CN112277256B - Special die for producing aviation high-frequency connector - Google Patents
Special die for producing aviation high-frequency connector Download PDFInfo
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- CN112277256B CN112277256B CN202010968363.XA CN202010968363A CN112277256B CN 112277256 B CN112277256 B CN 112277256B CN 202010968363 A CN202010968363 A CN 202010968363A CN 112277256 B CN112277256 B CN 112277256B
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- plate
- shaped insert
- positioning
- insert
- female die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0036—Submerged or recessed burrs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/36—Plugs, connectors, or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the field of aviation electrical connector production equipment, in particular to a special die for producing an aviation high-frequency connector. Comprises a female die and a male die positioned below the female die; a molding cavity is arranged at the bottom of the female die, a first plate-shaped insert corresponding to the first slot is inserted into the molding cavity, and second plate-shaped inserts are arranged on the side parts of the first plate-shaped insert; a third plate-shaped insert extending into the forming cavity and needle-shaped inserts corresponding to third slots at two sides of the partition plate are arranged at the top of the male die, and the needle-shaped inserts are distributed at the top of the third plate-shaped insert in groups; the needle-shaped insert is provided with a forming part with the same shape as the second slot and a positioning part which is used for being matched with the female die to position the forming part, and the positioning part is formed by extending the forming part in the direction opposite to the third slot and then further extending upwards. The utility model can avoid the deformation of the mould under the action of huge injection molding impact force, thereby improving the product quality.
Description
Technical Field
The utility model relates to the field of aviation electrical connector production equipment, in particular to a special die for producing an aviation high-frequency connector.
Background
The high-frequency connector shown in fig. 10 to 12 is widely used in an avionic electrical control transmission device, and includes a circular base and partition plates arranged on the base at intervals, wherein a first slot is formed between the partition plates, third slots are respectively arranged on the side portions of the partition plates, and a second slot is further arranged at the bottom of the base and is communicated with the third slots at corresponding positions.
The high-frequency connector is produced and prepared by adopting materials such as nylon and the like through an injection molding process. The prior art injection mold generally comprises a female mold and a male mold located below the female mold; a molding cavity is arranged at the bottom of the female die, a first plate-shaped insert corresponding to the first slot is inserted into the molding cavity, and second plate-shaped inserts corresponding to the top of the partition plate are arranged on the side parts of the first plate-shaped insert; and a third plate-shaped insert which extends into the forming cavity and corresponds to the second slot at the bottom of the product and needle-shaped inserts which correspond to the third slots at the two sides of the partition plate are arranged at the top of the male die, and the needle-shaped inserts are distributed at the top of the third plate-shaped insert in groups. The needle-shaped insert is small, and the pressure in the formed cavity in the injection molding process can reach several tons, so that the needle-shaped insert is easy to deform in the injection molding process. On one hand, the deformation of the needle-shaped insert causes the damage of the mold, and the shape and the position of each slot in the product deviate; on the other hand, the product can generate excessive strip-shaped burrs, and the workload and the machining difficulty of later machining are increased.
Disclosure of Invention
The utility model aims to provide a special die for producing an aviation high-frequency connector, which avoids the deformation of the die under the action of huge injection molding impact force, thereby improving the product quality.
In order to solve the technical problems, the utility model adopts the technical scheme that: a special mold for producing an aviation high-frequency connector comprises a female mold and a male mold positioned below the female mold; a molding cavity is arranged at the bottom of the female die, a first plate-shaped insert corresponding to a first slot between the partition plates of the product is inserted into the molding cavity, and second plate-shaped inserts corresponding to the tops of the partition plates are arranged on the side parts of the first plate-shaped insert; a third plate-shaped insert which extends into the forming cavity and corresponds to a second slot at the bottom of the product and needle-shaped inserts which correspond to third slots at two sides of the partition plate are arranged at the top of the male die, and the needle-shaped inserts are distributed at the top of the third plate-shaped insert in groups;
the needle-shaped insert is provided with a forming part with the same shape as the second slot and a positioning part which is used for being matched with the female die to position the forming part, the positioning part is formed by extending the forming part towards the direction opposite to the third slot and then further extending upwards, a positioning inserting strip is formed by the part of the forming part extending towards the direction opposite to the third slot in the positioning part, and a positioning plug is formed by the part of the positioning part extending upwards; the side part of the first plate-shaped insert is provided with a plurality of positioning bulges distributed along the vertical direction, a first positioning groove for positioning and matching a positioning insert at a corresponding position is formed between any two adjacent positioning bulges, the first plate-shaped insert and an adjacent second plate-shaped insert are distributed at intervals, so that a second positioning groove is formed by a gap between the first plate-shaped insert and the adjacent second plate-shaped insert, and a positioning plug is inserted into the first positioning groove and is in positioning and matching with the second positioning groove after extending out of the first positioning groove.
