CN105880424A - Rotary straightening mechanism for straightening machine provided with air cylinders capable of driving rebars to rotate - Google Patents

Abstract

The invention discloses a rebar rotating and straightening machine and relates to the technical field of rebar straightening machines. The rebar straightening machine comprises a rotary straightening mechanism and a feeding mechanism. The rotary straightening mechanism comprises a rotary bin. A rotary seat is arranged in the rotary bin. Multiple clamping rims are arranged on the rotary seat. A rotary cylinder is arranged in the rotary bin. The rotary cylinder internally comprises multiple layers of inner cylinders in concentric with the cylinder wall on the outer layer. One clamping rim is clamped between the cylinder walls of every two adjacent inner cylinders. Multiple annular pressing plates are arranged on the upper portion of the rotary bin and sequentially arranged between the cylinder walls of the adjacent inner cylinders. The annular pressing plates are driven by the air cylinders to move. One pushing and jacking column is a hollow column with openings in the two ends, a guide slope is arranged at the opening in the bottom end of each hollow column, each opening in the top end is a discharging opening, and the feeding mechanism is located on the upper portion of the rotary bin. According to the straightening machine, the pushing and jacking effect of rotary force is adopted to make the disc-shaped rebars pass through narrow hollow pipes, the straightening work is completed, the working procedure is simple, and the straightening effect is good.

Description

A rotary straightening mechanism of a cylinder-driven steel bar rotary straightening machine

technical field

The invention relates to the technical field of steel bar straightening machinery.

Background technique

Straightening machine is a device for straightening metal profiles, bars, pipes, wires, etc. The traditional straightening machine uses straightening rollers to squeeze the bar and so on to change the straightness. Generally, there are two rows of straightening rollers, the number of which varies. There are also two-roll straightening machines, which rely on the angle change of two rolls (concave in the middle, hyperbolic rolls) to straighten materials with different diameters. The main types are pressure straightening machines, balance roll straightening machines, and oblique roll straightening machines. , rotary reverse bending straightening machine, etc. In the prior art, there is also a kind of steel bar straightening machine, which is to straighten coiled steel bars or other forms of curved steel bars to become straight steel bars. In order to make the wire rod and steel bar enter the main machine of the straightening machine smoothly, a wire management mechanism is placed between the main machine of the straightening machine and the wire rod pay-off mechanism. In the main machine of the straightening machine, whether it is the above-mentioned straightening machine or the steel bar straightening machine, the operation process is cumbersome and the straightening effect is not good. A lot of manpower and material resources are required to operate in the whole operation process. Therefore, in view of the above problems, we now provide A rotary steel bar straightening machine uses the pushing action of the rotating force to let the disc-shaped steel bar pass through a narrow empty pipe to complete the straightening work. The process is simple and the straightening effect is good.

Contents of the invention

The technical problem to be solved by the present invention is to provide a cylinder-driven steel bar rotary straightening machine. The straightening machine uses a strong rotating driving force to directly push the disc-shaped steel bar into the hollow column and pass it through the narrow tubular space. After passing through the outlet, the steel bar can be effectively straightened, the effect is better, and the process is simple.

In order to solve the above-mentioned problems, the technical solution adopted by the present invention is: a cylinder-driven steel bar rotary straightening machine, including a rotary straightening mechanism and a feeding mechanism, and the rotary straightening mechanism includes a cylindrical rotary bin, in which there is a A disc-shaped revolving seat that can rotate on its own is provided with a plurality of eaves that are spaced apart from each other, and a revolving cylinder that cooperates with the revolving seat is also provided in the revolving chamber. The revolving cylinder is a hollow cylindrical structure The revolving cylinder includes a multi-layer cylindrical inner cylinder concentrically arranged with the outer cylinder wall, the clamping eaves are sequentially clamped between two adjacent inner cylinder walls, and multiple An annular pressure plate that can move in the vertical direction, the annular pressure plate is arranged between two adjacent inner cylinder walls in turn, each annular pressure plate is connected with the cylinder on the top of the rotary bin by means of two pushing columns, One of the pushing columns is a hollow column with openings at both ends, the bottom opening of the hollow column penetrates the lower annular pressure plate, a guide slope is provided at the bottom opening of the hollow column, and the top opening is a discharge port The feeding mechanism is located on the upper part of the rotary bin.

