CN115674783A - Plastic packaging bag automatic production line - Google Patents
Plastic packaging bag automatic production line Download PDFInfo
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- CN115674783A CN115674783A CN202211386023.1A CN202211386023A CN115674783A CN 115674783 A CN115674783 A CN 115674783A CN 202211386023 A CN202211386023 A CN 202211386023A CN 115674783 A CN115674783 A CN 115674783A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 95
- 239000004033 plastic Substances 0.000 title claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000010008 shearing Methods 0.000 claims description 57
- 238000005520 cutting process Methods 0.000 claims description 41
- 238000003825 pressing Methods 0.000 claims description 36
- 239000002699 waste material Substances 0.000 claims description 34
- 230000006698 induction Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 7
- 239000013502 plastic waste Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 27
- 238000007789 sealing Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 244000309464 bull Species 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- 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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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model relates to a plastic packaging bag automatic production line relates to plastic packaging bag processing equipment technical field, it includes the organism, the top of organism is equipped with the sword that shears that is used for cuting plastic coiled material, the top of organism is equipped with the braced frame who is used for supporting and shears the sword, braced frame's both sides are equipped with and are used for driving actuating cylinder that drives that braced frame goes up and down, braced frame is equipped with the replacement sword that is used for the replacement to shear the sword, replace the tool changing and shear the sword equivalence, the replacement sword with shear sword parallel arrangement, replace the tool changing and shear the sword and all be equipped with the replacement subassembly, braced frame is equipped with and is used for reseing the reset subassembly that replaces the tool changing. This application has the effect that improves work efficiency.
Description
Technical Field
The application relates to the technical field of plastic packaging bag processing equipment, in particular to an automatic production line for plastic packaging bags.
Background
At present, along with the continuous improvement of living standard of people, the production technology and the production speed of people in various industries are continuously improved so as to meet the requirement of continuous improvement, and the plastic bag is convenient to use and is inseparable to our daily life.
At present, plastic bags are produced by conveying, heat sealing, shearing, collecting, cutting and the like of plastic coiled materials to complete the production process flow of plastic packaging bags. The shearing process generally uses a shearing knife to shear the plastic coiled material.
According to the related technology, in the shearing process, after the shearing knife is used for a period of time, the shearing knife is abraded, the shearing knife needs to be replaced, the process of replacing the shearing knife needs to be stopped, and the working efficiency is reduced.
Disclosure of Invention
In order to improve work efficiency, this application provides a plastic packaging bag automatic production line.
The application provides a plastic packaging bag automatic production line adopts following technical scheme:
the utility model provides a plastic packaging bag automatic production line, includes the organism, the top of organism is equipped with the sword that shears that is used for cuting plastic coiled material, and the top of organism is equipped with the braced frame who is used for supporting to shear the sword, and braced frame's both sides are equipped with and are used for driving actuating cylinder that drives that braced frame goes up and down, and braced frame is equipped with the replacement sword that is used for the replacement to shear the sword, replaces the sword and shears the sword equivalence, replacement sword and shear sword parallel arrangement, replace the sword and shear the sword and all be equipped with the change subassembly, and braced frame is equipped with the reset assembly who is used for reseing and replaces the sword.
Through adopting above-mentioned technical scheme, plastic coiled material carries to shearing sword department, drives actuating cylinder control and shears the sword and cut, and braced frame plays the supporting role to shearing the sword, shears the sword and uses after a period, need change, and the change subassembly is changed and is sheared the sword and be the replacement sword, and reset assembly makes the replacement sword be located former shearing sword department, and then replaces the sword to shear plastic coiled material, is favorable to reducing to shut down and changes the phenomenon of shearing the sword, and then is favorable to improving work efficiency.
Optionally, two chutes are formed in the supporting frame, the shearing knife and the replacing knife are respectively connected to the chutes of the supporting frame in a sliding mode, the first connecting blocks are fixedly connected to the two ends of the shearing knife, the second connecting blocks are fixedly connected to the two ends of the replacing knife, the replacing assembly comprises two first supporting springs used for supporting the first connecting blocks, two second supporting springs used for supporting the second connecting blocks, two first pressing plates used for pressing the first connecting blocks, two second pressing plates used for pressing the second connecting blocks and driving pieces used for driving the first pressing plates and the second pressing plates to rotate, the first pressing plates press the first connecting blocks, the first supporting springs are in a contraction state, cutting edges of the shearing knife penetrate through the chutes, the second pressing plates are separated from the second connecting blocks, the second supporting springs are in an original length state, and the backs of the replacing knife are located above the chutes.
