CN215359603U - Bury formula PIN needle injection mould - Google Patents
Bury formula PIN needle injection mould Download PDFInfo
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- CN215359603U CN215359603U CN202120417648.4U CN202120417648U CN215359603U CN 215359603 U CN215359603 U CN 215359603U CN 202120417648 U CN202120417648 U CN 202120417648U CN 215359603 U CN215359603 U CN 215359603U
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Abstract
The utility model relates to an embedded PIN injection mold, which comprises an upper mold and a lower mold, wherein a plurality of upper mold cores are arranged on the upper mold, a plurality of lower mold cores matched with the upper mold cores are arranged on the lower mold, a molding mold cavity is formed between the upper mold cores and the lower mold cores, a plurality of positioning blocking pieces are arranged on the upper mold, the molding mold cavity is divided into an injection molding area and a terminal area by the positioning blocking pieces, a connector shell is molded in the injection molding area, and a plurality of positioning grooves matched with terminals are formed in the positioning blocking pieces. When the mold is closed and injection molded, the terminals are embedded in the positioning grooves so as to be positioned and pressed, and the terminals are limited to deform due to the separation effect of the positioning barrier piece when glue is injected, so that the yield of products and the quality of the products are improved.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an embedded PIN injection mold.
Background
The connector is manufactured by inserting the PIN into the cavity of a mold and then closing the mold to injection mold the housing portion. Because the size of PIN needle is little, deformability is strong, easily receives the effect of penetrating gluey pressure and takes place to warp at the in-process of moulding plastics for two adjacent PIN needles overlap each other and take place to switch on, cause the connector yield lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, the present invention provides an embedded injection mold for PIN, which has a disadvantage of preventing the terminal from being deformed.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the embedded PIN injection mold comprises an upper mold and a lower mold, wherein a plurality of upper mold cores are arranged on the upper mold, a plurality of lower mold cores matched with the upper mold cores are arranged on the lower mold, a molding mold cavity is formed between the upper mold cores and the lower mold cores, a plurality of positioning blocking pieces are arranged on the upper mold, the positioning blocking pieces divide the molding mold cavity into an injection molding area and a terminal area, a connector shell is molded in the injection molding area, and a plurality of positioning grooves matched with terminals are formed in the positioning blocking pieces.
According to the technical scheme, when the die is closed and injected, the terminals are embedded in the positioning grooves, so that the terminals are positioned and pressed, the terminals are limited to deform due to the separation effect of the positioning barrier piece when glue is injected, and the yield and the product quality of products are improved.
As a preferred scheme of the present invention, the upper die core is provided with a positioning pin fitting with the positioning holes at both sides of the terminal, and the lower die core is provided with a containing hole fitting with the positioning pin fitting.
According to the technical scheme, the terminal is positioned through the positioning pin piece, and the positioning precision of the terminal is improved.
In a preferred embodiment of the present invention, the lower mold core is provided with a support pin for cooperating with the connector housing.
According to the technical scheme, the hole positions on the connector are formed through the supporting pins.
As a preferable scheme of the present invention, an injection hole is provided on the upper mold core between adjacent positioning stoppers.
According to the technical scheme, the needle valve of the hot runner system can be accommodated through the injection hole.
In a preferred embodiment of the present invention, a mold insert is provided in the lower die core.
According to the technical scheme, the lower part of the connector shell is convenient to form through the forming insert.
In conclusion, the utility model has the following beneficial effects:
the embodiment of the utility model provides an embedded PIN injection mold, which comprises an upper mold and a lower mold, wherein a plurality of upper mold cores are arranged on the upper mold, a plurality of lower mold cores matched with the upper mold cores are arranged on the lower mold, a molding mold cavity is formed between the upper mold cores and the lower mold cores, a plurality of positioning blocking pieces are arranged on the upper mold, the molding mold cavity is divided into an injection molding area and a terminal area by the positioning blocking pieces, a connector shell is molded in the injection molding area, and a plurality of positioning grooves matched with terminals are formed in the positioning blocking pieces. When the mold is closed and injection molded, the terminals are embedded in the positioning grooves so as to be positioned and pressed, and the terminals are limited to deform due to the separation effect of the positioning barrier piece when glue is injected, so that the yield of products and the quality of the products are improved.
