CN215245870U - Full-automatic M-shaped bag feeding and packaging machine - Google Patents

Abstract

The utility model relates to a bag packagine machine is given to full-automatic M shape bag, include frame, carousel, sub-clamp device, go up bagging apparatus, open bagging apparatus, feeding device, sealing device, vertically give bagging apparatus, a serial communication port, the sub-clamp device includes left side machine holder, right side machine holder, two sets of outer sub-holder group, two sets of interior sub-holder group, flexible swing arm mechanism, left side machine holder is equipped with first meshing gear train, right side machine holder is equipped with second meshing gear train, left side machine holder and right side machine holder the two can be respectively around self and the articulated relative open and shut motion of department of frame, the beneficial effects of the utility model are that: the full-automatic M-shaped bag feeding and packaging machine is provided, so that M-shaped bags are completely opened, the situations of material waste, insufficient packaging amount, environmental pollution and the like are avoided, the packaging and filling are ensured to be in place, the packaging speed, the packaging quality and the production efficiency are improved, the whole volume of the packaging machine is reduced, and the occupied area is reduced.

Description

Full-automatic M-shaped bag feeding and packaging machine

Technical Field

The utility model relates to a equipment for packing technical field, concretely relates to bag packagine machine is given to full-automatic M shape bag.

Background

The bag-feeding type packaging machine is a packaging device which can automatically output packaging bags, open the bag mouths of the packaging bags, inject required materials such as food and the like and automatically seal the bag mouths. At present, manual packaging is gradually replaced by a bag-feeding type automatic packaging machine, packaging automation is realized for large-scale enterprises and small and medium-scale enterprises, an operator only needs to put hundreds of bags into a bag taking part of equipment at one time, and a mechanical claw of the equipment can automatically take the bags, print dates, open the bags, meter signals for a metering device, and perform blanking, sealing and output.

At present, the wrapping bag generally divide into trilateral envelope, four sides envelope, dysmorphism bag, M shape wrapping bag etc. wherein: the two longitudinal sides of the M-shaped packaging bag are of an inward concave type and are of an M-shaped structure, the bag opening is generally in a concave-convex groove buckling mode, and the conventional belt-feeding type packaging machine is mainly clamped and opened by a sucking disc or a sub-clamp. When the sucker is used, the packaging bag can fall off and cannot be opened due to the fact that air supply or vacuum pumping is not timely, the two sides of the packaging bag can be clamped by the common sub-clamp assembly, but the front and the back of the concave two sides of the packaging bag are difficult to clamp, so that the bag opening is not sufficiently opened, the situations of material waste, insufficient packaging amount, environmental pollution and the like are caused, and the packaging filling, the packaging speed and the quality are adversely affected.

The bag feeding device in the existing packaging machine generally comprises two actions, namely, a clamping piece is firstly brought to a feeding position, the clamping piece clamps the packaging bag, the clamping piece is then brought to a discharging position, the clamping piece loosens the packaging bag and then returns to the feeding position, but in the process, the clamping piece is easy to hook the packaging bag in a returning path, the completion of the packaging bag is influenced, and the problem of poor working stability exists in the next process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a full-automatic M shape bag gives bag packaging machine, makes M shape sack open completely, can not produce the circumstances such as the material is extravagant, the packing volume is insufficient, environmental pollution, ensures that the packing fills to target in place, improves packing speed and quality, has improved production efficiency, reduces the whole volume of packagine machine, reduces area.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a full-automatic M shape bag is given bag packagine machine, includes the frame, the frame middle part is equipped with mobile carousel, carousel periphery equipartition has a plurality of groups to follow the sub-clamp device that the carousel carries out synchronous steering motion, the frame is located the carousel periphery and is equipped with bagging apparatus in proper order, opens bagging apparatus, feeding device, sealing device, the frame is located one side that the bagging apparatus kept away from the carousel and is equipped with vertical bag device, its characterized in that for: the sub-clamping device comprises a left machine clamping seat, a right machine clamping seat, two groups of outer sub-clamping head groups with symmetrical structures and two groups of inner sub-clamping head groups with symmetrical structures, wherein the left machine clamping seat and the right machine clamping seat are oppositely arranged, the same ends of the left machine clamping seat and the right machine clamping seat are respectively hinged with a rotary table, a first meshing gear set is arranged at the side surface of the left machine clamping seat, which is positioned at the hinged end of the rotary table and faces the right machine clamping seat, a second meshing gear set meshed with the first meshing gear set is arranged at the hinged end of the rotary table, the left machine clamping seat and the right machine clamping seat can respectively move around the hinged position of the left machine clamping seat and the rotary table in a relative opening and closing mode through the first meshing gear set and the second meshing gear set, the two groups of outer sub-clamping head groups are respectively positioned at the end parts, which are far away from the hinged position of the rotary table, of the left machine clamping seat and the right machine clamping seat, the two groups of inner sub-clamping head groups are respectively arranged on the left machine clamping seat and the right machine clamping seat and are distributed between the outer sub-clamping head groups and the rotary table, the rotary disc is provided with a telescopic swing arm mechanism which can be respectively linked with the outer sub-chuck group and the inner sub-chuck group and drives the outer sub-chuck group and the inner sub-chuck group to do relative opening and closing movement.

