CN108188174A - A kind of channel steel rolling production line - Google Patents

A kind of channel steel rolling production line Download PDF

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Publication number
CN108188174A
CN108188174A CN201711367719.9A CN201711367719A CN108188174A CN 108188174 A CN108188174 A CN 108188174A CN 201711367719 A CN201711367719 A CN 201711367719A CN 108188174 A CN108188174 A CN 108188174A
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CN
China
Prior art keywords
channel steel
bottom plate
plate
forming roller
rack
Prior art date
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Granted
Application number
CN201711367719.9A
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Chinese (zh)
Other versions
CN108188174B (en
Inventor
周坚
王荣华
王耀琼
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Nantong Heavy Metal Materials Co Ltd
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Nantong Heavy Metal Materials Co Ltd
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Priority to CN201711367719.9A priority Critical patent/CN108188174B/en
Publication of CN108188174A publication Critical patent/CN108188174A/en
Application granted granted Critical
Publication of CN108188174B publication Critical patent/CN108188174B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/08Metal-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 structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/095U-or channel sections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B13/00Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06Lubricating, cooling or heating rolls
    • B21B27/10Lubricating, cooling or heating rolls externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02Rolling stand frames or housings; Roll mountings ; Roll chocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B21B31/06Fastening stands or frames to foundation, e.g. to the sole plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B13/00Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/021Twin mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06Lubricating, cooling or heating rolls
    • B21B27/10Lubricating, cooling or heating rolls externally
    • B21B2027/103Lubricating, cooling or heating rolls externally cooling externally

Abstract

The invention discloses a kind of channel steel rolling production lines, solve the technical issues of existing channel steel rolling production line low production efficiency, its key points of the technical solution are that:Including the boiler heated to bar, it is arranged on the hot-rolling mill that roughing is carried out to bar in boiler downstream, further include the molding machine that finish rolling is carried out to arch blank for being arranged on hot-rolling mill downstream, the molding machine includes the forming roller that hot bending is carried out to arch blank, and distance is less than the length of arch blank between the hot-rolling mill and molding machine;Further include the aerial fog nozzle system cooled down to forming roller, due to being provided with Spray Cooling System on forming roller, therefore, it after arch blank is exported from hot-bending machine, can immediately enter in molding machine, carry out finish rolling operation, it is cooled down without waiting for arch blank, since continuous production can be carried out, can greatly improve production efficiency, and vapor cooling system for use can cool down forming roller, ensure that the service life of forming roller.

Description

A kind of channel steel rolling production line
Technical field
The present invention relates to steel processing technique field, more specifically, it relates to a kind of channel steel rolling production line.
Background technology
During the channel steel rolling of pre-buried channel flow, need for cylindrical bar to be rolled into the channel steel of C-shaped, roll Cheng Zhong needs to use multiple milling trains being arranged in order, and each milling train includes upper and lower two rolls, each roll outer surface, circumferential direction It is equipped with cam or recessed circle according to actual needs, by milling train, complete channel steel is ultimately formed by the rolling of milling train successively for bar.
Notification number provides a kind of production of hot rolling hot forming with tooth T type groove steel for the patent of invention of CN101433907B Technique after bar is sent into heating furnace, is heated to 1200-1500 DEG C, is then first sent into Hot Rolling Mill and carries out roughing, rolls Into toothed arch blank, then it is re-fed into hot bending unit and carries out hot bending operation, final molding.
In the prior art, the processing temperature of hot-rolling mill is 1200-1500 DEG C, and the processing temperature of hot-bending machine is 850 DEG C or so, Therefore, hot-rolling mill is usually separately produced with hot-bending machine, after arch blank is exported from hot-rolling mill, needs first to stand one The section time is cooled down, and is cooled to 850 DEG C or so and then is sent into molding machine, carries out hot bending operation, otherwise easily because of bow Shape blank temperature is excessively high and the forming roller of hot-bending machine is caused to damage.Due to needing after waiting for the cooling of arch blank, ability Hot bending operation is carried out, therefore, greatly reduces production efficiency.
Invention content
It in view of the deficiencies of the prior art, can be with continuous production the object of the present invention is to provide a kind of channel steel rolling production line And then improve production efficiency.
The present invention above-mentioned technical purpose technical scheme is that:A kind of channel steel rolling production line, Including the boiler heated to bar, the hot-rolling mill that roughing is carried out to bar in boiler downstream is arranged on, further includes and is arranged on The molding machine that finish rolling is carried out to arch blank in hot-rolling mill downstream, the molding machine include carrying out arch blank the molding of hot bending Roller, distance is less than the length of arch blank between the hot-rolling mill and molding machine;Further include the aerosol cooled down to forming roller Nozzle system.
By using above-mentioned technical proposal:Due to being provided with Spray Cooling System on forming roller, when arch blank It after being exported from hot-bending machine, can immediately enter in molding machine, carry out finish rolling operation, be cooled down without waiting for arch blank, by In continuous production can be carried out, therefore can greatly improve production efficiency, and vapor cooling system for use can to forming roller into Row cooling, ensure that the service life of forming roller.
Preferably, further include the bottom plate for being arranged on hot-rolling mill downstream, the molding machine is for several and along the length of bottom plate The setting of direction linear array is spent, the axial sliding of the bottom plate along forming roller sets on the ground and can slide onto arch base Expect side, be additionally provided on the bottom plate for secure a base plate to hot-rolling mill front fixing device.
