CN113798407B - Bending device for large arc bending forming of reinforcing steel bars and using method thereof - Google Patents
Bending device for large arc bending forming of reinforcing steel bars and using method thereof Download PDFInfo
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- CN113798407B CN113798407B CN202010555554.3A CN202010555554A CN113798407B CN 113798407 B CN113798407 B CN 113798407B CN 202010555554 A CN202010555554 A CN 202010555554A CN 113798407 B CN113798407 B CN 113798407B
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- oil cylinder
- cylinder
- steel bar
- ejected
- oil
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- 238000005452 bending Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract 2
- 239000003921 oil Substances 0.000 claims description 104
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a bending device for forming a large arc of a steel bar and a using method thereof, the device comprises a base, baffle plates arranged on two sides of the base, a baffle plate bottom plate and a plurality of oil cylinder grooves arranged on the bottom plate, wherein the oil cylinder grooves are respectively provided with an oil cylinder which is controlled by a controller, a chuck groove is arranged in the middle oil cylinder groove, the middle oil cylinder is provided with a middle pressing block and a middle fixing block, the oil cylinder groups on two sides are provided with side pressing blocks, side fixing blocks and baffle rods, the steel bar is arranged in the chuck groove and is positioned between the middle pressing block and the middle fixing block, two ends of the steel bar are arranged at the baffle plate and the baffle plate bottom plate, the steel bar is positioned through the middle pressing block and the middle fixing block after each oil cylinder is started, and the steel bar is formed by the cooperation of the side pressing blocks, the side fixing blocks and the baffle rods. Simple structure, convenient to use can realize the quick curved arc shaping of reinforcing bar major arc, realize the accurate location of reinforcing bar, can guarantee the curved arc precision and the curved arc quality of reinforcing bar simultaneously.
Description
Technical Field
The invention relates to the field of steel bar bending forming equipment, in particular to a bending device for forming a large arc of a steel bar and a using method thereof.
Background
The existing steel bar bending machine has low bending efficiency, bending radian is difficult to control, the length of a steel bar can be changed in the bending process, the bending quality of the steel bar is unstable, the steel bar is greatly interfered by human factors, the bending quality of the steel bar is poor, the design requirement is difficult to meet, the steel bar welding is difficult to achieve, and the manufacturing and forming efficiency of a steel bar cage is reduced.
Defects of the traditional roller type steel bar arc 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 bending process, the bending quality of the steel bar is unstable, the bending quality of the steel bar is relatively poor due to the fact that the human factor is relatively great, and the design requirement is difficult to meet.
2) The steel bar welding machine brings great difficulty to steel bar welding and reduces the manufacturing and forming efficiency of the steel bar cage.
3) The motor is adopted to drive, the driving force is lower, the efficiency is lower, and the forming speed of the steel bar bending arc is full.
4) Unstable working performance, short service life and poor quality.
5) The operation method is complicated and has a certain danger. Therefore, improvements in the art are needed.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the bending device for forming the large arc of the steel bar and the using method thereof are provided, the steel bar is fast in arc forming, high in efficiency and capable of being formed in one step.
In order to achieve the above purpose, the invention provides a bending device for forming a large arc of a steel bar, which comprises a base, baffle plates, a baffle plate bottom plate and a plurality of oil cylinder grooves, wherein the baffle plates and the baffle plate bottom plate are arranged on two sides of the base, the oil cylinder grooves are respectively provided with an oil cylinder, the oil cylinders are controlled by a controller, a chuck groove is arranged in each middle oil cylinder groove, each middle oil cylinder is provided with a middle pressing block and a middle fixing block, the oil cylinder groups on two sides are provided with side pressing blocks, side fixing blocks and baffle plates, the steel bar is arranged in the chuck groove and between the middle pressing blocks and the middle fixing blocks, two ends of the steel bar are arranged at the baffle plate and the baffle plate bottom plate, the steel bar is positioned through the middle pressing blocks and the middle fixing blocks after each oil cylinder is started, and the steel bar is formed by the cooperation of the side pressing blocks, the side fixing blocks and the baffle plates.
Further, the middle oil cylinder is a first oil cylinder, the oil cylinder group comprises two second oil cylinders, 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, the distance between each stop lever and the end part of the corresponding oil cylinder groove is equal.
Further, 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.
Further, the oil cylinders are all hydraulic oil cylinders.
