Roller table and shearing production line for shearing line

Abstract

The present invention discloses a roller conveyor and a shearing production line for a shearing line. Along the transport direction of the roller conveyor for the shearing line, the plurality of roller assemblies are arranged at intervals, the axes of the plurality of roller assemblies are all located in the same horizontal plane, and the axis of at least one of the plurality of roller assemblies is arranged obliquely relative to the transport direction. When a steel plate (1) moves along the transport direction on the plurality of roller assemblies, the at least one roller assembly can move the steel plate (1) toward the fixed edge (10) of the roller conveyor for the shearing line and make the side edge of the steel plate (1) completely fit the fixed edge (10). The axes of some of the roller assemblies in the roller conveyor for the shearing line are arranged obliquely relative to the transport direction. When the steel plate moves on the plurality of roller assemblies, an automatic side-pull operation can be realized without setting a separate side-pull device, thereby saving costs.

Description

Technical Field

[0001] The invention relates to the field of metallurgical mechanical equipment, in particular to a roller table for a shearing line, and also to a shearing production line containing the roller table for a shearing line. Background Art

[0002] Medium and thick plate shearing lines are generally equipped with head shears, double-sided shears and cut-to-length shears. All three shears require the steel plate to be close to the fixed side during transportation to ensure the rectangularity and accuracy of the steel plate after shearing. Usually, a side device is set on the roller at the entrance side of the shearing machine to ensure that the steel plate can be transported close to the fixed side (i.e. the fixed side). If the side device is set alone, it will affect the rolling rhythm and ultimately affect the output; it will also increase the one-time investment cost and the cost during operation. The wider steel plate rolling line is generally wider. Under normal circumstances, the roller drive is at one end. The widest roller is 5000mm wide. One end of the roller frequently bears torque transmitted to the entire roller body. The entire roller transportation force is uneven. Long-term forward and reverse operation will cause the motor shaft to break. The roller width must be set wider than the widest steel plate, but in actual use, products with medium width specifications are often produced. The non-fixed side roller is used less frequently. Long-term operation will cause the fixed side roller surface to wear more seriously and the entire roller surface to wear unevenly. Summary of the invention

[0003] In order to save the edge-pushing device in the shearing line, the present invention provides a roller conveyor and a shearing production line for a shearing line, wherein the axes of some roller assemblies in the roller conveyor for the shearing line are arranged obliquely relative to the transportation direction, and when the steel plate moves on the multiple roller assemblies, the automatic edge-pushing operation can be realized without setting a separate edge-pushing device, thereby saving costs.

[0004] The technical solution adopted by the present invention to solve its technical problem is: a roller conveyor for a shearing line, comprising a plurality of roller assemblies, wherein the plurality of roller assemblies are arranged at intervals along the transport direction of the roller conveyor for the shearing line, the axes of the plurality of roller assemblies are all located in the same horizontal plane, the axis of at least one of the plurality of roller assemblies is inclined relative to the transport direction, and when the steel plate moves along the transport direction on the plurality of roller assemblies, the at least one roller assembly can move the steel plate toward the fixed edge of the roller conveyor for the shearing line and make the side edge of the steel plate completely fit with the fixed edge.

[0005] From the exit end of the roller conveyor for the shearing line toward the entry end of the roller conveyor for the shearing line, the multiple roller assemblies are sequentially the 1st roller assembly, the 2nd roller assembly to the Nth roller assembly, and the axis of the 1st roller assembly is perpendicular to the transport direction.

[0006] The axes of the second roller assembly to the Nth roller assembly are all arranged obliquely relative to the transport direction.

[0007] From the 2nd roller assembly to the Nth roller assembly, the axes of two adjacent roller assemblies are parallel.

[0008] The inclination angle from the axis of the second roller assembly to the axis of the Nth roller assembly relative to the transport direction is greater than or equal to 88.5° and less than 90°.

[0009] A roller ring is provided at the end of each roller assembly, the inner end face of the roller ring on the first roller assembly is completely fitted with the fixed edge, and the inner end face of the roller ring on the second roller assembly to the Nth roller assembly is in point contact with the fixed edge.

[0010] The number of the multiple roller assemblies is 15-25, and the length of the roller body of each roller assembly is 3000mm-5000mm.

[0011] Each of the roller assemblies comprises a non-fixed side roller body, a reduction motor and a fixed side roller body which are arranged in sequence, and the reduction motor is a dual-output motor.

[0012] The length of the non-fixed side roller body is greater than the length of the fixed side roller body.