By using above-mentioned technical proposal:When the arch blank exported in wanting to hot-rolling mill is detected, release solid Determine fixation of the device to bottom plate, bottom plate and molding machine are slided into the side of hot-rolling mill, hot-rolling mill will not play bottom plate at this time To any blocking, the arch blank exported in hot-rolling mill can be taken out at this time.And it can flexibly be produced, reasonably It chooses whether to carry out hot bending operation, improves the producible product category of production line, reduce production cost.
Preferably, ground is equipped with the accommodating cavity placed and slid for bottom plate, the bottom surface upper edge bottom of the accommodating cavity The width direction of plate is equipped with sliding rail, and the fixing device includes being symmetricly set on the clamping jaw of sliding rail both sides, and the clamping jaw is opposite to be turned Dynamic to be arranged on bottom plate, the bottom plate is equipped with the fixing piece that two clamping jaws of driving are pushed against sliding rail side.
By using above-mentioned technical proposal:Bottom plate and runner are arranged in accommodating cavity, the height of such molding machine is not It can change, the bottom surface of molding machine and hot-rolling mill can be made to keep in the same plane, not needing to appoint hot-rolling mill What change facilitates installation of the early period to equipment.
Preferably, two one end of the clamping jaw far from its rotation axis are rotatably connected to connecting plate, connecting plate and folder Pawl rotates in the same plane;Fixing piece includes vertically sliding and is arranged on the briquetting on bottom plate, two connecting plates Free end and briquetting be rotatablely connected, be vertically rotatably connected to standing screw, standing screw and briquetting on the bottom plate It is threadedly coupled.
By using above-mentioned technical proposal:Bottom plate is fixed in the form abutted using clamping jaw with sliding rail, passes through fixation The driving of part pushes against clamping jaw and sliding rail, and the fixation of bottom plate is realized by the frictional force of clamping jaw and sliding rail, can fix bottom plate At an arbitrary position, it in fixed bottom plate, does not need to deliberately be adjusted the position of bottom plate, very easily realizes bottom plate It is fixed.
Preferably, the bottom base plate is equipped with the first rack along its width direction, the accommodating cavity bottom is equipped with motor, The output shaft of the motor is equipped with the first gear engaged with the first rack, and first rack slides along the length direction of bottom plate It is arranged on bottom plate, first rack has the first state for sliding onto first gear side and engaged with first gear Second state, the bottom plate are equipped with the locating part that the first rack of driving is maintained at the second state.
By using above-mentioned technical proposal:When wanting driving bottom plate rotation, motor is opened, is rotated by rack-and-pinion, Bottom plate can be driven to be slided on guide rail;Motor positive and inverse, you can realize the reciprocating motion of bottom plate.When rack is in first state When, rack and pinion is staggered completely, even if motor, because maloperation rotates, gear is in idling conditions, bottom plate will not be driven to slide; When wanting driving bottom plate slip, rack is slid onto into the second state, rack can be engaged with gear, and motor can normal driving Bottom plate slides.In order to the slip of stable realization bottom plate, locating part is equipped on bottom plate, locating part plays rack fixed make With rack being fixed on to the second state, the slip of sufficiently stable realization bottom plate.
Preferably, the downstream on the bottom plate positioned at molding machine is equipped with the flat rack in side, the flat rack in side is equipped with Upper backup roll, lower backing roll and the side flat-rolled roller to exert a force to the two sides of channel steel abutted with the upper and lower surface of channel steel;It is described Upper flat rack is equipped with positioned at the downstream of the flat rack in side on bottom plate, the upper flat rack is equipped with to the upper of the upper surface force of channel steel Flat-rolled roller, the lower flat-rolled roller to exert a force to the lower surface of channel steel and the side support roller abutted with the side of channel steel.
By using above-mentioned technical proposal:In finishing, channel steel initially enters the flat rack in side, the side Heisei in the flat rack in side Type roller is smooth to two sides progress of channel steel, the roll mark on the side of channel steel is trimmed, at this point, upper backup roll and lower branch Support roller only plays support and position-limiting action to the upper surface and lower surface of channel steel, does not exert a force;The flat side down of channel steel is complete After finishing, channel steel by guide groove enter upper flat rack, upper flat forming roller and lower flat forming roller to the upper surface of channel steel and Lower surface is modified, and the roll mark in the upper surface and lower surface of channel steel is trimmed.At this point, side support roller is only to slot The side of steel is supported, and is not exerted a force, and channel steel is modified in two times, and stress of the channel steel in dressing process is very small, Can avoid the occurrence of causes channel steel entirety stress is excessive the phenomenon that scratch occur because of primary finishing.
Preferably, the forming roller includes upper forming roller and lower forming roller parallel to each other, the upper forming roller is under Form forming cavity between forming roller, the forming surface that the forming cavity is abutted with channel steel lateral wall includes the close to channel steel openend The second sidewall of plate one end, the gradient of the first side wall and previous process the first side wall in one side wall and close channel steel bending Gradient it is equal, the third side wall transition being arc-shaped between the first side wall and the second sidewall by section.
By using above-mentioned technical proposal:Previous process rolls the channel steel completed in the forming cavity for entering subsequent processing, Launching cradle is put in the forming cavity, treats that forming roller is rotated with lower forming roller, when being rolled to plate in bending, in channel steel bending Plate stress deformation drives the wall deformation of channel steel to the angle of sides of process instantly.Forming cavity is abutted with channel steel lateral wall Side wall is set as the first side wall, second sidewall and third side wall rather than traditional form is directly disposed as one piece of complete side wall, It is face with forming cavity side wall in the forming cavity for entering subsequent processing that can avoid the channel steel that previous process rolling is completed in this way It contacts and non-thread contact, so as to reduce the scratch of channel steel side, also reduces the damage of forming roller.
