CN110315683A - A kind of in-mold transfer printing device and method of paper tinsel film - Google Patents
A kind of in-mold transfer printing device and method of paper tinsel film Download PDFInfo
- Publication number
- CN110315683A CN110315683A CN201910744932.XA CN201910744932A CN110315683A CN 110315683 A CN110315683 A CN 110315683A CN 201910744932 A CN201910744932 A CN 201910744932A CN 110315683 A CN110315683 A CN 110315683A
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- CN
- China
- Prior art keywords
- paper tinsel
- tinsel film
- punch
- transfer printing
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
Abstract
The embodiment of the invention discloses a kind of in-mold transfer printing device and method of paper tinsel film, in-mold transfer printing equipment includes punch-pin and cavity plate, sealing frame is arranged on the mold core of punch-pin, and briquetting corresponding with sealing frame is provided on the mold core of cavity plate, sealing frame includes the fixing end of Qian shape structure and the movable end of linear type, the jet thrust for connecting with extraneous air pump is provided in fixing end, and the first connecting spring is provided between fixing end and punch-pin die holder, its transfer method includes: first to install paper tinsel film, and it is adjusted to position to be transferred, extraneous air pump is connected by jet thrust later, start precompressed and fixation of the extraneous air pump completion to paper tinsel film, then stop extraneous air pump gas supply, and excessive gas is discharged by air discharge duct, last mold-closing injection, complete in-mold transfer printing, pass through the sealing frame of setting, it can be achieved to connect by jet thrust The problem of connecing extraneous air pump, and then complete the precompressed to paper tinsel film by way of air pressure, can avoid in injection molding, paper tinsel film is easily caused to be broken.
Description
Technical field
Inventive embodiments are related to thermal transfer technology field, and in particular to a kind of in-mold transfer printing device and method of paper tinsel film.
Background technique
With the development of world economy level, industrial designs require increasingly emphasis fashion, environmental protection, light and handyization to set
Thus meter, IMR technique are applied and are given birth to, be widely used in all trades and professions, the entitled in-mold decoration skill of Chinese of IMR at present
Art is to be printed on decorative pattern and functional pattern in paper tinsel film by high accuracy prints machine, by sending foil machine to be fed through specially
Molding die in positioned after, by project mould-injection raw material high temperature and high pressure, by the pattern transfer in paper tinsel film to mould
The surface of glue product is that one kind can be realized decorative pattern and the integrally formed technology of plastic cement, and people are to thermal transfer in mould therewith
Also it just increasingly pays close attention to.
Before single when being molded for some products possessed compared with big height, often due to the shape of itself of paper tinsel film
Become insufficient, and easily the problem of paper tinsel film fracture occurs in injection molding, it is very inconvenient in actual practical process, it is solved up for us
Certainly.
Summary of the invention
For this purpose, the in-mold transfer printing device and method that inventive embodiments provide a kind of paper tinsel film can by set sealing frame
Extraneous air pump is further connected by jet thrust, so as to complete the precompressed to paper tinsel film by way of air pressure, can solve existing
Have in technology and the problem of paper tinsel film fracture easily occurs in the biggish product of Molding heightd.
To achieve the goals above, the embodiment of invention provides the following technical solutions:
A kind of inner mould transfer printing method and equipment of paper tinsel film, including the punch-pin and cavity plate being fixed on injection molding machine, described recessed
The two sides up and down of mould are respectively arranged with material-feeding rolling wheels group and coiled strip roller group, and the material-feeding rolling wheels group and coiled strip roller group are by setting
The paper tinsel film connection between punch-pin and cavity plate is set, is arranged with sealing frame on the mold core of the punch-pin, and in the mold core of the cavity plate
On be provided with briquetting corresponding with sealing frame, the sealing frame includes the fixing end of Qian shape structure and the movable end of linear type, institute
The jet thrust being provided in fixing end for connecting with extraneous air pump is stated, and is provided between the fixing end and punch-pin die holder
First connecting spring, the movable end are slidably connected at side of the fixing end far from coiled strip roller group, and the movable end with
The second connecting spring is provided between punch-pin die holder.
