A sheet metal flattening device for sheet metal processing

Abstract

This utility model discloses a sheet metal flattening device for sheet metal processing, aiming to solve the problem of easy deviation during sheet metal flattening, and improve processing accuracy and efficiency. The anti-deviation mechanism is provided in two sets and symmetrically distributed on both sides of the fixed frame. Each set includes a connecting frame, a motor, a lead screw, a nut sleeve, a first connector, a second connector, and a connecting rod. The connecting frame is fixed to the outer wall of the fixed frame. The output end of the motor is connected to one end of the lead screw, and the other end of the lead screw is rotatably connected to the connecting frame. The nut sleeve is fitted onto the lead screw. The first connector is fixed to the nut sleeve, and the second connector is fixed to the connecting frame. The end of the connecting rod is hinged to the first connector, and the waist is rotatably connected to the second connector. During operation, the motor drives the lead screw to rotate, and the nut sleeve moves horizontally with the lead screw, thereby driving the connecting rod to swing around the second connector as a fulcrum until the ends of the two sets of connecting rods respectively abut against the two side walls of the sheet metal part, forming a clamping limit, realizing real-time correction of the initial and dynamic deviation of the sheet metal part, ensuring that the sheet metal part passes stably through the flattening mechanism, and ensuring flattening accuracy.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing, and in particular to a sheet metal flattening device for sheet metal processing. Background Technology

[0002] The processing quality of sheet metal parts directly determines the performance, precision and appearance of the final product. Flattening is a key step in the sheet metal processing process. Its core objective is to eliminate the warping, wrinkles and other deformations of sheet metal materials generated in the previous process. At present, most of the mainstream sheet metal flattening equipment in the industry adopts a structure of flattening with two sets of upper and lower rollers rotating.

[0003] However, in actual production, sheet metal parts are prone to shifting during the flattening process. Specifically, the sheet metal parts may have uneven thickness, irregular edges, or deviations in their initial position when fed into the device. In addition, the clamping force distribution of the upper and lower rollers on the sheet metal parts is difficult to be completely uniform. As the sheet metal parts move forward with the roller transmission, they are very prone to lateral shifting. This shift will lead to a decrease in the flattening accuracy of the sheet metal parts, resulting in insufficient or excessive flattening in some areas, which greatly affects the product qualification rate. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a sheet metal flattening device for sheet metal processing.

[0005] The sheet metal flattening device for sheet metal processing provided by this utility model adopts the following technical solution:

[0006] A sheet metal flattening device for sheet metal processing includes a conveyor belt, a flattening mechanism, and an anti-deviation mechanism. The conveyor belt is respectively positioned at the inlet and outlet of the flattening mechanism. The flattening mechanism includes a drive, a fixed frame, a drive roller, and a driven roller. The drive roller and the driven roller are rotatably connected to the fixed frame. The drive drives the drive roller to rotate, and the drive roller is located above the driven roller. Two sets of anti-deviation mechanisms are provided, and the two sets of anti-deviation mechanisms are located on both sides of the fixed frame. Each anti-deviation mechanism specifically includes a connecting frame, a motor, a lead screw, a nut sleeve, a first connector, a second connector, and a connecting rod. The connecting frame is located on the outer wall of the fixed frame. The motor is fixed to the connecting frame. The output end of the motor is connected to one end of the lead screw, and the other end of the lead screw is rotatably connected to the connecting frame. The nut sleeve is located on the lead screw. The first connector is located on the nut sleeve, and the second connector is located on the connecting frame. The end of the connecting rod is hinged to the first connector, and the waist of the connecting rod is rotatably connected to the second connector.

[0007] Optionally, a roller is rotatably connected to the end of the connecting rod.

[0008] Optionally, a shock-absorbing component is provided at the end of the connecting rod. The shock-absorbing component includes a T-shaped frame, a slider, a limiting plate, a tension spring, and a connecting shaft. The T-shaped frame is fixed to the end of the connecting rod. A groove is provided on the top of the T-shaped frame. The slider is inserted into the groove. The connecting shaft is fixed to the bottom of the slider. The roller is rotatably connected to the connecting shaft. The other end of the slider is connected to the limiting plate. One end of the tension spring is connected to the limiting plate, and the other end of the tension spring is connected to the T-shaped frame.

[0009] Optionally, each of the nut sleeves has two connectors, and the nut sleeves have two sets of connecting rods, with the ends of the two sets of connecting rods located on the conveyor belts on both sides of the fixed frame.

