Clamping mechanism of high-speed rail box girder reinforcing rib bending machine

Abstract

A clamping assembly is arranged on the front side of the bending machine, a frame B is arranged on the front side of a frame A, connecting rods A are arranged on the left sides and the right sides of the lower portions of the frame A and the frame B respectively, connecting plates A are arranged on the left portions of the frame A and the frame B, connecting plates B are arranged on the right portions of the frame A and the frame B respectively, and connecting plates C are arranged on the left sides and the right sides of the lower portions of the frame A and the frame B respectively. A top plate is placed on the connecting plate A and the connecting plate B. A clamping air cylinder A and a clamping air cylinder B are arranged on the right portion of the upper surface of the top plate respectively. Sliding blocks A are arranged on the left side and the right side of the lower surface of the frame A respectively, and sliding blocks B are arranged on the left side and the right side of the lower surface of each frame B respectively. The guide rail A, the guide rail B and the rack are fixed to the upper surface of the frame X. The beneficial effect of the utility model is that the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to a clamping mechanism, in particular to a clamping mechanism of a bending machine for stiffeners of high-speed railway box girders. Background Technique

[0002] The stiffeners of high-speed railway box girders are special-shaped parts used inside the box girders to increase the structural strength of the box girders. At present, the existing method for processing the stiffeners of high-speed railway box girders is that workers take a single reinforcing bar, mark the bending positions on the reinforcing bar, and use a bending machine to complete each bending process of the reinforcing bar. The labor intensity of the workers is relatively high and the production efficiency is relatively low. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a clamping mechanism of a bending machine for stiffeners of high-speed railway box girders, which solves the problems that in the existing method for processing the stiffeners of high-speed railway box girders, workers take a single reinforcing bar, mark the bending positions on the reinforcing bar, and use a bending machine to complete each bending process of the reinforcing bar, resulting in relatively high labor intensity of the workers and relatively low production efficiency.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problems is as follows:

[0005] A clamping mechanism of a bending machine for stiffeners of high-speed railway box girders, comprising a frame X1 and a bending machine 2. Four bending machines 2 are evenly arranged on the upper surface of the frame X1 from back to front;

[0006] It also includes a clamping assembly 3, a guide rail A4, a guide rail B5, and a rack 6. The clamping assembly 3 is respectively arranged on the front side of each bending machine 2. The clamping assembly 3 includes a frame A301, a frame B302, a connecting rod A303, a connecting plate A304, a connecting plate B305, a connecting plate C306, a cylinder X307, a connecting plate D308, a reduction motor 309, a gear 310, a top plate 311, a clamping cylinder A312, a clamping cylinder B313, a clamping cylinder C314, a clamping cylinder D315, a slider A316, and a slider B317. The frame B302 is respectively arranged on the front side of each frame A301. The connecting rod A303 is respectively and fixedly arranged on the lower left and right sides of the adjacent frames A301 and B302. The connecting plate A304 is fixedly arranged on the left part of the adjacent frames A301 and B302. The connecting plate B305 is fixedly arranged on the right part of the adjacent frames A301 and B302. The connecting plate C306 is respectively and fixedly arranged on the lower left and right sides of the adjacent frames A301 and B302. The cylinder X307 is respectively and fixedly arranged on the upper surface of each connecting plate C306. The connecting plate D308 is fixedly arranged in the middle of the lower part of the adjacent frames A301 and B302. The reduction motor 309 is fixedly arranged on the connecting plate D308, and the main shaft of the reduction motor 309 rotates through the connecting plate D308. The gear 310 is fixedly arranged at the end of the main shaft of the reduction motor 309. The top plate 311 is placed on the adjacent connecting plates A304 and B305, and the end of the main shaft of each cylinder X307 is respectively fixedly connected to the adjacent top plate 311. The clamping cylinder A312 and the clamping cylinder B313 are respectively and fixedly arranged on the right part of the upper surface of each top plate 311. The clamping cylinder C314 and the clamping cylinder D315 are respectively and fixedly arranged in the middle of the upper surface of each top plate 311. The slider A316 is respectively and fixedly arranged on the lower left and right sides of each frame A301. The guide rail A4 is respectively and slidably engaged with each adjacent slider A316. The slider B317 is respectively and fixedly arranged on the lower left and right sides of each frame B302. The guide rail B5 is respectively and slidably engaged with each adjacent slider B317. The rack 6 is arranged between the adjacent guide rails A4 and B5, and the adjacent gear 310 is engaged with the rack 6. Each of the guide rails A4, B5, and the rack 6 is fixedly connected to the upper surface of the frame X1.

