CN1091061A

CN1091061A - Standby more changing device of roll and insert integral roll

Info

Publication number: CN1091061A
Application number: CN 93102690
Authority: CN
Inventors: 高野典师; 宫田勉
Original assignee: Nippon Steel Metal Products Co Ltd
Current assignee: Nippon Steel Metal Products Co Ltd
Priority date: 1993-02-15
Filing date: 1993-02-15
Publication date: 1994-08-24

Abstract

The base anchor (11) that roll stand (12,13) is installed is releasably to be arranged on the make-up machine support, together with base anchor (11) frame (12,13) is transported, and carries out the replacing of roll then.With cantilever support device (40) roll mandrel (21,22) so that being free-ended mode, the operation side end is carried out cantilever support.With operation side frame handler (51) operation side frame (13) is taken off and thoroughly removed from base anchor (11).Allow roll automatic handling device (65) between base anchor (11) and operation side frame handler (51), move, roll (25) is pulled up or installed from roll mandrel (21,22).Roll (25) and liner (27) are combined into insert integral roll (29), and roll automatic handling device (65) is clamped its liner (27) part and carried out the loading and unloading of roll (25).Change roll, promptly carry out the standby replacing operation of roll and will improve operating efficiency significantly adopting this device to carry out carrying out off line in the make-up machine of roll for cold rolling moulding.

Description

Standby more changing device of roll and insert integral roll

The present invention relates to a kind of roll and carry out the standby more changing device of roll that off line is changed uses such as cold roll shapings, especially the standby more changing device of roll when on the base anchor of forming machine tool, removably rolling-mill housing being set, also relevant with the insert integral roll that uses in the roll forming machine that adopts the standby more changing device of this roll.

In the roll forming machine that drives roll mandrel by universal coupling, when carrying out the roll replacing according to the change of shaping kind, normally with roll mandrel and be installed in the roll mandrel two ends and bearing housing all-in-one-piece roller assembly is taken off from each roll stand of top and bottom rolls assembly, be transported to standby more carry over crane etc. again, in this standby more carry over, carry out old roll (used forming rolls, be the roll before the varietal change) and the replacing of roll (untapped forming rolls, i.e. roll behind the varietal change) newly.

It all is to come handwork by the operator that above-mentioned roll is changed except that using crane, thereby efficient is low, the application's applicant has developed the standby more changing device of improved roll at this, and has proposed patent application (seeing special hope flat 2-111402 number) before the application.Should the standby more changing device of roll in first to file be a kind of standby more changing device of the roll that can transport top and bottom rolls assembly occasion in batch that is applicable to, wherein said roller assembly be to form by the metal (upper case on the two ends that are mounted on top and bottom rolls.Its principal character be will realize with connecting rod the forming rolls device that constitutes of integrated top and bottom rolls assembly (integrated top and bottom rolls assembly a group) be installed in and carry out roll on the interim frame that is arranged in the standby more carry over and change, and be provided with operation side bearing case taken off or is installed in the interim frame handler of operation side on the roll from the roll automatically and roll taken off or be installed in roll handler on the roll mandrel from the roll mandrel automatically.

Use interim frame to carry out the standby more changing device of above-mentioned existing roll that roll is changed, its advantage is top and bottom rolls can be transported in batch to change, can carry out automatically work on the roll or the like is taken off or be installed in to roll from roll, therefore, this roll is changed efficiency of operation and has been significantly improved, but also is expected to further raising.On the interim frame of roll device, carry out roll with organizational systems to change because be in addition, so in standby replacing, be difficult to fully (roll is depressed adjustment) be adjusted in the gap of top and bottom rolls, after this forming rolls device that carries out standby replacing entered the roll stand of roll forming machine, roll when beginning to be shaped is depressed adjustment, promptly exists the problem that needs time-consuming in the adjustment of logical plate initial stage.

The present invention be directed to that above-mentioned problems of the prior art propose, its purpose is to provide can carry out the standby replacing of high efficiency roll and can shorten the logical plate initial stage again and adjust the standby more changing device of roll of time.

