A package molding mold for a connector
By improving the panel and template structure of the connector packaging mold, and combining the design of positioning shaft, stepped clamping block and sealing shell, the sealing and clamping problems were solved, and efficient and stable production of connectors was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO BAIDE ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-08-04
AI Technical Summary
Existing connector packaging molds have poor sealing performance, resulting in connectors with burrs, inconsistent dimensions, assembly difficulties, and serious plastic leakage, failing to completely fill the cavity, leading to incomplete workpieces or scrap.
The design employs a panel, upper template, and lower template, combined with a positioning shaft, stepped blocks, conical positioning components, and a sealing shell to ensure precise template fit. It also uses elastic buckles to clamp metal parts, achieving both sealing and clamping functions.
It improved the sealing of the mold, reduced burrs and plastic leakage, ensured the consistency of workpiece dimensions, and achieved complete molding and stable production of connectors.
Smart Images

Figure CN224588484U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mold technology, and in particular to a packaging mold for connectors. Background Technology
[0002] Molds are tools used in industrial production to shape objects, and they are usually composed of multiple parts. They achieve the shaping of objects by changing the physical state of the material being molded, and are often referred to as the "mother of industry." There are many types of molds, mainly including metal molds and non-metal molds, and common applications include injection molding, die casting, and stamping.
[0003] However, in the existing technology, the existing connector packaging molds have poor sealing performance, resulting in connectors with many burrs. Poor sealing between the mold plates leads to plastic leakage, which reduces and makes the amount of plastic entering the cavity less and more unstable. This can cause the produced workpieces to be smaller or inconsistent in size, exceeding the tolerance range, leading to assembly difficulties or functional failure. Severe leakage can also cause a large amount of plastic to be lost, and the cavity cannot be completely filled, resulting in incomplete workpieces with missing parts, which directly become scrap. Furthermore, the existing molds do not provide a clamping function, so that metal parts can be embedded in them along with the connector molding. Utility Model Content
[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a packaging mold for connectors.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a packaging mold for connectors, comprising: a panel, an upper mold plate, and a lower mold plate. The lower end of the panel is provided with four positioning shafts arranged in a mirror-symmetrical array. The lower end of the upper mold plate is provided with a stepped locking block. The left end of the stepped locking block is provided with an upper cavity. The top of the upper cavity is provided with six cores arranged in an equidistant array. The outer side of the upper cavity is provided with four conical positioning elements. The outer side of the lower mold plate is provided with four positioning grooves. The upper end of the lower mold plate is provided with a stepped locking groove. The left end of the stepped locking groove is provided with a lower cavity. The front and rear ends of the lower cavity are provided with injection ports. The top of the lower mold plate is provided with two movable frames arranged in a mirror-symmetrical array. A sealing shell is provided inside the movable frames.
[0006] In a preferred embodiment, a sealing shell is provided inside the mobile frame, an elastic buckle is provided at the front end of the sealing shell, a connecting rod is provided at the rear end of the elastic buckle, a main rod is provided at the rear end of the connecting rod, a tension member is provided at the rear end of the main rod, and two support members are provided at the top end of the sealing shell in a mirror-symmetrical array.
[0007] In a preferred embodiment, the lower end of the panel is fixedly connected to the upper end of the positioning shaft, the lower end of the upper template is fixedly connected to the upper end of the stepped block, the top end of the upper template is fixedly connected to the top end of the core, and the outer side of the upper template is fixedly connected to the outer side of the conical positioning component.
[0008] In a preferred embodiment, the outer side of the lower template is fixedly connected to the outer side of the positioning groove, the front and rear ends of the lower template are fixedly connected to the injection port, the top of the lower template is provided with a slot corresponding to the movable frame, and the left end of the lower template is provided with a slot corresponding to the sealing shell.
[0009] In a preferred embodiment, the inner side of the upper template is provided with a through groove corresponding to the positioning shaft, and the lower template is provided with a slot hole corresponding to the positioning shaft.
[0010] In a preferred embodiment, the inner side of the movable frame is fixedly connected to the outer side of the sealing shell. The front end of the sealing shell is provided with a slot for a corresponding elastic buckle. The elastic buckle is made of silicone base material and is fixedly connected to the connecting rod. The outer side of the connecting rod is provided with a rectangular protrusion, and the front end of the rectangular protrusion is provided with a spring.
