Connector plug shell injection mold

Abstract

The utility model provides an injection mold for a connector plug shell, which relates to the technical field of injection molds, can meet the processing requirements of a complex structure of the connector plug shell, and comprises a movable mold and a fixed mold, an upper female die is arranged at the bottom of the movable die, an upper cavity is formed in the upper female die, an upper core is fixed in the upper cavity, and the upper core and the upper cavity are used for forming the inner surface and the outer surface of the head of the corresponding connector plug shell respectively; a left female die and a right female die which are combined left and right are arranged at the top of the fixed die, a lower cavity is defined by the left female die and the right female die, and a lower core is fixed in the lower cavity; the lower core and the lower cavity are respectively formed by the inner and outer surfaces of the lower part of the plug shell; the outer side of the left female die and the outer side of the right female die are each provided with a side insert assembly. Each side insert assembly comprises a trapezoidal sliding base and an inclined guide column. The trapezoidal sliding seat is slidably mounted on the fixed die in the left-right direction, the upper end of the inclined guide column is fixed to the movable die, the lower end of the inclined guide column penetrates through an inclined guide hole in the trapezoidal sliding seat, and the left female die and the right female die are connected to the inner side of the trapezoidal sliding seat respectively.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and in particular relates to an injection mold for a connector plug shell. Background Art

[0002] The connector plug shell is one of the shell components of the connector and is usually obtained by injection molding. Injection molding is also called injection molding, which is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, and the operation can be automated. Figure 1 The connector plug housing shown in the figure has a complex surface and internal structure, and the existing injection mold structure is difficult to meet the processing requirements of this connector plug housing. Summary of the Invention

[0003] In response to the defects in the existing technology, the utility model provides a connector plug shell injection mold, which has an improved design of the mold core component, can meet the processing requirements of the complex structure of the connector plug shell, and does not affect the demolding, which can greatly improve the production efficiency compared with the existing technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a connector plug shell injection mold, comprising a movable mold and a fixed mold relative to each other in an upper and lower direction; the bottom of the movable mold is provided with an upper die, an upper cavity is provided in the upper die, an upper core is fixed in the upper cavity, the upper core and the upper cavity are respectively used to shape the inner and outer surfaces of the head of the corresponding connector plug shell; the top of the fixed mold is provided with a left die and a right die that match each other on the left and right sides, the left die and the right die match to form a lower cavity, a lower core is fixed in the lower cavity; the lower core and the lower cavity are respectively formed by the inner and outer surfaces of the lower part of the plug shell; the outer sides of the left die and the right die are respectively provided with a group of side insert assemblies, the side insert assemblies include a trapezoidal slide and an inclined guide column; the trapezoidal slide is slidably installed on the fixed mold along the left and right directions, the upper end of the inclined guide column is fixed to the movable mold, and the lower end passes through the inclined guide hole on the trapezoidal slide, and the left die and the right die are respectively connected to the inner side of the trapezoidal slide.

[0006] The working process of the connector plug shell injection mold provided by the utility model is as follows: when the movable mold 1 moves up and down, the inclined guide column moves up and down with the movable mold, thereby driving the trapezoidal slide to move left and right, and then driving the left and right molds to clamp or loosen left and right, and the upper mold is pressed or separated from the left and right molds up and down. Specifically, when the movable mold descends to the lowest point, the left and right molds just move to the processing position and are clamped left and right, and the upper mold also just moves to the processing position, and the upper mold is pressed up and down with the left and right molds; after the movable mold ascends, the upper mold is separated from the left and right molds up and down, and at the same time drives the trapezoidal slide to withdraw, thereby driving the left and right molds to loosen left and right, and then the upper mold, the left mold and the right mold are separated from the injection molded workpiece without hindering demolding. The connector plug shell injection mold provided by the utility model has an improved design of the cavity and core components, which can meet the processing requirements of the complex structure of the connector plug shell without affecting the demoulding, and can greatly improve the production efficiency compared with the existing technology.

[0007] In some embodiments, a first buffer spring is provided between the left die, the right die and the trapezoidal slide.

