CN105537278B - Roll assembly attaching/detaching apparatus - Google Patents
Roll assembly attaching/detaching apparatus Download PDFInfo
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- CN105537278B CN105537278B CN201511028887.6A CN201511028887A CN105537278B CN 105537278 B CN105537278 B CN 105537278B CN 201511028887 A CN201511028887 A CN 201511028887A CN 105537278 B CN105537278 B CN 105537278B
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- roll
- loading
- platform
- roll assembly
- detaching apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
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- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention discloses a kind of roll assembly attaching/detaching apparatus, including loading/unloading platform, detent mechanism, profiling pallet and charging crane；Detent mechanism is arranged on loading/unloading platform, and roll assembly is positioned on loading/unloading platform；Profiling pallet is liftably arranged on loading/unloading platform, when profiling pallet rises to a working depth, the contact of profiling pallet and back up roll；Charging crane is arranged on loading/unloading platform, when profiling pallet contacts roll, to be dismounted to roll mandrel.The present invention is for rack and the structure type of roll in existing roll assembly, and the dismounting maintenance device of proposition, the dismounting for making roll and roll mandrel is more convenient, and reliability improves, the step of reducing artificial participation, reduces labor strength and cost of labor.Meanwhile roll mandrel and roll are dismounted using the present invention, reduce the tool changing time, improve the assembly precision of roll assembly, effectively increase equipment operation duration, be conducive to equipment and further discharge production capacity.
Description
Technical field
The present invention relates to steel rolling equipment technical field, in particular to a kind of attaching/detaching apparatus of roll assembly.
Background technology
Last one hot-rolled process of the size-reducing mill as seamless steel tube production, effect be in certain total reducing rate and
Under the conditions of smaller single chassis reducing rate, hollow forging is rolled into certain fished pipe for requiring dimensional accuracy and circularity, because depending on
It needs to participate in pipe deformation using multiple roll stands in tube reducing.In addition different product scopes corresponds to the roller mill of different shaped jet holes
Frame, this 2 points determine that unit must be equipped with the roll stand instrument of substantial amounts in production.And add carrying out single roller aperture type
Work, rack are safeguarded and are required for carrying out the dismounting of roll assembly when replacing roll.Therefore, roll stand assembles in actual production
The dismounting of body is very frequently.
For more mainstream in the artAbove big pipe production line is all equipped with the size-reducing mill of substantial amounts
Roll stand.Since a common feature of these roll stands is that equipment build is big, quality is big, and preload pull rod is required for fix
Roll mandrel and attended operation space are small.Therefore, cause manually that dismounting is difficult big, efficiency is low, the time is long, high labor cost, from
And cause the plant maintenance time long, so as to reduce the effective production time of unit, constrain the release of unit production capacity.
Existing roll assembly fully relies on artificial dismounting, since the quality of roll and roll mandrel is larger, is dismounting
Driving auxiliary progress is needed in journey, roll mandrel is extracted out by driving, then accordingly removes whole the zero of roll and roll shafting again
Part.Dismounting is difficult, and time-consuming, and assembly precision is low.
The content of the invention
A primary object of the present invention is at least one defect for overcoming the above-mentioned prior art, and providing one kind can tear open
Fill convenience and high-efficiency and the relatively low roll assembly attaching/detaching apparatus of cost of labor.
For achieving the above object, the present invention adopts the following technical scheme that：
According to an aspect of the present invention, a kind of roll assembly attaching/detaching apparatus is provided, for loading and unloading a roll assembly,
The roll assembly includes rack and the roll of the rack is assemblied in by roll mandrel, the roll assembly dismounting dress
It puts including loading/unloading platform, detent mechanism, profiling pallet and charging crane；The detent mechanism is arranged on the loading/unloading platform,
The roll assembly is positioned on the loading/unloading platform；The profiling pallet is liftably arranged on the loading/unloading platform
On, when the profiling pallet rises to a working depth, the profiling pallet contacts and supports the roll；The charging crane is set
In the loading/unloading platform, when the profiling pallet contacts the roll, to be dismounted to the roll mandrel.
One of embodiment according to the present invention, the loading/unloading platform includes main platform and at least one pair is flat
Platform；The detent mechanism, the profiling pallet and the lifting gear are arranged at the main platform；At least one auxiliary platform
The periphery of the main platform is connected to, the installation position of the auxiliary platform is corresponded with the roll direction of principal axis, and each institute
It states and a charging crane is respectively equipped on auxiliary platform, to dismount the roll mandrel correspondingly.
