CN219705940U - Multi-cavity injection molding equipment for connector rubber core - Google Patents
Multi-cavity injection molding equipment for connector rubber core Download PDFInfo
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- CN219705940U CN219705940U CN202320312370.3U CN202320312370U CN219705940U CN 219705940 U CN219705940 U CN 219705940U CN 202320312370 U CN202320312370 U CN 202320312370U CN 219705940 U CN219705940 U CN 219705940U
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- template
- cavity
- injection molding
- lead frame
- die
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of connector processing, in particular to multi-cavity injection molding equipment for a connector rubber core, which comprises a first template, a second template and a fixing structure, wherein the first template comprises a first cavity and a second cavity, and the second cavity comprises a first cavity and a second cavity: the first template and the second template are arranged in a butt joint way, the first template and the second template comprise a die holder and a plurality of die cores, the die holder is provided with a hollow cavity, and each die core is arranged in the hollow cavity; when the first template is matched with the second template, the mold core of the first template is matched with the mold core of the second template to form a cavity for injection molding of the terminal of the lead frame; the fixing structure is arranged at the joint of the die holder of the first template and the die holder of the second template and used for fixing the lead frame. The utility model effectively improves the processing quality of the connector rubber core.
Description
Technical Field
The utility model relates to the technical field of connector processing, in particular to multi-cavity injection molding equipment for a connector rubber core.
Background
At present, when the rubber core of the connector is subjected to injection molding, the terminal needs to be shunted from the lead frame, the terminal is arranged in injection molding equipment, and the rubber core is formed by injection molding on the terminal, but the terminal is fragile in structure after the lead frame is separated, is easily influenced by the outside and the injection molding temperature in the injection molding process, and causes abrasion or deformation, so that the quality of the finally formed rubber core of the connector is influenced.
Disclosure of Invention
The embodiment of the utility model provides multi-cavity injection molding equipment for a connector rubber core, which is used for solving the problem of poor processing quality of the connector rubber core in the prior art.
In order to solve the technical problems, the embodiment of the utility model provides multi-cavity injection molding equipment for a connector rubber core, which adopts the following technical scheme:
multi-cavity injection molding equipment of connector rubber core includes first template, second template and fixed knot constructs:
the first template and the second template are arranged in a involution mode, the first template and the second template comprise a die holder and a plurality of die cores, the die holder is provided with a hollow cavity, and each die core is arranged in the hollow cavity; when the first template is matched with the second template, the mold core of the first template is matched with the mold core of the second template to form a cavity for injection molding of a terminal of the lead frame;
the fixing structure is arranged at the involution joint of the die holder of the first die plate and the die holder of the second die plate and used for fixing the lead frame.
Preferably, the die holder of the first die plate is provided with a containing cavity for containing the lead frame;
the fixing structure comprises a positioning guide post arranged on the die holder of the first die plate, and one end, close to the second die plate, of the positioning guide post is positioned in the accommodating cavity; the positioning guide post is used for being matched with a positioning hole of the lead frame positioned on the accommodating cavity so as to fix the lead frame.
Preferably, the die holder of the second die plate is provided with an avoidance groove, and the avoidance groove is used for avoiding one end, close to the second die plate, of the positioning guide post.
Preferably, the width of the accommodating cavity is larger than the width of the avoidance groove;
the fixing structure further comprises a reinforcing guide post arranged on the die holder of the first die plate, and the reinforcing guide post is used for being abutted with the lead frame in the accommodating cavity.
Preferably, the multi-cavity injection molding equipment further comprises a base, wherein the base is provided with a main runner, a plurality of primary runners and a plurality of secondary runners;
one end of each primary runner is communicated with the main runner, the other end of each primary runner is communicated with one end of at least two secondary runners, and the other end of each secondary runner is communicated with the cavity of at least two mold cores on the second template
Compared with the prior art, the embodiment of the utility model has the following main beneficial effects: when the first template is matched with the second template, the lead frame between the first template and the second template is fixed by utilizing the fixing structure, so that the injection molding quality of terminals on the lead frame is guaranteed, a cavity in the first template and a cavity in the second template are enclosed to form a cavity for injection molding of the terminals of the lead frame to form a rubber core, and therefore the rubber core is injection molded on the terminals in a state that the terminals are not separated from the lead frame, and the processing efficiency and the processing quality of the rubber core of the connector are improved.
