CN1974060A - Hot-mold continuous casting apparatus and method - Google Patents
Hot-mold continuous casting apparatus and method Download PDFInfo
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- CN1974060A CN1974060A CN 200610164827 CN200610164827A CN1974060A CN 1974060 A CN1974060 A CN 1974060A CN 200610164827 CN200610164827 CN 200610164827 CN 200610164827 A CN200610164827 A CN 200610164827A CN 1974060 A CN1974060 A CN 1974060A
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Abstract
The hot-mold continuous casting apparatus includes a pedestal, a motor support, a servo motor, a frame, a driving rollers and a fastening force regulating unit. The driving rollers include one upper driving roller and one lower driving roller, which are driven by the motor to rotate synchronously for drawing billet. The apparatus includes also one upper locating roller and lower locating roller combination. The upper driving roller and the upper locating roller are controlled with the fastening force regulating unit to move up and down; both the upper driving roller and the lower driving roller are matched through V-shaped groove and trapezoidal lug, and so do the upper locating roller and the lower locating roller. The apparatus of the present invention has smooth driving and accurate locating.
Description
Technical field
The invention belongs to the hot-mold continuous cast production field, be particularly suitable for having the production of the copper of unidirectional columanar structure and copper alloy, aluminium and aluminium alloy, Ti-Ni alloy etc.
Background technology
From the end of the sixties in last century, after big wild sincere U.S.A has proposed hot-mold continuous cast method (OCC method), a lot of scholars have carried out the research of hot-mold continuous cast, and achievement in research is applied to a lot of fields, wherein relatively typical application to be exactly the ingot casting that will have a continuous cylindrical crystalline texture be prepared into the very little wire rod of diameter through forcing the worker under the low temperature such as cold rolling, drawing, be used as electric car contact wire, high-fidelity music center lead and semiconductor package wiring etc., wherein the diameter as the semiconductor package wiring is about 20 μ m.But the broken string phenomenon occurs through regular meeting in technologies such as wire rod cold rolling, drawing, influence the quality and the application of wire rod, one of them main cause is exactly that reason owing to continuous casting installation for casting or technology has caused ingot surface quality poor, and defectives such as distortion, cut are arranged.Existing hot-mold continuous cast mainly adopts single face drive roll throwing, manual adjustments pretightning force, and mostly is the intermetallic friction between continuous casting ingot casting and throwing roller.Chinese invention patent application No.01131773.6 " a kind of haulage gear that is used for hot-mold continuous cast " discloses a kind of drawing device, comprise drive roll, driven pulley, steamboat, synchrome conveying belt, motor, encoder, base, screw mandrel, spring, gantry frame and cycloidal reducer, wheel face is the below that three drive rolls on the face of cylinder are installed in the wheel face frame respectively, wheel face is the top that three driven pulleys of V-groove are installed in gantry frame respectively, three drive rolls are tangent respectively at three relative driven pulleys, two groups of steamboats have also been designed between three groups of wheels, mainly play a part to compress by the cast ingot, lean on synchrome conveying belt to transmit the power of motor between three groups of throwing wheels, thrust provides by spring assembly, the size of manual adjustments thrust.Its weak point is: complex structure, and to install and regulate difficulty, five groups of wheels compress on same straight line by the cast ingot simultaneously, and linearity is difficult to adjust, and easily causes tensile phenomenon; Single face drive roll throwing, single face drive roll throwing refers in all rollers of throwing in groups, have only by the throwing roller of cast ingot one side drive unit is arranged, the throwing roller of ingot casting opposite side is a driven voller, mainly play pressuring action, it rotates by being moved by the cast spindle band, easily makes continuous casting ingot casting unbalance stress, motionless phenomenon is drawn in generation, and easily causes the ingot casting distortion; Spring compression because its pressure is limited, also easily causes the motionless situation of drawing; No thrust control device, the big ingot casting of thrust is yielding, influences its serviceability, thrust is little then draw motionless; Throwing roller and continuous casting pouring bay are the intermetallic friction, and coefficient of friction is little, cause effective pull little.
