CN108273856B - Hydraulic stepping square billet feeding device with automatic steel dividing function - Google Patents
Hydraulic stepping square billet feeding device with automatic steel dividing function Download PDFInfo
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- CN108273856B CN108273856B CN201711328817.1A CN201711328817A CN108273856B CN 108273856 B CN108273856 B CN 108273856B CN 201711328817 A CN201711328817 A CN 201711328817A CN 108273856 B CN108273856 B CN 108273856B
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- pusher dog
- steel
- track beam
- trolley
- movable
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to the field of hot rolled bars, wires and section steel rolling by taking square casting blanks as raw materials in the metallurgical industry, in particular to a hydraulic stepping square blank feeding device with an automatic steel dividing function. The tumbler type pusher dog is provided with a rotation center hole, the tumbler type pusher dog is connected with a frame through a pin shaft, and wheels of a pusher dog trolley are in a single-side band rim form; the pusher dog trolley is placed on the supporting guide rail, and one end of the pusher dog trolley is connected with a swing arm of the hydraulic cylinder driving device through a connecting rod; the movable track beam is arranged at the tail end of the fixed track beam of the feeding rack, two sides of the movable track beam are provided with movable hinge points, the movable track beam can swing in an arc line around the fixed hinge points, the fixed hinge side hinge support is arranged on the public support base, and the movable hinge points are connected with a driving oil cylinder of the hydraulic cylinder driving device. The device can simultaneously meet the feeding and steel separating functions, and has the characteristics of compact structural design, flexible arrangement and placement, light overall weight of equipment and the like.
Description
Technical Field
The invention relates to a rolling production line of hot rolled bars, wires and section steel by taking square casting blanks as raw materials in the metallurgical industry, which solves the problem that the rolling production line needs to automatically feed raw materials to a heating furnace or a front conveying roller way of a rolling mill one by one.
Background
China is the country with the largest global coarse steel productivity, and the annual coarse steel productivity almost occupies nearly half of the global coarse steel productivity and reaches about 6 hundred million tons. With the continuous growth and development of the social infrastructure industry in China, the construction steel is always the largest consumer product of steel products in China, and almost all steel enterprises are matched with bar and wire materials and section bar production lines. According to the initial temperature division of the steel billets, the feeding forms of the existing production line can be basically divided into two types, wherein the first type is hot billet feeding. The rolling line raw materials are directly from a continuous casting workshop, the conveying distance is short, the heat preservation of casting blanks is good, and groups of casting blanks meeting the rolling temperature requirement directly enter a rolling mill one by one for rolling after being subjected to steel separation by a buffer rack and a steel separation device; the casting blank conveying distance is long, and the casting blank with the temperature difference is heated by a heating furnace to reach the rolling temperature and then enters a rolling mill for rolling one by one. The second type is cold billet feeding, wherein cold billets are lifted by raw materials through a crane and placed on a feeding rack, a steel separating device is used for taking materials from the feeding rack one by one and placing the materials on a conveying roller way in front of a heating furnace, and the materials are heated by the heating furnace to reach rolling temperature and then enter a rolling mill one by one for rolling. According to the above, no matter the hot billet is fed or the cold billet is fed, the initial end of the rolling line is not matched with a feeding rack (or a buffer storage rack) and a steel separating device according to the rolling process requirement. The existing feeding rack (or buffer rack) is designed with two types of hydraulic stepping and electric stepping, and the feeding rack consists of a static beam device, a movable beam device and a driving device; the steel separating device is basically hydraulically driven and has a small number of matched electric modes, and the steel separating device consists of a steel separating telescopic arm assembly and a telescopic guide rail and requires synchronous control of telescopic arms.
The feeding scheme has the following defects: 1. the feeding rack and the steel separating device have the advantages of large equipment weight, large occupied area and high manufacturing cost, particularly the electric stepping feeding rack, one equipment is sixty tons, the manufacturing cost is very high, and many users are faced with the difficulty; 2. the existing steel separating device is basically the same in structure regardless of hydraulic drive or electric drive, synchronous telescopic control of the steel taking arm is required, synchronous requirements are high, the telescopic arm is provided with a displacement sensor, and equipment operation stability is poor; 3. the feeding rack and the steel separating device are two independent sets of equipment, are arranged on the same station, have overlapping areas, are also arranged in an interpenetration manner in the middle, are crowded in equipment arrangement, and are not beneficial to overhauling and maintenance during use.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the automatic control stepping feeding device which integrates feeding and steel dividing functions, is compact in arrangement, simple in structure and low in manufacturing cost, and meets the feeding requirements of a hot rolled bar, wire rod and section steel rolling production line taking square casting blanks as raw materials. The size of this loading attachment material loading load can set up according to user's actual demand, and the length and the width of arranging of equipment all can nimble design.
