CN210336698U - Injection mold of double-color injection product - Google Patents

Injection mold of double-color injection product Download PDF

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Publication number
CN210336698U
CN210336698U CN201920361269.0U CN201920361269U CN210336698U CN 210336698 U CN210336698 U CN 210336698U CN 201920361269 U CN201920361269 U CN 201920361269U CN 210336698 U CN210336698 U CN 210336698U
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China
Prior art keywords
positioning column
movable
die
insert
injection molding
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Active
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CN201920361269.0U
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Chinese (zh)
Inventor
李林棋
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Suzhou Unistar Mold Technology Co ltd
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Suzhou Unistar Mold Technology Co ltd
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Abstract

The utility model discloses an injection mold of a double-color injection molding product, which comprises a first module, a second module and a movable insert; an injection molding groove is formed in the movable insert, and a through hole is formed in one side of the injection molding groove; the first module comprises a first fixed die and a first movable die; a first hot nozzle is arranged on the first moving die; a first insert groove is formed in the first fixed die; a first fixed die is fixedly provided with a first positioning column; the second module comprises a second fixed die and a second movable die; a second hot nozzle for injection molding is arranged on the second moving die; a second insert groove is formed in the second fixed die; a second fixed die is provided with a second positioning column; and a mold core is arranged at the top end of the second positioning column. The utility model has the advantages of simple and reasonable structure, low in manufacturing cost, the die sinking process velocity is fast, does not need double-colored machine just to accomplish the product and moulds plastics, has had more selections on the board of moulding plastics, greatly reduced equipment input, double-colored injection moulding product shaping is of high quality, excellent in use effect.