Summary of the invention
The purpose of this invention is to provide a kind of hot-mold continuous casting apparatus and method, it has overcome above problem, and the hot-mold continuous casting apparatus that provides can be stablized the production of carrying out hot-mold continuous cast, and is convenient to regulate.
To achieve these goals, the invention provides following technical scheme:
A kind of hot-mold continuous casting apparatus comprises base 1, electric machine support 2, and servomotor 4, support 8, drive roll and thrust adjustment unit, wherein:
(1) drive roll comprises and is used for upper and lower drive roll 13-1,13-2 throwing, that match, and described upper and lower drive roll is rotated synchronously by driven by motor;
(2) described equipment also comprises upper and lower registration roller 19-1, the 19-2 that matches;
(3) described drive roll 13-1 of going up and last registration roller 19-1 are controlled by the thrust adjustment unit and move up and down;
(4) the work wheel face that cooperates between described upper and lower drive roll 13-1, the 13-2 is respectively V-groove shape and ladder type convex surface, and the work wheel face that cooperates between described upper and lower registration roller 19-1, the 19-2 also is respectively V-groove shape and ladder type convex surface;
(5) described thrust adjustment unit comprises: adjustable cylinder is fixedlyed connected with the movable axis bearing, and the movable axis bearing is done vertically to move back and forth in the slideway of correspondence.
Described thrust adjustment unit comprises: go up drive roll 13-1 and last registration roller 19-1 and be installed in movable axis bearing 12-1 and the 12-2 by bearing respectively, movable axis bearing 12-1, be connected by dovetail groove between 12-2 and the support 8, movable axis bearing 12-1 and 12-2 respectively with the drive roll cylinder 10 that is installed in support (8) top and registration roller cylinder 15 by being threaded, under the drive of cylinder, two movable axis bearing 12-1,12-2 respectively can be at corresponding slideway 22-1, do vertical reciprocating motion in the 22-2, thereby drive roll 13-1 is gone up in drive and last registration roller 19-1 does corresponding clamping and unclamps motion.
Particularly, the present invention is a kind of equipment that is used for hot-mold continuous cast, comprises drive roll, drive roll cylinder, registration roller, registration roller cylinder, travelling gear, transmission pin plate, power transmission shaft, movable axis bearing, slideway, support, electric machine support, base, air cylinder fixed plate, reductor, servomotor, flow speed control valve, pressure-reducing valve.Adopt one group of drive roll and one group of registration roller, simple in structure, assembling and adjustment difficulty are low; Following drive roll and following registration roller are rack-mount, its wheel face is the V-groove shape, groove face gummed one deck rubber, two wheel V-type bottom land line aa ' are parallel to the plane at base place, wheel face is that the last drive roll and the last registration roller of ladder type convex surface is installed on the movable axis bearing, its ladder type convex surface gluing unification layer rubber, two wheel ladder type convex surface top line bb ' are parallel to aa ', and are positioned at same plane with aa '.Drive roll is parallel to each other with dd ' and is all vertical with aa ' with the axial connecting line cc ' of registration roller up and down up and down, drive roll adopts the train transmission up and down, can under same throwing driven by motor, rotate simultaneously, the common ingot casting that drives, this train comprise between upper transfer gear, upper transition gear, the next transition gear, lower transmissioning gear, adjacent gear and being connected with a joggle.This structure stable drive, the position is accurate, and motor can drive one group of throwing roller simultaneously and rotate, and has overcome the shortcoming that single roller drives.
According to above-described hot-mold continuous casting apparatus, last drive roll and last registration roller are installed on driving shaft and the last locating shaft by bearing respectively, last driving shaft and last locating shaft are installed in the movable axis bearing again respectively, the movable axis bearing cooperates with support by dovetail groove, drive by drive roll cylinder and registration roller cylinder can be done vertical reciprocating motion in the slideway on support, the thrust of registration roller and pouring bay was provided by respective cylinder respectively about drive roll reached up and down, can reach 0.8Mpa, adjustable between 0～0.8Mpa.For accurately adjusting controlled pressure and compressing speed, all are furnished with a pressure-reducing valve and two flow speed control valves on each cylinder.Driving element is servomotor and reductor, and servomotor low speed resistance to shock and power performance are good, and accurate control rate, reductor can play to slow down and increase the effect of turning round, and the speed of system can accurately be adjusted control in 1.5mm/min～18840mm/min scope.
