CN111331927A - Hot-pressing bag making equipment for packaging bags - Google Patents
Hot-pressing bag making equipment for packaging bags Download PDFInfo
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- CN111331927A CN111331927A CN201911153677.8A CN201911153677A CN111331927A CN 111331927 A CN111331927 A CN 111331927A CN 201911153677 A CN201911153677 A CN 201911153677A CN 111331927 A CN111331927 A CN 111331927A
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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
- B31B70/005—Making flexible containers, e.g. envelopes or bags involving a particular layout of the machinery or relative arrangement of its subunits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
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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
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/10—Feeding or positioning webs
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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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or dies
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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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/16—Cutting webs
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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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/16—Cutting webs
- B31B70/18—Cutting webs longitudinally
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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
- B31B70/25—Surface scoring
- B31B70/256—Surface scoring using tools mounted on a drum
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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
- B31B70/645—Making seals transversally to the direction of movement
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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
- B31B2155/00—Flexible containers made from webs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
The invention discloses hot-pressing bag making equipment for packaging bags, relates to packaging bag production, and aims to solve the problem that equipment for directly processing plastic bag films is lacked in the prior art, and the technical scheme is as follows: a hot-pressing bag making device for packaging bags comprises a feeding device, a strip detaching device, a punching mechanism, a shear mark mechanism, a traction mechanism, a hot-pressing cutting device and a discharging mechanism; the strip detaching device comprises an ascending guide frame, a guide roller, a material pulling mechanism and a coil cutting mechanism; the cutting mark mechanism comprises a cutting mark supporting roller, a tooth edge cutter head and a cutting mark motor; the hot-pressing cutting device comprises a heat-sealing mechanism, a cutting mechanism, a crankshaft transmission mechanism and an alternating current motor. The hot-pressing bag making equipment for the packaging bag, disclosed by the invention, has the advantages that waste strips are removed, the punching, the cutting and the hot-sealing cutting are simultaneously carried out, so that the technical effect that the packaging bag disclosed in the background technology can be produced by a single equipment is realized, and the production efficiency is effectively improved.
Description
Technical Field
The invention relates to packaging bag production, in particular to hot-pressing bag making equipment for packaging bags.
Background
The packing bag is a container for placing articles, as shown in fig. 13 and 14, the packing bag is widely used in the american supermarket for packing bulk fruits, and includes a middle strip 91 and bag bodies 92 arranged at both sides of the middle strip 91, both the bag bodies 92 have openings 93, one side of the opening 93 is connected with the middle strip 91 and is provided with a tear mark 94, the opening 93 is further provided with a sealing strip 95, and the middle strip 91 is further provided with three through holes 96.
Above-mentioned wrapping bag when actually applying to the supermarket, sets up the support body in the supermarket and locates hanging of through-hole 96 realization bag body through inserting, and a plurality of wrapping bags stack from bottom to top in proper order simultaneously, and its opening of the bag body 92 that is located the top is not connected in one side of middle strip 91, receives the effect of gravity to be the natural state of drooping to make the opening 93 of bag body 92 be the partial state of opening, and then facilitate for customer's placing object article.
The production process of plastic packaging bags in the prior art generally comprises the following steps: blowing the film, namely preparing the hot-melted plastic master batch into a film to be processed for the packaging bag by a film blowing machine; heat sealing, namely, hot-pressing the to-be-processed films of the packaging bags by a hot-pressing device to prepare independent packaging bag bodies; and cutting, namely cutting and separating the independent bag bodies one by a cutter after the heat sealing is finished.
As shown in fig. 15 and 16, the plastic bag film 97 after the film blowing is completed is generally wound on a tray 13 (marked in fig. 1) for facilitating the loading of the subsequent process; in the prior art, a hot-pressing bag making device which can directly process the plastic bag film 97 to produce the packaging bag is lacked, and a plurality of devices are required to work in a matching way, so that the production efficiency is influenced by repeated feeding and discharging; therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide hot-pressing bag making equipment for packaging bags, which is provided with waste strip removing, punching, mark cutting and heat-sealing cutting, so that the technical effect that the packaging bags disclosed in the background technology can be produced by single equipment is realized, and the production efficiency is effectively improved.
The technical purpose of the invention is realized by the following technical scheme: a hot-pressing bag making device for packaging bags comprises a feeding device, a strip detaching device, a punching mechanism, a shear mark mechanism, a traction mechanism, a hot-pressing cutting device and a discharging mechanism; the strip disassembling device comprises an uplink guide frame, a plurality of guide rollers rotatably connected to the uplink guide frame, a pulling mechanism arranged on the uplink guide frame, and a coil cutting mechanism arranged on the uplink guide frame, wherein the pulling mechanism comprises a pulling rotating roller rotatably connected to the uplink guide frame, a pulling compression roller in clearance fit with the pulling rotating roller, and a pulling motor used for driving the pulling rotating roller; the hot-pressing bag making equipment further comprises a main frame, wherein the cut mark mechanism comprises a cut mark supporting roller, two tooth edge cutter heads and two cut mark motors, the cut mark supporting roller is rotatably connected to the main frame, the two tooth edge cutter heads are tangent to the cut mark supporting roller, and the two cut mark motors are respectively used for driving the tooth edge cutter heads; the hot-pressing cutting device comprises a heat-sealing mechanism and a cutting mechanism which move longitudinally, a crankshaft transmission mechanism arranged between the heat-sealing mechanism and the cutting mechanism, and an alternating current motor used for driving the crankshaft transmission mechanism.
By adopting the technical scheme, the plastic bag film is discharged at a constant speed by the feeding device when the plastic bag film cutter works normally, the discharged plastic bag film enters the strip dismounting device, the material pulling rotating roller is driven by the material pulling motor and matched with the material pulling pressing roller to pull the plastic bag film, so that the plastic bag film is forced to move forwards along a guide track formed by a plurality of guide rollers, when the plastic bag film cutter enters the winding mechanism, the winding motor drives the winding disc to rotate, so that pulling force is generated on the cut waste materials, the plastic bag film cutter is matched with the movement of the plastic bag film main body, and the plastic bag film cutter realizes the technical effect of cutting the waste materials from the plastic bag film main body; after the cutting of the waste materials is finished, the plastic bag film is pulled by the traction force of the traction mechanism to move forward and sequentially passes through the punching mechanism and the cutting mark mechanism, the punching mechanism finishes punch forming of a through hole on the middle strip in the process that the plastic bag film passes through the cutting mark mechanism, the cutting mark motor drives the tooth blade cutter to rotate in the process that the plastic bag film passes through the cutting mark mechanism, the tooth blade cutter is matched with the cutting mark supporting roller in the rotating process, two toothed cutting long marks are formed by cutting on the plastic bag film, and the tearing mark after bag making is finished; after the arrangement of the cutting marks is completed, the plastic bag film is sent to a hot-pressing cutting device under the action of a traction mechanism, the plastic bag film entering the hot-pressing cutting device is conveyed by a discharging mechanism, the heat-sealing mechanism and the cutting mechanism are driven to reciprocate and longitudinally move after being transmitted by an alternating current motor through a crankshaft transmission mechanism in the conveying process, so that the side sealing of the packaging bag is completed by the heat-sealing mechanism, the cutting mechanism completes the cutting after the side sealing is completed, the packaging bag is separated from the plastic bag film, and finally the packaging bag is conveyed to a discharging end by the discharging mechanism and is taken down by a worker; in conclusion, the invention has the advantages of waste strip removal, punching, mark cutting and heat sealing cutting, thereby realizing the technical effect that the packaging bag disclosed in the background technology can be produced by single equipment, and effectively improving the production efficiency.
