CN111321288A - Double-row slab blank centering device - Google Patents

Double-row slab blank centering device Download PDF

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Publication number
CN111321288A
CN111321288A CN202010249017.6A CN202010249017A CN111321288A CN 111321288 A CN111321288 A CN 111321288A CN 202010249017 A CN202010249017 A CN 202010249017A CN 111321288 A CN111321288 A CN 111321288A
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CN
China
Prior art keywords
roller way
group
groups
hinged
swing shaft
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Pending
Application number
CN202010249017.6A
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Chinese (zh)
Inventor
曹明辉
荀敬
陈志强
何家宝
朱国民
张天宇
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Huatian Engineering and Technology Corp MCC
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Huatian Engineering and Technology Corp MCC
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Priority to CN202010249017.6A priority Critical patent/CN111321288A/en
Publication of CN111321288A publication Critical patent/CN111321288A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/70—Furnaces for ingots, i.e. soaking pits

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Abstract

The invention discloses a double-row slab blank centering device which comprises a trolley, a push plate, a track, a middle swing shaft hydraulic cylinder, a support and a base. The hydraulic centering device adopts a hydraulic mode for centering, is suitable for centering slab blanks with different sizes and thicknesses, and is simple and convenient in equipment maintenance.

Description

Double-row slab blank centering device
Technical Field
The invention relates to the technical field of plate blanks, in particular to a device for centering double-row plate blanks.
Background
At present, the domestic plate blanks are fed into the heating furnace usually by adopting single-row plate blanks, in order to improve the yield of the heating furnace, a double-row feeding mode is adopted, the feeding mode brings some problems, and the deviation phenomenon appears in the transportation process before the two rows of plate blanks are fed into the heating furnace. Therefore, two rows of slabs need to be centered, and therefore research and development of a double-row slab blank centering device is an urgent problem to be solved.
Disclosure of Invention
Aiming at the problems, the invention provides the double-row slab blank centering device which adopts a hydraulic mode to drive the trolley to drive the push plate to perform centering, and the mode is simple and easy to maintain and overhaul.
In order to achieve the aim, the invention discloses a double-row slab blank centering device and a double-row slab blank centering method, which comprise a plurality of bases fixed on a roller way frame, wherein the bases are correspondingly arranged on two sides of the central line of a conveying roller way; a group of rails is erected on the two opposite bases; each group of tracks is fixed in the corresponding transport roller way of the group of tracks, and each group of tracks is provided with two trolleys; the two trolleys are respectively positioned at two sides of the central line of the conveying roller way and freely move in the track, and the trolleys at the same side are connected into a whole through a push plate;
and the middle swing shaft hydraulic cylinder is arranged on the track and is used for driving the small sides at the two sides to move oppositely along the track.
Furthermore, the lifting device also comprises a lifting beam assembly, a swing arm system and a driving system which are sequentially arranged from top to bottom; the driving system is used for driving the lifting beam assembly to do lifting motion by driving the swing arm system;
wherein, the lifting beam assembly includes: a plurality of supports fixed on a side frame of the conveying roller way; the plurality of supports are arranged at intervals along the central line of the conveying roller way;
a group of cross beams are hinged to each support; the upper part of each group of cross beams is sequentially hinged with a plurality of rollers;
and the lower parts of the multiple groups of cross beams are fixed with connecting beams.
Further, the swing arm system sets up in the tie-beam below, includes: the base is hinged with a swing arm through a bearing seat; the free end of the swing arm is hinged with a guide wheel through an ear hole; the outer contour of the guide wheel is contacted with the lower surface of the connecting beam.
Furthermore, the driving system comprises a tail swing shaft hydraulic cylinder and a hydraulic cylinder seat, wherein the flat head of the tail swing shaft hydraulic cylinder positioned on the left side of the central line of the lifting device is hinged to the other ear hole of the side swing arm, the tail of the side tail swing shaft hydraulic cylinder is hinged to the side hydraulic cylinder seat, the flat head of the tail swing shaft hydraulic cylinder positioned on the right side of the central line of the lifting device is hinged to the other ear hole of the side swing arm, and the tail of the side tail swing shaft hydraulic cylinder is hinged to the side hydraulic cylinder seat.
