CN107855434B - Hydraulic control bending host - Google Patents
Hydraulic control bending host Download PDFInfo
- Publication number
- CN107855434B CN107855434B CN201711098015.6A CN201711098015A CN107855434B CN 107855434 B CN107855434 B CN 107855434B CN 201711098015 A CN201711098015 A CN 201711098015A CN 107855434 B CN107855434 B CN 107855434B
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- Prior art keywords
- bending
- shaft
- host machine
- telescopic
- rotating shaft
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- 238000005452 bending Methods 0.000 title claims abstract description 87
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000009827 uniform distribution Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement 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)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of steel bar bending equipment, and discloses a hydraulically controlled bending host machine which comprises a walking track, a host machine support moving along the walking track, a bending driving device which is arranged on the host machine support and driven by hydraulic pressure, a rotating shaft which is arranged on the host machine support and driven by the bending driving device to rotate, a telescopic shaft which is arranged on the host machine support and driven by hydraulic pressure, a bending shaft which is connected with the telescopic shaft, a central shaft which is arranged on the host machine support, the telescopic shaft is arranged in the rotating shaft in a penetrating manner and can axially move relative to the rotating shaft, and the rotating shaft can drive the telescopic shaft to rotate. Through above-mentioned structure, adopt hydraulic drive bending drive device and flexible drive device, can drive flexible axle crooked and flexible, and then realize the two-way bending to the reinforcing bar. The motor speed reducer is adopted as a power source in the existing steel bar bending production line, and the problems of high production cost, unstable work and high failure rate are solved.
Description
Technical Field
The invention relates to the technical field of steel bar bending equipment, in particular to a hydraulic control bending host machine.
Background
At present, a large number of reinforcing bars with different specifications and forms are needed for a reinforcing bar distribution base so as to meet the construction of infrastructures such as bridges, highways and subways, and the like, and bending of the reinforcing bars can be realized through a bending machine in the reinforcing bar bending production line in the prior art at present, an existing bending host adopts a motor speed reducer as a power source for driving a bending shaft to rotate so as to realize bending of the reinforcing bars, but the motor speed reducer has the problems of high production cost, unstable work and high failure rate in a mode of taking the motor speed reducer as the power source.
Disclosure of Invention
The invention aims to provide a hydraulically-controlled bending host machine, which solves the problems of high production cost, unstable work and high failure rate in the prior art that a motor speed reducer is adopted as a power source in a reinforcing steel bar bending production line.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a crooked host computer of hydraulic control, its characterized in that, includes the walking track, follows the host computer support of walking track removal, install on the host computer support and by hydraulic drive crooked drive arrangement, by crooked drive arrangement drive pivoted axis of rotation, install on the host computer support and by hydraulic drive's flexible drive arrangement, by flexible drive arrangement drive flexible telescopic shaft, connect in the bending axis of telescopic shaft, and install the center pin on the host computer support, the telescopic shaft wears to establish in the axis of rotation, and for but axis of rotation axial displacement, the axis of rotation can drive the telescopic shaft rotates.
Preferably, the bending driving device comprises a bending oil cylinder vertically arranged on the host bracket, a bending rack connected to the output end of the bending oil cylinder, and teeth meshed with the bending rack are circumferentially arranged on the rotating shaft.
Preferably, a rack guide block is vertically arranged on the host bracket, and one side of the curved rack, which is not meshed with the teeth, is slidably arranged on the rack guide block.
Preferably, the telescopic driving device comprises a telescopic cylinder horizontally mounted on the host bracket and a telescopic connecting block connected to the output end of the telescopic cylinder, a cavity is formed in one end of the telescopic shaft, the telescopic connecting block is arranged in the cavity, and the telescopic shaft is rotatable relative to the output end of the telescopic cylinder.
Preferably, the telescopic shaft is provided with a waist-shaped groove, a key is arranged in the waist-shaped groove, the rotating shaft is provided with a through key groove with the length larger than that of the key in a penetrating way along the axial direction of the rotating shaft, and the telescopic shaft is connected with the rotating shaft through the key.
