CN114309344B - Multi-curvature long-arc-shaped steel bar bending machine and use method thereof - Google Patents
Multi-curvature long-arc-shaped steel bar bending machine and use method thereof Download PDFInfo
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- CN114309344B CN114309344B CN202111646806.4A CN202111646806A CN114309344B CN 114309344 B CN114309344 B CN 114309344B CN 202111646806 A CN202111646806 A CN 202111646806A CN 114309344 B CN114309344 B CN 114309344B
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- 238000005452 bending Methods 0.000 title claims abstract description 178
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 121
- 239000010959 steel Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Abstract
The invention discloses a bending machine for multi-curvature long arc-shaped steel bars and a use method thereof, wherein the steel bar bending machine comprises a machine body and an operation table, a rotating motor is arranged in the machine body, a fixing structure is arranged on the operation table, the fixing structure comprises a fixing frame and a fixing frame, the fixing frame is clamped on a placing plate of the operation table, the fixing frame is arranged on two sides of the fixing frame, and at least one fixing pile is arranged on at least one side of the fixing frame and vertically connected on the fixing frame; the first bending disc of the operation table is provided with a second bending disc, the second bending disc is provided with a plurality of first bending columns and at least one second bending column, and the plurality of first bending columns are arranged in a shape matched with the shape of the multi-curvature long arc-shaped steel bar. The multi-curvature long arc steel bar bending machine is used for processing multi-curvature long arc steel bars, so that the processing precision of the steel bars is improved, the processing time of the steel bars is shortened, the construction speed is improved, and the construction cost is saved.
Description
Technical Field
The invention relates to the field of reinforcement manufacturing, in particular to a multi-curvature long-arc-shaped reinforcement bender and a use method thereof.
Background
The steel bar bending machine is a main equipment for bending the steel bar, and can manufacture multi-angle bending. Fig. 1 shows a plane structure diagram of a traditional steel bar bender, which comprises a machine body and an operation table arranged on the machine body, wherein a first bending disc 2 is arranged in the middle of the operation table, a bending rotating shaft groove and a central rotating shaft groove are formed in the first bending disc 2, a central rotating shaft 21 and a bending rotating shaft 11 are respectively inserted into the two grooves, two sides of the first bending disc 2 are provided with placing plates 3, and bending pins 31 can be inserted into the placing plates 3; the inside rotating electrical machines that is provided with of fuselage can drive the rotation of first crooked dish 2, and the cooperation sets up the crooked round pin 31 on placing the board 3 again, can be with waiting to process reinforcing bar 1 according to the arc bending shaping of design after opening the motor.
In recent years, due to the continuous progress of design concepts, the continuous improvement of design requirements and the gradual novelty of design shapes, arc-shaped steel bars are increasingly widely applied in engineering construction, the length of the steel bars to be processed is more than 8m, the arc shape of the arc-shaped steel bars is formed by splicing a plurality of arc-shaped sections, the curvature radius of each arc-shaped section is different, and the required curvature radius of the multi-curvature long arc-shaped steel bars is increasingly larger in part of road construction, and the requirement on the length of the multi-curvature long arc-shaped steel bars is also increasingly longer. At present, the multi-curvature long arc-shaped steel bar is generally manufactured by a steel bar bending machine, and when the traditional steel bar bending machine is adopted for manufacturing the multi-curvature long arc-shaped steel bar, bending parameters are required to be manually set, the steel bar to be processed is bent for a plurality of times, the next bending can be performed after the pedal of the steel bar bending machine returns in each bending process, and the time consumption is long. And because of the influence in the aspect of the accuracy of the steel bar bender, after the traditional steel bar bender is used for bending the steel bars, the radian and the smoothness of the multi-curvature long-arc steel bars are often greatly different from those of the expected ideal form, and a large amount of time is consumed in the adjustment process because an operator holds a tool for secondary adjustment. Therefore, the traditional steel bar bending machine is adopted to manufacture the multi-curvature long-arc steel bar, the precision is low, the time consumption is long, and the construction progress is affected to a certain extent, so that the traditional steel bar bending process and technology are required to be innovated, and the multi-curvature long-arc steel bar bending machine for manufacturing the multi-curvature long-arc steel bar is developed.