As a kind of preferred embodiment of invention, ventilation pipe is provided in the fixing end, the ventilation pipe is far from spray
One end of gas head is provided with venthole.
As a kind of preferred embodiment of invention, the stiffness factor of first connecting spring and the stiffness of the second connecting spring
Coefficient is identical, and length of first connecting spring in no external force is greater than the second connecting spring in no external force
Length.
As a kind of preferred embodiment of invention, fixing end side corresponding with cavity plate offers the exhaust for exhaust
Slot.
A kind of inner mould transfer printing method of paper tinsel film, which is characterized in that inner mould transfer printing method the following steps are included:
Paper tinsel film is installed between punch-pin and cavity plate, and adjusts paper tinsel film to position to be transferred by step S100；
Step S200 connects extraneous air pump by jet thrust, and starts extraneous air pump and complete precompressed and fixation to paper tinsel film；
Step S300 stops extraneous air pump gas supply, and excessive gas is discharged by air discharge duct；
Step S400, mold-closing injection complete in-mold transfer printing.
As a kind of preferred embodiment of invention, according to step S200, precompressed and fixed specific steps packet are completed to paper tinsel film
It includes:
Step S201, starting injection molding machine make punch-pin that fixing end be driven to move to the position contacted with briquetting, complete to paper tinsel film
The fixation of upper end；
Step S202 starts the space that extraneous air pump is formed between sealing frame, punch-pin and cavity plate three and pressurizes, complete
The precompressed of pairs of paper tinsel film；
Step S203, starting injection molding machine make punch-pin that movable end be driven to move to the position contacted with briquetting, complete to paper tinsel film
The fixation of lower end.
As a kind of preferred embodiment of invention, it is additionally provided in the coiled strip roller group for being carried out to paper tinsel film surface tension
The tension sensor of detection；In step S202, when carrying out precompressed and demoulding to paper tinsel film, the work of coiled strip roller group specifically moved
Make process are as follows:
The adjustment range value of paper tinsel film tension is set, and current paper tinsel film Tensity size, comparison inspection are detected by tension sensor
Result and adjustment range value are surveyed, when testing result is greater than adjustment range value, then paper tinsel film table is alleviated in the counter motion of coiled strip roller group
Face Tensity size, when testing result is less than adjustment range value, then coiled strip roller group forward motion increases paper tinsel film surface tension.
As a kind of preferred embodiment of invention, according to step S300, the condition of extraneous air pump closing are as follows: injection molding machine makes punch-pin
Movable end is driven to move to the position contacted with briquetting, and tension sensor paper tinsel film surface tension value detected is not becoming
Change.
The embodiment of invention has the advantages that
The present invention is by the sealing frame of setting, it can be achieved that connecting extraneous air pump, and then the shape for passing through air pressure by jet thrust
Formula completes the precompressed to paper tinsel film, can effectively avoid when processing to the biggish product of height, easily causes foil when being molded
The problem of film is broken, the practicality is stronger.
Detailed description of the invention
Embodiment or technical solution in the prior art in order to illustrate more clearly of invention, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is exemplary, it for those of ordinary skill in the art, without creative efforts, can also be according to mentioning
The attached drawing of confession, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not limited to invent enforceable qualifications, therefore does not have technical reality
Matter meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influence invention can be generated the effect of and
Under the purpose that can reach, should all still it fall in the range of the revealed technology contents of invention obtain and can cover.
Fig. 1 is the overall structure diagram of invention；
Fig. 2 is the perspective view of sealing frame in invention embodiment；
Fig. 3 is the flow chart of in-mold transfer printing in invention embodiment.
