CN201755884U

CN201755884U - Novel die for guide pin dust cover

Info

Publication number: CN201755884U
Application number: CN2010202342265U
Authority: CN
Inventors: 陈增宝; 韩双轮; 沈小伍
Original assignee: Anhui Ningguo Zhongding Mould Manufacture Co Ltd
Current assignee: Anhui Ningguo Zhongding Mould Manufacture Co Ltd
Priority date: 2010-06-23
Filing date: 2010-06-23
Publication date: 2011-03-09
Anticipated expiration: 2020-06-23

Abstract

A novel die for a guide pin dust cover includes a die core and a stand column which are arranged in the middle of the die, wherein the upper and the lower sides of the die core are stably matched with sectional die surfaces of an upper die plate and a lower die plate; the die core is symmetrically arranged on two sides of the stand column; the die core and the stand column are connected into an integral body without clearances; the edge of a die cavity of the die core adopts a smooth curve structure without positioning grooves. The die has the benefits as follows: since the die core positioning grooves are eliminated in the die cavity formed by the upper die plate and the lower die plate, the processing efficiency of a single die is improved by 30%, and the cost of cutters is reduced; and the die core is stably matched with the stand column and the processing of the die is carried out according to designed dimensions, the processing period of the die is short and the assembly of the die is simple and practicable.

Description

A kind of novel guide finger dust cover mould

Technical field

The utility model relates to a kind of mould, relates in particular to a kind of novel guide finger dust cover mould.

Background technology

General orientation pin dust cover elastomeric material is second third glue (EPDM), and second third material is tasteless nontoxic, meets international RoHS safety standard.Traditional structural design is that every core rod is located in die cavity fully, be the depanning convenience, need the multimode core is connected on the column, be prone to the location owing to the location is more and increased assembly difficulty on foot, core rod is positioned at can not be firm on the column, loosening phenomenon must be arranged, can make core rod and column can not become an organic whole like this; Also extra increase the Mould Machining amount, promptly need therefore can roll up the cost of charp tool when locating slot is usually less with the processing of pocket knife tool.In addition, when producing simultaneously, open mould after, core rod cooperates built on the sand with column, be difficult for once more matched moulds, influence production efficiency.

The utility model content

At above defective, the purpose of this utility model provides a kind of simple in structure, novel guide finger dust cover mould of improving working (machining) efficiency, can reducing cost, to solve many defectives of prior art.

For achieving the above object, the utility model is achieved through the following technical solutions:

A kind of novel guide finger dust cover mould, comprise the core rod and the column that are installed on the mould middle part, the involutory surface secure fit of core rod upper and lower both sides difference cope match-plate pattern and lower bolster, described core rod is symmetricly set in the column both sides, described core rod and column do not have clearance-type and connect to form an integral body, and the cavity side of described core rod is along the smoothed curve structure for nothing location slot type.

The beneficial effect of novel guide finger dust cover mould described in the utility model is: by minimizing core rod locating slot in cope match-plate pattern and the lower bolster die cavity, thereby make the working (machining) efficiency of single secondary mould rise 30%, reduce the cutter expense; Core rod cooperates firmly with column and only need process by design size, and the process-cycle is short, assembles simple.

Description of drawings

According to embodiment and accompanying drawing the utility model is described in further detail below.

Fig. 1 is the structural representation of the described novel guide finger dust cover mould of the utility model embodiment;

Fig. 2 is the partial structurtes schematic diagram of the guide finger dust cover mould of conventional art.

Among the figure:

1, core rod; 2, column; 3, crack; 4, cavity side edge.

The specific embodiment

Shown in Fig. 1-2, novel guide finger dust cover mould described in the utility model, comprise core rod 1 and column 2, core rod 1 is installed on the mould middle part, the involutory surface secure fit of its upper and lower both sides difference cope match-plate pattern and lower bolster, described core rod 1 is symmetricly set in column 2 both sides, and described core rod 1 is connected with column 2 no clearance-types and forms an organic whole and can not become flexible guaranteeing, between traditional moulds core rod 1 and the column 2 crack 3 is set and causes defective loosening or dislocation thereby improved; Compare with traditional moulds, the cavity side of described core rod 1 can improve working (machining) efficiency along the 4 smoothed curve structures for nothing location slot type, reduces the cutter expense.

Claims

1. novel guide finger dust cover mould, comprise the core rod and the column that are installed on the mould middle part, the involutory surface secure fit of core rod upper and lower both sides difference cope match-plate pattern and lower bolster, it is characterized in that: described core rod is symmetricly set in the column both sides, described core rod and column do not have clearance-type and connect to form an integral body, and the cavity side of described core rod is along the smoothed curve structure for nothing location slot type.