CN115107320A - Different-thickness film body fusion cutting guide device and method suitable for plastic packaging bag - Google Patents

Different-thickness film body fusion cutting guide device and method suitable for plastic packaging bag Download PDF

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Publication number
CN115107320A
CN115107320A CN202210871886.1A CN202210871886A CN115107320A CN 115107320 A CN115107320 A CN 115107320A CN 202210871886 A CN202210871886 A CN 202210871886A CN 115107320 A CN115107320 A CN 115107320A
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CN
China
Prior art keywords
fixedly connected
guide
melt
film body
wall
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Granted
Application number
CN202210871886.1A
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Chinese (zh)
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CN115107320B (en
Inventor
刘方
王玉英
赵伟
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Lianyungang Lefu New Material Co ltd
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Lianyungang Lefu New Material Co ltd
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Priority to CN202210871886.1A priority Critical patent/CN115107320B/en
Publication of CN115107320A publication Critical patent/CN115107320A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/006—Controlling; Regulating; Measuring; Safety measures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/04—Feeding sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/20—Cutting sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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Abstract

The melt-cutting guide device and the method are suitable for film bodies with different thicknesses of a plastic packaging bag, belong to the technical field of plastic bag production, and aim to solve the problem that the tension of the film bodies cannot be effectively ensured when the conventional melt-cutting guide device adjusts the adaptive spacing for the film bodies with different thicknesses; the existing film body melt-cutting guide device has the problems that after the film body is melt-cut, the broken point of the film body is easily stuck on a melt-cutting knife to cause the damage of the film body; according to the invention, the guide assembly is arranged in the through hole of the base, the driving motor is matched with the adjusting screw rod, the moving sleeve and the driving rod to lift the second guide roller, the second guide roller lifts the film body to extrude and attach to the first guide roller in a staggered manner, the staggered extrusion of the guide roller is utilized to adapt to different thicknesses of the film body and bend and tension the film body, and when the film body is melted and cut by the melt-cutting mechanism, the melt-cutting end of the film body is cleaned and slapped by the cleaning blades and the anti-sticking pieces arranged at two sides of the mounting shell; the invention is beneficial to adapting to the guiding of film bodies with different thicknesses and avoids the problem of melt cutting and sticking of the film bodies.

Description

Different-thickness film body fusion cutting guide device and method suitable for plastic packaging bag
Technical Field
The invention relates to the technical field of plastic bag production, in particular to a film body fusion cutting guide device and method suitable for plastic packaging bags with different thicknesses.
Background
The plastic packaging bag is a packaging bag which takes plastic as a raw material and is used for producing various articles in daily life, is widely used in daily life and industrial production, but brings long-term harm to the convenience. The common plastic packaging bag is mostly made of polyethylene film, and the film is nontoxic, so the plastic packaging bag can be used for containing food. And the other film is made of polyvinyl chloride, and the polyvinyl chloride is also nontoxic, but the additive added according to the application of the film is harmful to human bodies and has certain toxicity. Therefore, the film and the plastic bag made of the film are not suitable for containing food.
The plastic packaging bag is made by melt-cutting the film body and then cutting the film body through hot pressing, and when the film body with different thicknesses is melt-cut, the adaptive interval of the film body conveying and guiding device needs to be adjusted so that the guiding device can guarantee the smoothness of the film body conveying. However, when the conventional melt-cutting guide device adjusts the adaptive spacing for film bodies with different thicknesses, the holding of the guide device on the tensile force of the film body cannot be effectively guaranteed, and the tensile force of the guide device on the film body needs to be adjusted again to avoid the deviation of the film body, which is troublesome; moreover, after the film body is melted and cut by the existing film body melting and cutting guide device, the broken point of the film body is easy to melt and adhere to the melting and cutting knife, and the adhered film body can be pulled and damaged after the melting and cutting knife is reset by punching.
Therefore, the melt cutting guide device and the melt cutting guide method for the film bodies with different thicknesses suitable for the plastic packaging bags are provided.
Disclosure of Invention
The invention aims to provide a film body fusion cutting guide device and a method suitable for plastic packaging bags with different thicknesses, and aims to solve the problems that the conventional fusion cutting guide device cannot effectively ensure the tensile force of a film body when the adaptive spacing is adjusted for the film bodies with different thicknesses, and the tensile force of the guide device for the film body needs to be adjusted again, and the conventional film body fusion cutting guide device is easy to melt and adhere to a fusion cutter at the break point of the film body after the film body is fused and cut, and the fusion cutter can cause pulling damage to the adhered film body after the fusion cutter is reset.
In order to achieve the purpose, the invention provides the following technical scheme: the film body fusion cutting guide device with different thicknesses suitable for plastic packaging bags comprises a machine base and an intelligent controller fixedly connected to the side wall of the machine base, wherein the bottom of the end of the machine base on one side of the intelligent controller is fixedly connected with a fixed plate, the outer wall of the machine base is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with an adjusting screw rod, the tail end of the adjusting screw rod penetrates through the fixed plate and is suspended at the bottom of the machine base in a laminating manner, a through opening is formed in the side wall of the machine base corresponding to the driving motor, a guide assembly is fixedly connected between the inner walls of two sides of the through opening, a communicating groove is formed in the bottom plate of the through opening at the lower end of the guide assembly, the bottom of the guide assembly extends to the lower end of the machine base through the communicating groove, the tail end of the guide assembly at the bottom of the machine base is movably connected with the adjusting screw rod, a support plate is fixedly connected to the outer wall of the machine base, which is far away from one end of the driving motor, and is arranged below the through opening, the top of the supporting plate is fixedly connected with the melt-cutting mechanism, the outer wall of the top of a through port at one end, far away from the melt-cutting mechanism, of the machine base is fixedly connected with a U-shaped hanging plate, two sides of the lower end of the U-shaped hanging plate are respectively and fixedly connected with a thickness sensor, and the thickness sensors are suspended outside the through port;
the direction subassembly includes that fixed top frame and activity between the inner wall of opening both sides run through set up in the first guide roll between fixed top frame both ends inner wall, fixed top frame bottom four corners department fixedly connected with guide bar, the lower extreme activity of guide bar runs through in removal underframe four corners department setting, and the winding is provided with buffer spring on the guide bar outer wall between removal underframe and fixed top frame, it is provided with the second guide roll to remove even activity between underframe both ends inner wall, remove underframe lower extreme middle part fixedly connected with location horizontal pole, location horizontal pole suspension is in removal underframe bottom, swing joint has the actuating lever on the lateral wall of location horizontal pole, the terminal swing joint of actuating lever is in removing the cover top, it fits in the through hole to remove the cover activity, and remove the cover lower extreme and cup joint on the accommodate the lead screw outer wall after extending to and running through the opening bottom.
