CN101972838A

CN101972838A - Continuous casting production line

Info

Publication number: CN101972838A
Application number: CN201010527094XA
Authority: CN
Inventors: 程思明
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-17
Filing date: 2010-10-17
Publication date: 2011-02-16

Abstract

The invention provides a new technique of a continuous casting production line. The technique is characterized in that: in the double-power new technique with internal power as main power and external power as auxiliary power, when a spiral screw in a screw tube rotates at a low speed, the spiral screw is matched with molten metal cooled to a semi-crystalline glue shape in the screw tube to generate an extrusion force to extrude a metal product at the die orifice of a die out of the die orifice to a traction device and a cutter; the new technique can produce various continuous casting products of nonferrous metal and ferrous metal with different shapes, different specifications and unlimited extension; and the products can achieve high yield, small dimensional tolerance, no concave-convex defects on the surface, good luster, no pore, compact material structure, no damage of equipment; the diameter of the small products is less than 1 millimeter; and particularly, the new technique can fulfill the purposes of energy conservation and emission reduction, and has no waste loss or reduces waste loss.

Description

Continuous casting product line

Technical field

The present invention relates to a kind of continuous casting product line, especially can produce the non-ferrous metal and the unlimited casting traction products of extending of ferrous metal of various difformities, different size.

At present, the technology of known continuous casting product is, by crucible holding furnace insulation molten metal, unpowered molten metal is subjected to outer crystallizer cooling shaping in the dark section of mould from flowing to mould, and single being used as power by outer traction involves product in dark section of mould, but the cooling duration influences output; The dark section of mould is subjected to some factor affecting, the product tolerance is caught a cold shrink uneven, and product and mould will inevitably produce just overview just of the gap of not waiting, product quality, for guaranteeing product quality, can only amplify the product size tolerance and the second time and process; Some production technologies are to adopt discontinuous traction method to produce, and make product surface present uneven tarnish, and pore is many; Product is cooling shaping fully in the dark section of mould, the dark section setting of mould point, die orifice point and first group of towing point, as 3 not point-blank, will cause the mould damage and stop production.

Summary of the invention

In order to overcome the deficiency of existing continuous casting product line technology, the invention provides a kind of by the rotation of the helical screw in barrel generation extruding force, based on internally-powered, outer power is the double dynamical new technology of assisting, raw metal is squeezed out die orifice, enter draw-gear, cutting machine can be produced various difformities, different size, unlimited non-ferrous metal that extends and ferrous metal casting traction products can reach the output height, dimensional tolerance is little, surface no concave-convex defective good luster, pore-free, material-structure is intensive, and the miscellaneous goods diameter can be less than 1 millimeter, can not damage and stop production, particularly can reach energy-saving and emission-reduction and do not have waste material or reduce the entire loss that waste material causes.

The technical solution adopted for the present invention to solve the technical problems is: the continuous foundry production line of a cover is partly formed by 5: 1; automatically controlled; 2; intermediate frequency graphite melting stove; intermediate frequency graphite holding furnace; 3; main frame; 4; draw-gear; 5; cutting machine; electricly connect and control complete machine electrical equipment; intermediate frequency graphite melting stove internal layer is a graphite crucible; the external application metallic sheath is made protective layer; between graphite crucible and the metallic sheath intermediate frequency heater is set; intermediate frequency graphite holding furnace internal layer is a graphite crucible; the external application metallic sheath is made protective layer; between graphite crucible and the metallic sheath intermediate frequency heater is set; discharging opening is opened in intermediate frequency graphite holding furnace bottom; discharging opening adopts the blue barrel charging aperture that connects of connection connection; main frame stepless speed-regulating motor belt drives speed changer; the cross shaft joint; spiral graphite screw rod rotation; spiral graphite screw rod stabilizing base endoporus adopts rear rolling bearing; preceding single row conical bearing and the tight suit of spiral graphite screw rod back segment; after spiral graphite screw rod is divided into; preceding two sections; stabilizing base rolling bearing and single row conical bearing section are back segment; screw rod is made material with metal; the barrel section is a leading portion; screw rod is made material with graphite; the metal segments screw front end digs the graphite screw rod of endoporus with the tight suit barrel of biconjugate flat key section; spiral graphite screw surface between stabilizing base front end and the barrel rear end is provided with cooling bath; it is conical that spiral graphite screw front end section is; spiral graphite screw rod is sleeved in the barrel; barrel adopts graphite to make material; the external application metallic sheath is made protective layer; between graphite barrel and the metallic sheath intermediate frequency heater is set; the upper end is opened charging aperture and is adopted the blue intermediate frequency graphite holding furnace discharging opening that connects of connection connection behind the graphite barrel; graphite barrel charging aperture neck is provided with coolant jacket; graphite barrel charging aperture neck internal layer is made material with graphite; the external application metallic sheath is made protective layer; the barrel front end adopts concavo-convex blue connection of seam connection connection with die head; the die head internal layer adopts graphite to make material; the external application metallic sheath layer of going bail for; between die head graphite linings and the metallic sheath intermediate frequency heater is set; die head front end graphite outer surface is provided with coolant jacket; the die head endoporus is divided into compression section, back and preceding setting section; the main frame support adopts metal to make material; each parts of above-mentioned main frame are fastened on the main frame support; the stepless speed-regulating motor belt drive variator of device traction; rolling bearing; the haulage drum rotation; haulage drum divides multistage; many groups; the hop count of haulage drum and the group number be because of product big; little required tractive force and deciding; the support of draw-gear adopts metal to make material; each parts of above-mentioned draw-gear are fastened on the traction support; cutting machine; the die head endoporus of hollow product and special-shaped product is provided with current divider and die mandrel; current divider and die mandrel are made material with graphite; current divider and die mandrel can be divided into whole or assembly; current divider front end connection mode plug; it is conical that the current divider rear end is; the current divider material hole is with the above five equilibrium in 3 holes, the tight suit of current divider and die head endoporus rear end.

