Sheet guiding device and laser blanking line

Abstract

The utility model discloses a kind of plate guiding device and laser blanking line, belong to laser processing equipment field.Its technical scheme is, a kind of plate guiding device, including push assembly, push assembly includes two push units, the push direction of two push units is perpendicular to the conveying direction of plate, and two push units are respectively located at the both sides of the plate being conveyed, further including positioning detection component, along plate conveying direction, positioning detection component is located at the upstream of push assembly;The positioning detection component includes two positioning detection units, the positioning detection unit includes first linear drive, the moving end of first linear drive is equipped with range sensor, two positioning detection units are respectively located at the both sides of plate, and positioning detection component is electrically connected with push assembly.This scheme uses the mode of first detection positioning, plate can reach cutting equipment with accurate position, and the position accuracy when plate is cut is greatly improved by pre-positioning detection.

Description

Technical Field

[0001] This utility model relates to the field of laser processing equipment, and in particular to a sheet metal guiding device and a laser blanking line. Background Technology

[0002] Laser blanking lines are pre-production equipment for sheet metal and laser cutting processing. A laser blanking line generally includes a sizing machine and a cutting machine. The sheet metal is sizing by the sizing machine and then conveyed to the cutting machine to cut the sheet metal.

[0003] Between the sizing machine and the cutting machine, the conveying process of the sheet metal needs to ensure precise positioning to guarantee a rectangular structure after cutting. This necessitates a sheet metal guiding device between the sizing machine and the cutting machine to ensure stable conveying. In the prior art, patent CN213950094U discloses an automatic centering servo feeding device for conveyor belts, which includes a dynamic correction device and a dynamic detection device. When the conveyor belt passes the dynamic correction device and reaches the dynamic detection device, deviations may occur due to feeding errors or upstream process equipment. Upon passing the dynamic detection device, a displacement sensor is activated, causing a change in displacement and real-time control of the dynamic correction device, thus completing the automatic centering function.

[0004] However, the current solution is mainly used for dynamic conveying of sheet metal. Therefore, in this correction device, the detection component is set after the centering component. However, in the sheet metal feeding line, the sheet metal is fixed when the cutting machine cuts it, making it difficult to adjust the sheet metal posture. Utility Model Content

[0005] This invention addresses the problem that current sheet material centering and feeding devices are difficult to adapt to unloading lines by providing a sheet material guiding device.

[0006] To solve the above problems, the technical solution adopted by this utility model is a sheet material guiding device, including a pushing assembly, which includes two pushing units. The pushing direction of the two pushing units is perpendicular to the conveying direction of the sheet material, and the two pushing units are respectively located on both sides of the conveyed sheet material. It also includes a positioning detection assembly, located upstream of the pushing assembly along the conveying direction of the sheet material. The positioning detection assembly includes two positioning detection units, each including a first linear drive member. The moving end of the first linear drive member is equipped with a distance sensor, and the detection direction of the distance sensor is perpendicular to the conveying plane of the sheet material. The two positioning detection units are respectively located on both sides of the sheet material, and the moving direction of the first linear drive member is perpendicular to the conveying direction of the sheet material. The positioning detection assembly is electrically connected to the pushing assembly. This solution places the positioning detection assembly before the conveying assembly. When the sheet material is discharged from the cutting machine, the positioning detection units on both sides move towards the center to detect the position of the sheet material. Then, the pushing units move to the required position, and the discharged material from the cutting machine enters between the two pushing units to achieve alignment and guidance. Thus, the sheet material can reach the cutting equipment with a precise position. Pre-detection greatly improves the positional accuracy of the sheet material during cutting.

[0007] As a preferred embodiment of the sheet metal guiding device, a sensor bracket is mounted on the moving end of the first linear drive component. The sensor bracket is flat and located below the sheet metal conveying plane, and the ranging sensor is mounted on the upper surface of the sensor bracket. Placing the ranging sensor below the sheet metal conveying plane avoids occupying space in the sheet metal conveying channel, prevents collisions and interference with the sheet metal, and ensures an unobstructed sensor detection field of view, enabling stable acquisition of sheet metal position data.

[0008] As a preferred embodiment of the sheet metal guiding device, the pushing unit includes a second linear drive component. The moving end of the second linear drive component is provided with a push plate. The push plate is L-shaped and includes a flat plate and a vertical plate. The bottom surface of the flat plate is connected to the second linear drive component, and the vertical plate is vertically disposed on the top surface of the flat plate, perpendicular to the sheet metal conveying plane. Between the two pushing units, the two vertical plates are arranged parallel to each other. The parallel and opposite arrangement of the two vertical plates can form symmetrical limiting of the sheet metal, effectively correct the sheet metal conveying offset, and ensure the linear conveying posture of the sheet metal.

