CN221314935U

CN221314935U - Insert die device

Info

Publication number: CN221314935U
Application number: CN202323241235.3U
Authority: CN
Inventors: 田波; 徐晓阳; 齐海元; 赵德强; 支海波
Original assignee: Zhangjiagang Zhongtian Precision Molding Co ltd
Current assignee: Zhangjiagang Zhongtian Precision Molding Co ltd
Priority date: 2023-11-29
Filing date: 2023-11-29
Publication date: 2024-07-12
Anticipated expiration: 2033-11-29

Abstract

The utility model provides an insert mold device, relates to the technical field of injection molds, and solves the technical problems that an insert cannot be completely restrained and positioned in an injection molding process in the prior art, and the insert is easy to shift. The device comprises a lower die table and an upper die table which are matched with each other, a boss, a fixing plate and a fixing plate, wherein the boss is fixedly connected to the top surface of the lower die table and is used for inserting and installing an insert; the radial limiting assembly is fixedly arranged on the lower die table and used for limiting the radial direction of the insert; the axial limiting assembly is movably arranged on the upper die table and used for limiting the axial direction of the insert; through locating the inserts cover on the boss, to realizing the location, then it is spacing to six degrees of freedom of inserts through boss, radial spacing subassembly and axial spacing subassembly, reduces its in-mould injection molding in-process's the difficult condition that takes place the inserts and shifts.

Description

Insert die device

Technical Field

The utility model relates to the technical field of injection molds, in particular to an insert mold device.

Background

The insert in-mold injection molding is a molding process for producing a new part by placing external parts such as metal parts or molded plastic parts in a mold before molding and wrapping all or part of plastic outside the original part by an injection molding machine. The mold corresponding to the process is an insert in-mold injection mold.

At present, the insert in-mold injection molding has wider application. The insert injection mold has the advantages that the subsequent installation process is completed in the molding process, so that the subsequent assembly process is saved, and the connection tightness between parts is improved more importantly.

However, when the injection mold is developed, the insert needs to be precisely positioned in the mold, the insert is not well matched with the mold, and deformation of the plastic part or deformation or displacement of the insert is easily caused.

The insert cannot be completely restrained and positioned in the injection molding process, and the insert is easily displaced.

Disclosure of utility model

The utility model aims to provide an insert die device, which solves the technical problems that an insert cannot be completely restrained and positioned in the injection molding process and the insert is easy to shift in the prior art. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides an insert mold device, which comprises a lower mold table and an upper mold table which are matched with each other, and further comprises:

The boss is fixedly connected to the top surface of the lower die table and used for inserting and installing the insert;

The radial limiting assembly is fixedly arranged on the lower die table and used for limiting the radial direction of the insert;

The axial limiting assembly is movably mounted on the upper die table and used for limiting the axial direction of the insert.

Optionally, radial spacing subassembly is including being used for supporting tightly in the bulge loop of inserts outer wall, the bulge loop cover is located the boss outside, bulge loop fixed connection is in the top surface of lower mould platform.

Optionally, the radial limiting component further comprises a magnetic ring, and the magnetic ring is embedded on the inner wall of the convex ring.

Optionally, the radial limiting component further comprises a guiding surface obliquely arranged, the guiding surface is arranged at the top end of the convex ring, and the guiding surface extends downwards from the outer side wall of the top end of the convex ring to the inner side wall of the convex ring in an inclined manner.

Optionally, the radial limiting component further comprises a vertically arranged abutting surface, wherein the abutting surface is arranged at the lower end of the inner wall of the convex ring, and the abutting surface is arranged below the inclined surface.

Optionally, the axial limiting component comprises a thimble and a resetting piece, wherein the thimble is used for being abutted to the axial end part of the insert far away from the lower die table, the thimble is glidingly arranged on the upper die table, and the resetting piece is also arranged on the upper die table and used for assisting the thimble to reset.

Optionally, the caulking groove has been seted up to last mould platform, reset piece is for inlaying the spring of locating in the caulking groove, the upper portion fixedly connected with of thimble is used for the butt pole of butt spring tip.

Optionally, the upper end of thimble slides and sets up in the caulking groove.

Optionally, the thimble is abutted to the upper end portion edge of the insert.

Optionally, the axial length of the convex ring is one tenth of the axial length of the boss.

