CN222372178U

CN222372178U - Quick detach formula mold insert subassembly and injection mold

Info

Publication number: CN222372178U
Application number: CN202420172564.2U
Authority: CN
Inventors: 张重保
Original assignee: Dongguan Hua Precision Technology Co ltd
Current assignee: Dongguan Hua Precision Technology Co ltd
Priority date: 2024-01-23
Filing date: 2024-01-23
Publication date: 2025-01-21
Anticipated expiration: 2034-01-23

Abstract

The utility model provides a quick detach formula mold insert subassembly and injection mold, set up on injection mold's lower mould benevolence, including setting up mould benevolence mold insert and the mold insert dog at the lower mould benevolence, the mounting groove has been seted up to the upper surface of lower mould benevolence, mould benevolence mold insert and mold insert dog set up in the mounting groove, the mounting groove is including the embedded groove that is located mounting groove one side and the holding tank that sets up with the embedded groove intercommunication, the mold insert dog is installed in the holding tank, the mould benevolence mold insert is spliced by the several sub-mold insert that the segmentation set up and forms, and every sub-mold insert detachably sets up in the embedded groove, the sub-mold insert includes the embedding portion that extends along vertical direction and from the spacing portion that the embedding portion extends to the holding tank, the embedding portion is installed in the embedded groove, spacing portion protruding stretch to the holding tank in with mold insert dog butt, the mold insert dog is fixed sub-mold insert on the lower mould benevolence.

Description

Quick detach formula mold insert subassembly and injection mold

Technical Field

The utility model relates to the technical field of mold production, in particular to a quick-release insert assembly and an injection mold.

Background

Inserts, also known as inserts or inserts, are used for accessories that are inserted in the mold. At present, the mold insert is generally aimed at saving mold manufacturing materials, facilitating mold modification, facilitating mold venting, prolonging the service life of the mold, and the like. In the production of smart phones, the space of some parts of the die core is narrow, fine and complex, for example, the slot of the mobile phone is easy to break or deform in the production process, so that the die core needs to be maintained by a lower die, and the maintenance period is longer. On one hand, the production efficiency is reduced, and on the other hand, the maintenance cost of the die is increased.

Thus, in order to solve the problems that the slot of the die core is easy to be damaged and the maintenance is troublesome in the current mobile phone production, a new machine or a new technology is needed to be developed to solve the problems.

Disclosure of utility model

The utility model aims to provide a quick-release insert assembly and an injection mold, which are used for solving the problems that a wire slot of a die core in the current mobile phone production is easy to damage and is troublesome to maintain.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a quick detach formula mold insert subassembly, set up on injection mold's lower mould benevolence, including setting up mould benevolence mold insert and the mold insert dog at the lower mould benevolence, the mounting groove has been seted up to the upper surface of lower mould benevolence, mould benevolence mold insert and mold insert dog set up in the mounting groove, the mounting groove is including the embedded groove that is located mounting groove one side and the holding tank that sets up with the embedded groove intercommunication, the mold insert dog is installed in the holding tank, mould benevolence mold insert is spliced by the several sub-mold insert that the segmentation set up and forms, and every sub-mold insert detachably sets up in the embedded groove, the sub-mold insert includes the embedded part that extends along vertical direction and from embedded part to the spacing portion that the holding tank extends, the embedded part is installed in the embedded groove, spacing portion protruding stretch to the holding tank in with mold insert dog butt, the mold insert dog is fixed sub-mold insert on the lower mould benevolence.

Further, a plurality of sub-inserts are arranged side by side in the insert groove.

Further, adjacent sub-inserts are connected and arranged in a buckling or lap joint mode.

Further, the bottom wall of the accommodating groove is concavely provided with a limit groove, the limit groove is communicated with the embedded groove, the limit part protrudes into the limit groove, and the insert stop block abuts against the upper surface of the limit part.