One of embodiment according to the present invention, the detent mechanism include two locating pieces, clip slot and jackscrew；
Described two positioning block gaps are fixed on the loading/unloading platform；The clip slot is fixed on the loading/unloading platform, and positioned at institute
It states between two locating pieces；The jackscrew is adjustably arranged in one of them of described two locating pieces, in the rack
When being arranged in described two locating pieces with clip slot, the positioning rack is screwed.
One of embodiment according to the present invention, is equipped with fluting in the middle part of the loading/unloading platform, the profiling pallet by
The driving of one lifting gear is liftably arranged in the fluting.
One of embodiment according to the present invention, the lifting gear include carrier, the first oil cylinder and guide rod；
The carrier is fixed below the profiling pallet, to carry the profiling pallet；First oil cylinder is arranged on described vertically
Below carrier, the upper end of first oil cylinder is connected to the carrier；The guide rod is vertically arranged and is held through described
Load plate, to be oriented to when carrier described in first hydraulic oil cylinder driving is lifted to the carrier.
One of embodiment according to the present invention, the charging crane include the second oil cylinder, spindle nose, rotating cylinder and spiral shell
Head；Second oil cylinder is horizontally disposed with, and telescopic direction is positioned at the roll mandrel side during loading/unloading platform with the rack
To identical；The spindle nose is telescopically secured to the front end of second oil cylinder；The rotating cylinder is rotationally sheathed on the axis
On head；The screw head is fixed on the rotating cylinder front end；When the spindle nose stretches into the roll mandrel, by rotating the rotating cylinder, energy
The screw head and the inner hole thread of the roll shaft is enough driven to screw.
One of embodiment according to the present invention, the charging crane further include slide and sliding block；The slide
It is fixed on the loading/unloading platform, there is the slideway identical with the second oil cylinder telescopic direction；The sliding block is slideably set
In in the slideway of the slide；The front end of second oil cylinder is through and out the sliding block, and the spindle nose is located at the cunning
The front of block, the rotating cylinder is between the sliding block and the spindle nose front end.
One of embodiment according to the present invention, the loading/unloading platform includes main platform and at least one pair is flat
Platform；The main platform is provided with the detent mechanism, the profiling pallet and the lifting gear；It is described at least one secondary flat
Platform compartment of terrain is connected to the periphery of the main platform, and the installation position of the auxiliary platform is corresponded with the roll direction of principal axis；
The slide of each charging crane is fixed on correspondingly on the auxiliary platform.
One of embodiment according to the present invention, the charging crane further include handwheel；The handwheel is arranged on described
On rotating cylinder, to rotate the rotating cylinder.
One of embodiment according to the present invention, the rack is triangular in shape and tool is there are three roll and three rolls
Axis, there are three trailing arms, when the profiling pallet rises to the working depth, described three in Y-shaped and tool for the profiling pallet
Trailing arm contacts and supports three rolls respectively.
As shown from the above technical solution, exist the advantages of roll assembly attaching/detaching apparatus proposed by the present invention with good effect
In：
Roll assembly attaching/detaching apparatus of the present invention for rack and the structure type of roll in existing roll assembly, carries
The dismounting maintenance device gone out, the dismounting for making roll and roll mandrel is more convenient, and reliability improves, and reduces the step manually participated in
Suddenly, labor strength and cost of labor are reduced.Meanwhile using roll assembly attaching/detaching apparatus of the present invention to roll mandrel and roll
It is dismounted, reduces the tool changing time, improve the assembly precision of roll assembly, when effectively increasing equipment operation
It is long, be conducive to equipment and further discharge production capacity.
Wherein, when roll assembly attaching/detaching apparatus of the present invention uses the profiling pallet of Y types, can further apply pair
The dismounting of size-reducing mill roll mandrel and rack so that such as size-reducing mill roll mandrel, this equipment build and weight are larger
The dismounting of a kind of roll mandrel and roll, reliability is with more efficient, and cost of labor is relatively low.
Description of the drawings
Fig. 1 is illustrated according to a kind of stereochemical structure of roll assembly attaching/detaching apparatus shown in an illustrative embodiments
Figure；
Fig. 2 is illustrated according to a kind of plan structure of roll assembly attaching/detaching apparatus shown in an illustrative embodiments
Figure；
Fig. 3 is the A of Fig. 2 to structure diagram；
Fig. 4 is shown according to a kind of local overlooking structure of roll assembly attaching/detaching apparatus shown in an illustrative embodiments
It is intended to；
Fig. 5 is the office according to an a kind of working condition of roll assembly attaching/detaching apparatus shown in an illustrative embodiments
Portion's schematic diagram；
A kind of one charging crane of roll assembly attaching/detaching apparatus during Fig. 6 according to an illustrative embodiments is put
Big sectional view.
