CN210614648U - Automatic regulating device for rolling reduction of hot-rolled strip steel shearing and crimping device - Google Patents
Automatic regulating device for rolling reduction of hot-rolled strip steel shearing and crimping device Download PDFInfo
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- CN210614648U CN210614648U CN201921181655.8U CN201921181655U CN210614648U CN 210614648 U CN210614648 U CN 210614648U CN 201921181655 U CN201921181655 U CN 201921181655U CN 210614648 U CN210614648 U CN 210614648U
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Abstract
The utility model relates to a hot rolling belted steel cuts crimping device draft automatic regulating apparatus belongs to belted steel and cuts crimping technical field. The device comprises a connecting rod assembly and a pressing amount adjusting mechanism; the connecting rod assembly is matched with an eccentric crankshaft in the hot-rolled strip steel shearing and pressing device and a support in the reduction adjusting mechanism to form a slider-crank mechanism, a split type bearing seat is used as a connecting rod of the slider-crank mechanism, the slider-crank mechanism drives the upper shearing and pressing device through the eccentric crankshaft and is connected with the reduction adjusting mechanism through a connecting shaft to realize force transmission, and finally, a double-output-shaft gear motor is accurately controlled through an absolute value encoder to drive a worm mechanism, so that an eccentric sleeve is driven to rotate, the automatic adjustment of the height of a tool apron in the upper shearing and pressing device is realized, and the automatic adjustment function of the reduction is finally realized, so that the production efficiency and the safety are improved.
Description
Technical Field
The utility model belongs to the technical field of the crimping is cuted to belted steel, concretely relates to hot rolling belted steel cuts crimping device draft automatic regulating apparatus.
Background
The traditional hot continuous rolling finishing mill group for plate and strip rolls a single intermediate billet, and the processes of threading, accelerated rolling, decelerated rolling, steel throwing, tail flicking and the like cannot be avoided when the intermediate billet enters the finishing mill group. Therefore, the thickness difference of the head and the tail of the strip steel and the threading quality uniformity are difficult to ensure, and the rolling operation rate and the yield are also limited to a certain extent.
With the new and higher demands for sheet quality in the industries of automobiles, home appliances, and the like, the size, shape accuracy, surface and internal quality have become equally important quality keys. The hot-rolled strip steel endless rolling technology shows incomparable superiority of traditional tropical rolling in the aspects of ultrathin tropical rolling, plate thickness precision control, strip length stability control, productivity improvement and the like.
The intermediate billet connecting technology is a key technology of endless rolling, and currently comprises the following steps: a lap-rolling press-bonding method, a shear press-bonding method, a welding method, a mechanical joining method, a reduction flame treatment joining method, a direct-energization joining method, an induction heating joining method, a laser welding method, and the like. The shearing and crimping method is favored because of its advantages of high rhythm, small occupied area, excellent connecting effect, etc.
For realizing the connection of the intermediate blank by adopting the eccentric crankshaft shearing and crimping method, the problem is that when the thickness of the plate blank is changed, the pressing amount of the upper shearing and crimping device needs to be adjusted, so that the synchronization of the upper shearing and crimping device and the lower shearing and crimping device is ensured, and the shearing and crimping effect is prevented from being influenced. Due to the high-temperature environment on site, manual adjustment is very difficult, and the production rhythm is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a crimping device draft automatic regulating apparatus is cuted to strip steel to satisfy the online automatic high accuracy of shearing crimping device and adjust shearing device's draft, thereby improve production efficiency and security.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a hot-rolled strip steel shearing and crimping device rolling reduction automatic regulating device comprises a connecting rod assembly and a rolling reduction regulating mechanism;
the connecting rod assembly mainly comprises a split type bearing seat, a connecting shaft and a sliding bearing I, wherein the split type bearing seat is provided with an upper shaft hole and a lower shaft hole, the upper shaft hole is used for being clamped on an eccentric crankshaft of the hot-rolled strip steel shearing and crimping device, the lower shaft holes are oppositely arranged on support lugs on two sides of the lower part of the split type bearing seat, and the connecting shaft is inserted in the lower shaft holes through the sliding bearing I;
the pressing amount adjusting mechanism mainly comprises an eccentric sleeve, a sliding bearing II, a support and a worm mechanism; the eccentric sleeve is sleeved on the connecting shaft and positioned between the support lugs at two sides of the lower part of the split type bearing seat, a worm wheel which can be matched with the worm is arranged on the peripheral surface of the eccentric sleeve, the support is sleeved outside the eccentric sleeve, the sliding bearing II is arranged between the peripheral surface of the eccentric sleeve and the support, a worm shaft hole is arranged on the support, the worm mechanism is arranged on the support, the worm in the worm mechanism is inserted into the worm shaft hole, and the worm is meshed with the worm wheel on the eccentric sleeve;
the bottom of the support is fixedly connected with an upper shearing and crimping device of the hot-rolled strip steel shearing and crimping device.
