Automatic hooking device and method for prefabricated box girder reinforcing mesh

Abstract

The invention discloses an automatic hooking device and method for a prefabricated box girder reinforcing mesh, and relates to the technical field of prefabricated box girder reinforcing mesh machining. The automatic hooking device comprises a base, the lower portion of the base is clamped on a sliding rail to slide left and right, and a clamping mechanism and a hooking mechanism are arranged on the base; a moving module capable of moving back and forth and a lifting module are arranged at the lower part of the clamping mechanism, and a clamping module is arranged at the upper part of the clamping mechanism; the device has the beneficial effects that the production efficiency and quality are improved, the manual labor intensity and potential safety hazards are reduced, and remarkable economic benefits and social benefits are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated box girder steel mesh processing, and in particular to an automatic hook bending device and method for prefabricated box girder steel mesh. Background Art

[0002] In the production process of prefabricated box girders, the processing of steel mesh is a key link, among which the bending of steel bars is particularly important. Traditional steel bar bending operations mostly rely on manual operations, which are not only inefficient, but also have safety hazards. For example, improper operation of workers may cause hand injuries. At the same time, the accuracy and consistency of manual bending are difficult to ensure, affecting the overall quality of the box girder. In addition, with the expansion of the production scale of prefabricated box girders, the demand for automation and efficiency of steel bar bending is becoming increasingly urgent.

[0003] Although there are some steel bar bending devices on the market, most of them have problems such as complex structure, cumbersome operation, poor adaptability, etc., which make it difficult to meet the diversified needs of steel bar bending in prefabricated box girder production. Therefore, it is particularly important to develop a prefabricated box girder steel mesh automatic bending device with simple structure, convenient operation, high degree of automation and adaptability to the needs of steel bar bending of different specifications. Summary of the invention

[0004] The purpose of the present invention is to provide a prefabricated box girder steel mesh automatic hook bending device and method in order to solve the above-mentioned problems, aiming to improve the degree of automation of steel mesh hook bending processing, reduce labor intensity, and improve processing accuracy and efficiency.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A prefabricated box girder steel mesh automatic hook bending device comprises a base, the lower part of the base is clamped on a slide rail and slides left and right, the base is provided with a clamping mechanism and a hook bending mechanism, the lower part of the clamping mechanism is provided with a moving module and a lifting module that can move forward and backward, and the upper part of the clamping mechanism is provided with a clamping module.

[0007] The cam is provided with a first end fixedly mounted on the left side of the base, and a second end fixedly mounted on the cam is provided with a first guide slot, a second guide slot and a second guide slot of the same size in an arc shape. The guide slot is a through slot that runs through the side wall of the drive box. A rotating plate is provided on the upper part of the drive box, and the right end of the rotating plate is rotatably connected to the drive box. The left end of the rotating plate is rotatably connected to a rotating oil cylinder, and the other end of the rotating oil cylinder is rotatably connected to the drive box. A connecting rod is fixedly mounted on the side of the rotating plate, and the front end of the connecting rod extends from the slide slot. A clamping block is fixedly mounted on the front side of the drive box corresponding to the first guide slot and the second guide slot at the rear side of the movable plate, and the clamping blocks on the rear side of the movable plate are respectively stuck in the first guide slot and the second guide slot for sliding. A supporting plate is provided on the upper right end of the movable plate, and a pressure wheel is fixedly mounted on the upper end of the support plate extending to the right.

[0008] Preferably: the mobile module includes a mounting plate fixedly mounted on the upper right surface of the base, the number of the mounting plates is two and they are arranged in parallel front and back, a guide rod is fixedly mounted between the two mounting plates, the number of the guide rods is two and they are arranged in parallel left and right, a sliding seat is slidably arranged on the guide rod, a moving cylinder is fixedly mounted on the rear side of the upper right surface of the base, and the moving end of the moving cylinder extends between the mounting plates and is fixedly connected to the sliding seat.

[0009] Preferably: the lifting module includes a lifting cylinder fixedly installed in the middle of the upper surface of the sliding seat and guide columns fixedly installed at the four corners of the upper surface of the sliding seat, a mounting seat is fixedly installed on the upper end of the lifting cylinder, a limited position head is provided on the upper end of the guide column extending out of the upper surface of the mounting seat, and a linear bearing is fixedly installed on the mounting seat corresponding to the position of the guide column.

