Novel plate bending device for shipbuilding

Abstract

The utility model relates to the field of shipbuilding, and discloses a novel shipbuilding plate bending device which comprises two baffles, a plurality of conveying rollers are fixedly connected between the two baffles, a correcting mechanism is arranged at the tops of the conveying rollers, a first fixing frame and a second fixing frame are fixedly connected to the tops of the baffles, and the first fixing frame and the second fixing frame are arranged on the baffles. A second hydraulic cylinder is fixedly connected to the middle of the first fixing frame, a pressing plate is fixedly connected to the output end of the second hydraulic cylinder, a first hydraulic cylinder is fixedly connected to the middle of the second fixing frame, a fixing column is fixedly connected to the output end of the first hydraulic cylinder, and a fixing mechanism is arranged in the fixing column. According to the utility model, the straightening mechanism is adopted, and the plates are effectively straightened through the matching of the sliding strips and the rollers, so that the plates are kept flat before being bent. Compared with a simple manual correction device or a device lacking a correction link in the prior art, the device is more efficient and accurate, the problem of uneven bending caused by uneven plates is solved, and therefore the overall machining quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of shipbuilding, and in particular to a novel bending device for shipbuilding plates. Background Technology

[0002] In the shipbuilding industry, hull construction is a complex and high-precision process involving multiple technological steps, among which plate bending is a crucial one. The hull structure is typically composed of a large number of metal plates (such as steel plates and aluminum alloy plates), which need to be precisely bent according to the ship's design requirements to ensure that the overall strength, stability, and shape of the hull meet design standards. The shape of a ship usually includes many complex curves and angles, which necessitates precise bending of the plates during processing to ensure the integrity of the hull structure.

[0003] These sheet metal plates often need to be customized according to the structural form of the ship design before entering the hull manufacturing stage. Ship designers determine the specific plate dimensions and bending angles based on the functional and aesthetic requirements of the hull. In practice, the bending process requires not only precise angle control but also consideration of the material's elasticity, strength, and toughness. Sheet metal plates may deform during bending, even warping or stress concentration; therefore, efficient sheet metal bending technology is crucial to ensuring ship quality.

[0004] Traditional shipbuilding plate bending equipment still has some shortcomings. First, existing equipment usually lacks an effective plate straightening mechanism, resulting in uneven plates before bending, which in turn affects the bending accuracy and effect. Traditional manual straightening is not only inefficient but also prone to introducing human error, leading to uneven bending angles. In addition, the punch replacement process of existing equipment is complex and cumbersome, usually requiring manual disassembly and installation, increasing equipment downtime and labor intensity, and affecting production efficiency.

[0005] To address this problem, a novel shipbuilding plate bending device is proposed. Utility Model Content

[0006] To overcome the above shortcomings, this utility model provides a novel plate bending device for shipbuilding, which aims to improve the problems of inaccurate plate straightening and cumbersome punch replacement in existing equipment.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a novel shipbuilding plate bending device, comprising two baffles, a plurality of conveying rollers fixedly connected between the two baffles, a straightening mechanism provided on the top of the conveying rollers, a fixed frame one and a fixed frame two fixedly connected to the top of the baffles, a hydraulic cylinder two fixedly connected to the middle of the fixed frame one, a pressure plate fixedly connected to the output end of the hydraulic cylinder two, a hydraulic cylinder one fixedly connected to the middle of the fixed frame two, a fixed column fixedly connected to the output end of the hydraulic cylinder one, a fixing mechanism provided inside the fixed column, a circular column inserted inside the fixed column, a punch fixedly connected to the bottom of the circular column, a conveyor belt provided on the outside of the baffles, and a base plate fixedly connected between the two baffles;

[0008] The correction mechanism includes two U-shaped frames, both of which are fixedly connected to the top of the baffle. Two slide bars are slidably connected to the outer side of each U-shaped frame, and a rack is fixedly connected to the inner side of each slide bar. A bracket is fixedly connected to the top of the U-shaped frame, and a motor is fixedly connected to the middle of the bracket. A gear is fixedly connected to the output end of the motor. A fixing strip is fixedly connected to the bottom of each slide bar, and a hollow shell is fixedly connected to the outer side of the fixing strip. Multiple rollers are installed inside the hollow shell.

