CN219665053U

CN219665053U - Gravity casting pouring basin

Info

Publication number: CN219665053U
Application number: CN202320320465.XU
Authority: CN
Inventors: 李枝林
Original assignee: Guangdong Hongxing Precision Technology Co ltd
Current assignee: Guangdong Hongxing Precision Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-09-12
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a gravity casting pouring basin, which comprises a main body pouring basin and an extension pouring basin, wherein the main body pouring basin comprises a first bottom wall and a first side wall which extends upwards along the edge of the first bottom wall, a first opening is formed in one side of the first side wall, which is close to a die, a raised diversion island is arranged at the position, which is close to the first opening, of the first bottom wall, the diversion island separates the first opening to form a first inlet gate and a second inlet gate, the first inlet gate and the second inlet gate are both communicated with the inlet of the die, the extension pouring basin is used for receiving metal liquid poured by a soup feeding manipulator, the extension pouring basin comprises a second bottom wall and a second side wall which extends upwards along the edge of the second bottom wall, the second bottom wall is of a long structure, and one end of the extension pouring basin in the length direction is communicated with one side, which is far away from the die, of the main body pouring basin. The soup feeding robot can solve the problem of limitation of the adjustment range of the existing soup feeding robot.

Description

Gravity casting pouring basin

Technical Field

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

Background

The pouring plate is used as one of important parts in the casting process, and is generally matched with a casting mold, and molten metal flows into a mold cavity through the pouring plate during casting to realize casting molding.

In order to improve production efficiency, reduce labor intensity and prevent safety accidents, an automatic soup feeding robot is generally adopted to take out molten metal from a holding furnace and pour the molten metal into a pouring basin.

However, when the production of moulds of different sizes is switched, the length of the automatic feeding robot of the existing casting machine group is difficult to adjust the length and the program of the robot in the feeding process due to the limitation of the length of the feeding robot, so that the feeding robot is difficult to accurately pour molten metal into the pouring basin.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a gravity casting pouring basin, which can overcome the problem of limitation of the adjustment range of the existing soup feeding robot.

According to an embodiment of the utility model, a gravity casting tundish includes: the main body pouring tray is arranged at a feed port of the die and comprises a first bottom wall and a first side wall extending upwards along the edge of the first bottom wall, a first opening is formed in one side, close to the die, of the first side wall, a raised flow dividing island is arranged in the position, close to the first opening, of the first bottom wall, the flow dividing island separates the first opening to form a first inlet gate and a second inlet gate, and the first inlet gate and the second inlet gate are communicated with the feed port of the die; the extension runner plate is used for receiving molten metal poured into the soup feeding manipulator, is arranged on one side, far away from the die, of the main body runner plate and comprises a second bottom wall and a second side wall extending upwards along the edge of the second bottom wall, the second bottom wall is of a long structure, a second opening is formed in one end of the second side wall in the length direction of the second bottom wall, and the second opening is communicated with the main body runner plate.

According to the gravity casting pouring basin provided by the embodiment of the utility model, the gravity casting pouring basin has at least the following beneficial effects:

1. according to the utility model, the length of the extension pouring basin can be set according to the moulds with different sizes by arranging the extension pouring basin, so that the soup feeding manipulator can accurately pour molten metal into the extension pouring basin within a limited operation range, and the problem of limitation of the adjustment range of the existing soup feeding manipulator is solved.

2. According to the utility model, the main body pouring disk is arranged, the molten metal flows into the main body pouring disk from the main body pouring disk after being poured into the main body pouring disk, the molten metal in the main body pouring disk is led to the first pouring inlet and the second pouring inlet by the diversion island, and then flows into the cavity of the die from the feeding hole of the die to realize pouring molding, and the diversion island can change the flowing direction and the flowing speed of the molten metal in the main body pouring disk, so that the molten metal can quickly flow into each position of the cavity of the die, and the molding quality of castings is improved.

According to some embodiments of the utility model, the width of the second bottom wall is smaller than the width of the first bottom wall.

The beneficial effects are that: through making the width of second diapire be less than the width of first diapire, can reduce the metal liquid and flow through the area that overflows of extending the runner plate to, can avoid the metal liquid temperature to run off soon, the oxide increases scheduling problem, be favorable to the casting shaping of metal liquid in the die cavity.

According to some embodiments of the utility model, the second bottom wall is arranged in a step shape with the first bottom wall, the second bottom wall is higher than the first bottom wall, and the second bottom wall is smoothly connected with the first side wall.

The beneficial effects are that: by arranging the second bottom wall and the first bottom wall in a stepped manner, molten metal poured into the extended tundish can rapidly flow into the main body tundish, thereby preventing the molten metal from flowing backwards.

According to some embodiments of the utility model, the second bottom wall is arranged obliquely, and the second opening is located at a lower side of the second bottom wall.

The beneficial effects are that: by having the second bottom wall arranged obliquely, molten metal can flow into the body tundish quickly after entering the extension tundish, thereby preventing molten metal from accumulating in the extension tundish.