Further, first guide roll connects the semi-ring shape air cushion on changeing roller both sides end department outer wall including changeing the roller with fixed cover, the air guide ring is installed to the gomphosis on changeing the middle part department outer wall of roller, the air guide ring is linked together with the semi-ring shape air cushion through changeing the inside air duct that sets up of roller, and evenly spaced apart on the commentaries on classics roller outer wall of air guide ring both sides is equipped with the mounting groove, the piston inflator that fixedly connected with is linked together on the mounting groove both sides outer wall in the mounting groove, the piston rod has been cup jointed to the terminal port internalization of piston inflator, evenly spaced fixedly connected with smooths the scraper blade on the outer wall of piston rod.
Furthermore, the first guide rollers are parallel to the second guide rollers and are arranged in a staggered mode, the structural composition of the first guide rollers is the same as that of the second guide rollers, one-way air inlets are formed in the outer wall of the semi-annular air cushion, a notch is formed in one end of the semi-annular air cushion, the length of the notch is one third of the circumference of the rotary roller, and the diameter of the air guide ring is the same as that of the rotary roller.
Further, the axostylus axostyle of first guide roll one end runs through the outside that extends to fixed top frame, its terminal fixedly connected with gear, cup joint through same chain between adjacent gear mutually, the terminal axostylus axostyle of first guide roll of fixed top frame outside middle part department extends to the frame, it is connected with the rotating electrical machines output, and the axostylus axostyle of first guide roll one end runs through and extends to the removal underframe outside, its end cup joints mutually through gear and chain, the terminal axostylus axostyle of first guide roll of removal underframe outside middle part department extends to its outside through the bar through-hole on the frame lateral wall, the terminal axostylus axostyle of first guide roll is connected with the rotating electrical machines output.
Further, smooth the scraper blade including fixed cup joint the casing on the piston rod outer wall and offer the installing port on the casing lateral wall, the installing port sets up and is close to top department on the outer wall of casing keeping away from air guide ring one side, and the activity is provided with the deflector between the installing port lateral wall, the deflector extends to inside the casing, the deflector end of casing inside is connected with casing inner wall through the torsional spring, fixedly connected with directional wheel on the casing inner wall of torsional spring lower extreme, and the terminal bottom fixedly connected with of deflector adjusts the stay cord, adjust the stay cord and wear back on directional wheel outer wall, its terminal fixedly connected with eccentric ball, when the torsional spring keeps normal diastolic state, the terminal suspension of deflector of casing outside is in mounting groove port department, adjust the stay cord this moment and be in the state of tightening, the setting of the casing inner wall of eccentric ball laminating directional wheel lower extreme.
Further, melt and cut the mechanism and include fixed connection in the die-cutting board at backup pad top and the U type seat at die-cutting board one end top, the activity is provided with spacing roller between U type seat lateral wall, spacing roller suspension is in the backup pad and is kept away from the top of frame one end, the pneumatic lift module of fixedly connected with of U type seat upper end middle part department, the activity is provided with the removal mount pad on the outer wall of pneumatic lift module, the bottom fixedly connected with of removal mount pad melts and cuts the piece, die-cut board upper end corresponds to melt and cuts a department and is provided with and lets the aqueduct.
Further, melt and cut the piece and include fixed connection in the fixed jib and the installation clamshell fixed connection in fixed jib bottom that remove the mount pad bottom, installation clamshell roof lower extreme fixedly connected with elastomeric element, elastomeric element's lower extreme fixedly connected with removes the connector, remove connector bottom fixedly connected with and cut the cutter, the lower extreme of cutting the cutter runs through and extends to installation clamshell lower extreme, and fixed connection has the constant temperature electric heating piece on the cutting cutter both sides outer wall of installation clamshell bottom port department, fixedly connected with position fixing cover on the outer wall of installation clamshell both sides, the position fixing cover is linked together through intercommunicating pore and installation clamshell.
Further, the slope of position fixing cover bottom is provided with the installation cover, the clearance blade has been cup jointed in the installation cover internalization, the terminal slope of clearance blade corresponds cuts the cutter setting, and the clearance blade other end extends to the inside at the bottom of the position fixing cover, its terminal fixedly connected with spring beam, the spring beam is with the position fixing cover roof lower extreme fixedly connected with winder plate of the adjacent department of clearance blade link, the adjacent department of spring beam is pressed close to the winder plate lower extreme, the terminal fixedly connected with wire rope of spring beam, wire rope wears to wind the back from the winder plate bottom, its end extends to the installation clamshell through the intercommunicating pore inside, and wire rope is from terminal and the fixed linking to each other of mobile connector lateral wall, the antiseized glutinous piece of installation cover bottom fixedly connected with.
Furthermore, the anti-sticking piece comprises a fixed sleeve fixedly connected to the bottom of the mounting sleeve and a positioning cylinder fixedly connected to the bottom plate of the fixed sleeve, an L-shaped pressing plate is movably sleeved in the positioning cylinder, the lower end of the L-shaped pressing plate is suspended at the bottom of the fixed sleeve, the top of the L-shaped pressing plate at the upper end of the positioning cylinder is fixedly connected to a first magnetic block, the lower end of the mounting sleeve top plate opposite to the top of the first magnetic block is fixedly connected with a second magnetic block, the same-name magnetic poles of the second magnetic block and the first magnetic block are oppositely arranged, a connecting rod is fixedly connected to the side wall of the L-shaped pressing plate at the lower end of the first magnetic block, a rotary cylinder is movably arranged at the bottom of the mounting sleeve opposite to the lower end of the connecting rod through a supporting bar, a slapping plate is fixedly connected to the outer wall of one side of the rotary cylinder close to the cleaning blade, a fixed rope is fixedly connected to the side wall of the rotary cylinder adjacent to the slapping plate, and the tail end of the fixed rope penetrates into the fixed sleeve and then is fixedly connected with the connecting rod, the axostylus axostyle of rotary drum end runs through and extends to the inside cavity of support bar, and the winding is provided with clockwork spring on the inside rotary drum axostylus axostyle outer wall of cavity.
