CN201793676U - Rod pinch roll device of steel rolling and pushing type steel tapping machine - Google Patents
Rod pinch roll device of steel rolling and pushing type steel tapping machine Download PDFInfo
- Publication number
- CN201793676U CN201793676U CN2010202797665U CN201020279766U CN201793676U CN 201793676 U CN201793676 U CN 201793676U CN 2010202797665 U CN2010202797665 U CN 2010202797665U CN 201020279766 U CN201020279766 U CN 201020279766U CN 201793676 U CN201793676 U CN 201793676U
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- dish spring
- roller bearing
- pinch
- bearing
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Abstract
The utility model relates to a rod pinch roll device of a steel rolling and pushing type steel tapping machine, which comprises a pinch stick assembly, a pinch roll frame and a regulating mechanism, and is characterized in that the pinch stick assembly comprises a main shaft, two cylindrical roller bearings, a tapered roller bearing, two bearing seats and a coupler, the pinch stick frame comprises a slideway and a sliding plate, the regulating mechanism comprises a disc spring device, a regulating lead screw and a cross beam, the disc spring device comprises a disc spring seat and a disc spring, the disc spring seat comprises an upper disc spring seat and a lower disc spring seat, the assembly of pinch rolls adopts the two cylindrical roller bearings for providing radial load support, wherein inner rings of the cylindrical roller bearings have no flanges, and the double-column back-to-back type tapered roller bearing is adopted for providing bearing load support, thereby being capable of bearing greater radial and axial loads, facilitating the regulation of pressure between two pinch rolls, being strong in shock resistance, prolonging the service life of the bearings of the pinch rolls, improving the utilization rate of equipment, reducing the maintenance downtime, further laying a foundation for increasing production and reducing labor intensity of workers.
Description
Technical field
The present invention relates to steel rolling production-line, especially steel rolling steel-pushing type extractor bar pinch roll apparatus.
Background technology
The pusher-type furnace of Steel Mill's production line of bar adopts the steel-pushing type extractor.Steel billet be heated in the process furnace temperature required after, release in process furnace by the steel-pushing type pusher.The pusher major parts is a pinch roll apparatus, and it is by the transmission of driven by motor step-down gear.During work, upper and lower two pinch rolls are clamped one and are gone out steel pole, and the positive and negative rotation of pinch roll has driven and seesawing of steel pole, thereby realize the action that pushes away steel and retreat.At present, the bearing selected for use of the pinch roll apparatus of the steel-pushing type extractor that generally adopts is a self-aligning roller bearing.This kind bearing can bearing radial force, can bear certain axial force again.But radial force and axial force that it can bear are less, and the extractor running time pushes away steel pole and can produce than big bang and impact, and make bearing life shorter, change the bearing maintenance and cause production line to stop production, and have incured loss through delay the production time, have reduced output.In addition, frequently changing bearing wastes time and energy, and has increased working strength of workers.
Summary of the invention
The technical problems to be solved in the utility model is; the existing pinch roll apparatus of forming the steel-pushing type extractor exists self-aligning roller bearing life-span when work of adopting short; as bearing failure; must shut down and change; influence is produced; increased the deficiency of working strength of workers,, also must redesign self-contained bearing seat, pinch roll frame and pinch roll shaft simultaneously again to the bearing type selecting.
