CN110756774A - Melting furnace molten metal ration material taking furnace - Google Patents

Abstract

The invention relates to the field of melting furnaces, in particular to a quantitative reclaiming furnace for molten metal in melting furnaces. The molten metal quantitative reclaiming furnace of the melting furnace of the invention can directly introduce the molten metal in the quantitative furnace into the feed port of the die-casting machine, and can also realize quantitative storage of the molten metal, which replaces the traditional die-casting soup feeder and holding furnace, and greatly Cost savings and reduced energy consumption. Among them, the user can adjust the position of the quantitative plunger, so as to change the volume in the quantitative cavity and realize the quantitative supply of different capacities; The furnace body is heated and insulated to reduce the heat loss of the molten metal, and the furnace body is also connected with connecting pipes for injecting protective gas, providing a positive pressure slightly higher than atmospheric pressure, so that the molten metal is always isolated from oxygen, which not only reduces the metal The oxidation consumption of the liquid also improves the quality of the molten metal.

Description

A kind of molten metal quantitative reclaiming furnace for melting furnace

technical field

The invention relates to the field of melting furnaces, in particular to a quantitative reclaiming furnace for molten metal in melting furnaces.

Background technique

In the field of metallurgy, melting metals is a very common and important process. The molten metal can be used to cast metal parts of various shapes. The melting furnace is a new type of high-efficiency and energy-saving aluminum melting furnace developed according to the aluminum melting process. It is mainly used for melting and heat preservation of aluminum ingots, and it can well meet the aluminum melting process. The furnace is composed of melting furnace, crucible, heating element, furnace cover lifting mechanism, electrical automatic temperature control system, etc. The furnace shell is welded into cylindrical shape by section steel and steel plate.

At present, the domestic automobile industry, communication industry, construction industry, and decoration industry are developing rapidly, and the use of metal alloys is also increasing. Combined with the low density, high strength and strong die casting of aluminum alloy products, it is suitable for complex die casting. Therefore, it has a wide range of applications, so the requirements for equipment for melting and storing molten aluminum are also getting higher and higher. In the prior art, the molten metal is stored in a holding furnace, and then the molten metal is transferred to the feed port of the die-casting machine by a soup feeder.

In the process of molten metal transfer, it is necessary to use the die-casting soup feeder to pour the molten metal from the quantitative furnace through the holding furnace to the corresponding die-casting machine under the condition that the molten metal is kept in the holding furnace, which has high energy consumption and cost. High, not conducive to environmental protection.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a quantitative reclaiming furnace for molten metal of a melting furnace, which saves cost and reduces energy consumption.

In order to achieve the above purpose, the technical scheme adopted in the present invention is: a quantitative reclaiming furnace for molten metal of a melting furnace, comprising a furnace body, a fixed bracket, a main control motor, a main control rod, a lever bracket, a feeding control rod, and a quantitative plunger , the upper end of the furnace body is provided with a feeding port, and the lower end is provided with a discharging port, the furnace body is embedded in a quantitative cavity, and the quantitative plunger can be moved up and down in the quantitative cavity. There is also a feeding port and a discharging port on the lower left side, the feeding port is communicated with the feeding port, the discharging port is communicated with the discharging port, and the feeding control rod can be moved up and down to be fixed on the fixed bracket The lower end of the feeding control rod runs through the furnace body and the discharge port to form a feeding valve. The middle of the lever bracket is rotatably connected to the fixed bracket, one end is hinged with the surface of the main control rod, and the other end is connected to the feeding through the fixed block. The control rod is fixed, the rotating shaft of the main control motor is sleeved with a gear, the main control rod is meshed with the gear on the main control motor, the main control motor drives the main control rod to move up and down, and the main control rod is connected to the feeding material. The control rod moves in the opposite direction. The lower end of the main control rod is connected with a block for opening and closing the discharge port. The position of the furnace body at the discharge port is provided with a block guide groove, and the block is located in the in the stopper guide.

