CN104338871A - Bending tool - Google Patents

Bending tool Download PDF

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Publication number
CN104338871A
CN104338871A CN201310320653.3A CN201310320653A CN104338871A CN 104338871 A CN104338871 A CN 104338871A CN 201310320653 A CN201310320653 A CN 201310320653A CN 104338871 A CN104338871 A CN 104338871A
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CN
China
Prior art keywords
curved
depression bar
groove
angle
pressing rod
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
CN201310320653.3A
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Chinese (zh)
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CN104338871B (en
Inventor
张亚峰
赵振东
王建阳
侯先智
李新峰
李鹏
吴成浩
王俊
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.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Beijing Electric Power Transmission and Transformation Co
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Beijing Electric Power Transmission and Transformation Co
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.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI, Beijing Electric Power Transmission and Transformation Co filed Critical State Grid Corp of China SGCC
Priority to CN201310320653.3A priority Critical patent/CN104338871B/en
Publication of CN104338871A publication Critical patent/CN104338871A/en
Application granted granted Critical
Publication of CN104338871B publication Critical patent/CN104338871B/en
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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
    • B21F1/004Bending wire other than coiling; Straightening wire by means of press-type tooling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

Disclosed is a bending tool. The bending tool comprises a fixing frame, a pressing rod, an angle die and a pressure mechanism, wherein the fixing frame is provided with a sliding way and a pressing rod hole, and the pressing rod hole is perpendicular to the position of the sliding way; the pressing rod can be inserted into the pressing rod hole; the angle die is a cavity die of a die, the bottom end of a cavity of the cavity die is a right angle bending groove, and the opposite position of the corner of the right angle bending groove is provided with a cavity opening; the outer wall of the angle die is provided with a sliding block which can right be inserted into the sliding way to slide; the central position of the cavity opening is further provided with a pressing rod groove, and the position of the pressing rod groove just enables the pressing rod to slide into the pressing rod groove when the angle die slides along the sliding way; the pressing mechanism is a jack with a handle and is connected below the fixing frame, and the ejector rod of the jack right abuts against the bottom of the angle die. Due to the a power unit is used for auxiliary bending, labor intensity is effectively reduced; by means of the angle die and the pressing rod, high process level of bending can be achieved, the efficiency is high and a construction progress is quickened. The bending tool is simple in overall structure, lightweight and convenient to carry.

