Steel bar bending device

Abstract

The utility model provides a steel bar bending device which comprises a working table, a bending assembly is installed at the top end of the working table and comprises a square frame, one end of the square frame is connected with a hydraulic rod, the hydraulic rod is fixedly installed at the top end of the working table, and a first gear and a second gear are arranged in the square frame. The second gear is rotatably installed at the top end of the first gear, the square frame is covered with a protective shell, an adjusting assembly is installed on the surface of the protective shell, and when steel bar bending is conducted, the two second bending wheels are matched with the first bending wheel so that the first bending wheel can be located at the steel bar bending position; the steel bars can be effectively prevented from deviating in the bending process through cooperation of the two second bending wheels, normal use of the first gear and the second gear can be prevented from being affected by chippings during bending through the arranged protective shell, and the bending angle can be conveniently adjusted through the arranged adjusting assembly; and the protective shell is detachable, and the hydraulic rod and the square frame are detachable, so that the bending device is convenient to maintain.

Description

Technical Field

[0001] The utility model belongs to the technical field of bending tools, and in particular relates to a steel bar bending device. Background Art

[0002] Steel bars are one of the most commonly used building materials on construction sites, and bent steel bars are required in the construction process. At this time, a bending device is required to bend the steel bars. After searching, the application number "202322146222.1" discloses "a detection device for steel bar bending test", which records "including a workbench, the four corners of the bottom of the workbench are fixedly connected to support legs, a groove is opened in the middle of the top of the workbench, a first servo motor is fixedly connected to the right side of the bottom of the inner cavity of the groove, a first gear is fixedly connected to the power output end of the first servo motor, a slide groove is opened on both the front and rear sides of the left side of the top of the workbench, a bidirectional screw is rotatably connected between the front and rear side walls of the inner cavity of the slide groove, and a moving block is threadedly connected to the front and rear sides of the outer wall of the bidirectional screw, and the moving block on the front side The top of the block and the top of the moving block at the rear side are fixedly connected with a clamping plate, the front side of the top of the workbench is provided with a support groove, the front side wall of the bidirectional screw is fixedly connected with a connecting rod, the outer side wall of the connecting rod is fixedly connected with a worm gear, the middle of the inner cavity bottom of the groove is fixedly connected with a fixed shaft, and the front side of the left side wall of the workbench is fixedly connected with a second servo motor. ", when the above device is used, the clamping plate can clamp and fix the tail end of the steel bar to avoid the steel bar offset during the bending process to affect the bending effect, and the steel bar is bent by the bending rod, but the above device still has certain shortcomings when used: when the steel bar is bent, metal debris may fall from the bending part of the steel bar, and the debris will fall into the groove, thereby causing the risk of damage to the gear and the motor, and the above device is not convenient for disassembly and maintenance. Utility Model Content

[0003] The utility model aims to provide a steel bar bending device, aiming to solve the problems raised in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel bar bending device, comprising a workbench, a bending assembly is installed on the top of the workbench;

[0005] The bending assembly includes a square frame, one end of the square frame is connected to a hydraulic rod, the hydraulic rod is fixedly installed on the top of the workbench, a first gear and a second gear are arranged in the square frame, the second gear is rotatably installed on the top of the first gear, a through hole is opened in the middle of the second gear, the top of the second gear is fixedly connected to a rotating shell, the bottom end of the first gear is rotatably connected to the surface of the workbench, the middle of the top of the first gear is fixedly connected to a rotating rod, the rotating rod passes through the through hole and extends to the outside of the rotating shell and is fixedly connected to the first connecting member, a first bending wheel is installed on the top of the rotating rod, a second connecting member is fixedly connected to one side of the top of the rotating shell, a boss is fixedly connected to the top of the second connecting member, and a second bending wheel is installed on the top of one end of the first connecting member and the top of the boss, racks are respectively installed on both sides of the inner wall of the square frame, the two racks are staggered up and down, the first gear and the second gear are respectively meshed with the corresponding racks, the outer cover of the square frame is provided with a protective shell, and an adjustment assembly is installed on the surface of the protective shell.

[0006] As a preferred technical solution of the utility model, the protective shell is composed of a first shell and a second shell, and arc grooves are provided in the middle of the opposite sides of the first shell and the second shell, a mounting groove is provided on one side of the first shell, and a mounting block is fixedly provided on one side of the second shell, and when the mounting block is fully inserted into the mounting groove, the two arc grooves form a circular hole, and the rotating shell is arranged in the circular hole, and the size of the circular hole matches the size of the rotating shell.

[0007] As a preferred technical solution of the utility model, the side bottoms of the first shell and the second shell are fixedly connected with fixing plates, the surface of the fixing plate is provided with a first screw hole, the surface of the workbench is correspondingly provided with a second screw hole, and the fixing plate and the workbench are fixed by bolts connected by threads in the first screw hole and the second screw hole.

