阅读说明：本技术 一种热轧带肋钢筋剪切用固定装置及其使用方法 (Fixing device for shearing hot-rolled ribbed steel bar and using method thereof ) 是由 戢俊强 王刚 宋进 王东 李文鹏 李志丹 魏星 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种热轧带肋钢筋剪切用固定装置及其使用方法,所述的一种热轧带肋钢筋剪切用固定装置,包括：操作箱,所述操作箱的侧视图为“口”字型结构；主导向机构,所述主导向机构设于操作箱的内壁底部一端,所述主导向机构用于对钢筋进行导向,本发明的有益效果是：通过主导向机构和辅助导向机构便于更好的对多根钢筋进行导向,使其可以沿着固定轨迹进行移动,且主导向机构还便于对不同尺寸的钢筋进行导向,通过传动机构便于同时引导多根钢筋带动其进行移动,通过固定机构对多根钢筋同时进行固定,使其在切割时不会位移,提高切割操作时钢筋的稳定性,本发明可以对不同尺寸的钢筋进行固定,使用范围更广。(The invention discloses a fixing device for shearing hot-rolled ribbed steel bars and a using method thereof, wherein the fixing device for shearing hot-rolled ribbed steel bars comprises: the side view of the operation box is of a square structure; the main guide mechanism is arranged at one end of the bottom of the inner wall of the operation box and used for guiding the steel bars, and the main guide mechanism has the beneficial effects that: the main guide mechanism and the auxiliary guide mechanism are convenient to guide the reinforcing steel bars better and enable the reinforcing steel bars to move along a fixed track, the main guide mechanism is also convenient to guide the reinforcing steel bars with different sizes, the transmission mechanism is convenient to guide the reinforcing steel bars to drive the reinforcing steel bars to move simultaneously, the fixing mechanism is used for fixing the reinforcing steel bars simultaneously, so that the reinforcing steel bars cannot move during cutting, the stability of the reinforcing steel bars during cutting operation is improved, the reinforcing steel bar fixing device can be used for fixing the reinforcing steel bars with different sizes, and the application range is wider.)

1. A fixing device for shearing hot-rolled ribbed steel bars is characterized by comprising:

the side view of the operating box (1) is of a square structure;

the main guide mechanism (2) is arranged at one end of the bottom of the inner wall of the operation box (1), and the main guide mechanism (2) is used for guiding the steel bars;

the auxiliary guide mechanism (3) is arranged at the top of the inner wall of the operation box (1) and is positioned right above the main guide mechanism (2), and the auxiliary guide mechanism (3) is used for performing auxiliary guide and pressing anti-warping on the reinforcing steel bars;

the transmission mechanism (4) is arranged in the middle of the inside of the operation box (1), and the transmission mechanism (4) is used for driving the reinforcing steel bars to move;

the fixing mechanism (5) is arranged in the operation box (1) and far away from one end of the main guide mechanism (2) and used for clamping and fixing one end, close to the shearing opening, of the steel bar.

2. A hot rolled ribbed bar shearing fixture as claimed in claim 1, characterized in that said main guide means (2) comprise:

the side frames (21) are fixedly connected to one end of the bottom of the operation box (1) at equal intervals;

the oblique rollers (22) are symmetrically and rotatably connected between the adjacent side frames (21), and a V-shaped structure is formed between the two side frames (21);

the bottom plates (23) are fixedly connected between the bottoms of the side frames (21);

the connecting plates (24) are rotatably connected between the adjacent oblique rollers (22), and the bottoms of the connecting plates (24) are fixedly connected with the top of the bottom plate (23);

reinforcing plates (25), the middle part symmetry fixedly connected with reinforcing plates (25) of side bearer (21), reinforcing plates (25) and the inner wall bottom fixed connection of control box (1) for carry out the auxiliary stay to side bearer (21).