The invention is further configured to: the feeding device comprises a feeding frame, two connecting flanges, a detachable material tray and a feeding motor, wherein the two connecting flanges are connected to the feeding frame in a rotating mode, the material tray is coaxially fixed to the connecting flanges, the feeding motor is used for driving one connecting flange to rotate, the circle centers of two ends of the material tray are respectively provided with a material tray flange, and the connecting flanges are provided with semicircular supporting arcs used for supporting the material tray flanges.
By adopting the technical scheme, the charging tray is detachably and rotatably arranged on the charging frame through the matching of the two charging tray flanges and the connecting flange, and the charging tray is driven by the charging motor to drive one charging tray flange; the semicircular supporting arc is additionally arranged on the connecting flange, so that the charging tray is pre-supported before the charging tray flange and the connecting flange are connected, and convenience is provided for connecting the fixed connecting flange and the charging tray flange.
The invention is further configured to: the material pulling and pressing device is characterized in that a pressing roller adjusting groove is formed in the upward guide frame, adjusting sliding blocks matched with the pressing roller adjusting groove in a sliding mode are arranged at two ends of the material pulling pressing roller respectively, the pressing roller adjusting groove is connected with an adjusting lead screw in a rotating mode, and the adjusting lead screw is in threaded fit with the adjusting sliding blocks.
Through adopting above-mentioned technical scheme, when needs are adjusted and are drawn the material compression roller and draw the material to change the interval of roller, rotate the regulation lead screw to the equidirectional not, can utilize the screw propulsion drive that produces between regulation lead screw and the adjusting block to draw the material compression roller to be close to or keep away from and draw the material to change the roller, thereby draw the material compression roller and draw the material to change the interval of roller for the adjustment and facilitate, and then improve the adaptability to the plastic bag membrane of different thickness.
The invention is further configured to: the coil cutting mechanism further comprises an installation shaft for installing the cutter, the cutter is fixedly installed at the middle point of the installation shaft, and the installation shaft is coaxially and rotatably connected with a material cutting compression roller on two sides of the cutter.
Through adopting above-mentioned technical scheme, add the installation axle and provide a mounted position for the cutter to set up the blank compression roller on the installation axle, thereby exert pressure by the non-excision position of blank compression roller to the plastic bag membrane, force this part to paste in the guide roll, and then reduce the plastic bag membrane when excision waste material, the pulling force that receives influences.
The invention is further configured to: the cutting end of the cutter is embedded and provided with a cutting edge through a bolt.
Through adopting above-mentioned technical scheme, under the prerequisite of guaranteeing the installation stability of cutting edge, realize the demountable installation of cutting edge and cutter to after the cutting edge takes place wearing and tearing, only need change the cutting edge can, effectively reduce the manufacturing cost waste because of the cutter wearing and tearing bring.
The invention is further configured to: the shear mark mechanism further comprises two distance adjusting grooves fixed on two sides of the main frame respectively and a distance adjusting shaft sliding between the two distance adjusting grooves, two clamping nuts are in threaded fit with two ends of the distance adjusting shaft respectively and are matched with the clamping distance adjusting grooves in a matched mode, and the distance adjusting shaft is provided with a motor mounting shell used for mounting a shear mark motor.
By adopting the technical scheme, when the cutting mark depth of the plastic bag film needs to be adjusted, two clamping nuts at two ends of the distance adjusting shaft are unscrewed, and the distance adjusting shaft slides along the distance adjusting groove, so that the distance between the tooth blade cutter disc and the cutting mark supporting roller is adjusted, the cutting mark depth can be adjusted, finally the clamping nuts are screwed, and the distance adjusting shaft is fixed by utilizing the friction force between the clamping nuts and the distance adjusting groove; in conclusion, the distance adjusting shaft and the motor mounting shell are additionally arranged and used for mounting the cut mark motor, and the distance between the tooth edge cutter disc and the cut mark supporting roller is adjusted by utilizing the matching between the distance adjusting groove and the distance adjusting shaft, so that the cut mark depth of the plastic bag film is adjustable.
The invention is further configured to: the distance adjusting shaft is slidably sleeved with two position adjusting pieces, the two position adjusting pieces are in threaded fit with locking bolts and the two motor mounting shells are rotatably connected to the position adjusting pieces, and torsion springs are arranged between the position adjusting pieces and the motor mounting shells.
By adopting the technical scheme, when the positions of the two tearing marks need to be adjusted, the locking bolt is unscrewed to slide the position adjusting piece along the distance adjusting shaft, so that the positions of the two tooth blade cutterheads can be adjusted, and finally the locking bolt is screwed down to effectively prevent the position adjusting piece from abnormally sliding by utilizing the friction force between the locking bolt and the distance adjusting shaft; the motor mounting shell is rotationally connected with the position adjusting piece and is additionally provided with the torsion spring, so that the motor mounting shell is applied with thrust by utilizing the elastic potential energy of the torsion spring, and the circumferential surface of the tooth blade cutter head is forced to be always in tangential contact with and tightly abut against the plastic bag film.
The invention is further configured to: the main frame is provided with an opening plate between the cutting mark mechanism and the traction mechanism, and two sides of the opening plate are inserted into openings of the bag bodies on two sides; and a blank pressing mechanism is also arranged behind the opening plate and comprises a blank pressing arch frame, a blank pressing cylinder fixed on the blank pressing arch frame and a blank pressing plate fixed on the end of the piston rod of the blank pressing cylinder.
By adopting the technical scheme, when the plastic bag film passes through the opening plate, the opening plate applies a thrust force for forcing the sealing strip to separate, so that the openings of the two bag bodies of the packaging bag are in an open state after bag making is completed, and convenience is provided for a user to use the packaging bag; after the split of completion sealing strip, the plastic bag membrane passes blank holder mechanism, and in this process, blank holder cylinder drive pressboard circulation goes up and down to exert pressure to the plastic bag membrane according to certain time interval, force the sealing strip of plastic bag membrane to reconnect according to specific interval, this interval equals the width of every wrapping bag, thereby effectively avoid taking apart because of the sealing strip, and lead to the later stage hot pressing to cut off the back, the problem that two parts of sealing strip are not aligned takes place.
