CN102632165B - Arm type automatic reinforcing steel bar molding machine - Google Patents
Arm type automatic reinforcing steel bar molding machine Download PDFInfo
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- CN102632165B CN102632165B CN201210081883.4A CN201210081883A CN102632165B CN 102632165 B CN102632165 B CN 102632165B CN 201210081883 A CN201210081883 A CN 201210081883A CN 102632165 B CN102632165 B CN 102632165B
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Abstract
The invention discloses an arm type automatic reinforcing steel bar molding machine, which comprises a support provided with a horizontal guide groove. An automatic molding device is arranged on the support and consists of a hinge type bending mechanism and movable bending mechanisms, the hinge type bending mechanism is disposed on the support, the movable bending mechanisms are positioned on two sides of the support, the hinge type bending mechanism consists of a left swing arm, a right swing arm and a power device, the left swing arm and the right swing arm are symmetrically hinged together by a hinge shaft, the bottom of the hinge shaft is arranged in the guide groove and can be driven by the power device to slide along the guide groove so as to drive the left swing arm and the right swing arm to swing, each movable bending mechanism consists of driving devices which are symmetrically fixed onto the left swing arm and the right swing arm around the hinge shaft, and the driving devices are connected with the bending mechanisms and drive the bending mechanisms to reciprocate on the swing arms. After the hinge type bending mechanism and the movable bending mechanisms are used together, an operator only needs to place a reinforcing steel bar into the automatic molding machine so that the reinforcing steel bar can be automatically molded at one step.
Description
Technical field
The present invention relates to the angle bender in a kind of technical field of buildings, particularly arm-type reinforcing bar automatic moulding machine.
Background technology
In architectural engineering, the reinforcing bar frame-saw of armored concrete need to be formed by reinforcing bar bending conventionally.Reinforcing bar frame-saw has five bent angles, as a rule needs two bent angles of first bending, then reverses end for end two bent angles of the bending other end, last manual at last bent angle of the middle part of reinforcing bar bending, carry out altogether five Bending Processing and make reinforcing bar be bent into rectangular shaped rim, its labour intensity is large, inefficiency.
The applicant's formerly application publication number is that invention " a kind of multiple angle fittings reinforced bar bender " part of CN 101249542A has solved the problems referred to above, and this invention utilizes the bending swinging block of interlock and the movable swinging block can be by the automatic bending formings in angle of 3 90 degree in reinforcing bar frame-saw.But this device can only be processed the reinforcing bar of bending forming of two ends, and cannot be by the bar one-time bending forming of vertical bar, need first the reinforcing bar of vertical bar to be carried out on other machines the bending at two ends, put into again this device, virtually increased operator's job step, also more complicated operates.In addition, for the reinforcing bar frame-saw of processing different size model, its associated mechanisms parts are adjusted also relatively loaded down with trivial details, are unfavorable for the many-sided user demand of user.
Summary of the invention
In order to address the above problem technical problem, the object of this invention is to provide a kind of arm-type reinforcing bar automatic moulding machine.
The technical solution adopted in the present invention is:
An arm-type reinforcing bar automatic moulding machine, comprises the support that is provided with horizontal direction guide groove, and support is provided with device for automatically molding, and described device for automatically molding comprises the radial type bending mechanism being located on support and is positioned at the movable bending mechanism of support both sides; Articulated bending mechanism comprises that, by jointed shaft symmetrical hinged left and right swing arm and power set, the bottom of jointed shaft is located in guide groove and also can under the drive of power set, along guide groove, slides, thereby drives left and right swing arm to swing; Described movable bending mechanism comprises centered by jointed shaft, and symmetry is fixed on the drive unit in left and right swing arm, and drive unit is connected with bending mechanism and can drives bending mechanism to move back and forth in swing arm.
As a further improvement on the present invention, described left and right swing arm is staggered up and down and is hinged on jointed shaft, and keeps upper and lower end face coplanar, is provided with the push block being fixed on jointed shaft in staggered positions; Described power set act on push block and drive jointed shaft to slide.
As a further improvement on the present invention, in described left and right swing arm, be arranged with chute, be fixed with guide shaft on support, the upper end of guide shaft packs in chute, and chute can be slided along guide shaft; In left and right swing arm, at the monosymmetric positioning seat that is fixed with of jointed shaft, positioning seat is provided with alignment pin, and this alignment pin is between guide shaft and jointed shaft.
