CN108384932B - A kind of heat-treatment production line and its treatment process for bar - Google Patents
A kind of heat-treatment production line and its treatment process for bar Download PDFInfo
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- CN108384932B CN108384932B CN201810209784.7A CN201810209784A CN108384932B CN 108384932 B CN108384932 B CN 108384932B CN 201810209784 A CN201810209784 A CN 201810209784A CN 108384932 B CN108384932 B CN 108384932B
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
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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
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
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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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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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
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
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- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of heat-treatment production lines and its treatment process for bar, aim to solve the problem that the low problem of traditional bar heat treatment production efficiency, its key points of the technical solution are that: a kind of heat-treatment production line for bar, including quenched rack, it further include the feed mechanism for being set to quenched rack side, it is set to the transmission device of quenched rack, it is set to quenched rack and along the quenching mechanism of transmission device setting, it is set to the cutting agency of quenched rack side, feed mechanism includes the stock shelf for discharging reinforcing bar, quenching mechanism includes the quenching mechanism that quenched rack is set in turn in along transmission device direction, cooling body and tempering mechanism, cutting agency includes the blanking rack for being set to quenched rack side.A kind of heat-treatment production line for bar of the invention not only increases the efficiency of bar heat treatment, and can effectively reduce the deformation occurred in bar heat treatment process, improves the qualification rate of bar by completely producing cable architecture.
Description
Technical field
The present invention relates to heat treatment equipment fields, more specifically, it relates to a kind of heat-treatment production line for bar
And its treatment process.
Background technique
With the fast development of construction industry, the demand of market component of rod category isometric for reinforcing bar also increasingly increases,
The reinforcing bar of hot-roll forming achievees the effect that improve reinforcement property by quenching and high tempering.Existing reinforcing bar Tempering and Quenching
Equipment generallys use the process that coil carries out high temperature quenching, cooling, tempering to reinforcing bar, and the steel bar mechanics performance after modifier treatment obtains
Improve to optimization.
Such as notification number is the intermediate frequency Tempering and Quenching equipment of long rod workpieces disclosed in the Chinese patent of CN2811317Y,
Be characterized in that: the transmission device including sensor group, the PCU Power Conditioning Unit of inductor and workpiece, wherein sensor group is extremely
It is few by three section concentric arrangements and the sensor group that is mounted on a bracket at, the bracket on two gantry frames, and with
Standoff elevating mechanism is set between gantry frame, and transmission device is made of multiple rotating rollers, can by one group of inductor
Meet the requirement of quenching with tempering different capacity, but since feeding and blanking are required to manually carry out, will lead to working efficiency
Low problem.
Therefore it needs to propose the new scheme of one kind to solve this problem.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of heat treatment production for bar
Line has the advantages that heat treatment efficiency is high.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of heat treatment for bar
Production line, including quenched rack further include the feed mechanism for being set to quenched rack side, the transmission dress for being set to quenched rack
Set, be set to quenched rack and along the quenching mechanism of transmission device setting, be set to the cutting agency of quenched rack side, it is described
Feed mechanism includes the stock shelf for discharging reinforcing bar, the quenching mechanism include be set in turn in along transmission device direction it is quenched
Quenching mechanism, cooling body and the tempering mechanism of rack, the cutting agency includes the blanking for being set to quenched rack side
Frame；The transmission device includes the motor cabinet for being set to quenched rack, the quenched motor for being fixed on motor cabinet, is connected to quenched electricity
The transfer roller of machine output shaft, the transfer roller select V-arrangement roller, and all quenched motors are set in parallel, the transmission device
The regulating mechanism for adjusting transmission device angle is provided between quenched rack；The regulating mechanism includes being fixedly installed on
The fixed link of quenched rack, one end are rotationally connected with fixed link and isometric several rotating bars, the motor cabinet are fixedly connected
In rotating bar close to one end of fixed link；Interlocking bar is rotatably connected between the free end of rotating bar.
By using above-mentioned technical proposal, material is piled up in feed mechanism first, is driven by feed mechanism and turns bar
It send to transmission device and is forwarded to quenching mechanism by conveyor belt is dynamic, quenching mechanism carries out at high temperature quenching bar
Reason, while transmission device drives bar persistently to forward, and passes through cooling body later, is carried out by cooling body to bar cold
But, finally by tempering mechanism, tempering is carried out to bar by tempering mechanism, is later moved to down bar by transmission device
Expect that bar is transferred in blanking rack by cutting agency and realizes blanking at mechanism, by the cooperation of whole production line, realizes bar
Automatic loading/unloading, and successively realize quenching, cooling, tempering operation in transmit process, substantially increase heat treatment effect
Rate；Transfer roller rotation is driven by quenched motor, bar rides upon on transfer roller and driven by transfer roller and moved forward, transfer roller
V-arrangement roller is selected, the V-shaped setting in the section of V-arrangement roller, bar can directly ride upon in V-shaped groove, so as to prevent bar from biography
It send roller to slide, guarantees the stability of operation, and all quenched motors are set in parallel, so that the axis of all transfer rollers is in flat
Row, in this way when transfer roller rotates, transfer roller side wall is able to maintain unanimously the direction of bar, so that people preferably will
Bar forwards, by the angle of the adjustable transmission device of regulating mechanism, by changing the angle of transmission device, so that stick
Material surface force-bearing situation is optimized, and tests proof when transmission device is inclined to set, and the deformation of bar is minimum, can be with
Guarantee the cylindricity of bar；Rotating bar can rotate relative to fixed link, and motor cabinet is fixed in rotating bar, will be quenched
Motor is fixed on motor cabinet, the angle of quenched motor output shaft can be driven to change by the rotation of rotating bar, thus
Change the direction of transfer of transfer roller, in this way according to the angle of the corresponding adjustment transfer roller of the difference of bar thickness, when the stick of processing
When expecting thicker, the tilt angle of transfer roller can be turned down, when processing thicker bar, by the tilt angle of transfer roller
Tune up, thus guarantee V-shaped groove two sidewalls can with bar side wall contradict rub, guarantee bar transmit process in side wall by
To uniform frictional force, so that bar remains straight line in transmit process and deformation occurs.
