CN214645502U

CN214645502U - Pre-mold and Over-mold common-mode structure

Info

Publication number: CN214645502U
Application number: CN202023002795.XU
Authority: CN
Inventors: 张芝娟
Original assignee: Mochuang Technology Suzhou Co ltd
Current assignee: Mochuang Technology Suzhou Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-11-09
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a Pre-mold and Over-mold common mode structure, include: the mold comprises a mold core, a Pre-mold, an Over-mold, a main runner, a group of first branch runners and a group of second branch runners, wherein the mold core is provided with a group of first mold cavities for producing the Pre-mold and a group of second mold cavities for producing the Over-mold, the Pre-mold and the Over-mold are respectively arranged in the first mold cavities and the second mold cavities, the main runner is arranged on the mold core, the first branch runners are arranged on two sides of the main runner and are communicated with the second mold cavities, and the second branch runners are arranged on two ends of the main runner and are communicated with the first mold cavities. The utility model discloses in a Pre-mold and Over-mold common mode structure, its simple structure, reasonable in design have optimized the structure of mould, will Pre-mold and Over-mold collect on same mould benevolence, realize the common mode, cost and use cost that can effectual reduction mould development also can shorten the cycle of mould development simultaneously to the effectual input cost who practices thrift the enterprise's production.

Description

Pre-mold and Over-mold common-mode structure

Technical Field

The utility model belongs to the technical field of plastic processing, in particular to Pre-mold and Over-mold common mode structure.

Background

With the rapid development of social economy, all walks of life are constantly accelerating the development pace, and the demand of production is better satisfied. The plastic products often need to be molded by using a mold during the processing, wherein the insert molding structure with embedded hardware is relatively complicated. Generally, the hardware fixing mode of insert molding is divided into two modes, wherein one mode is that the hardware is wrapped by a small amount of glue (Pre-mold) and then placed into a mold for molding to produce a finished product (Over-mold), the mode is simple in structure, two sets of molds need to be designed, the mold cost investment of an enterprise is increased, the production cost of the enterprise is increased, meanwhile, the molds need to be replaced in multiple processes, the production period is longer, and the produced Pre-mold can occupy the inventory of a warehouse.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the defects, the utility model aims at providing a Pre-mold and Over-mold common mode structure, its simple structure, reasonable in design have optimized the structure of mould, collect Pre-mold and Over-mold on same mould benevolence, realize the common mode, can effectual reduction mould development's cost and use cost, also can shorten the cycle of mould development simultaneously.

The technical scheme is as follows: in order to achieve the above object, the present invention provides a Pre-mold and Over-mold common-mode structure, comprising: the mold comprises a mold core, a Pre-mold, an Over-mold, a main runner, a group of first branch runners and a group of second branch runners, wherein the mold core is provided with a group of first mold cavities for producing the Pre-mold and a group of second mold cavities for producing the Over-mold, the Pre-mold and the Over-mold are respectively arranged in the first mold cavities and the second mold cavities, the main runner is arranged on the mold core, the first branch runners are arranged on two sides of the main runner and are communicated with the second mold cavities, and the second branch runners are arranged on two ends of the main runner and are communicated with the first mold cavities. The utility model discloses in a Pre-mold and Over-mold common mode structure, its simple structure, reasonable in design have optimized the structure of mould, will Pre-mold and Over-mold collect on same mould benevolence, realize the common mode, cost and use cost that can effectual reduction mould development also can shorten the cycle of mould development simultaneously to the effectual input cost who practices thrift the enterprise's production.

The utility model discloses in mould benevolence includes mould benevolence body, the middle part of mould benevolence body is equipped with the runner installation department, and the both sides that are located the runner installation department are equipped with the recess, Pre-mold locates the both ends of runner installation department, groove department is located to Over-mold.

The utility model discloses in the runner diameter of first branch runner and second branch runner is different. The different diameters of the flow passages can control the flow and the feeding amount according to the production requirements of different products.

The utility model discloses in the runner diameter of first minute runner is less than the runner diameter of second minute runner.

The utility model discloses in all be equipped with the choke valve on first minute runner and the second minute runner. The throttle valve is arranged, so that the flow and the on-off of the flow channel can be effectively controlled according to different processed products.

The utility model discloses in the bottom of choke valve is equipped with the glass pearl. The arrangement of the glass beads can prevent the throttle valve from rotating randomly during production.

The utility model discloses in the installation department that lies in the choke valve on first subchannel and the second subchannel is equipped with interior hexagonal hole. The arrangement of the inner hexagonal hole facilitates the use of an inner hexagonal wrench to quickly change the production mode on the machine table.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model discloses in a Pre-mold and Over-mold common mode structure, its simple structure, reasonable in design have optimized the structure of mould, will Pre-mold and Over-mold collect on same mould benevolence, realize the common mode, cost and use cost that can effectual reduction mould development also can shorten the cycle of mould development simultaneously to the effectual input cost who practices thrift the enterprise's production.