The technical scheme adopted by the invention is as follows: the utility model provides a take automatic hydraulic pressure marching type square billet loading attachment who divides steel function, includes fixed track roof beam, thumb wheel dolly supporting rail, a set of movable track roof beam, a set of pneumatic cylinder drive arrangement and the public base of supporting of a set of steel construction that divides steel function, public base of supporting includes first base crossbeam, second base crossbeam and supports the base, its characterized in that: the fixed track beams are arranged perpendicular to the length direction of the square raw material casting blank, the supporting guide rails are arranged adjacent to the fixed track beams, and the fixed track beams and the supporting guide rails are jointly arranged on a common supporting base of the steel structure; the tumbler type pusher dog trolley consists of wheels, a frame and tumbler type pusher dogs, wherein the tumbler type pusher dogs are in a steel structure form, a rotation center hole is formed in each tumbler type pusher dog, and the position of each rotation center hole is deviated to the upper part of each tumbler type pusher dog, so that the gravity center of each pusher dog is always lower than that of each rotation center hole; the tumbler type pusher dog is connected with the frame through a pin shaft, and a stop is arranged on the frame, so that the tumbler type pusher dog can be one-way inclined; the wheels of the pusher dog trolley are in a single-side band rim form, each group of pusher dog trolley at least consists of 4 wheels, and the frame is of a welded steel structure; the pusher dog trolley is placed on the supporting guide rail, and one end of the pusher dog trolley is connected with a swing arm of the hydraulic cylinder driving device through a connecting rod; the movable track beam is arranged at the tail end of the fixed track beam of the feeding rack, two sides of the movable track beam are provided with movable hinge points, the movable track beam can swing in an arc line around the fixed hinge points, the fixed hinge side hinge support is arranged on the public support base, and the movable hinge points are connected with a driving oil cylinder of the hydraulic cylinder driving device.
According to the hydraulic stepping square billet feeding device with the automatic steel dividing function, which is characterized in that: the fixed track beam consists of standard steel rails and a welded steel structure supporting beam.
According to the hydraulic stepping square billet feeding device with the automatic steel dividing function, which is characterized in that: the support guide rails are welding structure workpieces, each group of support guide rails consists of two C-shaped rails which are oppositely arranged, and the pusher dog trolley walks in the C-shaped rails.
According to the hydraulic stepping square billet feeding device with the automatic steel dividing function, which is characterized in that: the movable track beam is a steel structure beam, steel rails of the same type as the fixed track beam are arranged on the movable track beam, and a stop is arranged at one end of the outer side of each steel rail of the movable track beam.
According to the hydraulic stepping square billet feeding device with the automatic steel dividing function, which is characterized in that: the hydraulic cylinder driving device respectively controls the pusher dog trolley stepping driving unit and the movable track beam swinging driving unit.
Compared with the prior art, the invention has the beneficial effects that the two sets of equipment of the feeding rack and the steel separating device are combined into one, the original feeding and the steel separating are realized as two independent equipment, and the feeding and the steel separating functions can be simultaneously met by only one piece of equipment at present; and secondly, the structural design of the equipment is very compact, the arrangement and the arrangement are flexible, the overall weight of the equipment is light, and the single equipment with the same functional load is only one third of the sum of the weights of the two original equipment. Meanwhile, due to the structural advantage, the manufacturing cost of the equipment foundation is reduced, so that the investment cost of a user can be greatly reduced; and the control element of the equipment is basically the same as the traditional control element, but the control mode is optimized and improved, the control operation is simple, and the operation of the equipment is stable.
Drawings
Figure 1 is a top view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of the present invention (the extension state of the drive cylinder).
FIG. 4 is a front view of a tumbler finger.