The present invention is further arranged to: the stock shelf is provided with transfer assembly close to one end of transmission device, and described turn
It moves component to act on a certain reinforcing bar and release reinforcing bar, the quality controling machine erection is equipped with positioned at transmission device away from stock shelf one
The limit assembly of side.
By using above-mentioned technical proposal, bar is neatly discharged on stock shelf by when feeding, realizes batch feeding, thus
Labour is greatly saved, a certain bar therein is exerted a force and shifted by transfer assembly later, thus by stock shelf
Bar is successively transferred on transmission device, is moved by conveyor belt and is forwarded and be heat-treated, passes through transfer assembly in this way
The lasting feeding for realizing bar, to reduce labor intensity.
The present invention is further arranged to: the stock shelf includes two support rods for being fixedly installed on ground, is rotationally connected with
The cross bar of supporting bar top is rotatably connected to and the adjusting cylinder for adjusting cross bar angle between the support rod and cross bar.
By using above-mentioned technical proposal, two support rods are longitudinally fixed on the ground, and the upper surface of cross bar can discharge
Bar, and by adjusting the flexible of cylinder, the adjusting to cross bar tilt angle is realized, so that bar can be along cross bar court
It is rolled to transmission device, realizes automatic feeding.
The present invention is further arranged to: the transfer assembly includes being fixedly installed on cross bar close to the resistance of transmission device one end
Block, bar side wall contact at stopper side wall, further include the ejection assembly for being rotatably dispose in cross bar side wall, the ejection assembly
Including the pointed ejection part being arranged and act on a certain bar.
By using above-mentioned technical proposal, bar is placed on cross bar and proper alignment, is located most closely to transmission device
Bar side wall contradicts on stopper, realizes the positioning to bar by stopper, ejection assembly drives and will be close to hinder later
A piece bar of block jacks up upwards, is rolled on transmission device under the slope driving of pointed ejection part, by conveyor belt
It is dynamic to move forward.
The present invention is further arranged to: the ejection assembly includes the bearing block for being fixedly installed on quenched rack, is arranged in
The rotation axis of bearing block, the liftout plate for being fixedly connected on rotation axis both ends, the drive rod for being fixedly connected on rotation axis side wall, setting
In quenched rack and for pushing the ejection cylinder of drive rod, two liftout plates are located at the two sides of two cross bars, the top
Portion is located on liftout plate out, and the rotation axis is lower than the upper surface of cross bar.
By using above-mentioned technical proposal, rotation axis can rotate in bearing block, by the flexible drive for ejecting cylinder
The rotation of rotation axis, so that liftout plate be driven to be rotated up, bar is jacked up upwards and is pushed forward by the ejection part of liftout plate, is made
It obtains bar and slides into transmission device along the inclined-plane of liftout plate.
The present invention is further arranged to: the cooling body include water tank, the water pipe for being connected to water tank, be connected to water pipe and
The spray part of face bar setting, the spray part are arranged in a ring and are sheathed on outside bar, in hollow inside the spray part
It is arranged and is connected to water pipe, the inner wall of spray part towards the bar is uniformly provided with apopore.
By using above-mentioned technical proposal, the water in water tank is sent into spray part by water pipe and is sprayed to by quenching treatment
Billet surface, cooled down to be realized to quenched bar, and circularized by that will spray part setting, bar is from annular
Spray part center passes through, and by the inner wall of spray part towards bar circumferential side wall spraying cooling water, so that bar is cooled uniformly,
The deformation of bar is reduced to a certain extent.
The present invention is further arranged to: the cutting agency further includes being set to quenched rack and being located on the inside of transmission device
Blanking component, be set to the lifting assembly of blanking rack, the blanking component includes the push plate for being rotatably dispose in quenched rack, sets
It is placed in quenched rack and is rotationally connected with the blanking motor of push plate, the push plate includes the inclined-plane for acting on reinforcing bar.
By using above-mentioned technical proposal, bar is forwarded and is heat-treated under transmission device drive, has been handled
Bar is released downwards by blanking component at rear, so that bar is rolled by transmission device to blanking rack, realizes blanking, and lead to
The splicing height that lifting assembly adjusts blanking rack is crossed, workpiece caused by avoiding workpiece blanking height excessive hits overweight problem, drop
The low damage to workpiece, when needing to bar blanking, push plate is lifted up and is rotated certain angle by the elongation of blanking cylinder,
When push plate is rotated up, workpiece is raised to disengaging transmission device by the inclined-plane of push plate upwards, and the inclined-plane of push plate at this time according to
It is so tilted down towards blanking rack, workpiece can slide down to blanking rack along the inclined-plane of push plate after being detached from transmission device, by blanking
Frame realizes to workpiece and accepts that blanking is convenient, and does not need artificial blanking, and labour is greatly saved, improves processing efficiency.