Further, the insert further comprises a protruding portion, the protruding portion extends upwards above the limiting portion in the vertical direction, and the protruding portion protrudes out of the upper surface of the lower die core.

Further, the quick release insert assembly includes a plurality of insert stops, each insert stop abutting at least one sub-insert.

Further, a mounting hole is formed in the insert stop block, and the insert stop block is fixed in the accommodating groove through a screw.

Further, the embedded groove penetrates through the lower die core.

The utility model provides an injection mold, includes cope match-plate pattern, lower bolster, oblique top piece and foretell quick detach formula mold insert subassembly, and the cope match-plate pattern is installed the mould benevolence, and the lower bolster is installed the lower mould benevolence, and oblique top piece activity sets up in the mounting groove and the lower extreme of oblique top piece stretches out in the lower mould benevolence downwards, goes up mould benevolence, lower mould benevolence, oblique top piece, mould benevolence mold insert and mold insert dog and encloses into a shaping die cavity that is used for shaping injection molding product jointly, and the product shaping is in the shaping die cavity.

Further, the oblique jacking piece is provided with a connecting rod penetrating through the lower die core and an oblique jacking block connected to one end of the connecting rod, the oblique jacking block is arranged in the mounting groove and is abutted to the insert stop block, and the other end of the connecting rod extends out of the lower die core.

The quick-disassembly insert assembly and the injection mold have the beneficial effects that the insert is quickly and conveniently disassembled and assembled, the maintenance cost is reduced, and the service life of the mold is prolonged.

Drawings

Fig. 1 is a cross-sectional view of an injection mold according to the present utility model.

Fig. 2 is an enlarged sectional view of the injection mold a shown in fig. 1.

Fig. 3 is a cross-sectional view of a lower core of the injection mold shown in fig. 1.

Fig. 4 is a partial exploded perspective view of the injection mold shown in fig. 1.

Fig. 5 is a perspective view of the insert shown in fig. 4.

Fig. 6 is a perspective view of a sub-insert of the mold insert shown in fig. 5.

Fig. 7 is a perspective view of the insert stop shown in fig. 4.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like in the description and the claims of the present utility model refer to the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are merely for clarity and convenience of description of the present utility model, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, the utility model discloses a quick-release insert assembly 30, which is disposed on a lower mold core 21 of an injection mold, and comprises a mold core insert 31 disposed on the lower mold core 21 and an insert stopper 32 connected with the mold core insert 31, wherein a mounting groove 211 is formed on the upper surface of the lower mold core 21, the mold core insert 31 and the insert stopper 32 are disposed in the mounting groove 211, the mounting groove 211 comprises an insert groove 2111 disposed on one side of the mounting groove 211 and a receiving groove 2113 disposed in communication with the insert groove 2111, the insert stopper 32 is disposed in the receiving groove 2113, the mold core insert 31 is formed by splicing a plurality of sub-inserts 311 disposed in a segmented manner, each sub-insert 311 is detachably disposed in the insert groove 2111, the sub-insert 311 comprises an insert portion 3111 extending in a vertical direction and a stopper 3112 extending from the insert portion 3111 to the receiving groove 3113, and the insert stopper 311 is mounted in the insert groove 2113 by the insert stopper 311 and the insert stopper 311 is fixed in the insert groove 21132.

The mold insert 31 is located at the most vulnerable part of the lower mold insert 21, and when the mold insert 31 is damaged, only the damaged mold insert 31 needs to be disassembled by stopping and replaced by a new mold insert 31, so that on one hand, the maintenance time of the mold is greatly shortened, on the other hand, the production stagnation caused by the maintenance of the lower mold insert 21 is avoided, and the service life of the lower mold insert 21 and even the injection mold is greatly prolonged.

Therefore, according to the quick-disassembly type insert assembly 30 provided by the utility model, the insert stop 32 is used for fixing the die insert 31 on the lower die core 21, and the die insert 31 can be disassembled and replaced by disassembling the insert stop 32, so that the insert can be disassembled and assembled quickly and conveniently, the maintenance cost is reduced, and the service life of a die is prolonged.

