CN102615104A - Coiler for trimmings of cold-rolling strip steel - Google Patents

Coiler for trimmings of cold-rolling strip steel Download PDF

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Publication number
CN102615104A
CN102615104A CN2012100901244A CN201210090124A CN102615104A CN 102615104 A CN102615104 A CN 102615104A CN 2012100901244 A CN2012100901244 A CN 2012100901244A CN 201210090124 A CN201210090124 A CN 201210090124A CN 102615104 A CN102615104 A CN 102615104A
Authority
CN
China
Prior art keywords
recovery
trimmings
cold
slitter edge
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012100901244A
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Chinese (zh)
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CN102615104B (en
Inventor
周宝标
冯则忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHENGZHOU HUACHI LAMELLA TECHNOLOGY Co Ltd
Original Assignee
ZHENGZHOU HUACHI LAMELLA TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHENGZHOU HUACHI LAMELLA TECHNOLOGY Co Ltd filed Critical ZHENGZHOU HUACHI LAMELLA TECHNOLOGY Co Ltd
Priority to CN201210090124.4A priority Critical patent/CN102615104B/en
Publication of CN102615104A publication Critical patent/CN102615104A/en
Application granted granted Critical
Publication of CN102615104B publication Critical patent/CN102615104B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a coiler for trimmings of cold-rolling strip steel, which comprises a rack and a recovery rotary shaft rotatably assembled on the rack and is driven by a corresponding power source, wherein a recovery working section for recovering corresponding trimmings is arranged on the recovery rotary shaft; the rack is provided with a guiding structure with a guiding direction extending along a vertical direction on the upper part of the recovery working section; the guiding structure is provided with a bouncing roller capable of bounding up and down in a guiding way; and the bouncing roller comprises a roller body which is in friction rolling fit with the corresponding trimmings when the recovery working section is rotated to recover the trimmings, and bounces up and down under the friction action of the trimmings. The invention provides the coiler for the trimmings of the cold-rolling strip steel with a simple structure.

Description

The cold-strip steel coiler for trimmings
Technical field
The present invention relates to the auxiliary equipment in the coil of strip production, relate in particular to a kind of cold-strip steel coiler for trimmings.
Background technology
Cold rolling or the hot-rolled coil that steel plant process, its both sides of the edge are irregular and defectives such as microcosmic ripple are arranged, and make the stress distribution of whole belt steel surface inhomogeneous, influence its overall quality.Need bead cutter to cut away with the edge that does not meet quality of steel both sides, the slitter edge that is cut off is reclaimed by corresponding retracting device for this reason.Existing retracting device such as Chinese patent CN201906878U disclosed " a kind of steel band limit silk retracting device "; This retracting device comprises that frame and rotation are assemblied on the frame and by the rotating shaft of corresponding drive power source; Rotating shaft is provided with the recovery operation section that is used to reclaim corresponding slitter edge, on the recovery operation section, reel is installed.Retracting device also comprises the guiding mechanism that is arranged at rotating shaft the place ahead along corresponding slitter edge throughput direction, and guiding mechanism is made up of horizontal reciprocating movement mechanism and guider, and the effect of guiding mechanism is in order to let slitter edge can be covered with whole reel uniformly.Guiding mechanism is absolutely necessary in the steel band limit silk retracting device of this structure, but because the quite complicated structure of whole recovery device that also makes of the structure of guiding mechanism is quite complicated, has increased the manufacturing cost and the manufacture difficulty of retracting device.
Summary of the invention
The object of the present invention is to provide a kind of cold-strip steel coiler for trimmings simple in structure.
In order to address the above problem, technical scheme of the present invention is:
The cold-strip steel coiler for trimmings; Comprise frame and rotation be assemblied on the said frame and by the recovery rotating shaft of corresponding drive power source; Reclaim rotating shaft and be provided with the recovery operation section that is used to reclaim corresponding slitter edge; Be provided with the guide frame that guide direction is extended along the vertical direction in the top of said recovery operation section on the described frame; But guiding is equipped with beating of bob and pounds roller on the described guide frame, and described beating pounded roller and be included in said recovery operation section and rotate when reclaiming slitter edge and to cooperate with corresponding slitter edge friction rolling and the roll body of bob under the frictional force effect of slitter edge.
Described beating pounded roller and comprised the axle of beating that directly is assemblied on the said guide frame, and described roll body rotates and is assemblied on the described axle of beating.
Also be provided with on the described frame with said beat to pound spacing cooperation of roller pound upwards beat scope and pound the flexible restoring organ that roller applies downward active force of roller to said beating to limit said beating.
Described guide frame comprises and rotates the dead axle be assemblied on the said frame and be provided with said recovery shaft parallel; Described dead axle is provided with head end and said dead axle is connected, terminal radially court is away from first swing arm of said dead axle direction extension along said dead axle, and described beating pounded the end that roller is installed in said first swing arm.
Also be provided with on the described dead axle head end and said dead axle be connected, terminal along said dead axle radially towards second swing arm of extending away from said dead axle direction; Described flexible restoring organ comprises along the vertical direction the reset cylinder that is provided with, and an end and the described frame of said reset cylinder is hinged and connected, the end of the other end and said second swing arm is hinged and connected.
Described frame comprises workbench and is arranged at fixed mount and the adjustable shelf on the workbench; Described fixed mount fixedly is assemblied on the described workbench; Described workbench is provided with the slide rail of guide direction and the setting of said recovery shaft parallel; Described adjustable shelf guiding slidable fit is on described slide rail; Be provided with between described fixed mount and said adjustable shelf and be in transmission connection with said adjustable shelf and drive said adjustable shelf along the reciprocating load maintainer of said slide rail; Described beating pounded roller and guide frame all is arranged on the described fixed mount; Being assemblied on the described adjustable shelf of described recovery rotating shaft axial limiting, described fixed mount are provided with that the recovery operation section that supplies said recovery rotating shaft is passed and said the beating that arrive pounded the axially extending bore under the roller, and the aperture mouth of the side that described axially extending bore and adjustable shelf are opposing is established the Stop structure that is used for when said adjustable shelf moves away from said fixed mount cooperating with corresponding slitter edge block and corresponding slitter edge is broken away from by said recovery spool along the place.
Reclaim the axial of rotating shaft and extend along fore-and-aft direction, described fixed mount comprises the preceding supporting disk and back supporting disk that is provided with along the fore-and-aft direction spacing parallel arranging, and described axially extending bore is arranged on the supporting disk of described back, and described Stop structure is made up of said back supporting disk.
The recovery operation section of said recovery rotating shaft be shaped as the taper of stub end towards said adjustable shelf, described recovery operation section has and is used for the outer peripheral face that corresponding slitter edge directly twines.
Offer the radial direction through hole that supplies corresponding slitter edge head to pass on the recovery operation section of said recovery rotating shaft; Said recovery rotating shaft axially on; One end of said radial direction through hole extends to the stub end of said recovery operation section, and the other end communicates with the end face that said recovery rotating shaft closes on the little head end of said recovery operation section.
Said radial direction through hole is provided with near an end of said recovery operation section stub end and is used for the rolling The initial segment that corresponding slitter edge head passes.
Beneficial effect of the present invention is: the recovery operation section is rotated in the process that reclaims to corresponding slitter edge; The friction that can not stop in the rotation process process of slitter edge with the recovery operation section is impacted to beat and is pounded roller; Beat and pound roller and then impact the bob that does not stop down, beat and pound roller and in the process of beating, slitter edge is pounded the recovery operation section of putting down and being paved with the whole recovery rotating shaft in the friction of slitter edge.Beat and pound roller, do not need power especially, beat through use and pound roller slitter edge is pounded flat the recovery as a floating part with slitter edge action, simple in structure, easy to use.
Further, through in frame and beat to pound to be provided with between the roller and pound the flexible restoring organ that roller applies downward active force to beating, the scope of upwards beating that both having limited beats pounds roller, also having increased beats when pounding roller and pounding down at every turn to the active force of corresponding slitter edge.
Further, when the slitter edge coil diameter when to a certain degree needing debatching, load maintainer drives adjustable shelf towards moving away from the fixed mount direction, the slitter edge volume is broken away from the recovery spool by the Stop structure block, debatching is convenient and swift.