Preferably, the upper end of the positioning plug is provided with a trapezoidal guide head.
Preferably, the third plate-shaped insert, the molding portion, the positioning portion, and the guide head are of an integrated structure.
Preferably, the female die comprises a female die holder and a female die sleeve detachably connected below the female die holder, and the male die comprises a male die holder and a male die sleeve detachably connected above the male die holder;
the female die base is provided with an injection molding hole communicated with the molding cavity, a detachable upper female die core and a detachable lower female die core are arranged in the female die sleeve, the upper edge of the lower female die core is vertically penetrated with the molding cavity, the upper edge of the upper female die core is transversely provided with a mounting groove for the first plate-shaped insert and the second plate-shaped insert to be mounted in a matched manner, the lower end of the first plate-shaped insert is provided with a two-way limiting bulge, the upper end of the first plate-shaped insert is provided with a first one-way limiting bulge, two sides of the two-way limiting bulge are matched with the lower edge of the upper female die core or the lower edge of the second plate-shaped insert for limiting, and the first one-way limiting bulge is matched with the second plate-shaped insert at the adjacent position for limiting;
the male die core is internally provided with a detachable male die core, the male die core is vertically provided with a mounting groove for the third plate-shaped insert and the needle-shaped insert to be mounted in a matched manner, the lower end of the third plate-shaped insert is provided with a second one-way limiting bulge, and the second one-way limiting bulge is in limiting fit with a limiting groove arranged at the bottom of the male die core.
Advantageous effects
The two sides of the first plate-shaped insert are provided with a plurality of positioning bulges, a first positioning groove is formed between every two adjacent positioning bulges, and a second positioning groove is also formed between every two adjacent first plate-shaped inserts and every two adjacent second plate-shaped inserts; the needle-shaped insert is provided with a positioning insert matched with the first positioning groove in a positioning way and a positioning plug matched with the second positioning groove in a positioning way, so that the peripheral positions of the needle-shaped insert in the horizontal direction are all positioned by corresponding positioning means, the needle-shaped insert has extremely high stability, impact force in the injection molding process is favorably resisted, stress deformation is avoided, and the effect of improving the product quality is achieved.
The positioning insert is formed by extending the forming part corresponding to the shape of the third slot and is integrally formed, and due to the extending characteristic of the positioning insert, redundant burrs cannot be generated on the periphery of the third slot after the die is removed, so that the workload and the working difficulty of later machining are reduced, and the overall machining efficiency of a product is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the interface of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is an enlarged partial view of portion D of FIG. 3;
FIG. 5 is a schematic perspective view of a male mold portion according to the present invention;
FIG. 6 is an enlarged partial view of portion B of FIG. 5;
FIG. 7 is an enlarged partial view of portion C of FIG. 5;
FIG. 8 is a schematic structural view of two cavity inserts of the present invention, wherein one of the cavity inserts includes an upper cavity insert and a lower cavity insert, and the other cavity insert is omitted;
FIG. 9 is a schematic perspective view of a first insert according to the present invention;
FIGS. 10-12 are schematic structural views of an aerospace high frequency connector product to be processed;
the labels in the figure are: 1. the injection molding device comprises a female die, 101, an injection molding hole, 102, a female die holder, 103, a female die sleeve, 104, an upper female die core, 105, a lower female die core, 2, a male die, 201, a male die sleeve, 202, a male die holder, 203, a male die core, 3, a second plate-shaped insert, 4, a first plate-shaped insert, 5, a second positioning groove, 6, an insert, 601, a guide head, 602, a positioning plug, 603, a positioning insert strip, 604, a needle-shaped part, 605, a positioning part, 7, a product, 701, a first slot, 702, a third slot, 703, a partition plate, 704, a second slot, 8, a third plate-shaped insert, 9, a cavity, 10, a first positioning groove, 11 and a positioning protrusion.
Detailed Description
As shown in fig. 1 and fig. 2, the special mold for producing an aviation high-frequency connector of the utility model comprises a female mold 1 and a male mold 2 which is positioned below the female mold 1 and is detachably connected to the female mold 1. The female die 1 comprises a female die holder 102 and a female die sleeve 103 detachably connected below the female die holder 102, two female die inserts are arranged in the female die sleeve 103 at intervals, a forming cavity 9 is arranged at the bottom of each female die insert, and a female die insert acting in the forming cavity 9 is arranged in each female die insert. The male die 2 comprises a male die holder 202 and a male die sleeve 201 detachably connected above the male die holder 202, two male die inserts 203 corresponding to the two female die inserts are arranged in the male die sleeve 201, and male die inserts acting in the molding cavity 9 are arranged in the male die inserts 203, so that a cavity for injection molding of the product 7 is enclosed by the molding cavity 9, the female die inserts and the male die inserts. The female die holder 102 is further provided with injection molding holes 101 connected with the two molding cavities 9, so that raw materials in a molten state are simultaneously injected into the two molding cavities 9 through the injection molding holes 101, and injection molding of the two products 7 is synchronously completed.