Referring to fig. 2-6, a plurality of the sub-inserts 311 are disposed in the insert groove 2111 side by side, the mold insert 31 is formed by splicing a plurality of the sub-inserts 311, and adjacent sub-inserts 311 are connected in a fastening or overlapping manner. In this embodiment, the adjacent sub-inserts 311 are connected in a lap joint manner, that is, one end of the sub-insert 311 is lap-jointed to the other end of the adjacent sub-insert 311. In other embodiments, the adjacent sub-inserts 311 may be connected in a fastening manner, one end of the sub-insert 311 and the other end of the adjacent sub-insert 311 are correspondingly provided with a fastening slot and a fastening portion, and the fastening portion is fastened in the fastening slot to achieve the fastening manner.

The mold insert 31 is formed by splicing a plurality of sub-inserts 311, so that the maintenance cost of the mold can be further reduced. For example, if one of the sub-inserts 311 is damaged, only the damaged sub-insert 311 needs to be removed and replaced with the sub-insert 311 with a perfect function, the whole mold insert 31 does not need to be removed and replaced, and the whole injection mold does not need to be removed.

Further, the insert 311 further includes a protruding portion 3113, the protruding portion 3113 is located above the limiting portion 3112 and extends in a vertical direction, and the protruding portion 3113 protrudes from an upper surface of the lower mold core 21.

The bottom wall of the accommodating groove 2113 is concavely provided with a limiting groove 2112, the limiting groove 2112 is communicated with the embedding groove 2111, and the embedding groove 2111 penetrates the lower die core 21 downwards. The limiting portion 3112 of the sub-insert 311 protrudes into the limiting groove 2112, and the insert stopper 32 abuts against an upper surface of the limiting portion 3112. The lower surface of the limiting portion 3112 abuts against the limiting groove 2112, and the upper surface of the limiting portion 3112 abuts against the insert stopper 32, that is, the limiting portion 3112 is sandwiched between the lower die core 21 and the insert stopper 32, so as to fix the sub-insert 311 on the lower die core 21.

Referring to fig. 2-5 and 7, the quick release insert assembly 30 includes a plurality of insert stops 32, each insert stop 32 abutting at least one sub-insert 311. If one of the sub-inserts 311 is damaged, only the insert block 32 corresponding to the damaged sub-insert 311 is removed and the damaged sub-insert 311 is taken out for replacement, and the other insert block 32 is not required to be removed, so that the maintenance time of the mold can be further shortened.

More specifically, the insert block 32 is provided with a mounting hole 321, the lower die core 21 is provided with a fixing hole corresponding to the mounting hole 321, and when the die core insert 31 and the insert block 32 are sequentially mounted in the mounting groove 211, the insert block 32 is fixed in the fixing hole by passing a screw through the mounting hole 321 so as to fix the insert block 32 on the lower die core 21. In this embodiment, the insert stopper 32 is fixed in the receiving groove 2113 only by screws and fixes the insert 31 in the insert groove 2111. In maintenance, the screw is required to be removed by stopping the machine, then the insert stop 32 is removed from the mounting groove 211, and then the sub-insert 311 is removed, so that the disassembly and the assembly can be realized by the simple operation, and the maintenance becomes faster and more convenient.

In addition, referring to fig. 1 to 4, the present utility model further provides an injection mold, which includes an upper mold plate 10, a lower mold plate 20, an inclined top piece 40, and the quick-release insert assembly 30 in any of the foregoing embodiments, wherein the upper mold plate 10 is provided with an upper mold core 11, the lower mold plate 20 is provided with a lower mold core 21, the inclined top piece 40 is movably disposed in the mounting groove 211, the lower end of the inclined top piece 40 extends downward from the lower mold core 21, and the upper mold core 11, the lower mold core 21, the inclined top piece 40, the mold core insert 31, and the insert stop 32 together enclose a molding cavity 100 for molding an injection product, and the product is molded in the molding cavity 100.

