A fully automatic cold roll forming production equipment and production method

Abstract

The present application relates to cold bending steel production technical field, disclose a kind of full-automatic cold bending forming production equipment and production method, the production equipment includes: forming roller assembly, multiple forming roller assembly is used to process round tube into square tube, one forming roller assembly is fixedly installed with hollow round wheel, the present application is added by gear and bar rack plate, so that roller no matter meets the protrusion or depression on square tube, either by profiled rack plate away from square tube when actively pushing moving plate away from square tube, either profiled rack plate moves to square tube, it will be driven by gear bar rack plate away from square tube, so as to be pushed by bar rack plate moving plate away from square tube, limit moving plate only moves in one direction, so by monitoring component setting a unified threshold to judge whether the displacement of moving plate is qualified, when displacement exceeds threshold, it can be considered that square tube exists protrusion or depression problem in the position, to simplify the judgment logic.

Description

Technical Field

[0001] This invention relates to the field of cold-formed steel production technology, specifically to a fully automated cold-formed production equipment and method. Background Technology

[0002] Fully automatic cold bending forming production equipment is a high-efficiency and precise metal processing equipment. It uses a continuous cold bending forming process to process metal sheets or strips into profiles of various cross-sectional shapes. For example, in the construction field, round steel pipes are processed into square steel pipes by roll forming. This not only improves the utilization rate and processing efficiency, but also enhances the structural stability of the product and meets specific application requirements.

[0003] In the cold bending forming process, the offset of the forming roller assembly during production can cause bulges or depressions on the outer wall of the square tube, thus affecting its shape accuracy and dimensional stability. Therefore, existing fully automatic cold bending forming production equipment is usually equipped with a straightening machine to perform subsequent straightening treatment on the square tube. However, to ensure the straightening effect and optimize the parameters of the automatic cold bending forming production equipment, the key is to accurately detect whether the shape of the formed square tube meets the standard and to identify the main cause of the problem.

[0004] Currently, the main method for inspecting the formed square tubes in automated cold bending forming production equipment is to install rollers at the bottom of the support. These rollers contact all four sides of the square tube. When the rollers encounter a protrusion, the moving plate rises; conversely, when they encounter a depression, the moving plate descends. By measuring the distance the moving plate rises and falls, the flatness of each side of the square tube can be determined. However, this method sets a baseline and two threshold lines above and below the baseline, i.e., "baseline + double threshold". During the inspection process, it is necessary not only to identify whether the moving plate rises or falls, but also to combine the specific displacement amplitude to judge the flatness of the square tube. This increases the complexity of the judgment logic, especially in rapid continuous inspection. Based on this, the present invention aims to provide a fully automated cold bending forming production equipment and method that uses a unified threshold to reflect the displacement of the moving plate, thereby simplifying the judgment logic for whether the produced formed square tubes are qualified.

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a fully automated cold bending forming production equipment and method to solve the technical problems in the prior art.

[0006] The objective of this invention can be achieved through the following technical solutions: A fully automated cold bending forming production equipment includes: The forming roller assembly includes multiple forming roller assemblies, one side of which is equipped with a straightener. These forming roller assemblies are used to process round tubes into square tubes. Hollow wheels are fixedly mounted on the forming roller assemblies corresponding to the straighteners. The square tubes pass through the hollow wheels and enter the straightener. Four support plates, driven by a drive assembly, are slidably mounted on the hollow wheels, with each support plate corresponding to one side of the square tube. Multiple equally spaced, linearly arranged detection components are mounted on the support plates. Each detection component includes a bracket, a moving plate, a shaped rack plate, a strip rack plate, gears, and monitoring components. The bracket is fixedly mounted on the support plate, and a fixing plate is fixedly mounted on it. The shaped rack plate and the strip rack plate are slidably mounted. Inside the bracket, and with both moving in opposite directions, a gear is installed rotating inside the bracket, positioned between the irregular rack plate and the strip rack plate, and meshing with both. The irregular rack plate is connected to the fixed plate via a second spring, and a roller is rotatably installed at its bottom. The roller contacts the side of the square tube facing the support plate. The moving plate is slidably installed on the bracket and is connected to the support plate via a first spring. The spring force of the first spring is less than that of the second spring. A monitoring component is fixedly installed on the support plate and is used to monitor the displacement of the moving plate. It is connected to the controller. When the displacement of the moving plate exceeds the threshold of the monitoring component, the surface of the corresponding roller on the square tube is determined to be unqualified. When the roller comes into contact with the flat part of the square tube, the first spring pushes the moving plate to come into contact with the fixed plate, and the tops of the irregular rack plate and the strip rack plate are close to the bottom of the moving plate; when the roller moves to the protruding part of the square tube, the irregular rack plate rises and pushes the moving plate away from the square tube; when the roller moves to the concave part of the square tube, the irregular rack plate descends and drives the strip rack plate to rise through the gears and push the moving plate away from the square tube.