By adopting the technical scheme, the sub-clamping device is improved, compared with a packing machine in the prior art, the packing machine adopts a sucker form, the left machine clamping seat and the right machine clamping seat can perform opening and closing movements similar to pliers under the linkage of two meshing gear sets, the two sides of the bag can be ensured to be completely accommodated in the clamping range of the left machine clamping seat and the right machine clamping seat, and interference with the side edges of the bag can be avoided, so that the outer sub-clamping head group and the inner sub-clamping head group can accurately and firmly clamp the front and rear edges of the concave two sides of the M-shaped bag, the inner sub-clamping head group is further controlled to reciprocate towards the outer sub-clamping head group through the telescopic swing arm mechanism, the opening and closing of the M-shaped bag are controlled, the M-shaped bag can be completely opened, the situations of material waste, insufficient packing quantity, environmental pollution and the like can be avoided, the packing filling is ensured to be in place, and the packing speed and the quality are improved; the whole machine is full-automatic equipment, and the bag feeding, the bag opening, the material feeding and the heat sealing are integrated, so that the production efficiency is improved; and further, set up the carousel as the carrier, accept multiunit sub-clamp device, wholly be streamlined packagine machine among the prior art, reduced the whole volume of packagine machine, reduce area.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the left machine clamping seat and the right machine clamping seat are respectively hinged with a linkage machine clamping body far away from the end part hinged with the rotary table, the inner sub-clamping head group and the outer sub-clamping head group are arranged on the linkage machine clamping body, and the linkage machine clamping body is linked with the swing guide mechanism of the machine clamp.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the machine clamp swinging and guiding and correcting mechanism comprises a first machine clamp swinging and guiding and correcting rod arranged on one side of the left machine clamp seat far away from the first meshing gear set, a second machine clamp swinging and guiding and correcting rod arranged on one side of the right machine clamp seat far away from the second meshing gear set, one end of the first machine clamp swing guide rod is hinged with the rotary table, the other end of the first machine clamp swing guide rod is hinged with the linkage machine clamp body, the closed figure formed by orderly connecting the hinge points at the two ends of the first machine clamp swinging guide positive rod and the hinge points at the two positions on the left machine clamp seat, which are respectively hinged with the turntable and the linkage machine clamp body, is a parallelogram, one end of the second machine clamp swing guide rod is hinged with the rotary table, the other end of the second machine clamp swing guide rod is hinged with the linkage machine clamp body, and the closed figure formed by sequentially connecting two hinged points on the hinged point at the two ends of the second machine clamp swinging guide positive rod and the hinged point at the right machine clamp seat, which are respectively hinged with the turntable and the linkage machine clamp body, is a parallelogram.

By adopting the technical scheme, the linkage machine clamp body mainly plays a role in bearing each part and realizing force transmission, the two groups of inner sub-clamp groups and the two groups of outer sub-clamp groups are respectively linked with the left machine clamp seat and the right machine clamp seat through the linkage machine clamp body, and the two groups of inner sub-clamp groups and the two groups of outer sub-clamp groups are favorably installed; furthermore, the linkage machine clamp body is linked with the left machine clamp seat and the right machine clamp seat in a hinged connection mode capable of rotating relatively, and is matched with the machine clamp swinging guide mechanism to ensure that the central axis of the linkage machine clamp body always keeps one direction in the movement process, namely the central axis is consistent with the connecting lines of the front side and the rear side of the concave type two sides of the M-shaped bag, so that the actual effective bag clamping distance of the outer machine clamp head group is consistent with the actual effective bag clamping distance of the inner machine clamp head group; when the actual effective bag clamping distance of the outer machine chuck group is inconsistent with the actual effective bag clamping distance of the inner machine chuck group, after the left machine chuck seat and the right machine chuck seat are screwed together, the side edge of the bag clamped by the outer machine chuck group is twisted, folded and the like, so that subsequent work such as bag opening, loading, bag sealing and the like is influenced, and by the technical scheme, the situation can be effectively improved, and the actual effective bag clamping distances of the outer machine chuck group and the inner machine chuck group are constantly ensured to be consistent; the machine clamp swing guide mechanism mainly comprises a first machine clamp swing guide rod (a second machine clamp swing guide rod), hinge points at two ends of the first machine clamp swing guide rod are sequentially connected with hinge points of an adjacent left machine clamp seat (a right machine clamp seat), a linkage machine clamp body and a machine clamp to form a parallelogram, any side of the linkage machine clamp body can only do parallel motion parallel to an opposite side according to motion rules of the parallelogram, so that the axis direction of the linkage machine clamp body is always kept unchanged in the process of rotating and opening and closing along with the two machine clamp seats, and the actual effective bag clamping distance between the outer machine clamp group and the inner machine clamp group is consistent.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the outer sub-chuck group comprises a movable chuck, an outer machine chuck, an outer cylinder and an outer cylinder piston rod, the outer cylinder is installed on the linkage machine chuck body in a sliding fit mode, the outer machine chuck is fixedly connected to the end portion of the outer cylinder relatively, the middle portion of the movable chuck is hinged to the outer machine chuck, the end portion of the movable chuck is hinged to the outer cylinder piston rod, the movable chuck is driven by the outer cylinder piston rod to do lever motion around the hinged portion of the middle portion, and the telescopic swing arm mechanism is linked with the outer machine chuck.

By adopting the technical scheme, the outer cylinder drives the movable chuck to make lever motion around the middle hinged part, so that clamping and loosening of the front sides of the concave two sides of the M-shaped bag are completed; and further can move back and forth towards the inner machine clamp head group under the driving of the telescopic swing arm mechanism, thereby completing the bag clamping and opening work.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the inner sub-chuck group comprises an inner machine chuck, an inner cylinder barrel and an inner cylinder piston rod, the inner cylinder barrel is arranged on a linkage machine chuck body in a sliding fit mode, the inner machine chuck is provided with an inner machine chuck positioning side plate and an inner machine chuck auxiliary clamp plate, a material clamping gap is arranged between the inner machine chuck positioning side plate and the inner machine chuck auxiliary side plate, the inner machine chuck positioning side plate is fixedly connected with the inner cylinder barrel relatively, the inner cylinder piston rod can make reciprocating linear motion towards the inner machine chuck auxiliary clamp plate through the inner cylinder barrel and the material clamping gap sequentially, and the telescopic swing arm mechanism is linked with the inner machine chuck.

By adopting the technical scheme, the material clamping gap is used for guiding and positioning the back edges of the concave two sides of the M-shaped bag; the piston rod of the inner cylinder is used for clamping and positioning the rear edges of the concave two sides of the M-shaped bag, and at the moment, the cylinder barrel of the inner cylinder is fixedly connected with the positioning side plate of the inner machine chuck in the inner machine chuck, so that the piston rod of the inner cylinder can extend out and is matched with the auxiliary clamping plate of the inner machine chuck to clamp the rear edges of the concave two sides of the M-shaped bag; the telescopic swing arm mechanism can drive the inner machine chuck to reciprocate towards the outer machine chuck, so that the opening and closing of the M-shaped bag are realized, and the M-shaped bag can be completely opened; and the outer machine chuck group and the inner machine chuck group perform relative opening and closing movements simultaneously, compared with the inner machine chuck group (outer machine chuck group) in the prior art which performs opening and closing movements towards the outer machine chuck group (inner machine chuck group) unilaterally, the single opening and closing period is shortened, thereby improving the production period.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the telescopic swing arm mechanism comprises a central connecting rod, the middle part of the central connecting rod is hinged to the linkage machine clamp body, a first transition connecting rod is linked to the end part of the central connecting rod, the end part, far away from the central connecting rod, of the first transition connecting rod is hinged to the inner machine chuck, a second transition connecting rod is linked to the other end of the central connecting rod, the end part, far away from the central connecting rod, of the second transition connecting rod is hinged to the outer machine chuck, the central connecting rod is located and coaxially hinged to the hinged end of the second transition connecting rod, a telescopic clamp connecting rod assembly is linked to the telescopic clamp connecting rod assembly, the end part of the telescopic clamp swing arm is hinged to the rotary table, and the frame is located on the periphery of the rotary table and provided with a telescopic driving assembly which can be linked with the telescopic clamp swing arm.

