CN212159457U

CN212159457U - Device for rapidly testing metal fluidity

Info

Publication number: CN212159457U
Application number: CN202020945369.0U
Authority: CN
Inventors: 魏源; 吴红林; 丁旭; 胡如忠; 马胜兰; 李月梅
Original assignee: Yunnan Chihong Resources Comprehensive Utilization Co ltd
Current assignee: Yunnan Chihong Resources Comprehensive Utilization Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-15
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a device of quick test metal mobility belongs to non ferrous metal processing equipment technical field. The device for rapidly testing the metal fluidity comprises an upper die and a lower die; the upper die is located above the lower die and used in a matched mode, a casting opening and an air outlet which are vertically communicated are formed in the upper die, a group of diagonal corners are provided with upper positioning holes which are vertically communicated, an Archimedes spiral line type groove is formed in the upper surface of the lower die, the center of the Archimedes spiral line type groove is located in the center of the lower die and corresponds to the casting opening, the tail portion of the Archimedes spiral line type groove corresponds to the air outlet, a lower positioning hole which is vertically communicated and corresponds to the upper positioning hole is formed in the lower die, and the upper positioning hole is connected with the lower positioning. The utility model discloses long service life can not take place the infiltration, and the metal is retrieved easily, can reduce intensity of labour by a wide margin, improves production efficiency, moreover, can not cause liquid metal's oxidation, breathe in, and measuring result is accurate.

Description

Device for rapidly testing metal fluidity

Technical Field

The utility model belongs to the technical field of non ferrous metal processing equipment, specific theory relates to a device of quick test metal mobility.

Background

Fluidity refers to the ability of a metal liquid to fill a mold, and when fluidity is tested, fluidity is expressed in terms of the length of flow at the time of metal casting, with longer lengths giving better fluidity. The existing method for determining metal fluidity mostly adopts a sand mold spiral mold, the mold can cause serious oxidation and air suction of liquid metal, a sample for determining the fluidity easily generates various defects such as air holes, impurities, sand sticking, shrinkage porosity and the like, a test result is inaccurate, in addition, the metal and the sand are mixed, the next recovery can be difficult, in addition, the potential safety hazard exists, the sand mold is disposable, the sand mold must be rebuilt after one-time test is completed, the casting speed is seriously influenced, the metal heat preservation time is longer, and the energy consumption is high.

Therefore, it is necessary to provide a device for rapidly testing the fluidity of metal, which has the advantages of accurate test result, high temperature resistance, difficult deformation, long service life, no permeation, easy metal recovery, fast cooling, fast casting speed, cost saving, safe operation and high production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the test result that exists among the background art inaccurate, can cause the difficulty to retrieving, have the potential safety hazard, influence casting speed, cause metal heat preservation time longer, the problem that the energy consumption is high, the utility model provides a device of quick test metal mobility, the device is high temperature resistant, is difficult to warp, and long service life can not take place to permeate, and the test result is accurate, and operation safety, production efficiency is high.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a device for rapidly testing the fluidity of metal, which comprises an upper die 1 and a lower die 2; the upper die 1 is located above the lower die 2 and used in a matched mode, the upper die 1 is provided with a casting gate 3 and an air outlet 4 which are vertically communicated, a group of diagonal corners are provided with upper positioning holes 5 which are vertically communicated, the upper surface of the lower die 2 is provided with an Archimedes spiral line type groove 6, the center of the Archimedes spiral line type groove 6 is located at the center of the lower die 2 and corresponds to the casting gate 3, the tail of the Archimedes spiral line type groove corresponds to the air outlet 4, the lower die 1 is provided with a lower positioning hole 7 which is vertically communicated and corresponds to the upper positioning hole 5, and the upper positioning hole 5 is connected with the lower positioning hole 7.

Preferably, the casting opening 3 is an inverted conical channel.

Preferably, the casting cup 8 matched with the casting opening 3 is arranged at the casting opening 3, the casting cup 8 is designed to be an inverted double-layer conical table wall, the size of the lower round table is matched with that of the casting opening 3, and the size of the upper round table is larger than that of the lower round table.

Preferably, the Archimedes spiral groove 6 is marked with scales.

Preferably, the upper die 1 is provided with upper handles 9 on both sides thereof, and the lower die 2 is provided with lower handles 10 on both sides thereof.

The utility model has the advantages that:

the utility model adopts the Q245R boiler steel plate, can resist certain high temperature, is not easy to deform, has long service life, can not permeate, is easy to recover metal, can continuously test for many times, improves the test efficiency, can save the cost, and has fast cooling and fast casting speed; the mold is internally provided with an Archimedes spiral line type groove marked with scales for carrying out fluidity test, the mold is simple and quick, the flow of a test material is not influenced, the occupied space position is small, but the metal flow length is enough, the manufacturing cost is low, the sand mold does not need to be repeatedly manufactured, the labor intensity can be greatly reduced, the production efficiency is improved, in addition, the oxidation and the air suction of liquid metal can not be caused, the defects of air holes, impurities, sand sticking, shrinkage porosity, shrinkage cavity and the like of a sample for measuring the fluidity can not be caused, and the measurement result is accurate.

Drawings

Fig. 1 is a schematic structural view of the lower mold of the present invention;

fig. 2 is a schematic structural view of the upper mold of the present invention.

