CN206384641U - A kind of steel band unwinding rack - Google Patents

Abstract

The utility model discloses a kind of steel band unwinding rack, its drip irrigation device is the rotating shaft for including support body He being rotatably connected on support body, the brake disc being coaxially disposed with rotating shaft is connected with rotating shaft, the support plate that external diameter is more than disc outer diameter is provided between brake disc and steel band, it is rotatably connected on the support body and steps on bar, step on bar include with support body rotate the rotational segment that is connected and it is vertical be fixed in bull stick one end trample section, rotational segment is connected with connecting plate away from the one end for trampling section, brake band is arranged with the circumferential wall of the brake disc, one end of brake band is fixed on disk body, the wire of annular is connected between the other end and connecting plate, one end that brake band is connected with connecting plate is movable end, dynamic clamping head and quiet clamping head is provided between movable end and support body, steel plate unwinding rack can be braked.

Description

A kind of steel band unwinding rack

Technical field

The utility model is related to a kind of unwinding device of steel band, more particularly to a kind of steel band unwinding rack.

Background technology

Prestressing force metal bellows process is, coiled during processing using corrugated tube making machine by steel band extrusion forming Steel band be placed on coil of strip machine, then the free end of steel band is stretched into corrugated tube making machine, in the drive of corrugated tube making machine Under, unwinding rack concomitant rotation is unreeled.

But after a prestressing force metal bellows tubulation terminates, unwinding rack can still be rotated in the presence of inertia and after It is continuous to unreel, and then cause steel band part to be scattered.

In order to solve the above problems, brake gear is provided with the rotary shaft of unwinding rack in the prior art, is provided with and stops The unwinding rack of car device refers to the Chinese patent of Application No. 201120220804.4, and it discloses a kind of pay off rack rotating speed tune Whole and brake gear, including pay off rack, rotating shaft is provided with the bottom of pay off rack, is provided with rotating shaft periphery in rotating wheel, rotating wheel It is cased with annular sleeve；Annular sleeve is connected by connecting line with pedal, and pedal is hinged on pedestal；Bullet is provided between connecting line and pedal Spring, one end of spring is connected with connecting line, and the other end is connected with pedal；When adjusting rotating speed, operating pedal causes annular sleeve to tighten up, So as to increase the frictional force between annular sleeve and rotating wheel to reduce rotating speed；If desired pay off rack is stopped operating, then continue to grasp Make pedal.

The purpose of this utility model is to provide the another way solved the above problems.

Utility model content

The purpose of this utility model is to provide a kind of steel band unwinding rack that can be braked.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of steel band unwinding rack, Including support body and the rotating shaft that is rotatably connected on support body, be connected with the brake disc being coaxially disposed with rotating shaft in rotating shaft, brake disc with The support plate that external diameter is more than disc outer diameter is provided between steel band, is rotatably connected on the support body and steps on bar, step on bar include with Support body rotates the rotational segment and the vertical section of trampling for being fixed in bull stick one end of connection, and rotational segment is affixed away from the one end for trampling section Have and brake band is arranged with connecting plate, the circumferential wall of the brake disc, one end of brake band is fixed on disk body, the other end and company The wire of annular is connected between fishplate bar, one end that brake band is connected with connecting plate is movable end, between movable end and support body It is provided with dynamic clamping head and quiet clamping head.

By using above-mentioned technical proposal, during braking, the section of trampling of bar is slammed, then tramples section and drives rotational segment to rotate, And then driving connecting plate to rotate, connecting plate pulls wire, and wire drives the movable end movement of brake band；Then brake band is with stopping The circumferential wall of hull is abutted against, under the frictional force effect between brake band and brake disc so that brake disc stops operating, and then So that rotating shaft, the support plate affixed with rotating shaft and the steel band that is placed in support plate synchronously stop operating, complete braking；Under Slammed all the time before once unreeling and trample section, connected between connecting plate and movable end by wire, pay off rack revolution has revolution Trend, then drive brake band also to have to the trend away from connecting plate one lateral movement, and then can pull wire, but metal Silk deforms smaller after tightening, and can reduce above-mentioned trend, it is ensured that the effect of braking；When needing to unreel, release to rotational segment Limitation, then in the presence of dynamic clamping head and quiet clamping head, brake band is pulled so as to being separated with brake disc, is trampled simultaneously as releasing, Connecting plate can also be pulled to the side close to dynamic clamping head and quiet clamping head, and then the rotation of bar Integral synchronous is stepped in drive, be recovered to before braking State, relieves braking；Support plate is provided between brake disc and steel band, and the diameter of brake disc is less than the straight of support plate Footpath, it is to avoid steel band directly contacts with brake disc and influences the progress of braking.