By adopting the technical scheme, two ends of the central connecting rod are respectively linked with the outer machine chuck and the inner machine chuck through two transition connecting rods, the middle part of the central connecting rod is hinged on the linkage machine clamp body, the outer cylinder is slidably assembled on the linkage machine clamp body, the inner cylinder is also slidably assembled on the linkage machine clamp body, when the telescopic clamp swing arm is driven, the telescopic clamp connecting rod assembly transmits force to the central connecting rod, the outer machine chuck group and the inner machine chuck group can perform relative opening and closing movement under the driving of the two transition connecting rods, the opening and closing of the M-shaped bag are realized, and the M-shaped bag can be completely opened.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the telescopic driving assembly comprises a telescopic clamp arc-shaped plate, a telescopic clamp cam piece, a telescopic clamp cam and a telescopic clamp cam, wherein the telescopic clamp arc-shaped plate, the telescopic clamp cam piece and the telescopic clamp cam are arranged on the periphery of the turntable and located on the side portion of the telescopic clamp swing arm, the telescopic clamp cam piece is arranged at one end of the telescopic clamp arc-shaped plate and is linked with the telescopic clamp cam, the telescopic clamp cam piece is arranged at the other end of the telescopic clamp arc-shaped plate, and the telescopic clamp cam piece is linked with the telescopic clamp cam.

By adopting the technical scheme, the telescopic driving assembly is used for controlling the movement of the telescopic clamp swing arm so as to control the clamping and loosening of the sub-clamp device; when the sub-clamp devices for clamping materials move to the position of the clamp extending cam piece along the effective rotating direction under the drive of the turntable, the clamp extending cam drives the clamp extending cam piece to move towards the ground direction, then the telescopic clamp swing arm is pushed to swing downwards to the position below the telescopic clamp arc-shaped plate, the inner sub-clamp group is driven to move towards the direction far away from the outer sub-clamp group in the process, and the bag is opened; in the secondary process, the telescopic clamp arc-shaped plate limits the telescopic clamp swing arm, so that the telescopic clamp swing arm is prevented from resetting, and the bag is ensured to be always kept in an open state; when the sub-clamp device for clamping materials continuously moves to the position of the telescopic cam piece along the effective rotating direction under the driving of the turntable, the telescopic clamp swing arm automatically lifts upwards to reset until the telescopic clamp swing arm is in abutting connection with the telescopic cam piece due to the fact that the telescopic clamp swing arm is separated from the limit of the telescopic clamp arc-shaped plate, then the telescopic clamp cam drives the telescopic cam piece to move away from the ground, the telescopic clamp swing arm slowly resets to the initial position, the inner sub-clamp head group and the outer sub-clamp head group are driven to move relatively, and the bag is closed, wherein the function of the telescopic clamp cam piece mainly converts rigid impact into flexible impact, mainly, the telescopic clamp swing arm directly resets to the original position after being separated from the telescopic clamp arc-shaped plate, and parts such as the inner sub-clamp head group and the outer sub-clamp head group are driven to generate rigid impact, so that the phenomenon can be prevented through the telescopic cam piece, and the telescopic clamp swing arm is enabled to reset slowly; each set of sub-clip devices complete the work through the extending and contracting clipping cam sheets in sequence according to the actions, wherein the bag is opened and closed for convenient charging and heat sealing.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the bag feeding device comprises a bag standing mechanism, a bag delivering mechanism capable of receiving bags conveyed by the bag standing mechanism and opening the bags, conveying the bags and conveying the bags, and linking the bags with a power mechanism, wherein the bag delivering mechanism comprises a first sucker, a second sucker and an opening and closing assembly which is respectively linked with the first sucker and the second sucker and can control the first sucker and the second sucker to open and close, the bag delivering mechanism further comprises a rotary moving assembly which is linked with the opening and closing assembly and can drive the opening and closing assembly to rotate, the rotary moving assembly is linked with a sliding assembly, and the sliding assembly can drive the rotary moving assembly and the opening and closing assembly to make reciprocating linear motion in the plane of the frame along the effective opening and closing axis direction of the opening and closing assembly.

By adopting the technical scheme, the bag feeding device is mainly completed by four steps of bag grabbing, bag erecting, bag opening and bag transferring, is divided into the bag erecting mechanism and the bag transferring mechanism and is driven by the power mechanism, compared with the prior art, the bag feeding device is not easy to interfere with each other, the phenomenon of hooking the packaging bag is avoided, the whole work is well-ordered, the full automation of the packaging bag is facilitated, and the production efficiency is improved; the bag opening and closing assembly slightly opens the bag in the bag transferring process, so that the subsequent M-shaped bag is conveniently and accurately clamped by the bag packaging machine to the front and rear edges of the concave two sides of the M-shaped bag; the rotary moving assembly is mainly used for lifting the two suckers after the bag delivery is completed, and the suckers are prevented from interfering with the bag in the process of returning to the original position.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the opening and closing assembly comprises an opening and closing linkage frame, the end portion of the opening and closing linkage frame is provided with a screw rod mechanism and a first servo motor linked with the screw rod mechanism, the screw rod mechanism is sequentially in threaded linkage with a first slide block linked with a first sucking disc and a second slide block linked with a second sucking disc along the axis direction of the opening and closing linkage frame, the first servo motor can drive the first slide block and the second slide block to move in an opening and closing mode relatively through the screw rod mechanism, the opening and closing linkage frame is located on two sides of the screw rod mechanism, guide rods are symmetrically distributed on two sides of the screw rod mechanism, two ends of each guide rod are in sliding fit with the first slide block and the second slide block respectively, and one end, far away from the screw rod mechanism, of the opening and closing linkage frame is linked with the rotary moving assembly.

