CN102601161B - Single-arm passive unreeling machine - Google Patents
Single-arm passive unreeling machine Download PDFInfo
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- CN102601161B CN102601161B CN201110200243.6A CN201110200243A CN102601161B CN 102601161 B CN102601161 B CN 102601161B CN 201110200243 A CN201110200243 A CN 201110200243A CN 102601161 B CN102601161 B CN 102601161B
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Abstract
The invention discloses a single-arm passive unreeling machine. A telescopic mechanism of the unreeling machine comprises a sliding bearing room; the exterior of the sliding bearing room is connected with a tension tile through a tension connecting rod; a bidirectional thrust bearing, a first compression spring and a limiting component which are sleeved on a pull rod are sequentially arranged in the sliding bearing room from the inner end to the outer end; the pull rod is provided with a first shaft shoulder; the first compression spring is clamped between the limiting component and the first shaft shoulder of the pull rod; the pull rod is provided with a force applying structure for pushing the bidirectional thrust bearing outwards; the inner ring of the bidirectional thrust bearing is mounted on a first inner ring sleeve; the first inner ring sleeve is sleeved on the pull rod in a manner of axially sliding outwards along the pull rod; the first inner ring sleeve is located in the outer ring at the outer side of the bidirectional thrust bearing and provided with a second shaft shoulder for pushing the inner ring of the bidirectional thrust bearing inwards; and the first compression spring applies elasticity to the outer end surface of the first inner ring sleeve. The single-arm passive unreeling machine disclosed by the invention operates stably and reliably and is convenient to operate; and the manufacturing cost can be reduced.
Description
Technical field
The invention belongs to the uncoiling field of sheet metal strip, belong to large group of the B21C47 of IPC classification number, also can be used for the uncoiling field of the industries such as weaving, printing and dyeing, papermaking, plastics, particularly relate to the passive unreeling machine of a kind of single armed.
Background technology
At present, along with the fast development of Flux-cored Wire Industry, flux-cored wire manufacturer more and more payes attention to the non-cutting time of minimizing equipment operation, to enhance productivity.Wherein reducing required time and the replacement frequency of each replacing steel coil strip is one of them important means.Use exoskeletal accurate after-combustion steel coil strip to unreel so emerged in recent years, this steel coil strip can directly utilize steel band itself to form steel coil strip, and after steel band all discharges, on unreeling machine, what is not remaining, can directly put new steel coil strip again.Also can adopt the inner tube of a tyre of paper web as steel coil strip, steel band is back and forth wrapped on paper web, forms steel coil strip, and after steel band all discharges, from unreeling machine collection last time cylinder, paper web can also be used for being again wound around new steel band.Make to carry out in this way unwinding and rewinding and not only reduced workman and push to, push time and the labour intensity of I-beam wheel, and while having solved I-beam wheel as the carrier of steel coil strip, the turnover problem of I-beam wheel and the consumption problem of I-beam wheel.
Have plenty of existing single head is put to the repeated combination with machine but existing single armed is put with machine, for example CN201105294Y " two reel uncoiler " discloses the two reel uncoilers in a kind of cold-strip steel uncoiling field, it contains two cover running parts, two cover reel parts, a set of telescopic section, divide into rotating part, left, mandrel in the main shaft of right reel is connected respectively with the cylinder bar of telescopic oil cylinder by a pair of thrust bearing, left, the running part of right reel and telescopic oil cylinder are fixed on revolving body simultaneously, telescopic oil cylinder is with left, the dead in line of the mandrel of right reel, be fixed on the top of revolving body, the casing of two cover reels is separately fixed at the both sides of revolving body.Its two cover reels, discontinuous operation, in the time that a reel is normally worked, another reel upper volume simultaneously, has omitted service working time, thereby has improved production efficiency, has not only reduced the floor space of production line, and has saved equipment investment.
The design of this uncoiler is straight and narrow, and the device such as brake gear, transmission device is available in all varieties, but wherein the main shaft of reel is fixed on casing by bearing.This equipment is by (though the not directly explanation in literary composition of two self-aligning roller bearings, but the technical staff in this area can be from Figure of description unquestionable definite bearing type) be arranged on two risers of casing, and main shaft and reel (bearing the part of steel coil strip weight) lean out casing, formed cantilever beam structure, the cantilever beam structure of this and single-arm uncoiling machine is actually duplicate.Designer overlaps common single-arm uncoiling machine back-to-back.Cause so in other words conj.or perhaps apart from the bearing part nearer shaft strength nearer apart from reel very large.For addressing this problem, or use the strongly-typed bearing of bearing capacity instead, or use larger sized bearing instead, the two all can increase the manufacturing cost of equipment; Just to sacrifice bearing life as cost.
And adopting this structure will cause the length of rotatable body of single armed unreeling machine larger, this rotatable body has comprised two cover running parts, two cover reel parts, a set of telescopic section.On the one hand, greatly increased the weight of the weight of rotatable body, just can find out from two huge gussets (the limit switch of each side is arranged on gusset), if not so large casing, so heavy casing, supports without so large gusset so.Thereby make to utilize manpower to turn round and become impossible, thus just must cause it to need motor to drive above-mentioned these rotatable bodies to turn round, and then another step has caused the complexity of equipment.On the other hand, it is that main bearing part and the distance of the centre of gyration have increased greatly that this structure makes reel, heavier part is shifted out to the scope that base contacts with ground outward, if only have the steel coil strip of a side on unreeling machine, and the steel coil strip of opposite side has been finished, the equipment center of gravity that has comprised so steel coil strip will deflect away from the support scope of base, so will improve greatly like this risk that equipment topples.
In addition, this unreeling machine adopts wedge expanding-contracting type mechanism swelling steel coil strip: wedge expanding-contracting type mechanism comprises a three-jaw inclined wedge-shaped structure, oblique expansion block is connected with dovetail shaped drift slot with interior wedge, in mobile wedge can promote that oblique expansion block is opened or oppositely mobile in wedge oblique expansion block is retracted, and can realize self-locking by wedge angle, the interior swelling mode of this structure is generally applied on the uncoiler of large-scale heavy duty.This uncoiler is all to adopt cantilever structure, in order to guarantee to bear heavier coil of strip, that will do for the main shaft of load-bearing is thick, in addition, process oblique expansion block and interior wedge bothers very much, and slide to realize the harmomegathus of three-jaw by inclined-plane, wearing and tearing are large, need to carry out specific surface treatment to rubbing surface, cause the uncoiler of this large-scale heavy duty expensive, bulky, as can be seen here, for the lighter situation of coil of strip, adopt the uncoiler of this swelling mode extremely uneconomical, be unfavorable for promoteing the wider application.This interior swelling mode also needs often to add lubricating oil to be safeguarded, otherwise very easily wears away the inclined working of oblique expansion block and interior wedge, causes shorten service life.
