CN114683619B - Full-automatic slitter edge-free automatic width-adjusting vest bag making machine - Google Patents
Full-automatic slitter edge-free automatic width-adjusting vest bag making machine Download PDFInfo
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- CN114683619B CN114683619B CN202210415174.9A CN202210415174A CN114683619B CN 114683619 B CN114683619 B CN 114683619B CN 202210415174 A CN202210415174 A CN 202210415174A CN 114683619 B CN114683619 B CN 114683619B
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- edge
- edge sealing
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- vest
- width
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- 230000007246 mechanism Effects 0.000 claims abstract description 177
- 238000007789 sealing Methods 0.000 claims abstract description 143
- 238000003825 pressing Methods 0.000 claims abstract description 45
- 238000004080 punching Methods 0.000 claims description 59
- 239000004744 fabric Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 41
- 238000007599 discharging Methods 0.000 claims description 36
- 238000005520 cutting process Methods 0.000 claims description 25
- 238000003892 spreading Methods 0.000 claims description 20
- 230000007480 spreading Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009957 hemming Methods 0.000 description 17
- 238000003466 welding Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010409 ironing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
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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
- B31B70/001—Shaping, other than by folding, sheet material under pressure
- B31B70/002—Shaping, other than by folding, sheet material under pressure using punches or dies
-
- 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
- B31B70/26—Folding sheets, blanks or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/92—Delivering
- B31B70/94—Delivering singly or in succession
- B31B70/96—Delivering singly or in succession in an overlapping arrangement
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Abstract
The invention relates to a full-automatic slitter edge-free automatic width-adjusting vest bag making machine, which comprises a frame, a feeding device, a folding forming device, a width-adjustable heat-seal edge inserting device, a stamping forming device and a traction roller group, and is characterized in that: the width-adjustable heat-seal edge inserting device comprises a main connecting rod, an edge sealing mechanism, a center positioning mechanism and an edge inserting and folding mechanism, wherein the edge sealing mechanism comprises two groups of expanding guide frames, an edge sealing pushing group and a first edge sealing component; the edge sealing pushing group comprises a first edge sealing pushing plate and a second edge sealing pushing plate, and a repeated edge pressing gap area with an edge sealing width exists in the first edge sealing pushing plate and the second edge sealing pushing plate. The beneficial effects of the invention are as follows: the full-automatic slitter edge-free automatic width-adjusting vest bag making machine is provided, the processed vest bag edge seals are in a mutually laminated state, the edge sealing positions can be unfolded along with the vest bag, slitter edges are avoided, the vest bag capacity is enlarged, no protrusion exists, the whole is smooth, and the attractive appearance is good.
Description
Technical Field
The invention relates to the technical field of bag making machines, in particular to a full-automatic slitter edge-free automatic width-adjusting vest bag making machine.
Background
The vest bag is also called a vest bag, is a common non-woven fabric bag, is named because the shape of the vest bag is similar to that of a vest, has simple manufacture and wide application, becomes an indispensable necessity for people in daily life, and provides great convenience for people.
When the traditional vest bag is used for making bags, two ends of the traditional vest bag are mainly sewn by a single-layer bag material through an edge sealing device, as shown in the attached figure 1, the content shown in the attached figure is an edge sealing structure of the traditional vest bag, the two ends are firstly symmetrically attached, an edge sealing body is reserved, then the double-layer attached position is edge-sealed by special edge sealing equipment, and the edge sealing position only has a connecting function and the redundant position is a slitter edge. The side sealing structure and the side sealing mode of the vest bag have a great amount of material waste, so that the side sealing structure of the traditional vest bag is improved, and therefore, the traditional vest bag making machine also needs to be correspondingly improved so as to be convenient for processing the vest bag with the required structure.
Furthermore, when the traditional bag making machine processes vest bags with different specifications, the interval adjustment needs to be carried out on the folding and expanding device, and after the distance of one side of the folding mechanism is adjusted, the distance of the other side of the folding mechanism is adjusted by the driven folding and expanding mechanism, so that the synchronous adjustment of the distance between the folding mechanisms cannot be realized; the size of the pressing plates of different specifications is generally manually replaced or the pressing plate mechanism is manually adjusted to move according to the requirements of different widths of the vest bags, so that the distance between the pressing plate mechanisms is adjusted, the pressing plates reach the positions where the vest bags are required to be pressed, the manual adjustment mode is not synchronous, the automation degree and the accuracy are low, the packaging quality and the packaging efficiency are seriously affected, the problem that the centers of the vest bags are inaccurate is solved, and the situation that the widths of the inserting edges at two sides of the vest bags are different is caused.
Disclosure of Invention
The invention aims to solve the technical problems that the prior art is insufficient, a full-automatic waste edge-free automatic width-adjusting vest bag making machine is provided, a traditional edge sealing mode is abandoned, a new edge sealing mechanism is designed, the processed vest bag edge seals are mutually laminated edge seals, edge sealing positions can be unfolded along with the vest bag, the edge sealing positions are reasonably utilized, waste edges are removed, the vest bag capacity is enlarged, no protrusion exists, the whole is smooth, and the attractive appearance is good.