[0010] Optionally, it also includes an adjustment mechanism, which includes a cylinder, a moving block, and a bearing seat. The bearing seat is disposed on the moving block, and both ends of the drive roller are rotatably connected to the moving block through the bearing seat. The cylinder is disposed on the fixed frame, and the output end of the cylinder is connected to the moving block. The moving block slides within the fixed frame.

[0011] Optionally, the outer circumferential surface of the roller is covered with an elastic buffer layer, which is made of nitrile rubber.

[0012] In summary, this utility model has at least one of the following beneficial technical effects:

[0013] 1. The pneumatic motor drives the lead screw to rotate, and the nut sleeve moves horizontally with the rotation of the lead screw. At the same time as the nut sleeve moves, the connecting rod that is hinged to the nut sleeve through the first connecting piece uses the second connecting piece as a fixed rotation fulcrum until the ends of the two sets of connecting rods abut against the side wall of the sheet metal part to correct the deviation of the sheet metal part. Then, the ends of the connecting rods away from the second connecting piece swing towards the sheet metal part until the ends of the connecting rods of the two sets of anti-deviation mechanisms abut against the two side walls of the sheet metal part respectively, forming a bidirectional clamping and limiting of the lateral position of the sheet metal part, realizing real-time correction of the initial or dynamic deviation of the sheet metal part.

[0014] 2. A rotatable roller can be installed at the end of the connecting rod. The bottom of the roller is slightly higher than the surface of the conveyor belt. The outer circumference of the roller is covered with an elastic buffer layer made of nitrile rubber. The roller can prevent the side wall of the sheet metal part from contacting the end of the connecting rod and causing wear.

[0015] 3. When the sheet metal part is slightly wider, the side wall push roller drives the slider to move away from the sheet metal part. The tension spring is stretched and generates a reverse elastic force, always maintaining a certain clamping force on the sheet metal part. When the sheet metal part is slightly narrower, the tension spring contracts and pulls the slider back to its original position, so that the roller continues to fit against the side wall of the sheet metal part. This prevents the impact force from being directly transmitted to core components such as connecting rods and lead screws due to the lack of a buffer structure, and avoids loosening of the connecting rod hinge and wear of the lead screw threads due to long-term use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a sheet metal flattening device used in sheet metal processing.

[0017] Figure 2 This is a schematic diagram of a sheet metal flattening device (excluding conveyor belt) used for sheet metal processing.

[0018] Figure 3 This is a schematic diagram of the anti-deviation mechanism.

[0019] Figure 4 yes Figure 3 Enlarged view of part A in the middle.

[0020] Explanation of reference numerals in the attached drawings: 1. Conveyor belt; 2. Flattening mechanism; 21. Fixed frame; 22. Driving roller; 23. Driven roller; 3. Anti-deviation mechanism; 31. Connecting frame; 32. Motor; 33. Lead screw; 34. Nut sleeve; 35. Connecting part one; 36. Connecting part two; 37. Connecting rod; 38. Roller; 39. Shock absorption assembly; 391. T-shaped frame; 392. Slider; 393. Limiting plate; 394. Tension spring; 395. Connecting shaft; 4. Adjusting mechanism; 41. Cylinder; 42. Moving block; 43. Bearing. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, 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", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component 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 utility model.

[0023] Furthermore, "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0024] This utility model discloses a sheet metal flattening device for sheet metal processing. (Refer to...) Figure 1-4 A sheet metal flattening device for sheet metal processing includes a conveyor belt 1, a flattening mechanism 2, and an anti-deviation mechanism 3. The conveyor belt 1 is respectively set at the feeding point and the discharging point of the flattening mechanism 2. The conveyor belt 1 is used to convey the sheet metal parts to the feeding point of the flattening mechanism 2. After being flattened by the flattening mechanism 2, the sheet metal parts are transported out by the conveyor belt 1 at the discharging point.

[0025] The flattening mechanism 2 includes a drive, a fixed frame 21, a drive roller 22, and a driven roller 23. The drive roller 22 and the driven roller 23 are rotatably connected to the fixed frame 21. The drive drives the drive roller 22 to rotate. The drive roller 22 is located above the driven roller 23. When the conveyor belt 1 delivers the sheet metal to the flattening mechanism 2, the sheet metal enters between the drive roller 22 and the driven roller 23. The drive roller 22 rotates under the drive to flatten the sheet metal, and the driven roller 23 assists in the rotation.