Preferably, the aerial fog nozzle system includes the aerial fog nozzle set towards forming roller being arranged on bottom plate, Aerial fog nozzle on the bottom plate is two groups, is respectively facing forming roller and lower forming roller setting.
By using above-mentioned technical proposal:Forming roller is cooled down using the mode that aerosol cools down, the covering surface of aerosol Uniformly, and can occur phenomenon of getting rusty when in use to avoid forming roller;Meanwhile after aerosol encounters forming roller, evaporation is very fast, Ponding will not be formed in channel steel, is reduced so as to cause channel steel internal surface temperature, also ensures product quality.
Preferably, the molding machine includes the forming supporter for installation forming roller, it is located at forming roller on the forming supporter Top is equipped with crossbeam, and two groups of aerial fog nozzles are fixed on by regulating device on crossbeam and bottom plate respectively.
By using above-mentioned technical proposal:When wanting to adjust the spray regime of aerial fog nozzle, regulating device can be real The adjusting of the position of existing aerial fog nozzle, after adjusting in place, it is ensured that aerial fog nozzle can accurately cover forming roller, into Type roller plays effective cooling and protective effect.
Preferably, the regulating device includes the fixed plate being fixed on crossbeam and bottom plate, the fixed plate upper edge Vertical direction sliding is equipped with sliding plate, is rotated at the top of the sliding plate and is equipped with rotor plate, the shaft of the rotor plate is parallel to institute The shaft setting of forming roller is stated, the fixed plate is equipped with the vertical fixation of the fixed fixed plate and sliding plate relative position Part, the sliding plate are equipped with the fixed sliding plate and the rotational fixture of rotor plate relative position.
By using above-mentioned technical proposal:When wanting to adjust the spray regime of aerial fog nozzle, vertical sliding sliding Angle between plate or adjusting rotor plate and sliding plate, you can realize the adjusting of the position of aerial fog nozzle, after adjusting in place, Pass through vertical fixing piece and rotational fixture, you can realize the fixation of aerial fog nozzle.
In conclusion the invention has the advantages that:
1st, production efficiency is high, and product quality can be guaranteed;
2nd, it is adaptable, the production of different types of rolled piece can be carried out.
Description of the drawings
Fig. 1 is the boiler, molding machine and hot-rolling mill distribution schematic diagram of the present embodiment;
Fig. 2 is the molding machine of the present embodiment and hot-rolling mill distribution schematic diagram;
Fig. 3 is A portions enlarged diagram in Fig. 2;
Fig. 4 is the partial side view in Fig. 1;
Fig. 5 is the fixture structure schematic diagram of the present embodiment
Fig. 6 is the bottom base plate structure diagram of the present embodiment;
Fig. 7 is the B portions enlarged drawing in Fig. 6;
Fig. 8 is the single molding machine overall structure diagram of the present embodiment;
Fig. 9 is upper forming roller and lower forming roller lateral partial structurtes sectional view;
Figure 10 is C portions enlarged drawing in Fig. 9;
Figure 11 is the upper flat rack schematic diagram of the present embodiment;
Figure 12 is the flat rack schematic diagram in side of the present embodiment;
Figure 13 is the first cavity structure schematic diagram of the present embodiment;
Figure 14 is the second cavity structure schematic diagram of the present embodiment;
Figure 15 is the aerial fog nozzle system mounting location schematic diagram of the present embodiment;
Figure 16 is the aerial fog nozzle scheme of installation of the present embodiment;
Figure 17 is the fixed block exploded perspective view of the present embodiment;
Figure 18 is the second gear rotary state schematic diagram of the present embodiment(Fixed tooth is downward);
Figure 19 is fixed-block-architecture (FBA) schematic diagram in Fig. 3.
In figure:1st, boiler;2nd, hot-rolling mill;21st, shaping roll;3rd, molding machine;31st, forming supporter;311st, crossbeam;32nd, forming roller; 321st, upper forming roller;322nd, lower forming roller;4th, accommodating cavity;41st, bottom plate;411st, runner;42nd, motor;421st, first gear;43、 The flat rack in side;431st, upper backup roll;4311st, support collar;432nd, lower backing roll;433rd, side flat-rolled roller;434th, the first cavity; 44th, upper flat rack;441st, upper flat-rolled roller;4411st, smooth bulge loop;442nd, lower flat-rolled roller;443rd, side support roller;4431st, side stay is convex Ring;444th, the second cavity;45th, sliding rail;46th, mounting groove;461st, clamping jaw;462nd, briquetting;463rd, connecting plate;47th, standing screw; 48th, the first side plate;481st, caging bolt;49th, the second side plate;491st, lead;4911st, resetting spring;4912nd, the first rack; 5th, forming cavity;51st, the first side wall;52nd, second sidewall;53rd, third side wall;6th, fixed plate;61st, guide groove;62nd, second gear; 621st, counterbore;622nd, spanner;623rd, square;63rd, fixed block;631st, fixed tooth;632nd, traveller;6321st, square column;6322nd, cylinder; 6323rd, bulge loop;633rd, spring is abutted;7th, sliding plate;71st, sliding slot;711st, the second rack;72nd, worm screw;8th, rotor plate;81st, snail Wheel;82nd, aerial fog nozzle;9th, bar;91st, arch blank;911st, channel steel.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing 1-19.
A kind of channel steel rolling production line, with reference to Fig. 1, including the boiler 1 heated to bar 91, in production, bar 9 Into in boiler 1, boiler 1 exports after bar 9 is heated to 1200 DEG C -1400 DEG C, the conveying conduit alignment boiler 1 of hot-rolling mill 2 Discharge port, bar 9 is ejected boiler 1 along its own length direction out of boiler 1, can enter in hot-rolling mill 2 later.Hot rolling Machine 2 is several, is arranged in order, and for bar 9 successively by each hot-rolling mill 2, the shaping roll 21 in hot-rolling mill 2 carries out bar 9 Roughing exports after being rolled archwise blank 91.
