CN107737857B - Reinforcing steel bar straightening machine for building construction - Google Patents

Abstract

The present invention discloses a steel bar straightening machine for construction, including a material preparation mechanism and a straightening mechanism; the material preparation mechanism includes a support platform, a turntable is provided above the support platform, a vertically arranged material preparation plate is fixed on the turntable, a horizontally arranged material preparation shaft is fixed on the front of the material preparation plate, a crossbeam arm is provided on the top of the material preparation plate, and a movable lifting device is provided on the crossbeam arm; the straightening mechanism includes a straightening machine body fixedly connected to the support platform through a connecting screw, a feed port is provided on one side of the straightening machine body close to the material preparation mechanism, and a shearing mechanism for shearing the straightened steel bars is provided on the other side; a longitudinal straightening unit and a transverse straightening unit are provided in the straightening machine body. The straightening machine of the present invention greatly reduces the labor intensity of workers, changes the straightening mode of the existing straightening machine, can prevent the steel bars from rolling during the straightening operation, greatly reduces the occupied area, has high straightening efficiency, can also level the steel plates, and increases the versatility of the device.

Description

A steel bar straightening machine for construction

Technical Field

The invention relates to the technical field of steel bar straightening, in particular to a steel bar straightening machine for building construction.

Background Art

During transportation, steel bars are often coiled for transportation for convenience. They are generally straightened by a straightening machine before use. Existing straightening machines place the steel bars horizontally on a turntable for straightening, which greatly increases the labor intensity of workers and makes it impossible for one person to complete the work independently. The straightening efficiency is low, and the steel bars are prone to rolling during rotation, posing a great safety hazard. At the same time, only the steel bars can be straightened, but the steel plates cannot be leveled. In view of the above situation, an efficient steel bar straightening machine for construction is invented.

Summary of the invention

In view of the above problems, the purpose of the present invention is to provide a high-efficiency steel bar straightening machine for construction that can greatly reduce labor intensity, reduce manpower input, improve work efficiency, and reduce safety hazards. The technical solution is as follows:

A steel bar straightening machine for construction, comprising a material preparation mechanism and a straightening mechanism; the material preparation mechanism comprises a support platform, a turntable is provided above the support platform, a vertically arranged material preparation plate is fixed on the turntable, a horizontally arranged material preparation shaft is fixed on the front of the material preparation plate, a crossbeam arm is provided on the top of the material preparation plate, and a movable lifting device is provided on the crossbeam arm; the straightening mechanism comprises a straightening machine main body fixedly connected to the support platform by a connecting screw, a material feed port is provided on the side of the straightening machine main body close to the material preparation mechanism, and a shearing mechanism for shearing the straightened steel bars is provided on the other side; a longitudinal straightening unit and a transverse straightening unit are provided in the straightening machine main body.

Furthermore, the longitudinal straightening unit includes an upper longitudinal straightening roller group and a lower longitudinal straightening roller group; the upper longitudinal straightening roller group includes a plurality of straightening rollers arranged in parallel and whose bearings are perpendicular to the steel bars to be straightened, and is fixed to the top wall of the straightening machine body by a second hydraulic telescopic column; the lower longitudinal straightening roller group also includes a plurality of straightening rollers arranged in parallel and whose bearings are perpendicular to the steel bars to be straightened, and is driven by a first motor; the straightening rollers of the upper longitudinal straightening roller group and the lower longitudinal straightening roller group have roller surfaces facing each other and are staggered one by one.

Furthermore, the transverse straightening unit includes an upper transverse straightening roller group and a lower transverse straightening roller group. The upper transverse straightening roller group includes a plurality of rows of straightening rollers whose bearings are parallel to the steel bars to be straightened, and is fixed to the top wall of the straightening machine body through a third hydraulic telescopic column; the lower transverse straightening roller group also includes a plurality of rows of straightening rollers whose bearings are parallel to the steel bars to be straightened, and is driven by a second motor; the straightening rollers of the upper transverse straightening roller group and the lower transverse straightening roller group have roller surfaces facing each other and are arranged one by one opposite to each other.

Furthermore, two adjacent rows of straightening rollers are connected via a linkage shaft, and the second motor drives the linkage shaft via a second chain.

