Aluminum casting distribution launder preheating device

Abstract

The utility model belongs to the technical field of casting, and discloses an aluminum casting distribution launder preheating device which comprises a support. The launder is erected at the upper end of the support, a plurality of rotating shafts distributed at equal intervals are rotationally connected to the inner side of the launder in the length direction of the launder, a plurality of turbulent flow fins are fixed to the circumferential side of each rotating shaft in the circumferential direction of the rotating shaft, one end of each rotating shaft penetrates through the side wall of the launder and extends outwards to be fixedly provided with a first bevel gear, and the first bevel gears are all arranged on the same side of the launder; a second bevel gear is arranged on the peripheral side of each first bevel gear, the first bevel gears are connected with the second bevel gears in a meshed mode, and the multiple second bevel gears are fixed to the same transmission shaft; the heat preservation cover is arranged at the upper end of the launder, and a plurality of preheating burners distributed at equal intervals are arranged on the heat preservation cover in the length direction of the heat preservation cover. Molten aluminum can be disturbed, the upper layer and the lower layer of the molten aluminum are repeatedly mixed, the temperature difference between the upper layer and the lower layer of the molten aluminum is reduced, and the molten aluminum is preheated relatively uniformly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to foundry technical field, concretely relates to a kind of aluminium melting and casting distribution flow groove preheating device. BACKGROUND

[0002] Flow groove is the passage of conveying aluminium liquid, and aluminium liquid flow groove is the key component on large-scale aluminium alloy die casting production line, which is the passage to ensure that high-temperature aluminium liquid enters the pressure chamber smoothly.

[0003] For example, the patent number CN215199635U discloses a casting flow groove preheating and heat preservation device, which includes a support, a flow groove erected in the support, a heat preservation cover covering the flow groove, a preheating burner fastened to the heat preservation cover, and an electric drive mechanism for driving the heat preservation cover to overturn. A mounting hole is provided in the middle of the heat preservation cover. The preheating burner is inserted into the mounting hole and exposed on the lower bottom surface of the heat preservation cover. The preheating burner is connected to an external gas supply device.

[0004] In the above-mentioned scheme, the preheating burner is located above the liquid surface of the aluminium liquid. The flame emitted by the preheating burner can only directly heat the liquid surface of the aluminium liquid in the flow groove. This will cause a temperature difference between the upper layer and the lower layer of the aluminium liquid, and cannot ensure that the preheating of the aluminium liquid is relatively uniform. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide an aluminium melting and casting distribution flow groove preheating device that can disturb the aluminium liquid, repeatedly mix the upper layer and the lower layer of the aluminium liquid, reduce the temperature difference between the upper layer and the lower layer of the aluminium liquid, and make the preheating of the aluminium liquid relatively uniform.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] An aluminium melting and casting distribution flow groove preheating device includes:

[0008] a support;

[0009] a flow groove, which is erected on the upper end of the support and fixedly connected to the support. A plurality of equally spaced rotating shafts are arranged on the inner side of the flow groove along the length direction of the flow groove. The two ends of each rotating shaft are rotatably connected to the side wall of the flow groove. A plurality of turbulence fins are fixedly connected to the circumferential side of each rotating shaft along the circumferential direction. An extension is extended from one end of each rotating shaft to the outside of the flow groove through the side wall of the flow groove. A first bevel gear is fixedly connected to the extension of each rotating shaft. A plurality of first bevel gears are arranged on the same side of the flow groove. A second bevel gear is arranged on the circumferential side of each first bevel gear. The first bevel gear is meshingly connected to the second bevel gear. A plurality of second bevel gears are fixedly connected to the same transmission shaft.

[0010] A heat preservation cover is arranged at the upper end of the flow channel, and a plurality of preheating burners are arranged on the heat preservation cover at equal intervals along the length direction of the heat preservation cover.

[0011] The above technical scheme has the following principles and technical effects:

[0012] The molten aluminum enters from one end of the flow channel, flows to the other end and then flows out, in the process of flowing, the preheating burners vertically downwardly spray high-temperature flames, the liquid surface of the molten aluminum is heated when the molten aluminum flows below the preheating burners, meanwhile, the driving source drives the transmission shaft to rotate, the transmission shaft drives the plurality of second bevel gears to rotate, the second bevel gears drive the first bevel gears to rotate, the first bevel gears drive the rotating shaft to rotate, the rotating shaft drives the plurality of turbulence fins to rotate along the rotating shaft, the molten aluminum is disturbed, the upper layer and the lower layer of the molten aluminum are repeatedly mixed, the temperature difference between the upper layer and the lower layer of the molten aluminum is reduced, and the preheating of the molten aluminum is relatively uniform.