By adopting the technical scheme, the opening and closing linkage frame is mainly used for bearing each part to realize force transmission; the first servo motor can drive the two sliding blocks to do relative opening and closing movement along the axis of the screw rod mechanism through the screw rod mechanism, so that the opening and closing between the first sucking disc and the second sucking disc can be controlled, and the bag opening work is finished, wherein the opening size of the bag can be adjusted according to the actual condition, namely the feeding amount of the first air cylinder; and two sucking discs make relative motion, compare single sucking disc and make relative motion towards another group's sucking disc, the motion time that opens and shuts shortens, and after reciprocating work many times, production cycle also can be followed and shortened, has improved production efficiency.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the rotary moving assembly comprises a bearing seat fixedly connected with the sliding assembly relatively, the end part of the opening and closing linkage frame far away from the installation screw rod mechanism is hinged to the bearing seat, the opening and closing linkage frame is fixedly connected with cylinders distributed between the bearing seat and the guide rod relatively, one end of the opening and closing linkage frame far away from the cylinder is linked with the sliding assembly, and the opening and closing linkage frame is driven by the cylinder to rotate around the bearing seat in a reciprocating mode.

By adopting the technical scheme, the end part of the opening-closing linkage frame is hinged on the bearing seat, the cylinder body is fixedly arranged on the opening-closing linkage frame, and the telescopic rod of the cylinder is linked with the sliding assembly, so that the opening-closing linkage frame rotates around the hinged part with the bearing seat when the cylinder works, and after the bag delivery is completed, the two suckers are lifted up to prevent the suckers from interfering with the bag in the process of returning to the original position.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the sliding assembly comprises a guide rail fixedly mounted on the rack and a sliding bottom plate in sliding linkage with the guide rail, the bearing block is fixedly mounted on the sliding bottom plate, the end part, far away from the opening and closing linkage frame, of the air cylinder is hinged to the sliding bottom plate, and the power mechanism is in linkage with the sliding bottom plate.

By adopting the technical scheme, the sliding bottom plate drives the opening and closing linkage frame to do reciprocating linear motion along the axis of the guide rail through the bearing seat, and the bag delivering work is completed.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the bag erecting mechanism comprises an upper bag rotating shaft, two ends of the upper bag rotating shaft are hinged to the rack and linked with a power mechanism, an upper bag rod is fixedly connected to the upper bag rotating shaft relatively, a rotary air claw is linked to the end portion, far away from the upper bag rotating shaft, of the upper bag rod, and the power mechanism drives the upper bag rod to rotate around the central axis of the upper bag rotating shaft in a reciprocating mode through the upper bag rotating shaft.

By adopting the technical scheme, the upper bag rotating shaft is driven by the power mechanism to rotate and drive the upper bag rod to rotate, the rotating gas claw clamps the bag, two processes of bag grabbing and bag erecting are completed, and the bag is delivered to the two suckers.

The above-mentioned full-automatic M-shaped bag-feeding and packaging machine may be further configured to: the vertical sack device of giving includes the sack storehouse curb plate that two sets of symmetries set up and arranges the sack layer board between two sets of sack storehouse curb plates in, sack storehouse curb plate top is equipped with the last bag sucking disc that can absorb sack in the sack layer board, the linkage of sack layer board has the lift horizontal pole, lift horizontal pole sliding connection has the sack storehouse guide post of fixed mounting in the frame, lift horizontal pole tip linkage second servo motor, second servo motor can drive the sack layer board through the lift horizontal pole and make reciprocal linear motion along sack storehouse guide post axis direction, the sack storehouse curb plate is equipped with the groove of stepping down corresponding to the lift horizontal pole.

Adopt above-mentioned technical scheme, the sack layer board can be according to actual conditions lifting bag under lifting horizontal pole, second servo motor's drive, is convenient for go up the bag sucking disc and absorbs the sack and deliver for the upright bag mechanism in last bag is put.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic view of the whole structure of the embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sub-clip device according to an embodiment of the present invention;

fig. 3 is a left side schematic view of a sub-clip device according to an embodiment of the present invention;

fig. 4 is a schematic top view of a sub-clip device according to an embodiment of the present invention;

fig. 5 is a schematic bottom view of a sub-clip device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a telescopic driving assembly according to an embodiment of the present invention;

fig. 7 is a schematic view illustrating an assembly state of the telescopic driving assembly and two sets of sub-clip devices respectively according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a vertical bag feeding device according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a bag feeding device according to an embodiment of the present invention;

fig. 10 is a schematic top view of a bag feeding device according to an embodiment of the present invention;

fig. 11 is a schematic right view of the bag feeding device according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, a full-automatic M-shaped bag packaging machine is given to bag, including frame 1, frame 1 middle part is equipped with mobile carousel 2, 2 periphery equipartitions of carousel have the sub-clip device 5 that the synchronous steering motion can be carried out to the carousel 2, frame 1 is located 2 peripheries of carousel and is equipped with in proper order along effective rotation direction and goes up bagging apparatus 4, opens bagging apparatus, feeding device, sealing device 11, frame 1 is located one side that bagging apparatus 4 kept away from carousel 2 and is equipped with vertical bag device 3 of giving, it includes bag sucking disc subassembly 6, lower bag sucking disc subassembly 7 of opening on including to open the bagging apparatus, feeding device includes and is located 2 peripheries of carousel and follows reinforced subassembly 8, barrel material subassembly 9, the bag subassembly 10 that effective rotation direction set gradually. Wherein, the upper bag opening sucker component 6, the lower bag opening sucker component 7, the charging component 8, the barrel material component 9 and the bag closing component 10 can be selectively selected, chosen, matched and combined according to actual conditions.

As shown in fig. 8, the vertical bag feeding device 3 includes two sets of bag cabin side plates 31 symmetrically arranged and a bag supporting plate 32 arranged between the two sets of bag cabin side plates 31, a bag feeding suction cup 33 capable of sucking a bag in the bag supporting plate 32 is arranged above the bag cabin side plates 31, the bag supporting plate 32 is linked with a lifting cross rod 34, the lifting cross rod 34 is slidably connected with a bag cabin guide upright post 35 fixedly installed on the frame 1, the end of the lifting cross rod 34 is linked with a second servo motor 36, the second servo motor 36 can drive the bag supporting plate 32 to make reciprocating linear motion along the axis direction of the bag cabin guide upright post 35 through the lifting cross rod 34, and the bag cabin side plates 31 are provided with a abdicating groove 311 corresponding to the lifting cross rod 34.