Beneficial effect of the present invention is: this equipment stable drive, and the position is accurate, and motor can drive one group of throwing roller simultaneously and rotate, and has overcome the shortcoming that single roller drives.Simultaneously,, can produce the continuous columnar ingot casting of surface-brightening, nothing distortion, no marking by further control to technological process,
Description of drawings
Fig. 1 is the front view of hot-mold continuous casting apparatus of the present invention,
Fig. 2 be the A of Fig. 1 to view,
Fig. 3 is that the B of Fig. 1 is to view.
The specific embodiment
Introduce the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in the figure, the equipment that is used for hot-mold continuous cast comprises drive roll 13-1,13-2 up and down, drive roll cylinder 10, registration roller 19-1,19-2 up and down, registration roller cylinder 15, gear 6-1～6-4, connect pin plate 7-1,7-2, axle 3-1～3-4, movable axis bearing 12-1 and 12-2, slideway 22-1,22-2, support 8, electric machine support 2, air cylinder fixed plate 9, reductor 5, servomotor 4, flow speed control valve 20-1～20-4, pressure-reducing valve 21-1 and 21-2.
As shown in Figure 2, following drive roll 13-2 and following registration roller 19-2 are fixedly mounted on the support 8, and the wheel face of the two is the V-groove shape, groove face gummed one deck rubber, and two wheel V-type bottom land line aa ' are parallel to the plane at base 1 place; Wheel face is that the last drive roll 13-1 and the last registration roller 19-1 of ladder type convex surface is installed in respectively on movable axis bearing 12-1 and the 12-2, its ladder type convex surface gluing unification layer rubber, and two wheel ladder type convex surface top line bb ' are parallel to aa ', and are positioned at same plane with aa '.Drive roll 13-1,13-2 are parallel to each other with dd ' and are all vertical with aa ' with the axial connecting line cc ' of registration roller 19-1,19-2 up and down up and down.
As shown in the figure, following drive roll 13-2 and following registration roller 19-2 are installed in down respectively on driving shaft 3-1 and the following locating shaft 18-2, two axles again respectively by bearing fixing on support 8; Last drive roll 13-1 and last registration roller 19-1 are installed in movable axis bearing 12-1 and the 12-2 by bearing respectively, directly be connected between movable axis bearing 12-1,12-2 and the support 8 by dovetail groove, movable axis bearing 12-1 and 12-2 respectively with the drive roll cylinder 10 that is installed in cantilever tip and registration roller cylinder 15 by being threaded, under the drive of cylinder, two movable axis bearings can be done vertical reciprocating motion respectively in corresponding slideway 22-1,22-2, thereby drive roll 13-1 and last registration roller 19-1 do corresponding sports in the drive, realize clamping and release function.
As shown in the figure, drive roll 13-1 and 13-2 adopt the transmission of four-wheel train up and down, comprise upper transfer gear 6-4, upper transition gear 6-3, the next transition gear 6-2 and lower transmissioning gear 6-1, adjacent lower transmissioning gear 6-1 and the next transition gear 6-2, the next transition gear 6-2 and upper transition gear 6-3, upper transition gear 6-3 and upper transfer gear 6-4 are connected with a joggle respectively, the next transition gear 6-2 links to each other with being connected pin plate 7-1 with upper transition gear 6-3, upper transition gear 6-3 links to each other with being connected pin plate 7-2 with upper transfer gear 6-4, lower transmissioning gear 6-1 is installed in down on the driving shaft 3-1, the next transition gear 6-2 is installed on the lower drive shaft 3-2, upper transition gear 6-3 is installed on the power transmission shaft 3-3, following driving shaft 3-1, lower drive shaft 3-2 and last power transmission shaft 3-3 are installed on the support 8, and upper transfer gear 6-4 is installed on the movable axis bearing 12-1 by last driving shaft 3-4.