The standby more changing device of roll of the present invention for achieving the above object be on forming machine tool, be provided with can dismounting base anchor, on this base anchor, roll stand is set, the standby more changing device of this roll is applicable to the roll forming machine, it is characterized in that it has:

Determine that the installation site of the position of above-mentioned base anchor determines platform, this base anchor that is provided with roll stand is free to pull down from the formingstand of roll forming machine;

Determine to embed roll mandrel in the driving side rack bearing case on the base anchor of platform being loaded into this position, collaborative mutually with the bearings power of drive chassis, serve as the free cantilever support device that supports by cantilever position with this roll mandrel operation side end;

Operation side frame on the above-mentioned base anchor is extracted from roll mandrel, and made it to leave certain distance, perhaps the operation side frame is installed in the operation side frame handler on the roll mandrel from this position of leaving;

Can on the roll axis vertical direction, move back and forth, move between roll mandrel and operation side frame in the mode that allows above-mentioned operation side frame handler that the operation side frame is extracted and left from roll mandrel, allow by connector with roll be positioned at the insert integral roll that the liner about it links into an integrated entity and clamp, make the insert integral roll take off or be installed in roll automatic handling device on the roll mandrel from roll mandrel from the liner part of its operation side.

In the standby more changing device of this roll, the old roll that should change is transported to the standby more carry over of roll together with roll mandrel and base anchor and carries out the standby replacing of roll.When base anchor is determined the position and is installed in the position and determines on the platform, the driving side end of roll mandrel is supported by the cantilever support device with cantilever position, by operation side frame handler the operation side frame is taken off from base anchor, make it to draw back certain distance.Then, can move facing to the position of the operation side end that is supporting roll with cantilevered fashion along the roll automatic handling device that the roll axis vertical direction moves, to pull down from roll mandrel by roll and its left and right sides pad set all-in-one-piece insert integral roll, then the insert integral roll that takes off is transported to roll keeping place, the new insert integral roll that to bring again moves towards the operation side end position of roll mandrel, and the insert integral roll that this is new is installed on the roll mandrel.After the roll automatic handling device of finishing above-mentioned operation withdrawed from, operation side frame handler was placed on the operation side frame on the base anchor, and the bearing housing on the operation side frame is nested on the roll mandrel enterprise operation side end.The roll that more than is a relevant roll stand is changed process.When on the base anchor a plurality of roll stand being installed, just carry out aforesaid operations repeatedly.

Therefore, adopt the standby more changing device of this roll can improve the efficient of the standby replacing of roll, its reason is that roll, roll stand are transported to the standby more carry over of roll together with one of base anchor when carrying out the standby replacing of roll.

And, adopt the standby more changing device of this roll, owing to be to take off or be installed in roll mandrel on from roll mandrel the insert integral roll of forming by the liner of roll and both sides thereof, therefore the loading and unloading of roll are very convenient, also owing to carry out the roll loading and unloading with the roll automatic handling device, so its efficiency of loading and unloading is very high.In addition, thus owing to adopt the insert integral roll to obtain simplifying for the structure of the roll automatic handling device that carries out the roll loading and unloading automatically.

And, according to the standby more changing device of this roll, just the operation side frame can be taken off from base anchor reliably with operation side frame handler, the beaming roller automatic handling device is to face the roll mandrel operation side end that is supporting with cantilevered fashion moving and carry out roll loading and unloading, thereby the coordination compactness of each several part, the activity duration of roll loading and unloading is also very short.

Also have, according to the standby more changing device of this roll, it is not to use interim frame, but being transported to the standby more carry over of roll together with one of base anchor, roll stand itself carries out the standby replacing of roll, therefore just can finish roll at the standby more carry over of roll depresses adjustment, adjusts the time thereby significantly shorten the logical plate initial stage.

In the most preferred embodiment of this contrive equipment, the feature of above-mentioned cantilever support device is:

Determine that to be arranged on the position fulcrum on the platform is the center, movable frame is set rotationally towards the driving side end that is toward or away from roll mandrel;

Be arranged on the hydraulic cylinder that the position determines that the above-mentioned movable frame of driving on the platform is rotated;

Can be installed in the moving member on the movable frame up or down;

Being installed in can be from the roll mandrel top to the compressing member that presses down on this moving member;

Drive the hydraulic cylinder that above-mentioned moving member lifting is used for feeling relieved.

According to this embodiment, the structure of cantilever support device can prevent that the required great power of the cantilever support of roll mandrel from causing producing excessive distortion on each parts.

