CN108213266B - Three-station automatic reinforcing steel bar forming machine - Google Patents
Three-station automatic reinforcing steel bar forming machine Download PDFInfo
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- CN108213266B CN108213266B CN201810148419.XA CN201810148419A CN108213266B CN 108213266 B CN108213266 B CN 108213266B CN 201810148419 A CN201810148419 A CN 201810148419A CN 108213266 B CN108213266 B CN 108213266B
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- oil
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- oil cylinder
- bending mechanism
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- 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
Abstract
The invention discloses a three-station automatic steel bar forming machine, which comprises a frame, wherein three bending mechanisms for bending steel bars and a hydraulic bending control system for driving the three bending mechanisms to act are arranged on the frame, the bending mechanisms comprise a forward bending mechanism, a forward and reverse bending mechanism and a reverse bending mechanism which are sequentially arranged, a center pin shaft, a bending pin rotating around the center pin shaft and a hydraulic cylinder for driving the bending pin to act are respectively arranged on the bending mechanisms, the hydraulic cylinder of the forward and reverse bending mechanism is a forward and reverse bidirectional cylinder, and the forward and reverse bidirectional cylinder drives the bending pin to rotate forward or reversely from an initial position through a transmission device. The three-station automatic reinforcing steel bar forming machine reduces the setting of the bending mechanism, simplifies the structure, reduces the volume of the equipment and improves the bending accuracy and precision by applying the forward and reverse bidirectional bending mechanism on the premise of ensuring the unchanged function of the equipment.
Description
Technical Field
The invention relates to the field of steel bar bending equipment, in particular to a three-station steel bar automatic forming machine.
Background
The stirrup is mainly used for fixing the position of a main reinforcing bar and enabling various reinforcing bars in a building member to form a reinforcing steel skeleton, the stirrup for building has various shapes, the application is very wide, the most common stirrup skeleton frame is a rectangular stirrup skeleton frame formed by bending straight reinforcing bars, the stirrup skeleton frame has five bent angles, two bent angles are needed to be bent firstly in general, two bent angles at the other end are bent after turning around, the last bent angle is bent at the middle part of the reinforcing bar manually, and five bending processes are carried out to bend the reinforcing bar into a rectangular frame to obtain the stirrup skeleton frame.
In order to improve the efficiency of the reinforcing bar bending hoop, the applicant aims at developing a reinforcing bar bending machine controlled by hydraulic pressure and has achieved certain results, and applies for a plurality of patents, such as an invention patent applied in 2013, namely an automatic forming machine for forming reinforcing bars at one time, and an invention patent applied in 2015, namely a novel reinforcing bar bending machine. Five bending mechanisms are arranged on the automatic forming machine of the former, so that the components are more, and the whole machine is larger in size; the latter is provided with three movable bending mechanisms, and the structure and the action are complex. On the basis, the application is made for a better reinforcing steel bar bending device, a positive and negative bidirectional hydraulic bending mechanism is obtained through continuous improvement, and the positive and negative bidirectional hydraulic bending mechanism is applied to a reinforcing steel bar bending machine to obtain the three-station automatic reinforcing steel bar forming machine.
Disclosure of Invention
The invention provides a three-station automatic steel bar forming machine which can bend steel bars for multiple times to form the steel bars.
The technical scheme adopted by the invention is as follows:
the three-station automatic reinforcing steel bar forming machine comprises a frame, wherein three bending mechanisms for bending reinforcing steel bars and a hydraulic bending control system for driving the three bending mechanisms to act are arranged on the frame, the bending mechanisms comprise a forward bending mechanism, a forward and reverse bending mechanism and a reverse bending mechanism which are sequentially arranged,
the bending mechanism is respectively provided with a central pin shaft, a bending pin rotating around the central pin shaft and a hydraulic cylinder driving the bending pin to act,
the hydraulic oil cylinder of the forward and backward bidirectional bending mechanism is a forward and backward bidirectional oil cylinder, and the forward and backward bidirectional oil cylinder drives the bending pin to rotate forward or reversely from an initial position through a transmission device.
