Auxiliary device for bending

Abstract

The utility model belongs to the field of machining, and particularly relates to an auxiliary device for bending, which solves the problems of unstable clamping and poor practicability in the prior art, and comprises an operating platform, a workbench and a cushion block are respectively welded at the top of the operating platform, a support is welded at the top of the cushion block, and the operating platform and the cushion block are fixed on the operating platform. A clamping device and a bending assembly are fixedly arranged in the support, the clamping device comprises a rotating plate, the rotating plate is rotationally installed in the support, one side of the rotating plate is fixedly connected with three supporting blocks and a rectangular block through screws, the three supporting blocks and the rectangular block are evenly distributed in the circumferential direction, a hydraulic cylinder is installed on one side of the support, and the hydraulic cylinder is fixedly connected with the rotating plate through screws. The output end of the hydraulic cylinder is fixedly connected with a push rod through a screw, through the arrangement of the hydraulic cylinder, the positioning blocks and other structures, when a workpiece is clamped, the workpiece firstly penetrates through the interior of the clamping device, then the hydraulic cylinder is started, the hydraulic cylinder drives the three positioning blocks to clamp and fix the workpiece at the same time, and the problem of unstable clamping is solved.

Description

Technical Field

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

[0002] At present, with the progress of industrialization, the bending process has gradually shifted from traditional manual or simple mechanical tools to automation and high precision. This transformation not only improves production efficiency, but also brings higher quality and consistency to the manufacturing industry. In the bending process, the role of auxiliary devices is crucial.

[0003] The utility model with authorization announcement number CN219616589U in the prior art is named as a bending auxiliary device, including a workbench, support legs, a fixing mechanism and a bending mechanism. The lower end surface of the workbench is fixedly connected with the support legs, a fixing mechanism is arranged at one end of the upper end surface of the workbench, and a bending mechanism is arranged at the other end. The fixing mechanism includes a bottom plate, a side plate, a support plate, a screw, a sliding rod, a fixed block and a steel bar. The bending mechanism includes a fixed column, a turntable, a gear ring, a motor, a gear, a bending column, a fixed frame, a rotating screw and a limit rod. This patent can solve the problem that the existing steel bar bending device can usually only bend steel bars of one size when used, and its practicality is low. It is convenient to bend steel bars of various sizes and improve the practicality of the device.

[0004] However, the workpiece is clamped by manually adjusting the screw in this patent, which is easily affected by human factors, resulting in loose or unstable clamping, movement or slippage, which will affect the accuracy and stability of bending, so there is a problem of unstable clamping. Utility Model Content

[0005] The utility model aims to provide a bending auxiliary device, which solves the problems of unstable clamping and poor practicability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending auxiliary device, comprising an operating table, a workbench and a cushion block are welded on the top of the operating table, a support is welded on the top of the cushion block, and a clamping device and a bending assembly are fixedly arranged inside the support;

[0007] The clamping device includes a rotating plate, which is rotatably mounted inside the support, and one side of the rotating plate is respectively fixedly connected with three circumferentially evenly distributed support blocks and a rectangular block by screws, a hydraulic cylinder is installed on one side of the support, an output end of the hydraulic cylinder is fixedly connected with a push rod by screws, one end of the push rod is fixedly connected to one side of the rectangular block, one side of the support is fixedly connected with three circumferentially evenly distributed mounting frames by screws, and the tops of the three support blocks are commonly fixedly connected to the circular plate by screws, a movable block is rotatably mounted inside the mounting frame, a connecting rod is fixedly connected to the upper side of the movable block by screws, one end of the connecting rod is fixedly connected to a positioning block by screws, a rotating column is fixedly nested inside the positioning block, and the rotating column is slidably assembled inside the support;

[0008] The bending assembly includes: a motor is installed on the operating table, the output end of the motor is fixedly connected to a coaxially arranged rotating shaft through a coupling, a fixing plate is welded on the top of the rotating shaft, a fixing rod is welded on the top of the fixing plate, a first bending wheel is fixedly sleeved on the fixing rod, a guide rod is welded on one side of the fixing plate, a guide frame is welded on the guide rod, rollers are rotatably installed inside the fixing plate, and second bending wheels are fixedly sleeved on the rollers.

[0009] Preferably, a cylinder is installed on the workbench, and the output end of the cylinder is fixedly connected to a push rod by screws, a rack is welded to one end of the push rod, a gear is fixedly sleeved on the rotating roller, the rack and the gear are meshingly connected, a bracket is welded on the workbench, and the rack is slidably assembled inside the bracket.

[0010] Preferably, a rotation groove is provided inside the support, and the rotation plate is rotatably installed inside the rotation groove, which reflects the stability of the rotation plate.

[0011] Preferably, three circumferentially evenly distributed sliding grooves are provided inside the support, and the rotating column is slidably connected inside the sliding grooves, thereby achieving the stability of the rotating column.

[0012] Preferably, a groove is provided inside the bracket, and the rack is slidably connected inside the groove, thereby improving the stability of the rack.