[0010] Preferably: the clamping module includes a fixing plate fixedly mounted on the rear side of the upper surface of the mounting seat, a third guide groove is opened in the middle of the front side surface of the fixing plate, a moving block is clamped in the third guide groove, a lower clamping block is installed at the upper left corner of the moving block by screws, an upper clamping block is fixedly mounted on the front side of the upper end of the fixing plate, a clamping cylinder is fixedly mounted at the lower right corner of the moving block, the inclination direction of the clamping cylinder is the same as the third guide groove, and the lower end of the clamping cylinder is fixedly mounted on the mounting seat.

[0011] Preferably: a notch is provided at the left end of the fixing plate to prevent the movement of the pressing wheel.

[0012] A method for automatically bending hooks of a prefabricated box girder steel mesh, using the above-mentioned automatic bending hook device for a prefabricated box girder steel mesh, comprises the following steps:

[0013] Step S1: The external driving device slides the base on the slide rail to the position where the steel bar needs to be bent;

[0014] Step S2: The moving cylinder drives the sliding seat to move until the fixed plate and the upper clamping block are located at the gap between the transverse steel bars. The lifting cylinder lifts the mounting seat until the upper clamping block is higher than the steel mesh. The moving cylinder pushes the sliding seat forward until the bent hook steel bar is located below the upper clamping block. The clamping cylinder extends to push the lower clamping block upward to clamp the steel bar.

[0015] Step S3: The rotating cylinder drives the rotating plate to rotate, the connecting rod drives, the movable plate falls under the guidance of the first guide groove and the second guide groove, and the pressing wheel presses down the steel bar to bend the hook;

[0016] Step S4: After the hook is bent, the rotating cylinder drives the movable plate to reset, the clamping cylinder contracts, the lower clamping block moves to the lower right away from the steel bar, the moving cylinder drives the sliding seat to move backward until the fixed plate and the upper clamping block are located at the horizontal steel bar gap position, the lifting cylinder contracts, and the fixed plate falls below the steel mesh;

[0017] Step S5: Repeat steps S2 to S4 until the hook bending work of all the steel bars is completed.

[0018] Preferably, the end faces of the upper clamping block and the lower clamping block are in the shape of an oblong.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. High degree of automation: By integrating the clamping mechanism, bending hook mechanism and moving and lifting modules, the automatic operation of the steel bar bending hook is realized, which greatly improves the production efficiency and reduces the labor intensity;

[0021] 2. Convenient operation: The device has a reasonable structure design, the various components are closely matched, and the operation is easy. It only needs to control the base to slide to the specified position through the external drive device to complete the clamping, bending and releasing of the steel bars. The whole process does not require manual intervention;

[0022] 3. Strong adaptability: The design of the clamping mechanism and the hook bending mechanism fully considers the hook bending requirements of steel bars of different specifications. By adjusting the stroke of the clamping cylinder and the rotating cylinder, it can adapt to the hook bending operations of steel bars of different diameters and lengths;

[0023] 4. High precision: The hook bending mechanism uses the pressing wheel to press down to bend the hook, and cooperates with the guiding function of the first guide groove and the second guide groove to ensure the accuracy and consistency of the hook and improve the overall quality of the prefabricated box beam;

[0024] 5. Good safety: The entire operation process is carried out in a closed space, which effectively avoids the potential safety hazards caused by manual operation and ensures the safety of workers;

[0025] 6. Easy maintenance: All parts of the device adopt modular design, which is easy to disassemble and replace, reducing maintenance costs and time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 It is a three-dimensional structural schematic diagram of an automatic hook bending device for a prefabricated box girder steel mesh according to the present invention.

[0028] Figure 2 It is a front view of an automatic hook bending device for a prefabricated box girder steel mesh according to the present invention.

[0029] Figure 3 It is a top view of an automatic hook bending device for a prefabricated box girder steel mesh according to the present invention.

[0030] Figure 4 It is an AA sectional view of an automatic hook bending device for prefabricated box girder steel mesh according to the present invention.

