CN203679412U - Lateral clearance adjusting mechanism for high-precision circle shear - Google Patents

Lateral clearance adjusting mechanism for high-precision circle shear Download PDF

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Publication number
CN203679412U
CN203679412U CN201420038725.5U CN201420038725U CN203679412U CN 203679412 U CN203679412 U CN 203679412U CN 201420038725 U CN201420038725 U CN 201420038725U CN 203679412 U CN203679412 U CN 203679412U
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bearing
sideshake
shaft
guiding mechanism
slide block
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景群平
冀俊杰
许展望
张勇安
周德奇
张康武
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China National Heavy Machinery Research Institute Co Ltd
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China National Heavy Machinery Research Institute Co Ltd
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Abstract

The utility model belongs to the field of finishing equipment in the metallurgical industry, and particularly relates to a lateral clearance adjusting mechanism for a high-precision circle shear. The mechanism comprises a machine frame, a supporting shaft, an upper cutter shaft arranged on the supporting shaft in a sleeved mode, a rear bearing and a front bearing, wherein the rear bearing and the front bearing are connected to the supporting shaft in a sleeved mode from the right end of the supporting shaft in sequence and located on the left side of the upper cutter shaft, the upper cutter shaft is sleeved with the inner ring of the front bearing and the inner ring of the rear bearing, the outer ring of the rear bearing is sleeved with a bearing sleeve, and the bearing sleeve and the front bearing are sleeved with an eccentric sleeve. The mechanism further comprises a main transmission power device and a forked wedge adjusting structure. According to the mechanism, lateral clearance adjustment can be achieved for an upper shear edge and a lower shear edge, and power shearing can be achieved by leading the upper cutter shaft out of the lateral clearance adjusting mechanism to be connected with a power transmission device; high-precision lateral clearance adjustment is achieved with the direct detection and closed-loop control combined type large-reduction-ratio adjusting method.

