CN101780562B - Device and method for adjusting gap of shear of disc shearing machine - Google Patents
Device and method for adjusting gap of shear of disc shearing machine Download PDFInfo
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- CN101780562B CN101780562B CN 201010120760 CN201010120760A CN101780562B CN 101780562 B CN101780562 B CN 101780562B CN 201010120760 CN201010120760 CN 201010120760 CN 201010120760 A CN201010120760 A CN 201010120760A CN 101780562 B CN101780562 B CN 101780562B
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Abstract
The invention discloses a device for adjusting a gap of a shear of a disc shearing machine, which comprises an upper shear shank with an upper shear shaft and a lower shear shank with a lower shear shaft, wherein a transmission gear I is mounted on the upper shear shaft, a transmission gear II is mounted on the lower shear shaft, the transmission gear I is meshed with the transmission gear II, the upper shear shank and the lower shear shank are connected through a first positioning pull rod and a second positioning pull rod, two adjusting devices I are mounted on the two positioning pull rod, and the adjusting devices II are mounted on the upper shear shank. The invention further discloses a method for adjusting the gap of the shear of the disc shearing machine, which comprises the steps of moving the upper shear shank along the first positioning pull rod and the second positioning pull rod for adjusting the lateral gap between an upper shear and a lower shear and/or rotating the upper shear shank around the first positioning pull rod for adjusting the overlap of the upper shear and the lower shear. The structure of the adjusting device is simple, and the operation of the adjusting method is convenient and flexible, thereby being applicable to requirements of plates with different thicknesses, realizing high shearing precision and having no need of using special tools or detaching parts.
Description
Technical field
The present invention relates to the circle shears field, particularly a kind of device and method of adjusting gap of shear of disc shearing machine.
Background technology
When shearing sheet material, for improving shear precision, need to come the gap between the upper lower scissors is reasonably arranged according to the thickness that is sheared sheet material.Because the thickness of sheet material is different, the relative position of upper lower scissors also requires to occur correspondingly to change, and its variation is mainly reflected on the sideshake and lap of lower scissors.So in order to satisfy the needs of various thickness sheet materials, existing circle shears all needs to have the ability of adjusting sideshake and lap.
In order to satisfy the requirement of shearing the different in width product, existing circle shears usually increases the adjustment pad by the end at blade and realizes the adjustment of blade end play (being blade lateral space self), realizes the adjustment of blade radial clearance (being the blade lap) by adopting the worm gear device eccentric sleeves.Although this adjusting device and method have overcome early stage shading ring malfunction, the loaded down with trivial details defective of regulative mode, but still can not satisfy the accuracy requirement of adjusting shears gap.
And for example, application number is 200610081425.5, name is called in the Chinese invention patent specification of " device and method of adjusting gap of shear of disc shearing machine " and discloses a kind of device and method of adjusting gap of shear of disc shearing machine, wherein the guiding mechanism of scissor blade sideshake Z mainly comprises adjusting nut 6, radial thrust bearing 7, bearing block 8, bearing cap 9 and axle sleeve 10, when rotating adjusting nut 6, because of its axial restraint, it rotates by whole sideshake and adjusts the side-to-side movement that thaumatropy is axle system, thereby can realize the adjustment of blade sideshake Z; Wherein the guiding mechanism of scissor blade lap C mainly comprises eccentric bushing and bearing, has mainly partly been realized the adjustment of lap by eccentric bushing.Although this adjusting device and method operation are more flexible, adjusting is more convenient, but still have following defective: at first, owing to part is adjusted in gaps such as still having eccentric bushing on the main shaft, be the intensity that guarantees main shaft, the radial dimension of axle is larger; Secondly, when adjusting lap, must take off the retainer plate of eccentric bushing, rotating eccentric sleeve is capable of regulating, so this adjusting device and mode are still not too convenient; Again, because pivoted arm is shorter, wayward to the accurate adjustment of scissors lap.
Summary of the invention
For overcoming the defective of prior art, one of purpose of the present invention is to provide the device of the adjustment gap of shear of disc shearing machine that a kind of adjustment is more flexible, shear precision is higher, and this device is sheared the requirement of sheet metal thickness applicable to difference.