[0007] As a further aspect of the present invention: the detection component further includes a first pressure sensor and a second pressure sensor, both of which are connected to the controller. The first pressure sensor is fixedly mounted on the irregularly shaped rack plate. When the irregularly shaped rack plate pushes the moving plate to move, the first pressure sensor abuts against the moving plate and responds. The second pressure sensor is fixedly mounted on the rack plate. When the rack plate pushes the moving plate to move, the second pressure sensor abuts against the moving plate and responds. When the monitoring component detects that the displacement of the moving plate exceeds a threshold, if the first pressure sensor responds, it is determined that the surface of the corresponding roller on the square tube is unqualified if it is convex; if the second pressure sensor responds, it is determined that the surface of the corresponding roller on the square tube is unqualified if it is concave.

[0008] As a further embodiment of the present invention: a limiting block is fixedly installed at the bottom of the bracket, the limiting block abuts against both ends of the irregularly shaped rack plate, and it limits the maximum displacement of the irregularly shaped rack plate so that the maximum displacement of the irregularly shaped rack plate is not greater than the maximum distance between the monitoring component and the moving plate.

[0009] As a further aspect of the present invention: two symmetrically arranged guide frames are fixedly installed on each bearing plate, and the two guide frames are slidably inserted into the hollow wheel.

[0010] As a further aspect of the present invention: when the irregularly shaped rack plate moves to the furthest point from the square tube, there is a gap between the rack plate and the surface of the square tube.

[0011] As a further aspect of the present invention: the driving component includes a reciprocating cylinder and a synchronization component. The reciprocating cylinder is fixedly mounted on a hollow wheel, and its movable end is fixedly connected to a support plate. When the reciprocating cylinder retracts, it drives the support plate to move away from the axis of the hollow wheel. The support plate drives other support plates to expand outward synchronously through the synchronization component.

[0012] As a further embodiment of the present invention: the synchronization component includes a ring, an inclined groove, a pulley, and a straight groove. The ring is rotatably installed inside a hollow wheel. Four straight grooves are opened on the hollow wheel, and each straight groove has a corresponding inclined groove. The inclined grooves are opened on the ring and are arranged at an angle. A pulley is slidably installed in each straight groove. One end of the pulley is fixedly connected to the bearing plate, and the other end is slidably connected to the inclined groove.

[0013] A fully automated cold bending forming production method, the method being applied to a fully automated cold bending forming production equipment as described above, the method comprising the following steps: Step S1: The round tube is processed into a square tube by multiple forming roller assemblies, and the four support plates are driven to expand outward by the drive assembly, so that the square tube passes between the four support plates; Step S2: Subsequently, the drive assembly drives the four support plates to retract, causing the rollers to abut against the outer wall of the square tube, causing the irregular rack plate to move and compress the second spring, which in turn drives the rack plate to move in the opposite direction through the gears, until both the irregular rack plate and the rack plate are far away from the moving plate. The first spring pushes the moving plate to abut against the fixed plate. At this time, the detection assembly is in its initial state. Step S3: Immediately afterwards, multiple forming roller assemblies continue to process round tubes and convey square tubes, at which time the rollers roll on the square tubes; Step S4: When the roller moves to the protrusion of the square tube, the irregular rack plate moves to push the moving plate away from the square tube. When the roller moves to the concave part of the square tube, the irregular rack plate moves to drive the rack plate through the gear to push the moving plate away from the square tube. When the displacement of the moving plate exceeds the threshold of the monitoring component, it is determined that the surface of the corresponding roller on the square tube is unqualified. Step S5: Based on the monitoring results of the monitoring components, the technicians adjust the components on the forming roller assembly and the components on the straightener.

