Numerical control hydraulic bending device for steel structure machining

Abstract

The utility model discloses a numerical control hydraulic bending device for steel structure processing, which comprises a bending machine main body, the inner wall of the bending machine main body is fixedly connected with a bending platform, a plate is placed on the top surface of the bending platform, a driving assembly is started to drive a moving mechanism to rotate, and the plate is bent by friction force generated by lap joint of the moving mechanism and the plate. The plate is driven to move backwards to be in lap joint with the limiting assembly, the bending mechanism is started to bend the plate, the driving assembly is turned over to drive the plate to reset, an electric push rod and a first servo motor are started to drive the plate to ascend and rotate through a connecting frame, an adjusting disc and an anti-skid pad, and then the bending position of the plate can be adjusted. The multiple edges of the plate can be automatically bent by repeating the actions, the purpose that the bending position of the elevator door plate can be automatically adjusted conveniently is achieved, and the problem that the bending production speed of the plate is reduced due to the fact that a worker holds the plate to adjust the bending position is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control hydraulic bending, in particular to a numerical control hydraulic bending device for steel structure processing. Background Art

[0002] CNC hydraulic bending machine uses the equipped mold (general or special mold) to bend the metal sheet in the cold state into workpieces of various geometric cross-sectional shapes. It is a sheet forming machine designed for cold rolled sheet metal processing, and is widely used in sheet bending processing in industries such as automobiles, aircraft manufacturing, light industry, shipbuilding, containers, elevators, and railway vehicles. Elevator doors are an important part of elevator equipment. Elevator doors include hall doors and car doors. The ones that move with the elevator are called car doors, and the ones that are fixed on each floor are called hall doors. In the process of making elevator doors, bending equipment is needed to bend the flat sheet into the required cavity, so as to facilitate the installation of electronic equipment inside the cavity.

[0003] According to a metal plate processing bending machine described in the reference document (CN220760638U), the Hall sensor is used to detect the roller rotation angle signal, and the signal input end of the Hall sensor is connected to the signal input end of the hydraulic cylinder. The utility model is conducive to greatly reducing the situation where the anti-pinch function is misjudged or has no effect, is conducive to avoiding the occurrence of air pressure stroke in the bending machine, and is conducive to protecting the bending machine and the bending mold.

[0004] When the elevator door is bent, multiple sides of the plate need to be bent. Although the above-mentioned bending machine is conducive to protecting the bending machine and the bending mold, during the bending production, the staff needs to hold the plate to adjust the bending position, which reduces the production speed when bending the plate. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a CNC hydraulic bending device for steel structure processing, which is used to solve the problems raised in the above-mentioned background technology.

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

[0007] A CNC hydraulic bending device for steel structure processing comprises a bending machine body, wherein the inner wall of the bending machine body is fixedly connected with a bending platform, the bottom surface of the bending platform is fixedly connected with a supporting column, the bottom surface of the bending platform is fixedly connected with a fixing frame, the inner wall of the fixing frame is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a first servo motor, the output end of the first servo motor is fixedly connected with a connecting frame, the top surface of the connecting frame is fixedly connected with an adjusting disk, and the adjusting disk is slidably connected to the inner wall of the bending platform, the top surface of the adjusting disk is fixedly connected with a rear anti-slip pad, a moving mechanism is arranged inside the bending platform, a driving assembly is arranged on the bottom surface of the bending platform, a bending mechanism is arranged inside the bending machine body, and a limiting assembly is arranged inside the bending machine body.

[0008] Preferably, the moving mechanism consists of a connecting shaft, a moving wheel and a silicone ring, the connecting shaft is rotatably connected to the inner wall of the bending platform, the moving wheel is fixedly connected to the surface of the connecting shaft, and the silicone ring is fixedly connected to the surface of the moving wheel.

[0009] Preferably, the driving assembly consists of a second servo motor, a driving wheel transmission belt and a driven wheel, the second servo motor is fixedly connected to the bottom surface of the bending platform, the driving wheel is fixedly connected to the output end of the second servo motor, the transmission belt is meshed with the inner wall of the driving wheel, the driven wheel is fixedly connected to the surface of the connecting shaft, and the inner wall of the driven wheel is meshed with the transmission belt.

