CN202097219U

CN202097219U - Reverse squeezing device for blanks of copper and copper alloy bars and wires

Info

Publication number: CN202097219U
Application number: CN2011201582073U
Authority: CN
Inventors: 贺永东; 杨志强
Original assignee: Jinchuan Group Co Ltd
Current assignee: Jinchuan Group Co Ltd
Priority date: 2011-05-18
Filing date: 2011-05-18
Publication date: 2012-01-04
Anticipated expiration: 2021-05-18

Abstract

The utility model discloses a reverse squeezing device for blanks of copper and copper alloy bars and wires, which comprises a hydraulic station, a mainframe body, a wire coil discharging system and a bar discharging system; the mainframe body comprises a main plunger piston, two lateral cylinders, a movable beam, a front beam, a back beam, a tension column, a movable beam slide seat, a squeezing container, a squeezing container locking cylinder, a front beam slide seat, a die shaft and a cleaning shaft, wherein the main plunger piston, the movable beam and the squeezing container are mounted in a framework formed by the front beam, the back beam and the tension column; the main plunger piston is mounted in the centre line of the back beam; the two lateral cylinders are symmetrically mounted on two sides of the main plunger piston; the movable beam is connected with the piston rods of the main plunger piston and the lateral cylinders; the movable beam slide seat is mounted on the right side of the movable beam; and the die shaft and the cleaning shaft are mounted on the front beam slide seat. The reverse squeezing device has a simple structure and a smaller occupied area; and the surface quality of a copper or copper alloy product manufactured by the reverse squeezing device is higher than that of a copper or copper alloy product manufactured through forward squeezing, and the amount of discard is small.

Description

A kind of copper and copper alloy type rod wire rod supply the reverse pressurizing unit of base

Technical field

The utility model relates to a kind of pressurizing unit, relates in particular to the reverse pressurizing unit that a kind of copper and copper alloy type rod wire rod supplies base.

Background technology

The type bar product of copper and copper alloy comprises garden rod, square bar, sq.rd, hexagonal rod, profile bar, accounts for about 65% of copper and copper alloy tube rod section bar product.At present, the confession blank technology of production of copper and copper alloy type rod wire product comprises hot extrusion method, groove rolling method, horizontal casting method and upward-casting process.The subject matter that horizontal casting method and up-drawing method supply base to exist is; There are defectives such as loose, that density is low in strand; In addition, when adopting the horizontal casting method to produce the higher copper alloy product of alloying level, on casting blank section, be easy to produce gravity segregation; When adopting up-drawing method to supply base, the strand difficulty that provides cross dimensions to surpass Ф 30mm is bigger.It is the main confession blank technology of present production high-quality copper alloy type rod wire rod that extrusion supplies base, can guarantee that blank obtains fabulous metallographic structure, helps follow-up stretch process.The flexibility of organization of production is big, is suitable for producing the copper alloy type rod wire product of many specifications, many alloy designations and big small lot.At present, widely used excellent profile and wire pressing method is the forward extrusion method, and the problem of existence is: the extruder of extruding force below 30MN, and the type bar cross dimensions that can push is little, and the dish of the coil of wire that can push is heavy little.Extruding force reaches the copper extruder of 45MN, and the type bar cross dimensions that can push and the dish weight average of the coil of wire can satisfy the demand in market, exists deficiencies such as occupation area of equipment is big, equipment investment big, the lumber recovery of extrusion process is low simultaneously again.Adopt another remarkable deficiency of forward extrusion to be: the energy consumption of extrusion process is high.Owing to adopt the resistance of reverse extrusion technique in extrusion process less, when producing the product of same specification, needed extruding force is saved 25-35% than the forward extrusion.The extrusion production ability of the indirect extrusion machine that extruding force is 35MN, the forward copper extruder that is 45MN with an extruding force is suitable.And the structure of indirect extrusion machine is simple relatively, and floor space is less, and the copper of being produced and the surface quality of copper alloy products are also high than the forward extruding, pressure is surplus few.Adopt reverse extrusion technique production of copper and copper alloy type rod wire rod can reduce the once investment 35-40% of equipment, reduce extrusion process energy consumption 30%, improve extrusion process lumber recovery 5-6%.

