阅读说明：本技术 一种钢筋大圆弧弯弧成型的弯曲装置及其使用方法 (Bending device for bending and forming large circular arc of steel bar and using method of bending device ) 是由 应卓清 朱海良 周志强 季建新 潘卫康 温和 李开建 王奇凡 李飞 李英达 于 2020-06-17 设计创作，主要内容包括：本发明公开了一种钢筋大圆弧弯弧成型的弯曲装置及其使用方法,该装置包括底座、设于底座两侧的挡板、挡块底板和设于底板上的多个油缸槽,油缸槽内分别设有一油缸,油缸通过控制器控制,中间油缸槽内设有夹头槽,中间的油缸设有中间压块和中间固定块,两侧的油缸组上设有侧压块、侧固定块和挡杆,钢筋设于夹头槽内并位于中间压块和中间固定块之间,钢筋的两端置于挡板、挡块底板处,钢筋在各个油缸被启动后通过中间压块和中间固定块定位,且通过侧压块、侧固定块和挡杆的配合弯弧成型。结构简单、使用方便,能够实现钢筋大圆弧的快速弯弧成型,实现钢筋的精准定位,同时能够保证钢筋的弯弧精度和弯弧质量。(The invention discloses a bending device for forming a large circular arc of a reinforcing steel bar and a using method thereof. Simple structure, convenient to use can realize the quick curved arc shaping of reinforcing bar orthodrome, realize the accurate location of reinforcing bar, can guarantee the curved arc precision and the curved arc quality of reinforcing bar simultaneously.)

1. The bending device for the large-arc bending forming of the steel bars is characterized by comprising a base, baffles arranged on two sides of the base, a stop block bottom plate and a plurality of oil cylinder grooves arranged on the bottom plate, wherein oil cylinders are respectively arranged in the oil cylinder grooves, the oil cylinders are controlled by a controller, a clamp groove is arranged in the middle oil cylinder groove, a middle press block and a middle fixed block are arranged in the middle oil cylinder, side press blocks, side fixed blocks and stop rods are arranged on oil cylinder groups on two sides, the steel bars are arranged in the clamp groove and located between the middle press blocks and the middle fixed blocks, two ends of the steel bars are arranged at the baffles and the stop block bottom plate, the steel bars are positioned by the middle press blocks and the middle fixed blocks after the oil cylinders are started, and the large-arc bending forming is achieved through the matching of the side press blocks, the side fixed blocks and the stop rods.

2. The bending device for bending the large circular arc of the steel bar according to claim 1, wherein the middle oil cylinder is a first oil cylinder, the oil cylinder group comprises a second oil cylinder, a third oil cylinder and a fourth oil cylinder which are symmetrically arranged at two sides of the first oil cylinder, and the adjacent oil cylinders are arranged at equal intervals.

3. The bending device for bending the large circular arc of the steel bar according to claim 1, wherein the distance between each stop lever and the end of the corresponding oil cylinder groove is equal.

4. The bending device for bending the large circular arc of the steel bar according to claim 1, wherein the first oil cylinder, the second oil cylinder, the third oil cylinder and the fourth oil cylinder are sequentially controlled by the controller to work.

5. The bending device for bending the large circular arc of the steel bar according to claim 1, wherein the oil cylinders are all hydraulic oil cylinders.

6. A method for using a bending device for bending a large circular arc of a steel bar, comprising the bending device for bending the large circular arc of the steel bar of any one of claims 1 to 5, and is characterized by comprising the following steps of:

s1: putting the broken steel bars into a middle chuck groove, locking the steel bars through a middle pressing block and a middle fixing block, and confirming that the two ends are limited and leaned against;

s2: when a start button is pressed, the first oil cylinder is ejected out firstly, and then the second oil cylinder, the third oil cylinder and the fourth oil cylinder are ejected out to the limit position of the stop lever in sequence;

s3: after the pressure is maintained for 1 second, the second oil cylinder, the third oil cylinder and the fourth oil cylinder return to the original positions, and a middle press block and a middle fixing block of the first oil cylinder are opened and return to the first oil cylinder;

s4: and taking out the bent reinforcing steel bar, and placing the reinforcing steel bar on the large arc checking fixture to confirm whether the arc is correct.

7. The using method of the bending device for the large-arc bending forming of the steel bars is characterized in that the second oil cylinder ejects out after the first oil cylinder ejects out for 2 seconds, the third oil cylinder ejects out after the second oil cylinder ejects out for 2 seconds, and the fourth oil cylinder ejects out after the third oil cylinder ejects out for 2 seconds.

Technical Field

The invention relates to the field of reinforcing steel bar arc bending forming equipment, in particular to a bending device for reinforcing steel bar orthodrome arc bending forming and a using method thereof.

Background

The existing steel bar arc bending machine is low in bending efficiency, the bending radian is difficult to control, the length of a steel bar can be changed in the arc bending process, the steel bar arc bending quality is unstable, the interference of human factors is large, the steel bar arc bending quality is poor, the design requirements are difficult to meet, the steel bar welding is also difficult, and the manufacturing and forming efficiency of a steel bar cage is reduced.

