Aluminum alloy strip auxiliary support device and control method thereof

Abstract

The present invention relates to an auxiliary support device for aluminum alloy plates and strips and a control method thereof, comprising a bottom plate and a support plate located on the top of the bottom plate, the front end of the support plate is hinged to the front end of the bottom plate, the rear end of the bottom plate is provided with a lifting device, and the rear end of the support plate is hinged to the top of the lifting device; a plurality of first support parts, a second support part located at the bottom, and a plurality of intermediate support parts located between the first support part and the second support part are fixed on the top of the support plate, the support part is connected to a controller, the controller is connected to a signal of a detection device on a conveying device, and controls a corresponding action of a corresponding support part according to a detection result transmitted by the detection device; the device replaces the connecting plate in the prior art, and the auxiliary support effect of the support part on the top aluminum alloy plates and strips is used, so as to further reduce the creases, slip marks, interlayer sliding and bending conditions that may be caused by the height difference of the aluminum alloy plates and strips during transportation, and reduce the quality impact of the transportation process with the height difference on the aluminum alloy plates and strips.

Description

Technical Field

[0001] The present invention relates to the technical field of aluminum alloy strip conveying, and in particular to an aluminum alloy strip auxiliary supporting device and a control method thereof. Background Art

[0002] Since aluminum alloy strips are often in the form of continuous strips, the transportation height should be kept consistent as much as possible during transportation to ensure the overall quality of the aluminum alloy strips. However, during the aluminum alloy strip forming process, due to the different types of processes and the need for transfer of intermediate steps, as well as the defects of site layout and the differences in the specifications and models of transportation equipment, there is often an inevitable difference in transportation height. The transportation height difference will leave surface creases or scratches on aluminum alloy strips with low thickness and flexible materials, and will cause serious internal interlayer sliding or even strip bending for high thickness and hard aluminum alloy strips.

[0003] like Figure 1 As shown, when the aluminum alloy strip L is transported by the upper conveyor B1 driven by the conveyor roller W1 to the surface of the lower conveyor B2 driven by the conveyor roller W2, when there is a conveying height difference as shown in the figure, a connecting plate is added between the conveyor rollers W1 and W2 in the prior art to support the aluminum alloy plate. However, due to the presence of the pad, defects are easily generated at the X1 position where the aluminum alloy strip L leaves the upper conveyor B1, and at the X2 position where the aluminum alloy strip L contacts the lower conveyor B2, causing interlayer sliding of the strip or even bending of the strip. Therefore, there is an urgent need to provide an effective solution to reduce the impact of the above-mentioned situation. Summary of the invention

[0004] In order to solve the defects and shortcomings in the prior art, the present invention provides an aluminum alloy plate and strip auxiliary support device and a control method thereof.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] An auxiliary support device for an aluminum alloy plate and strip, the device comprising a base plate and a support plate located on the top of the base plate, the front end of the support plate being hinged to the front end of the base plate, the rear end of the base plate being provided with a lifting device, the rear end of the support plate being hinged to the top of the lifting device; characterized in that: a plurality of support parts are fixed on the top of the support plate, the support parts comprising a first support part located at the top, a second support part located at the bottom, and a plurality of intermediate support parts located between the first support part and the second support part, the support parts are connected to a controller, the controller is connected to a detection device signal on a conveying device, and controls the corresponding support parts to perform corresponding actions according to the detection results transmitted by the detection device.

[0007] As a further preferred embodiment of the present invention, the base plate includes a base plate body, a weight reduction groove is opened inside the base plate body, a base plate hinge is arranged at the front end of the base plate body, and a lifting device is connected to the rear end of the base plate body.

[0008] As a further preferred embodiment of the present invention, the support plate includes a support plate body, a plurality of fixing holes are evenly opened inside the support plate body, and the support portion is fixedly connected to the support plate body through a fixing member.

[0009] As a further preferred embodiment of the present invention, the front end of the support plate body is provided with a front hinge part of the support plate, and the front axle passes through the bottom plate hinge part and the front hinge part of the support plate to realize the hinge connection between the bottom plate and the support plate; the top of the lifting device is connected with a lifting hinge part, and the rear end of the support plate is provided with a rear hinge part of the support plate, and the rear axle passes through the lifting hinge part and the rear hinge part of the support plate to realize the hinge connection between the lifting device and the support plate.