And, in existing rolling/unreeling machine, if there is employing cylinder/hydraulic cylinder to realize the swelling function of swelling watt, all do not there is auto-lock function.That is, when the gas circuit/fluid pressure line being connected when cylinder/hydraulic cylinder or with it occurs to reveal, the air pressure or the hydraulic pressure that in cylinder body, act on piston decline, and swelling watt will lose enough tension forces.In the time that swelling watt loses enough tension forces, for the machine of vertical unreeling/rolling, still can be due to the deadweight of material volume, material volume still can be positioned in swelling watt (or being referred to as reel).But for the machine of unreel/rolling of level, the reason such as tension force or the whirling vibration of machine while being easy to due to rolling/unreel causes material volume to fly out or expects that volume scatters, once roll up and occur to fall apart, generally raw material cannot be reverted to original state again, so this just causes serious security incident or causes serious wastage of material.
If but simply cylinder/the hydraulic cylinder with auto-lock function is applied to unreel/winder field, can there is again following problem: 1, the self-locking of cylinder/hydraulic cylinder is only to keep the position of actuating strut motionless, and cannot guarantee to provide a lasting constantly active force to make swelling watt have enough tension forces to come the inner side of distensible material volume, can not retract and only meet swelling watt, it between swelling watt and material volume inner side, is only the simple passive non-active tension force of support force, be actually like this rise not tight, for example the disclosed spool material retractable feeder of patent application 201010138295.0 does not just adopt self-locking cylinder to hold out against I-beam wheel, if the internal diameter of 2 material volumes is not completely unified, internal diameter is less than normal slightly, will cause the piston of self-locking cylinder/hydraulic cylinder full action to put in place, self-locking device cannot start, internal diameter is bigger than normal slightly, and after will causing the piston full action of self-locking cylinder/hydraulic cylinder to put in place, self-locking device starts, swelling watt also cannot be rolled up inner side by distensible material, also still should have more than is needed self-locking cylinder/hydraulic cylinder.
So self-locking cylinder/hydraulic cylinder is applied to unreel/winder field, avoid gas leakage or the impact of leakage on machine safety in operation and reliability, be that those skilled in the art thirsts for solving and the problem of failing to succeed always.
Summary of the invention
The present invention provides a kind of single armed passive unreeling machine for solving the technical problem existing in known technology, and this unreeling machine can remain the tension force to steel coil strip inner side.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is: the passive unreeling machine of a kind of single armed, comprise base and be arranged on the casing on described base, described casing one side is provided with a bearing sleeve, in described bearing sleeve, be coated with pull bar, described bearing sleeve external support has turnbarrel, described turnbarrel outer is arranged with some swellings watt, between described swelling watt and described turnbarrel, is provided with support link; The inner of described pull bar is connected with driving mechanism by connecting plate, and the outer end of described pull bar is connected with support and contracting mechanism,
Described driving mechanism is locking hydraulic cylinder or locking cylinder;
Described support and contracting mechanism comprises sliding bearing chamber;
The outside of described sliding bearing chamber is connected with described swelling watt by swelling connecting rod;
The indoor two-direction thrust bearing, the first Compress Spring and the limiting component that are sleeved on described pull bar of being provided with successively from the inner to outer end of described sliding bearing, described pull bar is provided with first shaft shoulder, described the first Compress Spring is installed between first shaft shoulder of described limiting component and described pull bar, and described pull bar is provided with the force application structure for outwards promoting described two-direction thrust bearing;
The inner ring of described two-direction thrust bearing is arranged on the first inner ring sleeve,
Described the first inner ring sleeve is can the mode along pull rod shaft to outside slip being sleeved on described pull bar, described the first inner ring sleeve is in the outer outer ring of described two-direction thrust bearing and be provided with second shaft shoulder for inwardly holding out against two-direction thrust bearing inner ring, and described the first Compress Spring acts on elastic force on the outer face of described the first inner ring sleeve directly or indirectly.
Advantage and good effect that the present invention has are: in support and contracting mechanism, adopt Compress Spring power transmission, the tension force that mechanism provides is greater than the required support force of material volume, make mechanism can remain the tension force to steel coil strip inner side, make the operation of machine more stable, reliable, more convenient to operate.And in support and contracting mechanism, adopt Compress Spring power transmission, can make up the rigging error of machine, reduce the manufacturing cost of machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the embodiment of the present invention 1 is installed the left view after outer baffle;
Fig. 4 is the structural representation of the embodiment of the present invention 1 outer baffle;
Fig. 5 is that the side of Fig. 4 is cutd open structural representation;
Fig. 6 is embodiment 1 pull bar structural representation while being drawn to diverse location;
Fig. 7 is the partial structurtes schematic diagram after the present invention improves embodiment 1;
Fig. 8 is the front view of jointing in the embodiment of the present invention 1;
Fig. 9 is the side view of Fig. 8;
Figure 10 is the schematic diagram of the embodiment of the present invention 2 the first structures;
Figure 11 is the partial schematic diagram of the embodiment of the present invention 2 the second structures;
Figure 12 is the partial schematic diagram of the embodiment of the present invention 2 the third structures;
Figure 13 is the partial structurtes schematic diagram of the embodiment of the present invention 3;
Figure 14 is the outer baffle structural representation of the embodiment of the present invention 4;
Figure 15 is the sectional view of Figure 14;
Figure 16 is the partial structurtes schematic diagram of the embodiment of the present invention 5.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Embodiment 1:
Refer to Fig. 1～Fig. 2, the passive band machine of putting of a kind of single armed, the casing that comprises base 1 and be rotationally connected with base 1, casing comprises base plate 4 and affixed two of left and right riser 32 thereon, wherein a bearing sleeve 26 is established in the outside of any riser 32, in order to form single arm structure.One group of start cylinder is established in the inner side of this riser 32, and this group start cylinder drives the pull bar 17 being installed in bearing sleeve 26.In bearing sleeve 26, be provided with the sintered metal powder bearing of supporting rod 17.Above-mentioned start cylinder can be locking hydraulic cylinder or locking cylinder.
