CN218749101U

CN218749101U - Structure for solving material pulling scrap of mold product flow passage

Info

Publication number: CN218749101U
Application number: CN202221042896.6U
Authority: CN
Inventors: 涂益斌
Original assignee: Suzhou Hongshuo Precision Mould Co ltd
Current assignee: Suzhou Hongshuo Precision Mould Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2023-03-28
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a solve mould product runner and draw structure of material bits, including movable mould core and cover half core, movable mould core position in cover half core one side is provided with the runner, set up the through-hole of ammunition feed piece installation on the movable mould core, install the bullet piece in the through-hole, bullet piece one end is supported on the runner, movable mould core keeps away from cover half core one end and installs the latch segment, the last spring mounting groove of having seted up of latch segment, and install the spring in the spring mounting groove, the spring both ends are supported respectively on bullet piece and latch segment. In the utility model, when the mould is opened, the elastic block compresses the flow channel to generate delayed demoulding; the product and the runner are cut off firstly, and then the runner is demoulded from the female die, so that the runner is prevented from being pulled by stress in the X direction and the Z direction to generate material scraps; compared with the traditional flow passage demoulding structure, the flow passage demoulding structure can improve the product yield and greatly improve the stability; the cost can be effectively reduced, and the production efficiency and the production stability can be improved.

Description

Structure for solving material pulling scrap of mold product flow passage

Technical Field

The utility model relates to a relevant technical field of mould specifically is a solve mould product runner and draw structure of material bits.

Background

Injection molding is a common method for manufacturing products, and generally involves injecting heated and melted plastic into a mold cavity through an injection molding machine under high pressure, cooling and solidifying to obtain a molded product. At present, injection products are usually produced in batch, and a main runner is divided into a plurality of left and right sub-runners which are communicated with cavities of a plurality of products. After the product is formed, the injection molding runner congeals and the formed product are usually ejected synchronously through an ejector pin, the runner congeals cannot be automatically separated from the formed product, and subsequent treatment is needed.

The mould is the design of submarine gate, and current traditional runner demoulding structure has following problem point: 1. cold scraps are easy to adhere to the surface of the product, so that the die is crushed, and the service life of the die is influenced; 2. cold scraps easily cause poor surface appearance of the product; 3. the cold scraps are easy to block pouring products, so that the filling of the products is poor; 4. the product quality cannot be effectively controlled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solve mould product runner and draw structure of material bits to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a solve mould product runner and draw structure of material bits, includes movable mould core and cover half core, movable mould core is located cover half core one side and is provided with the runner, set up the through-hole that supplies bullet piece installation on the movable mould core, install the bullet piece in the through-hole, bullet piece one end is supported on the runner, movable mould core keeps away from cover half core one end and installs the latch segment, spring mounting groove has been seted up on the latch segment, and installs the spring in the spring mounting groove, the spring both ends are supported respectively on bullet piece and latch segment.

Preferably, the cross section of the bullet piece is T font structure, the cross section of through-hole is T font structure.

Preferably, the number of the elastic blocks, the number of the springs and the number of the through holes are the same, the elastic blocks, the springs and the through holes are in one-to-one correspondence, and at least two elastic blocks, at least two springs and at least two through holes are arranged.

Preferably, the shape of the elastic block at the runner is matched with the shape of the surface at the runner contact part.

Preferably, still include fixed plate, movable mould board and fixed die plate, movable mould core and fixed die core are located between movable mould board and the fixed die plate, the thimble board is installed on the fixed plate top, the fixed plate is located the thimble board and installs twice and is used for carrying out the square iron that supports to the movable mould board.

Preferably, the device further comprises a product, wherein the product is positioned between the movable mold core and the fixed mold core.

Compared with the prior art, the beneficial effects of the utility model are that: when the mold is opened, the elastic block compresses the flow channel to generate delayed demolding; the product and the runner are cut off firstly, and then the runner is demoulded from the female die, so that the runner is prevented from being pulled by stress in the X direction and the Z direction to generate material scraps;

compared with the traditional flow passage demoulding structure, the flow passage demoulding structure can improve the product yield and greatly improve the stability; the cost can be effectively reduced, and the production efficiency and the production stability can be improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

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

figure 3 is an exploded view of figure 2 in accordance with the present invention;

fig. 4 is a schematic structural diagram of the bullet block and the flow channel of the present invention.

