Low-temperature alloy experimental sample casting mold
By designing the low-temperature alloy experimental sample casting mold, using the structure of the dispersion funnel and the casting ingot mold, the production of multiple samples at one time and impurity filtration is realized, which solves the problem of low production efficiency of experimental samples in the prior art, and improves the purity and experimental efficiency of the sample.
Patent Information
- Application Number
- CN202422296876.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The prior art is difficult to efficiently produce low-temperature alloy experimental samples, resulting in low efficiency in the experimental process.
A low-temperature alloy experimental sample casting mold is designed, including a dispersion funnel and a casting ingot mold. The filling of multiple columnar casting chambers is achieved through one casting, and impurities are filtered using the diversion groove and through-hole structure to improve sample purity and production efficiency.
The batch casting of experimental samples is achieved, which improves sample production efficiency, reduces the impact of impurities, and ensures the purity and consistency of samples.
Smart Images
Figure CN222919627U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of metal casting, and relates to a casting mold for low-temperature alloy experimental samples. Background Art
[0002] An alloy refers to a solid product with metallic properties obtained after a metal is mixed and melted with another or several other metals or non-metals and then cooled and solidified. With the development of technology, the types of alloys are increasing day by day, and the differences between different alloys are mainly manifested in their processing properties, mechanical properties, corrosion resistance, heat resistance, etc. The specific properties of alloys need to be obtained through experiments to evaluate the later use of alloys and apply the alloys in appropriate scenarios. To conduct experiments on alloys, experimental samples need to be made. For the convenience of comparison, usually multiple identical or less-different samples are required during the experiment. The production efficiency of experimental samples directly affects the efficiency of the entire experimental process. The higher the production efficiency of experimental samples, the shorter the duration of the entire experimental process, and thus the higher the efficiency of the entire experimental process.
[0003] Therefore, it is necessary to provide a casting mold for low-temperature alloy experimental samples to improve the production efficiency of low-temperature alloy experimental samples and thus improve the efficiency of the entire experimental process. Summary of the Utility Model
[0004] In order to overcome the problems in the background art, the utility model uses a casting mold for low-temperature alloy experimental samples to achieve batch casting of experimental samples. In one casting, the molten low-temperature alloy can flow into multiple columnar casting cavities to cool and form, directly obtaining multiple experimental samples with small differences, effectively improving the casting production efficiency of experimental samples.
[0005] To achieve the above object, the utility model is realized by the following technical solutions:
[0006] The mold includes a dispersion funnel 1 and a casting ingot mold 2. The top surface of the casting ingot mold 2 is an inclined surface, and the height of the top surface of the casting ingot mold 2 decreases from the center to the edge. A plurality of columnar casting cavities 3 are opened in the casting ingot mold 2. The openings of the columnar casting cavities 3 are located on the top surface of the casting ingot mold 2 and are uniformly arranged along the circumferential direction of the casting ingot mold 2. The axes of the columnar casting cavities 3 are vertical. The dispersion funnel 1 includes a cavity part 101 and a plug part 102. The bottom of the cavity part 101 is fixedly connected to the plug part 102. A first through hole 103 with the same number as the columnar casting cavities 3 is uniformly opened along the circumferential direction at the bottom of the side wall of the cavity part 101. A plug hole 4 for inserting the plug part 102 is opened at the center of the top surface of the casting ingot mold 2, and a diversion groove 5 is opened on the top surface of the casting ingot mold 2. After the plug part 102 is inserted into the plug hole 4, the diversion groove 5 connects the first through hole 103 with the openings of the columnar casting cavities 3.
[0007] Preferably, a boss 105 is provided on the inner bottom surface of the cavity portion 101. The side wall of the boss 105 is an inclined surface, and the height of the side wall of the boss 105 decreases from the center to the edge direction. The center of the boss 105 coincides with the axis of the cavity portion 101.
[0008] Preferably, the acute angle formed by the top surface of the casting ingot mold 2 and the horizontal plane is 20 to 30°. The inclination angle of the side wall of the boss 105 is the same as the inclination angle of the casting ingot mold 2, and the highest point of the top surface of the casting ingot mold 2 and the height of the edge of the boss 105 are on the same horizontal plane.
[0009] Preferably, a central columnar casting cavity 6 is provided at the center of the casting ingot mold 2. The axis of the central columnar casting cavity 6 is vertical, and a second through hole 104 is provided at the center of the bottom of the cavity portion 101.
[0010] Preferably, the diameters of the columnar casting cavity 3 and the central columnar casting cavity 6 decrease from the opening to the bottom direction.