[0014] The beneficial effects of this invention are: 1. In this invention, by adding gears and rack plates, the rollers can either actively push the moving plate away from the square tube when encountering a protrusion or a depression on the square tube, or push the moving plate away from the square tube when the rack plate moves towards the square tube, thereby driving the rack plate away from the square tube through the gears, and thus pushing the moving plate away from the square tube through the rack plate. This limits the moving plate to only move in one direction, but the magnitude of the displacement will be different. In this way, a uniform threshold is set by the monitoring component to determine whether the displacement of the moving plate is qualified. When the displacement exceeds the threshold, it can be considered that there is a protrusion or depression in the square tube at that position, thereby simplifying the judgment logic. 2. In this invention, when the monitoring component detects that the displacement of the moving plate exceeds the threshold, it means that there is a protrusion or depression on the square tube at the position corresponding to the roller. When the first pressure sensor responds, it means that the irregularly shaped rack plate pushes the moving plate to move. At this time, it can be determined that the protrusion on the surface of the square tube corresponding to the roller is unqualified. When the second pressure sensor responds, it means that the rack plate pushes the moving plate to move. Then it is determined that the depression on the surface of the square tube corresponding to the roller is unqualified. This avoids the problem of cumbersome judgment logic caused by the traditional detection process, which requires calculating the distance between the moving plate and the baseline and judging the specific condition of the square tube surface based on the positive or negative value of the distance. 3. In this invention, by setting the limiting block, the maximum displacement of the irregular rack plate can be limited, and the maximum displacement of the irregular rack plate is not greater than the maximum distance between the monitoring component and the moving plate. This avoids the situation where the irregular rack plate drives the moving plate to move towards the monitoring component, causing the moving plate to collide with the monitoring component. Attached Figure Description

[0015] The invention will now be further described with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the bearing plate in this invention; Figure 3 This is a schematic diagram of the detection component in this invention; Figure 4 This is a schematic diagram of the support structure in this invention; Figure 5 This is a schematic diagram of the cross-sectional structure of the support in this invention; Figure 6 This is a schematic diagram of the top structure of the irregularly shaped toothed rack and the strip-shaped toothed rack in this invention. Figure 7 This is a schematic diagram of the structure in this invention where the irregularly shaped rack plate pushes the moving plate upward; Figure 8 This is a schematic diagram of the structure in this invention where the rack and pinion plate pushes the moving plate upward; Figure 9 This is a schematic diagram of the ring structure in this invention; Figure 10 This is a schematic diagram of the straight groove structure in this invention; Figure 11 This is a schematic diagram of the synchronous movement of four support plates in this invention.