The invention provides another technical scheme: the use method of the film body fusion cutting guide device with different thicknesses suitable for the plastic packaging bag comprises the following implementation steps:
s1: after entering from the side end of the machine base through the inlet of the through hole, the film body passes through the first guide roller and the second guide roller on the movable bottom frame and the fixed top frame, then the film body passes through the outlet and is placed on the punching plate, and the film body is connected with a traction device after passing through the limiting roller;
s2: the thickness sensor detects the thickness of the film body and transmits information to the intelligent controller, the driving motor is started to drive the moving sleeve to move by utilizing the adjusting screw rod, the moving sleeve drives the driving rod to deflect and move to jack the moving bottom frame, the moving bottom frame drives the second guide roller to jack the film body to alternately extrude the bottom end of the first guide roller, and the film body is guided, clamped and bent and tensioned;
s3: when the film body is pulled and slides from the first guide roller and the second guide roller, the semi-annular air cushions on the outer walls of the adjacent first guide roller and the second guide roller rotate and extrude with each other intermittently, the semi-annular air cushions convey air into the air guide ring through the air guide pipe after extrusion, and the air guide ring guides the air into the piston air cylinder to push the piston rod to move back and forth;
s4: when the piston rod drives the smoothing scraper to move back and forth, the eccentric ball in the shell pulls the adjusting pull rope by inertia to drive the deflection plate to deflect, the deflection plate compresses the torsion spring and extends to the outside of the port of the mounting groove on the outer wall of the guide roller, and the smoothing scraper moves from the middle part of the membrane body to two sides to be smoothed when being far away from the air guide ring;
s5: the film body stops pulling after sliding for a certain distance from the first guide roll and the second guide roll in a tensioning mode, the flattened film body is placed on the punching plate, the melt-cutting mechanism performs melt-cutting on the flattened film body, and the film body continues pulling for fixed-length melt-cutting after the melt-cutting is completed.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a melt-cutting guide device and a method for film bodies with different thicknesses suitable for plastic packaging bags, wherein the film bodies penetrate through an opening inlet from the side end of a machine base and then pass through a movable bottom frame and a first guide roller and a second guide roller on a fixed top frame, then the film bodies penetrate through an outlet and are placed on a die-cutting plate, a traction device is connected after the film bodies penetrate through a limiting roller, a thickness sensor detects the thickness of the film bodies and transmits information to an intelligent controller, a driving motor is started to drive a movable sleeve to move by utilizing an adjusting screw rod, the movable sleeve drives a driving rod to deflect and move to lift the movable bottom frame, the movable bottom frame drives the second guide roller to lift the film bodies to lift the bottom ends of the first guide rollers in a staggered manner, the film bodies are guided and clamped and are bent and tensioned, the film bodies are driven to move by the second guide roller to lift the first guide roller in a staggered manner, and the film bodies with different thicknesses are guided adaptively, meanwhile, the tensioning of the film body is kept, the fusion cutting error caused by the loosening and transmission deviation of the film body is avoided, and the film body is convenient and fast to use.
2. The invention provides a melt-cutting guide device and a melt-cutting guide method for film bodies with different thicknesses, which are suitable for plastic packaging bags, wherein when the film bodies are drawn and slide between a first guide roller and a second guide roller, semi-annular air cushions on the outer walls of the adjacent first guide roller and the second guide roller rotate and extrude with each other intermittently, after the semi-annular air cushions extrude, the air is conveyed into an air guide ring through an air guide pipe, the air guide ring channels the air into a piston inflator to push a piston rod to move back and forth, when the piston rod drives a smoothing scraper to move back and forth, an eccentric ball in a shell pulls an adjusting pull rope to drive a deflection plate to deflect by inertia, the deflection plate compresses a torsion spring to extend to the outside of a port of a mounting groove on the outer wall of the guide roller, when the smoothing scraper is far away from the air guide ring, the smoothing scraper moves from the middle part of the film body to two sides, when the piston rod is reset, the air is reversely filled into the semi-annular air cushions, the deflection plate is reset and accommodated in the mounting groove, when the semi-annular air cushion rotates and extrudes intermittently again, the deflection plate deflects once more and moves to automatically smooth the membrane body, so that the membrane body is prevented from being wrinkled to influence the fusion cutting precision, and the device is convenient and practical.
3. The invention provides a film body fusion cutting guide device and a method suitable for plastic packaging bags with different thicknesses, wherein a pneumatic lifting module lowers the height of a mounting shell cover to enable the lower ends of anti-sticking pieces at the bottoms of a slitting cutter and a positioning cover to contact and extrude a film body, then the mounting shell cover is continuously driven downwards, the mounting shell cover moves downwards to compress an elastic part and press a slitting cutter, a constant-temperature electric heating block at the two sides of the slitting cutter heats the slitting cutter at constant temperature, the slitting cutter vertically fuses and cuts the film body under the compression of the mounting shell cover, a intercommunicated hole top plate on the side wall downwards extrudes a steel cable rope when the mounting shell cover moves downwards, a movable connector moves upwards relative to the positioning cover, the movable connector pulls the steel cable rope to slide around the bottom of a winding plate, the steel cable rope obliquely pulls a spring rod to move, the tail end of a cleaning blade is pushed out of a mounting sleeve at the bottom of the positioning cover, the tail end of the cleaning blade is obliquely close to the bottom of the slitting cutter, carry out oblique cutting processing to the membrane body department of cutting from cutting the cutter both sides slant, the slapping plate laminating membrane body of antiseized glutinous piece deflects simultaneously, and the clockwork spring on the rotatory rolling shaft pole of rotary drum is cut the cutter and is shifted up after that, and antiseized glutinous piece separates with the membrane body, and clockwork spring release drives the rotary drum and carries out the antiport, promotes the slapping plate and slaps the membrane body and melt the end, avoids the membrane body to melt to cut the end and glues to cause behind the glutinous cutter of cutting and drag the damage, convenient practicality.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a guide assembly according to the present invention;
FIG. 3 is a schematic view of a first guide roller according to the present invention;
FIG. 4 is a schematic view of the first guide roll end shaft and gear transmission structure of the present invention;
FIG. 5 is a schematic view of a smoothing blade configuration of the present invention;
FIG. 6 is a schematic structural view of a melt-cutting mechanism according to the present invention;
FIG. 7 is a schematic view of a fuse cut piece of the present invention;
FIG. 8 is a schematic view of the mounting structure of the slitting tool of the present invention;
FIG. 9 is a schematic view of an anti-adhesive structure according to the present invention;
FIG. 10 is a schematic view of the drum mounting structure of the present invention.