Furthermore, a support column is provided below the support platform, a universal wheel is provided at the bottom of the support column, and a first hydraulic telescopic column is provided at the top.

Furthermore, it also includes a bracket for supporting the preparation board, the lower end of the bracket is fixed to the upper surface of the support plate through a limit block, and the top end is fixed to the back of the preparation board.

Furthermore, a vertical first hydraulic track is provided inside the material preparation plate, a first sliding block is provided inside the first hydraulic track, and the material preparation shaft is fixed on the first sliding block.

Furthermore, the movable lifting device includes a slide groove arranged on the crossbeam arm, a horizontal first pulley group is arranged in the slide groove, the first pulley group is connected to a vertical second pulley group through a steel wire rope, and a hook is fixed to the end of the steel wire rope.

Furthermore, the shearing mechanism includes a shearing box at the end of the straightening machine body, a second hydraulic track is provided on the top of the shearing box parallel to the direction of the straightened steel bars, a second slider is provided in the second hydraulic track, a vertical fourth hydraulic telescopic column is provided on the second slider, a third motor is fixed to the end of the fourth hydraulic telescopic column, and the third motor drives the cutting knife through the second rotating shaft to complete the shearing of the straightened steel bars.

The beneficial effects of the present invention are as follows: the straightening machine of the present invention greatly reduces the labor intensity of workers, and only one person is needed to independently complete the straightening operation, thereby changing the straightening mode of the existing straightening machine. By placing the steel bars to be straightened and the steel bars being straightened in mutually perpendicular positions, the steel bars to be straightened are rotated as the straightening operation proceeds, thereby preventing the steel bars from rolling during the straightening operation. Straightening is performed under the action of centrifugation and torque, thereby greatly reducing the footprint of the device, while having a higher straightening efficiency, and being able to level the steel plates, thereby increasing the versatility of the device.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a steel bar straightening machine for construction of the present invention.

FIG. 2 is an enlarged schematic diagram of the structure at point A in FIG. 1 .

FIG3 is a side structural diagram of the material preparation mechanism in the steel bar straightening machine for construction of the present invention.

FIG. 4 is a schematic diagram of the top view of the lower longitudinal straightening roller group of the steel bar straightening machine for construction of the present invention.

FIG. 5 is a schematic diagram of the top view of the structure of the transverse straightening roller group on the steel bar straightening machine for construction of the present invention.

FIG. 6 is an enlarged structural schematic diagram of point B in FIG. 1 of the present invention.

In the figure: 1- material preparation mechanism; 2- support column; 3- universal wheel; 4- first hydraulic telescopic column; 5- support plate; 6- connecting screw; 7- turntable; 8- material preparation plate; 9- first hydraulic track; 10- first slider; 11- material preparation shaft; 12- bracket; 13- limit block; 14- hydraulic telescopic rod; 15- first rotating shaft; 16- crossbeam arm; 17- slideway; 18- first pulley block; 19- wire rope; 20- hook; 21- second pulley block; 22- screw connection lock; 23- first motor; 24- straightening machine body; 25- feed inlet; 26- second hydraulic telescopic column; 27- upper longitudinal straightening roller Group; 28-lower longitudinal straightening roller group; 2801-longitudinal straightening roller; 2802-bearing; 2803-belt; 29-first chain; 30-second motor; 31-lower transverse straightening roller group; 32-third hydraulic telescopic column; 33-hydraulic pump; 34-upper transverse straightening roller group; 3401-left transverse straightening roller; 3402-linking shaft; 3403-second chain; 3404-right transverse straightening roller; 3405-pressure plate; 35-shear box; 36-second hydraulic rail; 37-second slider; 38-fourth hydraulic telescopic column; 39-third motor; 40-second rotating shaft; 41-cutting knife.