[0011] Preferably, the acute angle formed by the side walls of the columnar casting cavity 3 and the central columnar casting cavity 6 and the vertical direction is 2 to 3°.
[0012] Advantages of the present utility model:
[0013] 1. Through one-time casting, the present utility model can divert the molten low-temperature alloy into multiple columnar casting cavities, thereby realizing batch casting of experimental samples, improving the production efficiency of experimental samples, and helping to improve the overall experimental efficiency.
[0014] 2. By providing the first through hole, the molten low-temperature alloy flows into the diversion groove through the first through hole, which plays a certain filtering role for some oxides and other impurities suspended on the surface of the molten low-temperature alloy, reduces the amount of impurities flowing into the columnar casting cavity, improves the purity of the experimental sample, and reduces the influence of impurities on the experimental results.
[0015] 3. By setting the columnar casting cavity and the central columnar casting cavity in an upper-thick-lower-thin structure, it is convenient for the molten low-temperature alloy to be demolded after cooling in the casting cavity. Description of the drawings
[0016] Figure 1 is a front view sectional structure schematic diagram of the present utility model;
[0017] Figure 2 is a top view structure schematic diagram of the present utility model;
[0018] Figure 3 is a front view structure schematic diagram of the dispersion funnel of the present utility model;
[0019] Figure 4This is a schematic cross-sectional structure diagram of the dispersion funnel of the present utility model.
[0020] In the figure, 1 is the dispersion funnel, 101 is the cavity part, 102 is the plug part, 103 is the first through hole, 104 is the second through hole, 105 is the boss, 2 is the casting ingot mold, 3 is the columnar casting cavity, 4 is the plug hole, 5 is the diversion groove, and 6 is the central columnar casting cavity. Specific embodiments
[0021] The present utility model will be further described in detail below with reference to specific embodiments.
[0022] As Figures 1-4 shown, the mold includes a dispersion funnel 1 and a casting ingot mold 2. The top surface of the casting ingot mold 2 is an inclined surface, and the height of the top surface of the casting ingot mold 2 decreases from the center to the edge. A plurality of columnar casting cavities 3 are formed in the casting ingot mold 2. The openings of the columnar casting cavities 3 are located on the top surface of the casting ingot mold 2 and are evenly arranged along the circumferential direction of the casting ingot mold 2. The axes of the columnar casting cavities 3 are vertical. The dispersion funnel 1 includes a cavity part 101 and a plug part 102. The bottom of the cavity part 101 is fixedly connected to the plug part 102. A plurality of first through holes 103 equal in number to the columnar casting cavities 3 are evenly formed in the bottom of the side wall of the cavity part 101 along the circumferential direction. A plug hole 4 for inserting the plug part 102 is formed at the center of the top surface of the casting ingot mold 2, and a diversion groove 5 is formed on the top surface of the casting ingot mold 2. After the plug part 102 is inserted into the plug hole 4, the diversion groove 5 connects the first through holes 103 with the openings of the columnar casting cavities 3.
[0023] When making experimental samples, first insert the plug part 102 into the plug hole 4, then pour the molten low-temperature alloy into the cavity part 101. After that, the molten low-temperature alloy in the cavity part 101 will flow out of the cavity part 101 through the first through holes 103 and into the diversion groove 5. Since the top surface of the casting ingot mold 2 is an inclined surface, the molten low-temperature alloy will flow to the place with a lower height, so that the molten low-temperature alloy flows into the columnar casting cavities 3 through the diversion groove 5. Add molten low-temperature alloy to the cavity part 101 until all the columnar casting cavities 3 are filled with molten low-temperature alloy. After waiting for the molten low-temperature alloy in the columnar casting cavities 3 to cool and solidify to form castings, turn the casting ingot mold 2 by 180° and pour out the castings, then a plurality of experimental samples can be obtained. During the production process, before casting, apply a release agent to the inner wall of the columnar casting cavity 3 to prevent the castings from adhering to the columnar casting cavity 3 and being unable to pour out the castings. When the side wall of the cavity part 101 is relatively thick (as Figure 4 shown), in order to allow the molten low-temperature alloy to flow smoothly through the first through holes 103, the first through holes 103 can be set as an axially inclined structure. According to the flow direction of the molten low-temperature alloy in the first through holes 103, the axes of the first through holes 103 change from high to low.
