CN202344023U - Mechanism for adjusting knife overlap and side clearance of circle shear - Google Patents
Mechanism for adjusting knife overlap and side clearance of circle shear Download PDFInfo
- Publication number
- CN202344023U CN202344023U CN201120502255XU CN201120502255U CN202344023U CN 202344023 U CN202344023 U CN 202344023U CN 201120502255X U CN201120502255X U CN 201120502255XU CN 201120502255 U CN201120502255 U CN 201120502255U CN 202344023 U CN202344023 U CN 202344023U
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- voussoir
- main shaft
- lap
- side clearance
- shaft
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Abstract
The utility model discloses a mechanism for adjusting the knife overlap and the side clearance of a circle shear. According to the mechanism, the clearance adjusting precision of the circle shear can be increased; a tapered wedge adjusting structure of the mechanism for adjusting the knife overlap and the side clearance of the circle shear comprises a power device, a driving wedge block and a driven wedge block, wherein the power device is in driving connection onto the driving wedge block; an inclined plane of the driving wedge block is matched onto the inclined plane of the driven wedge block; the driven wedge block acts on an upper main shaft or a lower main shaft; a return device is arranged between the driven wedge block and an upper box body or a lower box body, so that the adjusting error generated by motion conversion can be eliminated; in addition, the knife overlap of an upper shear blade and a lower shear blade is adjusted by adopting a motor-driven eccentric shaft, and thus the reliable and quick adjustment of the knife overlap of the upper shear blade and the lower shear blade can be realized; besides, according to the distribution structure, the axial endplay of the main shaft can be effectively eliminated, the structure is simplified, the automatic high-precision control of the side clearance is realized, the service life of a cutter head is prolonged and the shearing quality is improved; and the mechanism is especially suitable for being popularized and applied in the clearance adjusting structure of the circle shear.
Description
Technical field
The utility model relates to a kind of clearance adjustment mechanism, is specifically related to a kind of circle shear cutting edge lap and side clearance guiding mechanism.
Background technology
At present, on flat cold-rolled sheet production line and the finishing line, the high-precision circle shear of a general configuration is vertically to cut the limit operation to steel plate in modern times.In the course of the work, need the lap and the side clearance amount of adjustment circle shear upper tool pan and following cutterhead, and the precision of circle shear side clearance guiding mechanism directly influences the quality of edges of shearing the back steel plate.As shown in Figure 1, steel plate being cut limit when operation, need two parameters of adjustment to be Δ h and Δ s among the figure, wherein Δ h representes the lap of upper tool pan and following cutterhead, Δ s representes the side clearance of upper tool pan and following cutterhead.
Yet; In the circle shear of present domestic use; There are problems such as Adjustment System motion transmittance process is complicated, the motion conversion accuracy is low mostly, thereby cause the Adjustment System error excessive and can not satisfy when shearing the high-quality flat cold-rolled sheet required precision system side gap and cutterhead lap.
The utility model content
The utility model technical problem to be solved provides a kind of circle shear cutting edge lap and side clearance guiding mechanism that can improve the adjustment precision.
The utility model solves the technical scheme that its technical problem adopted: circle shear cutting edge lap and side clearance guiding mechanism; Comprise upper box and lower box, in upper box, be provided with main shaft, be provided with lower main axis in the lower box; Last main shaft outer end is provided with upper tool pan; The lower main axis outer end is provided with down cutterhead, is provided with the lap adjustment structure of lap about can adjusting between upper tool pan and the following cutterhead between upper box and the lower box, and upper box or lower box are provided with the side clearance adjustment structure that can adjust side clearance between upper tool pan and the following cutterhead at least; Said side clearance adjustment structure adopts wedge adjustment structure; Said wedge adjustment structure comprises power set, active voussoir and passive voussoir, and said power set are in transmission connection on the active voussoir, and initiatively the inclined-plane of voussoir is engaged on the inclined-plane of passive voussoir; Passive voussoir acts on main shaft or the lower main axis, between passive voussoir and upper box or lower box, is provided with returning device.
