is characterized in that comprising following steps: a mould and an ejaculator are provided, and wherein said mould comprises that one first module, one second module and be located at the cutting blade spare on described first module; One film is provided; Described film is arranged on second module of described mould; Operate first module and the second module closure of described mould, form a die cavity, and make described cutting blade spare and described film inconsistent; Operate described ejaculator one plastics are injected the die cavity of described mould, described plastics are combined with described film; Carry out the die sinking operation, operate described first module and separate, take out finished product with described second module unlatching.
In the technical scheme of the invention described above, when described first module of operation and described second module closure, described film is cut off fully by described cutting blade spare.
In the technical scheme of the invention described above, when described first module of operation and described second module closure, described film is not cut off fully by described cutting blade spare.
In the technical scheme of the invention described above, described first module has a die, described second module has a die cavity, after described first module of operation and the described second module closure, described cutting blade spare is positioned at described die cavity, be close to the internal face of the die cavity of described second module, and inconsistent with described film.
In the technical scheme of the invention described above, after finished product is taken out in die sinking, along described finished product periphery described film is taken off with manual type.
In the technical scheme of the invention described above, also provide a clamping piece of being located on described second module and can moving relative to described second module, described film clamping is located on second module of described mould.
In the technical scheme of the invention described above, described first module has a die, described second module has a die cavity, described clamping piece has the hollow-out parts of the die cavity of corresponding described second module, when described first, second module of operation is closed, the die of described first module and cutting blade spare pass the hollow-out parts of described clamping piece, and described cutting blade spare is inconsistent with described film.
In the technical scheme of the invention described above, on second module that described film is arranged at described mould after, earlier described film is heated, impel described film to be attached at the die cavity bottom surface of described second module again.
In the technical scheme of the invention described above, after to described film heating, then the die cavity to described second module vacuumizes the formation negative pressure, so that described film is attached at the die cavity bottom surface of described second module.
Adopt above technical scheme, the present invention utilizes cutting blade spare at mould inside film to be carried out accurate cutting in advance and handles, can significantly reduce or save the secondary processing cost that the follow-up burr cutting operation of commonly using decorating film is caused, can save a large amount of manpowers, time and equipment cost, enhance productivity, and do not have commonly use the uneven situation that film is produced around the finished product after pruning, so, utilize the prepared finished product of processing procedures for cutting membrane in mold of the present invention to have high exquisite degree, can promote finished product aesthetic property and exquisiteness, improve the economic worth of finished product, thereby have high commercial interest and surcharge.
Description of drawings
Fig. 1 commonly uses the schematic diagram that the surface is coated with the demoulding finished product of film;
Fig. 2 is the relative position that the in-mold film of a preferred embodiment of the present invention cuts film, mould and the ejaculator of molding manufacture procedure before beginning;
Fig. 3 is the solid combination schematic diagram that discloses employed first module of the foregoing description and cutting blade spare;
Fig. 4 discloses cantilever clamping film to stretch to the interior vertical view of groove;
Fig. 5 is the side view of Fig. 4;
Fig. 6 discloses clamping piece clamping film, and cantilever still is positioned at the side view of groove;
Fig. 7 discloses film by the clamping piece clamping, and cantilever has stretched out the vertical view of groove;
Fig. 8 discloses film by the clamping piece clamping, and cantilever has stretched out the side view of groove;
Fig. 9 disclose film by the clamping piece clamping on second module;
Figure 10 discloses the side view that film is subjected to the heater heating;
Figure 11 disclose film by vacuum suction in second module and the side sectional view of moulding;
Figure 12 is the side sectional view when carrying out ejection formation after the mould closure;
Figure 13 to Figure 16 is the action flow chart of mould when matched moulds and ejaculation, discloses cutting blade spare and cuts film;
Figure 17 is the prepared demoulding finished product of mould that utilizes above-mentioned preferred embodiment;
Figure 18 is Figure 16 roughly the same, discloses cutting blade spare and film is not cut off fully;
Figure 19 discloses the film morphology on the finished product that the another kind of demoulding makes.
The specific embodiment
For the effect that describes structure of the present invention in detail and reached, existing following preferred embodiment of act and conjunction with figs. are described as follows.
To shown in Figure 16, be the processing procedures for cutting membrane in mold of a preferred embodiment of the present invention as Fig. 2, it comprises the following steps:
At first, prepare an ejaculator 11 and a mould 12, wherein ejaculator 11 has plastics, and has the ascending pipe 11a of a connection mould 12, mould 12 comprises that in the present embodiment one first module 13, one second module 15 and be located at the cutting blade spare 30 on first module 13, wherein:
Fig. 3, Figure 12 are to shown in Figure 16 for another example, cutting blade spare 30 is an annular framework in the present embodiment, the one end fixes in the annular slot 141 of the die 14 of first module 13, the other end protrudes into outside the die 14, and form a blade 31, blade 31 front ends form a beveled end 311, beveled end 311 near the height of a side of dies 14 less than height away from a side of die 14.
