CN221559749U - Pouring cup - Google Patents

Abstract

The utility model relates to the technical field of sand casting, in particular to a pouring cup. A pouring cup, comprising: the body, the body is suitable for inserting in the sand mould external mold, be equipped with at least one rib on the peripheral wall of body, the rib is in order to prevent that the body from rocking wantonly in the sand mould external mold. The pouring cup solves the problems that in the casting process, molten metal is poured on the inclined edge of the funnel-shaped side wall of the pouring cup, and the impact force of the molten metal on the inclined edge in the casting process is concentrated in a certain area range, so that the pouring cup is not uniform in stress, and the pouring cup is inclined or swayed relative to the sand mold outer mold, so that the pouring cup is provided.

Description

Pouring cup

Technical Field

The utility model relates to the technical field of sand casting, in particular to a pouring cup.

Background

The sand casting pouring cup has the functions of expanding the top of the sprue, receiving molten metal from a casting ladle, preventing splashing and overflowing, facilitating casting, reducing direct impact of the molten metal on a sand mold, improving static pressure and most commonly being a funnel-shaped pouring cup.

The periphery wall of current pouring basin is annular, uses to place the pouring basin in the sand mould external mold, in casting in-process, can't pour the molten metal of pouring ladle directly in the sand mould, often need water the molten metal on the hypotenuse of funnel-shaped lateral wall, and the impact force of molten metal in the casting to the hypotenuse concentrates in certain regional within range, makes the atress of pouring basin uneven enough for the pouring basin appears crooking or rocking for the sand mould external mold, and then influences the quality of the casting after the shaping.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the defects that in the prior art, molten metal is poured on the inclined edge of the funnel-shaped side wall, and the impact force of the molten metal on the inclined edge in the pouring process is concentrated in a certain area range, so that the stress of the pouring cup is not uniform enough, and the pouring cup is inclined or swayed relative to the outer die of the sand mold, thereby providing the pouring cup.

In order to solve the above problems, the present utility model provides a pouring cup comprising:

The body is suitable for being inserted into the sand mold outer mold, and the peripheral wall of the body is provided with at least one rib which is used for preventing the body from shaking randomly in the sand mold outer mold;

The body is provided with a liquid inlet and a liquid outlet, and the diameter of the liquid inlet is larger than that of the liquid outlet;

The body comprises an inclined flow channel which is arranged in a conical shape and is provided with a liquid inlet;

the novel water heater further comprises a straight flow passage, the straight flow passage is connected with the inclined flow passage, the cross section of the straight flow passage is circular, and the straight flow passage is provided with a liquid outlet.

Optionally, the number of the ribs is four, and the four ribs are uniformly distributed on the peripheral wall of the body at equal angles.

Optionally, the inclined flow channel and the direct flow channel are arranged in a penetrating way.

Optionally, the inner wall of the direct current channel is arranged in a step shape.

Optionally, the diagonal flow and the straight flow are arranged with the central axis.

Optionally, the body is made of precoated sand.

The technical scheme of the utility model has the following advantages:

1. The pouring cup is characterized in that the pouring cup body is provided with a pouring gate hole, wherein the pouring gate hole is provided with a pouring gate hole, and the pouring gate hole is provided with a pouring gate hole. The body is equipped with liquid inlet and liquid outlet, and the diameter of liquid inlet is greater than the diameter of liquid outlet, and the big aspect of liquid inlet diameter receives the molten metal. The body comprises an inclined runner, the inclined runner is arranged in a conical shape, and a liquid inlet is formed in the inclined runner, so that molten metal flows along the inclined inner wall of the inclined runner slowly. The metal liquid injection molding machine further comprises a straight runner, wherein the straight runner is connected with the inclined runner, the cross section of the straight runner is circular, and a liquid outlet is formed in the straight runner, so that the metal liquid flowing in from the inclined runner reaches the straight runner and finally enters the sand mold for molding.