[0008] As a preferred technical solution of the utility model, the adjustment assembly includes a fixed block fixedly installed on the top of the first shell, and a plurality of adjustment holes are opened on the top of the fixed block, wherein adjustment rods are inserted into two of the adjustment holes, and the adjustment hole in the middle of the top of the fixed block is a center hole, and the center of the center hole and the center of the rotating rod are in the same horizontal plane.

[0009] As a preferred technical solution of the utility model, the top of the workbench is located inside the protective shell and two slide rails are installed. The two slide rails are respectively arranged on both sides of the square frame. The side walls of the square frame are fixedly connected with slide bars, and the slide bars are slidably installed in the slide rails.

[0010] As a preferred technical solution of the utility model, one end of the square frame is fixedly connected to a connecting frame, and the piston rod end of the hydraulic rod is fixedly connected to a connecting block, the size of the connecting block matches the internal size of the connecting frame, a first limiting hole is provided on the surface of the connecting frame, and a second limiting hole is provided on the surface of the connecting block, and when the connecting block is inserted and installed in the installation frame, the first limiting hole is aligned with the second limiting hole, and connecting pins are inserted and connected in the first limiting hole and the second limiting hole.

[0011] As a preferred technical solution of the utility model, the first bending wheel and the second bending wheel are located in the same horizontal plane, and the height of the adjusting rod is higher than the height of the first bending wheel and the second bending wheel.

[0012] As a preferred technical solution of the utility model, a control switch is installed on the surface of the workbench, and the hydraulic rod is electrically connected to the control switch.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: when bending steel bars, the two second bending wheels cooperate with the first bending wheel so that the first bending wheel is at the bending position of the steel bars, and the cooperation of the two second bending wheels can effectively prevent the steel bars from being offset during the bending process, and the protective shell provided can prevent debris from affecting the normal use of the first gear and the second gear during bending, and the adjustment component provided can conveniently adjust the bending angle, and the protective shell is detachable and the hydraulic rod and the square frame are detachable, thereby facilitating the maintenance of the bending device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the workbench in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the bending component in the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of the bending assembly in the utility model;

[0019] Figure 5 It is a partial cross-sectional structural schematic diagram of the bending component in the utility model;

[0020] Figure 6 It is a schematic diagram of the split structure of the hydraulic rod and the square frame in the utility model;

[0021] Figure 7 It is a schematic diagram of the structure of the protective shell in the utility model;

[0022] Figure 8 It is a structural schematic diagram of the adjustment component in the utility model.

[0023] In the figure: 1. workbench; 2. bending assembly; 21. square frame; 22. hydraulic rod; 23. first gear; 24. second gear; 25. through hole; 26. rotating shell; 27. rotating rod; 28. first connecting member; 29. ​​first bending wheel; 210. second connecting member; 211. boss; 212. second bending wheel; 213. rack; 214. slide rail; 215. slide bar; 3. protective shell; 31. first shell; 32. second shell; 33. arc groove; 34. mounting groove; 35. mounting block; 36. fixing plate; 37. first screw hole; 4. adjusting assembly; 41. fixing block; 42. adjusting hole; 43. adjusting rod; 5. second screw hole; 6. connecting frame; 7. connecting block; 8. first limit hole; 9. second limit hole; 10. connecting pin; 11. control switch. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 8 The utility model provides the following technical solution: a steel bar bending device, comprising a workbench 1, and a bending component 2 is installed on the top of the workbench 1.

[0026] In this embodiment, the bending assembly 2 includes a square frame 21, one end of the square frame 21 is connected to a hydraulic rod 22, the hydraulic rod 22 is fixedly installed on the top of the workbench 1, a first gear 23 and a second gear 24 are arranged in the square frame 21, the second gear 24 is rotatably installed on the top of the first gear 23, a through hole 25 is opened in the middle of the second gear 24, the top of the second gear 24 is fixedly connected to a rotating shell 26, the bottom end of the first gear 23 is rotatably connected to the surface of the workbench 1, the middle of the top of the first gear 23 is fixedly connected to a rotating rod 27, the rotating rod 27 passes through the through hole 25 and extends to the outside of the rotating shell 26 and connects with the first gear 23. The connecting member 28 is fixedly connected, a first bending wheel 29 is installed on the top of the rotating rod 27, a second connecting member 210 is fixedly connected to one side of the top of the rotating shell 26, a boss 211 is fixedly connected to the top of the second connecting member 210, a second bending wheel 212 is installed on the top of one end of the first connecting member 28 and the top of the boss 211, racks 213 are installed on both sides of the inner wall of the square frame 21, and the two racks 213 are staggered up and down, the first gear 23 and the second gear 24 are respectively meshed and connected with the corresponding racks 213, and the outer cover of the square frame 21 is provided with a protective shell 3, and the surface of the protective shell 3 is installed with an adjustment component 4.