In order to achieve the above purpose, the present invention provides the following technical solutions: the full-automatic waste edge-free automatic width-adjusting vest bag making machine comprises a frame, a feeding device, a doubling forming device, a width-adjustable heat-sealing edge inserting device and a stamping forming device, wherein the feeding device, the doubling forming device, the width-adjustable heat-sealing edge inserting device and the stamping forming device are sequentially arranged on the frame; the two groups of spreading and guiding frames are symmetrically distributed on two sides of the main connecting rod respectively; the edge sealing pushing material sets are distributed on the side parts of a group of spreading guide frames, the edge sealing pushing material sets comprise a first edge sealing pushing material plate and a second edge sealing pushing material plate, the first edge sealing pushing material plate is arranged at one side edge of the spreading guide frames and is distributed between the spreading guide frames and the machine frame, the second edge sealing pushing material plate is oppositely arranged at the other side edge of the spreading guide frames and is distributed between the first edge sealing pushing material plate and the machine frame, and the adjacent side edges of the first edge sealing pushing material plate and the second edge sealing pushing material plate extend towards each other until a repeated edge pressing gap area with edge sealing width exists in the first edge sealing pushing material plate and the second edge sealing pushing material plate, and the first edge sealing pushing material plate and the second edge sealing pushing material plate are respectively linked with a linear motion mechanism.
According to the technical scheme, a traditional edge sealing mode is abandoned, a new edge sealing mechanism is designed, the edge sealing of the vest bag is different from the traditional edge sealing, the edge sealing of the vest bag is enabled to be different from the traditional edge sealing, the first edge sealing pushing plate, the second edge sealing pushing plate, the repeated edge pressing gap area and the first edge sealing component are utilized, the edge sealing of the vest bag is the edge sealing which is mutually overlapped and is not the traditional symmetrically folded edge sealing, the edge sealing part can be unfolded along with the vest bag, the edge sealing part is reasonably utilized, the slitter edge is removed, the capacity of the vest bag is enlarged, the edge sealing of the traditional vest bag cannot be unfolded along with the vest bag, only the connecting effect is achieved, waste exists at the edge sealing part, the traditional edge sealing part is convex after the vest bag is unfolded, the edge sealing part of the vest bag which can be processed by the bag making machine provided by the technical scheme is not convex, the whole is smooth, and attractive; the folding forming device is used for folding the cloth to form a structure required by welding; the punch forming device is used for punching, bagging, cutting and other operations on the cloth.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the center positioning mechanism comprises a first gear hinged to the main connecting rod and a first driving motor linked with the first gear, wherein a first rack and a second rack are respectively meshed and driven on two sides of the first gear, the first rack and the second rack are distributed along the direction perpendicular to the axis of the main connecting rod, a first center positioning supporting rod is fixedly connected to the end part of the first rack relatively, and a second center positioning supporting rod is fixedly connected to the end part of the second rack relatively.
By adopting the technical scheme, the first central positioning supporting rod and the second central positioning supporting rod synchronously move through the first gear, the first rack and the second rack, and the vest bag is flattened by the two central positioning supporting rods, so that the vest bag is centrally positioned, the accuracy is high, no deviation exists, and the opening distance of the central positioning mechanism can be adjusted according to actual conditions so as to adapt to vest bags of different specification types, and the width is freely adjusted.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the edge inserting and folding mechanism comprises two groups of vest expanding frames and two groups of folding wheels, wherein the two groups of folding wheels are symmetrically distributed on two sides of the main connecting rod, and the two groups of vest expanding frames are symmetrically distributed on two sides of the main connecting rod and are arranged between the folding wheels and the main connecting rod; the vest expansion frame comprises two groups of symmetrically distributed expansion plates, a folded edge material expansion gap is arranged between the two groups of expansion plates, the two groups of vest expansion frames are respectively and fixedly connected with a group of third racks in a relative mode, the third racks are meshed and driven with a second gear, and the second gear is hinged to the main connecting rod and connected with a second driving motor in parallel.
By adopting the technical scheme, the vest expanding frame formed by the two groups of expanding plates and the folding material expanding gap can expand the vest bag with the positioned center and the flat shape so as to expand the two sides conveniently, and the two groups of folding wheels can fold the expanded two sides; further, the two groups of third racks are respectively linked with one group of vest expansion frames and synchronously driven through the second gear, so that left and right adjustment of the two groups of vest expansion frames is realized, on one hand, vest bags of different specification types are processed in a suitable mode, free width adjustment is further realized, on the other hand, the two groups of vest expansion frames synchronously move, the centers of the vest bags are kept unchanged all the time, and the positioning is accurate.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the feeding device comprises a feeding roller and a flanging mechanism, wherein the flanging mechanism comprises a flanging guide shaft, a plurality of groups of flanging wheels, a flanging cloth supporting plate, a flanging pressing plate and a second edge sealing component, the groups of flanging wheels are orderly arranged and distributed above the flanging cloth supporting plate along the axis direction of the flanging guide shaft, and the flanging pressing plate is distributed on one side of the flanging wheels and above the flanging cloth supporting plate.
By adopting the technical scheme, the feeding device has the feeding function and the flanging function; the folding mechanism can fold two sides of the cloth, at present, the mouth part of some vest bags need to be folded, on one hand, the connection strength of the mouth part of the vest bags is enhanced, the heat sealing connection of handles is facilitated, the connection part between the handles and the vest bags is prevented from being broken, on the other hand, double-sided adhesive tape is convenient to paste, and the vest bags can be sealed; the flanging process is as follows: the hem guiding axle is at first flattening and guiding action to the cloth for the cloth middle part laminating hem clamp plate all the time, and the cloth both ends turn over under the effect of hem clamp wheel and turn over and roll over until entering between hem wheel and the hem clamp plate, the cloth both ends are formed with the hem of turning over the state, and after the hem transported to second banding components and parts department, the hem of second banding components and parts turns over the state welds, so this hem is accomplished, and the hem connection is firm.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the feeding device further comprises a discharging swing arm, one end of the discharging swing arm is hinged to the frame, a U-shaped bayonet is arranged at the other end of the discharging swing arm, the end portion of the feeding roller is detachably connected with the discharging swing arm through the U-shaped bayonet, a discharging cylinder is hinged to the middle portion of the discharging swing arm, the end portion of the discharging cylinder is hinged to the frame, and the discharging swing arm is in linkage with a limiting cylinder distributed on one side of the U-shaped bayonet.