In figure:
1- punch-pin；2- cavity plate；3- material-feeding rolling wheels group；4- coiled strip roller group；5- sealing frame；6- briquetting；7- fixing end；8- is living
Moved end；9- jet thrust；The first connecting spring of 10-；The second connecting spring of 11-；12- ventilation pipe；13- venthole；14- exhaust
Slot.
Specific embodiment
Illustrate the embodiment of invention by particular specific embodiment below, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily, it is clear that described embodiment is that invention a part is real
Example is applied, instead of all the embodiments.Based on the embodiment in invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained under the premise of labour belongs to the range of invention protection.
As depicted in figs. 1 and 2, the present invention provides a kind of in-mold transfer printing equipment of paper tinsel film, including are fixed on injection molding machine
Punch-pin 1 and cavity plate 2, be respectively arranged with material-feeding rolling wheels group 3 and coiled strip roller group 4 in the two sides up and down of the cavity plate 2, it is described to give
Material roller group 3 and coiled strip roller group 4 pass through the paper tinsel film being arranged between punch-pin 1 and cavity plate 2 and connect, on the mold core of the punch-pin 1
It is arranged with sealing frame 5, and is provided with briquetting 6 corresponding with sealing frame 5 on the mold core of the cavity plate 2, the sealing frame 5 includes
The fixing end 7 of Qian shape structure and the movable end 8 of linear type are capable of forming one after that is, fixing end 7 and movable end 8 are fixed together
A square frame being set on 1 mold core of punch-pin, and when punch-pin 1 is close to cavity plate 2, then the formation of sealing frame 5 one can be cooperated close
Chamber is sealed, and then can realize that the precompressed to paper tinsel film can make paper tinsel film in precompressed by way of air pressure precompressed by way of air pressure
Surface stress more uniformly paper tinsel film can effectively can be avoided to will appear damaged problem in injection molding.
It is provided with the jet thrust 9 for connecting with extraneous air pump in the fixing end 7, is provided in the fixing end 7 logical
Feed channel 12, the ventilation pipe 12 are provided with venthole 13, ventilation pipe 12 and fixing end 7 far from one end of jet thrust 9
Shape is unanimously Qian font, and venthole 13 is provided with several, and is set in qually spaced on ventilation pipe 12, and venthole 13
Jet direction and paper tinsel film be arranged in parallel or tilt and be arranged toward the one side far from paper tinsel film, it is avoidable to be sprayed from venthole 13
Air-flow can be directly impinging the surface of paper tinsel film, cause paper tinsel film local pressure excessive, and precompressed is caused deviation occur or directly contribute
The damage of paper tinsel film.
The first connecting spring 10 is provided between 1 die holder of the fixing end 7 and punch-pin, the movable end 8 is slidably connected
The second connection bullet is provided in side of the fixing end 7 far from coiled strip roller group 4, and between 1 die holder of the movable end 8 and punch-pin
Spring 11, the stiffness factor of first connecting spring 10 is identical as the stiffness factor of the second connecting spring 11, and described first connects
Length of the spring 10 in no external force is connect greater than length of second connecting spring 11 in no external force, that is, is being closed
Fixing end 7 is then contacted with the upper briquetting 6 that cavity plate 2 is arranged in first when mould, is consolidated to realize to paper tinsel film upper end position
It is fixed, and then there is also a certain distance with briquetting 6 for movable end 8 at this moment, can form a biggish outlet opening, for pre-
Automatic adjusument can be carried out to paper tinsel film when pressure, in movable end 8 constantly on the briquetting 6 on cavity plate 2, the outlet formed is open
Also can constantly reduce, air inflow is certain, and the capacity in the unit time constantly reduces, therefore can make sealing frame 5, punch-pin 1
The air pressure being formed by cavity between 2 three of cavity plate can be continuously increased, and then the precompressed to paper tinsel film can be realized by air pressure.