[0010] As a further preferred embodiment of the present invention, the lifting device includes a lifting base plate fixed to the top of the base plate, a lifting cylinder and a lifting power source are fixed on the top of the lifting base plate, a lifting shaft is provided inside the lifting cylinder which can move up and down relative to the lifting cylinder when driven by the lifting power source, and the top of the lifting shaft is fixedly connected to the lifting hinge.

[0011] As a further preferred embodiment of the present invention, the supporting part includes a supporting base plate fixed to the top of the support plate, a supporting pedestal is fixed on the top of the supporting base plate, a supporting cylinder body and a supporting power source are fixed on the top of the supporting pedestal, a telescopic shaft which can telescopically move relative to the supporting cylinder body under the drive of the supporting power source is provided inside the supporting cylinder body, and the top of the telescopic shaft is connected to the supporting block via a ball joint structure with an internal locking device.

[0012] As a further preferred embodiment of the present invention, the outer wall surface of the support block of the first support part is an outward convex curve, the outer wall surface of the support block of the second support part is an inward concave curve, and the outer wall surface of the support block of the middle support part is a smooth straight line.

[0013] As a further preferred embodiment of the present invention, the detection device on the conveying device includes a quality detection device or a thickness detection device arranged on the upper conveying device, and a defect detection device arranged on the lower conveying device.

[0014] Furthermore, the present invention also provides a control method for an auxiliary support device for an aluminum alloy plate strip, characterized in that it comprises the following steps:

[0015] 1) Adjust the lifting device according to the height difference between the upper conveyor and the lower conveyor so that the plane where the support plate is located matches the shape of the aluminum alloy strip between the upper conveyor and the lower conveyor;

[0016] 2) Determine the number of intermediate support parts according to the support requirements, determine the positions on the support plate, and install the first support part, several intermediate support parts, and the second support part;

[0017] 3) Reduce the conveying speed of the upper conveyor and the lower conveyor;

[0018] 4) Defect detection of the conveyed aluminum alloy strip is performed through the defect detection device of the lower conveying device;

[0019] 5) Compare the defect detection results with the threshold range preset inside the controller:

[0020] 5.1) When the defect detection result is within the preset threshold range, increase the conveying speed of the upper conveyor and the lower conveyor to a normal value;

[0021] 5.2) When the defect detection result exceeds the preset threshold range, the controller adjusts the support part accordingly:

[0022] 5.2.1) When the defect detection result of the upper defect position exceeds the preset threshold range, and the defect detection result of the lower defect position does not exceed the preset threshold range, the controller only adjusts the first support part: first controls the ball joint structure to adjust the telescopic angle of the first support part, and then controls the telescopic shaft to extend relative to the support cylinder body;

[0023] 5.2.2) When the defect detection result of the upper defect position does not exceed the preset threshold range, and the defect detection result of the lower defect position exceeds the preset threshold range, the controller only adjusts the second support part: first controls the ball joint structure to adjust the telescopic angle of the second support part, and then controls the telescopic shaft to retract relative to the support cylinder body;

[0024] 5.2.3) When the defect detection results of the upper defect position and the defect detection results of the lower defect position are both beyond the preset threshold range, the controller simultaneously adjusts the first support part, the second support part and the middle support part: firstly controls the ball joint structure to adjust the telescopic angle, and then controls the telescopic shaft to telescopically move relative to the support cylinder to adjust the telescopic stroke;

[0025] When the defect detection result is within a preset threshold range, the conveying speeds of the upper conveying device and the lower conveying device are increased to normal values.

[0026] As a further preferred embodiment of the present invention, when the detection result of the quality detection device or the thickness detection device of the upper conveying device changes, the control adjustment priority of the controller for the several support parts satisfies: the first support part > the second support part > the middle support part; and the control adjustment priority of the controller for each support part satisfies: the telescopic angle adjustment takes precedence over the telescopic stroke adjustment.

[0027] The beneficial effects of the present invention are:

[0028] (1) The present invention provides an auxiliary support device for aluminum alloy plates and strips and a control method thereof to replace the connecting plate in the prior art. The auxiliary support of the support part to the top aluminum alloy plates and strips can further reduce the possibility of creases, slip marks, interlayer sliding and bending of the aluminum alloy plates and strips caused by the height difference during transportation, thereby reducing the quality impact of the aluminum alloy plates and strips caused by the transportation process with the height difference.