Turnbarrel 27 outer is arranged with some swellings watts 7, between every swelling watts 7 and turnbarrel 27, is equipped with two parallel isometric support link 9.In the present embodiment, swelling watts 7 is provided with inner reinforced plate, and turnbarrel 27 is provided with outer gusset, and one end of swelling watt inner reinforced plate 8 and two support link 9 is hinged, and the outer gusset 11 of the other end of two support link 9 and turnbarrel is hinged.These two parallel isometric support link make swelling watt can only carry out parallel, and any rotation or swing do not occur.
Above-mentioned support and contracting mechanism comprises that the inner is positioned at turnbarrel 27 ports and outer end is positioned at the sliding bearing chamber 13 outside this port of turnbarrel, and this sliding bearing chamber 13 is in axial sliding connection with turnbarrel 27, and internal-and external diameter cooperatively interacts, and relative rotation does not circumferentially occur.On excircle, have a shaft shoulder in the outer end of sliding bearing chamber 13, the inner of limit slippage bearing chamber 13 puts in the degree of depth of turnbarrel 27.The part that sliding bearing chamber 13 is positioned at outside port is that outer end portion is provided with outer gusset, between sliding bearing chamber 13 and every swelling watt inner reinforced plate 8, be equipped with swelling connecting rod 10, one end of swelling connecting rod 10 and swelling watt inner reinforced plate 8 is hinged, and the other end is hinged on the outdoor gusset 12 of sliding bearing.The swelling connecting rod 10 being connected with same swelling watt inner reinforced plate and support link 9 are positioned at same plane and are splayed arranges.
In sliding bearing chamber 13, from the inner, be provided with the two-direction thrust bearing 20, dish spring support ring 19, disk spring group 18 and the disc spring sleeve 15 that are sleeved on successively on pull bar 17, disk spring group 18 is contained in disc spring sleeve 15, disc spring sleeve is bowl-type, the bottom of bowl is sleeved on pull bar, and disc spring sleeve 15 is positioned at the outside of two-direction thrust bearing 20 and opening towards two-direction thrust bearing 20; The outer end of pull bar 17 passes the bottom of disc spring sleeve 15 and is provided with one section of external screw thread, is connected with nut 16 on the screw thread of pull bar outer end, the bottom outside adjacency of nut 16 and disc spring sleeve 15.
The inner ring of two-direction thrust bearing 20 is arranged between the first inner ring sleeve 21 and the second inner ring sleeve 22.The first inner ring sleeve 21 be sleeved on pull bar 17 in the mode that can axially outwards slide along pull bar 17, and between pull bar 17, be larger matched in clearance, causes unnecessary wearing and tearing to avoid the first inner ring sleeve 21 and pull bar 17 to come in contact.The second inner ring sleeve 22 suits are fixed on the first inner ring sleeve 21.The Outboard Sections of the first inner ring sleeve 21 outer walls is provided with a step surface, and this step surface props up the outside of two-direction thrust bearing 20 inner rings, and the lateral surface of the second inner ring sleeve 22 props up the inner side of two-direction thrust bearing 20 inner rings.The outer ring of two-direction thrust bearing 20 is arranged in sliding bearing chamber 13, and the outer end of sliding bearing chamber 13 is connected with bearing (ball) cover 14 by bolt, and this bearing (ball) cover 14 is a tubular construction, and the outer end of tubular is provided with flange, for being connected with the outer face of sliding bearing chamber; The inner of tubular props up the outer ring, outside of two-direction thrust bearing 20, for the location of this outer ring.
On pull bar 17, be also provided with a circlip for shaft 23, circlip 23 is positioned at the inner side of the first inner ring sleeve 21 and the second inner ring sleeve 22, for promoting the first inner ring sleeve 21 and the second inner ring sleeve 22.Before each material loading, pull bar is extrapolated, support reduction device is outwards moved, and then drive swelling watt to close up to facilitate upper volume by swelling connecting rod, because required thrust is little, so be provided with a circlip for shaft 23 on pull bar, the installation site of this circlip for shaft 23 is the inner side of swelling watt first inner ring sleeve 21 while strutting completely.In the time that pull bar 17 moves laterally, circlip 23 promotes two-direction thrust bearing 20 by the first inner ring sleeve 21 and the second inner ring sleeve 22, two-direction thrust bearing 20 promotes sliding bearing chamber 13 by bearing (ball) cover 14, make to move outside sliding bearing chamber 13, drive the lower end of swelling connecting rod 10 outwards to move, swelling connecting rod 10 pulls swelling watt 7 downward translations, completes closing up of swelling watt, so that the smooth installation of steel coil strip.
In the time that pull bar 17 moves to the inside, be threaded connection at the nut 16 of its end and promote disc spring sleeve 15, disc spring sleeve 15 by force transmission on disk spring group 18, the stressed contraction of disk spring group 18, active force is delivered to by dish spring support ring 19 on the first inner ring sleeve 21 being connected with two-direction thrust bearing 20, the first inner ring sleeve 21 passes to sliding bearing chamber 13 by two-direction thrust bearing 20 by power, move to the inside sliding bearing chamber 13, drive the lower end of swelling connecting rod 10 to move inward, swelling connecting rod 10 promote swelling watts 7 upwards translation open, complete the swelling process of material volume.
The length of above-mentioned disc spring sleeve 15 should guarantee in the time that butterfly spring group 18 does not stress completely, distance between the bottom inside of disc spring sleeve 15 and two-direction thrust bearing 20 is greater than the decrement of butterfly spring, in order to avoid butterfly spring group 18 contacts with two-direction thrust bearing 20 because of disc spring sleeve 15 in the time of compression, the problem that butterfly spring group 18 cannot continue compression occurs.
The supporting structure of above-mentioned turnbarrel 27 is selected single thrust bearing, in support and contracting mechanism, select the structure of two-direction thrust bearing, because in actual production process, swelling watt can not swelling be arrived angle as shown in Figure 1, can only swelling arrive the position as shown in the first half as left in Fig. 6, the size that this part represents is the theoretical internal diameter of material volume.If swelling is to the angle shown in Fig. 1, support link is vertical with the axis of pull bar 17, and swelling watt swelling is to full-size so.In the time that the internal diameter size of steel coil strip is greater than theoretical size, that swelling watt just cannot swelling steel coil strip or has been tied with the inner tube of a tyre paper web of steel band.So in fact swelling watt can not swelling arrive full-size, should keep one to be less than the angle of 90 ° with axis, like this in order to bear the weight of steel coil strip and innermost layer steel band or paper web to be maintained to enough frictional force, support link and swelling connecting rod just produce an axial force to corresponding gusset, and be delivered on sliding bearing chamber 13 and turnbarrel 27, make the two have respectively the relative trend expanding outwardly, therefore in the supporting structure of turnbarrel 27 and in support and contracting mechanism, all should adopt thrust bearing for this trend, this thrust bearing can bear the axial force that this trend produces.Again because, when thrust bearing in support and contracting mechanism also will bear pull bar and outwards moves, the second inner ring sleeve 22 imposes on its outside active force, therefore in support and contracting mechanism, the thrust axis in sliding bearing chamber 13 is promised and is adopted the two-direction thrust bearing that can bear bi-directional axial load, and the block bearing of turnbarrel 27 adopts single thrust bearing.
