CN115674567A - Manufacturing method for automatically implanting in-mold front mold of double-color injection molding product - Google Patents
Manufacturing method for automatically implanting in-mold front mold of double-color injection molding product Download PDFInfo
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- CN115674567A CN115674567A CN202211342265.0A CN202211342265A CN115674567A CN 115674567 A CN115674567 A CN 115674567A CN 202211342265 A CN202211342265 A CN 202211342265A CN 115674567 A CN115674567 A CN 115674567A
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Abstract
The invention discloses a manufacturing method for automatically implanting a front mold in a double-color injection molding product mold, which is suitable for the technical field of double-color injection molding of plastic products. The manufacturing method is realized by front mold implantation and continuous two-time injection molding, and the embedded object is accurately implanted by the embedded object placing manipulator before the first injection molding, so that the implanted embedded object is combined with a product during the first injection molding, and then the second injection molding is carried out. Can improve the production efficiency, and the precision is more accurate than artifical implantation, and is faster. The invention breaks through the problem of the binding force after double-color plastic embedding injection molding or single-color plastic embedding injection molding and then secondary injection molding in the traditional technology by the manufacturing method of plastic double-color front mold in-mold implantation, the injection molding cycle is short, the product deformation is low, the situation that an embedded object is not exposed is really realized, and the two materials are seamlessly combined, thereby realizing the perfect appearance and the perfect function and performance of the product.
Description
Technical Field
The invention belongs to the technical field of double-color injection molding of plastic products, and particularly relates to a manufacturing method for automatically implanting an in-mold front mold of a double-color injection molding product.
Background
With the continuous development and refinement of plastic manufacturing process and technology, especially the unique advantages of double-color injection molding, the combination of different materials, the application of the same material in different colors and the unique combination force can be selected through the materials, so that a new opportunity is provided for the common double-color injection molding industry, along with the AI intellectualization and the increasing popularization of the electronic technology, a plurality of plastic electronic products can consider making some technical breakthroughs on the common double-color products. Traditional double-colored moulding plastics before still stays in the colour and switches, and on the technique such as the integration of different materials mutually, traditional embedding or embedding mode are: the first material product is injected for the first time, after being taken out, the object to be embedded or embedded is placed on the first injection product, and then an apparatus is changed for injection molding to wrap the object, so that the injection molding product has the following defects: 1) The two materials have poor bonding force and are easy to separate from the middle, and the embedded or embedded object is easy to separate from the middle and is similar to a sandwich structure; 2) The injection molding period is long, and the injection molding process is to take out the product after the first product is manufactured and then put the product on a mold of another machine device; 3) The product causes the deformation very easily, because the first time product shaping after, takes out again, because the cooling is stereotyped, when carrying out secondary die cavity implantation again or burying, produces great temperature difference to it is great to lead to the back product shrinkage deflection of moulding plastics. With the development of science and technology, the requirements of customers are continuously changed and new, and some innovations on a common double-color injection molding process are urgently needed to meet the increasingly innovative requirements of customers. The present invention has been made in response to this need.
Disclosure of Invention
The embodiment of the invention provides a manufacturing method for automatically implanting a front mold in a mold of a double-color injection molding product, aiming at solving the defects of poor bonding force, long injection molding period and easy deformation of the product existing in secondary injection molding after the existing double-color implantation injection molding adopts single-color embedding or embedding injection molding and is taken out.
The embodiment of the invention is realized in such a way that the manufacturing method for automatically implanting the in-mold front mold of the double-color injection molding product realizes double-color injection molding and in-mold implantation, and comprises the following steps: the double-color injection molding product is molded by a mold device which is arranged in the mold in a preposed manner and is automatically implanted; the mould equipment with the automatic implantation function arranged in the mould in the front position comprises a first front mould, a second front mould, a first rear mould, a second rear mould, an injection molding mechanism, a rear mould rotating mechanism and an embedded object placing manipulator, wherein an embedded object positioning support column is arranged in the first front mould, and the injection molding mechanism is respectively connected with the first front mould and the second front mould; the rear die rotating mechanism is connected with the first rear die and the second rear die to realize die closing, die splitting and rotating actions of the rear die and the front die;
1) The embedded object placing manipulator places the embedded object on the embedded object positioning support column of the first front mold, the mold closing of the first front mold and the first rear mold and the mold closing of the second front mold and the second rear mold are realized under the driving of the rear mold rotating mechanism, and the injection molding mechanism performs first side injection molding on the mold closing of the two parts;
2) After the first side injection molding is finished, the rear mold rotating mechanism drives the first rear mold and the second rear mold to be respectively separated, the rear mold is rotated, the first rear mold corresponds to the second front mold, meanwhile, the second rear mold corresponds to the first front mold, the first front mold and the second rear mold are matched, the second front mold and the first rear mold are matched, the injection molding mechanism carries out second side injection molding on the matched molds of the two parts;
3) And after the second side injection molding is finished, obtaining a double-color injection molding product implanted in the mold after mold splitting.