The utility model content

In view of this; The purpose of the utility model provides the reverse pressurizing unit of a kind of copper and copper alloy type rod wire rod confession base; This device is mainly used in the extrusion blooming operation of copper and copper alloy type rod wire production process, can automatically accomplish from operating process such as strand material loading, extruding, the cooling of excellent base and scale sawing, the rolling of line base, the cooling of line base, the blankings of line base.

Above-mentioned purpose realizes through following proposal:

A kind of copper and copper alloy type rod wire rod supply the reverse pressurizing unit of base; It comprises Hydraulic Station, main frame body, coil of wire discharge system and bar discharge system, it is characterized in that, said main frame body comprises main plunger, side cylinder, moving beam, front-axle beam, the back rest, tension force post, moving beam slide, recipient, recipient locking cylinder, front-axle beam slide, mold shaft, clearing axis; Wherein, Said main plunger, moving beam, recipient are installed in the framework of being made up of said front-axle beam, the back rest and tension force post, and said main plunger is installed on the center line of the said back rest, and said side cylinder is two; Its symmetry is installed on the both sides of said main plunger; Said moving beam links to each other with the piston rod of said main plunger and side cylinder, and moving beam slide is installed on the right side of said moving beam, and said mold shaft and clearing axis are installed on the said front-axle beam slide.

The beneficial effect of the utility model: oppositely pressurizing unit is simple in structure, and floor space is less, and the copper of being produced and the surface quality of copper alloy products are also high than the forward extruding, pressure is surplus few.Can reduce the once investment 35-40% of equipment, reduce extrusion process energy consumption 30%, improve extrusion process lumber recovery 5-6%.

Description of drawings

Fig. 1 is that the reverse pressurizing unit structure of the excellent wire rod of the utility model is formed sketch map;

Fig. 2 is the reverse pressurizing unit extruded bars of a utility model process sketch map;

Fig. 3 is the reverse pressurizing unit extruding of a utility model wire rod process sketch map;

Fig. 4 is that the reverse pressurizing unit of the utility model is pressed surplus scale removal process sketch map.

The specific embodiment

The reverse pressurizing unit (see figure 1) of a kind of production of copper and copper alloy type rod wire rod, mainly comprise: Hydraulic Station 1, main frame body 2, coil of wire discharge system 3, bar discharge system 4 etc. are partly formed.Wherein, Main frame body 2 partly is made up of main plunger 5, side cylinder 6, moving beam 7, front-axle beam 8, the back rest 16, tension force post 9, moving beam slide 10, recipient 11, recipient locking cylinder 12, front-axle beam slide 13, mold shaft 14, clearing axis 15 etc., is responsible for supplying ingot to main frame by ingot machine 17.

This device provides transfer motion power by Hydraulic Station 1, and main plunger 5, moving beam 7, recipient 11 are installed in the framework of being made up of front-axle beam 8, the back rest 16 and four tension force posts 9.Main plunger 5 is installed on the center line of the back rest 16, and two side cylinder 6 symmetries are installed on the both sides of main plunger 5, in main plunger 5 bottoms, is provided with the prefill valve of big latus rectum, guarantees that moving beam 7 moves forward and backward unblocked fast.Moving beam 7 links to each other with the piston rod of main plunger 5 and side cylinder 6, and moving beam slide 10 is installed on the right side of moving beam 7.During work, moving beam 7 moves (not shown) on flat guide, and flat guide is the guide rail of horizontal positioned, is placed on two tension force posts 9 of extruder.Moving beam slide 10 adopts three station structures, is used for installing extruding closure plate 18, die change station 21, presses surplus cleaning position 25.The air cylinder driven by self is moved in the switching-over of moving beam slide 10.Mold shaft 14 is installed on the front-axle beam slide 13 with clearing axis 15, accurately locatees with the mobile realization of front-axle beam slide 13, and front-axle beam slide 13 is by the air cylinder driven by self.

The effect of ingot machine 17 is the last ingot stations that the high temperature ingot in the copper ingot heating furnace (not shown) are transported to extruder, by ingot machine 17 ingot casting 19 is pushed in the recipient 11 and waits to squeeze.