The utility model solves its technical problem, the technical scheme of being taked is, it is by pinching the rod assembly, the pinch roll frame, form with regulating mechanism, two to pinch the rod assembly structure identical with mounting process, with one is example, pinching the rod assembly is by main shaft, two mouthfuls of cylinder roller bearings, a bite circular cone roller bearing, two bearing supports, shaft coupling, retaining ring is formed, main shaft is a step axle, there are four steps in thick neck left side, there are five steps on the right side, there is a retaining platform in wherein thick neck left side, cylinder roller bearing is that interior ring does not have the rib roller bearing, circular cone roller bearing is a biserial formula taper roller bearing back-to-back, left positioner ring and shaft coupling are that one and the step shaft neck corresponding with main shaft cooperate, pinching material rod internal diameter cooperates with the thick neck key of main shaft, bearing support is by pedestal, side cover and retaining ring are formed, the step axle journal that cylinder roller bearing and circular cone roller bearing inner ring are corresponding with main shaft cooperates pedestal and is circular, its internal diameter cooperates with cylinder roller outer race and circular cone roller bearing, side cover and cylinder roller bearing, circular cone roller bearing and pedestal cooperate, its internal diameter cooperates with the distant collar external diameter, bolt cooperates fixing with side cover and pedestal, oil sealing is arranged in the side cover, clamp cooperates fixing with main shaft right-hand member annular groove and distant collar, pinch the rod frame by slideway, slide plate is formed, two slide plates are slidingly matched with two slideways respectively, two two slide plate fitted bolts that pinch on rod assembly and the frame are fixed, regulating mechanism is made up of dish spring arrangement and adjusting leading screw and crossbeam, the dish spring arrangement is by the dish spring abutment, the dish spring is formed, the dish spring abutment is made up of last dish spring abutment and following dish spring abutment, following dish spring abutment cooperates screw to fix with bearing support on the rod, last dish spring abutment cooperates screw to fix with crossbeam on the frame, between last dish spring abutment and following dish spring abutment the dish spring is arranged, the nut of regulating on leading screw crossbeam both ends unthreaded hole and the slideway cooperates, the double nut locking.
The beneficial effects of the utility model are: this pinch roll assembling adopts two mouthfuls of inner rings not have the rib roller bearing provides radial loading to support; employing a bite biserial formula taper roller bearing back-to-back provides bearing load to support; can bear bigger radial and axial load; Chong Xinsheji more firm unit frame and regulating mechanism simultaneously; regulate the pressure between two pinch rolls easily; shock-resistance is strong; prolonged the work-ing life of pinch roll bearing; improved plant factor; reduced maintenance downtime; thereby lay the foundation for carrying producing, and alleviated working strength of workers.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1 is the utility model structure iron.
Fig. 2 is the left view of the utility model Fig. 1.
Embodiment
Embodiment of the present utility model is: with reference to Fig. 1, Fig. 2, it is by pinching the rod assembly, the pinch roll frame, form with regulating mechanism, two to pinch the rod assembly structure identical with mounting process, with one is example, pinching the rod assembly is by main shaft 1, two mouthfuls of cylinder roller bearings 3,26 a bite circular cone roller bearings 24, two bearing supports, shaft coupling 31 is formed, main shaft 1 is a step axle, there are four steps in thick neck left side, there are five steps on the right side, there is a retaining platform in wherein thick neck left side, cylinder roller bearing 3,26 do not have the rib roller bearing for interior ring, circular cone roller bearing 24 is a biserial formula taper roller bearing back-to-back, left positioner ring and shaft coupling are that one and the step shaft neck corresponding with main shaft 1 cooperate, pinching material rod 13 internal diameters cooperates with main shaft 1 thick neck key, bearing support is by pedestal, side cover 2,12 and spacing position ring 22 form, cylinder roller bearing 3,26 and circular cone roller bearing 24 in the corresponding step axle journal cooperation of ring and main shaft 1, pedestal be the circle, its internal diameter and cylinder roller bearing 3,26 outer shrouds and circular cone roller bearing 24 cooperate, side cover 2,12 with cylinder roller bearing 3,26, circular cone roller bearing 24 and pedestal cooperate, its internal diameter cooperates with distant collar 22 external diameters, bolt cooperates fixing with side cover and pedestal, side cover 2, oil sealing is arranged in 12, clamp 23 cooperates fixing with main shaft 1 right-hand member annular groove and distant collar 22, pinch the rod frame by slideway, slide plate is formed, two slide plates 32,33 respectively with two slideways 28,29 are slidingly matched, two two slide plates 32 that pinch on rod assembly and the frame, 33 fitted bolts are fixed, regulating mechanism is made up of dish spring arrangement and adjusting leading screw and crossbeam, the dish spring arrangement is by the dish spring abutment, the dish spring is formed, the dish spring abutment is by last dish spring abutment 6,10,18,19 and following dish spring abutment 4,21 form, following dish spring abutment 4,21 bearing supports identical with bearing support 11 on the rod cooperate screw to fix, last dish spring abutment 6,10,18,19 with frame on crossbeam 8 cooperate screw to fix, last dish spring abutment 6,10,18,19 and following dish spring abutment 4,21 have dish spring 5,20, crossbeam 8 both ends unthreaded holes and adjusting leading screw 9,14 cooperate, the double nut locking, during use, regulate dish spring 5 by nut and leading screw, 20 elastic force size, to reach the required power of using, during work, two pinch rolls always rotate in the relative direction, the workpiece 30 that the centre is folded is sent, workpiece travels forward, the steel billet that withstands in the process furnace then travels forward, and reaches the purpose of tapping.