[0013] In a preferred example, the preheating burners are located above the adjacent two rotating shafts.

[0014] In a preferred example, the upper end of the preheating burner is provided with two gas inlet interfaces.

[0015] In a preferred example, an anti-splashing plate is arranged above each rotating shaft, the anti-splashing plate is of an arc structure, and the two ends of the anti-splashing plate are fixedly connected with the inner wall of the flow channel.

[0016] In a preferred example, a plurality of limiting plates are fixedly connected to the two sides of the support, and the limiting plates are attached to the outer wall of the flow channel.

[0017] In a preferred example, a plurality of shaft sleeves are rotatably connected to the transmission shaft, and the shaft sleeves are fixedly connected to the outer side of the limiting plate.

[0018] In a preferred example, the outer side of one limiting plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a first synchronous pulley, a second synchronous pulley is fixedly connected to the transmission shaft, and a synchronous belt in mesh connection is sleeved between the first synchronous pulley and the second synchronous pulley.

[0019] In a preferred example, a portal frame is fixedly connected to the upper end of the two ends of the support, a cylinder is fixedly connected to the portal frame, and the piston rod of the cylinder is fixedly connected with the heat preservation cover.

[0020] In a preferred example, a heat preservation layer is fixedly connected to the outer side of the flow channel.

[0021] The nouns, conjunctions or adjective parts involved in the above technical solutions are explained as follows:

[0022] Fixed connection refers to the connection of parts or components after being fixed without any relative movement.

[0023] (1) The detachable connection is to fix the parts together by using screw rods, splines, wedge pins, etc. This connection mode can be disassembled during maintenance without damaging the parts. However, the specifications of the connecting parts (such as the length of the bolts, keys, and wedge pins) must be correct, and the fastening should be appropriate.

[0024] (2) The non-detachable connection mainly refers to welding, riveting, and tenon fitting, etc. Since the parts cannot be reused during maintenance or replacement, the process quality, technical detection and remedial measures (such as correction and polishing) should be paid attention to during the connection.

[0025] Threaded connection refers to the detachable connection of the connected parts by using threaded parts (or threaded parts of the connected parts).

[0026] Sliding connection refers to the contact between two objects without being fixed, and the two objects can slide relative to each other.

[0027] Rotary connection refers to the connection between parts that allows the parts to rotate relative to each other.

[0028] The beneficial effects of the utility model are as follows:

[0029] The molten aluminum enters from one end of the flow tank, flows to the other end and then flows out. In the process of flowing, the preheating burner vertically sprays high-temperature flame downward, and the liquid surface of the molten aluminum is heated when the molten aluminum flows below the preheating burner. At the same time, the driving source drives the transmission shaft to rotate, the transmission shaft drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the rotating shaft to rotate, and the rotating shaft drives the plurality of turbulence fins to rotate along the rotating shaft, thereby disturbing the molten aluminum, repeatedly mixing the upper layer and the lower layer of the molten aluminum, reducing the temperature difference between the upper layer and the lower layer of the molten aluminum, and making the preheating of the molten aluminum relatively uniform. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0031] Fig. 1 is one side view of the overall structure of the embodiment of the utility model;

[0032] Fig. 2 is another side view of the overall structure of the embodiment of the utility model;

[0033] Fig. 3 is the internal structure of the runner of the embodiment of the utility model. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0035] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0036] According to the conception of the present application, an embodiment of an aluminum melting and casting distribution runner preheating device is described herein. Figs. 1-3 Specifically, the aluminum melting and casting distribution runner preheating device is configured in a split structure, which has a support 1, a runner 2, a heat preservation cover 8 and the like. Through the cooperation of the structures such as the rotating shaft 3, the turbulence fin 4 and the preheating burner 9, the molten aluminum enters from one end of the runner 2, flows to the other end and then flows out. In the process of flowing, the preheating burner 9 vertically sprays high-temperature flame downward, and when the molten aluminum flows below the preheating burner 9, the liquid surface of the molten aluminum is heated. At the same time, the driving source drives the transmission shaft 7 to rotate, the transmission shaft 7 drives a plurality of second bevel gears 6 to rotate together, the second bevel gears 6 drive the first bevel gear 5 to rotate, the first bevel gear 5 drives the rotating shaft 3 to rotate, and the rotating shaft 3 drives a plurality of turbulence fins 4 to rotate along the rotating shaft 3, thereby disturbing the molten aluminum, repeatedly mixing the upper layer and the lower layer of the molten aluminum, reducing the temperature difference between the upper layer and the lower layer of the molten aluminum, and making the preheating of the molten aluminum relatively uniform.