Through adopting above-mentioned technical scheme, supporting spring one supports through a pair of sword of shearing of connecting block, cuts the sword during operation, and clamp plate one compresses tightly connecting block one, and supporting spring shrink is sheared sword cutting edge and is passed the spout, starts to drive actuating cylinder, drives actuating cylinder and drives braced frame decline, and braced frame drives and shears the sword decline, and then is convenient for shear plastic coiled material. When the shearing knife needs to be replaced, the driving piece drives the first pressing plate to rotate, so that the first pressing plate is separated from the first connecting block, the first supporting spring resets, and the back of the shearing knife stretches out of the upper portion of the sliding groove. Meanwhile, the second pressing plate rotates, the second pressing plate presses the second connecting block, and the second connecting block presses the second supporting spring, so that the cutting edge of the replacing knife penetrates through the sliding groove, and the replacing of the shearing knife is convenient to complete.
Optionally, the driving piece comprises a first rotating rod, a second rotating rod, a driving gear, a driven gear and a driving motor, the driving motor is fixedly connected with the supporting frame, an output shaft of the driving motor is coaxially connected with the second rotating rod, the first rotating rod is rotatably connected with the supporting frame, the first rotating rod is parallel to the second rotating rod, the first rotating rod is coaxially connected with the driven gear, the second rotating rod is coaxially connected with the driving gear, the driving gear is meshed with the driven gear, the first pressing plate is fixedly connected with the first rotating rod, and the second pressing plate is fixedly connected with the second rotating rod.
Through adopting above-mentioned technical scheme, when needing to change and cuting the sword, start driving motor, driving motor's output shaft drives two rotations of bull stick, and two drive driving gears of bull stick rotate, and two drive clamp plates of bull stick rotate, make two press down connecting block two of clamp plate, and then make the cutting edge of replacing the sword pass the spout. The driving gear drives the driven gear to rotate, the driven gear drives the rotating rod to rotate, the rotating rod drives the pressing plate I to be separated from the connecting block I, and then the shearing knife and the replacing knife are synchronously alternated, so that the replacement efficiency is improved, and the non-stop replacement is realized.
Optionally, the reset assembly comprises two driving screws for driving the support frame to move transversely and a transverse moving motor for driving the driving screws to rotate, the driving screws are horizontally arranged on two sides of the machine body, the lower end of the driving cylinder is in threaded fit with the driving screws, the cylinder body of the driving cylinder is in sliding connection with the machine body, the two driving screws are arranged in parallel, the transverse moving motor is fixedly connected with the machine body, and the output shaft of the transverse moving motor is coaxially connected with the driving screws.
Through adopting above-mentioned technical scheme, when changing, start the sideslip motor, the output shaft of sideslip motor drives the drive lead screw and rotates, and the drive lead screw drives and drives the sideslip of actuating cylinder, and then drives the connection frame sideslip, makes the replacement sword remove to the position department of former shearing sword, and then is convenient for cut plastic coiled material.
Optionally, one side of shearing the sword is equipped with the backup pad that is used for accepting the plastic bag, and two recesses have been seted up to one side that the sword was kept away from to the backup pad, and one side that the sword was kept away from to the backup pad is equipped with two air jig that are used for the centre gripping plastic bag, air jig and recess looks adaptation, and the one end that air jig kept away from the backup pad is connected with the sideslip cylinder that is used for driving the air jig sideslip, and sideslip cylinder level sets up, and the lower extreme of sideslip cylinder is equipped with the brace table that is used for supporting the sideslip cylinder.
Through adopting above-mentioned technical scheme, the plastic bag after the backup pad is sheared is accepted, starts the sideslip cylinder, and the piston rod of sideslip cylinder stretches, drives pneumatic fixture sideslip to groove, and pneumatic fixture presss from both sides the plastic bag to the top of brace table, and then is convenient for carry the plastic bag.
Optionally, the top of brace table is equipped with the cutting assembly who is used for cutting the plastic bag, and cutting assembly is including cutting the sword, being used for the drive to cut the lift cylinder that the sword goes up and down and the link that is used for supporting the lift cylinder, and link and brace table's up end fixed connection, the plastics waste material has been seted up to the upper end of brace table and has been passed through the waste material mouth, and brace table's waste material department has seted up the inserting groove, and the inserting groove evenly sets up along waste material mouth circumference, cuts sword and inserting groove looks adaptation.