The working principle of the vertical bag feeding device 3 is as follows: the M-shaped bag is placed on the bag supporting plate 32, the bag is sucked up by the bag feeding suction cups 33 and conveyed to the bag standing mechanism, during the period, the distance between the bag supporting plate 32 and the bag feeding suction cups 33 is longer and longer due to continuous transportation of the bag, meanwhile, the bag supporting plate 32 is controlled by the second servo motor 36 to be continuously lifted towards the bag feeding suction cups 33 through the lifting cross rod 34, and the bag is ensured to be continuously clamped.

The bag feeding device 4 shown in fig. 9 to 11 includes a bag erecting mechanism 41, a bag delivering mechanism capable of receiving the bag transported by the bag erecting mechanism 41, opening and transporting the bag, and linking with the power mechanism, wherein the bag delivering mechanism includes a first suction cup 42, a second suction cup 43, and an opening and closing component respectively linking with the first suction cup 42 and the second suction cup 43 and controlling the first suction cup 42 and the second suction cup 43 to open and close, the bag delivering mechanism further includes a rotating and moving component linking with the opening and closing component and driving the opening and closing component to rotate, the rotating and moving component is linked with a sliding component, and the sliding component can drive the rotating and opening components to reciprocate linearly along the plane direction of the frame 1.

The opening and closing assembly comprises an opening and closing linkage frame 44, a screw rod mechanism 494 and a first servo motor 48 linked with the screw rod mechanism 494 are installed at the end part of the opening and closing linkage frame 44, the screw rod mechanism 494 is sequentially in threaded linkage with a first slider 46 linked with a first suction disc 42 and a second slider 47 linked with a second suction disc 43 along the axis direction of the screw rod mechanism 494, the first servo motor 48 can drive the first slider 46 and the second slider 47 to perform relative opening and closing movement through the screw rod mechanism 494, guide rods 45 are symmetrically distributed on two sides of the opening and closing linkage frame 44 located on the screw rod mechanism 494, two ends of each guide rod 45 are respectively in sliding fit with the first slider 46 and the second slider 47, and one end of the opening and closing linkage frame 44, far away from the installation screw rod mechanism 494, is linked with the rotary moving assembly.

The rotary moving assembly comprises a bearing seat 49, one end of the bearing seat 49 is fixedly connected with the sliding assembly, the end part, away from the guide rod 45, of the opening and closing linkage frame 44 is hinged and linked with the bearing seat 49, an air cylinder 491 is fixedly connected between the bearing seat 49 and the guide rod 45 and located on the opening and closing linkage frame 44, and one end, away from the opening and closing linkage frame 44, of the air cylinder 491 is linked with the sliding assembly.

The sliding assembly comprises a guide rail 492 fixedly installed on the rack 1 and a sliding bottom plate 493 in sliding linkage with the guide rail 492, the bearing seat 49 is fixedly installed on the sliding bottom plate 493, the end part, far away from the opening and closing linkage frame 44, of the air cylinder 491 is hinged to the sliding bottom plate 493, and the power mechanism is in linkage with the sliding bottom plate 493.

The bag erecting mechanism 41 comprises an upper bag rotating shaft 411, two ends of the upper bag rotating shaft 411 are hinged to the rack 1 and are linked with a power mechanism, an upper bag rod 412 is fixedly connected to the upper bag rotating shaft 411 relatively, a rotary air claw 413 is linked to the end portion, far away from the upper bag rotating shaft 411, of the upper bag rod 412, and the power mechanism drives the upper bag rod 412 to rotate around the central axis of the upper bag rotating shaft 411 in a reciprocating mode through the upper bag rotating shaft 411.

The bag feeding device 4 has the working principle that: the rotary air claw 413 clamps the M-shaped bag from the upper bag sucker 33 and transports the bag towards the bag delivering mechanism, meanwhile, the bag is switched from the inclined state, the horizontal state and the like to the vertical state, the bag delivering mechanism clamps the bag through the two suckers, further opens the bag slightly through the opening and closing assembly, then delivers the bag to the next process of the M-shaped bag feeding machine through the sliding assembly, and then the rotating assembly drives the opening and closing linkage frame 44 to rotate and lift around the bearing seat 49, so that the opening and closing assembly successfully returns to the original position without interfering the bag, and the previous work is repeated.

As shown in fig. 2 to 5, the sub-clip device 5 includes a left machine clip seat 51, a right machine clip seat 52, two sets of outer sub-clip groups 53 with symmetrical structures, and two sets of inner sub-clip groups 54 with symmetrical structures, the left machine clip seat 51 and the right machine clip seat 52 are disposed oppositely, and the adjacent ends of the two sets are hinged and linked with the rotary table 2 respectively, the left machine clip seat 51 is disposed at the hinged end with the rotary table 2 and is provided with a first meshing gear set 511 at the side facing the right machine clip seat 52, the right machine clip seat 52 is disposed at the hinged end with the rotary table 2 and is provided with a second meshing gear set 521 meshed with the first meshing gear set 511 at the side facing the left machine clip seat 51, the left machine clip seat 51 and the right machine clip seat 52 can make relative opening and closing movements around the hinged position with the frame 1 through the first meshing gear set 511 and the second meshing gear set 521, the two sets of outer sub-clip groups 53 are disposed at the ends of the left machine clip seat 51 and the right machine clip seat 52 far from the hinged position with the rotary table 2 respectively, two groups of inner sub-chuck groups 54 are respectively arranged on the left machine chuck seat 51 and the right machine chuck seat 52 and between the outer sub-chuck group 53 and the turntable 2, and the inner sub-chuck groups 54 are linked with a telescopic swing arm mechanism 55 which can simultaneously drive the inner sub-chuck groups 54 and the outer sub-chuck group 53 to perform relative opening and closing movements.

The end parts, far away from the end parts hinged with the turntable 2, of the left machine clamp seat 51 and the right machine clamp seat 52 are detachably connected with a linkage machine clamp body 57, the inner sub clamp group 54 and the outer sub clamp group 53 are installed on the linkage machine clamp body 57, and the linkage machine clamp body 57 is linked with an organic clamp swinging guide mechanism.