3. A hot rolled ribbed bar shearing fixture as claimed in claim 2, characterized in that said auxiliary guide means (3) comprise:

a first sliding plate (31), wherein the first sliding plate (31) which can be lifted is arranged in the operation box (1) and above the side frame (21);

the top of the first sliding plate (31) is connected with four first sliding rods (32) in a sliding mode, the top of each first sliding rod (32) is fixedly connected with the top of the inner wall of the operating box (1), and each first sliding rod (32) is used for limiting the sliding of the first sliding plate (31);

the top of the inner wall of the operating box (1) is fixedly provided with a first hydraulic cylinder (33), and the bottom of a piston rod of the first hydraulic cylinder (33) is fixedly connected with the middle part of the top of the first sliding plate (31);

the bottom of the first sliding plate (31) is provided with first connecting frames (34) at equal intervals, and the bottom of each first connecting frame (34) is rotatably connected with a pressing wheel (35);

the number of the first connecting frames (34) is matched with that of the inclined rollers (22), and the press wheel (35) and the connecting plate (24) corresponding to the bottom of the press wheel are positioned in the same vertical plane.

4. A hot rolled ribbed bar shearing fixture as claimed in claim 3, characterized in that said transmission mechanism (4) comprises:

the driving roller (42), one end of the bottom of the first sliding plate (31) close to the fixing mechanism (5) is symmetrically and fixedly provided with second connecting frames (41), and the bottom of one side of the two second connecting frames (41) close to each other is rotatably connected with the driving roller (42);

the motor (43) is fixedly mounted at the top of the first sliding plate (31) and right above the driving roller (42), a driving belt pulley (44) is fixedly connected to the tail end of an output shaft of the motor (43), a driven belt pulley (45) is arranged on one side of the second connecting frame (41), the driven belt pulley (45) is coaxially connected with the driving roller (42), a transmission belt (46) is sleeved on the outer sides of the driven belt pulley (45) and the driving belt pulley (44), and the driven belt pulley (45) is in transmission connection with the driving belt pulley (44) through the transmission belt (46);

the driven roller (47) is arranged at the bottom of the inner wall of the operation box (1) and is positioned under the driving roller (42), lifting side plates (48) are arranged at two ends of the driven roller (47), the driven roller (47) is rotatably connected with the side plates (48), four second sliding rods (49) are fixedly connected to the bottom of the inner wall of the operation box (1), and two ends of each side plate (48) are slidably connected with the corresponding second sliding rods (49);

the spring (410) is sleeved at the bottom of the side plate (48) and positioned outside the second sliding rod (49), and the spring (410) is used for pushing the driven roller (47) to return upwards;

the top of the second sliding rod (49) and the bottom of the first sliding rod (32) are both provided with limiting blocks.

5. A hot rolled ribbed bar shearing fixture as claimed in claim 4, characterized in that said fixing means (5) comprise:

the bottom of the inner wall of the operating box (1) and one end, far away from the side frame (21), of the inner wall of the operating box (51) are fixedly connected with the mounting frame (51) in a square structure;

the middle of the top of the mounting frame (51) is fixedly provided with a second hydraulic cylinder (52), a piston rod of the second hydraulic cylinder (52) extends into the mounting frame (51) and is fixedly connected with the second sliding plate (53), two sides of the mounting frame (51) are respectively provided with a T-shaped groove (54), two ends of the second sliding plate (53) extend into the T-shaped grooves (54) and are fixedly connected with sliding blocks (55), and the sliding blocks (55) are in sliding connection with the T-shaped grooves (54);

the bottom of the second sliding plate (53) is fixedly connected with the pressing rods (56) at equal intervals;

the base (57), the inner wall bottom fixedly connected with base (57) of mounting bracket (51).

6. A hot rolled ribbed bar shearing fixture as claimed in claim 5, characterized in that said fixture (5) further comprises:

the pressing grooves (58) are formed in the top of the base (57) at equal intervals, the size of the bottom of each pressing groove (58) is larger than that of the bottom of each pressing groove, and the bottom of each pressing groove (58) is of a semicircular structure;

the bottom of each compression bar (56) is fixedly connected with a compression block (59), and the bottom of each compression block (59) is provided with an inverted V-shaped notch;

the pressing block (59), the pressing groove (58), the pressing wheel (35) and the connecting plate (24) are all located in the same vertical plane.

7. The hot rolled ribbed bar shearing fixture as recited in claim 6, further comprising:

the collecting box (6) is arranged on one side, close to the fixing mechanism (5), of the operating box (1) and used for receiving the sheared reinforcing steel bars;

the control panel (7) is installed at the top of the operation box (1), and the first hydraulic cylinder (33), the motor (43) and the second hydraulic cylinder (52) are all electrically connected with the control panel (7).