Further, the fixing bracket includes a vertical frame, a first horizontal frame, a second horizontal frame and a third horizontal frame, the lever bracket is hinged on the vertical frame, the main control motor is fixed to the vertical frame, the first horizontal frame is The lower end of the horizontal frame is connected with a first compression spring arranged in a vertical direction, the lower end of the second horizontal frame is connected with a second compression spring arranged in a vertical direction, the lower end of the first compression spring is connected with the fixing block, and the second compression spring The lower end is connected with the stopper.

Further, it also includes a height adjustment bracket, the upper end of the height adjustment bracket is connected with a furnace body support plate, and the furnace body is fixed on the furnace body support plate.

Wherein, the discharge port is connected with an obliquely arranged diversion groove, and the end of the diversion groove is communicated with the feeding port of the die-casting machine.

Further, a first heating pipe is provided in the furnace body near the right side of the quantitative cavity, and a second heating pipe is provided on the side of the furnace body close to the guide groove of the blocking block.

Wherein, the quantitative plunger includes a connecting column and a piston head, the piston head is arranged in the quantitative cavity, the lower end of the connecting column is connected with the piston head, and the upper end is connected with the fixed bracket through the furnace body.

Further, the material blocking block includes a connecting rod and a material blocking head, the material blocking head and the material blocking block guide groove are mutually matched inverted trapezoids, the lower end of the connecting rod is connected with the material blocking head, and the upper end penetrates the furnace body and is connected to the material blocking head. The lower end of the main control rod is connected.

Further, the lever bracket is rotatably connected to the fixed bracket by forming a fulcrum through the rotating shaft, and one end of the lever bracket is hinged with the surface of the main control rod through the rotating shaft, and the other end is hinged with the fixed block through the rotating shaft, and the fixed block is fixed with the feeding control rod. .

Further, the furnace body is also provided with a connecting pipeline for maintaining positive pressure in the furnace body, and the connecting pipeline is injected with protective gas for isolating oxygen in real time.

Wherein, the lower end of the quantitative cavity is inclined downward toward the direction of the discharge port.

The beneficial effects of the present invention are: the quantitative reclaiming furnace of molten metal in the melting furnace of the present invention can directly introduce the molten metal in the quantitative furnace into the feed port of the die-casting machine, and can also realize quantitative reserve of molten metal, replacing the traditional die-casting feeder. Soup machine and holding furnace, greatly save cost and reduce energy consumption. During the operation, the main control motor drives the main control rod to move downward through the gear, and drives the stopper to block the discharge port, while the main control rod moves downward through the fulcrum to make the other end of the lever bracket move upward. The lever bracket drives the feeding control rod to move upward through the fixed block, so that the feeding control rod opens the feeding port, and the molten metal fills the quantitative cavity through the feeding port; when the main control motor reversely drives the main control rod to move upward, the feeding The material control rod moves downward and blocks the feed port, while the main control rod drives the block to open the discharge port, and the molten metal flows out from the quantitative cavity under the action of gravity, and enters the die casting through the discharge port and the diversion groove. inside the machine. Among them, the user can adjust the position of the quantitative plunger, so as to change the volume in the quantitative cavity and realize the quantitative supply of different capacities; The furnace body is heated and insulated to reduce the heat loss of the molten metal, and the furnace body is also connected with connecting pipes for injecting protective gas, providing a positive pressure slightly higher than atmospheric pressure, so that the molten metal is always isolated from oxygen, which not only reduces the metal The oxidation consumption of the liquid also improves the quality of the molten metal.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Description of reference numerals: 1. Furnace body; 11. Discharging port; 12. Block guide groove; 13. First heating pipe; 14. Second heating pipe; 15. Feeding port; 151. Protective insulation cover; 16. Connecting channel; 2. Fixed bracket; 21. Vertical frame; 22. First horizontal frame; 23. Second horizontal frame; 24. Third horizontal frame; 25. First compression spring; 26. Second compression spring; 3. Main control motor; 4. Main control rod; 5. Lever bracket; 51. Fixed block; 6. Feed control rod; 7. Quantitative plunger; 71. Connecting column; 72. Piston head; 8. Quantitative cavity ; 81. Feed inlet; 82. Outlet; 9. Stopper block; 91. Connecting rod; 92. Stopper head; 10. Height adjustment bracket; 101. Furnace body support plate; .Die Casting Machine.

