A steel strip bending device

Abstract

This application discloses a steel strip bending device, relating to the field of machining technology. The steel strip bending device includes a feeding mechanism, a bending mechanism, and a positioning mechanism. The feeding mechanism includes a first pressure roller assembly and a drive roller assembly. The first pressure roller assembly presses the steel strip onto the drive roller assembly, which in turn drives the steel strip to move in a second direction. The bending mechanism includes a second pressure roller assembly and a bending assembly. The second pressure roller assembly presses the steel strip, and the bending assembly bends the steel strip. The positioning mechanism includes a first positioning assembly and a second positioning assembly. The first positioning assembly includes a first positioning plate, and the second positioning assembly includes a second positioning plate and a control switch. When the steel strip contacts the first positioning plate, the bending assembly performs a first bend on the steel strip. When the steel strip contacts the control switch, the bending assembly performs a second bend on the steel strip. The steel strip bending device provided in this application utilizes the bending mechanism for two bends, improving the utilization rate of the bending mechanism and reducing costs.

Description

Technical Field

[0001] This application relates to the field of machining technology, and in particular to a steel strip bending device. Background Technology

[0002] Currently, manual bending of steel strips is time-consuming and labor-intensive. It is necessary to replace manual bending with mechanical bending to improve production efficiency.

[0003] The bending devices in related technologies lack a stable conveying structure to drive the steel belt forward, thus reducing bending efficiency; the lack of a steel belt clamping structure causes the steel belt position to be unstable during bending, resulting in the steel belt bending shape failing to meet the preset requirements; and the lack of a steel belt positioning structure leads to low bending position accuracy and easy damage to the steel belt during bending, causing irregular deformation and a high rate of defective products.

[0004] In addition, the double-bending device in the related technology has two bending structures and two positioning structures, which makes the device larger and more expensive. Summary of the Invention

[0005] In view of this, the purpose of this application is to overcome the shortcomings of the prior art. This application provides a steel strip bending device to solve the technical problems of low efficiency and poor bending accuracy of the steel strip bending device in the prior art.

[0006] This application provides:

[0007] A steel strip bending device, comprising:

[0008] The feeding mechanism includes a first pressure roller assembly and a drive roller assembly. The first pressure roller assembly and the drive roller assembly are arranged at intervals relative to each other along a first direction. The first pressure roller assembly is used to press the steel strip onto the drive roller assembly, and the drive roller assembly is used to drive the steel strip to move along a second direction. The first direction is perpendicular to the second direction.

[0009] A bending mechanism is provided at the discharge end of the feeding mechanism, including a second pressure roller assembly and a bending assembly. The second pressure roller assembly is provided close to the feeding mechanism, and the bending assembly is provided at the discharge end of the second pressure roller assembly. The second pressure roller assembly is used to press the steel strip, and the bending assembly is used to bend the steel strip.

[0010] A positioning mechanism, disposed at the discharge end of the bending mechanism, includes a first positioning component and a second positioning component. The second positioning component and the first positioning component are distributed along the first direction. The first positioning component includes a first positioning plate, and the second positioning component includes a second positioning plate and a control switch. The control switch is disposed on the side of the second positioning plate near the bending mechanism. The control switch is connected to the bending component. When the steel strip contacts the first positioning plate, the bending component performs a first bend on the steel strip. After the first bend is completed, the active roller assembly drives the steel strip to move along the second direction. When the steel strip contacts the control switch, the bending component performs a second bend on the steel strip.

[0011] In addition, the steel strip bending device according to this application may also have the following additional technical features:

[0012] In some embodiments of this application, the first positioning component further includes a third cylinder and a connecting plate, wherein the connecting plate is connected to the output end of the third cylinder;

[0013] The first positioning plate is movably mounted on the connecting plate, and the first positioning plate moves along the second direction;

[0014] The third cylinder drives the connecting plate to move along the first direction, thereby causing the first positioning plate to move along the first direction.

[0015] In some embodiments of this application, the second positioning component further includes an adjusting member, the second positioning plate is connected to the adjusting member, and the adjusting member is used to drive the second positioning plate to move along the second direction.

[0016] In some embodiments of this application, the first pressure roller assembly includes a first fixed frame, a first pressure roller, and a first cylinder, wherein the first cylinder is fixed on the first fixed frame, and the first pressure roller is connected to the output end of the first cylinder.

