CN110434249A - A kind of angle-bender - Google Patents

A kind of angle-bender Download PDF

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Publication number
CN110434249A
CN110434249A CN201910782364.2A CN201910782364A CN110434249A CN 110434249 A CN110434249 A CN 110434249A CN 201910782364 A CN201910782364 A CN 201910782364A CN 110434249 A CN110434249 A CN 110434249A
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CN
China
Prior art keywords
stock chest
reinforcing bar
workbench
scratch diskette
push
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910782364.2A
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Chinese (zh)
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CN110434249B (en
Inventor
卢凤军
于五一
侯震宇
乔艳东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jingcheng Hengtong Engineering Technology Testing Co Ltd
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Beijing Jingcheng Hengtong Engineering Technology Testing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Beijing Jingcheng Hengtong Engineering Technology Testing Co Ltd filed Critical Beijing Jingcheng Hengtong Engineering Technology Testing Co Ltd
Priority to CN201910782364.2A priority Critical patent/CN110434249B/en
Publication of CN110434249A publication Critical patent/CN110434249A/en
Application granted granted Critical
Publication of CN110434249B publication Critical patent/CN110434249B/en
Active legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F1/00Bending wire other than coiling; Straightening wire

Abstract

The present invention relates to a kind of angle-benders, belong to the technical field of steel bar bending device, its key points of the technical solution are that including workbench, the scratch diskette of the main motor driving rotation inside by workbench is provided on the workbench, central axis and shaping axle are provided on the scratch diskette, it is formed between the central axis and the shaping axle and shelves space for what reinforcing bar was shelved, it is located on the outside of scratch diskette on the workbench and is provided with the pressing device that the pars convoluta to be curved of backstop reinforcing bar is rotated with scratch diskette, and it is arranged in automatic charging device of the workbench far from operator side.It is an advantage of the invention that can automatically be in place reinforcing bar, the labor intensity of worker is reduced.

