CN216801174U - Upper roller system stabilizing device of plate straightener - Google Patents
Upper roller system stabilizing device of plate straightener Download PDFInfo
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- CN216801174U CN216801174U CN202123044193.5U CN202123044193U CN216801174U CN 216801174 U CN216801174 U CN 216801174U CN 202123044193 U CN202123044193 U CN 202123044193U CN 216801174 U CN216801174 U CN 216801174U
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Abstract
The utility model relates to an upper roller system stabilizing device of a plate straightener, and belongs to the technical field of plate straightening equipment in the metallurgical industry. The technical scheme is as follows: comprises a locking hydraulic cylinder (1), a connecting ball head (2), a base (3) and a positioning sliding plate (4); the front end of the connecting ball head (2) is of a hemispherical structure (21), and the rear end of the connecting ball head (2) is of a cylindrical structure (22); the positioning sliding plate (4) comprises a positioning plate (41) and a bottom plate (42) which are vertically arranged and a reinforcing rib plate (43) arranged between the positioning plate (41) and the bottom plate (42); a hydraulic cylinder base (13) is fixed on the base (3), a push rod (11) of the locking hydraulic cylinder (1) is in threaded connection with the rear end of the connecting ball head (2), and the front end of the connecting ball head (2) is propped against the positioning plate (41). The beneficial effects of the utility model are: the problem that the center lines of the roller systems are staggered and crossed due to the fact that the roller systems shake and are staggered in the straightening process is solved, and the stability of the straightening equipment is improved.
Description
Technical Field
The utility model relates to an upper roller system stabilizing device of a plate straightener, and belongs to the technical field of plate straightening equipment in the metallurgical industry.
Background
The straightener is important equipment on a hot rolling medium plate production line, straightens a rolled steel plate, and straightening the steel plate is an important technological means which is generally adopted for optimizing the performance of the steel plate, ensuring the unevenness of the steel plate to reach the standard and optimizing the rolling rhythm. The roller system and the transmission system of the straightening machine are core components of the straightening machine, and the running stability of the roller system and the transmission system directly determines the stability of the straightening machine.
Considering the inclination of the inlet and outlet gaps of the straightening roll and the restraint and positioning of the upper movable frame during the replacement of the roll system, the positioning slide plate is usually arranged at the movable frame fixedly connected above the roll system, and a gap is arranged between the two slide plates, namely, the roll system of the straightening machine realizes the inclination setting and restraint of the straightening roll gap through the arc-shaped copper slide plates arranged at the four corners of the movable frame fixedly connected above the roll system and the rectangular slide plate at the side of the memorial archway, as shown in the attached drawing 13. Because the copper sliding plate is positioned above the upper movable frame and the roller system is in a cantilever state, the stress of the roller system is large, the stability is poor, the designed gap between the copper sliding plates and the frequent impact action of the straightening steel plate cause the abrasion of the sliding plates, the deflection deformation of the roller system when the high-strength steel plate is straightened and the like, the roller system shakes and misplaces in the straightening process, so that the theoretical central line and the actual central line of the straightening roller system have deviation, and a large axial force is generated, and finally equipment accidents such as the damage and the blocking of the roller system bearing, the steel sticking of the roller surface, the breakage of a main transmission universal connecting shaft, the axial movement failure of a safety coupling, the breakage and even the breakage of the roller surface of the straightening roller and the like are frequent, and the normal production rhythm is seriously influenced.
The sliding plate replacement process is complicated, the time consumption is long, the effect is not good, only the roller system, the universal spindle and the like can be replaced, and the problems cannot be fundamentally solved. Therefore, how to avoid the occurrence of the phenomena of shaking, dislocation and crossing of the straightening roller system, reduce or even eliminate the axial force, and ensure the stable operation of the straightening equipment is always a key problem which is concerned in the industry, and therefore, a new technical scheme is needed to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an upper roller system stabilizing device of a plate straightener, which avoids the problem that the central lines of roller systems are staggered and crossed due to the shaking and dislocation of the upper roller system in the straightening process, improves the stability of the straightening equipment and solves the problems in the background technology.
