CN214814361U

CN214814361U - Hoop bending machine for reinforcing steel bars

Info

Publication number: CN214814361U
Application number: CN202023307853.XU
Authority: CN
Inventors: 陈建新; 周涌前
Original assignee: Wuxi Tengjia Machinery Technology Co ltd
Current assignee: Wuxi Tengjia Machinery Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-23
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a curved hoop machine for reinforcing bar, it can be crooked convenient to use from two forward and reverse directions to the reinforcing bar. The cutting mechanism and the hoop bending mechanism are sequentially arranged along the movement direction of a steel bar, the cutting mechanism comprises a hydraulic cylinder and an upper cutter plate, the hoop bending mechanism comprises a fixed shaft and a bending shaft, the bending shaft is provided with a bending opening, the steel bar penetrates through the bending opening and penetrates through the fixed shaft, a motor is installed at the bottom of the base and is connected with a connecting arm, a cylinder is installed on the connecting arm and is connected with the bending shaft, the bending shaft is driven by the cylinder to do stretching movement, when the cylinder stretches out, the bending shaft and the fixed shaft respectively stretch out of the base, the highest end of the bending shaft is higher than the height of the steel bar or is consistent with the height of the steel bar, when the cylinder retracts, the highest end of the bending shaft is lower than the height of the steel bar, the bending shaft rotates by taking the fixed shaft as the center of a circle, and an avoiding notch for avoiding the bending shaft is formed in the base.

Description

Hoop bending machine for reinforcing steel bars

Technical Field

The utility model relates to a reinforcing bar processing technology field specifically is a curved hoop machine for reinforcing bar.

Background

The hoop bending machine is a processing tool for operating the reinforcing steel bars, is an extension of a bending machine, can better process the reinforcing steel bars into a specified angle and a specified model, generally adopts a structure that one end of each reinforcing steel bar is fixed, the other end of each reinforcing steel bar is bent outwards, and the reinforcing steel bars are cut off after being bent to obtain the reinforcing steel bars with corresponding shapes. The common hoop bending machine can only bend the reinforcing steel bars towards one direction, and the produced reinforcing steel bars are single in shape.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a curved hoop machine for reinforcing bar, it can be crooked convenient to use to the reinforcing bar from two directions of forward and reverse.

The technical scheme is as follows: the utility model provides a curved hoop machine for reinforcing bar, its includes the base, fixed establishment, shutdown mechanism and curved hoop mechanism, fixed establishment shutdown mechanism with curved hoop mechanism sets gradually along the reinforcing bar direction of motion, shutdown mechanism includes pneumatic cylinder and last cutting board, its characterized in that: the hoop bending mechanism comprises a fixed shaft and a bending shaft, a bending opening is formed in the fixed shaft, a reinforcing steel bar penetrates through the bending opening, a motor is installed at the bottom of the base, the motor is connected with a connecting arm, a cylinder is installed on the connecting arm, the cylinder is connected with the bending shaft, the cylinder drives the bending shaft to stretch and contract, when the cylinder stretches out, the bending shaft and the fixed shaft stretch out respectively, the height of the base is higher than that of the reinforcing steel bar or the height of the reinforcing steel bar is consistent with that of the highest end of the base, when the cylinder retracts, the highest end of the bending shaft is lower than that of the reinforcing steel bar, the bending shaft rotates with the fixed shaft as the center of a circle, and a avoiding notch for avoiding the bending shaft is formed in the base.

It is further characterized in that:

the fixing mechanism is bench clamp;

the hydraulic cylinder is mounted on the base through a mounting frame, the hydraulic cylinder is connected with a pressing block arranged between the mounting frames, the upper knife board is located below the pressing block, connecting holes are formed in two sides of the upper portion of the upper knife board, a connecting piece penetrates through the mounting frame and extends into the connecting holes, a guide cavity is formed in the middle of the mounting frame, a guide long hole communicated with the guide cavity is formed in the side portion of the mounting frame, the connecting piece extends out of the guide long hole and longitudinally moves along the guide long hole, a lifting spring is arranged in the guide cavity, and the lifting spring is located below the connecting piece;

the cutting device also comprises a lower cutting board, and the lower cutting board and the upper cutting board are arranged in front and back;

the initial length of the lifting spring is less than the length of the guide cavity;

the part of the connecting piece extending out of the guide long hole is provided with threads, and the limiting nut is in threaded connection with the part of the connecting piece extending out of the guide long hole;

the thickness of the pressing block is a, the distance from the top of the upper knife board to the connecting hole is b, the distance from the top of the mounting frame to the top of the guide cavity is c, and c = a + b;

the bottom of the pressing block is provided with a positioning groove corresponding to the thickness of the upper cutting board, and when the upper cutting board is positioned in the positioning groove, the longitudinal plane where the connecting hole is located coincides with the longitudinal plane where the guide long hole is located.

