CN2200498Y - Hydraulic bending device for reinforcing bar - Google Patents

Hydraulic bending device for reinforcing bar Download PDF

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Publication number
CN2200498Y
CN2200498Y CN 94242401 CN94242401U CN2200498Y CN 2200498 Y CN2200498 Y CN 2200498Y CN 94242401 CN94242401 CN 94242401 CN 94242401 U CN94242401 U CN 94242401U CN 2200498 Y CN2200498 Y CN 2200498Y
Authority
CN
China
Prior art keywords
oil
cylinder
oil cylinder
bending
mandrel
Prior art date
Application number
CN 94242401
Other languages
Chinese (zh)
Inventor
陈其东
马玉仁
Original Assignee
江苏省连云港市通用机械厂
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 江苏省连云港市通用机械厂 filed Critical 江苏省连云港市通用机械厂
Priority to CN 94242401 priority Critical patent/CN2200498Y/en
Application granted granted Critical
Publication of CN2200498Y publication Critical patent/CN2200498Y/en

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Abstract

The utility model relates to a novel hydraulic bending device for reinforcing bars. The combine racks and oil cylinders of the prior art are provided with complicated structure, and bending discs are driven by gears. The utility model comprises an oil cylinder, an oil passage, a motor, an oil pump, an oil tank and a workbench, wherein, the oil cylinder is a swing oil cylinder. The cylinder body is provided with a rotaty core axle, a fixed blade and a returning blade, and the oil cylinder can be enclosed to a working chamber and a returning chamber by the fixed blade and the returning blade; the fixed blade is fixed in the cylinder body, and the returning blade is fixed in the core axle. The oil port of the working chamber and the oil port of the returning chamber are arranged on both sides of the fixed blade, a bending disc arranged on the core axle is provided with a shearing mechanism for reinforcing bars, and the work of the bending disc is driven by self swing of the oil cylinder. The utility model has the advantages of simple structure, low cost, small consumption, long life and convenient manufacture.

Description

The utility model relates to a kind of hydraulic bending device of the device of processing building materials, particularly reinforcing bar.

Steel bar hydraulic pressure bending apparatus of the prior art comprises motor pump, fuel tank and the workbench of controlling the tooth bar oil cylinder by the fixing assembled rack oil cylinder of the piston rod of the crooked dish of gear control, by oil circuit.The problem of its existence is an assembled rack oil cylinder self structure complexity, must rectilinear motion could be transferred to circular motion by gear and drive crooked dish work, and volume is big, the cost height, and loss is big.

The utility model is at the deficiencies in the prior art, and it is simple to have proposed a kind of self structure, and oil cylinder self is directly swung the hydraulic bending device of the reinforcing bar that drives crooked dish.

Task of the present utility model is to realize like this, the utility model is a kind of steel bar hydraulic pressure bending apparatus, comprise the oil cylinder of the crooked dish of control, motor pump, fuel tank by oil circuit control oil cylinder and be fixed on workbench on the frame, oil cylinder is an oscillating oil cylinder, cylinder block is fixed, and the newel of crooked dish is contained on the mandrel of oscillating oil cylinder.The oil cylinder mandrel directly drives crooked dish work.

Described steel bar hydraulic pressure bending apparatus, oscillating oil cylinder cylinder body center is provided with and oil cylinder rotating mandrel in the same way, between cylinder body and mandrel, be provided with oil cylinder along fixed blade and the rotary vane of mandrel direction sealing for high-pressure working chamber and low pressure return cavity, fixed blade is fixed on the cylinder body, rotary vane is fixed on the mandrel, and the oil inlet and outlet of the oil inlet and outlet of high-pressure working chamber and low pressure return cavity is in the both sides of fixed blade.In the time of need carrying out bending work, reinforcing bar one end is inserted between the curved post of crooked dish, open high-pressure working chamber oil-feed handle, the rotary vane that is fixed on the mandrel promotes the mandrel forward rotation under the oil pressure effect, and mandrel drives crooked dish and rotates; When resetting after the crooked dish work of oil cylinder is finished, open low pressure return cavity oil-feed handle, the rotary vane that is fixed on the mandrel promotes the mandrel backward rotation under the oil pressure effect, and mandrel drives crooked dish and resets.