Further, the worm mechanism comprises a double-output-shaft gear motor, a worm bearing seat and a worm locking and positioning device, one end of the double-output-shaft gear motor is connected with the worm through a coupler, the other end of the double-output-shaft gear motor is connected with the absolute value encoder through a coupler, the double-output-shaft gear motor is arranged on the support and is located outside the worm shaft hole together with the absolute value encoder, and the worm bearing seat and the worm locking and positioning device are both arranged in the worm shaft hole and are respectively arranged at two ends of the worm.
Further, the worm mechanism further comprises an encoder mounting support, the encoder mounting support and the coupler are respectively fastened on two sides of the double-output-shaft gear motor, and the absolute value encoder is arranged on the encoder mounting support.
Furthermore, the split bearing block comprises an upper bearing block, a lower bearing block and a connecting screw rod, the upper bearing block positioned above is connected with the lower bearing block positioned below into a whole through the connecting screw rod, an upper shaft hole is formed by buckling the upper bearing block and the lower bearing block, support lugs are arranged on two sides of the lower part of the lower bearing block, and lower shaft holes are formed in the support lugs on the two sides.
Furthermore, the connecting screw is a double-end screw, the upper end of the connecting screw is locked with the upper bearing seat through a hydraulic nut, and the lower end of the connecting screw is locked with the lower bearing seat through a cylindrical nut.
The beneficial effects of the utility model reside in that:
the automatic adjusting device realizes the driving of the crank block mechanism to the upper shearing and crimping device through the eccentric crankshaft, the split type bearing seat is used as a connecting rod of the crank block mechanism and connected with the reduction adjusting mechanism through a connecting shaft, so that the force transmission is realized, and finally, the double-output shaft gear motor is accurately controlled through the absolute value encoder to drive the worm mechanism, so that the eccentric sleeve is driven to rotate, the automatic adjustment of the height of the tool apron in the upper shearing and crimping device is realized, the automatic adjusting function of the reduction is finally realized, and the production efficiency and the safety are improved.
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 view showing the assembly of an automatic rolling reduction adjusting device on a hot rolled strip shearing and crimping device;
FIG. 2 is a schematic view of the construction of the connecting rod assembly;
FIG. 3 is a schematic view A-A of FIG. 2;
FIG. 4 is a schematic structural view of a rolling reduction adjusting mechanism;
fig. 5 is a schematic view of fig. 4 in the direction B.
Reference numerals:
the device comprises an eccentric crankshaft-1, a fixed frame-2, a swinging frame-3, a connecting rod assembly-4, a draft adjusting mechanism-5, an upper shearing and crimping device-6, a lower shearing and crimping device-7 and a balance system-8;
a connecting screw rod-401, a hydraulic nut-402, an upper bearing seat-403, a lower bearing seat-404, a support lug-4041, a cylindrical nut-405, a split sliding bearing-406, a connecting shaft-407, a sliding bearing I-408, an upper shaft hole-409 and a lower shaft hole-410;
the device comprises a support saddle 501, a sliding bearing II-502, an eccentric sleeve-503, an absolute value encoder-504, a coupling-505, an encoder mounting bracket-506, a double-output shaft gear motor-507, a coupling-508, a worm bearing seat-509, a worm-510, a worm locking positioning device-511 and a worm shaft hole-512.
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.