8. The use method of the fixing device for shearing hot-rolled ribbed steel bars as claimed in any one of claims 1 to 7, characterized by comprising the following steps:

firstly, moving equipment to a designated position, then electrifying the equipment, inserting steel bars between two adjacent oblique rollers (22) at the top of a main guide mechanism (2) in an operation box (1), operating a transmission mechanism (4) at most simultaneously for steel bars, and then pushing forwards to move one end of each steel bar to the position below a driving roller (42);

step two, a first hydraulic cylinder (33) is started through a control panel (7), the first hydraulic cylinder (33) pushes a first sliding plate (31) to move downwards, a pressing wheel (35) is in contact with the top of a steel bar to limit the steel bar, meanwhile, the bottom of a driving roller (42) is in contact with the top of the steel bar, a driven roller (47) is pressed downwards by the bottom of the steel bar, a spring (410) is compressed, a motor (43) is started at the moment, the motor (43) drives a driving belt pulley (44) to rotate so as to drive a driven belt pulley (45) and a driving roller (42) to rotate through the transmission of a transmission belt (46), the driving roller (42) drives the steel bar to move towards a fixing mechanism (5), and the driven roller (47), an inclined roller (22) and the pressing wheel (35) uniformly rotate simultaneously when the steel bar moves;

step three, when the steel bars move to the inside of a top pressure groove (58) of a base (57), at the moment, according to the length of the extended steel bars, a motor (43) is controlled to be closed at any time, then a second hydraulic cylinder (52) is opened through a control panel (7), the second hydraulic cylinder (52) pushes a second sliding plate (53) to move downwards, the second sliding plate (53) drives a pressing rod (56) and a pressing block (59) to move downwards, the pressing block (59) presses the top of the steel bars downwards and is matched with the pressure groove (58) to clamp and fix the steel bars, then the steel bars extended to a specified length can be cut through external cutting equipment, and a plurality of steel bars can be cut at the same time, so that the efficiency is improved;

step four, after the cutting of the steel bars is finished, the cut steel bars can directly fall into the collecting box (6) to be collected, then the second sliding plate (53) is lifted through the second hydraulic cylinder (52), meanwhile, the motor (43) is turned on again, the rest of the steel bars can continue to move, and then the step three is repeated, and the continuous steel bar shearing and fixing work can be finished.

Technical Field

The invention relates to the technical field of fixing devices, in particular to a fixing device for shearing a hot-rolled ribbed steel bar and a using method thereof.

Background

The reinforcing steel bar needs different lengths due to the limitation of use conditions when in use, the cost of the reinforcing steel bar is basically longer, and therefore the reinforcing steel bar needs to be cut, but the existing reinforcing steel bar is lack of an effective fixing device during cutting, so that the cuts are uneven, and each cutting can only be carried out by one cutting because a plurality of reinforcing steel bars cannot be fixed simultaneously, and the efficiency is lower.

Disclosure of Invention

The invention aims to provide a fixing device for shearing a hot-rolled ribbed steel bar and a using method thereof, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fixing device for shearing a hot-rolled ribbed steel bar, comprising:

the side view of the operation box is of a square structure;

the main guide mechanism is arranged at one end of the bottom of the inner wall of the operation box and is used for guiding the steel bars;

the auxiliary guide mechanism is arranged at the top of the inner wall of the operation box and is positioned right above the main guide mechanism, and the auxiliary guide mechanism is used for performing auxiliary guide and compaction warping prevention on the reinforcing steel bars;

the transmission mechanism is arranged in the middle of the inside of the operation box and is used for driving the reinforcing steel bars to move;

and the fixing mechanism is arranged in the operation box and is far away from one end of the main guide mechanism, and is used for clamping and fixing one end, close to the shearing opening, of the steel bar.

In the implementation process, firstly, the main guide mechanism and the auxiliary guide mechanism guide the multiple reinforcing steel bars, so that the multiple reinforcing steel bars can move along a fixed track, meanwhile, the main guide mechanism can also guide the reinforcing steel bars with different sizes, then the transmission mechanism guides the multiple reinforcing steel bars with different sizes to move, then the fixing mechanism fixes the multiple reinforcing steel bars with different sizes, so that the reinforcing steel bars cannot move during cutting, and the stability of the reinforcing steel bars during cutting operation is improved.