Drawings
FIG. 1 is a schematic perspective view of a multi-cavity injection molding apparatus for a connector core of the present utility model;
FIG. 2 is a schematic top view of a multi-cavity injection molding apparatus for a connector core of the present utility model;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the structure B-B of FIG. 2;
FIG. 5 is a schematic perspective view of a base in a multi-cavity injection molding apparatus for a connector core of the present utility model;
fig. 6 is a schematic perspective view of a lead frame in practical use of the multi-cavity injection molding apparatus for a connector core of the present utility model.
Reference numerals:
100. a first template; 200. a second template; 300. a die holder; 310. a receiving chamber; 320. an avoidance groove; 400. a mold core; 410. a cavity; 500. positioning guide posts; 600. reinforcing guide posts; 700. a base; 710. a main flow passage; 720. a first-stage flow path; 730. a secondary flow path; 800. a lead frame; 810. a terminal; 820. and positioning holes.
Detailed Description
The utility model will be further illustrated by the following examples, which are not intended to limit the scope of the utility model, in order to facilitate the understanding of those skilled in the art.
As shown in fig. 1 to 6, an embodiment of the present utility model provides a multi-cavity injection molding apparatus for a connector rubber core, which includes a first mold plate 100, a second mold plate 200, and a fixing structure:
the first template 100 and the second template 200 are arranged in a butt joint manner, and the first template 100 and the second template 200 both comprise a die holder 300 and a plurality of die cores 400, the die holder 300 is provided with a hollow cavity, and each die core 400 is arranged in the hollow cavity; when the first mold plate 100 and the second mold plate 200 are aligned, the mold core 400 of the first mold plate 100 and the mold core 400 of the second mold plate 200 are aligned to form a cavity 410 for injection molding the terminal 810 of the lead frame 800;
the fixing structure is disposed at the joint of the die holder 300 of the first die plate 100 and the die holder 300 of the second die plate 200, so as to fix the lead frame 800.
Specifically, when the first template 100 and the second template are aligned, the lead frame 800 between the first template 100 and the second template is fixed by using a fixing structure, so as to ensure the injection molding quality of the terminal 810 on the lead frame 800, and the cavity 410 on the first template 100 and the cavity 410 on the second template 200 are enclosed to form the cavity 410 for injection molding of the terminal 810 of the lead frame 800 to form a rubber core, so that the plastic core is injection molded on the terminal 810 in a state that the terminal 810 is not separated from the lead frame 800, and the processing efficiency and the processing quality of the connector rubber core are improved.
In this embodiment, the die holder 300 of the first die plate 100 is provided with a receiving cavity 310 for receiving the lead frame 800;
the fixing structure comprises a positioning guide post 500 installed on the die holder 300 of the first die plate 100, and one end of the positioning guide post 500, which is close to the second die plate 200, is located in the accommodating cavity 310; the positioning guide post 500 is configured to cooperate with a positioning hole 820 of the lead frame 800 located on the accommodating cavity 310 to fix the lead frame 800.
Specifically, a positioning hole 820 is formed in the lead frame 800; at the beginning, the positions of the mold core 400 and the positioning guide post 500 can be set according to the position of the positioning hole 820 on the lead frame 800, and when the first mold base 300 and the second mold base 300 are combined, the positioning guide post 500 moves along with the first mold base 300 and approaches the second mold base 300 until the first mold base 300 and the second mold base 300 are combined, and after the first mold base 300 and the second mold base 300 are combined, the positioning guide post 500 is inserted into the positioning hole 820 on the lead frame 800, so that the lead frame 800 is fixed, the fixing stability of the lead frame 800 is ensured, and the quality of forming a rubber core on the terminal 810 of the lead frame 800 is ensured.
In this embodiment, the die holder 300 of the second die plate 200 is provided with an avoidance groove 320, and the avoidance groove 320 is used for avoiding one end of the positioning guide post 500, which is close to the second die plate 200.
Specifically, the relief groove 320 is configured to prevent the positioning guide post 500 from striking the die holder 300 of the second die plate 200 when the first die plate 100 and the second die plate 200 are aligned, thereby avoiding damage to the die holder 300 of the second die plate 200.
In this embodiment, the width of the accommodating cavity 310 is greater than the width of the avoidance groove 320;
the fixing structure further includes a reinforcement guide post 600 mounted on the die holder 300 of the first die plate 100, where the reinforcement guide post 600 is used to abut against the lead frame 800 in the accommodating cavity 310.
Specifically, the width of the accommodating cavity 310 is greater than the width of the avoidance groove 320, so that the die holder 300 on the second die plate 200 has a space for supporting the lead frame 800 in the direction in which the second die plate 200 approaches the first die plate 100; after the first template 100 and the second template 200 are combined, the reinforcement guide post 600 on the first template 100 is abutted with the lead frame 800 in the accommodating cavity 310, so that the reinforcement of the lead frame 800 is realized, and the fixing stability of the lead frame 800 is further improved.
In this embodiment, the multi-cavity injection molding apparatus further includes a base 700, where the base 700 is provided with a main runner 710, a plurality of first-stage sub runners 720, and a plurality of second-stage sub runners 730;
one end of each primary runner 720 is communicated with the main runner 710, the other end of each primary runner 720 is communicated with one end of at least two secondary runners 730, and the other end of each secondary runner 730 is communicated with the cavity 410 of at least two mold cores 400.
Specifically, in practical application, one end of the main runner 710 is supplied with injection molding liquid, the main runner 710 shunts the injection molding liquid to each first-stage runner 720, and the first-stage runner 720 shunts the injection molding liquid to the second-stage runner 730, so that injection molding can be performed in the cavities 410 simultaneously through the arrangement of multi-stage shunting, and further injection molding efficiency and processing efficiency of the crosslinked rubber cores are improved.
In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific scope of protection of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" or "a second" feature may explicitly or implicitly include one or more such feature, and in the description of the utility model, the meaning of "a number" is two or more, unless otherwise specifically defined.
In the present utility model, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The above examples merely represent several embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. Multi-cavity injection molding equipment of connector rubber core, its characterized in that includes first template (100), second template (200) and fixed knot constructs:
the first template (100) and the second template (200) are arranged in a involution mode, the first template (100) and the second template (200) comprise a die holder (300) and a plurality of die cores (400), the die holder (300) is provided with a hollow cavity, and each die core (400) is arranged in the hollow cavity; when the first template (100) and the second template (200) are combined, the mold core (400) of the first template (100) and the mold core (400) of the second template (200) are combined to form a cavity (410) for terminal injection molding of a lead frame;
the fixing structure is arranged at the involution joint of the die holder (300) of the first die plate (100) and the die holder (300) of the second die plate (200) and is used for fixing the lead frame.
2. The multi-cavity injection molding apparatus of the connector rubber core according to claim 1, wherein the mold base (300) of the first mold plate (100) is provided with a receiving cavity (310) for receiving a lead frame;
the fixing structure comprises a positioning guide pillar (500) arranged on the die holder (300) of the first die plate (100), and one end, close to the second die plate (200), of the positioning guide pillar (500) is positioned in the accommodating cavity (310); the positioning guide post (500) is used for being matched with a positioning hole of the lead frame positioned on the accommodating cavity (310) so as to fix the lead frame.
3. The multi-cavity injection molding device of the connector rubber core according to claim 2, wherein the die holder (300) of the second die plate (200) is provided with an avoidance groove (320), and the avoidance groove (320) is used for avoiding one end, close to the second die plate (200), of the positioning guide post (500).
4. A multi-cavity injection molding apparatus of a connector core according to claim 3, wherein the width of the receiving cavity (310) is greater than the width of the relief groove (320);
the fixing structure further comprises a reinforcing guide post (600) arranged on the die holder (300) of the first die plate (100), and the reinforcing guide post (600) is used for being abutted with the lead frame in the accommodating cavity (310).
5. The multi-cavity injection molding apparatus of a connector core according to claim 1, further comprising a base (700), the base (700) being provided with a main runner (710), a plurality of primary runners (720) and a plurality of secondary runners (730);
one end of each primary runner (720) is communicated with the main runner (710), the other end of each primary runner (720) is communicated with one end of at least two secondary runners (730), and the other end of each secondary runner (730) is communicated with the cavity (410) of at least two mold cores (400) on the second template (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320312370.3U CN219705940U (en) | 2023-02-24 | 2023-02-24 | Multi-cavity injection molding equipment for connector rubber core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320312370.3U CN219705940U (en) | 2023-02-24 | 2023-02-24 | Multi-cavity injection molding equipment for connector rubber core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219705940U true CN219705940U (en) | 2023-09-19 |
Family
ID=87976181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320312370.3U Active CN219705940U (en) | 2023-02-24 | 2023-02-24 | Multi-cavity injection molding equipment for connector rubber core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219705940U (en) |
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2023
- 2023-02-24 CN CN202320312370.3U patent/CN219705940U/en active Active
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