Through adopting above-mentioned technical scheme, after the plastic bag is carried to a supporting bench, start the lift cylinder, the lift cylinder drives and cuts the sword decline, cuts the sword and pegs graft in inserting groove department, cuts the sword and cuts the plastic bag, and the plastics waste material that cuts passes through the waste material mouth and discharges, and the process of messenger's processing plastic bag handle is more convenient. And a plurality of plastic bags are cut simultaneously, so that the processing efficiency is improved.
Optionally, the piston rod of lift cylinder is connected with the connecting rod that is used for connecting and cuts the sword, and the one end that the lift cylinder was kept away from to the connecting rod with cut sword fixed connection, be equipped with ejecting cylinder in the connecting rod, the piston rod fixedly connected with of ejecting cylinder is used for pushing up plastics waste material to the intraoral ejector pin of waste material, and the ejector pin is just to the waste material mouth, and the ejector pin is located and cuts sword center department.
Through adopting above-mentioned technical scheme, cut when the plastic bag and accomplish the back, start ejecting cylinder, ejecting cylinder drives the ejector pin and descends, pushes up the plastics waste material to the waste material intraoral, and then is convenient for collect the plastics waste material, is favorable to reducing the cutting process that the plastics waste material influences follow-up plastic bag.
Optionally, the supporting bench is provided with a detection and control circuit, and the detection and control circuit comprises an induction module, a comparison module and a control module:
the sensing module comprises a pressure sensor, the pressure sensor is arranged in the inserting groove and is used for sensing the pressure of the spherical graphite and outputting a sensing signal;
the comparison module is electrically connected with the induction module and is used for receiving an induction signal of the induction module, comparing a voltage value corresponding to the induction signal with a preset voltage value when the comparison module receives the induction signal, and if the voltage value of the induction signal is greater than the preset voltage value, outputting a starting signal by the comparison module;
and the control module is electrically connected with the comparison module and is used for receiving a starting signal of the comparison module, and when the control module receives the starting signal, the control module outputs a control signal which controls the opening and closing of the ejection cylinder.
Through adopting above-mentioned technical scheme, the pressure of cutter is cut in the response module response, output sensing signal, comparison module receives sensing signal, comparison module compares received sensing signal's magnitude of voltage with predetermineeing the magnitude of voltage, if the magnitude of voltage that sensing signal corresponds is greater than predetermined magnitude of voltage, then output start signal, control module receives start signal, output control signal, control signal control ejection cylinder starts, ejection cylinder drives the ejector pin and pushes up plastics waste material to scrap gate department, the in-process that makes the cutting is handled the waste material, be favorable to improving machining efficiency.
To sum up, this application includes following at least one kind plastic packaging bag automatic production line beneficial technical effect:
1. by arranging the replacement tool, the shearing tool needs to be replaced after being used for a period of time, the replacement assembly replaces the shearing tool to be a replacement tool, the replacement assembly enables the replacement tool to be located at the original shearing tool, and then the replacement tool replaces the tool to shear the plastic coiled material, so that the phenomenon of stopping the machine and replacing the shearing tool is reduced, and the working efficiency is improved;
2. through setting up ejecting cylinder and ejector pin, cut when the plastic bag and accomplish the back, start ejecting cylinder, ejecting cylinder drives the ejector pin and descends, pushes up the plastics waste material to the waste material intraoral, and then is convenient for collect the plastics waste material, is favorable to reducing the cutting process that the plastics waste material influences follow-up plastic bag.
Drawings
Fig. 1 is a schematic view of the overall structure of an automatic production line for plastic packaging bags.
Fig. 2 is a schematic view showing the structure of the shearing mechanism according to the present application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
FIG. 4 is a schematic view of the first support spring according to the present application.
FIG. 5 is a schematic view showing the structure of the ejector pin according to the present invention.
FIG. 6 is a schematic diagram showing the structure of the sensing module, the comparing module and the control module.