In precompressed, the pressure value of generated the given paper tinsel film of air pressure is greater than paper tinsel film surface after the work of extraneous air pump
When the value range that power is adjusted, coiled strip roller group 4 can then release wound paper tinsel film according to the changing value of tension, until paper tinsel film is bonded
2 die cavity of cavity plate can release in advance the paper tinsel film of certain length in injection molding, paper tinsel film can effectively be avoided to crush in injection molding
The problem of.
In addition, being provided with rubber sheet gasket in sealing frame 5 and the opposite one side of briquetting 6, it is provided on rubber sheet gasket anti-
Sliding decorative pattern, can just avoid when paper tinsel film precompressed terminates to be pre-fixed, and be easy to appear the problem of paper tinsel film resets.
The fixing end 7 side corresponding with cavity plate 2 offers the air discharge duct 14 for exhaust, i.e., terminates in jet precompressed
Afterwards, it can be discharged by air discharge duct 14 by the gas in cavity plate 2, punch-pin 1 and the formed cavity of sealing frame 5, for making in cavity
Air pressure is consistent with ambient pressure, can avoid the problem of having bubble on the product of injection molding appearance.
As shown in figure 3, a kind of inner mould transfer printing method of paper tinsel film, inner mould transfer printing method the following steps are included:
Paper tinsel film is installed between punch-pin and cavity plate, and adjusts paper tinsel film to position to be transferred by step S100；
Step S200 connects extraneous air pump by jet thrust, and starts extraneous air pump and complete precompressed and fixation to paper tinsel film；
Step S300 stops extraneous air pump and is supplied, and excessive gas is discharged by air discharge duct；
Step S400, mold-closing injection complete in-mold transfer printing.
In step S100, for the position to be transferred of paper tinsel film, it can will be bonded by fixing end with briquetting and paper tinsel film will be fixed
Position on the basis of, i.e., when to paper tinsel film precompressed, paper tinsel film one end it is motionless and another then to paper tinsel film carry out automatic adjusument, can avoid
The problem of both ends are adjusted simultaneously, and transfer pattern is easily caused to misplace.
According to step S200, completing precompressed with fixed specific steps to paper tinsel film includes:
Step S201, starting injection molding machine make punch-pin that fixing end be driven to move to the position contacted with briquetting, complete to paper tinsel film
The fixation of upper end；
Step S202 starts the space that extraneous air pump is formed between sealing frame, punch-pin and cavity plate three and pressurizes, complete
The precompressed of pairs of paper tinsel film；
Step S203, starting injection molding machine make punch-pin that movable end be driven to move to the position contacted with briquetting, complete to paper tinsel film
The fixation of lower end.
According to step S202, the tension for being detected to paper tinsel film surface tension is additionally provided in the coiled strip roller group
Sensor, when carrying out precompressed and demoulding to paper tinsel film, the workflow of coiled strip roller group specifically moved are as follows:
The adjustment range value of paper tinsel film tension is set, and current paper tinsel film Tensity size, comparison inspection are detected by tension sensor
Result and adjustment range value are surveyed, when testing result is greater than adjustment range value, then paper tinsel film table is alleviated in the counter motion of coiled strip roller group
Face Tensity size, when testing result is less than adjustment range value, then coiled strip roller group forward motion increases paper tinsel film surface tension.
According to step S300, condition that extraneous air pump is closed are as follows: injection molding machine makes punch-pin that movable end be driven to move to and briquetting
The position of contact, and tension sensor paper tinsel film surface tension value detected is not changing；
I.e. in the actual use process, the distance of injection molding machine drive activity end motion is greater than movable end from static to just connecing
The distance of block is pressed, movable end is can avoid and is bonded with briquetting without killing paper tinsel film, caused when closing extraneous air pump, paper tinsel film is pre-
There is deviation and stamp position is caused the problem of deviation occur in pressure position.