With reference to Fig. 2, bottom plate 41 is equipped in 2 downstream of hot-rolling mill, bottom surface is flushed with ground, the length of 41 upper edge bottom plate 41 of bottom plate Direction linear array is equipped with several molding machines 3, after arch blank 91 is exported out of hot-rolling mill 2, immediately into molding machine 3, stick For material 9 successively by each molding machine 3, the forming roller 32 on molding machine 3 carries out hot bending operation to arch blank 91, is finally processed into Type is channel steel 911.In order to playing a protective role to forming roller 32, avoid because 91 temperature of arch blank is excessively high and influence into The service life of type roller 32 is equipped with the aerial fog nozzle system cooled down to forming roller 32 on bottom plate 41.
With reference to Fig. 2 and Fig. 3, it is equipped with the accommodating cavity 4 placed and slid for bottom plate 41 on the ground, bottom plate 41 is wide along it Spend direction(That is the axial direction of shaping roll 21)Sliding is arranged in accommodating cavity 4, in width direction of the bottom of accommodating cavity 4 along bottom plate 41 Equipped with sliding rail 45, sliding rail 45 is several, is set along the length direction array of bottom plate 41, and sliding rail 45 is preferably I-steel, convenient It installs and structural strength is high, equipped with the runner 411 coordinated with sliding rail 45, runner 411 is work for rotation on the bottom surface of bottom plate 41 Character wheel can play certain position-limiting action, realize the Stable sliding of bottom plate 41.The length of sliding rail 45 and accommodating cavity 4 it is big Small to need to determine according to the stroke of bottom plate 41, the stroke of bottom plate 41 is to ensure that bottom plate 41 can slide onto the side of arch blank 91 Subject to, it is impacted in order not to the normal work to hot-bending machine, is additionally provided on bottom plate 41 and bottom plate 41 is fixed on hot-rolling mill 2 The fixing device in front.During normal production, fixing device fixes bottom plate 41, molding machine 3 occurs to avoid in production There is sliding phenomenon.
With reference to Fig. 4 and Fig. 5, fixing device includes being symmetricly set on the clamping jaw 461 of 45 both sides of sliding rail, at the bottom of bottom plate 41 Portion is equipped with mounting groove 46, and two relative rotations of clamping jaw 461 are arranged in mounting groove 46, thickness and the clamping jaw 461 of mounting groove 46 Thickness is equal;It is adjacent to each other that two clamping jaws 461 of driving are additionally provided on bottom plate 41, and then are pushed against the fixation of 45 side of sliding rail Part.Fixing piece includes vertically sliding and is arranged on the briquetting 462 in mounting groove 46, and two clamping jaws 461 are far from its turn One end of moving axis is rotatably connected to connecting plate 463, and the free end of two connecting plates 463 is rotatably arranged on briquetting 462 respectively Both ends, are vertically equipped with standing screw 47 on bottom plate 41, and standing screw 47 is threadedly coupled with briquetting 462.It is solid when wanting When determining bottom plate 41, standing screw 47 is rotated, standing screw 47 drives briquetting 462 to move down, and connecting plate 463 pushes, and drives two folders Pawl 461 is adjacent to each other, has auto-lock function due to being threadedly coupled, clamping jaw 461 will not be sprung back after compressing, when clamping jaw 461 After being abutted with sliding rail 45, you can realize the fixation of bottom plate 41 and sliding rail 45.
With reference to Fig. 2 and Fig. 6, bottom plate 41 is driven to move for convenience, motor 42 is fixed in the bottom of accommodating cavity 4, The output shaft of motor 42 is set perpendicular to sliding rail 45, and the first rack 4912, electricity are equipped with along its width direction in the bottom of bottom plate 41 The output shaft of machine 42 is equipped with the first gear 421 engaged with the first rack 4912.When wanting the driving rotation of bottom plate 41, open Motor 42, is rotated by rack-and-pinion, you can bottom plate 41 is driven to be slided on guide rail, 42 rotating of motor, you can realizes bottom plate 41 reciprocating motion.
With reference to Fig. 4, Fig. 6 and Fig. 7, in order to improve safety during work, length of first rack 4912 along bottom plate 41 Direction sliding be arranged on bottom plate 41, the first rack 4912 have slide onto 421 side of first gear first state and with The second state that first gear 421 engages, when the first rack 4912 is in first state, the first rack 4912 and first gear 421 are staggered completely, even if motor 42, because maloperation rotates, first gear 421 is in idling conditions, bottom plate 41 will not be driven to slide It is dynamic;When wanting the driving slip of bottom plate 41, the first rack 4912 is slid onto into the second state, the first rack 4912 can be with first Gear 421 engages, motor 42 can normal driving bottom plate 41 slide.In order to the slip of stable realization bottom plate 41, the bottom of at Plate 41 is equipped with locating part, and locating part plays fixed function to the first rack 4912, can the first rack 4912 be fixed on second State, the slip of sufficiently stable realization bottom plate 41.
