CN220515068U - Arm holding device - Google Patents
Arm holding device Download PDFInfo
- Publication number
- CN220515068U CN220515068U CN202321770892.4U CN202321770892U CN220515068U CN 220515068 U CN220515068 U CN 220515068U CN 202321770892 U CN202321770892 U CN 202321770892U CN 220515068 U CN220515068 U CN 220515068U
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- China
- Prior art keywords
- arm
- mounting plate
- adjusting
- holding frame
- arm holding
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000005056 compaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000007373 indentation Methods 0.000 abstract description 3
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Abstract
The utility model relates to an arm holding device which comprises an arm holding frame and an arm holding driving unit, wherein the front end of the arm holding frame is provided with a belt tensioning roller, an auxiliary pressing mechanism is further arranged on the arm holding frame and comprises a mounting plate and a pressing unit, the mounting plate is hinged to the arm holding frame, and the pressing unit is arranged on the mounting plate and is positioned at the front side of the belt tensioning roller; the arm holding frame is also provided with a pressure adjusting mechanism for adjusting the pressure of the compressing unit on the head part of the strip steel. According to the utility model, the pressure adjusting mechanism is arranged on the arm support, so that the pressure of the compression unit on the head of the strip steel is adjustable, the conditions of scratching the strip steel or generating indentations on the surface of the strip steel are reduced, and the strip steel can be better protected. Through setting up pressure adjustment mechanism, can make the mounting panel have the effect that floats, also can make the compression unit have the effect that floats, can adapt to the pressure variation with belted steel between, can protect belted steel better.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, and particularly relates to an arm holding device.
Background
Strip steel coiling is an important link in the steel industry production, and along with the change of market demands of automobile plates, household appliance plates and electrical steel, high-strength steel, medium plates, ultrathin plates and the like are one of important development directions of steel products, so that innovative requirements are continuously provided for process equipment of steel production. The winding-assisting equipment can improve the winding efficiency and effect of the strip steel, for example, by arranging the arm, the belt tensioning roller on the arm is close to the winding drum, and the winding effect with a certain wrap angle can be realized, however, in actual production, the problem that the degree of freedom of the head of the strip steel is relatively large still exists, the difficulty of winding in the first turn is still large, and the problems of bending and the like are easy to occur for some thin strip steel or soft strip steel. The wrap angle can be increased to a certain extent by arranging the guide plate on the arm, but the pressure between the guide plate and the strip steel is uncontrollable, the strip steel is easy to scratch, and especially when the strip steel with the thickness of less than 0.5mm or the galvanized sheet and other soft strip steel are coiled, the strip steel is easy to scratch or the strip steel surface is easy to cause defects such as indentation and the like.
Disclosure of Invention
The utility model relates to an arm holding device which at least can solve part of defects in the prior art.
The utility model relates to an arm holding device which comprises an arm holding frame and an arm holding driving unit, wherein the front end of the arm holding frame is provided with a belt tensioning roller, an auxiliary pressing mechanism is further arranged on the arm holding frame and comprises a mounting plate and a pressing unit, the mounting plate is hinged to the arm holding frame, and the pressing unit is arranged on the mounting plate and is positioned at the front side of the belt tensioning roller; the arm holding frame is also provided with a pressure adjusting mechanism for adjusting the pressure of the compressing unit on the head part of the strip steel.
As one of the implementation modes, the pressure adjusting mechanism comprises a pressure adjusting spring, a pull rod and a positioning nut, wherein two ends of the pressure adjusting spring are respectively hinged with the mounting plate and the pull rod, and the pull rod penetrates through an adjusting seat on the arm holding frame and is in threaded connection with the positioning nut.
As one of the implementation modes, the pull rod is also connected with a locking nut in a threaded manner, and the locking nut is positioned on one side of the positioning nut away from the adjusting seat.
As one of the embodiments, a position adjusting unit for adjusting the swing angle of the mounting plate relative to the hinge shaft is provided on the arm support.
As one of the embodiments, the position adjusting unit includes a limiting rod and a position adjusting part for limiting the limiting rod to move along the axis thereof, and the limiting rod is mounted on the arm holding frame and is located on the swing path of the mounting plate.
As one of the implementation modes, the limiting rod is a screw rod, the position adjusting part is an adjusting nut arranged on the arm holding frame, and the limiting rod is in threaded connection with the adjusting nut.
