Quick release type insert assembly and injection mold

Abstract

The quick release type insert assembly is arranged on a lower mold core of the injection mold and comprises a mold core insert and an insert check block which are arranged on the lower mold core, a mounting groove is formed in the upper surface of the lower mold core, and the mold core insert and the insert check block are arranged in the mounting groove. The mounting groove comprises an embedding groove located on one side of the mounting groove and a containing groove communicated with the embedding groove, the insert check block is mounted in the containing groove, the mold core insert is formed by splicing a plurality of sub-inserts which are arranged in a segmented mode, and each sub-insert is detachably arranged in the embedding groove; the sub-insert comprises an embedding part extending in the vertical direction and a limiting part extending from the embedding part to the containing groove, the embedding part is installed in the embedding groove, the limiting part extends into the containing groove in a protruding mode and abuts against the insert check block, and the sub-insert is fixed to the lower mold core through the insert check block.

Description

Technical Field

[0001] The utility model relates to the technical field of mold production, in particular to a quick-detachable insert component and an injection mold. Background Art

[0002] Inserts, also known as inserts or inserts, are used to embed accessories in molds. At present, the purpose of inserting molds is generally to save mold manufacturing materials, facilitate mold modification, facilitate mold exhaust, and extend the service life of the mold. In the production of smart phones, the space of some parts of the mold core is small and relatively delicate and complex, such as the wire slot of the mobile phone. This part is prone to breakage or deformation during the production process. The mold core needs to be repaired, and the maintenance cycle is also long. On the one hand, it reduces production efficiency, and on the other hand, it increases the cost of mold maintenance.

[0003] Therefore, in view of the problem that the wire slots of the mold core in the current mobile phone production are easily damaged and difficult to maintain, it is urgent to develop a new machine or new technology to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a quick-detachable insert assembly and an injection mold to solve the problem that the wire slot of the mold core is easily damaged and troublesome to maintain in the current mobile phone production.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A quick-release insert assembly is arranged on the lower mold core of an injection mold, including a mold core insert and an insert block arranged on the lower mold core, an installation groove is opened on the upper surface of the lower mold core, the mold core insert and the insert block are arranged in the installation groove, the installation groove includes an embedding groove located on one side of the installation groove and a receiving groove connected to the embedding groove, the insert block is installed in the receiving groove, the mold core insert is spliced ​​by a plurality of sub-inserts arranged in sections, and each sub-insert is detachably arranged in the embedding groove, the sub-insert includes 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 block, and the insert block fixes the sub-insert on the lower mold core.

[0007] Furthermore, a plurality of sub-inserts are arranged side by side in the embedding groove.

[0008] Furthermore, adjacent sub-inserts are connected in a buckled or overlapped manner.

[0009] Furthermore, a limiting groove is recessed in the bottom wall of the accommodating groove, the limiting groove is communicated with the embedding groove, the limiting portion protrudes into the limiting groove, and the insert stopper abuts against the upper surface of the limiting portion.

[0010] Furthermore, the sub-insert also includes a protruding portion, which is located above the limiting portion and extends upward in the vertical direction, and the protruding portion extends out of the upper surface of the lower mold core.

[0011] Furthermore, the quick-release insert assembly includes a plurality of insert stoppers, each of which abuts against at least one sub-insert.

[0012] Furthermore, a mounting hole is provided on the insert stopper, and the insert stopper is fixed in the accommodating groove by screws.

[0013] Furthermore, the embedding groove passes through the lower mold core.

[0014] An injection mold comprises an upper mold plate, a lower mold plate, an inclined ejector and the above-mentioned quick-detachable insert assembly, wherein the upper mold plate is installed with an upper mold core, the lower mold plate is installed with a lower mold core, the inclined ejector is movably arranged in an installation groove and the lower end of the inclined ejector extends downward from the lower mold core, the upper mold core, the lower mold core, the inclined ejector, 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.

[0015] Furthermore, 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 installation groove and abuts against the insert block. The other end of the connecting rod extends out from below the lower mold core.

[0016] The utility model has the beneficial effects of a quick-detachable insert component and an injection mold: not only the insert can be quickly and conveniently disassembled, but also the maintenance cost is reduced and the life of the mold is prolonged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a cross-sectional view of an injection mold.

[0018] Figure 2 for Figure 1 An enlarged cross-sectional view of point A in the injection mold is shown.

[0019] Figure 3 for Figure 1 A cross-sectional view of the lower mold core of the injection mold is shown.

[0020] Figure 4 for Figure 1 A partial exploded perspective view of the injection mold is shown.

[0021] Figure 5 for Figure 4 A three-dimensional view of the mold insert is shown.