In view of the deficiencies of the prior art, present invention simultaneously provides a kind of heat treatment process for bar, have heat treatment
Good, the high-efficient advantage of effect.
To achieve the above object, the present invention provides the following technical scheme that a kind of heat treatment process for bar, including
Following steps, S1: bar is placed in stock shelf by feeding, bar is transferred to transmission device by transfer assembly, and filled by transmission
It sets and is forwarded with the speed of 40mm/min-1000mm/min；
S2: quenching, transmission device drive bar to be passed through by quenching mechanism center, and the hardening heat of quenching mechanism uses 820
DEG C -860 DEG C are quenched bar；
S3: cooling, transmission device drives bar to pass through cooling body, and cooling body is with 20 DEG C -28 DEG C of temperature to high temperature
Workpiece carries out cooling treatment, and the width for spraying part is 25cm；
S4: tempering, transmission device drive bar to be moved to tempering mechanism, are tempered mechanism with 450 DEG C -700 DEG C of temperature pair
Bar carries out tempering；
S5: the bar on transmission device is pushed to blanking rack by push plate, realizes blanking by blanking.
By using above-mentioned technical proposal, conveyor belt part of starting building at the uniform velocity is forwarded, according to the difference of bar diameter
Transmission speed is adjusted, when the bar diameter for needing to process is 70mm, transmission speed selects 40mm/min, when the stick that needs are processed
When expecting that diameter is 20mm, transmission speed selects 1000mm/min；Transmission device drives bar to be moved to quenching mechanism, according to material
Difference, choose different hardening heats, hardening heat when bar material is medium carbon steel is 840 DEG C -860 DEG C, when bar material
Hardening heat uses 820 DEG C -850 DEG C when material is medium carbon alloy steel, and the billet surface after quenching treatment obtains high rigidity
Quenched martensite；Quenched bar is continued to be forwarded to cooling body by transmission device drive, and the temperature of coolant liquid passes through
Cooling tower controls between 20 DEG C -28 DEG C, and workpiece realizes cooling down after cooling body；Transmission device drives bar later
It continues to move along to tempering mechanism, tempering temperature uses 450 DEG C -700 DEG C, after tempering, can reduce in bar
Stress is prevented from deforming and be cracked, and the hardness of adjustable bar, intensity, plasticity and toughness, can be with the group of stabilizing material
It knits and size, guarantees precision.
In conclusion the invention has the following advantages:
First, material is piled up in feed mechanism first, by feed mechanism drive by bar transfer to transmission device and by
Conveyor belt is dynamic to be forwarded to quenching mechanism, and quenching mechanism carries out high temperature quenching treatment, while conveyor belt to bar
Dynamic bar persistently forwards, and passes through cooling body later, is cooled down by cooling body to bar, finally passes through tempering machine
Structure carries out tempering to bar by tempering mechanism, bar is moved to cutting agency by transmission device later, by blanking machine
Bar is transferred in blanking rack and realizes blanking by structure, by the cooperation of whole production line, realizes the automatic loading/unloading of bar, and
Quenching, cooling, tempering operation are successively realized in transmit process, substantially increase heat treatment efficiency；
Second, being neatly discharged into bar on stock shelf when feeding, batch feeding is realized, so that labour be greatly saved
Power is exerted a force and is shifted to a certain bar therein by transfer assembly later, so that the bar on stock shelf is successively transferred to
It on transmission device, is moved by conveyor belt and forwards and be heat-treated, continuing for bar is realized by transfer assembly in this way
Feeding, to reduce labor intensity.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of feed mechanism；
Fig. 3 is the structural schematic diagram of limit assembly；
Fig. 4 is the bottom view of stock shelf；
Fig. 5 is the structural schematic diagram of quenching mechanism；
Fig. 6 is the structural schematic diagram of cutting agency.
In figure: 1, quenched rack；2, transmission device；3, feed mechanism；4, stock shelf；5, transfer assembly；6, limit assembly；
7, support rod；8, cross bar；9, cylinder is adjusted；10, stopper；11, ejection assembly；12, ejection part；13, bearing block；14, it rotates
Axis；15, liftout plate；16, drive rod；17, cylinder is ejected；18, rib；19, mounting groove；20, limit plate；21, rubber pad；22,
Sliding slot；23, sliding block；24, quenching mechanism；25, quenching mechanism；26, cooling body；27, it is tempered mechanism；28, motor cabinet；29, it adjusts
Matter motor；30, transfer roller；31, fixed link；32, rotating bar；33, interlocking bar；34, water tank；35, water pipe；36, part is sprayed；37,
Apopore；38, water receiving tank；39, return pipe；40, power supply；41, first coil；42, the second coil；43, cutting agency；44, under
Expect frame；45, blanking component；46, lifting assembly；47, push plate；48, blanking cylinder；49, column；50, supporting plate；51, baffle；52,T
Shape slot；53, T-shaped block；54, lifting cylinder；55, fixed pin；56, regulating mechanism.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment one: a kind of heat-treatment production line for bar, as depicted in figs. 1 and 2, including quenched rack 1 and
It is set to the transmission device 2 of quenched rack 1, quenched 1 side of rack is provided with feed mechanism 3, and feed mechanism 3 includes for discharging
The stock shelf 4 of bar, stock shelf 4 are provided with transfer assembly 5 close to one end of transmission device 2, and transfer assembly 5 acts on a certain
Bar simultaneously releases bar, and quenched rack 1 is provided with the limit assembly 6 for deviating from 4 side of stock shelf positioned at transmission device 2；Feeding
When bar is neatly discharged on stock shelf 4, realize batch feeding, so that labour is greatly saved, later by transfer assembly 5
A certain bar therein is exerted a force and shifted, to the bar on stock shelf 4 is successively transferred on transmission device 2, by passing
It send the drive of device 2 to forward and be heat-treated, the lasting feeding of bar is realized by transfer assembly 5 in this way, to reduce
Labor intensity.
