Steel billet feeding buffer unit, steel billet feeding system and its operating method
The present invention relates to steel manufacture field, delays 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 that steel billet is carried out to stop the important of alignment effect before steel rolling mill's steel billet enters heating furnace
Equipment, steel billet need to be transported to heating furnace porch by charging roller mechanism before being rolled, then by pusher structure by steel
Base promote and heated in heating furnace (direction of charging roller mechanism transporting steel billet and the direction that steel billet moves in heating furnace into
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
It is required for steel billet feeding buffer unit to carry out stop alignment to steel billet during hot stove porch, steel billet is to feeding buffer unit per extremely big
Appointment is by the impact of 500 times or so.
The feeding buffer unit used at present is simple steelframe blocking mechanism.It can cause in use as follows not
Good influence：1st, energy-absorbing buffering effect of the simple steelframe blocking mechanism to steel billet impact process is smaller, causes steel billet to simple
Steelframe blocking mechanism impact is larger, and steelframe can cause to support simple steel using gross distortion can occur after some months
The foundation bolt of frame blocking mechanism loosens, and adds labor intensity to maintenance personal and adds maintenance maintenance equipment cost；
2nd, simple steelframe blocking mechanism to steel billet after stop alignment is carried out, and actual alignment effect is unsatisfactory so that pusher
When steel billet is pushed into heating furnace, steel billet often shows uneven situation, and occasional causes indivedual steel billet substantial deviations
The center line of heating furnace, it can cause to scratch the situation hair of heating furnace inwall when the steel billet of substantial deviation center line slides in heating furnace
It is raw, bring potential safety hazard to production.
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, the purpose is achieved through the following technical solutions：
The present invention proposes a kind of steel billet feeding buffer unit, and the steel billet feeding buffer unit includes：
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
Buffer backstop and move component, the buffering backstop is moved component and is connected 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 in the case of motion with the buffering backstop to engage so that the resilient snubber is in the quiet component of the fixation and institute
State between buffering backstop moves component and be pressurized to form compression pretightning force.
It is advantageously improved according to one kind of the present invention, the dynamic component of buffering backstop is provided with can be quiet group with the fixation
Part engages so that the buffering backstop moves retainer of the component along the stretching direction stop motion.
It is advantageously improved according to another of the invention, the dynamic component of buffering backstop includes being used for and steel billet phase interaction
Buffer board and the sliding supporting part being slidably supported in the quiet component of the fixation, one end of the sliding supporting part is consolidated
Surely the buffer board is connected to, the other end of the sliding supporting part is connected to the drive member.
It is advantageously improved according to the another kind of the present invention, the resilient snubber is placed on the sliding supporting part, institute
State sliding supporting part and be provided with the buffering mating surface engaged with the abutting end of the resilient snubber so that when the buffering
Stopping element along the shrinkage direction move when, it is described buffering stopping element the buffering mating surface can be pressed against the bullet
Property bolster so that the resilient snubber the quiet component of the fixation and it is described buffering backstop move component between be pressurized with shape
Acted on into elastic buffer.
Preferably, the resilient snubber is compression spring.
Alternatively, the resilient snubber is high-temperature resistant ring-shaped rubber bodies.
It is advantageously improved according to another of the invention, the quiet component of fixation includes the base for being connected to foundation of civil work,
The fixed dam and sleeve being connected on the base, the fixed dam can be with the retainers of the dynamic component of the buffering
Engage so that the dynamic component of the buffering is used to accommodate the resilient snubber along the stretching direction stop motion, the sleeve.
According to a kind of preferred embodiment of the present invention, the drive member is connected to the bottom by support
In addition, the present invention also proposes a kind of steel billet feeding system, the steel billet feeding system is included for transporting steel billet
Charging roller mechanism, for carrying out hot worked heating furnace to steel billet, steel is pushed away for steel billet to be pushed in the heating furnace
Mechanism, and steel billet feeding buffer unit as described above, the steel billet feeding buffer unit are used for passing through the feeding roller
The steel billet of road mechanism conveying forms cushioning effect, and is then delivered to appropriate position in alignment by 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, described
Steel billet feeding operating method comprises the following steps：
Drive the buffering backstop to move component by the drive member and move certain distance along the shrinkage direction, so as to
Apply certain compression pretightning force to the resilient snubber；
Driving steel billet feeding by the charging roller mechanism, described buffer after backstop moves component stops until steel billet hits
Drive the buffering backstop to move component by the drive member to move until the buffering along the stretching direction
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.
It is 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, sliding supporting part is driven to shrink together by cylinder (suitable so as to apply to resilient snubber
When pretightning force), can greatly reduce impulsive force of the feeding steel billet to buffer unit when feeding steel billet impact attenuation device,
Additionally by the drive connection of cylinder and sliding supporting part, cylinder driving sliding supporting part stretches out together promotes buffer board reach to make
Obtain the regular alignment of steel billet and be located at appropriate position, solve the problems, such as that feeding steel billet is uneven again.