When the body is arranged in the sand mold outer die, because the ribs are different from the shape of the peripheral wall, when the body is impacted by molten metal in the casting process, the movement of the body in the sand mold outer die is limited due to the ribs, so that the body cannot move even if the body is subjected to larger impact force, the body is more firmly attached to the sand mold outer die due to the ribs, the stability in the casting process is ensured, and the casting quality of castings is improved.

2. According to the pouring cup provided by the utility model, the number of the ribs is four, and the four ribs are uniformly distributed on the peripheral wall of the body at equal angles so as to disperse the impact force of the molten metal received by the body, so that the body is uniformly stressed, and the stability of the position of the body is ensured.

3. According to the pouring cup provided by the utility model, the inclined flow channel and the direct flow channel are communicated, so that molten metal enters from the liquid inlet and flows out from the liquid outlet.

4. The pouring cup provided by the utility model has the advantages that the inner wall of the straight runner is in a step-shaped arrangement, and the step-shaped arrangement is convenient for the flow of molten metal so as to be connected with the straight pouring pipe below the liquid outlet, so that the pouring cup inserting port is just buckled on the straight pouring pipe.

5. According to the pouring cup provided by the utility model, the inclined runner and the straight runner are arranged with the central axis, so that molten metal can be converged into the straight runner no matter which direction the molten metal flows in.

6. According to the pouring cup provided by the utility model, the body is made of precoated sand, so that the overall quality of the body is reduced. The material of traditional pouring cup is argil (note that the ingredient is aluminium oxide), and this kind of traditional pouring cup, after the pouring is accomplished, the outside of pouring cup can wrap up one deck incomplete steel, is difficult to shake garrulous, retrieve incomplete steel in the sand removal. The pouring cup provided by the utility model is made of the precoated sand (the main component is silicon dioxide), the collapsibility of the precoated sand is good, only a small amount of residual steel remains on the surface of the pouring cup after pouring is finished, the separation of the residual steel and the pouring cup is easy to realize, the recovery of the residual steel during unpacking is facilitated, the pouring cup is easy to shake, the precoated sand can be recovered for recycling after the pouring cup is shake-broken, the cost is low, the labor intensity of staff is greatly reduced, and the production efficiency is improved.

Drawings

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

FIG. 1 is a top view of a tundish provided in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along the direction A-A shown in FIG. 1;

FIG. 3 is a schematic view of a tundish provided in an embodiment of the present utility model;

Fig. 4 is a schematic view of a pouring cup in a sand mold according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a body; 2. a liquid inlet; 3. inclined flow channel; 4. a straight flow passage; 5. a liquid outlet; 6. ribs; 7. a sand mold outer mold; 8. a direct casting pipe; 9. and (3) casting.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

One embodiment of a pouring cup as shown in fig. 1-4, comprises: the body 1, be equipped with four equiangular evenly distributed's rib 6 on the peripheral wall of body 1. Specifically, the body 1 is made of precoated sand.