[0017] In some embodiments of this application, the active roller assembly includes a first active roller and a first motor, wherein the first active roller and the first pressure roller are arranged at a distance from each other along the first direction;

[0018] The first cylinder drives the first pressure roller to move toward or away from the first drive roller to press or release the steel strip, and the first motor drives the first drive roller to rotate so that the steel strip moves along the second direction.

[0019] In some embodiments of this application, the second pressure roller assembly includes a second fixed frame, a second motor, a second drive roller, a second pressure roller, and a second cylinder. The second cylinder is fixed on the second fixed frame. The second pressure roller and the second drive roller are arranged at intervals relative to each other along the first direction. The second pressure roller is connected to the output end of the second cylinder, and the second drive roller is connected to the output end of the second motor.

[0020] The second cylinder drives the second pressure roller to move toward or away from the second drive roller to press or release the steel strip, and the second motor drives the second drive roller to rotate so that the steel strip moves along the second direction.

[0021] In some embodiments of this application, the bending assembly includes a first bending roller, a second bending roller, and a third motor. The third motor is fixed on the second fixed frame. The first bending roller is connected to the output end of the second cylinder, and the second bending roller is connected to the output end of the third motor.

[0022] The third motor drives the second bending roller to move toward or away from the first bending roller to bend the steel strip.

[0023] In some embodiments of this application, the control switch is electrically connected to the third motor.

[0024] In some embodiments of this application, the steel strip bending device further includes a conveying mechanism, which is disposed between the feeding mechanism and the bending mechanism, and includes multiple sets of guide components, which are spaced apart along the second direction.

[0025] In some embodiments of this application, the conveying mechanism further includes a third fixed frame, a guide plate, a first limiting plate, and a second limiting plate. The guide assembly, the guide plate, the first limiting plate, and the second limiting plate are all disposed on the third fixed frame. The guide plate is disposed along the second direction. The first limiting plate and the second limiting plate are respectively disposed on both sides of the guide plate and close to the feeding mechanism. Each set of guide assemblies includes two rollers. The two rollers are respectively disposed on both sides of the guide plate, and the distance between the two rollers is adjustable.

[0026] Compared to existing technologies, the advantages of this application are as follows: This application proposes a steel strip bending device. By setting the feeding mechanism for conveying the steel strip, the bending efficiency is improved; by setting the second pressure roller assembly for pressing the steel strip, the steel strip is ensured not to move during the bending process; and a positioning mechanism is also set to determine the bending position of the steel strip, ultimately improving the bending effect and accuracy. Furthermore, the positioning mechanism of this application integrates the first and second positioning components, making the structure of the steel strip bending device more compact. Simultaneously, this application utilizes only one bending mechanism for two bending operations, allowing a long strip of steel strip to form a rectangular frame through two bending actions. The structural design is concise and ingenious, improving the utilization rate of the bending mechanism and reducing costs. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 The following are schematic diagrams of the steel strip bending device and mounting base in some embodiments of this application;

[0029] Figure 2 The following are schematic diagrams of the feeding mechanism in some embodiments of this application;

[0030] Figure 3 The following are schematic diagrams of the conveying mechanism in some embodiments of this application;

[0031] Figure 4 This application shows one of the structural schematic diagrams of the bending mechanism in some embodiments;

[0032] Figure 5 This is shown as a second schematic diagram of the bending mechanism in some embodiments of this application;

[0033] Figure 6 A schematic diagram of the positioning mechanism in some embodiments of this application is shown.

[0034] Key component symbols: 100 - Steel strip bending device; 110 - Feeding mechanism; 111 - First pressure roller assembly; 112 - Driven roller assembly; 1111 - First fixed frame; 11111 - First slide rail; 11112 - First slider; 1112 - First pressure roller; 1113 - First cylinder; 1121 - First drive roller; 1114 - Driven roller; 1122 - First motor; 120 - Bending mechanism; 121 - Second pressure roller assembly; 122 - Bending assembly; 1211 - Second fixed frame; 12111 - Second slide rail; 12112 - Second slider; 12113 - Through hole; 1212 - Second motor; 1213 - Second drive roller; 1214 - Second pressure roller; 1215 - Second cylinder; 1221 - First... 1222-Second bending roller; 12221-Rotating roller; 12222-Bending plate; 1223-Third motor; 130-Positioning mechanism; 131-First positioning component; 1311-First positioning plate; 13111-First part; 13112-Second part; 13113-Oval hole; 13114-Limiting pin; 132-Second positioning component; 1321-Second positioning plate; 1322-Control switch; 1312-Third cylinder; 1313-Connecting plate; 1323-Adjusting component; 140-Transfer mechanism; 141-Guide component; 1411-Roller; 142-Third fixing frame; 143-Guide plate; 144-First limiting plate; 145-Second limiting plate; 200-Mounting base. Detailed Implementation