Disclosure of Invention
The invention aims to solve the problems of low precision and long time consumption in the preparation of multi-curvature long arc-shaped steel bars in the prior art, and provides a bending machine for the multi-curvature long arc-shaped steel bars and a use method thereof, which ensure the precision of multi-curvature long arc-shaped steel bar processing in engineering and shorten the time for processing the multi-curvature long arc-shaped steel bars.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides a many curvatures long arc steel bar bender, includes the fuselage and sets up in the operation panel on the fuselage, be provided with the rotating electrical machines in the fuselage, be provided with fixed knot on the operation panel and construct, fixed knot constructs including fixed frame and mount, fixed frame joint is on the board of placing of operation panel, the mount sets up the fixed frame both sides, at least one side of mount is provided with at least one spud pile, the spud pile is vertical to be connected on the mount; the first bending disc of the operation table is provided with a second bending disc, the second bending disc is provided with a plurality of first bending columns and at least one second bending column, and the plurality of first bending columns are arranged in a mode of being matched with the shape of the multi-curvature long arc-shaped steel bars.
The size of the inner frame of the fixing frame in the fixing structure on the multi-curvature long-arc steel bar bender is matched with the size enclosed by the periphery of the placing plate, the fixing frame can be clamped on the placing plate and used for arranging fixing piles and guaranteeing the stability of the steel bar bender, the fixing piles are used for limiting the positions of steel bars to be processed, the processing precision of the steel bars can be improved, the second bending disc is arranged on the first bending disc, the arrangement shape of a plurality of first bending columns on the second bending disc is correspondingly matched with the multi-curvature arc shape of the multi-curvature long-arc steel bars, one end of the steel bars to be processed can be limited between the first bending columns and the second bending columns, and when the rotating motor in the machine body drives the first bending disc to horizontally rotate, the second bending disc is simultaneously driven to rotate, and the steel bars to be processed can be shaped according to the shapes of the plurality of first bending columns. The second bending disc is designed to be simple according to the forming size of the multi-curvature long arc-shaped steel bar, is formed at one time, does not need to be bent for many times, realizes rapid processing of the steel bar, has high processing precision of the multi-curvature long arc-shaped steel bar, is simple to manufacture, is convenient to disassemble and assemble, and can be rapidly replaced after the processing of one type of multi-curvature long arc-shaped steel bar is finished, and the processing of another type of multi-curvature long arc-shaped steel bar can be performed.
Further, the fixing structure is a channel steel bracket; furthermore, the channel steel bracket is formed by welding 10B type channel steel.
Further, the fixing piles are connected with the fixing frame through bolts and are detachably connected, when different types of multi-curvature long arc-shaped reinforcing steel bars are carried out, the positions of the fixing piles defining the positions of the multi-curvature long arc-shaped reinforcing steel bars can be different, and the fixing piles can be conveniently replaced and installed through the detachable connection between the fixing piles and the fixing frame.
Further, the fixed piles are arranged on the outer sides of the fixed holes, and the fixed piles are detachably connected with the fixing frame through bolts. When another reinforcement needs to be replaced for preparation, the disassembly of the fixing piles and the change of the positions of the fixing piles can be facilitated.
Further, fixing holes are formed in the fixing frame, the number of the fixing holes is an even number which is not smaller than two, and the even number of the fixing holes are symmetrically formed in two sides of the fixing frame; the fixing holes are internally provided with fixing rods, the lower ends of the fixing rods are connected or abutted with the ground on which the bending machine is placed, the fixing of the bending machine can be realized, and the working stability of the reinforcing steel bar bending machine is kept.
Further, the fixing rod is manufactured by processing steel bars; and placing ground embedded bars of the bending machine, and realizing connection of the lower end of the fixing rod with the ground in a steel bar welding mode.