Aforementioned stable seat section adopts metal to make material, be for the utilization rate that prolongs spiral graphite screw rod and with the robustness of the tight suit of bearing.

It is to prevent to conduct heat backward and injure with back part that stabilizing base and spiral graphite screw rod outer surface are provided with cooling bath.

The graphite barrel adopts concavo-convex seam to be connected with graphite jig die head junction surface, is in order to strengthen sealing.

The charging aperture neck is provided with coolant jacket, is to be the hypocrystalline glue in order to enter molten metal in the barrel decrease temperature crystalline of catching a cold, and increases under the situation of spiral graphite screw rod low speed rotation to match with the gluey raw material of hypocrystalline, and produces bigger extruding force.

The invention has the beneficial effects as follows: adopted back, preceding double dynamical production technology, can reach output height, little, the surperficial no concave-convex defective of dimensional tolerance good luster, pore-free, material-structure closely, the miscellaneous goods diameter can be less than below 1 millimeter, equipment can not damage and stop production, and particularly can reach energy-saving and emission-reduction and does not have waste material or reduce the entire loss that waste material causes.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is a complete machine synoptic chart of the present invention.

Fig. 2 is the vertical section structural map of continuous casting product line.

Fig. 3 is the die head and the current divider assembling vertical section structural map of continuous casting product line hollow product, current divider and die mandrel right view, current divider rearview.

Among Fig. 1,1, cutting machine, 2, draw-gear, 3, haulage drum, 4, the traction support, 5, the draw-gear stepless speed-regulating motor, 6, the die head coolant jacket, 7, the coolant jacket outlet mouth, 8, die head, 9, connection connection orchid, 10, bolt, nut, 11, the main frame fixed cover, 12, main frame, 13, barrel charging aperture section coolant jacket, 14, the coolant jacket outlet mouth, 15, connection connection orchid, bolt, nut, 16, intermediate frequency graphite holding furnace, " 17 ", " 20 " intermediate frequency graphite holding furnace bracing frame, 18, spiral graphite screw rod cooling bath, 19, stabilizing base section metal screw, 21, the helical screw stabilizing base, 22, the cross shaft joint, 23, speed changer, 24, motor belt, 25, the main frame support, 26, the main frame stepless speed-regulating motor.

Among Fig. 2; 27; the die head coolant jacket; 28; die head setting section; 29; die head; 30; the die head compression section; 31; die head metallic sheath protective layer, 32; the die head intermediate frequency heater, 33; the graphite jig die head; 34; connection connection orchid; 35; bolt; nut, 36; concavo-convex seam, " 37 "; " 45 " fixed cover; 38; the barrel intermediate frequency heater; 39; barrel metallic sheath protective layer, 40; the graphite barrel, 41; spiral graphite screw rod; 42; coolant jacket cooling mouth; 43; the charging aperture coolant jacket, 44; the barrel charging aperture, 46; spiral graphite screw rod cooling bath; 47; flat key; 48; single row conical bearing, 49; spiral graphite screw rod stabilizing base, 50; rolling bearing; 51; the stabilizing base fixed block; 52; the metal segments screw rod, 53; flat key, 54; the cross shaft joint; 55; connection connection orchid; 56; bolt; nut, 57; the holding furnace bracing frame, 58; the holding furnace discharging opening; 59; holding furnace metallic sheath protective layer; 60; the holding furnace graphite crucible, 61; intermediate frequency graphite holding furnace, 62; the holding furnace intermediate frequency heater.

Among Fig. 3,63, the cooling mouth, 64, the die head coolant jacket, 65, die head metallic sheath protective layer; 66, die head setting section, 67, the graphite die head, 68, the die head compression section; 69, connection connection orchid, 70, concavo-convex seam, 71, the current divider material hole; 72, current divider, 73, divide flow cone, 74, the current divider die mandrel; 75, current divider, 76, divide flow cone, 77, the current divider material hole; 78, shunting core, 79, the current divider outer ring, 80, the current divider lacing wire.