As one of the embodiments, the pressing unit includes an auxiliary pressing roller disposed on the mounting plate, the axis of the auxiliary pressing roller is parallel to the axis of the belt tensioning roller, and the auxiliary pressing roller is suitable for being tangent to a reference circle, and the reference circle is an circumscribed circle at the belt outlet of the belt tensioning roller.
As one of the embodiments, the pressing unit includes a guide surface formed on the mounting plate and facing a reference circle, which is an circumscribed circle at a belt outlet of the belt-tensioning roller.
The utility model has at least the following beneficial effects:
according to the utility model, the pressure adjusting mechanism is arranged on the arm support, so that the pressure of the compression unit on the head of the strip steel is adjustable, the conditions of scratching the strip steel or generating indentations on the surface of the strip steel are reduced, and the strip steel can be better protected. Through setting up pressure adjustment mechanism, can make the mounting panel have the effect that floats, also can make the compression unit have the effect that floats, can adapt to the pressure variation with belted steel between, can protect belted steel better.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a matching structure between an arm holding device and a winding drum according to an embodiment of the present utility model;
fig. 2 is a schematic partial structure of an arm-holding device according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, an embodiment of the present utility model provides an arm holding device 1, which includes an arm holding frame 11 and an arm holding driving unit, wherein a belt tensioning roller 12 is disposed at the front end of the arm holding frame 11, an auxiliary pressing mechanism 13 is further disposed on the arm holding frame 11, the auxiliary pressing mechanism 13 includes a mounting plate 131 and a pressing unit, the mounting plate 131 is hinged on the arm holding frame 11, and the pressing unit is disposed on the mounting plate 131 and is located at the front side of the belt tensioning roller 12; the arm support 11 is also provided with a pressure adjusting mechanism for adjusting the pressure of the compressing unit on the head of the strip steel.
The arm holding frame 11 is generally hinged on the auxiliary winding frame 2, and the arm holding driving unit is used for driving the arm holding frame 11 to swing, so that the arm holding frame 11 has an enclasping state close to the winding drum 3 and an opening state far away from the winding drum 3; in the clasped state, the belt tensioning roller 12 is close to the winding drum 3, and the auxiliary pressing mechanism 13 is also close to the winding drum 3.
The arm holding driving unit can adopt driving equipment such as a hydraulic cylinder, an air cylinder and the like, the shell of the arm holding driving unit is hinged on the auxiliary winding frame 2, the output end of the arm holding driving unit is hinged with the arm holding frame 11, and the arm holding frame 11 can swing to be close to or far away from the winding drum 3.
When in coiling, the head of the strip steel enters a V-shaped channel formed by the auxiliary coiling belt 4 and the winding drum 3, and the belt 4 and the winding drum 3 clamp the head to rotate so as to finish the coiling of the first circle. The side of the mounting plate 131 adjacent to the V-shaped channel guides the tape head into the spool 3, i.e. the compacting unit is located on the side of the belt tensioning roller 12 adjacent to the V-shaped channel.
In general, the wrap angle α1 generated on the winding drum 3 by the auxiliary winding belt 4 of the belt tensioning roller 12 is further increased by arranging the compressing unit, that is, the wrap angle α1+α2 of the strip steel on the winding drum 3 is larger, the winding is easier, the free section of the head of the strip steel is smaller, the first turn is easier to wind up, and a better winding effect is generated.
In one embodiment, the compacting unit comprises an auxiliary press roller 132 provided on the mounting plate 131, the axis of the auxiliary press roller 132 being parallel to the axis of the belt-tensioner roller 12, the auxiliary press roller 132 being adapted to be tangential to a reference circle; wherein the reference circle is an circumscribed circle at the belt exit of the belt tensioner roller 12.
In further embodiments, the pressing unit includes a guide surface 133 formed on the mounting plate 131 and facing the reference circle.
Wherein the reference circle is concentric with the spool 3 and is greater than or equal to the radius of the spool 3.
Wherein, there may be a plurality of auxiliary press rolls 132, and when there are a plurality of auxiliary press rolls 132, each auxiliary press roll 132 is arranged in turn along the circumference of the reference circle, so that a relatively larger wrap angle of the strip steel can be obtained.