The defect of the traditional roller type reinforcing steel bar bending machine:

1) the bending efficiency is low, the bending radian is difficult to control, the length of the steel bar can be changed in the arc bending process, the arc bending quality of the steel bar is unstable, the interference of human factors is large, the arc bending quality of the steel bar is poor, and the design requirement is difficult to meet.

2) Great difficulty is brought to the welding of the steel bars, and the manufacturing and forming efficiency of the steel bar cage is reduced.

3) The motor is adopted for driving, the driving force is lower, the efficiency is lower, and the bending forming speed of the reinforcing steel bar is full.

4) The working performance is unstable, the service life is short, and the quality is poor.

5) The operation method is complicated and has certain danger. Therefore, improvements in the prior art are needed.

Disclosure of Invention

In order to overcome the defects in the prior art, the bending device for the large-arc bending forming of the reinforcing steel bars and the use method thereof are provided, the bending forming of the reinforcing steel bars is fast, the efficiency is high, and the one-step forming can be realized.

In order to achieve the purpose, the invention provides a bending device for forming a large arc of a reinforcing steel bar, which comprises a base, baffles arranged on two sides of the base, a stop block bottom plate and a plurality of oil cylinder grooves arranged on the bottom plate, wherein oil cylinders are respectively arranged in the oil cylinder grooves and controlled by a controller, a clamp groove is arranged in the middle oil cylinder groove, a middle press block and a middle fixed block are arranged in the middle oil cylinder, side press blocks, side fixed blocks and stop rods are arranged on the oil cylinder groups on two sides, the reinforcing steel bar is arranged in the clamp groove and positioned between the middle press block and the middle fixed block, two ends of the reinforcing steel bar are arranged at the baffles and the stop block bottom plate, and the reinforcing steel bar is positioned by the middle press block and the middle fixed block after each oil cylinder is started and is formed by the matching of the side press blocks, the side fixed blocks and the stop rods.

Furthermore, the middle oil cylinder is a first oil cylinder, the oil cylinder group comprises a second oil cylinder, a third oil cylinder and a fourth oil cylinder which are symmetrically arranged on two sides of the first oil cylinder, and the adjacent oil cylinders are arranged at equal intervals.

Further, each stop lever is equal in distance from the end of the corresponding oil cylinder groove.

Furthermore, the first oil cylinder, the second oil cylinder, the third oil cylinder and the fourth oil cylinder are controlled to work sequentially through the controller.

Furthermore, the oil cylinders are all hydraulic oil cylinders.

The invention also provides a use method of the bending device for the large-arc bending forming of the steel bar, which comprises the following steps:

s1: putting the broken steel bars into a middle chuck groove, locking the steel bars through a middle pressing block and a middle fixing block, and confirming that the two ends are limited and leaned against;

s2: when a start button is pressed, the first oil cylinder is ejected out firstly, and then the second oil cylinder, the third oil cylinder and the fourth oil cylinder are ejected out to the limit position of the stop lever in sequence;

s3: after the pressure is maintained for 1 second, the second oil cylinder, the third oil cylinder and the fourth oil cylinder return to the original positions, and a middle press block and a middle fixing block of the first oil cylinder are opened and return to the first oil cylinder;

s4: and taking out the bent reinforcing steel bar, and placing the reinforcing steel bar on the large arc checking fixture to confirm whether the arc is correct.

Further, the second cylinder is ejected after the first cylinder is ejected for 2 seconds, the third cylinder is ejected after the second cylinder is ejected for 2 seconds, and the fourth cylinder is ejected after the third cylinder is ejected for 2 seconds.

Compared with the prior art, the technical scheme adopted by the invention has the beneficial effects that:

1. the rapid arc bending forming of the steel bar large arc can be realized;

2. the accurate positioning of the reinforcing steel bars can be realized;

3. the bending quality of the large circular arc of the steel bar can be ensured, the accuracy of the bending radian is ensured, and the design requirement is met;

4. the influence degree of human factors on the bending forming quality of the reinforcing steel bars can be reduced, and the quality consistency and integrity of the reinforcing steel bars are ensured;

5. the bending precision and the bending quality of the reinforcing steel bar are ensured.

Drawings

FIG. 1 is a schematic front view of a bending apparatus according to a first embodiment of the present invention;

fig. 2 is a side view of a bending apparatus according to a first embodiment of the present invention.