Further be, said wedge adjustment structure is arranged on the upper box, and passive voussoir acts on main shaft, and returning device is arranged between passive voussoir and the upper box.
Further be, on upper box, be fixedly connected with bracing or strutting arrangement, the said power set that are in transmission connection on the active voussoir are arranged on the bracing or strutting arrangement, and initiatively voussoir and passive voussoir all are movably arranged in the bracing or strutting arrangement.
Further be, said power set comprise gap value adjustment motor and worm and gear device, and the worm screw of said worm and gear device is connected with the active voussoir through screw thread.
Further be; End near passive voussoir in upper box is provided with movable sleeve; In movable sleeve, be provided with cover and load onto the clutch shaft bearing and second bearing of main shaft; Clutch shaft bearing is fixedly connected with movable sleeve with the outer ring of second bearing, and inner ring is fixedly connected with last main shaft, and passive voussoir acts on the main shaft through movable sleeve; The other end near upper tool pan in upper box is provided with inner ring and the unsteady biserial cylindrical roller bearing of roller, and the outer ring of biserial cylindrical roller bearing is fixedly connected with upper box, and inner ring is fixedly connected with last main shaft.
Further be; The shaft shoulder and first locking nut in the end that last main shaft is provided with the clutch shaft bearing and second bearing is provided with; Said first locking nut is threaded with the excircle of last main shaft, and the inner ring of the clutch shaft bearing and second bearing is pressed between the interior shaft shoulder and first locking nut; The shaft shoulder and second locking nut outside the end that last main shaft is provided with biserial cylindrical roller bearing is provided with, second locking nut is threaded with the excircle of last main shaft, and the inner ring of biserial cylindrical roller bearing is pressed between the outer shaft shoulder and second locking nut.
Further be, between passive voussoir and movable sleeve, be disposed in order end cap and contiguous block, a side of end cap is fixedly connected with movable sleeve, and opposite side is fixedly connected with contiguous block, and passive voussoir is fixedly connected on the contiguous block; The upper and lower surfaces of end cap is extended at the two ends up and down of said contiguous block, and is provided with spring between the part that extends out of contiguous block and the upper box and forms described returning device.
Further be; The lap of lap adjustment structure comprises lap adjustment motor and eccentric shaft about between said adjustment upper tool pan and the following cutterhead; Lap adjustment motor is fixedly connected on the lower box; Eccentric shaft is arranged between upper box and the lower box, and the shaft extension end and the eccentric shaft of lap adjustment motor are in transmission connection.
The beneficial effect of the utility model is: adopt the wedge of the utility model to adjust the side clearance that structure is adjusted circle shear upper tool pan and following cutterhead, effectively having eliminated the adjustment error that the motion conversion produces; In addition, adopt the motor-driven eccentric shaft to adjust the lap of lower scissor blade, can realize reliable, the quick adjustment of lower scissor blade lap; And the arrangement of main shaft can also effectively be eliminated its axial float, simplifies the structure, and has realized the high precision in control of side clearance adjustment, has improved cutterhead service life, has improved shearing quality, is particluarly suitable for applying in the gap adjusting structure of circle shear.
Description of drawings
Fig. 1 is the adjustment sketch map of the utility model circle shear overlying quantity and side clearance;
Fig. 2 is the structural representation of the utility model;
Fig. 3 is the structural representation of upper box.
