A scrap iron press for a steel mill laboratory

Abstract

The application relates to a scrap iron column crusher for a steel plant laboratory and relates to the technical field of experimental equipment in the metallurgical industry. The application comprises a chassis, a column pushing device, a column placing device, a scrap cutting device and a secondary tearing device; a plurality of tool holders are arranged on a rotating disc, and a plurality of cutters are arranged on each tool holder; the cutters are different in distance from the axis of the rotating disc, and when the rotating disc rotates, the end face of the cylindrical scrap iron column is guaranteed to be completely broken under the action of the cutters; during the working process, the end face of the scrap iron column is pressed by a pressing disc under the action of spring force, so that the materials in the loose part of the scrap iron column can also be cut off; the secondary tearing device can further crush the larger particle size of the missed scrap materials contained in the crushed materials falling into the tearing mechanism bin; the application is used for sampling work of the scrap iron column in the laboratory, labor intensity of workers is reduced, and the working efficiency of the laboratory is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of experimental equipment in the metallurgical industry, in particular to a scrap iron column breaking machine for a steelmaking plant laboratory. BACKGROUND

[0002] In the mechanical processing industry, a large amount of iron scraps will be generated in the production processes of turning, milling and planing, etc. These iron scraps will generally be re-smelted by a steelmaking plant. In order to facilitate storage and transportation, the iron scraps will be directly cold-pressed into cylindrical columns by high pressure. Before the steelmaking production process, in order to ensure the quality of the finished steel, the quality of the iron scrap columns needs to be detected. During the detection, the iron scrap columns need to be manually broken by an iron hammer for sampling. During the sampling process, the labor intensity of the workers is large, time-consuming and laborious, and the work efficiency is low.

[0003] In the Chinese patent with the publication number CN 211726043 U and the name of high-efficiency scrap iron shearing and breaking machine, a technical solution for breaking scattered iron scraps and other metal materials is disclosed. Since the volume of the iron scrap column is large, the invention is not suitable for breaking the iron scrap column.

[0004] Therefore, it is necessary to develop a scrap iron column breaking machine for a steelmaking plant laboratory to sample and break the cylindrical iron scrap column by using a mechanical cutting device, so as to reduce the labor intensity of the workers and improve the work efficiency. SUMMARY

[0005] The purpose of the present application is to provide a scrap iron column breaking machine for a steelmaking plant laboratory, which facilitates the breaking and sampling of the iron scrap column in the laboratory of the steelmaking plant.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] A scrap iron column breaking machine for a steelmaking plant laboratory, comprising a chassis, a column pushing device, a column placing device, a cutting device and a secondary tearing device; the column pushing device, the column placing device, the cutting device and the secondary tearing device are all installed on the chassis, the scrap iron column is placed on the column placing device, and the column pushing device feeds the scrap iron column to the cutting device for cutting, and the broken material after cutting falls into the secondary tearing device for secondary tearing.

[0008] The scrap iron column breaking machine for a steelmaking plant laboratory, the column pushing device comprises an electro-hydraulic cylinder motor, an electro-hydraulic cylinder support one, an electro-hydraulic cylinder, an electro-hydraulic cylinder top rod, a top disc, an electro-hydraulic cylinder support two; the electro-hydraulic cylinder support one and the electro-hydraulic cylinder support two are installed on the chassis, the electro-hydraulic cylinder motor is installed on the electro-hydraulic cylinder support one, the left end of the electro-hydraulic cylinder is installed on the electro-hydraulic cylinder support one, and the right end is installed on the electro-hydraulic cylinder support two, and the right end of the electro-hydraulic cylinder top rod is provided with the top disc.

[0009] The iron chip pressure column crusher for the steel plant laboratory, the pressure column placing device includes a pressure column seat, a long hole, a fixed bottom plate, an arc plate support and an arc plate.

[0010] The iron chip pressure column crusher for the steel plant laboratory, the contact parts of the pressure column seat and the two arc plates with the iron chip pressure column are provided with arc surfaces matched with the outer surface of the cylindrical iron chip pressure column.

[0011] The iron chip pressure column crusher for the steel plant laboratory, the chip cutting device includes a crushing motor, a cutter fixing mechanism and a material pressing mechanism; the crushing motor is installed on the bottom frame to drive the cutter fixing mechanism and the material pressing mechanism to rotate; the cutter fixing mechanism includes a rotating disc, a cutter, a cutter holder, a bolt hole and a cutter fastening bolt; the rotating disc is installed on the power output shaft of the crushing motor and is provided with the bolt hole; the cutter holder is installed on the rotating disc; the cutter is installed on the cutter holder through the cutter fastening bolt; the material pressing mechanism includes a pressing disc, a spring and a limiting bolt; the spring is installed between the pressing disc and the rotating disc; the limiting bolt passes through the bolt hole and is fixed at the left end of the pressing disc and is fastened at the right end through a nut; the pressing disc is provided with a cutter passing groove; and the cutter can move left and right in the cutter passing groove.

