CN2841214Y - Clippings shearing device capable of regulating overlap quantity - Google Patents
Clippings shearing device capable of regulating overlap quantity Download PDFInfo
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- CN2841214Y CN2841214Y CN 200520047084 CN200520047084U CN2841214Y CN 2841214 Y CN2841214 Y CN 2841214Y CN 200520047084 CN200520047084 CN 200520047084 CN 200520047084 U CN200520047084 U CN 200520047084U CN 2841214 Y CN2841214 Y CN 2841214Y
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- lap
- power transmission
- transmission shaft
- blade
- scrap cutter
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Abstract
The utility model relates to a clipping shearing device which can adjust overlap quantity, which comprises a transmission device, a shearing device and a clearance adjusting device, wherein the transmission device comprises an upper and a lower transmission shafts, a pair of engaged helical gears and a shaft connector. The shearing device comprises an upper and a lower cutter heads, and an upper and a lower cutter blades; the shearing edges of the upper and the lower cutter blades are oblique shearing edges and respectively form an oblique wedge shape. The clipping shearing device which can adjust overlapped quantity, provided by the utility model, can simultaneously and linearly adjust the overlapped quantity when adjusting the gap of the cutter blades when clipping shears shear band steel having different specifications; accordingly, the utility model has the advantages of effectively extending the service life of the cutter blades of the clipping shears, reducing the replacement times, reducing the production cost and improving the production efficiency.
Description
Technical field
The utility model relates to a kind of scrap cutter device of regulating lap.
Background technology
The pickling unit is the first working procedure that cold-rolled products are produced, and its main task is to remove the iron scale on hot-strip surface, and rolling for the unit continuation of road, back, its rolling thickness is 1.8-6mm.The pickling unit is also being born the task of the preliminary scale of hot rolling material simultaneously, it can guarantee for the pickling machine set product provides width on the one hand, can be rolling the providing convenience of continuation of road, back unit also on the one hand, so that remove some undesirable elements that strip edge edge part such as is split in for example burr, little limit.After the circle shear of pickling unit will be with steel to be cropped to corresponding specification as requested, scrap cutter was cut into the broken limit of the strip of shearing a bit of again, so that enter the waste material bucket.
As shown in Figure 1, structural representation for scrap cutter, it comprises upper and lower two cutter shafts 11 ', be respectively arranged with cutterhead 2 ' on the upper and lower cutter shaft 11 ', blade 1 ' is installed in each insert groove of cutterhead 2 ', fix by inclined plate 3 ', the position of blade 1 ' can be regulated by pad 4 ', pad 5 '.
Scrap cutter is the adjustment of carrying out gap blade by the worm and gear system.Drive the worm and gear system by motor, helical gear on upper and lower two cutter shafts 11 ' and the cutter shaft 11 ' is advanced vertically or pulls out, make two pitch face generation relative rotary motion, relative displacement takes place in the blade 1 ' that drives on upper and lower two cutterheads 2 ', thereby regulates the blade side gap.
But there is following shortcoming in present scrap cutter: because the radial position d of upper and lower two cutterheads 2 ' can't change, so after blade 1 ' and cutterhead 2 ' were fixing, the lap that scrap cutter is sheared was difficult to regulate.
Only can come the gap of corresponding adjusting scrap cutter blade according to the different size of band steel at present, it is as shown in table 1 that situation is adjusted in its gap:
| Belt steel thickness | The gap blade of scrap cutter |
| 1.8～3mm | 0.3 |
| 3～4mm | 0.4mm |
| 4～5mm | 0.5 |
| 5～6mm | 0.6mm |
Parameter is adjusted in table 1, scrap cutter gap
But because in actual applications, the lap of scrap cutter is non-adjustable, make when shearing the band steel of all specifications, all use identical lap, this is also unreasonable on technology, not only aggravate the wear extent of blade 1 ', accelerated the speed that blade 1 ' is changed, caused the cost of blade 1 ' to rise; Simultaneously; because the unreasonable setting of lap; make blade 1 ' accelerate blunt mouthful of speed; and blunt mouthful blade can not cut off the broken limit of band steel fully; can cause the obstruction of scrap cutter, waste material bucket, the shutdown that causes thus is to change blade 1 '; greatly reduce production efficiency especially, brought suitable economic loss to cold-rolling pickling line.