Be labeled as among the figure: upper box 1, lower box 2, go up main shaft 3, lower main axis 4, upper tool pan 5, cutterhead 6, initiatively voussoir 7, passive voussoir 8, gap value adjustment motor 9, worm and gear device 10, movable sleeve 11, second locking nut 12, clutch shaft bearing 13, second bearing 14, bracing or strutting arrangement 15, biserial cylindrical roller bearing 16, end cap 17, contiguous block 18, returning device 19, lap adjustment motor 20, eccentric shaft 21, the interior shaft shoulder 22, first locking nut 23, the outer shaft shoulder 24 down.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
To shown in Figure 3, circle shear cutting edge lap of the utility model and side clearance guiding mechanism comprise upper box 1 and lower box 2 like Fig. 1; In upper box 1, be provided with main shaft 3; Be provided with lower main axis 4 in the lower box 2, last main shaft 3 outer ends are provided with upper tool pan 5, and lower main axis 4 outer ends are provided with down cutterhead 6; Be provided with the lap adjustment structure of lap about can adjusting between upper tool pan 5 and the following cutterhead 6 between upper box 1 and the lower box 2; At least upper box 1 or lower box 2 are provided with the side clearance that can adjust side clearance between upper tool pan 5 and the following cutterhead 6 and adjust structure, and said side clearance adjustment structure adopts wedge adjustment structure, and said wedge adjustment structure comprises power set, active voussoir 7 and passive voussoir 8; Said power set are in transmission connection on active voussoir 7; Initiatively the inclined-plane of voussoir 7 is engaged on the inclined-plane of passive voussoir 8, and passive voussoir 8 acts on main shaft 3 or the lower main axis 4, between passive voussoir 8 and upper box 1 or lower box 2, is provided with returning device 19.During work; Power set drive voussoir 7 initiatively and make the rectilinear motion of forward and drive passive voussoir 8 up the axis direction motion and the compression returning device 19 of main shaft 3 or lower main axis 4, go up main shaft 3 or lower main axis 4 motions to reduce the side clearance between upper tool pan 5 and the following cutterhead 6 thereby drive; When power set driving active voussoir 7 was made reverse rectilinear motion, passive voussoir 8 was combined together with active voussoir 7 under the effect of returning device 19 all the time, can increase the side clearance between upper tool pan 5 and the following cutterhead 6.This adjustment structure can effectively guarantee the adjustment amount of side clearance, has realized the High Accuracy Control of circle shear side clearance adjustment, thereby has improved quality of steel plates the service life of having improved cutterhead.In this embodiment; Wedge adjustment structure can be arranged on upper box 1 and the lower box 2 simultaneously; Simultaneously upper tool pan 5 and play cutterhead 6 are adjusted, or only be arranged on upper box 1 or the lower box 2 upper tool pan 5 or time cutterhead 6 are adjusted, all can realize the side clearance between upper tool pan 5 and the following cutterhead 6 is adjusted; As preferred embodiment; Said wedge adjustment structure is arranged on the upper box 1, and passive voussoir 8 acts on main shaft 3, and returning device 19 is arranged between passive voussoir 8 and the upper box 1.But when simplied system structure, side clearance in this version between adjustment upper tool pan 5 and the following cutterhead 6, following cutterhead 6 is motionless, only can realize the adjusting of side clearance through the change in location of upper tool pan 5.
In order to carry out effective support to power set, active voussoir 7 and passive voussoir 8; On upper box 1, be fixedly connected with bracing or strutting arrangement 15; Said being in transmission connection is arranged on the bracing or strutting arrangement 15 at the power set on the active voussoir 7, and initiatively voussoir 7 and passive voussoir 8 all are movably arranged in the bracing or strutting arrangement 15.
In above embodiment; The power set that are in transmission connection on active voussoir 7 can adopt the liquid gas pressure cylinder to realize; As preferred embodiment; Said power set comprise gap value adjustment motor 9 and worm and gear device 10, and the worm screw of said worm and gear device 10 is connected with active voussoir 7 through screw thread.During work; As shown in Figure 3; When worm screw forward rotation that gap value adjustment motor 9 drives in the worm and gear devices 10, can drive initiatively voussoir 7 downward moving linearlies, and promote passive voussoir 8 and the axially-movable that realizes last main shaft 3 to reduce the side clearance between upper tool pan 5 and the following cutterhead 6; When the worm screw backward rotation in the gap value adjustment motor 9 driving worm and gear devices 10; Can drive upwards moving linearly of active voussoir 7; At this moment; Passive voussoir 8 is combined together with active voussoir 7 under the effect of returning device 19 all the time, can increase the side clearance between upper tool pan 5 and the following cutterhead 6.