DETAILED DESCRIPTION

The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. As shown in FIG1 , a steel bar straightening machine for construction includes a material preparation mechanism 1 and a straightening mechanism; the material preparation mechanism includes a support plate 5, a turntable 7 is provided above the support plate 5, a vertically arranged material preparation plate 8 is fixed on the turntable 7, a horizontally arranged material preparation shaft 11 is fixed on the front of the material preparation plate 8, a crossbeam arm 16 is provided on the top of the material preparation plate 8, and a movable lifting device is provided on the crossbeam arm 16. A vertical first hydraulic rail 9 is provided inside the material preparation plate 8, a first slider 10 is provided inside the first hydraulic rail 9, and the material preparation shaft 11 is fixed on the first slider 10.

As shown in FIG2 , the movable lifting device includes a slide groove 17 arranged on the cross beam arm 16 , in which a horizontal first pulley block 18 is arranged. The first pulley block 18 is connected to a vertical second pulley block 21 through a steel wire rope 19 , and a hook 20 is fixed at the end of the steel wire rope 19 .

As shown in Fig. 3, a support column 2 is provided below the support plate 5, a universal wheel 3 is provided at the bottom of the support column 2, and a first hydraulic telescopic column 4 is provided at the top. A bracket 12 for supporting the stock preparation plate 8 is also included, the lower end of the bracket 12 is fixed to the upper surface of the support plate 5 through a limit block 13, and the top end is fixed to the back of the stock preparation plate 8.

The straightening mechanism of this embodiment includes a straightening machine body 24 fixedly connected to the support plate 5 by a connecting screw 6, a feed port 25 is provided on one side of the straightening machine body 24 close to the material preparation mechanism, and a shearing mechanism for shearing the straightened steel bars is provided on the other side; a longitudinal straightening unit and a transverse straightening unit are provided in the straightening machine body 24.

The longitudinal straightening unit of this embodiment includes an upper longitudinal straightening roller group 27 and a lower longitudinal straightening roller group 28; the upper longitudinal straightening roller group 27 includes a plurality of straightening rollers arranged in parallel and whose bearings are perpendicular to the steel bars to be straightened, and is fixed to the top wall of the straightening machine body 24 through a second hydraulic telescopic column 26; the lower longitudinal straightening roller group 28 also includes a plurality of straightening rollers arranged in parallel and whose bearings are perpendicular to the steel bars to be straightened, and is driven by a first motor 23; the straightening rollers of the upper longitudinal straightening roller group 27 and the lower longitudinal straightening roller group 28 are arranged with their roller surfaces facing each other and staggered one by one. As shown in FIG4 , the lower longitudinal straightening roller group 28 of this embodiment includes a longitudinal straightening roller 2801, a bearing 2802 and a belt 2803, and there are three longitudinal straightening rollers 2801 evenly arranged in the horizontal direction, and bearings 2802 are fixed at both ends of the longitudinal straightening roller 2801, and the longitudinal straightening rollers 2801 are rotatably connected through bearings 2802 and belts 2803. The upper longitudinal straightening roller group 27 and the lower longitudinal straightening roller group 28 have the same structure and constitute a straightening structure, and there are two groups of them. At the same time, each group is symmetrically distributed about the central axis of the straightening machine body 24. The upper longitudinal straightening roller group 27 and the lower longitudinal straightening roller group 28 cooperate with each other to apply a longitudinal pressure to the steel bars or steel plates.

The transverse straightening unit of this embodiment includes an upper transverse straightening roller group 34 and a lower transverse straightening roller group 31. The upper transverse straightening roller group 34 includes a plurality of rows of straightening rollers whose bearings are parallel to the steel bars to be straightened, and is fixed to the top wall of the straightening machine body 24 through a third hydraulic telescopic column 32; the lower transverse straightening roller group 31 also includes a plurality of rows of straightening rollers whose bearings are parallel to the steel bars to be straightened, and is driven by a second motor 30; the straightening rollers of the upper transverse straightening roller group 34 and the lower transverse straightening roller group 31 are arranged opposite to each other with their roller surfaces facing each other. Two adjacent rows of straightening rollers are connected by a linkage shaft 3402, and the second motor 30 drives the linkage shaft 3402 through a second chain 3403. The upper transverse straightening roller group 34 of the present embodiment includes a left transverse straightening roller 3401, a linkage shaft 3402, a second chain 3403, a right transverse straightening roller 3404 and a pressure plate 3405. The left transverse straightening roller 3401 is connected to the right transverse straightening roller 3404 through the linkage shaft 3402, and the linkage shafts 3402 are connected to each other through the second chain 3403. At the same time, the left side of the left transverse straightening roller 3401 and the right side of the right transverse straightening roller 3404 are fixed with pressure plates 3405. The transverse straightening roller 3401 and the right transverse straightening roller 3404 constitute a transverse straightening structure, and there are three groups of them horizontally arranged in the longitudinal direction. The second motor 30 is rotatably connected to the left transverse straightening roller 3401 and the right transverse straightening roller 3404 through the first chain 29 and the linkage shaft 3402, respectively. The upper transverse straightening roller group 34 and the lower transverse straightening roller group 31 cooperate with each other to use the left transverse straightening roller 3401 and the right transverse straightening roller 3404 to apply transverse pressure to the steel plate or steel bar to straighten it.