Preferably, the device further comprises a first detection assembly, the first detection assembly comprises a first support plate arranged on the host bracket and a first rotating shaft rotatably arranged on the first support plate, one end of the first rotating shaft is fixedly connected with a first dividing plate with circumferentially distributed holes, the other end of the first rotating shaft is fixedly provided with a first chain wheel, the first chain wheel is connected with a second chain wheel through a chain, the second chain wheel is fixedly connected with the rotating shaft, and a first detection switch matched with the first dividing plate for use is further arranged on the first support plate.
Preferably, the walking driving device further comprises a walking motor arranged on the host bracket, a walking gear fixedly connected to the output end of the walking motor, and a walking rack arranged on the walking track, wherein the walking gear is meshed with the walking rack.
Preferably, the walking device further comprises a second detection assembly, the second detection assembly comprises a second support plate arranged on the host bracket and a second rotating shaft rotatably arranged on the second support plate, one end of the second rotating shaft is fixedly connected with a second dividing disc with circumferentially distributed holes and a first belt pulley, the first belt pulley is connected with a second belt pulley through a belt, the second belt pulley is fixedly connected to the output end of the walking motor, and a second detection switch matched with the second dividing disc is further arranged on the second support plate.
Preferably, the device further comprises two groups of first supporting rollers which are arranged at the front end and the rear end of the host bracket and are rotatably connected to one side of the host bracket, and a second supporting roller which is rotatably arranged at one side of the traveling rack, which is not meshed with the traveling gear.
Preferably, a bearing is mounted at one end of the central shaft, and the bearing is disposed coaxially with the telescopic shaft.
The invention has the beneficial effects that: through above-mentioned structure, adopt hydraulic drive bending drive device and flexible drive device, can drive flexible axle crooked and flexible, and then realize the two-way bending to the reinforcing bar. The motor speed reducer is adopted as a power source in the existing steel bar bending production line, and the problems of high production cost, unstable work and high failure rate are solved.
Drawings
FIG. 1 is a front view of a hydraulically controlled bending host of the present invention;
FIG. 2 is a view in the direction A of FIG. 1;
fig. 3 is a top view of fig. 1.
FIG. 4 is a schematic view of the mounting structure of the walking driving device and the second detection assembly of the present invention;
fig. 5 is an enlarged schematic view of the invention at B of fig. 2.
In the figure:
1. a walking rail; 2. a host bracket; 3. a rotating shaft; 4. a telescopic shaft; 5. a bending shaft; 6. a central shaft; 7. bending oil cylinder; 8. bending the rack; 9. a rack guide block; 10. a telescopic oil cylinder; 11. a telescopic connecting block; 12. a first detection assembly; 13. a walking motor; 14. a traveling gear; 15. a walking rack; 16. a second detection assembly; 17. a first backup roll; 18. a second support roller; 19. a bearing; 20. a slide rail; 30. reinforcing steel bars; 41. a cavity; 42. a waist-shaped groove; 121. a first support plate; 122. a first rotating shaft; 123. a first dividing plate; 124. a first sprocket; 125. a chain; 126. a second sprocket; 127. a first detection switch; 161. a second support plate; 162. a second rotating shaft; 163. a second dividing plate; 164. a first pulley; 165. a belt; 166. a second pulley; 167. and a second detection switch.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The invention provides a hydraulic control bending host machine, which is shown in fig. 1-3, and comprises a walking track 1, a host machine bracket 2, a bending driving device, a rotating shaft 3, a telescopic driving device, a telescopic shaft 4, a bending shaft 5, a central shaft 6 and a walking driving device, wherein:
the host bracket 2 can move along the walking track 1, specifically, the host bracket 2 is driven by the walking driving device to move along the walking track 1. Referring to fig. 1 and 4, the traveling driving device includes a traveling motor 13 mounted on the main frame support 2, a traveling gear 14 fixedly connected to an output end of the traveling motor 13, and a traveling rack 15 mounted on the traveling rail 1, wherein the traveling gear 14 is engaged with the traveling rack 15. The traveling gear 14 is driven to rotate by the traveling motor 13, and the host bracket 2 moves along the traveling rack 15 through the engagement of the traveling gear 14 and the traveling rack 15.