Detailed ways

The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. The present application can be implemented in many different forms, and is not limited to the implementation described in this embodiment. The following specific embodiments are provided for the purpose of facilitating a clearer and more thorough understanding of the disclosure of the present application, wherein words indicating orientation such as front, rear, left and right are only for the positions of the illustrated structures in the corresponding drawings.

Referring to FIG. 1, the present invention relates to a quantitative reclaiming furnace for molten metal of a melting furnace, comprising a furnace body 1, a fixed bracket 2, a main control motor 3, a main control rod 4, a lever bracket 5, a feeding control rod 6, Quantitative plunger 7, the upper end of the furnace body 1 is provided with a feeding port 15, and the lower end is provided with a discharging port 11, the furnace body 1 is embedded in the quantitative cavity 8, and the quantitative plunger 7 can be moved up and down to set the quantitative In the cavity 8, the upper left side of the quantitative cavity 8 is also provided with a feeding port 81, and the lower left side is provided with a feeding port 82, the feeding port 15 is communicated with the feeding port 81, and the discharging port 11 is connected with The discharge port 82 communicates with each other, the feeding control rod 6 can be moved up and down and fixed on the fixed bracket 2, and the lower end of the feeding control rod 6 penetrates through the furnace body 1 and the discharge port 82 to form a feeding valve. The lever bracket 5. The middle is rotatably connected with the fixing bracket 2, one end is hinged with the surface of the main control rod 4, and the other end is fixed with the feeding control rod 6 through the fixing block 51. The rotating shaft of the main control motor 3 is sleeved with a gear, and the main control The surface of the rod 4 meshes with the gear on the main control motor 3, the main control motor 3 drives the main control rod 4 to move up and down through the gear, the main control rod 4 and the feeding control rod 6 move in the opposite direction, and the main control rod 4. The lower end is connected with a blocking block 9 for opening and closing the discharge port 82. The furnace body 1 is provided with a blocking block guide groove 12 at the position of the discharging port 82, and the blocking block 9 is provided in the blocking block. in the guide groove 12.

Compared with the prior art, the quantitative reclaiming furnace for molten metal of the melting furnace in this embodiment can directly introduce the molten metal in the quantitative furnace into the feed port of the die-casting machine 012, and can also realize quantitative storage of molten metal, replacing the traditional method. Die-casting soup feeder and holding furnace can greatly save cost and reduce energy consumption.

In this embodiment, the fixing bracket 2 includes a vertical frame 21 , a first horizontal frame 22 , a second horizontal frame 23 and a third horizontal frame 24 , and the lever bracket 5 is hinged on the vertical frame 21 . The motor 3 is fixed to the vertical frame 21, the lower end of the first horizontal frame 22 is connected with a first compression spring 25 arranged in a vertical direction, and the lower end of the second horizontal frame 23 is connected with a second compression spring 26 arranged in a vertical direction. The lower end of the first compression spring 25 is connected to the fixed block 51, and the lower end of the second compression spring 26 is connected to the stopper block 9. By using the elastic force of the compression spring, the main control rod 4 and the feeding control rod 6 can be used to pull up and pull down. , so that the main control rod 4 and the feed control rod 6 have a more stable movement process.

In this embodiment, a first heating pipe 13 is provided in the furnace body 1 near the right side of the quantitative cavity 8 , and a second heating pipe 14 is provided on the side of the furnace body 1 close to the guide groove 12 of the blocking block. , in which the heating tubes are respectively arranged in other chambers of the furnace body 1, and are not in direct contact with the quantitative furnace body 8, but the partition plate between the quantitative furnace body 8 and the heating tube has openings for heat transfer, thereby Improve the heating and thermal insulation effect of the heating tube.

In the present embodiment, the quantitative plunger 7 includes a connecting column 71 and a piston head 72, the piston head 72 is arranged in the quantitative cavity 8, the lower end of the connecting column 71 is connected with the piston head 72, and the upper end penetrates through the furnace body 1 and the piston head 72. The third horizontal frame 23 of the fixed bracket 2 is connected, wherein the quantitative plunger 7 is screwed with the third horizontal support 23, and the user can manually adjust the upper and lower positions of the quantitative plunger 7, thereby changing the volume of the quantitative cavity 8; for more automation , the connecting column 71 can also be connected with the motor through the transmission structure, and the vertical movement of the quantitative plunger 7 can be driven by the motor. Wherein, the material blocking block 9 in this embodiment includes a connecting rod 91 and a material blocking head 92, the material blocking head 92 and the material blocking block guide groove 12 are inverted trapezoids that match each other, and the lower end of the connecting rod 91 is connected to the material blocking head 92. Connection, the upper end penetrates through the furnace body 1 and is connected with the lower end of the main control rod 4 .