With reference to Fig. 4, Fig. 6 and Fig. 7, the first side plate 48 and second is equipped in the width direction of 41 upper edge bottom plate 41 of bottom plate Side plate 49, the first side plate 48 and the second side plate 49 are parallel to the first rack 4912 and set, and the first rack 4912 is arranged on first Between 48 and second side plate 49 of side plate, the first side plate 48 is connect with the second side plate 49 by lead 491, and lead 491 is vertical It is set in the first side plate 48 and the second side plate 49 and along the length direction array of the first side plate 48, the first rack 4912 is with leading It slides and connects to column 491, in first state, the first rack 4912 and second when the first rack 4912 is abutted with the first side plate 48 In the second state when side plate 49 abuts, the first side plate 48, the second side plate 49 and lead 491 can be to the first racks 4912 Sliding scale play position-limiting action, the slip of sufficiently stable the first rack of realization 4912 sets multiple leads 491, can With the slip of sufficiently stable the first rack of realization 4912.
With reference to Fig. 4, Fig. 6 and Fig. 7, locating part includes the upper caging bolt 481 for being threaded in the first side plate 48, limit Position bolt 481 is parallel to lead 491 and through the first side plate 48, when wanting to fix the first rack 4912, rotary spacing Bolt 481, the first rack 4912 can be pressed on the second side plate 49 by caging bolt 481, so as to fulfill the first rack 4912 Fixation, it is simple in structure, it is easy to operate.Resetting spring 4911 is equipped between the first rack 4912 and the first side plate 48, is resetted Spring 4911 can drive the first rack 4912 to be slided towards the first side plate 48, in this way when unclamping caging bolt 481, the first tooth Item 4912 can automatically revert to first state, and resetting spring 4911 is set on lead 491, and on the first side plate 48 Annular groove is equipped with around lead 491(It is not shown in figure), 4911 one end of resetting spring is located in annular groove, and annular groove can be right Resetting spring 4911 plays the role of storage, to ensure that the first rack 4912 can be contacted with the first side plate 48.
With reference to Fig. 2 and Fig. 8, molding machine 3 is mounted on bottom plate 41, and along the length direction of bottom plate 41, array is set successively, Corresponding forming roller 32 is equipped on each molding machine 3, arch blank 91 enters from 41 one end of bottom plate, successively by each molding Machine 3 is finally rolled into the channel steel 911 of U-shaped.Molding machine 3 includes the forming supporter 31 being fixed on bottom plate 41, and forming roller 32 rotates It is arranged on forming supporter 31, forming roller 32 includes erecting straight arranged upper forming roller 321 and lower forming roller 322, upper 321 He of forming roller 322 surface of lower forming roller is circumferentially with cam and/or recessed circle, formation and arch between upper forming roller 321 and lower forming roller 322 91 matched forming cavity 5 of blank, arch blank 91 is arranged in forming cavity 5, and its opening upwards, and upper forming roller 321 is under Forming roller 322 is rotated by driving mechanism, thus while arch blank 91 is driven to be moved to subsequent processing, to slot Steel 911 is rolled.
With reference to Fig. 9 and Figure 10, the forming surface that lower forming roller 322 is abutted with 911 lateral wall of channel steel is included close to channel steel 911 The gradient of the second sidewall 52, wherein the first side wall 51 of plate one end during the first side wall 51 of openend and close channel steel 911 are bent It is equal with the gradient of previous process the first side wall 51, and be arc-shaped between the first side wall 51 and second sidewall 52 by section 53 transition of third side wall.In this way, the workpiece that previous process rolling is completed, in the forming cavity 5 for entering subsequent processing, launching cradle is put In in the forming cavity 5, treat that forming roller 321 is rotated with lower forming roller 322, when being rolled to plate in bending, in bending plate by Power deforms, and channel steel 911 is under the limitation of third side wall 53, and two side is opposite to be drawn close, so as to which the wall deformation of channel steel 911 is extremely Instantly the angle of sides of process, and plate flattens relatively in bending.The side wall that lower forming roller 322 is abutted with 911 lateral wall of channel steel It is set as the first side wall 51, second sidewall 52 and third side wall 53 rather than traditional form is directly disposed as one piece of complete side Wall can avoid the channel steel 911 that previous process rolling is completed in the forming cavity 5 for entering subsequent processing, with forming cavity 5 in this way Side wall is that face contacts and non-thread contact, so as to reduce the scratch of 911 side of channel steel, also reduces the probability of the damage of forming roller 32.
With reference to Fig. 2, one end far from 91 charging of arch blank on bottom plate 41 is equipped with successively along the trend of arch blank 91 The flat rack 43 in side and upper flat rack 44, the central axes of the flat rack 43 in side, upper flat rack 44 and each molding machine 3, which overlap, to be set It puts, it is in linear state to ensure trend of the arch blank 91 in the operation of rolling, and bar 9 is avoided bending occur in rolling and is showed As.
It is symmetrical above and below to be equipped with upper backup roll 431 and lower backing roll 432, left and right pair in the flat rack 43 in side with reference to Figure 11 Title is set there are two side flat-rolled roller 433, upper backup roll 431 and lower backing roll 432 is rotated in perpendicular and rotation direction Move towards tangent with channel steel 911;Two side flat-rolled rollers 433 are in same level rotation in surface and rotation direction and channel steel 91 Move towards tangent.In the flat rack 43 in side, the distance between upper backup roll 431 and lower backing roll 432 on the molding machine 3 of upstream Upper forming roller 321 and lower forming roller 322 it is closely located, such upper backup roll 431 and lower backing roll 432 are only to channel steel 911 play a supporting role, and the upper surface and lower surface of channel steel 911 are not squeezed;The distance between two side flat-rolled rollers 433 The distance of 911 final molding of channel steel needs is adjusted to, two side flat-rolled rollers 433 apply pressure to two sides of channel steel 911, right Two sides of channel steel 911 carry out finishing operations, and due to being lateral forces, and stress is visibly homogeneous, therefore in channel steel 911 Surface be not in scratch.
