A sheet metal bending center

Abstract

The present invention discloses a sheet metal bending center, including a frame, an automatic feeding platform is arranged at the front end of the frame, two groups of symmetrical transverse drive motor systems are arranged in the middle part of the frame, a tool transverse sliding module is arranged forward at the output end of the transverse drive motor system, a slide is slidably connected to the tool transverse sliding module, a longitudinal drive motor system is arranged symmetrically at the front end of the slide, and a tool longitudinal sliding module is arranged downward at the output end of the longitudinal drive motor system. By integrating the frame and the automatic feeding platform, compared with the traditional automatic bending machine, the workstation is changed from double workstation to single workstation, the production efficiency is improved by 2-3 times, and during the operation of the equipment, only manual loading and unloading and random inspection of products are required, which reduces the labor intensity, can effectively improve the equipment's bending efficiency of sheet metal, reduce manual labor intensity and labor costs, and effectively improve the economic benefits of the enterprise.

Description

Technical Field

[0001] The invention relates to the technical field of automated bending equipment, in particular to a sheet metal bending center. Background Art

[0002] A bending machine is a machine that can bend thin plates. Its structure mainly includes a bracket, a workbench and a clamping plate. The workbench is placed on the bracket. The workbench consists of a base and a pressure plate. The base is connected to the clamping plate through a hinge. The base consists of a base shell, a coil and a cover plate. The coil is placed in the depression of the base shell, and the top of the depression is covered with a cover plate. When in use, the coil is energized by a wire, and after energization, an attractive force is generated on the pressure plate, thereby clamping the thin plate between the pressure plate and the base. Due to the use of electromagnetic force clamping, the pressure plate can be made into a variety of workpiece requirements, and can process workpieces with side walls, and the operation is also very simple.

[0003] At present, CNC bending machines are generally operated by two people, who bend the parts one by one. During the work process, two people have to constantly bend the parts alternately, with a high frequency of action and high labor intensity. To bend products with different R angles, the corresponding molds must be changed, and the mold change frequency is high. Because it is manual bending, there is a fatigue period, during which the bending accuracy will decrease, and quality problems are prone to occur. At present, factories generally use manual bending, and urgently need to update and upgrade equipment to reduce labor intensity or replace manual bending.

[0004] In order to improve the production efficiency and bending precision of the bending machine, reduce labor intensity, prevent quality problems, and stabilize product quality, we propose an 8-axis automatic bending center for application on general thin plates. Summary of the invention

[0005] The object of the present invention is to provide a sheet metal bending center to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sheet metal bending center comprises a frame, an automatic feeding platform is arranged at the front end of the frame, two groups of symmetrical horizontal driving motor systems are arranged at the middle part of the frame, a tool horizontal sliding module is arranged forward at the output end of the horizontal driving motor system, a slide is slidably connected to the tool horizontal sliding module, a longitudinal driving motor system is symmetrically arranged at the front end of the slide, a tool longitudinal sliding module is arranged downward at the output end of the longitudinal driving motor system, a main tool module is slidably connected to the front end of the tool longitudinal sliding module, an auxiliary tool driving motor system is arranged at the left side of the middle position of the frame, an auxiliary tool driving motor system is arranged forward at the output end of the auxiliary tool driving motor system, an auxiliary tool module is slidably connected to the auxiliary tool module, and a The suction cup slides forward and backward, and the suction cup slides forward and backward. The suction cup slides upward and downward. The suction cup slides upward and downward. The suction cup slides upward and downward. The suction cup slides upward and downward. The vacuum suction cup is arranged on the top of the rotating cylinder. A vacuum suction cup is arranged on the top of the rotating cylinder. A first lateral positioning mechanism and a second lateral positioning mechanism are arranged evenly front and back on one side of the top of the automatic feeding platform. A left rear positioning mechanism and a right rear positioning mechanism are symmetrically arranged on the front and back sides of the top of the automatic feeding platform. A knife pressing drive motor system is symmetrically arranged on the front end of the frame. A knife pressing slide module is downwardly arranged on the output end of the knife pressing drive motor system. The front end of the knife pressing slide module is slidably connected to an upper knife pressing fixture, and the bottom end of the upper knife pressing fixture is detachably connected to an upper knife pressing blade. A lower knife pressing blade that matches the upper knife pressing blade is arranged on the rear side of the top of the automatic feeding platform, and the main tool module and the auxiliary tool module are arranged on the rear end of the automatic feeding platform.