Further, a console board with a layered structure in the vertical direction is provided on the upper part of the rotating chamber, the cross-sectional shape of the console board is an inverted trapezoidal structure, and a Cylinders, each cylinder is connected with its corresponding annular pressure plate through a piston rod, and the cylinders are controlled by the control cabinet.

Further, an inverted U-shaped position control frame is also provided on the top of the rotating bin, and the bottom open ends of the two vertical rods of the position controlling frame are rotationally connected with the outer wall of the rotating bin on the horizontal plane, and on the vertical plane Relative to the fixed connection, the console board is connected with the cross bar of the position control frame through the uppermost sub-board.

Further, a round pie-shaped bearing seat is provided on the cross bar of the position control frame, and the console board is connected to the bottom of the bearing seat through the uppermost sub-board, and the hollow column penetrates through the sub-board of each console board. The plate and the plate seat of the bearing seat, the discharge port is located on the upper side plate surface of the bearing seat.

Further, the rod body of the cross bar is rotatably connected through a hinged seat, and the hinged seat is located on one side of the bearing seat.

Further, the bottom end of the vertical bar of the position control frame is slidingly connected with the outer wall of the rotating bin through horizontal rollers, and a locking notch is provided between one of the rollers and the outer wall of the rotating bin.

Further, the feeding mechanism is a material storage cylinder with a material cover on the top, the structure of the material storage cylinder is the same as that of the rotary cylinder, and an annular pressure plate is also arranged in the material storage cylinder, and the annular pressure plate is also used The cylinder moves vertically, the feeding cylinder and the revolving cylinder are aligned up and down, and the feeding mechanism moves vertically by means of a driving device.

Further, the bottom of the disc-shaped rotating seat penetrates the bottom plate of the rotating chamber through a connecting rod and is connected to an external motor, and the rotating cylinder is fixed to the inner wall of the rotating chamber by means of a support seat.

Further, the distance between the inner cylinder walls of the gyratory cylinder becomes smaller evenly, the annular pressure plate is in contact with the cylinder walls of two adjacent inner cylinders, the clamping eaves have a right-angled trapezoidal structure, and the clamping eaves There is an arc-shaped empennage with a slope along the rotation direction of the cavity between two adjacent inner barrels.

The beneficial effects produced by adopting the above-mentioned technical solution are: the present invention is aimed at the overall straightening of the disc-shaped steel bar clusters, the process is uninterrupted, and multiple strands of steel bar clusters with different thicknesses can be directly straightened at the same time. The distance between them becomes smaller in turn, and steel bars with different diameters can be placed between the walls of each cylinder in sequence, arranged up and down in a disc-shaped structure, and only one single steel bar can be accommodated between each inner cylinder wall, in the ring Under the pressure of the pressure plate, the lower end of the disc-shaped steel bar is supported by the clamping eaves, and then the whole steel bar disc is rotated under the push of the rotating seat, and the top steel bar end enters the hollow column through the guide slope, and then the strong push Under the action of the jacking force, the steel bars are forcibly passed through the inner tube of the hollow column, and the steel bars of different thicknesses are straightened directly, and then the materials are sequentially discharged from the discharge port on the top of the bearing seat. The top of the pushing column is controlled by the cylinder, and the cylinder It is located in the console panel. When feeding, the cylinder lifts the annular pressure plate to separate it from the rotary cylinder, and then the bearing seat is separated by the rotation of the position control frame, and then the feeding mechanism is lowered so that the feeding cylinder and the rotary cylinder are aligned up and down. and contact with each other, then brake the cylinder in the material barrel to push the disc-shaped steel bar previously placed in the material barrel into the gyratory barrel to complete the feeding, so the present invention adopts the method of rotary ejection to straighten the steel bar Straightening, high straightening efficiency, accurate operation, and the whole process does not require manual operation, which is simple and convenient.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic structural view of the swivel seat in Fig. 1;

Fig. 3 is a schematic diagram of the connection structure between the annular pressure plate and the ejector column in Fig. 1;

Fig. 4 is a top view of the rotary straightening mechanism in Fig. 1 .