[0010] Preferably, the bending mechanism consists of a hydraulic push rod, a bending pressure rod and a bending mold, the hydraulic push rod is fixedly connected to the inner wall of the bending machine body, the bending pressure rod is fixedly connected to the output end of the hydraulic push rod, and the bending mold is fixedly connected to the inner wall of the bending machine body.

[0011] Preferably, the limit assembly consists of a limit frame, a linear motor and a limit baffle, the limit frame is fixedly connected to the inner wall of the bending machine body, the linear motor is fixedly connected to the inner wall of the limit frame, and the linear motor is fixedly connected to the back of the bending machine body, the limit baffle is fixedly connected to the moving end of the linear motor, and the limit baffle is slidably connected to the inner wall of the limit frame.

[0012] Preferably, the anti-slip pad is round in shape and is made of silicone material.

[0013] Preferably, there are multiple moving wheels, and all of the multiple moving wheels are located on the surface of the connecting shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the CNC hydraulic bending device for steel structure processing places the plate on the top surface of the bending platform, starts the driving assembly to drive the moving mechanism to rotate, and drives the plate to move backward and overlap with the limiting assembly through the friction force generated by the overlapping of the moving mechanism and the plate, and starts the bending mechanism to bend the plate, flips and starts the driving assembly to drive the plate to reset, starts the electric push rod and the first servo motor to drive the plate to rise and rotate through the connecting frame, the adjusting disk and the anti-slip pad, so as to adjust the bending position of the plate, and repeats the above actions to automatically bend multiple edges of the plate; the goal of facilitating automatic adjustment of the bending position of the elevator door plate is achieved, and the problem of reduced plate bending production speed caused by the staff holding the plate to adjust the bending position is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the structural survey drawing of the utility model;

[0016] Figure 2 This is an enlarged view of the structure A of the utility model;

[0017] Figure 3 It is a left sectional view of the structure of the utility model;

[0018] Figure 4 This is an enlarged view of the structure B of the utility model.

[0019] In the figure: 1. bending machine body; 2. bending platform; 3. support column; 4. fixed frame; 5. electric push rod; 6. first servo motor; 7. connecting frame; 8. adjustment plate; 9. anti-slip pad; 10. connecting shaft; 11. moving wheel; 12. silicone ring; 13. second servo motor; 14. driving wheel; 15. transmission belt; 16. driven wheel; 17. hydraulic push rod; 18. bending pressure rod; 19. bending mold; 20. limit frame; 21. linear motor; 22. limit baffle. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figure 1-4A CNC hydraulic bending device for steel structure processing includes a bending machine body 1, a bending platform 2 is fixedly connected to the inner wall of the bending machine body 1, a supporting column 3 is fixedly connected to the bottom surface of the bending platform 2, a fixing frame 4 is fixedly connected to the bottom surface of the bending platform 2, an electric push rod 5 is fixedly connected to the inner wall of the fixing frame 4, an output end of the electric push rod 5 is fixedly connected to a first servo motor 6, an output end of the first servo motor 6 is fixedly connected to a connecting frame 7, an adjusting disk 8 is fixedly connected to the top surface of the connecting frame 7, and the adjusting disk 8 is slidably connected to the inner wall of the bending platform 2, and an anti-skid pad 9 is fixedly connected to the top surface of the adjusting disk 8. The anti-skid pad 9 is round in shape and is made of silicone material. The anti-skid pad 9 made of silicone material has stronger flexibility. After contacting the plate, it is easy to increase the friction by deformation to avoid the problem of the plate falling off during the rising and rotation process. The bending platform 2 A moving mechanism is arranged inside, and the moving mechanism consists of a connecting shaft 10, a moving wheel 11 and a silicone ring 12. There are multiple moving wheels 11, and the multiple moving wheels 11 are all located on the surface of the connecting shaft 10, which are used to drive the plate to move, thereby increasing the contact area with the plate and increasing the movement stability of the plate. The connecting shaft 10 is rotatably connected to the inner wall of the bending platform 2, the moving wheel 11 is fixedly connected to the surface of the connecting shaft 10, and the silicone ring 12 is fixedly connected to the surface of the moving wheel 11. The moving wheel 11 and the silicone ring 12 are driven to rotate by the rotation of the connecting shaft 10, and the friction force generated by the overlap between the silicone ring 12 and the plate can drive the plate to move longitudinally, which is convenient for bending, loading and unloading of the plate. A driving component is arranged on the bottom surface of the bending platform 2, a bending mechanism is arranged inside the bending machine body 1, and a limiting component is arranged inside the bending machine body 1.