Insert integral roll of the present invention for achieving the above object is the insert integral roll that is used for the roll forming machine when adopting the standby more changing device of above-mentioned roll, and this being contained on the roll mandrel is the overall perspective view of the standby more changing device 10 of the above-mentioned roll of insert integral of one by the connector group by roll and left and right sides liner thereof.In these figure, symbol 11 is base anchors removably on the forming machine support (roll forming machine support), in the present embodiment, it is that two breaker roll frames, i.e. two driving side frames 12 and two operation side frames 13 have been installed on a base anchor 11, in two pairs of frames each is carried out roll change.This two breaker rolls frame and base anchor 11 lumped together be called two breaker roll assemblies.Each driving side frame 12 and operation side frame 13 are to be screwed into screw 11c and to be fixed on the base anchor 11 with bolt 14.Driving side frame 12 is with key 11d positioning and fixing on base anchor 11.Operation side frame 13 is to slide along roll mandrel axis direction (Fig. 1,2 etc. left and right directions) when taking off bolt 14.Upside bearing

housing

16,17 on driving side frame 12 and the operation side frame 13 and downside bearing housing the 18, the 19th are installed with up and down slidably along it, the roll mandrel 21 of upside is entrenched in the left and right sides upside bearing

housing

16,17 and by them by end about it and supports, and the roll mandrel 22 of downside is entrenched in the left and right sides downside bearing

housing

18,19 and by them by end about it and supports.And illustrated state is the state that the operation side frame is taken off from base anchor 11.

Above-mentionedly be installed in roll 25 on the top and

bottom rolls axle

21,22 as amplifying expression in detail among Fig. 4,5, itself and left and

right sides liner

26,27 linked into an integrated entity with connecting bolt 28.Promptly, the liner 26 and the roll 25 of driving side pierce into

hole

26a, 25a, 27a with connecting bolt 28 respectively, at its front end by screw threads for fastening, four bolt-through hole 26a, 25a are for example arranged, and it is corresponding therewith, operation side liner 27 is provided with bolt hole 27a, thereby roll 25 and left and

right sides liner

26,27 are connected as one.And,, as shown in Figure 3, for example be provided with along 180 ° of grooves of clamping of the chuck 65 of two corresponding following roll automatic handling devices of usefulness up and down in the periphery of operation side liner 27.This chuck also can form along its full week with groove.This roll 25 and its left and

right sides liner

26,27 have constituted insert integral roll 29.Left and

right sides liner

26,27 also can link together with bolt and roll 25 separately.Symbol 25b is a keyway.In addition, the feature at the figure roll is to offer on the periphery of operation side liner at least promptly to use groove in the liner of the above-mentioned left and right sides.

According to this insert integral roll, it can carry out the action of roll automatic handling device in the standby more changing device of roll of the present invention very sleekly.

Fig. 1 is the plane of an embodiment of the standby more changing device of roll of the present invention;

Fig. 2 is the cutaway view of A-A line among Fig. 1;

Fig. 3 is the part cutaway view Amplified image around the roll automatic handling device clamping element among Fig. 2;

Fig. 4 is the side view of the insert integral roll of Fig. 3 etc.;

Fig. 5 is the cutaway view of B-B line among Fig. 4;

Fig. 6 is the overall perspective view of the standby more changing device of the roll of Fig. 1;

Fig. 7 is the front view of another embodiment of cantilever support device in the standby more changing device of roll;

Fig. 8 is the cutaway view of C-C line among Fig. 7;

Fig. 9 is the front view of another embodiment major part of operation side frame handler in the standby more changing device of roll;

Figure 10 is the front view of major part around the roll mandrel leading section of another embodiment of the centering mode of roll automatic handling device axle in the expression roll standby more changing device and the axle centring pin;

Figure 11 is the roll mandrel of Figure 10 schematic diagram during by the fastening roll of roll nut;

Below in conjunction with Fig. 1～11 explanation embodiments of the invention.

Fig. 1 is the plane of the standby more changing device 10 of one embodiment of the present of invention roll, Fig. 2 is the cutaway view of A-A line among Fig. 1, Fig. 3 is the part cutaway view Amplified image around the roll automatic handling device roll clamping element among Fig. 2, Fig. 4 is the side view of the insert integral roll of Fig. 3 etc., Fig. 5 is the cutaway view of B-B line among Fig. 4, Fig. 6 is that symbol 30 is housing caps in 6, the 31st, depress adjusting lever.Depress adjusting lever 31 and housing cap 30 by being threaded, with its underpart upside bearing

housing

16,17 that plays.When this depresses adjusting lever 31 when rotation upside bearing

housing

16,17 is moved up and down, thereby can adjust the gap (roll is depressed adjustment) between the top and bottom rolls.

