CN110625031B - Hoop bending machine for machining steel bars with different thicknesses at any curvature and angle and use method - Google Patents
Hoop bending machine for machining steel bars with different thicknesses at any curvature and angle and use method Download PDFInfo
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- CN110625031B CN110625031B CN201910959763.1A CN201910959763A CN110625031B CN 110625031 B CN110625031 B CN 110625031B CN 201910959763 A CN201910959763 A CN 201910959763A CN 110625031 B CN110625031 B CN 110625031B
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- 238000005452 bending Methods 0.000 title claims abstract description 309
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 title claims description 99
- 239000010959 steel Substances 0.000 title claims description 99
- 238000003754 machining Methods 0.000 title claims description 34
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 49
- 238000010276 construction Methods 0.000 claims abstract description 25
- 230000002787 reinforcement Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
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- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
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Abstract
The invention is applied to the construction site to carry out precise site processing on the reinforcing steel bars, the processing process can be controlled by a control system, also can be intuitively processed in a manual mode, after a lifting lug or a bottom wheel of a hoop bending machine is placed at a designated position, a fixed leg is fixed by a bolt, according to the curvature radius of the reinforcing steel bars to be processed, a coiling controller in the hoop bending machine stretches a pulley guy rope to drive a central shaft to move outwards along a central shaft guide rail under the control of the control system until the dispersed central shaft reaches the designated curvature radius, the angle and the position of a mechanical arm are regulated so that reinforcing steel bars with different thicknesses can just pass through a gap between a fixed baffle and the central shaft, a bending shaft arranged on a bending shaft jack is driven by a rotating bottom plate to rotate by the control system to be designated angle, the bending processing of the reinforcing steel bars is completed, and the central shaft with a large curvature radius can be removed and replaced by the central shaft with a small curvature radius to carry out the bending processing of the reinforcing steel bars which is the same as the construction method of the traditional hoop bending machine.
Description
Technical Field
The invention discloses a hoop bending machine capable of machining any curvature and angle of reinforcing steel bars with different thicknesses and a use method thereof, and belongs to the technical field of reinforcing steel bar bending machines.
Background
The steel bar bending machine is a main machine for processing steel bars in the construction process at present, and the working principle is that a rotary horizontal working disc is arranged on a vertical shaft, the steel bars are arranged on the working disc, a supporting pin shaft is fixed on the machine tool, a center pin shaft and a bending pin shaft are arranged on the working disc, and the steel bars are bent when the disc rotates.
With the gradual implementation of engineering construction specifications, the construction quality is also more and more paid attention to nowadays, wherein the construction quality of various types of steel bars in reinforced concrete is also a key factor for controlling the whole engineering quality. And the bending accuracy of the steel bar is an important point for measuring the bending quality of the steel bar, namely the curvature radius and the bending angle.
The hoop bending machines currently used are generally limited to center pins with a fixed radius of curvature, i.e. the radius of curvature of the rebar bends is fixed.
The relevant research status is as follows:
(1) Chinese patent application number 201811638652.2 describes a steel bar bending structure and bar bender, and this patent discloses a steel bar bending structure and bar bender, relates to construction equipment technical field. The steel bar bending structure comprises a cylinder body, a movable shaper and a fixed shaper; the movable shaper is movably arranged in the cylinder; the fixed shaper comprises a first shaping arm and a second shaping arm, and the first shaping arm is rotationally connected with the second shaping arm; the first shaping arm and the second shaping arm are jointly movably connected to the outer wall of the cylinder body. The steel bar bending structure can bend steel bars in different radians according to actual demands. But this patent does not bend the rebar by a specific radius of curvature.
(2) The China patent with the application number 201811599680.8 introduces a steel bar bending machine, and provides a steel bar bending machine, which belongs to the technical field of power transmission line construction equipment, and comprises a base and a pressure head arranged above the base, wherein the pressure head is connected with a movable end of a hydraulic device arranged on the base, the base is also provided with two rotating rollers which are rotatably connected with the base and are used for being abutted against steel bars, and the two rotating rollers are respectively arranged on two sides of the pressure head; the base is provided with an upright post, the rotating roller is rotatably sleeved on the upright post, and a cushion block which is sleeved on the upright post and used for supporting the rotating roller is arranged below the rotating roller; the stand is the bolt, and the bolt passes the base and sets up the nut threaded connection in the base bottom. But the patent does not strictly control the quality and accuracy of the rebar machining.
(3) The utility model provides a chinese patent of 201820782415.2 has introduced a bar bender, and this patent discloses a bar bender, belongs to bar processing equipment field, and its technical scheme main points are including the support body, set firmly the first workstation on the support body and slide the second workstation of connecting on the support body, the line at the center of first workstation and the center of second workstation is parallel with the length direction of support body, first workstation with all rotate on the second workstation and be connected with the carousel, a plurality of posts of bending of fixedly connected with on the carousel, all be connected with drive assembly on first workstation and the second workstation, two carousels reverse rotation. But the patent also fails to strictly control the quality and accuracy of the rebar processing.
Disclosure of Invention
The invention solves the difficult problem that the traditional hoop bending machine can only process around a specific curvature radius shaft, can process on site with any curvature radius and any bending angle aiming at reinforcing steel bars with different thickness, and has important application significance for improving the processing quality of the reinforcing steel bars and the construction quality of the structure.