[0007] The slider C7 is respectively and fixedly arranged on the upper part of the left side wall of each connecting plate B305. The guide rail C8 is respectively and slidably engaged with each slider C7, and each guide rail C8 is respectively fixedly connected to the lower surface of the adjacent top plate 311. The stability of the operation of the top plate 311 is increased through the slider C7 and the guide rail C8.

[0008] The ends of the main shafts of the adjacent clamping cylinders A312 and B313 are arranged oppositely, which is convenient for clamping the steel bars through the clamping cylinders A312 and B313.

[0009] The spindle ends of adjacent clamping cylinders C314 and D315 are arranged opposite to each other, facilitating the clamping of steel bars by clamping cylinders C314 and D315.

[0010] The working principle of the present utility model: A single steel bar to be processed falls between adjacent clamping cylinders A and B. At the same time, clamping cylinders A and B are lifted, and clamping cylinders A and B clamp the steel bar. Then, cylinders X are lifted, and cylinders X drive the top plate to move upward. The top plate drives clamping cylinders A, B, C, and D to move upward to an appropriate height. During this process, the top plate drives guide rail C to slide along slider C, and the lifting of cylinders X stops;

[0011] The reduction motor is started clockwise. The main shaft of the reduction motor drives the gear to rotate. The gear runs leftward along the rack. The gear drives the reduction motor, and the reduction motor drives connecting plate D. Connecting plate D drives frame A and frame B. Frame A and frame B indirectly drive clamping cylinders A and B. Clamping cylinders A and B drive the steel bar to move leftward to an appropriate position above the bending machine, and the rotation of the reduction motor stops;

[0012] Cylinders X are retracted. Cylinders X drive the top plate to move downward. The top plate drives clamping cylinders A, B, C, and D to move downward to an appropriate height. The steel bar falls onto the bending machine accordingly. The retraction of cylinders X stops. Clamping cylinders A and B are contracted, and clamping cylinders A and B release the steel bar. Cylinders X continue to contract to drive the top plate to fall to an appropriate position, and the contraction of cylinders X stops. During this process, the top plate drives guide rail C to slide along slider C;

[0013] The reduction motor is started counterclockwise. The main shaft of the reduction motor drives the gear to rotate. The gear runs rightward along the rack. The gear drives the reduction motor, and the reduction motor drives connecting plate D. Connecting plate D drives frame A and frame B. Frame A and frame B indirectly drive clamping cylinders A and B. Clamping cylinders A and B drive the steel bar to move rightward to the initial position, and the rotation of the reduction motor stops;

[0014] Cylinders X are lifted. Cylinders X drive the top plate to move upward. The top plate drives clamping cylinders A, B, C, and D to move upward until the steel bar is located between clamping cylinders C and D. During this process, the top plate drives guide rail C to slide along slider C, and the lifting of cylinders X stops;

[0015] Lift the adjacent clamping cylinders C and D as needed, clamp the steel bars, and cooperate with each bending machine to work. After the work is completed, lift each cylinder X. Each cylinder X drives the top plate to move upward. The top plate drives the clamping cylinders A, B, C, and D to move upward. The clamping cylinders C and D drive the steel bars to move upward to a suitable position. During this process, the top plate drives the guide rail C to slide along the slider C. Stop lifting each cylinder X;