Description

A kind of angle-bender
Technical field
The present invention relates to the technical fields of steel bar bending device, more particularly, to a kind of angle-bender.
Background technique
Angle-bender is a kind of mechanical equipment that buckling work is carried out to reinforcing bar, which is widely used in metallurgy, machine Tool manufacture, construction, project supervision, technical quality supervision etc. industries, so as to by steel bar meter at required geometry.
Existing angle-bender includes workbench, is provided on workbench and is turned by main drive motor driving inside workbench Dynamic scratch diskette is provided with central axis and shaping axle on scratch diskette, is arranged with flexual center set on central axis, flexual center set and shaping axle it Between be formed with and shelve space for what reinforcing bar was shelved, the side of scratch diskette is additionally provided with backstop reinforcing bar and fills with the compression that scratch diskette rotates It sets, scratch diskette during rotation, drives shaping axle by bending reinforcement.
Have the following deficiencies: that every bending work for completing a reinforcing bar requires work later in above prior art Manpower is dynamic to be in place another reinforcing bar to bending, in carrying out the large batch of bending reinforcement course of work, places repeatedly Reinforcing bar makes the labor intensity of worker larger.
Summary of the invention
The object of the present invention is to provide a kind of angle-benders, its advantage is that can automatically be in place reinforcing bar, reduce The labor intensity of worker.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of angle-bender, including Workbench is provided with the scratch diskette of the main motor driving rotation inside by workbench on the workbench, sets on the scratch diskette It is equipped with central axis and shaping axle, is formed between the central axis and the shaping axle and shelves space, the work for what reinforcing bar was shelved Make to be located on the outside of scratch diskette on platform and be provided with the pressing device that the pars convoluta to be curved of backstop reinforcing bar is rotated with scratch diskette, and setting It is being located at automatic charging device of the workbench far from operator side.
By using above-mentioned technical proposal, pressing device and central axis are used to reinforcing bar to be bent being fixed on the two Between, shaping axle contradicts the side in reinforcing bar when scratch diskette rotates and pushes reinforcing bar, so that reinforcing bar is bent.On workbench It is additionally provided with automatic charging device, when carrying out large batch of bar bending operation, after every bending work for completing a reinforcing bar Another reinforcing bar to be bent can be placed by automatic charging device and be shelved in space, eliminate artificial placement reinforcing bar Work, reduce the labor intensity of worker.
The present invention is further arranged to: the automatic charging device includes the first stock chest and the second stock chest, the first storage The mistake material mouth being connected with the second stock chest is offered on the cell wall of hopper, stacking is placed with several to be bent in the first stock chest Reinforcing bar, the first stock chest on the outside of second stock chest one end far from being provided with for reinforcing bar to be pushed in turn in the second stock chest The first push-rod electric machine, second stock chest offers discharge port close to one end of scratch diskette, and the second stock chest is far from work It is provided on the outside of disk one end for second push-rod electric machine in space will to be shelved described in the reinforcing bar push-in in the second stock chest.
By using above-mentioned technical proposal, before carrying out buckling work, by several reinforcing bars to be bent along the length of workbench Degree direction, which stacks, to be placed in the first stock chest, then pushes away the reinforcing bar in the first stock chest under the action of the first push-rod electric machine Enter into the second stock chest, finally using the second push-rod electric machine by the reinforcing bar dropped into the second stock chest send to shelve space into Row bending is no longer rely on during entire buckling work and manually places reinforcing bar in space to shelving, reduces the labour of worker Intensity.
The present invention is further arranged to: connecting rod is equipped on the push rod of first push-rod electric machine, the connecting rod is in Horizontal attitude, the push rod are vertically fixed in the middle part of the connecting rod, and the both ends of connecting rod are provided with feeding arm, the feeding The U-shaped opening end of the U-shaped shape of arm, feeding arm is arranged towards the second stock chest.
By using above-mentioned technical proposal, by installing feeding arm, the U-shaped shape of feeding arm, energy at the both ends of connecting rod Enough to be adapted with reinforcing bar, the first push-rod electric machine can smoothly be pushed away the reinforcing bar for being located at the first stock chest bottom by two feeding arms It is sent in the second stock chest.
The present invention is further arranged to: the pressing device include for reinforcing bar against clamping arm, the clamping arm is separate One end of reinforcing bar pars convoluta to be curved is provided with shaft, plugboard is provided on the workbench, plugboard is along the length side of workbench To setting, on plugboard between offer it is multiple for the shaft insertion spliced eyes.
By using above-mentioned technical proposal, by the way that the shaft of clamping arm to be inserted into adjustable in different spliced eyes put Size between emptying carries out more stable pressure holding to reinforcing bar and fixes to facilitate.