[0026] Two sets of anti-deviation mechanisms 3 are provided, and the two sets of anti-deviation mechanisms 3 are set on both sides of the fixed frame 21. The anti-deviation mechanism 3 specifically includes a connecting frame 31, a motor 32, a lead screw 33, a nut sleeve 34, a first connector 35, a second connector 36, and a connecting rod 37. The connecting frame 31 is set on the outer wall of the fixed frame 21. The motor 32 is fixed on the connecting frame 31. The output end of the motor 32 is connected to one end of the lead screw 33, and the other end of the lead screw is rotatably connected to the connecting frame 31. The nut sleeve 34 is set on the lead screw 33. The first connector 35 is set on the nut sleeve 34. The second connector 36 is set on the connecting frame 31. The end of the connecting rod 37 is hinged to the first connector 35, and the waist of the connecting rod 37 is rotatably connected to... With this design on connector 2 36, the pneumatic motor 32 drives the lead screw 33 to rotate, and the nut sleeve 34 moves horizontally with the rotation of the lead screw 33. While the nut sleeve 34 moves, the connecting rod 37, which is hinged to the nut sleeve 34 through connector 1 35, uses connector 2 36 as a fixed rotation fulcrum until the ends of the two sets of connecting rods 37 abut against the side wall of the sheet metal part to correct the deviation of the sheet metal part. Then, the ends of the connecting rods 37 away from connector 2 36 swing towards the sheet metal part until the ends of the connecting rods 37 of the two sets of anti-deviation mechanisms 3 abut against the two side walls of the sheet metal part respectively, forming a bidirectional clamping limit on the lateral position of the sheet metal part, realizing real-time correction of the sheet metal part with initial or dynamic deviation.

[0027] The end of the connecting rod 37 can be provided with a rotatably connected roller 38. The bottom of the roller 38 is slightly higher than the surface of the conveyor belt 1. The outer circumference of the roller 38 is covered with an elastic buffer layer made of nitrile rubber. The roller 38 can prevent the side wall of the sheet metal part from contacting the end of the connecting rod 37 and causing wear.

[0028] If a traditional anti-deviation structure uses rigid limiting, when the side wall of the sheet metal part comes into contact with the limiting component, it is easy to be damaged by the hard extrusion between the two. For sheet metal parts with a coating, it may cause the coating to fall off. For thin or soft sheet metal parts, it may even cause the side wall to be dented or deformed. Therefore, in this utility model, a shock-absorbing component 39 is designed at the end of the connecting rod 37.

[0029] The damping assembly 39 specifically includes a T-shaped frame 391, a slider 392, a limiting plate 393, a tension spring 394, and a connecting shaft 395. The T-shaped frame 391 is fixed to the end of the connecting rod 37. A groove is provided on the top of the T-shaped frame 391, and the slider 392 is inserted into the groove. The connecting shaft 395 is fixed to the bottom of the slider 392, and the roller 38 is rotatably connected to the connecting shaft 395. The other end of the slider 392 is connected to the limiting plate 393, and one end of the tension spring 394 is connected to the limiting plate 393. The other end of the tension spring 394 is connected to the T-shaped frame 391. In actual production, even sheet metal from the same batch... Due to the precision error of the cutting equipment, when the width of the sheet metal part is slightly wider, the side wall push roller 38 drives the slider 392 to move away from the sheet metal part. The tension spring 394 is stretched and generates a reverse elastic force, always maintaining a certain clamping force on the sheet metal part. When the width of the sheet metal part is slightly narrower, the tension spring 394 retracts and pulls the slider 392 back to its original position, so that the roller 38 continues to fit against the side wall of the sheet metal part. This prevents the impact force from being directly transmitted to core components such as the connecting rod 37 and the lead screw 33 due to the lack of a buffer structure, and avoids the loosening of the hinge of the connecting rod 37 and the wear of the threads of the lead screw 33 due to long-term use.

[0030] Two connecting parts 35 are provided on the nut sleeve 34, and two sets of connecting rods 37 are provided on the nut sleeve 34. The ends of the two sets of connecting rods 37 are respectively located above the conveyor belts 1 on both sides of the fixed frame 21. The conveyor belts 1 on both sides of the fixed frame 21 are responsible for the feeding and discharging functions of sheet metal parts. The ends of the two sets of connecting rods 37 correspond to the upper parts of the two conveyor belts 1, which can realize the full-process limiting from the entry of sheet metal parts into the device to the completion of flattening and output. After the sheet metal parts pass through the flattening mechanism 2, when they enter the discharge conveyor belt 1, they are prone to lateral displacement due to the stress released by the rollers, which causes the position of the sheet metal parts at the discharge end to be skewed, affecting the feeding accuracy of subsequent processes. The connecting rods 37 on the discharge side can perform secondary limiting on the flattened sheet metal parts to prevent them from shifting during the discharge conveying process.