[0016] Start the reduction motor clockwise. The main shaft of the reduction motor drives the gear to rotate. The gear runs leftward along the rack. The gear drives the reduction motor. The reduction motor drives the connecting plate D. The connecting plate D drives the frames A and B. The frames A and B indirectly drive the clamping cylinders C and D. The clamping cylinders C and D drive the steel bars to move leftward to a suitable position. Stop the reduction motor from rotating. Retract the clamping cylinders C and D and take away the processed steel bars;

[0017] Retract each cylinder X. Each cylinder X drives the top plate to move downward. The top plate drives the clamping cylinders A, B, C, and D to move downward to the initial position. Stop retracting each cylinder X. During this process, the top plate drives the guide rail C to slide along the slider C;

[0018] Start the reduction motor counterclockwise. The main shaft of the reduction motor drives the gear to rotate. The gear runs rightward along the rack. The gear drives the reduction motor. The reduction motor drives the connecting plate D. The connecting plate D drives the frames A and B. The frames A and B indirectly drive the directly or indirectly connected components to move rightward to the initial position. Stop the reduction motor from rotating.

[0019] The beneficial effects of the present utility model are as follows: 1. Reduce the labor intensity of workers and improve production efficiency. 2. Increase the running stability of the top plate through the slider C and the guide rail C. 3. Facilitate clamping the steel bars by the clamping cylinders A and B. 4. Facilitate clamping the steel bars by the clamping cylinders C and D. Description of the Drawings

[0020] Figure 1 is the usage scenario diagram of the present utility model;

[0021] Figure 2 is the structural schematic diagram of the present utility model;

[0022] Figure 3 is the structural schematic diagram of the frame A of the present utility model;

[0023] Figure 4 is the structural schematic diagram of the frame B of the present utility model;

[0024] Figure 5 is the bottom view of the present utility model.

[0025] Among them, 1 - Frame X; 2 - Bending machine; 3 - Clamping assembly, 301 - Frame A, 302 - Frame B, 303 - Connecting rod A, 304 - Connecting plate A, 305 - Connecting plate B, 306 - Connecting plate C, 307 - Cylinder X, 308 - Connecting plate D, 309 - Reducing motor, 310 - Gear, 311 - Top plate, 312 - Clamping cylinder A, 313 - Clamping cylinder B, 314 - Clamping cylinder C, 315 - Clamping cylinder D, 316 - Slide block A, 317 - Slide block B; 4 - Guide rail A; 5 - Guide rail B; 6 - Rack; 7 - Slide block C; 8 - Guide rail C. Detailed implementation mode

[0026] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0027] As Figure 1 shown, the present invention provides a clamping mechanism for a reinforcing bar bending machine of a high - speed railway box girder, including a frame X1 and a bending machine 2. Four bending machines 2 are evenly arranged on the upper surface of the frame X1 from back to front;

[0028] Specifically, as Figures 2 to 5As shown in the figure, in this embodiment, it further includes a clamping assembly 3, a guide rail A 4, a guide rail B 5, and a rack 6. The clamping assemblies 3 are respectively arranged on the front sides of the bending machines 2. The clamping assembly 3 includes a frame A 301, a frame B 302, a connecting rod A 303, a connecting plate A 304, a connecting plate B 305, a connecting plate C 306, a cylinder X 307, a connecting plate D 308, a reduction motor 309, a gear 310, a top plate 311, a clamping cylinder A 312, a clamping cylinder B 313, a clamping cylinder C 314, a clamping cylinder D 315, a slider A 316, and a slider B 317. The frame B 302 is respectively arranged on the front sides of the frames A 301. The connecting rod A 303 is respectively and fixedly arranged on the lower left and right sides of the adjacent frames A 301 and frame B 302. The connecting plate A 304 is fixedly arranged on the left parts of the adjacent frames A 301 and frame B 302. The connecting plate B 305 is fixedly arranged on the right parts of the adjacent frames A 301 and frame B 302. The connecting plate C 306 is respectively and fixedly arranged on the lower left and right sides of the adjacent frames A 301 and frame B 302. The cylinder X 307 is respectively and fixedly arranged on the upper surfaces of the connecting plates C 306. The connecting plate D 308 is fixedly arranged in the middle of the lower parts of the adjacent frames A 301 and frame B 302. The reduction motor 309 is fixedly arranged on the connecting plate D 308, and the main shaft of the reduction motor 309 rotates through the connecting plate D 308. The gear 310 is fixedly arranged at the end of the main shaft of the reduction motor 309. The top plate 311 is placed on the adjacent connecting plates A 304 and connecting plate B 305, and the end of the main shaft of each cylinder X 307 is respectively fixedly connected with the adjacent top plate 311. The clamping cylinder A 312 and the clamping cylinder B 313 are respectively fixedly arranged on the right parts of the upper surfaces of the top plates 311. The clamping cylinder C 314 and the clamping cylinder D 315 are respectively fixedly arranged in the middle of the upper surfaces of the top plates 311. The slider A 316 is respectively and fixedly arranged on the lower left and right sides of the lower surfaces of the frames A 301. The guide rail A 4 is respectively and slidably matched with the adjacent sliders A 316. The slider B 317 is respectively and fixedly arranged on the lower left and right sides of the lower surfaces of the frames B 302. The guide rail B 5 is respectively and slidably matched with the adjacent sliders B 317. The rack 6 is arranged between the adjacent guide rails A 4 and guide rail B 5, and the adjacent gear 310 is meshed with the rack 6. The guide rail A 4, the guide rail B 5, and the rack 6 are respectively fixedly connected with the upper surface of the frame X1.