As shown in Fig. 2, stock shelf 4 includes two support rods 7 for being fixedly installed on ground, is rotationally connected with 7 top of support rod
Cross bar 8, be rotatably connected between support rod 7 and cross bar 8 with for adjusting the adjusting cylinder 9 of 8 angle of cross bar；Two support rods
7 it is longitudinally fixed the upper surface of cross bar 8 can discharge bar on the ground, and by adjusting the flexible of cylinder 9, realize to cross
The adjusting of 8 tilt angle of bar realizes automatic feeding so that bar can be rolled along cross bar 8 towards transmission device 2.
As shown in Fig. 2, transfer assembly 5 includes being fixedly installed on cross bar 8 close to the stopper 10 of 2 one end of transmission device, stick
Material side wall contacts at 10 side wall of stopper, further includes the ejection assembly 11 for being rotatably dispose in 8 side wall of cross bar, ejection assembly 11 includes
Pointed setting and the ejection part 12 for acting on a certain bar；Bar is placed on cross bar 8 and proper alignment, is located most closely to
The bar side wall of transmission device 2 contradicts on stopper 10, realizes the positioning to bar by stopper 10, later ejection assembly
11 drive and will be close to a bar of stopper 10 and jack up upwards, are rolled to transmission under the slope driving of pointed ejection part 12
On device 2, is driven and moved forward by transmission device 2.
As shown in Fig. 2, ejection assembly 11 includes the bearing block 13 for being fixedly installed on quenched rack 1, is arranged in bearing block 13
Rotation axis 14, be fixedly connected on 14 both ends of rotation axis liftout plate 15, be fixedly connected on 14 side wall of rotation axis drive rod 16,
It is set to quenched rack 1 and the ejection cylinder 17 for pushing drive rod 16, two liftout plates 15 is located at the two of two cross bars 8
Side, ejection part 12 are located on liftout plate 15, and rotation axis 14 is lower than the upper surface of cross bar 8；Rotation axis 14 can be in bearing block 13
Rotation, the rotation of the telescopic band turn moving axis 14 by ejecting cylinder 17, so that liftout plate 15 is driven to be rotated up, liftout plate 15
Ejection part 12 bar is jacked up upwards and is pushed forward so that bar slides into transmission device 2 along the inclined-plane of liftout plate 15.
As shown in Fig. 2, cross bar 8 has upwardly extended rib 18 away from one end of transmission device 2；Exist in this way when by rod arraying
When on cross bar 8, by the way that rib 18 is arranged, it can prevent bar from skidding off from the end of cross bar 8, and can accumulate on cross bar 8
More bars, doses in increase.
As shown in Figures 2 and 3, limit assembly 6 includes the mounting groove 19 for being opened in quenched rack 1, is bolted peace
Loaded on the limit plate 20 in mounting groove 19；When bar is rolled down on transmission device 2 by cross bar 8, make in the inertia of bar itself
It falls with lower easy continuation rolls forward and from transmission device 2, by the way that limit plate 20 is arranged, the meeting when bar continues rolls forward
Limit plate 20 is struck, to avoid the problem that bar is fallen down.
As shown in figure 3, limit plate 20 is provided with rubber pad 21 close to the one side of transmission device 2；When bar rolls forward
And when striking limit plate 20, shock of the bar to limit plate 20 can be reduced by the way that rubber pad 21 is arranged, plays the work of buffering
With, and the impact noise in the course of work can be reduced.
As shown in figure 4,8 lower surface of cross bar offers sliding slot 22, the piston rod for adjusting cylinder 9 is connected with sliding block 23, sliding block
23 are slideably positioned in sliding slot 22；When adjusting the elongation of cylinder 9, the free end of cross bar 8 is jacked up upwards, so that cross bar 8
Gradient increase, convenient for the blanking of bar, when adjusting cylinder 9 and shrinking, the free end of cross bar 8 is rotated down, so that cross bar 8
Tilt angle reduce, so as to contain more bars, in this way by adjusting stretching for cylinder 9, by the gradient of cross bar 8
Optimal position is adjusted, to reach best feeding effect.