Among them, 1. Revolving warehouse, 2. Revolving seat, 3. Clamping eaves, 4. Revolving cylinder, 5. Inner cylinder, 6. Ring pressure plate, 7. Pushing column, 8. Guide slope, 9. Console board, 10 , position control frame, 11, cross bar, 12, bearing seat, 13, hinge seat, 14, roller, 15, material cover, 16, material barrel, 17, connecting rod, 18, motor, 19, support seat, 20 , curved empennage, 21, discharge port.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

As shown in Figure 1, Figure 2 and Figure 3: a cylinder-driven steel bar rotary straightening machine, including a rotary straightening mechanism and a feeding mechanism, the rotary straightening mechanism includes a cylindrical rotating bin 1, inside the rotating bin 1 A disc-shaped revolving seat 2 that can rotate on its own is provided, and a plurality of card eaves 3 arranged at intervals are arranged on the revolving seat 2, and a revolving cylinder 4 that cooperates with the revolving seat 2 is also provided in the revolving chamber 1. The revolving cylinder 4 is a hollow cylindrical structure. The revolving cylinder 4 includes a multi-layer cylindrical inner cylinder 5 concentrically arranged with the outer cylinder wall. Between the cylinder walls, a plurality of annular pressure plates 6 movable in the vertical direction are provided on the upper part of the rotary bin 1, and the annular pressure plates 6 are sequentially arranged between the walls of two adjacent inner cylinders 5, each annular The pressure plates 6 are all connected to the cylinder at the top of the rotary bin 1 by means of two push-off columns 7, one of which is a hollow column with openings at both ends, and the bottom opening of the hollow column penetrates the lower annular pressure plate 6, The bottom opening of the hollow column is provided with a guide slope 8 , and the top opening is a discharge port 21 , and the feeding mechanism is located at the top of the rotary bin 1 .

The upper part of the rotary bin 1 is provided with a console board 9 that is a layered structure in the vertical direction. The cross-sectional shape of the console board 9 is an inverted trapezoidal structure. A cylinder, each cylinder is connected with its corresponding annular pressure plate 6 through a piston rod, and the cylinder is controlled by the control cabinet.

As shown in Figure 1, a position control frame 10 in an inverted U-shaped structure is also provided on the top of the rotary bin 1, and the bottom open ends of the two vertical rods of the position control frame 10 are rotationally connected with the outer wall of the rotary bin 1 on a horizontal plane. , relatively fixedly connected on the vertical plane, the console board 9 is connected with the crossbar 11 of the position control frame 10 through the uppermost sub-board. On the crossbar 11 of the position control frame 10, a round pie-shaped bearing seat 12 is provided, and the console board 9 is connected with the bottom of the bearing seat 12 through the uppermost sub-board, and the hollow column penetrates each console board 9 and the plate seat of the bearing seat 12, the discharge port 21 is located on the upper side plate surface of the bearing seat 12. The rod body of the cross bar 11 is rotatably connected through a hinged seat 13 , and the hinged seat 13 is located on one side of the bearing seat 12 . The bottom end of the vertical bar of the position control frame 10 is slidingly connected with the outer wall of the rotating bin 1 in the horizontal direction through the horizontally placed rollers 14 , and a locking notch is provided between one of the rollers 14 and the outer wall of the rotating bin 1 .

As shown in Figure 1: the feeding mechanism is a material cylinder 16 with a material cover 15 on the top, the structure of the material cylinder 16 is the same as that of the rotary cylinder 4, and an annular pressure plate is also arranged in the material cylinder 16 6. The annular pressing plate 6 also uses the cylinder to perform push-up movement in the vertical direction, the feeding cylinder 16 is aligned with the revolving cylinder 4 up and down, and the feeding mechanism performs vertical movement by means of a driving device.