Wherein, the reference numerals are as follows：
11. rack；12. roll mandrel；21. loading/unloading platform；211. main platforms；212. auxiliary platform；22. detent mechanism；221.
Locating piece；222. clip slot；223. jackscrew；23. profiling pallet；231. trailing arm；24. lifting gear；241. carrier；242. first
Oil cylinder；243. guide rod；25. charging crane；251. second oil cylinders；252 spindle noses；253. rotating cylinder；254. screw head；255. slide；
256. sliding block.
Specific embodiment
Embodying the exemplary embodiments of feature of present invention and advantage will describe in detail in the following description.It should be understood that this
Invention can have various variations in different embodiments, neither depart from the scope of the present invention, and it is therein explanation and
Diagram is inherently illustrative rather than to limit the present invention.
In being described below the different illustrative embodiments to the present invention, carry out referring to the drawings, the attached drawing is formed
The part of the present invention, and the exemplary knot of difference for many aspects that the present invention can be achieved wherein is shown by way of example
Structure, system and step.It is to be understood that other specified schemes of component, structure, exemplary means, system and step can be used, and
And structural and functional modification can be carried out without departing from the scope of the invention.Although moreover, it can be used in this specification
Term " periphery ", " bottom ", " end ", " between ", " one side " etc. the different example features of the present invention and element described, still
These terms in this article merely for convenient, such as with reference to the accompanying drawings described in exemplary direction.It is any in this specification
Content is not necessarily to be construed that the specific three dimensional direction of Structure of need is just fallen within the scope of the present invention.
Refering to Fig. 1, the roll assembly attaching/detaching apparatus that can embody the principle of the present invention is representatively illustrated in Fig. 1
Dimensional structure diagram.In the illustrative embodiments, roll assembly attaching/detaching apparatus proposed by the present invention is with seamless steel
It is used in pipe production process exemplified by the size-reducing mill of later stage hot-rolled process.Wherein, it is main in the roll assembly of the size-reducing mill
The roll in rack 11 is arranged on including rack 11 (cooperation is refering to Fig. 3) and by roll mandrel 12, in the inside of its rack 11, dress
Equipped with to three rolls of good pass, and these three rolls are mutually 120 ° of centering installations, i.e., three roll mandrels 12 are mutually 120 °
Centering is installed.It realizes that torque transfers by spline between roll and roll mandrel 12, treats that roll and the cooperation of roll mandrel 12 install
Cheng Hou pre-tightens all elements in the shafting including roll is included on roll mandrel 12 by pull rod and pre-load nut, then
Locking spiral cover and axle end baffle plate are installed.In addition, 11 peripheral hardware organic frame 11 of rack push-and-pull hook and positioning baffle.Those skilled in the art
It is easily understood that for the roll assembly attaching/detaching apparatus to be applied to the disassembling operations of the roll assembly of other various equipment
In, and a variety of remodeling, addition, replacement, deletion or other variations are made to following specific embodiments, these variations are still at this
In the range of the principle for inventing the roll assembly attaching/detaching apparatus proposed.That is, which can be rolling for other equipment
Roller member, such as single roll structure, multiple roll arranged side by side or four roll structures of cross centering etc..
Refering to Fig. 2 to Fig. 6, a kind of roll assembly attaching/detaching apparatus of present embodiment is representatively illustrated in Fig. 2
Overlooking the structure diagram representatively illustrates a kind of vertical view knot of roll assembly attaching/detaching apparatus of present embodiment in Fig. 3
A in structure schematic diagram representatively illustrates a kind of roll assembly dismounting dress of present embodiment to structure diagram in Fig. 4
The local overlooking structure diagram put, the specific state represented when profiling pallet 23 is placed in loading/unloading platform 21, in Fig. 5 typically
It shows partial schematic diagram during a kind of roll assembly one working condition of attaching/detaching apparatus of present embodiment, specifically represents above-mentioned
The roll assembly of size-reducing mill is positioned at schematic diagram during loading/unloading platform 21, and present embodiment is representatively illustrated in Fig. 6
A kind of roll assembly attaching/detaching apparatus one of charging crane 25 enlarged cross-sectional view.It is right below in conjunction with above-mentioned attached drawing
The principle of roll assembly attaching/detaching apparatus proposed by the present invention is described in detail and illustrates.
As shown in Figure 1, in the present embodiment, roll assembly attaching/detaching apparatus proposed by the present invention can be used for loading and unloading example
Such as the roll assembly of above-mentioned size-reducing mill, which includes rack 11 and is assemblied in rack 11 to be mutually 120 °
Three rolls of centering installation.Wherein, which mainly includes loading/unloading platform 21, detent mechanism 22, imitates
Shape pallet 23, lifting gear 24 and charging crane 25.