Last drive roll 13-1 and following drive roll 13-2 compress ingot casting, utilize the frictional force of ingot casting and wheel to drive ingot casting.Following drive roll 13-2 wheel face is a V-groove, last drive roll 13-1 wheel face is the ladder type convex surface, can realize the accurate location of two ingot castings, two roll surfaces all glue together one deck rubber, purpose is the frictional force that increases between ingot casting and pressure roller, and on the elimination ingot casting owing to the slide mark that produces with the pressure roller friction, thereby raising ingot quality, the thrust of drive roll 13-1 and 13-2 and pouring bay is provided by drive roll cylinder 10 up and down, cylinder pressure is passed to drive roll 13-1 by movable axis bearing 12-1 and last driving shaft 3-3, its pressure can reach 0.8Mpa, can satisfy the throwing requirement so only establish one group of throwing roller.For accurately adjusting the control thrust and compressing speed, all are furnished with a pressure-reducing valve 21 and two flow speed control valve 20-1 on the cylinder, 20-2, the driving element of drawing device is selected the servomotor 4 of low speed good anti-vibration for use, servomotor 4 is installed in down on the driving shaft 3-1, and be equipped with that playing slows down and increase the reductor 5 of torsion effect, so drawing device has good power performance and low speed vibration resistance, and can accurately regulate the speed at 1.5mm/min～18840mm/min, so at drive roll 13-1 up and down, do not establish the damping pressure roller between 13-2 and ingot casting crystallizer, crystallizer and drive roll 13-1 so up and down, between 13-2 moderate is easy to adjust, simplified operating procedure, can ensure that ingot casting pulls out smoothly; Servomotor 4 and reductor 5 are installed in down on the driving shaft 3-1, can directly drive down drive roll 13-2, its driving force is simultaneously by lower transmissioning gear 6-1, the next transition gear 6-2, upper transition gear 6-3 and upper transfer gear 6-4 pass to drive roll 13-1, drive roll 13-1 drives simultaneously with following drive roll 13-2 in the realization, the common ingot casting that drives, the gearratio of four gears is 1: 1: 1: 1, this structure stable drive, the position is accurate, motor can drive one group of throwing roller simultaneously and rotate, and has overcome ingot casting unbalance stress under single roller driving situation, yielding, draw motionless shortcoming.For preventing follow-up curling, operations such as shearing to the throwing operation cause harmful effect as the vibration etc., this device has designed one group of registration roller: go up registration roller 19-1 and following registration roller 19-2, following registration roller 19-2 wheel face is a V-groove, last registration roller 19-1 wheel face is the ladder type convex surface, two roll surfaces all glue together one deck rubber, can realize the accurate location of ingot casting equally and improve ingot quality, the location clamping force of registration roller and pouring bay is provided by registration roller cylinder 15, a pressure-reducing valve 21-2 and two flow speed control valve 20-3 also have been installed on the registration roller cylinder 15,20-4, can accurately adjust thrust and compress speed, for reducing the resistance of location clamping force to throwing, last registration roller 19-1 and following registration roller 19-2 diameter are less, and material is the proportion aluminium alloy light than steel.
Mode of operation is: start drive roll cylinder 10 and registration roller cylinder 15, up and down drive roll 13-1,13-2 and registration roller 19-1,19-2 draw back up and down, passed from two groups of rollers by the dummy ingot of cast ingot, regulate flow speed control valve and pressure-reducing valve then, set clamp speeds and clamping pressure, control cylinder starts the clamping dummy ingot, after other operation is ready, start servomotor 4, the frictional force of drive roll and pouring bay is pulled out ingot casting about utilizing.
The technological process of production of hot-mold continuous cast of the present invention is as follows:
Intermediate frequency furnace is collected carrying out hot-mold continuous cast → ingot casting under foundry alloy melting and the insulation → cooling ingot casting → special throwing of the ingot casting shaping → startup system dummy ingot → speed stabilizing.Produce the continuous columnar ingot casting of surface-brightening, nothing distortion, no marking according to this technological process.
