CN215614174U - Side guide plate for front parallel section of hot rolling coiler - Google Patents
Side guide plate for front parallel section of hot rolling coiler Download PDFInfo
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- CN215614174U CN215614174U CN202120596826.4U CN202120596826U CN215614174U CN 215614174 U CN215614174 U CN 215614174U CN 202120596826 U CN202120596826 U CN 202120596826U CN 215614174 U CN215614174 U CN 215614174U
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- side guide
- guide plate
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- section side
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Abstract
The utility model relates to a side guide plate of a front parallel section of a hot rolling coiler, belonging to the technical field of front side guide plates of hot rolling coilers in the metallurgical industry. The technical scheme is as follows: an inlet positioning hole of a parallel section side guide plate is directly sleeved on an inlet upright pin shaft (2) of the parallel section side guide plate, an outlet connecting hole of the parallel section side guide plate is directly sleeved on an outlet upright pin shaft (9) of the parallel section side guide plate, circular steel sleeves (7) are respectively installed at the top and the bottom of the inlet positioning hole of the parallel section side guide plate in an interference fit mode, oval steel sleeves (10) are respectively installed at the top and the bottom of the outlet connecting hole of the parallel section side guide plate in an interference fit mode, the circular steel sleeves (7) at the bottom of the positioning hole of the parallel section side guide plate inlet (11) and the oval steel sleeves (10) at the bottom of the connecting hole of the parallel section side guide plate outlet (12) are protruded out of the bottom of the parallel section side guide plate in the thickness direction of the edge part to reserve a wear layer. The utility model has the beneficial effects that: effectively prevent the parallel section side guide plate from skewing and ensure the use precision of the parallel section side guide plate.
Description
Technical Field
The utility model relates to a side guide plate of a front parallel section of a hot rolling coiler, belonging to the technical field of front side guide plates of hot rolling coilers in the metallurgical industry.
Background
On a hot-rolled strip steel production line, a front side guide plate of a coiler is positioned in front of a pinch roll of the coiler, main components of the coiler comprise an inclined guide plate, a parallel section side guide plate and a side guide plate support arm mechanism, and the coiler mainly has the functions of centering and correcting a hot-rolled strip when the hot-rolled strip enters the coiler to be coiled and controlling the coiling operation. Because the original parallel section side guide plate keeps larger clamping force on the plate belt in the working process, the bottom and the inner surface of the positioning hole (outlet connecting hole and inlet positioning hole) of the parallel section side guide plate are quickly abraded, and the accumulated service life is only one month; because the positioning holes of the side guide plates of the parallel sections are not designed reasonably, the bottoms and the inner surfaces of the holes cannot be repaired quickly, and the side guide plates have to be used continuously or discarded.
In conclusion, a parallel section guide plate with a worn positioning hole is matched for use, and the cross section of the parallel section guide plate forms a Chinese character 'ba' shape instead of being vertically parallel; after the parallel section side guide plate and the inclined guide plate are installed on the machine, the parallel section side guide plate and the inclined guide plate are not in a vertical plane, so that the deflection occurs and the precision is greatly reduced. According to statistics, 10 more thin plate strip stacking accidents are caused each year due to the reasons; the roll-shaped staggered layer accidents occur frequently; the head of the thick plate belt collides with the inlet position of the side guide plate of the parallel section to pile steel, and the deformation or displacement accident of the side guide plate support arm mechanism is 5-6. The accident time is 60-70 hours/year, which seriously restricts the normal operation of the hot rolling production line and generates great spare part cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a front parallel section side guide plate of a hot rolling coiler, which effectively prevents the parallel section side guide plate from being skewed, ensures the use precision of the parallel section side guide plate and solves the problems in the background technology.