[0007] Preferably, a slider is slidably connected to the tool transverse sliding module, the slide is detachably connected to the top of the slider, and the longitudinal drive motor system and the tool longitudinal sliding module are detachably connected to the front end of the slide by bolts.

[0008] Preferably, an opening that is compatible with the movement stroke of the vacuum suction cup is formed at the top of the automatic feeding platform, and the first lateral positioning mechanism and the second lateral positioning mechanism are both arranged on the left side of the opening.

[0009] Preferably, a bracket is provided on the upper left end of the frame, and a control screen is provided on the end of the bracket away from the frame. The control screen is electrically connected to the horizontal drive motor system, the longitudinal drive motor system, the auxiliary knife drive motor system, the vacuum suction cup, the rotary cylinder, the knife pressing drive motor system, the suction cup front and rear sliding module and the suction cup up and down sliding module.

[0010] Preferably, the first lateral positioning mechanism includes a positioning slot, which is transversely opened at the top of the automatic feeding platform, and a positioning slider is slidably connected in the slot, and the structure of the second lateral positioning mechanism is consistent with that of the first lateral positioning mechanism.

[0011] Preferably, the main tool module comprises a main tool upper bending knife and a main tool lower bending knife which are symmetrically arranged up and down, and the auxiliary tool module comprises an auxiliary tool upper bending knife and an auxiliary tool lower bending knife which are symmetrically arranged up and down.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The present invention integrates the frame and the automatic feeding platform, and the workstation of the traditional automatic bending machine is changed from a double workstation to a single workstation, thereby increasing the production efficiency by 2-3 times. During the operation of the equipment, only manual loading and unloading and random inspection of products are required, which reduces the labor intensity. During use, one bending knife can bend a variety of R angles or angles, and the frequency of mold (knife) change is significantly less, without interference, and special shapes do not require knife change. Since the equipment has been developed and improved for a long time, it has good stability and high bending accuracy, and the qualified rate of the products produced is more than 99%, which can effectively improve the bending efficiency of the equipment for the board material, reduce manual labor intensity and labor costs, and effectively improve the economic benefits of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the rear structure of the present invention.

[0016] Figure 3 It is a side structural schematic diagram of the present invention.

[0017] In the figure: 1. frame; 2. horizontal drive motor system; 3. tool horizontal sliding module; 4. longitudinal drive motor system; 5. tool longitudinal sliding module; 6. automatic feeding platform; 7. control screen; 71. bracket; 8. auxiliary tool drive motor system; 9. auxiliary tool sliding module; 10. vacuum suction cup; 11. rotary cylinder; 12. first lateral positioning mechanism; 13. second lateral positioning mechanism; 14. suction cup front and rear sliding module; 15. left rear positioning mechanism; 16. right rear positioning mechanism; 17. press knife drive motor system; 18. press knife sliding module; 19. upper press knife fixing piece; 21. suction cup upper and lower sliding module; 22. main knife lower bending knife; 23. lower press knife; 24. upper press knife; 25. main knife upper bending knife; 26. auxiliary knife upper bending knife; 27. auxiliary knife lower bending knife; 28. slide; 29. ​​main tool module; 30. auxiliary tool module. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