As depicted in figs. 1 and 2, in the present embodiment, loading/unloading platform 21 mainly includes main platform 211 and three pairs are put down
Platform 212.Wherein, detent mechanism 22, profiling pallet 23 and lifting gear 24 are provided on main platform 211.Three auxiliary platforms 212 connect
It is connected to the periphery of main platform 211, and three rolls of the roll assembly of the installation position and size-reducing mill of three auxiliary platforms 212
12 direction of axis corresponds, i.e. the axis direction of each auxiliary platform 212 is mutually 120 ° of angles.It should be appreciated that three above
The set-up mode of auxiliary platform 212 is only adapted to the exemplary distribution knot of three rolls of roll assembly of above-mentioned size-reducing mill
Structure, and the structure and arrangement selected.It will be readily appreciated by those skilled in the art that for the roll assembly of the present invention is torn open
Assembling device is applied in the roll charge and discharge operations of other various equipment, and to the structure of the roll assembly attaching/detaching apparatus, especially
It is the various conversion of 212 structure of auxiliary platform progress of its loading/unloading platform 21, all without departing from the roll assembly attaching/detaching apparatus of the present invention
Principle scope.In addition, even if for the roll structure of size-reducing mill layout, the quantity of auxiliary platform 212 and respective cloth
The mode of putting can also be adjusted flexibly, it is only necessary to ensure the dismounting path direction for each charging crane 25 being arranged on auxiliary platform 212, energy
It is enough consistent with each 12 direction of roll mandrel respectively.
It should be further noted that in the present embodiment, as depicted in figs. 1 and 2, three charging cranes 25 are one by one
It is accordingly separately positioned on three auxiliary platforms 212, and the dismounting path direction of three charging cranes 25 rolls respectively with three
12 direction of roll shaft is consistent.However, in other illustrative embodiments of the present invention, with the change of 212 topology layout of auxiliary platform
Change and the adjustment of other structures, can be adjusted flexibly above-mentioned one-to-one setting relation.
As depicted in figs. 1 and 2, in the present embodiment, detent mechanism 22 is two groups, and is respectively arranged on 21 phase of loading/unloading platform
To two sides on, detent mechanism 22 is enable to position the above-mentioned two sides of roll assembly loading/unloading platform 21.Specifically,
Each detent mechanism 22 mainly includes two locating pieces 221, clip slot 222 and jackscrew 223.Wherein, two locating pieces 221 are spaced
It is fixed on the both ends position of one of them of the above-mentioned two sides of loading/unloading platform 21, one of locating piece 221 is towards another
Can jackscrew 223 adjustably be worn on another locating piece 221 with setting-up piece on one positioning surface of one locating piece 221, with
When the part-structure of the rack 11 of roll assembly being made to be placed between above-mentioned two locating piece 221, jackscrew 223 is screwed by adjusting
The part-structure of rack 11 is positioned between two locating pieces 221.Meanwhile clip slot 222 is fixed on loading/unloading platform 21, and position
Between two locating pieces 221, for positioning frame 11 part-structure when, it is fixed.Those skilled in the art should
When understanding, the above-mentioned description as described in detent mechanism 22 is only one of exemplary illustration of the invention, to be set various
The roll assembly of standby various structures is positioned on the loading/unloading platform 21 of roll assembly attaching/detaching apparatus of the present invention, and to above-mentioned
Detent mechanism 22 carries out the conversion such as various remodeling, addition, deletion, replacement, is torn open all without departing from roll assembly proposed by the present invention
The scope of the principle of assembling device.
As depicted in figs. 1 and 2, in the present embodiment, profiling pallet 23 by the lifting of lifting gear 24 liftably
On loading/unloading platform 21, and 21 middle part of loading/unloading platform has the fluting for accommodating profiling pallet 23 and being lifted for it.Wherein, due to
In the present embodiment, roll assembly to be dismounted is a kind of roll assembly of size-reducing mill, i.e. the roll assembly has
There are three rolls for being substantially in triangular form and being mutually 120 ° of centerings installations, three roll mandrels 12 and for installing three roll mandrels
12 rack 11.Therefore, in order to better adapt to the supporting of the profiling to the roll assembly of such structure, in present embodiment
In, there are three trailing arms 231 in Y-shaped and tool for the profiling pallet 23 so that when profiling pallet 23 rises to a working depth, three supports
Arm 231 contacts and carries three rolls respectively.Specifically, profiling pallet 23 is substantially in Y-shaped, i.e. the three of profiling pallet 23
Trailing arm 231 is mutually 120 ° of angles so that the direction that each trailing arm 231 is extended by 23 center of profiling pallet, it is right respectively at its
12 direction of roll mandrel answered is vertical, and each 231 top of trailing arm has groove corresponding with roll substructure, such as but unlimited
In circular groove, further to promote the stability and reliability that the contact of profiling pallet 23 supports each roll.Art technology
Personnel by the roll contact of the roll assembly of various other structures it should be appreciated that be supported on roll assembly of the present invention
On the profiling pallet 23 of attaching/detaching apparatus, and the conversion such as various remodeling, addition, deletion, replacement are carried out to above-mentioned profiling pallet 23,
The scope of the principle of roll assembly attaching/detaching apparatus proposed by the present invention is not departed from.
