Gantry supporting frame of uncoiler main shaft

By designing the gantry frame structure of the gantry support frame and using V-shaped support seats to support the main shaft of the uncoiler, the problem of lack of support at the suspended end is solved, and the load distribution and rotation accuracy are improved. The structure is simple and easy to operate.

CN223465337UActive Publication Date: 2025-10-24DONGGUAN JIEDA MASCH CO LTD
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Patent Information

Application Number
CN202422946080.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-10-24
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The lack of effective support at the suspended end of the existing uncoiler spindle leads to concentrated load, affecting rotational accuracy and stability.

Method used

A gantry support frame including a first support column, a second support column, a crossbeam, and a lifting device was designed. By forming a gantry frame structure, the V-shaped support seat supports the main shaft of the uncoiler, distributing the load and improving the rotation accuracy.

Benefits of technology

It achieves uniform distribution of spindle load, improves rotation accuracy, prevents bending and twisting, has a simple structure, small footprint, strong load-bearing capacity and is easy to operate.

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Abstract

The utility model discloses a gantry supporting frame of an uncoiler main shaft, and relates to the technical field of uncoilers. The gantry supporting frame comprises a first supporting column, a second supporting column, a cross beam and a lifting device. The first supporting column and the second supporting column are vertically fixed to the two sides of the uncoiler main shaft in the length direction correspondingly. One end of the beam is rotationally connected with the top of the first supporting column, and the other end of the beam is detachably connected with the top of the second supporting column, so that a portal frame structure is formed; the lifting device is installed on the top of the cross beam, a V-shaped supporting seat is arranged on the lifting device, the lifting device is used for adjusting the height position of the V-shaped supporting seat, and the V-shaped supporting seat is used for supporting a main shaft of the uncoiler to rotate. The gantry supporting frame can support the suspended end of the uncoiler main shaft after coil stock feeding, the load of the uncoiler main shaft is dispersed, and the rotating precision of the uncoiler main shaft is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a field of uncoiler technology, especially relates to a gantry support frame of uncoiler spindle. BACKGROUND

[0002] The uncoiler is special equipment for metal plate leveling, and is used for metal coil placement and feeding to the next process. The uncoiler spindle has two functions: one is to drive the steel coil to rotate, and the other is to support the tension of the steel coil. When the uncoiler works, the front end of the uncoiler spindle is suspended, so that the metal coil can be easily sleeved on the spindle. However, the metal coil is heavy, and the uncoiler spindle needs to bear the weight of the coil and various forces generated during uncoiling, such as torque and tension. Therefore, it is necessary to provide a gantry support frame for the suspended end of the uncoiler spindle. SUMMARY

[0003] The utility model provides a gantry support frame of uncoiler spindle, which can provide support for the suspended end of the uncoiler spindle after the coil is fed, distribute the load of the uncoiler spindle, and improve the rotation accuracy of the uncoiler spindle.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A gantry support frame of uncoiler spindle, comprising a first support column, a second support column, a cross beam and a lifting device; the first support column and the second support column are respectively vertically fixed on both sides of the length direction of the uncoiler spindle; the cross beam is horizontally arranged, one end of which is rotatably connected with the top of the first support column, and the other end is detachably connected with the top of the second support column, thereby forming a gantry structure; the lifting device is installed on the top of the cross beam, and a V-shaped support seat is arranged on the lifting device; the lifting device is used for adjusting the height position of the V-shaped support seat, and the V-shaped support seat is used for supporting the rotation of the uncoiler spindle.

[0006] In some embodiments, the bottom of the end of the cross beam connected with the second support column is fixed with a connecting plate, and a first bolt hole is arranged on the connecting plate; the top of the second support column is provided with a second bolt hole corresponding to the first bolt hole, and the connecting plate and the second support column are connected by a bolt inserted through the first bolt hole and the second bolt hole.

[0007] Compared with the prior art, the utility model has at least the following beneficial effects:

[0008] When the uncoiler is working, the worker first separates the cross beam from the top of the second support column, manually rotates the cross beam 90 degrees clockwise around the top of the first support column to open; then places the roll material to the center of the lifting trolley of the uncoiler, slowly raises the lifting trolley, aligns the center of the roll material with the center of the main shaft, and then the lifting trolley starts to advance along the track, so as to sleeve the roll material on the main shaft; after the roll material is fed, the lifting trolley is lowered and withdrawn from the working range of the main shaft of the uncoiler, and the worker finally rotates the cross beam 90 degrees counterclockwise around the top of the first support column to swing back to the top of the second support column, connects the cross beam with the second support column, so as to form a gantry structure; the height position of the V-shaped support seat can be adjusted through the lifting device, so that the V-shaped support seat is tangent to the main shaft seat at the front end of the uncoiler, the gantry support frame can support the main shaft, uniformly disperses the load of the main shaft to the ground, the gantry support frame has high bending and torsional resistance, prevents the main shaft from bending and deforming and twisting, and improves the rotation accuracy of the main shaft, and the uncoiler has the advantages of simple structure, small occupied area, strong bearing capacity and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0009] One or more embodiments of the present application will now be described, by way of example only, with reference to the accompanying drawings:

