Molding sand buffer hopper for steel preparation

Abstract

The utility model relates to the technical field of casting production, and discloses a molding sand buffer hopper for steel preparation, which comprises a funnel, four connecting columns are fixedly connected to the bottom end of the funnel, a material control box is fixedly connected to the bottom ends of the four connecting columns, a fixed plate is fixedly connected to one side of the material control box, and a movable plate is fixedly connected to one side of the outer wall of a first rotating shaft. The upper end of the movable plate is fixedly connected with a pressure sensor. According to the molding sand buffer hopper for steel preparation, through the arrangement of the material control box, the movable plate and the pressure sensor, molding sand can be firstly injected into the material control box, the molding sand entering the material control box is weighed through the pressure sensor, and the weight of the molding sand is displayed through the display device; and the pressure sensor can monitor the pressure on the movable plate in real time, so that the accumulation condition and the flow state of the molding sand are known. The potential blocking problem can be found in time, corresponding measures are taken, and then the moving plate is opened to enable the molding sand to flow out.

Description

Technical Field

[0001] The present application relates to the technical field of casting production, and in particular to a molding sand buffer bucket for steel preparation. Background Art

[0002] Molding sand is generally made of raw sand for casting, molding sand binder, additives and other molding materials mixed in a certain proportion. Molding sand can be divided into clay sand, water glass sand, cement sand, resin sand, etc. according to the different binders used. Clay sand, water glass sand and resin sand are the most commonly used.

[0003] The existing patent (publication number: CN208772379U) discloses a molding sand buffer bucket for steel preparation, including a buffer bucket, two mounting plates are symmetrically fixedly installed on the left and right side walls of the buffer bucket, baffles are movably connected to the outer edges of the bottom of the buffer bucket through hinges, two telescopic cylinders are symmetrically fixedly installed on the side walls on the opposite sides of the two mounting plates, and the output ends of the two telescopic cylinders are movably connected to the bottoms of the two baffles through pins.

[0004] The above-mentioned comparative document points out that the device stirs the molding sand blocked at the bottom of the buffer bucket by rotating two stirring gears, so that the inside of the molding sand compacted at the bottom of the buffer bucket shows signs of loosening and is gradually stirred up, so that the blockage point is cleared little by little, and the continuous supply of molding sand is restored during molding, avoiding molding failure caused by poor supply of molding sand, and controlling the expansion and contraction of two telescopic cylinders to achieve the purpose of controlling the flow rate of molding sand at the bottom outlet of the buffer bucket. However, the device is not equipped with a device for observing the discharge amount. During molding, although the discharge speed of the molding sand can be controlled, the amount of molding sand cannot be accurately controlled, which may cause excessive use of molding sand during molding, thereby resulting in waste of molding sand. Utility Model Content

[0005] In view of the shortcomings of the prior art, the present application provides a molding sand buffer bucket for steel preparation, which has the advantages of easy control of dosage, etc., and solves the problem that the device is not equipped with a device for observing the discharge amount. During molding, although the discharge speed of the molding sand can be controlled, the amount of molding sand cannot be accurately controlled, which may cause excessive use of molding sand during molding, thereby leading to waste of molding sand.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a molding sand buffer hopper for steel preparation, comprising a funnel, wherein four connecting columns are fixedly connected to the bottom end of the funnel, a material control box is fixedly connected to the bottom ends of the four connecting columns, a fixed plate is fixedly connected to one side of the material control box, two sleeves are fixedly connected to both sides of the bottom end of the fixed plate, a first rotating shaft is rotatably connected inside the two sleeves, a movable plate is fixedly connected to one side of the outer wall of the first rotating shaft, and a pressure sensor is fixedly connected to the upper end of the movable plate.

[0007] Through the above scheme, by setting the material control box, the movable plate and the pressure sensor, the molding sand can be first injected into the material control box, and when the molding sand enters the material control box, the molding sand entering the material control box is weighed by the pressure sensor, and the weight of the molding sand is displayed by the display device. The pressure sensor can also monitor the pressure on the movable plate in real time, so as to understand the accumulation and flow status of the molding sand. This helps to find potential blockage problems in time and take corresponding measures, and then open the movable plate to let the molding sand flow out.