The automatic rolling reduction adjusting device is applied to a hot-rolled strip steel shearing and crimping device which mainly comprises an eccentric crankshaft 1, a fixed frame 2, a swinging frame 3, an upper shearing and crimping device 6, a lower shearing and crimping device 7 and a balance system 8. Wherein, the upper shearing and crimping device 6 is correspondingly arranged above the lower shearing and crimping device 7, the fixed frame 2 is used as a supporting frame, and the eccentric crankshaft is arranged at the top of the supporting frame; the swing frame is arranged on the inner side of the fixed frame, the top of the swing frame is also connected with the eccentric crankshaft, and the swing of the swing frame can be realized under the driving of the eccentric crankshaft; the lower shearing and crimping device is arranged at the lower part of the swinging frame and realizes synchronous motion with the swinging frame under the drive of the eccentric crankshaft; the upper shearing and crimping device is connected with the eccentric crankshaft through the automatic pressing amount adjusting device; the two sides of the upper shearing and crimping device are connected with the swinging frame through the balance system 8, and the balance system 8 can adjust the shearing state of the shearing edge in the upper shearing and crimping device and the stress state of the swinging frame in the process of adjusting the shearing and crimping.
The automatic rolling reduction adjusting device comprises a connecting rod assembly 4 and a rolling reduction adjusting mechanism 5.
The connecting rod assembly 4 mainly comprises a split type bearing seat, a connecting shaft 407 and a sliding bearing I408, the split type bearing seat is provided with an upper group of shaft holes and a lower group of shaft holes, wherein the upper shaft hole 409 is embraced on the eccentric crankshaft 1 of the hot-rolled strip steel shearing and crimping device, the lower shaft holes 410 are oppositely arranged on support lugs 4041 at two sides of the lower part of the split type bearing seat, and the connecting shaft 407 is inserted in the lower shaft holes 410 through the sliding bearing I408.
Specifically, the split bearing block includes an upper bearing block 403, a lower bearing block 404 and a connecting screw 401, the upper bearing block 403 located above is connected with the lower bearing block 404 located below through the connecting screw 401 to form a whole, an upper shaft hole 409 is formed by buckling the upper bearing block 403 with the lower bearing block 404, support lugs 4041 are arranged on two sides of the lower portion of the lower bearing block 404, and a lower shaft hole 410 is correspondingly arranged on the support lugs 4041 on two sides.
In the connecting rod assembly 4, the upper and lower split structures of the bearing seat are convenient for realizing the connection assembly between the bearing seat and the eccentric crankshaft 1, and can simultaneously bear the connecting rod function of the slider-crank mechanism, so that the force of the eccentric crankshaft 1 is transmitted to the reduction adjusting mechanism 5.
A split sliding bearing 406 is further arranged between the eccentric crankshaft and the upper bearing seat 403 and the lower bearing seat 404, the upper part of the split sliding bearing 406 is matched with the upper bearing seat, and the lower part of the split sliding bearing 406 is matched with the lower bearing seat, so that the lubricating friction between the upper bearing seat and the lower bearing seat is realized.
The lower part of the lower bearing pedestal 404 is in the form of a U-shaped hollow groove, wherein the hollow part is used for arranging a driving device of the reduction adjusting mechanism 5, and the space can be saved.
The connecting screw 401 is preferably a double-headed screw for connecting the upper and lower bearing blocks, and has an upper end locked to the upper bearing block 403 by a hydraulic nut 402 to transmit force and a lower end locked to the lower bearing block 404 by a cylindrical nut 405. The structure of the cylindrical nut 405 is that a threaded hole is arranged at the radial center of a cylinder and is connected with a double-end screw, and the cylindrical nut is integrally arranged in a shaft hole of a lower bearing seat. After the screw thread takes place to damage, only need to change the cylinder nut can, need not to change the bearing frame, can reduce the cost, improve assembly efficiency.