Description

Injection mold of double-color injection product
Technical Field
The utility model relates to a mould field, in particular to double-colored injection mold of injection moulding product.
Background
The injection mold is an important process device for producing various industrial products, and along with the rapid development of the plastic industry and the popularization and application of plastic products in the industrial departments of aviation, aerospace, electronics, machinery, ships, automobiles and the like, the application range of the injection mold is more and more extensive. An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.
For a two-color injection molding product (i.e., an injection molding product is injection molded from two different sets of plastics), the two-color injection molding machine is required to perform injection molding on a two-color mold, such as an injection molding product, namely an outer cover with a pull ring, wherein the outer cover body is injection molded from one type of plastic, and the pull ring is injection molded from the other type of plastic. The conventional mode of the injection product needs to be completed on a double-color injection molding machine through a double-color mold. However, the existing double-color mold has the defects of complex structure, high difficulty in manufacturing the mold and high mold opening cost, and the double-color injection molding machine has large volume and high purchase cost, so that the production of double-color injection molding products is restricted by the double-color injection molding machine and the double-color injection molding machine.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides an injection mold of double-colored injection molding product through the first module of movable mold insert cooperation and second module, on ordinary injection molding machine, just can accomplish the production of moulding plastics of double-colored injection molding product, has solved current double-colored mould structure complicacy, and the manufacturing mould degree of difficulty is big, and the die sinking cost is high, and double-colored injection molding machine is bulky, and the purchase cost is high, both have restricted the problem of the production of double-colored injection molding product.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: an injection mold of a double-color injection product comprises a first module, a second module and a movable insert; an injection molding groove is formed in the movable insert, and a cylindrical through hole penetrating through the movable insert is formed in one side of the injection molding groove; the first module comprises a first fixed die and a first movable die which are matched with each other; a first hot nozzle for injection molding is arranged on the first movable die; a first insert groove for mounting the movable insert is formed in the first fixed die; a first positioning column matched with the through hole is fixedly arranged on the first fixed die, and the first positioning column extends into the first insert groove; the second module comprises a second fixed die and a second movable die which are matched with each other; a second hot nozzle for injection molding is arranged on the second movable die; a second insert groove for mounting the movable insert is formed in the second fixed die; a second positioning column matched with the through hole is arranged on the second fixed die; the second positioning column extends into the second insert groove, and a mold core is arranged at the top end of the second positioning column.
As a preferred scheme of the utility model, a movable insert is movably embedded and installed on the movable insert, and the movable insert is positioned at the bottom of the injection molding groove; the movable insert is made of beryllium copper.
As a preferred scheme of the utility model, a guide sleeve is arranged at the lower part of the through hole; the guide sleeve and the through hole are coaxially arranged.
As a preferred scheme of the utility model, a top push plate is arranged on the second fixed die; the second positioning column is arranged on the top push plate; a top hole is formed below the top push plate; and the external ejector rod penetrates through the ejector hole to push the ejector plate, so as to drive the second positioning column to axially move along the second positioning column.
As a preferred scheme of the utility model, a sleeve is sleeved outside the second positioning column; the sleeve is fixedly installed on the fixed die and located between the second positioning column and the guide sleeve.
Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the utility model has the advantages of simple and reasonable structure, low in manufacturing cost, the die sinking process velocity is fast, does not need double-colored machine just to accomplish the product and moulds plastics, has had more selections on the board of moulding plastics, greatly reduced equipment input, double-colored injection moulding product shaping is of high quality, excellent in use effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the first module according to the present invention.
Fig. 2 is a perspective sectional view of the first module according to the present invention.
Fig. 3 is a schematic structural diagram of a second module according to the present invention.
Fig. 4 is a perspective sectional view of a second module according to the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a first fixed die 2, a first movable die 3, a first hot nozzle
4. Movable insert 5, guide sleeve 6 and first positioning column
7. Movable insert 8, second movable die 9, second fixed die
10. A second hot nozzle 11, a second positioning column 12 and a sleeve
13. And (4) pushing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
Combine fig. 1 to fig. 4, the utility model discloses a double-colored injection moulding product's injection mold, including first module, second module and movable mold insert 4. An injection molding groove is formed in the movable insert 4, and a cylindrical through hole penetrating through the movable insert 4 is formed in one side of the injection molding groove. The first module comprises a first fixed die 1 and a first movable die 2 which are matched with each other; a first hot nozzle 3 for injection molding is arranged on the first movable mold 2. A first insert groove for mounting the movable insert 4 is provided on the first stationary mold 1. A first positioning column 6 matched with the through hole is fixedly arranged on the first fixed die 1, and the first positioning column 6 extends into the first insert groove. The second die set comprises a second fixed die 9 and a second movable die 8 which are matched with each other. A second hot nozzle 10 for injection molding is provided on the second movable mold 8. A second insert groove for mounting the movable insert 4 is provided in the second stationary mold 9. And a second positioning column 11 matched with the through hole is arranged on the second fixed die 9. The second positioning column 11 extends into the second insert groove, and a mold core is arranged at the top end of the second positioning column 11. Preferably, a sleeve 12 is sleeved outside the second positioning column 11; the sleeve 12 is fixedly arranged on the fixed die and positioned between the second positioning column 11 and the guide sleeve 5.