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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of an upper mold core and a lower mold core in the embodiment of the present invention.
Fig. 3 is an exploded view of the upper mold core and the lower mold core in the embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. an upper die; 11. an upper mold core; 12. a locating pin member; 13. an injection hole; 2. a lower die; 21. a lower mold core; 22. a housing hole; 23. a support pin; 24. forming the insert; 3. a positioning barrier; 31. and (6) positioning a groove.
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.
Examples
The utility model provides an bury formula PIN needle injection mould, as shown in fig. 1 to 3, including last mould 1 and lower mould 2, upward be equipped with a plurality of upper mold cores 11 on the mould 1, be equipped with a plurality of lower mold cores 21 with last mold core 11 matched with on the lower mould 2, upward be formed with the shaping die cavity between mold core 11 and the lower mold core 21, upward be equipped with a plurality of location on the mould 1 and separate and keep off piece 3, the location separates to keep off piece 3 and separates into injection moulding district and terminal district with the shaping die cavity, the connector shell is shaping in the injection moulding district, and the location separates to keep off and is equipped with a plurality of constant head tanks 31 with terminal matched with on the piece 3.
The upper mold core 11 is provided with a positioning pin piece 12 matched with the positioning holes at two sides of the terminal, the lower mold core 21 is provided with a containing hole 22 matched with the positioning pin piece 12, the lower end of the positioning pin is cylindrical so as to be inserted into the positioning hole, the terminal is positioned through the positioning pin piece 12, and the positioning precision of the terminal is improved.
The lower mold core 21 is provided with a support pin 23 used for being matched with the connector shell, the support pin 23 is used for realizing the molding of the upper hole position of the connector, a molding insert 24 is arranged in the lower mold core 21, and the lower part shape of the connector shell is convenient to mold through the molding insert 24.
Meanwhile, an injection hole 13 is formed between adjacent positioning barriers 3 on the upper mold core 11, and a needle valve of the hot runner system can be accommodated through the injection hole 13, so that the injection molding raw material injected by the needle valve is located in an injection molding area.
When the mold is closed and injection molded, the terminals are embedded in the positioning grooves 31 so as to be positioned and pressed, and the terminals are limited to deform due to the separation effect of the positioning barrier pieces 3 when glue is injected, so that the yield of products and the quality of the products are improved.
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 utility model. 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. The embedded PIN injection mold is characterized by comprising an upper mold and a lower mold, wherein a plurality of upper mold cores are arranged on the upper mold, a plurality of lower mold cores matched with the upper mold cores are arranged on the lower mold, a molding mold cavity is formed between the upper mold cores and the lower mold cores, a plurality of positioning blocking pieces are arranged on the upper mold, the molding mold cavity is divided into an injection molding area and a terminal area by the positioning blocking pieces, a connector shell is molded in the injection molding area, and a plurality of positioning grooves matched with the terminals are formed in the positioning blocking pieces.
2. The embedded PIN injection mold of claim 1, wherein the upper mold core is provided with a positioning PIN fitting with the positioning holes at both sides of the terminal, and the lower mold core is provided with a receiving hole fitting with the positioning PIN fitting.
3. The embedded PIN injection mold of claim 2, wherein the lower mold core is provided with support PINs for mating with the connector housing.
4. The embedded PIN injection mold of claim 3, wherein an injection hole is formed in the upper mold core between adjacent positioning stoppers.
5. The embedded PIN injection mold of claim 4, wherein a molding insert is disposed within the lower mold core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417648.4U CN215359603U (en) | 2021-02-25 | 2021-02-25 | Bury formula PIN needle injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417648.4U CN215359603U (en) | 2021-02-25 | 2021-02-25 | Bury formula PIN needle injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215359603U true CN215359603U (en) | 2021-12-31 |
Family
ID=79623179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120417648.4U Active CN215359603U (en) | 2021-02-25 | 2021-02-25 | Bury formula PIN needle injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215359603U (en) |
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2021
- 2021-02-25 CN CN202120417648.4U patent/CN215359603U/en active Active
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