[0029] (2) The present invention provides an auxiliary support device for aluminum alloy plates and strips and a control method thereof, which further reduces the possibility of interlayer sliding and bending of the aluminum alloy plates and strips at the transmission positions X1 and X2 where interlayer sliding and bending are most likely to occur through shape matching and supporting effects of the first support part and the second support part.

[0030] (3) The present invention provides an auxiliary support device for aluminum alloy plates and strips and a control method thereof. The support height of the support part can be adjusted by a lifting device, so that it can be suitable for transmission occasions with different height differences; at the same time, the telescopic angle and telescopic stroke of each support part can be adjusted, so that it can be suitable for the transmission needs of aluminum alloy plates and strips of different qualities and aluminum alloy plates and strips with different quality requirements.

[0031] (4) The present invention provides an auxiliary support device for aluminum alloy plates and strips and a control method thereof. Through real-time adjustment of each support part by the controller, the support angle and support stroke can be automatically adjusted when the aluminum alloy plates and strips being conveyed change, so as to provide the most matching auxiliary support effect for the aluminum alloy plates and strips currently being conveyed, further reduce the quality defects of the aluminum alloy plates and strips caused by the conveying process, and ensure the overall quality of the aluminum alloy plates and strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a diagram of the conveying structure of aluminum alloy strip in the prior art.

[0033] Figure 2 It is a schematic structural diagram of the auxiliary supporting device of the present invention from a first viewing angle.

[0034] Figure 3 It is a schematic structural diagram of the auxiliary supporting device of the present invention from a second viewing angle.

[0035] Figure 4It is a schematic structural diagram of the support part of the present invention.

[0036] Figure 5 It is an enlarged structural diagram of the support portion of the present invention. DETAILED DESCRIPTION

[0037] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0038] [First embodiment]

[0039] like Figure 2-5 The first embodiment of the present invention is shown, which provides an auxiliary support device for an aluminum alloy plate and strip, the device includes a base plate 1 and a support plate 2 located on the top of the base plate 1, the front end of the support plate 2 is hinged to the front end of the base plate 1, the rear end of the base plate 1 is provided with a lifting device 3, the rear end of the support plate 2 is hinged to the top of the lifting device 3; the lifting device 3 can realize the rotation of the support plate 2 relative to the base plate 1 around the bottom hinge position, so that the height position of the support plate 2 can be adjusted by the lifting device 3.

[0040] like Figure 2 As shown, in the present embodiment, the base plate 1 includes a base plate body 11, a weight-reducing groove 111 is opened inside the base plate body 11 to achieve the weight-reducing effect of the base plate body 11, a base plate hinge portion 12 is arranged at the front end of the base plate body 11 for hinge connection with the front end of the support plate 2, and a lifting device 3 is connected to the rear end of the base plate body 11.

[0041] like Figure 2 As shown, in this embodiment, the support plate 2 includes a support plate body 21, and a plurality of fixing holes 221 are evenly opened inside the support plate body 21. The support portion 4 is fixedly connected to the support plate body 21 through a fixing member 5, so that the specific installation position of the support portion 4 on the support plate body 21 can be determined according to actual support needs.

[0042] In this embodiment, a front hinge portion 22 of the support plate is provided at the front end of the support plate body 21, and the front axle S1 passes through the bottom plate hinge portion 12 and the front hinge portion 22 of the support plate to realize the hinge connection between the bottom plate 1 and the support plate 2; a lifting hinge portion 35 is connected to the top of the lifting device 3, and a rear hinge portion 23 of the support plate is provided at the rear end of the support plate 2, and the rear axle S2 passes through the lifting hinge portion 35 and the rear hinge portion 23 of the support plate to realize the hinge connection between the lifting device 3 and the support plate 2.

[0043] like Figure 3As shown, the lifting device 3 of this embodiment includes a lifting base plate 31 fixed to the top of the bottom plate 1, a lifting cylinder 32 and a lifting power source 33 are fixed on the top of the lifting base plate 31, and a lifting shaft 34 is provided inside the lifting cylinder 32, which can move up and down relative to the lifting cylinder 32 under the drive of the lifting power source 33, and the top of the lifting shaft 34 is fixedly connected to the lifting hinge 35. Therefore, under the drive of the lifting power source 33, the lifting shaft 34 moves up and down and telescopes inside the lifting cylinder 32, thereby driving the top lifting hinge 35 to move synchronously, thereby realizing the lifting movement of the support plate 2 relative to the bottom plate 1.