Further, the pyramidal structure of recovery operation section not only makes debatching be more prone to, and also makes to beat and pounds roller when slitter edge is applied active force, and slitter edge is paved with the whole recovery active section more easily.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is that A-A among Fig. 2 is to view.
The specific embodiment
The embodiment of cold-strip steel coiler for trimmings is shown in Fig. 1 ~ 3: comprise the frame that is made up of workbench 1, fixed mount 12 and adjustable shelf 9; Fixed mount 12 is fixed on the workbench 1; Workbench 1 is provided with the slide rail that guide direction is extended along front and back; On adjustable shelf 9 guiding slidable fit and the slide rail; Be provided with between adjustable shelf 9 and the fixed mount 12 and be in transmission connection with adjustable shelf 9 and drive the load cylinder 15 that adjustable shelf 9 reciprocatingly slides along slide rail, an end and the adjustable shelf 9 of load cylinder 15 are hinged and connected, and the other end and fixed mount 12 are hinged and connected.Axial limiting is rotatably equipped with the recovery rotating shaft 18 that pivot center extends along fore-and-aft direction on the adjustable shelf 9; The front end that reclaims rotating shaft 18 is provided with the recovery operation section 25 that is used to reclaim corresponding slitter edge; The rear end of reclaiming rotating shaft 18 is provided with power input section; Also be provided with a drive motors 4 that is in transmission connection through transmission mechanism and the power input section that reclaims rotating shaft 18 on the adjustable shelf 9, transmission mechanism comprises minor sprocket 6 on the power output shaft that is fixed on drive motors 4, be fixed on the hinge wheel 5 and simultaneously and driving chain big, the lower sprocket engaged transmission on the power input section that reclaims rotating shaft 18.The rear end of reclaiming rotating shaft 18 also is in transmission connection and is useful on the pneumatic tongs pan brake 48 that control recovery rotating shaft 18 commentaries on classics stop.Fixed mount 12 comprises the preceding supporting disk 22 and back supporting disk 21 that is provided with along the fore-and-aft direction spacing parallel arranging; Wherein offer confession on the supporting disk 21 of back and reclaim the axially extending bore 20 that the recovery operation section 25 of rotating shaft 18 is passed; Assembling is rotated with the back and front supporting dish respectively in axial sliding in the two ends of recovery operation section 25; The front end aperture mouth of axially extending bore 20 is provided with along the place at adjustable shelf 9 and cooperates with corresponding slitter edge volume block when moving away from fixed mount 12 directions and make the slitter edge volume by the Stop structure that reclaims disengaging in the rotating shaft 18, Stop structure by after supporting disk 21 constitute.Reclaim rotating shaft 18 recovery operation section 25 be shaped as the taper that little head end is positioned at front end; Recovery operation section 25 has the outer peripheral face that is used for the direct winding of corresponding slitter edge; On recovery operation section 25, offer the radial direction through hole 11 that supplies corresponding slitter edge head to pass, reclaim rotating shaft 18 axially on, the rear end of radial direction through hole 11 extends to the stub end of recovery operation section 25; Front end communicates with the front end face that reclaims rotating shaft 18, and the rear end of radial direction through hole 11 is provided with and is used for the rolling The initial segment that corresponding slitter edge head passes.Be provided with the guide frame that extends below on the guide direction edge in the top of recovery operation section 25 on the fixed mount 12; Guide frame comprise rotate be assemblied on the fixed mount 12 and with reclaim the dead axle 19 that rotating shaft 18 laterally arranges; Dead axle 19 is provided with head end and dead axle 19 is connected, terminal along dead axle 19 radially towards first swing arm 17 of extending away from dead axle 19 directions; The end of first swing arm 17 is equipped with to beat pounds roller; Beat and pound roller and comprise and reclaim the axle 8 of beating that rotating shaft 18 laterally arranges, beat pound roller also comprise rotate be assemblied on the axle 8 of beating and be used for recovery operation section 25 rotate when reclaiming slitter edges cooperate with corresponding slitter edge friction rolling and frictional force effect at slitter edge under the roll body 10 of bob.Beat axle 8 and roll body 10 under the guide effect of first swing arm 17 and dead axle 19, can be around the pivot center bob of dead axle 19.Also be provided with on the fixed mount 12 with beat the axle 8 spacing cooperate with control beat the axle 8 bob scopes flexible restoring organ; Flexible restoring organ comprise head end and dead axle 19 be connected, terminal along dead axle 19 radially towards second swing arm 16 of extending away from dead axle 19 directions; Flexible restoring organ also comprises the reset cylinder 14 that is provided with along the vertical direction; One end and the fixed mount 12 of reset cylinder 14 is hinged and connected, the end of the other end and second swing arm 16 is hinged and connected, and reset cylinder 14 limits the bob scope of the axle 8 of beating through the rotational angle of restriction dead axle 19.Also be provided with the slitter edge volume collecting box (not shown) that is used for slitter edge is furled collection in the frame left side, also be provided with the recovery pond that is used for the preliminary recovery of slitter edge on the frame right side.Part 7 expression thrust bearings among the figure, the drive plate of part 2 expressions and 48 transmissions of pneumatic tongs pan brake.