Summary of the invention
A kind of scrap cutter device of regulating lap that the utility model provides, by changing the form of scrap cutter blade, make scrap cutter when shearing the band steel of different size, when adjusting gap blade, its lap of adjusting that can be linear, thereby the service life of effectively improving the scrap cutter blade reduce and change number of times, reduce production costs, enhance productivity.
For reaching above-mentioned purpose, the utility model provides a kind of scrap cutter device of regulating lap, and it comprises transmission device, shear and lash adjusting device;
Described transmission device comprises upper and lower power transmission shaft, the helical gear of pair of meshing and shaft joint; This upper and lower power transmission shaft is installed in the reduction box body; This is installed in middle part on this upper and lower power transmission shaft respectively to helical gear, in order to transmitted load with distribute moment; This shaft joint is installed on the lower drive shaft, transmits the power that is provided by motor, for whole scrap cutter device provides power;
Described shear comprises upper and lower cutterhead, upper and lower blade; Described upper and lower cutterhead employing matched in clearance correspondence respectively is sleeved on the upper and lower power transmission shaft; Described upper and lower blade is corresponding respectively to be installed in the insert groove of upper and lower cutterhead, fixes by inclined plate;
The cutting edge of described upper and lower blade is respectively oblique cutting edge, and promptly upper and lower blade is oblique wedge formula;
Described upper and lower cutterhead and upper and lower power transmission shaft are respectively by the key transmitted load;
Described lash adjusting device is installed on the power transmission shaft, it comprises intermeshing worm gear and worm screw, this worm screw is connected with last power transmission shaft, drive worm gear by motor and rotate, by with the worm gear engaged worm, rotary power is passed to power transmission shaft, the helical gear that drives engagement rotates, and makes two pitch face generation relative rotary motion, makes upper and lower cutterhead rotation, and advance vertically or pull out, thereby regulate the gap of upper and lower blade.
Further, the oblique contract angle of described upper and lower blade is 12 °～25 °; When lash adjusting device is regulated gap blade, helical gear helical angle makes the axial location of upper and lower blade also be in variable condition simultaneously, because the cutting edge of this upper and lower blade is oblique wedge formula, so the lap of blade can carry out linear regulation along with the variation of blade axial location.
The scrap cutter device of the lap regulated that the utility model provides has the following advantages:
1, do not change the transmission device of original scrap cutter, utilize the oblique contract principle of blade, make lap to regulate, invest for a short time, effect is remarkable, and is workable.
2, because the blade lap of scrap cutter is adjustable, optimize shearing technology, made prolong the service life of blade, saved the cost of blade.
3, owing to prolonged the service life of blade, make the cycle of changing blade also prolong, reduced because of maintenance, changed the downtime that blade caused, improved the shear efficiency of slitter edge greatly.
4, reduced owing to shear the unreasonable blade abrasion that causes of lap, simultaneously also correspondingly reduced that the broken limit of therefore causing can't be cut off fully and the scrap cutter that causes, the number of stoppages that the waste material bucket stops up, reduced potential safety hazard, improved the security of producing.
Description of drawings
Fig. 1 is the structural representation of existing scrap cutter device in the background technology.
The structural representation of the scrap cutter device of the lap regulated that Fig. 2 provides for the utility model.
Fig. 3 is the schematic diagram that oblique wedge becomes for the cutting edge of upper and lower blade in the utility model.
Fig. 4 is the gap of blade and the schematic diagram of lap.