[0013] Preferably, a movable groove is provided inside the fixed plate, and the roller is rotatably installed inside the movable groove, which reflects the stability of the roller.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model adopts the arrangement of structures such as hydraulic cylinders and positioning blocks to clamp the workpiece. First, the workpiece is passed through the inside of the clamping device, and then the hydraulic cylinder is started. The hydraulic cylinder drives the three positioning blocks to clamp and fix the workpiece at the same time, thus solving the problem of unstable clamping.

[0016] 2. The utility model sets up structures such as a cylinder and a second bending wheel. After the bending is completed, the cylinder is started, and the cylinder drives the second bending wheel to reverse, so that the bent workpiece is released from the first bending wheel and the second bending wheel, which is convenient for subsequent operations and solves the problem of poor practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the clamping device of the utility model;

[0019] Figure 3 It is a schematic diagram of the bending component structure of the utility model.

[0020] In the figure: 1. operating table; 2. cushion block; 3. support; 4. mounting frame; 5. movable block; 6. connecting rod; 7. positioning block; 8. circular plate; 9. support block; 10. hydraulic cylinder; 11. working table; 12. motor; 13. rotating shaft; 14. fixed plate; 15. guide rod; 16. fixed rod; 17. first bending wheel; 18. guide frame; 19. rotating roller; 20. second bending wheel; 21. gear; 22. rack; 23. push rod; 24. cylinder; 25. bracket; 26. rotating plate; 27. rectangular block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3A bending auxiliary device comprises an operating table 1, a workbench 11 and a cushion block 2 are welded on the top of the operating table 1, a support 3 is welded on the top of the cushion block 2, a clamping device and a bending assembly are fixedly arranged inside the support 3, the clamping device comprises a rotating plate 26, the rotating plate 26 is rotatably mounted inside the support 3, one side of the rotating plate 26 is respectively fixedly connected with three circumferentially evenly distributed support blocks 9 and a rectangular block 27 by screws, a hydraulic cylinder 10 is installed on one side of the support 3, the output end of the hydraulic cylinder 10 is fixedly connected with a push rod 23 by screws, one end of the push rod 23 is fixedly connected to one side of the rectangular block 27, one side of the support 3 is fixedly connected with three circumferentially evenly distributed mounting frames 4 by screws, the tops of the three support blocks 9 are fixedly connected with a circular plate 8 by screws, a movable block 5 is rotatably mounted inside the mounting frame 4, a connecting rod 6 is fixedly connected to the upper portion of the movable block 5 by screws, and one end of the connecting rod 6 is fixedly connected by screws A positioning block 7 is connected, a rotating column is fixedly nested inside the positioning block 7, and the rotating column is slidably assembled inside the support 3. The bending component includes: a motor 12 is installed on the operating table 1, and the output end of the motor 12 is fixedly connected to a coaxially arranged rotating shaft 13 through a coupling, a fixing plate 14 is welded on the top of the rotating shaft 13, a fixing rod 16 is welded on the top of the fixing plate 14, a first bending wheel 17 is fixedly sleeved on the fixing rod 16, a guide rod 15 is welded on one side of the fixing plate 14, a guide frame 18 is welded on the guide rod 15, a rotating roller 19 is rotatably installed inside the fixing plate 14, and a second bending wheel 20 is fixedly sleeved on the rotating roller 19, through the arrangement of structures such as the hydraulic cylinder 10 and the positioning block 7, when clamping the workpiece, first the workpiece is passed through the inside of the clamping device, and then the hydraulic cylinder 10 is started, and the hydraulic cylinder 10 simultaneously drives the three positioning blocks 7 to clamp and fix the workpiece, thereby solving the problem of unstable clamping.

[0023] See also Figure 1-3 A cylinder 24 is installed on the workbench 11, and a push rod 23 is fixedly connected to the output end of the cylinder 24 by screws. A rack 22 is welded to one end of the push rod 23. A gear 21 is fixedly sleeved on the roller 19, and the rack 22 is meshed with the gear 21. A bracket 25 is welded on the workbench 11, and the rack 22 is slidably assembled inside the bracket 25. Through the arrangement of the cylinder 24 and the second bending wheel 20 and other structures, after the bending is completed, the cylinder 24 is started, and the cylinder 24 drives the second bending wheel 20 to reverse, and the bent workpiece is released from the first bending wheel 17 and the second bending wheel 20, which is convenient for subsequent operations and solves the problem of poor practicality.

[0024] See also Figure 1-3 A rotating groove is opened inside the support 3, and the rotating plate 26 is rotatably installed inside the rotating groove. Three circumferentially evenly distributed sliding grooves are opened inside the support 3. The rotating column is slidably connected inside the sliding groove. A groove is opened inside the bracket 25, and the rack 22 is slidably connected inside the groove. A movable groove is opened inside the fixed plate 14, and the rotating roller 19 is rotatably installed inside the movable groove.