The reduction adjusting mechanism 5 mainly comprises an eccentric sleeve 503, a sliding bearing II 502, a support 501 and a worm mechanism; the eccentric sleeve 503 is sleeved on the connecting shaft 407 and located between the support lugs 4041 on two sides of the lower portion of the split bearing seat, a worm wheel capable of being matched with the worm is arranged on the outer circumferential surface of the eccentric sleeve 503, namely the eccentric sleeve 503 is an eccentric sleeve with the worm wheel, the support 501 is sleeved outside the eccentric sleeve 503, the sliding bearing II 502 is arranged between the outer circumferential surface of the eccentric sleeve 503 and the support 501, a worm shaft hole 512 is arranged on the support 501, the worm mechanism is arranged on the support 501, the worm 510 in the worm mechanism is inserted into the worm shaft hole 512, and the worm 510 is meshed with the worm wheel on the eccentric.
The worm mechanism comprises a double-output-shaft gear motor 507, a worm bearing seat 509, a worm locking and positioning device 511 and an encoder mounting bracket 506, wherein one end of the double-output-shaft gear motor 507 is connected with a worm 510 through a coupler 508, the other end of the double-output-shaft gear motor is connected with an absolute value encoder 504 through a coupler 505, the double-output-shaft gear motor 507 is arranged on the support 501 and is located outside a worm shaft hole 512 together with the absolute value encoder 504, and the worm bearing seat 509 and the worm locking and positioning device 511 are both arranged in the worm shaft hole 512 and are respectively arranged at two ends of the worm 510. An encoder mounting bracket 506 and a coupling 508 are respectively fastened to both sides of the dual output shaft gear motor 507, and the absolute value encoder 504 is provided on the encoder mounting bracket 506. The bottom of the support 501 is fixedly connected with an upper shearing and crimping device 6 of the hot rolled strip steel shearing and crimping device.
In the rolling reduction adjusting mechanism 5, a support 501 is of an integral structure, the outer part of the support is directly connected with a support in an upper shearing and crimping device 6, a connecting shaft 407 is inserted into the support, and the connecting shaft 407 is respectively connected with a lower bearing seat 404 and an eccentric sleeve with a turbine. The support 501 provides support for a worm gear system, an eccentric sleeve 503 and other mechanisms on one hand, and is matched with the connecting shaft 407 to achieve force transmission on the other hand.
The worm shaft hole 512 is a rectangular hole formed in the middle of the integral support for mounting a worm. The eccentric sleeve with the worm wheel is arranged inside the integral support, a sliding bearing II 502 is arranged between the support 501 and the eccentric sleeve 503, and the eccentric sleeve 503 can rotate under the driving of the worm 510, so that the lifting of the center hole axis of the eccentric sleeve 503 is realized.
The absolute value encoder 504 is used for accurately controlling the double-shaft gear motor 507, the double-shaft gear motor 507 is connected with the worm 510 through the shaft coupling 508, and the transmission of the worm wheel on the eccentric sleeve is realized by driving the worm 510.
The worm bearing seat 509 and the worm locking and positioning device 511 are used for installing and supporting the worm and locking and positioning the worm.
The connecting rod assembly 4 is matched with the eccentric crankshaft 1 and the support to form a crank block mechanism which is directly connected with the eccentric crankshaft 1 in the hot rolled strip steel shearing and pressing device, the eccentric crankshaft 1 drives the connecting rod assembly when rotating, and the connecting rod assembly drives the support through the connecting shaft, so that the upper and lower lifting motions of the upper shearing and pressing device are realized.
The automatic adjusting device realizes the driving of the crank block mechanism to the upper shearing and crimping device through the eccentric crankshaft, the split type bearing seat is used as a connecting rod of the crank block mechanism and connected with the reduction adjusting mechanism through a connecting shaft, so that the force transmission is realized, and finally, the double-output shaft gear motor is accurately controlled through the absolute value encoder to drive the worm mechanism, so that the eccentric sleeve is driven to rotate, the automatic adjustment of the height of the tool apron in the upper shearing and crimping device is realized, the automatic adjusting function of the reduction is finally realized, and the production efficiency and the safety are improved.