[0035] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0036] In the description of this 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", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0038] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0039] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0040] like Figure 1 As shown, an embodiment of this application provides a steel strip bending device 100 for bending steel strips twice. The steel strip bending device 100 is fixed on a mounting base 200 and includes a feeding mechanism 110, a conveying mechanism 140, a bending mechanism 120, and a positioning mechanism 130.

[0041] It should be noted that the steel strip to be processed passes through the feeding mechanism 110, the conveying mechanism 140, and the bending mechanism 120 in sequence during its forward movement, and finally reaches the positioning mechanism 130 for bending. This forward direction is taken as the second direction, and the first direction is perpendicular to the second direction.

[0042] like Figure 2 As shown, the feeding mechanism 110 is located at the feeding end of the steel strip bending device 100 and is used to automatically convey the steel strip along the second direction to improve the working efficiency of the steel strip bending device 100.

[0043] The feeding mechanism 110 includes a first pressure roller assembly 111 and a drive roller assembly 112. The first pressure roller assembly 111 and the drive roller assembly 112 are arranged at intervals relative to each other along a first direction, so that the first pressure roller assembly 111 presses the steel strip onto the drive roller assembly 112.

[0044] Specifically, the first pressure roller assembly 111 includes a first fixed frame 1111, a first pressure roller 1112, and a first cylinder 1113. The first fixed frame 1111 is provided with a first slide rail 11111 and a first slider 11112, wherein the first slider 11112 is movably connected to the first slide rail 11111, and the first slide rail 11111 is arranged along a first direction.

[0045] The first cylinder 1113 is fixed on the first fixed frame 1111, the first slider 11112 is connected to the output end of the first cylinder 1113, and the first pressure roller 1112 is connected to the first slider 11112, so that the first pressure roller 1112 moves on the first slide rail 11112 along with the first slider 11112.

[0046] The drive roller assembly 112 is used to drive the steel strip to move along the second direction. Specifically, the drive roller assembly 112 includes a first drive roller 1121 and a first motor 1122, the first motor 1122 driving the first drive roller 1121 to rotate. A driven roller 1114 is also provided on the first fixed frame 1111, the driven roller 1114 is disposed at the discharge end of the first drive roller 1121 and the driven roller 1114 and the first drive roller 1121 are distributed along the second direction.

[0047] Furthermore, in this embodiment, there are two first pressure rollers 1112, which are spaced apart along the second direction. One of the first pressure rollers 1112 is spaced apart from the first driving roller 1121 along the first direction, and the other first pressure roller 1112 is spaced apart from the driven roller 1114 along the first direction.

[0048] The first cylinder 1113 drives the two first pressure rollers 1112 to move closer to or further away from the first drive roller 1121 to press or release the steel strip. When the steel strip is pressed tightly onto the first drive roller 1121 by the first pressure rollers 1112, it ensures that the steel strip will not move arbitrarily, thus improving the accuracy of subsequent bending operations.

[0049] The first motor 1122 drives the first active roller 1121 to rotate so that the steel strip is automatically conveyed along the second direction, thereby improving the working efficiency of the steel strip bending device 100.

[0050] It is understood that in other embodiments, the number of the combination structures of the first pressure roller 1112 and the driven roller 1114 can be set to more groups according to actual needs, so that the steel belt will not move randomly during the feeding process and the steel belt conveying process is more stable.

[0051] like Figure 3 As shown, the conveying mechanism 140 is located between the feeding mechanism 110 and the bending mechanism 120.

[0052] The conveying mechanism 140 also includes a third fixed frame 142, multiple sets of guide components 141, a guide plate 143, a first limiting plate 144, and a second limiting plate 145.

[0053] The guide assembly 141, guide plate 143, first limiting plate 144 and second limiting plate 145 are all mounted on the third fixed frame 142. The guide plate 143 is arranged along the second direction. The first limiting plate 144 and the second limiting plate 145 are respectively arranged on both sides of the guide plate 143 and close to the feeding mechanism 110 to limit and guide the steel strip.