Further, in order to control the movement amount of the host bracket 2, as shown in fig. 4, the present embodiment is further provided with a second detection assembly 16, where the second detection assembly 16 includes a second support plate 161 horizontally mounted on the host bracket 2, a second rotating shaft 162 rotatably mounted on the second support plate 161, specifically, a bearing seat and a bearing may be mounted on the second support plate 161, one end of the second rotating shaft 162 is inserted into the bearing, the other end of the second rotating shaft 162 is fixedly connected with a second dividing plate 163 and a first belt pulley 164 with circumferentially uniform holes, the first belt pulley 164 is connected with a second belt pulley 166 through a belt 165, the second belt pulley 166 is fixedly connected on the output end of the walking motor 13, and a second detection switch 167 which is used in cooperation with the second dividing plate 163 and mounted on the second support plate 161 is further provided on the second support plate 161. When the output end of the traveling motor 13 rotates, the second pulley 166 rotates along with the traveling motor, so as to drive the first pulley 164 to rotate, the first pulley 164 drives the second rotating shaft 162 and the second dividing plate 163 thereon to rotate, and at this time, the second detecting switch 167 detects the rotation angle of the traveling motor 13 through the hole of the second dividing plate 163, so as to control the traveling distance of the host bracket 2.
Further, in order to ensure the stability of the host bracket 2 when moving relative to the walking track 1, in this embodiment, a set of first supporting rollers 17 are respectively disposed at the front and rear ends of the host bracket 2, and referring to fig. 2, a sliding rail 20 is disposed at one side of the host bracket 2, each set of first supporting rollers 17 is provided with two first supporting rollers 17, and the two first supporting rollers 17 are disposed on the upper and lower sides of the sliding rail 20 in a vertically scrollable manner. The side of the travelling rack 15 which does not engage with the travelling gear 14 is further provided with a second support roller 18, and the second support roller 18 can roll along the side of the travelling rack 15.
As shown in fig. 2, the bending driving device comprises a bending cylinder 7 vertically arranged on the main frame support 2, and a bending rack 8 connected to the output end of the bending cylinder 7, and the rotating shaft 3 is circumferentially provided with teeth meshed with the bending rack 8. In this embodiment, the output end of the bending cylinder 7 is vertically arranged upwards, and the bending rack 8 can be driven to stretch and retract through the stretch and retraction of the bending cylinder 7, so that the rotating shaft 3 meshed with the bending rack 8 rotates.
In this embodiment, further, a rack guide block 9 is vertically disposed on the main frame support 2, and a side of the curved rack 8, which does not engage with the teeth of the rotating shaft 3, is slidably mounted on the rack guide block 9. By this rack guide block 9, the stability of the upward and downward movement of the curved rack 8 can be enhanced.
The first detecting component 12 is further provided in this embodiment, as shown in fig. 5, the first detecting component 12 includes a first supporting plate 121 mounted on the host bracket 2, a first rotating shaft 122 rotatably mounted on the first supporting plate 121, a first dividing plate 123 fixedly connected to one end of the first rotating shaft 122, and a first sprocket 124 fixedly mounted on the other end of the first dividing plate 123, wherein a plurality of holes are circumferentially and uniformly distributed on the first dividing plate 123, the first dividing plate 123 is matched with a first detecting switch 127 mounted on the first supporting plate 121, the first sprocket 124 is connected with a second sprocket 126 through a chain 125, the second sprocket 126 is fixedly connected to the rotating shaft 3, when the rotating shaft 3 rotates, the second sprocket 126 rotates along with the second sprocket, so as to drive the first sprocket 124 to rotate, the first rotating shaft 122 and the first dividing plate 123 thereon are driven by the first sprocket 124, and then the first detecting switch 127 detects the rotating angle of the rotating shaft 3 through the holes on the first dividing plate 123, so that the rotating angle of the rotating shaft 3 can be controlled, and bending forming of any angle of the rotating shaft 30 is realized.
