Automatic discharging weighing machine for casting

Abstract

The utility model discloses an automatic blanking weighing machine for casting, which belongs to the technical field of evanescent mode cast iron casting and comprises a bottom plate, a material pushing trolley is arranged in the bottom plate, and four material barrel supporting legs are uniformly and fixedly welded at the top of the bottom plate. Four pressure sensors are fixedly connected to the bottoms of the four charging basket supporting legs respectively, air springs are fixedly connected to the tops of the four charging basket supporting legs respectively, a charging barrel is fixedly connected to the inner sides of the four air springs, a discharging opening is formed in the bottom of the charging barrel, and variable-frequency vibration motors are fixedly connected to the two sides of the bottom of the charging barrel respectively; according to the alloy quantitative discharging device, quantitative discharging of alloy can be achieved, the weighing problem is effectively solved, meanwhile, an operator carries the alloy through the pushing trolley, and the labor intensity of the operator is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lost foam cast iron casting, and more specifically to an automatic blanking weighing machine for casting. Background Art

[0002] The casting process for automotive stamping dies involves nine major steps, of which smelting molten iron is the most critical. The smelting process requires composition adjustment. Cast iron products are made by melting a combination of pig iron, scrap steel, recarburizer, ferrosilicon, ferromanganese, ferrochrome, copper alloy, ferromolybdenum, nickel alloy, inoculant, and spheroidizer. Due to varying product technical requirements and composition, operators are required to adjust the alloy composition of the molten iron according to operational instructions. The alloys required by the technical specifications must be weighed and placed into the smelting furnace. Since the alloys are customized by each smelter in terms of size and shape, no machine can match the specific requirements. Most foundries perform manual weighing and placement, which increases the labor intensity of operators. Therefore, machines that improve operational methods are urgently needed.

[0003] Based on the above, the inventors discovered that the metal smelting industry has the most arduous working environment among various industries in the country. Operators work under various environmental factors such as high temperature, dust, and odor. The composition adjustment in the smelting process is to put various alloys into the melting furnace. It is not only physically demanding to put them in, but also to calculate, weigh, move, and even crush them in the early stage to adjust the qualified product composition. Therefore, in view of this, the inventors have studied and improved the existing structure and provided an automatic unloading weighing machine for casting, in order to achieve the purpose of greater practical value. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In response to the problems existing in the prior art, the purpose of the utility model is to provide an automatic unloading weighing machine for casting, which solves the weighing and moving problems in the manual process, can weigh and transfer alloys more quickly and labor-savingly, and reduces the labor intensity of operators.

[0006] 2. Technical solution

[0007] In order to solve the above problems, the present invention adopts the following technical solutions.

[0008] An automatic unloading weighing machine for casting comprises a base plate, a pushing trolley is arranged inside the base plate, four bucket supporting legs are evenly fixedly welded on the top of the base plate, four pressure sensors are fixedly connected to the bottoms of the four bucket supporting legs, air springs are fixedly connected to the tops of the four bucket supporting legs, a charging barrel is fixedly connected to the inner sides of the four air springs, a discharge port is provided at the bottom of the charging barrel, variable frequency vibration motors are fixedly connected to the two sides of the bottom of the charging barrel, a hydraulic push rod is fixedly connected to the outer side of the discharge port through a fixed plate, a discharging push plate is fixedly connected to one side of the telescopic rod of the hydraulic push rod, and a discharging operating disk is fixedly connected to one side of the top of the base plate.

[0009] Furthermore, a handrail is fixedly connected to one side of the pushing trolley, and four rollers are fixedly welded to the bottom of the pushing trolley.

[0010] Furthermore, the bottom of the charging barrel is recessed, and the pushing trolley is located directly below the discharge port.

[0011] Furthermore, a chute is provided on one side of the discharge port, and one end of the discharge push plate is located inside the chute.