The present invention is further arranged to: the clamping arm is provided with adjustment silk on the outside of reinforcing bar pars convoluta one end to be curved Thick stick, the adjusting screw are arranged along the length direction of workbench, and adjusting screw is connected with far from one end of scratch diskette for driving Adjusting screw drives pressure holding arm that reinforcing bar is pressed on to the handwheel shelved in space.
By using above-mentioned technical proposal, after reinforcing bar is in place, adjusting screw is driven to advance by rotation handwheel, adjustment Lead screw drives clamping arm rotation so as to compress the pars convoluta to be curved of reinforcing bar, facilitates scratch diskette that shaping axle is driven to carry out reinforcing bar Buckling work.
The present invention is further arranged to: the slot bottom of first stock chest and the notch of second stock chest are flush, The slot bottom of the bottom end for crossing material mouth and first stock chest is flush, the height and the diameter phase of reinforcing bar for crossing material mouth Together, the groove width of second stock chest is identical as the diameter of reinforcing bar to be bent, and first push-rod electric machine is by discharge port by the The reinforcing bar of one stock chest bottom is pushed in turn in second stock chest.
By using above-mentioned technical proposal, the first push-rod electric machine will be arranged in the first stock chest bottom by push rod first Reinforcing bar is pushed into the second stock chest, and since the groove width of the second stock chest is identical as the diameter of reinforcing bar to be bent, reinforcing bar enters the It is longitudinally stacked upon after two stock chests, is then from bottom to up successively shelved reinforcing bar push-in in space by the second push-rod electric machine Carry out bending work.Push rod on first push-rod electric machine is during being recovered to the first push-rod electric machine inside, the reinforcing bar of top The bottom of the first stock chest can be fallen on down one by one, so on circulate, until being by the reinforcing bar whole bending in the first stock chest Only.
The present invention is further arranged to: space, the slot bottom of second stock chest, work are shelved described in the discharge port face The upper surface of the upper surface and plugboard of making disk is in same level height.
By using above-mentioned technical proposal, be conducive to the second push-rod electric machine the reinforcing bar in the second stock chest is smoothly horizontal It is pushed into and shelves in space.
The present invention is further arranged to: the slot bottom of second stock chest is equipped with rubber layer.
It, can be with the second storage when reinforcing bar under the first stock chest by falling in the second stock chest by using above-mentioned technical proposal Sharp impacts occur for the slot bottom of hopper, and the rubber layer being laid in the second stock chest slot bottom has buffer function, can be one Determine the severe degree of the smaller reinforcing bar of degree and the collision of the second stock chest slot bottom.
In conclusion advantageous effects of the invention are as follows:
1, by the way that reinforcing bar to be bent to be stored in the first stock chest, when carrying out buckling work, pass through the first push-rod electric machine Reinforcing bar in first stock chest is pushed in the second stock chest, places reinforcing bar vertical stack in the second stock chest, then The reinforcing bar in the second stock chest is pushed to shelve in space one by one from bottom to up by the second push-rod electric machine and is bent, is not required to It to be shelved in space by manually reinforcing bar is placed on, when carrying out large batch of bar bending operation, significantly reduce worker Labor intensity;
2, it is connected with connecting rod on the push rod of the first push-rod electric machine, the both ends of connecting rod are fixed with feeding arm, and feeding arm is in and steel The compatible U-shaped shape of muscle, facilitates the first push-rod electric machine that the reinforcing bar in the first stock chest is smoothly pushed into the second stock chest.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is planar structure schematic diagram of the invention.
Fig. 3 is the dependency structure schematic diagram of the first push-rod electric machine in the present invention.
Fig. 4 is cross section view of the invention.
In figure, 1, workbench;11, scratch diskette;12, central axis;13, shaping axle;14, space is shelved;2, pressing device; 21, clamping arm;22, shaft;23, plugboard;24, spliced eye;25, adjusting screw;26, handwheel;3, automatic charging device;31, First stock chest;311, material mouth is crossed;32, the second stock chest;321, discharge port;33, the first push-rod electric machine;331, connecting rod; 332, feeding arm, the 34, second push-rod electric machine;4, reinforcing bar.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Figures 1 and 2, it is a kind of angle-bender disclosed by the invention, including workbench 1, is provided on workbench 1 By the scratch diskette 11 of the main motor driving rotation inside workbench 1, centre bore and molding hole, centre bore are offered on scratch diskette 11 It is inside equipped with central axis 12, shaping axle 13 is equipped in molding hole, is formed between central axis 12 and shaping axle 13 and is put for reinforcing bar 4 That sets shelves space 14, and the side of scratch diskette 11 is provided with to be rotated for the pars convoluta to be curved of backstop reinforcing bar 4 with scratch diskette 11 together Pressing device 2, when buckling work, the pars convoluta to be curved of reinforcing bar 4, which is placed on, to be shelved in space 14, and workbench 1 is far from operator's Side is provided with automatic charging device 3, after every bending work for completing a reinforcing bar 4, can be incited somebody to action by automatic charging device 3 Another reinforcing bar 4 to be bent is placed into automatically to be shelved in space 14, to mitigate labor of the worker when processing high-volume reinforcing bar 4 Fatigue resistance.