As shown in fig. 3, the master mold insert includes a first plate-shaped insert 4 corresponding to the first insert groove 701 and a second plate-shaped insert 3 distributed at a side of the first plate-shaped insert 4 and corresponding to a top of the spacer 703. The male mold insert comprises a third plate insert 8 corresponding to the second slot 704 and needle inserts 6 corresponding to the third slot 702, and the needle inserts 6 are distributed on the top of the third plate insert in groups, specifically:
as shown in connection with fig. 5 to 7, the pin insert 6 has a molding portion 604 having the same shape as the second insert groove 704 and a positioning portion 605 for fitting with the master model 1 to position the molding portion 604. Fig. 7 shows a schematic view of one of the core inserts 203 with the injection molded product 7, wherein the molding portion 604 of the pin insert 6 is hidden in the third slot 702 of the product 7 and the positioning portion 605 is exposed. The positioning portion 605 is formed by extending the forming portion 604 in a direction opposite to the third slot 702 and then extending upward. The auxiliary line (not actually present) in fig. 6 shows a boundary line between the molding portion 604 and the positioning portion 605. The positioning strip 603 is formed by the part of the positioning portion 605 extending from the forming portion 604 in the direction opposite to the third slot 702, the positioning plug 602 is formed by the part of the positioning portion 605 extending upward, and a trapezoidal guide head 601 is further disposed on the positioning plug 602. The third plate insert 8, the molding portion 604, the positioning portion 605, and the guide head 601 are formed as an integral structure.
As shown in fig. 8, the cavity core is composed of an upper cavity core 104 and a lower cavity core 105 which are detachably coupled. For convenience of illustration, one of the cavity inserts in fig. 8 includes the upper cavity insert 104 and the lower cavity insert 105 in their entirety, and the other cavity insert has the lower cavity insert 105 removed. As shown in fig. 9, the first plate-shaped insert 4 in fig. 8 is provided with a plurality of positioning protrusions 11 distributed in the vertical direction on the side portion thereof, and a first positioning groove 10 for positioning and matching a positioning insert 603 in a corresponding position is formed between any two adjacent positioning protrusions 11. As shown in fig. 3, the first slab-shaped insert 4 and the adjacent second slab-shaped insert 3 are spaced apart from each other to form a second positioning groove 5 by a gap between the first slab-shaped insert 4 and the adjacent second slab-shaped insert 3, and the second positioning groove 5 is configured to allow the positioning plug 602 to be inserted and positioned in the first positioning groove 10.
Through the structure of the needle-shaped insert 6, the first plate-shaped insert 4 and the second plate-shaped insert 3, the needle-shaped insert 6 is respectively positioned by the first plate-shaped insert 4 and the second plate-shaped insert 3 at corresponding positions in the left-right direction as shown in fig. 3, and is respectively limited by the two limiting protrusions at corresponding positions in the front-back direction as shown in fig. 3, so that the needle-shaped insert 6 is ensured to be stable in structure under the strong impact force of injection molding production, the service life of the mold is prolonged, and the quality of the injection molding product 7 is improved.
As can be seen from fig. 4, only the molding portion 604 of the pin insert 6 of the present invention has the same shape as the third socket 702 and is hidden in the third socket 702 of the product 7. And the positioning part 605 of the needle-shaped insert 6, which is integrated with the molding part 604, extends to the outside of the third slot 702, so that no redundant burr is generated on the periphery of the third slot 702 of the product 7 after the mold is removed, thereby reducing the workload and the working difficulty of the later machining and greatly improving the overall machining efficiency of the product 7.
In this embodiment, the cavity insert is transversely provided with mounting grooves for the first plate-shaped insert 4 and the second plate-shaped insert 3 to be mounted in a matching manner, the lower end of the first plate-shaped insert 4 is provided with a two-way limiting protrusion, the upper end of the first plate-shaped insert 4 is provided with a first one-way limiting protrusion, two sides of the two-way limiting protrusion are in a matching manner with the lower edge of the upper cavity insert 104 or the lower edge of the second plate-shaped insert 3 to be limited, and the first one-way limiting protrusion is in a matching manner with the second plate-shaped insert 3 at an adjacent position to be limited. The male die core 203 is vertically provided with a mounting groove for the third plate insert 8 and the needle insert 6 to be mounted in a matching manner, the lower end of the third plate insert 8 is provided with a second one-way limiting bulge, and the second one-way limiting bulge is in limiting fit with a limiting groove arranged at the bottom of the male die core 203. Through the arrangement mode, various die cores, the platy inserts and the needle-shaped inserts in the utility model have simple structures, are easy to process and produce, are convenient to replace locally, and greatly improve the applicability of the utility model.