In order to solve the technical problems, the invention adopts the following technical scheme: the hoop bending machine for machining steel bars with different thicknesses at any curvature and angle comprises a hoop bending machine body, a circular plate-shaped rotating bottom plate is movably arranged on a hoop bending machine top plate at the upper end of the hoop bending machine body, a plurality of central shaft guide rails and bending shaft jack groups are distributed on the rotating bottom plate in a circumferential array mode, the central shaft guide rails and the bending shaft jack groups are distributed along the radial direction of the rotating bottom plate, the central shaft guide rails and the bending shaft jack groups are arranged at intervals, the bending shaft jack groups are formed by the radial distribution of the plurality of equidistant bending shaft jacks along the rotating bottom plate, the lower portion of the rotating bottom plate is connected to a power output shaft of a motor through a rotating gear, the rotating bottom plate is driven to rotate through the motor, a plurality of large-curvature-radius central shafts are arranged on a vertical circumferential array at the central shaft of the rotating bottom plate, or a small-curvature-radius central shaft is arranged, the number of the large-radius central shafts is identical to that of the central shaft guide rails, the large-curvature-radius central shafts are connected with a controller arranged inside the hoop bending machine body through pulley and fixed pulleys arranged at the end portions of the central shaft guide rails, the large-radius-center shafts are pulled by the controller, the large-radius-curvature-center shafts are driven by the controller, the large-radius-center shafts are driven by the controller to move along the large-radius-curvature-center shafts to form a plurality of the large-circle, the large-radius-circle-shaped reciprocating curve structure or the large-diameter reciprocating structure through the large-circle, the large-radius reciprocating curve structure or the large-circle, and the curve device can be rotated by the large-circle, or the curve and have a large-radius curve and the curve and have a circle. The bending machine is characterized in that a mechanical arm support is arranged on the top plate of the bending machine, a fixed baffle is connected to the mechanical arm support through a mechanical arm, the position and the angle of the fixed baffle are adjusted through the mechanical arm, a bending shaft is arranged on the bending shaft jack, and the bending shaft is inserted into the bending shaft jack at the front side of the bending direction of the steel bar.
The top plate of the hoop bending machine is provided with a lifting lug of the hoop bending machine so as to move the hoop bending machine through a lifting machine; the bottom of the hoop bending machine is provided with a hoop bending machine bottom wheel and extensible fixing legs, the hoop bending machine bottom wheel is used for pushing the hoop bending machine, and after reaching a designated position, the fixing legs are used for being supported on the ground after being extended, and are fixed on the ground through bolts or pins to fix the hoop bending machine.
The rotating bottom plate is internally provided with an electromagnetic coil, the electromagnetic coil is electrically connected with an alternating current power supply arranged in the hoop bending machine body, and the electromagnetic coil generates a large curvature radius central shaft which is magnetically attracted to the upper part of the electromagnetic coil through electrifying the electromagnetic coil.
The fixed baffle plates are parallel to the tangent line of the dispersed large-curvature radius central shaft, and the space between the fixed baffle plates can just accommodate the lower reinforcing steel bar material.
The hoop bending machine is characterized in that a control system is arranged in the hoop bending machine body, the control system is a PLC module, modules which can be purchased or purchased directly from the market are assembled together, the corresponding winding controllers and motors are mainly controlled to work according to input parameters, and the connection relation between other parts is conventional connection or connection according to specifications of the other parts. The control system controls the coil winding controller and the motor to work according to the curvature and the bending angle input by the input keyboard, the curvature radius display screen and the bending angle display screen which are electrically connected with the control system, so that the bending shaft bends the straight reinforcing steel bars to form bent reinforcing steel bars according to the corresponding angle of the specified curvature radius.
The hoop bending machine comprises a hoop bending machine body, and is characterized in that a hoop bending machine side door is arranged on a hoop bending machine side plate of the hoop bending machine body, and a hoop bending machine side door handle is arranged on the hoop bending machine side door and used for opening the hoop bending machine body, debugging or overhauling a control system and an internal structure.
The hoop bending machine body is provided with an automatic manual switching button and a manual starting and stopping button.
The invention relates to a using method of a hoop bending machine for processing steel bars with different thicknesses at any curvature and angle, which is implemented according to the following steps:
Firstly, placing a hoop bending machine at a designated position through a lifting lug of the hoop bending machine or a bottom wheel of the hoop bending machine, and fixing the fixing legs by bolts;
Secondly, according to the radius of curvature of the steel bar to be processed, a coiling controller in the hoop bending machine stretches a pulley guy rope to drive a large radius of curvature central shaft or a small radius of curvature central shaft to move outwards along a central shaft guide rail under the control of a control system until the dispersed large radius of curvature central shaft or the dispersed small radius of curvature central shaft reaches a specified radius of curvature position;
And thirdly, adjusting the angle and the position of the mechanical arm so that the steel bars with different thicknesses can just pass through the gap between the fixed baffle plate and the large curvature radius central shaft or the small curvature radius central shaft, and rotating the bottom plate to drive the bending shaft mounted to the bending shaft jack to rotate by a designated angle under the control of the control system, thereby completing the bending processing of the steel bars.
The hoop bending machine is applied to the construction site to carry out precise on-site machining on the reinforcing steel bars, and the machining process is controlled by a control system or intuitively machined in a manual mode.