By adopting the technical scheme, the discharging swing arm rotates around the hinge position of the frame under the drive of the discharging cylinder, and the feeding roller can rotate along with the discharging swing arm, so that automatic feeding is performed; further, a U-shaped bayonet and a limiting cylinder are arranged at the end part of the discharging swing arm, and the feeding roller and the discharging swing arm are in a detachable connection mode, so that operations such as feeding and reel changing are facilitated.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the edge folding mechanism further comprises a plurality of groups of edge folding connecting plates, the upper ends of the groups of edge folding connecting plates are hinged to the edge folding guide shafts and are orderly arranged at intervals along the axis direction of the edge folding guide shafts, edge inserting wheels are arranged at the lower ends of the edge folding connecting plates, and a first screw rod mechanism is linked in the middle of the edge folding connecting plates.
By adopting the technical scheme, the edge inserting wheel can be driven by the first screw rod mechanism to adjust the left and right positions according to actual conditions, so that the processing of vest bags of different specifications and types is adapted.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the punch forming device comprises an ultrasonic film pressing mechanism, a bag dividing and cutting mechanism and a first punching mechanism which are sequentially arranged along the effective transportation direction; the ultrasonic film pressing mechanism comprises an ultrasonic ironing knife assembly and an ultrasonic molding male assembly which are distributed up and down relatively; the bag separating and cutting mechanism comprises an upper cutter assembly and a lower cutter assembly, and the upper cutter assembly and the lower cutter assembly are vertically opposite and distributed in a staggered manner; the bag separating and cutting mechanism and the ultrasonic film pressing mechanism are arranged in a lifting mechanism, the lifting mechanism comprises a lifting roller, lifting sliding blocks are fixedly connected to two ends of the lifting roller relatively, and the lifting sliding blocks are linked with a second screw rod mechanism.
By adopting the technical scheme, the ultrasonic film pressing mechanism has the functions of serving as a welding edge, welding the front end and the rear end of the vest bag according to the size requirements of the vest bags with different specifications, and primarily dividing the vest bags; then, the bag dividing and cutting mechanism cuts off two adjacent groups of vest bags to realize bag dividing; after the bag separation is completed, a handle is processed by utilizing a first punching mechanism; further, the lifting mechanism is additionally arranged to adaptively adjust the height according to the vest bags of different specifications, so that the length of cloth between the ultrasonic film pressing mechanism and the bag dividing and cutting mechanism is changed, the cloth between the ultrasonic film pressing mechanism and the bag dividing and cutting mechanism is ensured to be an integral multiple of the length and the size of the vest bag all the time, and the vest bags of different specifications are processed.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the punching forming device further comprises a second punching mechanism which is distributed between the adjustable wide heat-sealing edge inserting device and the ultrasonic film pressing mechanism, the second punching mechanism comprises a portable puncher, the portable puncher is detachably connected with a punching frame guide rod which is transversely distributed on the frame, the end part of the punching frame guide rod is hinged with a punching rocker side plate, the sliding linkage of the punching rocker side plate is provided with a fourth rack which is arranged on the frame, the fourth rack is meshed with a pinion, the pinion is fixedly arranged on the punching frame guide rod, and the end part of the punching frame guide rod is provided with a first hand wheel.
By adopting the technical scheme, the punching operation is needed at the position between the two handles of some vest bags at present, and the functions can be realized by adding a second punching mechanism to realize the requirements; further, set up the frame guide arm that punches a hole in the second mechanism that punches a hole, the rocker curb plate that punches a hole, fourth rack, pinion, first hand wheel for portable puncher's transverse position, front and back position all can be adjusted according to actual conditions, on the one hand, promote the suitability, on the other hand, reduce the influence that the error brought, make things convenient for portable puncher to install in place.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the punch forming device further comprises an electric eye marking mechanism which is distributed between the second punching mechanism and the ultrasonic film pressing mechanism.
By adopting the technical scheme, the electric eye marking mechanism is additionally arranged to position the hole, so that the processing and positioning of the later-stage acoustic wave film pressing mechanism, the bag separating and cutting mechanism and the first punching mechanism are facilitated.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the stamping forming device further comprises a stacking conveying mechanism which is distributed between the bag separating and cutting mechanism and the first punching mechanism, the stacking conveying mechanism comprises a clamping component and a belt pulley component, the belt pulley component is installed on the frame and is in linkage with the clamping component, the clamping component comprises a transverse transmission frame with the end part in linkage with the belt pulley component, a clamping base is fixedly connected with relative to the transverse transmission frame, one end of the clamping base is hinged with a clamping cylinder, the end part of the clamping cylinder is hinged with a material sucking clamping rod, and the end part of the material sucking clamping rod, which is close to the clamping cylinder, is hinged to the middle part of the clamping base.
By adopting the technical scheme, the material stacking and transporting mechanism is mainly used for stacking the materials after cutting off the bags, the height of single stacked materials can be regulated according to actual conditions (namely, the bag thickness), after the materials are stacked to the regulated height, the material stacking and transporting mechanism transports the materials to the first punching mechanism to punch handles, the movement times of the first punching mechanism are reduced in the whole process, the service life is prolonged, the processing precision of the vest bags can be further improved, and the conditions that the materials are slightly deviated in the aspects of material transportation and the like during the single punching process can cause inconsistent positions of handles of the vest bags, and the processing precision of the vest bags is poor.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine can be further provided with: the stacking and transporting mechanism further comprises a receiving plate distributed below the clamping assembly, and a guide groove in clearance fit with the clamping base is arranged on the receiving plate.
By adopting the technical scheme, the guide chute guides the movement of the clamping base, so that the shaking of the stacking conveying mechanism is reduced, and the stability is improved.
The invention is described in further detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a feeding device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a doubling-up forming device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a configuration of an edge inserting device for heat sealing with adjustable width according to an embodiment of the present invention;
FIG. 5 is a schematic front view of an adjustable width heat seal edge inserting apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an edge sealing mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a welded fabric of an edge sealing mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic front view of a centering mechanism according to an embodiment of the present invention;
FIG. 9 is a schematic view of a bottom-pocket mouth sealing mechanism according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a portion of an automatic stamping device according to an embodiment of the present invention;
FIG. 11 is an exploded view of an automatic punch formed pull bag according to an embodiment of the present invention;
FIG. 12 is a schematic view of the structure of the edge sealing part of a conventional vest bag;
FIG. 13 is a schematic view of the structure of the edge sealing part of the vest bag after the processing according to the embodiment of the invention;
Reference numerals notes: a frame 1, a feeding device 2, a doubling forming device 3, a width-adjustable heat-seal edge inserting device 4 and a stamping forming device 5; the feeding device comprises a feeding roller 21, a flanging mechanism 22, a discharging swing arm 23, a U-shaped bayonet 24, a discharging cylinder 25 and a limiting cylinder 26; a hemming guide shaft 221, a hemming wheel 222, a hemming cloth supporting plate 223, a hemming press plate 224, a second edge sealing component 225, a hemming connecting plate 226 and a first screw mechanism 227; tripod 31, slope 32, slope 33; a main link 44, an edge sealing mechanism 41, a center positioning mechanism 42, and an edge inserting and folding mechanism 43; the material guiding frame 411 is expanded, the first edge sealing material pushing plate 412, the second edge sealing material pushing plate 413, the first edge sealing component 414, the repeated edge pressing gap area 415, the linear motion mechanism 416 and the linear bearing 417 are arranged; a first gear 421, a first drive motor 422, a first rack 423, a second rack 424, a first centering strut 425, a second centering strut 426; a vest spreading frame 431, a spreading plate 4311, a rim inserting wheel 432, a third rack 433 and a second gear 434; the ultrasonic film pressing mechanism 51, the bag separating and cutting mechanism 52, the first punching mechanism 53, the lifting mechanism 54, the second punching mechanism 55, the electric eye marking mechanism 56 and the stacking and conveying mechanism 57; an ultrasonic wave ironing knife assembly 511 and an ultrasonic wave molding male assembly 512; an upper cutter assembly 521, a lower cutter assembly 522; a lifting roller 541, a lifting slider 542, and a second screw mechanism 543; the portable puncher 551, the punching frame guide rod 552, the punching rocker side plate 553, the fourth rack 554, the pinion 555 and the first hand wheel 556; pulley assembly 571, transverse transmission frame 572, clamping base 573, clamping cylinder 574, suction clamping lever 575, receiving plate 576, and guide chute 577.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The full-automatic slitter edge-free automatic width-adjusting vest bag making machine shown in fig. 1 comprises a frame 1, a feeding device 2, a doubling forming device 3, a width-adjustable heat-seal edge-inserting device 4 and a stamping forming device 5 which are sequentially arranged on the frame 1, wherein a traction roller group for sequentially linking all the devices is further arranged on the frame 1. Wherein, the feeding device 2 is used for transporting and folding cloth; the doubling forming device 3 is used for doubling the cloth to form a structure required by welding; the width-adjustable heat-seal edge inserting device 4 has the functions of performing operations such as welding, center positioning, edge inserting and the like on the cloth; the punch forming device 5 performs operations such as punching, bag separation and cutting on the cloth.
The feeding device 2 shown in fig. 2 comprises a feeding roller 21 and a hemming mechanism 22, wherein the hemming mechanism 22 comprises a hemming guide shaft 221, 6 groups of hemming wheels 222, a hemming cloth supporting plate 223, a hemming pressing plate 224 and a second edge sealing component 225,6 groups of hemming wheels 222 which are orderly arranged along the axis direction of the hemming guide shaft 221 and distributed above the hemming cloth supporting plate 223, and the hemming pressing plate 224 is distributed on one side of the hemming wheels 222 and above the hemming cloth supporting plate 223. The edge folding mechanism 22 can fold two sides of the cloth, the mouth of some vest bags at present needs to be folded, on one hand, the connection strength of the mouth of the vest bag is enhanced, the heat sealing connection of the handles is facilitated, the connection part between the handles and the vest bag is prevented from being broken, on the other hand, double-sided adhesive tape is convenient to adhere, and sealing can be performed after the vest bags are filled with articles. The flanging process is as follows: the hem guide shaft 221 is used for firstly flattening and guiding the cloth, so that the middle part of the cloth is always attached to the hem pressing plate 224, two ends of the cloth are folded under the action of the hem pressing plate until the two ends of the cloth enter between the hem wheel 222 and the hem pressing plate 224, the two ends of the cloth are provided with folds in a folded state, after the folds are transported to the second edge sealing component 225, the folds in the folded state of the second edge sealing component 225 are welded, and therefore the folds are completed and the folded connection is stable. The flanging mechanism 22 further comprises 4 groups of flanging connecting plates 226,4, wherein the upper ends of the groups of flanging connecting plates 226 are hinged to the flanging guide shaft 221 and are orderly arranged at intervals along the axis direction of the flanging guide shaft 221, the flanging wheel 222 is arranged at the lower end of the flanging connecting plate 226, and a first screw mechanism 227 is linked in the middle of the flanging connecting plate 226. The flanging wheel 222 can be driven by the first screw rod mechanism 227 to adjust the left and right positions according to actual conditions, so that the processing of vest bags with different specifications and types is adapted.