The invention is further configured to: traction mechanism changes the roller, changes roller clearance fit's traction compression roller with traction including rotating to connect in the traction of main frame to and be used for the drive to pull the traction motor who changes the roller, it changes the roller and pulls the compression roller and corresponds the sealing strip and all seted up and dodge the annular.
By adopting the technical scheme, the traction mechanism compresses the plastic bag film through the traction compression roller to force the plastic bag film to be tightly fit with the traction rotating roller, and the traction rotating roller is driven to rotate through the traction motor, so that the plastic bag film is pulled by utilizing the friction force between the traction rotating roller and the plastic bag film; it should be noted that, an avoidance ring groove is additionally arranged above the traction rotating roller and the traction pressing roller, so that the reconnection of the separated two-part sealing strip is avoided.
The invention is further configured to: the blanking mechanism comprises a blanking frame, two conveying belt rollers rotatably connected to the blanking frame, a conveying belt wound on the two conveying belt rollers, and a blanking motor for driving one of the conveying belt rollers.
Through adopting above-mentioned technical scheme, unloading mechanism utilizes the unloading motor drive conveyer belt roller rotatory, and the conveyer belt roller is at rotatory in-process, and drive conveyer belt is around two conveyer belt roller cyclic motion to utilize the frictional force of conveyer belt upper surface, not only can realize accomplishing the unloading of bag making back wrapping bag, can pull the plastic bag membrane moreover and force its length direction fully to expand.
The invention is further configured to: the blanking machine frame is characterized in that heat-sealing sliding sleeves are respectively arranged on two sides of the blanking machine frame, the heat-sealing mechanism comprises two heat-sealing sliding columns which are matched with the heat-sealing sliding sleeves in a sliding mode, a heat-sealing cross beam, two ends of which are fixed with the heat-sealing sliding columns respectively, and a hot-pressing seat which is connected to the heat-sealing cross beam in a longitudinal sliding mode, and a PTC heating strip which is arranged on the hot-pressing seat, the hot-pressing seat sliding columns are connected with a limiting pressing plate, and an.
By adopting the technical scheme, when the plastic bag film is pulled to the heat sealing mechanism, the heat sealing beam slides downwards along the track defined by the heat sealing sliding column and the heat sealing sliding sleeve, the limiting pressure plate is firstly pressed on the plastic bag film in the sliding process, the heat sealing beam continuously moves downwards, at the moment, the hot pressing seat gradually approaches the limiting pressure plate until the hot pressing seat is attached to the upper surface of the limiting pressure plate, at the moment, the PTC heating strip penetrates through the long groove of the limiting pressure plate and is pressed on the plastic bag film, so that the heat generated by the PTC heating strip forces part of the plastic bag film to be hot-melted, and the side face heat sealing of the plastic bag film can be completed after the plastic bag film is cooled and; after the heat sealing is finished, the heat-sealing beam moves upwards to reset, at the moment, the hot-pressing seat and the PTC heating strip move upwards firstly until the PTC heating strip is separated from the limiting pressure plate, and then the limiting pressure plate starts to move upwards until the PTC heating strip resets to a preset height; in conclusion, the heat sealing mechanism is used for heating the plastic bag film through the PTC heating strips to realize heat sealing of the side faces of the plastic bag film, and the limiting pressing plate is additionally arranged for compressing the plastic bag film, so that on one hand, the two faces of the plastic bag film are fully attached to improve the heat sealing effect, and on the other hand, the situation that the PTC heating strips pull the plastic bag film to bulge upwards when moving upwards is avoided.
The invention is further configured to: the blanking machine is characterized in that cutting sliding sleeves are respectively arranged on two sides of the blanking machine frame, each cutting mechanism comprises two cutting sliding columns matched with the cutting sliding sleeves in a sliding mode, a cutting cross beam, a hot cutting seat and a tungsten steel hot cutting knife, wherein two ends of the cutting cross beam are fixed with the cutting sliding columns respectively, the hot cutting seat is vertically and adjustably installed on the cutting cross beam, and the tungsten steel hot cutting knife is arranged on the hot cutting seat.
By adopting the technical scheme, the cutting mechanism heats the tungsten steel hot cutter through the hot cutting seat in a conductive manner, when the independent plastic bag film packaging bag needs to be cut off, the cutting cross beam moves downwards along the sliding track defined by the cutting sliding column and the cutting sliding sleeve until the tungsten steel hot cutter cuts off the plastic bag film, so that the independent packaging bag is conveyed by the blanking mechanism to advance at an accelerated speed and is separated from the plastic bag film, and bag making and blanking are completed; in conclusion, the cutting mechanism utilizes the heated tungsten steel hot cutter to cut off the plastic bag film, so that the cutting effect is improved, the secondary heat sealing of the plastic bag film is realized, and the heat sealing effect of two sides of the packaging bag is effectively ensured.
The invention is further configured to: the crankshaft transmission mechanism comprises a connecting frame for simultaneously fixing two heat-sealing sliding columns and two cutting-off sliding columns, a shaft lever hinged to the connecting frame and a crankshaft driven by an alternating current motor, and the bottom end of the shaft lever is rotatably sleeved with the crankshaft.
By adopting the technical scheme, when the hot-pressing cutting device works normally, the alternating current motor drives the crankshaft to rotate continuously, the crankshaft pulls and pushes the shaft rod in a circulating mode in the rotating process, so that the connecting frame is pulled and pushed in a circulating mode after the shaft rod is driven, and the heat-sealing mechanism and the cutting mechanism are driven by the connecting frame synchronously to move up and down; to sum up, utilize the link to connect two heat-seal sliding columns and two and cut off sliding column to realize effectively improving harmony between them via the technological effect of bent axle drive mechanism synchronous drive shutdown mechanism and heat-seal mechanism.