As a further improvement of the technical proposal, the hydraulic bending control system comprises a plurality of control valves and a hydraulic signal remote controller,
the control valves are sequentially cascaded, wherein the control valve positioned at the first stage is connected with an oil pump, each control valve is respectively connected with a hydraulic oil cylinder, the control valve controls the corresponding hydraulic oil cylinder to act or reset,
the hydraulic signal remote controller is arranged on the stroke of an oil cylinder plunger of the hydraulic oil cylinder, is connected with the control valve and changes the state of the control valve according to the action of the hydraulic oil cylinder.
As a further improvement of the technical scheme, a telescopic channel-borrowing valve for controlling the telescopic central pin shaft is arranged between the control valve and the hydraulic cylinder.
As a further improvement of the technical proposal, the control valve comprises a switching valve and a reversing valve, the switching valve is connected with the reversing valve through a reversing oil duct,
the switch valve is provided with a hydraulic oil inlet and a hydraulic oil outlet, the hydraulic oil inlet is connected with the hydraulic oil outlet of the oil pump or the upper switch valve, the hydraulic oil outlet of the switch valve is connected with the hydraulic oil inlet or the oil tank of the lower switch valve, the valve core of the switch valve acts to enable the hydraulic oil inlet of the switch valve to be switched between the reversing oil duct and the hydraulic oil outlet,
the reversing valve is provided with an oil discharge port and two oil cylinder interfaces for connecting interfaces at two ends of the hydraulic oil cylinder, the valve core of the reversing valve acts to enable the oil cylinder interfaces to be switched and connected between the reversing oil duct and the oil discharge port, and the states of the two oil cylinder interfaces are opposite.
As a further improvement of the technical scheme, the switch valve is provided with a plurality of state conversion interfaces, and the hydraulic signal remote controller is connected with the state conversion interfaces.
As a further improvement of the technical scheme, an oil cylinder plunger is arranged in an oil cavity of the positive and negative bidirectional oil cylinder, an oil seal of the oil cylinder plunger is positioned in the middle of the oil cavity, a positive oil way interface is arranged at the rear end of the oil cavity, a reverse oil way interface is arranged at the front end of the oil cavity, and the positive oil way interface and the reverse oil way interface are respectively positioned at two sides of the oil seal of the oil cylinder plunger; hydraulic oil entering from the forward oil path interface pushes the oil cylinder plunger to move forward, drives the bent pin to rotate forward, and hydraulic oil entering from the reverse oil path interface pushes the oil cylinder plunger to move backward, so as to drive the bent pin to rotate reversely.
As a further improvement of the technical scheme, the frame is provided with a material moving device for automatically pushing the reinforcing steel bars.
As a further improvement of the technical scheme, the material moving device comprises a sliding rail which is arranged along the arrangement direction of the bending mechanism, a material moving trolley for pushing the reinforcing steel bars is arranged on the sliding rail in a sliding manner, a motor for driving the material moving trolley to act is arranged on the rack, and the motor drives the material moving trolley to move back and forth along the sliding rail through a belt wheel transmission mechanism.
As a further improvement of the technical scheme, a travel switch for driving the motor to act is arranged on the plunger travel of the hydraulic cylinder of the bending mechanism.
As a further improvement of the technical scheme, the sliding rail is provided with a fixed-length reversing switch for controlling the travel of the material moving trolley, and the fixed-length reversing switch is connected with a driving motor.
As a further improvement of the technical scheme, the forward bending mechanism is provided with a staggered stacking device.
As a further improvement of the technical scheme, the auxiliary baffle is arranged on the bending mechanism and arranged on one side or two sides of the bending pin, and the auxiliary baffle is matched with the central pin shaft and the bending pin to form a three-point stress support, so that the accuracy and precision of bending of the reinforcing steel bars are ensured.
Further, the auxiliary baffle on the positive and negative bidirectional bending mechanism comprises a left avoidance baffle and a right avoidance baffle, the opposite surfaces of the left avoidance baffle and the right avoidance baffle are respectively provided with a linkage rack, linkage teeth are arranged between the linkage racks of the left avoidance baffle and the right avoidance baffle, the linkage teeth are respectively meshed with the linkage racks of the left avoidance baffle and the right avoidance baffle, and an avoidance baffle driving oil cylinder for driving the right avoidance baffle to move up and down is arranged below the right avoidance baffle. The left avoidance baffle and the right avoidance baffle realize different-direction linkage through the rack and the gear, when the right avoidance baffle ascends, the left avoidance baffle descends, and when the right avoidance baffle descends, the left avoidance baffle ascends. The arrangement of the left avoidance baffle and the right avoidance baffle can enable the positive and negative bidirectional bending mechanism to obtain a third supporting point when the reinforcing steel bar is bent positively and reversely, and meanwhile, the avoidance baffle which does not act can automatically avoid the influence on the bending action of the reinforcing steel bar is avoided.