In the figure: 1. an ejector plate; 2. a fixing plate; 3. square iron; 4. moving the template; 5. fixing a template; 6. a sprue bush; 7. a locking block; 8. a movable mold core; 9. fixing a mold core; 10. a spring; 11. a spring block; 12. a flow channel; 13. and (5) producing the product.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a structure for solving the problem of material pulling chips of a mold product runner includes a movable mold core 8 and a fixed mold core 9, the movable mold core 8 is provided with a runner 12 at one side of the fixed mold core 9, the movable mold core 8 is provided with a through hole for mounting an elastic block 11, the elastic block 11 is mounted in the through hole, one end of the elastic block 11 abuts against the runner 12, the end of the movable mold core 8, which is far away from the fixed mold core 9, is provided with a locking block 7, the locking block 7 is provided with a spring mounting groove, a spring 10 is mounted in the spring mounting groove, and two ends of the spring 10 respectively abut against the elastic block 11 and the locking block 7; the section of the elastic block 11 is of a T-shaped structure, and the section of the through hole is of a T-shaped structure; the number of the elastic blocks 11, the number of the springs 10 and the number of the through holes are the same and are in one-to-one correspondence, and at least two elastic blocks 11, springs 10 and through holes are arranged; the shape of the elastic block 11 at the position of the flow passage 12 is matched with the shape of the surface at the contact position of the flow passage 12; the fixed plate 2 is positioned between the movable mold plate 4 and the fixed mold plate 5, the ejector plate 1 is arranged at the top end of the fixed plate 2, the fixed plate 2 is positioned on the ejector plate 1 and is provided with the square iron 3 for supporting the movable mold plate 4 for two times, and the product 13 is also positioned between the movable mold plate 8 and the fixed mold plate 9;

the mold opening of the injection molding machine → the opening of the movable mold plate 4 and the fixed mold plate 5 → the spring 10 ejects the elastic block 11 in the mold opening process → the elastic block 11 compresses the flow channel 12 to the movable mold core 8 → the movable mold plate 4 and the fixed mold plate 5 are opened to 2mm, the flow channel 12 is cut off from the product 13 → the movable mold plate 4 and the fixed mold plate 5 are opened for 2mm, and then the flow channel 12 is demolded from the movable mold core 8;

when the mold is opened, the elastic block compresses the flow channel to generate delayed demolding; the product and the runner are cut off firstly, and then the runner is demoulded from the female die, so that the runner is prevented from being pulled by stress in the X direction and the Z direction to generate material scraps; compared with the traditional flow passage demoulding structure, the flow passage demoulding structure has the advantages that the product yield can be improved, and the stability is improved to a great extent; the cost can be effectively reduced, and the production efficiency and the production stability can be improved.

The utility model discloses a theory of operation is: the mold opening of the injection molding machine → the opening of the movable mold plate 4 and the fixed mold plate 5 → the spring 10 ejects the elastic block 11 in the mold opening process → the elastic block 11 presses the flow channel 12 on the movable mold core 8 → the movable mold plate 4 and the fixed mold plate 5 are opened to 2mm, the flow channel 12 is cut off from the product 13 → the movable mold plate 4 and the fixed mold plate 5 are opened for 2mm, and then the flow channel 12 is demolded from the movable mold core 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a solve mould product runner and draw structure of material bits, includes movable mould core (8) and cover half core (9), its characterized in that: move mold core (8) and be located fixed mold core (9) one side and be provided with runner (12), set up the through-hole that supplies bullet piece (11) installation on moving mold core (8), install bullet piece (11) in the through-hole, bullet piece (11) one end is supported on runner (12), moving mold core (8) are kept away from fixed mold core (9) one end and are installed latch segment (7), spring mounting groove has been seted up on latch segment (7), and installs spring (10) in the spring mounting groove, spring (10) both ends are supported respectively on bullet piece (11) and latch segment (7).

2. The structure for solving the problem of the material pulling chips of the runner of the die product as recited in claim 1, wherein: the section of the elastic block (11) is of a T-shaped structure, and the section of the through hole is of a T-shaped structure.

3. The structure for solving the material pulling chip of the runner of the die product as claimed in claim 1, wherein: the number of the elastic blocks (11), the number of the springs (10) and the number of the through holes are the same, the elastic blocks (11), the springs (10) and the through holes are in one-to-one correspondence, and at least two elastic blocks are arranged.

4. A structure for solving die product runner scraps as recited in claim 1, 2 or 3, wherein: the shape of the elastic block (11) at the position of the flow passage (12) is matched with the shape of the surface of the contact position of the flow passage (12).

5. The structure for solving the material pulling chip of the runner of the die product as claimed in claim 1, wherein: still include fixed plate (2), movable mould board (4) and fixed die plate (5), movable mould core (8) and fixed die core (9) are located between movable mould board (4) and fixed die plate (5), thimble board (1) is installed on fixed plate (2) top, fixed plate (2) are located thimble board (1) and twice install square iron (3) that are used for supporting movable mould board (4).

6. The structure for solving the material pulling chip of the runner of the die product as claimed in claim 1, wherein: the die also comprises a product (13), wherein the product (13) is positioned between the movable die core (8) and the fixed die core (9).