Described steel bar hydraulic pressure bending apparatus, in the oil circuit of the high-pressure working chamber of oscillating oil cylinder, low pressure return cavity, off-load stroke valve is housed, off-load stroke valve feeler lever is located at the periphery of crooked dish, the limit portion of crooked dish is provided with the contact block that can touch off-load stroke valve feeler lever, and contact block is the contact block that can slide and locate in the groove of crooked disk ring limit portion.The distance that contact block two on the bending dish touches a little is transferred to the distance location of finishing the one action stroke, and when crooked dish work was finished, contact block touched the feeler lever of off-load stroke valve, makes spool move on to the high pressure unloading position, and the pressure oil of high-pressure working chamber is got back to fuel tank.In like manner, curved cylinder resets when finishing, and contact block touches off-load stroke valve feeler lever, makes spool move on to the low pressure unloaded position, and the pressure oil of low pressure return cavity is got back to fuel tank.

Described steel bar hydraulic pressure bending apparatus preferably is furnished with the bar cutting device that is driven by oil circuit and shearing oil cylinder by same motor pump on the device.Dual-purpose machine makes things convenient for the processing of reinforcing bar on the building site to use.

Described steel bar hydraulic pressure bending apparatus, the oil pump of device adopts gear oil pump.It is strong to adapt to oil plant, and volume-diminished reduces cost, energy savings.

The utility model compared with prior art, self structure is simple, do not need to transfer rectilinear motion to circular motion and drive crooked dish by gear, oil cylinder self is directly swung the crooked dish work that drives, volume has reduced 15-20%, cost has reduced 20-25%, and energy-conservation nearly 10%, loss has reduced nearly 10%.Operating pressure, oily temperature are also low.Life-span is long.Easily manufactured.

Fig. 1 cuts open down the structural representation of facing of local shell plate for the utility model.

Fig. 2 is an oil circuit schematic diagram of the present utility model.

Fig. 3 is near the partial cutaway diagrammatic sketch the utility model oscillating oil cylinder.

Fig. 4 is an A-A section cut-away view among Fig. 3.

Fig. 1, Fig. 2, Fig. 3, Fig. 4 are an embodiment of the present utility model, the hydraulic bending device of the reinforcing bar among the figure, comprise the oil cylinder 4 of the crooked dish 5 of control, motor pump 3, fuel tank 15 by oil circuit control oil cylinder 4 and be fixed on workbench 2 on the frame 13, electric box 12 also is located in the frame 13, oil cylinder 4 is single blade oscillating oil cylinders 4, cylinder block 4 is fixed on the workbench 2, and the newel 7 of crooked dish 5 is contained on the mandrel 17 of oscillating oil cylinder 4.Oil cylinder mandrel 17 directly drives crooked dish 5 work.Oscillating oil cylinder 4 cylinder body centers are provided with and oil cylinder 4 rotating mandrel 17 in the same way, between cylinder body 4 and mandrel 17, be provided with oil cylinder 4 along fixed blade 18 and the rotary vane 16 of mandrel 17 directions sealing for high-pressure working chamber and low pressure return cavity, fixed blade 18 is fixed on the cylinder body 4, rotary vane 16 is fixed on the mandrel 17, and the oil inlet and outlet of the oil inlet and outlet of high-pressure working chamber and low pressure return cavity is in the both sides of fixed blade 18.In the oil circuit of the high-pressure working chamber of oscillating oil cylinder 4, low pressure return cavity, 3-position-3-way off-load stroke valve 10 is housed, 3-position-3-way off-load stroke valve 10 feeler levers 9 are located at the periphery of crooked dish 5, the limit portion of crooked dish 5 is provided with the contact block 8 that can touch 3-position-3-way off-load stroke valve feeler lever 9, and contact block 8 is to coil the contact block 8 that slides and locate in the groove of 5 ring limit portions in bending.Is furnished with the bar cutting device that drives by oil circuit and shearing oil cylinder 1 by same motor pump 3 on the device.The oil pump of device adopts gear oil pump.The motor of device adopts Y112-4 type motor, and the oil pump of device adopts G5-10 type gear oil pump.Install the control valve of each oil circuit and concentrate employing ZS-L1OC2YT20 type multiple directional control valve 14.In the time of need carrying out bending work, 8 liang of distances of touching a little of contact block on the bending dish 5 are transferred to the distance location of finishing the one action stroke, again reinforcing bar one end is inserted between the newel 7 and curved post 6 of crooked dish 5, withstand the reinforcing bar of back with movable supporting 11, open high-pressure working chamber oil-feed handle, the rotary vane 16 that is fixed on the mandrel 17 promotes mandrel 17 forward rotation under the oil pressure effect, mandrel 17 drives crooked dish 5 rotations and makes bar bending, when crooked dish work is finished, contact block 8 touches 3-position-3-way off-load stroke valve 10 feeler levers 9 makes spool move on to the high pressure unloading position, and the pressure oil of high-pressure working chamber is got back to fuel tank 15.When oil cylinder resets, open low pressure return cavity oil-feed handle, the rotary vane 16 that is fixed on the mandrel 17 promotes mandrel 17 backward rotation under the oil pressure effect, mandrel 17 drives crooked dish 5 and resets, curved cylinder resets when finishing, contact block touches 3-position-3-way off-load stroke valve feeler lever 9, makes spool move on to the low pressure unloaded position, and the pressure oil of low pressure return cavity is got back to fuel tank 15.

