CN210358553U - Rolling guide and guard device for hot-rolled angle steel outlet - Google Patents
Rolling guide and guard device for hot-rolled angle steel outlet Download PDFInfo
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- CN210358553U CN210358553U CN201920866636.2U CN201920866636U CN210358553U CN 210358553 U CN210358553 U CN 210358553U CN 201920866636 U CN201920866636 U CN 201920866636U CN 210358553 U CN210358553 U CN 210358553U
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Abstract
The utility model provides a hot rolling angle steel export roll is led and is defended device, it sets up on the rolling mill through leading the case to defend the device, it includes guide guard and guide pulley to lead the defending device, wherein, be provided with in the guide guard and defend the groove, guide guard's one end with the roll pass contact of rolling mill, the guide pulley sets up guide guard's the other end, guide guard can with the rolled piece is led and is derived the rolling mill works as the rolled piece gets into guide guard groove and with during the guide pulley contact, the rotation of guide pulley can make the rolled piece with sliding friction between the guide guard becomes rolling friction. The guide device can accurately guide rolled pieces out of the roll pass, scratches formed by sliding friction between the rolled pieces and the guide plates can be reduced, the guide device can be adjusted on line, rolled pieces are reduced from warping, and the surface quality and yield of hot-rolled angle steel products are improved.
Description
Technical Field
The utility model relates to a steel rolling equipment technical field, in particular to hot rolling angle steel export roll guide and guard device of rolled piece outlet hole type is guided when hot rolling angle steel.
Background
The exit guide and guard device is a guide device for guiding a rolled piece out of a pass of a rolling mill when rolling steel, the guide and guard device adopts a sliding guide and guard device in many cases, and due to the complex structure of the pass of the rolled section steel, the uneven deformation of the rolled piece is large when the section steel is rolled, the rolled piece is in contact with the guide and guard device and generates friction, and further, the abrasion loss of the guide and guard device is increased. Grooves are easily formed on the surface of the guide and guard, so that surface quality defects such as scratches occur on rolled pieces, and meanwhile, the rolled pieces are difficult to adjust on line due to the fact that the rolled pieces are prone to upwarp in the angle steel rolling process, and the quality and the yield of angle steel products are severely limited.
In view of the above problems of the prior art, there is an urgent need for a rolling guide device for hot rolled angle steel outlet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hot rolling angle steel export roll is led and is defended device to the slip that solves the prior art existence is led and is defended easy fish tail rolled piece surface and the problem of online adjustment difficulty.
In order to achieve the above object, the present invention provides the following technical solutions:
a rolling guide device for an outlet of hot-rolled angle steel is arranged on a rolling mill through a guide box and comprises a guide plate and a guide wheel, wherein,
the guide plate is internally provided with a guide groove, one end of the guide plate is in contact with a roll pass of the rolling mill, the guide wheel is arranged at the other end of the guide plate, the guide plate can guide the rolled piece out of the rolling mill, and when the rolled piece enters the guide groove and is in contact with the guide wheel, the rotation of the guide wheel can change the sliding friction between the rolled piece and the guide plate into rolling friction.
Further, in the above guiding and guarding device, the guiding and guarding plate includes a top plate and two side plates, top ends of the two side plates are respectively connected with two opposite end portions of the top plate, and a space between the two side plates and the top plate forms a guiding and guarding groove.
Further, in the above guiding and guarding device, the guiding and guarding device further comprises a fixed block, one end of the fixed block is arranged on the upper surface of the other end of the guiding and guarding plate, the other end of the fixed block extends outwards along the length direction of the top plate, and the guide wheel is arranged on the lower surface of the fixed block.
Further, in the above guide and guard device, the guide and guard device further comprises a mounting frame, the mounting frame is connected with the lower surface of the fixed block, the mounting frame comprises a transverse plate and two vertical plates, the top ends of the two vertical plates are respectively connected with the two opposite end portions of the transverse plate, a rotating shaft is arranged between the two vertical plates, the two ends of the rotating shaft are respectively connected with the two vertical plates, the guide wheel is sleeved on the rotating shaft, and the guide wheel can rotate on the rotating shaft.
Further, in the guide and guard device, a plurality of bolt holes are correspondingly formed in the transverse plate and the fixing block, bolts are arranged in the bolt holes, and the transverse plate and the fixing block are connected through the bolts.
Further, in the guide and guard device, a gasket is arranged between the transverse plate and the fixed block.