[0031] An adjustment mechanism 4 is provided on the fixed frame 21. The adjustment mechanism 4 includes a cylinder 41, a moving block 42, and a bearing 43 seat. The bearing 43 seat is set on the moving block 42. The two ends of the drive roller 22 are rotatably connected to the moving block 42 through the bearing 43 seat. The cylinder 41 is set on the fixed frame 21. The output end of the cylinder 41 is connected to the moving block 42. The moving block 42 slides within the fixed frame 21. This design can quickly adapt to sheet metal parts of different thicknesses without replacing core components, meeting the needs of multi-variety processing.

[0032] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A sheet metal flattening device for sheet metal working, characterized by: The device includes a conveyor belt (1), a flattening mechanism (2), and an anti-deviation mechanism (3). The conveyor belt (1) is respectively positioned at the feed and discharge points of the flattening mechanism (2). The flattening mechanism (2) includes a drive, a fixed frame (21), a drive roller (22), and a driven roller (23). The drive roller (22) and the driven roller (23) are rotatably connected to the fixed frame (21). The drive drives the drive roller (22) to rotate. The drive roller (22) is located above the driven roller (23). The anti-deviation mechanism (3) is provided in two sets, which are located on both sides of the fixed frame (21). The anti-deviation mechanism (3) specifically includes a connecting frame (31), a motor (32), and a lead screw (33). The frame consists of a nut sleeve (34), a first connector (35), a second connector (36), and a connecting rod (37). The connecting frame (31) is mounted on the outer wall of the fixed frame (21). The motor (32) is fixed on the connecting frame (31). The output end of the motor (32) is connected to one end of the lead screw (33). The other end of the lead screw is rotatably connected to the connecting frame (31). The nut sleeve (34) is mounted on the lead screw (33). The first connector (35) is mounted on the nut sleeve (34). The second connector (36) is mounted on the connecting frame (31). The end of the connecting rod (37) is hinged to the first connector (35). The waist of the connecting rod (37) is rotatably connected to the second connector (36).

2. The sheet metal flattening device for sheet metal working according to claim 1, characterized in that: The end of the connecting rod (37) is rotatably connected to a roller (38).

3. The sheet metal flattening device for sheet metal working according to claim 2, characterized in that: The end of the connecting rod (37) is provided with a shock-absorbing component (39). The shock-absorbing component (39) includes a T-shaped frame (391), a slider (392), a limiting plate (393), a tension spring (394), and a connecting shaft (395). The T-shaped frame (391) is fixed to the end of the connecting rod (37). A groove is opened on the top of the T-shaped frame (391). The slider (392) is inserted into the groove. The connecting shaft (395) is fixed to the bottom of the slider (392). The roller (38) is rotatably connected to the connecting shaft (395). The other end of the slider (392) is connected to the limiting plate (393). One end of the tension spring (394) is connected to the limiting plate (393), and the other end of the tension spring (394) is connected to the T-shaped frame (391).

4. The sheet metal flattening device for sheet metal working according to claim 1, characterized in that: Each of the nut sleeves (34) has two connecting parts (35), and the nut sleeves (34) has two sets of connecting rods (37), with the ends of the two sets of connecting rods (37) located on the conveyor belts (1) on both sides of the fixed frame (21).

5. The sheet metal flattening device for sheet metal working according to claim 1, characterized in that: It also includes an adjustment mechanism (4), which includes a cylinder (41), a moving block (42), and a bearing (43) seat. The bearing (43) seat is disposed on the moving block (42). The two ends of the drive roller (22) are rotatably connected to the moving block (42) through the bearing (43) seat. The cylinder (41) is disposed on the fixed frame (21). The output end of the cylinder (41) is connected to the moving block (42). The moving block (42) slides within the fixed frame (21).

6. The sheet metal flattening device for sheet metal working according to claim 2, characterized in that: The outer circumferential surface of the roller (38) is covered with an elastic buffer layer, which is made of nitrile rubber.

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