[0037] As shown in Figs. 1-3 , an aluminum melting and casting distribution runner preheating device comprises:

[0038] a support 1;

[0039] The chute 2 is arranged at the upper end of the support 1 and is fixedly connected with the support 1, a plurality of rotating shafts 3 are arranged at the inner side of the chute 2 along the length direction of the chute 2, the two ends of the rotating shaft 3 are rotationally connected with the side wall of the chute 2, a plurality of spoiler fins 4 are fixedly connected with the circumferential side of the rotating shaft 3 along the circumferential direction of the rotating shaft 3, the extension part of one end of the rotating shaft 3 extends to the outer side of the chute 2 through the side wall of the chute 2, the first bevel gear 5 is fixedly connected with the extension part of the rotating shaft 3, the plurality of first bevel gears 5 are arranged at the same side of the chute 2, the circumferential side of each first bevel gear 5 is provided with one second bevel gear 6, the first bevel gear 5 is meshingly connected with the second bevel gear 6, and the plurality of second bevel gears 6 are fixedly connected with the same transmission shaft 7;

[0040] The heat preservation cover 8 is arranged at the upper end of the chute 2, and a plurality of preheating burners 9 are arranged at the heat preservation cover 8 along the length direction of the heat preservation cover 8.

[0041] In use, the aluminum liquid enters from one end of the chute 2, flows to the other end and then flows out, the preheating burners 9 vertically downwardly spray high-temperature flames in the process of flowing of the aluminum liquid, the liquid surface of the aluminum liquid is heated when the aluminum liquid flows below the preheating burners 9, meanwhile, the driving source drives the transmission shaft 7 to rotate, the transmission shaft 7 drives the plurality of second bevel gears 6 to rotate, the second bevel gears 6 drive the first bevel gears 5 to rotate, the first bevel gears 5 drive the rotating shafts 3 to rotate, and the rotating shafts 3 drive the plurality of spoiler fins 4 to rotate along the rotating shafts 3, so that the aluminum liquid is disturbed, the upper layer and the lower layer of the aluminum liquid are repeatedly mixed, the temperature difference between the upper layer and the lower layer of the aluminum liquid is reduced, and the preheating of the aluminum liquid is relatively uniform.

[0042] In one embodiment of the utility model, the preheating burner 9 is located above the adjacent two rotating shafts 3. On the one hand, the high-temperature flames sprayed downwardly by the preheating burner 9 directly act on the aluminum liquid, and on the other hand, the spoiler fins 4 driven to rotate by the rotating shafts 3 to disturb the aluminum liquid cause the aluminum liquid to splash on the preheating burner 9.

[0043] In one embodiment of the utility model, the upper end of the preheating burner 9 is provided with two gas inlets 10. The gas inlets 10 are used for connecting gas and oxygen.

[0044] In one embodiment of the utility model, an anti-splashing plate 11 is arranged above each rotating shaft 3, the anti-splashing plate 11 is of arc structure, and the two ends of the anti-splashing plate 11 are fixedly connected with the inner wall of the chute 2. When the rotating shafts 3 drive the plurality of spoiler fins 4 to rotate along the rotating shafts 3 to disturb the aluminum liquid, most of the splashing liquid can be blocked, and the splashing liquid splashing on the preheating burner 9 is reduced.

[0045] In one embodiment of the utility model, a plurality of limiting plates 12 are fixedly connected with the two sides of the support 1 and are in close contact with the outer wall of the chute 2. The installation of the chute 2 can play a positioning role, and after installation, the limiting plates 12 can play a limiting role.

[0046] In one embodiment of the utility model, a plurality of shaft sleeves 13 are rotatably connected on the transmission shaft 7, and the shaft sleeves 13 are fixedly connected to the outer side of the limiting plate 12. The shaft sleeves 13 are arranged to connect and support the transmission shaft 7, so that the transmission shaft 7 can stably rotate.