Further, in the above guide and guard device, the diameters of the vertical cross sections at the two ends of the guide wheel are larger than the diameter of the vertical cross section in the middle of the guide wheel, and a connecting line between the peripheries at the two ends of the guide wheel and the periphery in the middle of the guide wheel is a straight line.
Further, in the guide and guard device, the bottom end of the guide wheel is lower than the lower surface of the top plate; preferably, the distance between the bottom end of the guide wheel and the lower surface of the top plate is 10-20 mm.
Further, in the above guiding and guarding device, a supporting plate is disposed on an upper surface of the top plate, and the top plate is connected to the guiding and guarding box through the supporting plate.
Further, in the guide and guard device, one end of the rotating shaft is provided with a lubricating oil port, and lubricating oil can be filled into the surface of the guide wheel, which is in contact with the rotating shaft, through the lubricating oil port.
The analysis can know, the utility model discloses a hot rolling angle steel export rolling is led and is defended device, this is led and is defended the device and include the guide plate, the fixed block, mounting bracket and guide pulley, be provided with the guide groove in the guide plate, the one end of guide plate and the roll pass contact of rolling mill, the guide pulley sets up on the mounting bracket, the mounting bracket passes through the fixed block and sets up the other end at the guide plate, the guide plate can lead the rolled piece out of the rolling mill, when the rolled piece gets into the guide groove and contacts with the guide pulley, the rotation through the guide pulley can make the rolled piece and lead the sliding friction between the guide plate become rolling friction, the thickness of the gasket between adjustment fixed block and the mounting bracket can reduce the rolled piece up.
The guide device can accurately guide rolled pieces out of a roll pass, so that the rolled pieces smoothly pass through the guide device, scratches formed by sliding friction between the rolled pieces and the guide plate can be reduced, the guide device can be adjusted on line, rolled pieces are reduced from upwarping, the surface quality and the yield of hot-rolled angle steel products are improved, the rolling efficiency is improved, and the guide device is convenient to install and maintain.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic top perspective view of an embodiment of the present invention.
Fig. 3 is a schematic side view of an embodiment of the present invention.
Fig. 4 is a schematic front view of an embodiment of the present invention.
Fig. 5 is a schematic front view of a guiding and guarding board according to an embodiment of the present invention.
Fig. 6 is a schematic view of a position relationship between the guide plate and the guide wheel according to an embodiment of the present invention.
Description of reference numerals: 1, a guide plate; 11 a top plate; 12 side plates; 2, a guide wheel; 3, mounting a frame; 31, a transverse plate; 32 vertical plates; 33 a rotating shaft; 4, fixing blocks; 5, a gasket; 6, bolts; 7, supporting plates; and 8, a lubricating oil port.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected", "connected" and "disposed" used in the present invention should be understood in a broad sense, and may be, for example, either fixedly connected or detachably connected; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
As shown in fig. 1 to fig. 6, according to the utility model discloses an embodiment provides a hot rolling angle steel export rolling guide and guard device, this guide and guard device sets up on the rolling mill through leading the case, this guide and guard device includes guide plate 1 and guide pulley 2, wherein, guide plate 1's shape is groove-shaped structure, be provided with guide and guard groove in the guide and guard plate 1, guide plate 1's one end and the roll pass contact of rolling mill, guide pulley 2 sets up the other end at guide plate 1, guide plate 1 can lead the rolled piece out of the rolling mill, when the rolled piece gets into guide and guard groove and contacts with guide pulley 2, the sliding friction between rolled piece and the guide and guard plate 1 becomes rolling friction through guide pulley 2's rotation.
Under the working condition, one end of the guide plate 1 is required to be in contact with and tightly attached to the roller, so that the rolled piece is prevented from being warped upwards or buckled downwards. When rolled pieces are taken out of a roll pass, roll winding accidents can be caused if the rolled pieces are wound on a roll due to upwarping or downward buckling. Further, the guide plate 1 comprises a top plate 11 and two side plates 12, the top ends of the two side plates 12 are respectively connected with the two opposite end parts of the top plate 11, and a space between the two side plates 12 and the top plate 11 forms a guide groove. Still further, the inside walls of the two side plates 12 are inclined from the bottom end to the top end towards the middle of the top plate 11 and intersect at the center line of the lower surface of the top plate 11, as shown in fig. 5, inside the guiding and guarding plate 1, the inside walls of the two side plates 12 are combined together into the shape of a corner and are consistent with the shape of the outside of the angle iron leg, and a guiding and guarding groove is formed in the space between the two side plates 12. The arrangement can enable the rolled piece to move along the guide groove, and guide is provided for the rolled piece. The top plate 11 and the two side plates 12 can be integrally formed, and a guide groove is milled on one steel plate by a milling machine, so that the manufacturing is convenient and the strength is improved.