In a preferred embodiment, the injection mechanism includes a first injection mechanism, the first injection mechanism is connected to the first front mold, and the second injection mechanism is connected to the second front mold.
In a preferred embodiment, the in-mold embedded two-color injection molded product is preferably a plastic license plate or the like including a built-in sensing device.
As a preferred embodiment, an end of the insert positioning support column is provided with an adsorption mechanism, and the adsorption mechanism is an air suction adsorption mechanism or a magnetic suction adsorption mechanism for realizing adsorption and fixation of the insert.
As a preferred embodiment, the first front mold and the second front mold are respectively provided with two injection molding grooves of a two-color injection molding product; be provided with connecting groove between two grooves of moulding plastics on the second front mould, two grooves of moulding plastics and connecting groove set up and can realize moulding plastics in proper order and prepare double-colored injection moulding product, very big increase double-colored injection moulding product's production efficiency.
As a preferred embodiment, four corners of the first front mold and the second front mold are respectively provided with a convex buckle, and four corners of the first rear mold and the second rear mold are respectively provided with a concave buckle; the convex buckle and the concave buckle realize mutually matched buckles when the die is closed.
As a preferred embodiment, an insert groove is arranged in the injection groove of the first front mold, and the adsorption mechanism at the end part of the insert positioning support column is arranged in the insert groove; the inlay groove is used for placing an inlay, and the inlay is precisely positioned and prevented from falling through the adsorption mechanism and the inlay groove after being placed.
In a further preferred embodiment, a positioning protrusion is further disposed in the insert groove, and the positioning protrusion further positions the insert.
Before injection molding of the first side, an embedded object to be implanted is placed into a front mold (or a female mold or a fixed mold), air suction or a magnet is adopted, the embedded object is positioned by a support column and limited by an embedded object groove and a positioning bulge, so that the embedded object is prevented from falling and limited precisely, then injection molding of the first side is carried out, after the injection molding is finished, the embedded object is wrapped in plastic, then injection molding of the second side is carried out after a rear mold rotating mechanism rotates, and after the injection molding of the second side is finished, all the embedded object is wrapped between two types of plastic, so that the effect actually achieved by the product is achieved.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. the manufacturing method is realized by implanting a front mold (or a fixed mold or a female mold) and continuously performing two times of injection molding, and the embedded object is accurately implanted by an embedded object placing manipulator before the first injection molding, so that the implanted embedded object is combined with a product during the first injection molding, and then the second injection molding is performed. Can improve the production efficiency, and the precision is more accurate than artifical implantation, and is faster.
2. The invention breaks through the problem of the binding force after double-color or single-color embedded injection molding and the second injection molding in the traditional technology by the manufacturing method of plastic dual-color and front mold in-mold implantation, has short cycle of injection molding and low product deformation, really realizes that an embedded object is not exposed, and the two materials are seamlessly combined, thereby realizing the perfect appearance and the perfect function and performance of the product.
3. The invention aims to increase an embedded object between primary injection molding and secondary injection molding of a plastic double-color injection molding product, so that the object is embedded between the primary injection molding and the secondary injection molding, the object is wrapped between the two plastics and firmly combined, but the appearance cannot be recognized, thereby achieving the product practicability, but the effect cannot be recognized from the appearance, and only can be distinguished through some equipment or other scientific and technological means, thereby achieving the practical value.
Drawings
FIG. 1 is a schematic structural view of an in-mold pre-implantation automatic implantation mold of the present invention;
FIG. 2 is an exploded view of the mold of the present invention with the mold pre-positioned for automatic implantation;
FIG. 3 is a partial structural view of the insert positioning bracket post and the insert of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front, back, top and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship, movement and the like between the components in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
At present, the following disadvantages exist in the technical field of two-color implantation injection molding: the existing double-color implantation injection molding adopts the defects of poor bonding force, long injection molding period and easy deformation of products in secondary injection molding after single-color embedding or embedding injection molding. In order to solve the technical problem, the invention provides a manufacturing method for automatically implanting in a double-color injection molding product mould.