As shown in Figure 1: the bottom of the disc-shaped rotating seat 2 penetrates the bottom plate of the rotating chamber 1 through the connecting rod 17 and is connected with the external motor 18, and the rotating cylinder 4 is connected to the inner wall of the rotating chamber 1 by means of a support seat 19 fixed. The distance between the inner cylinder walls of the gyratory cylinder 4 becomes smaller evenly, the annular pressure plate 6 is in contact with the cylinder walls of two adjacent inner cylinders 5, the clamping eaves 3 are in a right-angled trapezoidal structure, and the clamping The eaves 3 have arc-shaped tail fins 20 with slopes along the rotation direction of the cavity between two adjacent inner cylinders 5 .

The concrete implementation process of the present invention is as follows: at first carry out operation description to the rotation straightening mechanism, be provided with a plurality of inner tubes 5 in the revolving tube 4, there is certain distance between the inner tubes 5, and the distance between each inner tubes 5 is Not the same, its distance becomes smaller successively from the outside to the inside, that is, steel bars of different diameters can be accommodated, and the distance between the walls of the two adjacent inner cylinders 5 is equal to the diameter of the steel bar to be straightened. It can accommodate a single steel bar. When performing specific operations, ring-shaped steel bars are placed between the inner cylinders 5, that is, the steel bars are coiled between the walls of the inner cylinder 5, and the individual steel bars are arranged sequentially from top to bottom. , the bottom of the revolving cylinder 4 is a rotating base 2, the rotating base 2 can rotate with high power under the drive of the connecting rod 17 connected to the motor 18, and a plurality of clamping eaves 3 are arranged on the seat surface of the rotating base 2, and the clamping eaves 3 are spaced apart from each other, and each card eaves 3 is placed separately in the space between the inner tubes 5, and the length of the card eaves 3 is equal to the width of the distance between the inner tubes 5, and the card eaves 3 have arc tail fins 20, The direction of extension of the curved empennage 20 is consistent with the direction of the cavity between the inner cylinders 5. On the upper end of the revolving cylinder 4 are a plurality of annular pressure plates 6, and each annular pressure plate 6 corresponds to a space between adjacent inner cylinders 5. Cavity, the annular pressure plate 6 moves downward along the cavity between the inner tubes 5 under the action of the upper cylinder to squeeze the steel bars placed in the cavity, then the motor 18 is turned on, and the rotating seat 2 rotates. At this time The clamping eaves 3 just catch the lower end of the extruded steel bar. Under the push of the clamping eaves 3, the steel bar rotates, while the upper end of the steel bar slides into the hollow column under the action of the guide slope 8 and moves upward along the direction of the hollow column. , and finally come out from the discharge opening on the upper surface of the bearing seat 12 to complete the straightening process.

The cylinder that is used to control annular pressure plate 6 is located at the inside of console plate 9, and each sub-board is provided with a cylinder, and each cylinder controls two push-off columns 7 to push away respectively.

Then the feeding mechanism is described, the console plate 9 is located on the lower surface of the bearing seat 12 on the position control frame 10 crossbar 11, and each hollow column is provided with a discharge port 21 corresponding to each hollow column on the bearing seat 12. The side rails 11 are connected by hinged seats 13, and the rollers 14 at the bottom ends of the two vertical bars of the position control frame 10 are in sliding contact with the outer wall of the rotary bin 1, and when feeding, first pass the rollers 14 on the console board 9. The air cylinder lifts each annular platen 6, and when the annular platen 6 is separated from the swivel cylinder 4, the side roller 14 is slid and separated from the outer wall of the rotating bin 1, the cross bar 11 rotates through the hinged seat 13, and the bearing seat 12 leaves The upper end of the revolving cylinder 4 is used to move out the space for the upper feeding mechanism. Because there is a locking stop between the other roller 14 and the outer wall of the rotating bin 1, the position control frame 10 will not fall. At this time, when passing through the feeding structure For feeding, the feeding mechanism is equipped with a feeding cylinder 16. First, the steel bar that needs to be straightened is rotated in the feeding cylinder 16, and then the feeding mechanism is lowered so that the feeding cylinder 16 and the rotating cylinder 4 are aligned up and down. Start the cylinder on the feeding mechanism again to move its annular pressing plate 6 downwards, and press the coiled steel bar between each inner cylinder 5 of the revolving cylinder 4 to get final product.