[0011] In a preferred embodiment, the sealing shell has a hollow cavity in the middle section, a baffle is provided on the inner side of the sealing shell, and a slot for the connecting rod is provided on the baffle on the inner side of the sealing shell. The front end of the connecting rod is fixedly connected to the rear end of the main rod, the front end of the main rod is fixedly connected to the tension member, and the upper end of the sealing shell is connected to the bottom end of the support member by a fixing pin.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0013] This invention uses a positioning shaft to roughly align the upper and lower mold plates, preventing misalignment and collisions. A conical positioning component and positioning groove ensure that the conical surface of the upper and lower mold plates first contacts the positioning groove and provides precise guidance during mold closing. Finally, a line contact seal is formed at the root of the conical surface, allowing the upper and lower mold plates to fit precisely together. Stepped blocks and stepped grooves significantly reduce the area requiring high flatness between the mold plates, allowing for a tighter fit. Furthermore, elastic clips hold metal parts in place, enabling them to be embedded along with the connector during molding. Attached Figure Description
[0014] Figure 1 This utility model provides a structural schematic diagram of a packaging mold for connectors.
[0015] Figure 2 This utility model provides a schematic diagram of the lower template structure of a connector encapsulation molding mold.
[0016] Figure 3 This utility model provides a schematic diagram of the upper template structure of a connector encapsulation molding mold.
[0017] Figure 4 This is a partial cross-sectional view of the clamping component of a connector encapsulation molding die provided by this utility model.
[0018] Legend:
[0019] 1. Panel; 2. Upper template; 3. Positioning shaft; 4. Lower template; 5. Stepped locking block; 6. Stepped locking groove; 7. Conical positioning component; 8. Positioning groove; 9. Injection port; 10. Lower cavity; 11. Upper cavity; 12. Core; 13. Moving frame; 14. Sealing shell; 15. Elastic buckle; 16. Connecting rod; 17. Main rod; 18. Tensioning component; 19. Support component. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Example 1
[0022] like Figure 1-3 As shown, this utility model provides a technical solution: a packaging molding mold for connectors, comprising: a panel 1, an upper mold plate 2, and a lower mold plate 4. The lower end of the panel 1 is provided with four positioning shafts 3 arranged in a mirror-symmetrical array. The lower end of the upper mold plate 2 is provided with a stepped locking block 5. The left end of the stepped locking block 5 is provided with an upper cavity 11. The top of the upper cavity 11 is provided with six cores 12 arranged in an equidistant array. Four conical positioning elements 7 are provided on the outer side of the upper cavity 11. The outer side of the lower mold plate 4 is provided with four positioning grooves 8. The upper end of the lower mold plate 4 is provided with a stepped locking groove 6. The left end of the stepped locking groove 6 is provided with a lower cavity 10. The front and rear ends of the lower cavity 10 are provided with injection ports 9. The top of the lower mold plate 4 is provided with... Two movable frames 13 are arranged in a mirror symmetrical array. A sealing shell 14 is provided on the inner side of the movable frame 13. The lower end of the panel 1 is fixedly connected to the upper end of the positioning shaft 3. The lower end of the upper template 2 is fixedly connected to the upper end of the stepped card block 5. The top end of the upper template 2 is fixedly connected to the top end of the core 12. The outer side of the upper template 2 is fixedly connected to the outer side of the conical positioning component 7. The outer side of the lower template 4 is fixedly connected to the outer side of the positioning groove 8. The front and rear ends of the lower template 4 are fixedly connected to the injection port 9. The top end of the lower template 4 is provided with a corresponding slot of the movable frame 13. The left end of the lower template 4 is provided with a corresponding slot of the sealing shell 14. The inner side of the upper template 2 is provided with a through groove corresponding to the positioning shaft 3. The lower template 4 is provided with a slot hole corresponding to the positioning shaft 3.