[0029] At the same time, as Figure 2 shown in the figure, in this embodiment, the slider C 7 is respectively and fixedly arranged on the upper parts of the left side walls of the connecting plates B 305. The guide rail C 8 is respectively and slidably matched with the slider C 7, and the guide rail C 8 is respectively fixedly connected with the lower surface of the adjacent top plate 311. The stability of the operation of the top plate 311 is increased through the slider C 7 and the guide rail C 8.

[0030] At the same time, as Figures 1 to 2As shown, in this embodiment, the spindle ends of adjacent clamping cylinders A312 and clamping cylinders B313 are arranged opposite to each other, facilitating the clamping of steel bars by the clamping cylinders A312 and clamping cylinders B313.

[0031] Meanwhile, as Figures 1 to 2 shown, in this embodiment, the spindle ends of adjacent clamping cylinders C314 and clamping cylinders D315 are arranged opposite to each other, facilitating the clamping of steel bars by the clamping cylinders C314 and clamping cylinders D315.

[0032] The working principle of this specific embodiment: A single steel bar to be processed falls between adjacent clamping cylinders A312 and clamping cylinders B313. At the same time, the clamping cylinders A312 and clamping cylinders B313 are lifted, and the clamping cylinders A312 and clamping cylinders B313 clamp the steel bar. Then, each cylinder X307 is lifted. Each cylinder X307 drives the top plate 311 to move upward. The top plate 311 drives the clamping cylinders A312, clamping cylinders B313, clamping cylinders C314, and clamping cylinders D315 to move upward to an appropriate height. During this process, the top plate 311 drives the guide rail C8 to slide along the slider C7, and the lifting of each cylinder X307 is stopped;

[0033] The reduction motor 309 is started clockwise. The spindle of the reduction motor 309 drives the gear 310 to rotate. The gear 310 runs leftward along the rack 6. The gear 310 drives the reduction motor 309. The reduction motor 309 drives the connecting plate D308. The connecting plate D308 drives the frame A301 and frame B302. The frame A301 and frame B302 indirectly drive the clamping cylinders A312 and clamping cylinders B313. The clamping cylinders A312 and clamping cylinders B313 drive the steel bar to move leftward to an appropriate position above the bending machine 2, and the rotation of the reduction motor 309 is stopped;

[0034] Each cylinder X307 is retracted. Each cylinder X307 drives the top plate 311 to move downward. The top plate 311 drives the clamping cylinders A312, clamping cylinders B313, clamping cylinders C314, and clamping cylinders D315 to move downward to an appropriate height. The steel bar falls onto the bending machine 2 in cooperation. The retraction of each cylinder X307 is stopped. The clamping cylinders A312 and clamping cylinders B313 are contracted. The clamping cylinders A312 and clamping cylinders B313 release the steel bar. The contraction of each cylinder X307 continues to drive the top plate 311 to fall to an appropriate position, and the contraction of each cylinder X307 is stopped. During this process, the top plate 311 drives the guide rail C8 to slide along the slider C7;