The band steel slitter edge that this cold-strip steel coiler for trimmings is particularly useful for thickness of slab≤0.5mm reclaims, because plate is thin more, beating, it is just good more to pound the flat effect of pounding of roller.During use this cold-strip steel coiler for trimmings is placed by the bead cutter of cold-strip steel slitting production line; When the slitter edge of cutting belt steel is reclaimed; The slitter edge that is downcut by bead cutter falls into recovery pond earlier; Preliminary slitter edge through recovery pond reclaims, and can guarantee the work of can cutting edge continuously of whole slitting production line, improves side cut efficient.Load cylinder 15 drives adjustable shelf 9 and moves towards fixed mount 12 directions; Assembling is rotated with preceding, axle supporting disk respectively in two ends until the recovery operation section 25 that reclaims rotating shaft 18; With passing in the rolling The initial segment of slitter edge head by radial direction through hole 11, drive motors 4 drives and reclaims rotating shaft 18 rotations then, and slitter edge just is wrapped on the recovery operation section 25; Roll body 10 is impacted in the friction that slitter edge does not stop in the process of twining; The bob that roll body 10 does not stop under the friction percussion of slitter edge, under the male cone (strobilus masculinus) acting in conjunction of recovery operation section 25, roll body 10 is pounded slitter edge flat rapidly and is paved with whole recovery active section 25.After slitter edge is shaped as the slitter edge volume; Load cylinder 15 drives adjustable shelf 9 towards moving away from fixed mount 12 directions; Under the block effect of back supporting disk 21; The slitter edge volume is by break away from the recovery operation section 25 smoothly, and artificial then tool using is shifted the slitter edge volume in the slitter edge volume collecting box onto, and the whole operation process is simple and convenient.The taper of recovery operation section makes that the disengaging of slitter edge volume is more smooth.
In other embodiments of the invention: the long guiding hole that the guide direction that guide frame can also be offered on fixed mount is extended along the vertical direction replaces; The axle of only need beating this moment is arranged in the long guiding hole; And if this moment long guiding hole the helical pitch long enough time, flexible restoring organ can not have yet; Certainly flexible restoring organ can also be set at the back-moving spring replacement of beating between axle and the fixed mount; The axis of axle of beating can also tilt to intersect with the axis that reclaims rotating shaft; Beat and pound roller and can also have only roll body to constitute, only need two ends with roll body be assemblied on the guide frame and get final product; Certainly can also be not slitter edge not directly be batched, but reel is reclaimed in assembling on the recovery operation section, through reclaiming reel slitter edge is batched with the outer peripheral face of recovery operation section; The form that load cylinder can also be loaded cylinder, electric pushrod or driven by motor leading screw screw transmission mechanism replaces; Drive motors also can be replaced by other power sources such as hydraulic motors; When adjustable shelf and the as a whole open frame of fixed mount, can use Expansion and Contraction Reel that slitter edge is reclaimed.