According to some embodiments of the utility model, the first bottom wall is inclined, and the first inlet and the second inlet are located at a lower side of the first bottom wall.

The beneficial effects are that: by having the first bottom wall arranged obliquely, molten metal can be rapidly split into the first inlet and the second inlet after entering the body tundish, thereby preventing molten metal from accumulating in the body tundish.

According to some embodiments of the utility model, a circular arc transition surface is arranged between the side of the first bottom wall, which is close to the extended tundish, and the first side wall.

The beneficial effects are that: through being provided with the circular arc transition face, prevent that the molten metal from flowing into main part tundish from extending the tundish in-process increase turbulence degree and the entrainment gas to guarantee the stability of molten metal pouring, guarantee the shaping quality of foundry goods.

According to some embodiments of the utility model, the width of the flow dividing island is gradually increased along the flowing direction of the molten metal.

The beneficial effects are that: the width of the flow dividing island gradually becomes larger along the flowing direction of the molten metal, so that the cross sectional area of the molten metal from the main body pouring disk to the first pouring inlet and the second pouring inlet is gradually reduced, thereby realizing the regulation and control of the flowing speed and the filling pressure of the molten metal and ensuring the gradual forming quality.

According to some embodiments of the utility model, the flow dividing island is provided with an arc-shaped convex surface along one side of the flow dividing island opposite to the flow direction of the molten metal.

The beneficial effects are that: through setting up the arc convex surface, can steadily shunt when making the molten metal flow through the reposition of redundant personnel island, avoid abrupt shrink or expansion to, prevent that the collision of molten metal and reposition of redundant personnel island or first lateral wall from causing pressure loss.

According to some embodiments of the utility model, the first and second inlets are symmetrically distributed with respect to the split island.

The beneficial effects are that: through making first runner and second runner for the reposition of redundant personnel island for the cross section of first runner and second runner is unanimous, makes the die cavity that the molten metal that gets into from first runner and second runner can reach the mould simultaneously, thereby reduces the molten metal and reaches the temperature deviation between each position of die cavity, improves the structural property of foundry goods.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic illustration of a gravity casting tundish according to an embodiment of the present utility model;

fig. 2 is a schematic view of the structure of a gravity casting tundish shown in fig. 1.

Reference numerals: 100-main body pouring tray, 110-first bottom wall, 120-first side wall, 130-diversion island, 140-first inlet, 150-second inlet, 160-extension pouring tray, 170-second bottom wall, 180-second side wall, 190-arc transition surface and 200-arc convex surface.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

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.

A gravity casting tundish according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a gravity casting tundish including a body tundish 100 and an extension tundish 160 according to an embodiment of the present utility model.

Wherein, main part tundish 100 sets up the feed inlet department at the mould, including first diapire 110, along the first lateral wall 120 of first diapire 110 edge upward extension, first lateral wall 120 is close to mould one side and is provided with first opening, and first diapire 110 is close to first opening part and is provided with bellied reposition of redundant personnel island 130, and reposition of redundant personnel island 130 separates first opening and forms first runner 140 and second runner 150, and first runner and second runner 150 all communicate with the feed inlet of mould.

The extending tundish 160 is arranged on one side of the main body tundish 100 away from the mold and is used for receiving molten metal poured by a soup feeding manipulator, and comprises a second bottom wall 170 and a second side wall 180 extending upwards along the edge of the second bottom wall 170, wherein the second bottom wall 170 is of an elongated structure, one end of the second side wall 180 along the length direction of the second bottom wall 170 is provided with a second opening, and the second opening is communicated with the main body tundish 100.

It should be noted that the length of the extension tundish 160 may be set according to different sizes of molds, so that the soup feeding robot may accurately pour molten metal into the extension tundish 160 within a limited operation range, thereby overcoming the limitation of the adjustment range of the existing soup feeding robot.

In operation, the soup feeding robot pours molten metal into the extension pouring tray 160, then the molten metal flows into the main body pouring tray 100 from the extension pouring tray 160, the molten metal in the main body pouring tray 100 is drained to the first inlet 140 and the second inlet 150 through the diversion islands 130, and then the molten metal flows into the cavity of the die from the feed port of the die to realize pouring molding, so that the molten metal can quickly flow into each position of the cavity of the die, and the molding quality of castings is improved.

In some preferred embodiments, the width of the second bottom wall 170 is less than the width of the first bottom wall 110.

It can be appreciated that by making the width of the second bottom wall 170 smaller than that of the first bottom wall 110, the flow area of the molten metal flowing through the extended tundish 160 can be reduced, so that the problems of rapid temperature loss, increased oxide and the like of the molten metal can be avoided, and the casting molding of the molten metal in the cavity is facilitated.

In some preferred embodiments, the second bottom wall 170 is arranged in a step-like manner with the first bottom wall 110, the second bottom wall 170 being higher than the first bottom wall 110, the second bottom wall 170 being in smooth engagement with the first side wall 120.

