CN210615280U - Automatic adjusting device for side clearance of belt-driven trimming shears - Google Patents
Automatic adjusting device for side clearance of belt-driven trimming shears Download PDFInfo
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- CN210615280U CN210615280U CN201921171891.1U CN201921171891U CN210615280U CN 210615280 U CN210615280 U CN 210615280U CN 201921171891 U CN201921171891 U CN 201921171891U CN 210615280 U CN210615280 U CN 210615280U
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- cutter shaft
- driving frame
- roller bearing
- side clearance
- cutter
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Abstract
The utility model relates to a side clearance automatic regulating apparatus is cut in belt drive side cut belongs to belted steel limit portion and cuts technical field. The adjusting device comprises a side clearance adjusting transmission mechanism, a tool rest, a driving frame and a cutter shaft mechanism; the side clearance adjusting transmission mechanism is arranged on the upper part of the tool rest and is connected with the cutter shaft mechanism by virtue of the driving frame with the upper and lower center holes, so that the side clearance is automatically adjusted, and the tail part of the cutter shaft body can penetrate through the lower center hole of the driving frame to be connected with the transmission motor, so that the active transmission of the cutter shaft body is realized; finally, the purposes of automatic high-precision adjustment of the side clearance and active transmission of the cutter shaft are achieved, and the structure of the device is simplified.
Description
Technical Field
The utility model belongs to the technical field of belted steel limit portion is cuted, concretely relates to side clearance automatic regulating apparatus is cut in belt drive side cut.
Background
In a cold rolling production line, the strip steel after pickling and the strip steel in a strip steel post-processing unit need to be subjected to edge shearing through a circular trimming shear so as to meet the width requirement of finished product strip steel, which is a very critical process in the whole cold rolling production line.
For the edge cutting scissors, the quality of the cut edge has a very close relation with the side clearance of the cutter head on each side, and the quality of the cut edge of the strip steel has a very large influence on the subsequent process, the use of downstream users and the yield, and influences the final quality of products; meanwhile, the side clearance has great influence on the service life of the cutter head, and the accurate and reasonable side clearance can well prolong the service life of the cutter head.
According to production practices, the sizes of the side clearances of the cutter head are different when metal strips or plates with different thicknesses and materials are cut, so that the side clearances of the cutter head need to be adjusted when the metal strips or plates with different thicknesses are produced, and how to accurately adjust the side clearances of the cutter head to the expected sizes is the most central technology of the whole trimming and shearing equipment. Meanwhile, for a high-quality pickled plate, the quality requirement of the edge cutting is very high, and when the non-transmission pulling shear is adopted, the quality of the edge cutting is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a brand-new belt drive is cut edge and is cut side clearance automatic regulating apparatus, can be in order to realize the high accuracy automatic adjustment precision that the side clearance was cut in the edge cutting, can satisfy the requirement that the belt drive was cuted again, simplify the device structure simultaneously, easy to assemble maintains, reduce manufacturing cost.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a belt-driven automatic side clearance adjusting device for a trimming shear comprises a side clearance adjusting transmission mechanism, a tool rest, a driving frame and a cutter shaft mechanism;
the side clearance adjusting transmission mechanism mainly comprises a gear motor, a differential lead screw and an absolute value encoder; one end of the differential lead screw is connected with the gear motor through the coupler I, and the other end of the differential lead screw is connected with a differential lead screw nut; the absolute value encoder is connected with the gear motor and controls the gear motor;
an upper central hole and a lower central hole are arranged in the driving frame in a high-low and parallel manner, wherein the lower central hole is positioned in a boss of the driving frame; the driving frame is arranged at the tail end head of the tool rest, and a lug boss with a lower central hole is inserted into a tool shaft hole of the tool rest; the outer peripheral surface of the boss is fixedly provided with a sleeve, and the outer wall surface of the sleeve is in sliding fit with the inner wall surface of the cutter shaft hole of the cutter frame; the tail end face of the tool rest is connected with the driving frame through a pre-tightening disc spring group;
the side clearance adjusting transmission mechanism is arranged at the top of the outer side of the tool rest, and a differential lead screw nut is inserted into an upper center hole of the driving frame;
the cutter shaft mechanism comprises a cutter shaft body which penetrates through the cutter shaft hole and two ends of which correspondingly extend out of the lower center hole and the front end of the cutter rest, a bidirectional thrust cylindrical roller bearing, a cylindrical roller bearing II, a spacer bush and a cylindrical roller bearing I are sequentially sleeved on the cutter shaft body positioned in the cutter shaft hole from the tail end to the front end, wherein the free end face of the bidirectional thrust cylindrical roller bearing abuts against the boss end face of the driving frame, and a positioning boss at the front end of the sleeve bush is blocked on the free end face of the cylindrical roller bearing II; the front end of the cutter shaft body extending out of the front end of the cutter frame is provided with a shear blade.