Referring to Fig. 2, specifically, automatic charging device 3 includes the first stock chest 31 and the second stock chest 32, the first stock chest 31 are located at the side of the second stock chest 32, and the mistake being connected with the second stock chest 32 is offered on the cell wall of the first stock chest 31 The first push-rod electric machine 33 is arranged far from the outside of 32 one end of the second stock chest in material mouth 311, the first stock chest 31, in processing high-volume Reinforcing bar 4 when, reinforcing bar 4 to be bent is evenly spaced in the first stock chest 31 along the length direction of workbench 1 in advance, is passed through Reinforcing bar 4 in first stock chest 31 can be pushed into the second stock chest 32 by the first push-rod electric machine 33.Second stock chest 32 leans on The bottom end of nearly 11 side of scratch diskette offers discharge port 321, outside setting of second stock chest 32 far from 11 one end of scratch diskette the Reinforcing bar 4 in second stock chest 32 can be pushed into scratch diskette 11 by discharge port 321 by the second push rod by two push-rod electric machines 34 It shelves in space 14 top.
Referring to Fig. 3, connecting rod 331, width of the connecting rod 331 along workbench 1 are installed on the push rod of the first push-rod electric machine 33 Direction setting is spent, the push rod of the first push-rod electric machine 33 is vertically fixed in connecting rod 331 after the cell wall of the first stock chest 31 Middle part, the both ends of connecting rod 331 are provided with feeding arm 332, the U-shaped shape of feeding arm 332, the U-shaped opening end direction of feeding arm 332 The setting of second stock chest 32.By being equipped with feeding arm 332 at the both ends of connecting rod 331, during pushing reinforcing bar 4, send Material arm 332 can be fastened on reinforcing bar 4 adjacent thereto from side, so as to easily by the steel of 31 bottom of the first stock chest Muscle 4 is all smoothly pushed into the second stock chest 32.
Referring to Fig. 2, pressing device 2 include for reinforcing bar 4 against clamping arm 21, clamping arm 21 is to be bent far from reinforcing bar 4 The one end in portion is provided with shaft 22, so that clamping arm 21 can be with around the shaft 22 in horizontal plane close to one end of the pars convoluta to be curved of reinforcing bar 4 Inside carry out back rotation.Plugboard 23 is provided on workbench 1, plugboard 23 can be arranged along the length direction of workbench 1, plugboard It is spaced apart on 23 and is equipped with multiple spliced eyes 24 being inserted vertically into for shaft 22, by the way that the shaft 22 of clamping arm 21 is inserted into difference Spliced eye 24 in the adjustable size for shelving space 14, it is solid that more stable pressure holding is carried out to reinforcing bar 4 so as to easily It is fixed.
Referring to Fig. 2, clamping arm 21 is provided with adjusting screw 25, adjusting screw on the outside of the pars convoluta one end to be curved of reinforcing bar 4 25 along workbench 1 length direction it is horizontally disposed, adjusting screw 25 is connected with far from one end of scratch diskette 11 for driving adjustment Lead screw 25 drives pressure holding arm that reinforcing bar 4 is pressed on to the handwheel 26 shelved in space 14.Second push-rod electric machine 34 is by steel to be bent Muscle 4 is pushed into shelve space 14 after, by rotation handwheel 26 drive adjusting screw 25 advance, adjusting screw 25 can be made with dynamic pressure Tight arm 21 rotates, and carries out pressure holding fixation so as to the pars convoluta to be curved to reinforcing bar 4, and scratch diskette 11 is facilitated to drive shaping axle 13 to steel Muscle 4 carries out buckling work.
Referring to Fig. 4, further, 31 slot bottom of the first stock chest and 32 notch of the second stock chest are in same level height On degree, the slot bottom of the bottom end and the first stock chest 31 of crossing material mouth 311 is flush, and the height for crossing material mouth 311 is straight slightly larger than reinforcing bar 4 Diameter, in this way, the reinforcing bar 4 for being arranged in 31 bottom of the first stock chest is pushed into the second storage first by push rod by the first push-rod electric machine 33 In hopper 32, the groove width of the second stock chest 32 is identical as the diameter of reinforcing bar 4 to be bent, after reinforcing bar 4 falls to the second stock chest 32 Longitudinal direction is stacked upon, and is then from bottom to up successively shelved in space 14 push-in of reinforcing bar 4 by the second push-rod electric machine 34 and is carried out Bending work.Also, the push rod on the first push-rod electric machine 33 is during being recovered to the first 33 inside of push-rod electric machine, top Reinforcing bar 4 can fall on down the bottom of the first stock chest 31 one by one, so on circulate, until by the reinforcing bar 4 in the first stock chest 31 Until whole bendings.
Referring to Fig.1, further, 321 face of discharge port shelves the setting of space 14, the push rod pair of the second push-rod electric machine 34 The reinforcing bar 4 in second stock chest 32 can be directly pushed into and be shelved in space 14 after quasi- discharge port 321.Second stock chest 32 The upper surface of slot bottom, the upper surface of scratch diskette 11 and plugboard 23 is in same level height, avoids in the second push rod electricity During machine 34 pushes reinforcing bar 4, due to being uneven for path, causes reinforcing bar 4 to be detained, Caton, cannot smoothly enter and put In 14 between emptying.
When in view of reinforcing bar 4 by falling in the second stock chest 32 under the first stock chest 31, reinforcing bar 4 can be in dropping process The slot bottom generation of second stock chest 32 is acutely collided with, and is equipped with one layer of rubber layer, rubber in the slot bottom of the second stock chest 32 here Layer has good shock absorbing effect, can reduce the play of reinforcing bar 4 and the collision of 32 slot bottom of the second stock chest to a certain extent Strong degree.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it It is interior.