With reference to Figure 11 and Figure 13, due to 911 top of finished product channel steel, inwardly bending forms in-flanges, and the bottom surface of flange is used for The fixed tooth 631 of setting.Therefore, the top surface of channel steel 911 is the plane of two different heights, one be flange top surface, one is The top surface of 911 bottom plate of channel steel.In order to play complete covering to two top surfaces, it is located on the peripheral surface of upper backup roll 431 upper 431 intermediate position of support roller is equipped with support collar 4311, and support collar 4311 is stretched into channel steel 911, the bottom plate 41 with channel steel 911 Upper surface abut.The peripheral surface that upper backup roll 431 is located at 4311 both sides of support collar is abutted with the top surface of flange, to flange It plays a supporting role top surface.The first cavity 434 of U-shaped is formed between upper backup roll 431 and lower backing roll 432.Channel steel 911 is from It is pierced by one cavity 434, to reach corresponding shape need.The thickness of side flat-rolled roller 433 is more than the thickness of the first cavity 434, That is the thickness of side flat-rolled roller 433 is greater than the thickness of channel steel 911, and side flat-rolled roller 433 can be completely covered channel steel 911, ensure that The finishing effect of 911 side of channel steel.
It is symmetrical above and below to be equipped with upper flat-rolled roller 441 and lower flat-rolled roller 442, left and right pair in upper flat rack 44 with reference to Figure 12 Title is set there are two side support roller 443, upper flat-rolled roller 441 and lower flat-rolled roller 442 is rotated in perpendicular and rotation direction Move towards tangent with bar 9;Two side support rollers 443 walking in same level rotation in surface and rotation direction and bar 9 To tangent.In upper flat rack 44, two side flat-rolled rollers in the distance between two side support rollers 443 rack 43 flat with side 433 it is closely located, two such side support roller 443 only plays a supporting role to the two sides of channel steel 911, not to channel steel 911 Two sides squeezed;The distance between upper flat-rolled roller 441 and lower flat-rolled roller 442 are adjusted to 911 final molding of channel steel The distance needed, upper flat-rolled roller 441 and lower flat-rolled roller 442 apply pressure to the upper surface and lower surface of channel steel 911, to slot The upper surface and lower surface of steel 911 carries out finishing operations, and due to being upper surface and lower surface stress, channel steel 911 is rolling Stress in the process is visibly homogeneous, therefore is not in scratch on the surface of channel steel 911.
It is located at upper 441 intermediate position of flat-rolled roller with reference to Figure 12 and Figure 14, on the peripheral surface of upper flat-rolled roller 441 equipped with smooth Bulge loop 4411 forms the second cavity 444 of U-shaped, channel steel 911 on smooth bulge loop 4411 between flat-rolled roller 441 and lower flat-rolled roller 442 It is pierced by out of second cavity 444, is equipped with to form corresponding shape, on the peripheral surface in side support roller 443 and stretches into Second-Type Side stay bulge loop 4431 in chamber 444.Descend the width of flat-rolled roller 442 that can be more than the width of channel steel 911 in this way.When smooth, under The lower surface of channel steel 911 can be completely covered in flat-rolled roller 442, ensure that the finishing effect of 911 downside of channel steel.
With reference to Figure 15, aerial fog nozzle system includes the aerial fog nozzle set towards forming roller 32 being arranged on bottom plate 41 82, the aerial fog nozzle 82 on bottom plate 41 is two groups, is respectively facing forming roller 321 and lower forming roller 322 is set.Forming supporter 31 Above it is located above forming roller 32 and is equipped with crossbeam 311, in two groups of aerial fog nozzles, is mounted on towards the aerial fog nozzle of upper forming roller 321 On crossbeam 311, it is mounted on bottom plate 41 towards the aerial fog nozzle 82 of lower forming roller 322.
With reference to Figure 15, aerial fog nozzle 82 is connected with high-pressure air source and high-pressure water.On crossbeam 311 and bottom plate 41 Be mounted on fixed plate 6, aerial fog nozzle 82 is mounted in fixed plate 6, further include the main tracheae that is connected with high-pressure air source and with The water main that high-pressure water is connected, aerial fog nozzle 82 on each milling train respectively by gas-distributing pipe and distributive pipe respectively with main gas Pipe and water main are connected, and corresponding valve is connected in main tracheae and water main, connects main tracheae, gas-distributing pipe and main water Pipe, distributive pipe, you can aerial fog nozzle 82 is made to be in spraying state.Since bottom plate 41 and the aerial fog nozzle 82 on crossbeam 311 are installed Structure is identical, for the convenience of description, in the present embodiment, is done only for the mounting structure of the aerial fog nozzle 82 on crossbeam 311 Description.
With reference to Figure 15 and Figure 16, fixed plate 6 is mounted on the middle part of crossbeam 311, such aerial fog nozzle 82 can be located at into The centre position of type roller 32 makes entire forming roller 32 that can cover.Fixed plate 6 is square vertically away from the one side upper edge of crossbeam 311 Sliding plate 7 is equipped with to sliding, the top rotation of sliding plate 7 is equipped with rotor plate 8, and the shaft of rotor plate 8 is parallel to forming roller 32 Shaft, aerial fog nozzle 82 are fixed on rotor plate 8, and aerial fog nozzle 82 is located towards the one side of forming roller 32.It is set in fixed plate 6 There is the vertical fixing piece of fixed sliding plate 7 and 6 relative position of fixed plate, sliding plate 7 is equipped with fixed sliding plate 7 and rotor plate The rotational fixture of 8 relative positions.When wanting to adjust the spray regime of aerial fog nozzle 82, vertical sliding sliding plate is adjusted Angle between 7 height or adjusting rotor plate 8 and sliding plate 7, you can realize the adjusting of the position of aerial fog nozzle 82.It adjusts After in place, pass through vertical fixing piece and rotational fixture, you can realize the fixation of aerial fog nozzle 82, very easily realize The adjusting of the position of aerial fog nozzle 82, and then can ensure that aerial fog nozzle 82 can accurately cover forming roller 32, to molding Roller 32 plays effective cooling and protective effect.