[0008] Furthermore, baffles are fixedly connected on both sides of the material control box, the bottom end of one side of the baffle is fixedly connected to a first fixed seat, the first fixed seat is rotatably connected to a first rotating seat, one side of the first rotating seat is fixedly connected to an electric push rod, the telescopic end of the electric push rod is fixedly connected to a second rotating seat, the second rotating seat is rotatably connected to a second fixed seat, and the end of the second fixed seat away from the second rotating seat is fixedly connected to the movable plate.

[0009] Through the above solution, one end of the electric push rod is fixed to one side of the baffle, and the telescopic end is fixedly connected to the movable plate. The electric push rod is telescopically extended to control the opening and closing angle of the movable plate.

[0010] Furthermore, a display screen is fixedly connected to one side of the material control box.

[0011] Through the above solution, the display screen can display key parameters such as molding sand flow rate and weight in real time, allowing operators to observe them intuitively.

[0012] Furthermore, a discharge pipe is fixedly connected to the bottom end of the funnel.

[0013] Through the above scheme, the discharge pipe is used to discharge the molding sand.

[0014] Furthermore, an upper cover is fixedly connected to the upper end of the funnel, a movable cover is rotatably connected to one side of the upper cover through a hinge, a handle is fixedly connected to one side of the upper end of the movable cover, and a motor is fixedly connected to the upper end of the upper cover.

[0015] Through the above scheme, the motor is used to provide power for the stirring device.

[0016] Furthermore, the output end of the motor passes through the upper cover and is fixedly connected to a second rotating shaft through a coupling, two stirring blades are fixedly connected to the outer wall of the second rotating shaft, a guide block is fixedly connected to the bottom end of the second rotating shaft, and a screw is fixedly connected to the bottom end of the guide block.

[0017] Through the above scheme, the stirring blade is used to stir and disperse the accumulated molding sand, the guide block is used to make the molding sand fall more evenly in the funnel, and the screw is used to transport the molding sand to the bottom end of the discharge pipe.

[0018] Furthermore, the discharge pipe is arranged to penetrate the upper end of the material control box.

[0019] Through the above scheme, the molding sand is discharged from the discharge pipe and then directly falls into the control box.

[0020] Furthermore, the screw is rotatably arranged inside the discharge pipe.

[0021] Through the above scheme, the screw rotates in the discharge pipe to actively discharge the molding sand.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The sand buffer hopper for steel preparation can first inject the sand into the control box through the arrangement of the control box, the movable plate and the pressure sensor. When the sand enters the control box, the pressure sensor weighs the sand entering the control box, and the weight of the sand is displayed through the display device. The pressure sensor can also monitor the pressure on the movable plate in real time, so as to understand the accumulation and flow state of the sand. This helps to find potential blockage problems in time and take corresponding measures, and then open the movable plate to let the sand flow out. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of this application;

[0025] Figure 2 This is a schematic diagram of the material control box structure of the present application;

[0026] Figure 3 A schematic diagram of the stirring structure of the present application;

[0027] Figure 4 This is a schematic diagram of the internal structure of the funnel of the present application.

[0028] In the figure:

[0029] 1. Funnel; 2. Connecting column; 3. Material control box; 4. Fixed plate; 5. Bushing; 6. First rotating shaft; 7. Movable plate; 8. Baffle; 9. First fixed seat; 10. First rotating seat; 11. Electric push rod; 12. Second rotating seat; 13. Second fixed seat; 14. Pressure sensor; 15. Display screen; 16. Discharge pipe; 17. Upper cover; 18. Movable cover; 19. Handle; 20. Motor; 21. Second rotating shaft; 22. Stirring blade; 23. Guide block; 24. Screw. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] See also Figure 1 , Figure 2 and Figure 3 In this embodiment, a molding sand buffer hopper for steel preparation includes a funnel 1, four connecting columns 2 are fixedly connected to the bottom end of the funnel 1, and a material control box 3 is fixedly connected to the bottom end of the four connecting columns 2. The material control box 3 is fixed to the bottom end of the funnel 1 through the connecting columns 2, and a fixed plate 4 is fixedly connected to one side of the material control box 3. Two shaft sleeves 5 are fixedly connected to both sides of the bottom end of the fixed plate 4. The two shaft sleeves 5 are rotatably connected to a first rotating shaft 6 inside, and a movable plate 7 is fixedly connected to one side of the outer wall of the first rotating shaft 6. The movable plate 7 rotates in the shaft sleeve 5 through the rotating shaft so that the movable plate 7 can be flipped. A pressure sensor 14 is fixedly connected to the upper end of the movable plate 7. The pressure sensor 14 is used to observe the weight of the molding sand in the material control box 3.