Claims (8)

1. a kind of angle-bender, it is characterised in that: including workbench (1), be provided on the workbench (1) by workbench (1) internal main motor drives the scratch diskette (11) of rotation, is provided with central axis (12) and shaping axle on the scratch diskette (11) (13), it is formed between the central axis (12) and the shaping axle (13) and shelves space (14), the work for what reinforcing bar (4) was shelved Make to be located on platform (1) on the outside of scratch diskette (11) and is provided with the pressure that the pars convoluta to be curved of backstop reinforcing bar (4) is rotated with scratch diskette (11) Tight device (2), and it is arranged in the automatic charging device (3) of the workbench (1) far from operator side.
2. angle-bender according to claim 1, it is characterised in that: the automatic charging device (3) includes the first storage Hopper (31) and the second stock chest (32) offer on the cell wall of the first stock chest (31) and to be connected with the second stock chest (32) It crosses material mouth (311), is stacked in the first stock chest (31) and be placed with several reinforcing bars to be bent (4), the first stock chest (31) is separate The first push rod for reinforcing bar (4) being pushed in turn in the second stock chest (32) is provided on the outside of second stock chest (32) one end Motor (33), second stock chest (32) offer discharge port (321), the second stock chest close to the one end of scratch diskette (11) (32) it is provided on the outside of separate scratch diskette (11) one end for will be shelved described in reinforcing bar (4) push-in in the second stock chest (32) Second push-rod electric machine (34) in space (14).
3. angle-bender according to claim 2, it is characterised in that: pacify on the push rod of first push-rod electric machine (33) Equipped with connecting rod (331), the connecting rod (331) is in horizontal attitude, and the push rod is vertically fixed in the connecting rod (331) Middle part, the both ends of connecting rod (331) are provided with feeding arm (332), the U-shaped shape of the feeding arm (332), the U of feeding arm (332) Type open end is arranged towards the second stock chest (32).
4. angle-bender according to claim 2, it is characterised in that: the pressing device (2) includes supporting for reinforcing bar (4) The clamping arm (21) leaned on, the clamping arm (21) are provided with shaft (22), the work far from one end of reinforcing bar (4) pars convoluta to be curved Be provided on platform (1) plugboard (23), plugboard (23) is arranged along the length direction of workbench (1), on plugboard (23) between open Equipped with multiple spliced eyes (24) for the shaft (22) insertion.
5. angle-bender according to claim 4, it is characterised in that: the clamping arm (21) is to be curved close to reinforcing bar (4) It is provided on the outside of pars convoluta one end adjusting screw (25), the adjusting screw (25) is arranged along the length direction of workbench (1), adjusts Whole lead screw (25) is connected with far from the one end of scratch diskette (11) for driving adjusting screw (25) that pressure holding arm is driven to press reinforcing bar (4) Tightly shelving the handwheel (26) in space (14).
6. angle-bender according to claim 2, it is characterised in that: the slot bottom of first stock chest (31) with it is described The notch of second stock chest (32) is flush, the bottom end for crossing material mouth (311) and the slot bottom phase of first stock chest (31) Flush, it is described cross material mouth (311) height it is identical as the diameter of reinforcing bar (4), the groove width of second stock chest (32) with it is to be curved The diameter of bent reinforcing bar (4) is identical, and first push-rod electric machine (33) passes through discharge port (321) for the first stock chest (31) bottom Reinforcing bar (4) is pushed in turn in second stock chest (32).
7. angle-bender according to claim 2, it is characterised in that: shelve sky described in discharge port (321) face Between (14), the upper surface Jun Chu of the slot bottom of second stock chest (32), the upper surface of scratch diskette (11) and plugboard (23) In same level height.
8. angle-bender according to claim 4, it is characterised in that: the slot bottom of second stock chest (32) is equipped with Rubber layer.
CN201910782364.2A 2019-08-23 2019-08-23 Steel bar bender Active CN110434249B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910782364.2A CN110434249B (en) 2019-08-23 2019-08-23 Steel bar bender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910782364.2A CN110434249B (en) 2019-08-23 2019-08-23 Steel bar bender