The standby more changing device 10 of this roll as described above, per two breaker roll assemblies, promptly two driving side frames 12 and two operation side roll stand frames 13 are taken off from the forming machine support together with 11 1 of base anchors that is installed together with it, carry out the standby replacing of roll again, this device 10 comprises that support 35, position determine that platform 36, cantilever support device 40, operation side frame handler 51, roll automatic handling device 65 and roll keeping locate 83.

Above-mentioned support 35 is spatial accommodations of standby more changing device 10 integral body of roll, is fixing the position and determine platform 36 on this support 35, determines on the assigned position of platform 36 and base anchor 11 is installed in the position.The position of base anchor 11 is determined to be embedded in by the locating hole 11a that will open on the base anchor 11 and is arranged on that the position determines to realize in the alignment pin 37 on platform 36 1 sides.

Above-mentioned cantilever support device 40 is (right-hand end among Fig. 1,2) that are used for supporting top and

bottom rolls axle

21,22 when the operation side end of top and

bottom rolls axle

21,22 is the free arm state, and, top and

bottom rolls

21,22 embeds respectively in the metal (

upper case

16,18 of driving side frame 12, these two bearing housings are installed on the driving side frame 12, driving side frame 12 is installed on the

base anchor

11, and 11 of base anchors are installed in above-mentioned position and determine precalculated position on the platform 36.Simultaneously, this

roll mandrel

21,22 also with the driving side frame on bearing

housing

16,18 common cantilever support.This cantilever support device 40 comprises the fixed frame 41 that is fixed on the support 35, by the movable framework 44 of store oil cylinder pressure 42 on the movable framework that is arranged on this fixed frame 41 and guide rod 43 supports.Movable framework 44 is provided with reverse U shape otch spare (omitting among the figure), and this reverse U shape otch spare inlay card internally and presses down from the top of

roll

21,22 on the next door, driving side end of roll mandrel 21,22 (Fig. 1,2 etc. right-hand end).Reverse U shape otch spare on the movable framework 44, i.e. gripper shoe 45a, 45b and can be housed in the movable framework.Centering is installed in movable framework 44 tops with oil hydraulic cylinder 46, drives sliding part 45 up and down by it, thereby the driving side end of

roll mandrel

21,22 is moved up and down, from realizing the centering of

roll mandrel

21,22.

Above-mentioned operation side frame handler 51 is to determine that across the position of support 35 platform 36 and above-mentioned bracing or strutting arrangement 40 are oppositely arranged.This operation side frame handler comprises the guide cylinder 53 that is fixed on the support 53, the support 52 of this guide cylinder 53 is arranged on the support 35, chimeric slidably in guide cylinder 53 have a sliding cylinder 54, front end at this sliding cylinder 54 is provided with frame attaching parts 55, on these frame attaching parts 55, be fixed with frame lock pin 56, be arranged on the frame shift oil cylinder 57 that drives above-mentioned sliding cylinder 54 telescopic movings on the support 52 in addition.Above-mentioned frame lock pin 56 is inserted among the connecting hole 13a that offers on the operation side frame 13, throw pin 58 among the pin-and-hole 56a on lock pin 56 again, so just operation side frame 13 has been connected on the sliding cylinder 54.Also determine to be provided with the roller of using along roll mandrel axis direction moving frame 59 between platform 36 and the operation side frame handler 51 in the position.Operation side frame 13 moves on this frame slide roller 59 when advancing, retreating driving with operation side frame handler 51.And, on moving sleekly, operation side frame 13 is arranged on the inclined-plane 11b at base anchor 11 edges.

Above-mentioned roll automatic handling device 65 is automatically above-mentioned insert integral roll 29 to be taken off or is installed on the

roll mandrel

21,22 from roll mandrel 21,22.This roll mandrel automatic handling device 65 is to determine between platform 36 and the operation side frame handler 51 to move on the moving guide rail 66 that extends with the direction (above-below direction among Fig. 1) of roll mandrel axis normal in the position, on the base 68 of automatics, automatics body member 71 is installed, below the base 68 of automatics, is fixing and the moving guide rail 66 removable guides that cooperate 67.And the automatics body member 71 on the above-mentioned automatic handling device base 68 is that the guide 70 by both sides slides on the track 69 that is arranged at the 68 upper edge roll axis directions extensions of automatics base.Automatics body member 71 includes the last lower shaft alignment pin 72 facing to top and