In conclusion, the invention has the following beneficial effects: meanwhile, the waste strip removing, punching, mark cutting and heat sealing cutting are realized, so that the technical effect that the packaging bag disclosed in the background technology can be produced by a single device is realized, and the production efficiency is effectively improved; the semicircular supporting arc is additionally arranged on the connecting flange, so that the charging tray is pre-supported before the charging tray flange and the connecting flange are connected and fixed, and convenience is provided for connecting and fixing the connecting flange and the charging tray flange; the adjusting screw rod is rotated in different directions, so that the screw thread propelling force generated between the adjusting screw rod and the adjusting slide block can be utilized to drive the material pulling press roller to be close to or far away from the material pulling rotary roller, and convenience is brought to adjustment of the distance between the material pulling press roller and the material pulling rotary roller; the pressure is applied to the uncut part of the plastic bag film by the material cutting press roller to force the part to be attached to the guide roller, so that the influence of the pulling force on the plastic bag film when the waste material is cut off is reduced; after the cutting edge is worn, only the cutting edge needs to be replaced, so that the waste of production cost caused by the abrasion of the cutter is effectively reduced; a distance adjusting shaft and a motor mounting shell are additionally arranged for mounting a cut mark motor, and the matching between a distance adjusting groove and the distance adjusting shaft is utilized to realize the adjustment of the distance between a tooth edge cutter disc and a cut mark supporting roller, so that the adjustment of the cut mark depth of the plastic bag film is realized; the motor mounting shell is rotationally connected with the position adjusting piece and is additionally provided with a torsion spring, so that the motor mounting shell is applied with thrust by utilizing the elastic potential energy of the torsion spring, and the circumferential surface of the tooth blade cutter head is forced to be always in tangential contact with and tightly abut against the plastic bag film; the opening plate applies a thrust force to the sealing strip to force the sealing strip to separate, so that the openings of the two bag bodies of the packaging bag are in an open state after the bag is made, and convenience is provided for a user to use the packaging bag; the plastic bag film is pressed at certain time intervals, so that the sealing strips of the plastic bag film are forced to be reconnected at certain intervals, and the problem that two parts of the sealing strips are not aligned after the sealing strips are cut off by hot pressing at a later stage due to the fact that the sealing strips are disassembled is effectively avoided; avoiding ring grooves are additionally arranged on the traction rotating roller and the traction pressing roller, so that the two separated sealing strips are prevented from being reconnected; by utilizing the friction force of the upper surface of the conveying belt roller, the blanking of the packaging bag after bag making can be realized, and the plastic bag film can be pulled to force the length direction of the plastic bag film to be fully unfolded; the heat sealing mechanism realizes the heat sealing of the side surface of the plastic bag film by heating the plastic bag film through the PTC heating strip, and is additionally provided with the limiting pressing plate for pressing the plastic bag film, so that on one hand, the two surfaces of the plastic bag film are fully attached to improve the heat sealing effect, and on the other hand, the plastic bag film is prevented from being pulled to bulge upwards when the PTC heating strip moves upwards; the cutting mechanism cuts off the plastic bag film by using the heated tungsten steel hot cutter, so that the cutting effect is improved, secondary heat sealing on the plastic bag film is realized, and the heat sealing effect on two sides of the packaging bag is effectively ensured; utilize the link to connect two heat-seal sliding columns and two and cut off sliding column to realize effectively improving the harmony between them via the technological effect of bent axle drive mechanism synchronous drive shutdown mechanism and heat-seal mechanism.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic structural diagram of a feeding device and a strip detaching device of the invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
FIG. 4 is a schematic view of the structure of the cutter according to the present invention;
FIG. 5 is a schematic structural view of a punching mechanism, a notching mechanism and a traction mechanism according to the present invention;
FIG. 6 is a schematic structural view of the punching mechanism of the present invention;
FIG. 7 is a schematic structural diagram of a notching mechanism of the present invention;
FIG. 8 is a schematic view of the construction of the opening plate and hold-down mechanism of the present invention;
FIG. 9 is a view showing the relationship between the opening plate and the plastic bag film according to the present invention, in order to facilitate the cutting process on both sides of the plastic bag film;
FIG. 10 is a schematic structural view of the traction mechanism of the present invention;
FIG. 11 is a schematic structural view of a hot press cutting apparatus and a blanking mechanism according to the present invention;
FIG. 12 is a schematic structural view of a thermal press cutting apparatus according to the present invention;
FIG. 13 is a schematic view of the structure of the package;
FIG. 14 is a cross-sectional view of the package with a cut-away view for ease of illustration;
FIG. 15 is a schematic view of the structure of a plastic bag film;
FIG. 16 is an enlarged view of section A of FIG. 15, showing primarily the seal above the plastic bag film.
Description of the drawings: 11. a feeding frame; 12. a connecting flange; 13. a material tray; 14. a feeding motor; 15. a material tray flange; 16. a semicircular support arc; 21. an upstream guide frame; 22. a guide roller; 23. pulling and rotating the material; 24. pulling and pressing the material; 241. a compression roller adjusting groove; 242. adjusting the sliding block; 243. adjusting the lead screw; 25. a material pulling motor; 26. a coil cutting arm; 27. a cutter; 271. installing a shaft; 272. a material cutting press roll; 273. a blade; 28. a coil tray; 29. a coil motor; 3. a main frame; 31. cutting mark supporting rollers; 32. a tooth edge cutter head; 33. a shear mark motor; 34. a distance adjusting groove; 35. a distance adjustment shaft; 36. clamping the nut; 37. a motor mounting case; 38. a position adjustment member; 381. a torsion spring; 39. locking the bolt; 41. an opening plate; 42. a blank pressing arch frame; 43. a blank pressing cylinder; 44. pressing an edge plate; 45. a traction roller; 46. drawing the compression roller; 47. a traction motor; 48. avoiding the ring groove; 491. punching an arch frame; 492. punching a cylinder; 493. a punching module; 494. punching a base; 495. punching a cylinder; 496. a waste channel; 51. heat-sealing the sliding sleeve; 52. heat-sealing the sliding column; 53. heat-sealing the beam; 54. a hot pressing base; 55. a PTC heating strip; 56. a limiting pressure plate; 57. a long groove; 58. cutting off the sliding sleeve; 591. cutting off the sliding column; 592. cutting off the beam; 593. a hot cutting seat; 594. a tungsten steel hot cutter; 595. a connecting frame; 596. a shaft lever; 597. a crankshaft; 598. an alternating current motor; 61. a blanking frame; 62. a conveyor belt roller; 63. a conveyor belt; 64. a blanking motor; 91. a middle strip; 92. a bag body; 93. an opening; 94. a tear mark; 95. a sealing strip; 96. a through hole; 97. a plastic bag film.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A hot-pressing bag making device for packaging bags is shown in figure 1 and comprises a feeding device, a strip detaching device, a punching mechanism, a cutting mark mechanism, a traction mechanism, a hot-pressing cutting device and a discharging mechanism; the strip detaching device comprises an uplink guide frame 21, a plurality of guide rollers 22 rotatably connected to the uplink guide frame 21, a pulling mechanism arranged on the uplink guide frame 21, and a coil cutting mechanism arranged on the uplink guide frame 21, wherein the pulling mechanism comprises a pulling rotary roller 23 rotatably connected to the uplink guide frame 21, a pulling press roller 24 in clearance fit with the pulling rotary roller 23, and a pulling motor 25 for driving the pulling rotary roller 23, the coil cutting mechanism comprises a coil cutting arm 26, a cutter 27 in clearance fit with one of the guide rollers 22, a coil tray 28 detachably rotatably connected to the coil cutting arm 26, and a coil motor 29 for driving the coil tray 28; the hot-pressing bag making equipment further comprises a main frame 3, wherein the cut mark mechanism comprises a cut mark supporting roller 31 which is rotatably connected with the main frame 3, two tooth blade cutterheads 32 (marked in figure 7) which are tangent to the cut mark supporting roller 31, and two cut mark motors 33 which are respectively used for driving the tooth blade cutterheads 32; the hot-pressing cutting device comprises a heat-sealing mechanism and a cutting mechanism which move longitudinally, a crankshaft transmission mechanism arranged between the heat-sealing mechanism and the cutting mechanism, and an alternating current motor 598 used for driving the crankshaft transmission mechanism.