[0035] Start the reduction motor 309 counterclockwise. The main shaft of the reduction motor 309 drives the gear 310 to rotate. The gear 310 runs to the right along the rack 6. The gear 310 drives the reduction motor 309. The reduction motor 309 drives the connecting plate D308. The connecting plate D308 drives the frame A301 and the frame B302. The frame A301 and the frame B302 indirectly drive the clamping cylinder A312 and the clamping cylinder B313. The clamping cylinder A312 and the clamping cylinder B313 drive the steel bar to run to the initial position to the right, and stop the rotation of the reduction motor 309;

[0036] Lift each cylinder X307. Each cylinder X307 drives the top plate 311 to run upward. The top plate 311 drives the clamping cylinder A312, the clamping cylinder B313, the clamping cylinder C314, and the clamping cylinder D315 to move upward until the steel bar is located between the clamping cylinder C314 and the clamping cylinder D315. During this process, the top plate 311 drives the guide rail C8 to slide along the slider C7, and stop lifting each cylinder X307;

[0037] Lift the adjacent clamping cylinders C314 and D315 as needed to clamp the steel bar and cooperate with each bending machine 2 to work. After the work is completed, lift each cylinder X307. Each cylinder X307 drives the top plate 311 to run upward. The top plate 311 drives the clamping cylinder A312, the clamping cylinder B313, the clamping cylinder C314, and the clamping cylinder D315 to move upward. The clamping cylinder C314 and the clamping cylinder D315 drive the steel bar to move upward to a suitable position. During this process, the top plate 311 drives the guide rail C8 to slide along the slider C7, and stop lifting each cylinder X307;

[0038] Start the reduction motor 309 clockwise. The main shaft of the reduction motor 309 drives the gear 310 to rotate. The gear 310 runs to the left along the rack 6. The gear 310 drives the reduction motor 309. The reduction motor 309 drives the connecting plate D308. The connecting plate D308 drives the frame A301 and the frame B302. The frame A301 and the frame B302 indirectly drive the clamping cylinder C314 and the clamping cylinder D315. The clamping cylinder C314 and the clamping cylinder D315 drive the steel bar to move to the left to a suitable position, stop the rotation of the reduction motor 309, contract the clamping cylinder C314 and the clamping cylinder D315, and take away the processed steel bar;

[0039] Retract each cylinder X307. Each cylinder X307 drives the top plate 311 to run downward. The top plate 311 drives the clamping cylinder A312, the clamping cylinder B313, the clamping cylinder C314, and the clamping cylinder D315 to move downward to the initial position, and stop retracting each cylinder X307. During this process, the top plate 311 drives the guide rail C8 to slide along the slider C7;

[0040] Start the reduction motor 309 counterclockwise. The main shaft of the reduction motor 309 drives the gear 310 to rotate. The gear 310 runs to the right along the rack 6. The gear 310 drives the reduction motor 309. The reduction motor 309 drives the connecting plate D308. The connecting plate D308 drives the frame A301 and the frame B302. The frame A301 and the frame B302 indirectly drive the directly or indirectly connected components to run to the initial position to the right, and stop the rotation of the reduction motor 309;

[0041] In summary, when in use, the clamping assembly 3, the guide rail A4, the guide rail B5, the rack 6, the slider C7, and the guide rail C8 are assembled into the clamping mechanism of the bending machine for the stiffeners of the high-speed rail box girder. The clamping mechanism of the bending machine for the stiffeners of the high-speed rail box girder reduces the labor intensity of the staff and improves the production efficiency.

[0042] The beneficial effects of the present utility model are as follows: 1. Reduce the labor intensity of the staff and improve the production efficiency. 2. Increase the stability of the top plate operation through the slider C and the guide rail C. 3. Facilitate clamping the steel bars through the clamping cylinder A and the clamping cylinder B. 4. Facilitate clamping the steel bars through the clamping cylinder C and the clamping cylinder D.