Reference is made to the following in corresponding reference numbers in the drawings of the specification:

the hydraulic oil cylinder comprises a base 1, a baffle 2, a stop block bottom plate 3, a middle pressing block 4, a middle fixing block 5, a side pressing block 6, a side fixing block 7, a stop lever 8, a reinforcing steel bar 9, a first oil cylinder 10, a second oil cylinder 11, a third oil cylinder 12 and a fourth oil cylinder 13.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

The drawings attached to the present specification, the depicted structures, ratios, sizes, and the like are only used for matching the disclosure of the present specification, so that those skilled in the art can understand and read the present specification, and do not limit the conditions that the present invention can be implemented, so that the present specification does not have a substantial technical meaning, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The first embodiment of the invention discloses a bending device for bending a large circular arc of a reinforcing steel bar, which comprises a base 1, baffle plates 2 arranged at two sides of the base 1, a stop block bottom plate 3 and a plurality of oil cylinder grooves arranged on the base 1, wherein the oil cylinder grooves are respectively provided with an oil cylinder, the oil cylinders are all hydraulic oil cylinders, the oil cylinders are controlled by a controller, a clamping head groove is arranged in the middle oil cylinder groove, the middle oil cylinder is provided with a middle pressing block 4 and a middle fixing block 5, the oil cylinder groups at two sides are provided with side pressing blocks 6, side fixed block 7 and pin 8, reinforcing bar 9 locate the chuck inslot and lie in between briquetting 4 and the middle fixed block 5 in the middle of, baffle 2, dog bottom plate 3 department are arranged in at the both ends of reinforcing bar 9, and reinforcing bar 9 is fixed a position through middle briquetting 4 and middle fixed block 5 after each hydro-cylinder is started, and the cooperation curved arc shaping through side briquetting 6, side fixed block 7 and pin 8.

Specifically, the middle oil cylinder is a first oil cylinder 10, the oil cylinder group comprises a second oil cylinder 11, a third oil cylinder 12 and a fourth oil cylinder 13 which are symmetrically arranged at two sides of the first oil cylinder 10, the adjacent oil cylinders are arranged at equal intervals, and the first oil cylinder 10, the second oil cylinder 11, the third oil cylinder 12 and the fourth oil cylinder 13 sequentially control the work through the controller.

In addition, the distance between each stop lever 8 and the end part of the corresponding oil cylinder groove is equal, so that the bending radian of each point of the reinforcing steel bar 9 after pressure maintaining is consistent. The pin 8 is rotatable structure, places after table surface when reinforcing bar 9, rotates pin 8, can push down reinforcing bar 9, realizes reinforcing bar 9's stable fixed to reach the spacing purpose of reinforcing bar 9.

In specific use, firstly, the broken steel bars 9 are placed in the middle chuck groove, and the limit of two ends is confirmed to be close to, so that the middle pressing block 4 and the middle fixing block 5 of the first oil cylinder 10 tightly press the steel bars 9; the starting button is pressed, the first oil cylinder 10 is controlled to eject through the controller, after a certain time (usually 2 seconds, the arc bending quality and the arc bending efficiency can be guaranteed), the two second oil cylinders 11 eject, the third oil cylinder 12 ejects after 2 seconds, the two fourth oil cylinders 13 eject after 2 seconds, the reinforcing steel bars 9 at different points are fixed at the position of a stop lever, after the steel bars are in place and maintained for 1 second, the second oil cylinders 11, the third oil cylinders 12 and the fourth oil cylinders 13 return simultaneously, and the time control is realized through the controller, the scheme is a common scheme in the prior art, detailed explanation is not needed, the intermediate pressing block 4 and the intermediate fixing block 5 at the position of the first oil cylinder 10 release the reinforcing steel bars 9, and the first oil cylinder 10 returns at the same time; and taking out the bent reinforcing steel bar 9, and placing the reinforcing steel bar on the arc detection tool to confirm whether the arc is correct.

The bending device for bending the steel bar orthodrome in the first embodiment of the invention has simple structure and convenient use, can realize the rapid bending of the orthodrome of the steel bar 9, realize the accurate positioning of the steel bar 9, and simultaneously can ensure the bending precision and the bending quality of the steel bar 9.

The second embodiment of the invention discloses a use method of a bending device for bending and forming a large circular arc of a steel bar 9, which is the use method of the first embodiment and mainly comprises the following steps:

s1: putting the broken steel bars 9 into a middle chuck groove, locking the steel bars through a middle pressing block 4 and a middle fixing block 5, and confirming that the two ends are limited and leaned against;

s2: when a start button is pressed, the first oil cylinder 10 is ejected out firstly, and then the second oil cylinder 11, the third oil cylinder 12 and the fourth oil cylinder 13 are ejected out to the limit position of the stop lever 8 in sequence;

s3: after the pressure is maintained for 1 second, the second oil cylinder 11, the third oil cylinder 12 and the fourth oil cylinder 13 return to the original positions, the middle pressing block 4 and the middle fixing block 5 of the first oil cylinder 10 are opened, and the first oil cylinder 10 returns;

s4: and taking out the bent reinforcing steel bar 9, and placing the reinforcing steel bar on the large arc checking fixture to confirm whether the arc is correct.

In addition, the second cylinder 11 is ejected after the first cylinder 10 is ejected for 2 seconds, the third cylinder 12 is ejected after the second cylinder 11 is ejected for 2 seconds, and the fourth cylinder 13 is also ejected after the third cylinder 12 is ejected for 2 seconds.

Since the second embodiment is a use method of the first embodiment, the beneficial effects of the second embodiment of the present invention are the same as the first embodiment, and are not repeated herein.

Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.