CN103522322B - Cutting machine of plastic tape for sofa rack packaging - Google Patents
Cutting machine of plastic tape for sofa rack packaging Download PDFInfo
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- CN103522322B CN103522322B CN201310496297.0A CN201310496297A CN103522322B CN 103522322 B CN103522322 B CN 103522322B CN 201310496297 A CN201310496297 A CN 201310496297A CN 103522322 B CN103522322 B CN 103522322B
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Abstract
The invention provides a cutting machine of a plastic tape for sofa rack packaging, and belongs to the technical field of machines. The cutting machine solves the technical problem that an existing cutting machine is poor in universality. The cutting machine comprises a machine frame and a cutting platform. A traction device is fixedly arranged on the cutting platform and comprises a first side plate and a second side plate, and the first side plate and the second side plate are in sliding connection with a first sliding block and a second sliding block respectively. The outer end of a drive shaft penetrates through the first side plate and is connected with a drive gear, and the inner end of the drive shaft penetrates through the second side plate and is connected with a first idler wheel. The outer end of a driven shaft penetrates through the first sliding block and is connected with a driven gear, the driven gear is meshed with the drive gear, the other end of the driven shaft penetrates through the second sliding block and is connected with a second idler wheel, and a gap through which the plastic tape can pass is formed between the first idler wheel and the second idler wheel. A cutting device is fixed on the cutting platform and comprises two longitudinal beams and one beam, and a cutter is arranged on the beam. The cutting machine has the advantages of being good in universality and high in degree of automation.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of cutting machine of sofa tooth bar packaging plastic tape.
Background technology
Tooth bar is part conventional on sofa, leather on fixing sofa and hammered into sofa yoke, it is by a flat iron sheet by being processed to form the countless taper spine vertical with iron sheet, and the spacing between the entire length of tooth bar and taper spine can customer requirement regulate.In the production process of sofa, tooth bar usually need with plastic sheath with the use of, be set in plastic sheath by rack tube, thus one is risen hammer on sofa.But in the prior art, tooth bar is directly set on plastic sheath, the relative tooth bar of plastic sheath will be made like this to be moved, to affect the function of tooth bar.So, for those skilled in the art, need to develop and a kind ofly plastic sheath can be fixed on device on tooth bar or equipment, can not relatively be moved by tooth bar to make plastic sheath.Applicant finds under study for action, plastic tape and tooth bar generation relative movement is avoided by being wound in by plastic tape on tooth bar, and in this operation of cutting cutting of plastic tape, a lot of producer is still by manually having come, this not only makes production efficiency low, and artificial cutting plastic tape dimensional accuracy out differs, and is difficult to meet standard.
China patent CN 203158301 discloses a kind of packaging endless belt and automatically scalds sanction machine, its structure is set side by side with two plastic tape roller bearings in the both sides, upper end of frame, the middle part of described frame is provided with plastic tape draw-off mechanism, the sidepiece of described plastic tape draw-off mechanism is provided with synchronous Tang Cai mechanism, described synchronous Tang Cai mechanism comprises cylinder and is arranged on the cutter head of cylinder head portions, the upper and lower of described cutter head is provided with the heating wire for boiling hot band, and the middle part of described cutter head is provided with the blade for cutting out band.This packaging endless belt scalds sanction machine structure simply automatically, and production efficiency is high.
But, in above-mentioned patent for tractive plastic tape two roller bearings between distance non-adjustable, therefore, can only by the fixing plastic tape of thickness, versatility is poor.And in actual production process, producer often needs for different clients to design the plastic tape of dimension, therefore, a corresponding needs cutting machine that can cut any thickness plastic tape is to reduce the production cost of producer.
Summary of the invention
The present invention be directed to the problems referred to above that existing technology exists, provide a kind of cutting machine of sofa tooth bar packaging plastic tape, technical problem to be solved by this invention is: the versatility how improving this cutting machine.
Object of the present invention realizes by following technical proposal:
A kind of cutting machine of sofa tooth bar packaging plastic tape, described cutting machine comprises frame, described frame is fixed with a cutting bed in the horizontal direction, it is characterized in that, described cutting bed is installed with a draw-gear, described draw-gear comprises the first side plate and the second side plate that vertically arrange, the lower end of described first side plate and the lower end of the second side plate are all fixed on described cutting bed, be connected mutually by some cross bars between described first side plate and the second side plate, described first side plate and the second side plate slidably connect respectively can the slide block one of vertically movement and slide block two, described draw-gear also comprises the driving shaft and driven shaft that arrange in the horizontal direction, the outer end of described driving shaft is passed described first side plate and is fixedly connected with a driving gear, described cutting bed is fixed with a drive unit one that described driving gear can be driven to rotate, the inner of described driving shaft is passed described second side plate and is fixedly connected with a roller one, the outer end of described driven shaft is passed described slide block one and is fixedly connected with a driven gear, described driven gear is meshed with described driving gear and both shapes are identical, the other end of described driven shaft passes described slide block two and is fixedly connected with a roller two, and described roller one has the gap that a described plastic tape of confession passes immediately below described roller two and between both outer peripheral faces, described cutting bed is also fixed with a cutter sweep, described cutter sweep comprises two longerons vertically arranged and a crossbeam arranged in the horizontal direction, 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 be arranged on described crossbeam, described crossbeam is also fixed with the drive unit two for driving described cutting knife vertically to move back and forth, and is installed with a cutting plate immediately below described cutting knife, one is also provided with for plastic tape being guided to the guide frame on described cutting plate between described cutter sweep and described draw-gear.
Its operation principle is as follows: during cutting, is positioned between roller one and roller two, then drives driving gear to rotate by drive unit one by plastic tape one end of entire volume, thus makes roller one rotation; Because driven gear is meshed with driving gear, therefore driven gear can rotate backward thus roller two and roller one are rotated backward, and roller one and roller two are identical with the tangential velocity direction at plastic tape contact point place, therefore, plastic tape is driven to move by roller one, friction between roller two and plastic tape, by guide frame, plastic tape is drawn on cutting plate, then drive cutting knife to cut plastic tape by drive unit two, thus realize the cutting of cutting belt; Why can draw plastic tape by roller one with the rotation of roller two in the present invention to move, be that under the plastic tape self be based upon for being wound around sofa tooth bar has the prerequisite of certain degree of hardness, its effect is better; And innovative point of the present invention is, roller two is slided by slide block one, slide block two and the first side plate, the second side plate and arranges, the upper-lower position of roller two is regulated by adjusting slider one, slide block two, thus regulate the gap size between roller two and roller one, according to different customer demands, gap size can be regulated, enables this cutting machine cut the plastic tape of different-thickness, improve the versatility of this cutting machine, reduce production cost.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, the plate face of described first side plate and the plate face of the second side plate offer an OBL opening one and opening two respectively, the length direction of described opening one and opening two is all vertically arranged, the both sides of described slide block one offer the chute one be slidably connected with described opening one sidewall, and the both sides of described slide block two offer the chute two be connected with described opening two side walls; The upper surface of described first side plate offers a through hole one be connected with described opening one, and the upper surface of described second side plate offers a through hole two be connected with described opening two; Be threaded in described through hole one and through hole two screw rod one and screw rod two respectively, the lower end of described screw rod one is connected a spring base, a spring is provided with in described opening one, 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 needing to regulate the gap size between roller one and roller two, can turn screw rod one and screw rod two, thus the upper-lower position of regulating spring seat, namely regulate the upper and lower displacement of roller two; And be connected with slide block one by spring due to spring base, can ensure that driven gear ensures to engage with driving gear under the force of a spring all the time, avoid both to cause the problem of mutual slippage because the field of conjugate action reduces, improve the operation stability of this cutting machine.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described roller one adopts metal to make, and described roller two is adopted made of plastic, and the periphery of described roller two offers an annular groove.Roller two adopts the frictional force increased between roller two and plastic tape made of plastic, ensures the stability that plastic tape transports and continuity.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described drive unit one comprises a stepper motor be 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, by the length regulating the step angle of stepper motor to regulate cutting plastic tape, and then enables this cutting machine cut the plastic tape of various length, improve the versatility of this cutting machine.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described drive unit two comprises a cylinder vertically arranged, 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, thus cuts plastic tape; And cylinder and coordinating of stepper motor coordinate to realize by single-chip microcomputer or PLC etc., this part belongs to the common practise of those skilled in the art, and not in this to go forth.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described drive unit two also comprises the upper junction plate and lower connecting plate that are mutually connected, and described upper junction plate and lower connecting plate are arranged all in the horizontal direction; Described upper junction plate is connected mutually with the lower end of described piston rod, described upper junction plate offers at least two upper pilot holes, described upper pilot hole internal fixtion has upper guide bush, slidably connect top guide bar in described upper guide bush, described top guide bar is vertically arranged 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, the plate face of described lower connecting plate also offers at least two lower pilot holes, slidably connect lower guide rod in described lower pilot hole, described lower guide rod is vertically arranged and the lower end of this lower guide rod is connected with described cutting plate.After being designed with 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, good guide effect can be played, ensure the accuracy of cutting knife running orbit, avoid offset tool to cause plastic tape otch uneven, improve the quality of plastic tape finished product.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, the lower face of described cutting plate is connected with two pedestals, described two pedestals are strip and 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 the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described guide frame comprises the stock guide one and stock guide two that arrange all in the horizontal direction, all offer the material guide hole passed for plastic tape in described stock guide one and stock guide two, the length direction of described material guide hole is also arranged in the horizontal direction; The center line of described stock guide one and the centerline collineation of stock guide two, and the inner of described stock guide one is positioned at the left side in described gap, 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 roller one and roller two through stock guide one, then guide to cutting plate place by stock guide two to cut, make the movement locus of plastic tape accurate, both ensure that the normal transport of plastic tape, the cutting accuracy of cutting machine can have been improved again.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described cutting machine also comprises a pay-off, described pay-off comprises the base be positioned on the left of described frame, described base rotates and is provided with a rotating disk, described rotating disk is vertically installed with some winding bars, described some winding bars are uniformly distributed along the circumference of described rotating disk, and described plastic tape can be wound on described winding bar.After being designed with 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 by stock guide in the lump, 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 the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described cutting machine control circuit comprises the shutdown switch SB1 for cutting off 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, for the stepper motor driver of 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 SB 1, 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 knob SB3 is connected with Chang Kaiduan one end of travel switch SQ, the control circuit of this automatic gas cutting machine also comprises the counter PC for measuring 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 described other end of travel switch SQ Chang Kaiduan is connected with normally closed switch one end of counter PC, the described other end of 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 is interconnected and is connected with zero line.
When cutting machine works, 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 exports signal of telecommunication control contactor KA2 coil and 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 connects stepper motor driver and stepper motor M, controllor for step-by-step motor control step motor driver exports 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, carry out cutting skin, this hour counter PC carries out technology, counts is set in counter PC, when cutting machine cut skin number of times reach set point number in counter PC time, 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 the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, described counter PC is provided with SR.After pressing SR, counter PC count resets resets, and normally closed switch closes again.
In the cutting machine of above-mentioned sofa tooth bar packaging 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.Overload is avoided to burn out components and parts.
In the cutting machine of above-mentioned sofa tooth bar packaging plastic tape, in described controllor for step-by-step motor, be provided with rectification voltage reduction module.Controller needs 6V dc source, therefore, needs to carry out rectification step-down.
In the cutting machine of above-mentioned sofa tooth bar packaging 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 by slide block one, slide block two and the first side plate, the second side plate and arranges, the upper-lower position of roller two is regulated by adjusting slider one, slide block two, thus regulate the gap size between roller two and roller one, can according to different customer demands, regulate gap size, enable this cutting machine cut the plastic tape of different-thickness, improve the versatility of this cutting machine, reduce production cost;
2, because spring base is connected with slide block one by spring, can ensure that driven gear ensures to engage with driving gear under the force of a spring all the time, avoid both to cause the problem of mutual slippage because the field of conjugate action reduces, improve the operation stability of this cutting machine;
3, drive unit one is designed to stepper motor, by the length regulating the step angle of stepper motor to regulate cutting plastic tape, and then enables this cutting machine cut the plastic tape of various length, improve the versatility of this cutting machine;
4, after being designed with 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, good guide effect can be played, ensure the accuracy of cutting knife running orbit, avoid offset tool to cause plastic tape otch uneven, improve the quality of plastic tape finished product;
5, after being designed with 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 by stock guide in the lump, 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of this cutting machine in embodiment.
Fig. 2 is the structural representation of this draw-gear in embodiment.
Fig. 3 is the structural representation of this cutter sweep in embodiment.
Fig. 4 is the installation diagram of this driven gear and the first side plate in embodiment.
Fig. 5 is the installation diagram of this slide block one and the first side plate in embodiment.
Fig. 6 is the circuit diagram of this cutting machine in embodiment.
In figure, 1, frame; 2, cutting bed; 3, the first side plate; 4, the second side plate; 5, cross bar; 6, slide block one; 7, slide block two; 8, driving shaft; 9, driven shaft; 10, driving gear; 11, roller one; 12, driven gear; 13, roller two; 14, gap; 15, longeron; 16, crossbeam; 17, cutting knife; 18, cutting plate; 19, opening one; 20, opening two; 21, chute one; 22, plastic tape; 23, screw rod one; 24, screw rod two; 25, spring base; 26, spring; 27, stepper motor; 28, rotating shaft; 29, cylinder body; 30, piston rod; 31, upper junction plate; 32, lower connecting plate; 33, top guide bar; 34, lower guide rod; 35, pedestal; 36, stock guide one; 37, stock guide two; 38, base; 39, rotating disk; 40, winding bar.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figures 1 to 5, this cutting machine comprises frame 1, frame 1 is fixed with a cutting bed 2 in the horizontal direction, cutting bed 2 is installed with a draw-gear, draw-gear comprises the first side plate 3 and the second side plate 4 vertically arranged, on the cutting bed 2 that the lower end of the first side plate 3 and the lower end of the second side plate 4 are all fixed on, be connected mutually by some cross bars 5 between first side plate 3 and the second side plate 4, the first side plate 3 and the second side plate 4 slidably connect respectively can the slide block 1 of vertically movement and slide block 27.Specifically, the plate face of the first side plate 3 and the plate face of the second side plate 4 offer an OBL opening 1 and opening 2 20 respectively, the length direction of opening 1 and opening 2 20 is all vertically arranged, the both sides of slide block 1 offer the chute 1 be connected with opening 1 side walls, and the both sides of slide block 27 offer the chute two be connected with opening 2 20 side walls; The upper surface that the upper surface of the first side plate 3 offers the through hole be connected with opening 1 one, second side plate 4 offers a through hole two be connected with opening 2 20; Be threaded in through hole one and through hole two screw rod 1 and screw rod 2 24 respectively, the lower end of screw rod 1 is connected a spring base 25, be provided with a spring 26 in opening 1, 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 the driving shaft 8 and driven shaft 9 that arrange in the horizontal direction, the outer end of driving shaft 8 is passed the first side plate 3 and is fixedly connected with a driving gear 10, cutting bed 2 is fixed with a drive unit one that driving gear 10 can be driven to rotate, in the present embodiment, drive unit one comprises a stepper motor 27 be 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 passed the second side plate 4 and is fixedly connected with a roller 1, and roller 1 adopts metal to make; The outer end of driven shaft 9 is passed slide block 1 and is fixedly connected with a driven gear 12, driven gear 12 is meshed with driving gear 10 and both shapes are identical, the other end of driven shaft 9 passes slide block 27 and is fixedly connected with a roller 2 13, roller 2 13 is adopted made of plastic, and the periphery of roller 2 13 offers an annular groove roller 1 and have a gap 14 passed for plastic tape 22 immediately below roller 2 13 and between both outer peripheral faces.
As shown in Figures 1 to 5, cutting bed 2 is also fixed with a cutter sweep, cutter sweep comprises two longerons vertically arranged 15 and a crossbeam arranged in the horizontal direction 16, 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 be arranged on crossbeam 16, crossbeam 16 is also fixed with the drive unit two for driving cutting knife 17 vertically to move back and forth, and is installed with a cutting plate 18 immediately below cutting knife 17.In the present embodiment, drive unit two comprises a cylinder vertically arranged, the piston rod 30 that cylinder comprises cylinder body 29 and is inserted in this cylinder body 29, and on the crossbeam 16 that cylinder body 29 is fixed on, piston rod 30 passes crossbeam 16 and is connected with cutting knife 17.Specifically, drive unit two also comprises the upper junction plate 31 and lower connecting plate 32 that are mutually connected, and upper junction plate 31 and lower connecting plate 32 are arranged all in the horizontal direction; Upper junction plate 31 is connected mutually with the lower end of piston rod 30, upper junction plate 31 offers at least two upper pilot holes, upper pilot hole internal fixtion has upper guide bush, slidably connects top guide bar 33 in upper guide bush, and top guide bar 33 is vertically arranged 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, the plate face of lower connecting plate 32 also offers at least two lower pilot holes, slidably connects lower guide rod 34 in lower pilot hole, and lower guide rod 34 is vertically arranged and the lower end of this lower guide rod 34 is connected with cutting plate 18.It is arranged in parallel in strip that the lower face of cutting plate 18 is connected with two pedestals, 35, two pedestals 35, 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, one is also provided with between cutter sweep and draw-gear for plastic tape 22 being guided to the guide frame on cutting plate 18.In the present embodiment, guide frame comprises the stock guide 1 and stock guide 2 37 that arrange all in the horizontal direction, and all offer the material guide hole passed for plastic tape 22 in stock guide 1 and stock guide 2 37, the length direction of material guide hole is also arranged in the horizontal direction; The center line of stock guide 1 and the centerline collineation of stock guide 2 37, and the inner of stock guide 1 is positioned at the left side in gap 14, 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 be set in the both sides of elongated plates a position-limiting action is taken up to plastics, be namely similar to the effect of track, the object led can be realized equally.
As shown in Figure 1, cutting machine also comprises a pay-off, pay-off comprises the base 38 be positioned on the left of frame 1, base 38 rotates and is provided with a rotating disk 39, rotating disk 39 is vertically installed with some winding bars 40, some winding bars 40 are uniformly distributed along the circumference of 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, is positioned between roller one and roller two, then drives driving gear to rotate by drive unit one by plastic tape one end of entire volume, thus makes roller one rotation; Because driven gear is meshed with driving gear, therefore driven gear can rotate backward thus roller two and roller one are rotated backward, and roller one and roller two are identical with the tangential velocity direction at plastic tape contact point place, therefore, plastic tape is driven to move by roller one, friction between roller two and plastic tape, by guide frame, plastic tape is drawn on cutting plate, then drive cutting knife to cut plastic tape by drive unit two, thus realize the cutting of cutting belt.Arrange because roller two is slided by slide block one, slide block two and the first side plate, the second side plate, the upper-lower position of roller two is regulated by adjusting slider one, slide block two, thus regulate the gap size between roller two and roller one, can according to different customer demands, regulate gap size, enable this cutting machine cut the plastic tape of different-thickness, improve the versatility of this cutting machine, reduce production cost.
As shown in Figure 6, this cutting machine control circuit comprises the shutdown switch SB1 for cutting off 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, for the stepper motor driver of 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 knob SB3 is connected with Chang Kaiduan one end of travel switch SQ, the control circuit of this automatic gas cutting machine also comprises the counter PC for measuring 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 is interconnected and is connected with zero line, counter PC is 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, rectification voltage reduction module is provided with in controllor for step-by-step motor, 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 works, 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 exports signal of telecommunication control contactor KA2 coil and 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 connects stepper motor driver and stepper motor M, controllor for step-by-step motor control step motor driver exports 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, carry out cutting skin, this hour counter PC carries out technology, counts is set in counter PC, when cutting machine cut skin number of times reach set point number in counter PC time, 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 skin cut again by needs, workman presses the SR on counter PC, counter PC resets and resets, and the normally closed switch of counter PC closes again, cutting machine restarts automatic peel cutting, because the rated voltage of the inner single-chip microcomputer of controllor for step-by-step motor is the direct current of 6V, and the working power of this control circuit is 220V alternating current, rectification voltage reduction module is provided with in controllor for step-by-step motor, dc source 220V AC power being transformed into 6V is that controllor for step-by-step motor is powered, after design, this control circuit is by 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 that cutting machine is intelligentized greatly reduces percent defective simultaneously.
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 amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (5)
1. the cutting machine of a sofa tooth bar packaging plastic tape, described cutting machine comprises frame (1), described frame (1) is fixed with a cutting bed (2) in the horizontal direction, it is characterized in that, described cutting bed (2) is installed with a draw-gear, described draw-gear comprises the first side plate (3) and the second side plate (4) that vertically arrange, the lower end of described first side plate (3) and the lower end of the second side plate (4) are all fixed on described cutting bed (2), be connected mutually by some cross bars (5) between described first side plate (3) and the second side plate (4), described first side plate (3) and the second side plate (4) slidably connect respectively can the slide block one (6) of vertically movement and slide block two (7), described draw-gear also comprises the driving shaft (8) and driven shaft (9) that arrange in the horizontal direction, the outer end of described driving shaft (8) is passed described first side plate (3) and is fixedly connected with a driving gear (10), described cutting bed (2) is fixed with a drive unit one that described driving gear (10) can be driven to rotate, the inner of described driving shaft (8) is passed described second side plate (4) and is fixedly connected with a roller one (11), the outer end of described driven shaft (9) is passed described slide block one (6) and is fixedly connected with a driven gear (12), described driven gear (12) is meshed with described driving gear (10) and both shapes are identical, the other end of described driven shaft (9) is through described slide block two (7) and be fixedly connected with a roller two (13), and described roller one (11) to be positioned at immediately below described roller two (13) and to have the gap (14) that a described plastic tape of confession (22) passes between both outer peripheral faces, described cutting bed (2) is also fixed with a cutter sweep, described cutter sweep comprises two longerons vertically arranged (15) and a crossbeam arranged in the horizontal direction (16), the lower end of described two longerons (15) is all fixed on described cutting bed (2), and the two ends of described crossbeam (16) are connected mutually with the upper end of described two longerons (15) respectively, described cutter sweep also comprises a cutting knife (17) be arranged on described crossbeam (16), described crossbeam (16) being also fixed with the drive unit two for driving described cutting knife (17) vertically to move back and forth, immediately below described cutting knife (17), being installed with a cutting plate (18), one is also provided with for plastic tape (22) being guided to the guide frame on described cutting plate (18) between described cutter sweep and described draw-gear, the plate face of described first side plate (3) and the plate face of the second side plate (4) offer an OBL opening one (19) and opening two (20) respectively, the length direction of described opening one (19) and opening two (20) is all vertically arranged, the both sides of described slide block one (6) offer the chute one (21) be connected with described opening one (19) side walls, and the both sides of described slide block two (7) offer the chute two be connected with described opening two (20) side walls, the upper surface of described first side plate (3) offers a through hole one be connected with described opening one (19), and the upper surface of described second side plate (4) offers a through hole two be connected with described opening two (20), be threaded in described through hole one and through hole two screw rod one (23) and screw rod two (24) respectively, the lower end of described screw rod one (23) is connected a spring base (25), a spring (26) is provided with in described opening one (19), the upper end of described spring (26) is connected mutually with described spring base (25), and the lower end of described spring (26) is connected mutually with the upper end of described slide block one (6), described roller one (11) adopts metal to make, and described roller two (13) is adopted made of plastic, and the periphery of described roller two (13) offers an annular groove, described drive unit one comprises a stepper motor (27) be fixed on described cutting bed (2), and the output of described stepper motor (27) is connected with described driving gear (10) by a rotating shaft (28), described drive unit two comprises a cylinder vertically arranged, described cylinder comprises cylinder body (29) and is inserted in the piston rod (30) in this cylinder body (29), described cylinder body (29) is fixed on described crossbeam (16), and described piston rod (30) is through described crossbeam (16) and be connected with described cutting knife (17), described drive unit two also comprises the upper junction plate (31) and lower connecting plate (32) that are mutually connected, and described upper junction plate (31) and lower connecting plate (32) are arranged all in the horizontal direction, described upper junction plate (31) is connected mutually with the lower end of described piston rod (30), described upper junction plate (31) offers at least two upper pilot holes, described upper pilot hole internal fixtion has upper guide bush, slidably connect top guide bar (33) in described upper guide bush, described top guide bar (33) is vertically arranged and the upper end of this top guide bar (33) is connected with described crossbeam (16), described lower connecting plate (32) is connected mutually with described cutting knife (17), the plate face of described lower connecting plate (32) also offers at least two lower pilot holes, slidably connect lower guide rod (34) in described lower pilot hole, described lower guide rod (34) is vertically arranged and the lower end of this lower guide rod (34) is connected with described cutting plate (18).
2. the cutting machine of sofa tooth bar packaging plastic tape according to claim 1, it is characterized in that, the lower face of described cutting plate (18) is connected with two pedestals (35), described two pedestals (35) are arranged in parallel in strip, the length direction of described two pedestals (35) is identical with the length direction of described frame (1), and has space between described two pedestals (35).
3. the cutting machine of sofa tooth bar packaging plastic tape according to claim 1, it is characterized in that, described guide frame comprises the stock guide one (36) and stock guide two (37) that arrange all in the horizontal direction, all offer the material guide hole passed for plastic tape (22) in described stock guide one (36) and stock guide two (37), the length direction of described material guide hole is also arranged in the horizontal direction; The center line of described stock guide one (36) and the centerline collineation of stock guide two (37), and the inner of described stock guide one (36) is positioned at the left side of described gap (14), the inner of described stock guide two (37) is positioned at the right side of described gap (14), and the outer end of described stock guide two (37) is fixed on described cutting plate (18).
4. the cutting machine of sofa tooth bar packaging plastic tape according to claim 1, it is characterized in that, described cutting machine also comprises a pay-off, described pay-off comprises the base (38) being positioned at described frame (1) left side, the upper rotation of described base (38) is provided with a rotating disk (39), described rotating disk (39) is vertically installed with some winding bars (40), described some winding bars (40) are uniformly distributed along the circumference of described rotating disk (39), described plastic tape (22) can be wound on described winding bar (40).
5. the cutting machine of sofa tooth bar packaging plastic tape according to claim 1, it is characterized in that, the control circuit of described cutting machine comprises the shutdown switch SB1 for cutting off 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, for the stepper motor driver of 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 knob SB3 is connected with Chang Kaiduan one end of travel switch SQ, the control circuit of this automatic gas cutting machine also comprises the counter PC for measuring 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 described other end of travel switch SQ Chang Kaiduan is connected with normally closed switch one end of counter PC, the described other end of 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 is interconnected and is connected with zero line.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008108.XA CN104626238B (en) | 2013-10-21 | 2013-10-21 | A kind of cutting machine of plastic tape of adopting guiding structure |
| CN201310496297.0A CN103522322B (en) | 2013-10-21 | 2013-10-21 | Cutting machine of plastic tape for sofa rack packaging |
| CN201510008137.6A CN104589395B (en) | 2013-10-21 | 2013-10-21 | A kind of cutting machine of the plastic tape with control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310496297.0A CN103522322B (en) | 2013-10-21 | 2013-10-21 | Cutting machine of plastic tape for sofa rack packaging |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510008108.XA Division CN104626238B (en) | 2013-10-21 | 2013-10-21 | A kind of cutting machine of plastic tape of adopting guiding structure |
| CN201510008137.6A Division CN104589395B (en) | 2013-10-21 | 2013-10-21 | A kind of cutting machine of the plastic tape with control circuit |
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| CN103522322A CN103522322A (en) | 2014-01-22 |
| CN103522322B true CN103522322B (en) | 2015-05-06 |
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| CN201310496297.0A Active CN103522322B (en) | 2013-10-21 | 2013-10-21 | Cutting machine of plastic tape for sofa rack packaging |
| CN201510008137.6A Active CN104589395B (en) | 2013-10-21 | 2013-10-21 | A kind of cutting machine of the plastic tape with control circuit |
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Also Published As
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| CN104589395A (en) | 2015-05-06 |
| CN103522322A (en) | 2014-01-22 |
| CN104589395B (en) | 2016-04-06 |
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