[0017] In the diagram: 1. Forming roller assembly; 2. Round tube; 3. Square tube; 4. Hollow wheel; 5. Reciprocating cylinder; 6. Bearing plate; 601. Guide frame; 7. Detection assembly; 8. Support; 9. Moving plate; 10. First spring; 11. Irregularly shaped rack plate; 1101. First pressure sensor; 12. Roller; 13. Strip rack plate; 1301. Second pressure sensor; 14. Gear; 15. Fixing plate; 16. Second spring; 17. Limiting block; 18. Monitoring assembly; 19. Ring; 20. Inclined groove; 21. Pulley; 22. Straight groove. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figures 1-11 As shown, the present invention is a fully automatic cold bending forming production equipment, comprising: A forming roller assembly 1 is provided, and a straightener is provided on one side of multiple forming roller assemblies 1. The multiple forming roller assemblies 1 are used to process round tubes 2 into square tubes 3. A hollow wheel 4 is fixedly installed on the forming roller assembly 1 corresponding to the straightener. The square tube 3 passes through the hollow wheel 4 and enters the straightener. Four support plates 6 driven by a drive assembly are slidably arranged on the hollow wheel 4, and each support plate 6 corresponds to one side of the square tube 3. Multiple detection components 7 are arranged linearly at equal intervals on the support plate 6. The detection components 7 include a bracket 8, a moving plate 9, a special-shaped rack plate 11, a strip rack plate 13, a gear 14, and a monitoring component 18. The bracket 8 is fixedly installed on the support plate 6, and a fixing plate 15 is fixedly installed on it. The special-shaped rack plate 11 and the strip rack plate 13 are slidably installed inside the bracket 8. The two always move in opposite directions. Gear 14 is rotatably installed in bracket 8. It is located between the irregular rack plate 11 and the strip rack plate 13, and it meshes with both the irregular rack plate 11 and the strip rack plate 13. The irregular rack plate 11 is connected to the fixed plate 15 through the second spring 16, and a roller 12 is rotatably installed at its bottom. The roller 12 contacts the side of the square tube 3 facing the bearing plate 6. The moving plate 9 is slidably installed on bracket 8, and it is connected to the bearing plate 6 through the first spring 10. The elastic force of the first spring 10 is less than that of the second spring 16. The monitoring component 18 is fixedly installed on the bearing plate 6. It is used to monitor the displacement of the moving plate 9, and it is connected to the controller. When the displacement of the moving plate 9 exceeds the threshold of the monitoring component 18, it is determined that the surface of the square tube 3 corresponding to the roller 12 is unqualified. When the roller 12 abuts against the flat part of the square tube 3, the first spring 10 pushes the moving plate 9 to abut against the fixed plate 15, and the tops of the irregular rack plate 11 and the strip rack plate 13 are close to the bottom of the moving plate 9; when the roller 12 moves to the protruding part of the square tube 3, the irregular rack plate 11 rises and pushes the moving plate 9 away from the square tube 3; when the roller 12 moves to the recessed part of the square tube 3, the irregular rack plate 11 descends and drives the strip rack plate 13 to rise through the gear 14 and push the moving plate 9 away from the square tube 3.

[0020] In one embodiment, it should be noted that the forming roller assembly 1, monitoring assembly 18, straightener and controller described in this invention are all prior art. This invention does not improve them. Therefore, it is not necessary to disclose their specific mechanical structure and circuit structure, and this does not affect the integrity of this invention. The working principle of this invention: The processing of multiple forming roller assemblies 1 gradually transforms the round tube 2 into a square tube 3. After the square tube 3 exits from the outlet end of the last forming roller assembly 1, the following description will use... Figure 1The top surface of the square tube 3 is described from a basic perspective. The roller 12 abuts against the square tube 3. The irregularly shaped rack plate 11 rises and compresses the second spring 16, which drives the rack plate 13 to move in the opposite direction through the gear 14, until the tops of the irregularly shaped rack plate 11 and the rack plate 13 are close to the bottom of the moving plate 9. At this time, the first spring 10 pushes the moving plate 9 to abut against the fixed plate 15. At this time, the state of the entire detection assembly 7 is as follows. Figure 3 , Figure 5 and Figure 6 As shown, this is the state in which the roller 12 rolls on the flat surface of the square tube 3, and the position of the moving plate 9 remains unchanged in this state. As square tube 3 continues to be produced, roller 12 will roll on the surface of square tube 3, such as... Figure 7 As shown in the example, when the roller 12 moves to the protrusion of the square tube 3, the irregularly shaped rack plate 11 rises and pushes the moving plate 9 away from the square tube 3, as shown in the example. Figure 8 As shown in the example, when the roller 12 moves to the recessed part of the square tube 3, since the elastic force of the second spring 16 is greater than that of the first spring 10, the second spring 16 will push the irregular rack plate 11 down. The irregular rack plate 11 drives the rack plate 13 to rise through the gear 14, and the moving plate 9 moves away from the square tube 3. When the displacement of the moving plate 9 exceeds the threshold of the monitoring component 18, it is determined that the surface of the square tube 3 corresponding to the roller 12 is unqualified, and the controller immediately marks it. In this way, no matter whether the roller 12 encounters a protrusion or a recess on the square tube 3, the moving plate 9 will only move away from the square tube 3, but the magnitude of the displacement will be different. By using this method, only a uniform threshold can be set to determine whether the displacement of the moving plate 9 is qualified, thereby simplifying the judgment logic. Furthermore, each bearing plate 6 is equipped with multiple detection components 7, which can more accurately reflect which area on the square tube 3 has a problem. This allows technicians to directly adjust the corresponding module of the forming roller assembly 1 that is causing the problem, as well as adjust the straightening machine.