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

[0022] See also Figure 1-3, an embodiment of a sheet metal bending center provided by the present invention: a sheet metal bending center, comprising a frame 1, an automatic feeding platform 6 is arranged at the front end of the frame 1, two groups of symmetrical horizontal driving motor systems 2 are arranged at the middle part of the frame 1, a tool horizontal sliding module 3 is arranged forward at the output end of the horizontal driving motor system 2, a slide 28 is slidably connected to the tool horizontal sliding module 3, a longitudinal driving motor system 4 is symmetrically arranged at the front end of the slide 28, a tool longitudinal sliding module 5 is arranged downward at the output end of the longitudinal driving motor system 4, a slide block is slidably connected to the tool horizontal sliding module 3, the slide block 28 is detachably connected to the top of the slide block, and the longitudinal driving motor system 4 and the tool longitudinal sliding module 5 are connected to each other. The front end of the slide 28 can be detachably connected to the front end of the slide 28 by bolts, the front end of the tool longitudinal sliding module 5 is slidably connected to the main tool module 29, the auxiliary tool drive motor system 8 is arranged on the left side of the middle position of the frame 1, the output end of the auxiliary tool drive motor system 8 is arranged forward with the auxiliary tool sliding module 9, the auxiliary tool module 30 is slidably connected to the auxiliary tool sliding module 9, the suction cup front and rear sliding module 14 is arranged through the middle position of the inner bottom end of the automatic feeding platform 6, the suction cup front and rear sliding module 14 is slidably connected with the suction cup upper and lower sliding module 21, the suction cup upper and lower sliding module 21 is slidably connected with the rotating cylinder 11, the top of the rotating cylinder 11 is provided with a vacuum suction cup 10, and the top side of the automatic feeding platform 6 is provided with a front and rear uniform The first lateral positioning mechanism 12 and the second lateral positioning mechanism 13 are arranged, the first lateral positioning mechanism 12 includes a positioning slide groove, the positioning slide groove is horizontally opened at the top of the automatic feeding platform 6, and a positioning slider is slidably connected in the slide groove. The structure of the second lateral positioning mechanism 13 is consistent with the first lateral positioning mechanism 12. The top of the automatic feeding platform 6 is provided with an opening that is compatible with the movement stroke of the vacuum suction cup 10. The first lateral positioning mechanism 12 and the second lateral positioning mechanism 13 are both arranged on the left side of the opening. The left rear positioning mechanism 15 and the right rear positioning mechanism 16 are symmetrically arranged on the front side of the top of the automatic feeding platform 6. The front end of the frame 1 is symmetrically provided with a knife pressing drive motor system 17. The knife pressing drive motor system The output end of the system 17 is downwardly provided with a press knife sliding module 18, the front end of the press knife sliding module 18 is slidably connected with an upper press knife fixing member 19, and the bottom end of the upper press knife fixing member 19 is detachably connected with an upper press knife 24, and a lower press knife 23 that is compatible with the upper press knife 24 is arranged on the rear side of the top of the automatic feeding platform 6, a main tool module 29 and an auxiliary tool module 30 are arranged at the rear end of the automatic feeding platform 6, the main tool module 29 includes a main tool upper bending knife 25 and a main tool lower bending knife 22 that are symmetrically arranged up and down, and the auxiliary tool module 30 includes an auxiliary tool upper bending knife 26 and an auxiliary tool lower bending knife 27 that are symmetrically arranged up and down, a bracket 71 is arranged on the upper left end of the frame 1, and a control screen 7 is arranged at the end of the bracket 71 away from the frame 1.The control screen 7 is electrically connected to the horizontal drive motor system 2, the longitudinal drive motor system 4, the auxiliary knife drive motor system 8, the vacuum suction cup 10, the rotary cylinder 11, the knife pressing drive motor system 17, the suction cup front and rear sliding module 14 and the suction cup up and down sliding module 21.