As a further improvement on the present invention, fix the first travel switch on described support, power set are provided with for triggering the stroke piece of the first travel switch.
As a further improvement on the present invention, in described left and right swing arm, be fixed with respectively along the guide rail beam of swing arm direction; Described drive unit comprises the first oil cylinder being fixed on guide rail beam; Described bending mechanism is slidably connected on guide rail beam by sliding seat, and the axis of the piston end of the first oil cylinder is fixed in bending mechanism, and its stretching motion drives bending mechanism to move back and forth on guide rail beam.
As a further improvement on the present invention, described drive unit comprises the stroke support that is located on the first oil cylinder, is fixed on the second travel switch on guide rail beam, stroke support is provided with the triggering block of two adjustable positions, be positioned at the second travel switch both sides, be used for triggering the second travel switch, control the displacement of bending mechanism in swing arm.
As a further improvement on the present invention, described bending mechanism comprises the governor motion that can incline; The described governor motion that inclines comprises fulcrum, adjusting bolt and the close fixed head that slides seat one side; It is horizontally disposed that a direction is slided on described fulcrum edge, and a side is fixed on and slides seat above, and opposite side is movably connected on fixed head; Described adjusting bolt is back-outed from inside to outside and is provided with the fixed head of screwed hole, and screw rod tail end withstands on and slides on seat.
As a further improvement on the present invention, described bending mechanism comprises the second oil cylinder, bending device; Described bending device comprises panel, and panel below is fixed with the gear assembly by the second hydraulic oil cylinder driving, and the gear shaft top of gear assembly is through panel and be fixed with the dish that curves with its rotation; The described dish central authorities that curve are fixed with central pin shaft, curve on the circumference of panel surface and are fixed with rotary pin shaft; Described panel is fixed with gear key seat, be fixed on gear bearing pin on gear key seat and be positioned at kidney basin circumference top, and with the opposite side of rotary pin shaft at same semicircle.
As a further improvement on the present invention, described the second oil cylinder is provided with can be with the crooked stroke support of its piston rod movement, crooked stroke support is connected with angle demodulator and angle transverter in turn from front to back along the second oil cylinder direction, for triggering and be fixed on the third trip switch on bending device side plate respectively, control the stroke of the second oil cylinder.
The invention has the beneficial effects as follows: after radial type bending mechanism and movable bending mechanism are used in combination, operator only need to put into reinforcing bar the automatic moulding that automatic moulding machine of the present invention can be realized reinforcing bar, and standard, the unification more of the bar gauge after moulding.In addition, by changing the state of the bending mechanism in movable bending mechanism, can realize the requirement of automatic bending different size reinforcing bar.The present invention has higher formed reinforcing steel bars efficiency, for reduce labor strength, cost-saving, improve construction speed and there is epoch-making meaning.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention's the first motion state;
Fig. 3 is the structural representation of the present invention's the second motion state;
Fig. 4 is the structural representation of the present invention's the 3rd motion state;
Fig. 5 is the structural representation of the present invention's the 4th motion state;
Fig. 6 be A of the present invention to generalized section;
Fig. 7 be B of the present invention to generalized section;
Fig. 8 is the structural representation of movable bending mechanism of the present invention;
Fig. 9 is movable bending mechanism top view of the present invention;
Figure 10 is movable bending mechanism front view of the present invention;
Figure 11 is the partial cutaway schematic of bending mechanism of the present invention;
Figure 12 be after bending mechanism of the present invention rotation is tilted partial cutaway schematic;
Figure 13 is the schematic diagram of bending reinforcing bar frame-saw required for the present invention.
The specific embodiment
As shown in Figure 1, a kind of arm-type reinforcing bar automatic moulding machine, comprise the support 1 that is provided with horizontal direction guide groove 11, support 1 is provided with device for automatically molding 2, and device for automatically molding 2 comprises the radial type bending mechanism 3 being located on support 1 and the movable bending mechanism 4 that is positioned at support 1 both sides.