[0032] See also Figure 2 , baffles 8 are fixedly connected to both sides of the material control box 3, a first fixed seat 9 is fixedly connected to the bottom end of one side of the baffle 8, a first rotating seat 10 is rotatably connected inside the first fixed seat 9, an electric push rod 11 is fixedly connected to one side of the first rotating seat 10, a second rotating seat 12 is fixedly connected to the telescopic end of the electric push rod 11, a second rotating seat 12 is rotatably connected inside the second rotating seat 12, an end of the second fixed seat 13 away from the second rotating seat 12 is fixedly connected to the movable plate 7, one end of the electric push rod 11 is fixed to one side of the baffle 8, and the telescopic end is fixedly connected to the movable plate 7, and the opening and closing angle of the movable plate 7 is controlled by the telescopic extension of the electric push rod 11.

[0033] See also Figure 1 and Figure 4 A display screen 15 is fixedly connected to one side of the material control box 3. The display screen 15 can display key parameters such as the flow rate and weight of the molding sand in real time, so that the operator can observe intuitively. A discharge pipe 16 is fixedly connected to the bottom of the funnel 1. The discharge pipe 16 is used to discharge the molding sand. An upper cover 17 is fixedly connected to the upper end of the funnel 1. A movable cover 18 is rotatably connected to one side of the upper cover 17 through a hinge. A handle 19 is fixedly connected to one side of the upper end of the movable cover 18. A motor 20 is fixedly connected to the upper end of the upper cover 17. The motor 20 is used to provide power for the stirring device.

[0034] See also Figure 3 and Figure 4The output end of the motor 20 passes through the upper cover 17 and is fixedly connected to the second rotating shaft 21 through a coupling. Two stirring blades 22 are fixedly connected to the outer wall of the second rotating shaft 21. A guide block 23 is fixedly connected to the bottom end of the second rotating shaft 21. A screw 24 is fixedly connected to the bottom end of the guide block 23. The stirring blade 22 is used to stir and disperse the accumulated molding sand. The guide block 23 is used to make the molding sand fall more evenly in the funnel 1. The screw 24 is used to transport the molding sand to the bottom end of the discharge pipe 16. The discharge pipe 16 is arranged to pass through the upper end of the control box 3. The molding sand is discharged from the discharge pipe 16 and then directly falls into the control box 3. The screw 24 is rotatably arranged inside the discharge pipe 16. The screw 24 rotates inside the discharge pipe 16 to actively discharge the molding sand.

[0035] In this embodiment, the sand buffer hopper for steel preparation can first inject the sand into the control box 3 by setting the control box 3, the movable plate 7 and the pressure sensor 14. When the sand enters the control box 3, the pressure sensor 14 weighs the sand entering the control box 3, and the weight of the sand is displayed by the display device. The pressure sensor 14 can also monitor the pressure on the movable plate 7 in real time, so as to understand the accumulation and flow state of the sand. This helps to find potential blockage problems in time and take corresponding measures, and then open the movable plate to let the sand flow out.

[0036] It should be noted that the baffle plate 8 is used to prevent the molding sand from leaking from both sides of the top plate when the movable plate 7 is turned over.