After having adopted such structure, carry out the centre gripping to the reinforcing bar through fixed establishment, then drive the axle of bending through the motor and rotate and carry out forward bending to the reinforcing bar, the rethread cutting mechanism cuts off the reinforcing bar after the completion of bending, if need change the direction of bending at the in-process of bending, only need make the axle of bending be less than the reinforcing bar through the withdrawal of control cylinder then drive the axle of bending through the motor and continue to rotate and walk around the reinforcing bar, later stretch out again, drive the axle of bending reverse rotation through the motor and carry out reverse bending.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of a cutting mechanism;

FIG. 4 is a schematic view showing an installation state of the upper blade;

FIG. 5 is a side view of the mounting bracket;

FIG. 6 is a schematic bottom view of the pressure block.

Detailed Description

As shown in fig. 1 and 2, a hoop bending machine for reinforcing steel bars includes a base 100, a fixing mechanism 1, a cutting mechanism 2 and a hoop bending mechanism, wherein the fixing mechanism 1 (such as bench clamp), the cutting mechanism 2 and the hoop bending mechanism are sequentially arranged along a moving direction of a reinforcing steel bar 3, the cutting mechanism includes a hydraulic cylinder and an upper cutting board, and the hydraulic cylinder drives the upper cutting board to cut off the reinforcing steel bar; the hoop bending mechanism comprises a fixed shaft 4, a bending shaft 5, the fixed shaft is in contact with the bending shaft, a bending opening 41 is formed in the fixed shaft 4, a reinforcing steel bar penetrates through the bending opening, a motor 8 is installed at the bottom of the fixed shaft, the motor 8 is connected with a connecting arm 6, a cylinder 9 is installed on the connecting arm 6, the cylinder 9 is connected with the bending shaft 5, the bending shaft 5 is driven to move in a telescopic mode through the cylinder 9, when the cylinder 9 extends out, the bending shaft 5 and the fixed shaft 4 respectively extend out of the base 100, the highest end of the bending shaft is higher than the height of the reinforcing steel bar 3 or is consistent with the height of the reinforcing steel bar 3, when the cylinder 9 retracts, the highest end of the bending shaft 5 is lower than the height of the reinforcing steel bar 3, the bending shaft 5 rotates by taking the fixed shaft 4 as the center of a circle, and an avoiding notch 7 for avoiding the bending shaft is formed in the base 100.

When using, carry out the centre gripping through fixed establishment 1 to the reinforcing bar, then drive linking arm 6 through motor 8 and rotate and drive the axle of bending 5 and rotate and make the reinforcing bar that stretches out fixed axle 4 take place deformation, if need reverse bending, generally can loosen fixed establishment 1 and stretch out one section length with the reinforcing bar and again centre gripping while cylinder 9 control axle of bending 5 withdrawal and rotate the reinforcing bar opposite side and stretch out reverse rotation again and carry out reverse bending.

In addition, in order to facilitate replacement of the upper knife plate, referring to fig. 3, the cutting mechanism includes a hydraulic cylinder 101, an upper knife plate 102, and a lower knife plate 110, the hydraulic cylinder 101 is mounted on the base 100 through a mounting frame 103, the hydraulic cylinder 101 is connected with a pressing block 104 disposed between the mounting frame 103, the upper knife plate 102 is located below the pressing block 104, the lower knife plate 110 and the upper knife plate 102 are disposed in front of and behind each other, the upper knife plate 102 is provided with connecting holes 105 at both sides of the upper portion thereof, the connecting member 106 passes through the mounting frame 103 and extends into the connecting holes 105, the middle of the mounting frame 103 is provided with a guide cavity 107, referring to fig. 5, the side of the mounting frame 103 is provided with a guide long hole 108 communicated with the guide cavity 107, the connecting piece 106 extends out of the guide long hole 108 and longitudinally moves along the guide long hole 108, a lifting spring 109 is arranged in the guide cavity 107, the lifting spring 109 is positioned below the connecting piece 106, the initial length of the lifting spring 109 is smaller than the length of the guide cavity 107, and the connecting piece 106 is prevented from extending into the guide cavity.