The preferred technical scheme of the utility model can at least have the following technical effects:

In the use process, an insert needing to be subjected to in-mold injection molding is placed on the lower die table, is sleeved on the boss, is positioned, is radially limited by a radial limiting assembly on the lower die table, and reduces the movement of the plastic in the radial direction of the boss; and then the upper die table and the lower die table are matched with each other in die assembly, and the axial direction of the insert is limited by utilizing the axial limiting assembly in the process, so that six degrees of freedom of the insert are limited by the boss, the radial limiting assembly and the axial limiting assembly, and the situation that the insert is not easy to shift in the in-die injection molding process is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure provided in embodiment 1 of the present utility model;

FIG. 2 is a schematic view of the internal structure provided in embodiment 1 of the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at Q;

fig. 4 is a schematic view of a convex ring structure provided in embodiment 1 of the present utility model;

Fig. 5 is a schematic view of a convex ring structure according to embodiment 2 of the present utility model;

fig. 6 is a schematic view of a convex ring structure according to embodiment 3 of the present utility model.

Reference numerals illustrate: 100. an upper die table; 110. an outer mold table; 120. an internal mold table; 200. a lower die table; 300. an axial limit assembly; 310. a caulking groove; 320. a thimble; 330. a spring; 340. a butt joint rod; 350. a chute; 400. a boss; 500. a radial limit assembly; 510. a convex ring; 520. an abutment surface; 530. a magnetic ring; 540. and a guide surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

The present application is described in further detail below with reference to fig. 1-6, and an embodiment of the present application discloses an insert mold apparatus.

Example 1

Referring to fig. 1 and 2, an insert-molding device includes an upper mold stage 100 and a lower mold stage 200, the upper mold stage 100 and the lower mold stage 200 being matched to each other for mold clamping, and an insert to be molded in a mold is installed between the upper mold stage 100 and the lower mold stage 200. The lower die table 200 is fixedly provided with a boss 400 for sleeving the insert, so that the insert is positioned. The lower die table 200 is further provided with a radial limit assembly 500 for limiting the displacement of the insert in the radial direction of the boss 400. An axial limiting assembly 300 for limiting displacement of the insert in the axial direction of the boss 400 is mounted on the upper die table 100.

Six degrees of freedom of the insert are limited through the boss 400, the radial limiting assembly 500 and the axial limiting assembly 300, so that the insert is fixed, the deformation of the plastic part or the deformation or displacement of the insert caused by poor matching of the insert and the die is avoided, and the accurate positioning of the insert in the die is improved.

Referring to fig. 2 and 3, the axial limiting assembly 300 includes a thimble 320 and a restoring member, the upper die stage 100 includes an inner die stage 120 and an outer die stage 110, the inner die stage 120 is embedded and attached to the outer die stage 110, and the inner die stage 110 and the outer die stage 110 are mutually fixed by bolts, so as to cooperate with the lower die stage 200. The outer die table 110 is provided with a caulking groove 310, the reset piece is arranged in the caulking groove 310, and one end of the thimble 320 is inserted in the caulking groove 310 and is arranged in a sliding manner along the opening direction of the caulking groove 310. The inner die table 120 is provided with a through hole, and the other end of the thimble 320 passes through the through hole and is abutted against one end of the insert far away from the lower die table 200, so that the insert is fixed in the axial direction of the boss 400.

The axial limiting assembly 300 further includes a supporting rod 340, the inner mold stage 120 is provided with a sliding groove 350, and when the inner mold stage 120 is fixedly mounted on the outer mold stage 110, the sliding groove 350 is mutually communicated with the caulking groove 310. The supporting rod 340 is fixedly connected to the upper end of the thimble 320, the length direction of the supporting rod 340 is perpendicular to the length direction of the thimble 320, and the supporting rod 340 is slidably disposed in the chute 350. The reset piece is a spring 330, the top end of the thimble 320 is sleeved with the spring 330, the spring 330 is arranged in the caulking groove 310, one end of the spring 330 is abutted to the top surface of the caulking groove 310, and the other end of the spring 330 is abutted to the end of the abutting rod 340.

Thus, after the upper die table 100 and the lower die table 200 are clamped, the top end of the insert is pushed against the supporting rod 340 by the spring 330, so that the thimble 320 is tightly supported against the top end of the boss 400. When glue solution is injected into the injection molding device, the thimble 320 abutting against the top end of the boss 400 slides and contracts into the caulking groove 310 along the through hole and the chute 350 under the pressure action of the glue solution, so that the molding of the injection molding piece is ensured. In the process, the top end of the thimble 320 just abuts against the bottom surface of the caulking groove 310, and the bottom end of the thimble 320 just contracts at the port of the through hole facing the insert, so that the thimble 320 is ensured not to excessively slide under the action of glue solution.

The ejector pin 320 is towards one end of the insert, abuts against the top end of the insert, and abuts against only part of the upper edge of the insert, i.e. the ejector pin 320 abuts against less than one quarter of the edge of the insert. Thus, the glue solution can easily push the thimble 320 into the through hole, the caulking groove 310 and the sliding groove 350 when the glue solution is injected.