Radial type bending mechanism 3 comprises left and right swing arm 32,33 and power set 34, symmetrical being hinged on jointed shaft 31 that the left end of the right-hand member of left swing arm 32 and right swing arm 33 staggers up and down, and keep the upper and lower end face of two swing arms respectively in same plane, thereby keep the symmetry of whole mechanism.Staggered positions in two swing arms is equipped with the push block 35 being fixed on jointed shaft 31.Power set 34 in the present embodiment are the hydraulic jacks that are fixed on support 1, and under original state, its piston rod natural shrinking is in oil cylinder, and under duty, after piston rod extends, energy pushing tow is on push block 35.The bottom of jointed shaft 31 is contained in guide groove 11 and can under the thrusting action of hydraulic jack, along guide groove 11, slides, thereby drives left and right swing arm 32,33 to swing.
In left and right swing arm 32,33, symmetry offers chute 36, and support 1 is provided with guide shaft 12, and the lower end of guide shaft 12 is welded on support 1, and upper end packs in chute 36, and chute 36 can be slided along guide shaft 12; In left and right swing arm 32,33 at the monosymmetric positioning seat 37 that is fixed with of jointed shaft 31, for supporting the reinforcing bar of placing bending use, on positioning seat 37, fixed locating stud 38, this alignment pin 38 is between guide shaft 12 and jointed shaft 31, contour with jointed shaft 31, the moulding at middle part location while bending for reinforcing bar.
On support 1, fix the first travel switch 13, the piston rod of hydraulic jack is provided with for triggering the stroke piece 39 of the first travel switch 13, and in the present embodiment, stroke piece 39 is a collision block, touches the first travel switch 13, and hydraulic jack quits work.
After hydraulic jack work, drive jointed shaft 31 to slide at guide groove 11, by the cooperation of guide shaft 12 and chute 36, locate, left and right swing arm 32,33 and alignment pin 38 take together jointed shaft 31 as the center of circle relative rotary oscillation.
In left and right swing arm 32,33, be fixed with respectively the guide rail beam 7 along swing arm direction; Movable bending mechanism 4 comprises centered by jointed shaft 31, and symmetry is fixed on the drive unit 5 of two swing arm upper guide rail beams 7, and drive unit 5 is connected with bending mechanism 6 and can drives bending mechanism 6 to move back and forth on guide rail beam 7.
As shown in Figure 8 and Figure 11, bending mechanism 6 is slidably connected on guide rail beam 7 by sliding seat 61.Drive unit 5 in the present embodiment comprises that the axis of the piston end that is fixed on the first oil cylinder 51, the first oil cylinders 51 on guide rail beam 7 is fixedly connected with bending mechanism 6, and the stretching motion of the axis of the piston can drive bending mechanism 6 to move back and forth on guide rail beam 7.
As shown in Figures 8 to 10, drive unit 5 also comprises the stroke support 52 that is located on the first oil cylinder 51, is fixed on the second travel switch 53 on guide rail beam 7.On stroke support 52, use respectively two triggering blocks 54 of Bolt to position, triggering block 54 is positioned at the second travel switch 53 both sides, for touching respectively the second travel switch 53, controls the start and stop of the first oil cylinder 51.When the axis of the piston of the first oil cylinder 51 stretches out, promote bending mechanism 6 and stroke support 52 and move to right, until the triggering block 54 in left side is touched the second travel switch 53, the first oil cylinders 51, stop action; Under the control of extraneous program, the axis of the piston of the first oil cylinder 51 shrinks, and drives bending mechanism 6 and stroke support 52 to move to left, until the triggering block 54 on right side is touched the second travel switch 53, the first oil cylinders 51, stops action.Two triggering blocks engineering support 52 of can being expert at changes positions and adjusts distance to each other, thereby the formation of the first oil cylinder 51, controls the displacement of bending mechanism 6 in swing arm.
As shown in figure 11, bending mechanism 6 comprises the governor motion 8 that can incline; Can incline governor motion 8 by fulcrum 81, adjusting bolt 82 and form near the fixed head 83 that slides seat 61 1 sides.Fulcrum 81 is horizontally disposed along sliding seat 61 directions, and a side is fixed on and slides on seat 61, and opposite side is movably connected on fixed head 83.On fixed head 83, there are four screwed holes, 4 adjusting bolts 82 fixed head 83 of back-outing from inside to outside, screw rod tail end withstands on and slides on seat 61.As shown in figure 12, the problem that there will be two ends interference and collision that is difficult to avoid after the automatic bending forming of framework of steel reinforcement, by tightening or loosening adjusting bolt 82, change the distance that it stretches out fixed head 83, make fixed head 83 take fulcrum 81 as rotating shaft is clockwise or be rotated counterclockwise a low-angle, drive whole bending mechanism 6 to tilt, during bending reinforcing bar, the every bending of reinforcing bar once will tilt once in the vertical direction, and a difficult problem for two ends interference and collision is reasonably avoided in last bending.