Description of reference numerals: 1. a body; 11. a support frame; 12. rotating the rod; 2. a conveying mechanism; 21. a conveying roller; 3. a heat sealing mechanism; 31. a heat seal knife; 32. a support cylinder; 4. a shearing mechanism; 41. a shearing knife; 42. a support frame; 43. a driving cylinder; 44. replacing the tool; 45. replacing the component; 46. resetting the assembly; 411. a first connecting block; 441. a second connecting block; 451. a first supporting spring; 452. a second support spring; 453. pressing a first plate; 454. pressing a second plate; 47. a drive member; 471. a first rotating rod; 472. a second rotating rod; 473. a driving gear; 474. a driven gear; 475. a drive motor; 461. driving a lead screw; 462. a traversing motor; 5. a transfer mechanism; 51. a support table; 52. a pneumatic clamp; 53. a transverse moving cylinder; 54. a support plate; 6. a cutting mechanism; 61. cutting the assembly; 62. a connecting rod; 63. ejecting out the cylinder; 64. a top rod; 611. a connecting frame; 612. a lifting cylinder; 613. cutting knife; 7. a sensing module; 8. a comparison module; 9. a control module; 71. a pressure sensor.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a plastic packaging bag automatic production line.
Referring to fig. 1, an automatic production line for plastic packaging bags comprises a machine body 1, a conveying mechanism 2, a heat sealing mechanism 3, a shearing mechanism 4, a transferring mechanism 5 and a cutting mechanism 6. Conveying mechanism 2, heat-seal machine construct 3, shear mechanism 4, transport mechanism 5 and cut mechanism 6 and all be connected with organism 1 and set gradually. Conveying mechanism 2 carries plastic coiled material, makes plastics keep away from and loops through heat-sealing mechanism 3 and shearing mechanism 4, and heat-sealing mechanism 3 carries out the heat-seal to plastic coiled material, and shearing mechanism 4 shears the plastic coiled material after the heat-seal is accomplished, and transport mechanism 5 transports the plastic bag of having cut to cutting mechanism 6 below, cuts mechanism 6 and cuts the plastic bag shaping.
Referring to fig. 1, a machine body 1 is a rectangular body, a support frame 11 is disposed at one end of the machine body 1, a rotating rod 12 is rotatably connected to the upper end of the support frame 11, and the rotating rod 12 is rotatably connected to the support frame 11. Need add man-hour to plastic coiled material, overlap plastic coiled material's inner circle to dwang 12 on, dwang 12 cooperatees with support frame 11, supports plastic coiled material, is convenient for process plastic coiled material.
Referring to fig. 1, the conveying mechanism 2 includes a plurality of conveying rollers 21 and a power motor (not shown in the figure) for driving the conveying rollers 21 to rotate, the conveying rollers 21 are rotatably connected to the upper end of the machine body 1, the conveying rollers 21 are horizontally arranged, and the conveying rollers 21 are arranged to extend in the width direction of the machine body 1. The feed rollers 21 feed the plastic web, which in turn facilitates processing of the plastic web.
Referring to fig. 1, the heat-sealing mechanism 3 includes a heat-sealing knife 31 and two supporting cylinders 32, the heat-sealing knife 31 is horizontally disposed, the heat-sealing knife 31 extends along the width direction of the machine body 1, the supporting cylinders 32 are vertically disposed on two sides of the machine body 1, and piston rods of the two supporting cylinders 32 are respectively and fixedly connected to two ends of the heat-sealing knife 31.
Referring to fig. 1, the conveying roller 21 conveys the plastic coiled material to the lower side of the heat-sealing knife 31, the piston rod of the supporting cylinder 32 contracts to drive the heat-sealing knife 31 to descend, and the heat-sealing knife 31 performs heat sealing on the plastic coiled material, so that the process of processing the plastic bag is more convenient.
Referring to fig. 2 and 3, it includes shearing sword 41 to shear mechanism 4, braced frame 42, two drive actuating cylinder 43, replacement sword 44, change subassembly 45 and reset assembly 46, two drive actuating cylinder 43 and set up respectively in organism 1's both sides, drive the vertical setting of actuating cylinder 43, two piston rods that drive actuating cylinder 43 respectively with braced frame 42's both ends fixed connection, braced frame 42 has seted up two spouts, it locates in the spout of support frame 11 to shear sword 41 and replacement sword 44 sliding connection respectively, it is equal with replacement sword 44 to shear sword 41, the equal fixedly connected with connecting block 411 in both ends of shearing sword 41 (refer to fig. 4), replace equal fixedly connected with connecting block two 441 in both ends of sword 44.