Specifically, as shown in fig. 1 and 2, the cross-sectional shape of the guide plate 1 formed by the top plate 11 and the two side plates 12 is a downwardly open groove-shaped structure, the transverse center line of the guide plate 1 is overlapped with the center line of the roll pass, and the angle steel is symmetrical left and right, so the guide plate 1 is also symmetrical left and right. The guide and guard plate 1 (top plate 11) is arranged on the guide and guard box, the guide and guard box is arranged on a rolling mill, one end of the guide and guard plate 1 is a head, the head of the guide and guard plate 1 is in contact with a roll pass of the rolling mill, two sides of the head of the guide and guard plate are respectively provided with a curved surface, the two curved surfaces are symmetrical by a vertical central line of the guide and guard plate 1, one curved surface covers the outer side wall of the whole side plate 12 and extends upwards to the top plate 11, and the two curved surfaces are respectively corresponding to the shapes of the outer surfaces of two rolls. The guide plate 1 is attached to the roller through two curved surfaces, the shape of the guide groove is matched with that of the roller groove, the head of the guide plate 1 can be tightly attached to the roller through the arrangement, the other end of the guide plate 1 is a tail, the guide wheel 2 is arranged at the tail of the guide plate 1, and the bottom end of the middle part of the guide wheel 2 is lower than the lower surface of the top plate 11. The rolled piece enters the guide groove from the head of the guide plate 1 after being rolled by the roll pass and moves to the tail of the guide plate 1, when the rolled piece is in contact with the guide wheel 2, the rotation of the guide wheel 2 changes the sliding friction between the rolled piece and the guide plate 1 into rolling friction, so that the abrasion of the guide plate 1 is reduced, and the surface quality of the rolled piece is improved.
Further, still include fixed block 4, the one end setting of fixed block 4 is at the upper surface of the guide board 1 other end, and the other end of fixed block 4 extends to the outside along the length direction of roof 11, and guide pulley 2 sets up the lower surface at the fixed block 4 that extends to the outside.
The thickness of fixed block one end is greater than the thickness of the fixed block other end, and the upper surface of fixed block one end is higher than the upper surface of the fixed block other end promptly, and the one end of fixed block 4 becomes massive, is favorable to fixing fixed block 4 on guide board 1, and the other end of fixed block 4 becomes platelike, is favorable to setting up guide pulley 2 on fixed block 4. The whole integrated into one piece of fixed block 4 does benefit to the holistic stability of guide and guards device.
Further, still include mounting bracket 3, mounting bracket 3 is connected with the lower surface of fixed block 4, mounting bracket 3 includes diaphragm 31 and two risers 32, the top of two risers 32 respectively with diaphragm 31 on the relative both ends be connected, the space between two risers 32 and the diaphragm 31 is the extension of leading defending the groove, be provided with rotation axis 33 between two risers 32, the both ends of rotation axis 33 are connected with a riser 32 respectively, 2 covers of guide pulley are established on rotation axis 33, guide pulley 2 can rotate on rotation axis 33. The transverse plate 31 and the fixing block 4 are correspondingly provided with a plurality of bolt holes, bolts 6 are arranged in the bolt holes, and the transverse plate 31 is connected with the fixing block 4 through the bolts 6. The guide wheel 2 can be conveniently maintained or replaced.
Further, a gasket 5 is arranged between the transverse plate 31 and the fixed block 4. When the rolled piece upwarp condition appears in the rolling in-process as the angle steel, the thickness of accessible online adjustment gasket 5 increases the difference in height between the bottom at 2 middle parts of guide pulley and roof 11, and then reduces the rolled piece upwarp and the smooth transportation roll table that gets into of guide rolled piece, improves rolling efficiency, realizes adjusting the guide device on line. The spacers 5 may be provided in plural, and the overall thickness of the spacers 5 is adjusted by changing the number of the spacers 5.