The hoop bending machine can take down the central shaft with a large curvature radius and change the central shaft with a small curvature radius into the central shaft with a small curvature radius, and perform the same steel bar bending processing as the construction method of the traditional hoop bending machine.
When the hoop bending machine is used for machining the steel bars with large curvature radius, the whole machining process comprises four stages;
the first stage, the positioning and fixing of the steel bar hoop bending machine ensure the stability and safety during the subsequent steel bar processing;
The second stage, inputting a required curvature radius into a control system according to the bending curvature of the steel bar required by engineering, and automatically adjusting the central shaft to a specified curvature radius by the control system;
The third stage, the mechanical arm is adjusted to be tangent with the central shaft with the large curvature radius, the distance between the fixed baffle plate at the end part of the mechanical arm and the divergent central shaft with the large curvature radius can just place reinforcing steel bars, and the bending shaft is fixed in the bending shaft jack at the front side of the rotating direction of the rotating bottom plate;
and in the fourth stage, the bending angle required by the processing of the reinforcing steel bar is input through an input keyboard, and the rotating bottom plate rotates a designated angle according to the setting to finish the processing.
In the first stage of steel bar processing, a hoop bending machine lifting lug is arranged on a top plate of the hoop bending machine so as to move the hoop bending machine through a lifting machine; and a bottom wheel of the hoop bending machine is arranged at the bottom of the hoop bending machine and used for pushing the hoop bending machine, after the specified position is reached, the fixed legs of the stretching hoop bending machine are supported on the ground, and then the fixed legs are fixed on the ground through bolts or pins.
In the second stage of steel bar processing, the curvature radius according to construction requirement is input to the curvature radius display screen by the input keyboard, the coiling controller in the hoop bending machine scrolls the pulley guy cable to bypass the fixed pulley to pull the large curvature radius center shaft to move a certain distance along the center shaft guide rail under the control of the control system until the outer edge of the separated large curvature radius center shaft reaches the outer edge of the curvature radius, the alternating current power supply in the hoop bending machine is started to electrify the electromagnetic coil in the rotating bottom plate, so that the electromagnetic coil generates the separated large curvature radius center shaft which is magnetically attracted to the upper part of the electromagnetic coil, the large curvature radius center shaft is prevented from moving under the interaction force generated when the steel bar is bent, and the rotating bottom plate is made of insulating materials, so that no electric shock danger is ensured to processing personnel in the use process.
In the third stage of the processing of the reinforcing steel bars, the mechanical arm is adjusted according to the diameter of the reinforcing steel bars to be bent until the fixed baffle is parallel to the tangent line of the dispersed central shaft with large curvature radius, the space between the fixed baffle and the fixed baffle can just hold the lower reinforcing steel bar material, and the bending shaft capable of bending the reinforcing steel bars is inserted into the bending shaft insertion hole at the front side of the bending direction of the reinforcing steel bars.
In the fourth stage of the processing of the reinforcing steel bars, the angle required to be bent is input into the bending angle display screen through the input keyboard, the control system automatically starts the motor, the linked rotating gear drives the rotating bottom plate and the bending shaft to rotate simultaneously, and the bending shaft bends the straight reinforcing steel bars by corresponding angles according to the specified curvature radius, so that the processing process of bending the reinforcing steel bars is completed.
Compared with the prior art, the invention has the following beneficial effects.
1. The invention can flexibly move the hoop bending machine through the lifting lug of the hoop bending machine and the bottom wheel of the hoop bending machine, and can work at a specified position.
2. The invention can bend the steel bar into target steel bars with different curvature radiuses by adjusting the central shaft with large curvature radius; the position and the angle of the mechanical arm of the hoop bending machine can be adjusted to adapt to engineering requirements of reinforcing steel bars with different thicknesses.
3. The intelligent computer is arranged in the device, a field worker simply inputs the curvature radius and the bending angle of the steel bar to be bent, and the computer full-automatic control system adjusts the central shaft and the bending shaft, so that accurate machining operation is realized.
4. There are a variety of other modes of operation for the present invention to switch: if the mode of automatically bending the reinforcing steel bar can be switched to a manual mode of manually controlling the bending angle; or the dispersible center axis with large curvature radius is switched to the center axis with small curvature radius to perform the processing operation similar to the traditional hoop bending machine.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a novel hoop bending machine.
FIG. 2 is a vertical cross-section of the novel hoop bending machine of the present invention.
Fig. 3 is a top view of a first stage of the processing of a large radius of curvature rebar in accordance with the present invention.
Fig. 4 is a top view of the second stage of the processing of the large radius of curvature rebar of the present invention.
Fig. 5 is a top view of a third stage of the processing of a large radius of curvature rebar in accordance with the present invention.
Fig. 6 is a top view of a fourth stage of the processing of a large radius of curvature rebar in accordance with the present invention.
Fig. 7 is a top view of a small radius of curvature rebar process of the present invention.