Referring to fig. 2 and 3, the replacing assembly 45 includes two first supporting springs 451 (see fig. 4), two second supporting springs 452, two first pressing plates 453, two second pressing plates 454 and two sets of driving members 47, the first supporting springs 451 are fixedly connected in the sliding grooves of the supporting frame 42, the first supporting springs 451 are vertically arranged, the first connecting block 411 is movably connected to the upper ends of the first supporting springs 451, the second supporting springs 452 are fixedly connected in the sliding grooves of the supporting frame 42, the second supporting springs 452 are vertically arranged, the second connecting block 441 is movably connected to the upper ends of the second supporting springs 452, the first pressing plate 453 is movably connected to the upper end face of the first connecting block 411, and the second pressing plates 454 are movably connected to the upper end face of the second connecting block 441.
Referring to fig. 2 and 3, the driving member 47 includes a first rotating rod 471, a second rotating rod 472, a driving gear 473, a driven gear 474 and a driving motor 475, the driving motor 475 is fixedly connected to the support frame 42, an output shaft of the driving motor 475 is coaxially connected to the second rotating rod 472, the first rotating rod 471 is rotatably connected to the support frame 42, the first rotating rod 471 is arranged in parallel to the second rotating rod 472, the first rotating rod 471 is coaxially connected to the driven gear 474, the second rotating rod 472 is coaxially connected to the driving gear 473, the driving gear 473 is engaged with the driven gear 474, the first pressing plate 453 is fixedly connected to the first rotating rod 471, and the second pressing plate 454 is fixedly connected to the second rotating rod 472.
Referring to fig. 2 and 3, the reset mechanism includes two driving screws 461 and two traverse motors 462, the two traverse motors 462 are fixedly connected to two sides of the machine body 1, an output shaft of the traverse motor 462 is coaxially connected to the driving screws 461, the driving screws 461 are horizontally arranged, a cylinder body of the driving cylinder 43 is in threaded fit with the driving screws 461, and the driving cylinder 43 is slidably connected to the machine body 1.
Referring to fig. 2 and 3, the plastic coiled material is conveyed to the shearing knife 41, the driving cylinder 43 controls the shearing knife 41 to shear the plastic coiled material, when the shearing knife 41 needs to be replaced, the driving motor 475 is started, the driving motor 475 drives the second rotating rod 472 to rotate, the second rotating rod 472 drives the driving gear 473 to rotate, the driving gear 473 drives the driven gear 474 to rotate, the first pressing plate 453 is separated from the first connecting block 411, the first supporting spring 451 resets to drive the first connecting block 411 to ascend, the first connecting block 411 drives the shearing knife 41 to ascend, and the back of the shearing knife 41 is located above the sliding groove. Meanwhile, the second pressing plate 454 presses the second connecting block 441, the second connecting block 441 presses the second supporting spring 452, the tool 44 descends instead of penetrating through the sliding groove, the cutting edge of the tool 44 instead of penetrates through the sliding groove, and then the shearing tool 41 and the replacing tool 44 complete synchronous alternation, so that the replacement efficiency is improved, the non-stop replacement is realized, and the processing efficiency is improved. Meanwhile, the traversing motor 462 is started, the output shaft of the traversing motor 462 drives the driving lead screw 461 to rotate, the driving lead screw 461 drives the driving cylinder 43 to traverse, and the replacing knife 44 is reset to the original shearing knife 41, so that the plastic coiled material is conveniently sheared.
Referring to fig. 2 and 5, the transfer mechanism 5 includes a support table 51, two pneumatic clamps 52, two traverse cylinders 53 and two support plates 54, the support plates 54 are fixedly connected with the machine body 1, the support plates 54 are located on one side of the shearing blade 41, the support table 51 is fixedly connected with the machine body 1, the traverse cylinders 53 are horizontally arranged on the upper end face of the support table 51, piston rods of the traverse cylinders 53 are fixedly connected with the pneumatic clamps 52, two grooves are formed in one side of the support plate 54 close to the pneumatic clamps 52, and the pneumatic clamps 52 are matched with the grooves. The support plate 54 supports the cut plastic bag, the traversing cylinder 53 is started, a piston rod of the traversing cylinder 53 is extended to drive the pneumatic clamp 52 to traverse to the groove, and the pneumatic clamp 52 clamps the plastic bag above the support table 51, so that the plastic bag is conveniently conveyed.
Referring to fig. 2 and 5, the cutting mechanism 6 includes a cutting assembly 61, a connecting rod 62, an ejection cylinder 63, a push rod 64 and a detection and control circuit, the cutting assembly 61 includes a connecting frame 611, a lifting cylinder 612 and a cutting knife 613, the connecting frame 611 is fixedly connected to the upper end surface of the supporting table 51, the lifting cylinder 612 is fixedly connected to the upper end of the connecting frame 611, a piston rod of the lifting cylinder 612 penetrates through one end of the connecting frame 611 to be fixedly connected with the connecting rod 62, the connecting rod 62 is vertically arranged, the lower end of the connecting rod 62 is fixedly connected with the cutting knife 613, the ejection cylinder 63 is fixedly connected in the connecting rod 62, the ejection cylinder 63 is vertically arranged, a piston rod of the ejection cylinder 63 is fixedly connected with the push rod 64, and the push rod 64 is vertically arranged. The upper end face of the supporting table 51 is provided with a waste material opening, the waste material opening of the supporting table 51 is provided with an insertion groove, the insertion groove is evenly arranged along the circumferential direction of the waste material opening, and the cutting knife 613 is matched with the insertion groove.
Referring to fig. 2 and 5, the plastic bag is conveyed to the upper side of the waste opening, the lifting cylinder 612 is started, the piston rod of the lifting cylinder 612 drives the connecting rod 62 to descend, the connecting rod 62 drives the cutting knife 613 to descend, the cutting knife 613 cuts the plastic bag, after the cutting knife 613 is inserted into the insertion groove, the ejection cylinder 63 is started, the piston rod of the ejection cylinder 63 is extended to drive the ejector rod 64 to descend, the ejector rod 64 pushes the cut plastic waste into the waste opening, and therefore the influence of the plastic waste on the subsequent cutting process of the plastic bag is favorably reduced.
Referring to fig. 6, the supporting platform 51 is provided with a detection and control circuit, and the detection and control circuit includes the sensing module 7, the comparison module 8 and the control module 9:
the sensing module 7 comprises a pressure sensor 71, the pressure sensor 71 is arranged in the insertion groove of the support table 51, the pressure sensor 71 senses the pressure of the cutting knife 613, and when the pressure sensor 71 senses the pressure, a sensing signal is output;
a comparison module 8, comprising:
a positive input end of the comparator T is electrically connected with the output end of the pressure sensor 71;
the base electrode of the triode Q is electrically connected with the output end of the comparator T;
one end of the resistor R1 is electrically connected with the collector of the triode Q, and the other end of the resistor R1 is electrically connected with a power supply VCC;
one end of the electromagnetic coil KA1 of the relay is electrically connected with the emitting electrode of the triode Q;
one end of the resistor R2 is electrically connected with one end, far away from the triode Q, of the electromagnetic coil KA1 of the relay, and the other end of the resistor R2 is grounded;
a control module 9 comprising:
one end of a normally open switch KA1-1 of the relay is electrically connected between an electromagnetic coil KA1 of the relay and a resistor R2;
one end of the ejection cylinder 63 is electrically connected with one end, far away from the resistor R2, of a normally open switch KA1-1 of the relay;
and one end of the resistor R3 is electrically connected with one end, away from the normally open switch KA1-1 of the relay, of the ejection cylinder 63, and the other end of the resistor R3 is grounded.
Referring to fig. 6, after the pressure sensor 71 senses the pressure of the cutting blade 613, a sensing signal is output, the comparator T receives the sensing signal, a voltage value corresponding to the sensing signal is compared with a preset voltage value, when the voltage value corresponding to the sensing signal is greater than the preset voltage value, a start signal is output, the control module 9 receives the start signal, a control signal is output, the ejection cylinder 63 is controlled to start, the ejection cylinder 63 drives the ejector rod 64 to eject the plastic waste to the waste port, so that the waste is synchronously processed in the cutting process, and the processing efficiency is improved.
The implementation principle of the automatic production line of the plastic packaging bags in the embodiment of the application is as follows: the conveying roller 21 conveys the plastic coiled material to the lower part of the heat-sealing knife 31, the piston rod of the supporting cylinder 32 contracts to drive the heat-sealing knife 31 to descend, and the heat-sealing knife 31 performs heat sealing on the plastic coiled material.