To sum up: the present invention is aimed at the overall straightening of disc-shaped steel clusters, and the process is uninterrupted. It can directly straighten multiple strands of steel clusters with different thicknesses at the same time, and the distance between the walls of the inner cylinder changes sequentially. Small, steel bars with different diameters can be placed between each cylinder wall in turn, arranged up and down in a disc-shaped structure, and only one single steel bar can be accommodated between each inner cylinder wall, which can withstand the pressure of the annular pressure plate Pressure, the lower end of the disc-shaped steel bar is supported by the clamping eaves, and then the entire steel bar plate is rotated under the push of the rotating seat, and the top steel bar end enters the hollow column through the guide slope, and then the steel bar is made to Forcibly pass through the inner tube of the hollow column to directly straighten the steel bars of different thicknesses, and then discharge the materials sequentially from the outlet on the top of the bearing seat. The top of the pushing column is controlled by the cylinder, which is located in the console panel. When feeding, the cylinder raises the annular pressure plate to separate it from the rotary cylinder, and then the bearing seat is separated by the rotation of the position control frame, and then the feeding mechanism is lowered so that the feeding cylinder and the rotary cylinder are aligned up and down and contact each other. Then brake the cylinder in the material barrel to push the disc-shaped steel bar previously placed in the material barrel into the gyratory barrel to complete feeding. Therefore, the present invention straightens the steel bar by means of rotary ejection, and the straightening efficiency is high. , the operation is accurate, and the whole process does not need manual operation, which is simple and convenient.

Claims (1)

1. the rotation of an air cylinder driven reinforcing bar rotary straightener stretches mechanism null，It is characterized in that: include the rotating cabin (1) of cylinder，Being provided with in rotating cabin (1) can the disc rotating seat (2) of rotation，Rotating seat (2) is provided with the card eaves (3) of multiple spaced setting，The convolution cylinder (4) cooperated with rotating seat (2) it is additionally provided with in rotating cabin (1)，Described convolution cylinder (4) is hollow cylindrical structural，The cylindrical inner core (5) that multilayer and outer layer barrel are arranged concentrically is included in described convolution cylinder (4)，Described card eaves (3) is connected between adjacent two inner core (5) barrel successively，Multiple annular pressing plate (6) that can move it is provided with at vertical direction on the top of rotating cabin (1)，Described annular pressing plate (6) is sequentially arranged between adjacent two inner core (5) barrel，Each annular pressing plate (6) is all connected with the cylinder at rotating cabin (1) top by means of two ejector rods (7)，One of them ejector rod (7) is the open tubular column of both ends open，The bottom end opening of described open tubular column penetrates the annular pressing plate (6) of bottom，Guiding slope (8) it is provided with at the bottom end opening of described open tubular column，Top end opening is discharging opening (21)，Described batch charging mechanism is positioned at the top of rotating cabin (1)；

Being provided with on the top of rotating cabin (1) at vertical direction is the control platen (9) of layer structure, the cross sectional shape of described control platen (9) is inverted trapezoidal structure, it is equipped with a cylinder at each point of intralamellar part controlling platen (9), each cylinder is connected with its corresponding annular pressing plate (6) by piston rod, and described cylinder is controlled by switch board；

Control position frame (10) in inverted U-shaped it is additionally provided with on the top of rotating cabin (1), the bottom open end of described control position (10) two montants of frame is rotationally connected in the horizontal plane with the outer wall of rotating cabin (1), being relatively fixed connection on vertical plane, described control platen (9) is connected with the cross bar (11) of control position frame (10) by point plate topmost.