In the figure: the mechanical arm support is 1, the mechanical arm is 2, the fixed baffle is 3, the press bending shaft jack is 4, the large curvature radius central shaft is 5, the rotating bottom plate is 6, the press bending shaft is 7, the pulley guy cable is 8, the fixed pulley is 9, the central shaft guide rail is 10, the top plate of the hoop bending machine is 11, the lifting lug of the hoop bending machine is 12, the side door handle of the hoop bending machine is 13, the side plate of the hoop bending machine is 14, the bottom wheel of the hoop bending machine is 15, the fixed leg is 16, the side door of the hoop bending machine is 17, the curvature radius display screen is 18, the bending angle display screen is 19, the input keyboard is 20, the automatic manual switching button is 21, the manual starting is 22, the manual stopping is 23, the small curvature radius central shaft is 24, the straight reinforcing steel bar is 25, the bending steel bar is 26, the electromagnetic coil is 27, the rotating gear is 28, the motor is 29, the alternating current power supply is 30, and the coiling controller is 31.
Detailed Description
As shown in figures 1-7, the hoop bending machine for machining reinforcing steel bars with different thicknesses at any curvature and angle comprises a hoop bending machine body, a circular plate-shaped rotating bottom plate 6 is movably arranged on a hoop bending machine top plate 11 at the upper end of the hoop bending machine body, a plurality of central shaft guide rails 10 and bending shaft jack groups are circumferentially distributed on the rotating bottom plate 6, the central shaft guide rails 10 and the bending shaft jack groups are respectively distributed along the radial direction of the rotating bottom plate 6, the central shaft guide rails 10 and the bending shaft jack groups are arranged at intervals, the bending shaft jack groups are formed by a plurality of equidistant bending shaft jacks 4 distributed along the radial direction of the rotating bottom plate 6, the lower part of the rotating bottom plate 6 is connected to a power output shaft of a motor 29 through a rotating gear 28, the rotating bottom plate 6 is driven to rotate through the motor 29, a plurality of central shafts 5 with large curvature radius are vertically and circumferentially arrayed at the central shaft of the rotating bottom plate 6, or a small curvature radius central shaft 24 is arranged, the number of the large curvature radius central shafts 5 is the same as that of the central shaft guide rails 10, the large curvature radius central shafts 5 are connected with a wire coiling controller 31 arranged in the hoop bending machine body through pulley guys 8 and fixed pulleys 9 arranged at the end parts of the central shaft guide rails 10, the large curvature radius central shafts 5 are pulled to synchronously reciprocate along the central shaft guide rails 10 through the wire coiling controller 31, the circle radius surrounded by a plurality of large curvature radius central shafts 5 is increased or reduced, the wire coiling controller 31 forms a closed loop with the large curvature radius central shafts 5 through the pulley guys 8 and the fixed pulleys 9, and the like a curtain structure, and the reciprocating movement of the large curvature radius central shafts 5 is realized through forward or reverse rotation. Be provided with arm support 1 on the hoop bending machine roof 11, arm support 1 is connected with fixed stop 3 through arm 2, adjusts fixed stop 3's position and angle through arm 2, be provided with a bending axle 7 on the bending axle jack 4, bending axle 7 inserts in the bending axle jack 4 of reinforcing bar bending direction front side.
A hoop bending machine lifting lug 12 is arranged on the top plate 11 of the hoop bending machine so as to move the hoop bending machine through a crane; the bottom of the hoop bending machine is provided with a hoop bending machine bottom wheel 15 and extensible fixing legs 16, the hoop bending machine bottom wheel 15 is used for pushing the hoop bending machine, and after reaching a designated position, the fixing legs 16 are used for being supported on the ground after being extended, and are fixed on the ground through bolts or pins to fix the hoop bending machine.
The electromagnetic coil 27 is arranged in the rotating bottom plate 6, the electromagnetic coil 27 is electrically connected with an alternating current power supply 30 arranged in the hoop bending machine body, and the electromagnetic coil 27 generates a large curvature radius central shaft 5 which magnetically attracts the upper part of the electromagnetic coil 27 by electrifying the electromagnetic coil 27.
The fixed baffle 3 is parallel to the tangent line of the dispersed central shaft 5 with large curvature radius, and the space between the fixed baffle and the fixed baffle just can accommodate the lower reinforcing steel bar material.
The hoop bending machine body is internally provided with a control system, the control system is a PLC module, modules which can be purchased or purchased directly from the market are assembled together, the control system mainly controls the corresponding winding controller 31 and the motor 29 to work according to input parameters, and the connection relation between other parts is conventional connection or connection according to the specification of the control system. The control system controls the operation of the wire winding controller 31 and the motor 29 according to the curvature and the bending angle input by the input keyboard 20, the curvature radius display screen 18 and the bending angle display screen 19 which are electrically connected with the control system, so that the bending shaft 7 bends the straight reinforcing steel bars 25 to form bent reinforcing steel bars 26 according to the specified curvature radius.
The side plate 14 of the hoop bending machine body is provided with a side door 17 of the hoop bending machine, and the side door 17 of the hoop bending machine is provided with a side door handle 13 of the hoop bending machine for opening the body of the hoop bending machine, debugging or overhauling the control system and the internal structure.
The hoop bending machine body is provided with an automatic manual switching button 21 and a manual starting button 22 and a manual stopping button 23.
