CN219906386U - Tension roller device with adjustable wrap angle - Google Patents
Tension roller device with adjustable wrap angle Download PDFInfo
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- CN219906386U CN219906386U CN202321730183.3U CN202321730183U CN219906386U CN 219906386 U CN219906386 U CN 219906386U CN 202321730183 U CN202321730183 U CN 202321730183U CN 219906386 U CN219906386 U CN 219906386U
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- tension roller
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- rotating shaft
- wrap angle
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a tension roller device with an adjustable wrap angle, which comprises a frame, a fixed tension roller, a swinging mechanism, a driving mechanism and a movable tension roller, wherein: two support plates are arranged on the frame; the fixed tension roller is transversely and rotatably arranged between the two support plates; the swing mechanism comprises a rotating shaft and two swing arms, the rotating shaft is transversely and rotatably arranged between the two support plates, and the two swing arms are fixed on the rotating shaft; the output end of the driving mechanism is connected with the rotating shaft, and the driving mechanism is used for driving the rotating shaft to rotate; the movable tension roller is transversely and rotatably arranged between the two swing arms. The utility model makes the fixed tension roller rotate on one hand, but the relative position is fixed, and makes the movable tension roller rotate on the other hand, and simultaneously revolves around a fixed shaft on the frame. According to the design, the tension roller device can adjust the relative position of the movable tension roller and the fixed tension roller, so that the wrap angle of the strip steel can be adjusted, and the strip threading operation of the thick strip steel is facilitated.
Description
Technical Field
The utility model relates to the technical field of band plate continuous rolling production lines in the metallurgical industry, in particular to a tension roller device with an adjustable wrap angle.
Background
A tension roller device is a mechanical device that converts torque of a driving mechanism into tension of a strip through friction between a roller surface and the strip. On the continuous rolling production line of the band plate, the tension roller device mainly prevents the strip steel from deviating and realizes normal uncoiling and coiling.
The strip steel is wound on the tension roller, and friction force is generated in a winding contact area (namely a wrap angle area) of the strip steel, so that the outlet tension and the inlet tension are changed according to the Euler formula, and the tension value is changed, so that tension control is realized on the unit. Tension roller devices are typically composed of two or more rollers in an "S" arrangement, and are therefore also referred to as S-rollers. The wrap angle of the strip steel wrapping and winding on the roll surface is determined by the arrangement position of the S-roll. The wrap angle value is determined according to the technological parameters when designing the tension roller set. After the design is finished, the wrap angle cannot be adjusted, so that the change of working conditions on the continuous rolling production line of the band plate cannot be adapted. In addition, because the arrangement of the S rollers is compact, when the threading operation is carried out in the production preparation stage, if the thickness of the strip steel is too large, the threading difficulty can be caused.
Disclosure of Invention
The utility model aims at providing a tension roller device with adjustable wrap angles, which can adjust the relative positions of a movable tension roller and a fixed tension roller, further can adjust the wrap angles of strip steel and is beneficial to the threading operation of thick strip steel.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the tension roller device comprises a frame, a fixed tension roller, a swinging mechanism, a driving mechanism and a movable tension roller;
two support plates are arranged on the frame and are parallel;
the fixed tension roller is transversely and rotatably arranged between the two support plates;
the swing mechanism comprises a rotating shaft and two swing arms, the rotating shaft is transversely and rotatably arranged between the two support plates, the two swing arms are fixed on the rotating shaft, and the two swing arms are parallel;
the output end of the driving mechanism is connected with the rotating shaft, and the driving mechanism is used for driving the rotating shaft to rotate;
the movable tension roller is transversely and rotatably arranged between the two swing arms.
Further, the driving mechanism comprises a hydraulic cylinder, a rack and a gear, wherein the hydraulic cylinder is fixed on the frame, one end of the rack is connected with a piston rod of the hydraulic cylinder, the gear is fixed on the rotating shaft, and the rack and the gear are always meshed in the stroke of the hydraulic cylinder driving the rack to move.
Further, the tail of the hydraulic cylinder is hinged with the frame, a stop sleeve is arranged on the frame, a limit groove matched with the width of the rack is formed in the stop sleeve, and one toothless side of the rack is always embedded into the limit groove formed in the stop sleeve in the stroke of the hydraulic cylinder driving the rack to move.
Further, the retaining sleeve is of a circular ring structure, the limiting grooves are circumferentially arranged along the outer ring surface of the retaining sleeve, a fixed shaft is arranged between two support plates on the frame, and the retaining sleeve is arranged on the fixed shaft in a penetrating mode through the first shaft sleeve.
Further, the driving mechanisms are two groups, and gears of the two driving mechanisms are symmetrically fixed on the rotating shaft.