[0054] Multiple sets of guide components 141 are spaced apart along the second direction. Each set of guide components 141 includes two rollers 1411, which are respectively disposed on both sides of the guide plate 143. This structure further limits the movement of the steel strip, thereby improving the accuracy of subsequent bending processes.

[0055] Furthermore, the spacing between the two rollers 1411 is adjustable, thereby enabling the limiting and guiding of steel strips of different widths.

[0056] like Figure 4 and Figure 5 As shown, the bending mechanism 120 is located at the discharge end of the conveying mechanism 140, and includes a second pressure roller assembly 121 and a bending assembly 122. The second pressure roller assembly 121 is used to press the steel strip, and the bending assembly 122 is used to bend the steel strip.

[0057] The second pressure roller assembly 121 is located near the feeding mechanism 110. Specifically, the second pressure roller assembly 121 includes a second fixed frame 1211, a second motor 1212, a second drive roller 1213, a second pressure roller 1214, and a second cylinder 1215. The second cylinder 1215 is fixed on the second fixed frame 1211. The second fixed frame 1211 has a through hole 12113. The second fixed frame 1211 is provided with a second slide rail 12111 and a second slider 12112. The second slide rail 12111 is located on the side of the second fixed frame 1211 away from the steel strip, and the second slider 12112 is movably mounted on the second slide rail 12111.

[0058] The second slider 12112 is located inside the through hole 12113. One end of the second slider 12112 is located on the side of the second fixed frame 1211 away from the steel strip and is connected to the second slide rail 12111. The other end is located on the side of the second fixed frame 1211 close to the steel strip and is connected to the output end of the second cylinder 1215, so that the second cylinder 1215 drives the second slider 12112 to move on the second slide rail 12111.

[0059] The second motor 1212 is located on the side of the second fixed frame 1211 away from the steel belt, while the second drive roller 1213 and the second pressure roller 1214 are located on the side of the second fixed frame 1211 closer to the steel belt. Specifically, the second pressure roller 1214 is connected to the second slider 12112, allowing the second pressure roller 1214 to move along the second slide rail 12111 with the second slider 12112.

[0060] The second drive roller 1213 is connected to the output end of the second motor 1212, and the second pressure roller 1214 and the second drive roller 1213 are arranged at intervals relative to each other along the first direction.

[0061] The second cylinder 1215 drives the second pressure roller 1214 to move closer to or further away from the second drive roller 1213 to press or release the steel strip. Before the bending assembly 122 performs the bending operation on the steel strip, the second pressure roller 1214 presses the steel strip onto the second drive roller 1213, which can further maintain the stability of the steel strip during the bending operation and improve the accuracy of the bending operation.

[0062] After the bending assembly 122 completes the bending operation, the second pressure roller 1214 continues to press the steel strip, and the second motor 1212 drives the second drive roller 1213 to rotate so that the steel strip moves along the second direction. The second drive roller 1213 drives the steel strip to be automatically conveyed along the second direction, thereby improving work efficiency.

[0063] The bending assembly 122 is located at the discharge end of the second pressure roller assembly 121. Specifically, the bending assembly 122 includes a first bending roller 1221, a second bending roller 1222, and a third motor 1223. The third motor 1223 is fixed on the side of the second fixed frame 1211 away from the steel strip, and the first bending roller 1221 and the second bending roller 1222 are located on the side of the second fixed frame 1211 close to the steel strip.

[0064] The first bending roller 1221 is connected to the second slider 12112, thereby allowing the first bending roller 1221 to move along the first direction.

[0065] The second bending roller 1222 is connected to the output end of the third motor 1223. The third motor 1223 drives the second bending roller 1222 to move closer to or further away from the first bending roller 1221 to bend the steel strip.

[0066] Furthermore, the second bending roller 1222 includes a rotating roller 12221 and a bending plate 12222, with the rotating roller 12221 connected to the bending plate 12222. The rotating roller 12221 and the first bending roller 1221 are arranged at intervals relative to each other along a first direction.

[0067] When the steel strip is pressed against the second drive roller 1213 by the second pressure roller 1214, the steel strip is clamped between the first bending roller 1221 and the rotating roller 12221, which further ensures the stability of the steel strip during the bending process.

