Anti-sticking molten aluminum conveying barrel

Abstract

The utility model provides an anti-sticking molten aluminum conveying barrel. The anti-sticking molten aluminum conveying barrel comprises a barrel body, an upper cover and supporting legs. The lower end of the cylinder body is funnel-shaped, an outlet is formed in the lower end of the cylinder body, and a boron nitride coating is arranged on the inner wall of the cylinder body; the upper cover is connected with the barrel through a locking screw, an inlet penetrating through the upper cover is formed in the upper cover, a piston is arranged on the side, close to the barrel, of the upper cover, a piston rod is arranged on the side, close to the upper cover, of the piston, and the piston rod extends in the direction away from the direction penetrating through the barrel and penetrates through the upper cover. The piston is attached to the inner wall of the cylinder, and the surface of the piston is also provided with a boron nitride coating. The supporting legs are arranged on the outer wall of the lower end of the barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of molten aluminum conveying equipment, and particularly relates to a molten aluminum conveying cylinder with anti-sticking property. BACKGROUND

[0002] In the production of aluminum alloy castings, the molten aluminum is mostly taken out from a melting furnace or a holding furnace and then sent to a casting workshop. In the traditional technology, the molten aluminum conveying device is easily affected by the transfer environment, cools in the cavity, causes the condensation of condensed aluminum liquid, and easily forms slag in the cavity, which adheres to the inner wall. Therefore, a molten aluminum conveying cylinder with anti-sticking property is proposed to solve the above problems. SUMMARY

[0003] Therefore, the main purpose of the utility model is to solve the problems that the molten aluminum condenses in the cavity and easily forms slag on the inner wall during the conveying process.

[0004] The utility model provides a molten aluminum conveying cylinder with anti-sticking property, which comprises a cylinder, an upper cover and supporting legs.

[0005] Further, the cylinder is further provided with an outer shell, a heat preservation layer, a heating layer, an inner shell and a boron nitride coating from outside to inside in sequence, and the heating layer is connected with an external power supply through an electric wire.

[0006] Further, a temperature sensor is arranged between the inner shell and the boron nitride coating.

[0007] Further, the outlet comprises a hemispherical stop valve arranged on the inner side of the outlet, a motor arranged on the outer wall of the outlet, and a driving rod, the first end of the driving rod penetrates the side wall of the outlet and is connected with the stop valve, the second end of the driving rod is connected with the motor, the motor drives the driving rod to rotate, and the hemispherical stop valve rotates around the driving rod as the axis.

[0008] Further, the inlet comprises an inlet channel penetrating the upper cover and a cover piece covering the inlet channel, the cover piece and the upper cover are connected through a vertical rotating shaft arranged on the upper cover, and the cover piece can be horizontally rotated around the vertical rotating shaft to close or open the inlet channel.

[0009] Further, the piston rod is provided with a rotating shaft near the upper cover.

[0010] Compared with the related art, the utility model has the beneficial effects that:

[0011] 1. By coating boron nitride coating on the surface in contact with molten aluminum, and increasing the piston device, the anti-sticking performance of the molten aluminum in the cylinder is improved.

[0012] 2. By setting the temperature sensor, the heat preservation layer and the heating layer, the temperature of the molten aluminum is kept constant during the conveying process, and the problem of condensation of the molten aluminum caused by temperature drop is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic view of a molten aluminum conveying cylinder according to an embodiment of the utility model;

[0014] Figure 2 is Figure 1 is an enlarged view of A;

[0015] Figure 3 is a sectional view of a molten aluminum conveying cylinder according to an embodiment of the utility model;

[0016] Figure 4 is Figure 3 is an enlarged view of B.

[0017] Among them, the above-mentioned drawings include the following reference signs:

[0018] 1. Cylinder; 101, outer shell; 102, heat preservation layer; 103, heating layer; 104, inner shell; 105, boron nitride coating; 106, temperature sensor; 107, electric wire; 108, outlet; 1081, stop valve; 1082, driving rod; 1083, motor; 2, upper cover; 201, inlet; 2011, inlet channel; 2012, cover piece; 2013, vertical rotating shaft; 202, piston; 203, piston rod; 204, rotating shaft; 205, locking screw; 3, supporting leg. DETAILED DESCRIPTION

[0019] The application will be described in further detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only parts related to the utility model are shown in the drawings for ease of description. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the description of the utility model, it is necessary to explain that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model; the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0021] As shown in Figure 1 A kind of anti-sticking aluminium liquid conveying cylinder, including: cylinder 1, upper cover 2 and support leg 3;The lower end of the cylinder 1 is funnel-shaped, the lower end of the cylinder 1 is equipped with outlet 108, and the inner wall of the cylinder 1 is equipped with boron nitride coating 105;The upper cover 2 is connected with the cylinder 1 by locking screw 205, the upper cover 2 is equipped with inlet 201 penetrating the upper cover 2, the side of the upper cover 2 close to the cylinder 1 is equipped with piston 202, the side of the piston 202 close to the upper cover 2 is equipped with piston rod 203, and the piston rod 203 extends along the direction away from the cylinder 1 and penetrates the upper cover 2, wherein the piston 202 the inner wall of the cylinder 1 is attached and the surface of the piston 202 is also equipped with boron nitride coating 105;The support leg 3 is arranged on the lower end outer wall of the cylinder 1.Boron nitride coating as inert inorganic high-temperature lubricating material, not bonding, not infiltrating molten metal liquid, plus piston in the cylinder inside up and down, can realize that aluminium liquid is not sticky in the cylinder.