Then, more as shown in Figure 2, prepare a film 10, the film 10 of present embodiment cuts the single sheet material of making a preliminary dimension size in advance, and its surface can set in advance literal or pattern according to demand.Film 10 is loaded on the film feeder 100, and film feeder 100 is transported to mould 12 inside again by two cantilevers, 101 clamping films 10, and with film 10 after a continuous shape film is cut out size that is set to required film 10 and the position of adjusting film 10 in advance.After film 10 puts in place (as Fig. 4, shown in Figure 5), clamping piece 21 is subjected to the drive of cylinder group 22 and moves toward second place P2, and continue to move up to second module, 15 common clamping films 10 after just stop (as shown in Figure 6), follow cantilever 101 pine oil films 10 and withdraw from mould 12 (as shown in Figure 7), thus, four limits of film 10 are promptly clamped (as Fig. 8, shown in Figure 9) by clamping piece 21, so far finish film 10 and insert the action of mould 12, die cavity 16 tops of second module 15 were covered by film 10 and presented air-tight state (as shown in Figure 9) this moment.
Follow again, heat the also step of vacuum adsorption molding film 10, as Figure 10, shown in Figure 11, in the present embodiment, after film 10 moves to the position of corresponding hollow-out parts 21a by an external heat device 23 earlier, one greater than the mode of the distance of clamping piece 21 thickness film 10 is heated at least to be separated by, when film 10 and when presenting soft state through the heating of a scheduled time, starting the pneumatic supply negative pressure of vacuum attracts, because die cavity 16 presents air-tight state, film 10 can be attracted and closely is attached to die cavity 16 bottom surfaces of second module 15.
Thereafter, carry out in-mold film 10 and cut operation, extremely shown in Figure 14 as Figure 12, the operator operates first, second module 13,15 closures, and die 14 passed the hollow-out parts 21a of clamping piece 21 and enclosed the die cavity 102 that forms a closure jointly with the die cavity 16 of second module 15 this moment, in this simultaneously, cutting blade spare 30 on the die 14 stretches in the die cavity 102, and being close to the internal face 161 of the die cavity 16 of second module 15, its blade 31 stretches into the cutter groove 16a of die cavity 16, fully film 10 is cut off.
, then carry out plastics and penetrate operation after cutting at film 10, as Figure 15, shown in Figure 16, this moment, ejaculator 11 was injected the die cavity 102 of mould 12 with plastics S from ascending pipe 11a, made plastics S and film 10 connecting shapings, and closed pneumatic supply simultaneously.In plastics S ejaculation process, utilization of the present invention has the design of the blade 31 of beveled end 311, can avoid taking place flash situation of the prior art with plastics S stop limits in mould 12 die cavities 102, to improve the exquisite degree and the aesthetics of finished product.Want in addition one carry be because that blade 31 pastes near the internal face 161 of a side wall surface of die cavities 102 and the die cavity 16 of second module 15 is neat, thus can improve the precision that cuts of film 10, with the exquisite degree and the aesthetics of lifting finished product.At last, carry out the die sinking operation, the operator operates first, second module 13,15 and opens, can obtain finished product 200 as shown in figure 17, the removal because the burr of film 10 are taken advantage of a situation in mould in advance, so finished product 200 peripheries 201 do not have the film burr, therefore must can not obtain high accuracy and high structure outward appearance attractive in appearance through secondary operations again.In addition, the operator also can adopt blade length to equal the cutting blade spare of film 10, can take advantage of a situation in mould so equally and remove the film burr.
From the above, the present invention directly utilizes the cutting blade spare 30 in the mould 12 that film 10 is carried out the preposition operation that cuts, make around the finished product 200 after the moulding 201 not have burr, perhaps can utilize length less than cutting blade spare 30 blades 31 of film 10 thickness directly when mould 12 matched moulds appropriateness cut burr and also can (be as shown in figure 18), so can obtain finished product 300 as shown in figure 19, what must illustrate is, because film 10 is cut to not dissengaged positions fully through appropriateness in advance in mould, therefore, the operator only needs the film 10 of finished product 300 peripheries 301 application of force a little, it can be taken off, to obtain high accuracy and high product attractive in appearance.Than located by prior art, processing procedures for cutting membrane in mold of the present invention can significantly reduce or save the secondary processing cost that the follow-up burr cutting operation of commonly using decorating film is caused, can save a large amount of manpowers, time and equipment cost, and production efficiency height, and do not have commonly use the uneven situation that film is produced around the finished product after pruning, so, utilize the prepared finished product 200 of processing procedures for cutting membrane in mold of the present invention to have high exquisite degree and aesthetic property, thereby have high commercial interest and surcharge.Moreover, the present invention directly utilizes the clamping piece 21 of mould 12 to grip film 10, and film 10 and heater 23 are kept a suitable distance, and the design of pore 18 is gone up in collocation again, make finished product 200 have the bending of wide-angle thus, more can promote the precision and the quality of product.