Fig. 2 is an extruded bars process sketch map; In Fig. 1 and Fig. 2, vertical bar discharge system 4 and coil of wire discharge system 3, integral installation is (not shown) on the base of the adjustment that can slide up and down; When extruding the vertical bar goods; Discharge system makes the vertical bar discharge system 4 and the goods of front-axle beam 8 derive channel connection to top slippage adjustment, and ingot machine 17 is delivered to ingot casting 19 in the recipient 11.Moving beam slide 10 moves and makes extruding closure plate 18 compress, seal over against recipient 11 and realization.Front-axle beam slide 13 moves the central lines that makes extruding mold shaft 14 and recipient 11.At this moment, start Hydraulic Station 1, hydraulic oil gets into main plunger 5 and side cylinder 6 through connecting pipeline, and main plunger 5 promotes moving beam 7 to left movement with side cylinder 6.Mold shaft 14 inserts in the recipient 11; Under the effect of extruding force; Ingot casting 19 in the recipient 11 deforms, and the metal that is in mold shaft 14 front ends flows out along nib and obtains extruded product 20, and extruded product 20 is derived passage via mold shaft 14 with the goods in the front-axle beam 8 and derived; By 4 outputs of vertical bar bar discharge system, accomplish bar extrusion process.

Fig. 3 is for extruding wire rod process sketch map, and when extruding coil of wire goods, the downward slippage adjustment of discharge system makes the inlet of coil of wire discharging 3 be connected with the goods derivation passage of front-axle beam 8.Moving beam slide 10 makes die change station 21 over against mold shaft 14, unloads the bar mould by manual work, the wire rod mould and fastening of packing into.By ingot machine 17 ingot casting 19 is pushed in the recipient 11.Moving beam slide 10 moves and makes extruding closure plate 18 compress, seal over against recipient 11 and realization.Front-axle beam slide 13 moves the central lines that makes extruding mold shaft 14 and recipient 11.At this moment, start Hydraulic Station 1, hydraulic oil gets into main plunger 5 and side cylinder 6 through connecting pipeline, and main plunger 5 promotes moving beam 7 to left movement with side cylinder 6.Mold shaft 14 inserts in the recipient 11; Under the effect of extruding force; Ingot casting 19 in the recipient 11 deforms, and the metal that is in mold shaft 14 front ends flows out along nib and obtains the coil of wire 22, and the coil of wire 22 is derived passage via mold shaft 14 with the goods in the front-axle beam 8 and derived; By 3 clots of coil of wire discharge system, output, accomplish wire rod extrusion process.

Fig. 4 is that the reverse pressurizing unit of the utility model is pressed surplus scale removal process sketch map.After accomplishing extrusion process, mold shaft 14 is withdrawed from from recipient 11.Front-axle beam slide 13 moves the central lines that makes clearing axis 15 and recipient 11.Moving beam slide 10 moves, and makes to press surplus cleaning position 25 over against recipient 11, with cleaning pad 23 recipient of packing into from the right side of recipient 11, starts Hydraulic Station, and hydraulic oil promotes main plunger 5 and moving beam 7 to left movement.Clearing axis 15 inserts in the recipient 11, promotes cleaning pad 23 by clearing axis 15, will press surplus the decortication with ingot casting to push the surplus cleaning of pressure position 25, accomplishes and presses surplus scale removal process.

Claims

1. copper and copper alloy type rod wire rod supplies the reverse pressurizing unit of base; It comprises Hydraulic Station, main frame body, coil of wire discharge system and bar discharge system, it is characterized in that, said main frame body comprises main plunger, side cylinder, moving beam, front-axle beam, the back rest, tension force post, moving beam slide, recipient, recipient locking cylinder, front-axle beam slide, mold shaft, clearing axis; Wherein, Said main plunger, moving beam, recipient are installed in the framework of being made up of said front-axle beam, the back rest and tension force post, and said main plunger is installed on the center line of the said back rest, and said side cylinder is two; Its symmetry is installed on the both sides of said main plunger; Said moving beam links to each other with the piston rod of said main plunger and side cylinder, and moving beam slide is installed on the right side of said moving beam, and said mold shaft and clearing axis are installed on the said front-axle beam slide.