Further, still be equipped with clamping ring and hydraulic nut on the arbor body front end, the shear blade passes through hydraulic nut locking on the arbor body, and the clamping ring setting is between shear blade and hydraulic nut.
Further, the clamping rings are provided with two.
Further, a double-row tapered roller bearing is sleeved in the middle of the differential lead screw, and a bearing seat is arranged outside the double-row tapered roller bearing; the bearing seat and the gear motor are fixedly arranged on the tool rest.
And the cutter shaft driving mechanism mainly comprises a motor and a gear box, the motor is connected with one end of the gear box through a coupler II, and the other end of the gear box is connected with the end of the cutter shaft body extending out of the lower central hole through a coupler.
Further, the coupling II is a coupling with a brake disc.
Further, the motor is connected with and controlled by the incremental encoder.
The beneficial effects of the utility model reside in that:
the device realizes the automatic adjustment of the side clearance by installing a side clearance adjusting transmission mechanism on the upper part of a tool rest and connecting the side clearance adjusting transmission mechanism with a cutter shaft mechanism by a driving frame with an upper central hole and a lower central hole, and the tail part of a cutter shaft body can penetrate through the lower central hole of the driving frame to be connected with a transmission motor, thereby realizing the active transmission of the cutter shaft body; finally, the purposes of automatic high-precision adjustment of the side clearance and active transmission of the cutter shaft are achieved, and the structure of the device is simplified.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the side gap adjustment transmission mechanism.
Reference numerals:
the device comprises a hydraulic nut-1, a pressure ring-2, a shear blade-3, a cutter shaft body-4, a cylindrical roller bearing I-5, a spacer bush-6, a cutter frame-7, a side clearance adjusting transmission mechanism-8, a cylindrical roller bearing II-9, a bidirectional thrust cylindrical roller bearing-10, a sleeve-11, a double-round nut-12, a driving frame-13, a pre-tightening disc spring group-14, a coupling-15, a gear box-16, a coupling II-17, a motor-18 and an incremental encoder-19; an upper center hole-1301, a lower center hole-1302 and a positioning boss-1101; an absolute value encoder-801, a gear motor-802, a coupling I-803, a bearing seat-804, a double-row tapered roller bearing-805, a differential lead screw-806 and a differential lead screw nut-807.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1 to 2, an automatic adjusting device for side clearance of a belt-driven trimming shear includes a side clearance adjusting transmission mechanism 8, a tool rest 7, a driving frame 13 and a cutter shaft mechanism.
The side clearance adjusting transmission mechanism 8 mainly comprises a gear motor 802, a differential lead screw 806 and an absolute value encoder 801; one end of a differential lead screw 806 is connected with the gear motor 802 through a coupling I803, and the other end is connected with a differential lead screw nut 807; the absolute value encoder 801 is connected to and controls the gear motor 802.
An upper central hole 1301 and a lower central hole 1302 are arranged in the driving frame 13 in a high-low and parallel manner, wherein the lower central hole 1302 is positioned in a boss of the driving frame; the driving frame 13 is arranged at the tail end of the cutter frame 7 and is provided with a boss of a lower center hole 1302 which is inserted into a cutter shaft hole of the cutter frame 7; a sleeve 11 is fixedly arranged on the peripheral surface of the boss, and the outer wall surface of the sleeve 11 is in sliding fit with the inner wall surface of the cutter shaft hole of the cutter frame 7; the tail end face of the tool rest 7 is connected with a driving frame 13 through a pre-tightening disc spring group 14. The side play adjustment transmission 8 is arranged at the top outside the tool holder 7 and the differential spindle nut 807 is inserted into the upper central bore 1301 of the drive carriage 13.