The guide surface 133 may be a planar guide surface 133, or may be a curved guide surface 133, for example, an arc-shaped guide surface 133.
As shown in fig. 1 and 2, it is preferable to include both the auxiliary pressing roller 132 described above and the guide surface 133 formed as described above, wherein the guide surface 133 is located at the front side of the auxiliary pressing roller 132; the auxiliary press roller 132 is in rolling contact with the strip steel, so that friction force is small, and the strip steel can be prevented from being scratched while the strip steel is attached to the winding drum 3; the contact friction force between the guide surface 133 and the strip steel is relatively large, and when the guide surface 133 is arranged on the front side of the auxiliary press roller 132, a certain distance exists between the guide surface 133 and the winding drum 3, the guide surface can still play a good role in guiding the strip steel, the free section length of the head part of the strip steel is limited, and meanwhile the strip steel can be prevented from being scratched or the surface of the strip steel is prevented from being pressed.
In one embodiment, as shown in fig. 1 and 2, the pressing unit includes a plurality of high pressure nozzles 134 disposed on the mounting plate 131, the blowing direction of each high pressure nozzle 134 faces the reference circle (i.e. faces the winding drum 3), and the arm support 11 is provided with a gas supply pipeline for supplying the medium gas to each high pressure nozzle 134.
The high pressure nozzle 134 is used for blowing high pressure medium gas, such as compressed air, onto the surface of the strip steel.
Wherein, can set up the fretwork groove on mounting panel 131, for example set up the fretwork groove on above-mentioned guide surface 133 for install high pressure nozzle 134, the condition of fish tail belted steel when can prevent high pressure nozzle 134 bulge mounting panel 131.
In one embodiment, the high pressure nozzles 134 are distributed on both front and rear sides of the auxiliary press roller 132, and the high pressure nozzles 134 behind the auxiliary press roller 132 are installed between the auxiliary press roller 132 and the belt-tensioning roller 12.
In one embodiment, each of the high-pressure nozzles 134 is arranged in a plurality of nozzle groups, each of which is arranged in order in the circumferential direction of the reference circle, and each of which includes a plurality of high-pressure nozzles 134 arranged in order at intervals in the axial direction of the belt-tensioner roller 12.
By arranging the high-pressure nozzle 134, high-pressure medium gas is blown to act on the surface of the strip steel, so that the strip head can be attached to the winding drum 3 to compress the strip steel, and the condition that the surface of the strip steel is scratched or the surface of the strip steel is pressed is avoided because the strip steel is contacted with the high-pressure medium gas; moreover, the pressure of the strip steel can be regulated by regulating the pressure of the medium gas, and the regulating mode is convenient, efficient and reliable. In particular, when a gap channel is formed between the mounting plate 131 and the reel 3 (the gap channel has a certain length along the circumferential direction of the reference circle), for example, the gap channel formed by the surrounding between the guide surface 133 and the reel 3 is first restrained by the high-pressure medium gas blown out, so that not only can the pressure be continuously applied to the strip steel to ensure the application effect of the strip head on the reel 3, but also the high-pressure medium gas can better support the strip head, so that the strip head is suspended between the reel 3 and the mounting plate 131, and the strip steel is completely prevented from being scratched; further, in combination with the restriction of the auxiliary pressure roller 132, the medium air flow is directed forward of the tape head, thereby better supporting the tape head.
In one embodiment, as shown in fig. 2, the pressure adjusting mechanism includes a pressure adjusting spring 1361, a pull rod 1362 and a positioning nut 1363, two ends of the pressure adjusting spring 1361 are respectively hinged with the mounting plate 131 and the pull rod 1362, and the pull rod 1362 passes through an adjusting seat on the arm-holding frame 11 and is in threaded connection with the positioning nut 1363. The pressure adjusting purpose can be achieved by adjusting the length of the pressure adjusting spring 1361 through the cooperation of the positioning nut 1363 and the pull rod 1362. Further, a lock nut 1364 is also screwed on the pull rod 1362 to ensure the reliability of the adjusted position of the pull rod 1362.
In particular, by providing the pressure adjusting mechanism, the mounting plate 131 can have a floating effect, that is, the auxiliary press roller 132/the guide surface 133 can have a floating effect, so that the pressure change between the self-adaption and the strip steel can be adapted, and the strip steel can be better protected.