Therefore the invention has the advantages that：Excessively hitting to buffer unit when can thoroughly solve steel billet feeding
Hit, avoid buffer unit gross distortion and the injury to buffer unit foundation of civil work, so as to reduce equipment failure rate and reduction
The labor intensity and maintenance cost of maintenance personal, additionally, due to heating furnace is just pushed into after the regular alignment of steel billet, avoid steel billet
The uneven damage to heating furnace wall, eliminate the generation of work safety accident.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows the floor plan of the steel billet feeding system according to embodiment of the present invention；
Fig. 2 shows the cross section view of the steel billet feeding buffer unit according to embodiment of the present invention；
Fig. 3 shows the view splitted along the A-A in Fig. 2 according to embodiment of the present invention steel billet feeding buffer unit；
Fig. 4 shows the plan view in contraction state of the steel billet feeding system according to embodiment of the present invention；
Fig. 5 shows the plan view in stretching state of the steel billet feeding system according to embodiment of the present invention.
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although this public affairs is shown in accompanying 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.Conversely, there is provided these embodiments are to be able to be best understood from the disclosure, and can be by this public affairs
The scope opened completely is communicated to those skilled in the art.
According to the embodiment of the present invention, as shown in figure 1, proposing 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：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；Compression spring 57 as resilient snubber.Wherein,
Buffering backstop, which moves component, to be included sliding supporting part, such as sliding support 53 and is fixed by interference fit and one end of sliding support 53
Buffer board 51 together.Fixed quiet component includes being bolted to connection to the base 519 of foundation of civil work, connected by welding
Connect or be threadedly coupled the fixed dam 510 for being fixed to base 519 and the spring spool 56 for accommodating spring 57.Sliding support 53 is with can
The mode of slip is supported in spring spool 56 so that cylinder 516 can be along shrinkage direction (as shown in Figure 1 away 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 is connected with end cap 54 by bolt 55 respectively along two ends of its axial direction
With end cap 59.According to a preferred embodiment of the invention, sliding support 53 is provided with external screw thread and is used as stop so as to be provided with
The nut 513 of part, when cylinder 516 is along stretching direction driving sliding support 53 and buffer board 51, passes through nut 513 and kept off with fixed
Plate 510 is in contact so as to prevent to drive sliding support 53 and buffer board 51 from further being moved along direction is stretched out, so that buffering
Plate 51 and steel billet 3 is correspondingly set to rest on required position.Advantageously, nut 513 can be as needed along sliding support
Axial direction be adjusted.Preferably, compression spring 57 is cylindroid helical-coil compression spring, as shown in Fig. 2 compression 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 moves along shrinkage direction
Free end engages with sliding support 53 and is compressed to produce required compression pretightning force, for buffering steel billet to buffer board 51
Impulsive 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 axle
Shoulder is pressed against the free end of compression spring 53 so that compression spring forms compression pretightning force.In addition, as shown in figure 3, cylinder 516 is logical
Cross air cylinder support 517 and bolt 518 is connected to base 519, and cylinder 516 is slided by the drive connection of adapter sleeve 514 and 515
The other end opposite with one end of connection buffer board 51 of bearing.According to a preferred embodiment of the invention, except 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 compression spring 57, so as to strengthen buffering effect.In addition, each slide
Bearing 52 is additionally provided with nut 511 and packing ring 512, so as to be used as making sliding support and buffer board together with nut 513 along stretching
The retainer that direction stops, thus strengthening stopping effect.Specifically, branch is slided as shown in figure 4, being driven first by cylinder 516
Seat 53 moves along shrinkage direction, and sliding support 53 drives sliding support 52 in contractile motion by connected buffer board 51
Contractile motion is carried out together, the shaft shoulder compression compression spring 57 of sliding support 53 and 52 when moving to defined position, so as to right
Compression 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, the feeding of steel billet 3 is driven (along Fig. 1, Fig. 4 and figure by charging roller mechanism 1
The direction of the meaning of arrow straight down in 5) stop motion after steel billet 3 hits buffer board 51；Then, cylinder is passed through
516 driving sliding supports 53 and buffer board 51 simultaneously drive sliding support 52 to be moved together along stretching direction until nut 513 engages
Fixed dam 510；Finally, steel billet 3 is pushed into (along the horizontal arrow meaning to the right in Fig. 1, Fig. 4 and Fig. 5 by pusher structure 2
Direction) heated in heating furnace 4.
It is pointed out that although according to a preferred embodiment of the invention, compression spring, preferably cylindrical screw pressure
Contracting spring is used as resilient snubber, and alternatively, however, resilient snubber can also be high-temperature resistant ring-shaped rubber bodies；Equally, also may be used
To use hydraulic cylinder to substitute cylinder as the drive member of the present invention.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.