The plastic coiled material is conveyed to the shearing knife 41, the driving cylinder 43 controls the shearing knife 41 to shear the plastic coiled material, when the shearing knife 41 needs to be replaced, the driving motor 475 is started, the driving motor 475 drives the second rotating rod 472 to rotate, the second rotating rod 472 drives the driving gear 473 to rotate, the driving gear 473 drives the driven gear 474 to rotate, the first pressing plate 453 is separated from the first connecting block 411, the first supporting spring 451 resets, the first connecting block 411 is driven to ascend, the first connecting block 411 drives the shearing knife 41 to ascend, and the knife back of the shearing knife 41 is located above the sliding groove. Meanwhile, the second pressure plate 454 presses the second connecting block 441, the second connecting block 441 presses the second supporting spring 452, the replacement knife 44 descends, the cutting edge of the replacement knife 44 penetrates through the sliding groove, and then the shearing knife 41 and the replacement knife 44 finish synchronous alternation. Meanwhile, the traverse motor 462 is started, the output shaft of the traverse motor 462 drives the driving screw 461 to rotate, the driving screw 461 drives the driving cylinder 43 to traverse, and the replacement knife 44 is reset to the original shearing knife 41.
The support plate 54 receives the cut plastic bag, the traversing cylinder 53 is started, the piston rod of the traversing cylinder 53 is extended, the pneumatic clamp 52 is driven to traverse to the groove, and the pneumatic clamp 52 clamps the plastic bag above the support table 51.
The plastic bag is conveyed to the upper part of the waste opening, the lifting cylinder 612 is started, the piston rod of the lifting cylinder 612 drives the connecting rod 62 to descend, the connecting rod 62 drives the cutting knife 613 to descend, the cutting knife 613 cuts the plastic bag, after the cutting knife 613 is inserted into the insertion groove, the pressure sensor 71 senses the pressure of the cutting knife 613 and outputs a sensing signal, the comparator T receives the sensing signal, the voltage value corresponding to the sensing signal is compared with the preset voltage value, when the voltage value corresponding to the sensing signal is greater than the preset voltage value, the starting signal is output, the control module 9 receives the starting signal and outputs a control signal, the ejection cylinder 63 is controlled to be started, and the ejection cylinder 63 drives the ejector rod 64 to eject the plastic waste into the waste opening.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a plastic packaging bag automatic production line, includes organism (1), its characterized in that: the top of organism (1) is equipped with shearing sword (41) that are used for cuting plastic coiled material, the top of organism (1) is equipped with braced frame (42) that are used for supporting to cut sword (41), the both sides of braced frame (42) are equipped with and are used for driving actuating cylinder (43) that drives that braced frame (42) go up and down, braced frame (42) are equipped with replacement sword (44) that are used for the replacement to cut sword (41), replacement sword (44) and shearing sword (41) are equivalent, replacement sword (44) and shearing sword (41) parallel arrangement, replace sword (44) and cut sword (41) and all be equipped with replacement subassembly (45), braced frame (42) are equipped with reset subassembly (46) that are used for reseing for sword (44).
2. An automatic production line for plastic packaging bags according to claim 1, characterized in that: two chutes are formed in the supporting frame (42), the shearing knife (41) and the replacing knife (44) are respectively connected to the chutes of the supporting frame (42) in a sliding manner, a first connecting block (411) is fixedly connected to two ends of the shearing knife (41), a second connecting block (441) is fixedly connected to two ends of the replacing knife (44), the replacing assembly (45) comprises two first supporting springs (451) used for supporting the first connecting block (411), two second supporting springs (452) used for supporting the second connecting block (441), two first pressing plates (453) used for pressing the first connecting block (411), two second pressing plates (454) used for pressing the second connecting block (441) and a driving piece (47) used for driving the first pressing plates (453) and the second pressing plates (454) to rotate, the first connecting block (411) is pressed by the first pressing plates (453), the first supporting springs (451) are in a shrinking state, a cutting edge of the knife (41) penetrates through the chutes, the second pressing plates (454) are separated from the second connecting block (441), the second supporting springs (452) are in an original long state, and a back of the replacing knife (44) is positioned above the chutes.