Description

A kind of high accuracy disk that is used for is cut sideshake guiding mechanism
Technical field
The utility model belongs to the finishing equipment field of metallurgy industry, is specifically related to one and cuts sideshake guiding mechanism for high accuracy disk.
Background technology
At finishing production line (rewinding, slitting, straightening, the units such as pickling) in, shear burr size when one of important indicator of finished product board quality is circle shear shearing, for high-quality Strip, it is even less that user requires shearing area burr height can not exceed 0.02mm, this just requires except the synthesis precision height of rotary shear equipment itself, also want cutting edge sideshake to adjust numerical value accurate, simultaneously, along with the continuous upgrading of steel quality, production technology is more and more universal to the configuration requirement of double dynamical circle shear, like this, the sideshake adjustment of circle shear just seems more important.
Utility model content
The purpose of this utility model is to provide a kind of fork-shaped Wedge type mechanism for axial adjusting of cutting for high accuracy disk, simple in structure, easy to operate, also there is big retarding simultaneously and combine than with direct-detection, attached side clearance adjustment that can done with high accuracy circle shear with closed-loop control.
For this reason, the utility model provides a kind of and has cut sideshake guiding mechanism for high accuracy disk, comprise main transmission power source, connecting the back shaft of main transmission power source, be socketed in successively rear bearing and the fore bearing back shaft from right-hand member by scalable ball cage shaft coupling, the cutter shaft of upper cutter shaft is fixed on the inner ring of fore bearing and rear bearing, the outer ring sleeve of rear bearing has bearing holder (housing, cover), bearing holder (housing, cover) and fore bearing are enclosed within eccentric bushing inner side, also comprise power set, ball screw assembly,, nut seat, line slideway I, line slideway II and transition connecting disc;
Described transition connecting disc is connected to bearing holder (housing, cover) left end, and back shaft level is through transition connecting disc center;
Described power set connect the ball screw assembly, driving straight down, and the pair of nut of ball screw assembly, and the screwed hole of nut seat spin by screw thread, and described nut seat bottom has the horizontal through hole passing for back shaft;
Described line slideway I is dynamically connected and is formed by slide block and track sliding, and line slideway II is dynamically connected and is formed by inclined plane slide block and inclined-plane track sliding, and the right side of slide block and the left side of inclined plane slide block are fixedly connected on respectively left side and the right side of nut seat; The right side of inclined plane slide block is inclined-plane, and the inclined-plane track of answering is in contrast also for inclined-plane, and relative with inclined plane slide block left side and be set parallel to each other, and inclined-plane track is fixedly connected with transition connecting disc left side.
Described power set are that sideshake is adjusted gear motor and elastic dowel pin shaft coupling, and the output shaft of sideshake adjustment gear motor straight down, is connected and driven ball screw assembly, by elastic dowel pin shaft coupling.
Also comprise electric control system, described electric control system is made up of the drive motors of controller, frequency converter, driving sideshake adjustment gear motor, the displacement transducer of measurement sideshake adjustment, displacement transducer probe or gage outfit directly contact with transition connecting disc, and displacement transducer and described controller electrically connect, controller is connected and is controlled drive motors by frequency converter.
Described power set are rotary handle, and described rotary handle connects driving ball screw assembly.
The track of described line slideway I is arranged on base, and described base sheath is on back shaft, and base is rigidly fixed in the frame of circle shear.
Between the described bearing holder (housing, cover) left side inner face shaft shoulder and outer face, the transition connecting disc right side shaft shoulder, be provided with two-direction thrust bearing.
Described fore bearing is the cylinder roller bearing that allows the Internal and external cycle changing of the relative positions to axial, and rear bearing is roller bearing or the combination bearing that can bear axial force.
Described nut seat, the aperture D that crosses the through hole that terminal pad and base pass for back shaft meet:
Figure 634216DEST_PATH_IMAGE001
In formula:
Figure 223461DEST_PATH_IMAGE002
-cutter shaft power transmission shaft the diameter that passes in above-mentioned position, unit: mm
Figure 268777DEST_PATH_IMAGE003
the offset of-eccentric bushing, unit: mm
Figure 100205DEST_PATH_IMAGE004
-cutter shaft power transmission shaft at an arbitrary position with the minimum clearance in above-mentioned three apertures, place, unit: mm.
The utility model provides thisly cuts sideshake guiding mechanism for high accuracy disk, because fork-shaped Wedge type mechanism for axial adjusting has adopted high rigidity, high pre-sigma compactness and high-accuracy roller line slideway coordinate high-precision two-direction thrust bearing and cutter shaft to rotate the executive component of radial journal bearing as sideshake guiding mechanism, execute bit displacement sensor is directly connected on axially movable part as detecting element, adopt frequency control, closed-loop control and direct-detection are as control program, both realized the high accuracy adjustment of circle shear sideshake, also realized power shearing.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is sideshake guiding mechanism assembling schematic diagram.
Fig. 3 is line slideway I structural representation.
Fig. 4 is line slideway II structural representation.
Description of reference numerals: 1, sideshake is adjusted gear motor; 2, elastic dowel pin shaft coupling; 3, ball screw assembly; 4, nut seat; 5 line slideway I; 6, main transmission power source; 7, scalable ball cage shaft coupling; 8, line slideway II; 9, checkout gear; 10, transition connecting disc; 11, bearing holder (housing, cover); 12, eccentric bushing; 13, upper cutter shaft; 14, fore bearing; 15, rear bearing; 16, base; 17, two-direction thrust bearing; 18, back shaft; 19, guide rail; 20, slide block; 21, inclined plane slide block; 22, surface rail.
The specific embodiment