FIG. 5 is a side cross-sectional view of the tumbler finger.
Fig. 6 is a schematic perspective view of the pawl cart (a state in which the pawl is not mounted).
Fig. 7 is a schematic view of a C-track.
Fig. 8 is a right side view of the present invention (the retracted state of the drive cylinder).
Fig. 9 is a schematic view of a fixed track beam.
Fig. 10 is a schematic view of a connecting rod.
Reference numerals illustrate: the device comprises a fixed track beam 1, a support guide rail 2, a first support base beam 3, a second support base beam 4, a hydraulic cylinder driving device 5, a pusher dog trolley 6, a movable track beam 7, a support base 8, a roller way 9 and a rotation center hole 10.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 10, a hydraulic stepping square billet feeding device with an automatic steel dividing function comprises a plurality of groups of fixed track beams 1, a plurality of groups of hydraulic driving pusher dog dollies 6, a plurality of sets of pusher dog dolly support guide rails 2, a set of movable track beams 7 with a steel dividing function, a set of hydraulic cylinder driving devices 5 and a set of steel structure public support base, wherein the public support base comprises a first support base beam 3, a second support base beam 4 and a support base 8. The roller tables 9 of the present invention are mounted on a support base 8. The fixed track beam 1 consists of standard steel rails and a welding steel structure supporting beam, and the fixed track beam 1 is fixed on the first supporting base beam 3 and the second supporting base beam 4 through pressing plates and bolts. The fixed track beams 1 are arranged perpendicular to the length direction interval L1 of the square raw material casting blanks, the arrangement interval L1 and the arrangement number N1 of the fixed track beams 1 are determined according to the length of the raw material casting blanks, and the length b1 of the fixed track beams 1 is determined according to the blank storage capacity required by feeding and the reserved arrangement space of a production line. The fixed rail beam 1 is a load bearing member for a raw material ingot.
As shown in fig. 6, the hydraulically driven finger cart 6 of the present invention is comprised of a wheel assembly, a frame, and a "tumbler" finger. As shown in fig. 4 and 5, the tumbler type pulling claw is in a steel structure, specifically, the pulling claw is formed by blanking and welding steel plates, a rotation center hole 10 is formed in the pulling claw, and the position of an opening is biased to the upper part of the pulling claw, so that the gravity center of the pulling claw is always lower than that of the rotation center hole. The pusher dog is connected with the frame through a pin shaft, and a stop is arranged on the frame, so that the pusher dog can be one-way inclined, and the working surface of the pusher dog is perpendicular to the track surface during working. The pusher dog trolley 6 is placed on the support guide rail 2, one end of the pusher dog trolley 6 is connected with a swing arm of the hydraulic cylinder driving device 5 through a connecting rod and is an actuating component of power. The wheels of the pusher dog trolley 6 are in a single-side band rim form, each group of pusher dog trolley 6 at least consists of 4 wheels, and the frame is of a welded steel structure. The number of the tumbler-type pulling claws of the pulling claw trolley 6 is determined according to the length b1 of the fixed track beam 1 and the grouping requirement of the square casting blank of the raw material, the pulling claws are exposed out of the upper rail surface of the fixed track beam 1, and the exposed height is approximately equal to half of the section height of the square casting blank. The pusher dog is installed on the frame, can one-way lodging, and the pusher dog one side is lodged when touching the casting blank when the dolly is retreated and reset and is passed through the casting blank bottom, after crossing the casting blank bottom, the pusher dog is erectly by oneself under the action of gravity, and the working face is perpendicular to the fixed rail face, drives the casting blank on the fixed rail and slides forward when pusher dog dolly 6 is stepped, and the pusher dog can not lodge under spacing blocking effect when stepping, and the casting blank is stirred together with the movement of pusher dog dolly 6 and is advanced, and step stroke S can be set up in a flexible way according to the in-service use demand.
The support guide rails 2 are arranged at intervals L4 adjacent to the fixed rail beams 1 and are jointly mounted on a steel structure public support base. The supporting guide rails 2 are welding structure workpieces, as shown in fig. 7, each group of the supporting guide rails 2 consists of two opposite C-shaped rails, the pusher dog trolley 6 walks in the C-shaped rails, the supporting guide rails 2 play roles of supporting the pusher dog trolley 6 and guiding and positioning, each feeding device is generally provided with 4 groups of the supporting guide rails 2, and the arrangement space of the supporting guide rails 2 is used for meeting the principles that at least two pusher dogs are contacted with square casting blanks when the pusher dogs dial steel and ensuring the straight front behavior when the casting blanks step.