The beneficial effects of the invention are as follows:
compared with the prior art, the three-station automatic reinforcing steel bar forming machine provided by the invention reduces the setting of the bending mechanism, simplifies the structure, reduces the volume of the equipment and improves the accuracy and precision of bending by applying the positive and negative bidirectional bending mechanism on the premise of ensuring the unchanged function of the equipment.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 and 2 are schematic structural views of a three-station automatic reinforcing bar forming machine.
Fig. 3 is a schematic structural view of the forward and reverse bending mechanism.
Fig. 4 is a schematic structural diagram of the reversible cylinder.
Fig. 5 is a schematic view of the structure of the dodging baffle on the forward and reverse bi-directional bending mechanism.
Fig. 6 is a schematic structural view of the transfer device.
Fig. 7 to 13 are flowcharts of the operation of the three-station automatic reinforcing bar forming machine.
FIG. 14 is a forward bending mechanism is a schematic diagram of an auxiliary baffle.
Fig. 15 is a schematic view of an auxiliary baffle on a reverse bend mechanism.
Detailed Description
The three-station automatic reinforcing bar forming machine of the present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 and 2, fig. 1 and 2 provide a preferred embodiment of a three-station automatic reinforcing bar forming machine, which comprises a frame 1, wherein three bending mechanisms for bending reinforcing bars are arranged on the frame 1, and each bending mechanism comprises a forward bending mechanism 2, a forward and reverse bending mechanism 3 and a reverse bending mechanism 4 which are sequentially arranged. The frame 1 is also provided with a material moving device 5 and a hydraulic bending control system 7 for driving the three bending mechanisms to act, and the forward bending mechanism 2 is provided with a dislocation stacking device 6.
The bending mechanism is respectively provided with a central pin shaft, a bending pin rotating around the central pin shaft and a hydraulic oil cylinder driving the bending pin to act, an oil cylinder plunger of the hydraulic oil cylinder is connected with a driving rack, and the driving rack drives the bending pin to rotate through gears meshed with each other. Wherein, the forward bending mechanism 2 and the reverse bending mechanism 4 can only bend the steel bar in one direction, and the forward and reverse bending mechanism 3 can bend the steel bar in the forward direction and the reverse direction.
Referring to fig. 3 and 4, the hydraulic cylinder of the reversible bending mechanism 3 is a reversible cylinder 10, a cylinder plunger 15 is disposed in an oil cavity 16 of the reversible cylinder 10, an oil seal of the cylinder plunger 15 is disposed in the middle of the oil cavity 16, a forward oil path interface 17 is disposed at the rear end of the oil cavity 16, a reverse oil path interface 18 is disposed at the front end of the oil cavity 16, and the forward oil path interface 17 and the reverse oil path interface 18 are disposed at two sides of the oil seal of the cylinder plunger 15 respectively. When the bending pin 9 is positioned at the initial position, the oil cylinder plunger 15 is positioned in the middle of the oil cavity 16, hydraulic oil entering from the forward oil way interface 17 pushes the oil cylinder plunger 15 to move forward, and drives the bending pin 9 to rotate forward around the central pin shaft 8, so that the steel bar can be bent forward; the hydraulic oil entering from the reverse oil path interface 18 pushes the oil cylinder plunger 15 to move backwards, drives the bending pin 9 to rotate reversely, and can bend the steel bars reversely.