As shown in Fig. 8 to Figure 10, bending mechanism 6 comprises the second oil cylinder 62, bending device.Bending device comprises panel 91, and panel 91 belows are fixed with gear assembly 92, tooth bar, gear-box and gear shaft 99, consists of.The piston rod of the second oil cylinder 62 drives tooth bar, the gear in driven gear case and gear shaft 99 rotations.Gear shaft 99 tops, through panel 91, coil 93 with curving of its rotation of flat key fixed random.This surface and positioning seat 37 that curves dish 93 is contour, and in order to place supporting reinforcing bar, its central authorities are fixed with central pin shaft 94, are fixed with rotary pin shaft 95 on circumference.Panel 91 is fixed with gear key seat 96, be fixed on gear bearing pin 97 on gear key seat 96 and be positioned at and curve dish 93 circumference tops, and with the opposite side of rotary pin shaft 95 at same semicircle.The space of reinforcing bar being put into central pin shaft 94 and rotary pin shaft 95, gear bearing pin 97, during reinforcing bar bending, curves dish 93 rotations, central pin shaft 94 is motionless, rotary pin shaft 95 drives reinforcing bar bending, and the location that gear bearing pin 97 keeps reinforcing bar, reaches the object that reinforcing bar bends various angles.
The second oil cylinder 62 is provided with can be with the crooked stroke support 63 of its piston rod movement, crooked stroke support 63 is connected with angle demodulator 64 and angle transverter 65 in turn from front to back along the second oil cylinder 62 directions, for triggering and be fixed on the third trip switch 98 on bending device side plate respectively, thus the stroke of control the second oil cylinder 62.On bending mechanism 6, be also provided with for triggering the conversion equipment of third trip switch 98 under control angle adjuster 64 and angle transverter 65 different conditions.When angle transverter 65 triggers third trip switch 98, the piston rod stroke of the second oil cylinder 62 is shorter, curves dish 93 anglecs of rotation less, and reinforcing bar bending angle is also less; When angle demodulator 64 triggers third trip switch 98, the piston rod stroke of the second oil cylinder 62 is long, curves dish 93 anglecs of rotation larger, and reinforcing bar bending angle is also larger.Curve after dish 93 has curved set angle and can be reset to previous status at once.Being set to of the present embodiment, the smaller angle of bending angle is 90 degree, bending angle compared with wide-angle, be 135 degree.
The bending process of the present embodiment reinforcing bar frame-saw and bending principle are such:
As shown in figure 13: reinforcing bar frame-saw need bend 5 angles altogether, be respectively angle A, B, C, D, E.Wherein angle C, D are 135 degree, and all the other are 90 degree.As shown in Figure 1, first adjust power set 34, in left and right, swing arm 32,33 the first oil cylinder 51 and the second oil cylinder 62 original state, adjust the state of bending mechanism 6, make the bending mechanism on left swing arm 32 inwardly rotate inclination, the bending mechanism of right swing arm 33 tilts to inner rotary.
The reinforcing bar of one or more of bending use is put on the automatic moulding machine of the present embodiment.
As shown in Figure 2, start power set 34, its piston rod stretches out and drives jointed shaft 31 to slide on guide groove 11, and take the relative rotary oscillation of left and right swing arm 32,33 to, start the angle A of bending reinforcing steel bar, until stroke piece 39 triggers the first travel switch 13, power set 34 just can be out of service, the bending process of angle A is slower, synchronizes and carries out with the bending of all the other angles; Meanwhile, angle C and the angle D at 6 while of bending mechanism bending reinforcing steel bar two ends.
as shown in Figure 3,4, after angle C and D bending, the second oil cylinder 62 on bending mechanism 6 drives and curves dish 93 resets, afterwards, bending mechanism on right swing arm 33 is the mobile distance bending angle B setting in swing arm, bending mechanism on left swing arm 32 is the mobile distance bending angle E setting in swing arm, as shown in Figure 4,5.In the present embodiment, the bending of angle A, B, E completes simultaneously, can allow like this operating efficiency the highest.After angle B, angle E have bent, the second oil cylinder 62 drives and curves dish 93 resets.User is by the discharging of reinforcing bar frame-saw.