[0068] During the bending operation, the third motor 1223 drives the rotating roller 12221 to rotate, and at the same time, it drives the end of the bending plate 12222 to rotate towards the steel strip, thereby bending the steel strip. Furthermore, the bending radius of the steel strip can be adjusted by changing the rotation radius of the end of the bending plate 12222.

[0069] like Figure 6 As shown, the positioning mechanism 130 is disposed at the discharge end of the bending mechanism 120, and includes a first positioning component 131 and a second positioning component 132, which are distributed along a first direction. The first positioning component 131 is closer to the steel strip, and the second positioning component 132 is farther from the steel strip.

[0070] The first positioning component 131 includes a first positioning plate 1311, a third cylinder 1312, and a connecting plate 1313. Specifically, the third cylinder 1312 is fixed on the mounting base 200. More specifically, the mounting base 200 has a groove corresponding to the position of the third cylinder 1312, and the third cylinder 1312 is disposed in the groove.

[0071] The first positioning plate 1311 is movably mounted on the connecting plate 1313 and moves along the second direction. Specifically, the first positioning plate 1311 has a first portion 13111 arranged along the first direction and a second portion 13112 arranged along the second direction. The first portion 13111 faces the steel strip, and the second portion 13112 is provided with a waist-shaped hole 13113 and a limiting pin 13114 that mates with the waist-shaped hole 13113.

[0072] Release the limit pin 13114 so that the first part 13111 can move along the second direction, thereby changing the position of the first part 13111, and thus adjusting the length of the steel belt conveyor before the first bending operation and the position of the first bending.

[0073] The connecting plate 1313 is connected to the output end of the third cylinder 1312. The third cylinder 1312 drives the connecting plate 1313 to move along the first direction, thereby driving the first positioning plate 1311 to move along the first direction.

[0074] The second positioning assembly 132 includes a second positioning plate 1321, a control switch 1322, and an adjusting member 1323. The control switch 1322 is located on the side of the second positioning plate 1321 near the bending mechanism 120. The second positioning plate 1321 is connected to the adjusting member 1323, which is used to drive the second positioning plate 1321 to move along a second direction, thereby changing the position of the control switch 1322 and adjusting the length of the steel strip conveyed before the second bending operation and the position of the second bending.

[0075] The control switch 1322 is connected to the bending assembly 122, and furthermore, the control switch 1322 is electrically connected to the third motor 1223.

[0076] The working process of the steel strip bending device 100 is as follows:

[0077] The first motor 1122 drives the first active roller 1121 to rotate, while the second motor 1212 drives the second active roller 1213 to rotate, so that the steel strip is fed along the second direction. The top of the steel strip passes through the feeding mechanism 110, the conveying mechanism 140, and the bending mechanism 120 in sequence before reaching the positioning mechanism 130.

[0078] When the top of the steel strip contacts the first positioning plate 1311, the first motor 1122 and the second motor 1212 stop rotating, and the steel strip stops moving forward. The first cylinder 1113 drives the first pressure roller 1112 to press the steel strip onto the first drive roller 1121, while the second cylinder 1215 drives the second pressure roller 1214 to press the steel strip onto the second drive roller 1213.

[0079] The third motor 1223 drives the end of the bending plate 12222 to rotate towards the first bending roller 1221 to perform the first bending of the steel strip. After the first bending is completed, the top of the steel strip is raised.

[0080] The first pressure roller 1112 continues to press the steel strip onto the first drive roller 1121, while the second pressure roller 1214 also continues to press the steel strip onto the second drive roller 1213. The first motor 1122 drives the first drive roller 1121 to rotate again, and at the same time, the second motor 1212 drives the second drive roller 1213 to rotate again, so that the steel strip is fed again in the second direction.

[0081] When the raised tip of the steel strip contacts the control switch 1322, the bending action of the steel strip when the tip of the steel strip contacts the first positioning plate 1311 is repeated, and the steel strip is bent a second time. After the two bending operations, the straight steel strip is bent into a rectangular frame.

[0082] It should be noted that by adjusting the positions of the first positioning plate 1311 and the second positioning plate 1321, the length of the steel strip conveyed before the two bending operations can be adjusted, and the long and short side dimensions of the rectangular frame can be further adjusted.