The technical scheme of the utility model is as follows:
a front parallel section side guide plate of a hot rolling coiler comprises a parallel section side guide plate inlet upright pin shaft, wedge-shaped pins, split pins, an inclined guide plate outlet fixed upright pin shaft, an inner side vertical surface of an inlet of a parallel section side guide plate body and a parallel section side guide plate outlet upright pin shaft, wherein inlet positioning holes of the parallel section side guide plate are directly sleeved on the inlet upright pin shaft of the parallel section side guide plate, an outlet connecting hole of the parallel section side guide plate is directly sleeved on the outlet upright pin shaft of the parallel section side guide plate, the inner side vertical surface of the inlet of the parallel section side guide plate body is a straight surface, two wedge-shaped pins are respectively inserted into wedge-shaped holes on an inlet bracket upright pin shaft of the parallel section side guide plate and an outlet upright pin shaft of the parallel section side guide plate, the two split pins are respectively inserted into circular holes of the wedge-shaped pins, the parallel section side guide plate is matched with the inclined guide plate on the outlet fixed upright pin shaft of the inclined guide plate, and circular steel sleeves are respectively arranged at the top and the bottom of the inlet positioning holes of the parallel section side guide plate in an interference fit manner, the top and the bottom of the outlet connecting hole of the parallel section side guide plate are respectively provided with an oval steel sleeve in an interference fit mode, the circular steel sleeve at the bottom of the inlet positioning hole of the parallel section side guide plate and the oval steel sleeve edge part at the bottom of the outlet connecting hole of the parallel section side guide plate protrude out of the bottom of the parallel section side guide plate in the thickness direction to reserve a wear layer, and a bevel guide angle is machined on the inner vertical surface of the inlet of the parallel section side guide plate.
The inner surface of the circular steel sleeve is in contact with the surface of the pin shaft of the inlet upright post of the side guide plate at the parallel section.
The inner surface of the oval steel sleeve is in contact with the surface of the pin shaft of the outlet upright post of the side guide plate at the parallel section.
The thickness direction of the circular steel sleeve at the bottom of the inlet positioning hole of the parallel section side guide plate and the edge part of the elliptical steel sleeve at the bottom of the outlet connecting hole of the parallel section side guide plate protrudes out of the reserved wear layer at the bottom of the parallel section side guide plate by 5 mm.
The utility model has the beneficial effects that: the circular steel sleeve and the oval steel sleeve of the parallel section side guide plate are replaced and repaired after being worn, so that the problem that the parallel section side guide plate and the inclined guide plate are not in the same vertical plane and are inclined is solved, the use precision of the parallel section side guide plate is ensured, quality accidents such as coil staggered layers or edge damage are effectively avoided, the problems of steel piling when the head of a plate strip impacts the inlet position of the parallel section side guide plate and deformation or displacement accidents of side guide plate bracket arm mechanism equipment are avoided, the expected effect is achieved, and conditions are created for stable operation of the whole production line; spare part cost and repair cost are saved.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is an enlarged cross-sectional view of a side guide plate inlet of a parallel section of the prior art;
FIG. 3 is a top view of a prior art parallel segment side guide plate inlet;
FIG. 4 is an enlarged cross-sectional view of the exit of a side guide plate of a parallel section of the prior art;
FIG. 5 is a top view of a side guide plate outlet of a parallel section of the prior art;
FIG. 6 is an enlarged cross-sectional view of the inlet of the parallel segment side guide of the present invention;
FIG. 7 is a top view of the parallel segment side guide plate inlet of the present invention;
FIG. 8 is an enlarged cross-sectional view of the outlet of the side guide plate of the parallel section of the present invention;
FIG. 9 is a top view of the parallel segment side guide plate outlet of the present invention;
FIG. 10 is a schematic view of a circular steel sleeve installed in a positioning hole of an inlet of a side guide plate of a parallel section according to the present invention;
FIG. 11 is a top view of the oval steel sleeve installed in the outlet fixing hole of the side guide plate of the parallel section according to the present invention;
FIG. 12 is a front view of the oval steel sleeve installed in the outlet fixing hole of the side guide plate of the parallel section according to the present invention;
in the figure: a parallel segment side guide plate 1; an inlet upright column pin shaft 2 of the side guide plate of the parallel section; a wedge pin 3; a cotter pin 4; an inclined guide plate 5; an upright pin shaft 6 is fixed at the outlet of the inclined guide plate; a circular steel jacket 7; an inner side vertical surface 8 at the inlet of the parallel section side guide plate body; an outlet upright column pin shaft 9 of the side guide plate of the parallel section; an oval steel jacket 10.
