Injection mold insert positioning mechanism

Abstract

The utility model discloses an injection mold insert positioning mechanism which comprises a mold and an insert, a positioning part of the insert is positioned outside an injection mold, the mold comprises an upper mold, a first lower half mold, a second lower half mold and a mold frame, and the mold frame is sleeved outside the upper mold, the first lower half mold and the second lower half mold. Corresponding insert half grooves are formed in the contact surfaces of the first lower half mold and the second lower half mold, the two insert half grooves are folded to form an insert groove, and the insert groove is matched with the positioning part; according to the insert positioning mechanism of the injection mold, the insert groove is formed through the combination of the mold, and the positioning part of the insert is embedded in the insert groove, so that the insert is positioned and fixed, the insert is prevented from randomly moving in the injection molding process of the mold, defective products are reduced, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to an insert positioning mechanism for injection molds. Background Technology

[0002] Injection molding with inserts refers to a molding method in which inserts of different materials are pre-installed in the mold and then resin is injected, so that the molten resin material bonds with the inserts and solidifies to form an injection molded part.

[0003] The existing injection molds do not have a limit and fixation for the inserts, which causes the inserts to move freely during the product molding process, resulting in defective products, increased production costs, and reduced work efficiency.

[0004] In view of this, it is necessary to develop an injection mold insert positioning mechanism to solve the above problems. Summary of the Invention

[0005] The purpose of this utility model is to provide an injection mold insert positioning mechanism, including a mold and an insert. The positioning part of the insert is located outside the injection molded part. The mold includes an upper mold, a first lower mold half, a second lower mold half, and a mold frame. The mold frame is sleeved outside the upper mold, the first lower mold half, and the second lower mold half. Corresponding insert half-grooves are formed on the surfaces of the first lower mold half and the second lower mold half that are in contact with each other. The two insert half-grooves are closed to form an insert groove, and the insert groove is adapted to the positioning part.

[0006] Preferably, the positioning part includes a positioning square post and a positioning frustum, the positioning square post and the positioning frustum are coaxially arranged, and the diameter of the positioning frustum is greater than the width of the positioning square post.

[0007] Preferably, the mold frame is square, the upper half of the mold frame is adapted to the upper mold, and the lower half of the mold frame is adapted to the combination of the first lower mold and the second lower mold.

[0008] Preferably, the outer surfaces of the first and second lower mold halves are stepped, and the lower half of the mold frame is fitted onto the stepped surfaces of the first and second lower mold halves.

[0009] Preferably, the insert is a one-piece molded metal part.

[0010] The advantages and beneficial effects of this utility model are as follows: It provides an injection mold insert positioning mechanism, which forms an insert groove through the combination of molds, and the positioning part of the insert is embedded in the insert groove, thereby positioning and fixing the insert, preventing the insert from moving randomly during the injection molding process, reducing the generation of defective products, and improving work efficiency. Attached Figure Description

[0011] Figure 1This is a schematic diagram of the present invention.

[0012] Figure 2 This is a split diagram of the present invention. Detailed Implementation

[0013] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0014] The specific technical solution of this utility model is as follows:

[0015] like Figure 1 and Figure 2 As shown, an injection mold insert positioning mechanism includes a mold and an insert 6. The positioning part 7 of the insert 6 is located outside the injection molded part. The mold includes an upper mold 1, a first lower mold half 2, a second lower mold half 3, and a mold frame 4. The mold frame 4 is sleeved outside the upper mold 1, the first lower mold half 2, and the second lower mold half 3. Corresponding insert half grooves 5 are formed on the surfaces of the first lower mold half 2 and the second lower mold half 3 that are in contact with each other. The two insert half grooves 5 are closed to form an insert groove 8, and the insert groove 8 is adapted to the positioning part 7.

[0016] The aforementioned positioning part 7 includes a positioning square post 71 and a positioning frustum 72. The positioning square post 71 and the positioning frustum 72 are coaxially arranged, and the diameter of the positioning frustum 72 is larger than the width of the positioning square post 71. Specifically, the positioning square post 71 and the positioning frustum 72 are embedded in a matching insert groove 8, which helps to make the positioning and fixing of the insert 6 on the mold more secure.

[0017] The aforementioned mold frame 4 is square in shape. The upper half of the mold frame 4 is adapted to the upper mold 1, and the lower half of the mold frame 4 is adapted to the combination of the first lower mold 2 and the second lower mold 3. Specifically, the lower half of the mold frame 4 is fitted outside the first lower mold 2 and the second lower mold 3, so that the first lower mold 2 and the second lower mold 3 are combined more tightly. The upper half of the mold frame 4 plays a positioning role for the upper mold 1, so that the combination of the upper mold 1 with the first lower mold 2 and the second lower mold 3 is more accurate when the mold is closed.

[0018] The outer surfaces of the first lower mold 2 and the second lower mold 3 are stepped, and the lower half of the mold frame 4 is fitted onto the stepped surfaces 9 of the first lower mold 2 and the second lower mold 3.

[0019] The aforementioned insert 6 is a one-piece molded metal part.

[0020] In use, the positioning part 7 of the insert 6 is first installed in the insert half groove 5 of the first lower half mold 2 and the second lower half mold 3. Then, the first lower half mold 2 and the second lower half mold 3 are closed together, so that the positioning square post 71 and the positioning round platen 72 of the positioning part 7 are embedded in the insert groove 8. The lower half of the mold frame 4 is fitted onto the outer step surface 9 of the combination of the first lower half mold 2 and the second lower half mold 3. Then, the upper mold 1 is placed downward into the upper half of the mold frame 4. After the upper mold 1 is closed with the first lower half mold 2 and the second lower half mold 3, injection molding is performed. The insert 6 is positioned and fixed by the insert groove 8 to prevent the insert 6 from moving randomly during the injection molding process, thereby reducing the generation of defective products and improving work efficiency.

[0021] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A positioning mechanism for an insert in an injection mold, comprising a mold and an insert, characterized in that: The positioning part of the insert is located outside the injection molded part. The mold includes an upper mold, a first lower mold half, a second lower mold half, and a mold frame. The mold frame is sleeved outside the upper mold, the first lower mold half, and the second lower mold half. Corresponding insert half-grooves are formed on the surfaces of the first lower mold half and the second lower mold half that are in contact with each other. The two insert half-grooves are joined together to form an insert groove. The insert groove is adapted to the positioning part.

2. The injection mold insert positioning mechanism according to claim 1, characterized in that, The positioning part includes a positioning square post and a positioning frustum. The positioning square post and the positioning frustum are coaxially arranged, and the diameter of the positioning frustum is larger than the width of the positioning square post.

3. The injection mold insert positioning mechanism according to claim 2, characterized in that, The mold frame is square, with the upper half of the mold frame adapted to the upper mold, and the lower half of the mold frame adapted to the combination of the first lower mold and the second lower mold.

4. The injection mold insert positioning mechanism according to claim 3, characterized in that, The outer surfaces of the first and second lower mold halves are stepped, and the lower half of the mold frame is fitted onto the stepped surfaces of the first and second lower mold halves.

5. The injection mold insert positioning mechanism according to claim 4, characterized in that, The insert is a one-piece molded metal part.

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