The movable track beam 7 with the steel dividing function is one of the main innovation points of the feeding device, the movable track beam 7 is a steel structure beam, a small section of steel rail with the same type as the fixed track beam 1 is arranged on the beam, one end of the outer side of the steel rail of the movable track beam 7 is provided with a stop, and the stop plays a role of preventing casting blanks from falling out of the movable track beam 7 and simultaneously cooperates with a pusher dog to push steel, and plays a role of straightening the casting blanks to a certain extent. The two sides of the movable track beam 7 are provided with movable hinge points, and the movable track beam 7 is arranged at the tail end of the fixed track beam 1 of the feeding rack and is right below the conveying roller way. The movable track beam 7 can swing in an arc line around a fixed hinge point, the fixed hinge side hinge support is arranged on the public support base, the movable hinge point is connected with a driving oil cylinder of the hydraulic cylinder driving device 5, when a cylinder rod of the driving oil cylinder stretches out, the movable track beam 7 is lifted to be in a horizontal state, the track surface of the movable track beam 7 is flush with the track surface of the fixed track beam 1 and is higher than the height of the roll surface of the conveying roll table, and casting blanks are waited for. After receiving the in-place signal of the casting blank, the driving oil cylinder is retracted, as shown in fig. 8, the movable rail beam 7 swings with the casting blank, the rail surface is lowered, a single casting blank is placed on the conveying roller way, the conveying roller way takes away the casting blank, and the movable rail beam 7 is lifted again, so that one action cycle is completed. For different casting blank section sizes, only the stepping stroke of the pusher dog trolley 6 is controlled to ensure that the movable track beam 7 only receives one casting blank at a time, so that the function of separately placing groups of casting blanks on the conveying roller way one by one is realized in a one-lifting-one-lowering process of the movable track beam 7.
The hydraulic cylinder driving device 5 is a driving mechanism for stepping action of a pusher dog trolley 6 and steel-separating swing of a movable track beam 7 of the feeding device. The hydraulic cylinder driving device 5 respectively controls the stepping driving unit of the pusher dog trolley 6 and the swinging driving unit of the movable track beam 7. The stepping driving unit of the pusher dog trolley 6 consists of a swinging synchronous shaft, a swinging arm and a driving oil cylinder. The length of the raw material casting blank determines the width of the feeding device, namely the length of the synchronous shaft, and the length of the raw material casting blank is generally 9 to 12 meters, so that the synchronous shaft is divided into two sections, four bearing seats are coaxially supported, two driving oil cylinders are arranged, and the two driving oil cylinders are all arranged on a common supporting base. The swing arm on the synchronizing shaft is connected with the pusher dog trolley 6 through a connecting rod, and the oil cylinder stretches and contracts to drive the synchronizing shaft to swing back and forth to drive the pusher dog trolley 6 to move forwards and backwards, so that the casting blank slides on the fixed track beam 1 in a stepping mode. The purpose of controlling the stepping stroke can be achieved by installing a rotary encoder on the synchronous shaft or installing a displacement sensor on the driving oil cylinder to control the telescopic stroke of the driving oil cylinder.
The swing driving unit of the steel-separating movable track beam 7 is simpler in configuration, and is only composed of two small-specification oil cylinders and supports due to small supporting load, and the swing driving unit is arranged on a public supporting base, so that the telescopic condition of the oil cylinders can be controlled by a proximity switch or a travel switch.
When the length of the raw material casting blank is shorter and is smaller than 9 meters, and the width of the feeding device is designed smaller, two driving units of the hydraulic cylinder driving device 5 can be respectively designed according to 1 driving hydraulic cylinder. The steel structure public support base is composed of a first support base beam 3, a second support base beam 4 and a support base 8, and is arranged on a concrete foundation. The three steel structures are evenly divided into left and right 1 piece respectively, the first supporting base beam 3 supports one end of the fixed rail beam 1 and the pusher dog trolley 6 supporting the guide rail 2, and if other equipment is arranged in front of the feeding device, for example, when receiving a casting blank sent by heat, the fixed rail beam 1 can be designed into a whole with a casting blank lifter and a casting blank slideway base. The second supporting base cross beam 4 is used for installing and supporting the other end of the fixed track beam 1, the middle part of the supporting guide rail 2 and a part of the fixed hinged support of the steel movable track beam 7. The supporting base 8 is a common base of the hydraulic cylinder driving device 5, the supporting guide rail 2 and the conveying roller way, has relatively complex structure and large load, and is required to have higher design strength.