The specific embodiment
Following according to Fig. 2 and Fig. 3, specify a kind of preferred forms of the present utility model:
As shown in Figure 2, the structural representation of the scrap cutter device of the lap regulated that provides for the utility model, it comprises transmission device, shear and lash adjusting device 8;
Described transmission device comprises power transmission shaft 31, lower drive shaft 32, the helical gear 21,22 and the shaft joint 7 of pair of meshing; Upward power transmission shaft 31, lower drive shaft 32 are installed in reduction box body interior 1; This is installed in middle part on power transmission shaft 31 on this, the lower drive shaft 32 respectively to helical gear 21,22, in order to transmitted load with distribute moment; This shaft joint 7 is installed on the lower drive shaft 32, transmits the power that is provided by motor, for whole scrap cutter device provides power;
Described shear comprises upper tool pan 41, following cutterhead 42, cutter 51, bottom knife 52; Described upper tool pan 41, following cutterhead 42 employing matched in clearance correspondence respectively are sleeved on power transmission shaft 31, the lower drive shaft 32; Described cutter 51, bottom knife 52 correspondence respectively are installed in the insert groove of upper tool pan 41, following cutterhead 42, fix by inclined plate;
The cutting edge of described cutter 51, bottom knife 52 is respectively oblique cutting edge, and promptly cutter 51, bottom knife 52 are oblique wedge formula;
Described upper tool pan 41 and last power transmission shaft 31, following cutterhead 42 passes through key 61 and key 62 transmitted loads respectively with lower drive shaft 32;
Described lash adjusting device 8 is installed on the power transmission shaft 31, it comprises intermeshing worm gear 9 and worm screw 10, this worm screw 10 is connected with last power transmission shaft 31, driving worm gear 9 by motor rotates, by with worm gear 9 engaged worm 10, rotary power is passed to power transmission shaft 31, the helical gear 21,22 that drives engagement rotates, make two pitch face generation relative rotary motion, make upper tool pan 41, cutterhead 42 rotations down, and advance vertically or pull out, thereby the gap of adjusting cutter 51 and bottom knife 52.
Further, the oblique contract angle of described cutter 51, bottom knife 52 is 12 °～25 °; When lash adjusting device 8 is regulated gap blade, the helical angle of helical gear 21,22 makes the axial location of cutter 51 and bottom knife 52 also be in variable condition simultaneously, because the cutting edge of this cutter 51 and bottom knife 52 is oblique wedge formula, so the lap of blade can carry out linear regulation along with the variation of blade axial location, as shown in Figure 3.
Below data by 3 groups of actual measurements and desirable gap and the technological parameter of lap adjustment compare:
At first, it is as shown in table 2 that desirable gap blade and lap are adjusted parameter, and wherein the relation of blade 51 and 52 gap a and lap b is as shown in Figure 4:
| Sequence number | Belt steel thickness | Gap (a) | Lap (b) |
| 1 | 1.8～3mm | 0.3mm | +0.3 |
| 2 | 3～4mm | 0.4mm | +0.1 |
| 3 | 4～5mm | 0.5mm | -0.15mm |
| 4 | 5～6mm | 0.6mm | -0.3mm |
Table 2, desirable gap blade and lap are adjusted parameter
Below being with belt steel thickness 1.8～3mm, is benchmark when gap 0.3mm, lap+0.3mm, when tiltedly contract angle θ gets 13 °, 19 ° and 24 ° respectively, uses other the corresponding gap blades that the utility model adjustment obtains and the data of lap:
During θ=13 °, it is as shown in table 3 to adjust the data that obtain gap blade and lap:
| Sequence number | Belt steel thickness | Gap (a) | Lap (b) |
| 1 | 1.8～3mm | 0.3mm | +0.3 |
| 2 | 3～4mm | 0.4mm | +0.16 |
| 3 | 4～5mm | 0.5mm | +0.02mm |
| 4 | 5～6mm | 0.6mm | -0.12mm |
Table 3, gap blade and lap when tiltedly contract angle θ is 13 °
During θ=19 °, it is as shown in table 4 to adjust the data that obtain gap blade and lap:
| Sequence number | Belt steel thickness | Gap (a) | Lap (b) |
| 1 | 1.8～3mm | 0.3mm | +0.3 |
| 2 | 3～4mm | 0.4mm | +0.09 |
| 3 | 4～5mm | 0.5mm | -0.12mm |
| 4 | 5～6mm | 0.6mm | -0.33mm |
Table 4, gap blade and lap when tiltedly contract angle θ is 19 °
During θ=24 °, it is as shown in table 5 to adjust the data that obtain gap blade and lap:
| Sequence number | Belt steel thickness | Gap (a) | Lap (b) |
| 1 | 1.8～3mm | 0.3mm | +0.3 |
| 2 | 3～4mm | 0.4mm | +0.03 |
| 3 | 4～5mm | 0.5mm | -0.18mm |
| 4 | 5～6mm | 0.6mm | -0.39mm |
Table 5, gap blade and lap when tiltedly contract angle θ is 24 °
As seen by above-mentioned, the lap that the adjustment of use the utility model obtains has been optimized production technology greatly very near desired quantity, and effect is remarkable.