Claims (5)

1, a kind of steel bar hydraulic pressure bending apparatus, comprise the oil cylinder (4) of the crooked dish of control (5), motor pump (3), fuel tank (15) by oil circuit control oil cylinder (4) and be fixed on workbench (2) on the frame (13), it is characterized in that oil cylinder (4) is oscillating oil cylinder (4), cylinder block (4) is fixing, and the newel (7) of crooked dish (5) is contained on the mandrel (17) of oscillating oil cylinder (4).
2, steel bar hydraulic pressure bending apparatus according to claim 1, it is characterized in that oscillating oil cylinder (4) cylinder body center is provided with and oil cylinder (4) rotating mandrel (17) in the same way, between cylinder body (4) and mandrel (17), be provided with oil cylinder (4) along fixed blade (18) and the rotary vane (16) of mandrel (17) direction sealing for high-pressure working chamber and low pressure return cavity, fixed blade (18) is fixed on the cylinder body (4), rotary vane (16) is fixed on the mandrel (17), and the oil inlet and outlet of the oil inlet and outlet of high-pressure working chamber and low pressure return cavity is in the both sides of fixed blade (18).
3, steel bar hydraulic pressure bending apparatus according to claim 1, it is characterized in that in the oil circuit of high-pressure working chamber, low pressure return cavity off-load stroke valve (10) being housed in oscillating oil cylinder (4), off-load stroke valve (10) feeler lever (9) is located at the periphery of crooked dish (5), the limit portion of crooked dish (5) is provided with the contact block (8) that can touch off-load stroke valve feeler lever (9), and contact block (8) is to coil the contact block that slides and locate in the groove of (5) ring limit portion in bending.
4, steel bar hydraulic pressure bending apparatus according to claim 1 is characterized in that preferably being furnished with the bar cutting device that is driven by oil circuit and shearing oil cylinder (1) by same motor pump (3) on the device.
5, steel bar hydraulic pressure bending apparatus according to claim 1 is characterized in that the oil pump of device adopts gear oil pump.
CN 94242401 1994-08-13 1994-08-13 Hydraulic bending device for reinforcing bar CN2200498Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94242401 CN2200498Y (en) 1994-08-13 1994-08-13 Hydraulic bending device for reinforcing bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94242401 CN2200498Y (en) 1994-08-13 1994-08-13 Hydraulic bending device for reinforcing bar

Publications (1)

Publication Number Publication Date
CN2200498Y true CN2200498Y (en) 1995-06-14

Family

ID=33849004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94242401 CN2200498Y (en) 1994-08-13 1994-08-13 Hydraulic bending device for reinforcing bar

Country Status (1)

Country Link
CN (1) CN2200498Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299849C (en) * 2005-04-14 2007-02-14 达铁机械厂股份有限公司 Automatic bending machine for steel bar
CN1299848C (en) * 2005-04-14 2007-02-14 达铁机械厂股份有限公司 Automatic bending machine for steel bar
CN101214522B (en) * 2008-01-11 2010-12-29 杨秀敏 Digital control steel bar vertical bending shaping machine
CN103752727A (en) * 2013-12-31 2014-04-30 江苏永钢集团有限公司 Steel bar bender

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299849C (en) * 2005-04-14 2007-02-14 达铁机械厂股份有限公司 Automatic bending machine for steel bar
CN1299848C (en) * 2005-04-14 2007-02-14 达铁机械厂股份有限公司 Automatic bending machine for steel bar
CN101214522B (en) * 2008-01-11 2010-12-29 杨秀敏 Digital control steel bar vertical bending shaping machine
CN103752727A (en) * 2013-12-31 2014-04-30 江苏永钢集团有限公司 Steel bar bender

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