Description

Make curved instrument
Technical field
The present invention relates to the curved instrument of a kind of system.
Background technology
Usually need the wires such as reinforcing bar to bend to certain shape in life, make reinforcing bar be close to surface by way of object, avoid to greatest extent impacting peripheral material object.The ground rebar particularly used in some transmission lines of electricity, or the lightning rod that building is installed, all need, from eminence, reinforcing bar is caused ground, and it is curved that this just needs to carry out many places system to reinforcing bar.This just needs the curved instrument of system of specialty to improve the curved efficiency of system and to reduce the curved intensity of system.
Prior art does not also have the curved instrument of very professional system, is mostly to use the instruments such as pliers, or has come with the curved forceps processed that some are welded by simple metal part.And this type of to make curved instrument be come by manpower completely, its arm of force can not be accomplished enough large, and this just makes it very require great effort in the process of operation, have impact on the operating efficiency making curved work greatly.And its to make curved effect also very poor, bending angle processed is difficult to ensure, bending reinforcing bar often can not well be fitted the surface of object, has not both reached the technological requirement that system is curved, and has looked also very unsightly.And because this type of instrument has been come by manpower completely, and manpower often cannot accomplish that enough blessing power is to step up reinforcing bar, this just causes curved forceps processed to slide on reinforcing bar, and reinforcing bar produces cut, destroy the zinc coat of rebar surface, reduce its antiseptic property.
For the problems referred to above, the present invention is intended to development a kind of special system curved instrument, can reach preferably bending process effect processed, can reduce labour intensity greatly again, improves the curved efficiency of system, and does not damage the outer field zinc coat of reinforcing bar making in curved process.
Summary of the invention
The embodiment of the present invention makes curved instrument, the curved weak effect of the prior art system that solves by providing a kind of, and manipulation strength is large, make curved efficiency low, make the curved effect shortcoming such as unsightly, achieve a kind of operation more laborsaving, make curved better effects if, the curved instrument of the system that operating efficiency is higher.
Embodiments provide the curved instrument of a kind of system, it comprises: fixed mount, which is provided with slideway and strut kong, and described strut kong is mutually vertical with the position of described slideway; Depression bar, can plug in described strut kong; Angle mould is the master mold of a mould, and the bottom of this master mold die cavity is a right angle curved groove, and the corner of this right angle curved groove is provided with die cavity opening to direction; The outer wall of angle mould is convexly equipped with slide block, and this slide block just can plug in described slideway and slide; The center of described die cavity opening is also provided with depression bar groove, and in the process that described angle mould slides along described slideway, the position of this depression bar groove just can make described depression bar slip into wherein; And pressure mechanism, be the jack of a band handle, be connected to below described fixed mount, the push rod of this jack is against the bottom of described angle mould just.
The curved instrument of above-mentioned system, wherein said fixed mount is made up of base and a pair clamping plate be fixed on base; Described base center is provided with jogger hole, and described push rod is passed by this jogger hole just; Described slideway is symmetricly set in the inwall of described clamping plate; Described strut kong is located at the position of described clamping plate near top;
The curved instrument of above-mentioned system, wherein said knuckle curved groove is right angle curved groove.
The curved instrument of above-mentioned system, wherein said die cavity opening is set to groove, and the sidewall of angle mould is run through in the two ends of groove.
The curved instrument of above-mentioned system, one end of wherein said depression bar is provided with pulling plug.
The curved instrument of above-mentioned system, wherein said pulling plug is movably connected on described depression bar.
The curved instrument of above-mentioned system, wherein said depression bar is provided with a limited screw, and described depression bar is provided with screw, and this limited screw part is plugged in described screw.
The curved instrument of above-mentioned system, wherein said jack is hydraulic jack.
The curved instrument of above-mentioned system, is provided with oil return valve in wherein said hydraulic jack, and this oil return valve is connected with can the locking knob of manual rotation, for controlling the opening and closing of oil return valve.
The curved instrument of above-mentioned system, wherein said depression bar and described die cavity inwall are all through round and smooth process.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