Preferably, the main guide mechanism includes:

the side frames are fixedly connected to one end of the bottom of the operation box at equal intervals;

the oblique rollers are symmetrically and rotatably connected between the adjacent side frames, and a V-shaped structure is formed between the two side frames;

the bottom plates are fixedly connected between the bottoms of the side frames;

the adjacent oblique rollers are rotatably connected with the connecting plate, and the bottom of the connecting plate is fixedly connected with the top of the bottom plate;

the reinforcing plate is symmetrically and fixedly connected to the middle of the side frame and fixedly connected with the bottom of the inner wall of the operation box and used for assisting in supporting the side frame.

Preferably, the auxiliary guide mechanism includes:

the first sliding plate is arranged in the operation box and positioned above the side frame, and the first sliding plate can be lifted;

the top of the first sliding plate is connected with four first sliding rods in a sliding mode, the top of each first sliding rod is fixedly connected with the top of the inner wall of the operating box, and each first sliding rod is used for limiting the sliding of the first sliding plate;

the top of the inner wall of the operating box is fixedly provided with a first hydraulic cylinder, and the bottom of a piston rod of the first hydraulic cylinder is fixedly connected with the middle part of the top of the first sliding plate;

the bottom of the first sliding plate is provided with first connecting frames at equal intervals, and the bottom of each first connecting frame is rotatably connected with a pressing wheel;

the number of the first connecting frames is matched with that of the inclined rollers, and the pinch rollers and the connecting plates corresponding to the bottoms of the pinch rollers are located in the same vertical plane.

Preferably, the transmission mechanism includes:

the second connecting frames are symmetrically and fixedly arranged at one end of the bottom of the first sliding plate, which is close to the fixing mechanism, and the bottom of one side, which is close to the two second connecting frames, of the two second connecting frames is rotatably connected with the driving roller;

the motor is fixedly installed at the top of the first sliding plate and located right above the driving roller, the tail end of an output shaft of the motor is fixedly connected with a driving belt pulley, a driven belt pulley is arranged on one side of the second connecting frame and coaxially connected with the driving roller, a transmission belt is sleeved on the driven belt pulley and the outer side of the driving belt pulley, and the driven belt pulley is in transmission connection with the driving belt pulley through the transmission belt;

the bottom of the inner wall of the operation box is propped up, the driven roller is arranged right below the driving roller, two ends of the driven roller are respectively provided with a liftable side plate, the driven roller is rotatably connected with the side plates, the bottom of the inner wall of the operation box is fixedly connected with four second sliding rods, and two ends of each side plate are respectively in sliding connection with the corresponding second sliding rods;

the spring is sleeved at the bottom of the side plate and outside the second sliding rod and used for pushing the driven roller to reset upwards;

and limiting blocks are arranged at the top of the second sliding rod and the bottom of the first sliding rod.

Preferably, the fixing mechanism includes:

the bottom of the inner wall of the operating box and one end, far away from the side frame, of the inner wall of the operating box are fixedly connected with an installation frame in a square structure;

the middle part of the top of the mounting frame is fixedly provided with a second hydraulic cylinder, a piston rod of the second hydraulic cylinder extends into the mounting frame and is fixedly connected with the second sliding plate, two sides of the mounting frame are both provided with T-shaped grooves, two ends of the second sliding plate extend into the T-shaped grooves and are fixedly connected with sliding blocks, and the sliding blocks are in sliding connection with the T-shaped grooves;

the bottom of the second sliding plate is fixedly connected with pressure rods at equal intervals;

the base, the inner wall bottom fixedly connected with base of mounting bracket.

Preferably, the fixing mechanism further includes:

the top of the base is provided with pressure grooves at equal intervals, the size of the bottom of each pressure groove is larger than that of the bottom of each pressure groove, and the bottom of each pressure groove is of a semicircular structure;

the bottoms of the pressure rods are fixedly connected with the pressure blocks, and inverted V-shaped notches are formed in the bottoms of the pressure blocks;

the pressing block, the pressing groove, the pressing wheel and the connecting plate are all located in the same vertical plane.

Preferably, the fixing device for shearing a hot-rolled ribbed steel bar further comprises:

the collecting box is arranged on one side, close to the fixing mechanism, of the operation box and is used for receiving the sheared reinforcing steel bars;

the control panel is installed at the top of the operation box, and the first hydraulic cylinder, the motor and the second hydraulic cylinder are all electrically connected with the control panel.

