CN216300004U - Simple and easy general connector lead wire low pressure injection mold - Google Patents
Simple and easy general connector lead wire low pressure injection mold Download PDFInfo
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- CN216300004U CN216300004U CN202122963671.6U CN202122963671U CN216300004U CN 216300004 U CN216300004 U CN 216300004U CN 202122963671 U CN202122963671 U CN 202122963671U CN 216300004 U CN216300004 U CN 216300004U
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Abstract
The utility model discloses a simple and universal connector lead low-pressure injection mold which comprises an upper template, a lower template and a mold base; the upper template and the lower template are correspondingly provided with a plurality of connector placing grooves and connector cable grooves, each connector cable groove is communicated with one connector placing groove, the connector placing grooves on the upper template and the lower template which are correspondingly arranged up and down form connector cavities, cavity runners are arranged on the upper template and the lower template between every two adjacent connector cavities, injection molding runners are arranged on the cavity runners of the upper template, and pin holes are formed in the upper template and the lower template; the top surface of the upper part of the die holder is fixedly provided with a plurality of flanges for limiting a lower template, and the side surface of the lower part of the die holder is provided with a U-shaped groove matched with the workbench of the injection molding machine; the mold is simple and universal, can cover a plurality of connectors, can improve the moisture-proof performance of a product by low-pressure injection molding and packaging, ensures the reliability and stability of the product for long-term use, and is convenient to install, use and disassemble.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a simple and universal low-pressure injection mold for a connector lead.
Background
The ultralow pressure forming process is a packaging process method which injects a packaging material into a mould with very low injection pressure (2-20 bar) and quickly cures and forms (5-50 seconds) so as to achieve the effects of insulation, temperature resistance, shock resistance, vibration reduction, moisture prevention, water prevention, dust prevention, chemical corrosion resistance and the like. The process is mainly applied to packaging and protecting precise and sensitive electronic components at present, and comprises the following steps: printed Circuit Boards (PCBs), automotive electronics, cell phone batteries, wiring harnesses, waterproof connectors, sensors, micro-switches, inductors, antennas, and the like.
The electric connector is used as a circuit connection component widely applied to military systems such as aviation, aerospace and national defense, higher quality and reliability are required, the tail contact couple of the electric connector and a cable need to be in good contact, otherwise the normal work of the circuit is directly influenced, and safety of the whole host is involved. And the current connector afterbody adopts the welding mode to be connected with the cable junction, and the solder joint is fixed with the point glue mode, beats and glues required cycle length and has damp and hot test not enough problem.
The utility model combines the advantages of low-pressure injection molding technology, designs a simple and universal connector lead injection mold, covers various connectors in the market by modifying the internal cavity structure of the mold, and achieves the purpose of realizing high-quality and high-reliability connector products by using a low-cost mold design by utilizing an LM1100 type low-pressure injection molding machine produced by Gengyu corporation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a simple and universal connector lead low-pressure injection mold which adopts PA special hot melt adhesive as a packaging material, integrates a low-pressure forming machine, injects the packaging material into a mold by very low injection pressure and quickly cures and forms the packaging process method, realizes the fixation of the root of a connector lead welding spot, replaces the mode of dispensing and fixing the welding spot, realizes the purposes of improving the production efficiency, achieving the effects of insulation, temperature resistance, shock resistance, vibration reduction, moisture resistance, water resistance, dust resistance, chemical corrosion resistance and the like, improves the moisture resistance and heat resistance of key parts such as a connector lead and the like, and improves the reliability of a product.