The curved instrument of system that the present invention proposes, adopts the auxiliary system of power set curved, effectively reduces labour intensity and personnel drop into, and utilizes its angle mould and depression bar, makes that system is curved has higher technological level, and the efficiency of roll forming processed is higher, accelerates construction speed.Its overall structure is simple, lightweight, easy to carry.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the curved instrument of system that one embodiment of the invention proposes;
Fig. 2 is the schematic diagram of fixed mount;
Fig. 3 is the installation diagram of depression bar and fixed mount;
Fig. 4 is the schematic diagram of angle mould
Fig. 5 is the explosive view of power set and fixed mount assembly.
Detailed description of the invention
The embodiment of the present invention, by providing a kind of system curved instrument, solves in prior art and makes curved instrument bending angle inaccuracy, and use procedure is wasted time and energy and easily damaged the shortcomings such as reinforcing bar, adopts the angle mould of right angle die cavity, makes right angle system curved more accurately efficient; Adopt hydraulic jack as actuating unit, increase the curved arm of force of system, greatly reduce the curved intensity of system, make the bending angle processed being greater than 90 degree more accurate.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
As shown in Figure 1, be the schematic diagram of the curved instrument of system that one embodiment of the invention proposes, it comprises: fixed mount 1, depression bar 2, angle mould 3 and pressure mechanism 4.
Described fixed mount 1 is provided with slideway and strut kong, and described strut kong is mutually vertical with the position of described slideway; Described depression bar 2 can plug in described strut kong 1; Described angle mould 3 is the die cavity of a mould, and the cross section of this die cavity 31 is an isosceles right triangle, and the hypotenuse position of this isosceles right triangle is provided with die cavity opening; The outer wall of angle mould is convexly equipped with slide block, and this slide block just can plug in slideway and slide; The center of described die cavity opening is also provided with depression bar groove, and in the process that angle mould 3 slides along slideway, the position of this depression bar groove just can make depression bar 2 slip into wherein; Described pressure mechanism 4 is the jack of a band handle, is connected to below fixed mount 1, and the push rod of this jack is against the bottom of angle mould 3 just.
As shown in Figure 2, be the schematic diagram of fixed mount, fixed mount is made up of base 11 and fixing a pair clamping plate 12 on the pedestal 11, and clamping plate 12 symmetry is fixing on the pedestal 11.The center of base 11 is provided with jogger hole 13, and this jogger hole 13 runs through the bottom of base 11.The inwall of clamping plate 12 is provided with slideway 14, and slideway 14 is symmetricly set on the inwall of two clamping plates, and the bottom of putting clamping plate 12 is offered in the bottom of slideway 14, and the top of clamping plate 12 is run through in the top of slideway 14.At clamping plate 12, the position on top is provided with strut kong 15, strut kong 15 laterally runs through two clamping plates, and its position is just through slideway 14.
As shown in Figure 3, it is the installation diagram of depression bar and fixed mount, depression bar 2 is a hard metallic rod, its shape can be inserted in above-mentioned strut kong just, the end face of depression bar is provided with spacing screw 21, separately have a limited screw 22 can screw in wherein, a part can only be inserted in spacing screw 21 by limited screw 22, and a residue part is trapped in outside hole.Then when depression bar 2 is inserted in strut kong and be between two clamping plate until the position of spacing screw 21, be screwed into by limited screw 22 in spacing screw 21, then depression bar and limited screw are stuck on fixed mount.Preferably, spacing screw 21 is positioned at the marginal position of depression bar, and when depression bar 2 is pulled back, its end can avoid the centre position of two clamping plate as far as possible, putting into of more convenient reinforcing bar.The bottom of depression bar is a cambered surface 23, makes the surface of its not easy damaged reinforcing bar when contacting with reinforcing bar.
Preferably, the distal end faces of depression bar is provided with draw ring hole 24, separately has a draw ring 25 to be plugged in wherein, bolt connects therebetween, makes finger to be penetrated this draw ring 25, the plug of more convenient depression bar.
As shown in Figure 4, be the schematic diagram of angle mould, angle mould 3 is the master mold of a mould, and the bottom of this master mold is a knuckle curved groove 31, and preferably, the bottom surface of this knuckle curved groove is set to cambered surface, is not easily worn when contacting with this knuckle curved groove after making reinforcing bar system curved.The corner of knuckle curved groove 31 is provided with die cavity opening 32 to direction, and preferably, this die cavity opening 32 is a groove set out on angle mould opening surface, is convenient to reinforcing bar and fixes.The both sides outer wall of angle mould is convexly equipped with slide block 33, and the position of slide block 33 is vertical with above-mentioned die cavity opening 32, and the size of two side slides 33 just can plug in above-mentioned slideway, and angle mould is slided in slideway.The center of die cavity opening 32 is also provided with depression bar groove 34, and when angle mould slides along slideway, the position of this depression bar groove 34 just can make above-mentioned depression bar slip into wherein, fits in the surface of depression bar groove 34 and the bottom surface of depression bar.