The machine clamp swing guide centering mechanism comprises a first machine clamp swing guide centering rod 58 and a second machine clamp swing guide centering rod 59, wherein the first machine clamp swing guide centering rod 58 is arranged on one side, far away from the first meshing gear set 511, of the left machine clamp seat 51, the second machine clamp swing guide centering rod 59 is arranged on one side, far away from the second meshing gear set 521, of the right machine clamp seat 52, one end of the first machine clamp swing guide centering rod 58 is hinged with the rotary table 2, the other end of the first machine clamp swing guide centering rod is hinged with the linkage machine clamp body 57, a closed figure formed by sequentially and orderly connecting two hinge points, hinged with the rotary table 2 and the linkage machine clamp body 57, on the hinge point at two ends of the first machine clamp swing guide centering rod 58 and the hinge point at two positions, hinged with the rotary table 2 and the linkage machine clamp body 57, on the left machine clamp seat 51 respectively is a parallelogram (shown by a dotted line frame in figure 5), one end of the second machine clamp swing guide centering rod 59 is hinged with the rotary table 2, the other end of the linkage machine clamp guide centering rod 57, and the hinge point at two positions, hinged with the right machine clamp seat 52, hinged with the rotary table 2 and the linkage machine clamp body 57 respectively, are sequentially and the hinge point, and the closed figure formed by sequentially and the hinge point of the linkage machine clamp body (shown in FIG. 5 by the two dashed boxes).

The outer sub-chuck group 53 comprises a movable chuck 531, an outer chuck 532, an outer cylinder 533 and an outer cylinder piston rod 534, the outer cylinder 533 is slidably fitted on the linkage machine chuck body 57, the outer chuck 532 is relatively and fixedly mounted at the end of the outer cylinder 533, the middle of the movable chuck 531 is hinged to the outer chuck 532, the end of the movable chuck 531 is hinged to the outer cylinder piston rod 534, the movable chuck 531 makes lever motion around the hinged position at the middle under the driving of the outer cylinder piston rod 534, and the telescopic swing arm mechanism 55 is linked with the outer chuck 532.

The inner sub-chuck group 54 comprises an inner machine chuck 541, an inner cylinder barrel 542 and an inner cylinder piston rod 543, the inner cylinder barrel 542 is slidably fitted on the linkage machine chuck body 57, the inner machine chuck 541 is provided with an inner machine chuck positioning side plate 5411 and an inner machine chuck auxiliary clamp plate 5412, a material clamping gap 5413 is arranged between the inner machine chuck positioning side plate 5411 and the inner machine chuck 541 auxiliary side plate, the inner machine chuck positioning side plate 5411 is relatively fixedly connected with the inner cylinder barrel 542, the inner cylinder piston rod 543 can make reciprocating linear motion towards the inner machine chuck auxiliary clamp plate 5412 through the inner cylinder barrel 542 and the material clamping gap 5413 in sequence, and the telescopic swing arm mechanism 55 is linked with the inner machine chuck 541.

The telescopic swing arm mechanism 55 comprises a central connecting rod 551 hinged to the linkage machine clamp body 57 at the middle part, a first transition connecting rod 552 is linked at the end part of the central connecting rod 551, the end part of the first transition connecting rod 552 far away from the central connecting rod 551 is hinged to the inner machine chuck 541, a second transition connecting rod 553 is linked at the other end of the central connecting rod 551, the end part of the second transition connecting rod 553 far away from the central connecting rod 551 is hinged to the outer machine chuck 532, a telescopic clamp connecting rod 554 is coaxially hinged to the hinged part of the central connecting rod 551, a telescopic clamp swing arm 555 is hinged to the end part of the telescopic clamp connecting rod 554 far away from the central connecting rod 551, the other end of the telescopic clamp swing arm 555 is hinged to the frame 1, and a telescopic driving component 56 which can be linked with the telescopic clamp swing arm 555 is arranged on the periphery of the turntable 2 of the frame 1.

The telescopic driving assembly 56 shown in fig. 6 to 7 comprises a telescopic clamp arc plate 561 arranged on the periphery of the rotary disk 2 and positioned at the side of a telescopic clamp swing arm 554, a telescopic clamp cam piece 562, a telescopic clamp cam piece 563, a telescopic clamp cam 564 and a telescopic clamp cam 565, wherein the telescopic clamp cam piece 562 is arranged at one end of the telescopic clamp arc plate 561 and is linked with the telescopic clamp cam 564, the telescopic clamp cam piece 563 is arranged at the other end of the telescopic clamp arc plate 561, and the telescopic clamp cam piece 563 is linked with the telescopic clamp cam 565.

The sub-clip device 5 works according to the following principle: under the drive of a power source (pneumatic or electric can be selected according to actual conditions), the left machine clamp seat 51 and the right machine clamp seat 52 respectively make opening and closing movement similar to pliers around the hinged position of the machine frame 1, the concave two sides of the M-shaped bag are accommodated between the left machine clamp seat 51 and the right machine clamp seat 52, the outer sub clamp head group 53 and the inner sub clamp head group 54 respectively clamp the front and back sides of the concave two sides of the M-shaped bag, the outer sub clamp head group 53 and the inner sub clamp head group 54 make relative opening and closing movement under the drive of the telescopic swing arm mechanism 55, the opening and closing of the M-shaped bag are controlled, wherein due to the action of the first machine clamp swing guide positive guide rod 58 and the second machine clamp swing guide rod 59, and the hinged points of the two ends of the left machine clamp seat 51 (the right machine clamp seat 52) and the hinged points of the linkage machine clamp body 57 and the turntable 2 are sequentially connected to form a parallelogram, so that the linkage machine clamp body 57 forms a parallelogram in the process of rotating opening and closing along with the two machine clamp seats, the axial direction of the clamp is always kept unchanged, so that the actual effective bag clamping distances of the outer machine clamp group 53 and the inner machine clamp group 54 are consistent; by adopting the scheme, the front and the rear edges of the concave type two sides of the M-shaped bag can be accurately clamped, the interference between the left machine clamp seat 51 and the bag and the interference between the right machine clamp seat 52 and the bag are avoided, the telescopic swing arm mechanism 55 is beneficial to completely opening the M-shaped bag, the situations of material waste, insufficient packaging amount, environmental pollution and the like can not be generated, the packaging filling is ensured to be in place, and the packaging speed and the packaging quality are improved.