Preferably, the dynamic clamping head and quiet clamping head includes spring and the regulating part being connected with the one end of spring away from connecting plate, Sliding is fixedly connected with supporting plate, regulating part in a ring through supporting plate and spring after join end to end.

By using above-mentioned technical proposal, regulating part is arranged between supporting plate and spring, can be by adjusting regulating part Length adjustment spring shrinkage degree, and then ensure braking effect while, reset effect is can guarantee that again.

Preferably, the regulating part includes steel wire rope and is connected to first lock and the second lock at steel wire rope two ends Button, the first lock and the second lock are cylindrical shape, and the outer wall of the first lock is offered to be opened on external screw thread, the inwall of the second lock Provided with the internal thread being adapted with external screw thread.

By using above-mentioned technical proposal, the first lock is different from the length of the second lock threaded connection section, then whole to adjust The length for saving part is different, it is possible to achieve the purpose of adjustment telescopic spring degree, uses threaded connection, it is ensured that connective stability While, it is conveniently adjusted again.

Preferably, offering the connecting hole of multiple confession steel wire penetratings in the supporting plate.

By using above-mentioned technical proposal, steel wire rope can be passed through out of different connecting hole, then spring relative brake The angle of band changes, and can equally adjust the telescopic level of spring.

Preferably, the brake disc includes being fixed in spiral shell on the disk body and disk body being coaxially disposed on the outside of rotating shaft and with rotating shaft Multiple gag lever posts of line, multiple gag lever posts are along the circumferentially distributed of disk body, and each gag lever post is at least to that should have two along disk body radial direction The screwed hole opened up；Support plate includes multiple lower support bars circumferentially disposed along support plate and affixed with the lower support bar other end Lower ring, the one end of lower support bar away from lower ring is fixed in rotating shaft.

By using above-mentioned technical proposal, ring is provided with above brake disc and is connected between lower ring and rotating shaft Lower support bar, lower support bar can be supported along the circumferentially distributed of rotating shaft to steel band, solid relative to brake disc is set to Plate body, lighter weight, contribute to braking progress；Meanwhile, the contact area of steel band and brake disc can be reduced, is reduced The abrasion of steel band edge；Gag lever post is threaded on disk body, while being provided with multiple screwed holes again, then gag lever post can be along disk The radial direction of body is adjusted, and is gone for the different steel band of internal diameter, is improved applicability；Adjusted simultaneously according to different steel bands Gag lever post causes what gag lever post abutted with steel band more to compact, and improves steel band and fixes stability on the disc brake rotor, improves steel The synchronism that band is rotated with unreeling machine.

Preferably, being arranged with the position-arresting disk above brake disc in rotating shaft, steel band is located between brake disc and position-arresting disk, The position-arresting disk includes being set in sleeve, one end and the affixed pressure holding bar of sleeve on the outside of rotating shaft and consolidated with the pressure holding bar other end The upper ring connect, pressure holding bar is provided with multiple and along the circumferentially distributed of sleeve.

By using above-mentioned technical proposal, steel band is located between brake disc and position-arresting disk, and the setting of position-arresting disk can be to steel Band plays certain position-limiting action, reduction upward play of steel band during coil of strip so that steel band is all the time in certain height model Enclose interior unreeled, it is ensured that the effect unreeled；In addition, position-arresting disk is set on the outside of rotating shaft, when carrying out replacing steel band, directly Position-arresting disk is taken out from rotating shaft；The same with brake disc, position-arresting disk is set to the form of pressure holding bar and upper ring, equally subtracts Light progress of the weight in order to braking.