[0047] In one embodiment of the utility model, the outer side of one limiting plate 12 is fixedly connected with a driving motor 14, the output end of the driving motor 14 is fixedly connected with a first synchronous pulley 15, the transmission shaft 7 is fixedly connected with a second synchronous pulley 16, and the first synchronous pulley 15 is sleeved with a meshing synchronous belt 17 between the second synchronous pulley 16. The driving motor 14 drives the first synchronous pulley 15 to rotate, the first synchronous pulley 15 drives the synchronous belt 17 to transmit, the synchronous belt 17 drives the second synchronous pulley 16 to rotate, the second synchronous pulley 16 drives the transmission shaft 7 to rotate, the transmission shaft 7 drives a plurality of second bevel gears 6 to rotate together, the second bevel gears 6 drive the first bevel gear 5 to rotate, the first bevel gear 5 drives the rotating shaft 3 to rotate, and the rotating shaft 3 drives a plurality of turbulence fins 4 to rotate along the rotating shaft 3. The aluminum liquid is disturbed, the upper layer and the lower layer of the aluminum liquid are repeatedly mixed, the temperature difference between the upper layer and the lower layer of the aluminum liquid is reduced, and the preheating of the aluminum liquid is relatively uniform.

[0048] In one embodiment of the utility model, the upper end of the bracket 1 is fixedly connected with a portal frame 18 at both ends, the portal frame 18 is fixedly connected with a pneumatic cylinder 19, and the piston rod of the pneumatic cylinder 19 is fixedly connected with the heat preservation cover 8. The pneumatic cylinder 19 drives the piston rod to retract and drives the heat preservation cover 8 to move upwards and away from the runner 2, so that the solidified aluminum slag in the runner 2 can be conveniently cleaned.

[0049] In one embodiment of the utility model, the outer side of the runner 2 is fixedly connected with a heat preservation layer. The heat preservation cover 8 is used in cooperation to heat the entire runner 2.

[0050] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An aluminum melt distribution launder preheating apparatus characterized by, Include: Support (1); The runner (2) is erected on the upper end of the support (1) and is fixedly connected with the support (1), the inner side of the runner (2) is provided with a plurality of equidistantly distributed rotating shafts (3) along the length direction of the runner (2), both ends of the rotating shaft (3) are rotatably connected with the side wall of the runner (2), a plurality of spoiler fins (4) are fixedly connected to the circumferential side of the rotating shaft (3) along the circumferential direction thereof, one end of the rotating shaft (3) extends to the outside of the runner (2) through the side wall of the runner (2), a first bevel gear (5) is fixedly connected to the extension of the rotating shaft (3), a plurality of first bevel gears (5) are arranged on the same side of the runner (2), a second bevel gear (6) is arranged on the circumferential side of each first bevel gear (5), the first bevel gear (5) is meshingly connected with the second bevel gear (6), and a plurality of second bevel gears (6) are fixedly connected to the same transmission shaft (7); The heat preservation cover (8) is arranged on the upper end of the runner (2), and a plurality of preheating burners (9) are arranged on the heat preservation cover (8) along the length direction of the heat preservation cover (8).

2. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 1, wherein The preheating burner (9) is located above the adjacent two rotating shafts (3).

3. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 2 wherein, The upper end of the preheating burner (9) is provided with two gas inlet interfaces (10).

4. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 1, wherein An anti-splashing plate (11) is arranged above each rotating shaft (3), the anti-splashing plate (11) is in arc-shaped structure, and both ends of the anti-splashing plate (11) are fixedly connected with the inner wall of the runner (2).

5. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 1, wherein A plurality of limiting plates (12) are fixedly connected to the two sides of the support (1), and the limiting plate (12) is attached to the outer wall of the runner (2).

6. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 5 wherein, A plurality of shaft sleeves (13) are rotatably connected to the transmission shaft (7), and the shaft sleeve (13) is fixedly connected to the outer side of the limiting plate (12).

7. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 5 wherein, The outer side of one of the limiting plates (12) is fixedly connected with a driving motor (14), the output end of the driving motor (14) is fixedly connected with a first synchronous pulley (15), the transmission shaft (7) is fixedly connected with a second synchronous pulley (16), and the first synchronous pulley (15) and the second synchronous pulley (16) are sleeved with a meshingly connected synchronous belt (17).

8. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 1, wherein The upper end of the support (1) is fixedly connected with a portal frame (18), the portal frame (18) is fixedly connected with a gas cylinder (19), and the piston rod of the gas cylinder (19) is fixedly connected with the heat preservation cover (8).

9. An apparatus for preheating an aluminum casting and distribution launder as defined in claim 1, wherein The outer side of the runner (2) is fixedly connected with a heat preservation layer.

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