[0023] Working principle: When the present invention is in use, a simple structural understanding of the present invention is required. When in use, the user places the workpiece on the automatic feeding platform 6, and uses the first lateral positioning mechanism 12 and the second lateral positioning mechanism 13 and the left rear positioning mechanism 15 and the right rear positioning mechanism 16 to position it. After positioning, the workpiece is sucked by the vacuum suction cup 6, and then sent to the bending center bending area through the suction cup front and rear sliding module 14 to reach the position of the lower pressing knife 23. The pressing knife drive motor system 17 and the pressing knife sliding module 18 drive the upper pressing knife fixing part 19 to descend, and the upper pressing knife 24 moves downward to press it. The main tool upper bending knife 25 and the main tool lower bending knife 22 on the main tool module 29 automatically bend according to the set program. After bending, they are sent back to the loading position and unloaded manually.

[0024] During use, the two sets of tool transverse sliding modules 3 move synchronously, driving the main tool module 29 to move forward and backward. The system controls the tool transverse sliding module 3 to move synchronously to achieve bending according to the workpiece material thickness, bending angle, bending radius and other information. When the workpiece exits, the system controls the tool transverse sliding module 3 to move according to the shape of the workpiece after forming, so that the bending knife gives way to avoid collision with the workpiece. The tool transverse sliding module 3 and the tool longitudinal sliding module 5 are combined for interpolation movement, and the system needs to calculate the movement trajectory according to the bending shape.

[0025] During use, the two sets of tool longitudinal sliding modules 5 move synchronously, driving the main tool module 29 to move up and down. The system controls the tool longitudinal sliding module 5 to move synchronously to achieve bending according to the workpiece material thickness, bending angle, bending radius and other information. When the workpiece exits, the system controls the tool longitudinal sliding module 5 to move according to the shape of the workpiece after forming, so as to make the bending knife give way and avoid collision with the workpiece. The tool transverse sliding module 3 and the tool longitudinal sliding module 5 are combined for interpolation movement, and the system needs to calculate the movement trajectory according to the bending shape.

[0026] During use, the press knife drive motor system 17 is responsible for driving the upper press knife fixing part 19 on the press knife sliding module 18 to move up and down, and uses the upper press knife 24 to press the material. The torque control mode is adopted, and the two sets of press knife sliding modules 18 move synchronously and are controlled by an independent PLC. The movement of the press knife sliding module 18 is determined by the shape of the workpiece after each knife bending, and the specific situation is adjusted according to the various workpiece conditions.

[0027] During use, the auxiliary tool drive motor system 8 is responsible for driving the auxiliary tool sliding module 9 to operate, driving the auxiliary tool module 30 on the equipment to operate. When the equipment's press tool is equipped with multiple sets of tools, the auxiliary tool module 30 will be used, and the system drives the auxiliary tool to the specified position for bending according to the bending position.

[0028] During use, the suction cup front and back sliding module 14 is the front and back movement driving component of the vacuum suction cup 6, which is responsible for driving the vacuum suction cup 6 to feed or withdraw material. The movement of the suction cup front and back sliding module 14 is determined according to the bending line position of the workpiece, the shape after bending, etc. The suction cup up and down sliding module 21 is the lifting and lowering movement driving component of the vacuum suction cup 6, which is responsible for the lifting and lowering of the vacuum suction cup 6. The movement of the suction cup up and down sliding module 21 determines the movement distance according to the bending situation of the workpiece, and may not need to move, depending on the contour of the workpiece after forming. The rotating cylinder 11 is the workpiece rotation driving component. When the workpiece bends one side and needs to fold the next side, the workpiece is sucked up. The rotating cylinder 11 determines the rotation angle according to the position of the next bending side. If the rotation center is different, the system also needs to calculate the position of the workpiece according to the rotation center and the shape of the workpiece, so as to output accurate data to determine the feeding distance of the suction cup front and back sliding module 14 at the next bending.

[0029] During use, the user needs to input the plate thickness, material, and provide tool selection and tool arrangement and combination prompts on the control screen 7 so that the worker can select the appropriate tool and install it in the appropriate position according to the prompts.