[0044] The main contribution of this embodiment over the prior art is that a plurality of support parts 4 are fixed to the top of the support plate 2, the support parts comprising a first support part 4A at the top, a second support part 4C at the bottom, and a plurality of intermediate support parts 4B between the first support part 4A and the second support part 4C, the support parts 4 are connected to a controller C, the controller is connected to a detection device signal on the transmission device, and controls the corresponding support parts 4 to perform corresponding actions according to the detection results transmitted by the detection device.

[0045] like Figure 4 As shown, the support portion 4 includes a support base plate 41 fixed to the top of the support plate 2, a support base 42 is fixed to the top of the support base plate 41, a support cylinder 43 and a support power source 44 are fixed to the top of the support base 42, and a telescopic shaft 45 is arranged inside the support cylinder 43, which can be telescopically moved relative to the support cylinder 43 under the drive of the support power source 44, and the top of the telescopic shaft 45 is connected to the support block 47 through a ball joint structure 46 with an internal locking device, as shown in FIG. Figure 5 As shown, the ball joint structure 46 includes an articulated seat 461 and an articulated ball 462 located inside the articulated seat 461 and capable of rotating relative to the articulated seat 461. The ball joint structure 46 can realize rotation adjustment of the top support block 47 relative to the top of the telescopic shaft 45 within a preset angle range, and the internal locking device can lock the current position. When angle adjustment is required, it is first unlocked, and then locked when adjusted to the preset position.

[0046] like Figure 1-4 As shown, the outer wall surface of the support block 47 of the first support portion 4A is in a convex curve shape to Figure 1 The outer wall surface of the support block 47 of the second support portion 4C is in a concave curve shape to match the shape of the aluminum alloy strip at the X1 position in the middle. Figure 1The shape of the aluminum alloy strip at the middle X2 position is matched, and the outer wall surface of the support block 47 of the middle support part 4B is smooth and straight, similar to the outer wall shape of the connecting plate in the prior art. As a preferred embodiment of this embodiment, the outer convex curve of the outer wall surface of the support block 47 of the first support part 4A and the inner concave curve of the outer wall surface of the support block 47 of the second support part 4C are preferably parabolic to conform to the downward trend of the aluminum alloy strip. Those skilled in the art know that they can also choose other commonly used curve shapes to meet different support requirements.

[0047] from Figure 1 It can be seen that the larger the angle Y1 of the aluminum alloy strip at the X1 position, the smaller the possibility of interlayer sliding and bending of the aluminum alloy strip. Similarly, the larger the angle Y2 of the aluminum alloy strip at the X2 position, the smaller the possibility of interlayer sliding and bending of the aluminum alloy strip.

[0048] In this embodiment, the detection device on the conveying device includes a quality detection device or a thickness detection device arranged on the upper conveying device B1 to perform real-time detection of the quality of the conveyed aluminum alloy sheet and strip, and a defect detection device arranged on the lower conveying device B2. The defect detection device may include a variety of detection devices to achieve the technical effect of being able to detect both surface defects and internal defects of the aluminum alloy sheet and strip.

[0049] [Second embodiment]

[0050] This embodiment also provides a control method for an aluminum alloy strip auxiliary support device, comprising the following steps:

[0051] 1) adjusting the lifting device 3 according to the height difference between the upper conveying device B1 and the lower conveying device B2 so that the plane where the support plate 2 is located matches the shape of the aluminum alloy strip L between the upper conveying device B1 and the lower conveying device B2;

[0052] 2) Determine the number of intermediate support parts 4B according to the support requirements, and determine the fixed installation positions of the first support part 4A, the plurality of intermediate support parts 4B, and the second support part 4C on the support plate 2, and then fix the first support part 4A, the plurality of intermediate support parts 4B, and the second support part 4C on the support plate 2 through the fixing member 5; the fixing member can be a fixing connection method such as screws and bolts commonly used in the mechanical field;