The specific embodiment

In Fig. 1, the present invention includes automatically controlled, intermediate frequency graphite melting stove, intermediate frequency graphite holding furnace (16), main frame (12), draw-gear (2), cutting machine (1), referring to Fig. 2, the intermediate frequency heater (32) of die head (29), the intermediate frequency heater (38) of graphite barrel (40), the intermediate frequency heater (62) of intermediate frequency graphite holding furnace (61) and the intermediate frequency heater of intermediate frequency graphite melting stove are warmed up to the required fusing point of raw metal with preheating temperature, intermediate frequency graphite melting stove will melt good molten metal and change in the intermediate frequency graphite holding furnace (61), again by holding furnace discharging opening (58), barrel charging aperture (44), enter graphite barrel (40), the charging aperture coolant jacket is caught a cold molten metal to cool to and is made the molten metal crystallization be the hypocrystalline glue, increase the bigger extruding force that produces that matches with spiral graphite screw rod low speed rotation, referring to Fig. 1, the stepless speed-regulating motor (5) of draw-gear (2) starts, motor belt transmission gear shift device, gear, haulage drum (3) rotates, main frame stepless speed-regulating motor (26) starts, motor belt (24) transmission gear shift device (23), referring to Fig. 2, cross shaft joint (54), spiral graphite screw rod (41) rotation, raw metal is squeezed into die head (29), molten metal in the die head setting section (28) is subjected to cooling again of die head coolant jacket (27), molten metal is caught a cold after crystallization is shaped, be squeezed out die orifice, enter draw-gear (2) referring to Fig. 1, haulage drum (3) is sent metal product into cutting machine (1).

Claims

1. a continuous casting product line is partly formed by 5; Automatically controlled; Intermediate frequency graphite furnace stove, intermediate frequency graphite holding furnace; Main frame; Draw-gear; Cutting machine, it is characterized in that: electricly connect and control complete machine electrical equipment, intermediate frequency graphite melting stove internal layer is a graphite crucible, the external application metallic sheath is made protective layer, between graphite crucible and the metallic sheath intermediate frequency heater is set, intermediate frequency graphite holding furnace internal layer is a graphite crucible, the external application metallic sheath is made protective layer, between graphite crucible and the metallic sheath intermediate frequency heater is set, discharging opening is opened in intermediate frequency graphite holding furnace bottom, discharging opening adopts the blue barrel charging aperture that connects of connection connection, main frame stepless speed-regulating motor belt drives speed changer, the cross shaft joint, spiral graphite screw rod rotation, spiral graphite screw rod stabilizing base endoporus adopts rear rolling bearing, preceding single row conical bearing and the tight suit of spiral graphite screw rod back segment, after spiral graphite screw rod is divided into, preceding two sections, stabilizing base rolling bearing and single row conical bearing section are back segment, the back segment screw rod is made material with metal, the barrel section is a leading portion, the leading portion screw rod is made material with graphite, the metal segments screw front end digs the graphite screw rod of endoporus with the tight suit barrel of biconjugate flat key section, spiral graphite screw surface between stabilizing base front end and the barrel rear end is provided with cooling bath, spiral graphite screw rod in the barrel is flute profile in the shape of a spiral, it is conical that spiral graphite screw front end section is, spiral graphite screw rod is sleeved in the barrel, barrel adopts graphite to make material, the external application metallic sheath is made protective layer, between graphite barrel and the metallic sheath intermediate frequency heater is set, the upper end is opened charging aperture and is adopted the blue intermediate frequency graphite holding furnace discharging opening that connects of connection connection behind the graphite barrel, graphite barrel charging aperture neck is provided with coolant jacket, graphite barrel charging aperture neck internal layer is made material with graphite, the external application metallic sheath is made protective layer, the barrel front end adopts concavo-convex blue connection of seam connection connection with die head, the die head internal layer adopts graphite to make material, the external application metallic sheath is made protective layer, between die head graphite linings and the metallic sheath intermediate frequency heater is set, die head front end graphite outer surface is provided with coolant jacket, the die head endoporus is divided into compression section, back and preceding setting section, the main frame support adopts metal to make material, each parts of above-mentioned main frame are fastened on the main frame support, the stepless speed-regulating motor belt drive variator of draw-gear, rolling bearing, the haulage drum rotation, haulage drum divides multistage, many groups, the hop count of haulage drum and the group number be because of product big, little required tractive force and deciding, the support of draw-gear adopts metal to make material, and each parts of above-mentioned draw-gear are fastened on the traction support; Cutting machine, the die head endoporus of hollow product and special-shaped product is provided with current divider and die mandrel, current divider and die mandrel are made material with graphite, current divider and die mandrel can be divided into whole or assembly, current divider front end connection mode plug, it is conical that the current divider rear end is, and the current divider material hole is with the above five equilibrium in 3 holes, the tight suit of current divider and die head endoporus rear end.

2. continuous casting product line according to claim 1 is characterized in that: between holding furnace graphite crucible and the metallic sheath intermediate frequency heater is set.