In the figure, 1-an upper mould, 2-a lower mould, 3-a casting opening, 4-an air outlet, 5-an upper positioning hole, 6-an Archimedes spiral groove, 7-a lower positioning hole, 8-a casting cup, 9-an upper handle and 10-a lower handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-2, the apparatus for rapidly testing metal fluidity includes an upper mold 1 and a lower mold 2; go up the top cooperation that mould 1 is located bed die 2 and uses, go up mould 1 and bed die 2 material and choose for use Q245R boiler steel sheet, can be able to bear or endure certain high temperature, be difficult to warp, long service life, can not take place the infiltration, the metal is retrieved easily, can test in succession many times, improve efficiency of software testing, can practice thrift the cost, the cooling is fast, the casting speed is fast, and, can not cause the oxidation of liquid metal, breathe in, can not make the sample of survey mobility produce defects such as gas pocket, mix with, the sand stick, the shrinkage porosity, shrinkage cavity.

The upper die 1 is provided with a casting opening 3 and an air outlet 4 which are vertically communicated, the casting opening 3 is provided with an inverted conical channel, the casting opening 3 is provided with a casting cup 8 matched with the casting opening 3 for use, the casting cup 8 is designed into an inverted double-layer conical table wall, the size of a lower square table is matched with that of the casting opening 3, the size of an upper square table is larger than that of a lower square table, the length of the channel of the lower square table of the casting cup 8 is 50% -80% of that of the channel of the casting opening 2, so that the metal solution can more conveniently and quickly flow into an Archimedes spiral line type groove 6 to prevent the metal solution from spilling out, a group of diagonal corners of the upper die 1 are provided with vertically communicated upper positioning holes 5, the upper surface of the lower die 2 is provided with an Archimedes spiral line type groove 6, the center of the Archimedes spiral line type groove 6 is positioned at the center of the lower die 2 and corresponds to the casting opening, the metal melt flows along the Archimedes spiral line type groove 6, the tail part of the Archimedes spiral line type groove 6 corresponds to the gas outlet 4, exhaust is facilitated, scales are marked on the Archimedes spiral line type groove 6, the length of the metal melt can be accurately measured, and therefore the fluidity of the metal melt is obtained, and the metal melt is convenient and fast.

The lower die 1 is provided with a vertically through lower positioning hole 7 corresponding to the upper positioning hole 5, the upper positioning hole 5 is connected with the lower positioning hole 7 through a pin, the two sides of the upper die 1 are provided with upper handles 9, and the two sides of the lower die 2 are provided with lower handles 10, so that the lower die is convenient to take.

The utility model discloses a working process:

when the metal is completely melted and before the fluidity test is to be carried out, the lower die 2 is placed on a flat ground, the Archimedes spiral line type groove 6 faces upwards, the upper die 1 is placed on the lower die 2, the positioning pins are inserted into the upper positioning hole 5 and the lower positioning hole 7, the upper die 1 and the lower die 2 cannot move relatively, and the central point of the air outlet 4 is superposed with the central line of the tail part of the Archimedes spiral line type groove 6. The metal liquid is cast from the casting cup 8 by using the sample spoon, flows into the Archimedes spiral line type groove 6 along the casting opening 3, flows in the Archimedes spiral line type groove 6, and meanwhile, the gas outlet 4 exhausts gas, so that the influence on a test result caused by the fact that the gas cannot be exhausted by the metal liquid is avoided. And after the metal liquid is cooled, taking down the casting cup 8, taking out the positioning pin, moving away the upper die 1, reading the length of the metal according to the scale, taking out the metal from the Archimedes spiral groove 6 to finish a group of metal fluidity tests, and repeating the actions to perform the next group of fluidity tests.

The utility model adopts the Q245R boiler steel plate, can resist certain high temperature, is not easy to deform, has long service life, can not permeate, is easy to recover metal, can continuously test for many times, improves the test efficiency, can save the cost, and has fast cooling and fast casting speed; the inside archimedes spiral line type groove 6 that adopts the scale of mark of mould carries out the mobility test, and is simple quick, does not influence the flow of test material, and shared spatial position is little but has sufficient metal flow length, and manufacturing cost is lower, need not repeated preparation sand mould, can reduce intensity of labour by a wide margin, improves production efficiency, moreover, can not cause liquid metal's oxidation, breathe in, can not make the sample of survey mobility produce defects such as gas pocket, inclusion, clay sand, shrinkage porosity, shrinkage cavity, and the measuring result is accurate.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a device of quick test metal mobility which characterized in that: the device for rapidly testing the metal fluidity comprises an upper die (1) and a lower die (2); the upper die (1) is located above the lower die (2) and is matched with the lower die for use, a casting opening (3) and a gas outlet (4) which are vertically communicated are formed in the upper die (1), an upper positioning hole (5) which is vertically communicated is formed in a group of diagonal corners, an Archimedes spiral line type groove (6) is formed in the upper surface of the lower die (2), the center of the Archimedes spiral line type groove (6) is located at the center of the lower die (2) and corresponds to the casting opening (3), the tail portion of the Archimedes spiral line type groove corresponds to the gas outlet (4), a lower positioning hole (7) which is vertically communicated and corresponds to the upper positioning hole (5) is formed in the lower die (2), and the upper positioning hole (5) and the lower positioning hole.

2. The apparatus for rapidly testing the fluidity of metals according to claim 1, wherein: the casting opening (3) is arranged as an inverted conical channel.

3. The apparatus for rapidly testing the fluidity of metals according to claim 2, wherein: casting gate (3) department be equipped with rather than the casting cup (8) that cooperate the use, casting cup (8) design is the double-deck circular cone wall of inversion, the square platform size of below and casting gate (3) phase-match, the square platform size of top is greater than the square platform size of below.

4. The apparatus for rapidly testing fluidity of metals according to claim 1, 2 or 3, wherein: the Archimedes spiral groove (6) is marked with scales.

5. The apparatus for rapidly testing the fluidity of metals according to claim 4, wherein: the upper die is characterized in that upper handles (9) are arranged on two sides of the upper die (1), and lower handles (10) are arranged on two sides of the lower die (2).