[0022] As shown in Figure 3 Preferably, the cylinder 1 is further equipped with shell 101, heat preservation layer 102, heating layer 103, inner shell 104, boron nitride coating 105 from outside to inside in sequence, the heating layer 103 is communicated with external power supply by wire 107, which can guarantee the temperature of aluminium liquid unchanged in the transportation process to the maximum extent.

[0023] Preferably, temperature sensor 106 is further arranged between the inner shell 104 and the boron nitride coating 105, the temperature in the cylinder can be known and monitored through the temperature sensor 106, to select whether to open the heat preservation.

[0024] As Figure 4 shown, preferably, the outlet 108 comprises: a hemispherical stop valve 1081 arranged inside the outlet 108, a motor 1083 arranged on the outer wall of the outlet 108, a driving rod 1082, the first end of the driving rod 1082 penetrating the side wall of the outlet 108 and being connected with the hemispherical stop valve 1081, the second end of the driving rod 1082 being connected with the motor 1083, the motor 1083 driving the driving rod 1082 to rotate, so that the hemispherical stop valve 1081 rotates around the driving rod 1082 as the axis, when the spherical surface of the stop valve 1081 is close to the upper cover 2, the molten aluminum can flow out of the cylinder 1, when the spherical surface of the stop valve 1081 is far away from the upper cover 2, the molten aluminum cannot flow out of the cylinder 1.

[0025] As Figure 2 shown, preferably, the inlet 201 comprises: an inlet channel 2011 penetrating the upper cover 2, and a cover sheet 2012 covering the inlet channel 2011; the cover sheet 2012 and the upper cover 2 are connected through a vertical rotating shaft 2013 arranged on the upper cover 2, and the cover sheet 2012 can rotate horizontally around the vertical rotating shaft 2013 to close or open the inlet channel 2011.

[0026] Preferably, the piston rod 203 is provided with a rotating shaft 204 near the upper cover 2, and the piston rod 203 can be folded by rotating the rotating shaft 204, so as to reduce the occupation of the top space.

[0027] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A stick preventing aluminum liquid delivery cylinder, characterized by, The application relates to an anti-sticking aluminum liquid conveying cylinder. The lower end of the cylinder (1) is funnel-shaped, the lower end of the cylinder (1) is provided with an outlet (108), and the inner wall of the cylinder (1) is provided with a boron nitride coating (105). The upper cover (2) is connected with the cylinder (1) through locking screws (205), the upper cover (2) is provided with an inlet (201) penetrating through the upper cover (2), one side of the upper cover (2) close to the cylinder (1) is provided with a piston (202), one side of the piston (202) close to the upper cover (2) is provided with a piston rod (203), the piston rod (203) extends away from the cylinder (1) and penetrates through the upper cover (2), wherein the piston (202) is attached to the inner wall of the cylinder (1) and the surface of the piston (202) is also provided with a boron nitride coating (105). The supporting leg (3) is arranged on the outer wall of the lower end of the cylinder (1).

2. The anti-sticking aluminum liquid conveying cylinder according to claim 1, wherein the cylinder (1) is further provided with an outer shell (101), a heat preservation layer (102), a heating layer (103), an inner shell (104) and a boron nitride coating (105) from outside to inside in sequence, and the heating layer (103) is connected with an external power supply through an electric wire (107).

3. The anti-sticking aluminum liquid conveying cylinder according to claim 2, wherein a temperature sensor (106) is further arranged between the inner shell (104) and the boron nitride coating (105). The outlet (108) comprises: a hemispherical stop valve (1081) arranged on the inner side of the outlet (108), a motor (1083) arranged on the outer wall of the outlet (108), 4. The anti-stick aluminum liquid delivery cylinder of claim 1, wherein, a driving rod (1082), the first end of the driving rod (1082) penetrates through the side wall of the outlet (108) and is connected with the hemispherical stop valve (1081), the second end of the driving rod (1082) is connected with the motor (1083), the motor (1083) drives the driving rod (1082) to rotate, the hemispherical stop valve (1081) rotates around the driving rod (1082) as the shaft, and the aluminum liquid outflow is controlled. The inlet (201) comprises: an inlet channel (2011) penetrating through the upper cover (2) and a cover sheet (2012) covering the inlet channel (2011); the cover sheet (2012) and the upper cover (2) are connected through a vertical rotating shaft (2013) arranged on the upper cover (2), the cover sheet (2012) can be horizontally rotated around the vertical rotating shaft (2013) to close or open the inlet channel (2011).

5. The anti-stick aluminum liquid delivery barrel of claim 1, wherein, The piston rod (203) is provided with a rotating shaft (204) close to the upper cover (2). ​ ​ 6. A stick-resistant aluminum liquid transfer cylinder as defined in claim 1, wherein: ​

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