bottom rolls axle

21,22 operation ends, be configured in the roll loading and unloading oils cylinder pressure 73 of each alignment pin about 72, the removable guide post 74 that be arranged in parallel with the pull bar 73a of above-mentioned roll loading and unloading oils cylinder pressure 73 about in the of 72 at each alignment pin, and the support member 75 that roll is installed respectively up and down at the front end of the pull bar 73a of above-mentioned roll loading and unloading oils cylinder pressure 73 and guide post 74.This top and bottom rolls support member 75 has respectively and utilizes L shaped guide 76 a pair of Oil-pressure clamping heads moving up and down (the hydraulic press member is not shown) 77, this Oil-pressure clamping head 77 has and the chimeric pawl 77a of gripping grove 27b that is arranged on operation side liner 27 peripheries as the enlarged drawing of Fig. 3 is represented.And, above-mentioned axle alignment pin 72 is as Fig. 3 is represented, its front end coning, it with open roll nut on the operation side end face of roll 21,23 that screwed

hole

21a, 22a(22a are installed be not shown) taper seat of entrance side is chimeric, thereby carry out the centering of

roll mandrel

21,22.

Be provided with tooth bar 78 in the middle of above-mentioned two moving guide rails 66 of support 35, its pinion 79 below being arranged on automatics base 68 is meshed.Pinion 79 utilizes the motor 80 on the automatics base 68 to be driven in rotation by abridged transmission mechanism among the figure, because it is meshed with tooth bar 78, so that automatics base 68, be that roll automatic handling device 65 moves back and forth along moving guide rail 66.Symbol 81 among Fig. 6 is that block is determined in the position of roll automatic handling device 65, has pin-and-hole 81a on it, thus it be arranged on automatics base 68 1 side bottom surfaces on can be vertical flexible lock pin 82 cooperate and lock roll automatic handling device 65.

The keeping of above-mentioned roll is located 83 and is temporarily preserved roll and use, both preserve new roll (roll after the renewal, the i.e. roll of new assembling), also preserved the old roll (roll before upgrading, used roll in promptly processing), it is set near the position and determines that platform 36 also faces toward the place of moving guide rail 66.The roll keeping is located 83 and is had the connector 83a rotatable bracket support platform 84 that stands upside down on support 35 that utilizes the bottom, roll keeping carriage 85 releasably is installed on this bracket support platform 84, and vertical fixing four roll keeping axles 86 that are used to hang insert integral roll 29 on this carriage 85.The pull bar 88a that is connecting the oil hydraulic cylinder 88 that is arranged on the brace table that is used among the support 35 peristome 35a to stand upside down at the back side of above-mentioned bracket support platform 84, bracket support platform 84 as shown in Figure 6, when the pull bar 88a of its handstand oil hydraulic cylinder 88 stretches out, it is erected, when pull bar 88a shrinks, its just flat crouching on support.Bracket support platform 84 is configured to two covers, and a cover is used to preserve new roll, and one is used to preserve old roll.

The roll that the following describes the standby more changing device 10 of above-mentioned roll is changed operation fully.

In the roll forming machine that the forming operation of goods has finished, remove being connected of the universal joint that omits among

roll mandrel

21,22 driving side ends and the figure, and remove being connected of the forming machine support that omits among base anchor 11 and the figure, with crane two breaker roll assemblies will be installed then, the base anchor 11 that two driving side frames 12 and two operation side frames 13 promptly are installed is transported to standby more carry over, and the position that again base anchor 11 is fixed on support 35 is determined on the platform 36.The determining of its position utilizes the position determining hole 11a of base anchor 11 1 sides and position alignment pin 37 tablings that platform 36 1 sides are determined in the position to realize.Then, operator's roll nut 32 that will be screwed in the roll screwed hole of

roll mandrel

21,22 operation side end faces screws down (see figure 5).

Then, fasten the end of top and

bottom rolls axle

21,22 driving sides with cantilever support device 40.Promptly, the action that the store oil cylinder pressure 42 of movable framework produces makes movable framework 44 advance (moving to right-hand among Fig. 2), the action that centering produces with oil hydraulic cylinder 46 descends slide unit 45, is from up to down pressing the driving side end of top and

bottom rolls axle

21,22 with the upper and lower support plate 45a, the 45b that have reverse U shape breach (not shown).At this moment, centering oil hydraulic cylinder 46 carries out suitable adjustment with the height of upper and lower support plate 45a, 45b.Thereby realize the centering of breaker roll axle 21,22.In this state, top and

bottom rolls axle

21,22 is owing to be under the power that makes progress and the downward power acting in conjunction at upper and lower support plate 45a, 45b of driving side metal (

upper case

16,18, thus its operation side end to be free end supported with cantilevered fashion.