[0009] As a further description of the above technical solution:

[0010] The fixing mechanism includes an outer shell, the outer side of which is fixedly connected to the inside of the fixing column, and an inner shell fixedly connected to the inside of the outer shell. A pin is slidably connected inside the inner shell, a spring is sleeved on the outside of the pin, and a temporary locking component is provided on the outside of the pin.

[0011] As a further description of the above technical solution:

[0012] The temporary locking assembly includes a locking block and a pad. The locking block is fixedly connected to the outside of the pad, and the pad is fixedly connected to the outside of the pin. A U-shaped slot is provided on the outside of the inner shell.

[0013] As a further description of the above technical solution:

[0014] A rack on one of the slide bars is slidably connected inside the other slide bar, and the gear is located between the two racks.

[0015] As a further description of the above technical solution:

[0016] The gear meshes with the rack.

[0017] As a further description of the above technical solution:

[0018] The pin is inserted into the inside of the circular column, and a pull ring is fixedly connected to the end of the pin away from the circular column.

[0019] As a further description of the above technical solution:

[0020] One end of the spring is fixedly connected to one side of the pad, and the other end of the spring abuts against the inner wall of the inner shell.

[0021] As a further description of the above technical solution:

[0022] The card block is slidably connected inside the U-shaped card slot, and the pad is slidably connected inside the inner shell.

[0023] This utility model has the following beneficial effects:

[0024] 1. This utility model employs a straightening mechanism that effectively straightens the sheet metal through the cooperation of slide bars and rollers, ensuring the sheet metal remains neat before bending. Compared to existing technologies with simple manual straightening or devices lacking a straightening step, this device is more efficient and precise in straightening sheet metal, avoiding uneven bending caused by uneven sheet metal and improving overall processing quality.

[0025] 2. This utility model employs a fixing mechanism and a temporary locking component, simplifying the punch replacement process. Through the pull ring and pin design, operators can easily disassemble and replace the punch. Compared to traditional methods, this design reduces the time and labor intensity required for punch replacement, improves production efficiency, and reduces the risk of equipment damage due to improper disassembly. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a novel shipbuilding plate bending device proposed in this utility model.

[0027] Figure 2 This is a structural schematic diagram of the straightening mechanism of a novel shipbuilding plate bending device proposed in this utility model.

[0028] Figure 3 This is a schematic diagram of the punch of a novel shipbuilding plate bending device proposed in this utility model.

[0029] Figure 4 for Figure 3 An enlarged view at point A.

[0030] Legend:

[0031] 1. Fixed frame one; 2. Pressure plate; 3. Hydraulic cylinder one; 4. Fixed frame two; 5. Punch; 6. Conveyor belt; 7. Base plate; 8. Conveyor roller; 9. Baffle; 10. Sliding bar; 11. U-shaped frame; 12. Support; 13. Hydraulic cylinder two; 14. Rack; 15. Roller; 16. Gear; 17. Hollow shell; 18. Fixed bar; 19. Locking block; 20. Motor; 21. Fixed column; 22. Circular column; 23. Outer shell; 24. U-shaped slot; 25. Inner shell; 26. Pin; 27. Spring; 28. Pad. Detailed Implementation

[0032] 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.

[0033] Reference Figure 1 - Figure 4 An embodiment of this utility model provides a novel shipbuilding plate bending device, comprising two baffles 9, with multiple conveying rollers 8 fixedly connected between the two baffles 9, a straightening mechanism on the top of the conveying rollers 8, a fixed frame 1 and a fixed frame 4 fixedly connected to the top of the baffles 9, a hydraulic cylinder 13 fixedly connected to the middle of the fixed frame 1, a pressure plate 2 fixedly connected to the output end of the hydraulic cylinder 13, a hydraulic cylinder 3 fixedly connected to the middle of the fixed frame 4, a fixed column 21 fixedly connected to the output end of the hydraulic cylinder 3, a fixing mechanism inside the fixed column 21, a circular column 22 inserted inside the fixed column 21, a punch 5 fixedly connected to the bottom of the circular column 22, a conveyor belt 6 on the outside of the baffles 9, and a base plate 7 fixedly connected between the two baffles 9;