[0043] The specific embodiments of the present utility model do not constitute a limitation to the present utility model. Any similar structures and variations using the present utility model are within the protection scope of the present utility model.

Claims

1. A clamping mechanism for a reinforcing rib bending machine of a high-speed railway box girder, comprising a frame X (1) and a bending machine (2). Four bending machines (2) are evenly arranged on the upper surface of the frame X (1) from back to front; It is characterized in that: It also includes a clamping assembly (3), a guide rail A (4), a guide rail B (5), and a rack (6). A clamping assembly (3) is respectively arranged on the front side of each bending machine (2). The clamping assembly (3) includes a frame A (301), a frame B (302), a connecting rod A (303), a connecting plate A (304), a connecting plate B (305), a connecting plate C (306), a cylinder X (307), a connecting plate D (308), a reduction motor (309), a gear (310), a top plate (311), a clamping cylinder A (312), a clamping cylinder B (313), a clamping cylinder C (314), a clamping cylinder D (315), a slider A (316), and a slider B (317). A frame B (302) is respectively arranged on the front side of each frame A (301). Connecting rods A (303) are respectively and fixedly arranged on the lower left and right sides of adjacent frames A (301) and frame B (302). A connecting plate A (304) is fixedly arranged on the left part of adjacent frames A (301) and frame B (302). A connecting plate B (305) is fixedly arranged on the right part of adjacent frames A (301) and frame B (302). Connecting plates C (306) are respectively and fixedly arranged on the lower left and right sides of adjacent frames A (301) and frame B (302). Cylinders X (307) are respectively and fixedly arranged on the upper surfaces of the respective connecting plates C (306). A connecting plate D (308) is fixedly arranged in the middle of the lower parts of adjacent frames A (301) and frame B (302). A reduction motor (309) is fixedly arranged on the connecting plate D (308), and the main shaft of the reduction motor (309) rotates through the connecting plate D (308). A gear (310) is fixedly arranged at the end of the main shaft of the reduction motor (309). A top plate (311) is placed on adjacent connecting plates A (304) and connecting plate B (305), and the end of the main shaft of each cylinder X (307) is respectively fixedly connected to the adjacent top plate (311). Clamping cylinders A (312) and clamping cylinders B (313) are respectively and fixedly arranged on the right parts of the upper surfaces of the respective top plates (311). Clamping cylinders C (314) and clamping cylinders D (315) are respectively and fixedly arranged in the middle of the upper surfaces of the respective top plates (311). Sliders A (316) are respectively and fixedly arranged on the lower left and right sides of each frame A (301), and each adjacent slider A (316) is slidably engaged with a guide rail A (4). Sliders B (317) are respectively and fixedly arranged on the lower left and right sides of each frame B (302), and each adjacent slider B (317) is slidably engaged with a guide rail B (5). A rack (6) is arranged between adjacent guide rails A (4) and guide rail B (5), and the adjacent gear (310) is engaged with the rack (6). Each of the guide rails A (4), guide rail B (5), and rack (6) is fixedly connected to the upper surface of the frame X (1).

2. The clamping mechanism of a stiffener bender for high-speed railway box girders according to claim 1, characterized in that: On the upper parts of the left side walls of the connecting plates B (305), sliders C (7) are respectively and fixedly arranged, and guide rails C (8) are respectively in sliding fit with the sliders C (7), and the guide rails C (8) are respectively fixedly connected to the lower surfaces of the adjacent top plates (311).

3. The clamping mechanism of a stiffener bender for high-speed railway box girders according to claim 1, characterized in that: The spindle ends of adjacent clamping cylinders A (312) and clamping cylinders B (313) are arranged opposite to each other.

4. The clamping mechanism of a stiffener bender for high-speed railway box girders as claimed in claim 1, characterized in that: The spindle ends of adjacent clamping cylinders C (314) and clamping cylinders D (315) are arranged opposite to each other.

Images