Claims (3)
1. steel rolling steel-pushing type extractor bar pinch roll apparatus, it is by pinching the rod assembly, the pinch roll frame, form with regulating mechanism, it is characterized in that: pinching the rod assembly is by main shaft, two mouthfuls of cylinder roller bearings, a bite circular cone roller bearing, two bearing supports, shaft coupling, retaining ring is formed, left positioner ring and shaft coupling are that one and the step shaft neck corresponding with main shaft cooperate, pinching material rod internal diameter cooperates with the thick neck key of main shaft, bearing support is by pedestal, side cover and retaining ring are formed, the step axle journal that cylinder roller bearing and circular cone roller bearing inner ring are corresponding with main shaft cooperates pedestal and is circular, its internal diameter cooperates with cylinder roller outer race and circular cone roller bearing, side cover and cylinder roller bearing, circular cone roller bearing and pedestal cooperate, its internal diameter cooperates with the distant collar external diameter, bolt cooperates fixing with side cover and pedestal, oil sealing is arranged in the side cover, clamp cooperates fixing with main shaft right-hand member annular groove and distant collar, pinch the rod frame by slideway, slide plate is formed, two slide plates are slidingly matched with two slideways respectively, two two slide plate fitted bolts that pinch on rod assembly and the frame are fixed, regulating mechanism is made up of dish spring arrangement and adjusting leading screw and crossbeam, the dish spring arrangement is by the dish spring abutment, the dish spring is formed, the dish spring abutment is made up of last dish spring abutment and following dish spring abutment, following dish spring abutment cooperates screw to fix with bearing support on the rod, last dish spring abutment cooperates screw to fix with crossbeam on the frame, between last dish spring abutment and following dish spring abutment the dish spring is arranged, the nut of regulating on leading screw crossbeam both ends unthreaded hole and the slideway cooperates, the double nut locking.
2. steel rolling steel-pushing type extractor bar pinch roll apparatus according to claim 1, it is characterized in that: the main shaft that pinches the rod assembly is a step axle, and there are four steps in thick neck left side, and there are five steps on the right side, and there is a retaining platform in wherein thick neck left side.
3. steel rolling steel-pushing type extractor bar pinch roll apparatus according to claim 1, it is characterized in that: cylinder roller bearing is that interior ring does not have the rib roller bearing, circular cone roller bearing is a biserial formula taper roller bearing back-to-back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202797665U CN201793676U (en) | 2010-07-31 | 2010-07-31 | Rod pinch roll device of steel rolling and pushing type steel tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202797665U CN201793676U (en) | 2010-07-31 | 2010-07-31 | Rod pinch roll device of steel rolling and pushing type steel tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201793676U true CN201793676U (en) | 2011-04-13 |
Family
ID=43848596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202797665U Expired - Fee Related CN201793676U (en) | 2010-07-31 | 2010-07-31 | Rod pinch roll device of steel rolling and pushing type steel tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201793676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756884A (en) * | 2019-10-31 | 2020-02-07 | 中冶华天南京工程技术有限公司 | Automatic adjusting device for roll shaft of pinch roll in front of high-speed multi-length flying shear |
-
2010
- 2010-07-31 CN CN2010202797665U patent/CN201793676U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756884A (en) * | 2019-10-31 | 2020-02-07 | 中冶华天南京工程技术有限公司 | Automatic adjusting device for roll shaft of pinch roll in front of high-speed multi-length flying shear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120731 |