Further, as shown in fig. 4, the cross section of the guide wheel 2 is a special-shaped structure, two end portions of the guide wheel 2 correspond to two end portions of the rotating shaft 33, respectively, the cross-sectional diameter of the two end portions of the guide wheel 2 is larger than the cross-sectional diameter of the middle portion of the guide wheel 2, that is, the outer surface of the guide wheel 2 from the two end portions to the middle portion is recessed toward the central axis of the guide wheel 2, and a connecting line between the outer peripheries of the two end portions of the guide wheel 2 and the outer periphery of. Guide pulley 2 sets up along the direction of drawing forth of angle steel, the contact of the side wall on the periphery of guide pulley 2 and angle steel, the profile of 2 peripheries of guide pulley is unanimous with the shape of the side wall on the angle steel, two blocks of curb plates 12 make up into a right angle shape jointly, as shown in fig. 5 and fig. 6, guide pulley 2 can provide the support and can provide the direction for the removal of angle steel for the angle steel, so set up and to make guide pulley 2 provide the direction for the rolled piece, and then make the rolled piece steadily get into the rollgang.
Further, after the rolled piece enters the guide and guard groove, in order to reduce friction between the rolled piece and the top plate 11, a distance of 10-20mm is provided between the bottom end of the guide wheel 2 and the inner side wall of the side plate 12, that is, a distance D between the bottom end of the middle part of the guide wheel 2 and the lower surface of the top plate 11 (or the top end of the inner side wall of the side plate 12) is 10-20mm, the bottom ends of the two end parts of the guide wheel 2 are lower than the inner side wall of the side plate 12 on the same vertical cross section by 10-20mm, or in the same vertical cross section, the height of the guide wheel 2 is lower than the height of the inner side wall of. Further preferably, the distance D between the bottom end of the middle part of the guide wheel 2 and the lower surface of the top plate 11 is 15-20 mm. Sliding friction between the rolled piece and the top plate 11 can be changed into rolling friction by the arrangement, so that abrasion of the guide plate 1 is reduced, and the surface quality of the rolled piece is improved.
Further, two supporting plates 7 are arranged on the upper surface of the top plate 11, the top plate 11 is connected with the guide box through the supporting plates 7, the guide plate 1 can be installed on the guide box through the supporting plates 7, and the guide device is installed on the rolling mill. During actual installation, a spring is hung on the supporting plate 3, the spring can tension the guide plate 1 to enable one end (head) of the guide plate 1 to be in contact with the roller, and sliding friction exists between the head of the guide plate 1 and the roller.
Further, a lubricating oil port 8 is provided at one end of the rotary shaft 33, and lubricating oil can be filled into the surface of the guide pulley 2 in contact with the rotary shaft 33 through the lubricating oil port 8. So set up and to increase the lubrication between guide pulley 2 and the rotation axis 7, reduce the wearing and tearing between guide pulley 2 and the rotation axis 33, prevent iron oxide etc. and get into guide pulley 2, improve guide pulley 2's life, reduce the resistance of advancing of angle steel.
When the guide and guard device is used, the guide and guard device is installed in a guide and guard box through a supporting plate 7, the guide and guard box is installed on a rolling mill frame, the head of a guide and guard plate 1 is in contact with a roll pass, when angle steel is rolled, the guide and guard plate 1 guides a rolled piece out of a hole form into a guide and guard groove and is in contact with a guide wheel 2, and sliding friction between the rolled piece and the guide and guard plate 1 is changed into rolling friction. When the rolled piece upwarps the condition appears in the rolling in-process as the angle steel, through the thickness that increases gasket 5, and then increase the difference in height between guide pulley 2 and the guide board 1, reduce the rolled piece upwarp and guide the rolled piece and steadily get into the rollgang, improve rolling efficiency.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
this guide device includes guide plate 1, the fixed block 4, mounting bracket 3 and guide pulley 2, be provided with the guide groove in the guide plate 1, the one end of guide plate 1 and the roll pass contact of rolling mill, guide pulley 2 sets up on mounting bracket 3, mounting bracket 3 sets up the other end at guide plate 1 through fixed block 4, guide plate 1 can guide the rolling piece out of the rolling mill, when the rolling piece gets into the guide groove and contacts with guide pulley 2, the sliding friction that can make between rolling piece and the guide plate 1 through the rotation of guide pulley 2 becomes rolling friction, the thickness of the gasket 5 between adjustment fixed block 4 and the mounting bracket 3 can reduce the rolling piece upwarp.