Preferably, above-mentioned knuckle curved groove 31 is right angle curved groove, or arranges separately a right angle curved groove, because in use, overwhelming majority bending angle processed is all right angle, so use right angle curved groove to carry out more efficiently making curved operation.The curved operation of overwhelming majority system is all the angle that right angle or minority are greater than 90 degree, uses the operating efficiency of the general right angle operation of raising that right angle curved groove can be very large, right angle curved groove also can be used to adjust when running into the curved demand of the system being greater than 90 degree.Again angle mould is changed into the angle mould that knuckle curved groove is less than 90 degree when running into bending angle processed and being less than 90 degree.
As shown in Figure 5, it is the explosive view of power set and fixed mount assembly, power set are the hydraulic jack device of a band rocking handle, be welded on the below of above-mentioned fixed mount, these power set comprise oil cylinder 41, push rod 44, handle 42 and rocking handle 43, the push rod 44 of hydraulic jack, through the jogger hole of above-mentioned fixed mount, is against the bottom of above-mentioned angle mould.The jacking of hydraulic jack is realized by the piston apparatus on it, and moved by the reciprocating-piston of piston axle 45 and exert pressure to oil cylinder, promote the jacking of push rod 44, one end that piston axle 45 exposes is provided with rocking handle first connecting hole 451.The outer wall of oil cylinder is also provided with movable pivot axis 46, is arranged side by side with above-mentioned piston axle 45, this movable pivot axis 46 is articulated in described oil cylinder 41, and swingable certain angle, movable pivot axis 46 is also provided with rocking handle second connecting hole 461.The end of described rocking handle 43 is provided with a pair connecting axle side by side, and respectively with above-mentioned rocking handle first connecting hole 451 and the pivot joint of rocking handle second connecting hole 461, thus rocking handle 43 drives the affected piston movement of piston axle 4 while swinging.Hydraulic jack is also provided with oil return valve, and for closing and open the oil circuit loop of hydraulic jack, the switch of this oil return valve is connected with as locking knob 47, is placed on the outer wall of oil cylinder.Operating process is: will return locking knob 47 and be threaded to closed state, and one can hold handle 42, rocking handle 43 back and forth shakes by another hand, then the outside jacking of the push rod of hydraulic jack; After jack-in process, locking knob 47 is threaded to opening, then the oil pressure in hydraulic jack is exerted pressure, and mode manually push rod can be pressed back jack.
Operating process: the locking knob in the hydraulic jack of power set is threaded to unlatching, angle mould is slipped into the slideway on fixed mount, make the ejector pin contact of its bottom and hydraulic jack, and push rod is depressed into the bottom of slideway.Depression bar is penetrated the strut kong on fixed mount, then screwed in by limited screw in the spacing screw on depression bar, then depression bar is locked between two strut kongs.Utilize the draw ring of depression bar end to be pulled outwardly to maximum position by depression bar, namely limited screw blocks the inwall of fixed mount train wheel bridge.Reinforcing bar is put on the die cavity opening of angle mould, the position to be curved of reinforcing bar is relative with the angle point of right angle curved groove, rotary locking knob is to closing, press rocking handle to move reciprocatingly, the push rod of hydraulic jack is by slow for angle mould jack-up, until the point to be curved of reinforcing bar contacts with the cambered surface of depression bar bottom, continue to press rocking handle, if desired the bending angle processed of 90 degree, be then depressed into till can not pressing by rocking handle, the bending angle processed of reinforcing bar is just right angle; If desired be greater than the angle of 90 degree, the flexibility of reinforcing bar can be observed at any time, or measure its flexibility at any time, till the angle reaching needs; If desired be less than the bending angle processed of 90 degree, then should choose the angle mould that knuckle curved groove is less than 90 degree in above step.
Be hydraulic jack owing to making curved power set, its arm of force is rocking handle, and making curved thing is push rod, according to the function of jack, relatively direct curved to reinforcing bar system, the arm of force of its effect is drawn very long relatively, active force is just relatively much smaller, and make curved angle also can control more accurate.