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 (5)
1. The utility model provides a hot rolling strip steel shearing crimping device draft automatic regulating apparatus which characterized in that: comprises a connecting rod assembly and a pressing amount adjusting mechanism;
the connecting rod assembly mainly comprises a split type bearing seat, a connecting shaft and a sliding bearing I, wherein the split type bearing seat is provided with an upper shaft hole and a lower shaft hole, the upper shaft hole is used for being clamped on an eccentric crankshaft of the hot-rolled strip steel shearing and crimping device, the lower shaft holes are oppositely arranged on support lugs on two sides of the lower part of the split type bearing seat, and the connecting shaft is inserted in the lower shaft holes through the sliding bearing I;
the pressing amount adjusting mechanism mainly comprises an eccentric sleeve, a sliding bearing II, a support and a worm mechanism; the eccentric sleeve is sleeved on the connecting shaft and positioned between the support lugs at two sides of the lower part of the split type bearing seat, a worm wheel which can be matched with the worm is arranged on the peripheral surface of the eccentric sleeve, the support is sleeved outside the eccentric sleeve, the sliding bearing II is arranged between the peripheral surface of the eccentric sleeve and the support, a worm shaft hole is arranged on the support, the worm mechanism is arranged on the support, the worm in the worm mechanism is inserted into the worm shaft hole, and the worm is meshed with the worm wheel on the eccentric sleeve;
the bottom of the support is fixedly connected with an upper shearing and crimping device of the hot-rolled strip steel shearing and crimping device.
2. The automatic rolling reduction adjusting device of a hot-rolled strip steel shearing and crimping device according to claim 1, characterized in that: the worm mechanism comprises a double-output-shaft gear motor, a worm bearing seat and a worm locking and positioning device, one end of the double-output-shaft gear motor is connected with the worm through a coupler, the other end of the double-output-shaft gear motor is connected with an absolute value encoder through a coupler, the double-output-shaft gear motor is arranged on the support and is located outside the worm shaft hole together with the absolute value encoder, and the worm bearing seat and the worm locking and positioning device are both arranged in the worm shaft hole and are respectively arranged at two ends of the worm.
3. The automatic rolling reduction adjusting device of a hot-rolled strip steel shearing and crimping device according to claim 2, characterized in that: the worm mechanism further comprises an encoder mounting support, the encoder mounting support and the coupler are respectively fastened on two sides of the double-output-shaft gear motor, and the absolute value encoder is arranged on the encoder mounting support.
4. The automatic rolling reduction adjusting device of a hot-rolled strip steel shearing and crimping device according to claim 1 or 2, characterized in that: the split bearing block comprises an upper bearing block, a lower bearing block and a connecting screw rod, the upper bearing block positioned above is connected with the lower bearing block positioned below into a whole through the connecting screw rod, an upper shaft hole is formed by buckling the upper bearing block and the lower bearing block, support lugs are arranged on two sides of the lower part of the lower bearing block, and lower shaft holes are formed in the support lugs on two sides.
5. The automatic rolling reduction adjusting device of a hot-rolled strip steel shearing and crimping device according to claim 4, characterized in that: the connecting screw is a double-end screw, the upper end of the connecting screw is locked with the upper bearing seat through a hydraulic nut, and the lower end of the connecting screw is locked with the lower bearing seat through a cylindrical nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181655.8U CN210614648U (en) | 2019-07-25 | 2019-07-25 | Automatic regulating device for rolling reduction of hot-rolled strip steel shearing and crimping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181655.8U CN210614648U (en) | 2019-07-25 | 2019-07-25 | Automatic regulating device for rolling reduction of hot-rolled strip steel shearing and crimping device |
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| CN210614648U true CN210614648U (en) | 2020-05-26 |
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| CN201921181655.8U Active CN210614648U (en) | 2019-07-25 | 2019-07-25 | Automatic regulating device for rolling reduction of hot-rolled strip steel shearing and crimping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303050A (en) * | 2019-07-25 | 2019-10-08 | 中冶赛迪技术研究中心有限公司 | Hot-strip shears compression bonding apparatus drafts self-checking device |
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2019
- 2019-07-25 CN CN201921181655.8U patent/CN210614648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303050A (en) * | 2019-07-25 | 2019-10-08 | 中冶赛迪技术研究中心有限公司 | Hot-strip shears compression bonding apparatus drafts self-checking device |
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