Die-casting die for metal protective shell of wiring terminal of PCU side connector

By designing a die-casting mold with a sliding core and a core holding mechanism, the interference problem of the die-casting mold when processing the metal protective shell of the PCU side connector terminal was solved, realizing efficient production and high-precision molding of multiple products and improving market competitiveness.

CN223571983UActive Publication Date: 2025-11-21DONGGUAN GRACE METAL PROD CO LTD
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Patent Information

Application Number
CN202422954522.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-21
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

When processing the metal protective shell of the PCU side connector terminal using existing die-casting molds, the vertical and horizontal hole structures are prone to interference, affecting processing efficiency and making them unsuitable for simultaneous production of multiple products, resulting in weak market competitiveness.

Method used

A die-casting mold was designed, comprising a front mold, a rear mold, a front mold core, a rear mold core, a sliding core mechanism, and a core holding mechanism. The sliding core mechanism enables the movement and position holding of the core, while the core holding mechanism prevents backflow, ensuring the accuracy of the horizontal hole forming. The finished product is ejected by an ejector pin.

Benefits of technology

Simultaneous die casting of metal protective shells for multiple PCU-side connector terminals was achieved, improving mold opening efficiency and finished product quality, ensuring the accuracy of horizontal holes and forming effect, and reducing mold interference and wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a die-casting die for a wiring terminal metal protective shell of a PCU side connector. The die-casting die comprises a front die, a rear die, a front die core, a rear die core, a sliding core mechanism and a core maintaining mechanism. According to the utility model, the plurality of cavities are arranged, the plurality of cavities can be convenient for simultaneously die-casting a plurality of wiring terminal metal protective shells of PCU side connectors, the mold core is arranged, the mold core can be convenient for forming a transverse hole in the product, and the sliding mold core mechanism is arranged, so that the movement of the mold core can be conveniently realized, and the production efficiency is improved when the mold is opened. The mold core can transversely move away from a formed product so as to effectively guarantee smooth mold opening, meanwhile, the mold core maintaining mechanism is further arranged and can maintain the position of the mold core after mold closing, the situations that the mold core retreats and the like are effectively avoided, and therefore the precision of a formed transverse hole is effectively guaranteed, and the quality of a finished product is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to die casting mould design field especially is concerned with a kind of PCU side connector's wiring terminal metal protection shell die casting mould. BACKGROUND

[0002] Die casting is a kind of metal casting process, using the cavity of mould to melt the metal raw material and obtain casting by high pressure and setting by cooling. Die casting is particularly suitable for manufacturing a large number of small and medium-sized castings, with high production efficiency, high dimensional accuracy and other advantages. The wiring terminal metal protection shell of PCU (automobile power control unit) side connector can also be applied to die casting processing.

[0003] Die casting processing often needs to use die casting mould, but some PCU side connector's wiring terminal metal protection shell will be provided with vertical hole and horizontal hole perpendicular to vertical hole, when die casting processing is carried out by conventional die casting mould, structure that can form vertical hole and horizontal hole is directly set on die, the above-mentioned structure often interferes when opening mould, seriously affect the die casting processing. In addition, common die casting mould is not conducive to the simultaneous production of multiple PCU side connector's wiring terminal metal protection shell, and market competitiveness is weak. SUMMARY

[0004] The utility model aims at providing a kind of PCU side connector's wiring terminal metal protection shell die casting mould, can solve one or more of the above problems.

[0005] According to one aspect of the utility model, a kind of PCU side connector's wiring terminal metal protection shell die casting mould is provided, including front mould, back mould, front die, back die, sliding core mechanism and core maintaining mechanism,

[0006] The front die is connected on the front mould, and the back die is connected on the back mould,

[0007] The front mould and back mould are connected, and the front die and back die can be abutted, and multiple cavities are enclosed, the sliding core mechanism and core maintaining mechanism are all multiple,

[0008] The sliding core mechanism and core maintaining mechanism are all installed on the back mould, and multiple sliding core mechanisms can be one by one inserted into multiple cavities, and multiple core maintaining mechanisms are connected with multiple sliding core mechanisms.