[0022] Figure 6 for Figure 5 A three-dimensional view of a sub-insert of a core insert is shown.

[0023] Figure 7for Figure 4 A perspective view of the insert stop is shown. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] The terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "vertical", "horizontal", etc. in the specification and claims of the utility model indicate directions or position relationships based on the directions or position relationships shown in the drawings, and are only for the clarity of expressing the technical solutions and the convenience of description, and therefore cannot be understood as limitations on the present application.

[0026] See also Figure 1-Figure 6 The utility model discloses a quick-release insert assembly 30, which is arranged on the lower mold core 21 of the injection mold, including a mold core insert 31 arranged on the lower mold core 21 and an insert stopper 32 connected to the mold core insert 31. The upper surface of the lower mold core 21 is provided with a mounting groove 211, and the mold core insert 31 and the insert stopper 32 are arranged in the mounting groove 211. The mounting groove 211 includes an embedding groove 2111 located on one side of the mounting groove 211 and a receiving groove 2113 connected to the embedding groove 2111. The insert stopper 32 is installed in the receiving groove 211. 3, the mold core insert 31 is spliced ​​together by several sub-inserts 311 arranged in sections, and each of the sub-inserts 311 is detachably arranged in the embedding groove 2111, the sub-insert 311 includes an embedding portion 3111 extending in the vertical direction and a limiting portion 3112 extending from the embedding portion 3111 to the receiving groove 2113, the embedding portion 3111 is installed in the embedding groove 2111, the limiting portion 3112 protrudes into the receiving groove 2113 and abuts against the insert stopper 32, and the insert stopper 32 fixes the sub-insert 311 on the lower mold core 21.

[0027] The position where the mold core insert 31 is located is the most vulnerable position in the lower mold core 21. When the mold core insert 31 is damaged, it is only necessary to stop the machine, disassemble the damaged mold core insert 31 and replace it with a new one. This greatly shortens the maintenance time of the mold on the one hand, and avoids production stagnation caused by disassembling the lower mold core 21 for maintenance on the other hand, thereby greatly extending the life of the lower mold core 21 and even the injection mold.

[0028] As described above, the quick-release insert assembly 30 proposed in the utility model fixes the mold core insert 31 to the lower mold core 21 through the insert stopper 32. The mold core insert 31 can be replaced by removing the insert stopper 32, which not only realizes quick and convenient disassembly and assembly of the insert, but also reduces maintenance costs and extends the life of the mold.

[0029] See also Figure 2-Figure 6 , several sub-inserts 311 are arranged side by side in the embedding groove 2111, and the mold core insert 31 is formed by splicing several sub-inserts 311, and adjacent sub-inserts 311 are connected and arranged in a buckle-joined or overlapped manner. In this embodiment, adjacent sub-inserts 311 are connected in an overlapped manner, that is, one end of the sub-insert 311 overlaps the other end of the adjacent sub-insert 311. In other embodiments, adjacent sub-inserts 311 can also be connected in a buckle-joined manner, and a snap-fitting groove and a snap-fitting portion are correspondingly arranged at one end of the sub-insert 311 and the other end of the adjacent sub-insert 311, and the snap-fitting connection is realized by snapping the snap-fitting portion in the buckle-joining groove.

[0030] The core insert 31 is composed of several sub-inserts 311, which can further reduce the maintenance cost of the mold. For example, if one of the sub-inserts 311 is damaged, it is only necessary to remove the damaged sub-insert 311 and replace it with a functional sub-insert 311, without disassembling the entire core insert 31 for replacement, and even more without dismantling the entire set of injection molds.

[0031] Furthermore, the sub-insert 311 also includes a protruding portion 3113 , which is located above the limiting portion 3112 and extends in the vertical direction. The protruding portion 3113 extends out from the upper surface of the lower mold core 21 .

[0032] The bottom wall of the accommodating groove 2113 is concavely provided with a limiting groove 2112, and the limiting groove 2112 is connected with the embedding groove 2111, and the embedding groove 2111 passes through the lower die core 21 downward. The limiting portion 3112 of the sub-insert 311 protrudes into the limiting groove 2112, and the insert block 32 abuts against the 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 block 32, that is, the limiting portion 3112 is sandwiched between the lower die core 21 and the insert block 32, so as to fix the sub-insert 311 on the lower die core 21.

[0033] See also Figure 2-Figure 5 and Figure 7The quick-release insert assembly 30 includes a plurality of insert blocks 32, each of which abuts against at least one of the sub-inserts 311. If one of the sub-inserts 311 is damaged, it is only necessary to remove the insert block 32 corresponding to the damaged sub-insert 311 and take out the damaged sub-insert 311 for replacement without removing other insert blocks 32, which can further shorten the maintenance time of the mold.