The working principle of the whole machine is as follows: the vertical bag feeding device 3 firstly feeds bags, then the bag feeding device 4 lifts the bags which are horizontally and obliquely placed at a small angle to vertically suck and feed the bags, then the sub-clamp device 5 clamps and takes the bags, and the bag feeding device finishes the bag feeding and packaging of the M-shaped bags through an upper bag opening sucker assembly 6, a lower bag opening sucker assembly 7, a stretching and clamping cam sheet 562 in a telescopic clamp assembly, a feeding assembly 8, a poking assembly, a shrinking and clamping cam sheet 563 in the telescopic clamp assembly, a bag closing assembly 10 and a heat sealing device 11 in sequence under the driving of a turntable. When a group of sub-clip devices 5 for clamping materials are driven by a rotary table to move to the position of the extending and clamping cam piece 562 along the effective rotating direction, the extending and clamping cam 564 drives the extending and clamping cam piece 562 to move towards the ground direction, the telescopic clip swing arm 555 drives the inner sub-clip group 54 to move towards the direction away from the outer sub-clip group 53 under the pushing of the extending and clamping cam piece 562, the bag is opened, when the group of sub-clip devices 5 for clamping materials are continuously driven by the rotary table to move to the position of the contracting and clamping cam piece 563 along the effective rotating direction, the contracting and clamping cam 565 drives the contracting and clamping cam piece 563 to move away from the ground direction, the telescopic clip swing arm 555 drives the inner sub-clip group 54 to move towards the outer sub-clip group 53 under the pushing of the contracting and clamping cam piece 563, the bag is closed, and each group of sub-clip devices 5 completes the work sequentially through the extending and clamping cam pieces 562 and the contracting and clamping cam piece 563 according to the actions.

Claims (13)

1. The utility model provides a full-automatic M shape bag is given bag packagine machine, includes the frame, but the frame middle part is equipped with the carousel of rotation, carousel periphery equipartition has a plurality of groups to follow the sub-clamp device that the carousel carries out the synchronous steering motion, the frame is located the carousel periphery and is equipped with bagging apparatus, division bagging apparatus, feeding device, sealing device in proper order, the frame is located one side that the carousel was kept away from to the bagging apparatus and is equipped with vertical bag device, its characterized in that for: the sub-clamping device comprises a left machine clamping seat, a right machine clamping seat, two groups of outer sub-clamping head groups with symmetrical structures and two groups of inner sub-clamping head groups with symmetrical structures, wherein the left machine clamping seat and the right machine clamping seat are oppositely arranged, the same ends of the left machine clamping seat and the right machine clamping seat are respectively hinged with a rotary table, a first meshing gear set is arranged at the side surface of the left machine clamping seat, which is positioned at the hinged end of the rotary table and faces the right machine clamping seat, a second meshing gear set meshed with the first meshing gear set is arranged at the hinged end of the rotary table, the left machine clamping seat and the right machine clamping seat can respectively move around the hinged position of the left machine clamping seat and the rotary table in a relative opening and closing mode through the first meshing gear set and the second meshing gear set, the two groups of outer sub-clamping head groups are respectively positioned at the end parts, which are far away from the hinged position of the rotary table, of the left machine clamping seat and the right machine clamping seat, the two groups of inner sub-clamping head groups are respectively arranged on the left machine clamping seat and the right machine clamping seat and are distributed between the outer sub-clamping head groups and the rotary table, the rotary disc is provided with a telescopic swing arm mechanism which can be respectively linked with the outer sub-chuck group and the inner sub-chuck group and drives the outer sub-chuck group and the inner sub-chuck group to do relative opening and closing movement.

2. The full-automatic M-shaped bag feeding and packaging machine according to claim 1, wherein: the left machine clamping seat and the right machine clamping seat are respectively hinged with a linkage machine clamping body far away from the end part hinged with the rotary table, the inner sub-clamping head group and the outer sub-clamping head group are arranged on the linkage machine clamping body, and the linkage machine clamping body is linked with the swing guide mechanism of the machine clamp.

3. The full-automatic M-shaped bag feeding and packaging machine according to claim 2, wherein: the machine clamp swinging and guiding and correcting mechanism comprises a first machine clamp swinging and guiding and correcting rod arranged on one side of the left machine clamp seat far away from the first meshing gear set, a second machine clamp swinging and guiding and correcting rod arranged on one side of the right machine clamp seat far away from the second meshing gear set, one end of the first machine clamp swing guide rod is hinged with the rotary table, the other end of the first machine clamp swing guide rod is hinged with the linkage machine clamp body, the closed figure formed by orderly connecting the hinge points at the two ends of the first machine clamp swinging guide positive rod and the hinge points at the two positions on the left machine clamp seat, which are respectively hinged with the turntable and the linkage machine clamp body, is a parallelogram, one end of the second machine clamp swing guide rod is hinged with the rotary table, the other end of the second machine clamp swing guide rod is hinged with the linkage machine clamp body, and the closed figure formed by sequentially connecting two hinged points on the hinged point at the two ends of the second machine clamp swinging guide positive rod and the hinged point at the right machine clamp seat, which are respectively hinged with the turntable and the linkage machine clamp body, is a parallelogram.

4. The full-automatic M-shaped bag feeding and packaging machine according to claim 2, wherein: the outer sub-chuck group comprises a movable chuck, an outer machine chuck, an outer cylinder and an outer cylinder piston rod, the outer cylinder is installed on the linkage machine chuck body in a sliding fit mode, the outer machine chuck is fixedly connected to the end portion of the outer cylinder relatively, the middle portion of the movable chuck is hinged to the outer machine chuck, the end portion of the movable chuck is hinged to the outer cylinder piston rod, the movable chuck is driven by the outer cylinder piston rod to do lever motion around the hinged portion of the middle portion, and the telescopic swing arm mechanism is linked with the outer machine chuck.