With reference to Figure 17 and Figure 18, guide groove 61,7 both sides of sliding plate are equipped with positioned at the both sides of sliding plate 7 in fixed plate 6 Sliding is arranged in guide groove 61, you can realizes that sliding plate 7 is connect with the sliding of fixed plate 6.Vertical fixing piece, which includes being located at, to be slided Move the sliding slot 71 that vertically sets of middle part of plate 7, the thickness of sliding slot 71 is equal with the thickness of sliding plate 7, sliding slot 71 it is interior On side vertically be equipped with the second rack 711, vertical fixing piece also include in fixed plate 6 rotation setting with the second tooth The second gear 62 that item 711 engages, second gear 62 is arranged in sliding slot 71, in fixed plate 6, in addition, vertical fixing piece is also Include the fixed block 63 that can be caught in the gear teeth of second gear 62 of the axial sliding setting along second gear 62, fixed block 63 It is equipped with the fixation tooth 631 coordinated with second gear 62.When wanting to adjust the height of sliding plate 7, second gear is rotated 62, pass through rack pinion, you can realize slip of the sliding plate 7 in vertical direction, after sliding plate 7 slides in place, Gu Determine block 63 to be caught in the gear teeth of second gear 62, realize fixation of the sliding plate 7 in fixed plate 6.
With reference to Figure 17, Figure 18 and Figure 19, in order to ensure the gear teeth for being caught in second gear 62 that fixed block 63 can be stablized It is interior, the traveller 632 with the sliding connection of fixed plate 6 is vertically equipped in the side of fixed block 63, traveller 632 runs through fixed plate 6, traveller 632 are positioned close to the position of 63 bottom of fixed block, traveller 632 include with the square column 6321 of the sliding connection of fixed plate 6 and with The sectional area that square column 6321 connects is less than the cylinder 6322 of square column 6321, and is set in the one end of cylinder 6322 far from square column 6321 There is bulge loop 6323, be arranged on cylinder 6322 and abut spring 633, abut 633 one end of spring and abutted with bulge loop 6323, the other end It is abutted with fixed plate 6, abuts spring 633 always in compressive state, in this way in the case of by external force, fixed block 63 is not to begin It is bonded eventually with fixed plate 6.In fixed plate 6 be equipped with 6321 corresponding square hole of square column, when fixed block 63 is bonded with fixed plate 6 When, square column 6321 is located in square hole, thus prevents fixed block 63 from rotating, because fixed block 63 can only be along second gear 62 It slides axially, under the fixation of fixed block 63, second gear 62 can not rotate, and sliding plate 7 can be realized at this time in fixed plate 6 Fixation.When wanting to release the locking of fixed block 63, fixed block 63 is pulled axially outward along traveller 632, by square column 6321 pull out from fixed plate 6, fixed block 63 then are rotated 180 °, the shiny surface of fixed block 63 is set towards second gear 62 It puts, and fixed block 63 is not contacted with second gear 62 at this time, very can easily realize the rotation of second gear 62 in this way, It does not need to buttress fixed block 63 always with hand and keeps it in the state pulled out from fixed plate 6.
With reference to Figure 17, second gear 62 is rotated for convenience, and rectangular counterbore is equipped on the end face of second gear 62 621, further include a spanner 622, spanner 622 is equipped with the square 623 coordinate with counterbore 621, when needing rotation second gear When 62, the square 623 on spanner 622 is inserted into counterbore 621, by spanner 622, very can realize second gear in labour-saving 62 rotation when not in use, can accept spanner 622, spanner 622 will not occupy excessive space.
With reference to Figure 16, rotational fixture includes the worm gear 81 of the roller end set on rotor plate 8 and set on sliding plate 7 The worm screw 72 that upper and worm gear 81 coordinates, worm gear 81 are coaxially disposed with shaft, and worm screw 72 is rotatablely connected with sliding plate 7.It is adjusted when desired When saving the rotational angle of rotor plate 8, rotary worm 72, you can realize the rotation of rotor plate 8, have since 81 worm screw 72 of worm gear rotates There is auto-lock function, therefore, there is no need to other additional locking structures, structure very simple operates also very convenient.For convenience Rotary worm 72 can be operated worm screw 72 by common wrench 622 and rotate in the end set turret head of worm screw 72.
The course of work is summarized:In production, bar 9 enters in boiler 1, and bar 9 is heated to 1200 DEG C -1400 by boiler 1 It is exported after DEG C, bar 9 enters after being ejected boiler 1 along its own length direction out of boiler 1 in hot-rolling mill 2, and bar 9 is successively By each hot-rolling mill 2, for hot-rolling mill 2 by output after bar rolling archwise blank 91 to molding machine 3, molding machine 3 rolls bar Channel steel 911 is made, after channel steel 911 is modified using the flat rack 43 in side and upper flat rack 44, you can output.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of channel steel rolling production line including the boiler (1) heated to bar (9), is arranged on pair in boiler (1) downstream Bar (9) carries out the hot-rolling mill (2) of roughing, it is characterised in that:Further include be arranged on hot-rolling mill (2) downstream to arch blank (91) molding machine (3) of finish rolling is carried out, the molding machine (3) includes the forming roller (32) to arch blank (91) progress hot bending, Distance is less than the length of arch blank (91) between the hot-rolling mill (2) and molding machine (3);It further includes and forming roller (32) is carried out The aerial fog nozzle system of cooling.