The centering process of the double-row slab blank centering device comprises the following steps: firstly, two rows of slabs are stopped on a transport roller way, a cross beam in a lifting device is stopped at a position D and below the roller surface of the transport roller way, a push head E is stopped at a position 1, a push head F is stopped at a position 3, lifting stop heads fixed on four groups of rails are lifted, then the cross beam in the lifting device is driven to be lifted, the two rows of slabs can move towards one side along a cross beam roller hinged on the cross beam in the lifting process, under the stopping action of the push head E, the push head F and the lifting stop heads, one slab can only move between the push head E and the lifting stop heads, the other slab moves between the push head F and the lifting stop heads, when the cross beam in the lifting device is lifted from the position D to the position C, piston rods of a first swing shaft hydraulic cylinder and a third swing shaft hydraulic cylinder are driven to retract, the piston rods drive a first trolley and a third trolley to move towards the direction of the lifting stop heads until the push head E contacts one side surface of the slabs, the piston rods of the first and third groups of middle swing shaft hydraulic cylinders are continuously driven to retract, the piston rods continuously drive the push heads E to push the plate blank to move towards the direction of the lifting stop heads until the other side surface of the plate blank contacts the lifting stop heads, the push heads E move from the position 1 to the position 2, at the moment, the piston rods of the first and third groups of middle swing shaft hydraulic cylinders stop moving, the process can control the movement and pressure maintaining of the middle swing shaft hydraulic cylinders by detecting signals of a pressure sensor on a hydraulic pipeline through a control system, the synchronization of the first and third groups of middle swing shaft hydraulic cylinders is realized by a synchronous motor on the hydraulic pipeline, the movement process of the second and fourth groups of middle swing shaft hydraulic cylinders synchronously with the process is as follows, the piston rods of the second and fourth groups of middle swing shaft hydraulic cylinders are driven to retract, the piston rods drive the second and fourth groups of trolleys to move towards the direction of the lifting stop, the piston rods of the second and the fourth groups of middle swing shaft hydraulic cylinders are continuously driven to retract, the piston rods continuously drive the push head F to push the plate blank to move towards the direction of the lifting stop head until the other side surface of the plate blank contacts the lifting stop head, the push head F moves from the position 3 to the position 4, at the moment, the piston rods of the second and the fourth groups of middle swing shaft hydraulic cylinders stop moving, the control system can detect a pressure sensor signal on a hydraulic pipeline to control the movement and pressure maintaining of the middle swing shaft hydraulic cylinders, then a cross beam in the lifting device is driven to descend, under the stopping action of the push head E, the push head F and the lifting stop head, the two rows of plate blanks fall on a conveying roller bed under the self-weight action, then the piston rods of the first and the third groups of middle swing shaft hydraulic cylinders are driven to extend, the push head E moves towards the direction departing from the lifting stop head, when the piston rods of the, and when the piston rods of the second and the fourth groups of middle swing shaft hydraulic cylinders are all extended, the push head E returns to the position 3 from the position 4 again as shown in figure 5, and the whole centering process is completed. And then driving the conveying roller way to convey the two rows of slabs to the front of the furnace door of the heating furnace. The continuous slab centering can be realized by repeating the above actions, and the device is simple to maintain and convenient to overhaul.
Drawings
FIG. 1 is a front view of a lifting device in an embodiment of an auxiliary double-row slab blank centering device of the present invention;
FIG. 2 is a top view of a lifting device in an embodiment of an auxiliary double row slab blank centering device of the present invention;
fig. 3 is a cross-sectional view a-a of a lifting device in an embodiment of an auxiliary double-row slab blank centering device of the present invention;
fig. 4 is a B-B cross-sectional view of a lifting device in an embodiment of an auxiliary double row slab blank centering device of the present invention;
FIG. 5 is a centering left view of the lifting device in an embodiment of the auxiliary double row slab blank centering device of the present invention;
FIG. 6 is a front view of an embodiment of the lift of the present invention;
FIG. 7 is a top view of an embodiment of the lift device of the present invention;
FIG. 8 is a left side view of an embodiment of the lift of the present invention;
FIG. 9 is a centered left side view of an embodiment of the lift device of the present invention;
Detailed Description
The invention is further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-5, the double-row slab blank centering device and the centering method comprise a trolley 1, a push plate 2, a track 3, a middle swing shaft hydraulic cylinder 4, a support 5 and a base 6.
Eight groups of bases 6 are arranged on the base 6 along the direction of the central line of the conveying roller way, four groups of bases are respectively arranged on two sides of the central line of the conveying roller way, the bases 6 are fixed on a roller way frame, four groups of tracks 3 are arranged on the tracks 3 along the direction of the central line of the conveying roller way, each group of tracks 3 are fixed on the bases 6 which are correspondingly arranged on two sides of the central line of the conveying roller way and are provided with two trolleys 1, for each group of tracks 3, the trolleys 1 are respectively arranged on two sides of the central line of the conveying roller way, and the trolleys can freely move in the tracks 3 as shown in figures 1, 2.