[0025] The specific implementation process of the utility model is as follows: when using the device, first pass the workpiece through the inside of the clamping device, move the workpiece to the specified length, start the hydraulic cylinder 10, the hydraulic cylinder 10 drives the push rod 23 to move, the push rod 23 drives the rectangular block 27 to move, the rectangular block 27 drives the rotating plate 26 to rotate, the rotating plate 26 drives the rotating column to move, and the rotating column drives the positioning block 7 to move, so that the three positioning blocks 7 are clamped on the workpiece at the same time. By clamping the workpiece from three directions, the stability of the workpiece can be significantly improved, the deformation and error in the bending process can be effectively reduced, and the bending accuracy can be improved. When the workpiece is firmly clamped, the safety risk during the operation will also be reduced. The three-sided clamping usually has high flexibility and can adapt to workpieces of different shapes and sizes, thereby expanding the scope of use of the auxiliary device and solving the problem of unstable clamping; when bending the workpiece, start the motor 12, the motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the fixed plate 14 to rotate, and the fixed plate 14 simultaneously drives the guide rod 15, the fixed rod 16, the guide frame 18 and the first bending wheel 17 to rotate to bend the workpiece;

[0026] In addition, after the workpiece is bent, the cylinder 24 is started, and the cylinder 24 drives the rack 22 to move. Since the rack 22 and the gear 21 are meshed and connected, the gear 21 rotates accordingly, and the gear 21 drives the roller 19 to rotate. The roller 19 drives the second bending wheel 20 to rotate in the opposite direction, and the bent workpiece is released from between the first bending wheel 17 and the second bending wheel 20, thereby avoiding the problem that the bent workpiece is stuck in the first bending wheel 17 and the second bending wheel 20, affecting subsequent operations, making the bending operation smoother and improving work efficiency. At the same time, it reduces manual intervention and operating difficulty, and reduces labor intensity. In addition, releasing the pipe in an automated manner can also reduce the impact of human factors on product quality, improve product stability and consistency, improve bending efficiency and product quality, and solve the problem of poor practicality.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bending auxiliary device, comprising an operating table (1), characterized in that: A workbench (11) and a cushion block (2) are welded to the top of the operating table (1), a support (3) is welded to the top of the cushion block (2), and a clamping device and a bending assembly are fixedly arranged inside the support (3); The clamping device comprises a rotating plate (26), the rotating plate (26) being rotatably mounted inside the support (3), one side of the rotating plate (26) being fixedly connected to three circumferentially evenly distributed support blocks (9) and a rectangular block (27) by means of screws, a hydraulic cylinder (10) being mounted on one side of the support (3), an output end of the hydraulic cylinder (10) being fixedly connected to a push rod (23) by means of screws, one end of the push rod (23) being fixedly connected to one side of the rectangular block (27), and the support (3) One side of the support (3) is fixedly connected with three circumferentially evenly distributed mounting frames (4) by screws, the tops of the three support blocks (9) are fixedly connected with a circular plate (8) by screws, a movable block (5) is rotatably mounted inside the mounting frame (4), a connecting rod (6) is fixedly connected to the top of the movable block (5) by screws, one end of the connecting rod (6) is fixedly connected to a positioning block (7) by screws, a rotating column is fixedly embedded inside the positioning block (7), and the rotating column is slidably assembled inside the support (3); The bending assembly comprises: a motor (12) is installed on the operating table (1); the output end of the motor (12) is fixedly connected to a coaxially arranged rotating shaft (13) through a coupling; a fixing plate (14) is welded to the top of the rotating shaft (13); a fixing rod (16) is welded to the top of the fixing plate (14); a first bending wheel (17) is fixedly sleeved on the fixing rod (16); a guide rod (15) is welded to one side of the fixing plate (14); a guide frame (18) is welded to the guide rod (15); a rotating roller (19) is rotatably installed inside the fixing plate (14); and a second bending wheel (20) is fixedly sleeved on each of the rotating rollers (19).

2. A bending auxiliary device according to claim 1, characterized in that: A cylinder (24) is installed on the workbench (11), and the output end of the cylinder (24) is fixedly connected to a push rod (23) by means of screws, and a rack (22) is welded to one end of the push rod (23). A gear (21) is fixedly sleeved on the rotating roller (19), and the rack (22) and the gear (21) are meshedly connected. A bracket (25) is welded on the workbench (11), and the rack (22) is slidably assembled inside the bracket (25).

3. A bending auxiliary device according to claim 1, characterized in that: A rotation groove is provided inside the support (3), and the rotation plate (26) is rotatably mounted inside the rotation groove.

4. A bending auxiliary device according to claim 1, characterized in that: The support (3) is provided with three sliding grooves evenly distributed around the circumference, and the rotating column is slidably connected inside the sliding grooves.

5. The bending auxiliary device according to claim 2, characterized in that: A groove is provided inside the bracket (25), and the rack (22) is slidably connected inside the groove.

6. A bending auxiliary device according to claim 2, characterized in that: A movable groove is provided inside the fixed plate (14), and the rotating roller (19) is rotatably mounted inside the movable groove.

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