After discharging completes, the mechanism of the whole automatic moulding machine of programme-control returns back to original state, gets back to state as shown in Figure 1, just now reinforcing bar not on the automatic moulding machine of the present embodiment.
The automatic moulding machine of the present embodiment, except can bending reinforcing steel bar skeleton frame, can also bend the reinforcing bar of most shapes of architectural use, has the very strong scope of application.
These are only preferential embodiment of the present invention, as long as within the technical scheme that realizes the object of the invention with basic identical means all belongs to protection scope of the present invention.
Claims (8)
1. an arm-type reinforcing bar automatic moulding machine, comprise the support (1) that is provided with horizontal direction guide groove (11), support (1) is provided with device for automatically molding (2), it is characterized in that: described device for automatically molding (2) comprises the radial type bending mechanism (3) being located on support (1) and is positioned at the movable bending mechanism (4) of support (1) both sides; Articulated bending mechanism (3) comprises by jointed shaft (31) symmetrical hinged left and right swing arm (32,33) and power set (34), the bottom of jointed shaft (31) is located in guide groove (11) and can under the drive of power set (34), along guide groove (11), slides, thereby drives left and right swing arm (32,33) to swing; Described movable bending mechanism (4) comprises centered by jointed shaft (31), symmetry is fixed on the drive unit (5) in left and right swing arm (32,33), and drive unit (5) is connected with bending mechanism (6) and can drives bending mechanism (6) to move back and forth in swing arm; In described left and right swing arm (32,33), be fixed with respectively the guide rail beam (7) along swing arm direction; Described drive unit (5) comprises the first oil cylinder (51) being fixed on guide rail beam (7); Described bending mechanism (6) is slidably connected at guide rail beam (7) above by sliding seat (61), and the axis of the piston end of the first oil cylinder (51) and bending mechanism (6) are fixing, and its stretching motion drives bending mechanism (6) to move back and forth on guide rail beam (7).
2. arm-type reinforcing bar automatic moulding machine according to claim 1, it is characterized in that: described left and right swing arm (32,33) is staggered up and down and is hinged on jointed shaft (31), and keep upper and lower end face coplanar, in staggered positions, be provided with the push block (35) being fixed on jointed shaft (31); Described power set (34) act on the upper jointed shaft (31) that drives of push block (35) and slide.
3. arm-type reinforcing bar automatic moulding machine according to claim 2, it is characterized in that: described left and right swing arm is arranged with chute (36) on (32,33), on support (1), be fixed with guide shaft (12), the upper end of guide shaft (12) packs in chute (36), and chute (36) can be slided along guide shaft (12); Left and right swing arm (32,33) is upper, and at the monosymmetric positioning seat (37) that is fixed with of jointed shaft (31), positioning seat (37) is provided with alignment pin (38), and this alignment pin (38) is positioned between guide shaft (12) and jointed shaft (31).
4. arm-type reinforcing bar automatic moulding machine according to claim 1, is characterized in that: on described support (1), fix the first travel switch (13), power set (34) are provided with for triggering the stroke piece (39) of the first travel switch (13) switch.
5. arm-type reinforcing bar automatic moulding machine according to claim 1, it is characterized in that: described drive unit (5) comprises the stroke support (52) that is located on the first oil cylinder (51), is fixed on the second travel switch (53) on guide rail beam (7), stroke support (52) is provided with the triggering block (54) of two adjustable positions, be positioned at the second travel switch (53) both sides, be used for triggering the second travel switch (53), control the displacement of bending mechanism (6) in swing arm.
6. arm-type reinforcing bar automatic moulding machine according to claim 1, is characterized in that: described bending mechanism (6) comprises the governor motion (8) that can incline; The described governor motion that inclines (8) comprises fulcrum (81), adjusting bolt (82) and the close fixed head (83) that slides seat (61) one sides; It is horizontally disposed that seat (61) direction is slided on described fulcrum (81) edge, and a side is fixed on and slides seat (61) above, and opposite side is movably connected on fixed head (83); Described adjusting bolt (82) is back-outed from inside to outside and is provided with the fixed head (83) of screwed hole, and screw rod tail end withstands on and slides on seat (61).