In this embodiment, the rotating shaft 3 is rotatably disposed on the host bracket 2, and specifically, two ends of the rotating shaft 3 may be mounted on the host bracket 2 through bearings, so as to implement rotation of the rotating shaft 3.
As shown in fig. 2 and 5, the above-mentioned telescopic driving device includes a telescopic cylinder 10 horizontally mounted on a host bracket 2, and a telescopic connection block 11 connected to an output end of the telescopic cylinder 10, a cavity 41 is provided at one end of the above-mentioned telescopic shaft 4, the telescopic connection block 11 is disposed in the cavity 41, and the telescopic connection block 11 can be driven to stretch and retract by the telescopic cylinder 10, and the telescopic connection block 11 drives the telescopic shaft 4 to stretch and retract. The output end of the telescopic cylinder 10 extends into the cavity 41 of the telescopic shaft 4, and the telescopic shaft 4 is rotatable relative to the output end of the telescopic cylinder 10.
As shown in fig. 5, a waist-shaped groove 42 is provided in the telescopic shaft 4, a key (not shown) is provided in the waist-shaped groove 42, a through-key groove (not shown) having a length longer than the key is provided in the rotary shaft 3 so as to penetrate the rotary shaft in the axial direction, and the length of the through-key groove is longer than the length of the key, the length of the waist-shaped groove 42 is the same as the length of the key, the telescopic shaft 4 and the rotary shaft 3 are connected by the key, specifically, the key is provided between the waist-shaped groove 42 and the through-key groove, and the telescopic shaft 4 and the rotary shaft 3 are connected. Since the length of the key groove is longer than the length of the key, the telescopic shaft 4 can be axially moved along the rotation shaft 3. The telescopic shaft 4 is connected with the rotating shaft 3 through a key, so that the rotating shaft 3 drives the telescopic shaft 4 to rotate.
A bending shaft 5 is fixedly connected to one end of the telescopic shaft 4, and the axis of the bending shaft 5 and the axis of the telescopic shaft 4 are arranged in parallel. When the telescopic shaft 4 rotates with the rotating shaft 3, the bending shaft 5 rotates with the telescopic shaft 4, and bending of the reinforcing bars 30 can be achieved.
As shown in fig. 2, the main frame 2 is further provided with a central shaft 6, and the central shaft 6 cooperates with the bending shaft 5 to implement the bending process of the reinforcing steel bar 30.
In this embodiment, a bearing 19 is preferably attached to one end of the center shaft 6, and the bearing 19 is preferably disposed coaxially with the telescopic shaft 4. When the telescopic shaft 4 stretches out, the end part of the telescopic shaft can be placed in the bearing 19, so that the telescopic shaft 4 is prevented from shaking when the steel bar 30 is bent, and the stability of the steel bar 30 is improved.
When the above-mentioned hydraulically controlled bending host machine of this embodiment works, firstly, a corresponding automatic control program is set according to the specification of the steel bar 30, then the steel bar 30 is placed in the middle position of the central shaft 6, the traveling motor 13 is started, the traveling motor 13 drives the host machine support 2 and the bending driving device and the telescopic driving device thereon to move to the position to be bent along the length direction of the steel bar 30, and specifically, the second detection assembly 16 can be used to achieve accurate reaching to the position to be bent. Then, the telescopic cylinder 10 is started to enable the telescopic shaft 4 to extend, the telescopic shaft 4 drives the bending shaft 5 to extend, then the bending cylinder 7 is started, the bending cylinder 7 drives the rotating shaft 3, the telescopic shaft 4 and the bending shaft 5 to rotate, the bending shaft 5 bends the steel bars 30 by a required angle, and in the bending process, the bending angle of the bending shaft 5 can be detected through the first detection component 12 so as to accurately control the bending angle of the steel bars 30.