Further, referring to fig. 3, 14 and 15, the bending mechanism is provided with an auxiliary baffle, as shown in fig. 14, the forward bending mechanism 2 is provided with a first auxiliary baffle 28 on the left side of the bending pin 9, as shown in fig. 15, the reverse bending mechanism 4 is provided with a second auxiliary baffle 29 on the right side of the bending pin 9, and the auxiliary baffle is matched with the center pin shaft and the bending pin to form a three-point stress support, so that the accuracy and precision of bending the reinforcing steel bars are ensured. As shown in fig. 3 and 5, the auxiliary baffle of the forward and reverse bidirectional bending mechanism 3 is set to avoid influencing the bending action of the steel bar. The auxiliary baffle on the positive and negative bidirectional bending mechanism 3 comprises a right avoidance baffle 13 positioned on the right side of the bent pin 9 and a left avoidance baffle 14 positioned on the left side of the bent pin 9, wherein linkage racks 19 and 20 are respectively arranged on opposite surfaces of the right avoidance baffle 13 and the left avoidance baffle 14, linkage teeth 21 are arranged between the linkage racks 19 and 20, the linkage teeth 21 are respectively meshed with the linkage racks 19 and 20, so that linkage is realized between the right avoidance baffle 13 and the left avoidance baffle 14, and a avoidance baffle driving oil cylinder 12 is arranged below the right avoidance baffle 13. The avoidance baffle driving oil cylinder 12 is linked with the positive and negative bidirectional oil cylinder 10, when the positive and negative bidirectional bending mechanism 3 bends the steel bars, the corresponding avoidance baffle rises to prop against the steel bars, and the avoidance baffle, the bending pin 9 and the center pin shaft 8 form three-point supporting stress on the steel bars, so that the bending precision of the steel bars is higher, and the process is smoother; and the other avoidance baffle descends at this time to avoid the reset action of the bent pin 9.
The hydraulic bending control system 7 comprises a plurality of control valves and a hydraulic signal remote control.
The control valves are arranged on an oil way between the oil pump and the hydraulic oil cylinders, each control valve is connected with one hydraulic oil cylinder respectively, and the corresponding hydraulic oil cylinder is controlled to act or reset. The control valve is connected with a switching valve and a reversing valve, and the switching valve is connected with the reversing valve through a reversing oil duct. The switching valve is provided with a hydraulic oil inlet and a hydraulic oil outlet, the hydraulic oil inlet is connected with the hydraulic oil outlet of the oil pump or the switching valve at the upper stage, the hydraulic oil outlet of the switching valve is connected with the hydraulic oil inlet or the oil tank (oil discharge) of the switching valve at the lower stage, and the valve core of the switching valve acts to enable the hydraulic oil inlet of the switching valve to be switched and connected between the reversing oil duct and the hydraulic oil outlet. The reversing valve is provided with an oil discharge port and two oil cylinder interfaces for connecting interfaces at two ends of the hydraulic oil cylinder, the valve core of the reversing valve acts to enable the oil cylinder interfaces to be switched and connected between the reversing oil duct and the oil discharge port, and the states of the two oil cylinder interfaces are opposite. The control valves are sequentially cascaded, wherein a hydraulic oil inlet on the control valve of the first stage is connected with an oil pump, and hydraulic oil inlets of other control valves are connected with a hydraulic oil outlet of the switching valve of the upper stage.
The switching valve and the reversing valve of the control valve are provided with a plurality of state conversion interfaces, and the hydraulic signal remote controller is connected with the state conversion interfaces. The hydraulic signal remote controller is arranged on the stroke of an oil cylinder plunger of the hydraulic oil cylinder, and is used for collecting action signals of the hydraulic oil cylinder and changing the state of the control valve according to the action signals.
Further, as shown in fig. 3, a telescopic channel valve 11 for controlling the telescopic central pin 8 is arranged between the control valve and the hydraulic cylinder.
Referring to fig. 6, the material moving device 5 includes a sliding rail 22 arranged along the arrangement direction of the bending mechanism, a material moving trolley 23 for pushing the steel bars is slidably disposed on the sliding rail 22, a motor 24 for driving the material moving trolley 23 to act is disposed on the frame 1, the motor 24 drives the material moving trolley 23 to move back and forth along the sliding rail 22 through a belt wheel transmission mechanism 25, and a traction device 26 for traction the material moving trolley 23 is disposed on the sliding rail 22. Further, a travel switch for driving the motor 24 to act is arranged on the plunger travel of the hydraulic cylinder of the bending mechanism, a fixed-length reversing switch 27 for controlling the travel of the material moving trolley 23 is arranged on the sliding rail 22, and the travel switch and the fixed-length reversing switch 27 are respectively connected with the driving motor 24.