Further, the driving mechanism is a group, and the gear of the driving mechanism is fixed in the middle of the rotating shaft.
Further, a magnetic telescopic displacement sensor is arranged in the hydraulic cylinder and used for detecting the extension amount of a piston rod of the hydraulic cylinder.
Further, two ends of the rotating shaft are connected with two support plates arranged on the frame through a second sleeve.
The beneficial effects of the utility model are as follows:
compared with the prior art, the tension roller device with the adjustable wrap angle is characterized in that the fixed tension roller is transversely arranged on the frame in a rotating way, so that the fixed tension roller can rotate, but the relative position is fixed, the movable tension roller is arranged on the frame through the swinging mechanism, and the swinging mechanism is driven to rotate through the driving mechanism, so that the movable tension roller can rotate and revolve around a certain shaft on the frame.
According to the design, the tension roller device can adjust the relative position of the movable tension roller and the fixed tension roller, so that the wrap angle of the strip steel can be adjusted, different requirements of the strip plate continuous rolling production line on the tension value under different working conditions can be met, and the gap between the movable tension roller and the fixed tension roller can be increased by adjusting the relative position of the movable tension roller and the fixed tension roller, so that the strip threading operation of the thick strip steel is facilitated.
Drawings
FIG. 1 is a schematic diagram of the adjustable wrap angle tension roller apparatus of the present utility model (the movable tension roller is in an initial state);
FIG. 2 is a cross-sectional view at A-A of FIG. 1;
fig. 3 is a schematic structural view of the wrap angle adjustable tension roller apparatus (after the position of the movable tension roller is adjusted) according to the present utility model.
Labeling and describing: 1. the device comprises a supporting plate, 2, a fixed tension roller, 3, a swing arm, 4, a movable tension roller, 5, a hydraulic cylinder, 6, a second shaft sleeve, 7, a connecting part, 8, a rotating shaft, 9, a rack, 10, a blocking sleeve, 11, a first shaft sleeve, 12 and a fixed shaft.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, an adjustable wrap angle tension roller device comprises a frame, a fixed tension roller 2, a swinging mechanism, a driving mechanism and a movable tension roller 4, and the specific structure is as follows:
two support plates 1 are arranged on the frame, and the two support plates 1 are parallel;
the fixed tension roller 2 is transversely and rotatably arranged between the two support plates 1;
the swing mechanism comprises a rotating shaft 8 and two swing arms 3, the rotating shaft 8 is transversely arranged between the two support plates 1 in a rotating mode, the two swing arms 3 are fixed on the rotating shaft 8, and the two swing arms 3 are parallel. Wherein, two ends of the rotating shaft 8 are connected with two support plates 1 arranged on the frame through a second sleeve 6;
the output end of the driving mechanism is connected with the rotating shaft 8, and the driving mechanism is used for driving the rotating shaft 8 to rotate. The driving mechanism comprises a hydraulic cylinder 5, a rack 9 and a gear 7, wherein the hydraulic cylinder 5 is fixed on the frame, one end of the rack 9 is connected with a piston rod of the hydraulic cylinder 5, the gear 7 is fixed on a rotating shaft 8, and the rack 9 and the gear 7 are always meshed in the stroke of the hydraulic cylinder 5 for driving the rack 9 to move;
the movable tension roller 4 is transversely and rotatably arranged between the two swing arms 3.
In the above technical solution, as one embodiment, the driving mechanisms are two groups, and the gears 7 of the two driving mechanisms are symmetrically fixed on the rotating shaft 8; as another embodiment, the driving mechanism is a group, and the gear 7 of the driving mechanism is fixed in the middle of the rotating shaft 8.
In this embodiment, the driving mechanisms are two groups, as shown in fig. 2.
For the hydraulic cylinder, specifically, the tail of the hydraulic cylinder 5 is hinged with the frame, a stop sleeve 10 is arranged on the frame, a limit groove matched with the width of the rack 9 is arranged on the stop sleeve 10, and in the stroke of the hydraulic cylinder 5 for driving the rack 9 to move, one toothless side of the rack 9 is always embedded into the limit groove arranged on the stop sleeve 10.
In order to reduce the friction between the rack 9 and the stop sleeve 10, the following design is carried out: the retaining sleeve 10 is of a circular ring structure, limiting grooves are circumferentially arranged along the outer ring surface of the retaining sleeve, a fixed shaft 12 is arranged between two support plates 1 on the frame, and the retaining sleeve 10 is arranged on the fixed shaft 12 in a penetrating mode through a first shaft sleeve 11.