[0027] Specifically, the steel bar is placed between the first bending wheel 29 and the two second bending wheels 212, and the square frame 21 is pushed to move by the hydraulic rod 22, so that the first gear 23 and the second gear 24 cooperate with the corresponding rack 213 to rotate synchronously and in opposite directions. At this time, the first gear 23 will drive the rotating rod 27 to rotate, and the second gear 24 will drive the rotating shell 26 to rotate, so that the first connecting member 28 and the second connecting member 210 will rotate synchronously in opposite directions, so that the two second bending wheels 212 will drive the steel bar to fit the first bending wheel 29, and under the action of the first bending wheel 29, the steel bar is bent at the first bending wheel 29, and due to the action of the two second bending wheels 212, the movement of the steel bar can be avoided during the bending process, and the square frame 21 is continuously pushed so that the first connecting member 28 and the second connecting member 210 can respectively drive the corresponding second bending wheels 212 to bend the steel bar, so that the steel bar can be bent to a suitable angle.

[0028] In this embodiment, the protective shell 3 is composed of a first shell 31 and a second shell 32. An arc groove 33 is provided in the middle of the opposite sides of the first shell 31 and the second shell 32. A mounting groove 34 is provided on one side of the first shell 31. A mounting block 35 is fixedly provided on one side of the second shell 32. When the mounting block 35 is fully inserted into the mounting groove 34, the two arc grooves 33 form a circular hole. The rotating shell 26 is arranged in the circular hole. The bottom of the side of the first shell 31 and the second shell 32 are fixedly connected with a fixing plate 36. A first screw hole 37 is provided on the surface of the fixing plate 36. A second screw hole 5 is correspondingly provided on the surface of the workbench 1. The fixing plate 36 and the workbench 1 are fixed by bolts connected with the inner threads of the first screw hole 37 and the second screw hole 5.

[0029] Specifically, the rotating shell 26 is placed in the arc groove 33 of the first shell 31 and the second shell 32, and the first shell 31 and the second shell 32 are spliced ​​inwardly so that the mounting block 35 is inserted into the mounting groove 34. Then, the first screw hole 37 and the second screw hole 5 are aligned and the fixing plate 36 is fixed by bolts, so that the protective shell 3 can be fixed. The protective shell 3 can prevent the debris generated during the bending of the steel bar from falling into the square frame 21 and affecting the normal operation of the first gear 23 and the second gear 24, and avoid damage to the first gear 23 and the second gear 24. The protective shell 3 is detachable, which is convenient for maintenance of the bending component 2 at the bottom.

[0030] In this embodiment, the adjustment component 4 includes a fixed block 41 fixedly installed on the top of the first shell 31, and a plurality of adjustment holes 42 are opened at the top of the fixed block 41, wherein two of the adjustment holes 42 are inserted with adjustment rods 43, the first bending wheel 29 and the second bending wheel 212 are located in the same horizontal plane, and the height of the adjustment rod 43 is higher than the height of the first bending wheel 29 and the second bending wheel 212.

[0031] Specifically, the adjustment hole 42 in the middle of the top of the fixed block 41 is taken as the center hole, and the two adjustment rods 43 are placed symmetrically according to the center hole. When the adjustment rods 43 are placed in the adjustment hole 42 farther away from the center hole, the smaller the bending angle of the steel bar is. When the steel bar is bent to fit with the adjustment rods 43, the bending is stopped. In this way, the bending angle of the steel bar can be adjusted.

[0032] In this embodiment, two slide rails 214 are installed at the top of the workbench 1 inside the protective shell 3. The two slide rails 214 are respectively arranged on both sides of the square frame 21. The side walls of the square frame 21 are fixedly connected with slide bars 215, and the slide bars 215 are slidably installed in the slide rails 214.

[0033] Specifically, the slide rail 214 cooperates with the slide bar 215 to guide the direction in which the square frame 21 is pushed, thereby improving the stability of the movement of the square frame 21 .

[0034] In this embodiment, one end of the square frame 21 is fixedly connected to the connecting frame 6, and the piston rod end of the hydraulic rod 22 is fixedly connected to the connecting block 7. The size of the connecting block 7 matches the internal size of the connecting frame 6. The surface of the connecting frame 6 is provided with a first limiting hole 8, and the surface of the connecting block 7 is provided with a second limiting hole 9. When the connecting block 7 is inserted and installed in the installation frame, the first limiting hole 8 is aligned with the second limiting hole 9, and the first limiting hole 8 and the second limiting hole 9 are inserted and connected with a connecting pin 10.

