Bending device

Abstract

The utility model relates to the technical field of machining, in particular to a bending device. The bending device comprises a base, a lifting plate and a bearing plate, the lifting plate is assembled on the top of the base, the bearing plate is assembled on the top of the lifting plate, a power mechanism is assembled between the lifting plate and the bearing plate, and a bending mechanism is assembled between the base and the lifting plate. The power mechanism comprises a motor, an inner hexagon screw, a crank, a linkage strip, a round rod, a connecting base, a guide column, a bearing and a connecting table. Through the structural design of the power mechanism, the device rotates by starting the motor, so that the lifting plate slides outside the two guide columns, and reciprocating up-and-down movement of the lifting plate provides power for bending; and through the structural design of the bending mechanism, bending of a steel structure product is achieved through cooperation of a bending male die and a bending female die, and the bending male die and the bending female die are flexible and convenient to detach through arrangement of a first butterfly screw and a second butterfly screw.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a bending device. Background Art

[0002] Steel structure bending devices, as an indispensable and important part of modern manufacturing, are closely related to the background and development of the rapid progress of industrial technology. In the early days, the bending of metal plates mostly relied on manual operations, which were inefficient and difficult to ensure accuracy. With the rapid development of industrial technology, especially the continuous advancement of metal processing technology, steel structure bending devices came into being. With its high efficiency, precision, and safety, steel structure bending devices have quickly emerged in the field of industrial manufacturing, with the advantages of precise bending angles, stable operation, and high efficiency. The emergence of this device not only greatly improves production efficiency and reduces production costs, but also can adapt to various complex working environments. Steel structure bending devices are widely used in aerospace, automobile manufacturing, shipbuilding, construction industry and other fields.

[0003] For example, patent CN213079630U discloses a bending device for steel structure processing, including a bending machine body, a stamping module plugged into the bottom of the upper die seat, a fixing rod slidably plugged into the right side wall of the upper die seat, the fixing rod and the stamping module are fixedly connected through a fixing block, a clamping block is tightly plugged and fixed at the top of the lower die seat, and the support plate frame and the positioning block are plugged and fixed through a limiting plug. The device twists the fixing rod to disengage it from the fixing block and the threaded hole, and moves along the slide groove to pull out the fixing groove, and then the fixing block is pulled out of the fixing groove, thereby realizing the rapid disassembly and replacement of the stamping module, saving time and effort, and high flexibility. Then, the baffle is held and the limiting plug is pulled, which drives the spring to stretch, so that the limiting plug is separated from the positioning hole on the positioning block, and then the clamping block and the positioning block are pulled out of the clamping slot and the positioning slot, thereby realizing the rapid disassembly and replacement of the clamping block, which is convenient for replacing the pressing groove, convenient operation, time-saving and labor-saving, and flexible to use.

[0004] When using the above technology, it was found that the following technical problems exist in the prior art: the existing bending device for steel structure processing is powered by a cylinder when bending, and needs to be connected to other pneumatic equipment such as an air compressor to operate, which is not convenient and flexible enough, and the existing device is not convenient to take after bending, which affects the bending efficiency. For this reason, we designed a bending device to provide another technical solution to the above technical problems. Utility Model Content

[0005] Based on this, it is necessary to provide a bending device to solve the technical problems of facilitating bending and improving the efficiency of unloading and taking materials in response to the above-mentioned technical problems.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A bending device comprises a base, a lifting plate and a bearing plate, wherein the top of the base is equipped with a lifting plate, the top of the lifting plate is equipped with a bearing plate, a power mechanism is equipped between the lifting plate and the bearing plate, and a bending mechanism is equipped between the base and the lifting plate;

[0008] The power mechanism includes a motor, an inner hexagon screw, a crank, a linkage bar, a circular rod, a connecting seat, a guide column, a bearing and a connecting platform. The motor is fixed to one side of the top of the supporting plate by multiple inner hexagon screws, and the crank is fixed to the power output end of the motor. The outer rotation of the crank is connected to the linkage bar, and one end of the linkage bar is internally connected to the circular rod. Connecting seats are fixed at both ends of the circular rod, and the bottom of the connecting seat is fixed to the lifting plate. Guide columns are fixed to both ends of the bottom of the supporting plate, one end of the two guide columns are fixed to the base, and the outer sliding connection of the two guide columns is connected to the lifting plate. A connecting platform is fixed to the other side of the top of the supporting plate, and a bearing is fixed to the outside of one end of the crank, and the bearing is fixed to the connecting platform.