[0037] The working principle of the above embodiment is:

[0038] First, the operator adds the molding sand through the top of the funnel 1. After the molding sand enters the funnel 1, it will first encounter the second rotating shaft 21 driven by the motor 20 and the stirring blade 22 thereon. The stirring blade 22 will rotate continuously to prevent the molding sand from caking or clogging inside the funnel 1. The stirred molding sand will continue to fall and encounter the guide block 23 at the bottom of the second rotating shaft 21. The design of the guide block 23 allows the molding sand to be more evenly distributed during the falling process to avoid excessive accumulation in certain areas. The molding sand enters the control box 3 through the discharge pipe 16. Inside the discharge pipe 16, the screw 24 will rotate continuously to help push the molding sand into the control box 3. The design of the control box 3 allows the molding sand to be temporarily stored and flow out through the opening at the bottom. When the molding sand enters the control box 3, it will press the pressure sensor 14. The pressure sensor 14 at the upper end of the movable plate 7 will monitor the weight of the molding sand in real time and display this information through the display screen 15. The operator can judge the flow state of the molding sand based on this information. When the flow of the molding sand needs to be adjusted, the operator can change the opening and closing angle of the movable plate 7 by controlling the extension and retraction of the electric push rod 11. One end of the electric push rod 11 is fixed on the baffle 8, and the other end is connected to the movable plate 7. Through the extension and retraction of the electric push rod 11, the outflow of the molding sand from the bottom of the control box 3 can be flexibly controlled.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A molding sand buffer hopper for steel production, comprising a hopper (1), characterized in that: The bottom end of the funnel (1) is fixedly connected to four connecting columns (2), the bottom ends of the four connecting columns (2) are fixedly connected to a material control box (3), one side of the material control box (3) is fixedly connected to a fixed plate (4), two shaft sleeves (5) are fixedly connected to both sides of the bottom end of the fixed plate (4), a first rotating shaft (6) is rotatably connected inside the two shaft sleeves (5), one side of the outer wall of the first rotating shaft (6) is fixedly connected to a movable plate (7), and the upper end of the movable plate (7) is fixedly connected to a pressure sensor (14).

2. The molding sand buffer hopper for steel production according to claim 1, characterized in that: Baffles (8) are fixedly connected to both sides of the material control box (3); a first fixed seat (9) is fixedly connected to the bottom end of one side of the baffle (8); a first rotating seat (10) is rotatably connected inside the first fixed seat (9); an electric push rod (11) is fixedly connected to one side of the first rotating seat (10); a telescopic end of the electric push rod (11) is fixedly connected to a second rotating seat (12); a second fixed seat (13) is rotatably connected inside the second rotating seat (12); an end of the second fixed seat (13) away from the second rotating seat (12) is fixedly connected to the movable plate (7).

3. The molding sand buffer hopper for steel production according to claim 1, characterized in that: A display screen (15) is fixedly connected to one side of the material control box (3).

4. The molding sand buffer hopper for steel production according to claim 1, characterized in that: A discharge pipe (16) is fixedly connected to the bottom end of the funnel (1).

5. The molding sand buffer hopper for steel production according to claim 1, characterized in that: The upper end of the funnel (1) is fixedly connected to an upper cover (17), one side of the upper cover (17) is rotatably connected to a movable cover (18) via a hinge, one side of the upper end of the movable cover (18) is fixedly connected to a handle (19), and the upper end of the upper cover (17) is fixedly connected to a motor (20).

6. The molding sand buffer hopper for steel production according to claim 5, characterized in that: The output end of the motor (20) passes through the upper cover (17) and is fixedly connected to a second rotating shaft (21) via a coupling; two stirring blades (22) are fixedly connected to the outer wall of the second rotating shaft (21); a guide block (23) is fixedly connected to the bottom end of the second rotating shaft (21); and a screw rod (24) is fixedly connected to the bottom end of the guide block (23).

7. The molding sand buffer hopper for steel production according to claim 4, characterized in that: The material discharge pipe (16) is arranged through the upper end of the material control box (3).

8. The molding sand buffer hopper for steel production according to claim 6, characterized in that: The screw (24) is rotatably arranged inside the discharge pipe (16).

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