In the invention, when the plastic bag film 97 normally works, the plastic bag film 97 is discharged at a constant speed by the feeding device, the discharged plastic bag film 97 enters the strip detaching device, the pulling motor 25 drives the pulling rotary roller 23 and the pulling rotary roller 24 to pull the plastic bag film 97 in cooperation with the pulling press roller 24 so as to force the plastic bag film 97 to advance along a guide track formed by a plurality of guide rollers 22, when the plastic bag film 97 enters the cutting mechanism, the coil motor 29 drives the coil tray 28 to rotate so as to generate pulling force on the cut waste materials and cooperate with the advance of the main body of the plastic bag film 97, and further, after the plastic bag film 97 is cut by the cutter 27, the technical effect of cutting the waste materials from the main body of the plastic bag film 97 is realized; after the cutting of the waste materials is finished, the plastic bag film 97 is pulled to advance by the traction force of the traction mechanism and sequentially passes through the punching mechanism and the cutting mark mechanism, the punching mechanism finishes punch forming of a through hole 96 on the middle strip 91 in the process that the plastic bag film 97 passes through the punching mechanism, the cutting mark motor 33 drives the tooth edge cutter head 32 to rotate in the process that the plastic bag film 97 passes through the cutting mark mechanism, the tooth edge cutter head 32 is matched with the cutting mark supporting roller 31 in the rotating process, and two toothed cutting long marks are formed on the plastic bag film 97 in a cutting mode, namely the tearing mark 94 after bag making is finished; after the arrangement of the cutting marks is completed, the plastic bag film 97 is sent to the hot-pressing cutting device under the action of the traction mechanism, the plastic bag film 97 entering the hot-pressing cutting device is conveyed by the blanking mechanism, the heat sealing mechanism and the cutting mechanism are driven to do reciprocating longitudinal motion after the alternating current motor 598 transmits the driving force of the crankshaft transmission mechanism in the conveying process, so that the side sealing of the packaging bag is completed by the heat sealing mechanism, the cutting mechanism completes the cutting after the side sealing is completed, the packaging bag is separated from the plastic bag film 97, and finally the packaging bag is conveyed to the discharging end by the blanking mechanism and is taken down by workers; in conclusion, the invention has the advantages of waste strip removal, punching, mark cutting and heat sealing cutting, thereby realizing the technical effect that the packaging bag disclosed in the background technology can be produced by single equipment, and effectively improving the production efficiency.
The specific structure of the feeding device is as follows, as shown in fig. 2 and fig. 3, the feeding device comprises a feeding frame 11, two connecting flanges 12 which are relatively rotatably connected to the feeding frame 11, a material tray 13 with two ends detachably and coaxially fixed to the connecting flanges 12, and a feeding motor 14 for driving one of the connecting flanges 12 to rotate, wherein the circle centers of the two ends of the material tray 13 are respectively provided with a material tray flange 15, so that the material tray 13 is detachably and rotatably mounted on the feeding frame 11 through the matching of the two material tray flanges 15 and the connecting flanges 12, and the feeding motor 14 is used for driving one of the material tray flanges 15 to drive the material tray 13; in practical application, it is found that before the fixed connecting flange 12 and the charging tray flange 15 are connected, the charging tray 13 needs to be continuously supported, and therefore certain inconvenience exists, for this reason, the connecting flange 12 is machined and formed with a semicircular supporting arc 16 for supporting the charging tray flange 15, so that before the fixed charging tray flange 15 and the connecting flange 12 are connected, the charging tray 13 is pre-supported by the semicircular supporting arc 16, and convenience is further provided for connecting the fixed connecting flange 12 and the charging tray flange 15.
In order to improve the adaptability of the material pulling mechanism to plastic bag films 97 with different thicknesses, as shown in fig. 2, the upward guide frame 21 is provided with a pressing roller adjusting groove 241, two ends of the material pulling pressing roller 24 are respectively and fixedly provided with an adjusting slider 242 in sliding fit with the pressing roller adjusting groove 241, the pressing roller adjusting groove 241 is rotatably connected with an adjusting screw 243, and the adjusting screw 243 is in threaded fit with the adjusting slider 242; when the distance between the material pulling pressing roller 24 and the material pulling rotating roller 23 needs to be adjusted, the adjusting screw 243 is rotated in different directions, and then the screw propelling force generated between the adjusting screw 243 and the adjusting slider 242 can be utilized to push the material pulling pressing roller 24 to be close to or far away from the material pulling rotating roller 23, so that convenience is brought to the adjustment of the distance between the material pulling pressing roller 24 and the material pulling rotating roller 23, and the adaptability of the material pulling mechanism to plastic bag films 97 with different thicknesses is further improved.
In practical applications, it is found that when the cutting knife 27 cuts the plastic bag film, the plastic bag film 97 may be pulled to be folded in the width direction, thereby causing a problem of changing the cutting position, as shown in fig. 3 and 4, the cutting and rolling mechanism further includes a mounting shaft 271 for mounting the cutting knife 27, the cutting knife 27 is fixedly mounted at a midpoint of the mounting shaft 271, the mounting shaft 271 is coaxially and rotatably connected with a material cutting press roller 272 at two sides of the cutting knife 27, the mounting shaft 271 is additionally provided with a mounting position for the cutting knife 27, and the material cutting press roller 272 is arranged above the mounting shaft 271, so that the material cutting press roller 272 applies pressure to the non-cutting part of the plastic bag film 97 to force the non-cutting part to be attached to the guide roller 22, thereby reducing the influence of the pulling force on the plastic bag film 97 when cutting waste.