[0009] The utility model discloses beneficial effect is: the utility model discloses, multiple cavities can be convenient for the wiring terminal metal protection shell of multiple PCU side connector's die casting obtains simultaneously, and because of setting up the core, the core can be convenient for the forming of the transverse hole in above -mentioned product, still because setting up sliding core mechanism, can be convenient for realizing the movement of core, the core can be transversely removed and leave the forming product when opening the mould, to effectively guarantee the smooth operation of opening the mould, simultaneously, still be provided with core maintaining mechanism, its can keep the position of core after closing the mould, effectively avoid the core to retreat and so on, to this effective guarantee the precision of forming transverse hole, improve the finished product quality.

[0010] In some embodiments, the sliding core mechanism includes a core, a sliding block, a guide rail and an inclined rod, the guide rail is installed on the rear mold, the sliding block is slidably arranged on the guide rail, one side of the sliding block is connected with the core, an inclined hole is arranged on the sliding block, one end of the inclined rod is connected to the front mold, and the other end can pass through the inclined hole. When the front mold and the rear mold move relative to each other, the sliding block can be driven to slide along the guide rail through the inclined rod, so that the core can move to meet the needs of opening or closing the mold, without the need for an additional driving mechanism to drive the sliding block to move, so that the synchronization rate of the movement of the sliding block and the front and rear molds is higher, the occurrence of interference is reduced, and the opening and closing efficiency is higher.

[0011] In some embodiments, the core maintaining mechanism includes a bolt, a bolt seat and a spring, the bolt seat is installed on the rear mold, the bolt is installed on the bolt seat, one end of the bolt is connected with the sliding block, and the other end is provided with a screw head, one end of the spring abuts against the bolt seat, and the other end abuts against the screw head. After closing the mold, the spring can maintain the current position of the sliding block by relying on the elastic force thereof, so as to effectively reduce the probability of the core retreating during die casting.

[0012] In some embodiments, the utility model still includes a pad, the pad is connected with the front mold, and when the front mold core and the rear mold core abut against each other, the pad can abut against the sliding block. The pad can avoid direct contact between the front mold and the sliding block, so as to reduce wear therebetween, and the pad can be directly replaced after wear, reducing the difficulty of maintaining the mold.

[0013] In some embodiments, the utility model still includes a top pin, a top plate and a guide column, one end of the top pin is embedded in the top plate, the other end of the top pin can pass through the rear mold and the rear mold core and extend into the cavity, the guide column is connected with the rear mold, and the top plate is slidably sleeved on the guide column. After the product is formed and opened, the top pin can be moved to eject the product from the cavity by moving the top plate.

[0014] In some embodiments, the utility model still includes a connecting block and a bottom plate, one end of the connecting block is connected with the rear mold, the other end of the connecting block is connected with the bottom plate, and the guide column is connected with the bottom plate.

[0015] In some embodiments, the utility model further include limit block, limit block install on the bottom plate, top board is equipped with recess, limit block can embed in recess. The setting of limit block and recess can facilitate to limit the movable limit position of top board, avoid the movement of top board beyond the expectation.

[0016] In some embodiments, the utility model further include link column and guide sleeve, one end of link column embeds in front mould, guide sleeve embeds in rear mould, guide sleeve can be relative slidingly covered on link column. Front mould and rear mould can be relatively moved along link column, to effectively realize the opening and closing of mould. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic view of PCU side connector's wiring terminal metal protection shell pressure casting mould of an embodiment of the utility model.

[0018] Figure 2 It is the structure schematic view of PCU side connector's wiring terminal metal protection shell pressure casting mould of an embodiment of the utility model.

[0019] Figure 3 It is the structure schematic view of PCU side connector's wiring terminal metal protection shell that PCU side connector's wiring terminal metal protection shell pressure casting mould of an embodiment of the utility model can pressure cast obtains.

[0020] In the drawing: 1. front mould, 2. rear mould, 3. front mould kernel, 4. rear mould kernel, 5. sliding core mechanism, 6. core maintaining mechanism, 7. link column, 9. cushion block, 10. limit block, 20. ejector pin, 30. top plate, 40. guide column, 50. bottom plate, 60. connecting block, 301. recess, 51. core, 52. sliding block, 53. guide rail, 54. inclined rod, 521. inclined hole, 61. bolt, 62. bolt seat, 63. spring, 611. screw head, 100. cavity, 200. PCU side connector's wiring terminal metal protection shell, 201. horizontal hole, 202. vertical hole. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in combination with the drawings.

[0022] Reference Figure 1 , Figure 2 and Figure 3 The utility model discloses a PCU side connector's wiring terminal metal protection shell pressure casting mould, including front mould 1, rear mould 2, front mould kernel 3, rear mould kernel 4, sliding core mechanism 5 and core maintaining mechanism 6.