In above embodiment; The form that passive voussoir 8 acts on the main shaft 3 can be directly passive voussoir 8 to be connected on the main shaft 3; Simultaneously, the axially-movable form of last main shaft 3 in upper box 1 can be with on main shaft 3 be slidingly fitted in the upper box 1 and realize.As preferred embodiment; End near passive voussoir 8 in upper box 1 is provided with movable sleeve 11; In movable sleeve 11, be provided with cover and load onto the clutch shaft bearing 13 and second bearing 14 of main shaft 3; Clutch shaft bearing 13 is fixedly connected with movable sleeve 11 with the outer ring of second bearing 14, and inner ring is fixedly connected with last main shaft 3, and passive voussoir 8 acts on the main shaft 3 through movable sleeve 11; The other end near upper tool pan 5 in upper box 1 is provided with inner ring and the unsteady biserial cylindrical roller bearing 16 of roller, and the outer ring of biserial cylindrical roller bearing 16 is fixedly connected with upper box 1, and inner ring is fixedly connected with last main shaft 3.The biserial cylindrical roller bearing 16 that inner ring and roller float is the bearing that can realize the relative motion of inner ring and outer ring.Like this, when passive voussoir 8 promotes to go up main shaft 3 axially-movables, can make passive voussoir 8 apply active force at movable sleeve 11; At this moment; Movable sleeve 11 moves axially, and simultaneously, axially-movable is done in the relative outer ring of inner ring of biserial cylindrical roller bearing 16; Thereby realized the axially-movable of last main shaft 3, this reliable in structure.
On the basis of above-mentioned embodiment; For prevent that main shaft 3 from play taking place in bearing inner race; The shaft shoulder 22 and first locking nut 23 in the end that last main shaft 3 is provided with the clutch shaft bearing 13 and second bearing 14 is provided with; Said first locking nut 23 is threaded with the excircle of last main shaft 3, and the inner ring of the clutch shaft bearing 13 and second bearing 14 is pressed between the interior shaft shoulder 22 and first locking nut 23; The shaft shoulder 24 and second locking nut 12 outside the end that last main shaft 3 is provided with biserial cylindrical roller bearing 16 is provided with; Second locking nut 12 is threaded with the excircle of last main shaft 3, and the inner ring of biserial cylindrical roller bearing 16 is pressed between the outer shaft shoulder 24 and second locking nut 12.This version can will go up the inner ring that main shaft 3 is fixed on clutch shaft bearing 13, second bearing 14 and biserial cylindrical roller bearing 16 firmly; Can prevent that main shaft 3 from axial play taking place; Main shaft 3 can only be moved with the outer ring of biserial cylindrical roller bearing 16 with respect to clutch shaft bearing 13, second bearing 14, thereby guaranteed the axial adjustment precision of last main shaft 3.
In above embodiment, between adjustment upper tool pan 5 and the play cutterhead 6 up and down the lap of lap adjust structure and can adopt versions realizations such as cam mechanism, liquid gas pressure cylinder.As preferred mode; The lap of lap adjustment structure comprises lap adjustment motor 20 and eccentric shaft 21 about between said adjustment upper tool pan 5 and the following cutterhead 6; Lap adjustment motor 20 is fixedly connected on the lower box 2; Eccentric shaft 21 is arranged between upper box 1 and the lower box 2, and the shaft extension end and the eccentric shaft 21 of lap adjustment motor 20 are in transmission connection.When needs were adjusted the lap up and down of upper tool pan 5 and following cutterhead 6, making lap adjustment motor 20 drive eccentric shafts 21 rotations can realize, this reliable in structure is easy to adjust.
The operation principle of the utility model is following:
1, the lap up and down (being the Δ h among Fig. 1) of adjustment upper tool pan 5 and following cutterhead 6
Start lap adjustment motor 20 and drive the adjustment of lap up and down that eccentric shaft 21 rotations can realize upper tool pan 5 and following cutterhead 6.