Preferably, the external diameter of the brake disc is more than the external diameter of position-arresting disk.

By using above-mentioned technical proposal, when the diameter of steel band is more than the diameter of position-arresting disk, when steel band just starts to unreel, In the presence of self gravitation, even if position-arresting disk does not carry out pressure holding to it, the trend of its play is smaller, then can still ensure normal Unreel；So, while normal unreel is ensured, the diameter of position-arresting disk can alleviate weight with relatively reduced, when steel band diminishes When, position-arresting disk carries out pressure holding to it again；And the diameter of steel band be less than position-arresting disk diameter when, be directly placed at position-arresting disk with Between brake disc.

Preferably, being connected with lifting ring on the sleeve.

By using above-mentioned technical proposal, the setting of ring is lifted, is easy to staff to hold, be easy to by holding lifting ring Position-arresting disk is taken out or is put into from rotating shaft by staff, also relatively laborsaving.

Preferably, the screwed hole includes the lower opening that upper hole and external diameter are less than upper hole, gag lever post include spacing section and External diameter is less than spacing section of linkage section, and spacing section of lower section is threadedly coupled with upper hole, and linkage section is threadedly coupled and run through with lower opening Disk body.

By using above-mentioned technical proposal, spacing section is adapted with spacing hole, and spacing section of diameter is more than linkage section Diameter, then spacing section can be connected on disk body, improve the stability that is connected with disk body of gag lever post.

Preferably, being connected with the fixed cylinder stretched into for rotational segment on the support body, fixed cylinder is fixed on support body, fixed cylinder Length and rotational segment equal length, trample the projection of section vertically fall support plate vertically project it is outer Side.

By using above-mentioned technical proposal, rotational segment is located in fixed cylinder, and rotational segment is identical with the length of fixed cylinder, I.e. connecting plate and trample section respectively be located at fixed cylinder two ends, it is ensured that connecting plate and trample axial direction of the section along fixed cylinder consolidate It is fixed, and then ensure the progress of braking；Trample the projection of section vertically and fall the outside vertically projected in support plate, then The outside that section is located at brake disc is trampled, can prevent that brake disc causes interference when trampling, and tramples area increase, is easy to work Personnel quickly find accurately and trampled a little.

In summary, the utility model has the advantages that：The setting of bar and back-moving spring is stepped on, is realized to steel band Rack is braked；Meanwhile, it is attached between connecting plate and brake band by wire, it is ensured that the effect of braking； The area for trampling section is increased, is easy to staff to trample；Go for the steel band of different-diameter size, and improve steel band The synchronism rotated with unreeling machine.

Brief description of the drawings

Fig. 1 is a kind of overall structure diagram of steel band unwinding rack；

Fig. 2 is the structural representation for embodying support plate and brake disc；

Fig. 3 is the structural representation for embodying brake assemblies；

Fig. 4 is the enlarged diagram in A portions in Fig. 3.

In figure, 1, support body；11st, the first bearing；111st, fixed cylinder；12nd, the second bearing；121st, chute；13rd, rotating shaft；2nd, make Dynamic component；21st, bar is stepped on；211st, section is trampled；212nd, rotational segment；22nd, dynamic clamping head and quiet clamping head；221st, spring；222nd, regulating part；2221、 Steel wire rope；2222nd, the second lock；2223rd, the first lock；23rd, connecting plate；231st, wire；24th, brake band；241st, connection branch Plate；242nd, movable end；3rd, support plate；31st, lower ring；32nd, lower support bar；4th, position-arresting disk；41st, upper ring；42nd, pressure holding bar；43rd, cover Cylinder；431st, ring is lifted；5th, steel band；6th, brake disc；61st, disk body；611st, screwed hole；6111st, upper hole；6112nd, lower opening；62nd, it is spacing Bar；621st, spacing section；622nd, linkage section；7th, supporting plate；71st, level board；711st, bolt；72nd, vertical plate；721st, connecting hole.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing Mark is represented.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of steel band unwinding rack, as shown in figure 1, including support body 1 and the rotating shaft 13 being rotatably connected on support body 1, in addition to So that the brake assemblies 2 that support body 1 is braked, be welded with the brake disc 6 being coaxially disposed with rotating shaft 13 in rotating shaft 13, brake disc 6 it is upper Side is welded with the support plate 3 placed for steel band 5, and the external diameter of brake disc 6 is less than the external diameter of support plate 3.