In order to improve the injection molding quality of a double-color injection molding product, a movable insert 7 is movably embedded and installed on the movable insert 4, and the movable insert 7 is positioned at the bottom of an injection molding groove. Carry out the finish machining to activity inserts 7 surface, can set up different patterns or characters sign at activity inserts 7 upper surface, adopt beryllium copper material simultaneously, the radiating effect is good, improves double-colored injection moulding product's shaping quality, can change the pattern and the characters that double-colored injection moulding product surface needs simultaneously through changing activity inserts 7.
In order to improve the mounting stability of the movable insert 4, a guide sleeve 5 is mounted at the lower part of the through hole; the guide sleeve 5 is coaxially arranged with the through hole. The guide sleeve 5 can be made of carburizing steel P4.
In order to better demould the double-color injection molding product, a top push plate 13 is arranged on the second fixed die 9; the second positioning column 11 is arranged on the top push plate 13; a top hole is arranged below the top push plate 13; the external ejector rod penetrates through the top hole to push the pushing plate 13, and drives the second positioning column 11 to move axially along the second positioning column 11.
The utility model discloses a process of moulding plastics: firstly, mounting a movable insert 4 on a first module and locating in a first insert groove, enabling a first positioning column 6 to penetrate into a through hole of the movable insert 4 to position the movable insert 4, closing a first fixed die 1 and a second movable die 8, and performing injection molding on the injection groove by a first hot nozzle 3 to complete one-time injection molding; taking out the movable insert 4 from the first module, putting the movable insert 4 into a second insert groove of a second module, enabling a second positioning column 11 to penetrate into a through hole of the movable insert 4 to position the movable insert 4, closing the first fixed die 1 and the second movable die 8, pushing a pushing plate 13 through an external ejector rod to enable the second positioning column 11 to be lifted upwards, then performing injection molding through a second hot nozzle 10, performing secondary injection molding at the top end of the second positioning column 11, and matching with a die core at the top end of the second positioning column 11 to realize injection molding, thereby completing the injection molding process of a double-color injection molded product; then the pushing plate 13 is reset downwards, the second positioning column 11 is separated from the double-shot injection product, the second fixed die 9 and the second movable die 8 are opened, the double-shot injection product is demoulded, and the injection molding process is completed. In order to improve the production efficiency, two movable inserts 4 can be adopted to match with the first module and the second module for cycle injection production.
Through the above-mentioned specific embodiment, the beneficial effects of the utility model are that: the utility model has the advantages of simple and reasonable structure, low in manufacturing cost, the die sinking process velocity is fast, does not need double-colored machine just to accomplish the product and moulds plastics, has had more selections on the board of moulding plastics, greatly reduced equipment input, double-colored injection moulding product shaping is of high quality, excellent in use effect.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. An injection mold of a double-color injection product is characterized by comprising a first module, a second module and a movable insert; an injection molding groove is formed in the movable insert, and a cylindrical through hole penetrating through the movable insert is formed in one side of the injection molding groove; the first module comprises a first fixed die and a first movable die which are matched with each other; a first hot nozzle for injection molding is arranged on the first movable die; a first insert groove for mounting the movable insert is formed in the first fixed die; a first positioning column matched with the through hole is fixedly arranged on the first fixed die, and the first positioning column extends into the first insert groove; the second module comprises a second fixed die and a second movable die which are matched with each other; a second hot nozzle for injection molding is arranged on the second movable die; a second insert groove for mounting the movable insert is formed in the second fixed die; a second positioning column matched with the through hole is arranged on the second fixed die; the second positioning column extends into the second insert groove, and a mold core is arranged at the top end of the second positioning column.
2. The injection mold of a two-color injection molding product according to claim 1, wherein a movable insert is movably embedded in the movable insert, and the movable insert is located at the bottom of the injection groove; the movable insert is made of beryllium copper.
3. An injection mold for a two-color injection molding product according to claim 2, wherein a guide bush is installed at a lower portion of the through hole; the guide sleeve and the through hole are coaxially arranged.
4. An injection mold for a two-color injection molded product according to claim 3, wherein a push plate is provided on the second fixed mold; the second positioning column is arranged on the top push plate; a top hole is formed below the top push plate; and the external ejector rod penetrates through the ejector hole to push the ejector plate, so as to drive the second positioning column to axially move along the second positioning column.
5. An injection mold for a two-shot injection molded product as recited in claim 3, wherein a sleeve is fitted over said second positioning post; the sleeve is fixedly installed on the fixed die and located between the second positioning column and the guide sleeve.
CN201920361269.0U 2019-03-20 2019-03-20 Injection mold of double-color injection product Active CN210336698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920361269.0U CN210336698U (en) 2019-03-20 2019-03-20 Injection mold of double-color injection product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920361269.0U CN210336698U (en) 2019-03-20 2019-03-20 Injection mold of double-color injection product

Publications (1)

Publication Number Publication Date
CN210336698U true CN210336698U (en) 2020-04-17

Family

ID=70173790

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920361269.0U Active CN210336698U (en) 2019-03-20 2019-03-20 Injection mold of double-color injection product

Country Status (1)

Country Link
CN (1) CN210336698U (en)

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