[0012] The iron chip pressure column crusher for the steel plant laboratory, the secondary tearing device includes a tearing roller, a tearing mechanism material bin, a discharging port and a tearing roller motor; the tearing mechanism material bin is installed on the bottom frame and is provided with the discharging port below; the tearing roller is installed in the tearing mechanism material bin and includes two parallel rollers; each roller is provided with a tearing roller motor for independent driving.

[0013] The iron chip pressure column crusher for the steel plant laboratory, the top disc is provided with a sharp protrusion on the contact surface with the iron chip pressure column.

[0014] The iron chip pressure column crusher for the steel plant laboratory has the following advantages:

[0015] The iron scrap pressure column crusher for steel plant laboratory of the present application is provided with a plurality of tool holders on the rotating disc, and a plurality of cutters are arranged on each tool holder, and each cutter is different in size from the axis of the rotating disc, and when the rotating disc rotates, the broken end face of the cylindrical iron scrap pressure column is ensured to be completely broken under the action of the cutter; during the working process, the end face of the iron scrap pressure column is pressed by the pressing disc under the action of the spring force, so that the materials in the loose part of the iron scrap pressure column can also be cut off; the secondary tearing device can further crush the larger particle size of the missed crushed materials contained in the crushed material bin of the tearing mechanism; the sampling work of the iron scrap pressure column is carried out in the laboratory by using the present application, the labor intensity of the workers is reduced, and the working efficiency of the laboratory is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present application;

[0017] Figure 2 It is a F-F cross-sectional view;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the pressure column placing device;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the tearing roller;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the cutter fixing mechanism;

[0021] Figure 6 It is a structural schematic diagram of the pressing disc;

[0022] The respective reference numerals in the drawing represent: 1, base frame, 2, electro-hydraulic cylinder motor, 3, electro-hydraulic cylinder support one, 4, electro-hydraulic cylinder, 5, electro-hydraulic cylinder top rod, 6, top disc, 7, iron scrap pressure column, 8, pressure column placing device, 9, secondary tearing device, 10, tearing roller motor, 11, pressing disc, 12, spring, 13, rotating disc, 14, limit bolt, 15, crushed material motor, 16, electro-hydraulic cylinder support two, 17, cutter fixing mechanism, 8-1, pressure column seat, 8-2, long hole, 8-3, fixed bottom plate, 8-4, arc plate support, 8-5, arc plate, 9-1, tearing roller, 9-2, tearing mechanism crushed material bin, 9-3, discharging port, 11-1, cutter passing-out groove, 17-1, cutter, 17-2, tool holder, 17-3, bolt hole, 17-4, cutter fastening bolt. DETAILED DESCRIPTION

[0023] The present application will be further described below in combination with the drawings and examples.

[0024] The iron scrap pressure column crusher for steel plant laboratory of the present application is provided with a plurality of tool holders on the rotating disc, and a plurality of cutters are arranged on each tool holder, and each cutter is different in size from the axis of the rotating disc, and when the rotating disc rotates, the broken end face of the cylindrical iron scrap pressure column is ensured to be completely broken under the action of the cutter; during the working process, the end face of the iron scrap pressure column is pressed by the pressing disc under the action of the spring force, so that the materials in the loose part of the iron scrap pressure column can also be cut off; the secondary tearing device can further crush the larger particle size of the missed crushed materials contained in the crushed material bin of the tearing mechanism; the sampling work of the iron scrap pressure column is carried out in the laboratory by using the present application, the labor intensity of the workers is reduced, and the working efficiency of the laboratory is improved. Figure 1As shown, including the chassis 1, the pressure column pushing device, the pressure column placing device 8, the cutting device and the secondary shredding device 9; The chassis 1 is fixedly installed on the ground of the working site, the pressure column pushing device, the pressure column placing device 8, the cutting device and the secondary shredding device 9 are all installed on the chassis 1, the iron filings pressure column 7 is placed in the pressure column placing device 8, the iron filings pressure column 7 is pushed to the cutting device by using the pressure column pushing device, the iron filings pressure column 7 is cut in the cutting device, and the long and large materials left in the cutting process are shredded again through the secondary shredding device 9, thereby ensuring the first pass rate of the final sampling material.