The invention also provides a using method of the bending device for forming the large arc of the steel bar, which comprises the following steps:
S1: placing the broken steel bars into a middle chuck groove, locking by a middle pressing block and a middle fixing block, and confirming that two ends are limited and leaning against;
S2: pressing a starting button, ejecting the first oil cylinder firstly, and then sequentially ejecting the second oil cylinder, the third oil cylinder and the fourth oil cylinder to the limit position of the stop lever;
S3: after maintaining the pressure in place for 1 second, the second oil cylinder, the third oil cylinder and the fourth oil cylinder are retracted to the original positions, and the middle pressing block and the middle fixing block of the first oil cylinder are opened and retracted to the first oil cylinder;
s4: and taking out the bent steel bars, and putting the steel bars on a large arc checking tool 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 invention adopts the technical proposal, which has the beneficial effects that:
1. The rapid arc bending forming of the large arc of the steel bar can be realized;
2. The accurate positioning of the steel bars can be realized;
3. The bending quality of the large 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 and forming quality of the steel bar can be reduced, and the consistency and the integrity of the quality of the steel bar are ensured;
5. and the bending precision and the bending quality of the 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 numerals in the drawings corresponding to the specification are referred to as follows:
Base 1, baffle 2, dog bottom plate 3, middle briquetting 4, middle fixed block 5, side pressure piece 6, side fixed block 7, pin 8, reinforcing bar 9, first hydro-cylinder 10, second hydro-cylinder 11, third hydro-cylinder 12, fourth hydro-cylinder 13.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
The drawings, the structures, proportions, and the sizes of the drawings, and the like, are used in conjunction with the disclosure of the present specification, and are not intended to limit the scope of the disclosure, which is defined by the claims, but rather by the claims, so that any structural modifications, proportional changes, or size adjustment may be made without affecting the efficacy of the disclosure and achieving the purpose, and are therefore within the scope of the disclosure. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
The first embodiment of the invention discloses a bending device for forming a large arc of a steel bar, which comprises a base 1, baffle plates 2, baffle plate bottom plates 3 and a plurality of oil cylinder grooves, wherein the baffle plates 2 and the baffle plate bottom plates 3 are arranged on two sides of the base 1, 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, chuck grooves are arranged in the middle oil cylinder grooves, the middle oil cylinders are provided with middle pressing blocks 4 and middle fixing blocks 5, oil cylinder groups on two sides are provided with side pressing blocks 6, side fixing blocks 7 and baffle plates 8, steel bars 9 are arranged in the chuck grooves and are positioned between the middle pressing blocks 4 and the middle fixing blocks 5, two ends of the steel bars 9 are arranged at the baffle plates 2 and the baffle plate bottom plates 3, and the steel bars 9 are positioned through the middle pressing blocks 4 and the middle fixing blocks 5 after being started, and are formed through the matching arc bending of the side pressing blocks 6, the side fixing blocks 7 and the baffle plates 8.
Specifically, the middle oil cylinder is a first oil cylinder 10, the oil cylinder group comprises two second oil cylinders 11, third oil cylinders 12 and fourth oil cylinders 13 which are symmetrically arranged on 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 work through a 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 consistency of the bending radian of each point of the steel bar 9 after pressure maintaining can be ensured. The stop lever 8 is of a rotatable structure, when the steel bar 9 is placed on the working table, the stop lever 8 is rotated to press the steel bar 9, so that the stable fixation of the steel bar 9 is realized, and the aim of limiting the steel bar 9 is fulfilled.
In specific use, firstly, the broken steel bar 9 is placed in a middle clamping head groove, and the two ends are confirmed to be limited and lean against each other, so that the middle pressing block 4 and the middle fixing block 5 of the first oil cylinder 10 press the steel bar 9; the starting button is pressed down, the first oil cylinder 10 is controlled to be ejected through the controller, after a certain time (usually 2 seconds, the quality of an arc can be guaranteed, and the efficiency of the arc can be guaranteed), the two second oil cylinders 11 are ejected, after 2 seconds, the third oil cylinder 12 is ejected, after 2 seconds, the two fourth oil cylinders 13 are ejected, the steel bars 9 at different points are all fixed at the baffle rod, after the pressure is maintained for 1 second in place, the second oil cylinder 11, the third oil cylinder 12 and the fourth oil cylinder 13 are simultaneously retracted, and the time control is realized by the controller, wherein the scheme is a scheme commonly used in the prior art, the middle pressing block 4 and the middle fixing block 5 at the first oil cylinder 10 are not required to be elaborated, and the steel bars 9 are simultaneously retracted; and taking out the bent steel bar 9, and placing the steel bar on an arc checking tool to confirm whether the arc is correct.