The technical scheme of the utility model is as follows:
an upper roll system stabilizing device of a plate straightener comprises a locking hydraulic cylinder, a connecting ball head, a base and a positioning sliding plate, wherein the locking hydraulic cylinder comprises a push rod, a hydraulic cylinder base and a displacement sensor; the front end of the connecting ball head is of a hemispherical structure, and the rear end of the connecting ball head is of a cylindrical structure; the positioning slide plate comprises a positioning plate and a bottom plate which are vertically arranged and a reinforcing rib plate arranged between the positioning plate and the bottom plate; the hydraulic cylinder base is fixed on the base, a push rod of the locking hydraulic cylinder is in threaded connection with the rear end of the connecting ball head, and the front end of the connecting ball head is propped against the positioning plate.
The hydraulic cylinder base is provided with a rectangular boss, the rectangular boss is provided with a bolt through hole, and the base is provided with a rectangular groove and an internal thread through hole which are matched with the rectangular boss and the bolt through hole.
The rectangular boss on the hydraulic cylinder base is arranged in the rectangular groove of the base and is positioned and connected together through the outer hexagonal bolt.
The push rod of the locking hydraulic cylinder is provided with an external thread; the rear end of the connecting ball head is provided with an internal thread matched with the external thread.
When the device is used, the device is arranged on the transmission side and the operation side of the outlet and the inlet of the housing of the straightening machine and the upper roll system of the straightening machine. In the steel plate straightening process, the positioning plate is matched with the connecting ball head, and the roller system is restrained by the locking hydraulic cylinder, so that the roller system is effectively prevented from shaking, dislocating and crossing.
The utility model has the beneficial effects that: the method can avoid the dislocation and intersection of the central lines of the roller systems caused by the shaking and dislocation of the upper roller systems in the straightening process, and improve the stability of the straightening equipment. The device has the advantages of simple structure, convenience in installation, low precision requirement, easiness in maintenance, wide applicability and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a locking hydraulic cylinder;
FIG. 3 is a schematic view of a connecting ball structure;
FIG. 4 is a schematic view of a base structure;
FIG. 5 is a schematic view of a positioning slide plate;
FIG. 6 is a schematic view of internal threads of a housing and a roller system of the straightening machine;
FIG. 7 is a schematic view showing the installation of the leveler at the operation side;
FIG. 8 is an enlarged view taken at A in FIG. 7;
FIG. 9 is a schematic view showing the installation of the leveler at the installation side;
FIG. 10 is an enlarged view of FIG. 9 at B;
FIG. 11 is a schematic view of the application in a non-straightened state;
FIG. 12 is a schematic view of the application in a straightened state;
FIG. 13 is a schematic view of a positioning sled of the prior art;
in the figure: 1-locking hydraulic cylinder, 11-push rod, 12-external thread, 13-hydraulic cylinder base, 14-rectangular boss, 15-bolt through hole and 16-displacement sensor; 2-connecting a ball head, 21-a hemispherical structure, 22-a cylindrical structure, 23-an internal thread; 3-a base, 31-a countersunk head bolt through hole, 32-an internal thread through hole and 33-a rectangular groove; 4-positioning slide plate, 41-positioning plate, 42-bottom plate, 43-reinforcing rib plate and 44-through hole; 5-an upper roll system stabilizing device, 6-an upper movable frame and 7-a straightener roll system; 01-straightening machine housing, 001-internal thread; 02-straightening machine upper roll system, 002-internal thread; 03-straightening the steel plate.
Detailed Description
The utility model is further illustrated by way of example in the following with reference to the accompanying drawings.
