Bending machine for steel bar machining

Abstract

The utility model relates to the technical field of reinforcing steel bar processing, in particular to a bending machine for reinforcing steel bar processing, which comprises a base and an air cylinder, the air cylinder is fixedly connected on the upper surface of the base, the output end of the air cylinder is fixedly connected with a frame, a bending mechanism is arranged in the frame, a disc is arranged above the frame, and the disc is connected with the air cylinder. A positioning mechanism is arranged on the outer wall of the disc, a pin rod is fixedly connected to the upper surface of the disc, and a fixing rod is fixedly connected to the upper surface of the frame. A motor is started, the motor drives a worm to rotate, the worm drives a worm gear to rotate, the worm gear drives a first rotating rod to rotate, the first rotating rod drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a second rotating rod to rotate, the first rotating rod and the second rotating rod respectively correspond to discs to rotate, and the discs drive pin rods to rotate. The two pin rods are matched with the fixing rod to bend the reinforcing steel bar, certain limitation is avoided when the reinforcing steel bar is bent, and the reinforcing steel bar can be conveniently bent into the needed angle according to the actual use requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar processing, in particular to a bending machine for steel bar processing. Background Art

[0002] Rebar refers to steel used for reinforced concrete and prestressed reinforced concrete. Its cross-section is round, sometimes square with rounded corners, and includes plain round steel bars, ribbed steel bars and twisted steel bars.

[0003] For example, a bending machine for steel bar processing with patent number CN219946504U comprises a base and a bending workbench for bending a steel bar main body, the bending workbench is arranged above the base, and the upper surface of the bending workbench is respectively provided with a limiting mechanism and a bending mechanism for limiting the steel bar main body; the limiting mechanism comprises a mounting groove provided on the upper surface of the bending workbench, and the above-mentioned document still has shortcomings. When in use, by setting the limiting mechanism and the bending mechanism, the bending machine can realize automatic bending of the end of the steel bar main body during actual use, which is highly practical, effectively reduces the work intensity of personnel, and improves work efficiency. However, when the bending machine in the above-mentioned document bends the steel bar, the maximum bending angle of the steel bar is ninety degrees, which has certain limitations when bending the steel bar, and is not convenient for bending the steel bar to the required angle according to actual use requirements. At the same time, as the steel bar is bent, the position of the steel bar may move, which is not convenient for positioning the steel bar during the bending process. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to bend steel bars into a required angle according to actual use requirements, and proposes a bending machine for steel bar processing.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bending machine for steel bar processing is designed, comprising a base and a cylinder, wherein the cylinder is fixedly connected to the upper surface of the base, the output end of the cylinder is fixedly connected to a frame, a bending mechanism is arranged inside the frame, a disc is arranged above the frame, a positioning mechanism is arranged on the outer wall of the disc, a pin rod is fixedly connected to the upper surface of the disc, a fixing rod is fixedly connected to the upper surface of the frame, and a top plate is fixedly connected to the outer wall of the frame.

[0007] Preferably, the bending mechanism includes a motor, the motor is fixed to the outer wall of the frame, the output shaft of the motor is fixed with a worm, the outer walls at both ends of the worm are rotatably connected to the frame through bearings, the worm is meshingly connected to the worm wheel, a first rotating rod is fixed above the worm wheel, the outer wall of the first rotating rod is fixed with a first gear, the first gear is meshingly connected to the second gear, the second gear is fixed to the outer wall of the second rotating rod, and the second rotating rod and the outer walls at both ends of the first rotating rod are rotatably connected to the frame through bearings.

[0008] Preferably, the positioning mechanism includes a support rod, the support rod is fixed to the outer wall of the disc, the end of the support rod is fixed to a bracket, the interior of the bracket is fixed to a fixing block, the interior of the bracket is threadedly connected to a screw, one end of the screw is fixed to a handle, the other end of the screw is rotatably connected to a clamping block through a bearing, and the outer wall of the clamping block is slidably connected to the bracket.

