Spring automatic production apparatus
The present invention relates to a kind of spring automatic production apparatus, particularly a kind of, cut-out back automatic manufacturing device of producing spring treated by steel band.
The existing production method that is used to roll the miniature movement spring of musical box is to make steel band earlier, again with the steel band annealing in process, and make hook, and the manufacture method of steel band is: after steel band is located with artificial feeding baffle plate, thrust steel band with the Artificial Control punch press again, manually unload band then.Whole steel band manufacture process is undertaken by manual substantially, and manually-operated is all used in steel band location and adjustment, and it is very inconvenient to operate, and operator's labour intensity is big, and production efficiency is low; And its length precision of the steel band that makes is low, is difficult to satisfy the instructions for use of required precision when high.
This shows that in the spring steel band manufacture process, the feed length of spring steel band is very important.General spring steel band feeding style has following three kinds: 1, for long steel band (L 〉=2000mm) adopt roller shaft force feed steel band and step-by-step counting to control the length of steel band.2, roller shaft force feed and rack-and-pinion control steel band length.3, artificial baffle plate is located.For method 1, because steel band length is shorter, the roller shaft starting stops frequent, and steel band is skidded, simultaneously step-by-step counting difficulty (can only change half-turn).For method 2, owing to make rack-and-pinion change difficulty on 2 tons of punch presses, existing punch press tonnage is too big, and steel band is short, and control is difficulty partially.For method 3,, and can't realize automatic operation then because of the manually-operated meeting brings more mistake.Because above-mentioned three kinds of feeding methods have certain defective, therefore need to seek the spring steel band feeding style in addition, guarantee the length dimension precision of steel band simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to overcome the above-mentioned defective of prior art and a kind of spring automatic production apparatus is provided, make steel band can produce spring automatically, thereby reach the purpose of enhancing productivity, and can also improve the precision of spring length, obtain high-precision spring.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Spring automatic production apparatus, comprise the disk-feeding frame that sets gradually, annealing device, place the linear slide unit on the stand, the punch press of band punch die, the outlet roller device, beat hook device, feeder and control system, stand is by the steel band open-close type fixture of disk-feeding frame one end setting by cylinder control, another steel band open-close type fixture by another cylinder control is set on the linear slide unit, described two cylinders, linear slide unit, punch press, the outlet roller device is by the unified control of control system, make steel band after annealing in process, output to the punch die of punch press and cut off by the control of linear slide unit from the disk-feeding frame, the economy-combat hook device is transported in the feeder by the outlet roller device after making hook again, and the stroke of described linear slide unit is controlled by number of pulses.
Above-mentioned input unit is the disk-feeding frame, and steel band can pull up and affects with the external world like this.
Above-mentioned conveying device is linear slide unit, the burst length decision that its fed distance is provided by control system.Linear slide unit is to drive ball-screw with servomotor to do linearly steadily to move and make the high precision part of length direction positioning control with photoelectric detector at length direction, servomotor rotation precision height, change come to a complete stop fixed.Ball-screw transmission balance can be eliminated the sideshake problem of common leading screw again, and back and forth the location is reliable, and photoelectric detector guarantees the positioning accuracy of leading screw work top simultaneously, so conveying device adopts linear slide unit can improve the precision of steel band length.
Above-mentioned shearing device is the punch press of band mould, and punch press when action is with steel strip cutting.
Above-mentioned output device is the outlet roller device, moves and will place steel band therebetween to send by the driven by motor roller.
Compared with prior art, the invention has the advantages that:
1, passes through the reasonable combination of steel band feeding, cutoff device and treating apparatus, realize the automatic cut-out of whole steel band material and the processing of steel band, and directly obtain spring, thereby reduced labour intensity, improve production efficiency and product lumber recovery, reduced production cost.
2, select for use linear slide unit to make the conveying device of steel band, improve the precision of steel band fed distance, thereby improve the cut-out precision of steel band, thereby can make the spring of high precision length, make it satisfy the high service condition of required precision fully.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the cutaway view of the open-close type casting die of Fig. 1.
Fig. 4 is the schematic diagram of the control system of the embodiment of the invention.