The installation form of the present embodiment to above-mentioned two-direction thrust bearing 20 and the force transferring structure of pull bar 17 are not limited to said structure form, also can adopt other mounting structure and force transferring structure, refer to Fig. 7, the inner ring of two-direction thrust bearing is arranged on the first inner ring sleeve 21, the first inner ring sleeve 21 is sleeved on pull bar 17 in the mode that can axially outwards slide along pull bar 17, the first inner ring sleeve 21 is in the outer outer ring of two-direction thrust bearing 20 and be provided with the shaft shoulder for inwardly holding out against two-direction thrust bearing inner ring, disk spring group 18 acts on elastic force on the outer face of the first inner ring sleeve 21 indirectly by dish spring support ring 19.Said structure, also can cancel dish spring support ring 19, and disk spring group 18 directly acts on elastic force on the outer face of the first inner ring sleeve 21.Pull bar 17 is provided with second shaft shoulder 172 for outwards promoting two-direction thrust bearing 20, and this second shaft shoulder should be positioned at the inner side of the inner ring of two-direction thrust bearing 20.
Refer to Fig. 1, Fig. 8 and Fig. 9, the cylinder bar of start cylinder 33 is hinged with the side arm end of V-arrangement connecting plate 35 by connector 36, connector 36 is provided with the screwed hole 361 being connected with start cylinder bar along its length, broad ways is provided with two otic placodes that are parallel to each other 362, two otic placodes 362 are positioned at a side of screwed hole 361, on two otic placodes 362, be equipped with coaxial connecting through hole 363, this connecting through hole 363 is vertical with screwed hole 361, and vertical with otic placode 362.The head of start cylinder bar adopts this connector to be connected with V-arrangement connecting plate 35, but not commercially available common for connecting the Y-shaped connector of start cylinder club head and action component, can effectively reduce the length of start cylinder and the required annex of connecting plate, the final requisite space reducing in casing, for the length that the rotatable body of shortening single armed unreeling machine divides has been created advantage.Meanwhile, adopt the connector of this shape, can reduce the vertical range between the pin joint of start cylinder bar and connecting plate and the center line of revolving body, thereby reduced the bending moment of V-arrangement connecting plate 35 inside bottom, improved the bearing capacity of V-arrangement connecting plate 35.
Because exoskeletal accurate after-combustion steel coil strip is different from wide cut steel coil strip, it is even more that wide cut steel coil strip width can reach 1m left and right, and the width of wall scroll steel band and the Thickness Ratio of steel coil strip are larger, are not prone to the problem that steel band scatters to side.And for flux-cored wire steel coil strip, width of steel band is 10～20mm, in arbitrary section, one deck steel band generally has 20 above steel bands, and it is more much bigger than wide cut steel coil strip that the probability that scatters to side occurs such steel coil strip.So need to baffle plate be set in steel coil strip both sides, in case the steel band in steel coil strip scatters to side.
Refer to Fig. 1, scatter in order to prevent the inside side of steel band in steel coil strip, on drive socket 28, be provided with Internal baffle assembly 2, drive socket 28 is packed in the outside of turnbarrel 27, Internal baffle assembly is packed in the outside of drive socket 28, drive socket 28 outer ends are provided with the shaft shoulder for locating Internal baffle assembly inner side, and the outside of Internal baffle assembly is held out against by Internal baffle locating ring 29, Internal baffle locating ring 29 by screw fastening on drive socket 28.
Because exoskeletal accurate after-combustion steel coil strip is in the time being lifted on unreeling machine, can not directly the side of steel coil strip be against on the rectangular steel tube of Internal baffle assembly, because along with the radial direction of swelling watt is outside, axial direction is to the movement of machine intimate, the movement locus of steel coil strip and the swelling of being propped up are watt the same, can there is in the axial direction one-component, if directly the side of steel coil strip is against on the rectangular steel tube of Internal baffle assembly, between steel coil strip and swelling watt, can there is relative motion, and the frictional force of relative motion is larger, the inner end edge of swelling watt is likely destroyed interior one deck or which floor steel band, cause whole steel coil strip to be subsided.So can not directly make of Internal baffle assembly the axial direction positioning device of steel belt for lifting volume.In the time that steel belt for lifting is rolled up, steel coil strip need to be placed on to swelling watt upper, now just need in swelling watt, there is a positioner, to control steel coil strip in axial position.
Refer to Fig. 1, in the present embodiment, swelling watt inner reinforced plate 8 is provided with inner side positioner 37, and inner side positioner is arranged on swelling watt gusset one end near casing.Inner side positioner comprises two connection boards that are arranged on swelling watt inner reinforced plate both sides, connection board is L shaped, horizontal bottom as with the connecting portion of swelling watt link of boards, vertical portion is as location division, the connecting portion of connection board is provided with horizontal slotted hole, in horizontal slotted hole, be provided with the dog screw of connection board, dog screw is fixed together connection board and a swelling watt gusset.By moving horizontally the horizontal relative position of connection board control itself and dog screw, can adjust the relative position of inner side positioner and swelling watt, guarantee that steel coil strip is after completely by swelling, its inside edge can contact with the square tube of Internal baffle assembly, realizes the location of steel band.
Refer to Fig. 3, Fig. 4 and Fig. 5, locate in like manner with inner side, the arranged outside of unreeling machine has outside positioner, and outside positioner is demountable structure.Outside positioner comprises steel band outer baffle and outer baffle positioner; Steel band outer baffle comprises outer ring 381, inner ring 383 and is connected the spoke 382 of outer ring and inner ring, and above part forms by metal tube.Outer baffle positioner comprises two guide posts 392 and two abutment sleeves 385; Two abutment sleeve 385 disalignments, are all horizontally disposed with, and the length of one of them abutment sleeve is greater than another abutment sleeve, and two abutment sleeves 385 are respectively connected with the inner ring 383 of outer baffle by backstay 384; Two guide posts 392 are respectively fixed on the outer circumference surface of turnbarrel 27 by riser 391, and two guide posts 392 are installed on respectively in two abutment sleeves 385, and the end of guide post 392 is provided with screw thread, and a setscrew nut has been threaded on screw thread.By two point locations and a line location, can limit the axial location of outer baffle device, and can limit outer baffle swing like this.