Then, the sliding cylinder 54 of operation side frame handler 51 moves forward (moving to left among Fig. 1,2) under the driving of frame slip oil hydraulic cylinder 57, the frame lock pin 56 of front end inserts among the connecting hole 13a of operation side frame 13, at this moment the operator will sell among the 58 embedding pin-and-hole 56a again, thereby operation side frame 13 and sliding cylinder 54 are linked together.Then, frame slip oil hydraulic cylinder 57 produces action draws back (moving to right-hand among Fig. 1,2) sliding cylinder 54, and operation side frame 13 is taken off from base anchor 11, is transplanted on the position of leaving fully shown in Fig. 1,2,6 etc.

Then, the roll automatic handling device of keeping out of the way 65 moves by arrow a direction (see figure 6) on moving guide rail 66, is parked in the position shown in Fig. 1,6.Roll automatic handling device 65 makes automatics body member 71 advance (moving to left among Fig. 1,2) in this position, make lower shaft centring pin 72 embed roll screw cap hole 21a(22a on the operation side end face of top and bottom rolls axles 21,22) in realize centering, make 73 work of roll loading and unloading oils cylinder pressure then, thereby top and bottom rolls support member 75 is advanced, at this moment, Oil-pressure clamping head 77 embeds among the ditch of the clamping up and down 27b of operation side liner 27, from clamping liner 27 up and down.In this state, supporting the weight of insert integral roll 29 by roll support part 75.Then, shrink the pull bar 73a of roll loading and unloading oils cylinder pressure 73, and automatics body member 71 is retreated along guide rail 69 self, so just make insert integral roll 29 from top and

bottom rolls axle

21,22, pull up respectively.

Then, the roll automatic handling device 65 that insert integral roll 29 up and down in clamping moves along the direction of arrow b among Fig. 6, and in facing to empty roll keeping carriage 85(Fig. 6 the outside) the position stop.Then, roll automatic handling device 65 makes the roll loading and unloading pull bar 73a elongation with oil hydraulic cylinder 73, and the insert integral roll 29 of clamping is hung on the roll keeping axle 86 of roll keeping carriage 85.Then, by arrow a direction move stop among the roll keeping carriage 85(Fig. 6 that hangs new roll inboard) the front, clamp the new roll on this roll keeping carriage 85, and it pulled up.This new roll also is the insert integral roll that roll and its left and right sides liner is fused by connecting bolt, with oil pressure pawl 77 liner 27 parts is clamped, and pulls up next from roll keeping axle 86.Then, roll automatic handling device 65 moves by arrow a direction, moves on to the anterior locations of base anchor 11, and the pull bar 73a of elongation roll loading and unloading oils cylinder pressure 73 is inlaid in the insert integral roll 29 of clamping respectively on the top and

bottom rolls axle

21,22.

After the taking off and set up of the roll that finishes on above-mentioned two roll stands, roll automatic handling device 65 moves along arrow b direction and withdraws from.Then, the frame slip oil hydraulic cylinder 57 of operation side frame handler 51 produces action advances sliding cylinder 54, and then make the operation side frame 13 that is connected on this sliding cylinder 54 pass through the frame shifting roller 59 sliding base anchor 11 determined positions of going up (in the frame among Fig. 1 shown in the chain-dotted line, by symbol 13 ' expression), like this, top and

bottom rolls axle

21,22 have just inserted the metal (upper case 17 of operation side frame 13, in 19 the dead eye, then the operator pulls up pin 58, sliding cylinder 54 retreats the connection of removing between sliding cylinder 54 and the operation side frame 13, then, the operator is fixed by bolts to operation side frame 13 on the base anchor 11.Again as Fig. 5, from the outside of operation side frame 13 is screwed in roll nut screwed

hole

21a, 22a on

roll mandrel

21,22 end faces, and tighten fixing roll nut 32.Then, make the centering oil hydraulic cylinder 46 of cantilever support device 40 shrink drive gripper shoe 45a, 45b come-up, thereby remove the fastening of breaker roll axle 21,22.Like this,

roll mandrel

21,22 is just being supported by left and right

sides bearing housing

17,18 and 18,19.Then, movable framework store oil cylinder pressure 42 is shunk, drive movable framework 44 and retreat.Just finished the standby replacing of roll of a corresponding roll stand by aforesaid operations.