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 6-12, a front parallel section side guide plate of a hot rolling coiler comprises a parallel section side guide plate inlet upright pin shaft 2, wedge-shaped pins 3, split pins 4, an inclined guide plate 5, an inclined guide plate outlet fixed upright pin shaft 6, a parallel section side guide plate body inlet inner vertical surface 8 and a parallel section side guide plate outlet upright pin shaft 9, parallel section side guide plate inlet positioning holes are directly sleeved on the parallel section side guide plate inlet upright pin shaft 2, parallel section side guide plate outlet connecting holes are directly sleeved on the parallel section side guide plate outlet upright pin shaft 9, the parallel section side guide plate body inlet inner vertical surface 8 is a straight surface, two wedge-shaped pins 3 are respectively inserted into wedge-shaped holes on the parallel section side guide plate inlet bracket upright pin shaft 2 and the parallel section side guide plate outlet upright pin shaft 9, two split pins 4 are respectively inserted into circular holes of the wedge-shaped pins 3, the parallel section side guide plate is matched with the inclined guide plate 5 on the inclined section side guide plate outlet fixed upright pin shaft 6, circular steel sleeves 7 are respectively installed at the top and the bottom of inlet positioning holes of the parallel section side guide plates in an interference fit mode, oval steel sleeves 10 are respectively installed at the top and the bottom of outlet connecting holes of the parallel section side guide plates in an interference fit mode, the circular steel sleeves 7 at the bottoms of the positioning holes of the inlet 11 of the parallel section side guide plates and the oval steel sleeves 10 at the bottoms of the connecting holes of the outlet 12 of the parallel section side guide plates protrude out of the bottoms of the parallel section side guide plates in the thickness direction to reserve a wear layer, and groove guide corners are machined on inner side vertical surfaces 8 at inlets of the parallel section side guide plates.
In the present embodiment, referring to fig. 1, a parallel segment side guide plate 1 is mounted on a bracket mechanism; the inlet bracket arm mechanism is simultaneously connected with an inclined guide plate and a parallel section side guide plate inlet positioning hole; and the outlet bracket arm mechanism is connected with the outlet connecting hole of the side guide plate of the parallel section.
Fig. 2-5 illustrate the parallel segment side guide plate technique of the background art: the inlet positioning hole of the parallel section side guide plate 1 is directly sleeved on the inlet upright post pin shaft 2 of the parallel section side guide plate of the inlet bracket arm mechanism; an outlet connecting hole of the parallel section side guide plate 1 is directly sleeved on an outlet upright pin shaft 9 of the parallel section side guide plate of the outlet bracket arm mechanism; the inner vertical surface 8 at the inlet of the body of the parallel section side guide plate 1 is a straight surface; adjusting gasket groups are respectively padded below the parallel section side guide plates 1 and at the roots of the two upright post pin shafts and used for adjusting the gap between the parallel section side guide plates 1 and the roller way; two wedge-shaped pins 3 are respectively inserted into wedge-shaped holes on an inlet bracket upright pin shaft 2 and an outlet upright pin shaft 9 of the parallel section side guide plate to tightly press the parallel section side guide plate; the two cotter pins 4 are respectively inserted into the round holes of the wedge-shaped pins 3, so that the wedge-shaped pins 3 can be prevented from loosening and falling off. The parallel section side guide plate 1 is matched with an inclined guide plate 5, the front of which is fixed on an outlet fixed upright pin shaft 6 of the inclined guide plate 5, to form one side of a complete front guide system of the coiling machine.
FIGS. 6-12A hot rolling coiler front parallel section side guide of the present invention: the device comprises a parallel section side guide plate 1, wherein circular steel sleeves 7 are respectively and firmly arranged at the top and the bottom of an inlet positioning hole of the parallel section side guide plate in an interference fit mode; the top and the bottom of the outlet connecting hole of the side guide plate 1 of the parallel section are respectively and firmly provided with an elliptical steel sleeve 10 in an interference fit manner; the thickness direction of the edge part of the bottom steel sleeve protrudes 5mm from the bottom of the side guide plate 1 of the parallel section to form a reserved wear layer; a bevel leading angle is processed on the inner side vertical surface 8 at the inlet of the parallel section side guide plate 1. The inlet positioning hole of the parallel section side guide plate 1 is arranged on the parallel section side guide plate inlet upright pin shaft 2, and the inner surface of the circular steel sleeve 7 is in surface contact with the upright pin shaft 2; an outlet connecting hole of the parallel section side guide plate 1 is connected to an outlet upright pin shaft 9 of the parallel section side guide plate, and the inner surface of the oval steel sleeve 10 is in surface contact with the upright pin shaft 9; the hardness of the two steel sleeves is lower than that of the two upright post pin shafts and the material of the bracket arm mechanism, so that the bottoms and the inner surfaces of the two steel sleeves are only abraded during working, and the bottom plane of the side guide plate 1 of the parallel section cannot be abraded due to the reserved 5mm abrasion layer; when the bottom is worn by 4mm or the inner diameter of the steel sleeve is worn by 2mm, the precision can be recovered by replacing the steel sleeve; because the bevel leading angle is processed on the inner vertical surface 8 at the inlet of the parallel section side guide plate 1, when the outlet of the oblique guide plate 5 is worn or the belt head is inclined, the head of the belt can be prevented from impacting the inlet position of the parallel section side guide plate 1 to pile steel or cause equipment damage accidents.