Further, the number of the fixing holes is four, the four fixing holes are symmetrically arranged on two sides of the fixing frame, and two fixing holes are formed in one side of the fixing frame.
Further, the second bending disc is provided with a bending rotating shaft groove and a central rotating shaft groove which correspond to the bending rotating shaft and the central rotating shaft on the first bending disc, and the bending rotating shaft groove and the central rotating shaft groove are respectively inserted with the bending rotating shaft and the central rotating shaft, so that the connection of the second bending disc and the first bending disc is realized, and the connection is convenient and quick.
Further, a backing plate is arranged between the second bending disc and the first bending disc and used for improving the position of the second bending disc in the vertical direction; through holes corresponding to the positions of the bending rotating shaft groove and the central rotating shaft groove on the first bending disc are formed in the base plate, and the second bending disc, the base plate and the first bending disc are connected by inserting the bending rotating shaft.
Further, the second bending disc is a steel plate, and the thickness of the second bending disc is 10-20mm.
Further, the number of the first bending columns is at least six, the first bending columns are cylinders, the diameter of each first bending column is 20-35mm, and the height of each first bending column is 5-20cm. Still further, the spacing between adjacent first curved posts is 5-15mm.
In another aspect, the invention provides a method for using a bending machine for multi-curvature long arc steel bars, comprising the following steps:
(1) Switching on a motor power supply and setting rotation parameters;
(2) Placing one end of a steel bar to be processed between the first bending column and the second bending column, wherein the other end of the steel bar to be processed is abutted with the side face of the fixed pile;
(3) And the steel bar to be processed rotates along with the second bending disc, so that the steel bar to be processed is manufactured into a preset shape, and the multi-curvature long arc-shaped steel bar is obtained.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the second bending disc is designed according to the forming size of the multi-curvature long arc-shaped steel bar, one-time forming is realized, multiple bending operations are not needed, rapid processing of the steel bar is realized, the precision of processing the multi-curvature long arc-shaped steel bar is high, the second bending disc is easy to manufacture, and the second bending disc is arranged on the first bending disc through arranging the bending rotating shaft groove and the central rotating shaft groove, is convenient to detach and assemble, and can be rapidly replaced after the processing of one type of multi-curvature long arc-shaped steel bar is finished, and the processing of another type of multi-curvature long arc-shaped steel bar can be performed. The multi-curvature long-arc steel bar bender can improve the processing precision of steel bars, shorten the processing time, improve the construction speed and save the construction cost.
Description of the drawings:
Fig. 1 is a plan view structural diagram of a conventional reinforcing bar bender;
fig. 2 is a schematic view of a fixing structure in the multi-curvature long arc-shaped reinforcing bar bender of the present invention;
FIG. 3 is a schematic view of a shim plate in a multi-curvature long arc steel bender according to the present invention;
Fig. 4 is a schematic view of a second bending disc in the multi-curvature long arc-shaped bar bender of the present invention;
Fig. 5 is a plan view of a multi-curvature long arc-shaped bar bender according to the present invention;
fig. 6 is a schematic diagram of the multi-curvature long arc steel bar bender of the present invention;
The marks in the figure:
1-reinforcing steel bars to be processed, 2-first bending discs, 21-central rotating shafts, 22-bending rotating shafts, 3-placing plates, 4-fixing structures, 41-fixing frames, 42-fixing frames, 43-fixing holes, 44-fixing piles, 45-fixing rods, 5-backing plates, 6-second bending discs, 61-first bending columns and 62-second bending columns.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
The utility model provides a many curvatures long arc angle bending machine, includes the fuselage and sets up in the operation panel on the fuselage, be provided with the rotating electrical machines in the fuselage, be provided with fixed knot constructs 4 on the operation panel, fixed knot constructs 4 and includes fixed frame 41 and mount 42, fixed frame 41 joint is on the board 3 of placing of operation panel, and mount 42 sets up in fixed frame 41 both sides, and at least one side of mount 42 is provided with at least one spud 44, and the spud is vertical to be connected on mount 42; the first bending disc 2 of the operation table is provided with a second bending disc 6, and the second bending disc 6 is provided with a plurality of first bending columns 61 and at least one second bending column 62, wherein the first bending columns 61 are arranged in a shape matched with that of the multi-curvature long arc-shaped steel bars, as shown in fig. 2-5.