The bending device for forming the large arc of the steel bar, disclosed by the invention, has the advantages of simple structure and convenience in use, can realize rapid arc forming of the large arc of the steel bar 9, can realize accurate positioning of the steel bar 9, and can ensure the arc precision and the arc quality of the steel bar 9.
The second embodiment of the invention discloses a use method of a bending device for forming a large arc of a steel bar 9, and the second embodiment is the use method of the first embodiment and mainly comprises the following steps:
S1: placing the broken steel bars 9 into a middle chuck groove, locking by a middle pressing block 4 and a middle fixing block 5, and confirming that two ends are limited and lean against each other;
S2: pressing a starting button, firstly ejecting the first oil cylinder 10, and then sequentially ejecting the second oil cylinder 11, the third oil cylinder 12 and the fourth oil cylinder 13 to the limit position of the stop lever 8;
S3: after maintaining the pressure in place for 1 second, the second oil cylinder 11, the third oil cylinder 12 and the fourth oil cylinder 13 are retracted 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 is retracted;
S4: and taking out the bent steel bar 9, and putting the steel bar on a large arc checking tool to confirm whether the arc is correct.
In addition, the second cylinder 11 is ejected 2 seconds after the first cylinder 10 is ejected, the third cylinder 12 is ejected 2 seconds after the second cylinder 11 is ejected, and the fourth cylinder 13 is also ejected 2 seconds after the third cylinder 12 is ejected.
Since the second embodiment is a method of using the first embodiment, the beneficial effects of the second embodiment are the same as those of the first embodiment, and will not be described herein.
The foregoing describes specific embodiments of the invention. It is to be understood that the invention is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; numerous variations, changes, or substitutions of light can be made by one skilled in the art without departing from the spirit of the invention and the scope of the claims.
Claims (5)
1. The utility model provides a bending device of reinforcing bar large arc curved arc shaping which characterized in that: the device comprises a base, baffle plates, a baffle block bottom plate and a plurality of oil cylinder grooves, wherein the baffle plates are arranged on two sides of the base, the baffle plates and the baffle block bottom plate are arranged on the bottom plate, an oil cylinder is respectively arranged in the oil cylinder grooves and controlled by a controller, a chuck groove is arranged in the middle oil cylinder groove, a middle pressing block and a middle fixing block are arranged in the middle oil cylinder, a side pressing block, a side fixing block and a stop lever are arranged on the oil cylinder groups on two sides, reinforcing steel bars are arranged in the chuck grooves and are positioned between the middle pressing block and the middle fixing block, two ends of the reinforcing steel bars are arranged at the baffle plates and the baffle block bottom plate, the reinforcing steel bars are positioned through the middle pressing block and the middle fixing block after being started, and are formed through the matching bending of the side pressing block, the side fixing block and the stop lever;
the middle oil cylinder is a first oil cylinder, the oil cylinder group comprises two second oil cylinders, two third oil cylinders and two fourth oil cylinders which are symmetrically arranged on two sides of the first oil cylinder, and the adjacent oil cylinders are arranged at equal intervals;
The distance between each stop lever and the end part of the corresponding oil cylinder groove is equal;
therefore, the bending radian of each point of the steel bar after pressure maintaining is consistent, and the stop lever is of a rotatable structure;
Firstly, placing the broken steel bars into a middle chuck groove, enabling a middle pressing block and a middle fixing block of a first oil cylinder to press the steel bars, and confirming that two ends are limited and leaning against; the starting button is pressed down, the first oil cylinder is controlled to be ejected through the controller, the two second oil cylinders are ejected after a certain time, the two third oil cylinders are ejected after 2 seconds, the two fourth oil cylinders are ejected after 2 seconds, and steel bars at different points are fixed at the stop lever.
2. The bending device for forming the large 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 controlled to work sequentially through a controller.
3. The bending device for forming the large arc of the steel bar according to claim 1, wherein the oil cylinders are hydraulic oil cylinders.