The tool rest 7 can adopt a welding steel structure type and is used for supporting the cutter shaft mechanism, the sleeve 11, the driving frame 13, the side clearance adjusting transmission mechanism 8 and the like.
The driving frame 13 is respectively provided with two central holes in parallel at the part connected with the cutter shaft and the part connected with the differential screw nut; the lower end of the driving frame 13 is connected with a sleeve 11, the sleeve 11 is arranged between the tool rest 7 and the cutter shaft body 4, and the cutter shaft body 4 penetrates through the sleeve and is connected with a transmission motor; the upper end is connected with a side clearance adjusting transmission mechanism 8, so that the differential screw rod moves in the upper center hole. Therefore, the sleeve is driven to move back and forth under the driving of the side clearance adjusting transmission mechanism 8. The sleeve moving back and forth drives the cutter shaft body to move back and forth in the cutter shaft hole of the cutter frame 7. The pre-tightening disc spring set 14 is arranged between the tool rest and the driving frame and is used for eliminating existing mechanical play.
The side clearance adjusting transmission mechanism 8 provides driving force for the forward and backward movement of the cutter shaft body 4. The differential lead screw nut 807 is connected with the driving frame 13 through a bolt, and the differential lead screw 806 can move in an upper central hole 1301 of the driving frame 13; the differential lead screw 806 and the differential lead screw nut 807 select proper thread pitches according to actual needs, so that the adjustment precision of the backlash can be easily controlled within 1 μm, the gear motor 802 provides power for the rotation (namely the adjustment of the backlash) of the differential lead screw 806, and the absolute value encoder 801 accurately controls the gear motor 802, so that the purpose of accurately controlling the forward and backward movement distance of the cutter shaft body is achieved.
The cutter shaft mechanism comprises a cutter shaft body 4 which penetrates through a cutter shaft hole and two ends of which correspondingly extend out of a lower center hole 1302 and the front end of a cutter rest 7, a bidirectional thrust cylindrical roller bearing 10, a cylindrical roller bearing II 9, a spacer bush 6 and a cylindrical roller bearing I5 are sequentially sleeved on the cutter shaft body 4 positioned in the cutter shaft hole from the tail end to the front end, wherein the free end face of the bidirectional thrust cylindrical roller bearing 10 abuts against the boss end face of the driving frame 13, and a positioning boss 1101 at the front end of the sleeve 1 is blocked on the free end face of the cylindrical roller bearing II 9; the front end of the cutter shaft body 4 extending out of the front end of the cutter frame is provided with a shear blade 3.
In the cutter shaft mechanism, a cutter shaft body 4 is used for providing support for a shear blade 3, a bidirectional thrust cylindrical roller bearing 10, a cylindrical roller bearing II 9, a spacer bush 6, a cylindrical roller bearing I5 and the like, and is fixedly arranged in a cutter frame 7 and a sleeve 11 through the cylindrical roller bearings I and II and the bidirectional thrust cylindrical roller bearing; and is also the final adjustment target of the side play adjusting transmission mechanism 8. The cylindrical roller bearing II 9 and the cylindrical roller bearing I5 are used for providing radial force for the cutter shaft body 4 and only allowing the cutter shaft body to move in the axial direction. The bidirectional thrust cylindrical roller bearing 10 provides axial force for the cutter shaft body 4, and performs radial and axial limiting on the cutter shaft body together with the cylindrical roller bearing. In order to ensure the installation precision and the structural reliability of the bidirectional thrust cylindrical roller bearing 10, a double-round nut 12 is further arranged on the cutter shaft body and behind the bidirectional thrust cylindrical roller bearing 10.
The device realizes the automatic adjustment of the side clearance by installing a side clearance adjusting transmission mechanism 8 on the upper part of a tool rest and connecting the side clearance adjusting transmission mechanism with a cutter shaft mechanism by a driving frame with an upper central hole and a lower central hole, and the tail part of a cutter shaft body can penetrate through the lower central hole of the driving frame to be connected with a transmission motor, thereby realizing the active transmission of the cutter shaft body; finally, the purposes of automatic high-precision adjustment of the side clearance and active transmission of the cutter shaft are achieved, and the structure of the device is simplified.