After bending is finished, when the cutting mechanism is used, the hydraulic cylinder 101 drives the pressing block 104 to press downwards to drive the upper knife plate 102 to descend so as to cut off the steel bars, the hydraulic cylinder 101 drives the pressing block 104 to ascend after cutting, the lifting spring 109 resets and the lifting connecting piece 106 drives the upper knife plate 102 to ascend and reset, when the upper knife plate 102 needs to be replaced, the upper knife plate 102 can be taken out only by drawing out the connecting piece 106, and the connecting hole 105 is aligned with the guide long hole 108 during installation and then inserted into the connecting piece 106.

In addition, the part of the connecting piece 106 extending out of the long guide hole 108 is provided with threads, and the limiting nut 111 is in threaded connection with the part of the connecting piece 106 extending out of the long guide hole 108; the connector 106 is prevented from running out of itself during use.

With reference to fig. 4, the thickness of the pressing block 104 is a, the distance from the top of the upper knife plate 102 to the connecting hole 105 is b, the distance from the top of the mounting frame 103 to the top of the guide cavity 107 is c, and c = a + b; thus, the connecting member can be inserted into the connecting hole from the top of the long guide hole 108 by pressing the upper blade 102 against the pressing block, and the spring interference can be prevented. Referring to fig. 6, the bottom of the pressing block 104 is provided with a positioning groove 112 corresponding to the thickness of the upper knife plate 102, and when the upper knife plate 102 is located in the positioning groove 112, the longitudinal plane where the connecting hole 105 is located coincides with the longitudinal plane where the long guiding hole 108 is located; by adopting the structure, when the cutter is installed, the upper cutter plate 102 is clamped in the positioning groove 112, so that the connecting piece can be ensured to be inserted into the guide long hole and the connecting hole at the same time, and the replacement is convenient.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a curved hoop machine for reinforcing bar, its includes the base, fixed establishment, shutdown mechanism and curved hoop mechanism, fixed establishment shutdown mechanism with curved hoop mechanism sets gradually along the reinforcing bar direction of motion, shutdown mechanism includes pneumatic cylinder and last cutting board, its characterized in that: the hoop bending mechanism comprises a fixed shaft and a bending shaft, a bending opening is formed in the fixed shaft, a reinforcing steel bar penetrates through the bending opening, a motor is installed at the bottom of the base, the motor is connected with a connecting arm, a cylinder is installed on the connecting arm, the cylinder is connected with the bending shaft, the cylinder drives the bending shaft to stretch and contract, when the cylinder stretches out, the bending shaft and the fixed shaft stretch out respectively, the height of the base is higher than that of the reinforcing steel bar or the height of the reinforcing steel bar is consistent with that of the highest end of the base, when the cylinder retracts, the highest end of the bending shaft is lower than that of the reinforcing steel bar, the bending shaft rotates with the fixed shaft as the center of a circle, and a avoiding notch for avoiding the bending shaft is formed in the base.

2. A hoop bending machine for reinforcing steel bars as claimed in claim 1, wherein: the fixing mechanism is bench clamp.

3. A hoop bending machine for reinforcing steel bars as claimed in claim 1, wherein: install through the mounting bracket on the base the pneumatic cylinder, the pneumatic cylinder with locate briquetting between the mounting bracket is connected, it is located to go up the cutting board the briquetting below, go up cutting board upper portion both sides and seted up the connecting hole, the connecting piece passes the mounting bracket stretches into in the connecting hole, the direction chamber has been seted up in the middle of the mounting bracket, the mounting bracket lateral part seted up with the direction slot hole of direction chamber intercommunication, the connecting piece is followed stretch out and follow in the direction slot hole longitudinal movement, the direction intracavity is equipped with the lifting spring, the lifting spring is located the below of connecting piece.

4. A hoop bending machine for reinforcing steel bars as claimed in claim 3, wherein: the cutting device also comprises a lower cutting board, and the lower cutting board and the upper cutting board are arranged in the front and back.

5. A hoop bending machine for reinforcing steel bars as claimed in claim 3, wherein: the initial length of the lift spring is less than the length of the guide cavity.

6. A hoop bending machine for reinforcing steel bars as claimed in claim 3, wherein: the part of the connecting piece extending out of the guide long hole is provided with threads, and the limiting nut is in threaded connection with the part of the connecting piece extending out of the guide long hole.

7. A hoop bending machine for reinforcing steel bars as claimed in claim 5, wherein: the thickness of briquetting is a, go up the cutting board top to the distance of connecting hole is b, the distance of installing frame top to direction chamber top is c, c = a + b.

8. A hoop bending machine for reinforcing steel bars as claimed in claim 7, wherein: the bottom of the pressing block is provided with a positioning groove corresponding to the thickness of the upper cutting board, and when the upper cutting board is positioned in the positioning groove, the longitudinal plane where the connecting hole is located coincides with the longitudinal plane where the guide long hole is located.