2. channel steel rolling production line according to claim 1, it is characterised in that:It further includes and is arranged on hot-rolling mill (2) downstream Bottom plate (41), the molding machine (3) for several and along bottom plate (41) length direction linear array set, the bottom plate (41) it is set on the ground along the axial sliding of forming roller (32) and arch blank (91) side, the bottom plate can be slid onto (41) be additionally provided on for bottom plate (41) is fixed on hot-rolling mill (2) front fixing device.
3. channel steel rolling production line according to claim 2, it is characterised in that:Ground be equipped with for bottom plate (41) place with And the accommodating cavity (4) of sliding, the width direction of the bottom surface upper edge bottom plate (41) of the accommodating cavity (4) is equipped with sliding rail (45), described Fixing device includes being symmetricly set on the clamping jaw (461) of sliding rail (45) both sides, and the clamping jaw (461) relatively rotates and is arranged on bottom plate (41) on, the bottom plate (41) is equipped with the fixing piece that two clamping jaws of driving (461) are pushed against sliding rail (45) side.
4. channel steel rolling production line according to claim 3, it is characterised in that:Two clamping jaws (461) are far from its turn One end of moving axis is rotatably connected to connecting plate (463), and connecting plate (463) rotates in the same plane with clamping jaw (461);It is fixed Part includes vertically sliding and is arranged on briquetting (462) on bottom plate (41), the free end of two connecting plates (463) with Briquetting (462) is rotatablely connected, and standing screw (47), standing screw (47) are vertically rotatably connected on the bottom plate (41) It is threadedly coupled with briquetting (462).
5. channel steel rolling production line according to claim 4, it is characterised in that:Bottom plate (41) bottom is along its width side To equipped with the first rack (4912), accommodating cavity (4) bottom is equipped with motor (42), the output shaft of the motor (42) be equipped with The first gear (421) of first rack (4912) engagement, first rack (4912) slide along the length direction of bottom plate (41) It is arranged on bottom plate (41), first rack (4912) has the first state and and first gear for sliding onto gear side (421) the second state of engagement, the bottom plate (41) are equipped with the limiting that the first rack of driving (4912) is maintained at the second state Part.
6. channel steel rolling production line according to claim 2, it is characterised in that:It is located at molding machine on the bottom plate (41) (3) downstream is equipped with the flat rack in side (43), and the flat rack in side (43) is equipped with what is abutted with the upper and lower surface of channel steel (911) Upper backup roll (431), lower backing roll (432) and the side flat-rolled roller (433) to exert a force to the two sides of channel steel (911);The bottom Upper flat rack (44) is equipped with positioned at the downstream of the flat rack in side (43) on plate (41), the upper flat rack (44) is equipped with to channel steel (911) the upper flat-rolled roller (441) of upper surface force, the lower flat-rolled roller (442) to exert a force to the lower surface of channel steel (911) and with The side support roller (443) that the side of channel steel (911) abuts.
7. channel steel rolling production line according to claim 1, it is characterised in that:The forming roller (32) is including parallel to each other Upper forming roller (321) and lower forming roller (322), form forming cavity between the upper forming roller (321) and lower forming roller (322) (5), the forming surface that the forming cavity (5) abuts with channel steel (911) lateral wall is included close to first side of channel steel (911) openend Wall (51) and close to channel steel (911) bending in plate one end second sidewall (52), the gradient of the first side wall (51) with it is previous The gradient of process the first side wall (51) is equal, by section in circle between the first side wall (51) and the second sidewall (52) Third side wall (53) transition of arc.
8. channel steel rolling production line according to claim 7, it is characterised in that:The aerial fog nozzle system includes being arranged on The aerial fog nozzle (82) set towards forming roller (32) on bottom plate (41), the aerial fog nozzle (82) on the bottom plate (41) are two Group is respectively facing forming roller (321) and lower forming roller (322) setting.
9. channel steel rolling production line according to claim 8, it is characterised in that:The molding machine (3) is installed including being used for The forming supporter (31) of forming roller (32) is located above forming roller (32) on the forming supporter (31) and is equipped with crossbeam (311), two groups of gas Atomizing nozzle (82) is fixed on by regulating device on crossbeam (311) and bottom plate (41) respectively.
10. channel steel rolling production line according to claim 9, it is characterised in that:The regulating device includes being fixed on horizontal stroke Fixed plate (6) on beam (311) and bottom plate (41), vertically sliding is equipped with sliding plate (7) on the fixed plate (6), Rotation is equipped with rotor plate (8) at the top of the sliding plate (7), and the shaft of the rotor plate (8) is parallel to the forming roller (32) Shaft is set, and the fixed plate (6) is equipped with the fixed fixed plate (6) and the vertical fixing piece of sliding plate (7) relative position, The sliding plate (7) is equipped with the fixed sliding plate (7) and the rotational fixture of rotor plate (8) relative position.
CN201711367719.9A 2017-12-18 2017-12-18 A kind of channel steel rolling production line Active CN108188174B (en)

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CN111495975A (en) * 2020-05-13 2020-08-07 田鹏飞 Intelligent processing machine for section steel
CN112388333A (en) * 2020-10-21 2021-02-23 绍兴市上虞福鑫五金工具有限公司 Hardware sleeve production equipment and process

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CN112388333B (en) * 2020-10-21 2022-05-13 绍兴市上虞福鑫五金工具有限公司 Hardware sleeve production equipment and process

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