[0022] Specifically, the driving assembly consists of a second servo motor 13, a driving wheel 14, a transmission belt 15 and a driven wheel 16. The second servo motor 13 is fixedly connected to the bottom surface of the bending platform 2, the driving wheel 14 is fixedly connected to the output end of the second servo motor 13, the transmission belt 15 is meshed with the inner wall of the driving wheel 14, the driven wheel 16 is fixedly connected to the surface of the connecting shaft 10, and the inner wall of the driven wheel 16 is meshed with the transmission belt 15. Through the meshing of the transmission belt 15 with the driving wheel 14 and the driven wheel 16, the driven wheel 16 and the moving mechanism can be driven to rotate by the second servo motor 13, which is convenient for the transmission work of the moving mechanism and is used to drive the plate to load and reset.

[0023] Specifically, the bending mechanism consists of a hydraulic push rod 17, a bending pressure rod 18 and a bending die 19. The hydraulic push rod 17 is fixedly connected to the inner wall of the bending machine body 1, the bending pressure rod 18 is fixedly connected to the output end of the hydraulic push rod 17, and the bending die 19 is fixedly connected to the inner wall of the bending machine body 1. The hydraulic push rod 17 pushes the bending pressure rod 18 to contact the plate, and the plate is pressed into the bending die 19 by pressure, so that the plate can be automatically bent.

[0024] Specifically, the limit assembly consists of a limit frame 20, a linear motor 21 and a limit baffle 22. The limit frame 20 is fixedly connected to the inner wall of the bending machine body 1, the linear motor 21 is fixedly connected to the inner wall of the limit frame 20, and the linear motor 21 is fixedly connected to the back of the bending machine body 1. The limit baffle 22 is fixedly connected to the moving end of the linear motor 21, and the limit baffle 22 is slidably connected to the inner wall of the limit frame 20. The limit baffle 22 is driven by the linear motor 21 to slide along the inner wall of the limit frame 20, so that the plate can be limited and blocked. By adjusting the spacing between the limit baffle 22 and the bending mold 19, the bending size of the plate can be adjusted.

[0025] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0026] When in use: first, place the plate to be bent on the top surface of the bending platform 2 and overlap with the silicone ring 12, start the second servo motor 13 to drive the driving wheel 14 and the transmission belt 15 to rotate, and through the meshing of the transmission belt 15 and the driven wheel 16, drive the connecting shaft 10, the moving wheel 11 and the silicone ring 12 to rotate, and generate friction through the overlap of the silicone ring 12 and the plate, drive the plate to slide backward along the bending platform 2 and the top surface of the bending mold 19 and overlap with the limit baffle 22, start the hydraulic push rod 17 to push the bending pressure rod 18 to move downward and overlap with the plate The contact and cooperation bending mold 19 performs the sheet bending work. After the bending is completed, the second servo motor 13 is reversed and started to drive the sheet to move to the top surface of the bending platform 2. The electric push rod 5 is started to push the adjustment disk 8 and the anti-slip pad 9 upward to contact the sheet through the first servo motor 6 and the connecting frame 7. The sheet is pushed away from the bending platform 2 through the adjusting disk 8. The first servo motor 6 is started to drive the connecting frame 7, the adjusting disk 8 and the sheet to rotate, so as to adjust the bending position of the sheet. The above actions can be repeated to automatically bend multiple edges of the sheet.