The technical problem to be solved by the utility model is realized by the following technical scheme that the simple and universal low-pressure injection mold for the connector lead comprises an upper template, a lower template and a mold base which are sequentially arranged from top to bottom;
the upper template and the lower template are correspondingly provided with a plurality of connector placing grooves and connector cable grooves, each connector cable groove is communicated with one connector placing groove, the connector placing grooves on the upper template and the lower template which are correspondingly arranged up and down form connector cavities, cavity runners are arranged on the upper template and the lower template between every two adjacent connector cavities, injection molding runners are arranged on the cavity runners of the upper template, and pin holes are correspondingly arranged on the upper template and the lower template;
the die holder is characterized in that a plurality of flanges for limiting the lower template are fixedly arranged on the top surface of the upper part of the die holder, and a U-shaped groove matched with the workbench of the injection molding machine for use is formed in the side surface of the lower part of the die holder.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that at least two connector placing grooves are arranged on the upper template and the lower template of the simple and universal connector lead low-pressure injection mold.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the simple and universal connector lead low-pressure injection mold is characterized in that the cavity runner is positioned in the middle of the connector placing groove.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the simple and universal connector lead low-pressure injection mold is characterized in that a cavity runner is in a circular truncated cone-shaped through groove structure with a large upper part and a small lower part.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the simple and universal connector lead low-pressure injection mold is characterized in that two connector cavities are formed between the upper template and the lower template, and the two adjacent connector cavities are communicated through a cavity runner.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the number of the connector cavities formed between the upper template and the lower template is four, and two adjacent connector cavities are communicated through a cavity runner.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the simple and universal connector lead low-pressure injection mold is characterized in that the pin holes on the upper template are through holes, the pin holes on the lower template are blind holes, and at least two pin holes are arranged on the upper template and the lower template.
The technical problem to be solved by the utility model can be solved by adopting the technical scheme that the cavity runner is vertical to the connector cable groove.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the simple and universal connector lead low-pressure injection mold is provided with two U-shaped grooves which are symmetrically arranged on the side surface of the bottom of the mold base.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the rib is composed of a transverse rib and a longitudinal rib, and the transverse rib and the longitudinal rib are vertically arranged.
Compared with the prior art, the utility model has the beneficial technical effects that: the mold is simple and universal, can cover a plurality of connectors, can improve the moisture-proof performance of a product by low-pressure injection molding and packaging, ensures the reliability and stability of the product for long-term use, and is convenient to install, use and disassemble.
Drawings
FIG. 1 is a perspective view;
FIG. 2 is a top view;
FIG. 3 is a front view;
fig. 4 is a side view.
In the figure, 1, an upper template; 2. a lower template; 3. a connector placement groove; 4. a connector cable tray; 5. a cavity runner; 6. injection molding a runner; 7. a pin hole; 8. blocking edges; 9. a U-shaped groove; 10. and (4) die holders.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not limit the right thereto.
Embodiment 1, referring to fig. 1 to 4, a simple and universal connector lead low-pressure injection mold comprises an upper template 1, a lower template 2 and a mold base 10, which are sequentially arranged from top to bottom, wherein the upper template 1 and the lower template 2 can be in a square plate structure, and the shape and specification of the upper template 1 and the lower template 2 can be selected and customized according to the use requirement;
the connector structure comprises an upper template 1 and a lower template 2, wherein the upper template 1 and the lower template 2 are correspondingly provided with a plurality of connector placing grooves 3 and connector cable grooves 4, the shape and specification of the connector placing grooves 3 correspond to the specific shape and specification of connectors one by one, the connector cable grooves 4 are used for accommodating connector cables, each connector cable groove 4 is communicated with one connector placing groove 3, the upper template 1 and the connector placing grooves 3 on the lower template 2 which are correspondingly arranged up and down form a connector cavity, the upper template 1 and the lower template 2 between two adjacent connector cavities are provided with cavity runners 5, the cavity runners 5 of the upper template 1 are provided with injection molding runners 6, and the upper template 1 and the lower template 2 are also correspondingly provided with pin holes 7;
the upper top surface of the die holder 10 is fixedly provided with a plurality of flanges 8 for limiting the lower template 2, and the lower side surface of the die holder 10 is provided with a U-shaped groove 9 matched with the workbench of the injection molding machine.
In embodiment 1, the pin hole 7 is used for connecting the upper template 1 and the lower template 2 through an external pin, the U-shaped groove 9 is used for fixedly connecting the die holder 10 with the injection molding machine workbench, the U-shaped groove 9 is actually a rectangular groove formed in the side wall of the lower portion of the die holder 10, and the die holder 10 can be fixed by clamping the side surface of the rectangular groove through a tool clamp on the injection molding machine workbench.
