Steel billet feeding buffer unit, steel billet feeding system and its operating method
The present invention relates to steel manufacture fields, slow more particularly to a kind of steel billet feeding buffer unit including the steel billet feeding
The steel billet feeding system and its operating method of flushing device.
Steel billet feeding buffer unit is to carry out stopping the important of alignment effect to steel billet before steel rolling mill's steel billet enters heating furnace
Equipment, steel billet need to be transported to before being rolled heating furnace inlet by charging roller mechanism, then by pusher structure by steel
Base promote and heated in heating furnace (direction that the direction of charging roller mechanism transporting steel billet and steel billet move in heating furnace at
90°).Charging roller mechanism transports three steel billets every time, and at 3 tons or so, each steel billet is transported to be added the weight of every steel billet
Steel billet feeding buffer unit being required when hot stove inlet, blocking alignment being carried out to steel billet, steel billet is to feeding buffer unit per extremely big
It about will receive 500 times or so impacts.
Feeding buffer unit used at present is simple steelframe blocking mechanism.It will cause in use as follows not
Good influence: 1, simple steelframe blocking mechanism is smaller to the energy-absorbing buffering effect of steel billet impact process, causes steel billet to simple
Steelframe blocking mechanism impact force is larger, and steelframe is severely deformed using that can occur after some months, while will cause the simple steel of support
The foundation bolt of frame blocking mechanism loosens, and increases labor intensity to maintenance personal and increases maintenance maintenance equipment cost；
2, for simple steelframe blocking mechanism after carrying out blocking alignment to steel billet, actual alignment effect is unsatisfactory, so that pusher
When steel billet is pushed into heating furnace, steel billet often shows irregular situation, will cause individual steel billet substantial deviations once in a while
The steel billet of the middle line of heating furnace, substantial deviation middle line will cause the case where scratching heating furnace inner wall hair when sliding in heating furnace
It is raw, security risk is brought to production.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, which is achieved through the following technical solutions:
The present invention proposes that a kind of steel billet feeding buffer unit, the steel billet feeding buffer unit include:
It is fixedly attached to the quiet component of fixation of foundation of civil work；
Resilient snubber, the resilient snubber have be fixedly attached to the quiet component of the fixation fixing end and with it is described
The opposite abutting end of fixing end；With
It buffers backstop and moves component, the buffering backstop is moved component and connect with the drive member, and can be by described
The driving effect of drive member moves back and forth along shrinkage direction and stretching direction；
Wherein, the abutting end of the resilient snubber can move component along the shrinkage direction in the buffering backstop
Component is moved with the buffering backstop in the case where movement to engage to make the resilient snubber in the quiet component of the fixation and institute
It states and is pressurized between the dynamic component of buffering backstop to form compression pretightning force.
One kind according to the present invention is advantageously improved, and the dynamic component of the buffering backstop is provided with can be quiet group with the fixation
Part engagement is to make the buffering backstop move component along the retainer for stretching out direction stop motion.
It is according to the present invention another be advantageously improved, the buffering backstop move component include for steel billet phase interaction
One end of buffer board and the sliding supporting part being slidably supported in the quiet component of the fixation, the sliding supporting part is solid
Surely it is connected to the buffer board, the other end of the sliding supporting part is connected to the drive member.
Another kind according to the present invention is advantageously improved, and the resilient snubber is placed on the sliding supporting part, institute
It states sliding supporting part and is provided with the buffering mating surface engaged with the abutting end of the resilient snubber, so that working as the buffering
When stopping element is moved along the shrinkage direction, the buffering mating surface of the buffering stopping element can be pressed against the bullet
Property bolster to make the resilient snubber move between component compression in the quiet component of the fixation and the buffering backstop with shape
It is acted at elastic buffer.
Preferably, the resilient snubber is compressed spring.
Alternatively, the resilient snubber is high-temperature resistant ring-shaped rubber bodies.