[0021] like Figures 3-8 As shown, in a preferred embodiment of the present invention, the detection component 7 further includes a first pressure sensor 1101 and a second pressure sensor 1301. Both the first pressure sensor 1101 and the second pressure sensor 1301 are connected to the controller. The first pressure sensor 1101 is fixedly installed on the irregularly shaped rack plate 11. When the irregularly shaped rack plate 11 pushes the moving plate 9 to move, the first pressure sensor 1101 abuts against the moving plate 9 and responds. The second pressure sensor 1301 is fixedly installed on the strip rack plate 13. When the strip rack plate 13 pushes the moving plate 9 to move, the second pressure sensor 1301 abuts against the moving plate 9 and responds.

[0022] In one embodiment of this invention, it should be noted that the first pressure sensor 1101 and the second pressure sensor 1301 described in this invention are both prior art. This invention does not improve upon them; therefore, it is not necessary to disclose their specific mechanical and circuit structures, and this does not affect the integrity of this invention. In practical application, when the monitoring component 18 detects that the displacement of the moving plate 9 exceeds the threshold, it means that there is a protrusion or depression at the position corresponding to the roller 12 on the square tube 3. When the first pressure sensor 1101 responds, it means that the irregular rack plate 11 pushes the moving plate 9 to move. At this time, it can be determined that the protrusion on the surface of the square tube 3 corresponding to the roller 12 is unqualified. When the second pressure sensor 1301 responds, it means that the rack plate 13 pushes the moving plate 9 to move. It is then determined that the depression on the surface of the square tube 3 corresponding to the roller 12 is unqualified. This avoids the problem of cumbersome judgment logic caused by the traditional detection process, which requires calculating the distance between the moving plate 9 and the baseline and judging the specific condition of the surface of the square tube 3 based on the positive or negative value of the distance.

[0023] like Figures 3-8 As shown, in a preferred embodiment of the present invention, a limiting block 17 is fixedly installed at the bottom of the bracket 8. The limiting block 17 abuts against both ends of the irregular rack plate 11 and limits the maximum displacement of the irregular rack plate 11, so that the maximum displacement of the irregular rack plate 11 is not greater than the maximum distance between the monitoring component 18 and the moving plate 9.

[0024] In practical application, the limiting block 17 in this embodiment can limit the maximum displacement of the irregular rack plate 11, and the maximum displacement of the irregular rack plate 11 is not greater than the maximum distance between the monitoring component 18 and the moving plate 9. This avoids the situation where the irregular rack plate 11 drives the moving plate 9 to move towards the monitoring component 18, causing the moving plate 9 to collide with the monitoring component 18.

[0025] like Figure 2 As shown, in a preferred embodiment of the present invention, two guide frames 601 are fixedly installed on each bearing plate 6, and the two guide frames 601 are slidably inserted into the hollow wheel 4.

[0026] In practical application, since the support plate 6 is suspended, the two guide frames 601 can guide the direction of the support plate 6 when it moves, ensuring that the support plate 6 moves perpendicular to the surface of the square tube 3 and avoiding deviation of the monitoring angle.

[0027] like Figures 3-8 As shown, in a preferred embodiment of the present invention, when the irregularly shaped rack plate 11 moves to the furthest distance from the square tube 3, there is a gap between the rack plate 13 and the surface of the square tube 3.

[0028] In practical application, when the irregularly shaped rack plate 11 moves to the closest distance to the monitoring component 18, it means that the irregularly shaped rack plate 11 drives the rack plate 13 to move the farthest in the opposite direction through the gear 14. At this time, there is a gap between the rack plate 13 and the surface of the square tube 3, which avoids the rack plate 13 from abutting against the surface of the square tube 3, ensuring that the rack plate 13 will not obstruct the movement of the square tube 3.