Because for guaranteeing the cutting effect, the sharpness requirement of cutter 27 is higher, thereby lead to cutter 27's cutting edge position to easily take place wearing and tearing, it has extravagant manufacturing cost's problem to change whole cutter 27 after wearing and tearing, for this reason as shown in figure 4, cutter 27's cutting end inlays and the bolt adds inherent cutting edge 273, thereby under the prerequisite of the installation stability of guaranteeing cutting edge 273, realize cutting edge 273 and cutter 27's demountable installation, thereby after cutting edge 273 takes place to wear and tear, only need change cutting edge 273 can, effectively reduce because of the manufacturing cost waste that cutter 27 worn and torn and bring.
As shown in fig. 5 and 6, the punching mechanism includes a punching arch 491, a punching cylinder 492 fixedly mounted on the punching arch 491, a punching module 493 disposed at a piston rod end of the punching cylinder 492, and a punching base 494 located right below the punching module 493, a punching cylinder 495 corresponding to the three through holes 96 is disposed on a lower surface of the punching module 493, and a waste channel 496 for inserting the punching cylinder 495 is formed through the punching base 494; in the process of passing through the punching mechanism, the plastic bag film 97 is pulled and pushed by the punching cylinder 492 to perform circular lifting motion, the punching module 493 utilizes the shearing fit of the punching cylinder 495 and the upper opening channel wall of the waste channel 496 when descending to realize the punching of the plastic bag film to form a through hole 96, the waste materials which are separated by impact are temporarily accumulated in the waste channel 496, and when a certain amount of waste materials are accumulated, the waste materials below are pushed by the waste materials above to be discharged through the lower opening of the waste channel 496.
The cutting mark mechanism is used for cutting a cutting mark on the plastic bag film 97, and the cutting mark is taken as a tearing mark 94 of the packaging bag, so that the cutting mark depth cut by the cutting mark mechanism has a severe requirement, as shown in fig. 5 and 7, the cutting mark mechanism further comprises two distance adjusting grooves 34 respectively fixed on two sides of the main frame 3, and a distance adjusting shaft 35 sliding between the two distance adjusting grooves 34, two clamping nuts 36 are respectively matched with two ends of the distance adjusting shaft 35 in a threaded manner, the two clamping nuts 36 are matched with the clamping distance adjusting grooves 34, and the distance adjusting shaft 35 is provided with a motor mounting shell 37 for mounting the cutting mark motor 33; when the cutting mark depth of the plastic bag film 97 needs to be adjusted, two clamping nuts 36 at two ends of the distance adjusting shaft 35 are unscrewed, the distance adjusting shaft 35 slides along the distance adjusting groove 34, so that the distance between the tooth edge cutter disc 32 and the cutting mark supporting roller 31 is adjusted, the cutting mark depth can be adjusted, finally, the clamping nuts 36 are screwed, and the distance adjusting shaft 35 is fixed by using the friction force between the clamping nuts 36 and the distance adjusting shaft 35; in summary, the distance adjusting shaft 35 and the motor mounting case 37 are additionally arranged for mounting the cut mark motor 33, and the distance between the tooth edge cutter head 32 and the cut mark supporting roller 31 is adjusted by the cooperation between the distance adjusting groove 34 and the distance adjusting shaft 35, so that the depth of the cut mark of the plastic bag film 97 can be adjusted.
The motor mounting shell 37 is mounted on the distance adjusting shaft 35 in the following manner, as shown in fig. 7, the distance adjusting shaft 35 is slidably sleeved with two position adjusting pieces 38, the two position adjusting pieces 38 are both in threaded fit with a locking bolt 39, the two motor mounting shells 37 are both rotatably connected to the position adjusting pieces 38, and torsion springs 381 are arranged between the position adjusting pieces 38 and the motor mounting shells 37; when the positions of the two tearing marks 94 need to be adjusted, the locking bolt 39 is unscrewed to slide the position adjusting piece 38 along the distance adjusting shaft 35, so that the positions of the two serrated edge cutter heads 32 can be adjusted, finally, the locking bolt 39 is screwed, and the abnormal sliding of the position adjusting piece 38 is effectively prevented by utilizing the friction force between the locking bolt 39 and the distance adjusting shaft 35.
In order to meet the requirement of a supermarket party, the supermarket party requires that the openings 93 of the bag bodies 92 on the two sides of the packaging bag are both in an open state, namely, the two sealing strips 95 are both in a split state, and in order to meet the requirement of the supermarket party, an applicant hires a worker to manually pull the bag bodies 92 one by one to force the sealing strips 95 to be separated, but in actual production, the problem that the packaging bag is damaged is found, and in this way, the labor is wasted, and the problem that the packaging bag is damaged is solved, so that as shown in fig. 5, 8 and 9, the opening plate 41 is fixedly arranged between the cutting mark mechanism and the traction mechanism on the main frame 3, and the two sides of the opening plate 41 are inserted into the two sealing strips 95 of; therefore, when the plastic bag film 97 passes through the opening plate 41, the opening plate 41 applies a pushing force to the sealing strip to force the sealing strip to separate, so that the openings 93 of the two bag bodies 92 of the packaging bag are in an open state after the bag making is completed, labor does not need to be hired to manually separate the sealing strip 95, and the production cost is effectively reduced.
After the opening plate 41 is additionally arranged, the problem that the two parts of the sealing strip 95 are in a separated state, so that the opening 93 of the packaging bag is possibly misaligned, and the two parts of the sealing strip 95 cannot be aligned is solved, for this reason, as shown in fig. 5 and 8, a blank pressing mechanism is further arranged behind the opening plate 41, and comprises a blank pressing arch 42, a blank pressing cylinder 43 fixed on the blank pressing arch 42, and a blank pressing plate 44 fixed on the piston rod end of the blank pressing cylinder 43; after the completion of the splitting of the sealing strip 95, the plastic bag film 97 passes through the edge pressing mechanism, in the process, the edge pressing cylinder 43 drives the edge pressing plate 44 to circularly lift, and applies pressure to the plastic bag film 97 according to a certain time interval, so that the sealing strip 95 of the plastic bag film 97 is forced to be reconnected according to a specific interval, the interval is equal to the width of each packaging bag, and the problem that two parts of the sealing strip 95 are not aligned after the later-stage hot-pressing cutting is caused due to the fact that the sealing strip 95 is completely split is effectively avoided.
As shown in fig. 5 and 10, the traction mechanism includes a traction roller 45 rotatably connected to the main frame 3, a traction pressure roller 46 in clearance fit with the traction roller 45, and a traction motor 47 for driving the traction roller 45, so that the traction mechanism presses the plastic bag film 97 through the traction pressure roller 46 to force the plastic bag film 97 to closely fit with the traction roller 45, and drives the traction roller 45 to rotate through the traction motor 47, thereby realizing traction of the plastic bag film 97 by using friction force between the traction roller 45 and the plastic bag film 97; in order to avoid the complete reconnection of the sealing strip 95 on the plastic bag film 97 due to the distance between the traction compression roller 46 and the traction rotation roller 45, the traction rotation roller 45 and the traction compression roller 46 are provided with the avoidance ring groove 48 corresponding to the sealing strip 95, so that the reconnection of two parts separated from the sealing strip 95 is avoided.
