CN210969758U

CN210969758U - Material-saving die

Info

Publication number: CN210969758U
Application number: CN201921991477.5U
Authority: CN
Inventors: 刘鲁东
Original assignee: Dongguan Benlin Industry Co ltd
Current assignee: Dongguan Benlin Industry Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-10
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a material-saving die, which comprises an upper die and a lower die which form a die structure and are mutually attached, wherein four forming holes which are equidistant and arranged in parallel are arranged inside the die structure, an upper die bottom plate is arranged on the upper die, a square iron is arranged on the lower die, a lower die bottom plate is arranged on the square iron, a die cavity is formed in the upper die and the lower die, and a runner for injecting materials into the die cavity is arranged inside the upper die and the lower die; the runner includes first runner, divides the second runner of first runner reposition of redundant personnel into two discharge gates and connects the third runner of shaping cave mouth, first runner shaping is in the upper die and along go up bottom of the mould board to lower mould distribution. Has the advantages that: the length of the runner is reduced by adjusting the entering mode of the runner of the mold and the structure of the runner and entering from the side, and the volume of the inner cavity of the runner is reduced by matching with a conical structure, so that the loss of the nozzle material after injection molding is finished is reduced, and the economic benefit is improved.

Description

Material-saving die

Technical Field

The utility model relates to a Cable mould technical field, concretely relates to economize material mould.

Background

When an existing Cable mold is used for injection molding, a runner needs to be arranged in a mold strip, and then injection molding raw materials are injected into a mold cavity through the runner. Because the runner in the mould strip is longer, and the diameter is great, and adopts the linear type to distribute, perpendicular turning, at the in-process of moulding plastics, the inside more raw materials that can gather of runner, the loss is more when there is not four caves of mould one, mouth of a river material 10.2 grams, and the raw materials is extravagant serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an economize material mould in order to solve above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme have: the accumulation of raw materials in the flow channel can be reduced by adjusting the flow channel structure, so that the technical effects of reducing the waste of the raw materials and the like are achieved, and the details are described in the following.

In order to achieve the above purpose, the utility model provides a following technical scheme:

The utility model provides a material-saving die, which comprises an upper die and a lower die which form a die structure and are mutually attached, wherein four equidistant and parallel forming holes are arranged in the die structure, an upper die bottom plate is arranged on the upper die, a square iron is arranged on the lower die, a lower die bottom plate is arranged on the square iron, a die cavity is formed in the upper die and the lower die, and a runner for injecting materials into the die cavity is arranged in the upper die and the lower die;

The runner includes first runner, divides the second runner that is two discharge gates with first runner and connects the third runner of shaping cave mouth, first runner shaping is in the upper die and follow go up bottom die plate to lower mould distribution, and include two shunt tubes, two shunt tubes are the V font and arrange, and increase from last bottom die plate end to lower mould end opening.

Preferably, the two flow dividing pipes forming the first flow passage are symmetrically arranged, and the ends with larger inner diameters are connected with the middle part of the second flow passage.

Preferably, four third flow channels are arranged corresponding to the molding cavities, and the third flow channels are respectively connected with the ends of the second flow channels.

Preferably, a tapered injection part communicated with the molding cavity is molded on the third runner, the larger diameter end of the injection part is connected with the third runner, and the smaller end of the injection part is connected with the molding cavity.

To sum up, the utility model has the advantages that: the length of the runner is reduced by adjusting the entering mode of the runner of the mold and the structure of the runner and entering from the side, and the volume of the inner cavity of the runner is reduced by matching with a conical structure, so that the loss of the nozzle material after injection molding is finished is reduced, and the economic benefit is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic left side view of the structure of FIG. 1;

Fig. 3 is a schematic view of the structure of the present invention.

The reference numerals are explained below:

1. An upper die base plate; 2. an upper die; 3. a lower die; 4. square iron; 5. a lower die base plate; 6. a first flow passage; 7. a second flow passage; 8. and a third flow passage.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a material-saving mold, which comprises an upper mold 2 and a lower mold 3 which form a mold structure and are mutually attached, wherein four equidistant and parallel forming holes are arranged in the mold structure, an upper mold bottom plate 1 is arranged on the upper mold 2, a square iron 4 is arranged on the lower mold 3, a lower mold bottom plate 5 is arranged on the square iron 4, a mold cavity is formed in the upper mold 2 and the lower mold 3, and a runner for injecting materials into the mold cavity is arranged in the upper mold 2 and the lower mold 3;

The runner comprises a first runner 6, a second runner 7 for dividing the first runner 6 into two discharge ports and a third runner 8 for connecting forming holes, the first runner 6 is formed in an upper die 2 and extends to a lower die 3 along an upper die base plate 1, the first runner 6 is a conical tube, a small-mouth end is attached to the upper die base plate 1, a large-mouth end is attached to the lower die 3, two shunt tubes forming the first runner 6 are symmetrically arranged, the larger-diameter end of the first runner is connected with the middle part of the second runner 7, the diameter of the large-mouth end is equivalent to that of a runner in the existing die strip, the volume of the first runner 6 is reduced through the design of the conical tube, so that the residual material after the injection molding is finished is reduced, the waste of raw materials is reduced, the two shunt tubes are arranged in a V shape, the opening of the lower die from the end of the upper die base plate 1 to the end of the upper die base plate is increased, and three equidistant gaps are formed in the middle after, the ends of the two shunt tubes face to the upper part of the gap at the two ends respectively, and then injection molding raw materials are injected into the four molding cavities respectively by connecting the second flow passage 7 and the third flow passage 8.

As an alternative embodiment, four third flow channels 8 are arranged corresponding to the molding cavities, and the third flow channels 8 are respectively connected with the end parts of the second flow channels 7; the third runner 8 is formed with a conical material injection part communicated with the forming hole, the larger diameter end of the material injection part is connected with the third runner 8, the smaller end of the material injection part is connected with the forming hole, the conical material injection parts are formed at the two ends of the third runner 8, the residual raw materials in the third runner 8 after injection molding can be reduced, and the separation convenience of the forming materials in the forming hole and the residual materials in the third runner 8 is improved, so that the demolding of a formed product is facilitated.

The length of the runner is reduced by adjusting the entering mode of the runner of the mold and the structure of the runner and entering from the side, and the volume of the inner cavity of the runner is reduced by matching with a conical structure, so that the loss of the nozzle material after injection molding is finished is reduced, and the economic benefit is improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The material-saving die is characterized by comprising an upper die (2) and a lower die (3) which form a die structure and are tightly attached to each other, wherein four forming holes which are equidistant and arranged in parallel are formed in the die structure, an upper die bottom plate (1) is installed on the upper die (2), square iron (4) is installed on the lower die (3), a lower die bottom plate (5) is installed on the square iron (4), die cavities are formed in the upper die (2) and the lower die (3), and a runner for injecting materials into the die cavities is formed in the upper die (2) and the lower die (3);

The runner includes first runner (6), divides the second runner (7) that is two discharge gates and third runner (8) of connecting the shaping cave mouth with first runner (6), first runner (6) shaping is in go up mould (2) in and follow it distributes to lower mould (3) to go up bottom plate (1), and includes two shunt tubes, and two shunt tubes are the V font and arrange, and hold from last bottom plate (1) and hold the increase of end opening to lower mould (3).

2. The material saving die as claimed in claim 1, wherein: the two shunt tubes forming the first flow channel (6) are symmetrically arranged, and the end with the larger inner diameter is connected with the middle part of the second flow channel (7).

3. The material saving die as claimed in claim 1, wherein: the number of the third flow passages (8) is four corresponding to the forming holes, and the third flow passages (8) are respectively connected with the end parts of the second flow passages (7).

4. The material saving die as claimed in claim 1, wherein: the third runner (8) is formed with a conical material injection part communicated with the forming hole, the larger diameter end of the material injection part is connected with the third runner (8), and the smaller end is connected with the forming hole.