As a further improvement of the above scheme, the front end of the cutter shaft body 4 is further provided with a press ring 2 and a hydraulic nut 1, the shear blade 3 is locked on the cutter shaft body 4 through the hydraulic nut 1, and the press ring 2 is arranged between the shear blade 3 and the hydraulic nut 1.
Specifically, the method comprises the following steps. The shear blade 3 is used for directly shearing strip steel, is fixedly locked on the cutter shaft body 4 through the hydraulic nut 1 and moves along with the movement of the cutter shaft body. The hydraulic nut 1 is used for locking the shear blade 3, and the shearing quality is prevented from being influenced by shaking in the process of shearing the strip steel. The pressure rings 2 are here preferably provided in two. The compression ring 2 is used for compressing the strip steel in the process of shearing the strip steel, so that the phenomenon of arching or moving of the strip steel under the action of shearing force in the shearing process is avoided, and the shearing effect is not influenced.
The side clearance adjusting transmission mechanism 8 also comprises a double-row tapered roller bearing 805, the middle part of the differential screw 806 is sleeved with the double-row tapered roller bearing 805, and a bearing seat 804 is arranged outside the double-row tapered roller bearing; the bearing block 804 and the gear motor 802 are fixedly arranged on the tool rest 7. The bearing block 804 is mounted directly on the tool holder 7 and provides support for the differential lead screw 806 and the double row tapered roller bearing 805. The double-row tapered roller bearing 806 is installed inside the bearing seat 804 and used for limiting the differential lead screw 806 axially and radially at the same time, and the phenomenon that the differential lead screw moves to influence the adjustment precision in the process of adjusting the backlash is avoided.
The automatic side gap adjusting device of the belt-driven trimming shears further comprises a cutter shaft driving mechanism, the cutter shaft driving mechanism mainly comprises a (transmission) motor 18 and a gear box 16, the motor 18 is connected with one end of the gear box 16 through a coupler II 17, and the other end of the gear box 16 is connected with the end of the cutter shaft body 4 extending out of the lower center hole 1302 through a coupler 15. The coupling 15 is used for connecting the cutter shaft body 4 and the gear box 16, the other end of the gear box 16 is connected with the motor 18, the acting force of the motor is transmitted to the cutter shaft body, and the transmission of the cutter shaft body is realized.
Preferably, the coupling II 17 is a coupling with a brake disc. Because the cutter shaft is provided with the brake disc, the cutter shaft body can be locked under the action of the brake, so that the free rotation of the cutter shaft body is avoided.
Preferably, the motor 18 is connected to an incremental encoder 19 and is controlled by the incremental encoder 19. The incremental encoder is used for controlling the rotating speed of the motor to be consistent with the production speed of the unit, and can avoid scratching the strip steel.
The action process and the principle of the device are as follows:
when the edge shears begin to shear strip steel, the brake releases the belt brake disc coupling 17, the motor 18 keeps consistent with the speed of the strip steel of the unit under the control of the incremental encoder 19, the input end of the gear box 16 is driven, the output end of the gear box 16 directly drives the cutter shaft body 4 to rotate through the coupling 15, and therefore the shear blade 3 at the front end is driven to shear the strip steel.