[0023] In this embodiment, panel 1 is fixedly connected to positioning shaft 3. Upper template 2 is provided with a slot corresponding to positioning shaft 3, and lower template 4 is provided with a groove corresponding to positioning shaft 3. Positioning shaft 3 allows upper template 2 and lower template 4 to be roughly aligned, preventing mold misalignment and collision. Upper template 2 is fixedly connected to stepped locking block 5, and lower template 4 is provided with stepped locking groove 6 corresponding to stepped locking block 5. Stepped locking block 5 and stepped locking groove 6 can greatly reduce the area that needs to achieve high flatness between upper template 2 and lower template 4, allowing the templates to fit more tightly. Upper template 2 is fixedly connected to conical positioning component 7, and lower template 4 is fixedly connected to positioning groove 8. The upper mold plate 2 and the lower mold plate 4 are fixedly connected. Through the conical positioning part 7 and the positioning groove 8, the conical surface of the upper mold plate 2 and the lower mold plate 4 first contact the positioning groove 8 and are precisely guided when the mold is closed. Finally, the root of the conical surface forms a line contact seal, so that the upper mold plate 2 and the lower mold plate 4 can fit precisely. The injection port 9 is fixedly connected to the lower mold plate 4. Hot plastic liquid can be poured into the upper cavity 11 and the lower cavity 10 through the injection port 9. The connector can be produced through the upper cavity 11, the lower cavity 10 and the core 12. Through the cooperation of the above parts, the upper mold plate 2 and the lower mold plate 4 can fit more tightly, increase their sealing performance and reduce the burrs on the produced workpiece.
[0024] Example 2
[0025] like Figure 1-4 As shown, a sealing shell 14 is provided inside the movable frame 13. An elastic buckle 15 is provided at the front end of the sealing shell 14. A connecting rod 16 is provided at the rear end of the elastic buckle 15. A main rod 17 is provided at the rear end of the connecting rod 16. A tension member 18 is provided at the rear end of the main rod 17. Two support members 19 are arranged in a mirror-symmetrical array at the top of the sealing shell 14. The inner side of the movable frame 13 is fixedly connected to the outer side of the sealing shell 14. A slot corresponding to the elastic buckle 15 is provided at the front end of the sealing shell 14. The elastic buckle 15 is made of silicone base material and is fixedly connected to the connecting rod 16. A rectangular protrusion is provided on the outer side of the connecting rod 16. A spring is provided at the front end of the rectangular protrusion. A hollow cavity is provided in the middle section of the sealing shell 14. A baffle is provided inside the sealing shell 14. A slot corresponding to the connecting rod 16 is provided on the baffle inside the sealing shell 14. The front end of the connecting rod 16 is fixedly connected to the rear end of the main rod 17. The front end of the main rod 17 is fixedly connected to the tension member 18. The upper end of the sealing shell 14 is connected to the bottom end of the support member 19 by a fixing pin.
[0026] In this embodiment, the movable frame 13 is fixedly connected to the sealing shell 14. The movable frame 13 allows the sealing shell 14 to be removed when the mold is opened. The elastic buckle 15 is made of silicone, which has good high-temperature resistance and resilience, and will not be damaged by high-temperature molten plastic. It can also recover its original shape after repeated compression and is not easily deformed. Metal parts can be clamped using the elastic buckle 15. The front end of the sealing shell 14 has a corresponding slot for the elastic buckle 15. Pulling the tensioning member 18 can move the main rod 17, which in turn moves the connecting rod 16. The elastic buckle 15 retracts into the slot on the sealing shell 14, releasing the elastic buckle 15 from fixing the metal part. The spring allows the elastic buckle 15 to return to its original position. The upper end of the sealing shell 14 is connected to the bottom end of the support member 19 by a fixing pin. The tension member 18 is provided with a corresponding slot for the support member 19. By rotating the support member 19, the support member 19 is rotated into the slot of the tension member 18, which allows the support member 19 to fix the tension member 18 after it has been pulled. Through the cooperation of the above parts, the metal part can be clamped and released.