In the present embodiment, as shown in fig. 4, the second bending disk 6 is provided with a bending rotation shaft groove and a center rotation shaft groove corresponding to the bending rotation shaft 22 and the center rotation shaft 21 on the first bending disk 2, and the bending rotation shaft groove and the center rotation shaft groove are through holes. As shown in fig. 5, the bending rotation shaft 22 and the central rotation shaft 21 are respectively inserted into the bending rotation shaft groove and the central rotation shaft groove, so that the connection between the second bending disk 6 and the first bending disk 2 is realized conveniently and quickly.
As shown in fig. 2, the fixing structure 4 is a channel steel bracket, and the channel steel bracket is formed by cutting and welding 10B type channel steel.
In some embodiments, a fixing hole 43 is provided on the fixing frame 42; the number of the fixing holes 43 is an even number not smaller than two, and the even number of the fixing holes 43 are symmetrically arranged on two sides of the fixing frame 41; as shown in fig. 5, a fixing rod 45 is arranged in the fixing hole 43, the lower end of the fixing rod 45 is connected with the ground for placing the steel bar bender, so that the steel bar bender can be fixed, the weight of the steel bar can be better borne, and the working stability of the steel bar bender is kept. Specifically, the number of the fixing holes 43 is four, the four fixing holes 43 are symmetrically arranged at two sides of the fixing frame 41, and two fixing holes 43 are arranged at one side of the fixing frame; the fixed rod 45 is made of reinforced steel; the ground embedded bars of the steel bar bending machine are placed, and the lower ends of the fixing rods 45 are connected with the ground in a steel bar welding mode. In this embodiment, two fixing piles 44 are disposed on the left side of the fixing frame 42, and the fixing piles 44 are disposed outside the fixing holes 43, as shown in fig. 2, the fixing piles 44 are detachably connected with the fixing frame 42 through bolts, and when another reinforcement needs to be replaced, the fixing piles 44 can be conveniently detached and the positions of the fixing piles 44 can be conveniently changed.
In some embodiments, a backing plate 5 is provided between the second bending disc 6 and the first bending disc 2 for lifting the position of the second bending disc 6; the pad 5 is provided with through holes corresponding to the positions of the bending rotating shaft grooves and the central rotating shaft grooves of the first bending disc 2, and as shown in fig. 3, the connection of the second bending disc 6, the pad 5 and the first bending disc 2 is realized by inserting the central rotating shaft 21 and the bending rotating shaft 22. In the construction process of the steel bar 1 to be processed, the height of the second bending disc 6 is higher than that of the placing plate 3 and the fixing structure 4, otherwise, the second bending disc 6 is easy to rub against the placing plate 3 and the fixing structure 4 in the working process, so that a certain influence is generated on the improved steel bar bending machine, namely, the position of the second bending disc 6 can be lifted by adopting the backing plate 5, and the second bending disc 6 is lifted. In this embodiment, the shape of the shim plate 5 is identical to that of the first bending disc 2, the shim plate 5 is circular, the thickness of the shim plate 5 is determined according to the position of the second bending disc 6, and after the shim plate 5 is added between the second bending disc 6 and the first bending disc 2, the bottom surface of the second bending disc 6 is slightly higher than the highest point of the bending machine provided with the fixing structure 4.
In some embodiments, the second bending disc 6 is a steel plate and the second bending disc 6 is 14mm thick. In this embodiment, there are at least six first bending columns 61, two second bending columns 62, the first bending columns 61 are cylinders, the distance between adjacent cylinders of the first bending columns 61 is 10mm, the cylinders are steel bar piles, the diameter of each cylinder is 28mm, the height of each cylinder is 7cm, and the steel bar piles are welded with the second bending disc.