[0009] Preferably, a sliding rod is fixedly connected below the top plate, an outer wall of the sliding rod is slidably connected to a sleeve, and the sleeve is fixedly connected to the upper surface of the base.

[0010] Preferably, steel bars are arranged above the disc.

[0011] Preferably, a disc is fixedly connected to the upper ends of the second rotating rod and the first rotating rod.

[0012] The utility model provides a bending machine for steel bar processing, which has the beneficial effects of: through the cooperation among the motor, the worm, the worm wheel, the first rotating rod, the first gear, the second gear and the second rotating rod, the motor is started, the motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the first rotating rod to rotate, the first rotating rod drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the second rotating rod to rotate, the disks corresponding to the first rotating rod and the second rotating rod respectively rotate, the disk drives the pin rod to rotate, the two pin rods cooperate with the fixed rod to bend the steel bar, there is no certain limitation when bending the steel bar, and the steel bar can be bent to a required angle according to actual use requirements.

[0013] Through the cooperation between the support rod, bracket, fixed block, screw rod, handle and clamp block, the steel bar is placed above the two discs and between the clamp block and the fixed block. The handle is turned to drive the screw rod to rotate, and the screw rod drives the clamp block to slide. The clamp block and the fixed block fit with the outer wall of the steel bar to position the steel bar. The positioning mechanism positions the steel bar during the bending process to avoid displacement of the steel bar, which makes it easy to position the steel bar during the bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural sectional view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connection between the disc, the pin rod and the fixed rod in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the support rod, the bracket and the handle in the utility model.

[0018] In the figure: 1. base, 2. cylinder, 3. bending mechanism, 301. motor, 302. worm, 303. worm wheel, 304. first rotating rod, 305. first gear, 306. second gear, 307. second rotating rod, 3a1. protective plate, 4. positioning mechanism, 401. support rod, 402. bracket, 403. fixing block, 404. screw, 405. handle, 406. clamping block, 5. frame, 6. disc, 7. pin rod, 8. fixing rod, 9. top plate, 10. sliding rod, 11. sleeve, 12. steel bar. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Embodiment 1:

[0021] See attached Figure 1-4 : In the present embodiment, a bending machine for steel bar processing includes a base 1 and a cylinder 2, the cylinder 2 is fixedly connected to the upper surface of the base 1, the output end of the cylinder 2 is fixedly connected to a frame 5, a bending mechanism 3 is arranged inside the frame 5, the bending mechanism 3 bends the steel bar 12, a disc 6 is arranged above the frame 5, a positioning mechanism 4 is arranged on the outer wall of the disc 6, the positioning mechanism 4 positions the steel bar 12, a pin rod 7 is fixedly connected to the upper surface of the disc 6, the disc 6 drives the pin rod 7 to move, a fixing rod 8 is fixedly connected to the upper surface of the frame 5, the fixing rod 8 cooperates with two pin rods 7 to bend the steel bar 12, a top plate 9 is fixedly connected to the outer wall of the frame 5, a sliding rod 10 is fixedly connected to the bottom of the top plate 9, the outer wall of the sliding rod 10 is slidably connected to the sleeve 11, the sliding rod 10 and the sleeve 11 guide the movement of the top plate 9, the sleeve 11 is fixedly connected to the upper surface of the base 1, and a steel bar 12 is arranged above the disc 6.