In the simple and versatile low-pressure injection mold for connector leads described in embodiments 5 and 6, two or four connector cavities may be provided, that is, one-mold two cavities or one-mold four cavities, so as to satisfy the injection molding of multiple connector leads and key parts.
In example 10, specifically, the cross sections of the horizontal rib and the vertical rib are rectangular, and the edges of the horizontal rib and the vertical rib do not contact each other.
When the injection mold is used, firstly, a U-shaped groove 9 of a mold base 10 is fixedly clamped through a tool clamp on a workbench of an injection molding machine, the U-shaped groove 9 of the mold base 10 can be pressed and fixed through a square pressing plate which can be fixed on the workbench of the injection molding machine through a plurality of bolts, then a connector to be subjected to injection molding and packaging is placed into a connector placing groove 3 of a lower template 2, a connector lead wire is thrown out through a cable groove of the lower template 2, then the upper template 1 and the lower template 2 are connected and fixed through a positioning pin, the upper template 1 and the lower template 2 are horizontally placed on the mold base 10, the edge of the lower template 2 is attached to a transverse rib and a longitudinal rib to realize the positioning of the lower template 2, namely, an injection molding runner 6 can be subjected to injection molding through the injection molding machine, an injection molding material is subjected to injection molding on a welding spot of a connector lead wire part through a cavity runner 5 to achieve packaging, and a nozzle of the injection molding machine and the square pressing plate on the workbench ascend after the injection molding, after the mold is cooled, the upper and lower templates 2 are manually separated, and the injection molding product is taken out, so that the injection molding process can be completed.
Claims (10)
1. The utility model provides a simple and easy general connector lead wire low pressure injection mold which characterized in that: comprises an upper template, a lower template and a die holder which are arranged from top to bottom in sequence;
the upper template and the lower template are correspondingly provided with a plurality of connector placing grooves and connector cable grooves, each connector cable groove is communicated with one connector placing groove, the connector placing grooves on the upper template and the lower template which are correspondingly arranged up and down form connector cavities, cavity runners are arranged on the upper template and the lower template between every two adjacent connector cavities, injection molding runners are arranged on the cavity runners of the upper template, and pin holes are correspondingly arranged on the upper template and the lower template;
the die holder is characterized in that a plurality of flanges for limiting the lower template are fixedly arranged on the top surface of the upper part of the die holder, and a U-shaped groove matched with the workbench of the injection molding machine for use is formed in the side surface of the lower part of the die holder.
2. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the connector placing grooves on the upper template and the lower template are at least provided with two connector placing grooves.
3. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the cavity runner is positioned in the middle of the connector placing groove.
4. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the cavity runner is of a circular truncated cone-shaped through groove structure with a large upper part and a small lower part.
5. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the two connector cavities formed between the upper template and the lower template are communicated through a cavity runner.
6. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the number of the connector cavities formed between the upper template and the lower template is four, and two adjacent connector cavities are communicated through a cavity runner.
7. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the pin holes in the upper template are through holes, the pin holes in the lower template are blind holes, and at least two pin holes are formed in the upper template and the lower template.
8. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the cavity runner is perpendicular to the connector cable groove.
9. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the die holder is characterized in that the number of the U-shaped grooves is two, and the two U-shaped grooves are symmetrically arranged on the side face of the bottom of the die holder.
10. The simple and versatile connector lead low pressure injection mold of claim 1, wherein: the flanges are composed of a transverse flange and a longitudinal flange, and the transverse flange and the longitudinal flange are perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122963671.6U CN216300004U (en) | 2021-11-30 | 2021-11-30 | Simple and easy general connector lead wire low pressure injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122963671.6U CN216300004U (en) | 2021-11-30 | 2021-11-30 | Simple and easy general connector lead wire low pressure injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216300004U true CN216300004U (en) | 2022-04-15 |
Family
ID=81082748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122963671.6U Active CN216300004U (en) | 2021-11-30 | 2021-11-30 | Simple and easy general connector lead wire low pressure injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216300004U (en) |
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2021
- 2021-11-30 CN CN202122963671.6U patent/CN216300004U/en active Active
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