It can for the control of extraneous air pump are as follows:
After fixed to paper tinsel film upper end position, extraneous air pump starting, when fixed to paper tinsel film lower end position, then slowly closing
External world's pump can detect the variation of paper tinsel film tension, that is, the paper tinsel film detected by tension sensor while closing extraneous air pump
Power becomes smaller, then is determined as that paper tinsel film lower end position is not completely fixed, and opposite paper tinsel film tension is remained stationary constant, then determines paper tinsel film lower end
Position has been completely fixed.
The case where for not being completely fixed, then movable end is returned to the position of unlocked paper tinsel film lower end, later again will be outer
Boundary's air pump restores to initial jet amount, determines again it, and at this time by the distance meeting of injection molding machine drive activity end motion
How previous unit on the basis of original, repeats this process, until can fix completely to paper tinsel film lower end, for thermal transfer precision
For lower injection-molded work, it is molded enhanced convenience,
And for the moulding high for required precision, it can be provided with and be used in material-feeding rolling wheels group and coiled strip roller group
Detect the position sensor of paper tinsel film stamp position, i.e. position fixed required for paper tinsel film upper end is determined by position sensor,
And when paper tinsel film lower end position is fixed, it needs to set move distance value of the paper tinsel film in precompressed, is being molded to guarantee
When paper tinsel film position precision, i.e., in precompressed, paper tinsel film quantity of margin, which reaches, then stops blowing after designated value to paper tinsel film lower end position
It sets and is fixed, thus can avoid the problem that precompressed is excessive or precompressed is not in place occur, it is more square to thermal transfer precision controlling
Just.
Although above having made detailed description to invention with generality explanation and specific embodiment, inventing
On the basis of, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, not
These modifications or improvements on the basis of deviation spirit, belong to invent claimed range.
Claims (8)
1. the in-mold transfer printing equipment of a kind of paper tinsel film, including the punch-pin (1) being fixed on injection molding machine and cavity plate (2), in the cavity plate
(2) two sides up and down are respectively arranged with material-feeding rolling wheels group (3) and coiled strip roller group (4), the material-feeding rolling wheels group (3) and coiled strip rolling
Wheel group (4) is connect by the paper tinsel film being arranged between punch-pin (1) and cavity plate (2), which is characterized in that the mold core of the punch-pin (1)
On be arranged with sealing frame (5), and briquetting (6) corresponding with sealing frame (5) is provided on the mold core of the cavity plate (2), it is described
Sealing frame (5) includes the fixing end (7) of Qian shape structure and the movable end (8) of linear type, is provided with and is used on the fixing end (7)
The jet thrust (9) being connect with extraneous air pump, and the first connection bullet is provided between the fixing end (7) and punch-pin (1) die holder
Spring (10), the movable end (8) are slidably connected at the side of fixing end (7) far from coiled strip roller group (4), and in the movable end
(8) the second connecting spring (11) are provided between punch-pin (1) die holder.
2. a kind of in-mold transfer printing equipment of paper tinsel film according to claim 1, which is characterized in that set in the fixing end (7)
It is equipped with ventilation pipe (12), the ventilation pipe (12) is provided with venthole (13) far from the one end of jet thrust (9).
3. a kind of in-mold transfer printing equipment of paper tinsel film according to claim 1, which is characterized in that first connecting spring
(10) stiffness factor is identical as the stiffness factor of the second connecting spring (11), and first connecting spring (10) is in no external force
In the case of length be greater than the length of the second connecting spring (11) in no external force.
4. a kind of in-mold transfer printing equipment of paper tinsel film according to claim 1, which is characterized in that the fixing end (7) with it is recessed
The corresponding side of mould (2) offers the air discharge duct (14) for exhaust.