The scrap cutter device of the lap regulated that the utility model provides has the following advantages:
1, do not change the transmission device of original scrap cutter, utilize the oblique contract principle of blade, make lap to regulate, invest for a short time, effect is remarkable, and is workable.
2, because the blade lap of scrap cutter is adjustable, optimize shearing technology, made prolong the service life of blade, saved the cost of blade.
3, owing to prolonged the service life of blade, make the cycle of changing blade also prolong, reduced because of maintenance, changed the downtime that blade caused, improved the shear efficiency of slitter edge greatly.
4, reduced owing to shear the unreasonable blade abrasion that causes of lap, simultaneously also correspondingly reduced that the broken limit of therefore causing can't be cut off fully and the scrap cutter that causes, the number of stoppages that the waste material bucket stops up, reduced potential safety hazard, improved the security of producing.
Claims (6)
1. the scrap cutter device that can regulate lap, it comprises transmission device, shear and lash adjusting device (8); Be characterised in that,
Described transmission device comprises power transmission shaft (31), lower drive shaft (32), the helical gear of pair of meshing (21,22); Upward power transmission shaft (31), lower drive shaft (32) are installed in the reduction box body (1); This is installed in the middle part of power transmission shaft (31) and lower drive shaft (32) respectively to helical gear (21,22);
Described shear comprises upper tool pan (41), following cutterhead (42), cutter (51), bottom knife (52); This upper tool pan (41) and following cutterhead (42) correspondence respectively are sleeved on power transmission shaft (31) and the lower drive shaft (32); This cutter (51) and bottom knife (52) correspondence respectively are installed in the insert groove of upper tool pan (41) and following cutterhead (42), fix by inclined plate;
The cutting edge of described cutter (51) and bottom knife (52) all is oblique cutting edges, is oblique wedge formula;
Described lash adjusting device (8) is installed on the power transmission shaft (31).
2. the scrap cutter device of regulating lap as claimed in claim 1 is characterized in that, described transmission device also comprises the shaft joint (7) that is installed on the lower drive shaft (32), is whole scrap cutter device transferring power.
3. the scrap cutter device of regulating lap as claimed in claim 1 is characterized in that, described upper tool pan (41) adopts matched in clearance with last power transmission shaft (31); Described cutterhead (42) down adopts matched in clearance with lower drive shaft (32).
4. the scrap cutter device of regulating lap as claimed in claim 1 is characterized in that, described upper tool pan (41) passes through key (61) transmitted load with last power transmission shaft (31); Described cutterhead (42) down passes through key (62) transmitted load with lower drive shaft (32).
5. the scrap cutter device of regulating lap as claimed in claim 1 is characterized in that, the oblique contract angle between described cutter (51) and the bottom knife (52) is 12 °～25 °.