The two groups of push plates 2 are respectively arranged at two sides of the central line of the conveying roller way, one side push plate 2 positioned at the central line of the conveying roller way is fixed on the four groups of trolleys 1 at the side, and the other side push plate 2 positioned at the central line of the conveying roller way is fixed on the four groups of trolleys 1 at the side as shown in figures 2, 3 and 4.
Four groups of middle swing shaft hydraulic cylinders 4 are arranged along the central line direction of the conveying roller way, the flat heads of the first and the third groups of middle swing shaft hydraulic cylinders 4 are positioned at one side of the central line of the conveying roller way, namely the side B, the flat heads of the second and the fourth groups of middle swing shaft hydraulic cylinders 4 are positioned at the other side of the central line of the conveying roller way, namely the side A, the four groups of supports 5 are arranged along the central line direction of the conveying roller way and are respectively fixed below the four groups of tracks 3, the flat head of the first group of middle swing shaft hydraulic cylinders 4 is hinged on an ear hole at the lower part of the trolley 1 clamped at the side B in the first group of tracks 3, the flat head of the first group of middle swing shaft hydraulic cylinders 4 is hinged on the support 5 fixed below the first group of tracks 3, the flat head of the third group of middle swing shaft hydraulic cylinders 4 is hinged on an ear hole at the lower part of the trolley 1 clamped, the flat heads of the second group of middle swing shaft hydraulic cylinders 4 are hinged on the ear holes at the lower part of the trolley 1 clamped at the side A in the second group of tracks 3, the flat heads of the fourth group of middle swing shaft hydraulic cylinders 4 are hinged on the support 5 fixed below the fourth group of tracks 3, the flat heads of the fourth group of middle swing shaft hydraulic cylinders 4 are hinged on the ear holes at the lower part of the trolley 1 clamped at the side A in the fourth group of tracks 3, the flat heads of the fourth group of middle swing shaft hydraulic cylinders 4 are hinged on the support 5 fixed below the fourth group of tracks 3, the trolley 1 clamped in the first, second, third and fourth groups of tracks 3 and positioned at the side A is connected into a whole (for short, a push head E) through the push plate 2, and the trolley 1 clamped in the first, second, third and fourth groups of tracks 3 and positioned at the side B is connected into a whole (for short.
Example 2
On the basis of the above embodiment, the whole centering process of the double-row slab blank centering device is as follows: firstly, two rows of slabs are stopped on a transport roller way, a cross beam in a lifting device is stopped at a position D and below the roller surface of the transport roller way, a push head E is stopped at a position 1, a push head F is stopped at a position 3, lifting stop heads fixed on four groups of rails 3 are lifted, then the cross beam in the lifting device is driven to be lifted, the two rows of slabs can move towards one side along cross beam rollers hinged on the cross beam in the lifting process, one slab can only move between the push head E and the lifting stop heads and the other slab moves between the push head F and the lifting stop heads under the stopping action of the push head E, the push head F and the lifting stop heads, when the cross beam in the lifting device is lifted from the position D to the position C, piston rods of a first swing shaft hydraulic cylinder 4 and a third swing shaft hydraulic cylinder 4 are driven to retract, the piston rods drive the first trolley 1 and the third trolley 1 to move towards the lifting stop heads, until the push head E contacts one side surface of the plate blank, the piston rods of the first and the third groups of middle swing shaft hydraulic cylinders 4 are continuously driven to retract, the piston rods continuously drive the push head E to push the plate blank to move towards the direction of the lifting stop head, when the other side surface of the plate blank contacts the lifting stop head, the push head E moves from the position 1 to the position 2, at the moment, the piston rods of the first and the third groups of middle swing shaft hydraulic cylinders 4 stop moving, the process can control the movement of the middle swing shaft hydraulic cylinders 4 and maintain pressure by detecting a pressure sensor signal on a hydraulic pipeline through a control system, the synchronization of the first and the third groups of middle swing shaft hydraulic cylinders 4 is realized by a synchronous motor on the hydraulic pipeline, the movement process of the second and the fourth groups of middle swing shaft hydraulic cylinders 4 which is synchronous with the process is as follows, the piston rods of the second and the fourth groups of middle, The four groups of trolleys 1 move towards the direction of the lifting stop head until the push head F contacts one side surface of the plate blank, piston rods of the second and the four groups of middle swing shaft hydraulic cylinders 4 are continuously driven to retract, the piston rods continuously drive the push head F to push the plate blank to move towards the direction of the lifting stop head until the other side surface of the plate blank contacts the lifting stop head, the push head F moves from the position 3 to the position 4, at the moment, the piston rods of the second and the four groups of middle swing shaft hydraulic cylinders 4 stop moving, in the process, a control system detects a pressure sensor signal on a hydraulic pipeline to control the movement and pressure maintaining of the middle swing shaft hydraulic cylinders 4, then a cross beam in the lifting device is driven to descend, under the stopping action of the push head E, the push head F and the lifting stop head, two rows of plate blanks fall on a conveying roller bed under the self-weight, and then the piston rods of the, the push head E moves towards the direction departing from the lifting stop head, when the piston rods of the first and third groups of middle swing shaft hydraulic cylinders 4 are all extended, the push head E returns to the position 1 from the position 2 again, meanwhile, the piston rods of the second and fourth groups of middle swing shaft hydraulic cylinders 4 are driven to be extended, the push head F moves towards the direction departing from the lifting stop head, when the piston rods of the second and fourth groups of middle swing shaft hydraulic cylinders 4 are all extended, the push head E returns to the position 3 from the position 4 again as shown in figure 5, and the whole centering process is completed. And then driving the conveying roller way to convey the two rows of slabs to the front of the furnace door of the heating furnace.