[0029] like Figures 3-11 As shown, in a preferred embodiment of the present invention, the driving component includes a reciprocating cylinder 5 and a synchronization component. The reciprocating cylinder 5 is fixedly mounted on the hollow wheel 4, and its movable end is fixedly connected to a support plate 6. When the reciprocating cylinder 5 retracts, it drives the support plate 6 to move away from the axis of the hollow wheel 4. The support plate 6 drives other support plates 6 to expand outward synchronously through the synchronization component.

[0030] In one aspect of this embodiment, it should be noted that the reciprocating cylinder 5 described in this invention is prior art, and this invention does not improve upon it. Therefore, it is not necessary to disclose its specific mechanical and circuit structures, and this does not affect the integrity of this invention.

[0031] In practical application, when the roller 12 is not in contact with the surface of the square tube 3, the elastic force of the second spring 16 will cause the roller 12 to move away from the moving plate 9. At this time, the reciprocating cylinder 5 retracts, driving the bearing plate 6 to move away from the axis of the hollow wheel 4. The synchronization component will cause the four bearing plates 6 to expand outward synchronously, allowing the square tube 3 to pass through the middle of the four bearing plates 6. Then, the reciprocating cylinder 5 extends to control the four bearing plates 6 to retract synchronously, and the roller 12 will then contact the surface of the square tube 3. At this time, the reciprocating cylinder 5 continues... Extend until the detection component 7 is in its initial state. This not only allows for proper control of the roller 12 contacting the square tube 3, but also enables the synchronous expansion and contraction of the four support plates 6 to accommodate square tubes of different sizes when the forming roller assembly 1 needs to be replaced to change the size of the produced square tube 3. It should be noted that when the four support plates 6 are expanded to accommodate larger square tubes 3, it is necessary to appropriately splice the extension plates and the equally spaced detection components 7 to both sides of the support plates 6 so that there are enough rollers 12 in contact on all four sides of the square tube 3.

[0032] like Figures 6-9As shown, in a preferred embodiment of the present invention, the synchronization component includes a ring 19, an inclined groove 20, a pulley 21, and a straight groove 22. The ring 19 is rotatably mounted inside a hollow wheel 4. Four straight grooves 22 are formed on the hollow wheel 4, and each straight groove 22 has a corresponding inclined groove 20. The inclined groove 20 is formed on the ring 19 and is arranged at an angle. A pulley 21 is slidably mounted in each straight groove 22. One end of the pulley 21 is fixedly connected to the bearing plate 6, and the other end is slidably connected to the inclined groove 20.

[0033] In practical applications, this embodiment, such as Figure 7 Taking the example shown, when the reciprocating cylinder 5 contracts, it will cause the support plate 6 to move upward. The pulley 21 on the support plate 6 will slide in the straight groove 22, and the support plate 6 will also slide in the inclined groove 20, thereby causing the ring 19 to rotate counterclockwise. The rotation of the ring 19 causes the pulleys 21 in other inclined grooves 20 to change position, and the change in position of other pulleys 21 in the inclined grooves 20 will also cause the corresponding support plate 6 to move accordingly, such as... Figures 7 to 9 As shown in the example, this synchronous control avoids the need to adjust the bearing plate 6 one by one so that each roller 12 abuts against the square tube 3, which would waste time and improve the convenience of device adjustment.