It as shown in Figure 1 and Figure 5, further include the transmission device 2 for being set to quenched rack 1, quenching mechanism 24, quenching mechanism 24
Quenching mechanism 25, cooling body 26 and tempering mechanism 27 including being set in turn in quenched rack 1 along 2 direction of transmission device,
The regulating mechanism 56 for adjusting 2 angle of transmission device is provided between transmission device 2 and quenched rack 1；Transmission device 2 is used for
It forwards bar is continual, and by the degree of the equal deformation that can reduce that bar bends of transmission device 2, it
Bar is sent in quenching mechanism 25 by the drive of transmission device 2 and is quenched afterwards, and transmission device 2 drives bar to be sent into later
Cooling body 26 is sent into tempering mechanism 27 through the bar after cooling of cooling body 26 and carries out tempering, to complete to bar
Heat treatment, by the angle of the adjustable transmission device 2 of regulating mechanism 56, by changing the angle of transmission device 2, so that stick
Material surface force-bearing situation is optimized, and tests proof when transmission device 2 is inclined to set, and the deformation of bar is minimum, can
To guarantee the cylindricity of bar.
As shown in figure 5, transmission device 2 includes the motor cabinet 28 for being set to quenched rack 1, is fixed on the quenched of motor cabinet 28
Motor 29, the transfer roller 30 for being connected to quenched 29 output shaft of motor, transfer roller 30 select V-arrangement roller, and all quenched motors 29 are in flat
Row setting；Transfer roller 30 is driven to rotate by quenched motor 29, bar rides upon on transfer roller 30 and by transfer roller 30 with trend
Preceding movement, transfer roller 30 select V-arrangement roller, the V-shaped setting in the section of V-arrangement roller, and bar can directly ride upon in V-shaped groove, thus
It can prevent bar from sliding from transfer roller 30, guarantee the stability of operation, and all quenched motors 29 are set in parallel, so that
The axis of all transfer rollers 30 is in parallel, in this way when transfer roller 30 rotates, direction of 30 side wall of transfer roller to bar
It is able to maintain unanimously, so that people preferably forwards bar.
As shown in figure 5, regulating mechanism 56 is including being fixedly installed on the fixed link 31 of quenched rack 1, one end is rotationally connected with
Fixed link 31 and isometric several rotating bars 32, motor cabinet 28 are fixedly connected on rotating bar 32 close to one end of fixed link 31；
Rotating bar 32 can rotate relative to fixed link 31, and motor cabinet 28 is fixed in rotating bar 32, and quenched motor 29 is consolidated
It is scheduled on motor cabinet 28, the angle of quenched 29 output shaft of motor can be driven to change by the rotation of rotating bar 32, thus
Change the direction of transfer of transfer roller 30 and works as processing in this way according to the angle of the corresponding adjustment transfer roller 30 of the difference of bar thickness
Bar it is thicker when, the tilt angle of transfer roller 30 can be turned down, when processing thicker bar, by transfer roller 30
Tilt angle tunes up, and rubs to guarantee that the two sidewalls of V-shaped groove can be contradicted with bar side wall, guarantees bar transmit process
Middle side wall is by uniform frictional force, so that bar remains straight line in transmit process and deformation occurs.
As shown in figure 5, being rotatably connected to interlocking bar 33 between the free end of rotating bar 32；Interlocking bar 33,32 and of rotating bar
Fixed link 31 collectively constitutes parallelogram sturcutre, when needing to adjust the angle of quenched motor 29, passes through the work of interlocking bar 33
It is dynamic, rotation while several rotating bar 32 may be implemented, and guarantee that the rotational angle of rotating bar 32 is consistent, and needing
When adjusting 30 angle of transfer roller, it is only necessary to which controlling interlocking bar 33 can be realized the synchronous rotation of more rotating bars 32.
As shown in figure 5, cooling body 26 includes water tank 34, the water pipe 35 that is connected to water tank 34, is connected to water pipe 35 and just
To the spray part 36 of bar setting, spray part 36 is arranged in a ring and is sheathed on outside bar, and spraying is in hollow setting inside part 36
And it is connected to water pipe 35, the inner wall of spray part 36 towards bar is uniformly provided with apopore 37；Water in water tank 34 passes through water pipe
35 are sent into spray part 36 and spray to the billet surface by quenching treatment, cool down to realize to quenched bar, and
It is circularized by the way that the setting of part 36 will be sprayed, bar is passed through from 36 center of spray part of annular, and by the inner wall court of spray part 36
The deformation of bar is reduced to a certain extent to bar circumferential side wall spraying cooling water so that bar is cooled uniformly.
As shown in figure 5, being provided with water receiving tank 38 in quenched rack 1, water receiving tank 38 is located at below jetting member, and water receiving tank 38 connects
It is connected to the return pipe 39 for the water in water receiving tank 38 to be sent back to water tank 34；The water for being sprayed at billet surface by spray part 36 is downward
It is flowed into water receiving tank 38, it is recycled by water receiving tank 38, the water in water receiving tank 38 returns water tank 34 by water pump later
It is interior, it realizes recycling, has achieved the effect that water conservation, waste water reuse.
As shown in figure 5, quenching mechanism 25 includes power supply 40, is connected to the first coil 41 of power supply 40, first coil volume 41
Around cylindrical setting, bar is passed through by cylindric 41 center of first coil；Power supply 40 is powered and is powered to first coil 41,
Bar is passed through under the drive of transmission device 2 by 41 center of first coil, so that high temperature quenching is realized to bar, in this way in bar
It is quenched in transmit process, quenching efficiency is higher；And bar is placed in the first coil 41 for being connected with high-frequency current, benefit
Fuel factor is generated by bar with induced current, heats workpiece surface rapidly, such mode heating time is short, quenches surface layer group
Knit that thin, performance is good, induced surface hardening high production efficiency, workpiece surface oxidation, decarburization are few, deform also small, quench-hardened case
Depth is easily controllable.