As shown in Figure 1, Figure 2 with shown in Fig. 6, in the present embodiment, charging crane 25 is arranged on loading/unloading platform 21, for imitative
After shape pallet 23 contacts back up roll, disassembling operations are carried out to roll mandrel 12.Each charging crane 25 mainly includes the second oil cylinder
251st, spindle nose 252, rotating cylinder 253 and screw head 254.Wherein, the second oil cylinder 251 is horizontally disposed, and telescopic direction is assembled with roll
12 direction of roll mandrel is identical when the rack 11 of body is positioned at loading/unloading platform 21.Spindle nose 252 is fixed on the scalable of the second oil cylinder 251
Front end, i.e. spindle nose 252 is telescopically secured to the front end of the second oil cylinder 251.Rotating cylinder 253 is rotationally sheathed on spindle nose 252
On, and screw head 254 is fixed on 253 front end of rotating cylinder.That is, when spindle nose 252 is driven by the second oil cylinder 251 and is stretched into roll mandrel 12 and is carried
When in the axis hole of screw thread, just screw head 254 can be driven to rotate by revolving drum 253, and be revolved with the inner hole thread of roll shaft axis hole
Tightly, and then again roll mandrel 12 is extracted by rack 11 by the second oil cylinder 251.In addition, based on loading/unloading platform in present embodiment
21 structure, above-mentioned charging crane 25 can also include slide 255 and sliding block 256.Wherein, it is flat to be fixed on handling for slide 255
On the auxiliary platform 212 of platform 21, and there is the slideway identical with 251 telescopic direction of the second oil cylinder, sliding block 256 is slidingly disposed at cunning
In the slideway of seat 255, the front end of the second oil cylinder 251 is through and out sliding block 256, and spindle nose 252 is located at the front of sliding block 256,
Rotating cylinder 253 is located between 252 front end of sliding block 256 and spindle nose.It is it will be apparent to a skilled person that various other to realize
The dismounting of the roll mandrel 12 of the roll assembly of structure, and above-mentioned charging crane 25 is carried out various to retrofit, add, deleting, replacing
The conversion such as change, all without departing from the scope of the principle of roll assembly attaching/detaching apparatus proposed by the present invention.
In addition, as shown in Figure 1, in the present embodiment, the slide 255 of each charging crane 25 is fixed on correspondingly
On auxiliary platform 212, i.e., it is respectively provided on each auxiliary platform 212 there are one charging crane 25.However, other in the present invention are exemplary
In embodiment, it is equal and correspond that auxiliary platform 212 and the quantity and distribution mode of charging crane 25 are not limited only to quantity
Ground is set.For example, by taking the structure of three auxiliary platforms 212 in present embodiment as an example, one or two handling can be only set
Mechanism 25, and charging crane 25 is removably mounted on auxiliary platform 212, then it can be by the way that charging crane 25 be arranged on difference
Auxiliary platform 212 on, and each roll mandrel 12 is dismounted successively.For another example, with three charging cranes in present embodiment
, can be into one or two auxiliary platform 212 of setting exemplified by 25, and the structure of auxiliary platform 212 is compared to the knot in present embodiment
Structure is changed, and charging crane 25 is arranged on auxiliary platform 212, need to only meet each charging crane 25 corresponding to each roll mandrel 12
.
It should be noted here that the roll assembly attaching/detaching apparatus for showing in attached drawing and describing in the present specification is only energy
Enough using an example in many kinds of roll assembly attaching/detaching apparatus of the principle of the invention.It is it should be clearly understood that of the invention
Principle be only limitted to show in attached drawing absolutely not or this specification described in roll assembly attaching/detaching apparatus any details or roll
Any part of roller assembly attaching/detaching apparatus.