Except taking above-mentioned setscrew nut the retention mechanism on its guider, also can adopt other fastening means as outer baffle, for example on abutment sleeve, be provided with an eccentric wheel hold-down mechanism, realize fastening function.Or the fastening abutment sleeve of jackscrew and outer baffle guide post are set on abutment sleeve.
The present embodiment, is fixed with brake disc 6 in the inner of drive socket 28, and brake disc, perpendicular to the axis of turnbarrel, is also provided with many disc brakes 5 on casing, and brake disc is between two braking planes of disc brake.Damping unit can select disc brake that air pressure is less normally to move as unreeling machine time, makes to keep on discharged steel band a suitable tension force.Select one or more disc brakes that air pressure is larger as brake apparatus.
The brake disc of mentioning, can also select damping and the brake apparatus of cartridge type brake gear as unreeling machine in the present embodiment.
The operation principle of the present embodiment is:
One) before steel belt for lifting volume, the start cylinder group of respective side is shunk, start cylinder drives pull bar to stretch out by connecting plate, circlip for shaft on pull bar promotes the first inner ring sleeve and the second inner ring sleeve, the second inner ring sleeve promotes the inner ring of two-direction thrust bearing, and promotes bearing (ball) cover by two-direction thrust bearing.Because bearing (ball) cover and sliding bearing chamber are connected, sliding bearing chamber is also along with bearing (ball) cover outwards moves together, the outdoor gusset of sliding bearing being packed on sliding bearing chamber also outwards moves thereupon together, angle between swelling connecting rod and axis reduces, angle between support link and axis reduces simultaneously, outwards move take the distance between support link and two pin joints of swelling connecting rod as the circular arc of radius on swelling watt edge, the external diameter that the external diameter of simultaneously swelling watt also dwindles in the time that the inner reinforced plate of swelling watt and the outer gusset of turnbarrel contact swelling watt is thereupon retracted to minimum of a value, now start cylinder still may not shrink and put in place.
Because the axial location of inner side positioner on swelling watt gusset can regulate, so before steel belt for lifting volume, need to adjust the position of determining inner side positioner.If directly steel coil strip is placed in swelling watt, the standard of neither one location, workman determines the position of steel coil strip entirely by rule of thumb, so very possible bigger than normal or less than normal, if steel coil strip is excessively near apart from outer end, will cause swelling watt after swelling, the inner side of steel coil strip still cannot touch in the square tube of Internal baffle, steel coil strip does not have location, side, and the steel band keeping to the side most still likely subsides.If inner side positioner is excessively far away apart from outer end, although can utilize the square tube of Internal baffle accurately locates the side of steel coil strip, but can increase the distance of the friction of steel coil strip and swelling watt support, for there is no the steel coil strip of paper web, this is by the steel strip surface of inner side in heavy wear steel coil strip, and the wire feed when producing follow-up drawing work or use to flux-cored wire brings difficulty; For the steel coil strip that has paper web as the inner tube of a tyre, although there is not the problem of wearing and tearing steel strip surface, also can strengthen the wearing and tearing to recycled paper web.And except wear problem, in the time that steel coil strip and swelling watt relatively move, frictional force needs the active force of start cylinder to overcome, and certainly can increase the load of start cylinder, likely causes the increase of start cylinder size.Increased after the positioner of inner side, can be after once adjusting to the right place, it is carried out fastening, when each upper volume, just had one reproducible, the position reference of accurate positioning, without again adjusting, can avoid above-mentioned problem.
Two) steel coil strip is placed in after the upper and axial location of swelling watt, start cylinder stretches out, and the connector on start cylinder bar drives connecting plate, and then drives pull bar to retract, and the nut of tie rod end compresses disc spring sleeve, disc spring sleeve compression butterfly spring group.Because butterfly spring group is not little when decrement will be more than lifting steel coil strip in other words in compressive state in the time that pull bar stretches out completely, so now start cylinder is only to compress butterfly spring group by pull bar, and do not cause other variations.Certainly, if in order to reduce space in casing and the start cylinder of selection of small stroke, can cause start cylinder to shrink swelling watt inner reinforced plate while putting in place is still suspended from the outer gusset of turnbarrel, both can not dock, if in this case material volume is placed in swelling watt, can move outdoor sliding bearing by swelling connecting rod, by two-direction thrust bearing, the first inner ring sleeve, dish spring support ring, force transmission, on disk spring group, be compressed disk spring group.Certainly be likely also above the two combination, be the swelling watt inner reinforced plate segment distance that declines, by after one section of disk spring group compression, swelling watt inner reinforced plate falls to being placed on the outer gusset of turnbarrel, then when pull bar moves inward, then disk spring group is continued to one section of compression.
When compression stress suffered in butterfly spring group reaches steel coil strip need to be risen to required active force time, sliding bearing chamber is (this power is delivered on sliding bearing chamber by dish spring support ring and two-direction thrust bearing) under the elastic force effect of butterfly spring, in turnbarrel, move, and then by swelling connecting rod and support link, swelling watt is propped up, now the center of gravity of steel coil strip is constantly rising.
Angle when swelling connecting rod and support link are greater than these two connecting rods and have just started lifting steel coil strip with respect to the angle of axis while putting in place due to swelling watt swelling, so stressed (butterfly spring stressed) when swelling on connecting rod is less than the power while just starting lifting steel coil strip, the length of butterfly spring is greater than its length in the time just starting lifting steel coil strip, in the process of lifting steel coil strip, butterfly spring is in fact to discharge its decrement constantly.Now disk spring group still has certain compression surplus.So watt by after complete steel coil strip swelling, start cylinder still continues to release a segment distance in swelling, pull bar continues to shrink inwards, disc spring sleeve compression butterfly spring group.Until reach start cylinder stroke, the lock of locking start cylinder interior is locked start cylinder, prevents that start cylinder from losing thrust because of gas leakage, the accident that causes material volume to fly out.In swelling watt, the length that after complete steel coil strip swelling, start cylinder bar continues to stretch out is to butterfly spring by the length of another compression.When the parts such as start cylinder, connecting plate, connector, pull bar are installed more accurately, this length is needed just less, and the second-compressed amount of spring is also just less, and pressure when final unreeling machine operation in disk spring group is also just less.For above-mentioned reasons, in unreeling machine when operation,, in other words, the axial force after steel coil strip swelling is less, and after machine run gets up, the two-direction thrust bearing in outside and the thrust bearing of inner side stressed also less, is conducive to improve the thrust bearing life-span.