Claims (10)

1. make a curved instrument, it is characterized in that, it comprises:
Fixed mount, which is provided with slideway and strut kong, and described strut kong is mutually vertical with the position of described slideway;
Depression bar, can plug in described strut kong;
Angle mould is the master mold of a mould, and the bottom of this master mold die cavity is a knuckle curved groove, and the corner of this knuckle curved groove is provided with die cavity opening to direction; The outer wall of angle mould is convexly equipped with slide block, and this slide block just can plug in described slideway and slide; The center of described die cavity opening is also provided with depression bar groove, and in the process that described angle mould slides along described slideway, the position of this depression bar groove just can make described depression bar slip into wherein; And
Pressure mechanism is the jack of a band handle, is connected to below described fixed mount, and the push rod of this jack is against the bottom of described angle mould just.
2. the curved instrument of system according to claim 1, is characterized in that, described fixed mount is made up of base and a pair clamping plate be fixed on base; Described base center is provided with jogger hole, and described push rod is passed by this jogger hole just; Described slideway is symmetricly set in the inwall of described clamping plate; Described strut kong is located at the position of described clamping plate near top.
3. the curved instrument of system according to claim 1, is characterized in that, described knuckle curved groove is right angle curved groove.
4. the curved instrument of system according to claim 1, is characterized in that, described die cavity opening is set to groove, and the sidewall of angle mould is run through in the two ends of groove.
5. the curved instrument of system according to claim 1, is characterized in that, one end of described depression bar is provided with pulling plug.
6. the curved instrument of system according to claim 5, is characterized in that, described pulling plug is movably connected on described depression bar.
7. the curved instrument of system according to claim 1, is characterized in that, described depression bar is provided with a limited screw, and described depression bar is provided with screw, and this limited screw part is plugged in described screw.
8. the curved instrument of system according to claim 1, is characterized in that, described jack is hydraulic jack.
9. the curved instrument of system according to claim 8, is characterized in that, is provided with oil return valve in described hydraulic jack, and this oil return valve is connected with can the locking knob of manual rotation, for controlling the opening and closing of oil return valve.
10. the curved instrument of system according to claim 1, is characterized in that, described depression bar and described die cavity inwall are all through round and smooth process.
CN201310320653.3A 2013-07-26 2013-07-26 Make curved instrument Active CN104338871B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310320653.3A CN104338871B (en) 2013-07-26 2013-07-26 Make curved instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310320653.3A CN104338871B (en) 2013-07-26 2013-07-26 Make curved instrument

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CN104338871A true CN104338871A (en) 2015-02-11
CN104338871B CN104338871B (en) 2016-05-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106111843A (en) * 2016-05-31 2016-11-16 国网甘肃省电力公司经济技术研究院 A kind of portable hydraulic reinforcement rebar craft makes construction bending device
CN106513535A (en) * 2016-11-30 2017-03-22 中铁十六局集团第三工程有限公司 Steel bar prebending hydraulic clamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1097361A (en) * 1993-07-12 1995-01-18 张常功 Angle steel bending forming machine
CN1221657A (en) * 1997-12-31 1999-07-07 朱学良 Bending machine able to vary curvature curve
CN2732377Y (en) * 2004-10-11 2005-10-12 赵通生 Pipe bender
US20090266136A1 (en) * 2008-04-28 2009-10-29 Hong Fu Jin Precision Industry (Shenzhen) Co. Ltd. Pin bending device
CN202028661U (en) * 2011-04-04 2011-11-09 红塔烟草(集团)有限责任公司 Angle control device of pipe bender
CN203281767U (en) * 2013-07-26 2013-11-13 国家电网公司 Bending tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1097361A (en) * 1993-07-12 1995-01-18 张常功 Angle steel bending forming machine
CN1221657A (en) * 1997-12-31 1999-07-07 朱学良 Bending machine able to vary curvature curve
CN2732377Y (en) * 2004-10-11 2005-10-12 赵通生 Pipe bender
US20090266136A1 (en) * 2008-04-28 2009-10-29 Hong Fu Jin Precision Industry (Shenzhen) Co. Ltd. Pin bending device
CN202028661U (en) * 2011-04-04 2011-11-09 红塔烟草(集团)有限责任公司 Angle control device of pipe bender
CN203281767U (en) * 2013-07-26 2013-11-13 国家电网公司 Bending tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106111843A (en) * 2016-05-31 2016-11-16 国网甘肃省电力公司经济技术研究院 A kind of portable hydraulic reinforcement rebar craft makes construction bending device
CN106513535A (en) * 2016-11-30 2017-03-22 中铁十六局集团第三工程有限公司 Steel bar prebending hydraulic clamp
CN106513535B (en) * 2016-11-30 2018-12-11 中铁十六局集团第三工程有限公司 A kind of reinforcing bar pre-bending hydraulic tongs

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