The long arc angle bending machine of many curvatures that this embodiment provided is the improvement that goes on traditional angle bending machine, in the installation, the fixed slot does not relate to the core work of angle bending machine on traditional angle bending machine, and the existence of fixed slot has hindered the installation of second bending dish to a certain extent, consequently before the installation of second bending dish, first dismantles the fixed slot through the bolt. The welded fixing structure is placed on the steel bar bending machine and clamped on the outer sides of the left placing plate 3 and the right placing plate 3, then the base plate is placed on the first bending disc, the second bending disc is placed on the base plate, at the moment, the center rotating shaft 21 and the bending rotating shaft 22 are inserted into the positions of the center rotating shaft groove and the bending rotating shaft groove respectively, and the fixing rod is fixedly connected with the ground through the fixing holes reserved in the fixing structure, so that the fixing structure 4 and the steel bar bending machine are fixed.
According to the invention, the second bending disc 6 is designed according to the forming size of the multi-curvature long arc-shaped steel bar, so that the rapid processing of the multi-curvature long arc-shaped steel bar is realized, the second bending disc 6 is easy to manufacture and convenient to disassemble and assemble, and the processing of the other type of steel bar can be rapidly performed after the processing of the one type of steel bar is finished.
Example 2
The embodiment provides a use method of a multi-curvature long arc-shaped steel bar bender, which comprises the following steps:
(1) Switching on a motor power supply and setting rotation parameters;
(2) Placing one end of the steel bar 1 to be processed between the first bending column 61 and the second bending column 62, and abutting the other end of the steel bar 1 to be processed with the side face of the fixed pile 44;
(3) The steel bar 1 to be processed rotates along with the second bending disc 6 to be manufactured into a preset shape, and the multi-curvature long arc-shaped steel bar is obtained; as shown in fig. 6.
In order to verify the effect of the bar bender of the present invention, the bar bender of the prior art and the bar bender modified by the present invention were used to prepare multi-curvature long arc-shaped bars as shown in fig. 6, respectively; by contrast, the processing speed of the multi-curvature long arc steel bar is doubled compared with that of the steel bar bender in the prior art, the processing precision is greatly increased, and the steel bar bender has good positive effects of ensuring the engineering construction quality and shortening the construction period. The conventional steel bar bender needs to manually adjust the positions of the steel bars repeatedly for a plurality of times, and the control of the bending deformation positions of the steel bars in the bending process is difficult, so that the bending shape of the steel bars is easy to deviate from the shape of a design structure, and the subsequent steel bar bundling and the pouring quality of reinforced concrete are affected.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The multi-curvature long arc steel bar bender comprises a machine body and an operating platform arranged on the machine body, wherein a rotating motor is arranged in the machine body,
The operation table is provided with a fixing structure (4), the fixing structure (4) comprises a fixing frame (41) and a fixing frame (42), the fixing frame (41) is clamped on a placing plate (3) of the operation table, the fixing frame (42) is arranged on two sides of the fixing frame (41), at least one side of the fixing frame (42) is provided with at least one fixing pile (44), and the fixing piles (44) are vertically connected to the fixing frame (42); the fixing frame (42) is provided with four fixing holes (43), the four fixing holes (43) are symmetrically arranged on two sides of the fixing frame (41), and two fixing holes (43) are formed in one side of the fixing frame; a fixed rod (45) is arranged in the fixed hole (43), and the lower end of the fixed rod (45) is connected or abutted with the ground on which the bending machine is placed;
A second bending disc (6) is arranged on the first bending disc (2) of the operation table, a plurality of first bending columns (61) and at least one second bending column (62) are arranged on the second bending disc (6), and the plurality of first bending columns (61) are arranged in a shape matched with the shape of the multi-curvature long arc-shaped steel bar; the arc-shaped edge of the second bending disc (6) is positioned at the outer side of the placing plate (3); a backing plate (5) is arranged between the second bending disc (6) and the first bending disc (2); the base plate (5) is provided with through holes corresponding to the bending rotating shaft grooves and the central rotating shaft grooves of the first bending disc (2);
the using method of the steel bar bender comprises the following steps:
(1) Switching on a motor power supply and setting rotation parameters;
(2) One end of the steel bar (1) to be processed is placed between the first bending column (61) and the second bending column (62), and the other end of the steel bar (1) to be processed is abutted against the side face of the fixed pile (44);
(3) The steel bar (1) to be processed rotates along with the second bending disc (6) to be manufactured into a preset shape, and the multi-curvature long arc-shaped steel bar is obtained.