[0009] As a preferred embodiment of a sheet material guiding device, the pusher plate extends along the conveying direction of the sheet material, and the pushing unit further includes a linear guide rail. The linear guide rail is parallel to the second linear drive component, and the flat plate of the pusher plate is slidably mounted on the linear guide rail. The linear guide rail and the second linear drive component form a cooperating guide, which can reduce the moving resistance of the pusher plate and ensure that the pusher plate moves smoothly without swaying. The extended pusher plate can increase the contact and guiding length with the sheet material, improving the stability during the conveying of long sheet materials.

[0010] As a preferred embodiment of the sheet metal guiding device, the side of the upright plate facing the sheet metal is provided with a wear-resistant plate. This prevents scratches on the sheet metal surface, reduces wear and tear on the upright plate itself, extends the service life of components, and lowers the daily maintenance costs of the equipment.

[0011] In a preferred embodiment of the sheet metal guiding device, the second linear drive is located below the sheet metal conveying plane, and the first linear drive extends to the opposite side of the sheet metal. This allows both the ranging sensor and the pusher to have a large stroke, making it suitable for sheet metal of different widths.

[0012] As a preferred embodiment of the sheet metal guiding device, the first linear drive component and the second linear drive component each include a servo motor. The output shaft of the servo motor is connected to a lead screw, and the sensor bracket and the push plate are mounted on the corresponding lead screw nut. Using a servo motor in conjunction with a lead screw drive provides high transmission accuracy and low positioning error, enabling precise adjustment of the distance sensor and the push plate position.

[0013] As a preferred embodiment of the sheet material guiding device, multiple sets of pushing components are provided, arranged along the sheet material conveying direction. The positioning detection component is electrically connected to all sets of pushing components. The multiple sets of pushing components are arranged in segments along the conveying direction, enabling continuous limiting and guiding of the sheet material throughout the entire process.

[0014] On the other hand, this utility model also provides a laser blanking line, including a length-setting machine and a laser cutting machine, as well as the aforementioned sheet metal guiding device. The guiding device mounted on the laser blanking line enables precise centering and guiding of the sheet metal during cutting, improving the accuracy of subsequent processing.

[0015] Furthermore, a certain distance is maintained between the sizing machine and the laser cutting machine, and the positioning detection component is disposed within the gap between the sizing machine and the laser cutting machine; the pushing component is disposed within the table of the laser cutting machine. By utilizing the equipment gap to arrange the positioning detection component, position detection can be completed in advance before the sheet material enters the cutting position. The pushing component is arranged based on the cutting machine table, making the detection, guiding, and cutting processes compact and reasonable, further ensuring the dimensional accuracy of laser blanking and cutting.

[0016] As can be seen from the above technical solutions, the beneficial effects of this utility model are as follows: This solution first detects the position of the plate and then cooperates with the pushing component to complete the alignment and guidance, effectively improving the positional accuracy of plate cutting; the sensor bracket hides the ranging sensor below the plate conveying plane, without occupying the conveying channel space, avoiding collision and interference with the plate, while ensuring that the detection field of view is not obstructed and stably collecting plate position data; the vertical plates of the L-shaped push plate are set parallel to each other, which can form symmetrical limit on the plate, correct the plate conveying deviation in time, and maintain the plate's straight conveying posture; the linear guide rail cooperates with the second linear drive component to reduce the moving resistance of the push plate, ensure that the push plate moves smoothly without swaying, and effectively improve the conveying stability of long-sized plates; the wear-resistant plate set on the inner side of the vertical plate can not only avoid scratching the plate surface, but also reduce the wear of the vertical plate, extending the... Extended component lifespan reduces equipment maintenance costs; the first and second linear drive components are arranged across opposite sides of the sheet metal, allowing the distance sensor and push plate to have a larger travel range, adapting to the processing needs of sheets of different widths; the servo motor paired with the lead screw transmission structure has small positioning error and high transmission accuracy, enabling precise position adjustment of the distance sensor and push plate; multiple sets of push components are set along the conveying direction, enabling segmented, full-process limit guidance of the sheet metal; applying this device to a laser blanking line can achieve precise centering during the sheet metal cutting process, effectively improving the accuracy of subsequent cutting processing; at the same time, by utilizing the gap between the sizing machine and the laser cutting machine to arrange the positioning detection components and integrating the push components on the cutting machine table, the connection between detection, guidance, and cutting processes becomes more compact and reasonable, further stabilizing the overall dimensional accuracy of laser blanking cutting. Attached Figure Description

[0017] To more clearly illustrate the technical solution of this patent, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this patent. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of a specific embodiment of the present utility model.

[0019] Figure 2 This is a schematic diagram of the positioning detection unit in a specific embodiment of the present invention.