Referring to fig. 3 and 4, the radial limiting assembly 500 includes a convex ring 510 fixedly connected to the lower die table 200, the convex ring 510 is sleeved on the boss 400, the convex ring 510 and the boss 400 are coaxially arranged, and the axial length of the convex ring 510 is one tenth of the axial length of the boss 400. In this way, the depth of the pit created by the boss 400 in the injection molded mold is reduced when the boss 400 achieves the insert restraint.

The inner wall of the convex ring 510 is vertically provided with an abutment surface 520, i.e. the inner wall surface of the convex ring 510, and the abutment surface 520 is vertically arranged to be parallel to the axial lead of the convex ring 510, so that when the insert is sleeved on the boss 400, the outer wall of the insert, which is close to the lower die table 200, abuts against the abutment surface 520, thereby limiting the displacement of the insert along the radial direction of the boss 400 in the pouring process.

Example 2

The present embodiment is different from embodiment 1 in that the boss 400 is different in structure

Referring to fig. 5, a magnetic ring 530 is disposed inside the boss 400, the magnetic ring 530 is fixedly disposed on the inner wall of the convex ring 510 and is located at the lower end of the inner wall of the convex ring 510, and the bottom side wall of the magnetic ring 530 abuts against the lower die table 200. The lower outer wall of the insert abuts against the upper surface of the magnetic ring 530 during use. Since the insert is mostly made of iron, the magnetic ring 530 can magnetically attract the insert, thereby realizing displacement restriction of the insert in the axial and radial directions.

Example 3

Referring to fig. 6, an inclined guiding surface 540 is disposed on an inner wall of the boss 400, the guiding surface 540 is disposed at a top end of the convex ring 510, and the guiding surface 540 extends downward from an outer sidewall of the top end of the convex ring 510 to an inner sidewall thereof, and is connected to a top end of the abutment surface 520, so that the guiding surface 540 is disposed at an upper end of the abutment surface 520. Thus, the guide surface 540 is more convenient for inserting the insert into the convex ring 510 during use, and the abutting surface 520 ensures clamping of the insert embedded into the convex ring 510. To achieve a limit to the insert in the radial direction.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. Insert-die apparatus comprising a lower die table (200) and an upper die table (100) cooperating with each other, characterized by further comprising:

the boss (400) is fixedly connected to the top surface of the lower die table (200) and is used for inserting and installing an insert;

The radial limiting assembly (500) is fixedly arranged on the lower die table (200) and used for limiting the radial direction of the insert;

The axial limiting assembly (300), the axial limiting assembly (300) is movably mounted on the upper die table (100) and used for limiting the axial direction of the insert.

2. The insert mold device according to claim 1, wherein the radial stop assembly (500) comprises a collar (510) for tightening against an outer wall of the insert, the collar (510) being disposed around the boss (400), the collar (510) being fixedly connected to a top surface of the lower mold table (200).

3. The insert mold device according to claim 2, wherein the radial stop assembly (500) further comprises a magnetic ring (530), the magnetic ring (530) being embedded on an inner wall of the collar (510).

4. The insert mold device according to claim 2, wherein the radial stop assembly (500) further comprises a guide surface (540) disposed obliquely, the guide surface (540) being disposed at the top end of the collar (510), and the guide surface (540) extending obliquely downward from the outer side wall of the top end of the collar (510) toward the inner side wall thereof.

5. The insert mold device according to claim 4, wherein the radial stop assembly (500) further comprises a vertically disposed abutment surface (520), the abutment surface (520) is disposed at a lower end of the inner wall of the collar (510), and the abutment surface (520) is disposed below the inclined surface.

6. The insert mold device according to claim 1, wherein the axial limiting assembly (300) comprises a thimble (320) for abutting against an axial end portion of the insert away from the lower mold table (200), and a reset member, the thimble (320) being slidably disposed on the upper mold table (100), and the reset member being also disposed on the upper mold table (100) for assisting in resetting the thimble (320).

7. The insert mold device according to claim 6, wherein the upper mold table (100) is provided with an insert groove (310), the reset member is a spring (330) embedded in the insert groove (310), and an abutment rod (340) for abutting against an end portion of the spring (330) is fixedly connected to an upper portion of the ejector pin (320).

8. The insert mold device according to claim 7, wherein the upper end of the ejector pin (320) is slidably disposed in the caulking groove (310).

9. The insert mold device according to claim 6, wherein the ejector pin (320) abuts against an upper end portion edge of the insert.

10. An insert mold device according to claim 2, wherein the axial length of the collar (510) is one tenth of the axial length of the boss (400).