With reference to Fig. 2, brake disc 6 includes the disk body 61 and disk body for being fixed in the outside of rotating shaft 13 and being coaxially disposed with rotating shaft 13 Multiple gag lever posts 62 of screw thread on 61.Gag lever post 62 is vertically arranged, and multiple gag lever posts 62 are along the circumferentially distributed of disk body 61.

Each gag lever post 62 is at least to that should have two screwed holes 611 opened up along the radial direction of disk body 61, and screwed hole 611 includes upper Hole 6111 and external diameter are less than the lower opening 6112 in upper hole 6111, and gag lever post 62 includes spacing section 621 and external diameter is less than spacing section 621 linkage section 622, spacing section 621 of lower section is threadedly coupled with upper hole 6111, and linkage section 622 is threadedly coupled with lower opening 6112 And through disk body 61, linkage section 622 stretches out from the lower section of disk body 61, and the threaded one end of stretching is connected with nut.

Support plate 3 include it is multiple along its own circumferentially disposed lower support bar 32 and with the other end of lower support bar 32 weld Lower ring 31 together, the one end of lower support bar 32 away from lower ring 31 is welded in the circumferential wall of rotating shaft 13.

Fig. 1 is reviewed, steel band 5 is from top to bottom inserted in the outside of multiple gag lever posts 62, and inwall and the gag lever post 62 of steel band 5 are supported Connect, steel band 5 is supported on lower support bar 32.In order to preferably be unreeled, it is arranged with rotating shaft 13 positioned at the top of support plate 3 Position-arresting disk 4, steel band 5 is located between support plate 3 and position-arresting disk 4, and external diameter of the external diameter more than position-arresting disk 4 of support plate 3.

Multiple pressure holding bars 42 that sleeve 43, one end and the sleeve 43 that position-arresting disk 4 includes being set in the outside of rotating shaft 13 are welded with And the upper ring 41 welded with the other end of pressure holding bar 42, pressure holding bar 42 is provided with multiple and along the circumferentially distributed of sleeve 43；Meanwhile, it is Position-arresting disk 4 is taken out into progress and steel band 5 is placed, lifting ring 431 is welded with sleeve 43, lifting ring 431 two ends leg Bottom is welded in the circumferential wall of sleeve 43.

With reference to Fig. 3 and Fig. 4, brake assemblies 2 include being set in the brake band 24 of the open loop in the outside of disk body 61, are rotatably connected on Stepping on bar 21, be fixed in the connecting plate 23 stepped on the one end of bar 21 and be connected with brake band 24 and being connected to support body 1 and system on support body 1 Dynamic clamping head and quiet clamping head 22 between dynamic band 24, pin, which slams bar 21, can drive connecting plate 23 to rotate, and then drive brake band 24 to paste Tight brake disc 6 and realize braking.

Step on the rotational segment trampled section 211 and the one end of section 211 is trampled with being vertically welded in that bar 21 includes trampling for people 212, support body 1 includes the orthogonal bearing 12 of first bearing 11 and second, be welded with the first bearing 11 for rotational segment 212 from The fixed cylinder 111 that one end is stretched into, the length of fixed cylinder 111 and the equal length of rotational segment 212, trample section 211 vertically Projection fall the outside that is vertically projected in support plate 3, rotational segment 212 is welded with vertically away from the one end for trampling section 211 With the connecting plate 23 of the axis direction of rotational segment 212.