Referring to fig. 7 to 13, fig. 7 to 13 show the working flow of the three-station automatic reinforcing steel bar forming machine, and the action flow of all the hydraulic driving mechanisms is controlled by a hydraulic bending control system. As shown in fig. 7, the reinforcing bars are placed on a forward bending mechanism 2, a forward and reverse hydraulic bending mechanism 3 and a reverse bending mechanism 4, which are sequentially arranged. As shown in fig. 8, the forward bending mechanism 2 is operated to bend the reinforcing steel bar forward at a large angle. As shown in fig. 9, the forward and reverse bidirectional hydraulic bending mechanism 3 acts, the cylinder plunger of the forward and reverse bidirectional cylinder 10 moves forward to bend the steel bar forward, meanwhile, the avoidance baffle driving cylinder 12 acts to drive the right avoidance baffle 13 to descend, the left avoidance baffle 14 ascends, the left avoidance baffle 14 cooperates with the center pin shaft 8 and the bending pin 9 to form a three-point stressed support for the steel bar, so that the bending precision of the steel bar is higher, the effect is better, and the bending process is smoother. As shown in fig. 10, after the forward and reverse bidirectional hydraulic bending mechanism 3 acts, a travel switch is triggered, the material moving device 5 acts, and the steel bars are pushed to a proper position. As shown in fig. 11, the forward bending mechanism 2 is operated again to bend the reinforcing steel bar forward. As shown in fig. 12, the reverse bending mechanism 4 is operated to bend the reinforcing bars reversely at a large angle. As shown in fig. 13, the forward and reverse bidirectional hydraulic bending mechanism 3 acts, the cylinder plunger of the forward and reverse bidirectional cylinder 10 moves backwards to bend the steel bar reversely, meanwhile, the avoidance baffle driving cylinder 12 acts to drive the right avoidance baffle 13 to ascend, the left avoidance baffle 14 descends, and the right avoidance baffle 13 cooperates with the central pin shaft 8 and the bending pin 9 to form a three-point stress support for the steel bar; the positive and negative bidirectional hydraulic bending mechanism 3 acts and the misplacement stacking device 6 acts simultaneously, so that the reinforcing steel bars are smoothly stacked after misplacement, and the reinforcing steel bar hoop is obtained.
Compared with the prior art, the three-station automatic reinforcing steel bar forming machine provided by the invention reduces the setting of the bending mechanism, simplifies the structure, reduces the volume of the equipment and improves the accuracy and precision of bending by applying the positive and negative bidirectional bending mechanism on the premise of ensuring the unchanged function of the equipment.
The above is only a preferred embodiment of the present invention, and the technical solutions for achieving the object of the present invention by substantially the same means are all within the scope of protection of the present invention.
Claims (7)
1. The utility model provides a three station steel bar automatic molding machine, includes the frame, install three bending mechanism that is used for crooked steel bar on the frame to and be used for driving the hydraulic bending control system of three bending mechanism actions, its characterized in that: the bending mechanism comprises a forward bending mechanism, a forward and backward bending mechanism and a backward bending mechanism which are sequentially arranged,
the bending mechanism is respectively provided with a central pin shaft, a bending pin rotating around the central pin shaft and a hydraulic cylinder driving the bending pin to act,
the hydraulic oil cylinder of the forward and backward bidirectional bending mechanism is a forward and backward bidirectional oil cylinder, and the forward and backward bidirectional oil cylinder drives the bending pin to rotate forward or reversely from an initial position through a transmission device;
the hydraulic bending control system comprises a plurality of control valves and a hydraulic signal remote controller, wherein the control valves are sequentially cascaded, the control valve positioned at a first stage is connected with an oil pump, each control valve is respectively connected with a hydraulic oil cylinder, the control valve controls the corresponding hydraulic oil cylinder to act or reset, the hydraulic signal remote controller is arranged on the stroke of an oil cylinder plunger of the hydraulic oil cylinder, the hydraulic signal remote controller is connected with the control valve, and the state of the control valve is changed according to the action of the hydraulic oil cylinder;
the control valve comprises a switching valve and a reversing valve, the switching valve is connected with the reversing valve through a reversing oil duct, the switching valve is provided with a hydraulic oil inlet and a hydraulic oil outlet, the hydraulic oil inlet is connected with the hydraulic oil outlet of an oil pump or a switching valve at the upper stage, the hydraulic oil outlet of the switching valve is connected with the hydraulic oil inlet or an oil tank of a switching valve at the lower stage, the valve core action of the switching valve enables the hydraulic oil inlet of the switching valve to be switched and connected between the reversing oil duct and the hydraulic oil outlet, the reversing valve is provided with an oil discharging port and two oil cylinder interfaces for connecting interfaces at two ends of a hydraulic oil cylinder, the valve core action of the reversing valve enables the oil cylinder interfaces to be switched and connected between the reversing oil duct and the oil discharging port, and the states of the two oil cylinder interfaces are opposite;
the switch valve is provided with a plurality of state conversion interfaces, and the hydraulic signal remote controller is connected with the state conversion interfaces.