[0022] The bending mechanism 3 includes a motor 301, a worm 302, a worm wheel 303, a first rotating rod 304, a first gear 305, a second gear 306 and a second rotating rod 307. The motor 301 is fixed to the outer wall of the frame 5. The output shaft of the motor 301 is fixedly connected to the worm 302. The motor 301 drives the worm 302 to rotate. The outer walls at both ends of the worm 302 are rotatably connected to the frame 5 through bearings. The worm 302 is meshed and connected with the worm wheel 303. The worm 302 drives the worm wheel 303 to rotate. The first rotating rod 304 is fixedly connected to the top of the worm wheel 303. The worm wheel 303 drives the first rotating rod 304 to rotate. 04 is fixedly connected with a first gear 305 on its outer wall, the first rotating rod 304 drives the first gear 305 to rotate, the first gear 305 is meshed and connected with the second gear 306, the first gear 305 drives the second gear 306 to rotate, the second gear 306 is fixedly connected with an outer wall of the second rotating rod 307, the second gear 306 drives the second rotating rod 307 to rotate, the outer walls of both ends of the second rotating rod 307 and the first rotating rod 304 are both rotatably connected with the frame 5 through bearings, the upper ends of the second rotating rod 307 and the first rotating rod 304 are fixedly connected with a disc 6, the second rotating rod 307 and the first rotating rod 304 respectively drive the corresponding disc 6 to rotate;

[0023] Start the motor 301, the motor 301 drives the worm 302 to rotate, the worm 302 drives the worm wheel 303 to rotate, the worm wheel 303 drives the first rotating rod 304 to rotate, the first rotating rod 304 drives the first gear 305 to rotate, the first gear 305 drives the second gear 306 to rotate, the second gear 306 drives the second rotating rod 307 to rotate, the disk 6 corresponding to the first rotating rod 304 and the second rotating rod 307 respectively rotates, the disk 6 drives the pin rod 7 to rotate, the two pin rods 7 cooperate with the fixed rod 8 to bend the steel bar 12, there is no certain limitation when bending the steel bar 12, and it is convenient to bend the steel bar 12 to a required angle according to actual usage requirements.

[0024] The positioning mechanism 4 includes a support rod 401, a bracket 402, a fixed block 403, a screw rod 404, a handle 405 and a clamping block 406. The support rod 401 is fixedly connected to the outer wall of the disc 6, and the disc 6 drives the support rod 401 to rotate. The end of the support rod 401 is fixedly connected to the bracket 402, and the support rod 401 drives the bracket 402 to move. The interior of the bracket 402 is fixedly connected to the fixed block 403, and the interior of the bracket 402 is threadedly connected to the screw rod 404. One end of the screw rod 404 is fixedly connected to the handle 405, and the handle 405 drives the screw 404 to rotate. The other end of the screw rod 404 is rotatably connected to the clamping block 406 through a bearing. The screw 404 drives the clamping block 406 to slide, and the outer wall of the clamping block 406 is slidably connected to the bracket 402;

[0025] The steel bar 12 is placed above the two discs 6, and the steel bar 12 is placed between the clamping block 406 and the fixing block 403. The handle 405 is turned, and the handle 405 drives the screw 404 to rotate. The screw 404 drives the clamping block 406 to slide. The clamping block 406 and the fixing block 403 fit with the outer wall of the steel bar 12 to position the steel bar 12. The positioning mechanism 4 positions the steel bar 12 during the bending process to prevent the steel bar 12 from being displaced, which facilitates the positioning of the steel bar during the bending process.

[0026] Working principle:

[0027] When the steel bar bending machine is in use, the cylinder 2 is started, and the cylinder 2 drives the frame 5 to move, so that the device is at a height convenient for operation, the steel bar 12 is placed above the two discs 6, and the steel bar 12 is placed between the clamping block 406 and the fixed block 403, the handle 405 is turned, the handle 405 drives the screw 404 to rotate, the screw 404 drives the clamping block 406 to slide, the clamping block 406 and the fixed block 403 fit with the outer wall of the steel bar 12, and the steel bar 12 is positioned, the motor 301 is started, the motor 301 drives the worm 302 to rotate, the worm 302 drives the worm wheel 303 to rotate, and the worm wheel 303 drives the first rotating rod 304 to rotate, The first rotating rod 304 drives the first gear 305 to rotate, the first gear 305 drives the second gear 306 to rotate, the second gear 306 drives the second rotating rod 307 to rotate, the disk 6 corresponding to the first rotating rod 304 and the second rotating rod 307 respectively rotates, the disk 6 drives the pin rod 7 to rotate, the two pin rods 7 cooperate with the fixed rod 8 to bend the steel bar 12, there is no certain limitation when bending the steel bar 12, it is convenient to bend the steel bar 12 to the required angle according to actual use requirements, the positioning mechanism 4 positions the steel bar 12 during the bending process to avoid displacement of the steel bar 12, and it is convenient to position the steel bar during the bending process.