The specific embodiment
Implement the present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 2, spring automatic production apparatus, comprise disk-feeding frame 1, high frequency annealing device 6, linear slide unit 2, band punch die punch press 3, outlet roller device 4, beat hook device 7, gathering-device 5 and control system.
Disk-feeding frame 1 spirals steel band 11 on its axle, and steel band 11 rotates after high frequency annealing device 6 is handled with its axle and delivers on the linear slide unit 2, and steel band hardness reduction after treatment is convenient to later process and is beaten to collude to beat in the device 7 and collude.
Linear slide unit 2 places on the support stand plane, linear slide unit 2 one sides are established open-close type casting die 22, casting die 22 is controlled its folding by the cylinder axis of cylinder I 23, cylinder I 23 bent fixed mounts 26 are fixed on the support stand by screw 27, as shown in Figure 3, establish the open-close type casting die 24 with open-close type casting die 22 analog structures on the linear slide unit 2, open-close type casting die 24 is controlled its folding by cylinder I I, steel band 11 is fastened by open-close type casting die 22,24 or unclamps, and is carried by linear slide unit 2.
Linear slide unit 2 is controlled it by motor 21 by screw mandrel and is moved, and it for product commonly used, can determine the reciprocal positioning accuracy of linear slide unit 2 and the helical pitch of leading screw according to length, the required precision of required steel band, and purchase customized or direct.The technical parameter of present embodiment neutral line slide unit is: back and forth positioning accuracy ± 0.05mm, leading screw helical pitch p=16mm, slide unit linear velocity V=400mm/s, motor are the 300W servomotor.
Beating hook device 7 and stamp hook at steel band, also be common unit, its band open-close type casting die 71, and structure is similar to open-close type casting die 22, is unclamped or is fastened by the pressure zone cylinder, the mobile or fixing steel band of permission.
Gathering-device 5 comprises motor 52 and roller-way 51, and roller-way 51 is driven by motor 52.
Steel band 11 is delivered to punch press 3 by linear slide unit 2 and cut into material by punch press to regular length, again by delivering in the piling table 51 of gathering-device 5 behind 7 dozens of hooks of outlet roller device 4 economy-combat hook devices, finish the cut-out conveying and the processing procedure of whole steel band, obtain spring.
Described outlet roller device 4 is the roller rotating mechanism, and by motor-driven, the steel band after the cut-out rotates with rod and takes out of, and it is common structure, is not described in detail at this.
Control system is by Controlled by Programmable Controller, whole control process is seen Fig. 4, annealing device 6, cylinder I 23, linear slide unit 2, cylinder I I, punch press 3, beat hook device 7, conveying device 4 is controlled by linear Programmable Logic Controller (PLC), cylinder is by solenoid control, punch press, conveying device are controlled by auxiliary reclay, Controlled by Programmable Controller is through programming and electric elements, control a series of actions of above-mentioned whole device, finish sending into, anneal, carry, cut off, beat hook and sending of steel band, finish whole operation automatically.Because it is common that concrete control mode to a certain parts has for example belonged to the control of cylinder, no longer launches to discuss at this.
During use, the Programmable Logic Controller of control system provides enabling signal, charging tray 1 slowly send steel band material 11, and give pressure zone cylinder I 22 and feeding cylinder II with signal, pressure zone cylinder I 22 is unclamped, and cylinder I I compresses, and linear slide unit stand 21 moves forward feeding, send a pulse signal, linear slide unit continues to stop to end-of-pulsing forward, and the location, and this moment, punch press 3 actions thrust steel band, and send steel band through outlet roller device 4 action, the pressure zone cylinder is compacted to be beaten hook device and makes hook, made hook after the pressure zone cylinder unclamp, beat hook device and reset, steel band enters gathering-device 5, after this control system provides signal and makes cylinder I 22 compress steel band, and cylinder I I unclamps, and sends a pulse signal, linear slide unit 2 moves backward, location after finishing to pulse.So cycling just can be handled automatically, cuts steel band and make hook and be sent, and finishes the automatic production of spring.
Above-mentioned linear slide unit one side also can be provided with light detector (not drawing among the figure), and light detector links to each other with control system, and the location.It is safer, reliable to make slide unit move control like this, avoids can not stopping to move of linear slide unit because of pulse is malfunctioning.