Example 3
As shown in fig. 6-9, the lifting device for assisting the centering of double-row slab blanks comprises a lifting beam assembly, a swing arm system and a driving system.
The lifting beam assembly comprises supports A4, cross beams A1, rollers A2 and connecting beams A3, wherein three groups of the cross beams A1 are arranged along the center line of a conveying roller way, three groups of the supports A4 are arranged along the center line of the conveying roller way, the three groups of the supports A4 are fixed on one side frame of the conveying roller way, one end of each group of the cross beams A1 is hinged to a support A4 corresponding to the group of the cross beams A1, the upper part of each group of the cross beams A1 is sequentially hinged with 8 rollers A2, and the connecting beams A3 are fixed on the lower parts of the three groups of the cross beams A1 to form a frame structure as shown in.
The swing arm a7 system comprises a bearing seat A6, a base a5, a swing arm a7 and a guide wheel A8, wherein a swing arm 7 positioned on the left side of the center line of the lifting device is hinged on the side bearing seat A6, the side bearing seat A6 is fixed on the side base a5, the side guide wheel A8 is hinged on an ear hole of the side swing arm a7, the outer contour of the side guide wheel A8 is in contact with the lower face of a connecting beam A3, the swing arm 7 positioned on the right side of the center line of the lifting device is hinged on the side bearing seat A6, the side bearing seat A6 is fixed on the side base a5, the side guide wheel A8 is hinged on an ear hole of the side swing arm a7, and the outer contour of the side guide wheel a 398 is in contact with the lower face of the connecting beam A3 as shown in.
The driving system comprises a tail swing shaft hydraulic cylinder A10 and a hydraulic cylinder seat A9, wherein the flat head of the tail swing shaft hydraulic cylinder A10 positioned on the left side of the central line of the lifting device is hinged to the other ear hole of the side swing arm A7, the tail of the side tail swing shaft hydraulic cylinder A10 is hinged to the side hydraulic cylinder seat A9, the flat head of the tail swing shaft hydraulic cylinder A10 positioned on the right side of the central line of the lifting device is hinged to the other ear hole of the side swing arm A7, and the tail of the side tail swing shaft hydraulic cylinder A10 is hinged to the side hydraulic cylinder seat A9 as shown in figures 6 and 7.
The whole lifting process of the lifting device is as follows: firstly, two rows of slabs are stopped on a conveying roller way, piston rods of two groups of tail swing shaft hydraulic cylinders A10 are all retracted, a cross beam A1 is stopped at a position A and is arranged below the roller surface of the conveying roller way, then a lifting stop head fixed on a centering device is lifted, piston rods of two groups of tail swing shaft hydraulic cylinders A10 are driven to extend, the piston rods drive two groups of swing arms A7 to rotate anticlockwise around respective connecting centers, a guide wheel A8 hinged on the two groups of swing arms A7 drives a connecting beam A3 and three groups of cross beams A1 to rotate clockwise around respective hinge centers of the three groups of cross beams A1, in the lifting process of the three groups of cross beams A1, a roller A2 fixed on the three groups of cross beams A1 gradually contacts the slabs, due to the fact that the roller A2 rotates around the rotation centers of the roller A2, the two rows of slabs can move to one side in the process, and under the action of push plates and the, and (3) blocking the two rows of slabs, and when the piston rods of the two groups of tail swing shaft hydraulic cylinders A10 are fully extended, the three groups of cross beams A1 reach a position B, and the two rows of slabs are lifted to be separated from the roller surface. Then, push plates on two sides of a transport roller way of the centering device are driven to center two rows of slabs by taking lifting stoppers as references, piston rods of two groups of tail swing shaft hydraulic cylinders A10 are driven to retract, three groups of cross beams A1 and connecting beams A3 rotate anticlockwise around respective hinge centers under the action of self weight and the self weight of the two rows of slabs, two groups of swing arms A7 rotate clockwise around respective hinge centers, and two groups of guide wheels 8 roll along the lower portions in contact with the connecting beams A3. Under the stopping action of the push plates and the lifting stop heads positioned on the two sides of the conveying roller way, the two rows of plate blanks cannot move along the roller A2, so that the centering effect of the plate blanks is ensured. When the piston rods of the two groups of tail swing shaft hydraulic cylinders A10 are all retracted, the three groups of beams A1 return to the position A from the position B, and the lifting-descending process is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (3)