[0028] Embodiment 2:

[0029] See attached Figure 1-4 : In this embodiment, a bending machine for steel bar processing, the bending mechanism 3 also includes a protective plate 3a1, the protective plate 3a1 is fixed to the surface of the frame 5 by bolts, and the protective plate 3a1 can be disassembled;

[0030] Through the function of the protective plate 3a1, the protective plate 3a1 can be easily disassembled by screwing the bolts on the surface of the protective plate 3a1, thereby facilitating the maintenance of the internal structure of the frame 5.

[0031] Working principle:

[0032] The protective plate 3a1 can be easily disassembled by tightening the bolts on the surface of the protective plate 3a1, thereby facilitating maintenance of the internal structure of the frame 5.

[0033] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A bending machine for steel bar processing, comprising a base (1) and a cylinder (2), wherein the cylinder (2) is fixedly connected to the upper surface of the base (1), characterized in that: The output end of the cylinder (2) is fixedly connected to a frame (5), a bending mechanism (3) is arranged inside the frame (5), a disc (6) is arranged above the frame (5), a positioning mechanism (4) is arranged on the outer wall of the disc (6), a pin rod (7) is fixedly connected to the upper surface of the disc (6), a fixing rod (8) is fixedly connected to the upper surface of the frame (5), a top plate (9) is fixedly connected to the outer wall of the frame (5), the bending mechanism (3) comprises a motor (301), the motor (301) is fixedly connected to the outer wall of the frame (5), and the output shaft of the motor (301) is fixedly connected to the worm (301). 2), the outer walls at both ends of the worm (302) are rotatably connected to the frame (5) through bearings, the worm (302) is meshingly connected to the worm wheel (303), a first rotating rod (304) is fixedly connected above the worm wheel (303), a first gear (305) is fixedly connected to the outer wall of the first rotating rod (304), the first gear (305) is meshingly connected to the second gear (306), the second gear (306) is fixedly connected to the outer wall of the second rotating rod (307), and the outer walls at both ends of the second rotating rod (307) and the first rotating rod (304) are rotatably connected to the frame (5) through bearings.

2. A steel bar bending machine according to claim 1, characterized in that: The positioning mechanism (4) comprises a support rod (401), wherein the support rod (401) is fixedly connected to the outer wall of the disc (6), the end of the support rod (401) is fixedly connected to a bracket (402), the interior of the bracket (402) is fixedly connected to a fixing block (403), the interior of the bracket (402) is threadedly connected to a screw rod (404), one end of the screw rod (404) is fixedly connected to a handle (405), the other end of the screw rod (404) is rotatably connected to a clamping block (406) via a bearing, and the outer wall of the clamping block (406) is slidably connected to the bracket (402).

3. A steel bar bending machine according to claim 2, characterized in that: A sliding rod (10) is fixedly connected below the top plate (9), and the outer wall of the sliding rod (10) is slidably connected to a sleeve (11), and the sleeve (11) is fixedly connected to the upper surface of the base (1).

4. A steel bar bending machine according to claim 3, characterized in that: A steel bar (12) is arranged above the disc (6).

5. A steel bar bending machine according to claim 4, characterized in that: The upper ends of the second rotating rod (307) and the first rotating rod (304) are both fixedly connected with a disc (6).

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