[0034] The straightening mechanism includes two U-shaped frames 11, both of which are fixedly connected to the top of the baffle 9. Two slide bars 10 are slidably connected to the outer side of each U-shaped frame 11, and racks 14 are fixedly connected to the inner side of each slide bar 10. A bracket 12 is fixedly connected to the top of each U-shaped frame 11, and a motor 20 is fixedly connected to the middle of the bracket 12. A gear 16 is fixedly connected to the output end of the motor 20. A fixing strip 18 is fixedly connected to the bottom of each slide bar 10, and a hollow shell 17 is fixedly connected to the outer side of the fixing strip 18. Multiple rollers 15 are installed inside the hollow shell 17. A rack 14 on one slide bar 10 is slidably connected to the inside of the other slide bar 10, and a gear 16 is located between the two racks 14, meshing with the racks 14. The two baffles 9 are used to fix the various parts, ensuring the normal operation of the sheet metal bending device and also serving as the supporting foundation for the device. The conveying roller 8 is used to convey the sheet metal to the base plate 7 for bending operations. Fixing frame 1 is used to fix hydraulic cylinder 13, and fixing frame 4 is used to fix hydraulic cylinder 3. The pressure plate 2, driven by the hydraulic cylinder 13, tightly presses the sheet metal to prevent it from warping during bending. The hydraulic cylinder 3 drives the punch 5 to bend the sheet metal. The fixing column 21 supports the fixing mechanism and is used to mount the punch 5 at the output end of the hydraulic cylinder 3. The circular column 22 connects the punch 5, facilitating its installation within the fixing column 21. The conveyor belt 6 transports the bent sheet metal to the next operation. The U-shaped frame 11 provides a track for the sliding of the slide bar 10 and also serves as the mounting point for the bracket 12. The motor 20 drives the gear 16 to rotate, causing the two racks 14 meshing with the gear 16 to move, thereby moving the two slide bars 10. By rotating the motor 20 forward and backward, the two slide bars 10 can be brought closer together or moved further apart. The fixing strip 18 secures the hollow shell 17 to the slide bar 10. The roller 15, after the sheet metal is straightened, works with the conveyor roller 8 to transport the sheet metal to the base plate 7.

[0035] Reference Figure 3 and Figure 4The fixing mechanism includes a housing 23, which is fixedly connected to the outside of a fixing post 21. An inner housing 25 is fixedly connected inside the housing 23, and a pin 26 is slidably connected inside the inner housing 25. A spring 27 is sleeved on the outside of the pin 26, and a temporary locking component is provided on the outside of the pin 26. The pin 26 is inserted into the inside of a circular post 22, and a pull ring is fixedly connected to the end of the pin 26 away from the circular post 22. The housing 23 supports the various internal parts, ensuring the normal operation of the fixing mechanism. The inner housing 25 allows the pin 26 to slide smoothly into the circular post 22 via a sliding track, thereby locking the circular post 22 inside the fixing post 21 and enabling the installation of the punch 5. The temporary locking component locks the pin 26 after it is pulled out, eliminating the need to continuously pull on it. The spring 27 prevents the pin 26 from moving without external force. The pull ring is used to easily pull the pin 26. When it is necessary to disassemble the punch 5, the pin 26 can be pulled out from the inside of the cylindrical post 22 through the pull ring.

[0036] Reference Figure 3 and Figure 4 The temporary locking assembly includes a locking block 19 and a pad 28. The locking block 19 is fixedly connected to the outside of the pad 28, and the pad 28 is fixedly connected to the outside of the pin 26. A U-shaped groove 24 is provided on the outside of the inner shell 25. One end of the spring 27 is fixedly connected to one side of the pad 28, and the other end of the spring 27 abuts against the inner wall of the inner shell 25. The locking block 19 is slidably connected inside the U-shaped groove 24, and the pad 28 is slidably connected inside the inner shell 25. The pad 28 is used to fix the locking block 19 and also to transmit the spring force of the spring 27 to the pin 26. The locking block 19 is used to lock the locking block 19 inside the U-shaped slot 24 by rotating the pin 26 after the pin 26 is pulled out, without having to pull the pin 26 with force. When it is necessary to release, pull the ring slightly, then rotate the pin 26 in the opposite direction so that the locking block 19 can slide inside the U-shaped slot 24. Then release the ring, and under the action of the spring 27, the pin 26 will be inserted into the cylindrical column 22.

[0037] Working principle: When bending the sheet metal, the operator first places the sheet metal on the conveyor roller 8. Then, the motor 20 starts working and drives the gear 16 to rotate, thereby moving the two racks 14. The slide bar 10 slides on the U-shaped frame 11 and gradually moves towards the center until the roller 15 in the hollow shell 17 contacts the sheet metal and straightens it. Then, in conjunction with the conveyor roller 8, the straightened sheet metal is conveyed to the bottom plate 7. Then, the second hydraulic cylinder 13 is activated. Under the action of the second hydraulic cylinder 13, the pressure plate 2 will press tightly against the top of the sheet metal to prevent the sheet metal from warping during bending. Then, the first hydraulic cylinder 3 is activated, and the punch 5 begins to move down until the sheet metal is bent to the required angle.