The shearing mechanism of this embodiment includes a shearing box 35 located at the end of the straightening machine body 24. A second hydraulic track 36 is provided on the top of the shearing box 35 parallel to the direction of the straightened steel bars. A second slider 37 is provided in the second hydraulic track 36. A vertical fourth hydraulic telescopic column 38 is provided on the second slider 37. A third motor 39 is fixed to the end of the fourth hydraulic telescopic column 38. The third motor 39 drives the cutting knife 41 through the second rotating shaft 40 to complete the shearing of the straightened steel bars.

Working principle: When using the high-efficiency steel bar straightening machine for construction, the material preparation mechanism first forms a lifting device through the first hydraulic telescopic column 4 and the support plate 5. The material preparation mechanism can move up and down under the action of the first hydraulic telescopic column 4, so that the device can prepare the steel bars more flexibly and conveniently. Since the cross beam arm 16 is a horizontal "L"-shaped structure, and the cross beam arm 16 forms a rotating structure with the material preparation plate 8 through the first rotating shaft 15, and the cross beam arm 16 forms a sliding structure with the first pulley group 18 through the slide groove 17, the cross beam arm 16 can rotate, and the heavier steel bars can be lifted by the hook 20 and the second The pulley block 21 is used for hoisting, and the steel bar is hoisted on the preparation shaft 11 by the movement of the first pulley block 18 inside the slide 17. The preparation mechanism is connected to the straightening machine body 24 through the connecting screw 6 and the screw connecting lock 22, and the connecting screw 6 and the screw connecting lock 22 are detachable structures. The connecting screw 6 and the screw connecting lock 22 can fix the preparation mechanism and the straightening machine body 24, and the distance between the two can also be adjusted by the connecting screw 6. Then the steel bar can enter the interior of the straightening machine body 24 from the feed port 25. Due to the structure of the upper longitudinal straightening roller group 27 and the lower longitudinal straightening roller group 28 The same and constitute a group of straightening structures, and there are 2 groups of them, and each group is symmetrically distributed about the central axis of the straightening machine body 24, the upper longitudinal straightening roller group 27 and the lower longitudinal straightening roller group 28 cooperate with each other to apply a longitudinal pressure to the steel bar or steel plate, the second hydraulic telescopic column 26 provides power for the upper longitudinal straightening roller group 27, the left transverse straightening roller 3401 and the right transverse straightening roller 3404 constitute a group of transverse straightening structures, and there are 3 groups of them horizontally arranged in the longitudinal direction, and the second motor 30 is respectively connected to the left transverse straightening roller 3401 and the right transverse straightening roller through the first chain 29 and the linkage shaft 3402 3404 is rotatably connected, the upper transverse straightening roller group 34 and the lower transverse straightening roller group 31 cooperate with each other to use the left transverse straightening roller 3401 and the right transverse straightening roller 3404 to apply transverse pressure to the steel plate or steel bar for straightening, and then straighten it under the action of the upper longitudinal straightening roller group 27 and the lower longitudinal straightening roller group 28, and finally enter the interior of the shear box 35, the third motor 39 drives the cutting knife 41 through the second rotating shaft 40 to cut the steel bar or steel plate, and the fourth hydraulic telescopic column 38 applies downward pressure to the cutting knife 41, which is the working principle of the high-efficiency steel bar straightening machine for construction.