Carrying out on two roll stands of base anchor 11 after above-mentioned roll changes, by adjusting roll screw rod 31(rotation) position of improving upside bearing

housing

16,17, so just adjusted the gap (roll is depressed adjustment) between the top and bottom rolls.Therefore, when being installed in this two breaker rolls assembly on the forming machine support, carrying out roll and depress adjustment, and when being shaped the processing beginning, and need carry out roll and depress time when adjusting, promptly the logical plate initial stage is adjusted the time and has been shortened significantly.

After the standby replacing of the roll of above-mentioned two breaker roll assemblies is finished, at first will accept the roll keeping carriage 85 usefulness cranes of old roll and transport the warehouse, and then take back the roll keeping carriage that has hung up new roll with crane and be used for next roll assembly.Therefore, when the roll that carries out next two breaker roll assemblies is changed, the roll keeping carriage of hanging the roll keeping carriage of new roll and hanging old roll just with the exchange of last time the position.And, when transporting roll keeping carriage 85, allow carriage erect oil hydraulic cylinder 88 work and make bracket support platform 84 flat crouching on support 35, at this state roll keeping carriage 85 is taken off and transports from bracket support platform 84.

Secondly, another embodiment of cantilever support device is shown in Fig. 7,8, this cantilever support device 40A determines that to be arranged on the position fulcrum 91 on the platform 36 is pivot and is toward or away from facing to the driving side end of

roll mandrel

21,22, promptly by arrow among Fig. 7 (Ren) direction movable framework 92 is set rotationally.These movable framework 92 utilizations are arranged on the position and determine that the oil hydraulic cylinder 93 on the platform 31 drives before and after above-mentioned arrow (Ren) directions.On movable framework 92, tabular sliding part 94 moving up and down is installed, withholds the buckling piece 95 of

roll mandrel

21,22 driving side ends two outstanding settings in position up and down of this sliding part 94.This buckling piece 95 is directly to withhold on

roll mandrel

21,22 driving side ends with the gripper shoe 95a that is provided with half garden v notch v.And, the centering oil hydraulic cylinder 96 of lifting actuator 94 is set at movable framework 92 back sides.

The above-mentioned cantilever of the explanation action of propping up arm assembly 40A now, it shrinks oil hydraulic cylinder 93 shown in solid line among Fig. 7 when not using, and makes the inclination of supporting or opposing of movable framework 92 oblique, is in the state of stepping back, and shrinks centering oil hydraulic cylinder 96, and sliding part 94 is risen.Cantilever

support roll mandrel

21,22 o'clock, elongation oil hydraulic cylinder 93, making movable framework 92 is that the center of circle rotates to the upright position with fulcrum 91, then, elongation centering oil hydraulic cylinder 96, make the buckling piece up and down 95 with sliding part 94 one descend the driving side end of from up to down withholding

roll mandrel

21,22 with the gripper shoe 95a of buckling piece 95.And the position of buckling piece 95 on sliding part 94 is adjustable up and down up and down, can adapt to the variation of top and bottom rolls axle base.In the cantilever support device of cantilever support roll mandrel, bearing power greatly, when adopting the structure of this cantilever support device 40A, owing to be to withhold on the drive end of

roll mandrel

21,22, make each parts produce undue distortion so can stop very big power at an easy rate in the mode that does not produce big moment of flexure.

Fig. 9 has represented that operation side frame handler mid frame clamps another embodiment of means.The frame union piece 55A that this operation side frame handler 51A installs at the sliding cylinder 54A front end that back and forth drives with frame push-and-pull oil hydraulic cylinder 57A flatly is fixed with cylindrical shell 100 in two positions up and down, at this securing member 101 is installed above the cylindrical shell 100.This securing member 101 is to be that the center of circle is installed in rotation on leading sections above the cylindrical shell 100 with an end of action bars 102 with fulcrum 103, can 180 ° rotationally connecting cylinder lever connecting rod 104 near the position of above-mentioned fulcrums 103 by pin 107 at this action bars 102, these cylinder lever connecting rod 104 front ends are being twisted the nut bolt 104a that can adjust usefulness by screw thread.And an above-mentioned end of action bars 102 is (the front and back both sides vertical with paper) that connected by two that separate opposed fulcrums 103, so cylinder lever connecting rod 104 is to be connected in the opening of action bars 102 front ends.And connecting axle 105 in corresponding above-mentioned cylindrical shell 100 horizontal fixed of a side of operation side frame 13, this axle is by major diameter part 105a and small diameter portion 105b is stepped forms, be fixed with shackle member 106, the U-shaped opening of this shackle member 106 and the cylinder lever connecting rod of the above-mentioned securing member 101 104 nut bolt 104a part tablings of band U-shaped opening at the major diameter part 105a of this connecting axle 105.And cylindrical shell 100 and connecting axle 105 all be by up and down and about (with two places of paper vertical direction) add up to four positions and be provided with.