2. The automatic three-station steel bar forming machine according to claim 1, wherein a telescopic channel-borrowing valve for controlling the telescopic of the central pin shaft is arranged between the control valve and the hydraulic cylinder.
3. The automatic three-station steel bar forming machine according to claim 1 or 2, wherein an oil cylinder plunger is arranged in an oil cavity of the positive and negative bidirectional oil cylinder, an oil seal of the oil cylinder plunger is positioned in the middle of the oil cavity, a positive oil path interface is arranged at the rear end of the oil cavity, a reverse oil path interface is arranged at the front end of the oil cavity, and the positive oil path interface and the reverse oil path interface are respectively positioned at two sides of the oil seal of the oil cylinder plunger; hydraulic oil entering from the forward oil path interface pushes the oil cylinder plunger to move forward, drives the bent pin to rotate forward, and hydraulic oil entering from the reverse oil path interface pushes the oil cylinder plunger to move backward, so as to drive the bent pin to rotate reversely.
4. The automatic three-station steel bar forming machine according to claim 1, wherein a material moving device for automatically pushing steel bars is arranged on the frame.
5. The automatic three-station steel bar forming machine according to claim 4, wherein the material moving device comprises a sliding rail arranged along the arrangement direction of the bending mechanism, a material moving trolley for pushing the steel bars is slidably arranged on the sliding rail, a motor for driving the material moving trolley to act is arranged on the frame, and the motor drives the material moving trolley to move back and forth along the sliding rail through a belt wheel transmission mechanism.
6. The automatic three-station steel bar forming machine according to claim 5, wherein a travel switch for driving a motor to act is arranged on a plunger travel of a hydraulic cylinder of the bending mechanism.
7. The automatic three-station steel bar forming machine according to claim 5 or 6, wherein a fixed-length reversing switch for controlling the travel of the material moving trolley is arranged on the sliding rail, and the fixed-length reversing switch is connected with a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148419.XA CN108213266B (en) | 2018-02-13 | 2018-02-13 | Three-station automatic reinforcing steel bar forming machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148419.XA CN108213266B (en) | 2018-02-13 | 2018-02-13 | Three-station automatic reinforcing steel bar forming machine |
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| Publication Number | Publication Date |
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| CN108213266A CN108213266A (en) | 2018-06-29 |
| CN108213266B true CN108213266B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810148419.XA Active CN108213266B (en) | 2018-02-13 | 2018-02-13 | Three-station automatic reinforcing steel bar forming machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209792473U (en) * | 2019-01-25 | 2019-12-17 | 冯广建 | Linkage position-changing bidirectional reinforcing bar hoop bending machine |
| CN209935745U (en) * | 2019-01-25 | 2020-01-14 | 冯广建 | Linkage position-changing stop pin plate of reinforcing steel bar hoop bending machine |
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|---|---|---|---|---|
| CN201603821U (en) * | 2010-03-11 | 2010-10-13 | 陈秋劲 | Follow-up bi-directional control mechanism for hydraulic steel bar hoop bending machine |
| CN103464654A (en) * | 2013-09-11 | 2013-12-25 | 冯广建 | Automatic steel bar arraying and forming machine |
| CN104226859A (en) * | 2014-09-05 | 2014-12-24 | 冯广建 | Automatic bending and shearing machine for reinforcement processing |
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| CN108213266A (en) | 2018-06-29 |
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