In the figure: 1. a machine base; 2. an intelligent controller; 3. a fixing plate; 4. a drive motor; 5. adjusting the screw rod; 6. the through hole is penetrated; 7. a guide assembly; 71. fixing the top frame; 711. a gear; 712. a chain; 72. a first guide roller; 721. rotating the roller; 722. a semi-annular air cushion; 723. a gas guide ring; 724. an air duct; 725. mounting grooves; 726. a piston cylinder; 727. a piston rod; 728. smoothing the scraper plate; 7281. a housing; 7282. an installation port; 7283. a deflection plate; 7284. a torsion spring; 7285. a directional wheel; 7286. adjusting the pull rope; 7287. an eccentric ball; 729. a one-way air inlet hole; 73. a guide bar; 74. moving the bottom frame; 75. a buffer spring; 76. a second guide roller; 77. positioning the cross bar; 78. a drive rod; 79. moving the sleeve; 8. a communicating groove; 9. a support plate; 10. a melt-cutting mechanism; 101. punching and cutting a plate; 102. a U-shaped seat; 103. a limiting roller; 104. a pneumatic lifting module; 105. moving the mounting seat; 106. melt-cutting the workpiece; 1061. fixing the suspender; 1062. installing a shell; 1063. an elastic member; 1064. moving the connector; 1065. cutting a cutter; 1066. a constant temperature electric heating block; 1067. a positioning cover; 1068. a communicating hole; 1069. installing a sleeve; 10610. cleaning the blade; 10611. a spring lever; 10612. a wire winding plate; 10613. a wire rope; 10614. an anti-sticking member; 106141, a fixing sleeve; 106142, a positioning cylinder; 106143, L-shaped platen; 106144, a first magnetic block; 106145, a second magnetic block; 106146, a connecting rod; 106147, supporting strips; 106148, a rotating drum; 106149, clap boards; 1061410, fixing rope; 1061411, a clockwork spring; 107. a lead aqueduct; 11. a U-shaped hanger plate; 12. and a thickness sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Please refer to fig. 1 and fig. 2, the device for guiding melt-cutting of films with different thicknesses suitable for plastic packaging bags comprises a base 1 and an intelligent controller 2 fixedly connected to the side wall of the base 1, wherein the bottom of the end of the base 1 on one side of the intelligent controller 2 is fixedly connected with a fixing plate 3, the outer wall of the base 1 is fixedly connected with a driving motor 4, the output end of the driving motor 4 is fixedly connected with an adjusting screw rod 5, and the tail end of the adjusting screw rod 5 is attached to and suspended at the bottom of the base 1 after penetrating through the fixing plate 3.
In order to solve the problem that the tension of the film body cannot be effectively guaranteed when the conventional melt cutting guide device adjusts the adaptive spacing for the film bodies with different thicknesses, and the tension of the film body by the guide device needs to be adjusted again, please refer to fig. 1 to 4, and provide the following preferred technical scheme:
seted up on the frame 1 corresponds driving motor 4 lateral wall and runs through opening 6, fixedly connected with direction subassembly 7 between the both sides inner wall that runs through opening 6, intercommunication groove 8 has been seted up on the opening 6 bottom plate that runs through of direction subassembly 7 lower extreme, intercommunication groove 8 is passed through to the bottom of direction subassembly 7 extends to frame 1 lower extreme, and the terminal and 5 activities of accommodate the lead screw of direction subassembly 7 of frame 1 bottom link to each other, fixedly connected with backup pad 9 on the outer wall of driving motor 4 one end is kept away from to frame 1, backup pad 9 sets up in running through opening 6 below, backup pad 9 top fixed connection melts and cuts mechanism 10, frame 1 keeps away from to melt fixedly connected with U type hanger plate 11 on the outer wall of opening 6 port top departments that runs through of cutting mechanism 10 one end, U type hanger plate 11's lower extreme both sides fixedly connected with thickness sensor 12 respectively, thickness sensor 12 suspension is in the opening 6 port outsides that runs through.
The guiding component 7 comprises a fixed top frame 71 fixedly connected between the inner walls at the two sides of the through opening 6 and a first guiding roller 72 movably arranged between the inner walls at the two ends of the fixed top frame 71, four corners at the bottom of the fixed top frame 71 are fixedly connected with guiding rods 73, the lower ends of the guiding rods 73 movably penetrate through four corners of the movable bottom frame 74, a buffer spring 75 is wound on the outer wall of the guide rod 73 between the movable bottom frame 74 and the fixed top frame 71, second guide rollers 76 are uniformly and movably arranged between the inner walls of the two ends of the movable bottom frame 74, a positioning cross rod 77 is fixedly connected at the middle part of the lower end of the movable bottom frame 74, the positioning cross rod 77 is suspended at the bottom of the movable bottom frame 74, a driving rod 78 is movably connected on the side wall of the positioning cross rod 77, the tail end of the driving rod 78 is movably connected with the top of a movable sleeve 79, the movable sleeve 79 is movably clamped in the through opening 6, and the lower end of the movable sleeve 79 extends to the bottom of the through port 6 and then is movably sleeved on the outer wall of the adjusting screw rod 5.
The first guide rollers 72 are arranged in a staggered mode in parallel to the second guide rollers 76, the structural composition of the first guide rollers 72 is the same as that of the second guide rollers 76, the outer wall of the semi-annular air cushion 722 is provided with one-way air inlet holes 729, one end of the semi-annular air cushion 722 is provided with a notch, the length of the notch is one third of the circumference of the rotating roller 721, and the diameter of the air guide ring 723 is the same as that of the rotating roller 721.
The axostylus axostyle of first guide roll 72 one end runs through and extends to the outside of fixed top frame 71, its terminal fixedly connected with gear 711, adjacent gear 711 cup joints mutually through same chain 712, the terminal axostylus axostyle of first guide roll 72 of fixed top frame 71 outside middle part department extends to frame 1, it is connected with the rotating electrical machines output, and the axostylus axostyle of first guide roll 72 one end runs through and extends to the removal underframe 74 outside, its end cup joints mutually through gear 711 and chain 712, the terminal axostylus axostyle of first guide roll 72 of removal underframe 74 outside middle part department extends to its outside through the bar through-hole on the frame 1 lateral wall, the terminal axostylus axostyle of first guide roll 72 is connected with the rotating electrical machines output.
Specifically, after entering from the side end of the machine base 1 through the inlet of the through hole 6, the film body passes through the movable bottom frame 74 and the first guide roller 72 and the second guide roller 76 on the fixed top frame 71, then the film body passes through the outlet and is placed on the punching plate 101, the limiting roller 103 is connected with the traction device after passing around, the thickness sensor 12 detects the thickness of the film body and transmits information to the intelligent controller 2, the driving motor 4 is started to drive the movable sleeve 79 to move by utilizing the adjusting screw rod 5, the movable sleeve 79 drives the driving rod 78 to deflect and move to lift the movable bottom frame 74, the movable bottom frame 74 drives the second guide roller 76 to lift the film body and alternately press the bottom end of the first guide roller 72, the film body is guided and clamped and bent and tensioned, the film body is driven to move and alternately press the first guide roller 72 by the second guide roller 76, the adaptive guidance to the film bodies with different thicknesses is realized, and the tensioning and the maintenance of the film body is realized, avoid the not hard up transmission skew of film body to cause the melt and cut error, convenient and fast.
In order to enhance the precision of the melt cutting of the film body and avoid the influence of wrinkles generated when the film body is guided on the precision of the melt cutting, as shown in fig. 3 and 5, the following preferred technical scheme is provided:
the first guide roller 72 comprises a rotary roller 721 and a semi-annular air cushion 722 fixedly sleeved on the outer walls of the end heads at the two sides of the rotary roller 721, an air guide ring 723 is embedded on the outer wall of the middle part of the rotary roller 721, the air guide ring 723 is communicated with the semi-annular air cushion 722 through an air guide tube 724 arranged inside the rotary roller 721, mounting grooves 725 are uniformly arranged on the outer walls of the rotary rollers 721 at the two sides of the air guide ring 723 at intervals, piston air cylinders 726 communicated with each other are fixedly connected on the outer walls of the two sides of the mounting grooves 725 in the mounting grooves 725, piston rods 727 are movably sleeved in ports at the tail ends of the piston air cylinders 726, and smoothing scrapers 728 are uniformly and fixedly connected on the outer walls of the piston rods 727 at intervals.
The smoothing scraper 728 includes a housing 7281 fixedly secured to the outer wall of the piston rod 727 and a mounting port 7282 opened in the side wall of the housing 7281, the mounting port 7282 is provided near the top of the outer wall of the housing 7281 on the side away from the air guide ring 723, a deflection plate 7283 is movably arranged between the side walls of the mounting opening 7282, the deflection plate 7283 extends into the shell 7281, the tail end of the deflection plate 7283 in the shell 7281 is connected with the inner wall of the shell 7281 through a torsion spring 7284, a directional wheel 7285 is fixedly connected on the inner wall of the shell 7281 at the lower end of the torsion spring 7284, and the bottom of the tail end of the deflecting plate 7283 is fixedly connected with an adjusting pull rope 7286, after the adjusting pull rope 7286 is threaded on the outer wall of the directional wheel 7285, the tail end of the elastic arm is fixedly connected with an eccentric ball 7287, when the torsional spring 7284 is kept in a normal diastole state, the tail end of a deflection plate 7283 outside the shell 7281 is suspended at the port of the mounting groove 725, the adjusting pull rope 7286 is in a tightened state, and the eccentric ball 7287 is arranged in a manner of being attached to the inner wall of the shell 7281 at the lower end of the directional wheel 7285.
Specifically, when the film body is pulled and slides between the first guide roller 72 and the second guide roller 76, the semi-annular air cushions 722 on the outer walls of the adjacent first guide roller 72 and second guide roller 76 are intermittently and rotationally extruded with each other, the air is conveyed into the air guide ring 723 through the air guide tubes 724 after the semi-annular air cushions 722 are extruded, the air guide ring 723 guides the air into the piston cylinder 726 to push the piston rod 727 to move back and forth, when the piston rod 727 drives the leveling scraper 728 to move back and forth, the eccentric ball 7287 inside the housing 7281 drives the deflection plate 7283 to deflect by using the inertia pull adjusting pull rope 7286, the deflection plate 7283 compresses the torsion spring 7284 to extend to the outside of the port of the mounting groove 725 on the outer wall of the guide roller, when the leveling scraper 728 is far away from the air guide ring 723, the air moves from the middle part of the film body to both sides to level, when the piston rod 727 is reset, the air is reversely filled into the semi-annular air cushions 722, the deflection plate 7283 is reset and contained in the mounting groove 725, when the semi-annular air cushions are intermittently and rotationally extruded with each other, the deflection plate 7283 deflects once more and removes and smooth the membrane body automatically, avoids the membrane body fold to influence its fusion cutting precision, convenient practicality.
In order to solve the problems that after the film body is melt-cut by the existing film body melt-cutting guide device, the broken point of the film body is easily melted and adhered to a melt-cutting knife, and the adhered film body is pulled and damaged after the melt-cutting knife is reset by punching, please refer to fig. 6-10, and the following preferred technical scheme is provided:
melt and cut mechanism 10 including fixed connection in die-cut board 101 at backup pad 9 top and fixed connection in the U type seat 102 at die-cut board 101 one end top, the activity is provided with spacing roller 103 between U type seat 102 lateral wall, spacing roller 103 suspends in backup pad 9 and keeps away from the top of frame 1 one end, U type seat 102 upper end middle part fixedly connected with pneumatic lifting module group 104 of department, the activity is provided with on the outer wall of pneumatic lifting module group 104 and removes mount pad 105, the bottom fixedly connected with of removing mount pad 105 melts and cuts piece 106, die-cut board 101 upper end corresponds melts and cuts 106 department and is provided with and lets aqueduct 107.
The melt-cutting element 106 comprises a fixed suspender 1061 fixedly connected to the bottom of the movable mounting base 105 and a mounting shell 1062 fixedly connected to the bottom of the fixed suspender 1061, the lower end of the top plate of the mounting shell 1062 is fixedly connected with an elastic component 1063, the lower end of the elastic component 1063 is fixedly connected with a movable connector 1064, the bottom of the movable connector 1064 is fixedly connected with a slitting cutter 1065, the lower end of the slitting cutter 1065 penetrates and extends to the lower end of the mounting shell 1062, the outer walls of the two sides of the slitting cutter 1065 at the bottom port of the mounting shell 1062 are fixedly connected with a constant-temperature electric heating block 1066, the outer walls of the two sides of the mounting shell 1062 are fixedly connected with positioning covers 1067, and the positioning covers 1067 are communicated with the mounting shell 1062 through communication holes 1068.
The bottom of the positioning cover 1067 is obliquely provided with a mounting sleeve 1069, a cleaning blade 10610 is movably sleeved in the mounting sleeve 1069, the tail end of the cleaning blade 10610 is obliquely arranged corresponding to the slitting cutter 1065, the other end of the cleaning blade 10610 extends into the bottom of the positioning cover 1067, the tail end of the cleaning blade 10610 is fixedly connected with a spring rod 10611, the lower end of the top plate of the positioning cover 1067 at the position adjacent to the connecting end of the spring rod 10611 and the cleaning blade 10610 is fixedly connected with a winding plate 10612, the lower end of the winding plate 10612 is suspended adjacent to the spring rod 10611, the tail end of the spring rod 10611 is fixedly connected with a steel cable 10613, after the steel cable 10613 is wound from the bottom of the winding plate 10612, the tail end of the steel cable is extended into the mounting housing 1062 through a communication hole 1068, the steel cable 10613 is fixedly connected with the side wall of the movable connector 1064 from the tail end, and the bottom of the mounting sleeve 1069 is fixedly connected with an anti-sticking piece 10614.