Claims (2)
1. The utility model provides a take automatic hydraulic pressure marching type square billet loading attachment who divides steel function, includes fixed track roof beam, thumb wheel dolly supporting rail, a set of movable track roof beam, a set of pneumatic cylinder drive arrangement and the public supporting base of a set of steel construction that divide the steel function, the public supporting base of steel construction includes first supporting base crossbeam, second supporting base crossbeam and supporting base, its characterized in that: the fixed track beams are arranged perpendicular to the length direction of the square billet, the pusher dog trolley support guide rail is arranged adjacent to the fixed track beams, and the fixed track beams and the pusher dog trolley support guide rail are jointly installed on a steel structure public support base; the tumbler type pusher dog trolley consists of wheels, a frame and a tumbler type pusher dog, wherein the tumbler type pusher dog is in a steel structure form, a rotation center hole is formed in the tumbler type pusher dog, and the position of the rotation center hole is deviated to the upper part of the tumbler type pusher dog, so that the gravity center of the tumbler type pusher dog is always lower than that of the rotation center hole; the tumbler type pusher dog is connected with the frame through a pin shaft, and a stop is arranged on the frame, so that the tumbler type pusher dog can be one-way inclined; the wheels of the pusher dog trolley are in a single-side band rim form, each group of pusher dog trolley at least consists of 4 wheels, and the frame is of a welded steel structure; the pusher dog trolley is placed on the pusher dog trolley supporting guide rail, and one end of the pusher dog trolley is connected with a swing arm of the hydraulic cylinder driving device through a connecting rod; the movable track beam is arranged at the tail end of the fixed track beam, the movable track beam can swing in an arc line around a fixed hinge point, a hinged support at the fixed hinge side of the movable track beam is arranged on a steel structure public support base, two sides of the movable track beam are provided with movable hinge points, and the movable hinge points are connected with a driving oil cylinder of the hydraulic cylinder driving device; the movable track beam is a steel structure beam, steel rails of the same type as the fixed track beam are arranged on the movable track beam, and a stop is arranged at one end of the outer side of each steel rail of the movable track beam; the hydraulic cylinder driving device respectively controls the pusher dog trolley stepping driving unit and the movable track beam swinging driving unit.
2. The hydraulic stepping billet feeding device with an automatic steel separating function according to claim 1, wherein: and each group of the pusher dog trolley supporting guide rails consists of two C-shaped rails which are oppositely arranged, and the pusher dog trolley walks in the C-shaped rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328817.1A CN108273856B (en) | 2017-12-13 | 2017-12-13 | Hydraulic stepping square billet feeding device with automatic steel dividing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328817.1A CN108273856B (en) | 2017-12-13 | 2017-12-13 | Hydraulic stepping square billet feeding device with automatic steel dividing function |
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| Publication Number | Publication Date |
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| CN108273856A CN108273856A (en) | 2018-07-13 |
| CN108273856B true CN108273856B (en) | 2023-08-22 |
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| CN201711328817.1A Active CN108273856B (en) | 2017-12-13 | 2017-12-13 | Hydraulic stepping square billet feeding device with automatic steel dividing function |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926555B (en) * | 2019-04-10 | 2024-01-23 | 中国重型机械研究院股份公司 | Cold-feeding off-line blank discharging system and method for hydraulic steel drawing machine and rectangular casting blank continuous casting machine |
| CN112453339B (en) * | 2020-11-25 | 2022-05-20 | 中冶南方连铸技术工程有限责任公司 | Steel splitting system for continuous casting |
| CN114132744A (en) * | 2021-11-23 | 2022-03-04 | 北京中冶设备研究设计总院有限公司 | Square billet steel splitting device |
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| CN108273856A (en) | 2018-07-13 |
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