The invention also provides a use method of the fixing device for shearing the hot-rolled ribbed steel bar, which comprises the following steps:

firstly, moving equipment to a designated position, then electrifying the equipment, inserting a steel bar between two adjacent oblique rollers at the top of a main guide mechanism in an operation box, operating a transmission mechanism at most simultaneously for the steel bar, and then pushing forwards to enable one end of the steel bar to move to the lower part of a driving roller;

step two, a first hydraulic cylinder is started through a control panel, the first hydraulic cylinder pushes a first sliding plate to move downwards, a pressing wheel is in contact with the top of a steel bar to limit the steel bar, the bottom of a driving roller is in contact with the top of the steel bar, a driven roller is pressed downwards by the bottom of the steel bar, a spring is compressed, a motor is started at the moment, the motor drives a driving belt pulley to rotate, further, the driven belt pulley and the driving roller are driven to rotate through the transmission of a transmission belt, the driving roller drives the steel bar to move towards a fixing mechanism, and the driven roller, an inclined roller and the pressing wheel all rotate together while the steel bar moves;

step three, when the steel bars move to the inside of the top pressure groove of the base, the motor is controlled to be turned off at any time according to the extending length of the steel bars, then the second hydraulic cylinder is opened through the control panel, the second hydraulic cylinder pushes the second sliding plate to move downwards, the second sliding plate drives the pressing rod and the pressing block to move downwards, the pressing block presses the top of the steel bars downwards and is matched with the pressure groove to clamp and fix the steel bars, then the steel bars extending out of the specified length can be cut through external cutting equipment, and meanwhile, a plurality of steel bars can be cut, so that the efficiency is improved;

and step four, after the cutting of the steel bars is finished, the cut steel bars can directly fall into the collecting box to be collected, then the second sliding plate is lifted through the second hydraulic cylinder, meanwhile, the motor is turned on again, the rest steel bars can continue to move, and then the step three is repeated to finish continuous steel bar shearing and fixing work.

Compared with the prior art, the invention has the beneficial effects that: the main guide mechanism and the auxiliary guide mechanism are convenient to guide the reinforcing steel bars better and enable the reinforcing steel bars to move along a fixed track, the main guide mechanism is also convenient to guide the reinforcing steel bars with different sizes, the transmission mechanism is convenient to guide the reinforcing steel bars to drive the reinforcing steel bars to move simultaneously, the fixing mechanism is used for fixing the reinforcing steel bars simultaneously, so that the reinforcing steel bars cannot move during cutting, the stability of the reinforcing steel bars during cutting operation is improved, the reinforcing steel bar fixing device can be used for fixing the reinforcing steel bars with different sizes, and the application range is wider.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of a primary guide mechanism of the present invention;

FIG. 3 is an enlarged view of the invention at A;

FIG. 4 is a schematic structural view of the fixing mechanism of the present invention;

fig. 5 is a schematic structural view of the fixing mechanism of the present invention in use.

In the figure: 1. an operation box; 2. a main guide mechanism; 21. a side frame; 22. a skew roller; 23. a base plate; 24. a connecting plate; 25. a reinforcing plate; 3. an auxiliary guide mechanism; 31. a first sliding plate; 32. a first slide bar; 33. a first hydraulic cylinder; 34. a first connecting frame; 35. a pinch roller; 4. a transmission mechanism; 41. a second link frame; 42. a drive roll; 43. a motor; 44. a drive pulley; 45. a driven pulley; 46. a drive belt; 47. a driven roller; 48. a side plate; 49. a second slide bar; 410. a spring; 5. a fixing mechanism; 51. a mounting frame; 52. a second hydraulic cylinder; 53. a second sliding plate; 54. a T-shaped groove; 55. a slider; 56. a pressure lever; 57. a base; 58. pressing a groove; 59. briquetting; 6. a collection box; 7. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a fixing device for shearing a hot-rolled ribbed steel bar comprises an operation box 1, wherein the side view of the operation box 1 is of a square structure, a main guide mechanism 2 is arranged at one end of the bottom of the inner wall of the operation box 1, and the main guide mechanism 2 is used for guiding the steel bar; the auxiliary guide mechanism 3 is arranged on the top of the inner wall of the operation box 1 and is positioned right above the main guide mechanism 2, and the auxiliary guide mechanism 3 is used for performing auxiliary guide and compaction tilting prevention on the steel bars; the transmission mechanism 4 is arranged in the middle of the inside of the operation box 1, and the transmission mechanism 4 is used for driving the reinforcing steel bars to move; the fixing mechanism 5 is arranged in the operation box 1 and at one end far away from the main guide mechanism 2, and is used for clamping and fixing one end, close to the shearing opening, of the steel bar.