The anti-sticking piece 10614 comprises a fixed sleeve 106141 fixedly connected to the bottom of the mounting sleeve 1069 and a positioning cylinder 106142 fixedly connected to the bottom plate of the fixed sleeve 106141, an L-shaped pressing plate 106143 is movably sleeved in the positioning cylinder 106142, the lower end of the L-shaped pressing plate 106143 is suspended at the bottom of the fixed sleeve 106141, the top of the L-shaped pressing plate 106143 at the upper end of the positioning cylinder 106142 is fixedly connected to a first magnetic block 106144, the lower end of the top plate of the mounting sleeve 1069 opposite to the top of the first magnetic block 106144 is fixedly connected with a second magnetic block 106145, the same magnetic poles of the second magnetic block 106145 and the first magnetic block 106144 are oppositely arranged, a connecting rod 106146 is fixedly connected to the side wall of the L-shaped pressing plate 106143 at the lower end of the first magnetic block 106144, a rotary drum 106148 is movably arranged at the bottom of the mounting sleeve 1069 opposite to the lower end of the connecting rod 106146 through a supporting bar 106147, a slapping plate 106149 is fixedly connected to the outer wall of the rotary drum 106148 at the side close to the cleaning blade 10, a fixed rope 1061410 is fixedly connected to the side wall of the rotary drum 106148 adjacent to the slapping plate 106149, the end of the fixed rope 1061410 runs through and extends to the inside back of fixed cover 106141 and is fixed continuous with connecting rod 106146, and the axostylus axostyle of rotary drum 106148 end runs through and extends to the inside cavity of support bar 106147, and the winding is provided with clockwork spring 1061411 on the inside rotary drum 106148 axostylus axostyle outer wall of cavity.
Specifically, the pneumatic lifting module 104 lowers the height of the mounting housing 1062, so that the bottom of the slitting tool 1065 and the lower end of the anti-sticking piece 10614 at the bottom of the positioning housing 1067 contact and press the film body, then the mounting housing 1062 is driven downward, the mounting housing 1062 moves downward to compress the elastic component 1063 and press the slitting tool 1065, the thermostatic electric heating blocks 1066 at the two sides of the slitting tool 1065 heat the film body at a constant temperature, the slitting tool 1065 performs vertical fusion cutting on the film body under the pressing of the mounting housing 1062, the top plate of the through hole 1068 in the side wall of the mounting housing 1062 presses the steel cable 10613 downward when the mounting housing 1062 moves downward, the movable connector 1064 moves upward relative to the positioning housing 1067, the movable connector 1064 pulls the steel cable 10613 to slide around the bottom of the winding board 10612, the steel cable 10613 pulls the spring rod 10611 to move obliquely, the tail end of the cleaning blade 10610 is pushed out of the mounting sleeve 1069 at the bottom of the positioning housing 1067, and the tail end of the cleaning blade 10610 is obliquely close to the bottom of the slitting tool 1065, carry out oblique cutting processing to the membrane body fused cut department from cutting tool 1065 both sides slant, simultaneously antiseized glutinous piece 10614 slapping board 106149 laminating membrane body deflects, barrel 106148 is rotatory to be taken up clockwork spring 1061411 on the axostylus axostyle, cutting tool 1065 shifts up after that, antiseized glutinous piece 10614 separates with the membrane body, clockwork spring 1061411 releases and drives barrel 106148 and carry out reverse rotation, promote slapping board 106149 slapping membrane body fused cut end, cause the damage of dragging after avoiding membrane body fused cut end to glue cutting tool 1065, convenient practicality.
In order to better show the melt-cutting guide device for the films with different thicknesses suitable for the plastic packaging bags, the embodiment provides a use method of the melt-cutting guide device for the films with different thicknesses suitable for the plastic packaging bags, which comprises the following implementation steps:
the method comprises the following steps: after entering from the inlet of the through hole 6 at the side end of the machine base 1, the film body passes through the space between the first guide roller 72 and the second guide roller 76 on the movable bottom frame 74 and the fixed top frame 71, then the film body penetrates out from the outlet and is placed on the punching and cutting plate 101, and the film body is connected with a traction device after being wound by the limiting roller 103;
step two: the thickness sensor 12 detects the thickness of the film body and transmits information to the intelligent controller 2, the driving motor 4 is started to drive the moving sleeve 79 to move by utilizing the adjusting screw 5, the moving sleeve 79 drives the driving rod 78 to deflect and move to lift the moving bottom frame 74, the moving bottom frame 74 drives the second guide rollers 76 to lift the film body to alternately extrude the bottom end of the first guide roller 72, and the film body is guided, clamped and bent and tensioned;
step three: when the film body is drawn and slides between the first guide roller 72 and the second guide roller 76, the semi-annular air cushions 722 on the outer walls of the adjacent first guide roller 72 and the second guide roller 76 are intermittently rotated and extruded with each other, the semi-annular air cushions 722 convey air into the air guide ring 723 through the air ducts 724 after being extruded, and the air guide ring 723 channels the air into the piston cylinder 726 to push the piston rod 727 to move back and forth;
step four: when the piston rod 727 drives the leveling scraper 728 to move back and forth, the eccentric ball 7287 in the shell 7281 utilizes inertia to pull the adjusting pull rope 7286 to drive the deflection plate 7283 to deflect, the deflection plate 7283 compresses the torsion spring 7284 and extends to the outside of the port of the mounting groove 725 on the outer wall of the guide roller, and the leveling scraper 728 moves from the middle of the film body to two sides to be leveled when being far away from the air guide ring 723;
step five: the film body stops pulling after tensioning and sliding for a certain distance from the first guide roller 72 to the second guide roller 76, the flattened film body is placed on the punching plate 101, the melt-cutting mechanism 10 performs melt-cutting on the flattened film body, and the film body continues pulling for fixed-length melt-cutting after the melt-cutting is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Different thickness film body fusion cutting guider suitable for plastic packaging bag, including frame (1) and intelligent control ware (2) of fixed connection on frame (1) lateral wall, frame (1) end bottom fixedly connected with fixed plate (3) of intelligent control ware (2) one side, fixedly connected with driving motor (4) on the outer wall of frame (1), driving motor (4) output end fixedly connected with accommodate the lead screw (5), accommodate the lead screw (5) run through its terminal laminating suspension in the bottom of frame (1) behind fixed plate (3), its characterized in that: a through opening (6) is formed in the side wall of the machine base (1) corresponding to the driving motor (4), a guide assembly (7) is fixedly connected between the inner walls of two sides of the through opening (6), a communicating groove (8) is formed in the bottom plate of the through opening (6) at the lower end of the guide assembly (7), the bottom of the guide assembly (7) extends to the lower end of the machine base (1) through the communicating groove (8), the tail end of the guide assembly (7) at the bottom of the machine base (1) is movably connected with an adjusting screw rod (5), a supporting plate (9) is fixedly connected to the outer wall of one end, far away from the driving motor (4), of the machine base (1), the supporting plate (9) is arranged below the through opening (6), the top of the supporting plate (9) is fixedly connected to a melt-cutting mechanism (10), a U-shaped hanging plate (11) is fixedly connected to the outer wall of the top of the port of the through opening (6) at one end, far away from the melt-cutting mechanism (10), of the machine base (1), both sides of the lower end of the U-shaped hanging plate (11) are respectively fixedly connected with a thickness sensor (12), and the thickness sensors (12) are suspended outside the port of the through opening (6);
the guide assembly (7) comprises a fixed top frame (71) fixedly connected between inner walls on two sides of the through opening (6) and a first guide roller (72) movably arranged between the inner walls on two ends of the fixed top frame (71), four corners of the bottom of the fixed top frame (71) are fixedly connected with guide rods (73), the lower ends of the guide rods (73) movably penetrate through four corners of the movable bottom frame (74), buffer springs (75) are wound on the outer walls of the guide rods (73) between the movable bottom frame (74) and the fixed top frame (71), second guide rollers (76) are uniformly and movably arranged between the inner walls on two ends of the movable bottom frame (74), a positioning cross rod (77) is fixedly connected to the middle part of the lower end of the movable bottom frame (74), the positioning cross rod (77) is suspended at the bottom of the movable bottom frame (74), a drive rod (78) is movably connected to the side wall of the positioning cross rod (77), and the tail end of the drive rod (78) is movably connected to the top of the movable sleeve (79), the movable sleeve (79) is movably clamped in the through opening (6), and the lower end of the movable sleeve (79) extends to the bottom of the through opening (6) and then is movably sleeved on the outer wall of the adjusting screw rod (5).