[0027] In summary, the CNC hydraulic bending device for steel structure processing places the plate on the top surface of the bending platform 2, starts the driving component to drive the moving mechanism to rotate, and drives the plate to move backward and overlap with the limit component through the friction force generated by the overlapping of the moving mechanism and the plate, and starts the bending mechanism to bend the plate, flips and starts the driving component to drive the plate to reset, starts the electric push rod 5 and the first servo motor 6 to drive the plate to rise and rotate through the connecting frame 7, the adjustment disk 8 and the anti-slip pad 9, so as to adjust the bending position of the plate, and repeats the above actions to automatically bend multiple edges of the plate, thereby achieving the goal of facilitating automatic adjustment of the bending position of the elevator door plate, avoiding the problem of reduced plate bending production speed due to the staff holding the plate to adjust the bending position, and is used to solve the problems raised in the above background technology.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] 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 CNC hydraulic bending device for steel structure processing, comprising a bending machine body (1), characterized in that: The inner wall of the bending machine body (1) is fixedly connected to a bending platform (2), the bottom surface of the bending platform (2) is fixedly connected to a supporting column (3), the bottom surface of the bending platform (2) is fixedly connected to a fixing frame (4), the inner wall of the fixing frame (4) is fixedly connected to an electric push rod (5), the output end of the electric push rod (5) is fixedly connected to a first servo motor (6), the output end of the first servo motor (6) is fixedly connected to a connecting frame (7), the top surface of the connecting frame (7) is fixedly connected to an adjusting disk (8), and the adjusting disk (8) is slidably connected to the inner wall of the bending platform (2), the top surface of the adjusting disk (8) is fixedly connected to a rear anti-slip pad (9), a moving mechanism is arranged inside the bending platform (2), a driving assembly is arranged on the bottom surface of the bending platform (2), a bending mechanism is arranged inside the bending machine body (1), and a limiting assembly is arranged inside the bending machine body (1).

2. A CNC hydraulic bending device for steel structure processing according to claim 1, characterized in that: The moving mechanism is composed of a connecting shaft (10), a moving wheel (11) and a silicone ring (12); the connecting shaft (10) is rotatably connected to the inner wall of the bending platform (2); the moving wheel (11) is fixedly connected to the surface of the connecting shaft (10); and the silicone ring (12) is fixedly connected to the surface of the moving wheel (11).

3. A CNC hydraulic bending device for steel structure processing according to claim 1, characterized in that: The driving assembly is composed of a second servo motor (13), a driving wheel (14), a transmission belt (15) and a driven wheel (16); the second servo motor (13) is fixedly connected to the bottom surface of the bending platform (2); the driving wheel (14) is fixedly connected to the output end of the second servo motor (13); the transmission belt (15) is meshed with the inner wall of the driving wheel (14); the driven wheel (16) is fixedly connected to the surface of the connecting shaft (10); and the inner wall of the driven wheel (16) is meshed with the transmission belt (15).

4. A CNC hydraulic bending device for steel structure processing according to claim 1, characterized in that: The bending mechanism is composed of a hydraulic push rod (17), a bending pressure rod (18) and a bending die (19); the hydraulic push rod (17) is fixedly connected to the inner wall of the bending machine body (1); the bending pressure rod (18) is fixedly connected to the output end of the hydraulic push rod (17); and the bending die (19) is fixedly connected to the inner wall of the bending machine body (1).

5. The CNC hydraulic bending device for steel structure processing according to claim 1 is characterized in that: The limiting assembly is composed of a limiting frame (20), a linear motor (21) and a limiting baffle (22); the limiting frame (20) is fixedly connected to the inner wall of the bending machine body (1); the linear motor (21) is fixedly connected to the inner wall of the limiting frame (20); the linear motor (21) is fixedly connected to the back of the bending machine body (1); the limiting baffle (22) is fixedly connected to the movable end of the linear motor (21); and the limiting baffle (22) is slidably connected to the inner wall of the limiting frame (20).

6. The CNC hydraulic bending device for steel structure processing according to claim 1, characterized in that: The anti-skid pad (9) is round in shape and is made of silicone material.

7. The CNC hydraulic bending device for steel structure processing according to claim 2 is characterized in that: There are multiple moving wheels (11), and the multiple moving wheels (11) are all located on the surface of the connecting shaft (10).

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