The annular wire 231 for connecting connecting plate 23 and brake band 24, wire 231 are equipped with connecting plate 23 Iron wire can be selected；One end of brake band 24 is fixed in the circumferential wall of disk body 61, and the other end is movable end 242, movable end 242 On offer the through hole passed through for wire 231, wire 231 is sequentially passed through connecting plate 23 and movable end 242 and twisted with rear screw Fasten together.

Side of the movable end 242 away from disk body 61 is connected with the connection support plate 241 being obliquely installed, the second bearing 12 and slid Supporting plate 7 is fixedly connected with, supporting plate 7 includes level board 71 and is welded on the vertical plate 72 of the one end of level board 71, the second bearing The chute 121 of the sliding of water supply flat board 71 is offered on 12, level board 71 is stretched into after chute 121 and locked by bolt 711.

Dynamic clamping head and quiet clamping head 22 is connected between vertical plate 72 and connecting plate 23, dynamic clamping head and quiet clamping head 22 include spring 221 and The regulating part 222 being connected with spring 221, one end of spring 221 is set on connection support plate 241, the other end and the phase of regulating part 222 Even.

Regulating part 222 includes steel wire rope 2221 and is respectively and fixedly connected to first lock 2223 and second at the two ends of steel wire rope 2221 Lock 2222.First lock 2223 and the second lock 2222 are cylindrical, wherein, offered on the outer wall of the first lock 2223 The internal thread being adapted with external screw thread is offered, it is necessary to adjust the contraction of spring 221 on external screw thread, the inwall of the second lock 2222 During degree, it is only necessary to adjust the depth that the second lock 2222 screws in the second lock 2222, i.e., the first lock 2223 and the second lock 2222 intersection length is the length that can adjust whole regulating part 222, and then adjusts the shrinkage degree of spring 221.

In order to further adjust the shrinkage degree of spring 221, multiple confession steel wire ropes 2221 are offered on vertical plate 72 and are worn The connecting hole 721 crossed, multiple connecting holes 721 are vertically arranged.

When being unreeled, lifting ring 431 is first held manually and removes position-arresting disk 4, steel band 5 is placed in support plate 3, can be with Gag lever post 62, which is inserted in corresponding screwed hole 611, at this moment causes gag lever post 62 to be abutted with the inwall of steel band 5, then will limit Position disk 4 is set in the top of steel band 5；When carrying out tubulation, do not slam and trample section 211 so that trampling section 211 in free state, Steel band 5 is under the pulling of corrugated tube making machine so that support plate 3, steel band 5, brake disc 6 and the equal synchronous axial system of position-arresting disk 4 enter Row is unreeled.

When needing braking, workman's pin, which is slammed, tramples section 211, then tramples section 211 and drive rotational segment 212 to rotate, connecting plate 23 Synchronous axial system therewith, connecting plate 23 pulls wire 231, and then wire 231 pulls the movable end 242 of brake band 24 to close The side movement of disk body 61, and then the circumferential wall of the inwall and disk body 61 of brake band 24 is abutted against, in brake band 24 and disk In the presence of the frictional force of body 61, disk body 61 stops operating, and support plate 3 and position-arresting disk 4 stop operating simultaneously, and steel band 3 also stops Rotation stop is moved, and realizes braking.

When unreeling next time, section 211 is trampled in release, and spring 221 drives brake band 24 to be moved to the side away from disk body 61, And then cause brake band 24 to depart from the state that abuts with disk body 61, release braking；Then unreeled.