2. The melt-cutting guide for films of different thicknesses to be used in plastic bags according to claim 1, wherein: first guide roll (72) including commentaries on classics roller (721) and fixed cover connect half annular air cushion (722) on commentaries on classics roller (721) both sides end department outer wall, change the gomphosis on the middle part department outer wall of roller (721) and install air guide ring (723), air guide ring (723) are linked together with half annular air cushion (722) through air duct (724) that commentaries on classics roller (721) inside set up, and evenly spaced apart on commentaries on classics roller (721) outer wall of air guide ring (723) both sides is equipped with mounting groove (725), fixedly connected with piston inflator (726) that are linked together on mounting groove (725) both sides outer wall in mounting groove (725), piston rod (727) have been cup jointed in the port activity of piston inflator (726) terminal, evenly spaced apart fixedly connected with smooths scraper blade (728) on the outer wall of piston rod (727).
3. The melt-cutting guide for films of different thicknesses to be used in plastic bags according to claim 2, wherein: the first guide rollers (72) are arranged in a staggered mode and parallel to the second guide rollers (76), the structural composition of the first guide rollers (72) is the same as that of the second guide rollers (76), one-way air inlet holes (729) are formed in the outer wall of the semi-annular air cushion (722), one end of the semi-annular air cushion (722) is provided with a notch, the length of the notch is one third of the perimeter of the rotating roller (721), and the diameter of the air guide ring (723) is the same as that of the rotating roller (721).
4. The melt-cutting guide for films of different thicknesses to be used in plastic bags according to claim 3, wherein: the axostylus axostyle of first guide roll (72) one end runs through the outside that extends to fixed top frame (71), its terminal fixedly connected with gear (711), cup joint through same chain (712) between adjacent gear (711), the terminal axostylus axostyle of first guide roll (72) of fixed top frame (71) outside middle part department extends to frame (1), it is connected with the rotating electrical machines output, and the axostylus axostyle of first guide roll (72) one end runs through and extends to the removal underframe (74) outside, its end cup joints through gear (711) and chain (712) mutually, the terminal axostylus axostyle of first guide roll (72) of removal underframe (74) outside middle part department extends to its outside through the bar through-hole on frame (1) lateral wall, first guide roll (72) end is connected with the rotating electrical machines output.
5. The melt-cutting guide for films of different thicknesses to be used in plastic bags according to claim 4, wherein: the flattening scraper blade (728) comprises a shell (7281) fixedly sleeved on the outer wall of the piston rod (727) and a mounting port (7282) arranged on the side wall of the shell (7281), the mounting port (7282) is arranged on the outer wall of one side, far away from the air guide ring (723), of the shell (7281) and close to the top, a deflection plate (7283) is movably arranged between the side walls of the mounting port (7282), the deflection plate (7283) extends into the shell (7281), the tail end of the deflection plate (7283) in the shell (7281) is connected with the inner wall of the shell (7281) through a torsion spring (7284), a directional wheel (7285) is fixedly connected on the inner wall of the shell (7281) at the lower end of the torsion spring (7284), an adjusting pull rope (7286) is fixedly connected at the bottom of the tail end of the deflection plate (7283), after the adjusting pull rope (7286) is threaded on the outer wall of the directional wheel (7285), an eccentric ball (7287) is fixedly connected at the tail end of the adjusting pull rope (7286), and the torsion spring (7284) is kept in a normal relaxation state, the tail end of a deflection plate (7283) outside the shell (7281) is suspended at the port of the mounting groove (725), the adjusting pull rope (7286) is in a tightened state at the moment, and the eccentric ball (7287) is attached to the inner wall of the shell (7281) at the lower end of the directional wheel (7285).
6. The melt-cutting guide for films of different thicknesses to be used in plastic bags according to claim 5, wherein: melt and cut mechanism (10) including fixed connection in die-cut board (101) and fixed connection in U type seat (102) at die-cut board (101) one end top at backup pad (9) top, the activity is provided with spacing roller (103) between U type seat (102) lateral wall, spacing roller (103) are suspended in backup pad (9) and are kept away from the top of frame (1) one end, U type seat (102) upper end middle part department fixedly connected with pneumatic lifting module (104), the activity is provided with on the outer wall of pneumatic lifting module (104) removes mount pad (105), the bottom fixedly connected with of removing mount pad (105) melts and cuts piece (106), die-cut board (101) upper end corresponds melts and cuts piece (106) department and is provided with lets aqueduct (107).
7. The melt-cutting guide for films of different thicknesses suitable for plastic packaging bags according to claim 6, wherein: the cutting piece (106) comprises a fixed suspender (1061) fixedly connected to the bottom of the movable mounting base (105) and an installation shell cover (1062) fixedly connected to the bottom of the fixed suspender (1061), the installation shell cover (1062) is installed at the lower end of a top plate of the shell cover (1062), a movable connector (1064) is fixedly connected to the lower end of the elastic component (1063), a slitting cutter (1065) is fixedly connected to the bottom of the movable connector (1064), the lower end of the slitting cutter (1065) penetrates through and extends to the lower end of the installation shell cover (1062), a constant-temperature electric heating block (1066) is fixedly connected to the outer walls of two sides of the slitting cutter (1065) at the bottom port of the installation shell cover (1062), positioning covers (1067) are fixedly connected to the outer walls of two sides of the installation shell cover (1062), and the positioning covers (1067) are communicated with the installation shell cover (1062) through communication holes (1068).