It is according to the present invention another be advantageously improved, the quiet component of fixation includes the pedestal for being connected to foundation of civil work,
The fixed baffle and sleeve being connected on the pedestal, the fixed baffle can be with the retainers for buffering dynamic component
It engages so that described buffer dynamic component along the stretching direction stop motion, the sleeve is for accommodating the resilient snubber.
According to a preferred embodiment of the present invention, the drive member is connected to the bottom by bracket
In addition, the present invention also proposes a kind of steel billet feeding system, the steel billet feeding system includes for transporting steel billet
Charging roller mechanism pushes away steel for pushing to steel billet in the heating furnace for carrying out hot worked heating furnace to steel billet
Mechanism and steel billet feeding buffer unit as described above, the steel billet feeding buffer unit are used for by the feeding roller
The steel billet of road mechanism conveying forms buffer function, and is then delivered to position appropriate in alignment for steel billet is regular.
Finally, the present invention also proposes a kind of steel billet feeding operating method implemented by above-mentioned steel billet feeding system, it is described
Steel billet feeding operating method the following steps are included:
It drives the buffering backstop to move component by the drive member and moves certain distance along the shrinkage direction, thus
Apply certain compression pretightning force to the resilient snubber；
Steel billet feeding is driven to stop until steel billet is hit after the buffering backstop moves component by the charging roller mechanism
It drives the buffering backstop to move component by the drive member to move along the stretching direction until the buffering
The retainer that backstop moves component engages the quiet component of fixation；
Steel billet is pushed into the heating furnace by the pusher structure to be heated.
As described above, slow by installing sliding supporting part, such as sliding support and an appropriate number of elasticity in buffer unit
Stamping, such as cylindroid helical-coil compression spring drive sliding supporting part to be shunk together (to apply to resilient snubber suitable by cylinder
When pretightning force), feeding steel billet can be greatly reduced when feeding steel billet impact attenuation device to the impact force of buffer unit,
Additionally by the drive connection of cylinder and sliding supporting part, cylinder driving sliding supporting part stretches out together pushes buffer board Forward to make
It obtains the regular alignment of steel billet and is located at position appropriate, and solve the problems, such as that feeding steel billet is irregular.
Therefore the invention has the following advantages: being hit when can thoroughly solve steel billet feeding to the excessive of buffer unit
It hits, avoids buffer unit severely deformed and the injury to buffer unit foundation of civil work, to reduce equipment failure rate and reduction
The labor intensity and maintenance cost of maintenance personal avoids steel billet additionally, due to heating furnace is just pushed into after the regular alignment of steel billet
The irregular damage to heating furnace wall, eliminates the generation of work safety accident.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the floor plan of the steel billet feeding system of embodiment according to the present invention；
Fig. 2 shows the cross section views of the steel billet feeding buffer unit of embodiment according to the present invention；
Fig. 3 shows the view that the A-A in Fig. 2 of embodiment steel billet feeding buffer unit according to the present invention is splitted；
Fig. 4 shows the plan view in contraction state of the steel billet feeding system of embodiment according to the present invention；
Fig. 5 shows the plan view in stretching state of the steel billet feeding system of embodiment according to the present invention.