In this embodiment, the lever bracket 5 is rotatably connected to the fixed bracket 2 by forming a fulcrum through the rotating shaft, and one end of the lever bracket 5 is hinged to the surface of the main control rod 4 through the rotating shaft, and the other end is hinged to the fixed block 51 through the rotating shaft, and the fixed block 51 is fixed with the feeding control rod 6; the principle of lever motion is adopted, so that both ends of the lever bracket 5 move in the opposite direction, so that the main control rod 4 and the feeding control rod 6 connected to it move in the opposite direction.

Further, the furnace body 1 is also provided with a connecting pipe 16 for maintaining the positive pressure in the furnace body 1. The connecting pipe 16 is injected with a protective gas for isolating oxygen, such as nitrogen, in real time, so that the molten metal is always isolated from oxygen. , to avoid the oxidation of molten metal and improve the quality of molten metal. Wherein, in order to better maintain the temperature of the molten metal in the furnace body 1 , the inlet 15 of the furnace body 1 is also provided with a protective heat preservation cover 151 .

In order to make the molten metal flow out better, the lower end of the quantitative cavity 8 is inclined downward toward the direction of the discharge port 82 .

In this embodiment, a height adjustment bracket 10 is also included, the upper end of the height adjustment bracket 10 is connected with a furnace body support plate 101, the furnace body 1 is fixed on the furnace body support plate 101, and can be better changed according to the actual situation The height of the reclaiming furnace is suitable for die casting machine 012 of more sizes. Wherein, the height adjustment bracket 10 in this embodiment adopts a cross telescopic frame, and other structures with telescopic function may also be adopted, which belong to the prior art and will not be repeated here.

When using the molten metal quantitative reclaiming furnace, the discharge port 11 is also connected with an inclined guide groove 011, and the end of the guide groove 011 is connected with the feed port of the die-casting machine 012 to introduce the molten metal into the die-casting machine 012. ; And the feeding port 15 of the furnace body 1 is communicated with the quantitative furnace, and the molten metal can be introduced into the quantitative cavity 8 of the furnace body.

The use process of the molten metal quantitative reclaiming furnace of the melting furnace of the present embodiment is as follows:

1) The main control motor 3 drives the main control rod 4 to move downward through the gear, and drives the stopper 9 to block the discharge port,

2) During the downward movement of the main control rod 4, the lever bracket 5 moves upward through the pivot point of the rotating shaft. At this time, the lever bracket 5 drives the feed control rod 6 to move upward through the fixing block 51, so that the feed control rod 6 opens the feed port 81. ;

3) The molten metal fills the quantitative cavity 8 through the feeding port 81;

4) When the main control motor 3 reversely drives the main control rod 4 to move upward, the feeding control rod 6 moves downward and blocks the feeding port 81, and the main control rod 4 drives the material stopper 9 to open the discharging port 82;

5) The molten metal flows out from the quantitative cavity 8 under the action of gravity, and enters the die-casting machine 012 through the discharge port 11 and the diversion groove 011;

6) Quantitative feeding is realized by reciprocating as above.

Among them, the user can adjust the position of the quantitative plunger 7, thereby changing the volume in the quantitative cavity 8 to achieve quantitative supply of different capacities; in addition, the furnace body 1 is also provided with a first heating tube 13 and a second heating tube 14. , which can be used to heat and maintain the entire furnace body 1 to reduce the heat loss of the molten metal.