[0034] Please see Figures 1-9 As shown, the present invention is a fully automated cold bending forming production method. The method is applied to a fully automated cold bending forming production equipment as described in the above embodiments, and the method includes the following steps: Step S1: The round tube 2 is processed into a square tube 3 by multiple forming roller assemblies 1, and the four support plates 6 are driven to expand outward by the drive assembly, so that the square tube 3 passes between the four support plates 6. Step S2: Subsequently, the drive assembly drives the four support plates 6 to retract, causing the rollers 12 to abut against the outer wall of the square tube 3, causing the irregular rack plate 11 to move and compress the second spring 16, which in turn drives the rack plate 13 to move in the opposite direction through the gear 14, until both the irregular rack plate 11 and the rack plate 13 are far away from the moving plate 9, and the first spring 10 pushes the moving plate 9 to abut against the fixed plate 15. At this time, the detection assembly 7 is in the initial state. Step S3: Immediately afterwards, multiple forming roller assemblies 1 continue to process the round tube 2 and convey the square tube 3, at which time the roller 12 rolls on the square tube 3; Step S4: When the roller 12 moves to the protrusion of the square tube 3, the irregular rack plate 11 moves to push the moving plate 9 away from the square tube 3. When the roller 12 moves to the concave part of the square tube 3, the irregular rack plate 11 moves to drive the strip rack plate 13 through the gear 14 to push the moving plate 9 away from the square tube 3. When the displacement of the moving plate 9 exceeds the threshold of the monitoring component 18, it is determined that the surface of the square tube 3 corresponding to the roller 12 is unqualified. Step S5: Based on the monitoring results of the monitoring component 18, the technicians adjust the components on the forming roller assembly 1 and the components on the straightener.

[0035] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A fully automatic cold bending forming production equipment, characterized in that, include: A forming roller assembly (1) is provided on one side of multiple forming roller assemblies (1). Multiple forming roller assemblies (1) are used to process round tubes (2) into square tubes (3). Hollow round wheels (4) are fixedly installed on the forming roller assembly (1) corresponding to the straightener. The square tube (3) passes through the hollow round wheel (4) and enters the straightener. Four bearing plates (6) driven by the driving assembly are slidably arranged on the hollow round wheel (4). Each bearing plate (6) corresponds to one side of the square tube (3). Multiple detection components (7) are arranged linearly at equal intervals on the bearing plate (6). The detection components (7) include a bracket (8), a moving plate (9), a special-shaped rack plate (11), a strip rack plate (13), a gear (14), and a monitoring component (18). The bracket (8) is fixedly installed on the bearing plate (6), and a fixing plate (15) is fixedly installed on it. The special-shaped rack plate (11) and the strip rack plate (13) are slidably installed on the bracket (8). Inside the bracket (8), the gear (14) is rotatably mounted between the irregular rack plate (11) and the strip rack plate (13), and it meshes with both the irregular rack plate (11) and the strip rack plate (13). The irregular rack plate (11) is connected to the fixed plate (15) through the second spring (16), and a roller (12) is rotatably mounted on its bottom. The roller (12) contacts the side of the square tube (3) facing the bearing plate (6). The movable plate (9) is slidably mounted on the bracket (8) and is connected to the bearing plate (6) through the first spring (10). The elastic force of the first spring (10) is less than that of the second spring (16). The monitoring component (18) is fixedly mounted on the bearing plate (6) and is used to monitor the displacement of the movable plate (9). It is connected to the controller. When the displacement of the movable plate (9) exceeds the threshold of the monitoring component (18), it is determined that the surface of the corresponding roller (12) on the square tube (3) is unqualified. When the roller (12) abuts against the flat part of the square tube (3), the first spring (10) pushes the moving plate (9) to abut against the fixed plate (15), and the tops of the irregular rack plate (11) and the strip rack plate (13) are close to the bottom of the moving plate (9); when the roller (12) moves to the protrusion of the square tube (3), the irregular rack plate (11) rises and pushes the moving plate (9) away from the square tube (3); when the roller (12) moves to the concave part of the square tube (3), the irregular rack plate (11) descends and drives the strip rack plate (13) to rise through the gear (14) and push the moving plate (9) away from the square tube (3).

2. The fully automatic cold bending forming production equipment according to claim 1, characterized in that, The detection component (7) further includes a first pressure sensor (1101) and a second pressure sensor (1301). Both the first pressure sensor (1101) and the second pressure sensor (1301) are connected to the controller. The first pressure sensor (1101) is fixedly installed on the irregular rack plate (11). When the irregular rack plate (11) pushes the moving plate (9) to move, the first pressure sensor (1101) abuts against the moving plate (9) and responds. The second pressure sensor (1301) is fixedly installed on the controller. Mounted on a rack plate (13), when the rack plate (13) pushes the moving plate (9) to move, the second pressure sensor (1301) abuts against the moving plate (9) and responds. When the monitoring component (18) detects that the displacement of the moving plate (9) exceeds the threshold, when the first pressure sensor (1101) responds, it is determined that the surface of the corresponding roller (12) on the square tube (3) is unqualified if it is convex; when the second pressure sensor (1301) responds, it is determined that the surface of the corresponding roller (12) on the square tube (3) is unqualified if it is concave.