Referring to the attached drawings 1-12, an upper roll system stabilizing device of a plate straightener comprises a locking hydraulic cylinder 1, a connecting ball head 2, a base 3 and a positioning sliding plate 4, wherein the locking hydraulic cylinder 1 comprises a push rod 11, a hydraulic cylinder base 13 and a displacement sensor 16; the front end of the connecting ball head 2 is of a hemispherical structure 21, and the rear end of the connecting ball head 2 is of a cylindrical structure 22; the positioning slide plate 4 comprises a positioning plate 41 and a bottom plate 42 which are vertically arranged and a reinforcing rib plate 43 arranged between the positioning plate 41 and the bottom plate 42; the hydraulic cylinder base 13 is fixed on the base 3, the push rod 11 of the locking hydraulic cylinder 1 is connected with the rear end of the connecting ball head 2 through threads, and the front end of the connecting ball head 2 is propped against the positioning plate 41.
In this embodiment, as shown in fig. 1 to 5, an external thread 12 is provided at the end of a push rod 11 of the locking hydraulic cylinder 1, rectangular bosses 14 are provided at four corners below a hydraulic cylinder base 13, the bottom surface of the boss is a finish-machined surface, the rectangular boss 14 is provided with a bolt through hole 15, and a displacement sensor 16 is provided at the end of a hydraulic cylinder body.
The front end of the connecting ball head 2 is of a hemispherical structure 21, the rear end of the connecting ball head is of a cylindrical structure 22, and the connecting ball head is provided with an internal thread 23, and the internal thread 23 is in threaded connection with the external thread 12 of the locking hydraulic cylinder 1.
The base 3 is integrally designed into a rectangular thick plate-shaped structure, a countersunk bolt through hole 31 is formed in the inner side of the base, an internal thread through hole 32 and a rectangular groove 33 are formed in the outer side of the base, and the distribution and the size of the internal thread through hole 32 are consistent with those of the bolt through hole 15 of the locking hydraulic cylinder 1; the rectangular groove 33 is consistent with the rectangular boss 14 of the locking hydraulic cylinder 1 in size, and the depth of the rectangular groove is smaller than the height of the rectangular boss 14 of the locking hydraulic cylinder 1.
The locking hydraulic cylinder 1 is arranged on the base 3, and the rectangular boss 14 of the locking hydraulic cylinder 1 is arranged in the rectangular groove 33 of the base 3 and is fixedly connected with the base through the outer hexagonal bolt in a positioning mode.
The positioning slide plate 4 mainly comprises a positioning plate 41, a bottom plate 42 and a reinforcing rib plate 43, wherein the bottom plate 42 is provided with a through hole 44.
Referring to fig. 6-10, a hole is punched and tapped in the housing window 01 of the straightening machine to form an internal thread 001, a hole is punched and tapped above the upper roller system 02 of the straightening machine to form an internal thread 002, and the base 3 is connected with the housing window 01 of the straightening machine through an internal hexagonal bolt. The positioning slide plate 4 is connected with the upper roll system 02 of the straightening machine through bolts. The device is arranged on the transmission side and the operation side of the outlet and the inlet of the housing 01 of the straightening machine and the upper roll system 02 of the straightening machine. In the steel plate straightening process, the positioning plate 41 is matched with the connecting ball head 2, and the roller system is restrained by the locking hydraulic cylinder 1 to the roller system position, so that the roller system is effectively prevented from shaking, dislocating and crossing.
Referring to FIGS. 6-12, in the non-straightened state, the locking hydraulic cylinder is retracted and the roll gap is adjusted; in the state of straightening the steel plate, the locking hydraulic cylinder extends out, and the pair of rollers are positioned, so that the situation that the theoretical central line and the actual central line of the straightening roller system have deviation due to shaking and dislocation of the upper roller system along the direction of a rolling line in the processes of biting, straightening and throwing out of the straightening steel plate, and the equipment is damaged by large axial force is avoided. The four locking hydraulic cylinders can realize synchronous/independent actions of the inlet and the outlet, the walking distance is confirmed through the displacement sensors, the output force is calculated through the feedback data of the pressure sensors, the force output by the four cylinders is ensured to meet the expected requirement, and the stability of the system is ensured.