The invention relates to a using method of a hoop bending machine for processing steel bars with different thicknesses at any curvature and angle, which is implemented according to the following steps:
Firstly, placing a hoop bending machine at a designated position through a lifting lug 12 of the hoop bending machine or a bottom wheel 15 of the hoop bending machine, and fixing legs 16 by bolts;
Secondly, according to the curvature radius of the steel bar to be processed, a coiling controller 31 in the hoop bending machine stretches a pulley guy rope 8 to drive a large curvature radius central shaft 5 or a small curvature radius central shaft 24 to move outwards along a central shaft guide rail 10 under the control of a control system until the dispersed large curvature radius central shaft 5 or the dispersed small curvature radius central shaft 24 reaches a specified curvature radius position;
And thirdly, adjusting the angle and the position of the mechanical arm 2 so that steel bars with different thicknesses can just pass through a gap between the fixed baffle 3 and the large curvature radius central shaft 5 or the small curvature radius central shaft 24, and driving the bending shaft 7 mounted to the bending shaft jack 4 to rotate by a specified angle by the rotating bottom plate 6 under the control of the control system, thereby completing the bending processing of the steel bars.
The hoop bending machine is applied to the construction site to carry out precise on-site machining on the reinforcing steel bars, and the machining process is controlled by a control system or intuitively machined in a manual mode.
The hoop bending machine can take down the central shaft 5 with a large curvature radius and change the central shaft 24 with a small curvature radius, and perform the same steel bar bending processing as the construction method of the traditional hoop bending machine.
When the hoop bending machine is used for machining the steel bars with large curvature radius, the whole machining process comprises four stages;
the first stage, the positioning and fixing of the steel bar hoop bending machine ensure the stability and safety during the subsequent steel bar processing;
The second stage, inputting a required curvature radius into a control system according to the bending curvature of the steel bar required by engineering, and automatically adjusting the central shaft to a specified curvature radius by the control system;
The third stage, the mechanical arm 2 is adjusted to be tangent with the central shaft 5 with large curvature radius, the distance between the fixed baffle 3 at the end part of the mechanical arm 2 and the central shaft 5 with large curvature radius which diverges can just place reinforcing steel bars, and the bending shaft 7 is fixed in the bending shaft jack 4 at the front side of the rotating direction of the rotating bottom plate 6;
And in the fourth stage, the bending angle required by the processing of the reinforcing steel bar is input through an input keyboard, and the rotating bottom plate 6 rotates by a designated angle according to the setting to finish the processing.
In a first stage of the bar processing, moving the hoop bending machine by a crane by providing hoop bending machine lifting lugs 12 on a hoop bending machine top plate 11; and a bottom wheel 15 of the hoop bending machine is arranged at the bottom of the hoop bending machine and used for pushing the hoop bending machine, and after the specified position is reached, a fixed leg 16 of the stretching hoop bending machine is supported on the ground and then fixed on the ground through bolts or pins.
In the second stage of the steel bar processing, the curvature radius according to the construction requirement is input to a curvature radius display screen through an input keyboard, a coiling controller 31 in the hoop bending machine scrolls a pulley guy rope 8 to bypass a fixed pulley 9 to pull a large curvature radius central shaft 5 to move a certain distance along a central shaft guide rail 10 under the control of a control system until the outer edge of the separated large curvature radius central shaft 5 reaches the outer edge of the curvature radius, an alternating current power supply 30 in the hoop bending machine is started to electrify an electromagnetic coil 27 in a rotating bottom plate 6, so that the electromagnetic coil 27 generates the separated large curvature radius central shaft 5 which magnetically attracts the upper part of the electromagnetic coil 27, the large curvature radius central shaft 5 is prevented from moving under the interaction force generated when the steel bar is bent, and the material adopted by the rotating bottom plate 6 is an insulating material, so that no electric shock danger is ensured in the use process of processing personnel.
In the third stage of the reinforcement processing, the mechanical arm 2 is adjusted according to the diameter of the reinforcement to be bent until the fixed baffle 3 is parallel to the tangent line of the dispersed large-curvature radius central shaft 5, the space between the fixed baffle and the fixed baffle can just hold the lower reinforcement material, and the press bending shaft 7 capable of bending the reinforcement is inserted into the press bending shaft insertion hole 4 at the front side in the reinforcement bending direction.
In the fourth stage of the processing of the steel bar, the required bending angle is input into the bending angle display screen 19 through the input keyboard 20, the control system automatically starts the motor 29, the linked rotating gear 28 drives the rotating bottom plate 6 and the bending shaft 7 to rotate simultaneously, and the bending shaft 7 bends the straight steel bar 25 by a corresponding angle according to a specified curvature radius, so that the processing process of the bent steel bar 26 is completed.
The invention discloses a hoop bending machine capable of processing steel bars with different thicknesses at any curvature and angle, which comprises a replaceable large/small curvature radius central shaft, a press bending shaft, a control system and the like. The method can be applied to the actual engineering of various environmental conditions to carry out precise field processing on the steel bars, and the steel bars with different thicknesses can be bent into any required curvature radius and any bending angle according to engineering requirements through a numerical control system; in addition, the numerical control mode can be switched to the manual processing mode, so that the field processing of the steel bars can be performed more intuitively.
The invention solves the problem that the traditional hoop bending machine can only process around a specific curvature radius shaft, can process on site with any curvature radius and any bending angle aiming at steel bars with different thickness, and has important application significance for improving the processing quality of the steel bars and the construction quality of the structure.