[0031] Figure 5 It is a three-dimensional structural schematic diagram from another perspective of the automatic hook bending device for prefabricated box girder steel mesh described in the present invention.

[0032] The following are the descriptions of the reference numerals:

[0033] 11. Base; 12. Slide rail; 21. Drive box; 22. Movable plate; 23. Support plate; 24. Pressure wheel; 25. First guide groove; 26. Slide groove; 27. Second guide groove; 28. Turn plate; 29. ​​Connecting rod; 210. Rotating cylinder; 31. Mounting plate; 32. Sliding seat; 33. Moving cylinder; 34. Lifting cylinder; 35. Guide column; 36. Mounting seat; 37. Fixed plate; 38. Upper clamping block; 39. Notch; 310. Third guide groove; 311. Lower clamping block; 312. Moving block; 313. Clamping cylinder; 314. Guide rod. DETAILED DESCRIPTION

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it 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 an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0036] The present invention will be further described below in conjunction with the accompanying drawings:

[0037] like Figure 1-Figure 5 As shown, an automatic hook bending device for prefabricated box girder steel mesh includes a base 11, the lower part of the base 11 is clamped on a slide rail 12 and driven by an external driving device to slide left and right, a clamping mechanism and a hook bending mechanism are arranged on the base 11, a moving module and a lifting module that can move forward and backward are arranged at the lower part of the clamping mechanism, and a clamping module is arranged at the upper part of the clamping mechanism; and a control system for controlling the actions of the hook bending mechanism and the clamping mechanism is also included.

[0038] The hook mechanism includes a drive box 21 fixedly mounted on the upper surface of the left side of the base 11. The front side of the drive box 21 is provided with a first arc-shaped guide groove 25, a slide groove 26 and a second guide groove 27 of the same size. The slide groove 26 is a through groove that penetrates the side wall of the drive box 21. A rotating plate 28 is arranged on the upper part of the drive box 21. The right end of the rotating plate 28 is rotatably connected to the drive box 21. The left end of the rotating plate 28 is rotatably connected to a rotating cylinder 210. The other end of the rotating cylinder 210 is rotatably connected to the drive box 21. The rotating plate 28 A connecting rod 29 is fixedly installed on the side, and the front end of the connecting rod 29 extends from the slide groove 26. A movable plate 22 is fixedly installed on the front side of the driving box 21, and a clamping block is fixedly installed on the rear side of the movable plate 22 corresponding to the first guide groove 25 and the second guide groove 27. The clamping blocks on the rear side of the movable plate 22 are respectively stuck in the first guide groove 25 and the second guide groove 27 to slide. A support plate 23 is provided on the upper right end of the movable plate 22, and a pressure wheel 24 is fixedly installed on the upper end of the support plate 23 extending to the right, and the outer surface of the pressure wheel 24 is set as a V-shaped groove.

[0039] The mobile module includes a mounting plate 31 fixedly mounted on the upper right surface of the base 11. There are two mounting plates 31 which are arranged in parallel front and back. A guide rod 314 is fixedly mounted between the two mounting plates 31. There are two guide rods 314 which are arranged in parallel left and right. A sliding seat 32 is slidably mounted on the guide rod 314. A moving cylinder 33 is fixedly mounted on the rear side of the upper right surface of the base 11. The moving end of the moving cylinder 33 extends between the mounting plates 31 and is fixedly connected to the sliding seat 32.

[0040] The lifting module includes a lifting cylinder 34 fixedly installed in the middle of the upper surface of the sliding seat 32 and guide columns 35 fixedly installed at the four corners of the upper surface of the sliding seat 32. A mounting seat 36 is fixedly installed on the upper end of the lifting cylinder 34. A limiting head is provided on the upper surface of the mounting seat 36 extending from the upper end of the guide column 35 to prevent the mounting seat 36 from detaching from the guide column 35. A linear bearing is fixedly installed on the mounting seat 36 at a position corresponding to the guide column 35.