2. The multi-curvature long arc steel bar bender according to claim 1, characterized in that the fixed structure (4) is a channel bracket; the channel steel bracket is formed by welding 10B type channel steel.
3. The multi-curvature long arc steel bar bender according to claim 1, wherein the fixing rod (45) is manufactured by using steel bar processing.
4. The multi-curvature long arc reinforcing bar bender according to claim 1, wherein the second bending disk (6) is provided with a bending rotation shaft groove and a central rotation shaft groove corresponding to the bending rotation shaft (22) and the central rotation shaft (21) of the first bending disk (2).
5. The multi-curvature long arc steel bar bender according to claim 1, wherein the second bending plate (6) is a steel plate, and the thickness of the second bending plate (6) is 10-20mm.
6. The multi-curvature long arc-shaped steel bar bender according to claim 1, wherein the number of the first bending columns (61) is at least six, the first bending columns (61) are cylinders, the diameter of the first bending columns (61) is 20-35mm, and the height of the first bending columns (61) is 5-20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111646806.4A CN114309344B (en) | 2021-12-29 | 2021-12-29 | Multi-curvature long-arc-shaped steel bar bending machine and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111646806.4A CN114309344B (en) | 2021-12-29 | 2021-12-29 | Multi-curvature long-arc-shaped steel bar bending machine and use method thereof |
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| CN114309344A CN114309344A (en) | 2022-04-12 |
| CN114309344B true CN114309344B (en) | 2024-05-28 |
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| CN101765468A (en) * | 2007-07-27 | 2010-06-30 | 马尼株式会社 | Bending method of medical suture needle |
| CN205571248U (en) * | 2016-03-15 | 2016-09-14 | 长葛市全鑫工程机械制造有限公司 | Angle bending machine of board is placed to two locating pins |
| CN108655293A (en) * | 2018-06-30 | 2018-10-16 | 北京城乡隧盾国际建设工程有限公司 | A kind of angle-bender |
| CN208929079U (en) * | 2018-09-25 | 2019-06-04 | 三峡昌耀管廊建设有限公司 | A kind of angle-bender |
| CN113319220A (en) * | 2021-06-23 | 2021-08-31 | 赵海峰 | Intelligent steel bar multi-shape processing equipment and processing method thereof |
| CN214321605U (en) * | 2021-02-23 | 2021-10-01 | 上海远东杨园道桥有限公司 | Steel bar bender |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8631674B2 (en) * | 2008-12-17 | 2014-01-21 | Aim, Inc. | Devices, systems and methods for automated wire bending |
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- 2021-12-29 CN CN202111646806.4A patent/CN114309344B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101765468A (en) * | 2007-07-27 | 2010-06-30 | 马尼株式会社 | Bending method of medical suture needle |
| CN205571248U (en) * | 2016-03-15 | 2016-09-14 | 长葛市全鑫工程机械制造有限公司 | Angle bending machine of board is placed to two locating pins |
| CN108655293A (en) * | 2018-06-30 | 2018-10-16 | 北京城乡隧盾国际建设工程有限公司 | A kind of angle-bender |
| CN208929079U (en) * | 2018-09-25 | 2019-06-04 | 三峡昌耀管廊建设有限公司 | A kind of angle-bender |
| CN214321605U (en) * | 2021-02-23 | 2021-10-01 | 上海远东杨园道桥有限公司 | Steel bar bender |
| CN113319220A (en) * | 2021-06-23 | 2021-08-31 | 赵海峰 | Intelligent steel bar multi-shape processing equipment and processing method thereof |
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| CN114309344A (en) | 2022-04-12 |
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