Example one
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a manufacturing method for automatically implanting a mold-in front mold of a two-color injection molding product, which implements two-color injection molding and mold-in implantation, and includes the following steps: the double-color injection molding product is molded by a mold device which is arranged in the mold in a preposed manner and is automatically implanted; the mould equipment with the automatic implantation function arranged in the mould in the front comprises a first front mould 1, a second front mould 2, a first rear mould 3, a second rear mould 4, an injection molding mechanism, a rear mould rotating mechanism and an embedded object placing manipulator, wherein an embedded object positioning support column 11 is arranged in the first front mould 1, and the injection molding mechanism is respectively connected with the first front mould 1 and the second front mould 2; the rear die rotating mechanism is connected with the first rear die 3 and the second rear die 4, so that die closing, die splitting and rotating actions of the rear dies 3 and 4 and the front dies 1 and 2 are realized;
1) An embedded object placing manipulator places an embedded object 5 on an embedded object positioning support column 11 of a first front mold 1, mold closing of the first front mold 1 and a first rear mold 3 and mold closing of a second front mold 2 and a second rear mold 4 are realized under the driving of a rear mold rotating mechanism, and an injection molding mechanism performs first side injection molding on the mold closing of the two parts;
2) After the first side injection molding is finished, the rear mold rotating mechanism drives the first rear mold 3 and the second rear mold 4 to respectively separate the molds, the rear mold is rotated, the first rear mold 3 corresponds to the second front mold 2, meanwhile, the second rear mold 4 corresponds to the first front mold 1, the first front mold 1 and the second rear mold 4 are closed, the second front mold 2 and the first rear mold 3 are closed under the driving of the rear mold rotating mechanism, and the injection molding mechanism carries out second side injection molding on the closed molds of the two parts;
3) And after the second side injection molding is finished, obtaining a double-color injection molding product implanted in the mold after mold splitting.
In a preferred embodiment, the injection mechanism comprises a first injection mechanism, which is connected to the first front mold 1, and a second injection mechanism, which is connected to the second front mold 2.
In a preferred embodiment, the two-color injection molded product embedded in the mold is preferably a plastic license plate or the like including a built-in sensing device.
As shown in fig. 3, in a preferred embodiment, an end of the insert positioning support column 11 is provided with an adsorption mechanism 111, and the adsorption mechanism 111 is a suction adsorption mechanism or a magnetic adsorption mechanism for realizing adsorption and fixation of the insert.
As a preferred embodiment, the first front mold 1 and the second front mold 2 are respectively provided with two injection grooves 22 of a two-color injection molding product; be provided with connecting groove 21 between two injection molding grooves on second front mould 2, two injection molding grooves 22 and connecting groove 21 set up and can realize moulding plastics in proper order and prepare double-shot moulding product, very big increase double-shot moulding product's production efficiency.
In a preferred embodiment, the four corners of the first front mold 1 and the second front mold 2 are respectively provided with a convex buckle 14, and the four corners of the first rear mold 3 and the second rear mold 4 are respectively provided with a concave buckle; the convex buckle 14 and the concave buckle realize mutually matched buckles when the mold is closed.
In a preferred embodiment, an insert groove 12 is provided in the injection groove 22 of the first front mold 1, and the adsorption mechanism 111 at the end of the insert positioning support column 11 is provided in the insert groove 12; the insert groove 12 is used for placing the insert 5, and the insert 5 is precisely positioned and prevented from falling through the adsorption mechanism 111 and the insert groove 12 after being placed.
In a further preferred embodiment, a positioning protrusion 13 is further disposed in the insert groove 12, and the positioning protrusion 13 further positions the insert 5.
Before injection molding of the first side, an embedded object to be implanted is placed into a front mold (or a female mold or a fixed mold), air suction or a magnet is adopted, the embedded object is positioned by a support column, and is limited precisely by an embedded object groove and a positioning bulge, so that the embedded object is prevented from falling off, then injection molding of the first side is carried out, after the injection molding is finished, the embedded object is wrapped in plastic, then injection molding of the second side is carried out after a rear mold rotating mechanism rotates, and after the injection molding of the second side is finished, all the embedded object is wrapped between two types of plastic, so that the effect actually achieved by the product is achieved.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. the manufacturing method is realized by implanting a front mold (or a fixed mold or a female mold) and continuously performing two-time injection molding, and the embedded object is accurately implanted by an embedded object placing manipulator before the first injection molding, so that the implanted embedded object is combined with a product during the first injection molding, and then the second injection molding is performed. Can improve the production efficiency, and the precision is more accurate than artifical implantation, and is faster.
2. The invention breaks through the problem of the binding force after double-color or single-color embedded injection molding and the second injection molding in the traditional technology by the manufacturing method of plastic dual-color and front mold in-mold implantation, has short cycle of injection molding and low product deformation, really realizes that an embedded object is not exposed, and the two materials are seamlessly combined, thereby realizing the perfect appearance and the perfect function and performance of the product.
