Heating furnace loading attachment
Technical Field
The utility model relates to a sawing machine, in particular to a heating furnace feeding device before sawing.
Background
At present, when steel ball production and processing are carried out in the field of steel ball production and processing, due to the width limitation of a stepping heating furnace, a steel bar with the length of six meters needs to be sawed by a sawing machine and then hoisted to a material loading frame to be conveyed and heated in the stepping heating furnace, and the program of the stepping heating furnace is set to automatically supplement the steel bar to the stepping heating furnace after every steel bar is conveyed, so that the steel bar is usually clamped between the material loading frame and a conveying wheel gap of the conveying frame when a raw material steel bar on the material loading frame conveys the steel bar to the conveying frame of the stepping heating furnace, the steel bar needs to be manually prized, natural gas, human resources and electric power resources are wasted, the production efficiency is low, and the ton cost is. Therefore, the design of the heating furnace feeding device without steel bar clamping stagnation is a technical problem to be solved at present.
Disclosure of Invention
The utility model aims to solve the technical problem that a heating furnace loading attachment that the rod iron is stuck not is provided.
The utility model provides a technical hand scheme of its technical problem is:
heating furnace loading attachment comprises rod iron material loading frame and rod iron carriage, and the rod iron material loading frame is the overall arrangement of side T style of calligraphy with the rod iron carriage, is equipped with the rod iron revolving rack device that can transfer the rod iron on the rod iron material loading frame to the rod iron carriage between rod iron material loading frame and rod iron carriage.
As an optimized scheme of the utility model, the rod iron carriage constitute by rectangular frame and a plurality of pay-off bearing roller, all install double sprocket at the axle head of all pay-off bearing rollers, wherein a sprocket in the double sprocket of one end passes through the chain with the driving sprocket of motor axle head and is connected and another sprocket passes through the chain with the corresponding sprocket in its adjacent double sprocket and is connected, another sprocket in the adjacent double sprocket passes through the chain with the corresponding sprocket in its adjacent double sprocket again and is connected, analogize from this.
As a preferred scheme of the utility model, the steel bar feeding frame is an inclined steel bar conveying channel with a high rear end and a low front end, and a stop block for preventing the steel bar from slipping is arranged at the front end of the inclined steel bar conveying channel; the steel bar rotating frame device is composed of a sloping roof plate and a sloping roof plate swinging power device, two shafts extending out of the rear upper beam at a certain distance are fixed on the rear upper beam of the steel bar conveying frame, a supporting base is fixed at the front end of the steel bar upper material frame, a shaft coaxial with a swing shaft is fixed on the supporting base, shaft sleeves are sleeved on the two ends of the swing shaft and the shaft coaxial with the swing shaft, the sloping roof plate, the swing shaft and the shaft sleeve coaxial with the swing shaft are welded and fixed, the sloping roof plate swinging power device is fixed at the front end of the steel bar upper material frame, the sloping roof plate swinging power device controls the sloping roof plate to be erected and laid down through a control device, the sloping roof plate is laid down in a normal state, and one bar is transferred to the steel bar conveying frame from the steel bar upper material frame once the sloping roof plate is erected.
As an optimized scheme, oblique roof swing power device be articulated formula hydraulic cylinder, hydraulic cylinder establishes between two oblique roofs, the front end of work or material rest is fixed with articulated formula hydro-cylinder base on the rod iron, hydraulic cylinder's cylinder passes through the articulated shaft and articulates with articulated formula hydro-cylinder base, be equipped with the articulated seat of hydro-cylinder piston rod on the inboard of one of them oblique roof, articulated formula hydro-cylinder base's piston rod passes through the articulated shaft and this oblique roof is articulated, it has the connecting rod still to articulate between two oblique roofs, hydraulic cylinder and hydraulic pressure station are connected. The inclined top plate is laid down in a normal state, when a piston rod of the hydraulic oil cylinder extends out, the inclined top plate hinged with the piston rod of the hydraulic oil cylinder swings around a swing shaft of the inclined top plate to be erected, a bar is jacked by the inclined top plate at the moment, then the steel bar falls onto the feeding carrier roller along the inclined top plate in a rolling mode, and the steel bar conveying frame feeds materials to the heating furnace.
As an optimal scheme of the utility model, tip is equipped with the rod iron card nest before the sloping roof, the line of the central line of the rod iron card nest of two sloping roofs and the central line of the roll groove of all pay-off bearing rollers are on same vertical plane, the rear end of sloping roof is at least after the lower quadrant line of the foremost rod on the rod iron material loading frame, in the rod iron card nest of tip before the sloping roof rolls down along the sloping roof after the sloping roof erects, then hydraulic cylinder's piston rod withdrawal, the sloping roof resets this moment, get into next circulation.
As the utility model discloses an optimal scheme, the excellent card nest of rod iron of oblique roof highly surpasss the high 1cm of roller groove of pay-off bearing roller, and the rear end when the oblique roof erects highly surpasss the raw and other materials excellent steel height 1cm on the excellent steel feeding frame.
As an optimized proposal of the utility model, the hydraulic station comprises an oil pump, an overflow valve and an electromagnetic valve, wherein the coil of the electromagnetic valve is connected with the electric control system of the stepping heating furnace. When the step-by-step heating furnace does not carry out the tapping, two sloping roof plates are in the state of lying down, when the step-by-step heating furnace carries out the tapping, through step-by-step heating furnace electrical system's PLC's control, when the solenoid valve received PLC's forward signal, hydraulic cylinder drives the sloping roof plate and erects, the sloping roof plate is with the rod iron jack-up, the rod iron rolls in the rod iron card nest afterwards, when the solenoid valve received PLC's reverse signal, hydraulic cylinder drives the sloping roof plate and crouches, the rod iron is steadily put in the pay-off bearing roller on the carriage.