When the backlash needs to be adjusted, firstly, the gear motor 802 precisely rotates by a certain angle under the precise control of the absolute value encoder 801, so as to drive the differential lead screw 806 to rotate by the same angle, the differential lead screw 806 drives the differential lead screw nut 807 to move forward or backward by a certain distance, the differential lead screw nut 807 is connected with the upper center hole 1301 of the driving frame 13, the differential lead screw nut 807 also drives the driving frame 13 to move by the same distance, the boss at the lower end of the driving frame 13 is connected with the sleeve 11, similarly, the driving frame 13 drives the sleeve 11 to move by the same distance, the sleeve 11 transmits acting force to the cutter shaft body 4 through the bidirectional thrust cylindrical roller bearing 10, so as to drive the cutter shaft body 4 to move by the same distance, and finally, the cutting edge 3 installed on the cutter shaft body 4 moves along with the cutter shaft body, so as to achieve the purpose of adjusting the.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a belt drive is cut edge and is cut side clearance automatic regulating apparatus which characterized in that: comprises a side clearance adjusting transmission mechanism, a tool rest, a driving frame and a cutter shaft mechanism;
the side clearance adjusting transmission mechanism mainly comprises a gear motor, a differential lead screw and an absolute value encoder; one end of the differential lead screw is connected with the gear motor through the coupler I, and the other end of the differential lead screw is connected with a differential lead screw nut; the absolute value encoder is connected with the gear motor and controls the gear motor;
an upper central hole and a lower central hole are arranged in the driving frame in a high-low and parallel manner, wherein the lower central hole is positioned in a boss of the driving frame; the driving frame is arranged at the tail end head of the tool rest, and a lug boss with a lower central hole is inserted into a tool shaft hole of the tool rest; the outer peripheral surface of the boss is fixedly provided with a sleeve, and the outer wall surface of the sleeve is in sliding fit with the inner wall surface of the cutter shaft hole of the cutter frame; the tail end face of the tool rest is connected with the driving frame through a pre-tightening disc spring group;
the side clearance adjusting transmission mechanism is arranged at the top of the outer side of the tool rest, and a differential lead screw nut is inserted into an upper center hole of the driving frame;
the cutter shaft mechanism comprises a cutter shaft body which penetrates through the cutter shaft hole and two ends of which correspondingly extend out of the lower center hole and the front end of the cutter rest, a bidirectional thrust cylindrical roller bearing, a cylindrical roller bearing II, a spacer bush and a cylindrical roller bearing I are sequentially sleeved on the cutter shaft body positioned in the cutter shaft hole from the tail end to the front end, wherein the free end face of the bidirectional thrust cylindrical roller bearing abuts against the boss end face of the driving frame, and a positioning boss at the front end of the sleeve bush is blocked on the free end face of the cylindrical roller bearing II; the front end of the cutter shaft body extending out of the front end of the cutter frame is provided with a shear blade.
2. The belt driven trim shear side gap automatic adjustment apparatus of claim 1, wherein: still be equipped with clamping ring and hydraulic nut on the arbor body front end, the shear blade passes through hydraulic nut locking on the arbor body, and the clamping ring setting is between shear blade and hydraulic nut.
3. The belt driven trim shear side gap automatic adjustment apparatus of claim 2, wherein: the clamping ring is provided with two.
4. The belt driven trim shear side gap automatic adjustment apparatus of claim 1, wherein: the middle part of the differential screw is sleeved with a double-row tapered roller bearing, and a bearing seat is arranged outside the double-row tapered roller bearing; the bearing seat and the gear motor are fixedly arranged on the tool rest.
5. The belt driven trim shear side gap automatic adjustment apparatus of claim 1, wherein: the cutter shaft driving mechanism mainly comprises a motor and a gear box, the motor is connected with one end of the gear box through a coupler II, and the other end of the gear box is connected with the end of the cutter shaft body extending out of the lower central hole through a coupler.
6. The belt driven trim shear side gap automatic adjustment apparatus of claim 5, wherein: and the coupling II is a coupling with a brake disc.
7. The belt driven trim shear side gap automatic adjustment apparatus of claim 5, wherein: the motor is connected with and controlled by the incremental encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171891.1U CN210615280U (en) | 2019-07-24 | 2019-07-24 | Automatic adjusting device for side clearance of belt-driven trimming shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171891.1U CN210615280U (en) | 2019-07-24 | 2019-07-24 | Automatic adjusting device for side clearance of belt-driven trimming shears |
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| CN210615280U true CN210615280U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921171891.1U Active CN210615280U (en) | 2019-07-24 | 2019-07-24 | Automatic adjusting device for side clearance of belt-driven trimming shears |
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| CN (1) | CN210615280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369780A (en) * | 2019-07-24 | 2019-10-25 | 中冶赛迪技术研究中心有限公司 | V belt translation end trimming shears side clearance automatic regulating apparatus |
-
2019
- 2019-07-24 CN CN201921171891.1U patent/CN210615280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369780A (en) * | 2019-07-24 | 2019-10-25 | 中冶赛迪技术研究中心有限公司 | V belt translation end trimming shears side clearance automatic regulating apparatus |
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