A kind of high accuracy disk that is used for is cut sideshake guiding mechanism, as shown in Figure 1, comprise main transmission power source 6, connecting the back shaft 18 of main transmission power source 6 by scalable ball cage shaft coupling 7, be socketed in successively rear bearing 15 and the fore bearing 14 back shaft 18 from right-hand member, the cutter shaft of upper cutter shaft 13 is fixed on the inner ring of fore bearing 14 and rear bearing 15, the outer ring sleeve of rear bearing 15 has bearing holder (housing, cover) 11, bearing holder (housing, cover) 11 and fore bearing 14 are enclosed within eccentric bushing 12 inner sides, also comprise power set, ball screw assembly, 3, nut seat 4, line slideway I 5, line slideway II 8 and transition connecting disc 10, transition connecting disc 10 is connected to bearing holder (housing, cover) 11 left ends, and back shaft 18 levels are through transition connecting disc 10 centers, described power set connect the ball screw assembly, 3 driving straight down, and the screwed hole of the pair of nut of ball screw assembly, 3 and nut seat 4 spins by screw thread, and described nut seat 4 bottoms have the horizontal through hole passing for back shaft 18, line slideway I 5 is slidably connected and is formed by slide block 20 and track 19, and line slideway II 8 is slidably connected and is formed by inclined plane slide block 21 and inclined-plane track 22, and the left side of the right side of slide block 20 and inclined plane slide block 21 is fixedly connected on respectively left side and the right side of nut seat 4, the right side of inclined plane slide block 21 is inclined-plane, and the inclined-plane track 22 of answering is in contrast also for inclined-plane, and relative with inclined plane slide block 21 left sides and be set parallel to each other, and inclined-plane track 22 is fixedly connected with transition connecting disc 10 left sides.
The track 19 of line slideway I 5 is arranged on base 16, and described base 16 is enclosed within on back shaft 18, and base 16 is rigidly fixed in the frame of circle shear.
Between the described bearing holder (housing, cover) 11 left side inner face shaft shoulders and transition connecting disc 10 outer face, the right side shaft shoulders, be provided with two-direction thrust bearing 17.Described fore bearing 14 is for allowing the cylinder roller bearing of the Internal and external cycle changing of the relative positions to axial, and rear bearing 15 is for bearing roller bearing or the combination bearing of axial force.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, power set drive ball screw assembly, 3 and the screwed hole of nut seat 4 to spin by screw thread, nut seat 4 is adjusted up and down under ball screw assembly, 3 turning efforts, in the time of nut seat 4 action downwards, the inclined plane slide block 21 that nut seat 4 connects can make inclined-plane track 22 move right, then transition connecting disc 10 impeller-hub bearing sleeves 11, fore bearing 14 and rear bearing 15 move right in eccentric bushing 12 inside, the adjusting to the right of cutter shaft 13 in realization; Otherwise, in the time that nut seat 4 upwards moves, the adjusting left of cutter shaft 13 in realization.
In the present embodiment, main transmission power source 6 provides the power of a rotation to upper cutter shaft 13 by scalable ball cage shaft coupling 7 and back shaft 18, has realized power shearing.
Described power set are that sideshake is adjusted gear motor 1 and elastic dowel pin shaft coupling 2, the output shaft of sideshake adjustment gear motor 1 straight down, connect and drive ball screw assembly, 3 by elastic dowel pin shaft coupling 2, in addition, this sideshake guiding mechanism also comprises electric control system, described electric control system is by controller, frequency converter, drive sideshake to adjust the drive motors of gear motor 1, the displacement transducer 9 of measuring sideshake adjustment forms, displacement transducer 9 probes or gage outfit directly contact with transition connecting disc 10, and displacement transducer 9 electrically connects with described controller, controller is connected and is controlled drive motors by frequency converter.
Adopt high-precision displacement transducer 9 directly to measure, the error effect of having avoided indirect measurement to bring; Sideshake is adjusted gear motor 1 makes lap adjust operation steady by VFC, for improving control accuracy, adopts two step velocity controls, adopts fair speed at the initial period of adjusting, and in the time approaching desired value, then adopts compared with low velocity; Realize position closed loop control by controller, desired value is compared with the actual value that displacement transducer detects all the time, according to comparative result, send corresponding speed and control drive motors to frequency converter, thereby realize the accurate control that sideshake is adjusted.
In the present embodiment, adopt gear motor to realize big retarding ratio with Wedge mechanism, selecting according to being of described big retarding ratio: suppose the adjustment precision≤± E of sideshake, whether the distance out of service of motor driving side clearance adjustment mechanism meets required precision in the time that this only considers motor in rated speed.If can meet adjustment required precision under this kind of state, so, no matter be the adjustment distance of manually pressing once-through operation button under electric model, or under automatic mode, send the adjustment distance of shutting down after cut-offing instruction etc. and all can meet required precision.
In order to meet the adjustment precision≤± E of above-mentioned sideshake, the range ability that motor driving side clearance adjustment mechanism stops when a rated speed so must not exceed 1/8 ~ 1/5E, and we get 1/8E.
Figure 586681DEST_PATH_IMAGE005
In formula:
Figure 674723DEST_PATH_IMAGE006
-motor drops to the dwell time of zero-speed, unit: min from rated speed;
Figure 879439DEST_PATH_IMAGE007
-drive motors input speed, unit: rpm;
Figure 16022DEST_PATH_IMAGE008
the speed reducing ratio of-gear motor;
Figure 419322DEST_PATH_IMAGE009
the helical pitch of-ball-screw, unit: mm/r;
the equivalent speed reducing ratio of-tapered wedges.
Figure 806495DEST_PATH_IMAGE011
, wherein
Figure 543507DEST_PATH_IMAGE012
for the gradient of tapered wedges, unit: degree (o);
the adjustment precision of-sideshake, unit: mm.
For guaranteeing the realization of sideshake adjustment precision, need to determine total transmission speed ratio of the science economy of guiding mechanism.The adjustment modes (automatic operation mode and electric operation mode) of overall ratio and sideshake, type of drive (frequency conversion drive/servo-drive or exchange driving) are relevant with control mode (closed-loop control and open loop control), get total transmission speed ratio 2000 ~ 6000 left and right and can meet high-precision realization in the utility model.
In addition, power set also can be set to rotary handle simply, described rotary handle connects driving ball screw assembly, 3, utilizes like this micrometer or Centigrade scale to measure sideshake, and recycling rotary handle also can be realized the adjusting of sideshake simply.
For guaranteeing that main transmission power source 6 can carry out power conduction with upper cutter shaft 13, described nut seat 4, the aperture D that crosses the through hole that terminal pad 10 and base 16 pass for back shafts 18 meet:
Figure 372103DEST_PATH_IMAGE001
In formula: -cutter shaft power transmission shaft the diameter that passes in above-mentioned position, unit: mm
Figure 325070DEST_PATH_IMAGE003
the offset of-eccentric bushing, unit: mm
Figure 968541DEST_PATH_IMAGE004
-cutter shaft power transmission shaft at an arbitrary position with the minimum clearance in above-mentioned three apertures, place, unit: mm.
And, generally at the axle head of upper cutter shaft 13, a freewheel clutch can be installed and carry out the switching of force moment protection under duty or duty.Just main transmission power source 6 can be delivered to upper cutter shaft 13 by this structure, the active rotation shearing motion of cutter shaft 13 in realization.In the time that upper cutter shaft 13 does not apply power source, do not work in transfer motion power source 6, is now passive cutting.
More than exemplifying is only to illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, within the every and same or analogous design of the utility model all belongs to protection domain of the present utility model.