[0025] The iron filings pressure column crusher for the steel plant laboratory of the present application, the pressure column pushing device comprises an electro-hydraulic cylinder motor 2, an electro-hydraulic cylinder support one 3, an electro-hydraulic cylinder 4, an electro-hydraulic cylinder top rod 5, a top disc 6 and an electro-hydraulic cylinder support two 16; The electro-hydraulic cylinder support one 3 and the electro-hydraulic cylinder support two 16 are installed on the chassis 1, the electro-hydraulic cylinder motor 2 is installed on the electro-hydraulic cylinder support one 3, the left end of the electro-hydraulic cylinder 4 is installed on the electro-hydraulic cylinder support one 3, and the right end is installed on the electro-hydraulic cylinder support two 16, the right end of the electro-hydraulic cylinder top rod 5 is provided with the top disc 6, a plurality of protrusions in the shape of wolf teeth are arranged on the top disc 6, and the function is to prevent the rotation of the iron filings pressure column 7 when pushing the iron filings pressure column 7 to the cutting device for cutting.

[0026] The iron filings pressure column crusher for the steel plant laboratory of the present application, the pressure column placing device 8 comprises a pressure column seat 8-1, a fixed bottom plate 8-3, an arc plate support 8-4 and an arc plate 8-5; The pressure column seat 8-1 and the fixed bottom plate 8-3 are both fastened on the chassis 1 by using fixed bolts, the arc plate support 8-4 is arranged on the fixed bottom plate 8-3, the arc plate 8-5 is arranged on the arc plate support 8-4, the fixed bottom plate 8-3 is provided with a long hole 8-2, the arc plate 8-5 is symmetrically arranged as two, and the relative position of the arc plate 8-5 is adjusted by using the fastening bolt through the long hole 8-2. When working, the iron filings pressure column 7 is placed on the pressure column seat 8-1, the arc plate 8-5 is adjusted so that the surface in contact with the iron filings pressure column 7 just contacts the surface of the iron filings pressure column 7, and the iron filings pressure column 7 moves to the right in the arc-shaped groove of the pressure column seat 8-1 under the pushing of the pressure column pushing device.

[0027] The iron chip pressing column crusher for a steel mill laboratory of the present application, the chip cutting device comprises a crushed material motor 15, a cutter fixing mechanism 17 and a pressing mechanism; the cutter fixing mechanism 17 comprises a rotating disc 13, a cutter 17-1, a cutter holder 17-2, a bolt hole 17-3 and a cutter fastening bolt 17-4; the crushed material motor 15 and a speed reducer are installed on the underframe 1 and used to drive the cutter 17-1 to rotate and cut the iron chip pressing column 7; the cutter 17-1 is installed on the cutter holder 17-2 through the cutter fastening bolt 17-4; the cutter holder 17-2 is installed on the rotating disc 13; the rotating disc 13 is installed on the power output shaft of the crushed material motor 15; since the iron chip pressing column 7 is inevitably unevenly dense when being pressed and formed, the cutter 17-1 cannot cut the loose part when cutting it, therefore, the pressing mechanism is arranged in the present application, the pressing mechanism comprises a pressing disc 11, a spring 12 and a limiting bolt 14, the spring 12 is installed between the pressing disc 11 and the rotating disc 13, the limiting bolt 14 is fixed with the pressing disc 11 at the left end and fastened with two nuts at the right end after penetrating through the bolt hole 17-3 on the rotating disc 13 to position the pressing disc 11, the cutter 17-1 moves left and right in the cutter passing-out groove 11-1 arranged on the pressing disc 11; when working, the pressing disc 11 presses the end face of the iron chip pressing column 7 under the action of the spring force, the cutter 17-1 extends from the cutter passing-out groove 11-1 to cut, and the cutting rate is greatly improved under the pressing action of the pressing disc 11.

[0028] The iron chip pressing column crusher for a steel mill laboratory of the present application is also provided with a secondary tearing device 9, which comprises tearing rollers 9-1, a tearing mechanism material bin 9-2, a discharging port 9-3 and a tearing roller motor 10; the tearing mechanism material bin 9-2 is installed on the underframe 1 and provided with the discharging port 9-3 below, the tearing rollers 9-1 are installed in the tearing mechanism material bin 9-2 and comprise two parallel rollers, each of which is separately driven by the tearing roller motor 10. Since the iron chips produced by a machining machine tool are long and filamentous, the distribution state of these filamentous iron chips in the iron chip pressing column 7 is chaotic when the iron chip pressing column 7 is pressed and formed, the cutter 17-1 cannot cut these filamentous iron chips when the filamentous iron chips happen to be distributed along the circumference of the iron chip pressing column 7, at this time, the filamentous iron chips falling into the tearing mechanism material bin 9-2 are torn by the secondary tearing device 9. In order to improve the tearing efficiency of the secondary tearing device 9, the two tearing rollers 9-1 are set to different rotating speeds, i.e. one is fast and the other is slow.