After steel band 5 is using finishing, during the steel band 5 more renewed, directly position-arresting disk 4 is taken out, new steel band 5 is put into branch On support plate 3, position-arresting disk 4 is set in rotating shaft 13.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims (10)

1. It is solid in rotating shaft (13) 1. a kind of steel band unwinding rack, including support body (1) and the rotating shaft (13) that is rotatably connected on support body (1) It is connected to the brake disc (6) being coaxially disposed with rotating shaft (13), it is characterised in that：External diameter is provided between brake disc (6) and steel band (5) More than the support plate (3) of brake disc (6) external diameter, it is rotatably connected on the support body (1) and steps on bar (21), stepping on bar (21) includes and frame Body (1) rotate connection rotational segment (212) and it is vertical be fixed in bull stick one end trample section (211), rotational segment (212) is remote The one end for trampling section (211) is connected with connecting plate (23), the circumferential wall of the brake disc (6) and is arranged with brake band (24), makes One end of dynamic band (24) is fixed in brake disc (6), and the wire of annular is connected between the other end and connecting plate (23) (231) one end that, brake band (24) is connected with connecting plate (23) is movable end (242), between movable end (242) and support body (1) It is provided with dynamic clamping head and quiet clamping head (22).
2. 2. steel band unwinding rack according to claim 1, it is characterised in that：The dynamic clamping head and quiet clamping head (22) includes spring (221) regulating part (222) and with the one end of spring (221) away from connecting plate (23) being connected, support body（1）Upper sliding is fixed to be connected It is connected to supporting plate（7）, regulating part (222) is in a ring through supporting plate（7）Joined end to end after between spring (221).
3. 3. steel band unwinding rack according to claim 2, it is characterised in that：The regulating part (222) includes steel wire rope (2221) and be connected to steel wire rope (2221) two ends first lock (2223) and second lock (2222), first latch (2223) and the second lock (2222) is cylindrical shape, the outer wall of the first lock (2223) offers external screw thread, the second lock (2222) internal thread being adapted with external screw thread is offered on inwall.
4. 4. steel band unwinding rack according to claim 3, it is characterised in that：The supporting plate（7）On offer multiple confession steel The connecting hole (721) that cord (2221) is passed through.
5. 5. steel band unwinding rack according to claim 1, it is characterised in that：The brake disc (6) includes being fixed in rotating shaft (13) multiple gag lever posts (62) of screw thread, multiple on the disk body (61) and disk body (61) being coaxially disposed on the outside of and with rotating shaft (13) Gag lever post (62) circumferentially distributed, each gag lever post along disk body (61)（62）At least to that should there are two radially to be opened up along disk body (61) Screwed hole (611)；Support plate (3) include multiple lower support bars (32) circumferentially disposed along support plate (3) and with lower support The affixed lower ring (31) of bar (32) other end, the one end of lower support bar (32) away from lower ring (31) is fixed in rotating shaft (13).
6. 6. steel band unwinding rack according to claim 5, it is characterised in that：Rotating shaft is arranged with positioned at lower support bar on (13) (32) position-arresting disk (4) above, steel band (5) is located between brake disc (6) and position-arresting disk (4), and the position-arresting disk (4) includes being arranged Sleeve on the outside of rotating shaft (13)（43）, one end and sleeve（43）Affixed pressure holding bar (42) and with pressure holding bar (42) other end Affixed upper ring (41), pressure holding bar (42) is provided with multiple and along sleeve（43）It is circumferentially distributed.
7. 7. steel band unwinding rack according to claim 6, it is characterised in that：The external diameter of the brake disc (6) is more than position-arresting disk (4) external diameter.
8. 8. steel band unwinding rack according to claim 7, it is characterised in that：The sleeve（43）On be connected with lifting ring (431)。
9. 9. steel band unwinding rack according to claim 8, it is characterised in that：The screwed hole (611) includes upper hole (6111) And external diameter is less than the lower opening (6112) of upper hole (6111), gag lever post (62) includes spacing section (621) and external diameter less than spacing The linkage section (622) of section (621), the lower section of spacing section (621) is threadedly coupled with upper hole (6111), linkage section (622) and lower opening (6112) it is threadedly coupled and through disk body (61).
10. 10. steel band unwinding rack according to claim 7, it is characterised in that：It is connected with the support body (1) and supplies rotational segment (212) fixed cylinder (111) stretched into, fixed cylinder (111) is fixed on support body (1), the length and rotational segment of fixed cylinder (111) (212) equal length, tramples the projection of section (211) vertically and falls the outside vertically projected in support plate (3).