The invention is applied to the construction site to carry out precise site processing on the reinforcing steel bars, the processing process can be controlled by a control system, and the processing can be intuitively carried out in a manual mode. After the hoop bending machine is placed at a designated position through the lifting lug or the bottom wheel of the hoop bending machine, the fixing legs are fixed through bolts. According to the curvature radius of the steel bar to be processed, a coiling controller in the hoop bending machine stretches a pulley guy rope to drive a central shaft to move outwards along a central shaft guide rail under the control of a control system until the dispersed central shaft reaches the specified curvature radius. The angle and the position of the mechanical arm are adjusted so that steel bars with different thicknesses can just pass through the gap between the fixed baffle and the central shaft, and the bending shaft arranged to the bending shaft jack is driven by the rotating bottom plate to rotate by a designated angle under the control of the control system, so that the bending processing of the steel bars is completed. In addition, the large curvature radius central shaft can be removed and replaced by the small curvature radius central shaft, and the same steel bar bending processing as the construction method of the traditional hoop bending machine can be performed.
For steel bars requiring a large radius of curvature, the entire machining process can be divided into four stages. The first stage, the positioning and fixing of the steel bar hoop bending machine ensure the stability and safety during the subsequent steel bar processing; the second stage, inputting a required curvature radius into a control system according to the bending curvature of the steel bar required by engineering, and automatically adjusting the central shaft to a specified curvature radius by the control system; and in the third stage, the mechanical arm is adjusted to be tangent to the central shaft, and the distance between the fixed baffle at the end part of the mechanical arm and the divergent central shaft can just place the reinforcing steel bars. And fixing the press bending shaft at a press bending shaft insertion hole at the front side of the rotation direction of the bottom plate; and in the fourth stage, the bending angle required by the processing of the reinforcing steel bar is input through an input keyboard, and the rotating bottom plate rotates a designated angle according to the setting to finish the processing.
Preferably, in the first stage of the reinforcement bar processing, the reinforcement bar hoop bending machine is positioned and fixed, so that the stability and the safety in the subsequent reinforcement bar processing are ensured. In actual engineering, the position selected by field processing of the steel bar can be changed along with the construction progress, so that the lifting lug is arranged on the top plate of the hoop bending machine of the novel steel bar hoop bending machine, and the hoop bending machine can be moved through the lifting machine; a bottom wheel is also provided at the bottom for pushing. After reaching the designated position, the fixed leg support of the stretching hoop bending machine and the ground can be fixed on the ground through bolts or pins.
Preferably, in the second stage of the reinforcement processing, the construction site often needs reinforcement with different curvature radius for construction, the curvature radius according to the construction requirement is input to the curvature radius display screen by the input keyboard, and the winding controller in the hoop bending machine rolls the pulley cable to pull the large curvature radius central shaft to move a certain distance along the central shaft guide rail by bypassing the fixed pulley under the control of the computer system until the separated central shaft outer edge reaches the curvature radius outer edge. An alternating current power supply in the hoop bending machine is started to electrify an electromagnetic coil in the rotating bottom plate, so that the electromagnetic coil generates a separated central shaft which is magnetically attracted to the upper part of the electromagnetic coil, and the central shaft is ensured not to move under the interaction force generated when the reinforcing steel bar is bent. In addition, the material adopted by the rotary bottom plate is an insulating material, and the electric shock danger is avoided in the use process of the processing personnel.
Preferably, in the third stage of the bar processing, the arm is adjusted according to the diameter of the bar to be bent until the fixed baffle is parallel to the tangent of the central axis of the dispersion, and the distance between the fixed baffle and the tangent is just enough to accommodate the lower bar material. Next, a press bending shaft capable of bending the reinforcing steel bar is inserted into the press bending shaft insertion hole on the front side in the bending direction of the reinforcing steel bar.
Preferably, in the fourth stage of the reinforcement processing, the required bending angle is input into the bending angle display screen through the input keyboard, the control system automatically starts the motor, and the linked rotating gear drives the rotating bottom plate and the bending shaft to rotate simultaneously. Therefore, the bending shaft bends the straight steel bar by a corresponding angle according to a specified curvature radius, and the processing procedure of bending the steel bar is completed.
More preferably, the novel steel bar hoop bending machine can also be processed by changing the large curvature radius central shaft into the small curvature radius central shaft, and the steel bar hoop bending machine is the same as the common hoop bending machine. Namely, the steel bar is placed between the fixed baffle and the central shaft with small curvature radius, and is processed by the bending shaft.
Preferably, in addition to setting the radius of curvature and the bending angle through the input keyboard, the automatic/manual switching button can be used to change the automatic mode into the manual mode, so that a worker can more intuitively operate the bending of the reinforcing steel bar, and the manual operation is helpful for improving the processing speed.
Preferably, the inside part that contains of this novel hoop bending machine has rotation gear, motor, alternating current power supply and spiral controller etc. can be opened through the side door handle on the hoop bending machine side door and debug and maintain.
Compared with the prior art, the beneficial effects that have:
1. The invention can flexibly move the hoop bending machine through the lifting lug of the hoop bending machine and the bottom wheel of the hoop bending machine, and can work at a specified position.
2. The invention can bend the steel bar into target steel bars with different curvature radiuses by adjusting the central shaft with large curvature radius; the position and the angle of the mechanical arm of the hoop bending machine can be adjusted to adapt to engineering requirements of reinforcing steel bars with different thicknesses.
3. The intelligent computer is arranged in the device, a field worker simply inputs the curvature radius and the bending angle of the steel bar to be bent, and the computer full-automatic control system adjusts the central shaft and the bending shaft, so that accurate machining operation is realized.