6. the scrap cutter device of regulating lap as claimed in claim 5 is characterized in that, described lash adjusting device (8) comprises intermeshing worm gear (9) and worm screw (10), and this worm screw (10) is connected with last power transmission shaft (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047084 CN2841214Y (en) | 2005-11-30 | 2005-11-30 | Clippings shearing device capable of regulating overlap quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047084 CN2841214Y (en) | 2005-11-30 | 2005-11-30 | Clippings shearing device capable of regulating overlap quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2841214Y true CN2841214Y (en) | 2006-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520047084 Expired - Fee Related CN2841214Y (en) | 2005-11-30 | 2005-11-30 | Clippings shearing device capable of regulating overlap quantity |
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| Country | Link |
|---|---|
| CN (1) | CN2841214Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181759B (en) * | 2007-12-21 | 2010-04-14 | 二重集团（德阳）重型装备股份有限公司 | Hobbing type dual-side chopping shear backlash adjusting device |
| CN102398070A (en) * | 2011-11-27 | 2012-04-04 | 襄阳博亚精工机器有限公司 | Cropping scissor shaft system |
| CN102699411A (en) * | 2012-06-09 | 2012-10-03 | 中色科技股份有限公司 | Method for cutting cracked sides on two sides of plate belt through synchronous linkage of two side crushers |
| CN102756168A (en) * | 2012-06-28 | 2012-10-31 | 中冶南方工程技术有限公司 | Shear blade gap adjustment device of roller flying shear |
| CN103273375A (en) * | 2013-05-24 | 2013-09-04 | 中国重型机械研究院股份公司 | Scrap chopper blade side-gap device and regulating method |
| CN103506686A (en) * | 2012-06-21 | 2014-01-15 | 襄阳博亚精工机器有限公司 | Lead band flying shear device |
| CN104325189A (en) * | 2014-10-21 | 2015-02-04 | 江苏亚威机床股份有限公司 | Scrap cutter blade gap adjustment device |
| CN106392177A (en) * | 2016-11-11 | 2017-02-15 | 沈阳萨科斯机械有限公司 | Broken edge cutting device for medium-thick plates |
| CN107218874A (en) * | 2017-05-27 | 2017-09-29 | 攀钢集团西昌钢钒有限公司 | A kind of cutting edge side clearance scaling method of scrap cutter |
| CN109128361A (en) * | 2017-06-28 | 2019-01-04 | 宝山钢铁股份有限公司 | A kind of scrap cutter |
| CN113798581A (en) * | 2020-06-13 | 2021-12-17 | 上海梅山钢铁股份有限公司 | On-line rapid measurement and adjustment method for overlap amount of rag shear blades |
-
2005
- 2005-11-30 CN CN 200520047084 patent/CN2841214Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181759B (en) * | 2007-12-21 | 2010-04-14 | 二重集团（德阳）重型装备股份有限公司 | Hobbing type dual-side chopping shear backlash adjusting device |
| CN102398070A (en) * | 2011-11-27 | 2012-04-04 | 襄阳博亚精工机器有限公司 | Cropping scissor shaft system |
| CN102699411A (en) * | 2012-06-09 | 2012-10-03 | 中色科技股份有限公司 | Method for cutting cracked sides on two sides of plate belt through synchronous linkage of two side crushers |
| CN103506686A (en) * | 2012-06-21 | 2014-01-15 | 襄阳博亚精工机器有限公司 | Lead band flying shear device |
| CN102756168B (en) * | 2012-06-28 | 2015-09-02 | 中冶南方工程技术有限公司 | The shearing edge gap adjusting device of drum type flying shear |
| CN102756168A (en) * | 2012-06-28 | 2012-10-31 | 中冶南方工程技术有限公司 | Shear blade gap adjustment device of roller flying shear |
| CN103273375A (en) * | 2013-05-24 | 2013-09-04 | 中国重型机械研究院股份公司 | Scrap chopper blade side-gap device and regulating method |
| CN104325189A (en) * | 2014-10-21 | 2015-02-04 | 江苏亚威机床股份有限公司 | Scrap cutter blade gap adjustment device |
| CN106392177A (en) * | 2016-11-11 | 2017-02-15 | 沈阳萨科斯机械有限公司 | Broken edge cutting device for medium-thick plates |
| CN107218874A (en) * | 2017-05-27 | 2017-09-29 | 攀钢集团西昌钢钒有限公司 | A kind of cutting edge side clearance scaling method of scrap cutter |
| CN107218874B (en) * | 2017-05-27 | 2019-07-16 | 攀钢集团西昌钢钒有限公司 | A kind of cutting edge side clearance scaling method of scrap cutter |
| CN109128361A (en) * | 2017-06-28 | 2019-01-04 | 宝山钢铁股份有限公司 | A kind of scrap cutter |
| CN113798581A (en) * | 2020-06-13 | 2021-12-17 | 上海梅山钢铁股份有限公司 | On-line rapid measurement and adjustment method for overlap amount of rag shear blades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061129 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |