CN220311688U

CN220311688U - Novel guide arm support die

Info

Publication number: CN220311688U
Application number: CN202321795549.5U
Authority: CN
Inventors: 汪后利
Original assignee: Qianjiang Dongfang Automobile Technicals Clothing Ltd
Current assignee: Qianjiang Dongfang Automobile Technicals Clothing Ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-09
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to a novel guide arm support die, which comprises an upper die, a lower die and a sand core, wherein the upper die is provided with a guide arm upper die cavity, a riser, a water inlet and a riser seat, and the lower die is provided with a guide arm lower die cavity, a runner water inlet and a die core head; the lower die cavity of the guide arm is opposite to the upper die cavity of the guide arm, the water inlet of the pouring gate is communicated with the water inlet of the pouring gate and the lower die cavity of the guide arm, the die core head is opposite to the riser seat, a chill block is embedded in the sand core, the sand core is arranged between the upper die and the lower die, and one side end face of the chill block is attached to the end face of the upper die cavity of the guide arm. According to the novel guide arm support die, the cooling iron blocks can accelerate cooling at the positions and secondary pouring feeding of the heating riser, so that the problems that shrinkage porosity and shrinkage cavity are easy to occur in the guide arm are solved, the blank yield is greatly improved, and the mechanical properties of the guide arm are greatly improved.

Description

Novel guide arm support die

Technical Field

The utility model relates to the technical field of machining of a guide arm of a main suspension component, wherein a vehicle frame is connected with an axle, in particular to a novel guide arm bracket die.

Background

The guide arm support structure form that domestic present used is very many, and cast part of present guide arm support often appears part inside shrinkage cavity and shrinkage cavity problem because of the wall thickness is inhomogeneous, and its support characteristic.

Fig. 1 is a schematic front view of a guide arm support, and fig. 2 is a side view of a guide arm support, in which shrinkage porosity and shrinkage cavity locations are readily created as shown in the 11 and 22 positions.

Because of the shrinkage porosity and shrinkage cavity problems of the part blank, the cast finished product is difficult to meet the integral requirement of the part, the strength of the guide arm bracket is influenced, certain hidden danger exists, or the strength is insufficient due to the shrinkage porosity and shrinkage cavity in the part, the operation is inflexible, and the breakage fault is easy to cause in the running process of the vehicle.

Disclosure of Invention

The utility model provides a novel guide arm support die, which not only ensures that the problems of shrinkage porosity and shrinkage cavity in parts are solved, parts and the design of the parts are not changed, but also the strength of the parts is not affected, and meanwhile, the yield of the parts is improved.

According to one aspect of the utility model, a novel guide arm support die is provided, which comprises an upper die, a lower die and a sand core, wherein the upper die is provided with a guide arm upper die cavity, a riser, a water inlet and a riser seat, and the lower die is provided with a guide arm lower die cavity, a runner water inlet and a die core head; the mold comprises a guide arm, a runner, a riser seat, a sand core, a cold iron block, an upper mold and a lower mold, wherein the guide arm is arranged on the upper mold, the lower mold is arranged on the lower mold, the runner is communicated with the water inlet, the runner is arranged on the lower mold, the water inlet is communicated with the lower mold, the mold core is arranged on the riser seat, the cold iron block is embedded in the sand core, the sand core is arranged between the upper mold and the lower mold, and one side end face of the cold iron block is attached to the end face of the upper mold of the guide arm.

On the basis of the scheme, the sand core is preferably arranged between the riser seat of the upper die and the die core head of the lower die.