Claims (10)

1. cold-strip steel coiler for trimmings; Comprise frame and rotation be assemblied on the said frame and by the recovery rotating shaft of corresponding drive power source; Reclaim rotating shaft and be provided with the recovery operation section that is used to reclaim corresponding slitter edge; It is characterized in that: be provided with the guide frame that guide direction is extended along the vertical direction in the top of said recovery operation section on the described frame; But guiding is equipped with beating of bob and pounds roller on the described guide frame, and described beating pounded roller and be included in said recovery operation section and rotate when reclaiming slitter edge and to cooperate with corresponding slitter edge friction rolling and the roll body of bob under the frictional force effect of slitter edge.
2. cold-strip steel coiler for trimmings according to claim 1 is characterized in that: described beating pounded roller and comprised the axle of beating that directly is assemblied on the said guide frame, and described roll body rotates and is assemblied on the described axle of beating.
3. cold-strip steel coiler for trimmings according to claim 1 is characterized in that: also be provided with on the described frame with said beat to pound spacing cooperation of roller pound upwards beat scope and pound the flexible restoring organ that roller applies downward active force of roller to said beating to limit said beating.
4. cold-strip steel coiler for trimmings according to claim 3; It is characterized in that: described guide frame comprises and rotates the dead axle be assemblied on the said frame and be provided with said recovery shaft parallel; Described dead axle is provided with head end and said dead axle is connected, terminal radially court is away from first swing arm of said dead axle direction extension along said dead axle, and described beating pounded the end that roller is installed in said first swing arm.
5. cold-strip steel coiler for trimmings according to claim 4; It is characterized in that: also be provided with on the described dead axle head end and said dead axle be connected, terminal along said dead axle radially towards second swing arm of extending away from said dead axle direction; Described flexible restoring organ comprises along the vertical direction the reset cylinder that is provided with, and an end and the described frame of said reset cylinder is hinged and connected, the end of the other end and said second swing arm is hinged and connected.
6. according to any described cold-strip steel coiler for trimmings of claim 1 ~ 5; It is characterized in that: described frame comprises workbench and is arranged at fixed mount and the adjustable shelf on the workbench; Described fixed mount fixedly is assemblied on the described workbench; Described workbench is provided with the slide rail of guide direction and the setting of said recovery shaft parallel; Described adjustable shelf guiding slidable fit is on described slide rail; Be provided with between described fixed mount and said adjustable shelf and be in transmission connection with said adjustable shelf and drive said adjustable shelf along the reciprocating load maintainer of said slide rail; Described beating pounded roller and guide frame all is arranged on the described fixed mount; Being assemblied on the described adjustable shelf of described recovery rotating shaft axial limiting, described fixed mount are provided with that the recovery operation section that supplies said recovery rotating shaft is passed and said the beating that arrive pounded the axially extending bore under the roller, and the aperture mouth of the side that described axially extending bore and adjustable shelf are opposing is established the Stop structure that is used for when said adjustable shelf moves away from said fixed mount cooperating with corresponding slitter edge block and corresponding slitter edge is broken away from by said recovery spool along the place.
7. cold-strip steel coiler for trimmings according to claim 6; It is characterized in that: reclaim the axial of rotating shaft and extend along fore-and-aft direction; Described fixed mount comprises the preceding supporting disk and back supporting disk that is provided with along the fore-and-aft direction spacing parallel arranging; Described axially extending bore is arranged on the supporting disk of described back, and described Stop structure is made up of said back supporting disk.
8. cold-strip steel coiler for trimmings according to claim 6; It is characterized in that: the recovery operation section of said recovery rotating shaft be shaped as the taper of stub end towards said adjustable shelf, described recovery operation section has and is used for the outer peripheral face that corresponding slitter edge directly twines.
9. cold-strip steel coiler for trimmings according to claim 6; It is characterized in that: offer the radial direction through hole that supplies corresponding slitter edge head to pass on the recovery operation section of said recovery rotating shaft; Said recovery rotating shaft axially on; One end of said radial direction through hole extends to the stub end of said recovery operation section, and the other end communicates with the end face that said recovery rotating shaft closes on the little head end of said recovery operation section.