[0008] In some embodiments, the bottom ends of the left die and the right die are provided with limiting members for limiting them when they exit; corresponding limiting grooves are provided on the fixed die, and the protruding parts of the limiting members extend into the limiting grooves.

[0009] In some embodiments, the inner surface of the upper cavity of the upper die is provided with a plurality of vertical protrusions, the upper core is cylindrical, and the plurality of vertical protrusions and the cylindrical upper core are fitted together to form a strip hole cavity, which is used for forming the head of the corresponding connector plug shell.

[0010] In some embodiments, a connecting column is fixedly provided at the center of the upper end surface of the cylindrical upper core, and a second buffer spring is provided at the top end of the connecting column. The cylindrical upper core is fixedly installed in the upper cavity of the upper die through the connecting column and the second buffer spring; the inner surface of the upper cavity of the upper die is provided with a positioning step surface corresponding to the upper end surface of the cylindrical upper core.

[0011] In some embodiments, the upper core and the lower core are docked at the bottom edge of the head of the corresponding connector plug shell, a positioning piece is fixed at the center of the lower end surface of the upper core, and a corresponding positioning groove is opened at the center of the upper end surface of the lower core.

[0012] In some embodiments, alignment plug-ins are provided correspondingly in the gaps between the upper die, the left die, and the right die.

[0013] In some embodiments, exhaust holes are provided on the surfaces of the upper die, the left die, and the right die, and the exhaust holes are connected to the corresponding cavities.

[0014] In some embodiments, the lower part of the lower core extends out of the bottom of the corresponding connector plug shell, and ejector pins are provided at the four corners of the lower part of the lower core. The upper ends of the ejector pins can move up and down, and the upper ends of the ejector pins are pressed against the bottom of the corresponding connector plug shell.

[0015] In some embodiments, guide sleeves are movably provided at the four corners of the movable mold, and guide posts for vertically guiding the movable mold are fixed at the four corners of the fixed mold, and the guide posts extend upward into the guide sleeves. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic structural diagram of a connector plug housing provided by an embodiment of the present utility model;

[0018] Figure 2 A schematic structural diagram of a connector plug housing injection mold provided by an embodiment of the present utility model;

[0019] Figure 3 A schematic diagram of the disassembled structure of the connector plug housing injection mold provided by an embodiment of the utility model;

[0020] Figure 4 A schematic diagram of the further disassembled structure of the connector plug housing injection mold provided by an embodiment of the utility model;

[0021] Figure 5 A schematic structural diagram of an upper concave mold, an upper core, and a lower core of an injection mold for a connector plug housing provided by an embodiment of the present utility model;

[0022] Figure 6 A schematic structural diagram of an alignment plug-in unit of an injection mold for a connector plug housing provided by an embodiment of the present utility model;

[0023] Figure 7 A schematic diagram of a portion of the structure of an injection mold for a connector plug housing provided in an embodiment of the present utility model. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of these features.

[0027] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0028] like Figure 2-5As shown, the utility model provides a connector plug shell injection mold 100, including a movable mold 1 and a fixed mold 2 opposite to each other; the bottom of the movable mold 1 is provided with an upper die 3, the upper die 3 has an upper cavity A, the upper core a is fixed in the upper cavity A, the upper core a and the upper cavity A are respectively used to form the inner and outer surfaces of the head 201 of the corresponding connector plug shell 200; the top of the fixed mold 2 is provided with a left die 4 and a right die 5 that match each other on the left and right sides, the left die 4 and the right die 5 are combined to form a lower cavity B, the lower cavity B is fixed with a lower core b ; The lower core b and the lower cavity B are respectively used for molding the inner and outer surfaces of the lower part 202 of the connector plug housing 200; a group of side insert assemblies 6 are respectively provided on the outer sides of the left die 4 and the right die 5, and the side insert assemblies 6 include a trapezoidal slide 61 and an inclined guide column 62; the trapezoidal slide 61 is slidably installed on the fixed mold 2 along the left and right directions, the upper end of the inclined guide column 62 is fixed to the movable mold 1, and the lower end passes through the inclined guide hole 611 on the trapezoidal slide 61, and the left die 4 and the right die 5 are respectively connected to the inner side of the trapezoidal slide 61.