The generation of second-compressed amount is not only in order to make up the error while installing, and to have the effect that tension force is provided concurrently.Because if there is no second-compressed, elastic force on disk spring is only also to rest on due to material is rolled up in swelling process, overcoming swelling watt need to rise the center of gravity of material volume on needed gravity horizontal, if the active force of disk spring is also only in this level when the locking of start cylinder, that tension force to material volume will be the same (while not using disk spring group with not using disk spring group, the gravity that the tension force that can provide is only rolled up for material, due to swelling connecting rod, swelling watt, geometrical relationship between support link and pull bar, can not produce larger tension force, otherwise will cause structural damage) use so the advantage of disk spring group to give prominence to.And the generation of this second-compressed amount, the positive corresponding generation of additional tension force, and this tension force can not disappear because of the gas leakage/leakage of start cylinder, and this additional tension force exactly, guarantee that swelling watt and material volume can have enough frictional force between inner side (or material roll up paper web), control raising speed/reduction of speed that honest material convolution turns etc., improved the safety and reliability of system.For example, the weight of material volume is 1000 kilograms, when swelling watt will be expected the complete swelling of volume, active force in disk spring group is 800 kgfs, due to the second-compressed of disk spring group, the active force in disk spring group has increased again by 160 kgfs, has increased again so the tension force of 200 kgfs between swelling watt and material volume inner side, the frictional force that this has just increased between swelling watt and material volume inner side, has improved the unwinding and rewinding machines control ability to material volume velocity variations.
Because the uncoiler or the winder that adopt swelling watt distensible material volume inner core are different from I-beam wheel unwinding and rewinding machine.The material volume of I-beam wheel unwinding and rewinding machine is placed in I-beam wheel (or being referred to as drum), and the rotary speed of I-beam wheel is to embed in the hole in I-beam wheel by the finger on unwinding and rewinding machine, stirs I-beam wheel and rotates to regulate its rotating speed.And the frictional force that the rotating speed of the confidential adjusting material volume of the material retractable that adopts swelling watt can only be rolled up between inner core by swelling watt and material regulates its rotating speed, and frictional force is determined by tension force and coefficient of friction, and coefficient of friction be immobilize moving, so can only improve frictional force by increasing tension force, described in a upper paragragh, it is excessive that the tension force of the unwinding and rewinding machine of existing employing swelling watt form can not do.And technical scheme in employing the present embodiment, raising tension force that can be larger, and then the unwinding and rewinding machine that improves employing swelling watt form is rolled up the control ability of velocity variations to material, the acceleration that can adapt to speed governing time, needs are larger and/or material are rolled up the larger occasion of rotary inertia, have expanded the scope of application of such machine.
Three) after swelling has operated; outer baffle is contained in swelling watt; utilize two abutment sleeves and two guide posts to realize the location to outer baffle; wherein two abutment sleeves have completed point location jointly; longer abutment sleeve has also completed the location that prevents swing; then use nut check, can play the protective effect of the outer side edges to steel coil strip.
Complete behind the location, outside of steel coil strip, can start the passive band of putting.
Disk spring group in the present embodiment also can be replaced by the elasticity of compression parts of other type, such as resilient sleeve etc.Nut 16 can be replaced by the limited block of pin joint.
Embodiment 2:
Most of identical with embodiment 1, just change the connected mode of start cylinder and pull bar.In embodiment 1, stretch by start cylinder the contraction that realizes pull bar, in the present embodiment, shrink the contraction that realizes pull bar by start cylinder.
Refer to Figure 10, drive the start cylinder group of pull bar 17 to comprise two cylinder with locks, but different be that cylinder bar stretches out towards the outer end of pull bar 17, the end of each start cylinder cylinder bar is to be also connected with a side arm end of V-arrangement connecting plate 35 by a connector 36.Different: the connecting plate in the connecting plate Length Ratio embodiment 1 in the present embodiment is short, and opening direction is different from embodiment 1, and the two side arms end of V-arrangement connecting plate 35 approaches the outer end of connected pull bar 17 compared with its bottom in the present embodiment.The inner bottom part of V-arrangement connecting plate is relative and hinged with the breeches joint on pull bar, and, in the space between the two side arms of the breeches joint 34 on pull bar in V-arrangement connecting plate, the distance between V-arrangement connecting plate 35 two side arms should be greater than the width of connection wye.
The present embodiment also provides the syndeton of another kind of start cylinder cylinder bar and pull bar:
Referring to Figure 11, the start cylinder 33 cylinder bars that drive pull bar to move also stretch out towards the outer end of pull bar 17, but start cylinder 33 cylinder bars are different from the connected mode of pull bar 17 the inners.In Figure 11, be provided with the connecting plate vertical with them 46 for the cylinder bar of the start cylinder group that drives pull bar 17, pull bar 17 is connected by branch sleeve 47 and U-shaped latch fitting 48 with the middle part of connecting plate 46.Branch sleeve 47 is arranged on the inner side of connecting plate 46, and the middle inside of branch sleeve 47 is provided with a gap; Be provided with in the inner end cylindrical both sides of pull bar and two stopper slots of the parallel adaptation of above-mentioned gap, the lateral surface of stopper slot is inclined-plane; U-shaped latch fitting 48 is inserted in the stopper slot of pull bar 17, inside and outside both sides are clamped by the madial wall of gap bottom surface and stopper slot, the side arm of U-shaped latch fitting 48 clamps between at the bottom of gap wall and stopper slot, the side arm of U-shaped latch fitting 48 is provided with the inclined-plane with the inclined-plane adaptation of stopper slot, the angle on this inclined-plane should be within the scope of friction self-locking, can guarantee that U-shaped latch fitting can not deviate from.U-shaped latch fitting 48 is inserted into the structure in gap inside branch sleeve can also prevent that pull bar from rotating.
The 3rd start cylinder cylinder bar that the present embodiment provides and the syndeton of pull bar, refer to Figure 12, the start cylinder 33 cylinder bars that drive pull bar to move stretch out towards the outer end of pull bar 17, the cylinder bar that is used for the start cylinder group that drives pull bar 17 is provided with the connecting plate vertical with them 46, the outer middle side part of connecting plate 46 is provided with contiguous block 49, and contiguous block 49 is provided with T-shaped groove; The inner end of pull bar is provided with the protuberance that radius is greater than its adjacent part, and protuberance is contained in T-shaped groove.The direction of T-shaped groove is 45 ° with the direction of the paired start cylinder cylinder bar line of centres.
