Cast iron inoculant quantitative adding device

Abstract

The utility model relates to the technical field of cast iron manufacturing, in particular to a cast iron inoculant quantitative adding device which comprises a multi-stage screening unit and a plurality of discharging devices, the multi-stage screening unit comprises a shell, and a discharging port of the multi-stage screening unit is communicated with the discharging devices; the multi-stage screening unit at least comprises a first-stage screening unit and a second-stage screening unit, the first-stage screening unit and the second-stage screening unit divide the shell into three cavities, the first-stage screening unit and the second-stage screening unit are each provided with a screening net, and the models of the screening nets located in the first-stage screening unit and the models of the screening nets located in the second-stage screening unit are different. The blanking speed of the inoculant particles can be controlled more uniformly and stably, the feeding amount of the inoculant particles can be calculated more accurately through the flow speed and the time, and the influence of different flow speeds caused by different particle sizes on subsequent calculation of the feeding amount of the inoculant particles is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cast iron manufacturing technical field especially relates to a cast iron inoculant quantitative adding device. BACKGROUND

[0002] Cast iron usually needs to add inoculant to change the grain structure of cast iron to improve the strength and toughness of finished product during manufacturing, for this, the adding equipment of inoculant appears on the market, for example, the application number CN222274647U discloses a cast iron inoculant quantitative adding device, although the discontinuous defect of manual adding is solved.

[0003] But the adding equipment does not subdivide the added inoculant, thereby the speed and quantity of adding inoculant cannot be controlled more accurately. UTILITY MODEL CONTENT

[0004] The utility model discloses a cast iron inoculant quantitative adding device to solve the following shortcomings in the prior art, the added inoculant is not subdivided, thereby the speed and quantity of adding inoculant cannot be controlled more accurately.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A cast iron inoculant quantitative adding device, comprising a multistage screening unit and a plurality of discharging devices, the multistage screening unit comprises a shell, the discharge port of the multistage screening unit and the discharging device are communicated.

[0007] The multistage screening unit at least includes a primary screening unit and a secondary screening unit, the primary screening unit and the secondary screening unit divide the shell into three chambers, the primary screening unit and the secondary screening unit are provided with screening meshes, and the screening meshes in the primary screening unit and the secondary screening unit are different in model.

[0008] Preferably, the multistage screening unit is provided with a driving shaft, the driving shaft is provided in multiple sections, and the driving shaft is provided with a disturbance plate in the primary screening unit and the secondary screening unit.

[0009] Preferably, the driving shaft is provided in a multi-prism shape, the disturbance plate is provided with a mounting cavity matched with the shape of the driving shaft, the disturbance plate is inserted on the driving shaft, and the driving shaft is clamped between each section.

[0010] Preferably, each of the discharging devices comprises a discharging pipe, a discharging port of the discharging pipe is provided with a discharging valve, an assembling block is fixedly connected to the discharging pipe, a signal box is arranged on the assembling block, a switch motor for controlling opening and closing of the discharging valve is arranged in the signal box, and each of the chambers is communicated with a feeding port of the discharging pipe through a conveying pipe.

[0011] Preferably, a reciprocating bearing plate is mounted at a bottom end of each of the discharging devices, a reciprocating lead screw and a limiting rod are inserted into the reciprocating bearing plate, and a second servo motor is arranged at one end of the reciprocating lead screw.

[0012] Preferably, the conveying pipe is a corrugated pipe.

[0013] Compared with the prior art, the cast iron inoculant quantitative adding device has the following beneficial effects:

[0014] The discharging speed of the inoculant particles is more uniform and stable, and the amount of the inoculant particles is more accurate when calculated by flow rate and time, and the influence of different particle sizes on the amount of the inoculant particles is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A top view structural schematic diagram of the cast iron inoculant quantitative adding device is provided.

[0016] Figure 2 A right oblique view structural schematic diagram of the cast iron inoculant quantitative adding device is provided.

[0017] Figure 3 A front view structural schematic diagram of the cast iron inoculant quantitative adding device is provided.

[0018] Figure 4 A front view structural schematic diagram of the cast iron inoculant quantitative adding device is provided. Figure 3 A partial structural schematic diagram of the cast iron inoculant quantitative adding device is provided.

[0019] In the figure: 1 multi-stage screening unit, 2 driving shaft, 3 first-stage screening net, 4 disturbance plate, 5 conveying pipe, 6 reciprocating lead screw, 7 limiting rod, 8 reciprocating bearing plate, 9 signal box, 10 discharging valve, 11 discharging pipe, 12 assembling block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0021] The terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the utility model are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also considered as the scope of the utility model without substantial change of the technical content.

[0022] Referring to Figures 1-4 The utility model discloses a cast iron inoculant quantitative adding device, including including multistage screening unit 1 and a plurality of blanking device, the multistage screening unit 1 includes the casing, and the discharge port of multistage screening unit 1 is connected with blanking device, and the multistage screening unit 1 includes at least one level screening unit and two level screening unit, and the casing is divided into three chambers from top to bottom through two level screening, and each chamber is filled with inoculant particles of different particle diameters, and the screening net 3 in one level screening unit and two level screening unit is respectively called one level screening net and two level screening net, and the two models are different, and the hole diameter of one level screening net is 2mm, and the hole diameter of two level screening net is 1mm, so that the inoculant particles of 1-3mm can be subdivided, and the number of screening unit and the model of corresponding screening net 3 can be adjusted according to actual conditions, if the inoculant particle diameter is 2-6mm, four screening units can be set, and the inoculant particles are divided into 2mm, 3mm, 4mm, 5mm, 6mm, and if the inoculant particle diameter is 3-8mm, more screening units can be set to refine screening.