[0020] Figure 3 This is a schematic diagram of the structure of the driving unit in a specific embodiment of this utility model.

[0021] Explanation of main figure symbols 01. Pushing unit, 02. Positioning detection unit, 1. First linear drive, 2. Sensor bracket, 3. Distance sensor, 4. Second linear drive, 5. Linear guide rail, 6. Push plate, 6-1. Flat plate, 6-2. Vertical plate, 7. Wear-resistant plate, 8. Servo motor, 9. Lead screw, 10. Length cutting machine, 11. Laser cutting machine. Detailed Implementation

[0022] To make the objectives, features, and advantages of this patent more apparent and understandable, the technical solutions of this patent will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this patent, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0023] Example 1 like Figure 1-3 As shown, a sheet material guiding device includes a pushing component and a positioning detection component, with the positioning detection component located upstream of the pushing component along the sheet material conveying direction.

[0024] The actuation component includes two actuation units 01, such as Figure 2 As shown, the pushing unit 01 includes a second linear drive 4, a linear guide rail 5, and a push plate 6. The push plate 6 has an L-shaped structure and includes a flat plate 6-1 and a vertical plate 6-2. The bottom surface of the flat plate 6-1 is connected to the second linear drive 4, and the vertical plate 6-2 is vertically disposed on the top surface of the flat plate 6-1 and perpendicular to the plate conveying plane. The vertical plates 6-2 of the two pushing units 01 are arranged in parallel opposite directions. The push plate 6 extends along the plate conveying direction. The linear guide rail 5 is arranged parallel to the second linear drive 4. The flat plate 6-1 of the push plate 6 is slidably mounted on the linear guide rail 5. A wear-resistant plate 7 is installed on the side of the vertical plate 6-2 facing the plate. The second linear drive 4 is arranged below the plate conveying plane. The second linear drive 4 includes a servo motor 8 and a lead screw 9. The push plate 6 is mounted on the lead screw nut seat of the lead screw 9. Furthermore, multiple sets of pushing components are arranged at intervals along the plate conveying direction, and the positioning detection component is electrically connected to each set of pushing components.

[0025] The positioning detection component includes two positioning detection units 02, such as Figure 3As shown, the positioning detection unit 02 includes a first linear drive 1, a sensor bracket 2, and a ranging sensor 3. The moving end of the first linear drive 1 is fixedly mounted with a flat plate-shaped sensor bracket 2. The sensor bracket 2 is located below the plate conveying plane. The ranging sensor 3 is mounted on the upper surface of the sensor bracket 2 and its detection direction is perpendicular to the plate conveying plane. The two positioning detection units 02 are respectively located on both sides of the plate. The moving direction of the first linear drive 1 is perpendicular to the plate conveying direction, and the first linear drive 1 extends to the opposite side of the plate. The first linear drive 1 includes a servo motor 8 and a lead screw 9. The sensor bracket 2 is mounted on the lead screw nut corresponding to the lead screw 9.

[0026] Example 2 A laser blanking line includes a length-fixing machine 10 and a laser cutting machine 11, and also includes the sheet metal guiding device provided in Embodiment 1, such as... Figure 1 As shown, the length-fixing machine 10 and the laser cutting machine 11 are spaced a certain distance apart, and the positioning detection component is set in the gap between the length-fixing machine 10 and the laser cutting machine 11; the pushing component is set in the table of the laser cutting machine 11.

[0027] The working process of this solution is as follows: After the equipment is started, the initialization and reset are completed first. The first linear drive component 1 and the second linear drive component 4 return to the preset initial zero point position. The push plates 6 of each push component open to the maximum passage opening and wait for the plate conveying operation. After the sizing machine completes the length setting of the sheet material and sends it out, the sheet material first enters the upstream positioning and detection component area. The first linear drive component 1 of the positioning and detection units 02 on both sides drives the sensor bracket 2 and the distance sensor 3 to move laterally, accurately scanning and identifying the actual position of the two edges of the sheet material. The positioning and detection component controls each pushing unit through the detected position signals. The second linear drive component 4, driven by the servo motor 8 and the lead screw 9, works with the linear guide rail 5 to smoothly drive the push plate 6 laterally to the required position. The two push plates 6 on both sides form a guide channel adapted to the current width of the sheet material. The sheet material continues to be conveyed forward into the space between the two sets of push plates 6. The upright plate 6-2 and the inner wear-resistant plate 7 provide lateral limit and posture correction for the sheet material. Multiple sets of the pushing units 01 provide continuous guiding constraints for the sheet material along the conveying direction, ensuring that the sheet material always maintains a straight and stable conveying posture and is accurately fed into the laser cutting machine table for cutting. After a single sheet material is processed, each driving component of the device automatically resets to the initial standby position, waiting for the length setting signal of the next sheet material.