Embodiment 1:
A kind of hot-mold continuous cast of Al-1%Si alloy, technology is as follows:
The Al-1%Si alloy is melted and 730 ± 50 ℃ of insulations in intermediate frequency furnace, the cooling ingot casting is shaped it in crystallizer, cooling water flow is: 800～2000L/hr, start special throwing system dummy ingot, draw speed at 40～100mm/min, treat steadily to accelerate to after dummy ingot successfully and carry out hot-mold continuous cast production under 100～250mm/min.The Al-1%Si ingot casting surface-brightening that goes out with this Apparatus and method for continuous casting and do not have the distortion no marking.
Embodiment 2:
A kind of hot-mold continuous cast of oxygen-free copper, technology is as follows:
Oxygen-free copper is melted and 1150 ± 50 ℃ of insulations in intermediate frequency furnace, the cooling ingot casting is shaped it in crystallizer, cooling water flow is: 800～2000L/hr, start special throwing system dummy ingot, draw speed at 40～100mm/min, treat steadily to accelerate to after dummy ingot successfully and carry out hot-mold continuous cast production under 100～250mm/min.The oxygen-free copper ingot casting surface-brightening that goes out with this Apparatus and method for continuous casting and do not have the distortion no marking.
Claims (11)
1, a kind of hot-mold continuous casting apparatus comprises base (1), electric machine support (2), and servomotor (4), support (8), drive roll and thrust adjustment unit is characterized in that:
(1) drive roll comprises and is used for upper and lower drive roll throwing, that match (13-1), (13-2), and described upper and lower drive roll is rotated synchronously by driven by motor;
(2) described equipment also comprises upper and lower registration roller (19-1), (19-2) that matches;
(3) described upward drive roll (13-1) and last registration roller (19-1) are moved up and down by the control of thrust adjustment unit;
(4) the work wheel face that cooperates between described upper and lower drive roll (13-1), (13-2) is respectively V-groove shape and ladder type convex surface, and the work wheel face that cooperates between described upper and lower registration roller (19-1), (19-2) also is respectively V-groove shape and ladder type convex surface;
(5) described thrust adjustment unit comprises: adjustable cylinder is fixedlyed connected with the movable axis bearing, and the movable axis bearing is done vertically to move back and forth in the slideway of correspondence.
2, hot-mold continuous casting apparatus according to claim 1, it is characterized in that: described thrust adjustment unit comprises: go up drive roll (13-1) and last registration roller (19-1) respectively by bearing be installed in movable axis bearing (12-1) and (12-2) in, movable axis bearing (12-1), (12-2) with between the support (8) be connected by dovetail groove, movable axis bearing (12-1) and (12-2) respectively with the drive roll cylinder (10) that is installed in support (8) top and registration roller cylinder (15) by being threaded, under the drive of cylinder, two movable axis bearings (12-1), (12-2) respectively can be at corresponding slideway (22-1), do vertical reciprocating motion (22-2), thereby drive roll (13-1) is gone up in drive and last registration roller (19-1) is done corresponding clamping and unclamped motion.
3, hot-mold continuous casting apparatus according to claim 1 is characterized in that: described drive roll (13-1) up and down and transmission system (13-2) can be rotated under same motor-driven simultaneously for adopting the drives structure of four-wheel train transmission, drive the ingot casting motion.
4, hot-mold continuous casting apparatus according to claim 3, it is characterized in that: described drive roll (13-1) up and down and (13-2) employing four-wheel train transmission, comprise upper transfer gear (6-4), upper transition gear (6-3), the next transition gear (6-2) and lower transmissioning gear (6-1), adjacent lower transmissioning gear (6-1) and the next transition gear (6-2), the next transition gear (6-2) and upper transition gear (6-3), upper transition gear (6-3) is connected with a joggle respectively with upper transfer gear (6-4), the next transition gear (6-2) links to each other with being connected pin plate (7-1) with upper transition gear (6-3), upper transition gear (6-3) links to each other with being connected pin plate (7-2) with upper transfer gear (6-4), lower transmissioning gear (6-1) is installed in down on the driving shaft (3-1), the next transition gear (6-2) is installed on the lower drive shaft (3-2), upper transition gear (6-3) is installed on the power transmission shaft (3-3), following driving shaft (3-1), lower drive shaft (3-2) and last power transmission shaft (3-3) are installed on the support (8), and upper transfer gear (6-4) is installed on the movable axis bearing (12-1) by last driving shaft (3-4).