For example, be not intended to meet the principle of the present invention, as shown in Figures 2 to 4, in the present embodiment, above-mentioned lifting
The lifting gear 24 of profiling pallet 23 mainly includes carrier 241, Ffirst cylinder 2 42 and guide rod 243.Wherein, carrier 241
23 lower section of profiling pallet is fixed on, for carrying profiling pallet 23.Ffirst cylinder 2 42 is arranged below carrier 241 vertically, and the
The upper end (can be by the upper end of the push rod of cylinder body telescopic lifting) of one oil cylinder 242 is connected to carrier 241.Guide rod 243 is perpendicular
It is straight to set and through carrier 241, to be oriented to when Ffirst cylinder 2 42 drives carrier 241 to lift to carrier 241.
However, not in all illustrative embodiments of the present invention, it is necessary to be designed as lifting gear 24 above-mentioned
Structure.It will be apparent to a skilled person that for the roll contact of the roll assembly of various other structures is supported on
On the profiling pallet 23 of roll assembly attaching/detaching apparatus of the present invention, and above-mentioned lifting gear 24 is carried out various to retrofit, add, deleting
The conversion such as remove, replace, all without departing from the scope of the principle of roll assembly attaching/detaching apparatus proposed by the present invention.
For another example, be not intended to meet the principle of the present invention, as shown in Figure 1, Figure 2 with shown in Fig. 6, it is in the present embodiment, above-mentioned
Charging crane 25 further includes the handwheel on rotating cylinder 253, rotating cylinder 253 is rotated with the person of being conveniently operated, to drive 253 front end of rotating cylinder
Screw head 254 and the internal thread hole of roll mandrel 12 screw or unscrew.However not in all illustrative embodiments of the present invention
In, it is necessary to handwheel is set, it can be by setting other various structures, rotation of the person of being conveniently operated to rotating cylinder 253.
Hereinafter, with reference to foregoing description, and the specific knot of the roll assembly for the size-reducing mill in the above embodiment
Structure, the idiographic flow that roll mandrel 12 is dismantled or installed to roll assembly attaching/detaching apparatus proposed by the present invention carry out furtherly
It is bright.
Roll assembly is first placed on loading/unloading platform 21 by the dismounting for roll stand 11, by loading/unloading platform 21
Locating piece 221, jackscrew 223 and clip slot 222 complete positioning and lock to the rack 11 of roll assembly on loading/unloading platform 21
Tightly.After the completion for the treatment of 11 positioning and locking of rack, the Ffirst cylinder 2 42 of 21 slotted lower portion of loading/unloading platform is stretched out, and is held by push rod driving
The whole platform liter in the case where the guiding of guide rod 243 is guided of load plate 241, the profiling pallet 23 entertained on load plate 241 with after roll contact, the
One oil cylinder, 242 stopping action and pressurize.The baffle of 12 spindle nose of roll mandrel is then unloaded, locking spiral cover and pre-load nut, exposing are rolled
Connection screw thread in roll shaft 12, then the second oil cylinder 251 on auxiliary platform 212 stretch out, driving sliding block 256 in slide 255 forward
It slides, that is, screw head 254 is driven to move forward.During screw head 254 is advanced, by revolving drum 253 screw head 254 is driven to revolve
Enter in roll mandrel 12, after its screw thread comes into full contact with and screws, the second oil cylinder 251 on auxiliary platform 212 bounces back, by roll mandrel 12 by
Rack 11 pulls out, and then roll can hang platform, remaining small part also can accordingly be completed to dismantle, so as to complete the roll shafting
The dismounting of all parts.
The rack 11 of roll assembly is first placed on loading/unloading platform 21, passes through handling by the installation for roll stand 11
Locating piece 221, jackscrew 223 and clip slot 222 on platform 21 are completed to the rack 11 of roll assembly on loading/unloading platform 21
Positioning and locking, after the completion for the treatment of 11 positioning and locking of rack, the Ffirst cylinder 2 42 of 21 slotted lower portion of loading/unloading platform is stretched out, by pushing away
Bar drives the whole platform liter in the case where the guiding of guide rod 243 is guided of carrier 241, and the profiling pallet 23 for load plate 241 of entertaining, which rises to, to be treated
After the preset height for filling roll, 42 stopping of Ffirst cylinder 2 action and pressurize, and by roll handling and be placed on profiling pallet 23.
Then the roll mandrel, which is fastened, needs the other parts concatenated to be sequentially serially connected with according to the rules with position in this rack 11.Concatenation
After finishing, by 12 handling of roll mandrel and it is placed on dismounting platform, a centering roll mounting hole passes through on auxiliary platform 212 the
Two oil cylinders 251 stretch out, and driving sliding block 256 is in 255 slides forwards of slide, thus the roll mandrel 12 that will be connected with screw head 254
It is pushed into inside rack 11.After after roll and the cooperation of roll mandrel 12, installation is complete, by pull rod and pre-load nut on roll mandrel 12
It is pre-tightened comprising all elements in the shafting including roll.Then, locking spiral cover and axle end baffle plate are installed.In 11 peripheral hardware of rack
There are push-and-pull hook and positioning baffle, that is, the installation for this shafting completed.