Compared with the prior art, the utility model discloses not only effectual the rod iron jamming phenomenon between work or material rest and the carriage of having solved, stopped natural gas, electric power resource, manpower resources running cost's waste, increase when making production line production, reduced the input of the unnecessary expense of production ton cost, simple structure, use convenient operation moreover.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a hydraulic schematic.
Detailed Description
As shown in the figure, heating furnace loading attachment comprises rod iron material loading frame 2 and rod iron carriage, and rod iron material loading frame 2 and rod iron carriage are the overall arrangement of side T style of calligraphy, are equipped with the rod iron revolving rack device that can transfer the rod iron on the rod iron material loading frame 2 to the rod iron carriage 13 between rod iron material loading frame 2 and the rod iron carriage.
The steel bar conveying frame is composed of a conveying frame 13 and a plurality of feeding carrier rollers 5, double chain wheels 6 are mounted at the shaft ends of all the feeding carrier rollers 5, one chain wheel of the double chain wheels 6 at one end is connected with a driving chain wheel at the shaft end of a motor through a chain, the other chain wheel is connected with a corresponding chain wheel of the adjacent double chain wheel 6 through a chain, the other chain wheel of the adjacent double chain wheel 6 is connected with a corresponding chain wheel of the adjacent double chain wheel 6 through a chain, and the like.
The steel bar feeding frame 2 is an inclined steel bar conveying channel with a high rear end and a low front end, and a stop block for preventing the steel bar from slipping is arranged at the front end of the inclined steel bar conveying channel; the steel bar rotating frame device consists of an inclined top plate 4 and an inclined top plate swinging power device, two swinging shafts 9 with two ends extending out of a rear upper beam at a certain distance are fixed on the rear upper beam of the steel bar conveying frame 13, a supporting base 3 is fixed at the front end of the steel bar feeding frame 2, a shaft coaxial with the pendulum shaft 9 is fixed on the supporting base 3, shaft sleeves are sleeved on both ends of the pendulum shaft 9 and on a shaft coaxial with the pendulum shaft 9, the inclined top plate 4 is welded and fixed with the pendulum shaft 9 and the shaft sleeve coaxial with the pendulum shaft 9, the inclined top plate swinging power device is fixed at the front end of the steel bar feeding frame 2, the inclined top plate swinging power device controls the inclined top plate 4 to be erected and laid down through the control device, the inclined top plate 4 is laid down normally, and a bar is transferred to the steel bar conveying frame from the steel bar feeding frame 2 once the inclined top plate 4 is erected.
The inclined top plate swinging power device is a hinged hydraulic oil cylinder 11, the hydraulic oil cylinder 11 is arranged between two inclined top plates 4, a hinged oil cylinder base 10 is fixed at the front end of the steel bar feeding frame 2, a cylinder barrel of the hydraulic oil cylinder 11 is hinged with the hinged oil cylinder base 10 through a hinged shaft, an oil cylinder piston rod hinged seat is arranged on the inner side of one inclined top plate 4, a piston rod of the hinged oil cylinder base 10 is hinged with the inclined top plate 4 through a hinged shaft, a connecting rod 8 is hinged between the two inclined top plates 4, and the hydraulic oil cylinder 11 is connected with a hydraulic station. The inclined top plate 4 is laid down normally, when a piston rod of the hydraulic oil cylinder 11 extends out, the inclined top plate 4 hinged with the piston rod of the hydraulic oil cylinder 11 swings and erects around a swing shaft 9 of the inclined top plate, at the moment, the inclined top plate 4 jacks up a bar, then the steel bar rolls down to the feeding carrier roller 5 along the inclined top plate 4, and the steel bar conveying frame feeds the heating furnace.
The front end part of the inclined top plate 4 is provided with a steel bar clamping pit 7, the connecting line of the central lines of the steel bar clamping pits 7 of the two inclined top plates 4 and the central lines of the roller grooves of all the feeding carrier rollers 5 are on the same vertical plane, the rear end of the inclined top plate 4 is at least arranged behind the lower quadrant line of the foremost steel bar on the steel bar feeding rack 2, when the inclined top plate 4 is erected, the steel bar rolls down into the steel bar clamping pit 7 at the front end part of the inclined top plate 4 along the inclined top plate 4, then the piston rod of the hydraulic oil cylinder 11 retracts, and at the moment, the inclined top plate 4 resets and enters the next cycle.
The height of the steel bar clamping nest 7 of the inclined top plate 4 exceeds the roller groove height of the feeding carrier roller 5 by 1cm, and the height of the rear end of the inclined top plate 4 when erected exceeds the height of the raw material steel bar on the steel bar feeding rack 2 by 1 cm.
The hydraulic station consists of an oil pump 14, an overflow valve 15 and an electromagnetic valve 12, wherein a coil of the electromagnetic valve 12 is connected with an electric control system of the stepping heating furnace. When the step-by-step heating furnace does not carry out the tapping, two sloping roof plates 4 are in the state of lying down, when the step-by-step heating furnace carries out the tapping, through step-by-step heating furnace electrical system's PLC's control, solenoid valve 12 receives PLC's forward signal, hydraulic cylinder 11 drives sloping roof plate 4 and erects, sloping roof plate 4 is with excellent jack-up of steel rod, the steel rod rolls in excellent card nest 7 of steel rod afterwards, when solenoid valve 12 received PLC's reverse signal, hydraulic cylinder 11 drives sloping roof plate 4 and lies down, the steel rod is steadily put in the pay-off bearing roller 5 on the carriage 13.