Claims (8)

1. cut sideshake guiding mechanism for high accuracy disk for one kind, comprise main transmission power source (6), connecting the back shaft (18) of main transmission power source (6) by scalable ball cage shaft coupling (7), be socketed in successively rear bearing (15) and the fore bearing (14) back shaft (18) from right-hand member, the cutter shaft of upper cutter shaft (13) is fixed on the inner ring of fore bearing (14) and rear bearing (15), the outer ring sleeve of rear bearing (15) has bearing holder (housing, cover) (11), bearing holder (housing, cover) (11) and fore bearing (14) are enclosed within eccentric bushing (12) inner side, it is characterized in that: also comprise power set, ball screw assembly, (3), nut seat (4), line slideway I (5), line slideway II (8) and transition connecting disc (10),
Described transition connecting disc (10) is connected to bearing holder (housing, cover) (11) left end, and back shaft (18) level is through transition connecting disc (10) center;
Described power set connect the ball screw assembly, (3) driving straight down, and the screwed hole of the pair of nut of ball screw assembly, (3) and nut seat (4) spins by screw thread, and described nut seat (4) bottom has the horizontal through hole passing for back shaft (18);
Described line slideway I (5) is slidably connected and is formed by slide block (20) and track (19), line slideway II (8) is slidably connected and is formed by inclined plane slide block (21) and inclined-plane track (22), and the left side of the right side of slide block (20) and inclined plane slide block (21) is fixedly connected on respectively left side and the right side of nut seat (4); The right side of inclined plane slide block (21) is inclined-plane, and the inclined-plane track (22) of answering is in contrast also for inclined-plane, and relative with inclined plane slide block (21) left side and be set parallel to each other, and inclined-plane track (22) is fixedly connected with transition connecting disc (10) left side.
2. sideshake guiding mechanism as claimed in claim 1, it is characterized in that: described power set are that sideshake is adjusted gear motor (1) and elastic dowel pin shaft coupling (2), the output shaft of sideshake adjustment gear motor (1) straight down, is connected and is driven ball screw assembly, (3) by elastic dowel pin shaft coupling (2).
3. sideshake guiding mechanism as claimed in claim 2, it is characterized in that: also comprise electric control system, described electric control system is made up of the drive motors of controller, frequency converter, driving sideshake adjustment gear motor (1), the displacement transducer (9) that measurement sideshake is adjusted, displacement transducer (9) probe or gage outfit directly contact with transition connecting disc (10), and displacement transducer (9) electrically connects with described controller, controller is connected and is controlled drive motors by frequency converter.
4. sideshake guiding mechanism as claimed in claim 1, is characterized in that: described power set are rotary handle, and described rotary handle connects driving ball screw assembly, (3).
5. sideshake guiding mechanism as claimed in claim 1, it is characterized in that: the track (19) of described line slideway I (5) is arranged on base (16), it is upper that described base (16) is enclosed within back shaft (18), and base (16) is rigidly fixed in the frame of circle shear.
6. sideshake guiding mechanism as claimed in claim 1, is characterized in that: between described bearing holder (housing, cover) (11) the left side inner face shaft shoulder and transition connecting disc (10) outer face, the right side shaft shoulder, be provided with two-direction thrust bearing (17).
7. sideshake guiding mechanism as claimed in claim 1, is characterized in that: described fore bearing (14) is for allowing the cylinder roller bearing of the Internal and external cycle changing of the relative positions to axial, and rear bearing (15) is for bearing roller bearing or the combination bearing of axial force.
8. sideshake guiding mechanism as claimed in claim 1, is characterized in that: described nut seat (4), the aperture D that crosses the through hole that terminal pad (10) and base (16) pass for back shaft (18) meet:
Figure 2014200387255100001DEST_PATH_IMAGE001
In formula:
Figure 911435DEST_PATH_IMAGE002
-cutter shaft power transmission shaft the diameter that passes in above-mentioned position, unit: mm
Figure DEST_PATH_IMAGE003
the offset of-eccentric bushing, unit: mm
Figure 76575DEST_PATH_IMAGE004
-cutter shaft power transmission shaft at an arbitrary position with the minimum clearance in above-mentioned three apertures, place, unit: mm.
CN201420038725.5U 2014-01-22 2014-01-22 Lateral clearance adjusting mechanism for high-precision circle shear Withdrawn - After Issue CN203679412U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103785892A (en) * 2014-01-22 2014-05-14 中国重型机械研究院股份公司 Lateral clearance adjustment mechanism used for high precision disk shears
CN104889476A (en) * 2014-09-19 2015-09-09 襄阳博亚精工装备股份有限公司 Precise adjustment spacer ring device
CN105606361A (en) * 2016-01-28 2016-05-25 上海交通大学 Adjustable gap experiment platform
CN106289143A (en) * 2016-08-15 2017-01-04 南京钢铁股份有限公司 A kind of scrap cutter gap correct measurement device of circle shear
CN107030337A (en) * 2017-05-10 2017-08-11 仪征海天铝业有限公司 A kind of aluminium bar stripper
CN107639930A (en) * 2016-07-21 2018-01-30 苏州盛诺邦自动化科技有限公司 A kind of light guide plate hot pressing rubber roll and steel rider spacing precise regulation mechanism

