The hydraulic numerical control stirrup bender
Technical field
The utility model relates to a kind of stirrup bender.
Background technology
Along with the development of building industry, high tensile reinforcement application under construction is more and more general.The III grade reinforcing steel generally uses in engineering at present, the part engineering has been brought into use ⅣJi Gang, and the pneumatic numerical control hoop bender that uses on the domestic market adopts servomotor and reductor that power is provided, there is big difficulty in processing to high tensile reinforcement and diameter steel bar (as: III grade reinforcing steel), generally be applicable to the processing of Φ 12mm and following II grade reinforcing steel, if realizing Φ 14mm(contains) then equipment manufacturing cost is very high for the processing of above and high strength cast iron, and can not meeting the market requirement.
Summary of the invention
The purpose of this utility model provides a kind of hydraulic numerical control stirrup bender, solve existing stirrup bender and be difficult to the technical problem big for the high strength cast iron difficulty of processing, that cost is high.
For achieving the above object, the utility model adopts following technical scheme:
This hydraulic numerical control stirrup bender comprises casing, straightening mechanism, compresses haulage gear, cutting mechanism, bending forming mechanism, and hydraulic power unit, electrical control cubicles and control platform, it is characterized in that:
Described straightening mechanism comprises outer straightening mechanism and interior straightening mechanism, outer straightening mechanism level is located at an end of hoop bender reinforcing bar pan feeding, interior straightening mechanism is identical with outer straightening mechanism structure, vertically be located at and compress between haulage gear and the cutting mechanism, interior straightening mechanism comprises two rows aligning wheel, the wheel shaft of last aligning wheel is installed in the square hole of aligning gripper shoe, the back-moving spring of the wheel shaft bottom that vertically acts on the aligning wheel is installed in the hole of square hole below, and what the wheel shaft top that vertically acts on the aligning wheel was installed in the hole of square hole top compresses pin and adjustment screw;
The described haulage gear that compresses comprises initiative traction wheel and contact roller, and initiative traction wheel is compressed the wheel shaft side and vertically is provided with hydraulic jack by fluid motor-driven, and rotary encoder is connected with the wheel shaft of contact roller;
Described cutting mechanism comprises the power cutter, and the handle of a knife place of power cutter is connected with the boom end of hydraulic jack, and the hydraulic jack bottom is hinged by hinge and bearing, and the handle of a knife place of power cutter also is equipped with near switch;
Described bending forming mechanism is adjacent with cutting mechanism, comprises mandrel, and mandrel is rotated by fluid motor-driven, and the whole displacement of mandrel and hydraulic motor is driven by hydraulic jack, also is connected with rotary encoder on the mandrel;
Described straightening mechanism, compress haulage gear, cutting mechanism, bending forming mechanism and all is connected, be connected with servo-hydraulic valve group in the middle part of supporting underframe with support underframe in the casing.
Described control platform can be cantilever control platform, and its top is connected with casing by cantilever.
Have deep-slotted chip breaker on the aligning wheel of described outer straightening mechanism.
The mandrel and the hydraulic motor of described bending forming mechanism together are fixed in the push pedal, the push pedal two ends are vertically connected at respectively on two connecting axles, the connecting axle two ends are connected with the gripper shoe of both sides respectively, the push pedal back side is connected with the push rod of hydraulic jack, respectively is equipped with one on the supported on both sides plate near switch.
Compared with prior art the utlity model has following characteristics and beneficial effect:
1, straightening mechanism comprises outer aligning (level aligning) and interior aligning (vertically aligning), in order to eliminate the reinforcing bar internal stress, realizes the aligning to reinforcing bar.Two row's aligning wheel spacings of inside and outside straightening mechanism can compress pin adjustment by adjusting the screw transmission, to realize the aligning to the different-diameter reinforcing bar.
2, compressing haulage gear compresses haulage gear with the traditional, pneumatic hoop bender and compares, the main distinction is type of drive, compressing power source adopts hydraulic jack to replace cylinder, the power source of initiative traction wheel adopts hydraulic motor, replace servomotor, reductor by servo valve, thereby improved power performance.Initiative traction wheel cooperates rotary encoder, has been realized the accurate location of traction again by PLC control.
3, bending forming mechanism adopts hydraulic motor, servo valve to replace traditional servomotor, reductor, and the flexible employing hydraulic jack of mandrel realizes that hydraulic jack drives hydraulic motor and mandrel integral telescopic.Bending forming mechanism adopts hydraulic motor to cooperate servo valve and rotary encoder, uses PLC control to improve crooked angle precision.The flexible employing of mandrel is spacing near switch, can realize the free adjustment of stroke.
4, cutting mechanism adopts hydraulic jack to replace traditional reducing motor.Cutting out section adopts lever construction, cuts off action by flexible realization of oil cylinder, and is simpler with traditional eccentric shaft mechanism structure compared.Employing is easy to control the cutting knife movement range near switch is spacing, is convenient to on-the-spot the adjustment.
5, the cantilever of cantilever operation control platform can rotate freely, be convenient to the operator select comfortable, the position is controlled, is operated equipment easily.
The utility model adopts hydraulic system that power is provided, utilization servo valve, rotary encoder and PLC controller are realized the full-automation processing of steel wire binding bar, improve the linearity and the angle precision of stirrup processing, satisfied the stirrup processing request of high tensile reinforcement, diameter steel bar and Ribbed Bar.The utility model is compared with servomotor, the reductor of traditional numerical control hoop bender, and power source adopts hydraulic system, has reduced manufacturing, maintenance cost, and power performance improves greatly, is applicable to the processing of high tensile reinforcement and diameter steel bar stirrup.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is an external structure schematic diagram of the present utility model.