[0012] Furthermore, the discharging push plate is slidably connected to the surface of the fixed plate, and the discharging push plate is slidably connected to the inside of the discharging port.

[0013] Furthermore, the length of the variable frequency vibration motor is greater than the width of the discharge port, and a buffer pad is provided on the inner bottom of the pushing trolley.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) This solution sets a hydraulic push rod, which is connected to a discharge push plate in a sliding manner inside the chute of the discharge port. The hydraulic push rod slides inside the discharge port, so that the alloy inside the charging barrel can be quantitatively discharged. This improves the manual weighing, handling, and feeding in the existing technology, reduces the labor intensity of the operators, and plays a vital role for the enterprise and its workers.

[0017] (2) This solution sets a pressure sensor, which is fixedly connected to the bottom of the four barrel support legs. The amount of alloy discharge, the receiving device of the pressure sensor, and the frequency modulation device of the PLC are used to collect the weight in real time. This utility model can effectively solve the problems of slow weighing and difficult transportation. The automatic weighing operation is simple, maintenance is simple, and safety is high. It effectively improves the labor intensity of the operator, reduces the economic losses of the enterprise caused by errors in weighing operations, and achieves a win-win situation for the enterprise and employees. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a front view of the utility model;

[0020] Figure 3 It is a top view of the utility model;

[0021] Figure 4 It is a left view of the present utility model.

[0022] Description of the numbers in the figure:

[0023] 1. Bottom plate; 2. Pushing trolley; 3. Bucket support legs; 4. Pressure sensor; 5. Air spring; 6. Loading barrel; 7. Discharge port; 8. Variable frequency vibration motor; 9. Hydraulic push rod; 10. Discharge push plate; 11. Discharge operation panel. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] Example:

[0026] See also Figure 1-4 , an automatic unloading weighing machine for casting, comprising a base plate 1, a pushing trolley 2 is arranged inside the base plate 1, four barrel support legs 3 are evenly fixedly welded on the top of the base plate 1, four barrel support legs 3 are fixedly connected to the bottom of each of the four pressure sensors 4, the tops of the four barrel support legs 3 are fixedly connected to air springs 5, the inner sides of the four air springs 5 ​​are fixedly connected to a charging barrel 6, a discharge port 7 is provided at the bottom of the charging barrel 6, variable frequency vibration motors 8 are fixedly connected to both sides of the bottom of the charging barrel 6, a hydraulic push rod 9 is fixedly connected to the outer side of the discharge port 7 through a fixed plate, the hydraulic push rod 9 A discharge push plate 10 is fixedly connected to one side of the telescopic rod, a discharge operation panel 11 is fixedly connected to the top side of the bottom plate 1, and a pressure sensor 4 is fixedly connected to the bottom of the four barrel support legs 3. The amount of alloy discharged, the receiving device of the pressure sensor 4, and the frequency modulation device of the PLC are used to achieve the function of real-time weight collection. This utility model can effectively solve the problems of slow weighing and difficult transportation. The automatic weighing operation is simple, the maintenance is simple, and the safety is high. It effectively improves the labor intensity of the operator, reduces the economic losses of the enterprise caused by errors in personnel weighing operations, and achieves a win-win situation for the enterprise and employees.

[0027] See Figure 2 A handrail is fixedly connected to one side of the pushing trolley 2, and four rollers are fixedly welded to the bottom of the pushing trolley 2; the bottom of the charging barrel 6 is sunken, and the pushing trolley 2 is located directly below the discharge port 7. The pushing trolley 2 is placed directly below the discharge port 7, and the unloaded alloy falls into the interior of the pushing trolley 2. The operator can directly push it out through the handle and the rollers at the bottom of the pushing trolley 2, which is convenient for the operator to transport the alloy away and has strong practicality.

[0028] See Figure 3 A chute is provided on one side of the discharge port 7, and one end of the discharge push plate 10 is located inside the chute; the discharge push plate 10 is slidably connected to the surface of the fixed plate, and the discharge push plate 10 is slidably connected to the inside of the discharge port 7, and a discharge push plate 9 is slidably connected inside the chute of the discharge port 7. The hydraulic push rod 10 slides inside the discharge port 7, and the alloy inside the charging barrel 6 can be quantitatively unloaded, which improves the manual weighing, handling, and feeding in the existing technology, reduces the labor intensity of the operators, and plays a vital role for the enterprise and its workers.

[0029] See Figure 4 The length of the variable frequency vibration motor 8 is greater than the width of the discharge port 7. A buffer pad is provided at the inner bottom of the pushing trolley 2. In order to avoid direct collision between the alloy and the inner bottom of the pushing trolley 2, a buffer pad is provided at the inner bottom of the pushing trolley 2 to avoid splashing of the alloy and to avoid the phenomenon that the measured value is different from the actual alloy mass.

[0030] When in use: the device is placed in a horizontal position, and raw materials such as alloys are placed in the charging barrel 6 11. After calculation according to the product technical process parameters, the preset required alloy value is entered by controlling the rotary knob of the discharge operation panel 11, and the PLC in the discharge operation panel 11 controls the vibration of the variable frequency vibration motor 8, and the PLC controls the hydraulic push rod 9 to open and close the discharge push plate 10 to achieve the alloy being shaken into the receiving trolley 2, and the pressure sensor 4 under the barrel support leg 3 is fed back to the PLC in the discharge control panel 11 to achieve fixed value discharge, so that the worker can automatically discharge the alloy and transport it to the side of the smelting furnace through the receiving trolley 2, and put the alloy into the furnace. The utility model is a process used in the smelting process of lost foam automobile drawing die castings, which effectively solves the problems of slow weighing and difficult transportation. The automatic weighing operation is simple, maintenance is simple, and safety is high. It effectively improves the labor intensity of the operator and reduces the economic losses of the enterprise caused by errors in personnel weighing operations.

[0031] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. An automatic unloading weighing machine for casting, comprising a base plate (1), a pusher trolley (2) is arranged inside the base plate (1), four barrel support legs (3) are evenly fixedly welded to the top of the base plate (1), four pressure sensors (4) are fixedly connected to the bottoms of the four barrel support legs (3), and air springs (5) are fixedly connected to the tops of the four barrel support legs (3), characterized in that: The inner sides of the four air springs (5) are fixedly connected to a charging barrel (6), a discharge port (7) is provided at the bottom of the charging barrel (6), and variable frequency vibration motors (8) are fixedly connected to both sides of the bottom of the charging barrel (6), and a hydraulic push rod (9) is fixedly connected to the outer side of the discharge port (7) through a fixed plate, and a discharge push plate (10) is fixedly connected to one side of the telescopic rod of the hydraulic push rod (9), and a discharge operation disk (11) is fixedly connected to one side of the top of the bottom plate (1).

2. The automatic unloading and weighing machine for casting according to claim 1, characterized in that: A handrail is fixedly connected to one side of the pusher trolley (2), and four rollers are fixedly welded to the bottom of the pusher trolley (2).

3. The automatic unloading and weighing machine for casting according to claim 1, characterized in that: The bottom of the charging barrel (6) is recessed, and the pushing trolley (2) is located directly below the discharge port (7).

4. The automatic unloading and weighing machine for casting according to claim 1, characterized in that: A chute is provided on one side of the discharge port (7), and one end of the discharge push plate (10) is located inside the chute.

5. The automatic unloading and weighing machine for casting according to claim 1, characterized in that: The discharging push plate (10) is slidably connected to the surface of the fixed plate, and the discharging push plate (10) is slidably connected to the inside of the discharging port (7).

6. The automatic unloading and weighing machine for casting according to claim 1, characterized in that: The length of the variable frequency vibration motor (8) is greater than the width of the discharge port (7), and a buffer pad is provided on the inner bottom of the pushing trolley (2).

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