It should be further explained that in this embodiment, the meshing structure of the teeth on the surface of the main control rod 4 and the gears can be replaced with other existing transmission mechanisms, such as the combination of a screw rod and a screw nut, as long as the main control motor 3 can be driven The main control rod 4 can be moved up and down, and the lever bracket 5 and the main control rod 4 can be moved in opposite directions, which is not limited here, all under the protection of the spirit of the present invention. The first heating pipe 13, the second heating pipe 14 and the main control motor 3 are respectively electrically connected to the control system of the molten metal quantitative reclaiming furnace. The control system can be a PLC controller, and the control process is performed through a preset program. The implementation belongs to the existing technology and will not be repeated here. Unless otherwise expressly specified and limited, the terms "connected" and "fixed" should be interpreted broadly, and those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.

The above embodiments are only to describe the preferred embodiments of the present invention, and do not limit the scope of the present invention. On the premise of not departing from the design spirit of the present invention, various modifications and variations of the technical solutions of the present invention made by ordinary engineers and technicians in the art Improvements should all fall within the protection scope determined by the claims of the present invention.

Claims (10)

1. The utility model provides a melting furnace molten metal ration gets material stove which characterized in that: comprises a furnace body, a fixed bracket, a main control motor, a main control rod, a lever bracket, a feeding control rod and a quantitative plunger piston, wherein a feeding port is arranged at the upper end of the furnace body, a discharging port is arranged at the lower end of the furnace body, a quantitative cavity is embedded in the furnace body, the quantitative plunger piston can be movably arranged in the quantitative cavity up and down, a feeding port is also arranged at the upper left side of the quantitative cavity, a discharging port is arranged at the lower left side of the quantitative cavity, the feeding port is communicated with the feeding port, the discharging port is communicated with the discharging port, the feeding control rod can be movably fixed on the fixed bracket up and down, the lower end of the feeding control rod penetrates through the furnace body and the discharging port to form a feeding valve, the middle of the lever bracket is rotatably connected with the fixed bracket, one end of the lever bracket is hinged with the surface of the main control, the main control motor drives the main control rod to move up and down, the main control rod and the feeding control rod move reversely, the lower end of the main control rod is connected with a material blocking block for opening and closing the discharge port, a material blocking block guide groove is formed in the position, located at the discharge port, in the furnace body, and the material blocking block is arranged in the material blocking block guide groove.

2. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the fixed bolster includes vertical frame, first horizontal stand, second horizontal stand and third horizontal stand, the lever support articulates on vertical frame, the master control motor is fixed with vertical frame, first horizontal stand lower extreme is connected with the first compression spring that the vertical direction set up, second horizontal stand lower extreme is connected with the second compression spring that the vertical direction set up, first compression spring lower extreme is connected with the fixed block, second compression spring lower extreme is connected with the material blocking block.

3. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the furnace body support plate is connected to the upper end of the height adjusting support, and the furnace body is fixed to the furnace body support plate.

4. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the drain hole is connected with the guiding gutter that the slope set up, the guiding gutter end communicates with the die casting machine feed inlet.

5. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: be equipped with first heating pipe in the furnace body near quantitative cavity right side, one side that is close to in the furnace body and keeps off the material piece guide slot is equipped with the second heating pipe.

6. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the quantitative plunger comprises a connecting column and a piston head, the piston head is arranged in the quantitative cavity, the lower end of the connecting column is connected with the piston head, and the upper end of the connecting column penetrates through the furnace body and is connected with the fixed support.

7. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the material blocking block comprises a connecting rod and a material blocking head, the material blocking head and the material blocking block guide groove are inverted trapezoids matched with each other, the lower end of the connecting rod is connected with the material blocking head, and the upper end of the connecting rod penetrates through the furnace body to be connected with the lower end of the main control rod.

8. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the lever bracket forms a pivot through the rotating shaft and is rotatably connected with the fixed bracket, one end of the lever bracket is hinged with the surface of the main control rod through the rotating shaft, the other end of the lever bracket is hinged with the fixed block through the rotating shaft, and the fixed block is fixed with the feeding control rod.

9. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the furnace body is also provided with a connecting pipeline for keeping positive pressure in the furnace body, and protective gas for isolating oxygen is injected into the connecting pipeline in real time.

10. The melting furnace molten metal quantitative material taking furnace according to claim 1, characterized in that: the lower end of the quantitative cavity is obliquely and downwards arranged towards the direction of the discharge hole.