[0034] More specifically, the insert stopper 32 is provided with a mounting hole 321, and the lower mold core 21 is provided with a fixing hole corresponding to the mounting hole 321. When the mold core insert 31 and the insert stopper 32 are sequentially installed in the mounting groove 211, the insert stopper 32 is fixed in the fixing hole by screws passing through the mounting hole 321 to fix the insert stopper 32 on the lower mold core 21. In this embodiment, the insert stopper 32 is only fixed in the receiving groove 2113 by screws and the mold core insert 31 is fixed in the embedding groove 2111. When repairing, it is necessary to first stop the machine to remove the screws, then remove the insert stopper 32 from the mounting groove 211, and then remove the sub-insert 311. The above simple operations can realize disassembly and assembly, thereby making repair faster and more convenient.

[0035] Also, see Figure 1-Figure 4 The utility model also provides an injection mold, including an upper mold plate 10, a lower mold plate 20, an inclined ejector 40 and the quick-release insert assembly 30 in any of the above embodiments, the upper mold plate 10 is installed with an upper mold core 11, the lower mold plate 20 is installed with the lower mold core 21, the inclined ejector 40 is movably arranged in the installation groove 211 and the lower end of the inclined ejector 40 extends downward from the lower mold core 21, the upper mold core 11, the lower mold core 21, the inclined ejector 40, the mold core insert 31 and the insert block 32 together form a molding cavity 100 for molding an injection molded product, and the product is molded in the molding cavity 100.

[0036] The inclined ejector 40 has a connecting rod 42 that passes through the lower mold core 21 and an inclined ejector block 41 connected to one end of the connecting rod 42. The inclined ejector block 41 is arranged in the mounting groove 211 and abuts against the insert stopper 32. The other end of the connecting rod 42 extends out from the bottom of the lower mold core 21.

[0037] The utility model has the following beneficial effects:

[0038] 1. By providing the mold core insert 31, during maintenance, only the mold core insert 31 needs to be replaced without disassembling the entire set of injection molds for maintenance, making maintenance quick and convenient;

[0039] 2. The mold core insert 31 is formed by splicing a plurality of sub-inserts 311 that are arranged in sections. During maintenance, only the damaged sub-inserts 311 need to be replaced, which greatly reduces maintenance costs.

[0040] 3. A detachable insert structure is designed for the vulnerable parts of the injection mold, and the mold core insert 31 is replaced to extend the life of the injection mold.

[0041] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A quick-release insert assembly, arranged on the lower mold core of an injection mold, characterized in that: It includes a mold insert and an insert stopper arranged on the lower mold core, and an installation groove is opened on the upper surface of the lower mold core, and the mold insert and the insert stopper are arranged in the installation groove, and the installation groove includes an embedding groove located on one side of the installation groove and a receiving groove connected to the embedding groove, and the insert stopper is installed in the receiving groove, and the mold 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, and the sub-insert includes an embedding portion extending in a vertical direction and a limiting portion extending from the embedding portion to the receiving groove, and the embedding portion is installed in the embedding groove, and 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 claimed in claim 1, characterized in that: A plurality of sub-inserts are arranged side by side in the embedding groove.

3. A quick-release insert assembly as claimed in claim 2, characterized in that: The adjacent sub-inserts are connected in a buckle-joined or overlapped manner.

4. A quick-release insert assembly as claimed in claim 1, characterized in that: The bottom wall of the accommodating groove is concavely provided with a limiting groove, the limiting groove is communicated with 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 claimed in claim 1, characterized in that: The sub-insert also includes a protruding portion, which 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 claimed in claim 1, characterized in that: The quick-release insert assembly comprises a plurality of insert stoppers, each of which abuts against at least one sub-insert.

7. A quick-release insert assembly as claimed in claim 1, characterized in that: The insert stopper is provided with a mounting hole, and the insert stopper is fixed in the accommodating groove by screws.

8. A quick-release insert assembly as claimed 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 tilting member, and a quick-release insert assembly as claimed in any one of claims 1 to 8, characterized in that: The upper mold core is installed on the upper template, and the lower mold core is installed on the lower template. The inclined ejector piece is movably arranged in the installation groove and the lower end of the inclined ejector piece extends downward from the lower mold core. The upper mold core, the lower mold core, the inclined ejector piece, the mold core insert and the insert block together form a molding cavity for molding injection products, and the product is molded in the molding cavity.

10. An injection mold according to claim 9, characterized in that: The inclined ejector has a connecting rod passing through the lower die 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. The other end of the connecting rod extends out from below the lower die core.

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