4. A method of using the apparatus for forming a large arc of a steel bar, comprising the apparatus for forming a large arc of a steel bar according to any one of claims 1 to 3, comprising the steps of:
S1: placing the broken steel bars into a middle chuck groove, locking by a middle pressing block and a middle fixing block, and confirming that two ends are limited and leaning against;
S2: pressing a starting button, ejecting the first oil cylinder firstly, and then sequentially ejecting the second oil cylinder, the third oil cylinder and the fourth oil cylinder to the limit position of the stop lever;
S3: after maintaining the pressure in place for 1 second, the second oil cylinder, the third oil cylinder and the fourth oil cylinder are retracted to the original positions, and the middle pressing block and the middle fixing block of the first oil cylinder are opened and retracted to the first oil cylinder;
s4: and taking out the bent steel bars, and putting the steel bars on a large arc checking tool to confirm whether the arc is correct.
5. The method of claim 4, wherein the second cylinder is ejected 2 seconds after the first cylinder is ejected, the third cylinder is ejected 2 seconds after the second cylinder is ejected, and the fourth cylinder is ejected 2 seconds after the third cylinder is ejected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555554.3A CN113798407B (en) | 2020-06-17 | 2020-06-17 | Bending device for large arc bending forming of reinforcing steel bars and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555554.3A CN113798407B (en) | 2020-06-17 | 2020-06-17 | Bending device for large arc bending forming of reinforcing steel bars and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113798407A CN113798407A (en) | 2021-12-17 |
| CN113798407B true CN113798407B (en) | 2024-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010555554.3A Active CN113798407B (en) | 2020-06-17 | 2020-06-17 | Bending device for large arc bending forming of reinforcing steel bars and using method thereof |
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| Country | Link |
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| CN (1) | CN113798407B (en) |
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| CN101912907A (en) * | 2010-08-13 | 2010-12-15 | 安徽瑶海钢结构股份有限公司 | Cold-bending processing equipment and method of steel pipe |
| CN209094397U (en) * | 2018-11-07 | 2019-07-12 | 中铁十六局集团第三工程有限公司 | A kind of irregular arch steel bending machine |
| CN210676478U (en) * | 2019-07-18 | 2020-06-05 | 上海一建安装工程有限公司 | Hydraulic pipe bender |
| CN212760820U (en) * | 2020-06-17 | 2021-03-23 | 上海隧道工程智造海盐有限公司 | Bending device for bending large-arc-shaped reinforcing steel bar |
| CN113798405A (en) * | 2020-06-16 | 2021-12-17 | 上海城建隧道装备科技发展有限公司 | Double-head hydraulic bending device and using method thereof |
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| KR20130033841A (en) * | 2011-09-27 | 2013-04-04 | 주식회사 성우하이텍 | Ejecting device for stretch bender |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912907A (en) * | 2010-08-13 | 2010-12-15 | 安徽瑶海钢结构股份有限公司 | Cold-bending processing equipment and method of steel pipe |
| CN209094397U (en) * | 2018-11-07 | 2019-07-12 | 中铁十六局集团第三工程有限公司 | A kind of irregular arch steel bending machine |
| CN210676478U (en) * | 2019-07-18 | 2020-06-05 | 上海一建安装工程有限公司 | Hydraulic pipe bender |
| CN113798405A (en) * | 2020-06-16 | 2021-12-17 | 上海城建隧道装备科技发展有限公司 | Double-head hydraulic bending device and using method thereof |
| CN212760820U (en) * | 2020-06-17 | 2021-03-23 | 上海隧道工程智造海盐有限公司 | Bending device for bending large-arc-shaped reinforcing steel bar |
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| CN113798407A (en) | 2021-12-17 |
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Effective date of registration: 20220804 Address after: No. 1688, Hangzhou Bay Avenue, Xitangqiao Street (Haiyan Economic Development Zone), Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Shanghai tunnel engineering intelligent Sea Salt Co.,Ltd. Address before: Room 708-23, 1816 Haigang Avenue, Haiyan Economic Development Zone (Xitangqiao Street), Haiyan County, Jiaxing City, Zhejiang Province, 314300 Applicant before: Shanghai tunnel engineering intelligent Sea Salt Co.,Ltd. Applicant before: Shanghai Sanzhong Technology Equipment Co.,Ltd. |
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