7. arm-type reinforcing bar automatic moulding machine according to claim 1, is characterized in that: described bending mechanism (6) comprises the second oil cylinder (62), bending device; Described bending device comprises panel (91), panel (91) below is fixed with the gear assembly (92) being driven by the second oil cylinder (62), and gear shaft (99) top of gear assembly (92) is through panel (91) and be fixed with and curve dish (93) with its rotation; Described dish (93) central authorities that curve are fixed with central pin shaft (94), curve on the surperficial circumference of dish (93) and are fixed with rotary pin shaft (95); Described panel (91) is fixed with gear key seat (96), be fixed on gear bearing pin (97) on gear key seat (96) and be positioned at and curve dish (93) circumference top, and with the opposite side of rotary pin shaft (95) at same semicircle.
8. arm-type reinforcing bar automatic moulding machine according to claim 7, it is characterized in that: described the second oil cylinder (62) is provided with can be with the crooked stroke support (63) of its piston rod movement, crooked stroke support (63) is connected with angle demodulator (64) and angle transverter (65) in turn from front to back along the second oil cylinder (62) direction, for triggering and be fixed on the third trip switch (98) on bending device side plate respectively, thus the stroke of control the second oil cylinder (62).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210081883.4A CN102632165B (en) | 2012-03-23 | 2012-03-23 | Arm type automatic reinforcing steel bar molding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210081883.4A CN102632165B (en) | 2012-03-23 | 2012-03-23 | Arm type automatic reinforcing steel bar molding machine |
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| CN102632165A CN102632165A (en) | 2012-08-15 |
| CN102632165B true CN102632165B (en) | 2014-04-02 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042134B (en) * | 2012-12-21 | 2014-11-19 | 冯广建 | Multifunctional combined automatic rebar former |
| CN103100610B (en) * | 2013-02-06 | 2014-11-19 | 冯广建 | Rod-type steel automatic forming machine |
| CN103170554B (en) * | 2013-03-25 | 2014-11-19 | 冯广建 | Automatic molding machine used for rebar molding at a time |
| CN105234314B (en) * | 2015-10-29 | 2017-10-20 | 重庆盛瓒科技有限公司 | A kind of foundation bolt forming machine |
| CN108480516B (en) * | 2018-06-13 | 2023-06-06 | 重庆科技学院 | Reinforcing steel bar bending device and method and application thereof |
| CN110479814A (en) * | 2019-08-05 | 2019-11-22 | 深圳市康振机械科技有限公司 | Automatic bending equipment |
| CN110315005B (en) * | 2019-08-08 | 2021-04-23 | 闽清紫扬信息技术有限公司 | Rebar bending machine that engineering construction used |
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|---|---|---|---|---|
| DE2918813A1 (en) * | 1979-05-10 | 1980-11-20 | Brueninghaus Gmbh Stahlwerke | Bending machine for metal bars or tubes - has horizontally movable pillars supporting respective anvils on which workpiece is bent via rollers on lever arms |
| CN101249542A (en) * | 2008-03-12 | 2008-08-27 | 冯广建 | Multiple angle fittings reinforced bar bender |
| CN202571086U (en) * | 2012-03-23 | 2012-12-05 | 冯广建 | Arm type automatic steel bar forming machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154329A (en) * | 1981-03-20 | 1982-09-24 | Mitsui Eng & Shipbuild Co Ltd | Method and device for production of barshaped steel material |
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2012
- 2012-03-23 CN CN201210081883.4A patent/CN102632165B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2918813A1 (en) * | 1979-05-10 | 1980-11-20 | Brueninghaus Gmbh Stahlwerke | Bending machine for metal bars or tubes - has horizontally movable pillars supporting respective anvils on which workpiece is bent via rollers on lever arms |
| CN101249542A (en) * | 2008-03-12 | 2008-08-27 | 冯广建 | Multiple angle fittings reinforced bar bender |
| CN202571086U (en) * | 2012-03-23 | 2012-12-05 | 冯广建 | Arm type automatic steel bar forming machine |
Non-Patent Citations (1)
| Title |
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| JP昭57-154329A 1982.09.24 |
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