The metal wire rod sutomatic winding machine
Affiliated technical field
The utility model relates to a kind of metal wire rod sutomatic winding machine.
Background technology
At present, China's metal wire rod coiling machine all is that reel rotates when the coiling metal wire rod, but out-of-level moving, but other similar wire-arranging mechanisms such as dependence cam mechanism carry out winding displacement and coiling.This traditional wire-arranging mechanism changes layer at every turn and all can produce bigger linear deflection angle in the wire rod winding process.And the line power of dialling of mechanism is too little, the timely transposition of wire rod can not be changed layer, must be knocked by force with instrument by the workman, is easy to cause the distortion and the damage of wire rod.Also there is fault of construction in mechanism itself, and easy to wear, gap is big, transmission is not steady.Finally cause the every layer line of the coil of wire that lays out apart from inhomogeneous, two ends are irregular, and profile is not attractive in appearance, and spiral speed is also slow.Particularly when reeling thick harder wire rod, because the intensity height of wire rod, rigidity is big, and the mixed and disorderly phenomenon of this winding displacement is even more serious.Enterprises production efficiency is low, poor product quality, time-consuming, and economic benefit is affected.This a great problem is perplexing metallic wire coil always and is detouring already.
The utility model content
In order to overcome the defective that above-mentioned metal wire rod coiling machine exists, the utility model provides a kind of decapacitation to make outside reel rotates, can also make reel along the axis direction uniform movement, and can make wire rod only along the permanent metal wire rod sutomatic winding machine that linear speed is sent to, degree of automation is higher of coil of wire tangential direction.
The technical scheme that its technical matters that solves the utility model adopts is: the metal wire rod sutomatic winding machine, comprise machinery and electrical control two parts, the technical characterictic of its mechanics shows: stepping motor 24 links by coupler 25,28 and ball screw assembly, 29, and moving guide rail 22 adopts Bolt Connection with the nut of ball wire bar pair 29.By ball screw assembly,, the takeoff output of stepping motor 24 drives moving guide rail 22 and does reciprocating linear motion to moving guide rail 22.Moving guide rail 22 with decide guide rail 23 and cooperate installation, decide guide rail 23 and pass through bearing 26,30 supports.Bench board 18 is fixed on the moving guide rail 22, and servo-actuated guide rail 22 does reciprocating linear motion.Retarder 15 and variable-frequency motor 21 are fixed on the bench board 18.Variable-frequency motor 21 arrives retarder 15 by driving pulley 20, belt 19, driven pulley 16 with transmission of power.Retarder 15 arrives main shaft 3 by coupler 14 with transmission of power, and two bearings 12 are housed on the main shaft 3, and bearings is on bearing seat 13, and bearing seat 13 is fixed on the bench board 18.Main shaft 3 and fixation clip 11 link by key and screw, and fixed dam 10 links with fixation clip 11 usefulness screws.Roll support plate 9 supports cable winding drum 7 as skeleton, and roll support plate 9 one ends are installed on the fixation clip 11 with pin, and the other end stretches out from the shifting board of cable winding drum 7 these parts.Roll support plate 9 is connected with umbrella skeleton 6, when umbrella skeleton 6 near the connecting rod of axle vertically when right-hand member slides, umbrella skeleton 6 is done the umbrella shape contraction near the connecting rod pulling stay bearing plate of stay bearing plates.Internal and external threads sleeve 4 connects by outside thread and small handwheel 1, connects by negative thread and main shaft 3.Umbrella skeleton 6 and main shaft 3 are that flat key connects, and can horizontally slip vertically.Rotate small handwheel 1, can compress or unclamp the shifting board of cable winding drum 7, rotate big handwheel 2 and can spur umbrella skeleton 6 and slide to main shaft 3 right-hand members by movable pressing board 5; Also can promote umbrella skeleton 6 and slide, hold out against up to umbrella skeleton 6 and forcing inhibiting device screw thread top to be overlapped till 8 to main shaft 3 left ends.Screw thread top cover 8 and main shaft 3 are thread connection.The technical characterictic of electric control system shows: the signal input part that is contained in code device signal mouth on guide wheel and the retarder and PLC connects, the signal input part of the signal input part of 1PG and 3A module connects with the signal output part of PLC respectively, the signal output part of 1PG connects with driving power, driving power connects with stepping motor, the signal output part of 3A module connects with frequency converter, and frequency converter connects with variable-frequency motor.3A module and PLC are fitted together, and the 1PG module hangs over PLC outward and installs on the frid, and PLC, 3A module, 1PG module, driving source for step motor are installed in the electrical control cabinet, and frequency converter is contained in separately in another control housing.