[0029] The connector plug housing injection mold 100 provided by the present invention has the following working process: when the movable mold 1 moves up and down, the inclined guide pillar 62 moves up and down with the movable mold 1, thereby driving the trapezoidal slide 61 to move left and right, thereby driving the left die 4 and the right die 5 to clamp or release left and right, and the upper die 3 is pressed or separated from the left die 4 and the right die 5. Specifically, when the movable mold 1 descends to the lowest point, the left die 4 and the right die 5 just move to the processing position and clamp left and right, and the upper die 3 also just moves to the processing position and presses the upper die 3 and the left die 4 and the right die 5 up and down; after the movable mold 1 moves up, the upper die 3 is separated from the left die 4 and the right die 5 up and down, and at the same time drives the trapezoidal slide 61 to withdraw, thereby driving the left die 4 and the right die 5 to release left and right, thereby separating the upper die 3, the left die 4 and the right die 5 from the injection molded workpiece without hindering demolding. The connector plug shell injection mold 100 provided by the present invention has an improved design of the cavity and core components, which can meet the processing requirements of the complex structure of the connector plug shell 200 without affecting the demolding, and can greatly improve the production efficiency compared with the existing technology.

[0030] like Figure 4 As shown, in some embodiments, a first buffer spring 612 is provided between the left die 4 and the right die 5 and the trapezoidal slide 61 to buffer the thrust.

[0031] like Figure 4As shown, in some embodiments, the bottom ends of the left die 4 and the right die 5 are provided with limiting members 7 for limiting them when they exit; the fixed die 2 is provided with corresponding limiting grooves 21, and the protruding part of the limiting member 7 extends into the limiting groove 21.

[0032] like Figure 5 As shown, in some embodiments, the inner surface of the upper cavity A of the upper die 3 is provided with a plurality of vertical protrusions 31, the upper core a is cylindrical, and the plurality of vertical protrusions 31 and the cylindrical upper core a are fitted together to form a strip hole cavity, which is used to meet the processing requirements of the head 201 of the corresponding connector plug housing 200.

[0033] like Figure 4 and Figure 5 As shown, in some embodiments, a connecting column a1 is fixedly provided at the center of the upper end surface of the cylindrical upper core a, and a second buffer spring 32 for buffering is provided at the top end of the connecting column a1, and the cylindrical upper core a is fixedly installed in the upper cavity A of the upper die 3 through the connecting column a1 and the second buffer spring 32; the inner surface of the upper cavity A of the upper die 3 is provided with a positioning step surface 33 corresponding to the upper end surface of the cylindrical upper core a, and the positioning step surface 33 serves as a positioning stop for the cylindrical upper core a.

[0034] like Figure 5 As shown, in some embodiments, the upper core a and the lower core b are docked at the bottom edge of the head 201 of the corresponding connector plug shell 200, and a positioning piece a2 is fixedly provided at the center of the lower end surface of the upper core a, and a corresponding positioning groove b1 is opened at the center of the upper end surface of the lower core b. The cooperation between the positioning piece a2 and the positioning groove b1 can ensure the positioning accuracy between the upper core a and the lower core b.

[0035] like Figure 4 and Figure 6 As shown, in some embodiments, a positioning plug-in 8 is provided corresponding to the gap between the upper die 3, the left die 4 and the right die 5, and the positioning plug-in 8 can ensure the positioning accuracy between the upper die 3, the left die 4 and the right die 5.

[0036] like Figure 2-5 As shown, in some embodiments, exhaust holes c are provided on the surfaces of the upper die 3 , the left die 4 and the right die 5 , and the exhaust holes c are communicated with their respective corresponding cavities.

[0037] like Figure 7As shown, in some embodiments, the lower portion of the lower core b extends out of the bottom of the corresponding connector plug housing 200, and ejector pins 9 are provided at the four corners of the lower portion of the lower core b. The upper ends of the ejector pins 9 can move up and down, and the upper ends of the ejector pins 9 are pressed against the bottom of the corresponding connector plug housing 200. The ejector pins 9 are used for demolding.