[0083] The steel strip bending device has a high degree of automation, making it easy and quick to operate and suitable for assembly line production. The two bending operations of the 100 steel strip bending device do not require manual intervention.

[0084] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0085] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A steel strip bending device, characterized in that, include: The feeding mechanism includes a first pressure roller assembly and a drive roller assembly. The first pressure roller assembly and the drive roller assembly are arranged at intervals relative to each other along a first direction. The first pressure roller assembly is used to press the steel strip onto the drive roller assembly, and the drive roller assembly is used to drive the steel strip to move along a second direction. The first direction is perpendicular to the second direction. A bending mechanism is provided at the discharge end of the feeding mechanism, including a second pressure roller assembly and a bending assembly. The second pressure roller assembly is provided close to the feeding mechanism, and the bending assembly is provided at the discharge end of the second pressure roller assembly. The second pressure roller assembly is used to press the steel strip, and the bending assembly is used to bend the steel strip. A positioning mechanism, disposed at the discharge end of the bending mechanism, includes a first positioning component and a second positioning component. The second positioning component and the first positioning component are distributed along the first direction. The first positioning component includes a first positioning plate, and the second positioning component includes a second positioning plate and a control switch. The control switch is disposed on the side of the second positioning plate near the bending mechanism. The control switch is connected to the bending component. When the steel strip contacts the first positioning plate, the bending component performs a first bend on the steel strip. After the first bend is completed, the active roller assembly drives the steel strip to move along the second direction. When the steel strip contacts the control switch, the bending component performs a second bend on the steel strip. The first positioning component also includes a third cylinder and a connecting plate. The connecting plate is connected to the output end of the third cylinder. The first positioning plate is movably mounted on the connecting plate, and the first positioning plate moves along the second direction; The third cylinder drives the connecting plate to move along the first direction, thereby causing the first positioning plate to move along the first direction; The second positioning component further includes an adjusting member, and the second positioning plate is connected to the adjusting member. The adjusting member is used to drive the second positioning plate to move along the second direction. The second pressure roller assembly includes a second fixed frame, a second motor, a second drive roller, a second pressure roller, and a second cylinder. The second cylinder is fixed on the second fixed frame. The second pressure roller and the second drive roller are arranged at intervals relative to each other along the first direction. The second pressure roller is connected to the output end of the second cylinder, and the second drive roller is connected to the output end of the second motor. The second cylinder drives the second pressure roller to move toward or away from the second drive roller to press or release the steel strip, and the second motor drives the second drive roller to rotate so that the steel strip moves along the second direction.

2. The steel strip bending device according to claim 1, characterized in that, The first pressure roller assembly includes a first fixed frame, a first pressure roller, and a first cylinder. The first cylinder is fixed on the first fixed frame, and the first pressure roller is connected to the output end of the first cylinder.

3. The steel strip bending device according to claim 2, characterized in that, The active roller assembly includes a first active roller and a first motor, wherein the first active roller and the first pressure roller are arranged at intervals relative to each other along the first direction; The first cylinder drives the first pressure roller to move toward or away from the first drive roller to press or release the steel strip, and the first motor drives the first drive roller to rotate so that the steel strip moves along the second direction.

4. The steel strip bending device according to claim 1, characterized in that, The bending assembly includes a first bending roller, a second bending roller, and a third motor. The third motor is fixed on the second fixed frame. The first bending roller is connected to the output end of the second cylinder, and the second bending roller is connected to the output end of the third motor. The third motor drives the second bending roller to move toward or away from the first bending roller to bend the steel strip.

5. The steel strip bending device according to claim 4, characterized in that, The control switch is electrically connected to the third motor.

6. The steel strip bending device according to claim 1, characterized in that, The steel strip bending device further includes a conveying mechanism, which is located between the feeding mechanism and the bending mechanism, and includes multiple sets of guiding components, which are spaced apart along the second direction.

7. The steel strip bending device according to claim 6, characterized in that, The conveying mechanism further includes a third fixed frame, a guide plate, a first limiting plate, and a second limiting plate. The guide assembly, the guide plate, the first limiting plate, and the second limiting plate are all disposed on the third fixed frame. The guide plate is disposed along the second direction. The first limiting plate and the second limiting plate are respectively disposed on both sides of the guide plate and close to the feeding mechanism. Each set of guide assemblies includes two rollers. The two rollers are respectively disposed on both sides of the guide plate, and the distance between the two rollers is adjustable.

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