Understandably, when the reinforcing steel bar is plugged into the operation box 1, one end of the reinforcing steel bar cannot shake due to the downward pressing of the auxiliary guide mechanism 3, the other end of the reinforcing steel bar can be fixed due to the clamping of the fixing mechanism 5, so that the reinforcing steel bar is straightened, and meanwhile, the reinforcing steel bar can be moved due to the transmission of the transmission mechanism 4, and the length of the reinforcing steel bar is required to be cut, and the distance of the reinforcing steel bar is required to be moved.

Further, the main guide mechanism 2 comprises side frames 21, and the side frames 21 are fixedly connected to one end of the bottom of the operation box 1 at equal intervals; oblique rollers 22 are symmetrically and rotatably connected between the adjacent side frames 21, and a V-shaped structure is formed between the two side frames 21; a bottom plate 23 is fixedly connected between the bottoms of the side frames 21; the adjacent oblique rollers 22 are rotatably connected with a connecting plate 24, and the bottom of the connecting plate 24 is fixedly connected with the top of a bottom plate 23; reinforcing plates 25 are symmetrically and fixedly connected to the middle of the side frame 21, and the reinforcing plates 25 are fixedly connected to the bottom of the inner wall of the operation box 1 and used for assisting in supporting the side frame 21.

It will be appreciated that when the bar is tucked into the top of the main guide 2, it falls directly between the tops of two adjacent oblique rollers 22.

Furthermore, the auxiliary guide mechanism 3 includes a first sliding plate 31, and the first sliding plate 31 capable of lifting is arranged inside the operation box 1 and above the side frame 21; the top of the first sliding plate 31 is slidably connected with four first sliding rods 32, the top of the first sliding rods 32 is fixedly connected with the top of the inner wall of the operation box 1, and the first sliding rods 32 are used for limiting the sliding of the first sliding plate 31; a first hydraulic cylinder 33 is fixedly installed at the top of the inner wall of the operating box 1, and the bottom of a piston rod of the first hydraulic cylinder 33 is fixedly connected with the middle part of the top of the first sliding plate 31; first connecting frames 34 are arranged at the bottom of the first sliding plate 31 at equal intervals, and a pressing wheel 35 is rotatably connected to the bottom of the first connecting frames 34; the number of the first connecting frames 34 is matched with that of the inclined rollers 22, and the press wheel 35 and the connecting plate 24 corresponding to the bottom of the press wheel are positioned in the same vertical plane.

It can be understood that the pressing wheels 35 are arranged in a matrix and correspond to the positions of the connecting plates 24, and when the pressing wheels 35 are pressed downwards, the pressing wheels just press the tops between the adjacent oblique rollers 22 to compress the reinforcing steel bars.

Further, the transmission mechanism 4 includes a driving roller 42, the second connecting frames 41 are symmetrically and fixedly installed at one end of the bottom of the first sliding plate 31 close to the fixing mechanism 5, and the driving roller 42 is rotatably connected to the bottom of one side of the two second connecting frames 41 close to each other; a motor 43 is fixedly mounted on the top of the first sliding plate 31 and located right above the driving roller 42, a driving belt pulley 44 is fixedly connected to the tail end of an output shaft of the motor 43, a driven belt pulley 45 is arranged on one side of the second connecting frame 41, the driven belt pulley 45 is coaxially connected with the driving roller 42, a transmission belt 46 is sleeved on the outer sides of the driven belt pulley 45 and the driving belt pulley 44, and the driven belt pulley 45 is in transmission connection with the driving belt pulley 44 through the transmission belt 46; the bottom of the inner wall of the operation box 1 is propped up, a driven roller 47 is arranged right below the driving roller 42, two ends of the driven roller 47 are respectively provided with a liftable side plate 48, the driven roller 47 is rotatably connected with the side plates 48, the bottom of the inner wall of the operation box 1 is fixedly connected with four second sliding rods 49, and two ends of the side plates 48 are respectively in sliding connection with the corresponding second sliding rods 49; a spring 410 is sleeved at the bottom of the side plate 48 and outside the second sliding rod 49, and the spring 410 is used for pushing the driven roller 47 to return upwards; the top of the second slide bar 49 and the bottom of the first slide bar 32 are provided with limit blocks.