In conclusion the advantages of roll assembly attaching/detaching apparatus proposed by the present invention and good effect are：
Roll assembly attaching/detaching apparatus of the present invention, for the structure type of rack 11 in existing roll assembly and roll,
The dismounting maintenance device of proposition makes roll mandrel 12 and the dismounting of roll more convenient, and reliability improves, and reduces what is manually participated in
Step reduces labor strength and cost of labor.Meanwhile using roll assembly attaching/detaching apparatus of the present invention to 12 He of roll mandrel
Roll is dismounted, and reduces the tool changing time, improves the assembly precision of roll assembly, effectively increases equipment operation
Duration is conducive to equipment and further discharges production capacity.
Wherein, when roll assembly attaching/detaching apparatus of the present invention uses the profiling pallet 23 of Y types, can further apply
Dismounting to size-reducing mill roll and roll mandrel 12 so that such as size-reducing mill roll, equipment build and weight are larger
The dismounting of a kind of roll and roll mandrel, reliability is with more efficient, and cost of labor is relatively low.
Exemplary embodiment party that is described in detail above and/or illustrating roll assembly attaching/detaching apparatus proposed by the present invention
Formula.But embodiments of the present invention are not limited to particular implementation as described herein, on the contrary, the composition portion of each embodiment
Point and/or step can be independent with other components as described herein and/or step and be used separately.One embodiment
Each component and/or each step can also be used in combination with the other components and/or step of other embodiment.
Whens introducing described here and/or diagram element/component/wait, term "one", " one " and " above-mentioned " etc. be representing
There are one or more elements/component/etc..Term "comprising", " comprising " and " having " include to represent open
Inside look like and refer to the element except listing/component/also may be present in addition to waiting other element/component/
Deng.In addition, term " first " and " second " in claims and specification etc. is only used as mark, it is not to its object
Numerical limit.
Although roll assembly attaching/detaching apparatus proposed by the present invention is described according to different specific embodiments,
But it will be recognized by those skilled in the art the implementation of the present invention can be modified in the spirit and scope of the claims.
Claims (9)
1. a kind of roll assembly attaching/detaching apparatus, for loading and unloading a roll assembly, the roll assembly includes rack (11)
And the roll of the rack (11) is assemblied in by roll mandrel (12), the roll assembly attaching/detaching apparatus includes：
Loading/unloading platform (21)；
The roll assembly on the loading/unloading platform (21), is positioned at the loading/unloading platform by detent mechanism (22)
(21) on；
Profiling pallet (23), liftably on the loading/unloading platform (21), the profiling pallet (23) rises to job height
When spending, the profiling pallet (23) contacts and supports the roll；And
Charging crane (25), arranged on the loading/unloading platform (21), with when the profiling pallet (23) contacts the roll, to institute
It states roll mandrel (12) to be dismounted, the charging crane (25) includes：
Second oil cylinder (251) is horizontally disposed with, and telescopic direction is positioned at the loading/unloading platform (21) when institute with the rack (11)
It is identical to state roll mandrel (12) direction；
Spindle nose (252) is telescopically secured to the front end of second oil cylinder (251)；
Rotating cylinder (253) is rotationally sheathed on the spindle nose (252)；And
Screw head (254) is fixed on the rotating cylinder (253) front end；
When the spindle nose (252) stretches into the roll mandrel (12), by rotating the rotating cylinder (253), the screw head can be driven
(254) inner hole thread with the roll mandrel (12) screws.
2. roll assembly attaching/detaching apparatus according to claim 1, wherein, the loading/unloading platform (21) includes：
Main platform (211), the detent mechanism (22), the profiling pallet (23) are arranged at the main platform (211)；And
At least one auxiliary platform (212) is connected to the periphery of the main platform (211), the installation position of the auxiliary platform (212)
It is corresponded with the roll mandrel (12) direction, and a charging crane is respectively equipped on each auxiliary platform (212)
(25), to dismount the roll mandrel (12) correspondingly.
3. roll assembly attaching/detaching apparatus according to claim 1, wherein, the detent mechanism (22) includes：
Two locating pieces (221), interval are fixed on the loading/unloading platform (21)；
Clip slot (222) is fixed on the loading/unloading platform (21), and between described two locating pieces (221)；And
Jackscrew (223), adjustably in one of them of described two locating pieces (221), to block in the rack (11)
When in described two locating pieces (221) and clip slot (222), the positioning rack (11) is screwed.