[0053] 3) Reduce the conveying speed of the upper conveyor B1 and the lower conveyor B2; on the one hand, reducing the speed can reserve time for the subsequent controller C to adjust the support part 4; on the other hand, since the first support part 4A is often protruding from other support parts, the reduction in speed here can also reduce the vibration and impact on the first support part 4A caused by the aluminum alloy plate directly touching the first support part 4A; as a preferred embodiment of this embodiment, when reducing the speed, it is set that the reduction range of the conveying speed of the upper conveyor B1 is greater than the reduction range of the conveying speed of the lower conveyor B2. On the one hand, since the aluminum alloy plate itself loses the position X1 due to Therefore, the possibility of interlayer sliding and bending of the support is higher than the possibility of interlayer sliding and bending of the aluminum alloy strip itself at the X2 position. On the other hand, since the first support part 4A is often presented in a relatively protruding position relative to the middle support part 4B during use, setting the reduction range of the conveying speed of the upper conveying device B1 to be greater than the reduction range of the conveying speed of the lower conveying device B2 will increase the length of the aluminum alloy strip between the X1 position and the X2 position, thereby conforming to the relatively protruding position presentation mode of the first support part 4A relative to the middle support part 4B, ensuring the quality and stability of the aluminum alloy strip itself during transmission;

[0054] 4) Defect detection is performed on the conveyed aluminum alloy strip L by the defect detection device of the lower conveying device B2 to provide detection data for subsequent comparison;

[0055] 5) Compare the defect detection result with the threshold range preset in the controller C: As a preferred embodiment of the present invention, different reference models may be preset in the controller C according to different types of aluminum alloy strips to be conveyed. When conveying aluminum alloy strips of different types, the auxiliary support device is adjusted in advance according to the corresponding preset reference model before step 1), and then the adjustment of the auxiliary support device in the preset reference model is adaptively corrected in the later stage in steps 1)-2), so as to further improve the accuracy, matching degree and stability of the auxiliary support effect;

[0056] 5.1) When the defect detection result is within the preset threshold range, the conveying speeds of the upper conveyor B1 and the lower conveyor B2 are increased to normal values;

[0057] 5.2) When the defect detection result exceeds the preset threshold range, the controller C adjusts the support part 4 accordingly: At this time, the over-limit condition includes the following situations:

[0058] 5.2.1) When the defect detection result of the upper defect position X1 exceeds the preset threshold range, and the defect detection result of the lower defect position X2 does not exceed the preset threshold range, the controller C only adjusts the first support part 4A: first control the ball joint structure 46 of the first support part 4A to adjust the telescopic angle of the first support part 4A, and then control the telescopic shaft 45 of the first support part 4A to extend relative to the support cylinder 43; in this embodiment, the ball joint structure 46 of the first support part 4A is preferentially controlled in the counterclockwise direction to adjust the telescopic angle of the first support part 4A, and then control the telescopic shaft 45 of the first support part 4A to extend relative to the support cylinder 43 to drive the support block 47 of the first support part 4A to extend forward to approach and press against the aluminum alloy strip L, so as to maximize the angle Y1 of the aluminum alloy strip at the X1 position with the optimal adjustment efficiency, and further reduce the possibility of interlayer sliding and bending of the aluminum alloy strip;

[0059] 5.2.2) When the defect detection result of the upper defect position X1 does not exceed the preset threshold range, and the defect detection result of the lower defect position X2 exceeds the preset threshold range, the controller C only adjusts the second support part 4C: firstly, the ball joint structure 46 of the second support part 4C is controlled to adjust the telescopic angle of the second support part 4C, and then the telescopic shaft 45 of the second support part 4C is controlled to retract relative to the support cylinder 43; in this embodiment, the ball joint structure 46 of the second support part 4C is preferentially controlled in the clockwise direction to adjust the telescopic angle of the second support part 4C, and then the telescopic shaft 45 of the second support part 4C is controlled to retract relative to the support cylinder 43 to drive the support block 47 of the second support part 4C to retreat to reduce the forward resistance to the aluminum alloy strip L, thereby increasing the angle Y2 of the aluminum alloy strip at the X2 position as much as possible with the optimal adjustment efficiency, and further reducing the possibility of interlayer sliding and bending of the aluminum alloy strip;