[0023] The die-casting die of the electronic control base of the oxygen increasing machine further comprises connecting columns 7 and guide sleeves, the connecting columns 7 and the guide sleeves can be multiple, and the number of the two is equivalent, in the embodiment, the connecting columns 7 and the guide sleeves are preferably four, one end of the four connecting columns 7 is respectively fixedly embedded in the four corners of the front die 1, and the four guide sleeves are respectively fixedly embedded in the four corners of the rear die 2, the four guide sleeves are respectively and correspondingly slidably sleeved on the four connecting columns 7, so that the front die 1 and the rear die 2 can move along the connecting columns 7, the abutment or separation of the front die 1 and the rear die 2 is realized, and the die closing or die opening is realized.

[0024] The front die core 3 is fixedly connected on the bottom of the front die 1 by bolts, and the rear die core 4 is fixedly connected on the top of the rear die 2 by bolts, so that the front die core 3 can move with the front die 1, and the rear die core 4 can move with the rear die 2. When the front die 1 and the rear die 2 abut, the front die core 3 can abut with the rear die core 4.

[0025] After the front die core 3 and the rear die core 4 abut, multiple cavities 100 can be surrounded therebetween, in the embodiment, preferably four cavities 100 can be surrounded between the front die core 3 and the rear die core 4, and the shape of each cavity 100 can match the shape of the wiring terminal metal protection shell 200 of the PCU side connector to be obtained by die casting, wherein the wiring terminal metal protection shell 200 of the PCU side connector is provided with a vertical hole 201 and a horizontal hole 202, and the rear die core 4 is provided with a protrusion, which can be located in the cavity 100 and can correspondingly form the vertical hole 202 in the cavity 100.

[0026] The sliding core mechanism 5 and the core maintaining mechanism 6 can also be multiple, and the number thereof is equivalent to the number of the cavities 100, that is, in the embodiment, the sliding core mechanism 5 and the core maintaining mechanism 6 are preferably four.

[0027] The sliding core mechanism 5 comprises a core 51, a sliding block 52, a guide rail 53 and an inclined rod 54. The guide rail 53 is fixedly installed on the top of the rear die 2 by screws, and the sliding block 52 is slidably arranged on the guide rail 53, one side of the sliding block 52 is fixedly connected with the core 51 by screws, the sliding block 52 is provided with an inclined hole 521, one end of the inclined rod 54 is fixedly embedded in the front die 1 and is fixed by screws, so that the end of the inclined rod 54 is fixedly connected to the front die 1, and when the front die core 3 and the rear die core 4 abut, the other end of the inclined rod 54 can pass through the inclined hole 521, and the cores 51 of the four sliding core mechanisms 5 can respectively and correspondingly extend into the four cavities 100, and the shape of the core 51 can match the shape of the horizontal hole 202 of the wiring terminal metal protection shell 200 of the PCU side connector to be obtained by die casting, so that the core 51 can correspondingly form the horizontal hole 202 in the cavity 100.

[0028] The wiring terminal metal protection shell die of the PCU side connector further comprises four pads 9, all of which are fixedly connected with the front mold 1 by screws, and the four pads 9 can abut against the sliding blocks 52 of the four sliding core mechanisms 5 when the front mold core 3 and the rear mold core 4 abut against each other.

[0029] The core maintaining mechanism 6 comprises a bolt 61, a bolt seat 62 and a spring 63.

[0030] The die casting die of the new energy automobile wire harness metal kit further comprises a plurality of ejector pins 20, a top plate 30, guide columns 40, a bottom plate 50 and connecting blocks 60.

[0031] The die casting die of the new energy automobile wire harness metal kit further comprises a plurality of ejector pins 20, a top plate 30, guide columns 40, a bottom plate 50 and connecting blocks 60.

[0032] The die casting die of the new energy automobile wire harness metal kit further comprises a plurality of ejector pins 20, a top plate 30, guide columns 40, a bottom plate 50 and connecting blocks 60.

[0033] The utility model discloses a mould closing and opening mechanism for PCU side connector's wiring terminal metal protection shell, which comprises a front mould 1, a rear mould 2, a slide block 52, a guide rail 53, a slanting rod 54, a core 51 and a core maintaining mechanism 6.