5, hot-mold continuous casting apparatus according to claim 1, it is characterized in that: further comprising the servomotor (4) and the reductor (5) that are installed in down on the driving shaft (3-1), in order to drive down drive roll (13-2), its speed adjustable range is 2mm/min～18840mm/min.
6, hot-mold continuous casting apparatus according to claim 1 is characterized in that: the work wheel face gluing unification layer rubber of described upper and lower drive roll (13-1), (13-2) and described upper and lower registration roller (19-1), (19-2).
7, hot-mold continuous casting apparatus according to claim 1 is characterized in that: the described wheel face of going up drive roll (13-1) and last registration roller (19-1) is the ladder type convex surface.
8, hot-mold continuous casting apparatus according to claim 1 is characterized in that: described cylinder has flow speed control valve (20-1)～(20-4) and/or pressure-reducing valve (21-1), (21-2), is used to adjust the size of thrust and compress speed.
9, hot-mold continuous casting apparatus according to claim 1 is characterized in that: provide the described up and down drive roll and the clamping force of registration roller up and down by cylinder, described clamping force is adjustable between 0～0.8Mpa.
10, hot-mold continuous casting apparatus according to claim 1 and 2 is characterized in that: described hot-mold continuous casting apparatus can be used for horizontal casting and vertical continuous casting.
11, a kind of hot-mold continuous cast method of utilizing the described hot-mold continuous casting apparatus of claim 1 to be carried out, comprise the steps: that intermediate frequency furnace to carrying out hot-mold continuous cast → ingot casting collection under foundry alloy melting and the insulation → cooling ingot casting → special throwing of the ingot casting shaping → startup system dummy ingot → speed stabilizing, is characterized in that:
(1) is controlled in intermediate frequency furnace inner melt temperature and is higher than 20～120 ℃ of fusing points;
(2) the casting mold cooling water flow is: 800～2000L/hr;
(3) throwing system dummy ingot speed is 40～100mm/min;
(4) stablizing the pattern of fever casting speed is 100～250mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101648271A CN100528404C (en) | 2006-12-06 | 2006-12-06 | Hot-mold continuous casting apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101648271A CN100528404C (en) | 2006-12-06 | 2006-12-06 | Hot-mold continuous casting apparatus and method |
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| Publication Number | Publication Date |
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| CN1974060A true CN1974060A (en) | 2007-06-06 |
| CN100528404C CN100528404C (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101648271A Expired - Fee Related CN100528404C (en) | 2006-12-06 | 2006-12-06 | Hot-mold continuous casting apparatus and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116200A (en) * | 2019-03-29 | 2019-08-13 | 江苏先特能源装备有限公司 | Lead acid accumulator plate grid forming machine |
| CN116727622A (en) * | 2023-08-15 | 2023-09-12 | 沈阳麒飞新型材料科技有限公司 | Multiple type roller for drawing blank |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253680Y (en) * | 1995-06-23 | 1997-05-07 | 陈增祺 | Drawing flattener for small cubic blank |
| CN2454065Y (en) * | 2000-11-27 | 2001-10-17 | 周广砥 | Energy-saving continuous-casting blank pull-levellinjg machine |
| CN2661340Y (en) * | 2003-03-24 | 2004-12-08 | 上海新中连铸技术工程公司 | Speed reducer drived and shaft installed full water cooling straightening machine |
-
2006
- 2006-12-06 CN CNB2006101648271A patent/CN100528404C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116200A (en) * | 2019-03-29 | 2019-08-13 | 江苏先特能源装备有限公司 | Lead acid accumulator plate grid forming machine |
| CN116727622A (en) * | 2023-08-15 | 2023-09-12 | 沈阳麒飞新型材料科技有限公司 | Multiple type roller for drawing blank |
| CN116727622B (en) * | 2023-08-15 | 2023-10-20 | 沈阳麒飞新型材料科技有限公司 | Multiple type roller for drawing blank |
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| CN100528404C (en) | 2009-08-19 |
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