By adopting the utility model, maintenance personnel can replace the steel sleeve of the side guide plate of the parallel section by themselves after the steel sleeve of the side guide plate of the parallel section is worn, and the structure and the dimensional accuracy of the side guide plate of the parallel section can be quickly recovered; the problem that the side guide plate of the parallel section and the inclined guide plate are not in the same vertical plane and the inclined guide plate is skewed and cannot be repaired by self is solved, and the use precision of the side guide plate of the parallel section is ensured; quality accidents such as coil staggered layers or edge loss are effectively avoided; the problems of steel piling and other equipment damage accidents caused by the head of the plate strip impacting the inlet position of the side guide plate at the parallel section are avoided, the expected effect is achieved, and conditions are created for the stable operation of the whole production line; the service life of the side guide plate of the parallel section is prolonged, the spare part cost is saved, and the side guide plate is worth being used by other hot rolling mills in the same industry.
Claims (4)
1. A front parallel section side guide plate of a hot rolling coiler comprises a parallel section side guide plate inlet upright pin shaft (2), wedge-shaped pins (3), split pins (4), an inclined guide plate (5), an inclined guide plate outlet fixed upright pin shaft (6), an inner vertical surface (8) at the inlet of a parallel section side guide plate body and parallel section side guide plate outlet upright pin shafts (9), wherein an inlet positioning hole of the parallel section side guide plate is directly sleeved on the parallel section side guide plate inlet upright pin shaft (2), an outlet connecting hole of the parallel section side guide plate is directly sleeved on the parallel section side guide plate outlet upright pin shafts (9), the inner vertical surface (8) at the inlet of the parallel section side guide plate body is a flat plane, two wedge-shaped pins (3) are respectively inserted into wedge-shaped holes on an inlet bracket upright pin shaft (2) of the parallel section side guide plate and an outlet upright pin shaft (9) of the parallel section side guide plate, and two split pins (4) are respectively inserted into round holes of the wedge-shaped pins (3), parallel section side guide plate cooperatees its characterized in that with oblique baffle (5) on baffle export fixed post round pin axle (6): circular steel sleeves (7) are respectively installed at the top and the bottom of inlet positioning holes of the parallel section side guide plates in an interference fit mode, oval steel sleeves (10) are respectively installed at the top and the bottom of outlet connecting holes of the parallel section side guide plates in an interference fit mode, the circular steel sleeves (7) at the bottoms of the positioning holes of the parallel section side guide plate inlets (11) and the oval steel sleeves (10) at the bottoms of the connecting holes of the parallel section side guide plate outlets (12) protrude out of the bottoms of the parallel section side guide plates in the thickness direction of the edges, wear layers are reserved, and bevel guide angles are machined on inner side vertical surfaces (8) at the inlets of the parallel section side guide plates.
2. The hot rolling coiler front parallel segment side guide according to claim 1, characterized in that: the inner surface of the round steel sleeve (7) is in surface contact with the inlet upright post pin shaft (2) of the side guide plate at the parallel section.
3. The hot rolling coiler front parallel segment side guide according to claim 2, characterized in that: the inner surface of the oval steel sleeve (10) is in surface contact with the outlet upright post pin shaft (9) of the side guide plate at the parallel section.
4. The hot rolling coiler front parallel segment side guide according to claim 1, characterized in that: the thickness direction of the edge part of the circular steel sleeve (7) at the bottom of the positioning hole of the parallel section side guide plate inlet (11) and the elliptical steel sleeve (10) at the bottom of the connecting hole of the parallel section side guide plate outlet (12) protrudes out of the reserved wear layer at the bottom of the parallel section side guide plate by 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120596826.4U CN215614174U (en) | 2021-03-24 | 2021-03-24 | Side guide plate for front parallel section of hot rolling coiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120596826.4U CN215614174U (en) | 2021-03-24 | 2021-03-24 | Side guide plate for front parallel section of hot rolling coiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215614174U true CN215614174U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120596826.4U Active CN215614174U (en) | 2021-03-24 | 2021-03-24 | Side guide plate for front parallel section of hot rolling coiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215614174U (en) |
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2021
- 2021-03-24 CN CN202120596826.4U patent/CN215614174U/en active Active
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