[0027] Working principle:
[0028] like Figure 1-4 As shown, the positioning shaft 3 allows the upper mold plate 2 and the lower mold plate 4 to be roughly aligned, preventing mold misalignment and collision. The stepped locking block 5 and the stepped locking groove 6 greatly reduce the area that the upper mold plate 2 and the lower mold plate 4 need to achieve high flatness, allowing the mold plates to fit more tightly. The conical positioning component 7 and the positioning groove 8 ensure that the conical surface of the upper mold plate 2 and the lower mold plate 4 first contacts the positioning groove 8 and is precisely guided when the mold is closed. Finally, a line contact seal is formed at the root of the conical surface, allowing the upper mold plate 2 and the lower mold plate 4 to fit precisely. By pouring hot molten plastic into the injection port 9, the molten plastic flows into the upper cavity 11, the lower cavity 10 and the core 12, forming a connector part. When the upper mold plate 2 and the lower mold plate 4 separate, the sealing shell can be moved by the moving frame 13. 14 is removed from the lower template 4. The sealing shell 14 can be fixed by the corresponding slots on the lower template 4 for the moving frame 13 and the sealing shell 14. The metal part can be clamped by the elastic buckle 15. By pulling the tension member 18, the main rod 17 can be moved, which in turn moves the connecting rod 16, causing the elastic buckle 15 to retract into the slot on the sealing shell 14, releasing the metal part from the fixation of the elastic buckle 15. The metal part can be embedded in the connector along with its molding. The elastic buckle 15 can return to its original position by the spring's rebound. By rotating the support member 19, the support member 19 can be rotated into the slot of the tension member 18, allowing the support member 19 to fix the tension member 18 after it has been pulled, so that the sealing shell 14 can be easily removed from the lower template 4.
[0029] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A packaging mold for a connector, comprising: A panel (1), an upper template (2), and a lower template (4) are characterized in that: four positioning shafts (3) are arranged in a mirror symmetrical array at the lower end of the panel (1); a stepped locking block (5) is arranged at the lower end of the upper template (2); an upper cavity (11) is arranged at the left end of the stepped locking block (5); six cores (12) are arranged in an equidistant array at the top of the upper cavity (11); four conical positioning parts (7) are arranged on the outside of the upper cavity (11); four positioning grooves (8) are arranged on the outside of the lower template (4); a stepped slot (6) is arranged at the upper end of the lower template (4); a lower cavity (10) is arranged at the left end of the stepped slot (6); injection ports (9) are arranged at both the front and rear ends of the lower cavity (10); two movable frames (13) are arranged in a mirror symmetrical array at the top of the lower template (4); and a sealing shell (14) is arranged inside the movable frame (13).
2. The packaging mold for a connector according to claim 1, characterized in that: The inner side of the mobile frame (13) is provided with a sealing shell (14), the front end of the sealing shell (14) is provided with an elastic buckle (15), the rear end of the elastic buckle (15) is provided with a connecting rod (16), the rear end of the connecting rod (16) is provided with a main rod (17), the rear end of the main rod (17) is provided with a tension member (18), and the top end of the sealing shell (14) is provided with two support members (19) arranged in a mirror symmetrical array.
3. The encapsulation molding die for a connector according to claim 1, characterized in that: The lower end of the panel (1) is fixedly connected to the upper end of the positioning shaft (3), the lower end of the upper template (2) is fixedly connected to the upper end of the stepped card block (5), the top end of the upper template (2) is fixedly connected to the top end of the core (12), and the outer side of the upper template (2) is fixedly connected to the outer side of the conical positioning component (7).
4. The encapsulation molding die for a connector according to claim 1, characterized in that: The lower template (4) is fixedly connected to the outside of the positioning groove (8), and the front and rear ends of the lower template (4) are fixedly connected to the injection port (9). The top of the lower template (4) is provided with a slot corresponding to the moving frame (13), and the left end of the lower template (4) is provided with a slot corresponding to the sealing shell (14).
5. A packaging mold for a connector according to claim 1, characterized in that: The upper template (2) has a through groove corresponding to the positioning shaft (3) on its inner side, and the lower template (4) has a slot corresponding to the positioning shaft (3).
6. A packaging mold for a connector according to claim 2, characterized in that: The inner side of the movable frame (13) is fixedly connected to the outer side of the sealing shell (14). The front end of the sealing shell (14) is provided with a slot for a corresponding elastic buckle (15). The elastic buckle (15) is made of silicone base material. The elastic buckle (15) is fixedly connected to the connecting rod (16). The outer side of the connecting rod (16) is provided with a rectangular protrusion, and the front end of the rectangular protrusion is provided with a spring.
7. A packaging mold for a connector according to claim 2, characterized in that: The sealing shell (14) has a hollow cavity in the middle section. A baffle is provided on the inner side of the sealing shell (14). The baffle on the inner side of the sealing shell (14) has a slot corresponding to the connecting rod (16). The front end of the connecting rod (16) is fixedly connected to the rear end of the main rod (17). The front end of the main rod (17) is fixedly connected to the tension member (18). The upper end of the sealing shell (14) is connected to the bottom end of the support member (19) by a fixing pin.