For this reason, the present invention adopts following technical scheme:
A kind of device of adjusting gap of shear of disc shearing machine, comprise with the upper shear shank of upper scissors shaft with the lower scissors frame of lower scissors axle, it is characterized in that: on the described upper scissors shaft travelling gear I is installed, on the described lower scissors axle travelling gear II is installed, described travelling gear I is meshed with travelling gear II, on described, the lower scissors frame is connected with the second positioning tie bar by the first positioning tie bar, on described the first positioning tie bar and the second positioning tie bar adjusting device I is installed, on the described upper shear shank adjusting device II is installed, adjust described adjusting device I shear shank can be moved along the first positioning tie bar and the second positioning tie bar, adjust described adjusting device I and adjusting device II shear shank is rotated around the first positioning tie bar.
Preferably, described upper shear shank comprises that an end is connected with the upper scissors shaft of scissors, pressing plate and the forward and backward plate of upper shear shank, plate passes scissors shaft successively behind described upper shear shank header board and the upper shear shank, the top of plate and pressing plate Joint behind described upper shear shank header board and the upper shear shank.
Preferably, described lower scissors frame comprises that an end is connected with lower scissors axle and the forward and backward plate of lower scissors frame of lower scissors, and plate passes the lower scissors axle successively behind described lower scissors frame header board and the lower scissors frame.
Preferably, be coaxially arranged with a pair of inner groovy II and a pair of inner groovy I be used to holding upper scissors shaft behind described lower scissors frame header board and the lower scissors frame on the plate, respectively be provided with a projection among described two inner groovy II, described projection is connected by adjusting device II with pressing plate.
Preferably, described adjusting device II comprises that described screw rod II is provided with adjusting nut II for connecting the screw rod I and the screw rod II that is used to be connected pressing plate and the forward and backward plate of lower scissors frame of pressing plate with projection.
Preferably, described adjusting device I comprises locking nut I, locking nut II and two the locking nut III that are installed on the first positioning tie bar and the second positioning tie bar and is installed in the first positioning tie bar and the adjusting nut I at the second positioning tie bar two ends, described locking nut I and locking nut II are separately positioned on the both sides of plate behind the lower scissors frame, and described two locking nut III are separately positioned on a side of plate behind a side of lower scissors frame header board and the upper shear shank.
Another object of the present invention is to provide a kind of method of adjusting gap of shear of disc shearing machine, the method comprise adjust adjusting device I make shear shank move to adjust along the first positioning tie bar and the second positioning tie bar upper and lower scissors sideshake step and adjust adjusting device I and adjusting device II makes upper shear shank rotate to adjust the step of the lap of upper and lower scissors around the first positioning tie bar.
Described adjusting device I comprises locking nut I, locking nut II and two the locking nut III that are installed on the first positioning tie bar and the second positioning tie bar and is installed in the first positioning tie bar and the adjusting nut I at the second positioning tie bar two ends; Described adjusting device II comprises screw rod I and screw rod II, and described screw rod II is provided with adjusting nut II.
The concrete grammar of the upper and lower scissors sideshake of described adjustment comprises the steps:
A1) successively the locking nut I on the first positioning tie bar and the second positioning tie bar and locking nut II are unscrewed;
A2) adjusting nut I and the locking nut III of close upper and lower scissors one side on adjustment the first positioning tie bar and the second positioning tie bar, make shear shank move to correct position along the first positioning tie bar and the second positioning tie bar, screw adjusting nut I and locking nut III;
A3) screw locking nut I and locking nut II, shear shank is located at the first positioning tie bar and the second positioning tie bar.
The concrete grammar of the upper and lower scissors lap of described adjustment comprises the steps:
B1) successively the locking nut I on the first positioning tie bar and the second positioning tie bar and locking nut II are unscrewed;
B2) unscrew on the first positioning tie bar and the second positioning tie bar near upper and lower scissors one side adjusting nut I, locking nut III;
B3) rotary screw II, make its break away from lower scissors frame header board and lower scissors frame after the contacting of plate;
B4) rotary screw I, shear shank rotates around the first positioning tie bar in the drive, reaches the purpose of the lap of adjusting upper and lower scissors with this;
B5) adjusting screw(rod) II makes plate close contact behind itself and lower scissors frame header board and the lower scissors frame;
B6) tighten successively above-mentioned locking nut I, locking nut II, locking nut III and adjusting nut I, upper shear shank is located at the first positioning tie bar.