The specific mechanism of the blanking mechanism is as follows, as shown in fig. 11, the blanking mechanism includes a blanking frame 61, two conveyer belt rollers 62 rotatably connected to the blanking frame 61, a conveyer belt 63 wound around the two conveyer belt rollers 62, and a blanking motor 64 for driving one of the conveyer belt rollers 62; the blanking mechanism drives the conveying belt rollers 62 to rotate by using the blanking motor 64, and the conveying belt rollers 62 drive the conveying belt 63 to circularly move around the two conveying belt rollers 62 in the rotating process, so that the blanking of the packaging bag after the bag is made can be realized by using the friction force of the upper surface of the conveying belt 63, and the plastic bag film 97 can be pulled to force the length direction of the plastic bag film to be fully unfolded.
As shown in fig. 11 and 12, the heat sealing mechanism has a specific structure that two sides of the blanking frame 61 are respectively welded and fixed with a heat sealing sliding sleeve 51, the heat sealing mechanism includes two heat sealing sliding columns 52 in sliding fit with the heat sealing sliding sleeves 51, a heat sealing cross beam 53 with two ends respectively fixed with the heat sealing sliding columns 52, a heat pressing seat 54 longitudinally adjustably connected to the heat sealing cross beam 53, and a PTC heating strip 55 fixedly installed on the heat pressing seat 54, the heat pressing seat 54 sliding columns are connected with a limiting pressing plate 56, and the limiting pressing plate 56 is provided with a long groove 57 for the PTC heating strip 55 to pass through; when the plastic bag film 97 is pulled to the heat sealing mechanism, the heat sealing beam 53 slides downwards along the track defined by the heat sealing sliding column 52 and the heat sealing sliding sleeve 51, the limiting pressure plate 56 is firstly pressed on the plastic bag film 97 in the sliding process, the heat sealing beam 53 moves downwards continuously, at the moment, the hot pressing seat 54 gradually approaches the limiting pressure plate 56 until the hot pressing seat 54 is attached to the upper surface of the limiting pressure plate 56, at the moment, the PTC heating strip 55 passes through the long groove 57 of the limiting pressure plate 56 and is pressed on the plastic bag film 97, so that the heat generated by the PTC heating strip 55 forces part of the plastic bag film 97 to be hot-melted, and the side heat sealing of the plastic bag film 97 can be completed after cooling and re-solidification; after the heat sealing is finished, the heat-sealing beam 53 moves upwards to reset, at this time, the heat pressing seat 54 and the PTC heating strip 55 move upwards firstly until the PTC heating strip 55 is separated from the limiting pressure plate 56, and then the limiting pressure plate 56 starts moving upwards until the PTC heating strip resets to a preset height; in summary, the heat sealing mechanism heats the plastic bag film 97 by the PTC heating strips 55 to heat the side surfaces thereof, and the limiting pressing plate 56 is additionally arranged to compress the plastic bag film 97, so that on one hand, the two surfaces of the plastic bag film 97 are sufficiently attached to improve the heat sealing effect, and on the other hand, the plastic bag film 97 is prevented from being lifted upwards due to the adhesion when the PTC heating strips 55 move upwards.
As shown in fig. 11 and 12, the cutting mechanism has a specific structure that cutting sliding sleeves 58 are respectively arranged on two sides of the blanking frame 61, and the cutting mechanism includes two cutting sliding columns 591 in sliding fit with the cutting sliding sleeves 58, a cutting cross beam 592 with two ends respectively fixed with the cutting sliding columns 591, a hot cutting seat 593 longitudinally adjustably mounted on the cutting cross beam 592, and a tungsten steel hot cutting knife 594 fixedly mounted on the hot cutting seat 593; the cutting mechanism conducts electric heating on the tungsten steel hot cutter 594 through the hot cutting seat 593, when the independent packaging bags of the plastic bag films 97 need to be cut off, the cutting cross beam 592 moves downwards along the sliding track defined by the cutting sliding column 591 and the cutting sliding sleeve 58 until the tungsten steel hot cutter 594 cuts off the plastic bag films 97, so that the independent packaging bags are conveyed by the blanking mechanism to advance in an accelerated manner and are separated from the plastic bag films 97, and bag making and blanking are completed; in conclusion, the cutting mechanism utilizes the heated tungsten steel hot cutter 594 to cut the plastic bag film 97, so that the cutting effect is improved, the secondary heat sealing of the plastic bag film 97 is realized, and the heat sealing effect of the two sides of the packaging bag is effectively ensured.
The specific structure of the crankshaft transmission mechanism is as follows, as shown in fig. 11 and 12, the crankshaft transmission mechanism includes a connecting frame 595 for simultaneously fixing two heat-sealing sliding columns 52 and two cutting sliding columns 591, a shaft lever 596 hinged to the connecting frame 595, and a crankshaft 597 driven by an alternating current motor 598, and the bottom end of the shaft lever 596 is rotatably sleeved with the crankshaft 597; hot pressing cutting device is at normal during operation, by 598 drive bent axle 597 continuous rotation of AC motor, bent axle 597 circulates the pulling and promotes axostylus axostyle 596 at rotatory in-process, thereby behind the transmission of axostylus axostyle 596, the circulation pulling with promote link 595, and then carry out elevating movement via link 595 synchro drive heat-seal mechanism and shutdown mechanism, and then realize under crankshaft drive mechanism's transmission, the technological effect that an AC motor 598 can drive heat-seal mechanism and shutdown mechanism simultaneously, effectively improve harmony between them.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (13)
1. The utility model provides a hot pressing system bag equipment of wrapping bag which characterized in that: the device comprises a feeding device, a strip detaching device, a punching mechanism, a shear mark mechanism, a traction mechanism, a hot-pressing cutting device and a blanking mechanism;
the strip splitting device comprises an uplink guide frame (21), a plurality of guide rollers (22) rotatably connected to the uplink guide frame (21), a pulling mechanism arranged on the uplink guide frame (21), and a coil cutting mechanism arranged on the uplink guide frame (21), wherein the pulling mechanism comprises a pulling rotating roller (23) rotatably connected to the uplink guide frame (21), a pulling press roller (24) in clearance fit with the pulling rotating roller (23), and a pulling motor (25) for driving the pulling rotating roller (23), and the coil cutting mechanism comprises a coil cutting arm (26), a cutter (27) in clearance fit with one guide roller (22) of the coil cutting arm, a coil plate (28) detachably rotatably connected to the coil cutting arm (26), and a coil motor (29) for driving the coil plate (28);
the hot-pressing bag making equipment further comprises a main frame (3), wherein the cut mark mechanism comprises a cut mark supporting roller (31) which is rotatably connected with the main frame (3), two tooth edge cutter heads (32) which are tangent to the cut mark supporting roller (31), and two cut mark motors (33) which are respectively used for driving the tooth edge cutter heads (32);
the hot-pressing cutting device comprises a heat-sealing mechanism and a cutting mechanism which move longitudinally, a crankshaft transmission mechanism arranged between the heat-sealing mechanism and the cutting mechanism, and an alternating current motor (598) used for driving the crankshaft transmission mechanism.