[0024] The molten low-temperature alloy has good fluidity even at relatively low temperatures, and its fluidity is close to that of water. Therefore, after adding the molten low-temperature alloy into the cavity portion 101, since the first through-holes 103 are evenly arranged circumferentially along the side wall of the cavity portion, the probability of the molten low-temperature alloy flowing out of the cavity portion 101 through each first through-hole 103 is the same, and the flow rate is the same. Also, because the diversion grooves 5 are formed on the top surface of the casting ingot mold 2, and the inclination degrees of all parts of the top surface of the casting ingot mold 2 are the same, the inclination degrees of all the diversion grooves 5 are also the same. The molten low-temperature alloy with the same state has basically the same flow rate in the diversion grooves 5 with the same inclination degree. Therefore, the amount of the molten low-temperature alloy entering the columnar casting cavity 3 within the same time is basically the same. Thus, the parameters such as the sizes of all the columnar casting cavities 3 are the same. Then, when the time for adding the molten low-temperature alloy is the same, the sizes of the castings are basically the same. The molten low-temperature alloy is uniformly added into the cavity portion 101. Therefore, it can better ensure that the differences among the castings obtained by cooling and solidifying in each columnar casting cavity 3 are small or there are no differences. The molten low-temperature alloy needs to enter the diversion grooves 5 through the first through-holes 103. After the molten low-temperature alloy is poured into the dispersion funnel 1, an oxide film will form on its liquid surface. Since the oxide film and some impurities are lighter in weight, they will float on the liquid surface. The oxide film will wrap the impurities. And the first through-holes 103 are formed at the bottom of the cavity portion 101, so the molten low-temperature alloy will flow out of the first through-holes 103 from the bottom. As the casting progresses, the liquid surface of the molten low-temperature alloy will drop, and the oxide film and impurities on the liquid surface will finally drop to the position of the first through-holes 103. At this time, since the impurities are wrapped by the oxide film, they will drop to the bottom of the dispersion funnel 1 together with the oxide film, rather than flowing into the diversion grooves 5 through the first through-holes 103, which can reduce the impurities in the molten alloy flowing into the columnar casting cavity 3 and improve the purity of the castings.
[0025] Since the molten low-temperature alloy is determined, the density of the low-temperature alloy can be determined. And the specific size of the required experimental sample has been determined during the experimental design. After the specific size of the experimental sample is determined, the volume of the experimental sample can be calculated. Then, through the volume and the density of the low-temperature alloy, the mass of the low-temperature alloy required for casting the experimental sample can be calculated. Therefore, the low-temperature alloy with the required mass can be pre-weighed for casting.
[0026] A boss 105 is arranged on the inner bottom surface of the cavity portion 101. The side wall of the boss 105 is an inclined surface, and the height of the side wall of the boss 105 decreases from the center to the edge direction. The center of the boss 105 coincides with the axis of the cavity portion 101.
[0027] When adding molten low-temperature alloy into the cavity portion 101, the molten low-temperature alloy has good fluidity, so it will flow along the inclined surface of the boss 105 towards the place with a lower height. The edge position of the boss 105 is close to the first through hole 103. Therefore, after adding the molten low-temperature alloy into the cavity portion 101, the molten low-temperature alloy will quickly flow along the inclined surface of the boss 105 towards the first through hole 103 and flow out of the cavity portion 101 through the first through hole 103, which is beneficial to accelerating the feeding speed.
[0028] The acute angle formed by the top surface of the casting ingot mold 2 and the horizontal plane is 20 - 30°. The inclination angle of the side wall of the boss 105 is the same as the inclination angle of the casting ingot mold 2, and the highest point of the top surface of the casting ingot mold 2 and the height of the edge of the boss 105 are on the same horizontal plane.
[0029] A central columnar casting cavity 6 is opened at the center of the casting ingot mold 2. The axis of the central columnar casting cavity 6 is vertical, and a second through hole 104 is opened at the center of the bottom of the cavity portion 101.
[0030] After the molten low-temperature alloy is added into the cavity portion 101, it first flows into the central columnar casting cavity 6 through the second through hole 104. When the central columnar casting cavity 6 is filled with the molten low-temperature alloy and more molten low-temperature alloy is continuously added, the molten low-temperature alloy will enter the diversion groove 5 through the first through hole 103. Thus, after the molten low-temperature alloy in the central columnar casting cavity 6 cools and solidifies, experimental samples can also be obtained. When the size of the central columnar casting cavity 6 is the same as that of the columnar casting cavity 3, the length of the experimental sample in the central columnar casting cavity 6 will be larger than that of the experimental sample in the columnar casting cavity 3. Cut the experimental sample in the central columnar casting cavity 6 and remove the excess length part. Before casting, a release agent also needs to be applied on the side wall of the second through hole 104 to prevent the molten low-temperature alloy from adhering to the second through hole 104 after solidifying into a casting. Before pouring out the casting, the dispersion funnel 1 needs to be pulled out first to eliminate the blockage formed by the plug portion 102 at the outlet of the central columnar casting cavity 6. Since an oxide film will be formed on the liquid surface during the casting of the low-temperature alloy, therefore, a continuous casting method is preferably adopted, and an oxide film can be formed only on the liquid surface after all the molten low-temperature alloy is added. Finally, the oxide film will be located at the top of the experimental sample in the central columnar casting cavity 6, and the part containing the oxide film can be removed by cutting the experimental sample.