Further preferably, a position adjusting unit for adjusting the swing angle of the mounting plate 131 relative to the hinge shaft thereof is disposed on the arm support 11, so that the purpose of adjusting the distance between the pressing unit and the reference circle can be achieved, that is, the distance between the pressing unit and the winding drum can be adjusted, and the strip steel can be prevented from being scratched or being pressed on the surface of the strip steel, thereby effectively improving the quality of the strip steel.
Preferably, as shown in fig. 2, the position adjustment unit includes a limit rod 1351 and a position adjustment portion for limiting movement of the limit rod 1351 along its own axis, and the limit rod 1351 is mounted on the arm support 11 and located on the swing path of the mounting plate 131. The spherical end of the limiting rod 1351 is abutted with the mounting plate 131, and the abutting position is preferably located between the hinge shaft 1311 of the mounting plate 131 and the compression unit; the intersection angle between the axis of the limit rod 1351 and the plate surface of the mounting plate 131 is preferably about 90 degrees, and by moving the limit rod 1351, the spherical end of the limit rod 1351 moves linearly along with the movement of the limit rod, and the mounting plate 131 swings correspondingly, so that the adjustable distance between the pressing unit and the reference circle can be realized.
Preferably, the limit rod 1351 is a screw, the position adjusting portion is an adjusting nut 1352 disposed on the arm support 11, the limit rod 1351 is screwed with the adjusting nut 1352, and the two may form a set of screw mechanisms, and the adjusting manner is preferably manual adjustment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides an armful arm device, includes armful cantilever crane and armful arm drive unit, the front end of armful cantilever crane is equipped with belt tensioning roller, its characterized in that: the arm holding frame is also provided with an auxiliary pressing mechanism, the auxiliary pressing mechanism comprises a mounting plate and a pressing unit, the mounting plate is hinged to the arm holding frame, and the pressing unit is arranged on the mounting plate and positioned at the front side of the belt tensioning roller; the arm holding frame is also provided with a pressure adjusting mechanism for adjusting the pressure of the compressing unit on the head part of the strip steel.
2. The arm-holding device of claim 1, wherein: the pressure adjusting mechanism comprises a pressure adjusting spring, a pull rod and a positioning nut, wherein two ends of the pressure adjusting spring are respectively hinged with the mounting plate and the pull rod, and the pull rod penetrates through an adjusting seat on the arm holding frame and is in threaded connection with the positioning nut.
3. Arm-holding device according to claim 2, characterized in that: the pull rod is also connected with a lock nut in a threaded manner, and the lock nut is positioned on one side of the positioning nut, which is far away from the adjusting seat.
4. The arm-holding device of claim 1, wherein: the arm support is provided with a position adjusting unit for adjusting the swing angle of the mounting plate relative to the hinge shaft of the mounting plate.
5. The arm-holding device of claim 4, wherein: the position adjusting unit comprises a limiting rod and a position adjusting part used for limiting the limiting rod to move along the axis of the limiting rod, and the limiting rod is arranged on the arm holding frame and is positioned on the swing path of the mounting plate.
6. The arm-holding device of claim 5, wherein: the limiting rod is a screw rod, the position adjusting part is an adjusting nut arranged on the arm holding frame, and the limiting rod is in threaded connection with the adjusting nut.
7. The arm-holding device of claim 1, wherein: the compaction unit comprises an auxiliary compression roller arranged on the mounting plate, the axis of the auxiliary compression roller is parallel to the axis of the belt tensioning roller, the auxiliary compression roller is suitable for being tangent to a reference circle, and the reference circle is an circumscribed circle of a belt outlet of the belt tensioning roller.
8. The arm-holding device of claim 1, wherein: the pressing unit includes a guide surface formed on the mounting plate and facing a reference circle, which is an circumscribed circle at a belt outlet of the belt-tensioning roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321770892.4U CN220515068U (en) | 2023-07-06 | 2023-07-06 | Arm holding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321770892.4U CN220515068U (en) | 2023-07-06 | 2023-07-06 | Arm holding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220515068U true CN220515068U (en) | 2024-02-23 |
Family
ID=89931152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321770892.4U Active CN220515068U (en) | 2023-07-06 | 2023-07-06 | Arm holding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220515068U (en) |
-
2023
- 2023-07-06 CN CN202321770892.4U patent/CN220515068U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |