Summary of the invention
The present invention be directed to the problems referred to above that existing technology exists, the cutting machine of a kind of sofa tooth bar packing with plastic tape is provided, technical problem to be solved by this invention is: the versatility that how to improve this cutting machine.
Object of the present invention can realize by following technical proposal:
The cutting machine of plastic tape for a kind of sofa tooth bar packing, described cutting machine comprises frame, described frame along continuous straight runs is fixed with a cutting bed, it is characterized in that, on described cutting bed, be installed with a draw-gear, described draw-gear comprises the first side plate and the second side plate vertically arranging, the lower end of the lower end of described the first side plate and the second side plate is all fixed on described cutting bed, between described the first side plate and the second side plate, by some cross bars, be connected mutually, on described the first side plate and the second side plate, slidably connect respectively can be vertically mobile slide block one and slide block two, described draw-gear also comprises driving shaft and the driven shaft that along continuous straight runs arranges, the outer end of described driving shaft is through described the first side plate and be fixedly connected with a driving gear, on described cutting bed, be fixed with a drive unit one that can drive described driving gear to rotate, the inner of described driving shaft is through described the second side plate and be fixedly connected with a roller one, the outer end of described driven shaft is through described slide block one and be fixedly connected with a driven gear, described driven gear be meshed with described driving gear and both shapes identical, the other end of described driven shaft is through described slide block two and be fixedly connected with a roller two, and described roller one has the gap that a described plastic tape of confession passes under described roller two and between both outer peripheral faces, on described cutting bed, be also fixed with a cutter sweep, described cutter sweep comprises two longerons that vertically arrange and a crossbeam that along continuous straight runs arranges, the lower end of described two longerons is all fixed on described cutting bed, and the two ends of described crossbeam are connected mutually with the upper end of described two longerons respectively, described cutter sweep also comprises a cutting knife being arranged on described crossbeam, is also fixed with the drive unit two for driving described cutting knife vertically to move back and forth on described crossbeam, is installed with a cutting plate under described cutting knife, between described cutter sweep and described draw-gear, be also provided with one for plastic tape being guided to the guide frame on described cutting plate.
Its operation principle is as follows: during cutting, plastic tape one end of entire volume is positioned between roller one and roller two, then by drive unit one, drives driving gear to rotate, thereby make roller one rotation; Because driven gear is meshed with driving gear, thereby therefore driven gear can rotate backward roller two and roller one are rotated backward, and roller one with roller two identical with the tangential velocity direction at plastic tape contact point place, therefore, can drive plastic tape to move by the friction between roller one, roller two and plastic tape, by guide frame, plastic tape is drawn to cutting plate, then by drive unit two, drive cutting knife cutting plastic tape, thereby realize the cutting of cutting belt; In the present invention, why can draw plastic tape with the rotation of roller two by roller one and move, be to be based upon for being wound around the plastic tape self of sofa tooth bar to have under the prerequisite of certain degree of hardness, and its effect is better; And innovative point of the present invention is, roller two is slided and is arranged by slide block one, slide block two and the first side plate, the second side plate, can regulate by adjusting slider one, slide block two upper-lower position of roller two, thereby regulate the gap size between roller two and roller one, can regulate gap size according to different customer demands, make this cutting machine can cut the plastic tape of different-thickness, the versatility that improves this cutting machine, reduces production costs.
In above-mentioned sofa tooth bar packing, use in the cutting machine of plastic tape, on the plate face of described the first side plate and the plate face of the second side plate, offer respectively an OBL opening one and opening two, the length direction of described opening one and opening two all vertically arranges, the both sides of described slide block one offer the chute one being slidably connected with described opening one sidewall, and the both sides of described slide block two offer the chute two being slidably connected with described opening two sidewalls; The upper surface of described the first side plate offers a through hole one being connected with described opening one, and the upper surface of described the second side plate offers a through hole two being connected with described opening two; Interior screw rod one and the screw rod two of being threaded respectively of described through hole one and through hole two, the lower end of described screw rod one spring base that is connected, in described opening one, be provided with a spring, the upper end of described spring is connected mutually with described spring base, and the lower end of described spring is connected mutually with the upper end of described slide block one.When need to regulate between roller one and roller two gap size time, can turn screw rod one and screw rod two, thus the upper-lower position of regulating spring seat regulates the upper and lower displacement of roller two; And be connected with slide block one by spring due to spring base, can guarantee that driven gear guarantees engagement with driving gear all the time under the active force of spring, avoid both to reduce to cause the problem of mutual slippage because of the field of conjugate action, improve the operation stability of this cutting machine.
In above-mentioned sofa tooth bar packing, with in the cutting machine of plastic tape, described roller one adopts metal to make, and described roller two is adopted made of plastic, and on the periphery of described roller two, offers an annular groove.Roller two is adopted the frictional force increasing between roller two and plastic tape made of plastic, guarantees stability and continuity that plastic tape transports.
In above-mentioned sofa tooth bar packing, with in the cutting machine of plastic tape, described drive unit one comprises a stepper motor being fixed on described cutting bed, and the output of described stepper motor is connected with described driving gear by a rotating shaft.Drive unit one is designed to stepper motor, can be by regulating the step angle of stepper motor regulate the length of cutting plastic tape, and then make this cutting machine can cut the plastic tape of all lengths, improve the versatility of this cutting machine.
In above-mentioned sofa tooth bar packing, use in the cutting machine of plastic tape, described drive unit two comprises a cylinder vertically arranging, described cylinder comprises cylinder body and is inserted in the piston rod in this cylinder body, described cylinder body is fixed on described crossbeam, and described piston rod passes described crossbeam and is connected with described cutting knife.Piston rod moves back and forth band cutting blade and vertically moves, thereby plastic tape is cut; And cylinder can be realized by cooperations such as single-chip microcomputer or PLC with coordinating of stepper motor, this part belongs to those skilled in the art's common practise, and not in this to go forth.
In above-mentioned sofa tooth bar packing, with in the cutting machine of plastic tape, described drive unit also comprises upper junction plate and the lower connecting plate being mutually connected, the equal along continuous straight runs setting of described upper junction plate and lower connecting plate; Described upper junction plate is connected mutually with the lower end of described piston rod, on described upper junction plate, offer at least two upper pilot holes, in described upper pilot hole, be fixed with upper guide bush, in described upper guide bush, slidably connect top guide bar, described top guide bar vertically arranges and the upper end of this top guide bar is connected with described crossbeam; Described lower connecting plate is connected mutually with described cutting knife, on the plate face of described lower connecting plate, also offer at least two lower pilot holes, in described lower pilot hole, slidably connect lower guide rod, described lower guide rod vertically arranges and the lower end of this lower guide rod is connected with described cutting plate.Be designed with after top guide bar and lower guide rod, when piston rod drives cutting knife to move up and down by upper junction plate, lower connecting plate, can play good guide effect, guarantee the accuracy of cutting knife running orbit, avoid offset tool to cause plastic tape otch inhomogeneous, improve the quality of plastic tape finished product.
In above-mentioned sofa tooth bar packing, use in the cutting machine of plastic tape, the lower face of described cutting plate is connected with two pedestals, described two pedestals are strip and are arranged in parallel, the length direction of described two pedestals is identical with the length direction of described frame, and has space between described two pedestals.
In above-mentioned sofa tooth bar packing, use in the cutting machine of plastic tape, described guide frame comprises stock guide one and the stock guide two that equal along continuous straight runs arranges, described stock guide one and stock guide two be interior all offers the material guide hole passing for plastic tape, the also along continuous straight runs setting of the length direction of described material guide hole; The centerline collineation of the center line of described stock guide one and stock guide two, and the inner of described stock guide one is positioned at the left side in described gap, and the inner of described stock guide two is positioned at the right side in described gap, and the outer end of described stock guide two is fixed on described cutting plate.Be designed with stock guide one and stock guide two, plastic tape can first guide in the gap between roller one and roller two through stock guide one, then by stock guide two, guiding to cutting plate place cuts, make the movement locus of plastic tape accurate, both guarantee normally transporting of plastic tape, and can improve again the cutting accuracy of cutting machine.
In above-mentioned sofa tooth bar packing, use in the cutting machine of plastic tape, described cutting machine also comprises a pay-off, described pay-off comprises the base that is positioned at described frame left side, on described base, rotate and be provided with a rotating disk, described rotating disk is vertically installed with some winding bars, described some winding bars are circumferentially uniformly distributed along described rotating disk, and described plastic tape can be wound on described winding bar.Be designed with after rotating disk, plastic tape can be wound on winding bar, then one end of plastic tape is positioned in the gap between roller one and roller two in the lump by stock guide, during stepper motor running, can drive dial rotation, simultaneously plastic tape is constantly transported to cutting plate place through the traction of roller one, roller two and cuts.
In above-mentioned sofa tooth bar packing, use in the cutting machine of plastic tape, described cutting machine control circuit comprises for cutting off the shutdown switch SB1 of cutting machine power supply, for starting the starting switch SB2 of cutting machine work, relay K M, for exporting the controllor for step-by-step motor of control signal control step motor driver output signal, stepper motor driver for output pulse signal control step machine operation, rotary knob SB3, contactor KA1, contactor KA2, magnetic valve YV, travel switch SQ and stepper motor M, described controllor for step-by-step motor is connected with stepper motor driver, one end of described shutdown switch SB1 is the hot terminal of this control circuit, the other end of described shutdown switch SB1 is connected with one end of starting switch SB2, described relay K M comprises normal open switch KM-1, normal open switch KM-2 and normal open switch KM-3, the other end of described starting switch SB2 is connected with coil one end of relay K M, described relay K M normal open switch KM-1 is connected in parallel on the two ends of starting switch SB2, one end of described relay K M normal open switch KM-2 is connected with the hot terminal of shutdown switch SB1, the other end of described relay K M normal open switch KM-2 is connected with controllor for step-by-step motor, one end of described relay K M normal open switch KM-3 is connected with the hot terminal of shutdown switch SB1, the other end of described normal open switch KM-3 is connected with stepper motor driver, one end of described rotary knob SB3 is connected with the hot terminal of shutdown switch SB1, the other end of described rotary switch SB3 is connected with Chang Kaiduan one end of travel switch SQ, the control circuit of this automatic gas cutting machine also comprises for measuring the counter PC of cutting machine cutting knife number of times, described counter one end is connected with the hot terminal of shutdown switch SB1, described counter PC also comprises a normal open switch, the other end of described travel switch SQ Chang Kaiduan is connected with normally closed switch one end of counter PC, the other end of described counter PC normally closed switch is connected with coil one end of contactor KA1, the output of described controllor for step-by-step motor is connected with coil one end of contactor KA2, the output of described stepper motor driver is connected with normal open switch one end of contactor KA1, the other end of described contactor KA1 normal open switch is connected with stepper motor M, normal open switch one end of described contactor KA2 is connected with the hot terminal of shutdown switch SB1, the other end of described contactor KA2 normal open switch is connected with magnetic valve YV coil one end, the other end of described magnetic valve YV coil, the other end of contactor KA1 coil, the other end of contactor KA2 coil, controllor for step-by-step motor, stepper motor driver, counter PC, the other end of relay K M coil interconnects and is connected with zero line.
When cutting machine is worked, workman presses starting switch SB1, relay K M coil obtains electric, relay K M normal open switch KM-1, normal open switch KM-2 and normal open switch KM-3 adhesive, normal open switch KM-1 adhesive forms self-locking, normal open switch KM-2 obtains electric, controllor for step-by-step motor obtains electric, normal open switch KM-3 obtains electric, stepper motor driver obtains electric, controllor for step-by-step motor output electrical signals control contactor KA2 coil obtains electric, magnetic valve YV coil is connected in the adhesive of contactor KA2 normal open switch, magnetic valve YV obtains electric cylinder charge and moves upward, now touch travel switch SQ, the normal open switch adhesive of travel switch SQ, press rotary knob SB3, contactor KA1 coil obtains electric, contactor KA1 normal open switch is connected stepper motor driver and stepper motor M, controllor for step-by-step motor control step motor driver output setting pulse signal Driving Stepping Motor M work, cladding arrives appropriate location exhaust hood and moves downward, travel switch SQ normal open switch disconnects, contactor KA1 coil blackout stepper motor M quits work, cut skin, this hour counter PC carries out technology, in counter PC, set counts, when cutting machine is cut skin number of times and is reached in counter PC set point number, the normally closed switch of counter PC disconnects, now contactor KA1 coil keeps power-off, automatic gas cutting machine is cut skin and is completed.
In above-mentioned sofa tooth bar packing, with in the cutting machine of plastic tape, on described counter PC, be provided with SR.After pressing SR, the zero clearing of counter PC count resets, normally closed switch is again closed.
In above-mentioned sofa tooth bar packing, with in the cutting machine of plastic tape, the hot terminal of described shutdown switch SB1 is connected with fuse FU one end, and the other end of fuse FU is connected with live wire.Avoid overload to burn out components and parts.
In above-mentioned sofa tooth bar packing, with in the cutting machine of plastic tape, in described controllor for step-by-step motor, be provided with rectification voltage reduction module.Controller needs 6V dc source, therefore, need to carry out rectification step-down.
In above-mentioned sofa tooth bar packing, with in the cutting machine of plastic tape, the model of described controllor for step-by-step motor is SCC-01, and the model of described stepper motor driver is DR-7022.
Compared with prior art, the present invention has the following advantages:
1, roller two of the present invention is slided and is arranged by slide block one, slide block two and the first side plate, the second side plate, can regulate by adjusting slider one, slide block two upper-lower position of roller two, thereby regulate the gap size between roller two and roller one, can be according to different customer demands, regulate gap size, make this cutting machine can cut the plastic tape of different-thickness, improve the versatility of this cutting machine, reduce production costs;
2, because spring base is connected with slide block one by spring, can guarantee that driven gear guarantees engagement with driving gear all the time under the active force of spring, avoid both to reduce to cause the problem of mutual slippage because of the field of conjugate action, improve the operation stability of this cutting machine;
3, drive unit one is designed to stepper motor, can be by regulating the step angle of stepper motor regulate the length of cutting plastic tape, and then make this cutting machine can cut the plastic tape of all lengths, improve the versatility of this cutting machine;
4, be designed with after top guide bar and lower guide rod, when piston rod drives cutting knife to move up and down by upper junction plate, lower connecting plate, can play good guide effect, guarantee the accuracy of cutting knife running orbit, avoid offset tool to cause plastic tape otch inhomogeneous, improve the quality of plastic tape finished product;
5, be designed with after rotating disk, plastic tape can be wound on winding bar, then one end of plastic tape is positioned in the gap between roller one and roller two in the lump by stock guide, during stepper motor running, can drive dial rotation, simultaneously plastic tape is constantly transported to cutting plate place through the traction of roller one, roller two and cuts.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figures 1 to 5, this cutting machine comprises frame 1, frame 1 along continuous straight runs is fixed with a cutting bed 2, on cutting bed 2, be installed with a draw-gear, draw-gear comprises the first side plate 3 and the second side plate 4 vertically arranging, on the cutting bed 2 that the lower end of the lower end of the first side plate 3 and the second side plate 4 is all fixed on, between the first side plate 3 and the second side plate 4, by some cross bars 5, be connected mutually, on the first side plate 3 and the second side plate 4, slidably connect respectively can be vertically mobile slide block 1 and slide block 27.Specifically, on the plate face of the plate face of the first side plate 3 and the second side plate 4, offer respectively an OBL opening 1 and opening 2 20, the length direction of opening 1 and opening 2 20 all vertically arranges, the both sides of slide block 1 offer the chute 1 being slidably connected with opening one 19 sidewalls, and the both sides of slide block 27 offer the chute two being slidably connected with opening 2 20 sidewalls; The upper surface that the upper surface of the first side plate 3 offers through hole one, the second side plate 4 being connected with opening 1 offers a through hole two being connected with opening 2 20; Interior screw rod 1 and the screw rod 2 24 of being threaded respectively of through hole one and through hole two, the lower end of screw rod 1 spring base 25 that is connected, in opening 1, be provided with a spring 26, the upper end of spring 26 is connected mutually with spring base 25, and the lower end of spring 26 is connected mutually with the upper end of slide block 1.
As shown in Figures 1 to 5, draw-gear also comprises driving shaft 8 and the driven shaft 9 that along continuous straight runs arranges, the outer end of driving shaft 8 is through the first side plate 3 and be fixedly connected with a driving gear 10, on cutting bed 2, be fixed with a drive unit one that can drive driving gear 10 to rotate, in the present embodiment, drive unit one comprises a stepper motor 27 being fixed on cutting bed 2, the output of stepper motor 27 is connected with driving gear 10 by a rotating shaft 28, as other scheme, also drive unit one can be designed to other motor.The inner of driving shaft 8 is through the second side plate 4 and be fixedly connected with a roller 1, and roller 1 adopts metal to make; The outer end of driven shaft 9 is through slide block 1 and be fixedly connected with a driven gear 12, driven gear 12 be meshed with driving gear 10 and both shapes identical, the other end of driven shaft 9 is through slide block 27 and be fixedly connected with a roller 2 13, roller 2 13 is adopted made of plastic, and on the periphery of roller 2 13, offers an annular groove roller 1 and under roller 2 13 and between both outer peripheral faces, have a gap 14 of passing for plastic tape 22.
As shown in Figures 1 to 5, on cutting bed 2, be also fixed with a cutter sweep, cutter sweep comprises two longerons 15 that vertically arrange and a crossbeam 16 that along continuous straight runs arranges, the lower end of two longerons 15 is all fixed on cutting bed 2, and the two ends of crossbeam 16 are connected mutually with the upper end of two longerons 15 respectively; Cutter sweep also comprises a cutting knife 17 being arranged on crossbeam 16, is also fixed with the drive unit two for driving cutting knife 17 vertically to move back and forth on crossbeam 16, is installed with a cutting plate 18 under cutting knife 17.In the present embodiment, drive unit two comprises a cylinder vertically arranging, and cylinder comprises cylinder body 29 and be inserted in the piston rod 30 in this cylinder body 29, and on the crossbeam 16 that cylinder body 29 is fixed on, piston rod 30 is through crossbeam 16 and be connected with cutting knife 17.Specifically, drive unit also comprises upper junction plate 31 and the lower connecting plate 32 being mutually connected, upper junction plate 31 and the equal along continuous straight runs setting of lower connecting plate 32; Upper junction plate 31 is connected mutually with the lower end of piston rod 30, on upper junction plate 31, offer at least two upper pilot holes, in upper pilot hole, be fixed with upper guide bush, slidably connect top guide bar 33 in upper guide bush, top guide bar 33 vertically arranges and the upper end of this top guide bar 33 is connected with crossbeam 16; Lower connecting plate 32 is connected mutually with cutting knife 17, also offers at least two lower pilot holes on the plate face of lower connecting plate 32, in lower pilot hole, slidably connects lower guide rod 34, and lower guide rod 34 vertically arranges and the lower end of this lower guide rod 34 is connected with cutting plate 18.The lower face of cutting plate 18 is connected with 35, two pedestals 35 of two pedestals and is strip and is arranged in parallel, and the length direction of two pedestals 35 is identical with the length direction of frame 1, and has space between two pedestals 35.Wherein, drive unit two also can adopt oil cylinder to realize.
As shown in Figures 1 to 5, between cutter sweep and draw-gear, be also provided with one for plastic tape 22 is guided to the guide frame on cutting plate 18.In the present embodiment, guide frame comprises stock guide 1 and the stock guide 2 37 that equal along continuous straight runs arranges, and stock guide 1 and stock guide 2 37 be interior all offers the material guide hole passing for plastic tape 22, the also along continuous straight runs setting of the length direction of material guide hole; The centerline collineation of the center line of stock guide 1 and stock guide 2 37, and the inner of stock guide 1 is positioned at the left side in gap 14, and the inner of stock guide 2 37 is positioned at the right side in gap 14, and the outer end of stock guide 2 37 is fixed on cutting plate 18.As other scheme, also guide frame can be designed to two elongated plates, baffle plate is set in the both sides of elongated plates plastics are taken up to a position-limiting action, be similar to the effect of track, can realize equally the object of guiding.
As shown in Figure 1, cutting machine also comprises a pay-off, pay-off comprises the base 38 that is positioned at frame 1 left side, on base 38, rotate and be provided with a rotating disk 39, rotating disk 39 is vertically installed with some winding bars 40, some winding bars 40 are circumferentially uniformly distributed along rotating disk 39, and plastic tape 22 can be wound on winding bar 40.
Operation principle of the present invention is as follows: during cutting, plastic tape one end of entire volume is positioned between roller one and roller two, then by drive unit one, drives driving gear to rotate, thereby make roller one rotation; Because driven gear is meshed with driving gear, thereby therefore driven gear can rotate backward roller two and roller one are rotated backward, and roller one with roller two identical with the tangential velocity direction at plastic tape contact point place, therefore, can drive plastic tape to move by the friction between roller one, roller two and plastic tape, by guide frame, plastic tape is drawn to cutting plate, then by drive unit two, drive cutting knife cutting plastic tape, thereby realize the cutting of cutting belt.Because roller two is slided and arranged by slide block one, slide block two and the first side plate, the second side plate, can regulate by adjusting slider one, slide block two upper-lower position of roller two, thereby regulate the gap size between roller two and roller one, can be according to different customer demands, regulate gap size, make this cutting machine can cut the plastic tape of different-thickness, improve the versatility of this cutting machine, reduce production costs.