[0029] The iron chip pressing column crusher for a steel mill laboratory of the present application is provided with a sharp protrusion on the contact surface between the top disc 6 and the iron chip pressing column 7, which can prevent the rotation of the iron chip pressing column 7 during the cutting operation.

Claims

1. A steel mill laboratory iron filings crusher, characterized in that: The device includes a base frame (1), a pressure column pushing device, a pressure column placing device (8), a chip cutting device, and a secondary shredding device (9). The pressure column pushing device, the pressure column placing device (8), the chip cutting device, and the secondary shredding device (9) are all installed on the base frame (1). The iron chip pressure column (7) is placed on the pressure column placing device (8) and pushed by the pressure column pushing device to the chip cutting device for cutting. The cut material falls into the secondary shredding device (9) for secondary shredding. The chip cutting device includes a chip motor (15), a tool fixing mechanism (17), and a pressing mechanism. The chip motor (15) is installed on the base frame (1) and drives the tool fixing mechanism (17) and the pressing mechanism to rotate. The tool fixing mechanism (17) includes a turntable (13), a tool (17-1), a tool holder (17-2), and bolt holes (1). 7-3) Tool fastening bolt (17-4), turntable (13) is installed on the power output shaft of crushing motor (15), bolt hole (17-3) is provided on turntable (13), tool holder (17-2) is installed on turntable (13), tool (17-1) is installed on tool holder (17-2) through tool fastening bolt (17-4); the pressing mechanism includes pressure plate (11), spring (12) and limit bolt (14), spring (12) is installed between pressure plate (11) and turntable (13), the left end of limit bolt (14) is fixed together with pressure plate (11), and the right end passes through bolt hole (17-3) and is fastened by nut, tool through slot (11-1) is provided on pressure plate (11), tool (17-1) can move left and right and is accommodated in tool through slot (11-1).

2. The steel mill laboratory iron filings crusher according to claim 1, characterized in that: The pressure column pushing device includes an electro-hydraulic cylinder motor (2), an electro-hydraulic cylinder support one (3), an electro-hydraulic cylinder (4), an electro-hydraulic cylinder push rod (5), a top plate (6), and an electro-hydraulic cylinder support two (16). The electro-hydraulic cylinder support one (3) and the electro-hydraulic cylinder support two (16) are mounted on the base frame (1), the electro-hydraulic cylinder motor (2) is mounted on the electro-hydraulic cylinder support one (3), the left end of the electro-hydraulic cylinder (4) is mounted on the electro-hydraulic cylinder support one (3), the right end is mounted on the electro-hydraulic cylinder support two (16), and the top plate (6) is mounted on the right end of the electro-hydraulic cylinder push rod (5).

3. The steel mill laboratory iron filings crusher according to claim 1, characterized in that: The pressure column placement device (8) includes a pressure column seat (8-1), an elongated hole (8-2), a fixed base plate (8-3), an arc-shaped plate bracket (8-4), and an arc-shaped plate (8-5). The pressure column seat (8-1) is installed on the base frame (1) using fasteners. Two arc-shaped plates (8-5) are provided symmetrically, both of which are installed on the arc-shaped plate bracket (8-4). The arc-shaped plate bracket (8-4) is installed on the fixed base plate (8-3). An elongated hole (8-2) is provided on the fixed base plate (8-3). The fixed base plate (8-3) is fixed on the base frame (1) using fasteners. The installation position of the fixed base plate (8-3) is adjusted through the elongated hole (8-2).

4. The steel mill laboratory iron filings crusher according to claim 3, characterized in that: The contact points between the pressure column base (8-1) and the two arc plates (8-5) and the iron chip pressure column (7) are all provided with arc surfaces that match the outer surface of the cylindrical iron chip pressure column (7).

5. The steel mill laboratory iron filings crusher according to claim 1, characterized in that: The secondary shredding device (9) includes a shredding roller (9-1), a shredding mechanism hopper (9-2), a discharge port (9-3), and a shredding roller motor (10). The shredding mechanism hopper (9-2) is installed on the base frame (1), and a discharge port (9-3) is provided below it. The shredding roller (9-1) is installed in the shredding mechanism hopper (9-2) and includes two parallel rollers. Each roller is driven separately by a shredding roller motor (10).

6. A steel mill laboratory iron filings crusher according to claim 2, characterized in that: Spiked protrusions are provided on the contact surface between the top plate (6) and the iron filings pressure column (7).

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