[0031] The diameters of the columnar casting cavity 3 and the central columnar casting cavity 6 decrease from the opening towards the bottom.
[0032] Since the casting needs to be poured out from the openings of the columnar casting cavity 3 and the central columnar casting cavity 6, the above structure is more conducive to pouring out and demolding the casting after it is formed.
[0033] The side walls of the columnar casting cavity 3 and the central columnar casting cavity 6 form an acute angle of 2 to 3° with the vertical direction.
[0034] The working process of the present utility model: When it is necessary to cast and manufacture an experimental sample, first insert the plug part of the dispersion funnel into the plug hole, and then pour the molten low-temperature alloy into the cavity part. The molten low-temperature alloy first enters the central columnar casting cavity through the second through hole. After the central columnar casting cavity is filled with the molten low-temperature alloy, continue to pour the molten low-temperature alloy into the cavity part. The molten low-temperature alloy flows into the diversion groove through the first through hole, and then is introduced into the columnar casting cavity by the diversion groove. After the columnar casting cavity is filled with the molten low-temperature alloy, stop adding the molten alloy, or when the mass of the low-temperature alloy is pre-calculated, just add the molten low-temperature alloy completely. The mold is left stationary. After the molten low-temperature alloy cools and solidifies to form a casting, remove the dispersion funnel, and at the same time turn over the casting ingot mold to pour out the casting, thus completing the casting and forming work of the experimental sample.
[0035] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present utility model and not to limit. Although the present utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present utility model.
Claims
1. A casting mold for low temperature alloy experimental samples, characterized in that: The mold comprises a dispersion funnel (1) and a casting ingot mold (2); the top surface of the casting ingot mold (2) is an inclined surface, the top surface of the casting ingot mold (2) decreases in height from the center to the edge; a plurality of columnar casting cavities (3) are provided in the casting ingot mold (2); the openings of the columnar casting cavities (3) are located on the top surface of the casting ingot mold (2) and the openings of the columnar casting cavities (3) are evenly arranged along the circumference of the casting ingot mold (2); the axis of the columnar casting cavities (3) is vertical; the dispersion funnel (1) comprises a cavity portion (101) and a plug portion (102); The bottom of the cavity portion (101) is fixedly connected to the plug portion (102); the bottom of the side wall of the cavity portion (101) is uniformly provided with first through holes (103) in a circumferential direction, the number of which is equal to the number of the columnar casting cavity (3); a plug hole (4) for the plug portion (102) to be plugged in is provided at the center of the top surface of the casting ingot mold (2); and a guide groove (5) is provided on the top surface of the casting ingot mold (2); after the plug portion (102) is plugged into the plug hole (4), the guide groove (5) connects the first through hole (103) with the opening of the columnar casting cavity (3).
2. The low temperature alloy experimental sample casting mold according to claim 1, characterized in that: A boss (105) is arranged on the inner bottom surface of the cavity portion (101); the side wall of the boss (105) is an inclined surface; the height of the side wall of the boss (105) decreases from the center to the edge; the center of the boss (105) coincides with the axis of the cavity portion (101).
3. A low temperature alloy experimental sample casting mold according to claim 2, characterized in that: The acute angle formed by the top surface of the casting ingot mold (2) and the horizontal plane is 20 to 30 degrees, the inclination angle of the side wall of the boss (105) is the same as the inclination angle of the casting ingot mold (2), and the highest point of the top surface of the casting ingot mold (2) and the height of the edge of the boss (105) are located on the same horizontal plane.
4. The low temperature alloy experimental sample casting mold according to claim 1, characterized in that: A central columnar casting cavity (6) is provided at the center of the casting ingot mold (2), the axis of the central columnar casting cavity (6) is vertical, and a second through hole (104) is provided at the center of the bottom of the cavity portion (101).
5. The low temperature alloy experimental sample casting mold according to claim 4, characterized in that: The columnar casting cavity (3) and the central columnar casting cavity (6) have diameters that decrease from the opening toward the bottom.
6. The low temperature alloy experimental sample casting mold according to claim 5, characterized in that: The side walls of the columnar casting cavity (3) and the central columnar casting cavity (6) form an acute angle of 2 to 3 degrees with the vertical direction.