Fig. 2 is an internal structure schematic diagram of the present utility model.
Fig. 3 is the main TV structure schematic diagram of interior straightening mechanism.
Fig. 4 is the side-looking structural representation of interior straightening mechanism.
Fig. 5 is the structural representation that compresses haulage gear.
Fig. 6 is the structural representation of cutting mechanism.
Fig. 7 is the structural representation of bending forming mechanism.
Reference numeral: 1-cantilever control platform, the outer straightening mechanism of 2-, the 3-electrical control cubicles, 4-compresses haulage gear, 4.1-initiative traction wheel, 4.2-hydraulic jack, 4.3-rotary encoder, 4.4-hydraulic motor, 4.5-contact roller; The 5-hydraulic valve bank, straightening mechanism in the 6-, 6.1-adjusts screw, and 6.2-compresses pin, the last aligning wheel of 6.3-, 6.4-following aligning wheel, the 6.5-back-moving spring, 6.6-aligns gripper shoe, the wheel shaft of the last aligning wheel of 6.7-, 7-cutting mechanism, 7.1-power cutter, 7.2-be near switch, 7.3-hydraulic jack, 7.4-hinge; 8-bending forming mechanism, 8.1-mandrel, 8.2-be near switch, 8.3-hydraulic jack, 8.4-hydraulic motor, 8.5-rotary encoder, 8.6-gripper shoe, 8.7-push pedal, 8.8-connecting axle; The 9-hydraulic power unit, 10-supports underframe, 11-casing.
The specific embodiment
Embodiment is referring to Fig. 1, shown in Figure 2, this hydraulic numerical control stirrup bender, straightening mechanism, compress haulage gear, cutting mechanism, bending forming mechanism all with casing in support underframe 10 be connected, support underframe 10 both sides and be connected with casing 11, support underframe 10 middle parts and be connected with servo-hydraulic valve group 5 by fixed head.Electrical control cubicles 3 is connected in casing one side.Hydraulic power unit and equipment underframe are fixed.The control platform can adopt cantilever control platform 1, and its top is connected with casing 11 by cantilever.
Referring to Fig. 3, shown in Figure 4, described straightening mechanism comprises outer straightening mechanism 2 and interior straightening mechanism 6, outer straightening mechanism 2 levels are located at an end of hoop bender reinforcing bar pan feeding, interior straightening mechanism 6 is identical with outer straightening mechanism structure, vertically be located at and compress between haulage gear 4 and the cutting mechanism 7, interior straightening mechanism 6 comprises two rows aligning wheel, the wheel shaft 6.7 of last aligning wheel is installed in the square hole of aligning gripper shoe 6.6, the back-moving spring 6.5 of wheel shaft 6.7 bottoms that vertically act on the aligning wheel is installed in the hole of square hole below, and what wheel shaft 6.7 tops that vertically act on the aligning wheel were installed in the hole of square hole top compresses pin 6.2 and adjustment screw 6.1.Have deep-slotted chip breaker on the aligning wheel of different with interior straightening mechanism 6 is outer straightening mechanism 2.
Referring to shown in Figure 5, the described haulage gear 4 that compresses comprises initiative traction wheel 4.1 and contact roller 4.5, and initiative traction wheel 4.1 is driven by hydraulic motor 4.4, and 4.5 sides of contact roller vertically are provided with hydraulic jack 4.2, and rotary encoder 4.3 is connected with the wheel shaft of contact roller 4.5.
Referring to shown in Figure 6, cutting mechanism 7 comprises power cutter 7.1, and the handle of a knife place of power cutter is connected with the boom end of hydraulic jack 7.3, and hydraulic jack 7.3 bottoms are hinged by hinge 7.4 and bearing 7.5, and the handle of a knife place of power cutter also is equipped with near switch 7.2.
Referring to shown in Figure 7, bending forming mechanism 8 is adjacent with cutting mechanism 7, comprise mandrel 8.1, mandrel 8.1 drives rotation by hydraulic motor 8.4, mandrel 8.1 and hydraulic motor 8.4 integral body are by hydraulic jack 8.3 drive displacement, mandrel 8.1 together is fixed in the push pedal 8.7 with hydraulic motor 8.4, the push pedal two ends are vertically connected at respectively on two connecting axles 8.8, the connecting axle two ends are connected with the gripper shoe 8.6 of both sides respectively, the push pedal back side is connected with the push rod of hydraulic jack 8.3, respectively is equipped with one on the supported on both sides plate near switch 8.2.Also be connected with rotary encoder 8.5 on the mandrel 8.1.
The course of work of the present utility model:
Charging: reinforcing bar from pay off rack draw under the effect that compresses haulage gear, march forward behind the straightening mechanism outside entering to, enter interior straightening mechanism then, traction wheel continues rotation promotion reinforcing bar and advances until cutting mechanism, and the aligning wheel makes the line outlet bar straightening in the adjustment, manually shears then.
Parameter is provided with: crooked head is sought ginseng, imports linear dimension and the angle numerical value and the processing quantity of required processing stirrup, starts the automation processing that automatic cooked mode can realize steel wire binding bar.