5. a kind of inner mould transfer printing method of paper tinsel film, the in-mold transfer printing applied to the paper tinsel film as described in Claims 1-4 is any are set
It is standby, which is characterized in that inner mould transfer printing method the following steps are included:
Paper tinsel film is installed between punch-pin and cavity plate, and adjusts paper tinsel film to position to be transferred by step S100；
Step S200 connects extraneous air pump by jet thrust, and starts extraneous air pump and complete precompressed and fixation to paper tinsel film；
Step S300 stops extraneous air pump and is supplied, and excessive gas is discharged by air discharge duct；
Step S400, mold-closing injection complete in-mold transfer printing.
6. a kind of inner mould transfer printing method of paper tinsel film according to claim 5, which is characterized in that according to step S200, to foil
Film completes precompressed with fixed specific steps
Step S201, starting injection molding machine make punch-pin that fixing end be driven to move to the position contacted with briquetting, complete to paper tinsel film upper end
Fixation；
Step S202 starts the space that extraneous air pump is formed between sealing frame, punch-pin and cavity plate three and pressurizes, completion pair
The precompressed of paper tinsel film；
Step S203, starting injection molding machine make punch-pin that movable end be driven to move to the position contacted with briquetting, complete to paper tinsel film lower end
Fixation.
7. a kind of inner mould transfer printing method of paper tinsel film according to claim 6, which is characterized in that in the coiled strip roller group also
It is provided with the tension sensor for being detected to paper tinsel film surface tension, in step S202, precompressed is being carried out to paper tinsel film and is being torn open
When mould,
The adjustment range value of paper tinsel film tension is set, and current paper tinsel film Tensity size, contrasting detection knot are detected by tension sensor
Fruit and adjustment range value, when testing result is greater than adjustment range value, then paper tinsel film surface is alleviated in the counter motion of coiled strip roller group
Power size, when testing result is less than adjustment range value, then coiled strip roller group forward motion increases paper tinsel film surface tension.
8. a kind of inner mould transfer printing method of paper tinsel film according to claim 7, which is characterized in that extraneous according to step S300
The condition that air pump is closed are as follows: injection molding machine makes punch-pin that movable end be driven to move to the position contacted with briquetting, and tension sensor institute
The paper tinsel film surface tension value of detection is not changing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744932.XA CN110315683B (en) | 2019-08-13 | 2019-08-13 | In-mold transfer printing equipment and method for foil film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744932.XA CN110315683B (en) | 2019-08-13 | 2019-08-13 | In-mold transfer printing equipment and method for foil film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110315683A true CN110315683A (en) | 2019-10-11 |
| CN110315683B CN110315683B (en) | 2021-04-02 |
Family
ID=68126057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910744932.XA Active CN110315683B (en) | 2019-08-13 | 2019-08-13 | In-mold transfer printing equipment and method for foil film |
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| CN (1) | CN110315683B (en) |
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| CN111391219A (en) * | 2020-03-20 | 2020-07-10 | 东莞市艾尔玛塑件科技有限公司 | In-mold transfer printing system |
| CN111516254A (en) * | 2020-03-25 | 2020-08-11 | 科立视材料科技有限公司 | 3D glass film pasting device and process method thereof |
| CN113715466A (en) * | 2021-08-31 | 2021-11-30 | 东莞市艾尔玛科技有限公司 | Device and process for manufacturing nano-texture transfer decoration panel |
| CN115071047A (en) * | 2022-07-14 | 2022-09-20 | 艾尔玛科技股份有限公司 | Injection mold structure of decoration printing in double-sided mould |
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| CN113715466B (en) * | 2021-08-31 | 2023-06-06 | 艾尔玛科技股份有限公司 | Manufacturing device and process of nano texture transfer printing decoration panel |
| CN115071047A (en) * | 2022-07-14 | 2022-09-20 | 艾尔玛科技股份有限公司 | Injection mold structure of decoration printing in double-sided mould |
| CN115071047B (en) * | 2022-07-14 | 2024-02-27 | 艾尔玛科技股份有限公司 | Injection mold structure for double-sided in-mold decoration printing |
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| CN110315683B (en) | 2021-04-02 |
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