The beneficial effects of the utility model are: because bench board 18 is installed in above the moving guide rail, this just makes that cable winding drum 7 can also be along axis crank motion at the uniform velocity except that around rotational; Because this mechanical control is PLC control and frequency control, thereby change traditional mechanical type step speed regulation mode into the stepless frequency control mode, can realize that the permanent linear speed of wire rod sends to, outward appearance is neat, even, compact behind the coiling, and winding efficiency also greatly improves.Especially, the utility model can also be reeled ideally and be had the metal wire rod of certain strength and stiffness.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples and principle of work.
Fig. 1 is a constructional drawing of the present utility model.
Fig. 2 is a system of the present utility model control scheme drawing.
Among Fig. 1: 1 small handwheel, 2. big handwheel, 3. main shaft, 4. internal and external threads sleeve, 5. movable pressing board, 6. umbrella skeleton, 7. cable winding drum, 8. screw thread top cover, 9. roll support plate, 10 fixed dams, 11. fixation clips, 12. bearings, 13. bearing seat, 14. coupler, 15. retarders, 16. driven pulley, 17. coders, 18. bench board, 19. belt, 20. driving pulleys, 21. variable-frequency motors, 22. moving guide rail, 23. decide guide rail, 24. stepping motors, 25. coupler, 26. bearings, 27. bearing seats, 28. coupler, 29. ball screw assembly,s, 30. bearings.
The specific embodiment
A fixing line sending frame is housed in the dead ahead of cable winding drum 7 of the present utility model, the metal wire rod of need reeling thus fixedly the line sending frame be sent on the cable winding drum 7.In Fig. 1, ball screw assembly, 29 moves the left and right sides straight line that the rotation of stepping motor 24 changes bench board 18 into, has realized the motion of metal wire rod winding displacement.Travel switch is equipped with at the two ends of moving guide rail 22 stroke range, can accurately determine moving guide rail about turn to mobile, thereby stacked the adding of volume on the realization reel 7.Frequency Converter Control variable-frequency motor 21, variable-frequency motor drives reel 7 and rotates through coupler 14, main shaft 3 again by the worm type of reduction gearing 15 of belt 19 transmission 1:40, has realized the coiling campaign of metal wire rod, in concrete winding process, must keep the linear speed of wound skein product constant.That is to say that in case selected linear velocity, when reeling this group wire rod, linear velocity remains constant.According to V=ω r, along with the increase of the wound skein product number of turns on the reel, radius r increases, and V is constant for retention wire speed, and then angular velocity omega must reduce gradually.Obviously, the winding displacement motion and the motion of reeling must be coordinated mutually, and these are just assigned to realize by electrical control division.
According to Fig. 2 as seen, the PLC Programmable Logic Controller is realized the centralized control to stepping motor and variable-frequency motor.Concrete control process can be divided into two parts: first, by the coder that is contained in respectively on guide wheel and the retarder the real-time detected data-signal in scene is flowed to PLC, carry out computing, check, check and correction by PLC, PLC controls frequency converter according to the result of computing, again by the Frequency Converter Control variable-frequency motor, realize the infinite speed variation of variable-frequency motor, to keep the linear velocity constant of wound skein product.In control of the present utility model, what PLC sent and received is digital signal, and frequency converter sends and what receive is analog signal, thereby has adopted a 3A module to realize the D/A conversion of signal between PLC and frequency converter.Second portion, rotating speed according to reel comes the control step motor by PLC, the rule of a line footpath of movable workbench stroke when stepping motor turns around according to reel, drive ball-screw and realize the sway of bench board, winding displacement motion and coiling motion have realized closely cooperating, co-ordination thereby make.In the utility model, in PLC plug-in a 1PG module, be used for realizing the distribution of the step-by-step impulse of drive stepping motor.
The utility model operates steadily, and the coiling effect is satisfactory, and work efficiency greatly improves, and product quality rises greatly, and labor strength alleviates.The utility model has the production promotional value very much, has very open market outlook.