4. There are a variety of other modes of operation for the present invention to switch: if the mode of automatically bending the reinforcing steel bar can be switched to a manual mode of manually controlling the bending angle; or the dispersible center axis with large curvature radius is switched to the center axis with small curvature radius to perform the processing operation similar to the traditional hoop bending machine.
The following is a brief description of a specific process for processing by the present invention, taking as an example a large radius of curvature bend for a steel bar:
1. the lifting lug of the hoop bending machine is hooked by the crane or the hoop bending machine is pushed to move by utilizing the bottom wheel of the hoop bending machine, so that the hoop bending machine reaches a preset working position on site.
2. Setting an internal computer by using an input keyboard according to the curvature radius and the bending angle of the steel bar to be bent; the system automatically pulls the pulley inhaul cable through the winding controller to enable the central shaft with the large curvature radius to be dispersed to the outer edge with the designated curvature radius, and electrifies the electromagnetic coil to enable the dispersed central shaft with the large curvature radius to be kept fixed.
3. According to the thickness of the steel bars, the position and the angle of the mechanical arm are adjusted, so that the fixed baffle plate is parallel to the central shaft with the large curvature radius, the distance between the fixed baffle plate and the central shaft with the large curvature radius can just place target steel bars, and the steel bars are placed.
4. And starting an automatic processing switch, driving a rotary bottom plate to rotate by an electric motor in the hoop bending machine, and enabling the bending shaft on the rotary bottom plate to rotate by a specified angle to bend the reinforcing steel bars, so that the processing of the reinforcing steel bars is completed.
5. After the processing is finished, the power supply of the reinforcing steel bar hoop bending machine is turned off to ensure the construction safety
The basic principle and main characteristics of the invention and the advantages of the invention are shown and described above, standard parts used by the invention can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. The hoop bending machine for machining reinforcing steel bars with different thicknesses at any curvature and angle is characterized by comprising a hoop bending machine body, wherein a circular plate-shaped rotating bottom plate (6) is movably arranged on a hoop bending machine top plate (11) at the upper end of the hoop bending machine body, a plurality of central shaft guide rails (10) and bending shaft jack groups are distributed on the rotating bottom plate (6) in a circumferential array manner, the central shaft guide rails (10) and the bending shaft jack groups are distributed along the radial direction of the rotating bottom plate (6), the central shaft guide rails (10) and the bending shaft jack groups are arranged at intervals, the bending shaft jack groups are formed by the radial distribution of a plurality of equidistant bending shaft jacks (4) along the rotating bottom plate (6), the lower part of the rotating bottom plate (6) is connected to a power output shaft of a motor (29) through a rotating gear (28), a plurality of large-radius central shafts (5) are arranged on a vertical circumferential array at the central shaft of the rotating bottom plate (6), or a small-radius central shaft (24) is arranged, the number of the large-radius central shafts (5) and the central shafts (5) are connected with a pulley (9) at the inner part of the fixed pulley (9) of the pulley (10), the bending machine comprises a central shaft guide rail (10), a plurality of central shafts (5) with large curvature radius, a coiling controller (31), a mechanical arm support (1) and a bending shaft jack (4), wherein the central shafts (5) with large curvature radius are pulled to synchronously reciprocate along the central shaft guide rail (10), the radius of a circle surrounded by the central shafts (5) with large curvature radius is increased or reduced, the top plate (11) of the bending machine is provided with the mechanical arm support (1), the mechanical arm support (1) is connected with a fixed baffle (3) through a mechanical arm (2), the position and the angle of the fixed baffle (3) are adjusted through the mechanical arm (2), the bending shaft jack (4) is provided with a bending shaft (7), and the bending shaft (7) is inserted into the bending shaft jack (4) at the front side of the bending direction of a reinforcing steel bar; an electromagnetic coil (27) is arranged in the rotating bottom plate (6), the electromagnetic coil (27) is electrically connected with an alternating current power supply (30) arranged in the hoop bending machine body, and the electromagnetic coil (27) is electrified to enable the electromagnetic coil (27) to generate a large curvature radius central shaft (5) which magnetically attracts the upper portion of the electromagnetic coil.
2. A method of using the hoop bending machine according to claim 1 for machining any curvature and angle of steel bars with different thicknesses, comprising the following steps:
Firstly, placing a hoop bending machine at a designated position through a lifting lug (12) of the hoop bending machine or a bottom wheel (15) of the hoop bending machine, and fixing a fixed leg (16) by adopting a bolt;
Secondly, according to the curvature radius of the steel bar to be processed, a coiling controller (31) in the hoop bending machine stretches a pulley guy cable (8) under the control of a control system to drive a large-curvature radius central shaft (5) or a small-curvature radius central shaft (24) to move outwards along a central shaft guide rail (10) until the dispersed large-curvature radius central shaft (5) or the dispersed small-curvature radius central shaft (24) reaches a specified curvature radius position;
And thirdly, adjusting the angle and the position of the mechanical arm (2) so that the steel bars with different thicknesses can just pass through the gap between the fixed baffle (3) and the large curvature radius central shaft (5) or the small curvature radius central shaft (24), and driving the bending shaft (7) mounted to the bending shaft jack (4) to rotate by a designated angle by the rotating bottom plate (6) under the control of the control system, thereby completing the bending processing of the steel bars.
3. The method of claim 2, wherein the hoop bending machine is used for precise on-site machining of the steel bars in construction sites, and the machining process is controlled by a control system or is intuitively performed in a manual mode.