[0009] Preferably, the bending mechanism includes a T-block, a bending punch, a first butterfly screw, a fixing plate, a bending die and a second butterfly screw; the lifting plate is internally slidably connected with the T-block, the bottom of the T-block is fixed with a bending punch, one side of the lifting plate is internally threadedly connected with the first butterfly screw, the T-block and the first butterfly screw are also threadedly connected, the inner side of the base is slidably connected with a fixing plate, the top of the fixing plate is fixed with a bending die, one side of the base is internally threadedly connected with the second butterfly screw, and the second butterfly screw and the fixing plate are also threadedly connected.

[0010] Preferably, the fixed plate and the bending die are internally equipped with a bending buffer unloading mechanism, and the bending buffer unloading mechanism includes a telescopic block, a limit plate and a spring. The bending die is internally slidably connected with the telescopic block, the bottom of the telescopic block is fixed with a limit plate, and the telescopic block is internally slidably connected with two springs.

[0011] Preferably, product limit blocks are fixed at both ends of the top of the bending die.

[0012] Preferably, the four inner corners of the base are all provided with countersunk holes for fixing.

[0013] Preferably, a product placement box is slidably connected to the interior of one side of the base, and a push-pull handle is fixed to one side of the product placement box.

[0014] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0015] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0016] 1. The utility model adopts the structural design of the power mechanism, so that the device can be rotated by starting the motor to make the lifting plate slide outside the two guide columns, so as to realize the reciprocating up and down motion of the lifting plate to provide power for bending.

[0017] 2. The utility model realizes the bending of steel structure products through the structural design of the bending mechanism by the cooperation of the bending punch and the bending die, and the setting of the first butterfly screw and the second butterfly screw makes the disassembly of the bending punch and the bending die flexible and convenient, which is convenient for repairing and replacing the mold.

[0018] 3. The utility model adopts the structural design of the bending buffer unloading mechanism, so that the device can buffer the bent steel structure parts through the telescopic block during bending, which is beneficial to the plastic deformation of the steel structure parts during bending, and the bent steel structure parts are ejected through the spring, which is convenient for taking out the bent steel structure parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the cross-sectional connection structure of the load-bearing plate of the utility model;

[0022] Figure 3 It is a schematic diagram of the cross-sectional connection structure of the base and the lifting plate of the utility model;

[0023] Figure 4 It is a schematic diagram of the cross-sectional connection structure of the fixed plate and the bending die of the utility model;

[0024] Figure 5 It is a schematic diagram of the connection structure of the base, product placement box and push-pull handle of the utility model.

[0025] In the figure: 1. Base; 2. Lifting plate; 3. Load-bearing plate; 4. Motor; 5. Hexagon socket screw; 6. Crank; 7. Linking bar; 8. Round rod; 9. Connecting seat; 10. Guide column; 11. T-block; 12. Bending punch; 13. First butterfly screw; 14. Fixing plate; 15. Bending die; 16. Second butterfly screw; 17. Telescopic block; 18. Limiting plate; 19. Spring; 20. Product limiting block; 21. Countersunk hole for fixing; 22. Product placement box; 23. Push-pull handle; 24. Bearing; 25. Connecting table. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] Embodiment 1

[0031] Reference Figure 1 - Figure 5 A bending device comprises a base 1, a lifting plate 2 and a bearing plate 3, the top of the base 1 is equipped with the lifting plate 2, the top of the lifting plate 2 is equipped with the bearing plate 3, a power mechanism is installed between the lifting plate 2 and the bearing plate 3, and a bending mechanism is installed between the base 1 and the lifting plate 2;