What must be illustrated is, the cutting blade spare of present embodiment 30 is to assemble in the mode of buckle to be connected on first module 13, in addition, cutting blade spare of the present invention also can adopt integrated mode to be formed at die 14 peripheries of first module 13, in addition, cutting blade spare 30 of the present invention also can be movable, promptly, the operator can change the cutting blade spare 30 of suitable length according to the thickness of film 10, perhaps make cutting blade spare 30 produce displacement by the fine setting of guiding mechanism (not shown), to change the length of blade 31, cooperate the film of different-thickness to use.
The above only is a preferable possible embodiments of the present invention, and the equivalent structure that all application specification of the present invention, claims and accompanying drawing are done changes, and all should be included in the scope of patent protection of the present invention.
Claims (9)
1, a kind of processing procedures for cutting membrane in mold is characterized in that comprising following steps:
One mould and an ejaculator are provided, and wherein said mould comprises that one first module, one second module and be located at the cutting blade spare on described first module;
One film is provided;
Described film is arranged on second module of described mould;
Operate first module and the second module closure of described mould, form a die cavity, and make described cutting blade spare and described film inconsistent;
Operate described ejaculator one plastics are injected the die cavity of described mould, described plastics are combined with described film;
Carry out the die sinking operation, operate described first module and separate, take out finished product with described second module unlatching.
2, processing procedures for cutting membrane in mold as claimed in claim 1 is characterized in that: when described first module of operation and described second module closure, described film is cut off fully by described cutting blade spare.
3, processing procedures for cutting membrane in mold as claimed in claim 1 is characterized in that: when described first module of operation and described second module closure, described film is not cut off fully by described cutting blade spare.
4, processing procedures for cutting membrane in mold as claimed in claim 3, it is characterized in that: described first module has a die, described second module has a die cavity, after described first module of operation and the described second module closure, described cutting blade spare is positioned at described die cavity, be close to the internal face of the die cavity of described second module, and inconsistent with described film.
5, processing procedures for cutting membrane in mold as claimed in claim 4 is characterized in that: after finished product is taken out in die sinking, described film is taken off along described finished product periphery with manual type.
6, processing procedures for cutting membrane in mold as claimed in claim 1 is characterized in that: a clamping piece of being located on described second module and can moving relative to described second module also is provided, described film clamping is located on second module of described mould.
7, processing procedures for cutting membrane in mold as claimed in claim 6, it is characterized in that: described first module has a die, described second module has a die cavity, described clamping piece has the hollow-out parts of the die cavity of corresponding described second module, when described first, second module of operation is closed, the die of described first module and cutting blade spare pass the hollow-out parts of described clamping piece, and described cutting blade spare is inconsistent with described film.
8, processing procedures for cutting membrane in mold as claimed in claim 7 is characterized in that: after on second module that described film is arranged at described mould, earlier described film is heated, impel described film to be attached at the die cavity bottom surface of described second module again.
9, processing procedures for cutting membrane in mold as claimed in claim 8 is characterized in that: after to described film heating, then the die cavity to described second module vacuumizes the formation negative pressure, so that described film is attached at the die cavity bottom surface of described second module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100079573A CN101513763A (en) | 2008-02-21 | 2008-02-21 | Processing procedures for cutting membrane in mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100079573A CN101513763A (en) | 2008-02-21 | 2008-02-21 | Processing procedures for cutting membrane in mold |
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| Publication Number | Publication Date |
|---|---|
| CN101513763A true CN101513763A (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100079573A Pending CN101513763A (en) | 2008-02-21 | 2008-02-21 | Processing procedures for cutting membrane in mold |
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| CN (1) | CN101513763A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001160A (en) * | 2010-11-17 | 2011-04-06 | 上海精佳和精密模具有限公司 | Molding, punching and cutting integrated device and realizing method thereof |
| CN103817854A (en) * | 2014-03-03 | 2014-05-28 | 上海瑞尔实业有限公司 | Structure capable of improving anticorrosion performance and adhesion strength of label and machining technology thereof |
| CN108127848A (en) * | 2018-01-15 | 2018-06-08 | 青岛海泰科模具有限公司 | Plaque injection mold and fabric cutting method on left B columns |
| CN108944020A (en) * | 2018-04-27 | 2018-12-07 | 滁州晨润工贸有限公司 | Film tiles stock method before a kind of overlay film |
-
2008
- 2008-02-21 CN CNA2008100079573A patent/CN101513763A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001160A (en) * | 2010-11-17 | 2011-04-06 | 上海精佳和精密模具有限公司 | Molding, punching and cutting integrated device and realizing method thereof |
| CN102001160B (en) * | 2010-11-17 | 2014-07-09 | 上海精佳和精密模具有限公司 | Molding, punching and cutting integrated device and realizing method thereof |
| CN103817854A (en) * | 2014-03-03 | 2014-05-28 | 上海瑞尔实业有限公司 | Structure capable of improving anticorrosion performance and adhesion strength of label and machining technology thereof |
| CN108127848A (en) * | 2018-01-15 | 2018-06-08 | 青岛海泰科模具有限公司 | Plaque injection mold and fabric cutting method on left B columns |
| CN108944020A (en) * | 2018-04-27 | 2018-12-07 | 滁州晨润工贸有限公司 | Film tiles stock method before a kind of overlay film |
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Open date: 20090826 |