[0041] The clamping module includes a fixed plate 37 fixedly installed on the rear side of the upper surface of the mounting seat 36, a third guide groove 310 is opened in the middle of the front side surface of the fixed plate 37, a moving block 312 is clamped in the third guide groove 310, a lower clamping block 311 is installed at the upper left corner of the moving block 312 by screws, an upper clamping block 38 is fixedly installed on the front side of the upper end of the fixed plate 37, a clamping cylinder 313 is fixedly installed at the lower right corner of the moving block 312, the inclination direction of the clamping cylinder 313 is the same as the third guide groove 310, and the lower end of the clamping cylinder 313 is fixedly installed on the mounting seat 36; a notch 39 is opened at the left end of the fixed plate 37 to avoid the movement of the pressure wheel 24.

[0042] A method for automatically bending hooks of a prefabricated box girder steel mesh, using the above-mentioned automatic bending hook device for a prefabricated box girder steel mesh, comprises the following steps:

[0043] Step S1: The external driving device slides the base 11 on the slide rail 12 to the position where the steel bar needs to be bent;

[0044] Step S2: The moving cylinder 33 drives the sliding seat 32 to move until the fixed plate 37 and the upper clamping block 38 are located at the horizontal steel bar gap position, the lifting cylinder 34 lifts the mounting seat 36 until the upper clamping block 38 is higher than the steel mesh, the moving cylinder 33 pushes the sliding seat 32 forward, and when the bent hook steel bar is located below the upper clamping block 38, the clamping cylinder 313 extends to push the lower clamping block 311 upward to clamp the steel bar;

[0045] Step S3: The rotating cylinder 210 drives the rotating plate 28 to rotate, and the connecting rod 29 drives, and the movable plate 22 falls under the guidance of the first guide groove 25 and the second guide groove 27, and the pressing wheel 24 presses down the steel bar to bend the hook;

[0046] Step S4: After the hook is bent, the rotating cylinder 210 drives the movable plate 22 to reset, the clamping cylinder 313 contracts, the lower clamping block 311 moves to the lower right away from the steel bar, and the moving cylinder 33 drives the sliding seat 32 to move backward until the fixed plate 37 and the upper clamping block 38 are located at the horizontal steel bar gap position, the lifting cylinder 34 contracts, and the fixed plate 37 falls below the steel mesh;

[0047] Step S5: Repeat steps S2 to S4 until the hook bending work of all the steel bars is completed.

[0048] Among them, the end faces of the upper clamping block 38 and the lower clamping block 311 are in the shape of an oblong; the moving distance of the pressing wheel 24 driven by the rotating cylinder 210 is adjusted according to the bending degree of the hook, and the moving distance of the sliding seat 32 driven by the moving cylinder 33 is selected by the spacing of the transverse bars of the steel mesh.

[0049] The pressure wheel 24, the rotating cylinder 210, the moving cylinder 33, the lifting cylinder 34, the clamping cylinder 313, the external drive device and the control system are all universal standard parts or parts known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods, so they will not be described in detail here.

[0050] The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. An automatic hook bending device for prefabricated box beam steel mesh, comprising a base (11), characterized in that: The lower part of the base (11) is clamped on the slide rail (12) to slide left and right. The base (11) is provided with a clamping mechanism and a hook mechanism. The lower part of the clamping mechanism is provided with a moving module and a lifting module that can move forward and backward. The upper part of the clamping mechanism is provided with a clamping module.

2. The automatic hook bending device for prefabricated box beam steel mesh according to claim 1 is characterized in that: The hook mechanism comprises a driving box (21) fixedly mounted on the left upper surface of the base (11); a first arc-shaped guide groove (25), a slide groove (26) and a second guide groove (27) of the same size are provided on the front side of the driving box (21); the slide groove (26) is a through groove penetrating the side wall of the driving box (21); a rotating plate (28) is arranged on the upper part of the driving box (21); the right end of the rotating plate (28) is rotatably connected to the driving box (21); the left end of the rotating plate (28) is rotatably connected to a rotating oil cylinder (210); the other end of the rotating oil cylinder (210) is rotatably connected to the driving box (21). A connecting rod (29) is fixedly installed on the side of the rotating plate (28), and the front end of the connecting rod (29) extends out from the slide groove (26). A movable plate (22) is fixedly installed on the front side of the driving box (21), and a clamping block is fixedly installed on the rear side of the movable plate (22) corresponding to the first guide groove (25) and the second guide groove (27). The clamping blocks on the rear side of the movable plate (22) are respectively clamped in the first guide groove (25) and the second guide groove (27) to slide. A support plate (23) is arranged on the upper right end of the movable plate (22), and a pressure wheel (24) is fixedly installed on the upper end of the support plate (23) extending to the right.