[0013] A shearing production line comprises a shearing machine and the roller conveyor for the shearing line, wherein the outlet end of the roller conveyor for the shearing line corresponds to the inlet of the shearing machine, and the conveying direction of the roller conveyor for the shearing line is perpendicular to the shearing blade of the shearing machine.

[0014] The beneficial effects of the present invention are: it can avoid the need to set up a separate edge device and edge roller group; it can make the roller body bear force evenly and increase the service life of the roller. It is more suitable for transporting wider steel plates. It can be extended to similar equipment and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0016] Figure 1 It is a top view of the roller table used for the shearing line of the present invention.

[0017] Figure 2 This is the front view of the first roller when it is assembled in working condition.

[0018] Figure 3 It is a three-dimensional schematic diagram of the contact point between the roller ring and the steel plate on the second roller assembly.

[0019] Figure 4It is a top view schematic diagram of the contact point between the roller ring and the steel plate on the second roller assembly.

[0020] Figure 5 yes Figure 2 An enlarged schematic diagram of the middle reduction motor area.

[0021] Figure 6 yes Figure 2 An enlarged schematic diagram of the middle bearing seat.

[0022] 1. Steel plate; 2. Shearing machine; 3. Non-fixed side roller; 4. Speed ​​reducer; 5. Fixed side roller; 6. Bearing seat; 7. Roller ring; 8. Roller table; 9. Motor base; 10. Fixed side;

[0023] 11. Assemble the first roller; 12. Assemble the second roller; 13. Assemble the third roller; 14. Assemble the fourth roller; 15. Assemble the Nth roller. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] A roller conveyor for a shearing line comprises a plurality of roller assemblies, wherein the plurality of roller assemblies are arranged at intervals along a transport direction E of the roller conveyor for the shearing line, the axes of the plurality of roller assemblies are all located in the same horizontal plane, the axis of at least one of the plurality of roller assemblies is arranged obliquely relative to the transport direction E, and when a steel plate 1 moves along the transport direction E on the plurality of roller assemblies, the at least one roller assembly can move the steel plate 1 toward a fixed edge 10 of the roller conveyor for the shearing line and make the side edge of the steel plate 1 completely fit with the fixed edge 10, such as Figure 1 and Figure 2 shown.

[0026] The transport direction E is parallel to the fixed edge 10. Since the axis of a part of the roller assembly is inclined relative to the transport direction E, the part of the roller assembly can generate an axial force on the steel plate 1, which can realize the automatic side-pull operation during the movement of the steel plate 1, without the need to set up a separate side-pull device. Figure 1 The fixed edge 10 is an imaginary vertical plane. When the steel plate 1 moves along the transport direction E, one side of the steel plate 1 is completely in contact with the vertical plane, that is, one side of the steel plate 1 is located in the vertical plane, and the projection of the vertical plane on the horizontal plane is a straight line. Alternatively, the fixed edge 10 is an imaginary straight line, and one side of the steel plate 1 is completely in contact with the straight line.

[0027] In this embodiment, the number of the roller assemblies is N. From the outlet end of the roller conveyor for the shearing line to the inlet end of the roller conveyor for the shearing line, the multiple roller assemblies are the first roller assembly 11, the second roller assembly 12, the third roller assembly 13, the fourth roller assembly 14 to the Nth roller assembly 15. The axis of the first roller assembly 11 is perpendicular to the transport direction E to ensure the layout of the interface and other equipment, such as Figure 1 shown.

[0028] In this embodiment, the axis from the second roller assembly 12 to the axis of the Nth roller assembly 15 are all inclined relative to the transport direction. From the second roller assembly 12 to the Nth roller assembly 15, the axes of two adjacent roller assemblies are parallel. The inclination angle A from the axis of the second roller assembly 12 to the axis of the Nth roller assembly 15 relative to the transport direction E is greater than or equal to 88.5° and less than 90°.

[0029] There are a total of N-1 roller assemblies from the 2nd roller assembly 12 to the Nth roller assembly 15, and all of the N-1 roller assemblies are inclined relative to the transportation direction. During the transportation of the steel plate 1, the steel plate 1 can be forced to run in the direction of the fixed edge 10, thereby achieving the purpose of pulling against the edge. This arrangement can save the investment in a separate pulling-to-the-edge device, save investment, and improve efficiency.

[0030] In this embodiment, the number of the plurality of roller assemblies is 15-25, that is, the above N is 15-25, the distance between two adjacent roller assemblies is 1000mm, and they can be properly arranged before entering the shearing machine 2. The incoming material length of the roller for the shearing line can be 6000mm-40000mm. The roller body length D of each roller assembly is 3000mm-5000mm, as shown in 1.