2. The apparatus for hot-press forming a packaging bag according to claim 1, wherein: the feeding device comprises a feeding frame (11), two connecting flanges (12) which are connected to the feeding frame (11) in a relative rotating mode, a feeding disc (13) which is detachably and coaxially fixed to the connecting flanges (12), and a feeding motor (14) which is used for driving one connecting flange (12) to rotate, wherein circle centers of two ends of the feeding disc (13) are respectively provided with a feeding disc flange (15), and the connecting flanges (12) are provided with semicircular supporting arcs (16) which are used for supporting the feeding disc flanges (15).
3. The apparatus for hot-press forming a packaging bag according to claim 1, wherein: the upward guide frame (21) is provided with a pressing roller adjusting groove (241), two ends of the material pulling pressing roller (24) are respectively provided with an adjusting sliding block (242) which is in sliding fit with the pressing roller adjusting groove (241), the pressing roller adjusting groove (241) is rotatably connected with an adjusting lead screw (243), and the adjusting lead screw (243) is in threaded fit with the adjusting sliding block (242).
4. The apparatus for hot-press forming a packaging bag according to claim 1, wherein: the coil cutting mechanism further comprises a mounting shaft (271) used for mounting the cutter (27), the cutter (27) is fixedly mounted at the middle point of the mounting shaft (271), and the mounting shaft (271) is coaxially and rotatably connected with a material cutting press roller (272) on two sides of the cutter (27).
5. The apparatus for hot-press forming a packaging bag according to claim 1, wherein: the cutting end of the cutter (27) is embedded with a cutting edge (273) which is reinforced by bolts.
6. The apparatus for hot-press forming a packaging bag according to claim 1, wherein: the shear mark mechanism further comprises two distance adjusting grooves (34) which are fixed on two sides of the main frame (3) respectively, and a distance adjusting shaft (35) which slides between the two distance adjusting grooves (34), two clamping nuts (36) are respectively in threaded fit with two ends of the distance adjusting shaft (35) respectively, the two clamping nuts (36) are in fit with the two distance adjusting grooves (34), and the distance adjusting shaft (35) is provided with a motor mounting shell (37) for mounting a shear mark motor (33).
7. The apparatus for hot-press forming a packaging bag according to claim 6, wherein: slide and cup jointed two position control spare (38), two apart from regulation axle (35) the equal screw-thread fit in position control spare (38) has locking bolt (39), two motor installation shell (37) all rotates and connects in position control spare (38), all be provided with torsional spring (381) between position control spare (38) and motor installation shell (37).
8. The apparatus for hot-press forming a packaging bag according to claim 1, wherein: an opening plate (41) is arranged between the cutting mark mechanism and the traction mechanism of the main frame (3), and two sides of the opening plate (41) are inserted into openings (93) of bag bodies (92) at two sides; and a blank pressing mechanism is further arranged behind the opening plate (41), and comprises a blank pressing arch frame (42), a blank pressing cylinder (43) fixed on the blank pressing arch frame (42), and a blank pressing plate (44) fixed on the piston rod end of the blank pressing cylinder (43).
9. The apparatus for hot-press forming a packaging bag according to claim 8, wherein: traction mechanism changes roller (45), changes roller (45) clearance fit's traction compression roller (46) with traction including rotating to connect in the traction of main frame (3) to and be used for the drive to pull traction motor (47) of changeing roller (45), traction is changeed roller (45) and is drawn compression roller (46) and correspond sealing strip (95) and all seted up dodge annular (48).
10. The apparatus for hot-press forming a packaging bag according to claim 1, wherein: the blanking mechanism comprises a blanking frame (61), two conveying belt rollers (62) rotatably connected to the blanking frame (61), a conveying belt (63) wound on the two conveying belt rollers (62), and a blanking motor (64) used for driving one of the conveying belt rollers (62).
11. The apparatus for hot-press forming a packaging bag according to claim 10, wherein: unloading frame (61) both sides are provided with heat-seal sliding sleeve (51) respectively, heat-seal mechanism includes two and heat-seal sliding sleeve (51) the complex heat-seal sliding column (52) that slides, both ends respectively with heat-seal sliding column (52) fixed heat-seal crossbeam (53), vertically slide and connect in heat-seal crossbeam (53) hot pressing seat (54) to and set up in PTC heating strip (55) of hot pressing seat (54), hot pressing seat (54) sliding column connection has restriction clamp plate (56), elongated slot (57) that supply PTC heating strip (55) to pass are seted up in restriction clamp plate (56).
12. The apparatus for hot-press forming a packaging bag according to claim 11, wherein: cutting sliding sleeves (58) are respectively arranged on two sides of the blanking rack (61), the cutting mechanism comprises two cutting sliding columns (591) which are matched with the cutting sliding sleeves (58) in a sliding mode, a cutting cross beam (592) with two ends fixed to the cutting sliding columns (591), a hot cutting seat (593) which is longitudinally and adjustably installed on the cutting cross beam (592), and a tungsten steel hot cutting knife (594) arranged on the hot cutting seat (593).
13. The apparatus for hot-press forming a packaging bag according to claim 12, wherein: the crankshaft transmission mechanism comprises a connecting frame (595) for simultaneously fixing two heat-sealing sliding columns (52) and two cutting-off sliding columns (591), a shaft rod (596) hinged to the connecting frame (595) and a crankshaft (597) driven by an alternating current motor (598), wherein the bottom end of the shaft rod (596) is rotatably sleeved with the crankshaft (597).
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| CN201911153677.8A CN111331927A (en) | 2019-11-22 | 2019-11-22 | Hot-pressing bag making equipment for packaging bags |
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| CN201911153677.8A CN111331927A (en) | 2019-11-22 | 2019-11-22 | Hot-pressing bag making equipment for packaging bags |
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| CN111331927A true CN111331927A (en) | 2020-06-26 |
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| CN201911153677.8A Pending CN111331927A (en) | 2019-11-22 | 2019-11-22 | Hot-pressing bag making equipment for packaging bags |
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| CN114643747B (en) * | 2022-03-25 | 2022-09-20 | 浙江天济新材料科技有限公司 | Production method of biodegradable plastic bag |
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