The feeding device 2 further comprises a discharging swing arm 23, one end of the discharging swing arm 23 is hinged to the frame 1, a U-shaped bayonet 24 is arranged at the other end of the discharging swing arm, the end of the feeding roller 21 is detachably connected with the discharging swing arm 23 through the U-shaped bayonet 24, a discharging cylinder 25 is hinged to the middle of the discharging swing arm 23, the end of the discharging cylinder 25 is hinged to the frame 1, and the discharging swing arm 23 is in linkage with a limiting cylinder 26 distributed on one side of the U-shaped bayonet 24. The discharging swing arm 23 rotates around the hinge joint with the frame 1 under the drive of the discharging air cylinder 25, and the feeding roller 21 can rotate along with the discharging swing arm 23, so that automatic feeding is performed; further, a U-shaped bayonet 24 and a limiting cylinder 26 are arranged at the end part of the discharging swing arm 23, and the feeding roller 21 and the discharging swing arm 23 are in a detachable connection mode, so that operations such as feeding and reel changing are facilitated. The feeding device 2 has the advantages of feeding function, flanging function, automatic feeding, convenience in material supplementing, roll changing and the like.
The folding forming device 3 shown in fig. 3 comprises a tripod 31 mounted on the frame 1, wherein the tripod 31 is provided with two groups of slopes 32 which are symmetrically distributed in front and back, a group of slopes 33 which are obliquely arranged towards one side are arranged between the two groups of slopes 32, and cloth can form a folding state after passing through the two groups of slopes 32 and the slopes 33 of the tripod 31, so that two sides needing to be welded are opposite, and the subsequent width-adjustable heat-seal edge inserting device 4 is convenient to weld.
The width-adjustable heat-seal edge inserting device 4 shown in fig. 4 to 8 comprises a main connecting rod 44, an edge sealing mechanism 41, a center positioning mechanism 42 and an edge inserting folding mechanism 43 which are sequentially arranged on the main connecting rod 44.
The edge sealing mechanism 41 comprises two groups of expanding guide frames 411, an edge sealing pushing group and a first edge sealing component 414; the two groups of spreading and guiding frames 411 are symmetrically distributed on two sides of the main connecting rod 44 respectively; the edge sealing pushing groups are distributed on the side parts of the group of the expanding guide frames 411, each edge sealing pushing group comprises a first edge sealing pushing plate 412 and a second edge sealing pushing plate 413, the first edge sealing pushing plates 412 are arranged on one side edge of the expanding guide frames 411 and distributed between the expanding guide frames 411 and the machine frame 1, the second edge sealing pushing plates 413 are oppositely arranged on the other side edge of the expanding guide frames 411 and distributed between the first edge sealing pushing plates 412 and the machine frame 1, and adjacent side edges of the first edge sealing pushing plates 412 and the second edge sealing pushing plates 413 extend towards each other until a repeated edge pressing gap area 415 with edge sealing width exists in the first edge sealing pushing plates 412 and the second edge sealing pushing plates 413, and the first edge sealing pushing plates 412 and the second edge sealing pushing plates 413 are respectively linked with the linear motion mechanism 416. This edge banding mechanism 41 abandons traditional edge banding mode, design new edge banding mechanism 41, it is different with traditional banding to promote the banding of undershirt bag, utilize first edge banding push plate 412, second edge banding push plate 413, repeat blank pressing clearance area 415, first banding components and parts 414, the banding of undershirt bag is the banding of mutual range upon range of, it is not traditional symmetrical folding banding, banding department can be followed undershirt bag and is expanded, rationally utilize banding department, get rid of the slitter edge, enlarge undershirt bag capacity, and the banding of traditional undershirt bag can not be followed undershirt bag and be expanded, only do the linking effect, banding department constitutes the slitter edge during the use, so there is extravagant in banding department, and the undershirt bag is expanded the back, traditional banding department protrusion, it is unsightly, and the undershirt bag banding department that can process out through the bag making machine that this technical scheme provided is whole smooth, aesthetic property is good. The edge sealing mechanism 41 further includes a linear bearing 417 mounted on the main link 44 and linked with the expanding guide frame 411. By arranging the linear belt seat bearing 417 between the main connecting rod 44 and the spreading and guiding frame 411, the spreading and guiding frame 411 can also be adjusted according to the requirement, so that the width of the vest bags with different specifications can be changed according to the actual conditions and the vest bags with different specifications can be processed.
The center positioning mechanism 42 comprises a first gear 421 on the hinged main connecting rod 44 and a first driving motor 422 linked with the first gear 421, a first rack 423 and a second rack 424 are respectively meshed and driven on two sides of the first gear 421, the first rack 423 and the second rack 424 are distributed along the axis direction perpendicular to the main connecting rod 44, the end part of the first rack 423 is relatively and fixedly connected with a first center positioning supporting rod 425, and the end part of the second rack 424 is relatively and fixedly connected with a second center positioning supporting rod 426. The first center positioning stay bar 425 and the second center positioning stay bar 426 are synchronously moved through the first gear 421, the first rack 423 and the second rack 424, and the vest bag is flattened by the two center positioning stay bars, so that the vest bag is center positioned, the accuracy is high, no deviation exists, and the opening distance of the center positioning mechanism 42 can be adjusted according to actual conditions so as to adapt to vest bags of different specification types, and the width can be freely adjusted.