[0010] Fig. 1 is a structural schematic view of the embodiment of the present application;

[0011] Fig. 2 is an exploded view of the embodiment of the present application;

[0012] Fig. 3 is a structural schematic view of the cross beam of the embodiment of the present application;

[0013] Fig. 4 is a structural schematic view of the second support column of the embodiment of the present application;

[0014] Fig. 5 is a structural schematic view of the mandrel of the embodiment of the present application.

[0015] The reference numerals in the drawings are: 1, first support column; 2, second support column; 21, second bolt hole; 3, cross beam; 31, connecting plate; 311, first bolt hole; 4, lifting device; 5, V-shaped support seat; 6, bolt; 7, stop block; 8, handle; 9, bolt seat; 91, positioning hole; 10, mandrel; 20, bearing; 201, deep groove ball bearing; 202, thrust ball bearing; 30, bottom plate; 301, waist-shaped hole; 40, reinforcing rib. DETAILED DESCRIPTION

[0016] The utility model will be described in detail below with reference to the exemplary embodiments in the drawings. But it should be understood that the present application can be realized in various different forms, and should not be understood as being limited to the embodiments set forth herein. The embodiments are provided herein to make the disclosure of the present application more complete and to fully convey the concept of the present application to those skilled in the art.

[0017] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several", "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0018] As Figs. 1-5As shown, in one embodiment of the utility model, the gantry support frame of the uncoiler main shaft comprises a first support column 1, a second support column 2, a crossbeam 3 and a lifting device 4; the first support column 1 and the second support column 2 are respectively vertically fixed on the two sides of the length direction of the uncoiler main shaft; the crossbeam 3 is horizontally arranged, one end of the crossbeam 3 is rotatably connected with the top of the first support column 1, and the other end of the crossbeam 3 is detachably connected with the top of the second support column 2, so as to form a gantry structure; the lifting device 4 is installed on the top of the crossbeam 3, a V-shaped support seat 5 is arranged on the lifting device 4, the lifting device 4 is used for adjusting the height position of the V-shaped support seat 5, and a V-shaped groove is arranged on the V-shaped support seat 5 and can be used for supporting the rotation of the uncoiler main shaft.

[0019] When the uncoiler works, the worker first separates the crossbeam 3 from the top of the second support column 2, manually rotates the crossbeam 3 around the top of the first support column 1 by 90 degrees clockwise to open, then places the coil material on the lifting trolley center of the uncoiler, slowly lifts the lifting trolley, aligns the coil material center with the main shaft center, then starts the lifting trolley to advance along the track, so as to sleeve the coil material on the main shaft; after the coil material is sleeved, the lifting trolley is lowered and withdrawn from the working range of the uncoiler main shaft, and the worker finally rotates the crossbeam 3 around the top of the first support column 1 by 90 degrees counterclockwise to swing back to the top of the second support column 2, connects the crossbeam 3 with the second support column 2, so as to form a gantry structure; the worker adjusts the height position of the V-shaped support seat 5 by operating the lifting device 4, so that the V-shaped support seat 5 is tangent to the main shaft seat at the front end of the uncoiler, the gantry support frame can support the main shaft, the uncoiler starts to work, the main shaft rotates to uncoil the coil material, the gantry support frame uniformly disperses the load of the main shaft to the ground, the gantry support frame has high bending resistance and torsional resistance, prevents the main shaft from being bent and deformed and twisted, and improves the rotation accuracy of the main shaft; the utility model has the advantages of simple structure, small floor area, high bearing capacity and convenient operation.

[0020] In some embodiments, a connecting plate 31 is fixed at the bottom of one end of the crossbeam 3 connected with the second support column 2, and a first bolt hole 311 is arranged on the connecting plate 31; a second bolt hole 21 corresponding to the first bolt hole 311 is arranged on the top of the second support column 2. It should be noted that when the crossbeam 3 is connected with the second support column 2, a bolt 6 is arranged in the first bolt hole 311 and the second bolt hole 21, so as to realize the locking connection of the crossbeam 3 with the second support column 2; when the crossbeam 3 is separated from the top of the second support column 2, the bolt 6 can be pulled out.

[0021] Further, a stop block 7 is arranged on the top rear side of the second support column 2. It should be noted that when the crossbeam 3 is rotated by 90 degrees counterclockwise around the top of the first support column 1 to swing back to the top of the second support column 2, the stop block 7 is used for blocking the crossbeam 3, so as to position the crossbeam 3, ensure that the first bolt hole 311 and the second bolt hole 21 are aligned, and facilitate the insertion of the bolt 6.