4. roll assembly attaching/detaching apparatus according to claim 1, wherein, it is equipped with and opens in the middle part of the loading/unloading platform (21)
Slot, the profiling pallet (23) are driven by a lifting gear (24) and are liftably arranged in the fluting.
5. roll assembly attaching/detaching apparatus according to claim 4, wherein, the lifting gear (24) includes：
Carrier (241) is fixed below the profiling pallet (23), to carry the profiling pallet (23)；
First oil cylinder (242), vertically below the carrier (241), the upper end of first oil cylinder (242) is connected to
The carrier (241)；And
Guide rod (243) is vertically arranged and through the carrier (241), to drive the carrying in first oil cylinder (242)
The carrier (241) is oriented to when disk (241) lifts.
6. roll assembly attaching/detaching apparatus according to claim 1, wherein, the charging crane (25) further includes：
Slide (255) is fixed on the loading/unloading platform (21), is had identical with the second oil cylinder (251) telescopic direction
Slideway；And
Sliding block (256), is slidingly disposed in the slideway of the slide (255)；
The front end of second oil cylinder (251) is through and out the sliding block (256), and the spindle nose (252) is located at the cunning
The front of block (256), the rotating cylinder (253) are located between the sliding block (256) and the spindle nose (252) front end.
7. roll assembly attaching/detaching apparatus according to claim 6, wherein, the loading/unloading platform (21) includes：
Main platform (211) is provided with the detent mechanism (22), the profiling pallet (23)；And
At least one auxiliary platform (212), compartment of terrain are connected to the periphery of the main platform (211), and auxiliary platform (212) are set
Seated position is corresponded with the roll mandrel (12) direction；
The slide (255) of each charging crane (25) is fixed on correspondingly on the auxiliary platform (212).
8. roll assembly attaching/detaching apparatus according to claim 1, wherein, the charging crane (25) further includes：
Handwheel, on the rotating cylinder (253), to rotate the rotating cylinder (253).
9. according to claim 1~8 any one of them roll assembly attaching/detaching apparatus, wherein, the rack (11) is in triangle
Shape and tool is there are three roll and three roll mandrels (12), the profiling pallet (23) in trailing arm (231) there are three Y-shapeds and tool,
When the profiling pallet (23) rises to the working depth, three trailing arms (231) contact and support described three respectively rolls
Roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028887.6A CN105537278B (en) | 2015-12-31 | 2015-12-31 | Roll assembly attaching/detaching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028887.6A CN105537278B (en) | 2015-12-31 | 2015-12-31 | Roll assembly attaching/detaching apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105537278A CN105537278A (en) | 2016-05-04 |
| CN105537278B true CN105537278B (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511028887.6A Active CN105537278B (en) | 2015-12-31 | 2015-12-31 | Roll assembly attaching/detaching apparatus |
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| Country | Link |
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| CN (1) | CN105537278B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618504A (en) * | 2009-06-16 | 2010-01-06 | 扬州力创机床有限公司 | Supporting roll assembling and disassembling machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1232308A1 (en) * | 1984-12-10 | 1986-05-23 | Производственное Объединение "Ново-Краматорский Машиностроительный Завод" | Arrangement for changing working stand rolls |
| IT1283801B1 (en) * | 1996-08-13 | 1998-04-30 | Innocenti Eng Spa | ROLLING MACHINE FOR THE CALIBRATION OF PIPES OR ASTIFORM BODIES IN GENERAL IN THE STEEL INDUSTRY |
| DE10015285C2 (en) * | 2000-03-28 | 2003-11-27 | Kocks Technik | Rolling mill for rolling metallic pipes, bars or wires |
| DE102005042835B3 (en) * | 2005-09-09 | 2007-05-31 | Sms Meer Gmbh | Rolling mill for manufacturing tube and rod, includes rollers in roller frame located in stand, with adjusters which can be swung or translated and locked in position |
| CN102921736A (en) * | 2012-11-21 | 2013-02-13 | 无锡市瑞尔精密机械股份有限公司 | Roller positioning device for assembly of seamless steel pipe sizing machine frame |
| CN203448399U (en) * | 2013-09-12 | 2014-02-26 | 太原重工股份有限公司 | Roll changing device of sizing mill |
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2015
- 2015-12-31 CN CN201511028887.6A patent/CN105537278B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618504A (en) * | 2009-06-16 | 2010-01-06 | 扬州力创机床有限公司 | Supporting roll assembling and disassembling machine |
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