5. The full-automatic M-shaped bag feeding and packaging machine according to claim 2, wherein: the inner sub-chuck group comprises an inner machine chuck, an inner cylinder barrel and an inner cylinder piston rod, the inner cylinder barrel is arranged on a linkage machine chuck body in a sliding fit mode, the inner machine chuck is provided with an inner machine chuck positioning side plate and an inner machine chuck auxiliary clamp plate, a material clamping gap is arranged between the inner machine chuck positioning side plate and the inner machine chuck auxiliary side plate, the inner machine chuck positioning side plate is fixedly connected with the inner cylinder barrel relatively, the inner cylinder piston rod can make reciprocating linear motion towards the inner machine chuck auxiliary clamp plate through the inner cylinder barrel and the material clamping gap sequentially, and the telescopic swing arm mechanism is linked with the inner machine chuck.

6. The full-automatic M-shaped bag feeding and packaging machine according to claim 4 or 5, wherein: the telescopic swing arm mechanism comprises a central connecting rod, the middle part of the central connecting rod is hinged to the linkage machine clamp body, a first transition connecting rod is linked to the end part of the central connecting rod, the end part, far away from the central connecting rod, of the first transition connecting rod is hinged to the inner machine chuck, a second transition connecting rod is linked to the other end of the central connecting rod, the end part, far away from the central connecting rod, of the second transition connecting rod is hinged to the outer machine chuck, the central connecting rod is located and coaxially hinged to the hinged end of the second transition connecting rod, a telescopic clamp connecting rod assembly is linked to the telescopic clamp connecting rod assembly, the end part of the telescopic clamp swing arm is hinged to the rotary table, and the frame is located on the periphery of the rotary table and provided with a telescopic driving assembly which can be linked with the telescopic clamp swing arm.

7. The full-automatic M-shaped bag feeding and packaging machine according to claim 6, wherein: the telescopic driving assembly comprises a telescopic clamp arc-shaped plate, a telescopic clamp cam piece, a telescopic clamp cam and a telescopic clamp cam, wherein the telescopic clamp arc-shaped plate, the telescopic clamp cam piece and the telescopic clamp cam are arranged on the periphery of the turntable and located on the side portion of the telescopic clamp swing arm, the telescopic clamp cam piece is arranged at one end of the telescopic clamp arc-shaped plate and is linked with the telescopic clamp cam, the telescopic clamp cam piece is arranged at the other end of the telescopic clamp arc-shaped plate, and the telescopic clamp cam piece is linked with the telescopic clamp cam.

8. The full-automatic M-shaped bag feeding and packaging machine according to claim 1, wherein: the bag feeding device comprises a bag standing mechanism, a bag delivering mechanism capable of receiving bags conveyed by the bag standing mechanism and opening the bags, conveying the bags and conveying the bags, and linking the bags with a power mechanism, wherein the bag delivering mechanism comprises a first sucker, a second sucker and an opening and closing assembly which is respectively linked with the first sucker and the second sucker and can control the first sucker and the second sucker to open and close, the bag delivering mechanism further comprises a rotary moving assembly which is linked with the opening and closing assembly and can drive the opening and closing assembly to rotate, the rotary moving assembly is linked with a sliding assembly, and the sliding assembly can drive the rotary moving assembly and the opening and closing assembly to make reciprocating linear motion in the plane of the frame along the effective opening and closing axis direction of the opening and closing assembly.

9. The fully automatic M-shaped bag-feeding and packaging machine according to claim 8, wherein: the opening and closing assembly comprises an opening and closing linkage frame, the end portion of the opening and closing linkage frame is provided with a screw rod mechanism and a first servo motor linked with the screw rod mechanism, the screw rod mechanism is sequentially in threaded linkage with a first slide block linked with a first sucking disc and a second slide block linked with a second sucking disc along the axis direction of the opening and closing linkage frame, the first servo motor can drive the first slide block and the second slide block to move in an opening and closing mode relatively through the screw rod mechanism, the opening and closing linkage frame is located on two sides of the screw rod mechanism, guide rods are symmetrically distributed on two sides of the screw rod mechanism, two ends of each guide rod are in sliding fit with the first slide block and the second slide block respectively, and one end, far away from the screw rod mechanism, of the opening and closing linkage frame is linked with the rotary moving assembly.

10. The fully automatic M-shaped bag-feeding and packaging machine of claim 9, wherein: the rotary moving assembly comprises a bearing seat fixedly connected with the sliding assembly relatively, the end part of the opening and closing linkage frame far away from the installation screw rod mechanism is hinged to the bearing seat, the opening and closing linkage frame is fixedly connected with cylinders distributed between the bearing seat and the guide rod relatively, one end of the opening and closing linkage frame far away from the cylinder is linked with the sliding assembly, and the opening and closing linkage frame is driven by the cylinder to rotate around the bearing seat in a reciprocating mode.

11. The fully automatic M-shaped bag-feeding and packaging machine of claim 10, wherein: the sliding assembly comprises a guide rail fixedly mounted on the rack and a sliding bottom plate in sliding linkage with the guide rail, the bearing block is fixedly mounted on the sliding bottom plate, the end part, far away from the opening and closing linkage frame, of the air cylinder is hinged to the sliding bottom plate, and the power mechanism is in linkage with the sliding bottom plate.

12. The fully automatic M-shaped bag-feeding and packaging machine according to claim 8, wherein: the bag erecting mechanism comprises an upper bag rotating shaft, two ends of the upper bag rotating shaft are hinged to the rack and linked with a power mechanism, an upper bag rod is fixedly connected to the upper bag rotating shaft relatively, a rotary air claw is linked to the end portion, far away from the upper bag rotating shaft, of the upper bag rod, and the power mechanism drives the upper bag rod to rotate around the central axis of the upper bag rotating shaft in a reciprocating mode through the upper bag rotating shaft.

13. The full-automatic M-shaped bag feeding and packaging machine according to claim 1, wherein: the vertical sack device of giving includes the sack storehouse curb plate that two sets of symmetries set up and arranges the sack layer board between two sets of sack storehouse curb plates in, sack storehouse curb plate top is equipped with the last bag sucking disc that can absorb sack in the sack layer board, the linkage of sack layer board has the lift horizontal pole, lift horizontal pole sliding connection has the sack storehouse guide post of fixed mounting in the frame, lift horizontal pole tip linkage second servo motor, second servo motor can drive the sack layer board through the lift horizontal pole and make reciprocal linear motion along sack storehouse guide post axis direction, the sack storehouse curb plate is equipped with the groove of stepping down corresponding to the lift horizontal pole.

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