[0028] As can be seen from the above embodiments, the advantages of this utility model are as follows: This device adopts a detection-then-guidance working method, accurately detecting the position of the plate and then automatically centering it with the push component, effectively improving the plate cutting positioning accuracy; the distance sensor is installed in a hidden position at the bottom, not occupying the conveying space, avoiding plate collisions and interference, and providing a good detection field of view and stable data acquisition; the symmetrically arranged L-shaped push plate and upright plate can limit the plate on both sides, correcting the conveying deviation in time and ensuring the straight conveying of the plate; the linear guide rail and drive component work together to make the push plate move smoothly without swaying, improving the stability of conveying long plates; the wear-resistant plate on the inner side of the upright plate can protect the surface of the plate, reduce component wear, extend service life, and reduce maintenance costs; two sets of linear drive components are arranged across the plate, with a larger adjustable stroke, adapting to the processing of various wide plates; the servo motor and lead screw drive provide high positioning accuracy and can accurately adjust the position of the sensor and push plate; multiple sets of push components are arranged in sections along the conveying direction to achieve full-process limiting and guidance of the plate; this device is suitable for installation and use in laser blanking lines, enabling precise centering of plate cutting, and the detection, guidance, and cutting processes are tightly connected, effectively improving the laser cutting accuracy and the stability of the finished product size.

[0029] The above description of the disclosed embodiments enables those skilled in the art to implement or use this patent. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this patent. Therefore, this patent is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sheet material guiding device, comprising a pushing assembly, the pushing assembly including two pushing units (01), the pushing direction of the two pushing units (01) being perpendicular to the conveying direction of the sheet material, and the two pushing units (01) being located on opposite sides of the sheet material being conveyed, characterized in that, It also includes a positioning detection component, which is located upstream of the push component along the board conveying direction. The positioning detection component includes two positioning detection units (02), each of which includes a first linear drive (1). The moving end of the first linear drive (1) is provided with a distance sensor (3). The detection direction of the distance sensor (3) is perpendicular to the board conveying plane. The two positioning detection units (02) are located on both sides of the board, and the moving direction of the first linear drive (1) is perpendicular to the board conveying direction. The positioning detection component is electrically connected to the push component.

2. The plate guiding device according to claim 1, characterized in that, The moving end of the first linear drive (1) is equipped with a sensor bracket (2), which is flat and located below the plate conveying plane. The ranging sensor (3) is installed on the upper surface of the sensor bracket (2).

3. The plate guiding device according to claim 2, characterized in that, The pushing unit (01) includes a second linear drive (4), and the moving end of the second linear drive (4) is provided with a push plate (6). The push plate (6) is L-shaped and includes a flat plate (6-1) and a vertical plate (6-2). The bottom surface of the flat plate (6-1) is connected to the second linear drive (4), and the vertical plate (6-2) is vertically arranged on the top surface of the flat plate (6-1). The vertical plate (6-2) is perpendicular to the plate conveying plane. Between the two pushing units (01), the two vertical plates (6-2) are arranged in parallel opposite directions.

4. The plate guiding device according to claim 3, characterized in that, The push plate (6) extends along the conveying direction of the plate. The push unit (01) also includes a linear guide rail (5). The linear guide rail (5) is parallel to the second linear drive member (4). The flat plate (6-1) of the push plate (6) is slidably mounted on the linear guide rail (5).

5. The plate guiding device according to claim 3, characterized in that, The side of the upright plate (6-2) facing the plate is provided with a wear-resistant plate (7).

6. The plate guiding device according to claim 3, characterized in that, The second linear drive (4) is located below the plate conveying plane, and the first linear drive (1) extends to the opposite side of the plate.

7. The plate guiding device according to claim 3, characterized in that, The first linear drive (1) and the second linear drive (4) each include a servo motor (8), the output shaft of the servo motor (8) is connected to a lead screw (9), and the sensor bracket (2) and the push plate (6) are mounted on the lead screw nut of the corresponding lead screw (9).

8. The plate guiding device according to any one of claims 1-7, characterized in that, The pushing component is provided in multiple sets, and the multiple sets of pushing components are arranged along the conveying direction of the plate. The positioning detection component is electrically connected to the multiple sets of pushing components.

9. A laser blanking line, comprising a length-cutting machine (10) and a laser cutting machine (11), characterized in that, It also includes the sheet metal guiding device as described in any one of claims 1-8.

10. The laser blanking line according to claim 9, characterized in that, The length-fixing machine (10) and the laser cutting machine (11) are spaced a certain distance apart, and the positioning detection component is set in the gap between the length-fixing machine (10) and the laser cutting machine (11); the pushing component is set in the table of the laser cutting machine (11).

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