CN216658760U

CN216658760U - Alternating lower die assembly

Info

Publication number: CN216658760U
Application number: CN202122978377.2U
Authority: CN
Inventors: 胡普度
Original assignee: Dongguan Dawang Precision Mould Co ltd
Current assignee: Dongguan Dawang Precision Mould Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-03
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of injection molding processing, in particular to an alternating lower die assembly, which comprises a die holder, wherein a die core is arranged in the die holder, the die core is provided with a handle, the die core is also provided with a molding cavity, an ejector pin assembly and an injection passage, the injection passage is communicated with the molding cavity, and the ejector pin assembly is positioned at the bottom end of the molding cavity.

Description

Alternating lower die assembly

Technical Field

The utility model relates to the technical field of injection molding processing, in particular to an alternative lower die assembly.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like. Injection molding is a process in which a plastic material that is completely melted is stirred by a screw at a certain temperature, injected into a mold cavity at high pressure, and cooled to solidify to obtain a molded article. The method is suitable for mass production of parts with complex shapes, and is one of important processing methods.

The existing mold used in injection molding processing is generally a one-to-one molding process of an upper mold and a lower mold, namely after one-time molding is completed, the upper mold needs to wait for the molding material in the lower mold to be processed, and then the next procedure is carried out, so that the production efficiency is low.

In view of the above, there is a need for an improved mold structure in the prior art to better solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an alternative lower die which is simple in structure, reasonable in design and high in machining efficiency.

The technical scheme adopted by the utility model is as follows:

the utility model provides an alternating lower mould component, includes the die holder, be equipped with the mold core in the die holder, the mold core is equipped with the handle, the mold core still is equipped with becomes die cavity, thimble assembly and the route of moulding plastics, the route of moulding plastics with become the die cavity intercommunication, thimble assembly is located become the die cavity bottom.

The technical scheme is further improved in that the handles are arranged in two groups, and the two groups of handles are symmetrically arranged on two parallel sides of the mold core.

The technical proposal is further improved in that the handle is designed to be cylindrical.

The further improvement to the technical scheme is that the handle is far away from one end of the mold core, a connecting groove is inwards concave, and the connecting groove is cylindrical.

The technical scheme is further improved in that a connecting column is arranged at one end, close to the mold core, of the handle, and the mold core is provided with a connecting hole matched with the connecting column.

The technical scheme is further improved in that the molding cavities comprise a plurality of molding passages, and the injection molding passages are respectively communicated with the molding cavities.

The further improvement of the technical scheme is that the ejector pin assembly comprises a bottom plate and an ejector pin which are connected with each other.

The further improvement of the technical proposal is that the die holder and the die core are provided with matching alignment holes.

The utility model has the following beneficial effects:

the mould comprises a mould base, wherein a mould core is arranged in the mould base, the mould core is provided with a handle, the mould core is also provided with a forming cavity, an ejector pin assembly and an injection passage, the injection passage is communicated with the forming cavity, and the ejector pin assembly is positioned at the bottom end of the forming cavity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the mold core of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the handle of the present invention;

description of reference numerals: 1. the injection molding device comprises a die holder, 2 parts of a die core, 21 parts of connecting holes, 3 parts of a handle, 31 parts of connecting grooves, 32 parts of connecting columns, 4 parts of molding cavities, 5 parts of ejector pin assemblies, 51 parts of bottom plates, 52 parts of ejector pins, 6 parts of injection molding passages and 7 parts of alignment holes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in fig. 1 to 4, the alternating lower die assembly of this embodiment includes a die holder 1, a die core 2 is disposed in the die holder 1, the die core 2 is provided with a handle 3, the die core 2 is further provided with a molding cavity 4, an ejector pin assembly 5 and an injection passage 6, the injection passage 6 is communicated with the molding cavity 4, and the ejector pin assembly 5 is located at the bottom end of the molding cavity 4.

Specifically, wherein, handle 3 is equipped with two sets ofly, two sets ofly 3 symmetry of handle set up in the parallel both sides of mold core 2, handle 3 establishes to the cylinder type, and through setting up two sets of handles 3, the getting of mold core 2 is put and is fixed convenient, and its structure sets up simply, and the practicality is strong.

Handle 3 is kept away from the one end of mold core 2 is equipped with spread groove 31 to the indent, spread groove 31 is cylindrical, handle 3 is close to the one end of mold core 2 is equipped with spliced pole 32, mold core 2 be equipped with spliced pole 32 assorted connecting hole 21, through setting up spread groove 31 in this embodiment, be convenient for with the butt joint of injection moulding device, and the setting of spliced pole 32 is convenient for be connected with mold core 2, and its structural design is simple, connects firm convenient.

The molding cavity 4 comprises a plurality of molding cavities 4, the injection molding passage 6 is respectively communicated with the molding cavities 4, the molding cavities 4 are arranged in the embodiment, the synchronous processing of a plurality of products is facilitated, specifically, as shown in fig. 1, the lower die assembly for processing the magnetic reed pipes is shown in the drawing of the embodiment, the molding cavities 4 are internally provided with magnetic reed pipe iron wire placing grooves, and the magnetic reed pipe iron wires can be placed outside the injection molding equipment in the alternate processing process, so that the safe and efficient magnetic reed pipe processing is realized.

The ejector pin assembly 5 comprises a bottom plate 51 and ejector pins 52 which are connected with each other, the structure design of the embodiment is simple, the ejection is convenient, specifically, in the embodiment, two ejector pins 52 are respectively arranged corresponding to each molding cavity 4, and the two ejector pins 52 are symmetrically arranged at two ends of each molding cavity 4, so that the ejection effect is better realized.

The die holder 1 with the mold core 2 is equipped with matched with counterpoint hole 7, and the die assembly location in the course of working of being convenient for is fixed a position to such setting of this embodiment, and its structure sets up simply, and the die assembly processing is convenient.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An alternating lower die assembly is characterized by comprising a die holder, wherein a die core is arranged in the die holder, the die core is provided with a handle, the die core is also provided with a forming cavity, an ejector pin assembly and an injection molding passage, the injection molding passage is communicated with the forming cavity, and the ejector pin assembly is positioned at the bottom end of the forming cavity;

the handles are arranged in two groups, and the two groups of handles are symmetrically arranged on two parallel sides of the mold core;

the handle is cylindrical;

one end of the handle, which is far away from the mold core, is inwards provided with a connecting groove, and the connecting groove is cylindrical;

the handle is close to one end of the mold core, a connecting column is arranged, and the mold core is provided with a connecting hole matched with the connecting column.

2. An alternative drag die assembly according to claim 1 wherein said molding cavities comprise a plurality of said molding passages, said injection passages communicating with a respective plurality of said molding cavities.

3. An alternative lower die assembly according to claim 1 wherein said ejector pin assembly comprises interconnected base plates and ejector pins.

4. An alternative lower die assembly according to claim 1 wherein the die holder and die core are provided with cooperating alignment holes.