CN219855728U - Double-injection molding die structure - Google Patents
Double-injection molding die structure Download PDFInfo
- Publication number
- CN219855728U CN219855728U CN202320292811.8U CN202320292811U CN219855728U CN 219855728 U CN219855728 U CN 219855728U CN 202320292811 U CN202320292811 U CN 202320292811U CN 219855728 U CN219855728 U CN 219855728U
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- mold
- die
- injection molding
- ejection
- lower die
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 43
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims description 40
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 6
- 239000004944 Liquid Silicone Rubber Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 210000001161 mammalian embryo Anatomy 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 229920001296 polysiloxane Polymers 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a double-injection molding die structure, which comprises a lower die and an upper die, wherein the upper die is positioned at the upper end of the lower die, a molding structure is arranged between the lower die and the upper die, and an ejection structure is arranged in the lower die; the forming structure comprises: the utility model relates to the technical field of molds, in particular to a molding structure adopted in the scheme, which realizes the purpose of molding double materials in a set of mold blanks; through the mode of utilizing the rotation function transfer back mould of board, realize the shaping of two materials through the position that shifts the back mould of both sides in same cover mould embryo, this technique is favorable to reducing manufacturing cost, promotes production efficiency.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die structure for double-shot forming.
Background
At present, 3C products, waterproof precision parts, various small-sized PC (personal computer) coated silica gel products, metal piece coated silica gel products and the like need to be processed in a mode of mold processing when in production, in the existing mold, two sets of mold blanks or two rear molds of a front mold are needed for realizing double-injection molding, the mold production period needs longer time, and the mold production cost is relatively high.
Disclosure of Invention
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the die structure for double-shot forming comprises a lower die and an upper die, wherein the upper die is positioned at the upper end of the lower die, a forming structure is arranged between the lower die and the upper die, and an ejection structure is arranged in the lower die;
the forming structure comprises: the device comprises a first injection molding plastic mold, a second injection molding silicone mold, a first mold, a second mold, a plastic rubber inlet pipe, a positioning component and a liquid silicone rubber injection machine head;
the first injection molding plastic rubber mold is located at the front side of the lower end of the upper mold, the second injection molding plastic rubber mold is located at the rear side of the lower end of the upper mold, the first mold and the second mold are located at two sides of the upper end of the lower mold respectively, one end of the plastic rubber feeding pipe is attached to one side between the upper mold and the lower mold, two ends of the positioning assembly are located in the upper mold and the lower mold respectively, and the liquid silicone rubber injection machine head is connected with the upper end of the upper mold.
Preferably, the positioning assembly comprises: four locating holes and four locating columns;
the four positioning holes are respectively formed in four corners of the upper end of the lower die, and the four positioning columns are respectively arranged at four corners of the lower end of the upper die.
Preferably, the ejection structure includes: the device comprises an operation cavity, four ejection cylinders and two ejection plates;
the operation cavity is arranged in the lower die, the four telescopic ends of the ejection oil cylinders are respectively arranged at two sides of the lower end of the lower die, and two ends of the ejection plate are respectively connected with the four ejection oil cylinders.
Preferably, the upper end of the ejector plate is provided with a plurality of ejector pins.
Preferably, the ejector pin is movably embedded in the lower die.
Preferably, the four corners of the upper ends of the first injection molding plastic mold and the second injection molding plastic mold are respectively provided with a positioning pin.
The utility model provides a die structure for double-shot forming. The beneficial effects are as follows: the forming structure adopted in the scheme realizes the purpose of forming double materials in one set of die blanks; through the mode of utilizing the rotation function transfer back mould of board, realize the shaping of two materials through the position that shifts the back mould of both sides in same cover mould embryo, this technique is favorable to reducing manufacturing cost, promotes production efficiency.
Drawings
Fig. 1 is a schematic front view of a mold structure for dual injection molding according to the present utility model.
Fig. 2 is a schematic rear view of a mold structure for dual injection molding according to the present utility model.
Fig. 3 is a schematic side view of a mold structure for dual injection molding according to the present utility model.
Fig. 4 is a schematic bottom perspective view of a mold structure for dual injection molding according to the present utility model.
In the figure: 1. the plastic injection device comprises a lower die, 2, an upper die, 201, a first injection molding plastic rubber die, 202, a second injection molding plastic rubber die, 3, a first die, 4, a second die, 5, a plastic rubber inlet pipe, 6, a liquid silica gel injection machine head, 7, a positioning hole, 8, a positioning column, 9, an operation cavity, 10, an ejection cylinder, 11, an ejection plate, 12, an ejector pin, 13 and a positioning pin.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-4, a double-injection molding die structure comprises a lower die 1 and an upper die 2, wherein the upper die 2 is positioned at the upper end of the lower die 1, a molding structure is arranged between the lower die 1 and the upper die 2, and an ejection structure is arranged in the lower die 1;
the forming structure comprises: the plastic injection molding machine comprises a first injection molding plastic mold 201, a second injection molding plastic mold 202, a first mold 3, a second mold 4, a plastic rubber inlet pipe 5, a positioning component and a liquid silicone injection machine head 6;
the first injection molding plastic mold 201 is located the front side of the lower end of the upper mold 2, the second injection molding plastic mold 202 is located the rear side of the lower end of the upper mold 2, the first mold 3 and the second mold 4 are located on two sides of the upper end of the lower mold 1 respectively, one end of the plastic rubber inlet pipe 5 is attached to one side between the upper mold 2 and the lower mold 1, two ends of the positioning component are located the upper mold 2 and the lower mold 1 respectively, and the liquid silicone injection machine head 6 is connected with the upper end of the upper mold 2.