[0031] In the present invention, the design length of the roller body length D of each roller assembly is smaller than the actual maximum width C of the incoming steel plate, and the maximum difference width difference B is usually 300mm-900mm. Usually, the maximum width of the incoming steel plate is C, and the width of the existing roller is D. The traditional design is that D must be greater than C to ensure the effective transportation of the steel plate. This design will result in a wider roller surface width, and the production probability of the maximum plate width is small, resulting in a certain amount of waste; while in the present invention, D is smaller than C. During the transportation of the maximum plate width steel plate, the difference B between the two is allowed to appear. Usually, the value of B is 300-900mm, which does not affect the transportation of the steel plate. This design can make the roller wear orientation uniform.

[0032] In this embodiment, a roller ring 7 is coaxially sleeved on the outer end of each roller assembly, that is, the axis of the roller ring 7 coincides with the axis of the roller body of the roller assembly, and the inner end surface of the roller ring 7 is perpendicular to the axis of the roller body of the roller assembly. The roller ring 7 is located outside the fixed edge 10, the inner end surface of the roller ring 7 on the first roller assembly 11 is completely in contact with the fixed edge 10, and the inner end surface of the roller ring 7 on the second roller assembly 12 to the Nth roller assembly 15 is in point contact with the fixed edge 10, and the contact point F is as shown in FIG. Figure 3 and Figure 4 shown.

[0033] The roller ring 7 on the first roller assembly 11 is prefabricated and welded, while the roller rings 7 on the second roller assembly 12 to the Nth roller assembly 15 are installed later. For example, after the multiple roller assemblies of the roller table for the shear line of the present invention are positioned and installed, the roller rings 7 on the second roller assembly 12 to the Nth roller assembly 15 are installed, so as to ensure that they are arranged in a straight line along the fixed edge 10, and the roller rings 7 on the second roller assembly 12 to the Nth roller assembly 15 can be installed by on-site welding.

[0034] In this embodiment, each of the roller assemblies comprises a non-fixed side roller body 3, a reduction motor 4 and a fixed side roller body 5 which are arranged in sequence. The reduction motor 4 can adopt an existing product. The reduction motor 4 is located in the middle of the non-fixed side roller body 3 and the fixed side roller body 5. The reduction motor 4 is a dual-output motor, such as Figure 5 The roller assembly drive reduction motor 4 is installed and arranged in the middle of the roller body, which can bear the weight of the roller and the steel plate 1, ensure that the roller is evenly stressed, and avoid the shaft breakage accident caused by uneven stress.

[0035] The roller body of the roller assembly in the roller conveyor for the shearing line includes a non-fixed side roller body 3 and a fixed side roller body 5. The non-fixed side roller body 3 and the fixed side roller body 5 are both two-section structures. Bearings and bearing seats 6 are provided between the two sections of the non-fixed side roller body 3 and the fixed side roller body 5. The reduction motor 4 can drive the roller body of the roller assembly to rotate, so that the steel plate 1 moves along the transportation direction E on the multiple roller assemblies.

[0036] The present invention sets the roller body length of the roller assembly so that the length of the non-fixed side roller body 3 is greater than the length of the fixed side roller body 5. Since the steel plate 1 needs to run on the fixed side, the fixed side roller body 5 has a higher utilization rate, and only the edge of the steel plate with a width greater than the fixed side roller body 5 contacts the non-fixed side roller body 3. The advantage of this structural arrangement is that it enhances the bearing capacity of the fixed side roller body and enhances the service life of the entire roller body. The two ends of the fixed side roller body 5 are supported by the motor base 9 and the roller frame 8; and the two ends of the non-fixed side roller body 3 are also supported by the motor base 9 and the roller frame 8. Figure 5 and Figure 6This structure is more suitable for the transportation of wider steel plates. The roller body is divided into two sections, which effectively reduces the deflection of the roller body and increases the service life of the roller body.

[0037] A shearing production line is described below. The shearing production line includes a shearing machine 2 and the roller conveyor for the shearing line. The outlet end of the roller conveyor for the shearing line corresponds to the inlet of the shearing machine 2. The conveying direction E of the roller conveyor for the shearing line is perpendicular to the plane where the shearing blade of the shearing machine 2 is located. Figure 1 shown.

[0038] The shearing machine 2 can be an existing crop shearing machine, a double-sided shearing machine or a cut-to-length shearing machine, and the axis of the first roller assembly 11 is parallel to the plane where the shearing blade of the shearing machine 2 is located. The plane where the shearing blade of the shearing machine 2 is located is a vertical plane, and the steel plate 1 is divided by the vertical plane.