In order to accurately calculate the wrap angle, the following design is carried out: the hydraulic cylinder 5 is internally provided with a magnetic telescopic displacement sensor which is used for detecting the extension amount of a piston rod of the hydraulic cylinder 5. According to the extension amount of the piston rod of the hydraulic cylinder 5, the wrap angle and the tension amplification coefficient of the tension roller device are quantitatively regulated, and the full-automatic tension control can be realized by combining an informatization system, so that the device is suitable for a band plate continuous rolling production line with frequent band steel switching and high production precision.
In general, the fixed tension roller 2 is transversely and rotatably arranged on the frame, so that the fixed tension roller 2 can rotate, but the relative position is fixed, the movable tension roller 4 is arranged on the frame through the swinging mechanism, and the swinging mechanism is driven to rotate through the driving mechanism, so that the movable tension roller 4 can rotate and revolve around a certain shaft on the frame. As shown in fig. 1, the movable tension roller 4 in the tension roller device is in an initial state, and as shown in fig. 3, the position of the movable tension roller 4 in the tension roller device is adjusted.
According to the design, the tension roller device can adjust the relative position of the movable tension roller 4 and the fixed tension roller 2, so that the wrap angle of the strip steel can be adjusted, different requirements of the strip plate continuous rolling production line on the tension value under different working conditions can be met, and the gap between the movable tension roller 4 and the fixed tension roller 2 can be increased by adjusting the relative position of the movable tension roller 4 and the fixed tension roller 2, so that the strip threading operation of the thick strip steel is facilitated.
Of course, the above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, so that all equivalent modifications made in the principles of the present utility model are included in the scope of the present utility model.
Claims (8)
1. The utility model provides an adjustable wrap angle's tension roller device which characterized in that: comprises a frame, a fixed tension roller, a swinging mechanism, a driving mechanism and a movable tension roller;
two support plates are arranged on the frame and are parallel;
the fixed tension roller is transversely and rotatably arranged between the two support plates;
the swing mechanism comprises a rotating shaft and two swing arms, the rotating shaft is transversely and rotatably arranged between the two support plates, the two swing arms are fixed on the rotating shaft, and the two swing arms are parallel;
the output end of the driving mechanism is connected with the rotating shaft, and the driving mechanism is used for driving the rotating shaft to rotate;
the movable tension roller is transversely and rotatably arranged between the two swing arms.
2. An adjustable wrap angle tension roller device as defined in claim 1, wherein: the driving mechanism comprises a hydraulic cylinder, a rack and a gear, wherein the hydraulic cylinder is fixed on the frame, one end of the rack is connected with a piston rod of the hydraulic cylinder, the gear is fixed on the rotating shaft, and the rack and the gear are always meshed in the stroke of the hydraulic cylinder for driving the rack to move.
3. An adjustable wrap angle tension roller device as defined in claim 2, wherein: the tail of the hydraulic cylinder is hinged with the frame, a stop sleeve is arranged on the frame, a limit groove matched with the width of the rack is arranged on the stop sleeve, and one toothless side of the rack is always embedded into the limit groove arranged on the stop sleeve in the stroke of the hydraulic cylinder driving the rack to move.
4. A wrap angle adjustable tension roller apparatus as defined in claim 3, wherein: the stop sleeve is of a circular structure, the limiting grooves are circumferentially arranged along the outer ring surface of the stop sleeve, a fixed shaft is arranged between two support plates on the frame, and the stop sleeve is arranged on the fixed shaft in a penetrating mode through the first shaft sleeve.
5. An adjustable wrap angle tension roller device according to any one of claims 2 to 4, wherein: the driving mechanisms are two groups, and gears of the two driving mechanisms are symmetrically fixed on the rotating shaft.
6. An adjustable wrap angle tension roller device according to any one of claims 2 to 4, wherein: the driving mechanism is a group, and the gear of the driving mechanism is fixed in the middle of the rotating shaft.
7. An adjustable wrap angle tension roller device as defined in claim 2, wherein: and a magnetic telescopic displacement sensor is arranged in the hydraulic cylinder and is used for detecting the extension amount of a piston rod of the hydraulic cylinder.
8. An adjustable wrap angle tension roller device as defined in claim 1, wherein: two ends of the rotating shaft are connected with two support plates arranged on the frame through a second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321730183.3U CN219906386U (en) | 2023-07-03 | 2023-07-03 | Tension roller device with adjustable wrap angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321730183.3U CN219906386U (en) | 2023-07-03 | 2023-07-03 | Tension roller device with adjustable wrap angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219906386U true CN219906386U (en) | 2023-10-27 |
Family
ID=88429060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321730183.3U Active CN219906386U (en) | 2023-07-03 | 2023-07-03 | Tension roller device with adjustable wrap angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219906386U (en) |
-
2023
- 2023-07-03 CN CN202321730183.3U patent/CN219906386U/en active Active
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