1. The utility model provides a double slab blank centering device which characterized in that: the device comprises a plurality of bases fixed on a roller way frame, wherein the bases are correspondingly arranged on two sides of the central line of a conveying roller way; a group of rails is erected on the two opposite bases; each group of tracks is fixed in the corresponding transport roller way of the group of tracks, and each group of tracks is provided with two trolleys; the two trolleys are respectively positioned at two sides of the central line of the conveying roller way and freely move in the track, and the trolleys at the same side are connected into a whole through a push plate;
and the middle swing shaft hydraulic cylinder is arranged on the track and is used for driving the small sides at the two sides to move oppositely along the track.
2. The dual row slab blank centering device of claim 1, wherein: the lifting beam assembly, the swing arm system and the driving system are sequentially arranged from top to bottom; the driving system is used for driving the lifting beam assembly to do lifting motion by driving the swing arm system;
wherein, the lifting beam assembly includes: a plurality of supports fixed on a side frame of the conveying roller way; the plurality of supports are arranged at intervals along the central line of the conveying roller way;
a group of cross beams are hinged to each support; the upper part of each group of cross beams is sequentially hinged with a plurality of rollers;
and the lower parts of the multiple groups of cross beams are fixed with connecting beams.
3. The dual row slab blank centering device of claim 2, wherein: swing arm system sets up in the tie-beam below, includes: the base is hinged with a swing arm through a bearing seat; the free end of the swing arm is hinged with a guide wheel through an ear hole; the outer contour of the guide wheel is contacted with the lower surface of the connecting beam.
CN202010249017.6A 2020-03-31 2020-03-31 Double-row slab blank centering device Pending CN111321288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010249017.6A CN111321288A (en) 2020-03-31 2020-03-31 Double-row slab blank centering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010249017.6A CN111321288A (en) 2020-03-31 2020-03-31 Double-row slab blank centering device

Publications (1)

Publication Number Publication Date
CN111321288A true CN111321288A (en) 2020-06-23

Family

ID=71166132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010249017.6A Pending CN111321288A (en) 2020-03-31 2020-03-31 Double-row slab blank centering device

Country Status (1)

Country Link
CN (1) CN111321288A (en)

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