[0039] The working process of the roller table used for the shearing line is introduced below.

[0040] The steel plate 1 is placed on the roller conveyor for the shearing line, and the reduction motor 4 is started to make each of the roller assemblies rotate, and the steel plate 1 moves along the transport direction E. At the same time, the roller assembly moves the steel plate 1 toward the fixed edge 10 of the roller conveyor for the shearing line and makes the side edge of the steel plate 1 completely fit with the fixed edge 10.

[0041] The axes of some roller assemblies in the roller conveyor for the shearing line are arranged obliquely with respect to the transport direction. When the steel plate is moving on the plurality of roller assemblies, the automatic side-pull operation can be realized, and there is no need to set up a separate side-pull device, thus saving investment and improving efficiency; the fixed-side roller body 5 is provided with a roller ring 7, and the steel plate 1 is limited close to the roller ring 7 during operation, which can replace a separate side wheel, thus saving investment; the reduction motor 4 for driving the roller conveyor assembly is arranged in the middle of the roller body, and the reduction motor 4 adopts a reinforced dual-output structure, which can balance the torque of the roller body, make the roller body stressed evenly, and avoid the occurrence of motor shaft breakage accidents affecting production; the design length of the roller body is narrower than the actual widest steel plate, which can save one-time investment and ensure uniform wear.

[0042] This roller arrangement for shearing line can avoid the need to set up a separate edge device and edge roller group; it can make the roller body bear force evenly and increase the service life of the roller. It is more suitable for the transportation of wider steel plates. It can be extended to similar equipment and has broad application prospects.

[0043] The above is only a specific embodiment of the present invention, and cannot be used to limit the scope of the invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the protection scope of the present invention, should still fall within the scope of this patent. In addition, the technical features of the present invention can be freely combined with each other, with technical features and technical solutions, and with technical solutions.

Claims

1. A roller conveyor for a shearing line, comprising a plurality of roller assemblies, wherein the plurality of roller assemblies are arranged at intervals along the conveying direction of the roller conveyor for the shearing line, characterized in that: The axes of the multiple roller assemblies are all located in the same horizontal plane, and the axis of at least one roller assembly among the multiple roller assemblies is arranged to be inclined relative to the transport direction. When the steel plate (1) moves along the transport direction on the multiple roller assemblies, the at least one roller assembly can move the steel plate (1) toward the fixed edge (10) of the roller conveyor for the shearing line and make the side edge of the steel plate (1) completely fit with the fixed edge (10); Each of the roller assemblies comprises a non-fixed side roller body (3), a reduction motor (4) and a fixed side roller body (5) which are connected in sequence, and the reduction motor (4) is a dual-output motor; The length of the non-fixed side roller body (3) is greater than the length of the fixed side roller body (5); The roller body length of each roller assembly is 3000mm-5000mm; A roller ring (7) is provided at the end of the fixed side roller body (5) of each roller assembly; The roller ring (7) is located outside the fixed edge (10); From the exit end of the roller conveyor for the shearing line toward the entry end of the roller conveyor for the shearing line, the plurality of roller assemblies are sequentially a first roller assembly (11), a second roller assembly (12) to an Nth roller assembly (15), and the axis of the first roller assembly (11) is perpendicular to the transport direction; The inner end surface of the roller ring (7) on the first roller assembly (11) is completely in contact with the fixed edge (10), and the inner end surface of the roller ring (7) on the second roller assembly (12) to the Nth roller assembly (15) is in point contact with the fixed edge (10); The roller body length of each roller assembly is smaller than the actual maximum width of the incoming steel plate.

2. The roller table for a shearing line according to claim 1, characterized in that: The axes from the second roller assembly (12) to the Nth roller assembly (15) are all arranged to be inclined relative to the transport direction.

3. The roller table for a shearing line according to claim 1, characterized in that: From the second roller assembly (12) to the Nth roller assembly (15), the axes of two adjacent roller assemblies are parallel.

4. The roller table for a shearing line according to claim 1, characterized in that: The inclination angle from the axis of the second roller assembly (12) to the axis of the Nth roller assembly (15) relative to the transport direction is greater than or equal to 88.5° and less than 90°.

5. The roller table for a shearing line according to claim 1, characterized in that: The number of the plurality of rollers assembled is 15 to 25.

6. A shearing production line, characterized in that: The shearing production line comprises a shearing machine (2) and the roller conveyor for the shearing line according to claim 1, wherein the outlet end of the roller conveyor for the shearing line corresponds to the inlet end of the shearing machine (2), and the transport direction of the roller conveyor for the shearing line is perpendicular to the shearing blade of the shearing machine (2).

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