Claims (2)
1. A special mold for producing an aviation high-frequency connector comprises a female mold (1) and a male mold (2) positioned below the female mold (1); a molding cavity (9) is arranged at the bottom of the female die (1), a first plate-shaped insert (4) corresponding to a first slot (701) between partition plates (703) of a product (7) is inserted into the molding cavity (9), and second plate-shaped inserts (3) corresponding to the tops of the partition plates (703) are arranged on the side parts of the first plate-shaped insert (4); the top of the male die (2) is provided with a third plate-shaped insert (8) which extends into the forming cavity (9) and corresponds to a second slot (704) at the bottom of the product (7) and needle-shaped inserts (6) which correspond to third slots (702) at two sides of the partition plate (703), and the needle-shaped inserts (6) are distributed on the top of the third plate-shaped insert (8) in groups, and the method is characterized in that:
the needle-shaped insert (6) is provided with a forming part (604) which has the same shape as the second slot (704) and a positioning part (605) which is used for being matched with the female die (1) to position the forming part (604), the positioning part (605) is formed by extending the forming part (604) towards the direction opposite to the third slot (702) and then further extending upwards, a positioning insert strip (603) is formed by the part of the forming part (604) extending towards the direction opposite to the third slot (702) in the positioning part (605), and a positioning plug (602) is formed by the part of the positioning part (605) extending upwards; the side part of the first plate-shaped insert (4) is provided with a plurality of positioning bulges (11) distributed along the vertical direction, a first positioning groove (10) for positioning and matching a positioning insert (603) at a corresponding position is formed between any two adjacent positioning bulges (11), the first plate-shaped insert (4) and an adjacent second plate-shaped insert (3) are distributed at intervals, a second positioning groove (5) is formed by a gap between the first plate-shaped insert (4) and the adjacent second plate-shaped insert (3), and a positioning plug (602) is inserted into the first positioning groove (10) and is positioned and matched by the second positioning groove (5);
the upper end of the positioning plug (602) is provided with a trapezoidal guide head (601);
the third plate-shaped insert (8), the molding part (604), the positioning part (605) and the guide head (601) are of an integrated structure.
2. The special mold for producing the aviation high-frequency connector as claimed in claim 1, wherein: the female die (1) comprises a female die holder (102) and a female die sleeve (103) detachably connected below the female die holder (102), and the male die (2) comprises a male die holder (202) and a male die sleeve (201) detachably connected above the male die holder (202); an injection molding hole (101) communicated with a molding cavity (9) is formed in a female die holder (102), an upper female die core (104) and a lower female die core (105) which are detachable are arranged in a female die sleeve (103), the molding cavity (9) is formed in the upper edge of the lower female die core (105) in a vertically penetrating mode, a mounting groove for the first plate-shaped insert (4) and the second plate-shaped insert (3) to be mounted in a matched mode is transversely formed in the upper edge of the upper female die core (104), a two-way limiting bulge is arranged at the lower end of the first plate-shaped insert (4), a first one-way limiting bulge is arranged at the upper end of the first plate-shaped insert, two sides of the two-way limiting bulge are matched and limited with the lower edge of the upper female die core (104) or the lower edge of the second plate-shaped insert (3), and the first one-way limiting bulge is matched and limited with the second plate-shaped insert (3) at an adjacent position;
be equipped with detachable public mould benevolence (203) in public mould cover (201), go up along vertical being equipped with in public mould benevolence (203) and supply third plate insert (8) and aciculiform insert (6) cooperation mounting groove of installing, the lower extreme of third plate insert (8) is equipped with the one-way spacing arch of second, the one-way spacing arch of second with set up the spacing cooperation in the spacing groove of public mould benevolence (203) bottom position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968363.XA CN112277256B (en) | 2020-09-15 | 2020-09-15 | Special die for producing aviation high-frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968363.XA CN112277256B (en) | 2020-09-15 | 2020-09-15 | Special die for producing aviation high-frequency connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112277256A CN112277256A (en) | 2021-01-29 |
| CN112277256B true CN112277256B (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010968363.XA Active CN112277256B (en) | 2020-09-15 | 2020-09-15 | Special die for producing aviation high-frequency connector |
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| Country | Link |
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| CN (1) | CN112277256B (en) |
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| Publication number | Publication date |
|---|---|
| CN112277256A (en) | 2021-01-29 |
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