3. The fully automatic cold bending forming production equipment according to claim 1, characterized in that, The bracket (8) is fixedly installed with a limiting block (17) at the bottom. The limiting block (17) abuts against both ends of the irregular rack plate (11) and limits the maximum displacement of the irregular rack plate (11) so that the maximum displacement of the irregular rack plate (11) is not greater than the maximum distance between the monitoring component (18) and the moving plate (9).

4. The fully automatic cold bending forming production equipment according to claim 1, characterized in that, Two guide frames (601) are fixedly installed on each bearing plate (6) in a symmetrical arrangement. The two guide frames (601) are slidably inserted into the hollow wheel (4).

5. The fully automatic cold bending forming production equipment according to claim 1, characterized in that, When the irregular toothed plate (11) moves to the furthest distance from the square tube (3), there is a gap between the toothed plate (13) and the surface of the square tube (3).

6. The fully automatic cold bending forming production equipment according to claim 4, characterized in that, The drive assembly includes a reciprocating cylinder (5) and a synchronization assembly. The reciprocating cylinder (5) is fixedly installed on the hollow wheel (4), and its movable end is fixedly connected to a support plate (6). When the reciprocating cylinder (5) retracts, it drives the support plate (6) to move away from the axis of the hollow wheel (4). The support plate (6) drives other support plates (6) to expand outward synchronously through the synchronization assembly.

7. The fully automatic cold bending forming production equipment according to claim 6, characterized in that, The synchronization component includes a ring (19), a slanted groove (20), a pulley (21), and a straight groove (22). The ring (19) is rotatably installed inside a hollow wheel (4). Four straight grooves (22) are opened on the hollow wheel (4). Each straight groove (22) has a corresponding slanted groove (20). The slanted groove (20) is opened on the ring (19) and is arranged at an angle. A pulley (21) is slidably installed in each straight groove (22). One end of the pulley (21) is fixedly connected to the bearing plate (6), and the other end is slidably connected to the slanted groove (20).

8. A fully automated cold bending forming production method, characterized in that, The method is applied to a fully automatic cold bending forming production equipment as described in any one of claims 1-7, and the method includes the following steps: Step S1: The round tube (2) is processed into a square tube (3) through multiple forming roller assemblies (1), and the four support plates (6) are driven outward by the drive assembly so that the square tube (3) passes between the four support plates (6); Step S2: Subsequently, the drive assembly drives the four support plates (6) to retract, so that the roller (12) abuts against the outer wall of the square tube (3), causing the irregular rack plate (11) to move and compress the second spring (16), and it drives the rack plate (13) to move in the opposite direction through the gear (14) until the irregular rack plate (11) and the rack plate (13) are both far away from the moving plate (9), and the first spring (10) pushes the moving plate (9) to abut against the fixed plate (15). At this time, the detection assembly (7) is in the initial state. Step S3: Immediately afterwards, multiple forming roller assemblies (1) continue to process the round tube (2) and convey the square tube (3), at which time the roller (12) rolls on the square tube (3); Step S4: When the roller (12) moves to the protrusion of the square tube (3), the irregular rack plate (11) moves to push the moving plate (9) away from the square tube (3). When the roller (12) moves to the concave part of the square tube (3), the irregular rack plate (11) moves to drive the strip rack plate (13) through the gear (14) to push the moving plate (9) away from the square tube (3). When the displacement of the moving plate (9) exceeds the threshold of the monitoring component (18), it is determined that the surface of the corresponding roller (12) on the square tube (3) is unqualified. Step S5: Based on the monitoring results of the monitoring component (18), the technicians adjust the components on the forming roller assembly (1) and the components on the straightener.

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