Embodiment 3:
Refer to Figure 13, compared with embodiment 1, dish spring and disc spring sleeve structure in sliding bearing chamber 13 are cancelled, two-direction thrust bearing is directly installed on pull bar, the outer end of pull bar is provided with the 3rd shaft shoulder 52, the inner side of the 3rd shaft shoulder 52 props up the inner ring of two-direction thrust bearing 20, and the opposite side of inner ring is propped up by the first inner ring sleeve 51, the first inner ring sleeve 51 by screw fastening on pull bar 17.Sliding bearing chamber 13 no longer in turnbarrel inside, but is directly installed on turnbarrel outside when flexible, directly drives sliding bearing chamber to move back and forth in the time that start cylinder bar moves, without by dish spring transfer function power.
In the situation that swelling watt length (being machine-wide) is identical, the structure of the present embodiment can make the outer end of the more close turnbarrel of outer end supporting structure of turnbarrel, load proportion between equalizer bearing better, the bearing capacity of this load proportion and bearing is matched, realize bearing life and be more tending towards unified, reduced the overhaul frequency.But adopt this structure to need the higher precision of being equipped with of start cylinder, while making steel coil strip swelling, the position of cylinder bar in cylinder for the position of start cylinder locking, makes up rigging error without dish spring just.
For embodiment 1, in order to reduce the length of unreeling machine single armed, sliding bearing chamber is contained in turnbarrel, therefore caused the center of gravity of the outer end supporting structure distance steel roll coil of strip of turnbarrel nearer, cause the suffered load of bearing in the inside and outside end bearing structure of turnbarrel to differ greatly, larger with the theory load gap of bearing, finally cause the inharmonious of bearing life.For unified bearing life, can increase the length of swelling watt, make that sliding bearing is outdoor to be moved, to increase the distance between turnbarrel outer end supporting structure and steel coil strip center of gravity, the real load ratio of inside and outside end bearing bearing is mated more with bearing capacity, thus unified bearing life.But this structure, except the equalizer bearing life-span, without any other good effect, on the contrary, cause unreeling machine single armed length to increase, increased material consumption, improved the manufacturing cost of equipment, also increased the rotary inertia of rotatable part, improved the work burden of workman's handmade rotary casing simultaneously.
Embodiment 4:
Be the positioner of outer baffle with the difference of embodiment 1.Refer to Figure 14～Figure 15, in the present embodiment, the positioner of outer baffle comprises and is sleeved on the outer locking of swelling watt watts 53, in locking watts 53, be connected with the holding screw and the backstay 54 that are pressed in swelling watt, backstay slides and is installed in spoke 56 through outer baffle inner ring 55, on spoke, be radially provided with slotted hole 561, in slotted hole, be provided with the lock-screw affixed with backstay.Locking watt compresses swelling watt by the holding screw on it and realizes locking, and backstay compresses spoke by the lock-screw on it and realizes location.
Above-mentioned outer baffle positioner, can avoid the large problem of embodiment 1 outer baffle positioner difficulty of processing.Because, in embodiment 1, outer baffle and turnbarrel are except the nested relationship of abutment sleeve and guide post, two incoherent parts completely, and overcoat has the outer baffle guide post of abutment sleeve to be still welded on turnbarrel by riser, through this hot-working of welding, total just more likely produces new error because expand with heat and contract with cold, reduce the quality of fit of abutment sleeve and outer baffle guide post, increasing fit clearance needs to guarantee to install, thus, improved the unstability of outer baffle location; Raising machining accuracy, increases processing cost.The two scheme has certain drawback.
Outer baffle positioner in embodiment 1, owing to being provided with outer baffle guide post in the end of riser, once guide post is stressed, for riser, it is a cantilever beam structure of only having fixed at afterbody, and outer baffle guide post itself is also a cantilever beam structure of only having fixed at afterbody, this structure is very unfavorable for carrying.In order to reduce the negative effect of riser cantilever beam structure, can reduce the height of riser, if but reduce height, just need to increase the length of backstay in outer baffle positioner, and backstay itself is also a cantilever beam structure, if increase the length of backstay, certainly will reduce again its rigidity and bearing capacity.And outer baffle is after material volume is put on unreeling machine, be manually installed on unreeling machine, in order to reduce workman's work load, what need again as much as possible outer baffle to be done is lighter, so its material is also selected the material that density is less, intensity is poor or wall thickness is thinner, so that its rigidity is not easy to do is again too much.The two has just formed contradiction.
The present embodiment, the positioner of outer baffle is changed into the locking watt being directly sleeved in swelling watt, locking watt shape and size mate with swelling watt, how the circular outer diameter size no matter swelling watt forms changes, the shape of swelling watt itself is fixed, so locking watt can realize stable coordinating with swelling watt.And the variation of swelling watt external diameter is to make up by adjusting the position of backstay in spoke when swelling.The present embodiment by holding screw compress swelling watt realize locking watt location, simple in structure, easy to operate.
In the present embodiment, steel band outer baffle adopts plectane to add the structure that spoke adds inner ring, and the effect of spoke is equivalent to gusset.Steel band outer baffle also can adopt the structure of the outer ring+spoke+inner ring in embodiment 1.
Embodiment 5:
Refer to Figure 16, and the difference of embodiment 1 is: between dish spring support ring 19 and first shaft shoulder of pull bar, clamp and adjust packing ring 60, adjust packing ring 60 and be sleeved on pull bar 17.Dish spring support ring 19 does not directly contact with first shaft shoulder 171 of pull bar, but contact with the adjustment packing ring 60 for adjusted size, the internal diameter of adjusting packing ring 60 is identical with the external diameter of pull bar 17, the external diameter of adjusting packing ring 60 is identical with the internal diameter of the first inner ring sleeve 21, and can slide axially between the first inner ring sleeve 21.