Further, the fixing mechanism 5 comprises a mounting frame 51, and the mounting frame 51 with a square structure is fixedly connected to one end of the bottom of the inner wall of the operation box 1, which is far away from the side frame 21; a second hydraulic cylinder 52 is fixedly installed in the middle of the top of the mounting frame 51, a piston rod of the second hydraulic cylinder 52 extends into the mounting frame 51 and is fixedly connected with a second sliding plate 53, T-shaped grooves 54 are formed in both sides of the mounting frame 51, both ends of the second sliding plate 53 extend into the T-shaped grooves 54 and are fixedly connected with sliding blocks 55, and the sliding blocks 55 are slidably connected with the T-shaped grooves 54; the bottom of the second sliding plate 53 is fixedly connected with pressure rods 56 at equal intervals; the bottom of the inner wall of the mounting frame 51 is fixedly connected with a base 57.

Further, the fixing mechanism 5 further comprises a pressing groove 58, the pressing groove 58 is formed in the top of the base 57 at equal intervals, the size of the bottom of the pressing groove 58 is larger than that of the bottom of the pressing groove, and the bottom of the pressing groove 58 is of a semicircular structure; the bottoms of the pressure rods 56 are fixedly connected with pressure blocks 59, and inverted V-shaped notches are formed in the bottoms of the pressure blocks 59; the pressing block 59, the pressing groove 58, the pressing wheel 35 and the connecting plate 24 are all located in the same vertical plane.

Furthermore, the fixing device for shearing the hot-rolled ribbed steel bar further comprises a collecting box 6, wherein the collecting box 6 is arranged on one side of the operation box 1 close to the fixing mechanism 5 and is used for receiving the sheared steel bar; the fixing device for shearing the hot-rolled ribbed steel bar further comprises a control panel 7, wherein the control panel 7 is installed at the top of the operating box 1, and the first hydraulic cylinder 33, the motor 43 and the second hydraulic cylinder 52 are electrically connected with the control panel 7.

The invention also provides a use method of the fixing device for shearing the hot-rolled ribbed steel bar, which comprises the following steps:

firstly, moving the equipment to a designated position, then electrifying the equipment, inserting the steel bars between two adjacent oblique rollers 22 at the top of a main guide mechanism 2 in an operation box 1, simultaneously operating 4 steel bars of a transmission mechanism at most, and then pushing forwards to move one end of each steel bar to the position below a driving roller 42;

step two, the first hydraulic cylinder 33 is opened through the control panel 7, the first hydraulic cylinder 33 pushes the first sliding plate 31 to move downwards, the press wheel 35 is in contact with the top of the steel bar to limit the steel bar, meanwhile, the bottom of the driving roller 42 is in contact with the top of the steel bar, the bottom of the steel bar presses the driven roller 47, the spring 410 is compressed, at the moment, the motor 43 is started, the motor 43 drives the driving belt pulley 44 to rotate, the driven belt pulley 45 and the driving roller 42 to rotate through the transmission of the transmission belt 46, the driving roller 42 drives the steel bar to move towards the direction of the fixing mechanism 5, and the driven roller 47, the oblique roller 22 and the press wheel 35 uniformly rotate simultaneously when the steel bar moves;

step three, when the steel bars move to the inside of the top pressure groove 58 of the base 57, the motor 43 is controlled to be turned off at any time according to the extended length of the steel bars, then the second hydraulic cylinder 52 is opened through the control panel 7, the second hydraulic cylinder 52 pushes the second sliding plate 53 to move downwards, the second sliding plate 53 drives the pressure rod 56 and the pressure block 59 to move downwards, the pressure block 59 is pressed downwards at the top of the steel bars and is matched with the pressure groove 58 to clamp and fix the steel bars, then the steel bars extended to the specified length can be cut through external cutting equipment, and a plurality of steel bars can be cut at the same time, so that the efficiency is improved;

step four, after the cutting of the steel bars is finished, the cut steel bars can directly fall into the collecting box 6 to be collected, then the second sliding plate 53 is lifted through the second hydraulic cylinder 52, meanwhile, the motor 43 is turned on again, the rest of the steel bars can continue to move, and then the step three is repeated to finish continuous steel bar shearing and fixing work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.