[0060] 5.2.3) When the defect detection result of the upper defect position X1 and the defect detection result of the lower defect position X2 both exceed the preset threshold range, the controller C simultaneously adjusts the first support part 4A, the second support part 4C and the middle support part 4B: firstly controls the ball joint structure 46 to adjust the telescopic angles of the first support part 4A, the second support part 4C and the middle support part 4B, and then controls the telescopic shaft 45 to perform a corresponding telescopic movement relative to the support cylinder body 43; at this time, the controller controls the ball joint structure 46 of the first support part 4A in the counterclockwise direction to adjust the telescopic angle of the first support part 4A, and controls the ball joint structure 46 of the second support part 4C in the clockwise direction to adjust the telescopic angle of the first support part 4A. The ball joint structure 46 of the support part 4C is used to adjust the telescopic angle of the second support part 4C, and then the telescopic shaft 45 of the first support part 4A is controlled to extend relative to the support cylinder 43 to drive the support block 47 of the first support part 4A to extend forward to approach and press forward against the aluminum alloy strip L, and the telescopic shaft 45 of the second support part 4C is controlled to retract relative to the support cylinder 43 to drive the support block 47 of the second support part 4C to retreat to reduce the forward pressure on the aluminum alloy strip L, thereby increasing the angle Y1 of the aluminum alloy strip at the X1 position as much as possible with the optimal adjustment efficiency, and further reducing the possibility of interlayer sliding and bending of the aluminum alloy strip;

[0061] When the defect detection result is within the preset threshold range, the conveying speeds of the upper conveyor B1 and the lower conveyor B2 are increased to normal values.

[0062] Since the possibility of interlayer sliding and bending of the aluminum alloy strip itself at the X1 position due to loss of support is higher than the possibility of interlayer sliding and bending of the aluminum alloy strip itself at the X2 position, it is preferred that in 5.2.3), the adjustment priority of the first support part 4A is higher than the adjustment priority of the second support part 4C, and the adjustment amplitude of the first support part 4A is also greater than the adjustment amplitude of the second support part 4C.

[0063] Since the regulating function of the middle support portion 4B is not obvious relative to the first support portion 4A and the second support portion 4C, it is preferred that in 5.2.1), the controller C may also include auxiliary regulation of the middle support portion 4B, and only adjust the middle support portion 4B close to the first support portion 4A, so as to further improve the regulating accuracy and regulating efficiency; similarly, in 5.2.2), the controller C may also include auxiliary regulation of the middle support portion 4B, and only adjust the middle support portion 4B close to the second support portion 4C, so as to further improve the regulating accuracy and regulating efficiency.

[0064] As a preferred embodiment of the present invention, when the detection result of the quality detection device or the thickness detection device of the upper conveying device B1 changes, the control adjustment priority of the controller C to the several support parts 4 satisfies: the first support part 4A> the second support part 4C> the middle support part 4B; this is because the possibility of interlayer sliding and bending of the aluminum alloy strip itself at the X1 position due to the loss of support is higher than the possibility of interlayer sliding and bending of the aluminum alloy strip itself at the X2 position, so the adjustment support function of the first support part 4A is particularly effective in preventing the aluminum alloy strip from interlayer sliding and bending, and the function of the middle support part 4B is to provide auxiliary support to the first support part 4A and the second support part 4C on both sides on the basis of the supporting function of the connecting plate in the prior art, so the function of preventing the aluminum alloy strip from interlayer sliding and bending is the least obvious. And the control adjustment priority of the controller C to each support part 4 satisfies: the adjustment of the telescopic angle takes precedence over the adjustment of the telescopic stroke, so as to further reduce the possibility of interlayer sliding and bending of the aluminum alloy strip with the optimal adjustment efficiency.