In process of production, the internal diameter of steel band material volume can not be completely unified, and the present invention depends on and pulls the locking start cylinder of pull bar to move completely to put in place, utilizes lock in start cylinder to guarantee not occur the material volume accident that flies out.But the position that material volume internal diameter and pull bar pull is to have certain relation of interdependence, if the internal diameter of material volume is larger than theoretical value, after causing driving the start cylinder cylinder bar of pull bar to put in place, still cannot increase to position, also cannot guarantee even again discharge decrement by butterfly spring, so just need to adjust the relative position of dish spring support ring and pull bar.For example, the position of dish spring support ring is outwards moved, need to increase and adjust thickness or the quantity of packing ring, make start cylinder in the time moving to terminal, the external diameter of swelling watt is less than original steel coil strip internal diameter; Vice versa.Adjust packing ring and can have various ways: 1) for certain material volume internal diameter size, calculate the every increase certain size of internal diameter (for example 1mm or 0.5mm), the thickness of needed adjustment packing ring, each adjusts the internal diameter of corresponding a kind of material volume of thickness of packing ring, in the time that the internal diameter of steel coil strip changes to some extent, increase or reduce corresponding adjustment packing ring number; 2) size of required adjusted size packing ring while calculating respectively discharging volume internal diameter and be different size, makes respectively the adjustment packing ring of coil diameter in corresponding each steel band, in the time that the internal diameter of steel coil strip changes to some extent, and integral replacing adjusted size packing ring.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described above, but the present invention is not limited to the above-mentioned specific embodiment, the above-mentioned specific embodiment is only schematic, be not restrictive, those of ordinary skill in the art is under enlightenment of the present invention, do not departing from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, 1. replace the swelling watt inner reinforced plate described in the present invention and the outer gusset of turnbarrel with hinged-support, be arranged on respectively the inner side of swelling watt and the outside of turnbarrel, and hinged with support link, play the effect of supporting swelling watt, 2. will change 3 or more number into for the cylinder number that struts each side swelling watt, the cylinder that supports both direction is still crisscross arranged, 3. parts or the component combination in above embodiment with identical function are replaced mutually, formed the technical scheme that there is no Direct function description in above each embodiment, within these all belong to protection scope of the present invention.
Claims (8)
1. the passive unreeling machine of single armed, comprise base and be arranged on the casing on described base, described casing one side is provided with a bearing sleeve, in described bearing sleeve, be coated with pull bar, described bearing sleeve external support has turnbarrel, described turnbarrel outer is arranged with some swellings watt, between described swelling watt and described turnbarrel, is provided with support link; The inner of described pull bar is connected with driving mechanism by connecting plate, and the outer end of described pull bar is connected with support and contracting mechanism,
It is characterized in that,
Described driving mechanism is locking hydraulic cylinder or locking cylinder;
Described support and contracting mechanism comprises sliding bearing chamber;
The outside of described sliding bearing chamber is connected with described swelling watt by swelling connecting rod;
The indoor two-direction thrust bearing, the first Compress Spring and the limiting component that are sleeved on described pull bar of being provided with successively from the inner to outer end of described sliding bearing, described pull bar is provided with first shaft shoulder, described the first Compress Spring is installed between first shaft shoulder of described limiting component and described pull bar, and described pull bar is provided with the force application structure for outwards promoting described two-direction thrust bearing;
The inner ring of described two-direction thrust bearing is arranged on the first inner ring sleeve,
Described the first inner ring sleeve is can the mode along pull rod shaft to outside slip being sleeved on described pull bar, described the first inner ring sleeve is in the outer outer ring of described two-direction thrust bearing and be provided with second shaft shoulder for inwardly holding out against two-direction thrust bearing inner ring, and described the first Compress Spring acts on elastic force on the outer face of described the first inner ring sleeve directly or indirectly.
2. the passive unreeling machine of single armed according to claim 1, is characterized in that, between the inner side of described the first Compress Spring and first shaft shoulder of described pull bar, has clamped adjustment packing ring, and described adjusting pad snare is contained on described pull bar.
3. the passive unreeling machine of single armed according to claim 1, it is characterized in that, described the first Compress Spring is dish spring group, and described dish spring is assembled in disc spring sleeve, described disc spring sleeve is sleeved on described pull bar, between described two-direction thrust bearing and described limiting component.
4. the passive unreeling machine of single armed according to claim 1, it is characterized in that, described connecting plate is V-arrangement connecting plate, the center line of described V-arrangement connecting plate is horizontally disposed, and two side arms end is respectively connected with the described driving mechanism of corresponding side by a joint, and the bottom of described V-arrangement connecting plate is connected with the inner of described pull bar.
5. the passive unreeling machine of single armed according to claim 1, it is characterized in that, described swelling watt is provided with inner side positioner, described inner side positioner comprises the L shaped connection board that is provided with vertical location division and level connection joint portion, described vertical position point is in the inner side of described level connection joint portion, and described level connection joint portion is provided with horizontal slotted hole; Described swelling watt is provided with inner reinforced plate along its length; Described L shaped connection board is affixed by described horizontal slotted hole and described swelling watt inner reinforced plate on it.
6. the passive unreeling machine of single armed according to claim 1, is characterized in that, this unreeling machine also comprises outside positioner; Described outside positioner comprises outer baffle and outer baffle positioner; Described outer baffle positioner comprises that one is long and the other is short two horizontal location sleeves of out-of-alignment and with the guide post of their adaptations, described guide post is fixed on by riser on the outer circumference surface of described turnbarrel; Described abutment sleeve is fixed on by backstay on the inner peripheral surface of described outer baffle, and described abutment sleeve is sleeved on described guide post, and described guide post is provided with the retention mechanism of described positioning sleeve.
7. the passive unreeling machine of single armed according to claim 4, it is characterized in that, described joint comprises along its length two otic placodes that are parallel to each other that arrange in screwed hole arranging and broad ways, two described otic placodes are positioned at a side of described screwed hole and are provided with coaxial connecting through hole, and described connecting through hole is vertical with described screwed hole and vertical with described otic placode.
8. according to the passive unreeling machine of the single armed described in claim 4 or 7, it is characterized in that, the two side arms end of described V-arrangement connecting plate is the outer end away from connected described pull bar compared with its bottom.
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| CN102632106B (en) * | 2012-05-02 | 2015-04-08 | 天津三英焊业股份有限公司 | Retracting device, unreeling machine and reeling and unreeling machine |
| CN102632104A (en) * | 2012-05-02 | 2012-08-15 | 天津三英焊业股份有限公司 | Uncoiler |
| CN105217385B (en) * | 2015-10-29 | 2024-04-16 | 山东大业股份有限公司 | Spool adapter |
| CN108996297A (en) * | 2018-09-20 | 2018-12-14 | 嘉兴传麒机械设备有限公司 | The automatic lap changing winder of strap |
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| JP2001314917A (en) * | 2000-05-02 | 2001-11-13 | Pascal Kk | Uncoiler apparatus |
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| SU1646640A1 (en) * | 1989-07-11 | 1991-05-07 | Научно-производственное объединение "Атомкотломаш" | Strip coiler |
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