According to the novel guide arm support die, the cooling iron blocks can accelerate cooling at the positions and secondary pouring feeding of the heating riser, so that the problems that shrinkage porosity and shrinkage cavity are easy to occur in the guide arm are solved, the blank yield is greatly improved, and the mechanical properties of the guide arm are greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a schematic view of a guide arm bracket according to the present utility model;

FIG. 2 is a side view of the guide arm bracket of the present utility model;

FIG. 3 is a top view of the lower die of the present utility model;

FIG. 4 is a top view of the upper die of the present utility model;

FIG. 5 is a side view of a mold assembly of the present utility model;

reference numerals illustrate:

the upper die 10, the upper die cavity 12 of the guide arm, the riser 13, the water inlet 14, the riser seat 15, the lower die 20, the lower die cavity 21 of the guide arm, the water inlet 24 of the pouring gate, the die core 23, the sand core 30 and the chill block 31.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In the embodiment shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various components of the utility model are not absolute but relative. These descriptions are appropriate when the components are in the positions shown in the drawings. If the description of the location of these components changes, then the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

Referring to fig. 3, and referring to fig. 4 and 5, the novel guide arm support mold of the present utility model includes an upper mold 10, a lower mold 20 and a sand core 30, wherein the upper mold 10 is provided with a guide arm upper mold cavity 12, a riser 13, a water inlet 14 and a riser seat 15, and the lower mold 20 is provided with a guide arm lower mold cavity 21, a runner water inlet 24 and a mold core 23; the lower guide arm cavity 21 is opposite to the upper guide arm cavity 12, the water inlet 24 is communicated with the water inlet 14 and is communicated with the lower guide arm cavity 21, the head of the mold core 23 is opposite to the riser seat 15, a chill block 31 is embedded in the sand core 30, the sand core 30 is arranged between the upper mold 10 and the lower mold 20, one side end surface of the chill block 31 is attached to the end surface of the upper guide arm cavity 12, wherein the sand core 30 is positioned between the riser seat 15 of the upper mold 10 and the head of the mold core 23 of the lower mold 20, and the specific structure is shown in fig. 3 and 4.

Firstly, the sand core 30 is manufactured in a precoated sand core shooter, and the core manufacturing is to firstly manufacture the chill block 31 and the hot core box of a mould, and then the demolding chill block 31 is wrapped in the precoated sand core 30 of the sand core 30 after sand shooting is completed.

Then, the lower die 20 of the modeling guide arm support is demoulded and turned after sand filling and compaction are completed, the upper die 10 of the guide arm support is molded again, the exothermic riser 13 of the lower die is buckled on the riser seat 15 of the exothermic riser 13, the pouring gate column is placed on the pouring gate water inlet 24, the sand filling and compaction are completed, then the die is demoulded, and then the upper die 10 and the lower die 20 are matched after modeling. And finally, slowly injecting molten iron into the cavity from the pouring gate water inlet 24 to obtain a solid blank 40. The cooling iron accelerates the cooling at the position and the secondary pouring feeding of the heating riser 13, so that the problems that the guide arm is easy to generate shrinkage porosity and shrinkage cavity are solved, the blank yield is greatly improved, and the mechanical property of the guide arm is greatly improved.

According to the novel guide arm support die, the cooling iron block 31 can accelerate cooling at the position and secondary pouring feeding of the heating riser 13, so that the problems that shrinkage porosity and shrinkage cavity are easy to occur in the guide arm are solved, the blank yield is greatly improved, and the mechanical property of the guide arm is greatly improved.

Finally, the methods of the present application are only preferred embodiments and are not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The novel guide arm support die is characterized by comprising an upper die, a lower die and a sand core, wherein the upper die is provided with a guide arm upper die cavity, a riser, a water inlet and a riser seat, and the lower die is provided with a guide arm lower die cavity, a runner water inlet and a die core head; the mold comprises a guide arm, a runner, a riser seat, a sand core, a cold iron block, an upper mold and a lower mold, wherein the guide arm is arranged on the upper mold, the lower mold is arranged on the lower mold, the runner is communicated with the water inlet, the runner is arranged on the lower mold, the water inlet is communicated with the lower mold, the mold core is arranged on the riser seat, the cold iron block is embedded in the sand core, the sand core is arranged between the upper mold and the lower mold, and one side end face of the cold iron block is attached to the end face of the upper mold of the guide arm.

2. A novel guide arm support die as set forth in claim 1, wherein said sand core is located between a riser of said upper die and a die core head of said lower die.