[0035] Specifically, by inserting the connecting block 7 into the connecting frame 6 and aligning the first limiting hole 8 and the second limiting hole 9, and then fixing the connecting block 7 and the connecting frame 6 through the connecting pin 10, it is convenient to connect the hydraulic rod 22 with the square frame 21 in this way, and this connection is convenient and easier to disassemble, thereby making it easier to maintain the device.

[0036] In this embodiment, a control switch 11 is installed on the surface of the workbench 1 , and the hydraulic rod 22 is electrically connected to the control switch 11 .

[0037] Specifically, the hydraulic rod 22 is controlled by the provided control switch 11 .

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A steel bar bending device, comprising a workbench (1), characterized in that: A bending assembly (2) is installed on the top of the workbench (1); The bending assembly (2) comprises a square frame (21), one end of the square frame (21) is connected to a hydraulic rod (22), the hydraulic rod (22) is fixedly mounted on the top of the workbench (1), a first gear (23) and a second gear (24) are arranged in the square frame (21), the second gear (24) is rotatably mounted on the top of the first gear (23), a through hole (25) is provided in the middle of the second gear (24), the top of the second gear (24) is fixedly connected to a rotating shell (26), the bottom end of the first gear (23) is rotatably connected to the surface of the workbench (1), the middle of the top of the first gear (23) is fixedly connected to a rotating rod (27), the rotating rod (27) passes through the through hole (25) and extends to the outside of the rotating shell (26) to connect with the first gear (23). The connecting member (28) is fixedly connected, a first bending wheel (29) is installed at the top of the rotating rod (27), a second connecting member (210) is fixedly connected to one side of the top of the rotating shell (26), a boss (211) is fixedly connected to the top of the second connecting member (210), a second bending wheel (212) is installed at the top of one end of the first connecting member (28) and the top of the boss (211), racks (213) are installed on both sides of the inner wall of the square frame (21), the two racks (213) are staggered up and down, the first gear (23) and the second gear (24) are respectively meshed and connected with the corresponding racks (213), and the outer cover of the square frame (21) is provided with a protective shell (3), and an adjustment component (4) is installed on the surface of the protective shell (3).

2. A steel bar bending device according to claim 1, characterized in that: The protective shell (3) is composed of a first shell (31) and a second shell (32); arc grooves (33) are provided in the middle of the opposite sides of the first shell (31) and the second shell (32); a mounting groove (34) is provided on one side of the first shell (31); a mounting block (35) is fixedly provided on one side of the second shell (32); when the mounting block (35) is fully inserted into the mounting groove (34), the two arc grooves (33) form a circular hole; the rotating shell (26) is arranged in the circular hole.

3. A steel bar bending device according to claim 2, characterized in that: The bottom of the side surfaces of the first shell (31) and the second shell (32) are fixedly connected with a fixing plate (36); a first screw hole (37) is provided on the surface of the fixing plate (36); a second screw hole (5) is correspondingly provided on the surface of the workbench (1); the fixing plate (36) and the workbench (1) are fixedly connected with bolts through the internal threads of the first screw hole (37) and the second screw hole (5).

4. A steel bar bending device according to claim 2, characterized in that: The adjustment assembly (4) comprises a fixing block (41) fixedly mounted on the top of the first shell (31), and a plurality of adjustment holes (42) are provided on the top of the fixing block (41), wherein two of the adjustment holes (42) are inserted and connected with adjustment rods (43).

5. A steel bar bending device according to claim 1, characterized in that: The top of the workbench (1) is located inside the protective shell (3) and is equipped with two slide rails (214). The two slide rails (214) are respectively arranged on both sides of the square frame (21). The side wall of the square frame (21) is fixedly connected with a slide bar (215), and the slide bar (215) is slidably installed in the slide rail (214).

6. A steel bar bending device according to claim 1, characterized in that: One end of the square frame (21) is fixedly connected to a connecting frame (6), and the piston rod end of the hydraulic rod (22) is fixedly connected to a connecting block (7). The size of the connecting block (7) matches the internal size of the connecting frame (6). A first limiting hole (8) is provided on the surface of the connecting frame (6), and a second limiting hole (9) is provided on the surface of the connecting block (7). When the connecting block (7) is inserted and installed in the installation frame, the first limiting hole (8) is aligned with the second limiting hole (9), and a connecting pin (10) is inserted and connected in the first limiting hole (8) and the second limiting hole (9).

7. A steel bar bending device according to claim 4, characterized in that: The first bending wheel (29) and the second bending wheel (212) are located on the same horizontal plane, and the height of the adjustment rod (43) is higher than the height of the first bending wheel (29) and the second bending wheel (212).

8. A steel bar bending device according to claim 1, characterized in that: A control switch (11) is installed on the surface of the workbench (1), and the hydraulic rod (22) is electrically connected to the control switch (11).

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