It should be noted that, first, the lower mold 1 and the upper mold 2 are installed on the injection molding machine, the upper mold 2 and the lower mold 1 are clamped, then one end of the plastic rubber feeding pipe 5 is attached to the rubber injection port between the lower mold 1 and the upper mold 2, the first injection molding plastic mold 201 and the first mold 3 are injected with the plastic rubber feeding pipe 5, after the injection is completed, the upper mold 2 and the lower mold 1 are separated, the lower mold 1 is rotated 180 degrees by the injection molding machine, and after the rotation is completed, the injection operation of the liquid silicone rubber is realized for the upper mold, the second injection molding plastic mold 202 and the first mold 3 which have completed the plastic molding by the liquid silicone rubber injection machine head 6 of the injection molding machine. The first injection molding plastic mold 201 and the second mold 4 realize alignment after the previous rotation operation while the liquid silicone injection machine head 6 is in operation, and the injection operation of the liquid silicone injection machine head 6 and the injection operation of the plastic injection pipe 5 are respectively and synchronously completed by injecting the plastic into the plastic injection pipe 5 to the first injection molding plastic mold 201 and the second mold 4; after the two glue injection actions are completed, separating the upper die 2 from the lower die 1 again, and driving an ejection mechanism through an oil cylinder to eject the product on the first die 3 for completing the injection of the liquid silica gel; and (5) after ejection, rotating the mold closing injection again, so as to circulate.
In an implementation, the positioning assembly includes: four positioning holes 7 and four positioning columns 8;
four locating holes 7 are respectively formed in four corners of the upper end of the lower die 1, and four locating columns 8 are respectively arranged in four corners of the lower end of the upper die 2.
It should be noted that, through four locating holes 7 and four reference columns 8 cooperation that set up, guarantee laminating position and laminating intensity between upper die 2 and lower die 1.
In a specific implementation process, the ejection structure includes: an operation cavity 9, four ejection cylinders 10 and two ejection plates 11;
the operation cavity 9 is arranged in the lower die 1, the telescopic ends of the four ejection cylinders 10 are respectively arranged at two sides of the lower end of the lower die 1, and two ends of the two ejection plates 11 are respectively connected with the four ejection cylinders 10.
When the product is ejected, the four ejection cylinders 10 are driven to work, the lower die 1 is pushed by the ejection cylinders 10, the ejection cylinders 10 drive the ejection plate 11 to move upwards in the operation cavity 9, and the product is ejected by the ejector pins 12 at the upper end of the ejection plate 11.
In a specific implementation process, the upper end of the ejector plate 11 is provided with a plurality of ejector pins 12.
In the specific implementation process, the ejector pin 12 is movably embedded in the lower die 1.
In a specific implementation process, four corners of the upper ends of the first injection molding plastic mold 201 and the second injection molding plastic mold 202 are respectively provided with a positioning pin 13.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The double-injection molding die structure comprises a lower die (1) and an upper die (2), and is characterized in that the upper die (2) is positioned at the upper end of the lower die (1), a molding structure is arranged between the lower die (1) and the upper die (2), and an ejection structure is arranged in the lower die (1);
the forming structure comprises: the device comprises a first injection molding plastic mold (201), a second injection molding plastic mold (202), a first mold (3), a second mold (4), a plastic rubber inlet pipe (5), a positioning component and a liquid silicone rubber injection machine head (6);
the plastic injection molding machine comprises a first injection molding plastic mold (201), a second injection molding plastic mold (202), a first mold (3) and a second mold (4), wherein the first injection molding plastic mold is located at the front side of the lower end of an upper mold (2), the second injection molding plastic mold (202) is located at the rear side of the lower end of the upper mold (2), the first mold (3) and the second mold (4) are located at two sides of the upper end of a lower mold (1), one end of a plastic rubber feeding pipe (5) is attached to one side between the upper mold (2) and the lower mold (1), two ends of a positioning assembly are located in the upper mold (2) and the lower mold (1) respectively, and a liquid silica gel injection machine head (6) is connected with the upper end of the upper mold (2).
2. The dual injection mold structure of claim 1, wherein the positioning assembly comprises: four positioning holes (7) and four positioning columns (8);
four locating holes (7) are respectively formed in four corners of the upper end of the lower die (1), and four locating columns (8) are respectively arranged at four corners of the lower end of the upper die (2).
3. The dual injection mold structure of claim 1, wherein the ejector structure comprises: an operation cavity (9), four ejection cylinders (10) and two ejection plates (11);
the operation cavity (9) is formed in the lower die (1), the telescopic ends of the four ejection oil cylinders (10) are respectively arranged on two sides of the lower end of the lower die (1), and two ends of the two ejection plates (11) are respectively connected with the four ejection oil cylinders (10).
4. A two-shot forming die structure according to claim 3, wherein the ejector plate (11) has a plurality of ejector pins (12) at its upper end.
5. The double injection molding die structure according to claim 4, wherein the ejector pin (12) is movably embedded in the lower die (1).
6. The double-injection molding die structure according to claim 1, wherein positioning pins (13) are arranged at four corners of the upper ends of the first injection molding plastic die (201) and the second injection molding plastic die (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292811.8U CN219855728U (en) | 2023-02-23 | 2023-02-23 | Double-injection molding die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292811.8U CN219855728U (en) | 2023-02-23 | 2023-02-23 | Double-injection molding die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219855728U true CN219855728U (en) | 2023-10-20 |
Family
ID=88339931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320292811.8U Active CN219855728U (en) | 2023-02-23 | 2023-02-23 | Double-injection molding die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219855728U (en) |
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2023
- 2023-02-23 CN CN202320292811.8U patent/CN219855728U/en active Active
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