[0038] When it is necessary to replace a different punch 5, pull the pull ring to move the pin 26. When the pin 26 is pulled out from the circular post 22, the circular post 22 can be removed from the fixed post 21. At this time, rotate the pin 26 to make the locking block 19 lock inside the U-shaped groove 24, so the pin 26 is temporarily locked. It is not necessary to keep pulling the pin 26. Then, insert the circular post 22 of the other punch 5 back into the fixed post 21, pull the pull ring slightly, and rotate the pin 26 in the opposite direction to make the locking block 19 slide inside the U-shaped groove 24. Finally, release the pull ring. Under the action of the spring 27, the pin 26 will be reinserted into the circular post 22. This completes the replacement of the punch 5.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel shipbuilding plate bending device, comprising two baffles (9), characterized in that: Multiple conveying rollers (8) are fixedly connected between the two baffles (9). A straightening mechanism is provided on the top of the conveying rollers (8). A first fixed frame (1) and a second fixed frame (4) are fixedly connected to the top of the baffles (9). A second hydraulic cylinder (13) is fixedly connected in the middle of the first fixed frame (1). A pressure plate (2) is fixedly connected to the output end of the second hydraulic cylinder (13). A first hydraulic cylinder (3) is fixedly connected in the middle of the second fixed frame (4). A fixed column (21) is fixedly connected to the output end of the first hydraulic cylinder (3). A fixing mechanism is provided inside the fixed column (21). A circular column (22) is inserted inside the fixed column (21). A punch (5) is fixedly connected to the bottom of the circular column (22). A conveyor belt (6) is provided on the outside of the baffles (9). A base plate (7) is fixedly connected between the two baffles (9). The correction mechanism includes two U-shaped frames (11), both of which are fixedly connected to the top of the baffle (9). Two slide bars (10) are slidably connected to the outside of the U-shaped frame (11). A rack (14) is fixedly connected to the inside of the slide bar (10). A bracket (12) is fixedly connected to the top of the U-shaped frame (11). A motor (20) is fixedly connected to the middle of the bracket (12). A gear (16) is fixedly connected to the output end of the motor (20). A fixing strip (18) is fixedly connected to the bottom of the slide bar (10). A hollow shell (17) is fixedly connected to the outside of the fixing strip (18). Multiple rollers (15) are installed inside the hollow shell (17).

2. The novel shipbuilding plate bending device according to claim 1, characterized in that: The fixing mechanism includes an outer shell (23), the outer shell (23) is fixedly connected to the inside of the fixing post (21), the inner shell (25) is fixedly connected to the inside of the outer shell (23), a pin (26) is slidably connected inside the inner shell (25), a spring (27) is sleeved on the outside of the pin (26), and a temporary locking component is provided on the outside of the pin (26).

3. The novel shipbuilding plate bending device according to claim 2, characterized in that: The temporary locking assembly includes a locking block (19) and a pad (28). The locking block (19) is fixedly connected to the outside of the pad (28), and the pad (28) is fixedly connected to the outside of the pin (26). A U-shaped slot (24) is provided on the outside of the inner shell (25).

4. The novel shipbuilding plate bending device according to claim 1, characterized in that: A rack (14) on one of the slide bars (10) is slidably connected inside the other slide bar (10), and the gear (16) is located between the two racks (14).

5. A novel shipbuilding plate bending device according to claim 1, characterized in that: The gear (16) meshes with the rack (14).

6. A novel shipbuilding plate bending device according to claim 2, characterized in that: The pin (26) is inserted into the inside of the circular post (22), and a pull ring is fixedly connected to the end of the pin (26) away from the circular post (22).

7. A novel shipbuilding plate bending device according to claim 3, characterized in that: One end of the spring (27) is fixedly connected to one side of the pad (28), and the other end of the spring (27) abuts against the inner wall of the inner shell (25).

8. A novel shipbuilding plate bending device according to claim 3, characterized in that: The card block (19) is slidably connected inside the U-shaped card slot (24), and the pad (28) is slidably connected inside the inner shell (25).

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