Claims (3)

1. The reinforcing steel bar straightening machine for building construction is characterized by comprising a material preparation mechanism (1) and a straightening mechanism; the material preparation mechanism (1) comprises a support plate (5), a rotary table (7) is arranged above the support plate (5), a vertically arranged material preparation plate (8) is fixed on the rotary table (7), a horizontally arranged material preparation shaft (11) is fixed on the front surface of the material preparation plate (8), a beam arm (16) is arranged at the top of the material preparation plate (8), and a movable lifting device is arranged on the beam arm (16); the straightening mechanism comprises a straightening machine main body (24) fixedly connected with the supporting plate (5) through a connecting screw (6), a feed inlet (25) is formed in one side, close to the material preparation mechanism, of the straightening machine main body (24), and a shearing mechanism for shearing the straightened steel bars is arranged on the other side; a longitudinal straightening unit and a transverse straightening unit are arranged in the straightening machine main body (24);

The longitudinal straightening unit comprises an upper longitudinal straightening roller set (27) and a lower longitudinal straightening roller set (28); the upper longitudinal straightening roller set (27) comprises a plurality of straightening rollers which are arranged in parallel, are perpendicular to the steel bars to be straightened, and are fixed on the top wall of the straightener main body (24) through second hydraulic telescopic columns (26); the lower longitudinal straightening roller set (28) also comprises a plurality of straightening rollers which are arranged in parallel and are perpendicular to the steel bars to be straightened through bearings, and the straightening rollers are driven by a first motor (23); the straightening rollers of the upper longitudinal straightening roller set (27) and the straightening rollers of the lower longitudinal straightening roller set (28) are arranged in a staggered manner, wherein the roller surfaces of the straightening rollers are opposite;

The transverse straightening unit comprises an upper transverse straightening roller set (34) and a lower transverse straightening roller set (31), wherein the upper transverse straightening roller set (34) comprises a plurality of rows of straightening rollers of which bearings are parallel to the steel bars to be straightened, and is fixed on the top wall of the straightener main body (24) through a third hydraulic telescopic column (32); the lower transverse straightening roller set (31) also comprises a plurality of rows of straightening rollers of which the bearings are parallel to the steel bars to be straightened and is driven by a second motor (30); the straightening rollers of the upper transverse straightening roller set (34) and the lower transverse straightening roller set (31) are opposite, and the roller surfaces are opposite one to one;

two adjacent rows of straightening rollers are connected through a linkage shaft (3402), and a second motor (30) drives the linkage shaft (3402) through a second chain (3403);

a first vertical hydraulic rail (9) is arranged in the material preparation plate (8), a first sliding block (10) is arranged in the first hydraulic rail (9), and the material preparation shaft (11) is fixed on the first sliding block (10);

The movable lifting device comprises a chute (17) arranged on the beam arm (16), a first transverse pulley block (18) is arranged in the chute (17), the first pulley block (18) is connected with a second vertical pulley block (21) through a steel wire rope (19), and a lifting hook (20) is fixed at the tail end of the steel wire rope (19);

The shearing mechanism comprises a shearing box (35) arranged at the tail end of the straightening machine main body (24), a second hydraulic rail (36) is arranged at the top of the shearing box (35) and parallel to the direction of the straightened steel bars, a second sliding block (37) is arranged in the second hydraulic rail (36), a vertical fourth hydraulic telescopic column (38) is arranged on the second sliding block (37), a third motor (39) is fixed at the tail end of the fourth hydraulic telescopic column (38), and the third motor (39) drives a cutting knife (41) to finish shearing the straightened steel bars through a second rotating shaft (40).

2. The reinforcing steel bar straightener for building construction according to claim 1, characterized in that a supporting column (2) is arranged below the supporting plate (5), universal wheels (3) are arranged at the bottom of the supporting column (2), and a first hydraulic telescopic column (4) is arranged at the top of the supporting column.

3. The reinforcing bar straightener for construction according to claim 1, further comprising a bracket (12) for supporting the stock plate (8), wherein the lower end of the bracket (12) is fixed on the upper surface of the supporting plate (5) through a limiting block (13), and the upper end is fixed on the back of the stock plate (8).