[0022] Further, the end of the crossbeam 3 connecting with the second support column 2 is provided with a handle 8. It should be noted that when the crossbeam 3 is rotated 90 degrees clockwise around the top of the first support column 1 to be opened, the handle 8 facilitates the staff to pull the crossbeam 3.

[0023] Further, the end of the crossbeam 3 connecting with the first support column 1 is provided with a latch seat 9, the latch seat 9 is provided with a positioning hole 91 matched with the latch 6, and the latch seat 9 is used for placing the latch 6 when the latch 6 is pulled out of the first latch hole 311 and the second latch hole 21.

[0024] In some embodiments, the top of the first support column 1 is vertically fixed with a mandrel 10; the crossbeam 3 is sleeved on the mandrel 10, and the crossbeam 3 is rotationally connected with the mandrel 10 through a bearing 20, the bearing 20 includes a deep groove ball bearing 201 and a thrust ball bearing 202, and the crossbeam 3 is further provided with a cover plate at the top of the mandrel 10. The deep groove ball bearing 201 is used for bearing radial load and can also bear certain axial load, and the thrust ball bearing 202 is used for bearing axial load.

[0025] As a preferred, the lifting device 4 is a lead screw lifter; and the V-shaped support seat 5 is installed on the lifting platform of the lifting device 4. Herein, the type of the lifting device 4 is not limited, as long as the lifting and support requirements of the V-shaped support seat 5 can be met.

[0026] In some embodiments, the bottom of the first support column 1 and the second support column 2 is fixed with a bottom plate 30, the bottom plate 30 is provided with a plurality of waist-shaped holes 301, and the first support column 1 and the second support column 2 are fixed by setting screws in the waist-shaped holes 301; and the bottom plate 30 and the sidewall of the first support column 1 or the second support column 2 are provided with a reinforcing rib 40, which can enhance the structural strength of the first support column 1 and the second support column 2.

[0027] It should be understood that all the above embodiments are exemplary but not limiting, and any modification, equivalent change and modification made by the person skilled in the art to the above described specific embodiments are still within the scope of the technical scheme of the present application.

Claims

1. A gantry support frame for a main shaft of an uncoiler, characterized by: The utility model provides a kind of open mill main shaft rotating support structure, including first support column, second support column, crossbeam and lifting device;The first support column and the second support column are respectively erected and fixed in the length direction of both sides of open mill main shaft;The crossbeam is horizontally arranged, and one end is rotatably connected with the top of the first support column, and the other end is detachably connected with the top of the second support column, to form a portal frame structure;The lifting device is installed on the top of the crossbeam, and the lifting device is provided with V-shaped support seat, and the lifting device is used to adjust the height position of the V-shaped support seat, and the V-shaped support seat is used to support open mill main shaft rotation.

2. The gantry support frame for the mandrel of the decoiler according to claim 1, characterized in that: The end of the crossbeam connected with the second support column is fixed with a connecting plate at the bottom, and the connecting plate is provided with a first bolt hole;The top of the second support column is provided with a second bolt hole corresponding to the first bolt hole, and the connecting plate and the second support column are connected by a bolt inserted into the first bolt hole and the second bolt hole.

3. The gantry support frame for the mandrel of an open mill according to claim 1 or 2, characterized in that: The top rear side of the second support column is provided with a stop block, and the stop block is used to position the crossbeam.

4. The gantry support frame for the mandrel of the uncoiler according to claim 1 or 2, characterized in that: The front side wall of the end of the crossbeam connected with the second support column is provided with a handle.

5. The gantry support frame for the mandrel of an open mill as claimed in claim 2, characterized in that: The side wall of the end of the crossbeam connected with the first support column is provided with a bolt seat, and the bolt seat is provided with a positioning hole matched with the bolt, and the bolt seat is used to place the bolt when the bolt is pulled out of the first bolt hole and the second bolt hole.

6. The gantry support frame for the mandrel of an open mill as claimed in claim 1, characterized in that: The top of the first support column is vertically fixed with a mandrel;The crossbeam is rotatably connected with the mandrel through a bearing, and the bearing includes a deep groove ball bearing and a thrust ball bearing.

7. The gantry support frame for the mandrel of an open mill as claimed in claim 1, characterized in that: The lifting device is a lead screw elevator, and the V-shaped support seat is installed on the lifting platform of the lifting device.

8. The gantry support frame for the mandrel of an open mill as claimed in claim 1, characterized in that: The bottom of the first support column and the second support column is fixed with a bottom plate, and the bottom plate is provided with a plurality of waist-shaped holes, and a reinforcing rib is arranged between the sidewall of the first support column or the second support column and the bottom plate.