The invention has the beneficial effects as follows:
1) adjusting device of the present invention is simple in structure, firm, and is flexible to operation, can be applicable to the requirement of different-thickness sheet material, and shear precision is high; 2) adjusting device of the present invention need not to use specific purpose tool, also need not dismantle parts, adjusts more convenient; Method of adjustment of the present invention is convenient and simple, can be widely used in this area.
Description of drawings
Fig. 1 is the left view of adjusting device of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 1;
Fig. 5 is the structural representation of adjusting device of the present invention (angle 1 of living in);
Fig. 6 is the structural representation of adjusting device of the present invention (angle 2 of living in);
Fig. 7 is gap blade adjustment explanation schematic diagram of the present invention;
Fig. 8 is that lap of the present invention is adjusted schematic diagram;
Wherein, the upper scissors of 1-, the upper scissors shaft of 2-, 3-lower scissors, 4-lower scissors axle, 5-travelling gear I, 6-travelling gear II, 7-pressing plate, the upper shear shank header board of 8-, plate behind the upper shear shank of 9-, 10-lower scissors frame header board, plate behind the 11-lower scissors frame, 12-the first positioning tie bar, 13-inner groovy I, 14-inner groovy II, 15-projection, 16-locking nut I, 17-adjusting nut I, 18-screw rod I, 19-adjusting nut II, 20-screw rod II, 21-locking nut II, 22-locking nut III, 23-the second positioning tie bar, 24-pin.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further described in detail.
As shown in Figure 7, when shearing sheet material A, for improving shear precision, the thickness h that is sheared sheet material is depended in the gap between upper scissors 1 and the lower scissors 3.Because it is different to be sheared the thickness h of sheet material, the relative position of above scissors and lower scissors 3 also corresponding variation will occur, be the shearing quality that guarantees, choose the lap S of upper and lower scissors and the sideshake δ of upper and lower scissors according to the thickness h that is sheared sheet material.D is that disc shear edge diameter, h are the permission nip angle by the thickness of shear material, α among Fig. 7, and S is the lap of upper and lower scissors, and δ is the sideshake of upper and lower scissors, and B is the thickness of upper scissors, lower scissors.
Such as Fig. 1-shown in Figure 6, this routine described adjusting device mainly comprises upper and lower shear shank, upper and lower shear shank is connected with the second positioning tie bar 23 by the first positioning tie bar 12, on the upper scissors shaft 2 of upper shear shank travelling gear I 5 is installed, on the lower scissors axle 4 of lower scissors frame travelling gear II 6 is installed, described travelling gear I 5 is meshed with travelling gear II 6.When circle shears is worked, motor is connected to the right side of lower scissors axle 4, being transferred to lower scissors axle 4 after being slowed down through decelerator by motor is 1: 1 travelling gear I 5 and travelling gear II 6 drives respectively scissors shaft 2 and lower scissors axle 4 moves through gearratio, so that upper and lower scissors reverse rotation realizes the shearing to band.
Upper and lower shear shank is connected with the second positioning tie bar 23 by the first positioning tie bar 12, on the first positioning tie bar 12 and the second positioning tie bar 23 adjusting device I is installed, adjusting device II is installed on the upper shear shank, adjust adjusting device I shear shank is moved along the first positioning tie bar 12 and the second positioning tie bar 23, adjust described adjusting device I and adjusting device II shear shank is rotated around the first positioning tie bar 12.Adjusting device I comprises locking nut I 16, locking nut II 21 and two the locking nut III 22 that are installed on the first positioning tie bar 12 and the second positioning tie bar 23 and is installed in respectively the first positioning tie bar 12 and the adjusting nut I 17 at the second positioning tie bar 23 two ends.Adjusting device II comprises screw rod I 18 and screw rod II 20, and adjusting nut II 19 also is installed on the screw rod II 20.
Upper shear shank comprises that mainly an end is connected with plate 9 behind the upper scissors shaft 2 of scissors 1, pressing plate 7, upper shear shank header board 8 and the upper shear shank, plate 9 is connected by upper scissors shaft 2 behind upper shear shank header board 8 and the upper shear shank, be socketed with travelling gear 5 on the upper scissors shaft 2, plate 9 is affixed by screw rod behind pressing plate 7 and upper shear shank header board 8 and the upper shear shank; The lower scissors frame comprises that mainly an end is connected with plate 11 behind the lower scissors axle 4 of lower scissors 3, lower scissors frame header board 10 and the lower scissors frame, before the lower scissors frame behind slope 10 and the lower scissors frame plate 11 be connected by lower scissors axle 4.Offer two inner groovies on the lower scissors frame header board 10: namely one is used for carrying upward inner groovy I 13 and an inner groovy II 14 who is used for holding projection 15 of scissors shaft 2; Same, also offer an inner groovy I 13 and 14, two inner groovy I of an inner groovy II, 13 coaxial settings behind the lower scissors frame on the plate 11, two also coaxial settings of inner groovy II 14.
To place according to the upper shear shank that said structure connects the top of lower scissors frame, the upper scissors shaft 2 of upper shear shank be put into the inner groovy I 13 of plate 11 behind lower scissors frame header board 10 and the lower scissors frame.Pass from left to right behind lower scissors frame header board 10, upper shear shank header board 8, the lower scissors frame plate 9 behind the plate 11 and upper shear shank with the first positioning tie bar 12 and the second positioning tie bar 23, the left side that is positioned at lower scissors frame header board 10 at the first positioning tie bar 12 and the second positioning tie bar 23 respectively arranges an adjusting nut I 17, the right side respectively arranges a locking nut III22, is used for lower scissors frame header board 10 is fixed on the first positioning tie bar 12 and the second positioning tie bar 23; The both sides of plate 11 are provided with locking nut I 16 and locking nut II 21 after the first positioning tie bar 12 and the second positioning tie bar 23 are positioned at the lower scissors frame, are used for plate 11 behind the lower scissors frame is fixed on the first positioning tie bar 12 and the second positioning tie bar 23; The right side of plate 9 respectively arranges an adjusting nut I 17 after the first positioning tie bar 12 and the second positioning tie bar 23 are positioned at shear shank, the left side respectively arranges a locking nut III 22, is used for plate 9 behind the upper shear shank is fixed on the first positioning tie bar 12 and the second positioning tie bar 23.
Upper shear shank is used for the screw rod I 18 be fixedly connected with and four passive screw rod II 20 by two and is connected to plate 11 behind lower scissors frame header board 10 and the lower scissors frame.As shown in Figure 4, plate 9 is slotted hole passing the second positioning tie bar 23 places behind upper shear shank header board 8, the upper shear shank.The position relationship of upper scissors 1 and lower scissors 3 is as shown in Fig. 1,2 in the adjusting device that connects.
Shown in Fig. 1,4, lower scissors frame header board 10 is connected with the lower scissors frame and respectively is provided with a projection 15 that is connected with pressing plate 7 among the inner groovy II 14 of plate 11, plate 11 all is connected by pin 24 behind projection 15 and lower scissors frame header board 10 and the lower scissors frame, and pressing plate 7 is connected by screw rod I 18 with projection 15.The setting of projection 15 is for when the adjusting screw(rod) I 18, and the rigid body that screw rod I 18 and projection 15 are formed rotates around pin 24 between the plate 11 respectively and behind lower scissors frame header board 10 and the lower scissors frame.As shown in Figure 1, 2, also be provided with screw rod II20 with screw rod I18 front and back side side by side, by four screw rod II upper shear shank is contacted with plate 11 behind lower scissors frame header board 10 and the lower scissors frame by pressing plate 7, on four screw rod II20, respectively be socketed with an adjusting nut II 19.
Further specify the method for adjusting upper and lower scissors sideshake and lap below by Fig. 1-6 and Fig. 8:
The present invention can reach the purpose of regulating lap by turn screw rod I 18.
As shown in Figure 8, the O point is the shaft core position of the first positioning tie bar 12.When screw rod I 18 was in the D point, the home position of upper scissors dish 1 was E, supposed that upper and lower scissors 1,3 lap S are 0 this moment.As turn screw rod I 18, when making it be in reposition D1 point, upper shear shank integral body clockwise rotates around the first positioning tie bar 12, and the home position of upper scissors 1 moves to E1 by E, the centre-to-centre spacing of upper and lower scissors shaft increases, and the upper and lower scissors 1 in position, 3 lap S are C as shown; Otherwise turn screw rod I 18 can make lap S diminish round about.
When the sideshake of lower scissors in the needs adjustment, adopt following steps:
A1) successively locking nut I 16 and locking nut II 21 on the first positioning tie bar 12 and the second positioning tie bar 23 are unscrewed;
A2) adjusting nut I 17 and the locking nut III 22 of close upper and lower scissors one side on adjustment the first positioning tie bar 12 and the second positioning tie bar 23, make shear shank move to correct position along the first positioning tie bar 12 and the second positioning tie bar 23, screw adjusting nut I 17 and locking nut III 22;
A3) screw locking nut I 16 and locking nut II 21, make shear shank in the first positioning tie bar 12 and the second positioning tie bar 23 location.
When the lap of lower scissors in the needs adjustment, adopt following steps:
B 1) successively locking nut I 16 and locking nut II 21 on the first positioning tie bar 12 and the second positioning tie bar 23 are unscrewed;
B2) unscrew on the first positioning tie bar 12 and the second positioning tie bar 23 near upper and lower scissors one side adjusting nut I 17, locking nut III 22;
B3) rotary screw II 20, make its break away from lower scissors frame header board 10 and lower scissors frame after the contacting of plate 11;
B4) rotary screw I 18, and shear shank rotates around the first positioning tie bar 12 in the drive, reaches the purpose of the lap of adjusting upper and lower scissors with this;
B5) adjusting screw(rod) II 20, make plate 11 close contacts behind itself and lower scissors frame header board 10 and the lower scissors frame;
B6) tighten successively above-mentioned locking nut I 16, locking nut II 21, locking nut III 22 and adjusting nut I 17, upper shear shank is located at the first positioning tie bar 12.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. device of adjusting gap of shear of disc shearing machine, this device comprises with the upper shear shank of upper scissors shaft (2) with the lower scissors frame of lower scissors axle (4), it is characterized in that: travelling gear I (5) is installed on the described upper scissors shaft (2), travelling gear II (6) is installed on the described lower scissors axle (4), described travelling gear I (5) is meshed with travelling gear II (6), on described, the lower scissors frame is connected with the second positioning tie bar (23) by the first positioning tie bar (12), on described the first positioning tie bar (12) and the second positioning tie bar (23) adjusting device I is installed all, on the described upper shear shank adjusting device II is installed, adjust described adjusting device I shear shank can be moved along the first positioning tie bar (12) and the second positioning tie bar (23), adjust described adjusting device I and adjusting device II shear shank is rotated around the first positioning tie bar (12).
2. the device of adjustment gap of shear of disc shearing machine as claimed in claim 1, it is characterized in that: described upper shear shank comprises that an end is connected with the upper scissors shaft (2) of scissors (1), pressing plate (7) and the forward and backward plate of upper shear shank (8,9), plate (9) passes scissors shaft (2) successively behind described upper shear shank header board (8) and the upper shear shank, the top of plate (9) and pressing plate (7) Joint behind described upper shear shank header board (8) and the upper shear shank.
3. the device of adjustment gap of shear of disc shearing machine as claimed in claim 1, it is characterized in that: described lower scissors frame comprises that an end is connected with lower scissors axle (4) and the forward and backward plate of lower scissors frame (10,11) of lower scissors (3), and plate (11) passes lower scissors axle (4) successively behind described lower scissors frame header board (10) and the lower scissors frame.
4. the device of adjustment gap of shear of disc shearing machine as claimed in claim 3, it is characterized in that: be coaxially arranged with a pair of inner groovy II (14) and a pair of inner groovy I (13) be used to holding upper scissors shaft (2) behind described lower scissors frame header board (10) and the lower scissors frame on the plate (11), respectively be provided with a projection (15) among described two inner groovy II (14), described projection (15) is connected by adjusting device II with pressing plate (7).
5. the device of adjustment gap of shear of disc shearing machine as claimed in claim 4, it is characterized in that: described adjusting device II comprises that described screw rod II (20) is provided with adjusting nut II (19) for connecting the screw rod I (18) and the screw rod II (20) that is used to be connected pressing plate (7) and the forward and backward plate of lower scissors frame (10,11) of pressing plate (7) with projection (15).
6. adjust the method for gap of shear of disc shearing machine with the described device of claim 1 for one kind, it is characterized in that: the method comprises that adjusting adjusting device I makes shear shank along the step of the mobile sideshake of adjusting upper and lower scissors of the first positioning tie bar (12) and the second positioning tie bar (23) and adjust adjusting device I and adjusting device II makes upper shear shank adjust the step of the lap of upper and lower scissors around the first positioning tie bar (12) rotation.
7. method of adjustment as claimed in claim 6, it is characterized in that: described adjusting device I comprises locking nut I (16), locking nut II (21) and two the locking nut III (22) that are installed on the first positioning tie bar (12) and the second positioning tie bar (23) and is installed in the first positioning tie bar (12) and the adjusting nut I (17) at the second positioning tie bar (23) two ends; Described adjusting device II comprises screw rod I (18) and screw rod II (20), and described screw rod II (20) is provided with adjusting nut II (19).
8. method of adjustment as claimed in claim 7, it is characterized in that: the concrete grammar of the upper and lower scissors sideshake of described adjustment comprises the steps:
A1) successively the locking nut I (16) on the first positioning tie bar (12) and the second positioning tie bar (23) and locking nut II (21) are unscrewed;
A2) adjust the first positioning tie bar (12) and the second positioning tie bar (23) upper adjusting nut I (17) and locking nut III (22) near upper and lower scissors one side, make shear shank move to correct position along the first positioning tie bar (12) and the second positioning tie bar (23), screw adjusting nut I (17) and locking nut III (22);
A3) screw locking nut I (16) and locking nut II (21), make shear shank in the first positioning tie bar (12) and the second positioning tie bar (23) location.
9. method of adjustment as claimed in claim 7, it is characterized in that: the concrete grammar of the upper and lower scissors lap of described adjustment comprises the steps:
B1) successively the locking nut I (16) on the first positioning tie bar (12) and the second positioning tie bar (23) and locking nut II (21) are unscrewed;
B2) unscrew the first positioning tie bar (12) and the second positioning tie bar (23) upper near upper and lower scissors one side adjusting nut I (17), locking nut III (22);
B3) rotary screw II (20), make its break away from lower scissors frame header board (10) and lower scissors frame after the contacting of plate (11);
B4) rotary screw I (18), shear shank rotates around the first positioning tie bar (12) in the drive, reaches the purpose of the lap of adjusting upper and lower scissors with this;
B5) adjusting screw(rod) II (20) makes plate (11) close contact behind itself and lower scissors frame header board (10) and the lower scissors frame;
B6) tighten successively above-mentioned locking nut I (16), locking nut II (21), locking nut III (22) and adjusting nut I (17), upper shear shank is located at the first positioning tie bar (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010120760 CN101780562B (en) | 2010-03-08 | 2010-03-08 | Device and method for adjusting gap of shear of disc shearing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010120760 CN101780562B (en) | 2010-03-08 | 2010-03-08 | Device and method for adjusting gap of shear of disc shearing machine |
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| CN101780562A CN101780562A (en) | 2010-07-21 |
| CN101780562B true CN101780562B (en) | 2013-10-23 |
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| CN111076692A (en) * | 2019-12-19 | 2020-04-28 | 北京卫星制造厂有限公司 | High-precision shafting axial clearance calculation method for multistage planetary reduction mechanism |
| CN112090535B (en) * | 2020-08-03 | 2022-03-18 | 珠海市新德汇信息技术有限公司 | Motor vehicle license plate cutting machine capable of automatically avoiding small-sized obstacles |
| CN114535687A (en) * | 2020-11-25 | 2022-05-27 | 山西太钢工程技术有限公司 | Rolling scissors |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3718064A (en) * | 1971-01-21 | 1973-02-27 | Steel Corp | Apparatus for adjustment of side trimmer knife |
| CN1850408A (en) * | 2006-05-19 | 2006-10-25 | 北方工业大学 | Apparatus and method for adjusting shears gap for circle shearing machine |
| CN101145038A (en) * | 2007-10-29 | 2008-03-19 | 中国重型机械研究院 | Disc shear cutter head overlap amount regulation control method |
| CN101219489A (en) * | 2008-01-20 | 2008-07-16 | 中国重型机械研究院 | Cut edge circle shear overlying quantity adjusting device, production method and assembling technique |
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