[0023] Among them, the driving shaft 2 is arranged in the multistage screening unit 1, and the driving shaft 2 is arranged in a multi-section shape and is arranged in a multi-prism shape, the number of sections and the number of chambers are matched, each driving shaft 2 is inserted and clamped together at the head and tail, the multi-section driving shaft 2 is convenient to disassemble and install, each driving shaft 2 is provided with a disturbance plate 4, one side of the disturbance plate 4 is also provided with a mounting cavity matched with the shape of the driving shaft 2, the disturbance plate 4 is inserted on the driving shaft 2, and one end of the driving shaft 2 is controlled to rotate by a first servo motor, wherein the first servo motor belongs to the prior art and is not shown.

[0024] The side wall of the bottom end of each chamber is communicated with a conveying pipe 5, one end of each conveying pipe 5 is connected with a blanking device, the blanking device includes a discharge pipe 11, the inlet of the discharge pipe 11 is communicated with one end of the conveying pipe 5, the other end of the discharge pipe 11 is provided with an open discharge valve 10, the discharge valve 10 can be opened like a door, or can be opened by translation, and the outer side wall of the discharge pipe 11 is fixedly connected with an assembly block 12, the assembly block 12 is provided with a signal box 9, the signal box 9 is provided with a starter, the starter can be a motor, a hydraulic cylinder, an extension cylinder and the like, mainly controls the opening and closing of the discharge valve 10, the starter can be controlled to start and close through signal transmission, the discharge valve 10, the starter and the equipment used for signal transmission belong to the prior art, and the specific working principle and connection relationship are not described in detail.

[0025] In addition, the bottom end of the discharge pipe 11 is provided with a reciprocating bearing plate 8, and the two are fixed by magnet adsorption or conventional fixing methods such as bolts, the reciprocating bearing plate 8 is provided with a reciprocating lead screw 6, one end of the reciprocating lead screw 6 is provided with a second servo motor, the second servo motor drives the reciprocating lead screw 6 to rotate, so that the reciprocating bearing plate 8 installed on the reciprocating lead screw 6 can reciprocate left and right, and the limiting rod 7 provided in the reciprocating bearing plate 8 is used to limit the degree of freedom of the reciprocating bearing plate 8, so that it can translate horizontally.

[0026] Taking the inoculant with a particle size of 1-3mm as an example, when the inoculant particles are sent into the multi-stage screening unit 1, the inoculant particles are screened by rotating the disturbance plate 4, the hole diameters of the different screening meshes 3 are different, so that the inoculant particles are subdivided into three particle sizes, 1mm, 2mm and 3mm, so that the particle sizes entering the different conveying pipes 5 are similar, and then the starter is used to open the discharge valve 10, since the particle sizes are similar, the flow rate is more stable, and then the inoculant particle feeding amount is calculated by flow rate and time, which is more accurate, and the influence of different particle sizes on the calculation of the inoculant particle feeding amount is reduced.

[0027] The second servo motor controls the rotation of the reciprocating lead screw 6, thereby controlling the position of the reciprocating bearing plate 8, so as to control the position of the discharging device, the position of the reciprocating bearing plate 8 can be adjusted according to the different positions of subsequent process equipment, thereby increasing the adaptability, and the conveying pipe 5 is a bellows pipe and can be elongated and contracted, thereby further cooperating with the movement of the position of the reciprocating bearing plate 8.

[0028] In the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for dosing an inoculant for cast iron, comprising a multistage screening unit (1) and a plurality of dosing devices, the multistage screening unit (1) comprising a housing, characterized in that The discharge port of the multi-stage screening unit (1) is communicated with the discharging device; The multi-stage screening unit (1) comprises at least a primary screening unit and a secondary screening unit, the primary screening unit and the secondary screening unit divide the shell into three chambers, the primary screening unit and the secondary screening unit are provided with screening meshes (3), and the screening meshes (3) in the primary screening unit and the secondary screening unit are different in type.

2. A device for dosing an inoculant for cast iron according to claim 1, characterized in that A driving shaft (2) is arranged in the multi-stage screening unit (1), the driving shaft (2) is provided in multiple sections, the driving shaft (2) is provided with a disturbing plate (4) in part of the primary screening unit and the secondary screening unit, and one end of the driving shaft (2) is provided with a first servo motor.

3. A device for dosing an inoculant for cast iron according to claim 2, characterized in that The driving shaft (2) is provided in a multi-prism shape, the disturbing plate (4) is provided with a mounting cavity matched with the shape of the driving shaft (2), the disturbing plate (4) is inserted on the driving shaft (2), and the driving shaft (2) is clamped between each section.

4. A device for dosing an inoculant for cast iron according to claim 3, characterized in that Each discharging device comprises a discharge pipe (11), a discharge valve (10) is arranged at the discharge port of the discharge pipe (11), an assembly block (12) is fixedly connected to the discharge pipe (11), a signal box (9) is arranged on the assembly block (12), a switch motor for controlling the opening and closing of the discharge valve (10) is arranged in the signal box (9), and each chamber is communicated with the inlet of the discharge pipe (11) through a conveying pipe (5).

5. A device for dosing an inoculant for cast iron according to claim 4, characterized in that A reciprocating bearing plate (8) is arranged at the bottom end of each discharging device, a reciprocating lead screw (6) and a limiting rod (7) are inserted in the reciprocating bearing plate (8), and one end of the reciprocating lead screw (6) is provided with a second servo motor.

6. A device for dosing an inoculant for cast iron according to claim 5, characterized in that The conveying pipe (5) is a corrugated pipe.

Images