10. cold-strip steel coiler for trimmings according to claim 9 is characterized in that: said radial direction through hole is provided with near an end of said recovery operation section stub end and is used for the rolling The initial segment that corresponding slitter edge head passes.
CN201210090124.4A 2012-03-30 2012-03-30 Coiler for trimmings of cold-rolling strip steel Expired - Fee Related CN102615104B (en)

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Application Number Priority Date Filing Date Title
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CN102615104B CN102615104B (en) 2015-04-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104607495A (en) * 2015-01-30 2015-05-13 邯钢集团邯宝钢铁有限公司 Device for coiling and tensioning scrap edges of strip steel
CN105668319A (en) * 2016-03-21 2016-06-15 安徽众源新材料股份有限公司 Waste edge winding device for copper strip slitting
CN110802131A (en) * 2019-10-29 2020-02-18 蒋浩然 Slitter edge bundling equipment of cold-rolled strip steel acid rolling unit
WO2021128372A1 (en) * 2019-12-28 2021-07-01 江苏亚威机床股份有限公司 Sheet material scrap edge processing apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448097A (en) * 1945-06-06 1948-08-31 Morgan Construction Co Cobble bundler
CN86107620A (en) * 1985-11-11 1987-05-20 Sms舒路曼-斯玛公司 The lifting of the band steel pressure roller of the hot up-coiler of controlled rolling band steel and compress the device of motion
US4732345A (en) * 1986-10-30 1988-03-22 Golden Sammy L Hose reel
DE3937992C1 (en) * 1989-11-15 1991-02-21 Sundwiger Eisenhuette Maschinenfabrik Grah & Co, 5870 Hemer, De
CN201143523Y (en) * 2007-12-17 2008-11-05 中冶南方工程技术有限公司 Slitter edge automatic processing system
CN101723198A (en) * 2009-12-11 2010-06-09 北京中冶设备研究设计总院有限公司 Slitter edge coiling machine with gripping manipulator and process
CN201579302U (en) * 2009-12-31 2010-09-15 中冶南方工程技术有限公司 Reel-moving mechanism for coiler for trimmings
CN201632511U (en) * 2009-12-28 2010-11-17 威台机械(上海)有限公司 Tension-free coiler for trimmings

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448097A (en) * 1945-06-06 1948-08-31 Morgan Construction Co Cobble bundler
CN86107620A (en) * 1985-11-11 1987-05-20 Sms舒路曼-斯玛公司 The lifting of the band steel pressure roller of the hot up-coiler of controlled rolling band steel and compress the device of motion
US4732345A (en) * 1986-10-30 1988-03-22 Golden Sammy L Hose reel
DE3937992C1 (en) * 1989-11-15 1991-02-21 Sundwiger Eisenhuette Maschinenfabrik Grah & Co, 5870 Hemer, De
CN201143523Y (en) * 2007-12-17 2008-11-05 中冶南方工程技术有限公司 Slitter edge automatic processing system
CN101723198A (en) * 2009-12-11 2010-06-09 北京中冶设备研究设计总院有限公司 Slitter edge coiling machine with gripping manipulator and process
CN201632511U (en) * 2009-12-28 2010-11-17 威台机械(上海)有限公司 Tension-free coiler for trimmings
CN201579302U (en) * 2009-12-31 2010-09-15 中冶南方工程技术有限公司 Reel-moving mechanism for coiler for trimmings

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104607495A (en) * 2015-01-30 2015-05-13 邯钢集团邯宝钢铁有限公司 Device for coiling and tensioning scrap edges of strip steel
CN104607495B (en) * 2015-01-30 2016-05-25 邯钢集团邯宝钢铁有限公司 A kind of band steel slitter edge batches tensioning apparatus
CN105668319A (en) * 2016-03-21 2016-06-15 安徽众源新材料股份有限公司 Waste edge winding device for copper strip slitting
CN110802131A (en) * 2019-10-29 2020-02-18 蒋浩然 Slitter edge bundling equipment of cold-rolled strip steel acid rolling unit
WO2021128372A1 (en) * 2019-12-28 2021-07-01 江苏亚威机床股份有限公司 Sheet material scrap edge processing apparatus

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