[0034] After mould closing, the product can be formed in the cavity 100, and the vertical hole 202 of the wiring terminal metal protection shell 200 of the PCU side connector can be correspondingly formed by the protrusion on the rear mould core 4, and the horizontal hole 201 can be correspondingly formed by the core 51.

[0035] In addition, the spring 63 of the core maintaining mechanism 6 can effectively push the slide block 52 by the elastic force, so as to effectively ensure that the slide block 52 is in place after extending into the core 51, and avoid the slide block 52 from retreating after being in place in the core 51, thereby effectively maintaining the position of the core 51.

[0036] After the product is effectively formed in the cavity 100, the mould is opened, and the power device can move the front mould 1, so that the front mould 1 and the rear mould 2 are separated, and the wiring terminal metal protection shell 200 of the PCU side connector is exposed from the rear mould core 4.

[0037] In addition, the spring 63 of the core maintaining mechanism 6 can effectively push the slide block 52 by the elastic force, so as to effectively ensure that the slide block 52 is in place after extending into the core 51, and avoid the slide block 52 from retreating after being in place in the core 51, thereby effectively maintaining the position of the core 51.

[0038] Then, the driving top plate 30 moves along the guide column 40, and the ejector pin 20 connected to the top plate 30 also moves, so that the formed wiring terminal metal protection shell 200 of the PCU side connector is ejected, and a plurality of wiring terminal metal protection shells 200 of the PCU side connector are obtained.

[0039] The above only describes some embodiments of the utility model. Those skilled in the art can make some modifications and improvements without departing from the creative concept of the utility model, and these all belong to the protection scope of the utility model.

Claims

1. A PCU side connector terminal metal protection shell die-casting mold characterized by, The front mold, the rear mold, the front mold core, the rear mold core, the sliding core mechanism and the core maintaining mechanism are connected, The front mold core is connected to the front mold, and the rear mold core is connected to the rear mold, The front mold and the rear mold are connected, the front mold core and the rear mold core can abut and enclose a plurality of cavities, and the sliding core mechanism and the core maintaining mechanism are both a plurality of, The sliding core mechanism and the core maintaining mechanism are both installed on the rear mold, a plurality of the sliding core mechanism can be inserted into a plurality of cavities one by one, and a plurality of the core maintaining mechanism is connected with a plurality of the sliding core mechanism.

2. A PCU side connector terminal metal protection shell die-casting mold according to claim 1, characterized in that, The sliding core mechanism includes a core, a sliding block, a guide rail and an inclined rod, the guide rail is installed on the rear mold, the sliding block is slidably arranged on the guide rail, one side of the sliding block is connected with the core, the sliding block is provided with an inclined hole, one end of the inclined rod is connected to the front mold, and the other end can pass through the inclined hole.

3. A PCU side connector terminal metal protection shell die-casting mold according to claim 2, characterized in that, The core maintaining mechanism includes a bolt, a bolt seat and a spring, the bolt seat is installed on the rear mold, the bolt is installed on the bolt seat, one end of the bolt is connected with the sliding block, the other end is provided with a screw head, one end of the spring is in abutment with the bolt seat, and the other end is in abutment with the screw head.

4. A PCU side connector terminal metal protection shell die-casting mold according to claim 2, characterized in that, The cushion block is connected with the front mold, and when the front mold core and the rear mold core abut, the cushion block can abut with the sliding block.

5. A PCU side connector terminal metal protection shell die-casting mold according to claim 1, characterized in that, The ejector pin, the top plate and the guide column are connected, one end of the ejector pin is embedded in the top plate, the other end of the ejector pin can pass through the rear mold and the rear mold core and extend into the cavity, the guide column is connected with the rear mold, and the top plate is slidably sleeved on the guide column.

6. A PCU side connector terminal metal protection shell die-casting mold according to claim 5, characterized in that, The connecting block and the bottom plate are connected, one end of the connecting block is connected with the rear mold, the other end of the connecting block is connected with the bottom plate, and the guide column is connected with the bottom plate.

7. A PCU side connector terminal metal protection shell die-casting mold according to claim 6, characterized in that, The limiting block is installed on the bottom plate, the top plate is provided with a groove, and the limiting block can be embedded in the groove.

8. A PCU side connector terminal metal protection shell die-casting mold according to claim 1, characterized in that, The connecting column and the guide sleeve are connected, one end of the connecting column is embedded in the front mold, the guide sleeve is embedded in the rear mold, and the guide sleeve is slidably sleeved on the connecting column.