The specific working process is as follows:
referring to fig. 11-12, the locking hydraulic cylinder is in a retracted state in an initial state, when the straightener receives the set value data of the roll gap sent by the automatic control system of the rolling mill, the roll gap is automatically adjusted according to the set value, the locking hydraulic cylinder extends out after the roll gap is in place, the connecting ball head is in contact with the positioning sliding plate and is pressed tightly, the walking distance is confirmed through the displacement sensor, the output force is calculated through the feedback of the pressure sensor, the force output by the four cylinders is ensured to meet the expected requirement, the positioning of the roll system of the straightener is completed, and the steel biting straightening operation is started at the moment.
When the steel plate enters the straightening machine, the roll gap value is unchanged, the locking hydraulic cylinder does not act, after the steel plate is straightened, the locking hydraulic cylinder retracts, the actual position is judged through the displacement sensor and the pressure sensor, after the system confirms that the locking hydraulic cylinder retracts in place, the straightening machine sets the roll gap according to requirements, after the roll gap is in place, the locking hydraulic cylinder extends out again, after the roll gap is in place, the steel plate starts to be straightened reversely, straightening is carried out for the third time in the same way, after the steel plate is straightened, the locking hydraulic cylinder retracts, and the roll gap lifts or descends to prepare for straightening of the next group of steel plates.
The upper roll system stabilizing device can position the straightening roll system, effectively avoids the occurrence of shaking, dislocation and crossing phenomena of the straightening roll system in the straightening process of the steel plate, reduces or even eliminates axial force, avoids the damage of key components such as the roll system, a universal spindle and the like, fundamentally solves the problems and ensures the stable operation of the straightening equipment.
Claims (4)
1. The utility model provides a panel straightener goes up roller system stabilising arrangement which characterized in that: the device comprises a locking hydraulic cylinder (1), a connecting ball head (2), a base (3) and a positioning sliding plate (4), wherein the locking hydraulic cylinder (1) comprises a push rod (11), a hydraulic cylinder base (13) and a displacement sensor (16); the front end of the connecting ball head (2) is of a hemispherical structure (21), and the rear end of the connecting ball head (2) is of a cylindrical structure (22); the positioning sliding plate (4) comprises a positioning plate (41) and a bottom plate (42) which are vertically arranged and a reinforcing rib plate (43) arranged between the positioning plate (41) and the bottom plate (42); the hydraulic cylinder base (13) is fixed on the base (3), the push rod (11) of the locking hydraulic cylinder (1) is in threaded connection with the rear end of the connecting ball head (2), and the front end of the connecting ball head (2) is propped against the positioning plate (41).
2. The upper roll system stabilizing device of the plate straightener as claimed in claim 1, wherein: the hydraulic cylinder base (13) is provided with a rectangular boss (14), the rectangular boss (14) is provided with a bolt through hole (15), and the base (3) is provided with a rectangular groove (33) and an internal thread through hole (32) which are matched with the rectangular boss (14) and the bolt through hole (15).
3. The upper roll system stabilizing device of the plate straightener as claimed in claim 2, wherein: the rectangular boss (14) on the hydraulic cylinder base (13) is arranged in the rectangular groove (33) of the base (3) and is positioned and connected together through the outer hexagonal bolt.
4. The upper roll system stabilizing device of the plate straightener as claimed in claim 1, wherein: the push rod (11) of the locking hydraulic cylinder (1) is provided with an external thread (12); the rear end of the connecting ball head (2) is provided with an internal thread (23) matched with the external thread (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123044193.5U CN216801174U (en) | 2021-12-06 | 2021-12-06 | Upper roller system stabilizing device of plate straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123044193.5U CN216801174U (en) | 2021-12-06 | 2021-12-06 | Upper roller system stabilizing device of plate straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216801174U true CN216801174U (en) | 2022-06-24 |
Family
ID=82052037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123044193.5U Active CN216801174U (en) | 2021-12-06 | 2021-12-06 | Upper roller system stabilizing device of plate straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216801174U (en) |
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2021
- 2021-12-06 CN CN202123044193.5U patent/CN216801174U/en active Active
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