3. The automatic hook bending device for prefabricated box beam steel mesh according to claim 1 is characterized in that: The mobile module comprises a mounting plate (31) fixedly mounted on the upper right surface of the base (11); the number of the mounting plates (31) is two and they are arranged in parallel front and back; a guide rod (314) is fixedly mounted between the two mounting plates (31); the number of the guide rods (314) is two and they are arranged in parallel left and right; a sliding seat (32) is slidably mounted on the guide rod (314); a moving cylinder (33) is fixedly mounted on the rear side of the upper right surface of the base (11); a moving end of the moving cylinder (33) extends between the mounting plates (31) and is fixedly connected to the sliding seat (32).

4. The automatic hook bending device for prefabricated box beam steel mesh according to claim 3 is characterized in that: The lifting module comprises a lifting cylinder (34) fixedly mounted in the middle of the upper surface of the sliding seat (32) and guide columns (35) fixedly mounted at the four corners of the upper surface of the sliding seat (32); a mounting seat (36) is fixedly mounted on the upper end of the lifting cylinder (34); a limited position head is provided on the upper surface of the mounting seat (36) extending from the upper end of the guide column (35); and a linear bearing is fixedly mounted on the mounting seat (36) at a position corresponding to the guide column (35).

5. The automatic hook bending device for prefabricated box beam steel mesh according to claim 3 is characterized in that: The clamping module comprises a fixing plate (37) fixedly mounted on the rear side of the upper surface of the mounting seat (36); a third guide groove (310) is provided in the middle of the front side of the fixing plate (37); a moving block (312) is clamped in the third guide groove (310); a lower clamping block (311) is installed at the upper left corner of the moving block (312) by means of screws; an upper clamping block (38) is fixedly mounted on the front side of the upper end of the fixing plate (37); a clamping cylinder (313) is fixedly mounted at the lower right corner of the moving block (312); the inclination direction of the clamping cylinder (313) is the same as that of the third guide groove (310); and the lower end of the clamping cylinder (313) is fixedly mounted on the mounting seat (36).

6. The automatic hook bending device for prefabricated box beam steel mesh according to claim 1, characterized in that: The left end of the fixing plate (37) is provided with a notch (39) for preventing the pressing wheel (24) from moving.

7. A method for automatically bending hooks of prefabricated box girder steel mesh, characterized in that: Using an automatic hook bending device for prefabricated box girder steel mesh as described in any one of claims 1 to 6 comprises the following steps: Step S1: an external driving device slides the base (11) on the slide rail (12) to a position where the steel bar needs to be bent; Step S2: The moving cylinder (33) drives the sliding seat (32) to move until the fixed plate (37) and the upper clamping block (38) are located at the gap between the transverse steel bars. The lifting cylinder (34) lifts the mounting seat (36) until the upper clamping block (38) is higher than the steel mesh. The moving cylinder (33) pushes the sliding seat (32) forward. When the bent hook steel bar is located below the upper clamping block (38), the clamping cylinder (313) extends to push the lower clamping block (311) upward to clamp the steel bar. Step S3: the rotating cylinder (210) drives the rotating plate (28) to rotate, the connecting rod (29) is driven, the movable plate (22) falls down under the guidance of the first guide groove (25) and the second guide groove (27), and the pressing wheel (24) presses down the steel bar to bend the hook; Step S4: After the hook is bent, the rotating cylinder (210) drives the movable plate (22) to reset, the clamping cylinder (313) contracts, the lower clamping block (311) moves to the lower right away from the steel bar, the moving cylinder (33) drives the sliding seat (32) to move backward until the fixed plate (37) and the upper clamping block (38) are located at the horizontal steel bar gap position, the lifting cylinder (34) contracts, and the fixed plate (37) falls below the steel mesh; Step S5: Repeat steps S2 to S4 until the hook bending work of all the steel bars is completed.

8. The method for automatically bending hooks of prefabricated box beam steel mesh according to claim 7, characterized in that: The end faces of the upper clamping block (38) and the lower clamping block (311) are in the shape of an oblong circle.

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