[0032] The power mechanism includes a motor 4, an inner hexagon screw 5, a crank 6, a linkage bar 7, a circular rod 8, a connecting seat 9, a guide column 10, a bearing 24 and a connecting platform 25. The motor 4 is fixed to one side of the top of the load-bearing plate 3 by a plurality of inner hexagon screws 5. The crank 6 is fixed to the power output end of the motor 4. The crank 6 is externally rotatably connected to the linkage bar 7. One end of the linkage bar 7 is internally rotatably connected to the circular rod 8. The two ends of the circular rod 8 are fixed with a connecting seat 9. The bottom of the connecting seat 9 is fixed to the lifting plate 2. The two ends of the bottom of the load-bearing plate 3 are fixed with guide columns 10. One end of the two guide columns 10 is fixed to the base 1. The two guide columns The outer side of 10 is slidably connected with the lifting plate 2, the other side of the top of the carrying plate 3 is fixed with a connecting platform 25, and a bearing 24 is fixed to the outer side of one end of the crank 6, and the bearing 24 and the connecting platform 25 are fixed; the product limit blocks 20 are fixed to both ends of the top of the bending die 15; the bending mechanism includes a T-block 11, a bending punch 12, a first butterfly screw 13, a fixing plate 14, a bending die 15 and a second butterfly screw 16, the inner side of the lifting plate 2 is slidably connected with the T-block 11, the bottom of the T-block 11 is fixed with the bending punch 12, one side of the lifting plate 2 is internally threadedly connected with the first butterfly screw 13, the T-block 11 and the first butterfly The butterfly screw 13 is also threadedly connected, and a fixing plate 14 is slidably connected to the inner side of the base 1, and a bending die 15 is fixed to the top of the fixing plate 14. A second butterfly screw 16 is threadedly connected to the inner side of one side of the base 1, and the second butterfly screw 16 and the fixing plate 14 are also threadedly connected; the position of the bending plate is limited by setting two product limit blocks 20 to avoid movement during bending; first, the bending plate of the steel structure to be bent is placed between the two product limit blocks 20 to limit the position of the bending plate of the steel structure to prevent movement during bending that causes the bent part to be unqualified, and then the motor 4 is started, and the power output end of the motor 4 drives the crank 6 Rotate, crank 6 drives linkage bar 7 to move, linkage bar 7 drives circular rod 8 to move, circular rod 8 drives connecting seat 9 to move, connecting seat 9 drives lifting plate 2 to slide on the surfaces of two guide posts 10, thus realizing up and down reciprocating motion to provide power for bending; then lifting plate 2 drives T-block 11, T-block 11 drives bending punch 12 to move downward, when bending punch 12 and bending plate are in close contact with the top of bending die 15, a bending action is completed, and the disassembly of bending punch 12 and bending die 15 is facilitated by the setting of first butterfly screw 13 and second butterfly screw 16, which is conducive to rapid maintenance and replacement;

[0033] The four inner corners of the base 1 are all provided with fixing countersunk holes 21; the setting of the fixing countersunk holes 21 facilitates the fixing of the bending device, making the bending stable and the size of the bent steel structure accurate and reliable;

[0034] A product placement box 22 is slidably connected to the inside of one side of the base 1, and a push-pull handle 23 is fixed to one side of the product placement box 22; the setting of the product placement box 22 facilitates the storage of the bent steel structural parts, avoiding the disorderly placement of parts on the workbench that affects the operation safety; the setting of the push-pull handle 23 facilitates the transfer of the bent parts inside the product placement box 22, making the transfer of steel structural parts convenient and flexible, thereby improving production efficiency.

[0035] Embodiment 2

[0036] Reference Figure 3 , a bending device, the fixed plate 14 and the bending die 15 are equipped with a bending buffer unloading mechanism, the bending buffer unloading mechanism includes a telescopic block 17, a limit plate 18 and a spring 19, the bending die 15 is slidably connected with the telescopic block 17, the bottom of the telescopic block 17 is fixed with a limit plate 18, and the telescopic block 17 is slidably connected with two springs 19; when bending, the telescopic block 17 will move downward under the force of the bending plate and the bending punch 12, and the telescopic block 17 drives the limit plate 18 to slide downward inside the fixed plate 14 and the bending die 15, and the spring 19 is squeezed by the force, so that the bending plate can play a buffering role when bending, and when the bending is completed, the bending punch 12 rises, the spring 19 rebounds, and the spring 19 drives the telescopic block 17, and the telescopic block 17 drives the limit plate 18 to move upward, so that the bent part can be ejected, and the unloading is completed, which is convenient for taking.

[0037] The use process of a bending device provided by the utility model is as follows:

[0038] First, place the bending plate of the steel structure part that needs to be bent between the two product limit blocks 20 to limit the position of the bending plate of the steel structure part to prevent movement during bending and causing the bent part to be unqualified. Since the motor 4 and the bearing plate 3 are fixed by multiple hexagon socket screws 5, a crank 6 is fixed to the power output end of the motor 4, and the external rotation of the crank 6 is connected with a linkage bar 7, and one end of the linkage bar 7 is internally connected with a circular rod 8 for rotation, and connecting seats 9 are fixed at both ends of the circular rod 8. The bottom of the connecting seat 9 is fixed to the lifting plate 2, and the connecting platform 25 is fixed to the bearing plate 3. A bearing 24 is fixed to the outside of one end of the crank 6, and the bearing 24 is fixed to the connecting platform 25. The lifting plate 2 is slidably connected to the two guide columns 10, and then the motor 4 is started. The power output end of the motor 4 drives the crank 6 to rotate, the crank 6 drives the linkage bar 7 to move, the linkage bar 7 drives the circular rod 8 to move, the circular rod 8 drives the connecting seat 9 to move, and the connecting seat 9 drives the lifting plate 2 to slide on the surface of the two guide columns 10, thus realizing the up and down reciprocating motion to provide power for bending;

