An ejection structure of an injection mold for a product with a flange

By designing the ejection structure of the injection mold with flip products, using components such as the insertion groove, buckle groove, straight top and oblique top, the non-planar design of the inclined top surface of the mold is achieved, solving the problem of the appearance in the existing technology that does not meet the aesthetic requirements and improving the aesthetic quality of the product.

CN222727290UActive Publication Date: 2025-04-08DONGGUAN JINGHONG PLASTIC MOULD CO LTD
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Patent Information

Application Number
CN202421322799.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-08
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

If the ejection structure of existing injection molds has a buckle-position inclined top direction, the parts or the top surface are usually required to be disassembled or changed to a plane, resulting in the appearance does not meet the aesthetic requirements and limits the research and development of the product.

Method used

Design an ejection structure for injection molds with flanges, including molds, embed grooves, buckle grooves, straight top, straight top push rods, oblique top and oblique top push rods. Through the coordinated work of these components, a non-planar design of the inclined top top surface of the mold is realized.

Benefits of technology

The requirement that the mold inclined top surface is not a flat surface, meets the needs of different structural shapes of the product appearance, and improves the aesthetic quality of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ejection structure of an injection mold for a product with a flange, comprising: a mold, two embedding grooves are symmetrically provided on both sides of the top of the mold, a plurality of buckle grooves are provided on one side of the embedding groove, a straight top is buckled in the embedding groove, a plurality of straight top push rods are installed at the bottom end of the straight top, a plurality of the buckle grooves are all provided with inclined tops, an inclined top push rod is installed at the bottom end of the inclined top, a plurality of the straight top push rods and a plurality of inclined top push rods are all connected with an external ejector plate, and the top ends of the plurality of inclined tops on the same side are all fitted to the bottom end of the straight top. The ejection structure of the injection mold for a product with a flange can realize the requirement that the top surface of the mold inclined top is not a plane, thereby meeting the requirements of different structural shapes of the product appearance, and the product is more in line with aesthetic requirements.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an ejection structure of an injection mold for a product with a flanging. Background Art

[0002] Flanging of stamping parts is a stamping process method that turns the hole edge or outer edge of the part into a vertical edge under the action of the mold. The two basic forms of flanging are inner hole flanging and outer edge flanging. The flanging method can be used to process precision stamping parts with complex shapes, good rigidity and reasonable spatial shapes. In the injection mold of the flanging product, an ejector structure is required to eject the molded product.

[0003] However, the ejection structure of the existing injection mold, if there is a buckle position with an inclined ejection direction, is generally made into a disassembled part or the top surface is changed to a flat shape, which easily causes the appearance not to meet the final aesthetic requirements, thereby limiting the product research and development to mold manufacturing and failing to achieve it. Utility Model Content

[0004] The purpose of the utility model is to provide an ejection structure of an injection mold for a product with a flange, which can realize the requirement that the top surface of the mold's inclined top is not flat, thereby meeting the requirements of different structural shapes of the product appearance, making the product more aesthetically pleasing, and solving the problems raised by the above technical background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ejection structure of an injection mold for a product with a flange, comprising: a mold, two embedding grooves are symmetrically provided on both sides of the top of the mold, a plurality of buckle grooves are provided on one side of the embedding groove, a straight top is buckled in the embedding groove, a plurality of straight top push rods are installed at the bottom end of the straight top, a plurality of the buckle grooves are all installed with inclined tops, an inclined top push rod is installed at the bottom end of the inclined top, a plurality of the straight top push rods and a plurality of the inclined top push rods are all connected to an external ejector pin plate, and the top ends of the plurality of inclined tops on the same side are all fitted to the bottom end of the straight top;

[0006] The mold is used to produce the product, the embedding groove is used to enable the straight top to be embedded in the mold, the buckle groove is used to install the inclined top on the mold and enable the inclined top to slide in the buckle groove, the straight top is used to eject the product, the straight top push rod is used to push the straight top to move, the inclined top is used to produce the hook inside the product, and the inclined top push rod is used to push the inclined top to move.

[0007] Preferably, a fixing protrusion is integrally formed at the bottom end of the straight push rod, and the straight push rod is connected to an external lifting component via the fixing protrusion; the fixing protrusion is used to snap onto the external lifting component.

[0008] Preferably, a buckle protrusion is installed on the top of the straight top, and the straight top is buckled and connected to an external device through the buckle protrusion; the buckle protrusion is used to buckle the straight top and the external device.

[0009] Preferably, a buckle groove is provided at the bottom end of the inclined push rod, and the inclined push rod is connected to an external lifting component through the buckle groove; the buckle groove is used to buckle the inclined push rod to the external lifting component.

[0010] Preferably, the mold is a semi-cylindrical structure, and the product is formed on the outer side of the mold.

[0011] Preferably, a product is attached to the outer side of the inclined top, and a hook is integrally formed at the attachment point between the product and the inclined top.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The movement of the external lifting component drives the straight push rod and the inclined push rod to move. The inclined push rod moves along the buckle groove, and the straight push rod moves along the embedded groove. Both push out at the same time. The inclined push rod moves at the bottom of the straight push rod and slides to the inside of the straight push rod, thereby completely separating from the buckle position of the product and being able to take out the product.