When the steel bar 30 needs to be bent anticlockwise, the bending shaft 5 is driven to retract through the telescopic oil cylinder 10, then the bending shaft 5 is driven to rotate clockwise by a certain angle through the bending oil cylinder 7, then the telescopic oil cylinder 10 drives the bending shaft 5 to extend, the bending shaft 5 is driven to rotate through the bending oil cylinder 7, and the steel bar 30 is bent anticlockwise, so that bidirectional bending of the steel bar 30 is achieved.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. The bending host machine is characterized by comprising a walking track (1), a host machine support (2) moving along the walking track (1), a bending driving device which is arranged on the host machine support (2) and driven by hydraulic pressure, a rotating shaft (3) which is arranged on the host machine support (2) and driven by the bending driving device, a telescopic shaft (4) which is arranged on the host machine support (2) and driven by hydraulic pressure, a bending shaft (5) which is connected with the telescopic shaft (4) and a central shaft (6) which is arranged on the host machine support (2), wherein the telescopic shaft (4) is penetrated in the rotating shaft (3) and can axially move relative to the rotating shaft (3), and the rotating shaft (3) can drive the telescopic shaft (4) to rotate;
the telescopic driving device comprises a telescopic oil cylinder (10) horizontally arranged on the host bracket (2) and a telescopic connecting block (11) connected to the output end of the telescopic oil cylinder (10), a cavity (41) is formed in one end of the telescopic shaft (4), the telescopic connecting block (11) is arranged in the cavity (41), and the telescopic shaft (4) can rotate relative to the output end of the telescopic oil cylinder (10);
still include first detection component (12), first detection component (12) are including installing first backup pad (121) on host computer support (2) to and rotate first pivot (122) of installing on first backup pad (121), the one end rigid coupling of first pivot (122) has first graduated disk (123) of circumference uniform distribution hole, and the other end has set firmly first sprocket (124), first sprocket (124) are connected with second sprocket (126) through chain (125), second sprocket (126) rigid coupling is in on axis of rotation (3), still be equipped with on first backup pad (121) with first detection switch (127) that first graduated disk (123) cooperation was used.
2. The hydraulically controlled bending host machine according to claim 1, characterized in that the bending drive means comprise a bending cylinder (7) arranged vertically on the host machine frame (2), a bending rack (8) connected to the output end of the bending cylinder (7), the rotation shaft (3) being provided circumferentially with teeth engaging with the bending rack (8).
3. The hydraulically controlled bending host machine according to claim 2, characterized in that a rack guide block (9) is vertically arranged on the host machine support (2), and that the side of the bending rack (8) which does not engage the teeth is slidingly mounted on the rack guide block (9).
4. The hydraulically controlled bending host machine according to claim 1, wherein the telescopic shaft (4) is provided with a waist-shaped groove (42), a key is arranged in the waist-shaped groove (42), the rotating shaft (3) is provided with a through key groove with the length longer than that of the key in a penetrating way along the axial direction of the rotating shaft, and the telescopic shaft (4) is connected with the rotating shaft (3) through the key.
5. The hydraulically controlled bending host machine according to claim 1, further comprising a walking driving device, wherein the walking driving device comprises a walking motor (13) mounted on the host machine support (2), a walking gear (14) fixedly connected to the output end of the walking motor (13), a walking rack (15) mounted on the walking track (1), and the walking gear (14) is meshed with the walking rack (15).