[0065] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A control method for an auxiliary support device for an aluminum alloy plate strip, the auxiliary support device comprising a bottom plate and a support plate located on the top of the bottom plate, the front end of the support plate is hinged to the front end of the bottom plate, the rear end of the bottom plate is provided with a lifting device, the rear end of the support plate is hinged to the top of the lifting device; characterized in that: A plurality of support parts are fixed on the top of the support plate, the support parts include a first support part located at the top, a second support part located at the bottom, and a plurality of intermediate support parts located between the first support part and the second support part, the support parts are connected to the controller, the controller is connected to the detection device signal on the transmission device, and controls the corresponding support part to perform corresponding actions according to the detection result transmitted by the detection device; The support part includes a support base plate fixed to the top of the support plate, a support base is fixed on the top of the support base plate, a support cylinder and a support power source are fixed on the top of the support base, a telescopic shaft is arranged inside the support cylinder and can move telescopically relative to the support cylinder under the drive of the support power source, and the top of the telescopic shaft is connected to the support block through a ball joint structure with an internal locking device; The control method of the aluminum alloy strip auxiliary support device comprises the following steps: 1) Adjust the lifting device according to the height difference between the upper conveyor and the lower conveyor so that the plane where the support plate is located matches the shape of the aluminum alloy strip between the upper conveyor and the lower conveyor; 2) Determine the number of intermediate support parts according to the support requirements, determine the installation positions on the support plate, and fix and install the first support part, the plurality of intermediate support parts, and the second support part; 3) Reduce the conveying speed of the upper conveyor and the lower conveyor; 4) Defect detection of the conveyed aluminum alloy strip is performed through the defect detection device of the lower conveying device; 5) Compare the defect detection results with the threshold range preset inside the controller: 5.1) When the defect detection result is within the preset threshold range, increase the conveying speed of the upper conveyor and the lower conveyor to the normal value; 5.2) When the defect detection result exceeds the preset threshold range, the controller adjusts the support part accordingly: 5.2.1) When the defect detection result of the upper defect position exceeds the preset threshold range, and the defect detection result of the lower defect position does not exceed the preset threshold range, the controller only adjusts the first support part: firstly controls the ball joint structure of the first support part to adjust the telescopic angle of the first support part, and then controls the telescopic shaft of the first support part to extend relative to the support cylinder body; 5.2.2) When the defect detection result of the upper defect position does not exceed the preset threshold range, and the defect detection result of the lower defect position exceeds the preset threshold range, the controller only adjusts the second support part: firstly controls the ball joint structure of the second support part to adjust the telescopic angle of the second support part, and then controls the telescopic shaft of the second support part to retract relative to the support cylinder body; 5.2.3) When the defect detection results of the upper defect position and the defect detection results of the lower defect position are both beyond the preset threshold range, the controller simultaneously adjusts the first support part, the second support part and the middle support part: firstly controls the ball joint structure to adjust the telescopic angle, and then controls the telescopic shaft to telescopically move relative to the support cylinder to adjust the telescopic stroke; When the defect detection result is within a preset threshold range, the conveying speeds of the upper conveying device and the lower conveying device are increased to normal values.

2. The control method of the auxiliary support device for aluminum alloy strip according to claim 1, characterized in that: The bottom plate comprises a bottom plate body, a weight-reducing groove is provided inside the bottom plate body, a bottom plate hinge part is arranged at the front end of the bottom plate body, and a lifting device is connected to the rear end of the bottom plate body.

3. The control method of the auxiliary support device for aluminum alloy strip according to claim 2 is characterized in that: The support plate comprises a support plate body, a plurality of fixing holes are evenly opened inside the support plate body, and the support part is fixedly connected to the support plate body through a fixing piece.

4. The control method of the auxiliary support device for aluminum alloy strip according to claim 3 is characterized in that: A front hinge part of the support plate is arranged at the front end of the support plate body, and the front axle passes through the bottom plate hinge part and the front hinge part of the support plate to realize the hinge connection between the bottom plate and the support plate; a lifting hinge part is connected to the top of the lifting device, and a rear hinge part of the support plate is arranged at the rear end of the support plate, and the rear axle passes through the lifting hinge part and the rear hinge part of the support plate to realize the hinge connection between the lifting device and the support plate.

5. The control method of the auxiliary support device for aluminum alloy strip according to claim 4 is characterized in that: The lifting device includes a lifting base plate fixed to the top of the base plate, a lifting cylinder and a lifting power source are fixed on the top of the lifting base plate, a lifting shaft is arranged inside the lifting cylinder and can move up and down relative to the lifting cylinder when driven by the lifting power source, and the top of the lifting shaft is fixedly connected to the lifting hinge.

6. The control method of the auxiliary support device for aluminum alloy strip according to claim 1, characterized in that: The outer wall surface of the support block of the first support part is in an outward convex curve shape, the outer wall surface of the support block of the second support part is in an inward concave curve shape, and the outer wall surface of the support block of the middle support part is in a smooth straight line shape.

7. The control method of the auxiliary support device for aluminum alloy strip according to claim 1, characterized in that: The detection device on the conveying device includes a quality detection device or a thickness detection device arranged on the upper conveying device, and a defect detection device arranged on the lower conveying device.

8. The control method of the auxiliary support device for aluminum alloy strip according to claim 1, characterized in that: When the detection result of the quality detection device or the thickness detection device of the upper conveying device changes, the control adjustment priority of the controller for the several support parts satisfies: the first support part > the second support part > the middle support part; and the control adjustment priority of the controller for each support part satisfies: the telescopic angle adjustment takes precedence over the telescopic stroke adjustment.

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