[0014] The ejection structure of the injection mold for the product with flange can realize the requirement that the top surface of the mold's inclined top is not flat, thereby meeting the requirements of different structural shapes of the product appearance, and the product is more in line with aesthetic requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model from a top view;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 3 It is a structural schematic diagram of the mold of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of removing the mold of the utility model.

[0019] The reference numerals and names in the figures are as follows:

[0020] 100, mold; 110, embedding groove; 120, buckle groove; 200, straight top; 210, straight top push rod; 211, fixing protrusion; 220, buckle protrusion; 300, inclined top; 310, inclined top push rod; 311, buckle groove; 400, product; 410, hook. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figures 1 to 4 The embodiment provided by the utility model is an ejection structure of an injection mold for a product with a flange, comprising: a mold 100, two embedding grooves 110 are symmetrically provided on both sides of the top of the mold 100, three buckle grooves 120 are provided on one side of the embedding groove 110, a straight top 200 is buckled in the embedding groove 110, two straight top push rods 210 are integrally formed at the bottom end of the straight top 200, a plurality of the buckle grooves 120 are installed with inclined tops 300, an inclined top push rod 310 is integrally formed at the bottom end of the inclined top 300, the two straight top push rods 210 and the three inclined top push rods 310 are all connected to an external ejector plate, and the top ends of the three inclined tops 300 on the same side are all fitted to the bottom end of the straight top 200;

[0024] In specific use, after the mold 100 is opened, the external lifting component moves to drive the straight push rod 210 and the inclined push rod 310 to move, the inclined push rod 300 moves along the buckle groove 120, and the straight push rod 200 moves along the embedded groove 110, and both are pushed out at the same time. The inclined push rod 300 moves at the bottom of the straight push rod 200 and slides to the inside of the straight push rod 200, thereby completely disengaging from the buckle position of the product 400 and taking out the product 400.

[0025] Embodiment 2

[0026] See also Figures 1 to 4 The utility model proposes an ejection structure of an injection mold with a flanged product. Compared with the first embodiment, this embodiment also includes:

[0027] A fixing protrusion 211 is integrally formed at the bottom end of the straight push rod 210, and the straight push rod 210 is connected to an external lifting component via the fixing protrusion 211; the straight push rod 210 is installed on the external lifting component via the fixing protrusion 211, so that the external lifting component can drive the straight push rod 210 to move up and down.

[0028] A buckle protrusion 220 is integrally formed at the top of the straight top 200 , and the straight top 200 is buckled and connected to an external device through the buckle protrusion 220 ; the straight top 200 and the external device are connected through the buckle protrusion 220 to prevent dislocation.

[0029] A buckle slot 311 is provided at the bottom end of the inclined push rod 310, and the inclined push rod 310 is connected to an external lifting component through the buckle slot 311; the inclined push rod 310 is buckled on the external lifting component through the buckle slot 311, and the external lifting component drives the inclined push rod 310 to move up and down.

[0030] The mold 100 is a semi-cylindrical structure, and the product 400 is formed on the outer side of the mold 100 ; the mold 100 is used to complete the molding of the product 400 .

[0031] The product 400 is attached to the outer side of the inclined top 300 , and a hook 410 is integrally formed at the attachment point between the product 400 and the inclined top 300 ; the hook 410 of the product 400 is formed by the inclined top 300 .

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An ejection structure of an injection mold for a product with a flange, characterized in that: include: A mold (100), wherein two embedding grooves (110) are symmetrically provided on both sides of the top of the mold (100), a plurality of buckle grooves (120) are provided on one side of the embedding groove (110), a straight top (200) is buckled in the embedding groove (110), a plurality of straight top push rods (210) are installed at the bottom end of the straight top (200), a plurality of inclined tops (300) are installed in the buckle grooves (120), an inclined top push rod (310) is installed at the bottom end of the inclined top (300), a plurality of the straight top push rods (210) and a plurality of inclined top push rods (310) are connected to external ejector pin plates, and the top ends of the plurality of inclined tops (300) on the same side are all fitted to the bottom end of the straight top (200).

2. The ejection structure of an injection mold for a product with a flange according to claim 1, characterized in that: A fixing protrusion (211) is integrally formed at the bottom end of the straight push rod (210), and the straight push rod (210) is connected to an external lifting component via the fixing protrusion (211).

3. The ejection structure of an injection mold for a product with a flange according to claim 1, characterized in that: A buckle protrusion (220) is installed at the top end of the straight top (200), and the straight top (200) is buckled and connected to an external device via the buckle protrusion (220).

4. The ejection structure of an injection mold for a product with a flange according to claim 1, characterized in that: A buckle slot (311) is provided at the bottom end of the inclined push rod (310), and the inclined push rod (310) is connected to an external lifting component via the buckle slot (311).

5. The ejection structure of an injection mold for a product with a flange according to claim 1, characterized in that: The mold (100) is a semi-cylindrical structure, and a product (400) is formed on the outer side of the mold (100).

6. The ejection structure of an injection mold for a product with a flange according to claim 1, characterized in that: A product (400) is attached to the outer side of the inclined top (300), and a hook (410) is integrally formed at the attachment point between the product (400) and the inclined top (300).