2. The utility model discloses in the runner diameter of first branch runner and second branch runner is different. The flow and the feeding amount of the flow channel are controlled according to the production requirements of different products due to different diameters of the flow channel; and throttle valves are arranged on the first branch flow passage and the second branch flow passage. The throttle valve is arranged, so that the flow and the on-off of the flow channel can be effectively controlled according to different processed products.

3. The utility model discloses in the bottom of choke valve is equipped with the glass pearl. The arrangement of the glass beads can prevent the throttle valve from rotating randomly during production.

4. And the first branch flow channel and the second branch flow channel are provided with hexagon socket holes at the installation positions of the throttle valves. The setting of hexagon socket hole to the use can interior hexagonal spanner change the production methods on the board fast, provides a great deal of convenience for production.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the throttle valve of the present invention, wherein a is a side view, B is a top view, and C is a structural diagram of the back of the throttle valve;

FIG. 3 is a schematic structural view of the Pre-mold and Over-mold common-mode structure of the present invention when only Pre-mold is produced;

FIG. 4 is a schematic structural diagram of the Pre-mold and Over-mold co-molding structure of the present invention for simultaneously producing the Pre-mold and the Over-mold;

FIG. 5 is a schematic structural diagram of the Pre-mold and Over-mold common-mode structure of the present invention when only Over-mold is produced.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

A common mode structure of Pre-mold and Over-mold as shown in the figure comprises: the mold comprises a mold core 1, a Pre-mold2, an Over-mold3, a main runner 4, a group of first branch runners 5 and a group of second branch runners 6, wherein the mold core 1 is provided with a group of first mold cavities for producing the Pre-mold and a group of second mold cavities for producing the Over-mold, the Pre-mold2 is a preformed packaging mold, the Over-mold3 is a soft-package rubber mold, the Pre-mold2 and the Over-mold3 are respectively arranged in the first mold cavity and the second mold cavity, the main runner 4 is arranged on the mold core 1, the first branch runners 5 are arranged on two sides of the main runner 4 and communicated with the second mold cavity, and the second branch runners 6 are arranged on two ends of the main runner 4 and communicated with the first mold cavity.

In this embodiment, the mold insert 1 includes a mold insert body 11, a flow channel installation portion 12 is disposed in the middle of the mold insert body 11, grooves 13 are disposed on two sides of the flow channel installation portion 12, the Pre-mold2 is disposed on two ends of the flow channel installation portion 12, and the Over-mold3 is disposed at the grooves 13.

In this embodiment, the first branch flow passage 5 and the second branch flow passage 6 have different flow passage diameters.

In this embodiment, the diameter of the first sub-channel 5 is smaller than the diameter of the second sub-channel 6.

In this embodiment, the first branch flow passage 5 and the second branch flow passage 6 are both provided with a throttle valve 7.

In this embodiment the bottom of the throttle valve 7 is provided with a bead 8.

In the embodiment, hexagonal socket holes 9 are formed in the first branch flow passage 5 and the second branch flow passage 6 at the installation position of the throttle valve 7.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A Pre-mold and Over-mold common mode structure is characterized in that: the method comprises the following steps: the mold comprises a mold core (1), a Pre-mold (2), an Over-mold (3), a main runner (4), a group of first branch runners (5) and a group of second branch runners (6), wherein the mold core (1) is provided with a group of first mold cavities for producing the Pre-mold and a group of second mold cavities for producing the Over-mold, the Pre-mold (2) and the Over-mold (3) are respectively arranged in the first mold cavities and the second mold cavities, the main runner (4) is arranged on the mold core (1), the first branch runners (5) are arranged on two sides of the main runner (4) and communicated with the second mold cavities, and the second branch runners (6) are arranged at two ends of the main runner (4) and communicated with the first mold cavities.

2. The Pre-mold and Over-mold co-molding structure as claimed in claim 1, wherein: the mold core (1) comprises a mold core body (11), a flow channel installation part (12) is arranged in the middle of the mold core body (11), grooves (13) are formed in two sides of the flow channel installation part (12), the Pre-mold (2) is arranged at two ends of the flow channel installation part (12), and the Over-mold (3) is arranged at the positions of the grooves (13).

3. The Pre-mold and Over-mold co-molding structure as claimed in claim 1, wherein: the diameters of the first branch flow channel (5) and the second branch flow channel (6) are different.

4. The Pre-mold and Over-mold co-molding structure as claimed in claim 1, wherein: the diameter of the first branch flow channel (5) is smaller than that of the second branch flow channel (6).

5. The Pre-mold and Over-mold co-molding structure as claimed in claim 1, wherein: and throttle valves (7) are arranged on the first branch flow passage (5) and the second branch flow passage (6).

6. The Pre-mold and Over-mold co-molding structure as claimed in claim 5, wherein: and glass beads are arranged at the bottom of the throttle valve (7).

7. The Pre-mold and Over-mold co-molding structure as claimed in claim 1, wherein: and hexagonal socket holes are formed in the first branch flow channel (5) and the second branch flow channel (6) at the installation positions of the throttle valves (7).