[0030] The above is only an embodiment of the present invention, and the common sense such as the known specific structure and characteristics in the scheme is not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A sheet metal bending center, comprising a frame (1), characterized in that: The front end of the frame (1) is provided with an automatic feeding platform (6), the middle part of the frame (1) is provided with two groups of symmetrical transverse drive motor systems (2), the output end of the transverse drive motor system (2) is provided with a tool transverse sliding module (3) forward, the tool transverse sliding module (3) is slidably connected to a slide (28), the front end of the slide (28) is symmetrically provided with a longitudinal drive motor system (4), and the output end of the longitudinal drive motor system (4) is provided with a tool longitudinal sliding module (5) downward, The front end of the tool longitudinal sliding module (5) is slidably connected to the main tool module (29), a secondary tool driving motor system (8) is arranged on the left side of the middle position of the frame (1), the output end of the secondary tool driving motor system (8) is arranged forwardly with a secondary tool sliding module (9), the secondary tool sliding module (9) is slidably connected to the secondary tool module (30), and a suction cup front and rear sliding module (14) is arranged through the middle position of the inner bottom end of the automatic feeding platform (6), and a suction cup front and rear sliding module (14) is slidably connected to the suction cup The upper and lower sliding modules (21) are slidably connected to a rotary cylinder (11) on the suction cup upper and lower sliding modules (21), a vacuum suction cup (10) is arranged at the top of the rotary cylinder (11), a first lateral positioning mechanism (12) and a second lateral positioning mechanism (13) arranged evenly front and back are arranged at one side of the top of the automatic feeding platform (6), a left rear positioning mechanism (15) and a right rear positioning mechanism (16) are symmetrically arranged at the front side of the top of the automatic feeding platform (6), and a press knife is symmetrically arranged at the front end of the frame (1). A drive motor system (17), wherein a press knife sliding module (18) is arranged downwardly at the output end of the press knife drive motor system (17), the front end of the press knife sliding module (18) is slidably connected to an upper press knife fixing member (19), the bottom end of the upper press knife fixing member (19) is detachably connected to an upper press knife (24), a lower press knife (23) adapted to the upper press knife (24) is arranged at the rear side of the top end of the automatic feeding platform (6), and the main tool module (29) and the auxiliary tool module (30) are arranged at the rear end of the automatic feeding platform (6).

2. A sheet metal bending center according to claim 1, characterized in that: The tool transverse sliding module (3) is slidably connected to a slider, the slide (28) is detachably connected to the top of the slider, and the longitudinal drive motor system (4) and the tool longitudinal sliding module (5) are detachably connected to the front end of the slide (28) via bolts.

3. A sheet metal bending center according to claim 1, characterized in that: The top of the automatic feeding platform (6) is provided with an opening which is compatible with the movement stroke of the vacuum suction cup (10), and the first lateral positioning mechanism (12) and the second lateral positioning mechanism (13) are both arranged on the left side of the opening.

4. A sheet metal bending center according to claim 1, characterized in that: A bracket (71) is arranged at the upper left end of the frame (1); a control screen (7) is arranged at one end of the bracket (71) away from the frame (1); the control screen (7) is electrically connected to a transverse drive motor system (2), a longitudinal drive motor system (4), an auxiliary knife drive motor system (8), a vacuum suction cup (10), a rotary cylinder (11), a knife pressing drive motor system (17), a suction cup front and rear sliding module (14), and a suction cup upper and lower sliding module (21).

5. A sheet metal bending center according to claim 1, characterized in that: The first lateral positioning mechanism (12) comprises a positioning slide groove, which is transversely opened at the top of the automatic feeding platform (6), and a positioning slider is slidably connected in the slide groove. The structure of the second lateral positioning mechanism (13) is consistent with that of the first lateral positioning mechanism (12).

6. A sheet metal bending center according to claim 1, characterized in that: The main tool module (29) comprises a main tool upper bending knife (25) and a main tool lower bending knife (22) which are symmetrically arranged in the upper and lower parts, and the auxiliary tool module (30) comprises an auxiliary tool upper bending knife (26) and an auxiliary tool lower bending knife (27) which are symmetrically arranged in the upper and lower parts.

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