As shown in figure 5, tempering mechanism 27 includes the second coil 42 for being connected to power supply 40, the second coil 42 winding is in cylinder
Shape setting, bar are passed through by cylindric 42 center of the second coil；Power supply 40 is powered and heats to the second coil 42, and bar is passing
It is passed through under sending device 2 to drive by 42 center of the second coil, so that tempering is realized to bar, i.e. to bar in transmit process
Realize tempering, tempering quality is more preferable.
As shown in figures 1 to 6, quenched 1 side of rack is provided with cutting agency 43, and cutting agency 43 is quenched including being set to
The blanking rack 44 of 1 side of rack, is set to blanking at the blanking component 45 for being set to quenched rack 1 and being located at 2 inside of transmission device
The lifting assembly 46 of frame 44；Bar is forwarded and is heat-treated under the drive of transmission device 2, passes through blanking after the completion of processing
Component 45 releases downwards bar, so that bar is rolled by transmission device 2 to blanking rack 44, realizes blanking, and pass through lifting
Component 46 adjusts the splicing height of blanking rack 44, and workpiece caused by avoiding workpiece blanking height excessive hits overweight problem, reduces
Damage to workpiece.
As shown in fig. 6, blanking component 45 includes the push plate 47 for being rotatably dispose in quenched rack 1, is set to quenched rack 1 simultaneously
It is rotationally connected with the blanking cylinder 48 of push plate 47, push plate 47 includes the inclined-plane for acting on bar；When needing to bar blanking, under
Push plate 47 is lifted up and is rotated certain angle by the material elongation of cylinder 48, when push plate 47 is rotated up, the inclined-plane of push plate 47
Workpiece is raised to upwards and is detached from transmission device 2, and the inclined-plane of push plate at this time 47 is still tilted down towards blanking rack 44, work
Part can slide down to blanking rack 44 along the inclined-plane of push plate 47 after being detached from transmission device 2, realized and accepted to workpiece by blanking rack 44,
Blanking is convenient, and does not need artificial blanking, and labour is greatly saved, improves processing efficiency.
As shown in fig. 6, blanking rack 44 includes two columns 49 for being fixed on ground, is connected to two columns 49 simultaneously laterally
The supporting plate 50 of setting, 50 other end of supporting plate are rotatably connected to longitudinally disposed baffle 51, and lifting assembly 46 is set under supporting plate 50
Side simultaneously is used to that supporting plate 50 to be driven to move up and down；Workpiece can be fallen directly on supporting plate 50 after being fallen by transmission device 2, and baffle 51 can
To slide after preventing workpiece from falling on supporting plate 50, and the hopper of U-shaped is formed by baffle 51, supporting plate 50 and column 49, so that
A certain amount of material can be stockpiled on supporting plate 50, and moving up and down for supporting plate 50 is realized by lifting assembly 46 in splicing, thus
Adjust blanking height.
As shown in fig. 6, lifting assembly 46 includes that longitudinal direction is opened in the T-slot 52 of 49 side wall of column, is set to 50 end of supporting plate
It simultaneously slides the T-shaped block 53 being connected in T-slot 52, be set to 50 bottom of supporting plate and the lifting air for pushing supporting plate 50 to go up and down in portion
Ground is fixed in cylinder 54,54 bottom of lifting cylinder, and piston rod is connected to 50 lower surface of supporting plate；Supporting plate 50 can be with by T-shaped block 53
It realizes the sliding along T-slot 52, and supporting plate 50 can be driven to realize lifting, lifting cylinder 54 herein by lifting cylinder 54
Using multi-stage cylinder, when just starting splicing, lifting cylinder 54 be in elongation state, and blanking height minimum at this time, when connecing
When expecting to a certain degree, lifting cylinder 54 drives supporting plate 50 to decline level-one, to realize further splicing and make blanking height
It is maintained in lesser range.
The setting as shown in fig. 6,51 section of baffle is in U-shape, 51 bottom edge of baffle are articulated with 50 end of supporting plate, 51 side wall of baffle with
The fixed pin 55 for baffle 51 to be fixed on to vertical position is equipped between 50 side wall of supporting plate；Baffle 51 can be relative to supporting plate
50 rotations, and when baffle 51 turns to vertical with supporting plate 50, the side wall of baffle 51 is overlapped with the side wall of supporting plate 50, and is led to
The side wall that fixed pin 55 sequentially passes through baffle 51 and supporting plate 50 is crossed, baffle 51 is fixed on to the position vertical with supporting plate 50, works as support
When material on plate 50 fills, fixed pin 55 is extracted out and the baffle 51 that flips to the outside, so that bar skids off downwards along baffle 51,
To which bar be removed in batches from blanking rack 44.
As shown in fig. 6,49 upper end of column is arc-shaped setting；When bar is slipped in blanking rack 44 from transmission device 2,
It is in the arc-shaped by the way that the upper end of column 49 to be arranged, avoid the corner angle of 49 upper end of column from causing to stop to bar, so that
Blanking is more smooth.