[0038] like Figure 3 As shown, in some embodiments, guide sleeves 11 are movably provided at the four corners of the movable mold 1, and guide posts for vertically guiding the movable mold are fixed at the four corners of the fixed mold, and the guide posts extend upward into the guide sleeves 11.

[0039] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A connector plug shell injection mold, It is characterized in that It comprises a movable mold and a fixed mold which are opposite to each other up and down; an upper concave mold is provided at the bottom of the movable mold, an upper cavity is provided in the upper concave mold, an upper core is fixed in the upper cavity, and the upper core and the upper cavity are respectively used for molding the inner and outer surfaces of the head of the corresponding connector plug shell; The top of the fixed mold is provided with a left concave mold and a right concave mold which are matched with each other. The left concave mold and the right concave mold are matched with each other to form a lower cavity. A lower core is fixed in the lower cavity. The lower core and the lower cavity are formed by the inner and outer surfaces of the lower part of the plug housing respectively. A group of side insert blocks are respectively provided on the outer sides of the left die and the right die, and the side insert blocks include a trapezoidal slide and an inclined guide column; the trapezoidal slide is slidably installed on the fixed die along the left and right directions, the upper end of the inclined guide column is fixed to the movable die, and the lower end passes through the inclined guide hole on the trapezoidal slide, and the left die and the right die are respectively connected to the inner sides of the trapezoidal slide.

2. The connector plug housing injection mold according to claim 1, It is characterized in that A first buffer spring is arranged between the left die, the right die and the trapezoidal slide.

3. The connector plug housing injection mold according to claim 1 or 2, It is characterized in that The bottom ends of the left and right dies are provided with limiting members for limiting the dies when they are withdrawn; the fixed die is provided with corresponding limiting grooves, and the protruding parts of the limiting members extend into the limiting grooves.

4. The connector plug housing injection mold according to claim 3, It is characterized in that The inner surface of the upper cavity of the upper die is provided with a plurality of vertical protrusions, the upper core is cylindrical, and the plurality of vertical protrusions and the cylindrical upper core are fitted together to form a strip hole cavity, which is used for head molding of the corresponding connector plug shell.

5. The connector plug housing injection mold according to claim 4, It is characterized in that A connecting column is fixedly provided at the center of the upper end surface of the cylindrical upper core, and a second buffer spring is provided at the top end of the connecting column. The cylindrical upper core is fixedly installed in the upper cavity of the upper die through the connecting column and the second buffer spring; the inner surface of the upper cavity of the upper die is provided with a positioning step surface corresponding to the upper end surface of the cylindrical upper core.

6. The connector plug housing injection mold according to claim 5, It is characterized in that The upper core and the lower core are butted at the bottom edge of the head of the corresponding connector plug shell, a positioning piece is fixed at the center of the lower end surface of the upper core, and a corresponding positioning groove is opened at the center of the upper end surface of the lower core.

7. The connector plug housing injection mold according to claim 6, It is characterized in that Alignment plug-ins are correspondingly arranged in the gaps between the upper die, the left die and the right die.

8. The connector plug housing injection mold according to claim 1, It is characterized in that Vent holes are arranged on the surfaces of the upper die, the left die and the right die, and the vent holes are communicated with the respective corresponding cavities.

9. The connector plug housing injection mold according to claim 1, It is characterized in that The lower part of the lower core extends out of the bottom of the corresponding connector plug shell, and ejector pins are arranged at four corners of the lower part of the lower core. The upper ends of the ejector pins can move up and down, and the upper ends of the ejector pins are pressed against the bottom of the corresponding connector plug shell.

10. The connector plug housing injection mold according to claim 1, It is characterized in that Guide sleeves are movably provided at the four corners of the movable mold, and guide posts for vertically guiding the movable mold are fixed at the four corners of the fixed mold, and the guide posts extend upward into the guide sleeves.

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