8. The melt-cutting guide for films of different thicknesses to be used in plastic bags according to claim 7, wherein: the bottom of the positioning cover (1067) is obliquely provided with a mounting sleeve (1069), a cleaning blade (10610) is movably sleeved in the mounting sleeve (1069), the tail end of the cleaning blade (10610) is obliquely arranged corresponding to the slitting cutter (1065), the other end of the cleaning blade (10610) extends into the bottom of the positioning cover (1067), the tail end of the cleaning blade (10610) is fixedly connected with a spring rod (10611), the lower end of the top plate of the positioning cover (1067) at the position adjacent to the connecting end of the cleaning blade (10610) is fixedly connected with a winding plate (10612), the lower end of the winding plate (10612) is suspended at the position adjacent to the spring rod (10611) in a pressing manner, the tail end of the spring rod (10611) is fixedly connected with a steel cable rope (10613), after the steel cable (10613) is wound from the bottom of the winding plate (10612), the tail end of the steel cable rope (10613) extends into the mounting cover (1062) through a communication hole (1068), and the steel cable (10613) is fixedly connected with the side wall of the movable connector (1064), the bottom of the mounting sleeve (1069) is fixedly connected with an anti-sticking piece (10614).
9. The melt-cutting guide for films of different thicknesses to be used in plastic bags according to claim 8, wherein: the anti-sticking piece (10614) comprises a fixing sleeve (106141) fixedly connected to the bottom of the mounting sleeve (1069) and a positioning cylinder (106142) fixedly connected to a bottom plate of the fixing sleeve (106141), an L-shaped pressing plate (106143) is movably sleeved in the positioning cylinder (106142), the lower end of the L-shaped pressing plate (106143) is suspended at the bottom of the fixing sleeve (106141), the top of the L-shaped pressing plate (106143) at the upper end of the positioning cylinder (106142) is fixedly connected to a first magnetic block (106144), the lower end of the top plate of the mounting sleeve (1069) opposite to the top of the first magnetic block (106144) is fixedly connected to a second magnetic block (106145), the second magnetic block (106145) and the first magnetic block (106144) are oppositely arranged in same name magnetic pole, a connecting rod (106146) is fixedly connected to the side wall of the L-shaped pressing plate (106143) at the lower end of the first magnetic block (106144), the bottom of the mounting sleeve (1069) opposite to the lower end of the connecting rod (106146) is movably connected to a rotary drum (106148) through a supporting bar (106147), a rotary drum (106148) is movably connected to a rotary drum (106149) through a supporting bar (106148), the outer wall of the cleaning blade (10610) near one side is fixedly connected to the rotary drum (106149), fixedly connected with fixed rope (1061410) on the rotary drum (106148) lateral wall of slapping board (106149) adjacent department, the end of fixed rope (1061410) runs through extend to fixed cover (106141) inside back with connecting rod (106146) fixed linking to each other, the axostylus axostyle of rotary drum (106148) end runs through extend to in the inside cavity of support bar (106147), the winding is provided with clockwork spring (1061411) on the rotary drum (106148) axostylus axostyle outer wall of cavity inside.
10. The method for using the melt-cutting guide device for the film bodies with different thicknesses in the plastic packaging bag according to claim 9, is characterized by comprising the following implementation steps of:
s1: after entering from the inlet of a through hole (6) which is penetrated through the side end of a machine base (1), a film body passes through a movable bottom frame (74) and a first guide roller (72) and a second guide roller (76) on a fixed top frame (71), then the film body passes through an outlet and is placed on a punching and cutting plate (101), and the film body is connected with a traction device after passing through a limiting roller (103);
s2: the thickness sensor (12) detects the thickness of the film body and transmits information to the intelligent controller (2), the driving motor (4) is started to drive the moving sleeve (79) to move by utilizing the adjusting screw rod (5), the moving sleeve (79) drives the driving rod (78) to deflect and move the jacking moving bottom frame (74), the moving bottom frame (74) drives the second guide roller (76) to jack the film body to alternatively extrude the bottom end of the first guide roller (72), and the film body is guided, clamped and bent and tensioned;
s3: when the film body is pulled and slides between the first guide roller (72) and the second guide roller (76), the semi-annular air cushions (722) on the outer walls of the adjacent first guide roller (72) and the second guide roller (76) rotate and extrude with each other intermittently, the semi-annular air cushions (722) convey air into the air guide ring (723) through the air guide pipes (724) after being extruded, and the air guide ring (723) channels the air into the piston air cylinder (726) to push the piston rod (727) to move back and forth;
s4: when the piston rod (727) drives the smoothing scraper blade (728) to move back and forth, an eccentric ball (7287) in the shell (7281) utilizes inertia to pull an adjusting pull rope (7286) to drive a deflection plate (7283) to deflect, the deflection plate (7283) compresses a torsion spring (7284) and extends to the outside of the port of an installation groove (725) in the outer wall of the guide roller, and the smoothing scraper blade (728) moves from the middle of the membrane body to two sides to smooth when being far away from the air guide ring (723);
s5: the film body stops drawing after tensioning and sliding for a certain distance from the first guide roller (72) to the second guide roller (76), the flattened film body is placed on the punching plate (101), the melt-cutting mechanism (10) performs melt-cutting on the flattened film body, and the film body continues to draw for fixed-length melt-cutting after the melt-cutting is completed.
CN202210871886.1A 2022-07-23 2022-07-23 Melt cutting guiding device and method applicable to plastic packaging bags with films of different thicknesses Active CN115107320B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210871886.1A CN115107320B (en) 2022-07-23 2022-07-23 Melt cutting guiding device and method applicable to plastic packaging bags with films of different thicknesses

Applications Claiming Priority (1)

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CN202210871886.1A CN115107320B (en) 2022-07-23 2022-07-23 Melt cutting guiding device and method applicable to plastic packaging bags with films of different thicknesses

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CN215325992U (en) * 2021-06-04 2021-12-28 江苏永润包装材料有限公司 PVC membrane production is with adjusting size overspeed device tensioner in real time
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GB873726A (en) * 1958-09-15 1961-07-26 Hesser Ag Maschf Apparatus for fabricating flat and bottom-folding bags
JP5919453B1 (en) * 2016-01-29 2016-05-18 ニューロング株式会社 String guiding device
EP3278969A1 (en) * 2016-08-05 2018-02-07 Mobert S.r.l Device for die cutting bags with handles of the shopper type wound in a roll
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CN209159043U (en) * 2018-12-11 2019-07-26 厦门乐拓工贸有限公司 A kind of automatic soft plastic hand bag electrode holder machine
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CN216175332U (en) * 2021-11-08 2022-04-05 涿州北方重工设备设计有限公司 Roller cleaner for supporting roller
CN216736835U (en) * 2021-12-30 2022-06-14 苏州建豪光电科技有限公司 Roller type front smoothing device
CN114714668A (en) * 2022-04-22 2022-07-08 常州科美智能科技有限公司 Roll up membrane fifty percent discount device

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