The guide device can accurately guide rolled pieces out of a roll pass, so that the rolled pieces smoothly pass through the guide device, scratches formed by sliding friction between the rolled pieces and the guide plate 1 can be reduced, the guide device can be adjusted on line, rolled pieces are reduced from warping, the surface quality and the yield of hot-rolled angle steel products are improved, the rolling efficiency is improved, and the installation and the maintenance are convenient.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The rolling guide and guard device for the hot-rolled angle steel outlet is arranged on a rolling mill through a guide and guard box and is characterized by comprising a guide and guard plate and a guide wheel, wherein,
the guide plate is internally provided with a guide groove, one end of the guide plate is in contact with a roll pass of the rolling mill, the guide wheel is arranged at the other end of the guide plate, the guide plate can guide a rolled piece out of the rolling mill, and when the rolled piece enters the guide groove and is in contact with the guide wheel, the rotation of the guide wheel can change the sliding friction between the rolled piece and the guide plate into rolling friction.
2. The hot rolled angle steel outlet rolling guide and guard device according to claim 1,
the guide and guard plate comprises a top plate and two side plates, the top ends of the two side plates are respectively connected with the two opposite end parts of the top plate, and a guide and guard groove is formed in the space between the two side plates and the top plate.
3. The hot rolled angle steel outlet rolling guide and guard device according to claim 2,
the guide plate is characterized by further comprising a fixed block, one end of the fixed block is arranged on the upper surface of the other end of the guide plate, the other end of the fixed block extends outwards along the length direction of the top plate, and the guide wheel is arranged on the lower surface of the fixed block.
4. The hot rolled angle steel outlet rolling guide and guard device according to claim 3,
the mounting frame is connected with the lower surface of the fixing block and comprises a transverse plate and two vertical plates, the top ends of the two vertical plates are respectively connected with the two opposite end portions of the transverse plate, a rotating shaft is arranged between the two vertical plates, the two ends of the rotating shaft are respectively connected with the two vertical plates, the guide wheel is sleeved on the rotating shaft, and the guide wheel can rotate on the rotating shaft.
5. The hot rolled angle steel outlet rolling guide and guard device according to claim 4,
the transverse plate and the fixing block are correspondingly provided with a plurality of bolt holes, bolts are arranged in the bolt holes, and the transverse plate is connected with the fixing block through the bolts.
6. The hot rolled angle steel outlet rolling guide and guard device according to claim 4,
and a gasket is arranged between the transverse plate and the fixed block.
7. The hot rolled angle steel outlet rolling guide and guard device according to claim 1,
the diameter of the vertical section of the two end parts of the guide wheel is larger than that of the vertical section of the middle part of the guide wheel, and a connecting line between the peripheries of the two end parts of the guide wheel and the periphery of the middle part of the guide wheel is a straight line.
8. The hot rolled angle steel outlet rolling guide and guard device according to claim 2,
the bottom end of the guide wheel is lower than the lower surface of the top plate;
the distance between the bottom end of the guide wheel and the lower surface of the top plate is 10-20 mm.
9. The hot rolled angle steel outlet rolling guide and guard device according to claim 2,
the upper surface of the top plate is provided with a supporting plate, and the top plate is connected with the guide box through the supporting plate.
10. The hot rolled angle steel outlet rolling guide and guard device according to claim 4,
and a lubricating oil port is formed in one end of the rotating shaft, and lubricating oil can be filled into the surface of the guide wheel, which is in contact with the rotating shaft, through the lubricating oil port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866636.2U CN210358553U (en) | 2019-06-06 | 2019-06-06 | Rolling guide and guard device for hot-rolled angle steel outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866636.2U CN210358553U (en) | 2019-06-06 | 2019-06-06 | Rolling guide and guard device for hot-rolled angle steel outlet |
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| Publication Number | Publication Date |
|---|---|
| CN210358553U true CN210358553U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920866636.2U Active CN210358553U (en) | 2019-06-06 | 2019-06-06 | Rolling guide and guard device for hot-rolled angle steel outlet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216155A (en) * | 2019-06-06 | 2019-09-10 | 山东钢铁股份有限公司 | Hot-rolled angle steel outlet rolling guide device |
| CN115301745A (en) * | 2022-10-11 | 2022-11-08 | 江苏盛日机械设备制造有限公司 | Angle steel rolling guide |
-
2019
- 2019-06-06 CN CN201920866636.2U patent/CN210358553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216155A (en) * | 2019-06-06 | 2019-09-10 | 山东钢铁股份有限公司 | Hot-rolled angle steel outlet rolling guide device |
| CN115301745A (en) * | 2022-10-11 | 2022-11-08 | 江苏盛日机械设备制造有限公司 | Angle steel rolling guide |
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