It will be appreciated that by having the second bottom wall 170 arranged in a stepped manner with the first bottom wall 110, molten metal poured into the extension tundish 160 can be swiftly flowed into the main body tundish 100, thereby preventing backflow of molten metal.

In some preferred embodiments, the second bottom wall 170 is disposed at an incline, with the second opening being located on a lower side of the second bottom wall 170.

It will be appreciated that by having the second bottom wall 170 disposed obliquely, molten metal may flow quickly into the body tundish 100 after entering the extension tundish 160, thereby preventing molten metal from accumulating in the extension tundish 160.

In some preferred embodiments, the first bottom wall 110 is inclined, and the first inlet 140 and the second inlet 150 are located on a lower side of the first bottom wall 110.

It will be appreciated that by having the first bottom wall 110 disposed obliquely, molten metal may be rapidly diverted to the first and second inlets 140, 150 after entering the body tundish 100, thereby preventing the molten metal from accumulating in the body tundish 100.

In some preferred embodiments, a rounded transition surface 190 is provided between the side of first bottom wall 110 adjacent to extension tundish 160 and first side wall 120.

It will be appreciated that by providing the arcuate transition surface 190, the entrainment of gas from the flow of molten metal from the extension tundish 160 into the main body tundish 100 is prevented by increasing the turbulence level, thereby ensuring the stability of the molten metal pouring and the quality of the cast product.

In some preferred embodiments, the width of the shunt island 130 becomes progressively larger in the direction of metal flow.

It can be appreciated that by making the width of the flow dividing island 130 gradually larger in the direction of the molten metal flow, the cross-sectional area of the molten metal from the body tundish 100 to the first and second inlets 140 and 150 gradually decreases, and thus, the regulation of the flow rate and the filling pressure of the molten metal can be achieved, ensuring gradual molding quality.

In some preferred embodiments, the shunt island 130 is provided with an arcuate convex surface 200 on the side opposite to the flow direction of the molten metal.

It can be appreciated that by providing the arc-shaped convex surface 200, the molten metal can be smoothly split while flowing through the split island 130, and abrupt contraction or expansion is avoided, thereby preventing the molten metal from colliding with the split island 130 or the first sidewall 120 to cause pressure loss.

In some preferred embodiments, the first and second inlets 140, 150 are symmetrically distributed with respect to the split island 130.

It can be appreciated that by symmetrically distributing the first inlet 140 and the second inlet 150 with respect to the split islands 130, the cross sections of the first inlet 140 and the second inlet 150 are consistent, so that molten metal entering from the first inlet 140 and the second inlet 150 can reach the cavity of the mold at the same time, thereby reducing temperature deviation between the molten metal reaching each position of the cavity and improving structural performance of the casting.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A gravity casting tundish comprising:

the main body pouring tray (100) is arranged at a feed port of the die and comprises a first bottom wall (110) and a first side wall (120) extending upwards along the edge of the first bottom wall (110), a first opening is formed in one side, close to the die, of the first side wall (120), a raised diversion island (130) is arranged in the position, close to the first opening, of the first bottom wall (110), the diversion island (130) separates the first opening to form a first inlet gate (140) and a second inlet gate (150), and the first inlet gate and the second inlet gate (150) are communicated with the feed port of the die;

the extending pouring basin (160) is used for receiving molten metal poured into the soup pouring robot, is arranged on one side, far away from a die, of the main body pouring basin (100), and comprises a second bottom wall (170), and a second side wall (180) extending upwards along the edge of the second bottom wall (170), wherein the second bottom wall (170) is of a long structure, a second opening is formed in one end of the second side wall (180) in the length direction of the second bottom wall (170), and the second opening is communicated with the main body pouring basin (100).

2. A gravity casting tundish according to claim 1, wherein the width of the second bottom wall (170) is smaller than the width of the first bottom wall (110).

3. A gravity casting tundish according to claim 1, wherein the second bottom wall (170) is arranged stepwise to the first bottom wall (110), the second bottom wall (170) being higher than the first bottom wall (110), the second bottom wall (170) being in smooth engagement with the first side wall (120).

4. Gravity casting tundish according to claim 1, characterised in that the second bottom wall (170) is arranged obliquely and that the second opening is located at the lower side of the second bottom wall (170).

5. A gravity casting tundish according to claim 1, wherein the first bottom wall (110) is inclined, and the first inlet (140) and the second inlet (150) are located on a lower side of the first bottom wall (110).

6. Gravity casting tundish according to claim 1, characterised in that a circular arc transition surface (190) is provided between the side of the first bottom wall (110) adjacent to the extended tundish (160) and the first side wall (120).

7. A gravity casting tundish according to claim 1, wherein the width of the said flow dividing island (130) is gradually increased in the direction of flow of the molten metal.

8. Gravity casting tundish according to claim 1, characterised in that the diverting island (130) is provided with an arcuate convex surface (200) on the side opposite to the flow of molten metal.

9. A gravity casting tundish according to claim 1, wherein the first inlet (140) and the second inlet (150) are symmetrically distributed with respect to the distribution island (130).