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Embodiment according to the present invention, as shown in Figure 1, propose a kind of steel billet feeding system, the steel billet feeding system
Including charging roller mechanism 1, pusher structure 2, heating furnace 4 and steel billet feeding buffer unit 5.Wherein, as shown in Figures 2 and 3, steel
Base feeding buffer unit 5 includes: the cylinder 516 as drive member；The buffering backstop driven by cylinder 516 move component 53,
51；It is fixedly attached to the quiet component 519,510,56 of fixation of foundation of civil work；Compressed spring 57 as resilient snubber.Wherein,
The dynamic component of buffering backstop includes that sliding supporting part, such as sliding support 53 and one end by interference fit and sliding support 53 are fixed
Buffer board 51 together.Fixed quiet component includes being bolted to connection to the pedestal 519 of foundation of civil work, by welding to connect
It connects or is threadedly coupled the fixed baffle 510 for being fixed to pedestal 519 and accommodate the spring spool 56 of spring 57.Sliding support 53 is with can
The mode of sliding is supported in spring spool 56, enables cylinder 516 along shrinkage direction (as shown in Figure 1 far from steel billet 3
Direction) and stretch out direction (as shown in Figure 1 close to the direction of steel billet 3) driving sliding support 53 and buffer board 51 back and forth transported
It is dynamic.In addition, as shown in Fig. 2, spring spool 56 passes through bolt 55 along two ends of its axial direction respectively is connected with end cap 54
With end cap 59.Preferred embodiment in accordance with the present invention, sliding support 53 are provided with external screw thread to be equipped with as stop
The nut 513 of part passes through nut 513 and fixed gear when cylinder 516 is along stretching direction driving sliding support 53 and buffer board 51
Plate 510 is in contact to prevent driving sliding support 53 and buffer board 51 along direction further movement is stretched out, to make to buffer
Plate 51 and steel billet 3 is correspondingly made to rest on required position.Advantageously, nut 513 can be as needed along sliding support
Axial direction be adjusted.Preferably, compressed spring 57 is cylindroid helical-coil compression spring, as shown in Fig. 2, compressed spring 57
One end is connected to spring spool 56 by backing plate 58, and the other end is free end, should when spring fastening 53 is moved along shrinkage direction
Pretightning force is compressed required for engaging and being compressed to produce with sliding support 53 in free end, for buffering steel billet to buffer board 51
Impact force.As shown in Figure 2 or Figure 3, sliding support is provided with the shaft shoulder, when sliding support is driven along shrinkage direction, the axis
Shoulder is pressed against the free end of compressed spring 53 to make compressed spring form compression pretightning force.In addition, as shown in figure 3, cylinder 516 is logical
It crosses air cylinder support 517 and bolt 518 is connected to pedestal 519, and cylinder 516 is drivingly connected sliding by connector sleeve 514 and 515
The other end opposite with connection one end of buffer board 51 of support.Preferred embodiment in accordance with the present invention, in addition to by cylinder
The sliding support 53 of 516 drivings, steel billet feeding buffer unit 5 are additionally provided with other sliding support 52, each sliding support 53
And each sliding support 52 is equipped with corresponding compressed spring 57, so as to enhance buffering effect.In addition, each sliding
Support 52 is additionally provided with nut 511 and washer 512, so that being used as together with nut 513 makes sliding support and buffer board along stretching
The retainer that direction stops, thus enhancing stopping effect.Specifically, as shown in figure 4, passing through the driving sliding branch of cylinder 516 first
Seat 53 is moved along shrinkage direction, and sliding support 53 drives sliding support 52 by buffer board 51 connected to it in contractile motion
Contractile motion is carried out together, and when moving to defined position, the shaft shoulder of sliding support 53 and 52 compresses compressed spring 57, thus right
Compressed spring 57 applies certain compression pretightning force, and (size of the compression pretightning force depends on the pressure of the compressed air of cylinder 516
Therefore power can be adjusted as needed)；Then, drive 3 feeding of steel billet (along Fig. 1, Fig. 4 and figure by charging roller mechanism 1
The direction of arrow meaning straight down in 5) stop motion after steel billet 3 hits buffer board 51；Then, pass through cylinder
516 driving sliding supports 53 and buffer board 51 simultaneously drive sliding support 52 to move together along stretching direction until nut 513 engages
Fixed baffle 510；Finally, steel billet 3 is pushed by pusher structure 2, (arrow horizontally to the right in Fig. 1, Fig. 4 and Fig. 5 is signified
Direction) it is heated in heating furnace 4.
Although being pointed out that preferred embodiment in accordance with the present invention, compressed spring, preferably cylindrical screw pressure
Contracting spring is used as resilient snubber, and alternatively, however, resilient snubber is also possible to high-temperature resistant ring-shaped rubber bodies；Equally, may be used
To use hydraulic cylinder to substitute cylinder as drive member of the invention.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.