2, the side clearance (being the Δ s among Fig. 1) of adjustment upper tool pan 5 and following cutterhead 6
When the worm screw forward rotation in the gap value adjustment motor 9 driving worm and gear devices 10; Can driving initiatively, voussoir 7 moves downward and promotes passive voussoir 8; Apply active force on movable sleeve 11 through contiguous block 18, end cap 17, make movable sleeve 11 motions, thus the axially-movable that realizes going up main shaft 3; Promptly drive the left of going up main shaft 3 past Fig. 3 and move, can reduce the side clearance between upper tool pan 5 and the following cutterhead 6.
When the worm screw backward rotation in the gap value adjustment motor 9 driving worm and gear devices 10; Can driving initiatively, voussoir 7 moves upward; At this moment; Passive voussoir 8 is combined together with active voussoir 7 under the effect of returning device 19 all the time, promptly drives right-hand the moving of going up main shaft 3 past Fig. 3, can increase the side clearance between upper tool pan 5 and the following cutterhead 6.
Claims (8)
1. circle shear cutting edge lap and side clearance guiding mechanism; Comprise upper box (1) and lower box (2); In upper box (1), be provided with main shaft (3); Be provided with lower main axis (4) in the lower box (2), last main shaft (3) outer end is provided with upper tool pan (5), and lower main axis (4) outer end is provided with down cutterhead (6); Be provided with the lap adjustment structure of lap about can adjusting between upper tool pan (5) and the following cutterhead (6) between upper box (1) and the lower box (2); At least upper box (1) or lower box (2) are provided with the side clearance that can adjust side clearance between upper tool pan (5) and the following cutterhead (6) and adjust structure, and said side clearance adjustment structure adopts wedge adjustment structure, it is characterized in that: said wedge adjustment structure comprises power set, active voussoir (7) and passive voussoir (8); Said power set are in transmission connection on active voussoir (7); Initiatively the inclined-plane of voussoir (7) is engaged on the inclined-plane of passive voussoir (8), and passive voussoir (8) acts on main shaft (3) or the lower main axis (4), between passive voussoir (8) and upper box (1) or lower box (2), is provided with returning device (19).
2. circle shear cutting edge lap as claimed in claim 1 and side clearance guiding mechanism; It is characterized in that: said wedge adjustment structure is arranged on the upper box (1); Passive voussoir (8) acts on main shaft (3), and returning device (19) is arranged between passive voussoir (8) and the upper box (1).
3. circle shear cutting edge lap as claimed in claim 2 and side clearance guiding mechanism; It is characterized in that: on upper box (1), be fixedly connected with bracing or strutting arrangement (15); Said being in transmission connection is arranged on the bracing or strutting arrangement (15) at the power set on the active voussoir (7), and initiatively voussoir (7) and passive voussoir (8) all are movably arranged in the bracing or strutting arrangement (15).
4. circle shear cutting edge lap as claimed in claim 3 and side clearance guiding mechanism; It is characterized in that: said power set comprise gap value adjustment motor (9) and worm and gear device (10), and the worm screw of said worm and gear device (10) is connected with active voussoir (7) through screw thread.
5. circle shear cutting edge lap as claimed in claim 3 and side clearance guiding mechanism; It is characterized in that: the end near passive voussoir (8) in upper box (1) is provided with movable sleeve (11); In movable sleeve (11), be provided with cover and load onto the clutch shaft bearing (13) and second bearing (14) of main shaft (3); Clutch shaft bearing (13) is fixedly connected with movable sleeve (11) with the outer ring of second bearing (14), and inner ring is fixedly connected with last main shaft (3), and passive voussoir (8) acts on the main shaft (3) through movable sleeve (11); The other end near upper tool pan (5) in upper box (1) is provided with inner ring and the unsteady biserial cylindrical roller bearing (16) of roller, and the outer ring of biserial cylindrical roller bearing (16) is fixedly connected with upper box (1), and inner ring is fixedly connected with last main shaft (3).