As shown in fig. 6,51 upper end of baffle is arc-shaped setting；When bar received on supporting plate 50 is enough, flap shutter
51 and bar is slided along baffle 51,51 upper end of baffle is arranged in the arc-shaped, guiding role is played to tumbling for bar.
As shown in figure 5, transmission device 2 includes the motor cabinet 28 for being set to quenched rack 1, is fixed on the quenched of motor cabinet 28
Motor 29, the transfer roller 30 for being connected to quenched 29 output shaft of motor, transfer roller 30 select V-arrangement roller, and all quenched motors 29 are in flat
Row setting；Transfer roller 30 is driven to rotate by quenched motor 29, bar rides upon on transfer roller 30 and by transfer roller 30 with trend
Preceding movement, transfer roller 30 select V-arrangement roller, the V-shaped setting in the section of V-arrangement roller, and bar can directly ride upon in V-shaped groove, thus
It can prevent bar from sliding from transfer roller 30, guarantee the stability of operation, and all quenched motors 29 are set in parallel, so that
The axis of all transfer rollers 30 is in parallel, in this way when transfer roller 30 rotates, direction of 30 side wall of transfer roller to bar
It is able to maintain unanimously, to preferably forward bar.
Embodiment two: a kind of heat treatment process for bar, include the following steps, S1: bar is placed in by feeding
Expect frame 4, bar is transferred to transmission device 2 by transfer assembly 5, and by transmission device 2 with the speed of 40mm/min-1000mm/min
Degree forwards；S2: quenching, transmission device 2 drive bar to be passed through by 25 center of quenching mechanism, the hardening heat of quenching mechanism 25
Bar is quenched using 820 DEG C -860 DEG C；S3: cooling, transmission device 2 drives bar to pass through cooling body 26, cold
But mechanism 26 carries out cooling treatment to high temperature workpiece with 20 DEG C -28 DEG C of temperature, and the width for spraying part 36 is 25cm；S4:
Tempering, transmission device 2 drive bar be moved to tempering mechanism 27, be tempered mechanism 27 with 450 DEG C -700 DEG C of temperature to bar into
Row tempering；S5: the bar on transmission device 2 is pushed to blanking rack 44 by push plate 47, realizes blanking by blanking.
Transmission device 2 drives workpiece at the uniform velocity to forward, according to the different adjustment transmission speeds of bar diameter, when needs add
When the bar diameter of work is 70mm, transmission speed selects 40mm/min, when the bar diameter for needing to process is 20mm, transmission speed
Degree selects 1000mm/min；Transmission device 2 drives bar to be moved to quenching mechanism 25, according to the difference of material, chooses different
Hardening heat, hardening heat when bar material is medium carbon steel are 840 DEG C -860 DEG C, are quenched when bar material is medium carbon alloy steel
Fiery temperature uses 820 DEG C -850 DEG C, and the billet surface after quenching treatment obtains the quenched martensite of high rigidity；It is quenched
Bar continues to be forwarded to cooling body 26 by the drive of transmission device 2, the temperature of coolant liquid by cooling tower control 20 DEG C-
Between 28 DEG C, workpiece realizes cooling down after cooling body 26；Later transmission device 2 drive bar continue to move along to
It is tempered mechanism 27, tempering temperature uses 450 DEG C -700 DEG C, after tempering, can reduce bar internal stress, prevent from deforming
And cracking, and the hardness of adjustable bar, intensity, plasticity and toughness, it can be guaranteed with the tissue and size of stabilizing material
Precision.
The above is only a preferred embodiment of the present invention, 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 (7)
1. a kind of heat-treatment production line for bar, including quenched rack (1), it is characterised in that: further include be set to it is quenched
The feed mechanism (3) of rack (1) side, the transmission device (2) for being set to quenched rack (1) are set to quenched rack (1) and edge
The quenching mechanism (24) of transmission device (2) setting, the cutting agency (43) for being set to quenched rack (1) side, the feeder
Structure (3) includes for discharging the stock shelf of reinforcing bar (4), and the quenching mechanism (24) includes successively setting along transmission device (2) direction
It is placed in the quenching mechanism (25), cooling body (26) and tempering mechanism (27) of quenched rack (1), cutting agency (43) packet
Include the blanking rack (44) for being set to quenched rack (1) side；The transmission device (2) includes the electricity for being set to quenched rack (1)
Base (28), the quenched motor (29) for being fixed on motor cabinet (28), the transfer roller (30) for being connected to quenched motor (29) output shaft,
The transfer roller (30) selects V-arrangement roller, and all quenched motors (29) are set in parallel, the transmission device (2) with it is quenched
The regulating mechanism (56) for adjusting transmission device (2) angle is provided between rack (1)；The regulating mechanism (56) includes solid
Surely it is set to the fixed link (31) of quenched rack (1), one end is rotationally connected with fixed link (31) and isometric several rotating bars
(32), the motor cabinet (28) is fixedly connected on the one end of rotating bar (32) close to fixed link (31), the freedom of rotating bar (32)
Interlocking bar (33) are rotatably connected between end；The stock shelf (4) is provided with transfer assembly close to the one end of transmission device (2)
(5), the transfer assembly (5) acts on a certain reinforcing bar and releases reinforcing bar, and the quenched rack (1), which is provided with, is located at transmission
Device (2) deviates from the limit assembly (6) of stock shelf (4) side.