3. The invention aims to increase an embedded object between primary injection molding and secondary injection molding of a plastic double-color injection molding product, so that the object is embedded between the primary injection molding and the secondary injection molding, the object is wrapped between the two plastics and firmly combined, but the appearance cannot be recognized, thereby achieving the product practicability, but the effect cannot be recognized from the appearance, and only can be distinguished through some equipment or other scientific and technological means, thereby achieving the practical value.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A manufacturing method for automatically implanting a front mold in a double-color injection molding product mold realizes double-color injection molding and in-mold implantation, and is characterized in that: the method comprises the following steps: the double-color injection molding product is molded by a mold device which is arranged in the mold in a preposed manner and is automatically implanted; the mould equipment with the automatic implantation function arranged in the mould in the front comprises a first front mould, a second front mould, a first rear mould, a second rear mould, an injection molding mechanism, a rear mould rotating mechanism and an embedded object placing manipulator, wherein an embedded object positioning support column is arranged in the first front mould, and the injection molding mechanism is respectively connected with the first front mould and the second front mould; the rear die rotating mechanism is connected with the first rear die and the second rear die to realize die closing, die splitting and rotating actions of the rear die and the front die;
1) The embedded object placing manipulator places the embedded object on the embedded object positioning support column of the first front mold, the mold closing of the first front mold and the first rear mold and the mold closing of the second front mold and the second rear mold are realized under the driving of the rear mold rotating mechanism, and the injection molding mechanism performs first side injection molding on the mold closing of the two parts;
2) After the first side injection molding is finished, the rear mold rotating mechanism drives the first rear mold and the second rear mold to be respectively separated, the rear mold is rotated, the first rear mold corresponds to the second front mold, meanwhile, the second rear mold corresponds to the first front mold, the first front mold and the second rear mold are matched, the second front mold and the first rear mold are matched, the injection molding mechanism carries out second side injection molding on the matched molds of the two parts;
3) And after the second side injection molding is finished, obtaining a double-color injection molding product implanted in the mold after mold splitting.
2. The manufacturing method for automatically implanting the in-mold front mold of the two-color injection molding product according to claim 1, characterized in that: the injection molding mechanism comprises a first injection molding mechanism, the first injection molding mechanism is connected with the first front mold, and the second injection molding mechanism is connected with the second front mold.
3. The manufacturing method for automatically implanting the in-mold front mold of the two-color injection molding product according to claim 1, characterized in that: the double-color injection molding product implanted in the mold comprises a plastic license plate with a built-in sensing device.
4. The manufacturing method for automatically implanting the in-mold front mold of the two-color injection molding product according to claim 1, characterized in that: the end of the insert positioning bracket column is provided with an adsorption mechanism.
5. The manufacturing method for automatically implanting the in-mold front mold of the two-color injection molding product according to claim 4, characterized in that: the adsorption mechanism is a suction adsorption mechanism or a magnetic adsorption mechanism.
6. The manufacturing method for automatically implanting the in-mold front mold of the two-color injection molding product according to claim 1, characterized in that: the first front die and the second front die are respectively provided with two injection molding grooves of a double-color injection molding product; and a connecting groove is arranged between the two injection molding grooves on the second front mold, and the two injection molding grooves are arranged with the connecting groove.
7. The manufacturing method for automatically implanting the in-mold front mold of the two-color injection molding product according to claim 1, characterized in that: convex buckles are arranged at four corners of the first front die and the second front die respectively, and concave buckles are arranged at four corners of the first rear die and the second rear die respectively; the convex buckle and the concave buckle realize mutually matched buckles when the die is closed.
8. The method for manufacturing the double-color injection molding product by automatically implanting the in-mold front mold according to claim 4, characterized in that: an insert groove is formed in the injection molding groove of the first front mold, and an adsorption mechanism at the end part of the insert positioning support column is arranged in the insert groove.
9. The manufacturing method for automatically implanting the in-mold front mold of the two-color injection molding product according to claim 8, characterized in that: and a positioning bulge is also arranged in the insert groove and used for further positioning the insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342265.0A CN115674567A (en) | 2022-10-31 | 2022-10-31 | Manufacturing method for automatically implanting in-mold front mold of double-color injection molding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342265.0A CN115674567A (en) | 2022-10-31 | 2022-10-31 | Manufacturing method for automatically implanting in-mold front mold of double-color injection molding product |
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| CN115674567A true CN115674567A (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211342265.0A Pending CN115674567A (en) | 2022-10-31 | 2022-10-31 | Manufacturing method for automatically implanting in-mold front mold of double-color injection molding product |
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| CN (1) | CN115674567A (en) |
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- 2022-10-31 CN CN202211342265.0A patent/CN115674567A/en active Pending
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