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103785892A (en) * 2014-01-22 2014-05-14 中国重型机械研究院股份公司 Lateral clearance adjustment mechanism used for high precision disk shears
CN103785892B (en) * 2014-01-22 2016-03-16 中国重型机械研究院股份公司 A kind of for high accuracy circle shear sideshake guiding mechanism
CN104889476A (en) * 2014-09-19 2015-09-09 襄阳博亚精工装备股份有限公司 Precise adjustment spacer ring device
CN105606361A (en) * 2016-01-28 2016-05-25 上海交通大学 Adjustable gap experiment platform
CN105606361B (en) * 2016-01-28 2019-02-19 上海交通大学 Adjustable clearance experiment porch
CN107639930A (en) * 2016-07-21 2018-01-30 苏州盛诺邦自动化科技有限公司 A kind of light guide plate hot pressing rubber roll and steel rider spacing precise regulation mechanism
CN107639930B (en) * 2016-07-21 2020-06-16 苏州盛诺邦自动化科技有限公司 Accurate adjustment mechanism of light guide plate hot pressing rubber roll and steel roll interval
CN106289143A (en) * 2016-08-15 2017-01-04 南京钢铁股份有限公司 A kind of scrap cutter gap correct measurement device of circle shear
CN107030337A (en) * 2017-05-10 2017-08-11 仪征海天铝业有限公司 A kind of aluminium bar stripper

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Granted publication date: 20140702

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