As shown in fig. 1, 2 and 3, the main body 1 includes an inclined flow channel 3 and a direct flow channel 4 which are connected and arranged in a through manner, wherein the inclined flow channel 3 is provided with a liquid inlet 2, the direct flow channel 4 is provided with a liquid outlet 5, and the diameter of the liquid inlet 2 is larger than that of the liquid outlet 5, so that molten metal flowing in from the inclined flow channel 3 reaches the direct flow channel 4, and finally enters a sand mold for molding. Specifically, the diameter of the liquid inlet 2 is 150-300mm, preferably 200mm, the diameter of the liquid outlet 5 is 50-150mm, preferably 60mm, the overall height of the body 1 is 100-300mm, preferably 200mm, the height of the inclined flow channel 3 is 70-250mm, preferably 150mm, the height of the direct flow channel 4 is 30-50mm, preferably 40mm, the wall thickness of the inclined flow channel 3 is 5-30mm, preferably 15mm, and the wall thickness of the direct flow channel 4 is 10-30mm. It should be noted that the inclined flow channel 3 and the direct flow channel 4 are integrally formed, and the same rib 6 passes through the inclined flow channel 3 and the direct flow channel 4, that is, the rib 6 on the outer peripheral wall of the body 1 is provided on the outer peripheral wall of the inclined flow channel 3 and the outer peripheral wall of the direct flow channel 4. As shown in fig. 2, the inclined flow channel 3 is in a conical shape, the cross section of the straight flow channel 4 is in a circular shape, and the inclined flow channel 3 and the straight flow channel 4 are arranged with the same central axis. The diagonal flow 3 and the straight flow 4 are provided on the same central axis so that the molten metal flows into the straight flow 4 in either direction. As shown in fig. 2 and 4, the inner wall of the direct current channel 4 is arranged in a stepped manner, and it should be noted that the diameter of the inner wall near the inclined channel 3 is larger than the diameter of the inner wall far away from the inclined channel 3, so as to be connected with the direct casting pipe below the liquid outlet, so that the pouring cup inserting port is just buckled on the direct casting pipe 8.

In the concrete implementation process, the body 1 is inserted into the sand mold outer mold 7, the end face of the liquid inlet 2 is higher than the surface of the sand mold outer mold 7, and molten metal from a ladle is poured on the inclined inner wall of the inclined runner 3, so that the molten metal reaches the straight runner 4 along the inclined runner 3 until the forming is completed. In the whole process, due to the ribs 6, the outer peripheral wall of the body 1 is concave-convex, so that the body 1 cannot move along the circumferential direction and the axial direction due to the impact of molten metal, the body 1 is firmly attached to the sand mold outer mold 7, the stability in the casting process is ensured, and the casting quality of the casting 9 is improved.

As an alternative embodiment, the cross section of the through-flow channel 4 may also be oval, square or the like.

As an alternative embodiment, the diameter of the inner wall close to the diagonal flow 3 is smaller than the diameter of the inner wall facing away from the diagonal flow 3.

As an alternative embodiment, the number of ribs 6 may be 1, 2, 3, 5, etc. other numbers.

As an alternative embodiment, the ribs 6 may be provided according to the shape of the sand mold 7, or may be unevenly provided on the outer peripheral wall of the body 1.

As an alternative embodiment, the chute 3 and the through-flow passage 4 may also be arranged non-coaxially.

As an alternative embodiment, the inner wall of the through-flow channel 4 may also be straight cylindrical.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (6)

1. A pouring cup, comprising:

The body (1), the body (1) is suitable for inserting into the sand mould external mold (7), at least one rib (6) is arranged on the peripheral wall of the body (1), and the rib (6) is used for preventing the body (1) from shaking in the sand mould external mold (7);

The body (1) is provided with a liquid inlet (2) and a liquid outlet (5), and the diameter of the liquid inlet (2) is larger than that of the liquid outlet (5);

the body (1) comprises an inclined flow channel (3), the inclined flow channel (3) is arranged in a conical shape, and the inclined flow channel (3) is provided with a liquid inlet (2);

The novel water heater further comprises a straight flow passage (4), the straight flow passage (4) is connected with the inclined flow passage (3), the cross section of the straight flow passage (4) is circular, and the straight flow passage (4) is provided with a liquid outlet (5).

2. Pouring cup according to claim 1, characterized in that the number of ribs (6) is four, the four ribs (6) being equiangularly distributed evenly on the peripheral wall of the body (1).

3. Pouring cup according to claim 1, characterized in that the chute (3) and the sprue (4) are arranged through.

4. Pouring cup according to claim 1, characterized in that the inner wall of the through-flow channel (4) is arranged stepwise.

5. Pouring cup according to claim 1, characterized in that the chute (3) and the sprue (4) are arranged with the central axis.

6. Pouring cup according to claim 1, characterized in that the material of the body (1) is precoated sand.