The edge inserting and folding mechanism 43 comprises two groups of vest expanding frames 431 and two groups of edge inserting wheels 432, the two groups of edge inserting wheels 432 are symmetrically distributed on two sides of the main connecting rod 44, and the two groups of vest expanding frames 431 are symmetrically distributed on two sides of the main connecting rod 44 and are arranged between the edge inserting wheels 432 and the main connecting rod 44; the vest-spreading frame 431 includes two groups of symmetrically distributed spreading plates 4311, folded material spreading gaps are arranged between the two groups of spreading plates 4311, the two groups of vest-spreading frames 431 are respectively and fixedly connected with a group of third racks 433, the third racks 433 are in meshed transmission with a second gear 434, and the second gear 434 is hinged on the main connecting rod 44 and connected with a second driving motor in parallel. The vest expanding frame 431 formed by the two groups of expanding plates 4311 and the folded edge expanding gaps can expand the vest bag with the positioned center and flat shape so as to expand the two sides conveniently, and the two groups of edge inserting wheels 432 can fold the two expanded sides; further, the two groups of third racks 433 are respectively linked with the group of vest expansion frames 431 and synchronously driven through the second gear 434, so that left and right adjustment of the two groups of vest expansion frames 431 is realized, on one hand, the vest bags with different specifications and types are processed in a suitable manner, and further free width adjustment is realized, and on the other hand, the two groups of vest expansion frames 431 synchronously move, so that the center of the vest bags is always unchanged and the positioning is accurate.
The first edge sealing component 414 and the second edge sealing component 225 are both composed of an ultrasonic edge sealing device and edge sealing rollers, the edge sealing rollers are distributed below the edge sealing pushing group, and the ultrasonic edge sealing device and the edge sealing rollers are distributed relatively. The ultrasonic welding mode can realize rapid and accurate welding, meets the requirements of transportation and edge sealing of the vest bag in the bag manufacturing process, ensures stable welding quality at the edge sealing position, has no damage, and has good surface forming, no deformation and no scratch; further, the edge seal roller has the following advantages: firstly, materials are continuously transported in the edge sealing process, and the transportation and edge sealing are not wrong, so that the production efficiency is improved; secondly, the edge sealing roller is matched with the ultrasonic edge sealer, supports the laminated edge sealing at the welding position, and assists in completing welding.
The press molding apparatus 5 as shown in fig. 9 to 11 includes an ultrasonic film pressing mechanism 51, a pouch separating and cutting mechanism 52, and a first punching mechanism 53, which are arranged in this order in the effective transport direction.
The ultrasonic film pressing mechanism 51 comprises an ultrasonic ironing knife assembly 511 and an ultrasonic molding male assembly 512 which are distributed up and down relatively; the bag separating and cutting mechanism 52 comprises an upper cutter assembly 521 and a lower cutter assembly 522, wherein the upper cutter assembly 521 and the lower cutter assembly 522 are opposite up and down and are distributed in a dislocation manner; the lifting mechanism 54 is arranged between the bag separating and cutting mechanism 52 and the ultrasonic film pressing mechanism 51, the lifting mechanism 54 comprises a lifting roller 541, lifting sliding blocks 542 are fixedly connected to two ends of the lifting roller 541 relatively, and the lifting sliding blocks 542 are linked with a second screw rod mechanism 543. The ultrasonic film pressing mechanism 51 has the function of welding edges, and the front end and the rear end of the vest bag are welded according to the size requirements of the vest bags with different specifications, so that the bags are primarily separated; then, the bag dividing and cutting mechanism 52 cuts off two adjacent groups of vest bags to realize bag dividing; after the bag separation is completed, a handle is processed by utilizing a first punching mechanism 53; further, the lifting mechanism 54 is additionally arranged to adaptively adjust the height according to the vest bags of different specifications, so that the length of the cloth between the ultrasonic film pressing mechanism 51 and the bag dividing and cutting mechanism 52 is changed, the cloth between the ultrasonic film pressing mechanism 51 and the bag dividing and cutting mechanism 52 is ensured to be an integral multiple of the length and the size of the vest bag all the time, and the vest bags of different specifications are processed.
The punch forming device 5 further comprises a second punching mechanism 55 distributed between the width-adjustable heat-seal edge inserting device 4 and the ultrasonic film pressing mechanism 51, the second punching mechanism 55 comprises a portable puncher 551, the portable puncher 551 is detachably connected with a punching frame guide rod 552 transversely distributed on the frame 1, the end part of the punching frame guide rod 552 is hinged with a punching rocker side plate 553, the punching rocker side plate 553 is in sliding linkage with a fourth rack 554 mounted on the frame 1, the fourth rack 554 is in meshing transmission with a pinion 555, the pinion 555 is fixedly mounted on the punching frame guide rod 552, and the end part of the punching frame guide rod 552 is provided with a first hand wheel 556. At present, the position between the two handles of some vest bags needs to be punched, and in order to meet the requirements, a second punching mechanism 55 is additionally arranged, so that the functions can be realized; further, the second punching mechanism 55 is additionally provided with a punching frame guide rod 552, a punching rocker side plate 553, a fourth rack 554, a pinion 555 and a first hand wheel 556, so that the transverse position and the front and back positions of the portable puncher 551 can be adjusted according to practical conditions, on one hand, the suitability is improved, on the other hand, the influence caused by errors is reduced, and the portable puncher 551 is convenient to install in place.
The press forming device 5 further includes an electric eye marking mechanism 56 disposed between the second punching mechanism 55 and the ultrasonic film pressing mechanism 51. An electric eye marking mechanism 56 is additionally arranged to position the holes, so that the later-stage acoustic wave film pressing mechanism, the bag separating and cutting mechanism 52 and the first punching mechanism 53 can be conveniently processed and positioned.
