CN203426370U

CN203426370U - Device of preventing cerate from reversely flowing

Info

Publication number: CN203426370U
Application number: CN201320546996.7U
Authority: CN
Inventors: 王冬
Original assignee: NANJING UNITED LASHING CASTING CO Ltd
Current assignee: Nanjing Younaite Precision Machinery Manufacturing Co ltd
Priority date: 2013-09-04
Filing date: 2013-09-04
Publication date: 2014-02-12
Anticipated expiration: 2023-09-04

Abstract

The utility model discloses a device of preventing cerate from reversely flowing. The device comprises a device body (1), wherein the device body (1) is provided with a cerate injecting channel (2), a baffle (3) is arranged at the opening of the cerate injecting channel (2), and one end of the baffle (3) is connected with the inner wall at the opening of the cerate injecting channel (2) through a torsional spring (4). The device disclosed by the utility model has the beneficial effects of preventing cerate from splashing everywhere, preventing generation of residual cerate which is not easy to treat, ensuring the satiation and formation of a wax mould, not only lowering the cost, but also improving the production efficiency.

Description

A kind of device that prevents that slack wax from flowing backwards

Technical field

The utility model relates to a kind of device that prevents that slack wax from flowing backwards.

Background technology

Adopting dewax (fusible pattern) casting technique is a kind of technology that a lot of castings or mechanical enterprise extensively adopt.This technique need to opened manufacture die in early stage, then slack wax is injected into and in mould, forms wax-pattern.After completing casting (slack wax injection), withdraw the rifle mouth of casting rifle in wax injection device, now, stress and paste character due to wax in mould, can cause slack wax flow backwards or even fall an ejection part from casting mouth, both be unfavorable for health, be unfavorable for again the recovery of residual wax, and also can cause the situation that wax-pattern misrun is not filled with to occur.This has just improved the cost that cleans and reclaim residual wax, has reduced the success rate of shaping investment pattern.

Summary of the invention

The purpose of this utility model is to provide a kind of device that prevents slack wax refluence mould, is intended to solve casting and finishes the problem that slack wax flows backwards afterwards.

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

Prevent the device that slack wax flows backwards, comprise device body, have casting passage on described device body, place, described casting passway is provided with a baffle plate, and one end of described baffle plate is connected by torsion spring with the inwall of described casting passway.

When casting, baffle plate rotates a certain angle under the pressure of casting rifle mouth, keeps the unimpeded of casting passage.When completing casting, when casting rifle mouth withdraws, baffle plate is returned to reset condition under the effect of torsion spring elastic force, stop slack wax to flow backwards, thereby can prevent that slack wax from splashing everywhere, can not produce not tractable residual wax, guaranteed the full moulding of wax-pattern, can not only reduce costs, and can enhance productivity.

In sum, the beneficial effects of the utility model are: prevent that slack wax from splashing everywhere, can not produce not tractable residual wax, guaranteed the full moulding of wax-pattern, both reduced cost, improved again the efficiency of producing.

Accompanying drawing explanation

Fig. 1 is the schematic diagram in the utility model casting process.

Fig. 2 is the schematic diagram of the utility model while completing casting.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.

As depicted in figs. 1 and 2, locate to install a baffle plate 3 seal casting passage 2 in 2 mouthfuls, the casting passage of device body 1, one end of baffle plate 3 is connected by torsion spring 4 with the inwall of casting passage 2.

When casting, baffle plate 3 rotates a certain angle under the pressure of casting rifle mouth 5, and casting passage 2 is unimpeded, and now, casting rifle mouth 5 starts casting; When completing casting, when casting rifle mouth 5 withdraws, due to the elastic force effect of torsion spring 4, baffle plate 3 is got back to again reset condition and is blocked casting passway, stops the refluence of slack wax.Because the slack wax injecting has certain impulsive force to baffle plate 3, therefore, during design, should guarantee that the elastic force of torsion spring 4 is greater than the impulsive force of slack wax to baffle plate 3, in order to avoid casting completes casting rifle mouth 5 while withdrawing, slack wax flows out.

Claims

1. a device that prevents that slack wax from flowing backwards, comprise device body (1), on described device body (1), have casting passage (2), it is characterized in that, described casting passage (2) mouthful place is provided with a baffle plate (3), and one end of described baffle plate (3) is connected by torsion spring (4) with the inwall of described casting passage (2) mouth.