The oblique top piece 40 has a connecting rod 42 penetrating the lower die core 21 and an oblique top block 41 connected to one end of the connecting rod 42, the oblique top block 41 is disposed in the mounting groove 211 and abuts against the insert stop 32, and the other end of the connecting rod 42 extends out of the lower die core 21.

The quick-dismantling type insert assembly and the injection mold have the beneficial effects that:

1. By arranging the die insert 31, only the die insert 31 is replaced during maintenance without disassembling the whole injection mold for maintenance, so that the maintenance is quick and convenient;

2. The mold insert 31 is formed by splicing a plurality of sub-inserts 311 which are arranged in a segmented manner, and only the damaged sub-inserts 311 need to be replaced during maintenance, so that the maintenance cost is greatly reduced.

3. The vulnerable part of the injection mold is designed into a detachable insert structure, and the service life of the injection mold is prolonged by replacing the mold insert 31.

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. A quick-release insert assembly, arranged on a lower mold core of an injection mold, characterized in that it comprises a mold core insert and an insert stopper arranged on the lower mold core, the upper surface of the lower mold core is provided with a mounting groove, the mold core insert and the insert stopper are arranged in the mounting groove, the mounting groove comprises an embedding groove located on one side of the mounting groove and a receiving groove connected to the embedding groove, the insert stopper is installed in the receiving groove, the mold core insert is spliced by a plurality of sub-inserts arranged in sections, and each of the sub-inserts is detachably arranged in the embedding groove, the sub-insert comprises an embedding portion extending in a vertical direction and a limiting portion extending from the embedding portion to the receiving groove, the embedding portion is installed in the embedding groove, the limiting portion protrudes into the receiving groove and abuts against the insert stopper, and the insert stopper fixes the sub-insert on the lower mold core.

2. A quick-release insert assembly as described in claim 1, characterized in that a plurality of said sub-inserts are arranged side by side in said embedding groove.

3. A quick-release insert assembly as described in claim 2, characterized in that adjacent sub-inserts are connected by snap-fit or overlap.

4. A quick-release insert assembly as described in claim 1, characterized in that a limiting groove is recessed on the bottom wall of the accommodating groove, the limiting groove is connected to the embedding groove, the limiting portion protrudes into the limiting groove, and the insert stopper abuts against the upper surface of the limiting portion.

5. A quick-release insert assembly as described in claim 1, characterized in that the sub-insert also includes a protruding portion, the protruding portion is located above the limiting portion and extends upward in a vertical direction, and the protruding portion extends out from the upper surface of the lower mold core.

6. A quick-release insert assembly as described in claim 1, characterized in that the quick-release insert assembly comprises a plurality of insert blocks, each of which abuts against at least one of the sub-inserts.

7. A quick-release insert assembly as described in claim 1, characterized in that a mounting hole is provided on the insert stopper, and the insert stopper is fixed in the receiving groove by screws.

8. A quick-release insert assembly as described in claim 1, characterized in that the embedding groove passes through the lower mold core.

9. An injection mold, comprising an upper mold plate, a lower mold plate, a lift piece and a quick-release insert assembly as described in any one of claims 1 to 8, characterized in that the upper mold plate is installed with an upper mold core, the lower mold plate is installed with the lower mold core, the lift piece is movably arranged in the installation groove and the lower end of the lift piece extends downward from the lower mold core, the upper mold core, the lower mold core, the lift piece, the mold core insert and the insert block together form a molding cavity for molding an injection molded product, and the product is molded in the molding cavity.

10. An injection mold as described in claim 9, characterized in that the inclined ejector has a connecting rod passing through the lower mold core and an inclined ejector block connected to one end of the connecting rod, the inclined ejector block is arranged in the mounting groove and abuts against the insert stopper, and the other end of the connecting rod extends out from below the lower mold core.