2. a kind of heat-treatment production line for bar according to claim 1, it is characterised in that: the stock shelf (4)
Including the cross bar (8) for being fixedly installed on two support rods (7) on ground, being rotationally connected with support rod (7) top, the support rod
(7) it is rotatably connected between cross bar (8) and the adjusting cylinder (9) for adjusting cross bar (8) angle.
3. a kind of heat-treatment production line for bar according to claim 2, it is characterised in that: the transfer assembly
It (5) include the stopper (10) for being fixedly installed on cross bar (8) close to transmission device (2) one end, reinforcing bar side wall contacts at stopper
(10) side wall further includes the ejection assembly (11) for being rotatably dispose in cross bar (8) side wall, and the ejection assembly (11) includes pointed
It is arranged and acts on the ejection part (12) of a certain reinforcing bar.
4. a kind of heat-treatment production line for bar according to claim 3, it is characterised in that: the ejection assembly
It (11) include the bearing block (13) for being fixedly installed on quenched rack (1), the rotation axis (14) for being arranged in bearing block (13), fixed company
It is connected to the liftout plate (15) at rotation axis (14) both ends, the drive rod (16) for being fixedly connected on rotation axis (14) side wall, is set to tune
Matter rack (1) and the ejection cylinder (17) for being used to push drive rod (16), two liftout plates (15) are located at two cross bars (8)
Two sides, the ejection part (12) is located on liftout plate (15), and the rotation axis (14) is lower than the upper surface of cross bar (8).
5. a kind of heat-treatment production line for bar according to claim 1, it is characterised in that: the cooling body
(26) include water tank (34), be connected to the water pipe (35) of water tank (34), be connected to the spray of water pipe (35) and face steel-bar arrangement
Part (36), the spray part (36) are arranged in a ring and are sheathed on outside reinforcing bar, inside the spray part (36) simultaneously in hollow setting
It is connected to water pipe (35), the inner wall of spray part (36) towards the reinforcing bar is uniformly provided with apopore (37).
6. a kind of heat-treatment production line for bar according to claim 1, it is characterised in that: the cutting agency
(43) further include be set to quenched rack (1) and be located at transmission device (2) on the inside of blanking component (45), be set to blanking rack
(44) lifting assembly (46), the blanking component (45) include the push plate (47) for being rotatably dispose in quenched rack (1), are set to
Quenched rack (1) and the blanking motor for being rotationally connected with push plate (47), the push plate (47) includes the inclined-plane for acting on reinforcing bar.
7. a kind for the treatment of process of any one heat-treatment production line of application as described in claim 1-6, it is characterised in that: packet
Include following steps,
S1: bar is placed in stock shelf (4) by feeding, bar is transferred to transmission device (2) by transfer assembly (5), and by passing
Device (2) is sent to forward with the speed of 40mm/min-1000mm/min；
S2: quenching, transmission device (2) drive bar to be passed through by quenching mechanism (25) center, the hardening heat of quenching mechanism (25)
Bar is quenched using 820 DEG C -860 DEG C；
S3: cooling, transmission device (2) drives bar to pass through cooling body (26), and cooling body (26) is with 20 DEG C -28 DEG C of temperature
The width for carrying out cooling treatment to high temperature workpiece, and spraying part (36) is 25cm；
S4: tempering, transmission device (2) drive bar to be moved to tempering mechanism (27), are tempered mechanism (27) with 450 DEG C -700 DEG C
Temperature carries out tempering to bar；
S5: the bar on transmission device (2) is pushed to blanking rack (44) by blanking by push plate (47), realizes blanking.
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| CN201810209784.7A CN108384932B (en) | 2018-03-14 | 2018-03-14 | A kind of heat-treatment production line and its treatment process for bar |
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| CN201810209784.7A CN108384932B (en) | 2018-03-14 | 2018-03-14 | A kind of heat-treatment production line and its treatment process for bar |
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| CN108384932B true CN108384932B (en) | 2019-10-15 |
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| CN110408746A (en) * | 2019-04-29 | 2019-11-05 | 南京南化建设有限公司 | Anti-H 2 S annealing device |
| CN111304430B (en) * | 2020-03-02 | 2021-09-03 | 杭州大路金属热处理有限公司 | Heat treatment process for long shaft |
| CN112342344B (en) * | 2020-10-15 | 2022-04-22 | 北京金兆博高强度紧固件有限公司 | Tempering treatment equipment for steel slender shaft workpieces |
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| CN208087667U (en) * | 2018-03-14 | 2018-11-13 | 平湖开铭热处理有限公司 | A kind of heat-treatment production line for bar |
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| JP5571415B2 (en) * | 2010-03-05 | 2014-08-13 | 山陽特殊製鋼株式会社 | Continuous heat treatment equipment |
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|---|---|---|---|---|
| CN102433425A (en) * | 2011-12-12 | 2012-05-02 | 上海恒精机电设备有限公司 | Machine tool for continuously quenching slender steel pipe |
| CN102807078A (en) * | 2012-08-08 | 2012-12-05 | 天津市汉沽德源机械制造有限公司 | Automatic sending device |
| CN202807806U (en) * | 2012-08-08 | 2013-03-20 | 天津市汉沽德源机械制造有限公司 | Automatic feeding device of piston rod |
| CN206901280U (en) * | 2017-06-27 | 2018-01-19 | 浙江双鸟锚链股份有限公司 | A kind of automatic bar feed mechanism |
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