The stamping forming device 5 further comprises a stacking conveying mechanism 57 which is distributed between the bag separating and cutting mechanism 52 and the first punching mechanism 53, the stacking conveying mechanism 57 comprises a clamping component and a belt pulley component 571, the belt pulley component 571 is installed on the frame 1 and is linked with the clamping component, the clamping component comprises a transverse transmission frame 572 with the end part linked with the belt pulley component 571, the transverse transmission frame 572 is fixedly connected with a clamping base 573 relatively, one end of the clamping base 573 is hinged with a clamping cylinder 574, the end part of the clamping cylinder 574 is hinged with a material sucking clamping rod 575, and the end part of the material sucking clamping rod 575, which is close to the clamping cylinder 574, is hinged to the middle part of the clamping base 573. The stacking and transporting mechanism 57 is mainly used for stacking the cut cloth after bag separation, the height of single stacked materials can be regulated according to actual conditions (namely, the bag thickness), after the single stacked materials are stacked to the regulated height, the stacking and transporting mechanism 57 transports the cloth to the first punching mechanism 53 for carrying out handle punching operation, the movement times of the first punching mechanism 53 are reduced in the whole process, the service life is prolonged, the processing precision of the vest bag can be further improved, and as the cloth is slightly offset in aspects of cloth transportation and the like in the single punching process, the positions of handles of the vest bags are inconsistent, and the precision is poor, so that the processing precision of the vest bag can be improved through the stacking and transporting mechanism 57. The stacking transport mechanism 57 further comprises a receiving plate 576 distributed below the clamping assembly, and a guide groove 577 in clearance fit with the clamping base 573 is arranged on the receiving plate 576. Guide chute 577 guides the motion of clamping base 573, reduces the shake of stacking transport mechanism 57, and promotes stability.
This embodiment has the following advantages:
1. The edge sealing mode of the traditional symmetrical folding edge sealing (shown in figure 12) is abandoned, a new edge sealing mechanism 41 is designed, the edge sealing of the vest bag is the edge sealing which is mutually overlapped (shown in figure 13), the edge sealing part can be unfolded along with the vest bag, the edge sealing part is reasonably utilized, the slitter edge is removed, the capacity of the vest bag is enlarged, the edge sealing of the traditional vest bag can not be unfolded along with the vest bag, only the connecting function is realized, the edge sealing part forms the slitter edge during use, so the edge sealing part is wasted, the traditional edge sealing part is convex and is not attractive after the vest bag is unfolded, and the edge sealing part of the vest bag which can be processed by the bag making machine provided by the technical scheme is free from convex, and is integrally smooth and attractive;
2. the center positioning mechanism 42 and the edge inserting and folding mechanism 43 are improved, the edge-sealed cloth can be automatically centered and freely adjusted in width, and the cloth can be adjusted according to actual conditions so as to adapt to vest bags of different specifications and types, so that the freely adjusted width is realized;
3. The edge folding mechanism 22 is additionally arranged, two sides of cloth can be folded, the mouth of some vest bags at present need to be folded, on one hand, the connection strength of the mouth of the vest bag is enhanced, the heat sealing connection of the handles is facilitated, the connection part between the handles and the vest bag is prevented from being broken, on the other hand, double-sided adhesive tape is convenient to adhere, and sealing can be carried out after the vest bags are filled with things;
4. the traditional connection mode that the feeding roller 21 is hinged to the frame 1 is abandoned, the feeding swing arm 23, the feeding cylinder 25, the U-shaped bayonet 24 and the limiting cylinder 26 are additionally arranged, the feeding roller 21 and the feeding swing arm 23 are caused to be in a detachable connection mode, and operations such as feeding and reel changing are facilitated. The feeding device 2 has the advantages of feeding function, flanging function, automatic feeding, convenience in material supplementing, roll changing and the like;
5. The lifting mechanism 54 is additionally arranged to adaptively adjust the height according to the vest bags of different specifications, so that the length of the cloth between the ultrasonic film pressing mechanism 51 and the bag dividing and cutting mechanism 52 is changed, the cloth between the ultrasonic film pressing mechanism 51 and the bag dividing and cutting mechanism 52 is ensured to be an integral multiple of the length of the vest bag all the time, and the vest bags of different specifications are processed.
The stacking and transporting mechanism 57 is additionally arranged, the cloth after being cut off and separated into bags is piled and then punched, the movement times of the first punching mechanism 53 are reduced, the service life is prolonged, and the processing precision of the vest bag can be improved.