6. The hydraulically controlled bending host machine according to claim 5, further comprising a second detection assembly (16), wherein the second detection assembly (16) comprises a second support plate (161) mounted on the host machine support (2), and a second rotating shaft (162) rotatably mounted on the second support plate (161), one end of the second rotating shaft (162) is fixedly connected with a second dividing plate (163) with circumferentially distributed holes and a first belt wheel (164), the first belt wheel (164) is connected with a second belt wheel (166) through a belt (165), the second belt wheel (166) is fixedly connected on the output end of the walking motor (13), and a second detection switch (167) matched with the second dividing plate (163) is further arranged on the second support plate (161).
7. The hydraulically controlled bending mainframe according to claim 5, further comprising two sets of first support rollers (17) provided at both front and rear ends of the mainframe bracket (2) and rotatably connected to one side of the mainframe bracket (2), and a second support roller (18) rotatably provided at one side of the traveling rack (15) which does not engage the traveling gear (14).
8. The hydraulically controlled bending main machine according to claim 1, characterized in that a bearing (19) is mounted at one end of the central shaft (6), which bearing (19) is arranged coaxially with the telescopic shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098015.6A CN107855434B (en) | 2017-11-09 | 2017-11-09 | Hydraulic control bending host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098015.6A CN107855434B (en) | 2017-11-09 | 2017-11-09 | Hydraulic control bending host |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107855434A CN107855434A (en) | 2018-03-30 |
| CN107855434B true CN107855434B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711098015.6A Active CN107855434B (en) | 2017-11-09 | 2017-11-09 | Hydraulic control bending host |
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| Country | Link |
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| CN (1) | CN107855434B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396293B (en) * | 2018-12-10 | 2024-07-05 | 建科机械（天津）股份有限公司 | Inclined plane type steel bar bender |
| CN112620531A (en) * | 2020-12-30 | 2021-04-09 | 建科机械（天津）股份有限公司 | Clutch type single-power steel bar bending device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493016A (en) * | 1967-06-16 | 1970-02-03 | Lear Siegler Inc | Wire bending machine |
| CN101209481A (en) * | 2006-12-26 | 2008-07-02 | 周才森 | Hydraulic steel bar bender |
| CN101214522A (en) * | 2008-01-11 | 2008-07-09 | 杨秀敏 | Digital control steel bar vertical bending shaping machine |
| CN101767168A (en) * | 2010-02-19 | 2010-07-07 | 曲华智 | Bending device on hydraulic hooping machine |
| CN202411284U (en) * | 2012-01-17 | 2012-09-05 | 建科机械（天津）股份有限公司 | Movable inclined table type automatic steel bar bending device |
| CN202655515U (en) * | 2012-02-09 | 2013-01-09 | 上海容光机电设备有限公司 | Novel mobile positioning mechanism of numerical control steel bar bender |
| CN207615552U (en) * | 2017-11-09 | 2018-07-17 | 建科机械（天津）股份有限公司 | A kind of hydraulic bending host for moment reinforcement |
-
2017
- 2017-11-09 CN CN201711098015.6A patent/CN107855434B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493016A (en) * | 1967-06-16 | 1970-02-03 | Lear Siegler Inc | Wire bending machine |
| CN101209481A (en) * | 2006-12-26 | 2008-07-02 | 周才森 | Hydraulic steel bar bender |
| CN101214522A (en) * | 2008-01-11 | 2008-07-09 | 杨秀敏 | Digital control steel bar vertical bending shaping machine |
| CN101767168A (en) * | 2010-02-19 | 2010-07-07 | 曲华智 | Bending device on hydraulic hooping machine |
| CN202411284U (en) * | 2012-01-17 | 2012-09-05 | 建科机械（天津）股份有限公司 | Movable inclined table type automatic steel bar bending device |
| CN202655515U (en) * | 2012-02-09 | 2013-01-09 | 上海容光机电设备有限公司 | Novel mobile positioning mechanism of numerical control steel bar bender |
| CN207615552U (en) * | 2017-11-09 | 2018-07-17 | 建科机械（天津）股份有限公司 | A kind of hydraulic bending host for moment reinforcement |
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| CN107855434A (en) | 2018-03-30 |
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