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Publication Number Publication Date
CN110434249A true CN110434249A (en) 2019-11-12
CN110434249B CN110434249B (en) 2021-06-01

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894422A (en) * 1972-03-29 1975-07-15 Peddinghaus Carl Ullrich Dr Bending machine, more particularly for steel rods for reinforcing concrete
CN201855889U (en) * 2010-11-19 2011-06-08 吉林省健业光电技术有限责任公司 Automatic loading device for punching processing of conical bearing retainer
CN203643277U (en) * 2013-12-08 2014-06-11 武钢集团昆明钢铁股份有限公司 Steel bar plane reverse-bending test device
CN204912584U (en) * 2015-07-30 2015-12-30 长葛市神光建筑机械厂 Area presss from both sides tight loading attachment's curved hoop machine
CN105710236A (en) * 2014-07-06 2016-06-29 赵牧青 Automatic charging device used for electric copper tube expanding machine
CN205967197U (en) * 2016-08-01 2017-02-22 中国建筑第八工程局有限公司 Steel bar bender
CN208214156U (en) * 2018-05-31 2018-12-11 苏州市吴江东南建筑检测有限公司 A kind of angle-bender
CN208483146U (en) * 2018-05-10 2019-02-12 李龙州 A kind of bending device for rebars that working performance is good

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894422A (en) * 1972-03-29 1975-07-15 Peddinghaus Carl Ullrich Dr Bending machine, more particularly for steel rods for reinforcing concrete
CN201855889U (en) * 2010-11-19 2011-06-08 吉林省健业光电技术有限责任公司 Automatic loading device for punching processing of conical bearing retainer
CN203643277U (en) * 2013-12-08 2014-06-11 武钢集团昆明钢铁股份有限公司 Steel bar plane reverse-bending test device
CN105710236A (en) * 2014-07-06 2016-06-29 赵牧青 Automatic charging device used for electric copper tube expanding machine
CN204912584U (en) * 2015-07-30 2015-12-30 长葛市神光建筑机械厂 Area presss from both sides tight loading attachment's curved hoop machine
CN205967197U (en) * 2016-08-01 2017-02-22 中国建筑第八工程局有限公司 Steel bar bender
CN208483146U (en) * 2018-05-10 2019-02-12 李龙州 A kind of bending device for rebars that working performance is good
CN208214156U (en) * 2018-05-31 2018-12-11 苏州市吴江东南建筑检测有限公司 A kind of angle-bender

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