Claims (6)
1. Full-automatic slitter edge-free automatic width-adjusting vest bag making machine comprises a frame, a feeding device, a folding forming device, an adjustable width heat-sealing edge-inserting device and a stamping forming device, wherein the feeding device, the folding forming device, the adjustable width heat-sealing edge-inserting device and the stamping forming device are sequentially arranged on the frame, and a traction roller group for sequentially linking the devices is further arranged on the frame, and the full-automatic slitter edge-free automatic width-adjusting vest bag making machine is characterized in that: the width-adjustable heat-sealing edge inserting device comprises a main connecting rod, and an edge sealing mechanism, a center positioning mechanism and an edge inserting and folding mechanism which are sequentially arranged on the main connecting rod, wherein the edge sealing mechanism comprises two groups of expanding and guiding frames, an edge sealing pushing group and a first edge sealing component; the two groups of spreading and guiding frames are symmetrically distributed on two sides of the main connecting rod respectively; the edge sealing pushing groups are distributed on the side parts of a group of spreading and guiding frames, each edge sealing pushing group comprises a first edge sealing pushing plate and a second edge sealing pushing plate, each first edge sealing pushing plate is arranged at one side of the spreading and guiding frame and is distributed between the spreading and guiding frame and the frame, each second edge sealing pushing plate is oppositely arranged at the other side of the spreading and guiding frame and is distributed between the corresponding first edge sealing pushing plate and the frame, and the adjacent side edges of the first edge sealing pushing plate and the second edge sealing pushing plate extend towards each other until a repeated edge pressing gap area with edge sealing width exists between the corresponding first edge sealing pushing plate and the corresponding second edge sealing pushing plate, and the first edge sealing pushing plate and the second edge sealing pushing plate are respectively linked with a linear motion mechanism; the punch forming device comprises an ultrasonic film pressing mechanism, a bag dividing and cutting mechanism and a first punching mechanism which are sequentially arranged along the effective transportation direction; a lifting mechanism is arranged between the bag separating and cutting mechanism and the ultrasonic film pressing mechanism, the lifting mechanism comprises a lifting roller, lifting sliding blocks are fixedly connected with two ends of the lifting roller relatively, and the lifting sliding blocks are linked with a second screw rod mechanism; the punching forming device further comprises a second punching mechanism which is distributed between the width-adjustable heat-seal edge inserting device and the ultrasonic film pressing mechanism, the second punching mechanism comprises a portable puncher, the portable puncher is detachably connected with a punching frame guide rod which is transversely distributed on the frame, the end part of the punching frame guide rod is hinged with a punching rocker side plate, the punching rocker side plate is in sliding linkage with a fourth rack which is arranged on the frame, the fourth rack is meshed and driven with a pinion, the pinion is fixedly arranged on the punching frame guide rod, and the end part of the punching frame guide rod is provided with a first hand wheel; the stamping forming device also comprises an electric eye marking mechanism which is distributed between the second punching mechanism and the ultrasonic film pressing mechanism; the stamping forming device further comprises a stacking conveying mechanism distributed between the bag separating and cutting mechanism and the first punching mechanism, the stacking conveying mechanism comprises a clamping component and a belt pulley component, the belt pulley component is installed on the frame and is in linkage with the clamping component, the clamping component comprises a transverse transmission frame with the end part in linkage with the belt pulley component, a clamping base is fixedly connected with relative to the transverse transmission frame, one end of the clamping base is hinged with a clamping cylinder, the end part of the clamping cylinder is hinged with a material sucking clamping rod, the end part of the material sucking clamping rod, which is close to the clamping cylinder, is hinged to the middle part of the clamping base, the stacking conveying mechanism further comprises a material receiving plate distributed below the clamping component, and a guide groove in clearance fit with the clamping base is arranged on the material receiving plate.
2. The fully automatic slitless edge automatic width-adjusting vest bag-making machine according to claim 1, characterized in that: the center positioning mechanism comprises a first gear hinged to the main connecting rod and a first driving motor linked with the first gear, wherein a first rack and a second rack are respectively meshed and driven on two sides of the first gear, the first rack and the second rack are distributed along the direction perpendicular to the axis of the main connecting rod, a first center positioning supporting rod is fixedly connected to the end part of the first rack relatively, and a second center positioning supporting rod is fixedly connected to the end part of the second rack relatively.
3. The fully automatic slitless edge automatic width-adjusting vest bag-making machine according to claim 1, characterized in that: the edge inserting and folding mechanism comprises two groups of vest expanding frames and two groups of edge inserting wheels, wherein the two groups of edge inserting wheels are symmetrically distributed on two sides of the main connecting rod, and the two groups of vest expanding frames are symmetrically distributed on two sides of the main connecting rod and are arranged between the edge inserting wheels and the main connecting rod; the vest expansion frame comprises two groups of symmetrically distributed expansion plates, a folded edge material expansion gap is arranged between the two groups of expansion plates, the two groups of vest expansion frames are respectively and fixedly connected with a group of third racks in a relative mode, the third racks are meshed and driven with a second gear, and the second gear is hinged to the main connecting rod and connected with a second driving motor in parallel.
4. The fully automatic slitless edge automatic width-adjusting vest bag-making machine according to claim 1, characterized in that: the feeding device comprises a feeding roller and a flanging mechanism, wherein the flanging mechanism comprises a flanging guide shaft, a plurality of groups of flanging wheels, a flanging cloth supporting plate, a flanging pressing plate and a second edge sealing component, the groups of flanging wheels are orderly arranged and distributed above the flanging cloth supporting plate along the axis direction of the flanging guide shaft, and the flanging pressing plate is distributed on one side of the flanging wheels and above the flanging cloth supporting plate.
5. The fully automatic slitter edge-free automatic width-adjusting vest bag-making machine according to claim 4, which is characterized in that: the feeding device further comprises a discharging swing arm, one end of the discharging swing arm is hinged to the frame, a U-shaped bayonet is arranged at the other end of the discharging swing arm, the end portion of the feeding roller is detachably connected with the discharging swing arm through the U-shaped bayonet, a discharging cylinder is hinged to the middle portion of the discharging swing arm, the end portion of the discharging cylinder is hinged to the frame, and the discharging swing arm is in linkage with a limiting cylinder distributed on one side of the U-shaped bayonet.
6. The fully automatic slitter edge-free automatic width-adjusting vest bag-making machine according to claim 4, which is characterized in that: the edge folding mechanism further comprises a plurality of groups of edge folding connecting plates, the upper ends of the groups of edge folding connecting plates are hinged to the edge folding guide shafts and are orderly arranged at intervals along the axis direction of the edge folding guide shafts, the edge folding wheels are arranged at the lower ends of the edge folding connecting plates, and a first screw rod mechanism is linked in the middle of the edge folding connecting plates.
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