As shown in Figure 6, this cutting machine control circuit comprises for cutting off the shutdown switch SB1 of cutting machine power supply, for starting the starting switch SB2 of cutting machine work, relay K M, for exporting the controllor for step-by-step motor of control signal control step motor driver output signal, stepper motor driver for output pulse signal control step machine operation, rotary knob SB3, contactor KA1, contactor KA2, magnetic valve YV, travel switch SQ and stepper motor M, controllor for step-by-step motor is connected with stepper motor driver, one end of shutdown switch SB1 is the hot terminal of this control circuit, the other end of shutdown switch SB1 is connected with one end of starting switch SB2, relay K M comprises normal open switch KM-1, normal open switch KM-2 and normal open switch KM-3, the other end of starting switch SB2 is connected with coil one end of relay K M, relay K M normal open switch KM-1 is connected in parallel on the two ends of starting switch SB2, one end of relay K M normal open switch KM-2 is connected with the hot terminal of shutdown switch SB1, the other end of relay K M normal open switch KM-2 is connected with controllor for step-by-step motor, one end of relay K M normal open switch KM-3 is connected with the hot terminal of shutdown switch SB1, the other end of normal open switch KM-3 is connected with stepper motor driver, one end of rotary knob SB3 is connected with the hot terminal of shutdown switch SB1, the other end of rotary switch SB3 is connected with Chang Kaiduan one end of travel switch SQ, the control circuit of this automatic gas cutting machine also comprises for measuring the counter PC of cutting machine cutting knife number of times, counter one end is connected with the hot terminal of shutdown switch SB1, counter PC also comprises a normal open switch, the other end of travel switch SQ Chang Kaiduan is connected with normally closed switch one end of counter PC, the other end of counter PC normally closed switch is connected with coil one end of contactor KA1, the output of controllor for step-by-step motor is connected with coil one end of contactor KA2, the output of stepper motor driver is connected with normal open switch one end of contactor KA1, the other end of contactor KA1 normal open switch is connected with stepper motor M, normal open switch one end of contactor KA2 is connected with the hot terminal of shutdown switch SB1, the other end of described contactor KA2 normal open switch is connected with magnetic valve YV coil one end, the other end of described magnetic valve YV coil, the other end of contactor KA1 coil, the other end of contactor KA2 coil, controllor for step-by-step motor, stepper motor driver, counter PC, the other end of relay K M coil interconnects and is connected with zero line, on counter PC, be provided with SR, the hot terminal of shutdown switch SB1 is connected with fuse FU one end, the other end of fuse FU is connected with live wire, in controllor for step-by-step motor, be provided with rectification voltage reduction module, the model of controllor for step-by-step motor is SCC-01, the model of described stepper motor driver is DR-7022.
The control circuit operation principle of this automatic gas cutting machine is as follows: when cutting machine is worked, workman presses starting switch SB1, relay K M coil obtains electric, relay K M normal open switch KM-1, normal open switch KM-2 and normal open switch KM-3 adhesive, normal open switch KM-1 adhesive forms self-locking, normal open switch KM-2 obtains electric, controllor for step-by-step motor obtains electric, normal open switch KM-3 obtains electric, stepper motor driver obtains electric, controllor for step-by-step motor output electrical signals control contactor KA2 coil obtains electric, magnetic valve YV coil is connected in the adhesive of contactor KA2 normal open switch, magnetic valve YV obtains electric cylinder charge and moves upward, now touch travel switch SQ, the normal open switch adhesive of travel switch SQ, press rotary knob SB3, contactor KA1 coil obtains electric, contactor KA1 normal open switch is connected stepper motor driver and stepper motor M, controllor for step-by-step motor control step motor driver output setting pulse signal Driving Stepping Motor M work, cladding arrives appropriate location exhaust hood and moves downward, travel switch SQ normal open switch disconnects, contactor KA1 coil blackout stepper motor M quits work, cut skin, this hour counter PC carries out technology, in counter PC, set counts, when cutting machine is cut skin number of times and is reached in counter PC set point number, the normally closed switch of counter PC disconnects, now contactor KA1 coil keeps power-off, automatic gas cutting machine is cut skin and is completed, when needs are cut skin again, workman presses the SR on counter PC, the reset normally closed switch of counter PC of counter PC zero clearing is again closed, cutting machine restarts automatic peel cutting, due to the rated voltage of the inner single-chip microcomputer of the controllor for step-by-step motor direct current that is 6V, and the working power of this control circuit is 220V alternating current, in controllor for step-by-step motor, be provided with rectification voltage reduction module, the dc source that 220V AC power is transformed into 6V is controllor for step-by-step motor power supply, after design, this control circuit can pass through relay, contactor, counter, the components and parts such as controllor for step-by-step motor and stepper motor driver cooperatively interact and realize the automatic peel cutting of cutting machine, utilize the characteristic of stepper motor to improve the accuracy of cutting skin, cutting knife number of times is set in counter and improves the intelligentized percent defective that simultaneously greatly reduces of cutting machine.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.