4. The method for using the hoop bending machine for machining any curvature and angle of steel bars with different thicknesses according to claim 2, wherein the hoop bending machine can be used for removing the central shaft (5) with a large curvature radius and replacing the central shaft (24) with the central shaft with a small curvature radius, and the steel bar bending machining is performed in the same way as the traditional hoop bending machine is used for constructing.
5. The method for using the hoop bending machine for machining any curvature and angle of steel bars with different thicknesses according to claim 2, wherein the whole machining process comprises four stages when the hoop bending machine is used for machining the steel bars with large curvature radius;
the first stage, the positioning and fixing of the steel bar hoop bending machine ensure the stability and safety during the subsequent steel bar processing;
The second stage, inputting a required curvature radius into a control system according to the bending curvature of the steel bar required by engineering, and automatically adjusting the central shaft to a specified curvature radius by the control system;
The third stage, the mechanical arm (2) is adjusted to be tangent with the large curvature radius central shaft (5), the distance between the fixed baffle (3) at the end part of the mechanical arm (2) and the divergent large curvature radius central shaft (5) can just place reinforcing steel bars, and the bending shaft (7) is fixed in the bending shaft jack (4) at the front side of the rotating direction of the rotating bottom plate (6);
And in the fourth stage, the bending angle required by the processing of the reinforcing steel bar is input through an input keyboard, and the rotating bottom plate (6) rotates a designated angle according to the setting to finish the processing.
6. The method of using a bending machine for machining steel bars of any curvature and angle of different thickness according to claim 5, characterized in that in the first stage of the machining of the steel bars, the bending machine is moved by means of a crane by providing a bending machine lifting lug (12) on the bending machine top plate (11); and a bottom wheel (15) of the hoop bending machine is arranged at the bottom of the hoop bending machine and used for pushing the hoop bending machine, and after the specified position is reached, a fixed leg (16) of the stretching hoop bending machine is supported on the ground and then fixed on the ground through bolts or pins.
7. The method for using the hoop bending machine for machining steel bars with different thicknesses according to any curvature and angles is characterized in that in the second stage of machining the steel bars, the curvature radius required by construction is input to a curvature radius display screen through an input keyboard, a winding controller (31) in the hoop bending machine is controlled by a control system to roll a pulley guy cable (8) to drive a large curvature radius central shaft (5) to move a certain distance along a central shaft guide rail (10) by bypassing a fixed pulley (9), until the outer edge of the separated large curvature radius central shaft (5) reaches the outer edge of the curvature radius, an alternating current power supply (30) in the hoop bending machine is started to electrify an electromagnetic coil (27) in a rotating base plate (6), so that the electromagnetic coil (27) generates the separated large curvature radius central shaft (5) which is magnetically attracted to the upper part of the electromagnetic coil, the large curvature radius central shaft (5) is prevented from moving under the interaction force generated when the steel bars are bent, and the material adopted by the rotating base plate (6) is an insulating material, so that no electric shock danger is ensured in the use process of a machining person.
8. The method according to claim 5, wherein in the third stage of the reinforcement bar processing, the mechanical arm (2) is adjusted according to the diameter of the reinforcement bar to be bent until the fixed baffle (3) is parallel to the tangent line of the dispersed large curvature radius central shaft (5), and the distance between the fixed baffle and the fixed baffle is just enough to accommodate the lower reinforcement bar material, and the press bending shaft (7) capable of bending the reinforcement bar is inserted into the press bending shaft insertion hole (4) at the front side of the reinforcement bar bending direction.
9. The method for using the hoop bending machine for machining steel bars with different thicknesses according to any curvature and angle of claim 5, wherein in the fourth stage of machining steel bars, a required bending angle is input into a bending angle display screen (19) through an input keyboard (20), a control system automatically starts a motor (29), a linked rotating gear (28) drives a rotating bottom plate (6) and a bending shaft (7) to rotate simultaneously, and the bending shaft (7) bends a straight steel bar (25) by a corresponding angle according to a specified curvature radius, so that the machining process of the bent steel bar (26) is completed.
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| KR870003895Y1 (en) * | 1983-09-19 | 1987-12-05 | 이세원 | Bending machine of steel bar |
| AT406744B (en) * | 1998-11-20 | 2000-08-25 | Filzmoser Franz | WIRE BENDING MACHINE, IN PARTICULAR FOR BENDING STEEL WIRE |
| KR200300641Y1 (en) * | 2002-09-11 | 2003-01-14 | 임경호 | Iron bar bender |
| US7380430B1 (en) * | 2007-03-16 | 2008-06-03 | Christopher J. Rusch | Rotary draw tube bender |
| CN107442613A (en) * | 2017-09-25 | 2017-12-08 | 德清四维机械有限公司 | A kind of bending machine wheel membrane module |
| 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 |
| CN208913021U (en) * | 2018-09-22 | 2019-05-31 | 陕西理工大学 | A kind of construction site steel bar bending apparatus |
| CN209174786U (en) * | 2018-11-16 | 2019-07-30 | 浙江礼显试验仪器制造有限公司 | A kind of angle-bender |
| CN109807208B (en) * | 2019-03-07 | 2020-02-28 | 浙江大学 | Variable-bending-diameter thin-wall pipe bending forming device for multi-roller envelope forming |
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