[0039] Since the T-block 11 and the lifting plate 2 are slidably connected, the T-block 11 and the bending punch 12 are fixed, the first butterfly screw 13 and the inner side of the lifting plate 2 are threadedly connected, the first butterfly screw 13 and the T-block 11 are also threadedly connected, the fixed plate 14 and the base 1 are slidably connected, the top of the fixed plate 14 is fixed with a bending die 15, and the inner side of one side of the base 1 is threadedly connected with a second butterfly screw 16, and the second butterfly screw 16 and the fixed plate 14 are also threadedly connected, and then the lifting plate 2 drives the T-block 11, and the T-block 11 drives the bending punch 12 to move downward. When the bending punch 12 and the bending plate are in close contact with the top of the bending die 15, a bending action is completed. The first butterfly screw 13 and the second butterfly screw 16 are arranged to facilitate the disassembly of the bending punch 12 and the bending die 15, which is conducive to rapid maintenance and replacement;

[0040] Since the telescopic block 17 and the limiting plate 18 are fixed, the spring 19 and the telescopic block 17 are slidably connected. When bending, the telescopic block 17 is subjected to the force of the bending plate and the bending punch 12 to move downward, and the telescopic block 17 drives the limiting plate 18 to slide downward inside the fixed plate 14 and the bending die 15. The spring 19 is squeezed by the force, and the bending plate can play a buffering role when bending. When the bending is completed, the bending punch 12 rises, the spring 19 rebounds, and the spring 19 drives the telescopic block 17, and the telescopic block 17 drives the limiting plate 18 to move upward, so that the bent part can be ejected, and the unloading is completed, which is convenient for taking;

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A bending device, characterized in that: The invention comprises a base (1), a lifting plate (2) and a bearing plate (3), wherein the top of the base (1) is equipped with the lifting plate (2), the top of the lifting plate (2) is equipped with the bearing plate (3), a power mechanism is installed between the lifting plate (2) and the bearing plate (3), and a bending mechanism is installed between the base (1) and the lifting plate (2); The power mechanism comprises a motor (4), a hexagon socket screw (5), a crank (6), a linkage bar (7), a round rod (8), a connecting seat (9), a guide column (10), a bearing (24) and a connecting platform (25); the motor (4) is fixed to one side of the top of the carrier plate (3) via a plurality of hexagon socket screws (5); the crank (6) is fixed to the power output end of the motor (4); the crank (6) is rotatably connected to the linkage bar (7) on the outside; one end of the linkage bar (7) is rotatably connected to the round rod (8) on the inside; the round rod (8) is A connecting seat (9) is fixed at both ends of the shaped rod (8), the bottom of the connecting seat (9) is fixed to the lifting plate (2), guide columns (10) are fixed at both ends of the bottom of the carrying plate (3), one end of the two guide columns (10) is fixed to the base (1), the outside of the two guide columns (10) is slidably connected to the lifting plate (2), a connecting platform (25) is fixed on the other side of the top of the carrying plate (3), and a bearing (24) is fixed to the outside of one end of the crank (6), and the bearing (24) and the connecting platform (25) are fixed.

2. A bending device according to claim 1, characterized in that: The bending mechanism comprises a T-shaped block (11), a bending punch (12), a first butterfly screw (13), a fixing plate (14), a bending die (15) and a second butterfly screw (16); the lifting plate (2) is internally slidably connected with the T-shaped block (11); the bottom of the T-shaped block (11) is fixed with the bending punch (12); one side of the lifting plate (2) is internally threadedly connected with the first butterfly screw (13); the T-shaped block (11) and the first butterfly screw (13) are also threadedly connected; the inner side of the base (1) is slidably connected with the fixing plate (14); the top of the fixing plate (14) is fixed with the bending die (15); one side of the base (1) is internally threadedly connected with the second butterfly screw (16); the second butterfly screw (16) and the fixing plate (14) are also threadedly connected.

3. A bending device according to claim 2, characterized in that: The fixed plate (14) and the bending die (15) are internally equipped with a bending buffer discharge mechanism, the bending buffer discharge mechanism comprising a telescopic block (17), a limit plate (18) and a spring (19), the interior of the bending die (15) is slidably connected with the telescopic block (17), the bottom of the telescopic block (17) is fixed with a limit plate (18), and the interior of the telescopic block (17) is slidably connected with two springs (19).

4. A bending device according to claim 2, characterized in that: Product limiting blocks (20) are fixed to both ends of the top of the bending die (15).

5. A bending device according to claim 1, characterized in that: The four inner corners of the base (1) are all provided with countersunk holes (21) for fixing.

6. A bending device according to claim 1, characterized in that: A product placement box (22) is slidably connected to the interior of one side of the base (1), and a push-pull handle (23) is fixed to one side of the product placement box (22).

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