When clamping operation side frame 13 by above-mentioned operation side frame handler 51A, be to make frame push-and-pull oil hydraulic cylinder 57A produce action with the action bars 102 of securing member 101 and all flat mode that crouches on the right side of cylinder lever connecting rod 104 to drive frame union piece 55A and advance (being moved to the left among Fig. 9), thereby the small diameter portion 105b of operation side frame 13 1 side connecting axles 105 is inserted in the cylindrical shell 100.Then, mention upside action bars 102, the nut bolt 104a with cylinder lever connecting rod 104 shown in chain-dotted line partly is entrenched in the U-shaped opening of shackle member 106, then, action bars 102 is turned back to level, so just cylindrical shell 100 and connecting axle 105 usefulness securing members 101 have been connected together tightly.In this state, make frame union piece 55A retreat (moving right among Fig. 9),, so just be with operation side frame 13 to move simultaneously because the head of nut bolt 104a engages with shackle member 106.When frame union piece 55A advanced, cylindrical shell 100 pushed facing to the end face of connecting axle 105 major diameter part 105a, thereby operation side frame 13 is advanced.

As shown in figure 10, when on the front end face of

roll mandrel

21,22, being provided for the bolt 110 of roll nut is installed with being integral, be formed with conic shaped 72Aa in the axle centring pin 72A of roll automatic handling device 65 side, it cooperates with bolt 110 front ends of above-mentioned loading and unloading roll.And the external diameter of roll nut 111 is littler than the diameter of

roll mandrel

21,22, also roll 25 can not pulled up from

roll mandrel

21,22 so that do not pull down roll nut 111.At this moment, roll 25 as shown in figure 11 fastening is to utilize shape of a hoof liner 112(to see from the right side of Figure 11 to be the shape of a hoof) tighten roll nut 111 again and carry out fastening.

In addition, being installed in roll stand quantity on the base anchor 11 and being not limited to two couple among the embodiment, also can be a pair of or three pairs.83 structures that also are not limited among the embodiment are located in the roll keeping, and it can also adopt variety of way.

Claims

1, a kind of being applicable to is provided with removably base anchor on the forming machine support, and the standby more changing device of forming machine roll of roll stand is installed on this base anchor, it is characterized in that it has:

Be used for determining the position, the position of the above-mentioned base anchor that removes together with roll stand from the roll forming machine support be installed determine platform;

Nested this position that is installed in is determined that the roll mandrel of driving side rack bearing on the base anchor of platform is collaborative mutually with the support force of driving side rack bearing case, is the cantilever support device that free end supports by cantilevered fashion with its operation side end;

Operation side frame on the above-mentioned base anchor is pulled up from roll mandrel, and make it remove certain distance or the operation side frame is installed in operation side frame handler on the roll mandrel from this distance of removing;

Can move back and forth along direction with the roll mandrel axis normal, allow above-mentioned operation side frame handler so that the state that the operation side frame is pulled up and left from roll mandrel between roll mandrel and operation side frame, move, clamp the operation side liner part of the insert integral roll that is combined into one by connecting rod by roll and its left and right sides liner, it is pulled up or be installed in roll automatic handling device on the roll mandrel from roll mandrel.

2, the standby more changing device of roll according to claim 1 is characterized in that described cantilever support device has:

Determine that to be arranged on the position fulcrum on the platform is the center of circle, the movable framework that on the direction that is toward or away from roll mandrel driving side end, is provided with rotationally;

Be arranged on the position and determine to drive on the platform fluid pressure cylinder of above-mentioned movable framework;

Be installed in the moving member on the movable framework up and down movably;

Be installed in the buckling piece of withholding from the top down on this moving member in roll mandrel driving side end;

The centering fluid pressure cylinder of the above-mentioned moving member of lifting.

3, the roll forming machine insert integral roll that is used for the standby more changing device of roll of claim 1, the roll and the liner about it that it is characterized in that being installed on the roll mandrel link together with connector, in the liner of the above-mentioned left and right sides, the periphery of operation side liner is provided with to clamp and uses groove at least.