3. An automatic production line for plastic packaging bags according to claim 2, characterized in that: the driving piece (47) comprises a first rotating rod (471), a second rotating rod (472), a driving gear (473), a driven gear (474) and a driving motor (475), the driving motor (475) is fixedly connected with the supporting frame (42), an output shaft of the driving motor (475) is coaxially connected with the second rotating rod (472), the first rotating rod (471) is rotatably connected with the supporting frame (42), the first rotating rod (471) is arranged in parallel with the second rotating rod (472), the first rotating rod (471) is coaxially connected with the driven gear (474), the second rotating rod (472) is coaxially connected with the driving gear (473), the driving gear (473) is meshed with the driven gear (474), the first pressing plate (453) is fixedly connected with the first rotating rod (471), and the second pressing plate (454) is fixedly connected with the second rotating rod (472).
4. An automatic production line for plastic packaging bags according to claim 1, characterized in that: the reset assembly (46) comprises two driving lead screws (461) for driving the supporting frame (42) to transversely move and a transverse moving motor (462) for driving the driving lead screws (461) to rotate, the driving lead screws (461) are horizontally arranged on two sides of the machine body (1), the lower ends of the driving air cylinders (43) are in threaded fit with the driving lead screws (461), cylinder bodies of the driving air cylinders (43) are in sliding connection with the machine body (1), the two driving lead screws (461) are arranged in parallel, the transverse moving motor (462) is fixedly connected with the machine body (1), and output shafts of the transverse moving motor (462) are coaxially connected with the driving lead screws (461).
5. An automatic production line for plastic packaging bags according to claim 1, characterized in that: one side of shearing sword (41) is equipped with backup pad (54) that is used for accepting the plastic bag, two recesses have been seted up to one side that shearing sword (41) was kept away from in backup pad (54), one side that shearing sword (41) was kept away from in backup pad (54) is equipped with two pneumatic fixture (52) that are used for the centre gripping plastic bag, pneumatic fixture (52) and recess looks adaptation, the one end that backup pad (54) were kept away from in pneumatic fixture (52) is connected with sideslip cylinder (53) that are used for driving pneumatic fixture (52) sideslip, sideslip cylinder (53) horizontal setting, the lower extreme of sideslip cylinder (53) is equipped with brace table (51) that are used for supporting sideslip cylinder (53).
6. An automatic production line for plastic packaging bags according to claim 5, characterized in that: the top of brace table (51) is equipped with cutting assembly (61) that is used for cutting the plastic bag, cutting assembly (61) is including cutting sword (613), be used for the drive to cut lift cylinder (612) that sword (613) goes up and down and link (611) that are used for supporting lift cylinder (612), the up end fixed connection of link (611) and brace table (51), the plastics waste material has been seted up to the upper end of brace table (51) and has been passed through the waste material mouth, the inserting groove has been seted up to the waste material mouth department of brace table (51), the inserting groove evenly sets up along waste material mouth circumference, cut sword (613) and inserting groove looks adaptation.
7. An automatic production line for plastic packaging bags according to claim 6, characterized in that: the piston rod of lift cylinder (612) is connected with connecting rod (62) that are used for connecting and cut sword (613), the one end that lift cylinder (612) was kept away from in connecting rod (62) with cut sword (613) fixed connection, be equipped with ejecting cylinder (63) in connecting rod (62), the piston rod fixed connection of ejecting cylinder (63) is used for pushing up plastic waste to the intraoral ejector pin (64) of waste material, ejector pin (64) just to the waste material mouth, ejector pin (64) are located and cut sword (613) center department.
8. An automatic production line for plastic packaging bags according to claim 7, characterized in that: the supporting table (51) is provided with a detection and control circuit, and the detection and control circuit comprises an induction module (7), a comparison module (8) and a control module (9):
the sensing module (7) comprises a pressure sensor (71), the pressure sensor (71) is arranged in the inserting groove, and the pressure sensor (71) is used for sensing the pressure of the spherical graphite and outputting a sensing signal;
the comparison module (8) is electrically connected with the induction module (7), the comparison module (8) is used for receiving an induction signal of the induction module (7), when the comparison module (8) receives the induction signal, a voltage value corresponding to the induction signal is compared with a preset voltage value, and if the voltage value of the induction signal is greater than the preset voltage value, the comparison module (8) outputs a starting signal;
the control module (9), the control module (9) is connected with the comparison module (8) electricity, the control module (9) is used for receiving the starting signal of the comparison module (8), when the control module (9) receives the starting signal, the control module outputs a control signal, and the control signal controls the start and stop of the ejection cylinder (63).
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| CN202211386023.1A CN115674783B (en) | 2022-11-07 | 2022-11-07 | Automatic production line for plastic packaging bags |
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