6. circle shear cutting edge lap as claimed in claim 4 and side clearance guiding mechanism; It is characterized in that: the end that clutch shaft bearing (13) and second bearing (14) are set at last main shaft (3) is provided with the interior shaft shoulder (22) and first locking nut (23); Said first locking nut (23) is threaded with the excircle of last main shaft (3), and the inner ring of clutch shaft bearing (13) and second bearing (14) is pressed between the interior shaft shoulder (22) and first locking nut (23); The shaft shoulder (24) and second locking nut (12) outside the end that last main shaft (3) is provided with biserial cylindrical roller bearing (16) is provided with; Second locking nut (12) is threaded with the excircle of last main shaft (3), and the inner ring of biserial cylindrical roller bearing (16) is pressed between the outer shaft shoulder (24) and second locking nut (12).
7. circle shear cutting edge lap as claimed in claim 4 and side clearance guiding mechanism; It is characterized in that: between passive voussoir (8) and movable sleeve (11), be disposed in order end cap (17) and contiguous block (18); One side of end cap (17) is fixedly connected with movable sleeve (11); Opposite side is fixedly connected with contiguous block (18), and passive voussoir (8) is fixedly connected on the contiguous block (18); The upper and lower surfaces of end cap (17) is extended at the two ends up and down of said contiguous block (18), and is provided with spring between the part that extends out of contiguous block (18) and the upper box (1) and forms described returning device (19).
8. according to any claim described circle shear cutting edge lap and side clearance guiding mechanism in the claim 1 to 7; It is characterized in that: the lap of lap adjustment structure comprises lap adjustment motor (20) and eccentric shaft (21) about between said adjustment upper tool pan (5) and the following cutterhead (6); Lap adjustment motor (20) is fixedly connected on the lower box (2); Eccentric shaft (21) is arranged between upper box (1) and the lower box (2), and the shaft extension end and the eccentric shaft (21) of lap adjustment motor (20) are in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120502255XU CN202344023U (en) | 2011-12-06 | 2011-12-06 | Mechanism for adjusting knife overlap and side clearance of circle shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120502255XU CN202344023U (en) | 2011-12-06 | 2011-12-06 | Mechanism for adjusting knife overlap and side clearance of circle shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202344023U true CN202344023U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120502255XU Expired - Lifetime CN202344023U (en) | 2011-12-06 | 2011-12-06 | Mechanism for adjusting knife overlap and side clearance of circle shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202344023U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896162A (en) * | 2012-09-25 | 2013-01-30 | 黄山市继林机械制造有限公司 | Adjusting locking device for cutter shaft of forming cutter of wire drawing machine |
| CN105382326A (en) * | 2015-11-30 | 2016-03-09 | 太原科技大学 | Mechanical disc shearing machine used for shearing thick steel plate |
| CN108907319A (en) * | 2018-07-25 | 2018-11-30 | 襄阳宇清传动科技有限公司 | A kind of circle shear |
| CN114713897A (en) * | 2022-04-12 | 2022-07-08 | 浙江普莱得电器股份有限公司 | Screw rod shearing machine |
-
2011
- 2011-12-06 CN CN201120502255XU patent/CN202344023U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896162A (en) * | 2012-09-25 | 2013-01-30 | 黄山市继林机械制造有限公司 | Adjusting locking device for cutter shaft of forming cutter of wire drawing machine |
| CN105382326A (en) * | 2015-11-30 | 2016-03-09 | 太原科技大学 | Mechanical disc shearing machine used for shearing thick steel plate |
| CN108907319A (en) * | 2018-07-25 | 2018-11-30 | 襄阳宇清传动科技有限公司 | A kind of circle shear |
| CN114713897A (en) * | 2022-04-12 | 2022-07-08 | 浙江普莱得电器股份有限公司 | Screw rod shearing machine |
| CN114713897B (en) * | 2022-04-12 | 2023-09-08 | 浙江普莱得电器股份有限公司 | Screw shearing machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180321 Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee after: Double (Deyang) heavy equipment Co., Ltd. Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |