CN115072063A - Film laminating machine for packaging boxes - Google Patents

Abstract

The invention provides a packaging box film laminating machine which comprises a packaging box conveying mechanism, a packaging film sealing and cutting mechanism, a packaging film drawing mechanism, a packaging film opening mechanism, a packaging box bag feeding mechanism and a packaging film edge and corner cutting mechanism which are sequentially arranged, and the packaging box film laminating machine is sequentially used for conveying a packaging box, feeding and conveying the packaging film, sealing and cutting the side part of the packaging film, drawing the packaging film out to prepare for feeding, tearing the opening of the packaging film, pushing the packaging box into the opening of the packaging box, cutting and sealing the edge of the leftover materials of the packaging film. The four groups of packaging film corner cutting mechanisms are arranged, so that the peripheral corner excess materials of the packaging bag outside the packaging box can be cut and sealed, and the problems that the peripheral excess materials are too much, manual cutting is complicated, the packaging appearance is irregular and the quality is poor when the existing thermoplastic packaging film is used for packaging products are solved.

Description

Film laminating machine for packaging boxes

Technical Field

The invention relates to a film laminating machine for packaging boxes.

Background

The existing packaging box generally protects the packaging box and products inside the packaging box through a film covering. Traditional packing carton tectorial membrane adopts the wrapping bag that the size just is fit for, when the packing carton goes into the bag, receive through the folding receipts of corner clout, realize that the wrapping bag hugs closely packing carton and binding off, although this packaging method is exquisite, this packing tectorial membrane mode needs equipment can realize complicated action, and equipment cost is high. Also adopt the thermoplastic film packing on the market at present, after the thermoplastic film covers the packing carton, through toasting or hot-blast processing, the thermoplastic film can shrink and hug closely the packing carton, nevertheless the corner clout of this packaging mode often contracts into a group, the processing mode quality is lower, influence pleasing to the eye and the sale of commodity, it is therefore visible, current thermoplastic film equipment for packing needs further improvement, improve its processing quality to the corner, the complicated action that adopts when should avoid traditional packaging bag equipment for packing to fold to receive the wrapping bag corner clout simultaneously.

Disclosure of Invention

The invention aims to solve the technical problems and provides a film laminating machine for a packaging box, which can be used for processing leftover materials of packaging bags of the packaging box, improving the packaging quality and reducing the labor cost.

The utility model provides a packing carton laminating machine, package film conveying mechanism that includes packing carton conveying mechanism and set gradually, the cutting mechanism is sealed to the package film, the package film draws membrane mechanism, package film opening mechanism, the packing carton goes into bag mechanism, package film edge cutting mechanism, be used for carrying the packing carton in proper order, the material loading of package film and transport, the sealing of package film lateral part with cut out, pull out the package film and prepare for feeding, tear the package film opening, push the opening of packing carton, cut out and the banding to the excess material of package film corner. The packaging box bag feeding mechanism, the packaging film sealing and cutting mechanism and the packaging film opening mechanism are close to the packaging box conveying mechanism, so that the packaging box can be smoothly pushed into the packaging film and packaged.

The packing box conveying mechanism comprises a conveying belt and is used for conveying packing boxes.

The packaging film corner cutting mechanisms are four groups and are positioned at four same-level point positions to form a square corner processing station in a surrounding mode. The packaging film corner cutting mechanism comprises a mounting seat, a baffle driving piece, a baffle, a pressing driving piece, a pressing plate, a cutting driving piece and a cutting knife.

The baffle driving piece is installed on the mount pad and drives the baffle is being close to the conveyer belt position, along conveyer belt direction of delivery reciprocating motion to can contact the corner clout of wrapping bag.

The pressing driving piece is installed on the mounting seat and drives the pressing plate to abut against or keep away from the baffle plate, so that the corner excess materials of the packaging bag can be clamped together with the baffle plate.

The cutting driving piece is installed on the mounting seat and drives the cutting knife to abut against or be far away from the baffle plate, and meanwhile, the cutting knife is a heat sealing knife connected with a power supply, so that leftover materials of clamped packaging bags can be cut and thermally sealed.

The four groups of packaging film corner cutting mechanisms are arranged, so that the peripheral corner excess materials of the packaging bag outside the packaging box can be cut and sealed, and the problems that the peripheral excess materials are too much, manual cutting is complicated, the packaging appearance is irregular and the quality is poor when the existing thermoplastic packaging film is used for packaging products are solved.

Preferably, in order to improve the flexibility of conveying the pressing driving member, the pressing driving member includes a moving seat, a first pressing cylinder and a second pressing cylinder. The movable seat is installed on the installation seat through a rail perpendicular to the conveying direction of the conveying belt and is connected and driven through the first pressing air cylinder, so that the whole pressing plate can be driven to move forwards and backwards towards the baffle. According to the pressing plate through parallel conveyer belt direction of delivery's track mount pad remove on the seat, and pass through the cylinder connection drives is pressed to the second to can drive and press the pressing plate along the parallel the orientation adjustment position of baffle presses the wrapping bag leftover bits better.

Preferably, in order to improve the adjustment flexibility of the packaging film corner cutting mechanism, the packaging film corner cutting mechanism further comprises an adjustment driving member. The adjusting driving member comprises a longitudinal adjusting plate, a longitudinal adjusting driving member and a transverse adjusting driving member. The longitudinal adjusting driving part is installed on the rack and connected with and drives the longitudinal adjusting plate to be close to or far away from the conveying belt, so that the distance between the packaging film corner cutting mechanism and the conveying belt is adjusted. The transverse adjusting driving piece is installed on the longitudinal adjusting plate and connected with and drives the installation seat to reciprocate along the conveying direction of the conveying belt, so that the distance between the packaging film corner cutting mechanism and the packaging box is adjusted.

Preferably, the packing box conveying mechanism comprises a width adjusting base, a width adjusting driving piece and a baffle. One side of conveyer belt is equipped with the lateral part feeding station of perpendicular direction of transportation, promptly packing carton conveying mechanism adopts L shape arrangement mode, avoids the big problem of equipment area that a style of calligraphy distributing type brought. The width adjusting base is slidably mounted on the rack and positioned on the other side of the conveying belt; the width adjustment driving part is connected with and drives the width adjustment base to be far away from or close to the conveying belt, and the baffle is installed on and extends to the conveying belt and is opposite to the lateral part feeding station. The two longitudinal adjusting plates are symmetrically arranged on two sides of the conveying belt, and one of the two longitudinal adjusting plates is arranged on the width adjusting base. The longitudinal adjustment driving part and the transverse adjustment driving part both adopt a driving structure that a motor drives a screw nut. The two packaging film corner cutting mechanisms positioned on the same side of the conveying belt share the same longitudinal adjusting plate and the same longitudinal adjusting driving piece, and the mechanism is further simplified.

Packaging film conveying mechanism, packaging film sealing and cutting mechanism, packaging film pulling mechanism, packaging film opening mechanism, packaging box bag feeding mechanism and packaging film edge and corner cutting mechanism

Preferably, the packaging film conveying mechanism is arranged at the bottom of the rack and located below the packaging film sealing and cutting mechanism, so that the whole occupied space of the equipment is reduced, and the packaging film conveying mechanism comprises a pair of supporting rotating shafts, a leaning rotating shaft, a punching rotating shaft, a roller shaft and a conveying shaft. Two the same high and interval setting of bearing pivot to drive the rotation in step through same motor for put into and the bearing lives the packaging film and rolls up, can drive the packaging film simultaneously and roll up the rotation. Leaning on pivot mounting height and being higher than the bearing pivot, and being located the bearing pivot is close to one side that the packaging film pulled out, prevents that the packaging film from rolling out two from one side of being pulled out the bearing pivot. The utility model discloses a packaging film, including the pivot of punching and roller shaft, the pivot of punching and roller shaft are close to the installation, just be equipped with a plurality of interval distribution's ring channel in the pivot of punching, be equipped with on the roller shaft and correspond the gyro wheel of ring channel, the peripheral distribution of gyro wheel has the needle that stretches into the ring channel follows the packaging film that passes through between pivot of punching and the roller shaft can be perforated, prevents that the bubble from appearing in the later stage packaging film. The conveying shaft is provided with at least one layer and at least one layer, and the conveying shaft is arranged along the output path of the packaging film.

Preferably, the packaging film sealing and cutting mechanism comprises a cutting base, a pressing fixed seat, a pressing movable seat, a pressing cylinder, a pair of pressing plates and a sealing and cutting knife. The pressing fixing seat is installed on the rack and is located at the top of the cutting base. The pressing movable seat is movably arranged below the pressing fixed seat through a guide rod and a guide hole. The pressing cylinder is installed on the pressing fixed seat and connected with the pressing movable seat to drive the pressing movable seat to reciprocate up and down. The bottoms of the two pressing plates are parallel and point to the cutting base, the tops of the two pressing plates are connected through a connecting plate, extend upwards through a guide rod, are movably installed up and down with the guide hole of the pressing fixing seat, and can press the passing packaging film. The sealing and cutting-off knife is arranged between the two pressing plates, the top of the sealing and cutting-off knife is provided with a guide rod which extends upwards and penetrates through the connecting plate and is movably arranged with the guide hole in the pressing fixing seat up and down, and the packaging film can be cut off and heat-sealed from the position between the two pressing plates. And a guide rod between the pressing plate and the pressing fixing seat is provided with a pre-tightened spring which provides upward restoring force for the pressing plate and the sealing cutting-off knife. The bottom of the sealing cutting knife is higher than or equal to the bottom of the pressing plate, namely, the packaging film is firstly pressed, cut and thermally sealed.

Preferably, the packaging film drawing mechanism comprises a stop plate, a film drawing mounting plate, a film drawing driving piece and a film drawing air claw. Stop the backup plate level and set up between tailorring base and the pressure strip, and be located and be close to packaging film input one side the side of pressure strip can let the packaging film of being cut off park, and simultaneously, the packaging film adopts the packaging film of fifty percent discount mode, and the opening orientation stop the backup plate, place the packaging film book back, pull out the packaging film, the packaging film of fifty percent discount is torn, lets place the board and passes between the upper and lower two-layer packaging film, the follow-up packaging film opening of being convenient for. Draw the membrane mounting panel through the track slidable mounting that is on a parallel with packaging film output direction be in packaging film seals cutting mechanism's output one side, and by draw the membrane driving piece to connect and drive. The film pulling air claws are provided with a plurality of film pulling air claws, are arranged on the film pulling mounting plate and face the stop plate. The stop backup plate is provided with a notch corresponding to the film pulling air claw, so that the film pulling air claw can extend into the notch and grab the suspended part at the end part of the packaging film.

Preferably, packaging film opening mechanism is along the side setting of packaging film drawing mechanism is parallel to the direction of delivery of conveyer belt to can be facing the opening of the side of packaging film, including the bar seat, be close the driving piece, be close the base, transverse driving piece, two lead screws, four seats and four struts of opening and shutting.

The bar seat is perpendicular draw the membrane mounting panel and through being parallel draw the track movable mounting of membrane mounting panel in the frame, and pass through it is close to or keeps away from to be close to the driving piece connection drive draw the membrane mounting panel. It is through parallel to be close the base draw the past track slidable mounting of membrane mounting panel removal orbit to on the bar seat, and pass through transverse driving spare connect to drive along draw the removal orbit reciprocating motion of membrane mounting panel, thereby can with it removes to prop the piece the packaging film draws packaging film one side that membrane mechanism pulled out. The two lead screws are arranged on the approaching base in a parallel and spaced mode and horizontally rotate. The screw rod is driven to rotate synchronously through a motor, a synchronous wheel and a synchronous belt, and the threads of two ends of the screw rod are opposite and are respectively connected and driven through a gear to drive the opening and closing seat. The bottom two the seat that opens and shuts is installed two respectively prop up the piece. The two top opening and closing seats are respectively provided with an opening and closing lifting seat through a vertical rail. The opening and closing lifting seat is connected with and drives the upper and lower reciprocating motion through a lifting opening and closing driving piece arranged on the opening and closing seat. The other two strutting pieces are respectively arranged on the two opening and closing lifting seats and are close to or separated from the two strutting pieces at the bottom, so that the four strutting pieces are inserted into the opening of the packaging bag in pairs, and the opening of the packaging bag is widened by separation.

The spreading pieces all comprise L-shaped inserting blocks, clamping blocks and clamping cylinders. The L-shaped insertion block comprises a flat insertion end which is horizontally arranged and vertically points to an opening through which the transverse translation driving members can be inserted into the packaging bag. The two L-shaped inserting blocks of the spreading piece positioned on the same side are arranged oppositely, the two corresponding clamping cylinders are respectively arranged on one side of the two L-shaped inserting blocks, which are back to back, and are respectively connected and driven to prop against or keep away from one side of the two L-shaped inserting blocks, which are back to back. The opening and closing driving piece is connected with the opening piece which drives the top or the bottom to reciprocate up and down, so that the film with the opening of the packaging bag can be pinched. The air blowing piece is arranged among the four spreading pieces and is provided with an air inlet hole and an air blowing hole which is horizontally arranged and faces the transverse translation driving piece. One end of the air inlet hole is connected with an external air source, the other end of the air inlet hole is connected with the air blowing hole, a small opening of the packaging bag can be blown open firstly, and the L-shaped inserting block can stretch into the packaging bag conveniently.

Still be equipped with a wrapping film between wrapping film shedding mechanism and the conveyer belt and seal tailoring mechanism to can pack again and get into the wrapping bag opening after, get up the wrapping bag opening heat-seal.

Preferably, the packaging box conveying mechanism further comprises a feeding conveyor belt, a pushing assembly and a discharging assembly. The material pushing assembly and the material discharging assembly are arranged on two sides of the material discharging end of the feeding conveyor belt, so that the packaging boxes can be pushed to the material discharging assembly from the feeding conveyor belt through the material pushing assembly. The feeding conveying belt and the conveying belt are arranged on two sides of the packaging film opening mechanism, so that a packaging box positioned on the discharging assembly can be pushed into the packaging film opening mechanism through the packaging box bag feeding mechanism, and an opening of the packaging film opening mechanism is opened.

The discharging assembly comprises a discharging mounting seat, an L-shaped rod, a sliding block and a discharging opening and closing driving piece. The discharging mounting seat is mounted close to the feeding conveyor belt. The two L-shaped rods are slidably mounted on the discharging mounting seat through the sliding blocks and a track parallel to the conveying direction of the feeding conveying belt respectively, and the two L-shaped rods are oppositely arranged at intervals to form sliding grooves. The discharging opening and closing driving piece is installed on the discharging installation seat and connected with and drives the two L-shaped rods to be close to or far away from each other, so that the distance between the two L-shaped rods can be adjusted according to the size of the packaging box, and the width of the sliding groove is adjusted. The discharging assembly further comprises a discharging lifting driving piece, the discharging lifting driving piece is connected with and drives the discharging mounting seat to reciprocate up and down, and the discharging mounting seat and an L-shaped rod on the upper portion of the discharging mounting seat can be in butt joint with a rear packaging bag opening.

The discharging lifting driving piece is arranged at the bottom of the mounting seat and comprises a first lifting seat, a second lifting seat, a transverse guide rod, a first guide rod and a second guide rod, a motor, a gear and a rack. The first lifting seat and the second lifting seat are arranged below the discharging mounting seat, and the number of the second lifting seats is two, and the two second lifting seats are arranged on two sides of the first lifting seat. And at least two transverse guide rods are parallel to the first track and penetrate through the first lifting seat and the second lifting seat, so that the first lifting seat and the second lifting seat are linked in the vertical direction. The top of the first guide rod is fixed at the bottom of the discharging mounting seat and extends downwards to penetrate through the first lifting seat. And at least two second guide rods are respectively fixed on the two second lifting seats, extend upwards to penetrate through the two sliding blocks and are respectively connected with the two L-shaped rods. The rack is vertically installed on the first lifting seat, and the motor is installed on the rack and drives the rack, the first lifting seat, the second lifting seat and the two L-shaped rods to reciprocate up and down through gear connection. The material pushing assembly comprises a material pushing driving piece and a material pushing rod. The material pushing rod is arranged in parallel to the feeding direction of the feeding conveyor belt and driven by the material pushing driving piece to move on the feeding conveyor belt in a reciprocating mode close to or far away from the discharging assembly.

Preferably, the packing carton goes into bag mechanism includes support frame, horizontal track, translation board, translation driving piece, vertical track, locating part, lifter plate, vertical rail, movable block, opening and shutting driving piece and scraping wings.

The translation plate is slidably mounted on the support frame through a transverse rail. The translation driving piece is installed on the supporting frame and connected with and drives the translation plate to be close to or far away from the packaging film opening mechanism, so that the pushing plate is driven to move forwards and backwards, and a packaging box placed on the discharging assembly is pushed to enter a packaging bag opening in the packaging film opening mechanism.

The lifting plate is slidably mounted on the translation plate through a vertical rail. The limiting piece is installed on the translation plate and limits or adjusts the installation height of the lifting plate.

The number of the moving blocks is two, and the moving blocks are arranged on the lifting plate in a sliding mode through the longitudinal rails. The opening and closing driving piece is installed on the lifting plate and connected with and drives the two moving blocks to mutually approach or separate so as to adapt to packaging boxes with different sizes.

The two material pushing plates are respectively arranged on the two moving blocks, are positioned on the same plane and point to the packaging film opening mechanism.

As can be seen from the above description of the present invention, the present invention has the following advantageous effects:

1. by arranging the four groups of packaging film corner cutting mechanisms, the peripheral corner excess materials of the packaging bags outside the packaging box can be cut and sealed, and the problems that when the existing thermoplastic packaging film is used for packaging products, the peripheral excess materials are too much, manual cutting is complicated, the packaging appearance is irregular, and the quality is poor are solved;

2. by arranging the packaging film conveying mechanism, the packaging film drawing mechanism, the packaging film sealing and cutting mechanism, the packaging film opening mechanism, the packaging box bag feeding mechanism, the packaging film corner cutting mechanism, the packaging box conveying mechanism and the packaging box bag feeding mechanism which are compact in structure, the packaging film roll can be automatically manufactured into a packaging bag and packaged in the packaging box, and finally the corners of the packaging bag are processed, so that the overall working efficiency is improved;

3. by arranging flexible driving pieces on the mechanisms, the work pieces of the mechanisms can be adjusted according to the sizes of the packing boxes, so that the equipment can adapt to the packing boxes with various sizes and the corresponding packing bags thereof;

4. the distance between the baffle plate and the side feeding station can be adjusted according to the width of the packing box, so that the size of the space for accommodating the packing box on the conveying belt is adjusted to be matched with the width of the packing box, and the packing box is prevented from being inclined in the conveying process, and the treatment effect of the corners of the packing bag is further influenced.

5. The distance between the packaging film corner cutting mechanism and the conveying belt can be adjusted, the adjustment is linked with the adjustment of the space for accommodating the packaging boxes on the conveying belt, and the adjustment can be carried out according to the width consistency of the packaging boxes, so that different adjustment parts are avoided, the packaging effect of the packaging bags of the packaging boxes is improved, meanwhile, the arrangement of a driving mechanism is reduced, and the mechanism is more simplified;

6. the equipment provided by the invention can be used for coating films on packaging boxes with different sizes, and when the equipment is used, the size of the accommodating space of the packaging box on the conveying belt, the film-drawing length of the film-drawing mechanism of the packaging film, the opening size of the opening mechanism of the packaging film, the opening and closing degree of the material pushing plate of the bag-in mechanism of the packaging box during material pushing and the distance between the edge angle cutting mechanism of the packaging film and the conveying belt can be simultaneously adjusted according to the input of the size of the packaging box, so that the larger error caused by manual adjustment is reduced, the film coating quality of the packaging box is improved, and the labor intensity of operators is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Wherein:

FIG. 1 is a side view of an axle of a film laminator for packaging boxes;

FIG. 2 is a second side view of the shaft of a film laminator for packaging boxes;

FIG. 3 is a third side view of the shaft of a film laminator for packaging boxes;

FIG. 4 is a side elevational view of a fourth of the package laminator;

FIG. 5 is a side elevational view of a fifth embodiment of a film applicator for packages;

FIG. 6 is a side elevational view six of a package laminator; (only part is shown)

FIG. 7 is a seventh isometric view of a carton laminator; (only part is shown)

FIG. 8 is an isometric view eight of a carton laminator; (only part is shown)

FIG. 9 is an isometric view eight of a carton laminator; (only part is shown)

The designations in fig. 1 to 9 are respectively: the packaging box cutting machine comprises a packaging box conveying mechanism 1, a conveying belt 11, a feeding conveying belt 12, a discharging mounting seat 13, an L-shaped rod 14, a discharging opening and closing driving part 15, a discharging lifting driving part 16, a first lifting seat 161, a second lifting seat 162, a width adjusting base 17, a baffle 18, a packaging film conveying mechanism 2, a bearing rotating shaft 21, a leaning rotating shaft 22, a punching rotating shaft 23, a roller shaft 24, a packaging film sealing and cutting mechanism 3, a cutting base 31, a pressing fixing seat 32, a pressing movable seat 33, a pair of pressing plates 34, a sealing and cutting knife 35, a packaging film drawing mechanism 4 bag, a parking plate 41, a film drawing mounting plate 42, a film drawing air claw 43, a packaging film opening mechanism 5, a strip-shaped seat 51, an approaching base 52, an opening and closing seat 53, an L-shaped inserting block 54, a clamping block 55, an air blowing piece 56, a packaging box bag feeding mechanism 6, a supporting frame 61, a translation plate 62, a lifting plate 63, a material pushing 64, a packaging film corner cutting mechanism 7, a packaging film cutting mechanism, Mounting base 71, baffle 72, pressing plate 73, cutting knife 74, moving base 75, vertical adjusting plate 76, packaging film roll 8 and packaging box 9.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clear and obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9, a film laminating machine for packaging boxes comprises a packaging box conveying mechanism 1, a packaging film conveying mechanism 2, a packaging film sealing and cutting mechanism 3, a packaging film pulling mechanism 4, a packaging film opening mechanism 5, a packaging box bag feeding mechanism 6 and a packaging film corner cutting mechanism 7 which are sequentially arranged, and is sequentially used for conveying packaging boxes, loading and conveying packaging films, sealing and cutting the side portions of the packaging films, pulling out the packaging films to prepare for loading, tearing the openings of the packaging films, pushing the packaging boxes into the openings of the packaging boxes, cutting and sealing the leftover materials of the corners of the packaging films. The packaging box bag feeding mechanism 6, the packaging film sealing and cutting mechanism 3 and the packaging film opening mechanism 5 are close to the packaging box conveying mechanism 1, so that the packaging box can be smoothly pushed into the packaging film and packaged.

The packing box conveying mechanism 1 comprises a conveying belt 11 for conveying packing boxes, in the embodiment, the conveying belt 11 adopts a pair of belts distributed in parallel at intervals, and the middle part of the conveying belt is provided with a plurality of rollers for supporting.

In one embodiment, the package conveying mechanism 1 further includes an in-feed conveyor 12, an in-feed 64 assembly, and an out-feed assembly. The material pushing 64 assembly and the material discharging assembly are arranged on two sides of the material discharging end of the feeding conveyor belt 12, so that the packaging boxes can be pushed to the material discharging assembly from the feeding conveyor belt 12 through the material pushing 64 assembly. The feeding conveyor belt 12 and the conveyor belt 11 are arranged on two sides of the packaging film opening mechanism 5, so that the packaging boxes positioned on the discharging assembly can be pushed into the packaging film opening mechanism 5 through the packaging box bag feeding mechanism 6, and the opening of the packaging film opening mechanism is opened.

Specifically, the discharging assembly comprises a discharging mounting seat 13, an L-shaped rod 14, a sliding block and a discharging opening and closing driving piece 15. The discharge mounting base 13 is mounted adjacent to the infeed conveyor 12. The two L-shaped rods 14 and the two sliding blocks are arranged, the two L-shaped rods 14 are respectively arranged on the discharging installation seat 13 in a sliding mode through the sliding blocks and the rails parallel to the conveying direction of the feeding conveying belt 12, and the two L-shaped rods are arranged oppositely at intervals to form sliding grooves. Ejection of compact driving piece 15 that opens and shuts is installed on ejection of compact mount pad 13 and connect and drive two L type pole 14 is close to or keeps away from to can be according to the size adjustment of packing carton two distance between the L type pole 14 adjusts the width of spout, in this embodiment, ejection of compact driving piece 15 that opens and shuts adopts the motor to drive the drive scheme of the lead screw of both ends screw thread opposite direction. The discharging assembly further comprises a discharging lifting driving piece 16, and the discharging lifting driving piece 16 is connected with and drives the discharging mounting seat 13 to reciprocate up and down, so that the discharging mounting seat 13 and the L-shaped rod 14 on the upper portion of the discharging mounting seat can be in butt joint with a rear packaging bag opening.

The discharging lifting driving member 16 is disposed at the bottom of the mounting seat, and includes a first lifting seat 161, a second lifting seat 162, a transverse guide rod, a first guide rod, a second guide rod, a motor, a gear and a rack. The first lifting seat 161 and the second lifting seat 162 are arranged below the discharging installation seat 13, and two second lifting seats 162 are arranged on two sides of the first lifting seat 161. The at least two transverse guide rods are parallel to the first rail and penetrate through the first lifting seat 161 and the second lifting seat 162, so that the first lifting seat 161 and the second lifting seat 162 are linked in the vertical direction. The top of the first guide rod is fixed at the bottom of the discharging installation base 13 and extends downwards to penetrate through the first lifting base 161. The two second guide rods are respectively fixed on the two second lifting seats 162, extend upwards to penetrate through the two sliding blocks, and are respectively connected with the two L-shaped rods 14. The rack is vertically installed on the first lifting seat 161, and the motor is installed on the rack and drives the rack, the first lifting seat 161, the second lifting seat 162 and the two L-shaped rods 14 to reciprocate up and down through gear connection. The pushing material 64 assembly comprises a pushing material 64 driving piece and a pushing material 64 rod. The pushing 64 rod is arranged in parallel to the feeding direction of the feeding conveyor belt 12, and is driven by the pushing 64 driving piece to move on the feeding conveyor belt 12 to move back and forth close to or far away from the discharging assembly.

Four groups of packaging film corner cutting mechanisms 7 are arranged at four same-level point positions and enclose a square corner processing station. The packaging film corner cutting mechanism 7 comprises a mounting seat 71, a baffle driving piece, a baffle 72, a pressing driving piece, a pressing plate 73, a cutting driving piece and a cutting knife 74.

The baffle driving member is installed on the installation seat 71 and drives the baffle 72 to reciprocate along the conveying direction of the conveying belt 11 at a position close to the conveying belt 11, so that the working surface of the baffle 72 is flush with the side surface of the packing box.

The pressing driving piece is installed on the installation seat and drives the pressing plate 73 to abut against or be far away from one side of the conveying belt 11, away from the baffle 72, so that the leftover materials of the packaging bags can be clamped together with the baffle 72.

The cutting driving piece is installed on the installation seat and drives the cutting knife 74 to abut against or be far away from one side of the baffle plate 72 far away from the conveying belt 11, and meanwhile, the cutting knife 74 is a heat sealing knife connected with a power supply, so that cutting and heat sealing can be carried out on leftover materials of clamped packaging bags. In one embodiment, to improve the flexibility of delivering the press driving member, the press driving member includes a moving seat 75, a first press cylinder and a second press cylinder. The movable base 75 is installed on the installation base through a rail perpendicular to the conveying direction of the conveying belt 11 and is connected and driven through the first pressing cylinder, so that the whole pressing plate 73 can be driven to move forward and backward towards the baffle 72, and the moved pressing plate 73 is close to the side piece of the packaging box and is in the same plane with the working surface area of the baffle 72 and staggered. According to the pressing plate 73 through the parallel 11 direction of delivery's of conveyer belt track mount pad remove on the seat 75, and pass through the cylinder connection drives is pressed to the second to can drive pressing plate 73 along the parallel the direction adjustment position of baffle 72 walks and is close to the working face of baffle 72 along the side of packing carton, thereby scrapes wrapping bag corner clout and presses on baffle 72.

According to the invention, four groups of packaging film corner cutting mechanisms 7 are arranged, so that the peripheral corner excess materials of the packaging bag outside the packaging box can be cut and sealed, and the problems of excessive peripheral excess materials, complicated manual cutting, irregular packaging appearance and poor quality of the existing thermoplastic packaging film during product packaging are solved.

In one embodiment, in order to improve the adjustment flexibility of the package film corner cutting mechanism 7, the package film corner cutting mechanism 7 further includes an adjustment driving member. The adjustment drives include a longitudinal adjustment plate 76, a longitudinal adjustment drive, and a lateral adjustment drive. The longitudinal adjusting driving member is mounted on the frame and drives the longitudinal adjusting plate 76 to be close to or far away from the conveying belt 11, so that the distance between the packaging film corner cutting mechanism 7 and the conveying belt 11 is adjusted. The transverse adjusting driving member is mounted on the longitudinal adjusting plate 76 and connected to drive the mounting seat to reciprocate along the conveying direction of the conveying belt 11, so that the distance between the packaging film corner cutting mechanism 7 and the packaging box is adjusted. In this embodiment, the longitudinal adjustment driving member and the transverse adjustment driving member adopt a driving mode in which a motor drives a lead screw nut. Preferably, the package box conveying mechanism 1 comprises a width adjusting base 17, a width adjusting driving member and a baffle 18. One side of the conveying belt 11 is provided with a lateral feeding station vertical to the conveying direction, and the width adjusting base 17 is slidably mounted on the frame and located on the other side of the conveying belt 11. The width adjusting driving part is connected with and drives the width adjusting base 17 to be far away from or close to the conveying belt 11, and the baffle plate 18 is installed on the upper portion and extends to the conveying belt and is opposite to the side feeding station. The two longitudinal adjusting plates 76 are symmetrically arranged on both sides of the conveying belt 11. The longitudinal adjustment driving part and the transverse adjustment driving part both adopt a driving structure that a motor drives a screw nut. The two packaging film corner cutting mechanisms 7 positioned on the same side of the conveying belt 11 share the same longitudinal adjusting plate 76 and the longitudinal adjusting driving member, so that the mechanism is further simplified.

In an embodiment, in order to improve the stability when processing the leftover materials of the packaging bags, the corner cutting mechanism 7 of the packaging film further comprises a pressing piece arranged at the top of the conveying belt 11 and capable of moving up and down and pressing or loosening the packaging boxes on the conveying belt 11.

In one embodiment, the packaging film conveying mechanism 2 includes a pair of holding rotating shafts 21, a leaning rotating shaft 22, a punching rotating shaft 23, a roller shaft 24 and a conveying shaft. Two bearing pivot 21 is same high and the interval setting to drive the rotation in step through same motor for put into and support and live the packaging film and roll up, can drive the packaging film simultaneously and roll up the rotation. Leaning on pivot 22 mounting height is higher than bearing pivot 21, and be located bearing pivot 21 is close to the one side that the packaging film pulled out, prevents that the packaging film from rolling out two from the one side of being pulled out bearing pivot 21. The pivot 23 and the roller shaft 24 of punching are close to the installation, just be equipped with a plurality of interval distribution's ring channel on the pivot 23 of punching, be equipped with on the roller shaft 24 and correspond the gyro wheel of ring channel, the peripheral distribution of gyro wheel has and stretches into the needle of ring channel is followed the packaging film that passes through between pivot 23 and the roller shaft 24 of punching can be perforated, prevents that the bubble from appearing in the later stage packaging film. The conveying shaft is provided with at least one layer and at least one layer, and the conveying shaft is arranged along the output path of the packaging film.

In one embodiment, the packaging film seal cutting mechanism 3 includes a cutting base 31, a pressing fixed seat 32, a pressing movable seat 33, a pressing cylinder, a pair of pressing plates 34 and a seal cutting knife 35. The pressing fixed seat 32 is installed on the machine frame and is positioned at the top of the cutting base 31. The pressing movable seat 33 is movably arranged below the pressing fixed seat 32 through a guide rod and a guide hole. The pressing cylinder is installed on the pressing fixed seat 32 and connected to drive the pressing movable seat 33 to reciprocate up and down. The bottoms of the two pressing plates 34 are parallel and point to the cutting base 31, the tops of the two pressing plates are connected through a connecting plate, extend upwards through a guide rod, and are movably installed with the guide hole of the pressing fixing seat 32 up and down, so that the passing packaging film can be pressed. The sealing cutting knife 35 is arranged between the two pressing plates 34, the top of the sealing cutting knife is provided with a guide rod which extends upwards and penetrates through the connecting plate and then is movably arranged up and down with the guide hole in the pressing fixed seat 32, and the packaging film can be cut off and heat-sealed from the position between the two pressing plates 34. A guide rod between the pressing plate 34 and the pressing fixed seat 32 is provided with a pre-tightening spring, so that upward restoring force is provided for the pressing plate 34 and the seal cutting knife 35. The bottom of the seal cutting knife 35 is higher than or equal to the bottom of the pressing plate 34, namely, the packaging film is firstly pressed, cut and heat-sealed.

In one embodiment, the film drawing mechanism 4 includes a stop plate 41, a film drawing mounting plate 42, a film drawing driving member, and a film drawing air claw 43. Stop backup plate 41 level setting cut out between base 31 and the pressure strip 34, and be located and be close to packaging film input one side the side of pressure strip 34 can let the packaging film who is cut off park, and simultaneously, the packaging film adopts the packaging film of fifty percent discount mode, and the opening orientation stop backup plate 41, after placing the packaging film book, pull out the packaging film, tear the packaging film of fifty percent discount, let place board 41 and pass between the upper and lower two-layer packaging film, the follow-up packaging film opening of being convenient for. Draw membrane mounting panel 42 through the track slidable mounting that is on a parallel with packaging film output direction be in packaging film seals cutting mechanism 3's output one side, and by draw the membrane driving piece to connect and drive. The film pulling air claws 43 are arranged on the film pulling mounting plate 42 and face the stop plate 41. The stop plate 41 is provided with a gap corresponding to the film pulling air claw 43, so that the film pulling air claw 43 can extend into the gap and grab the suspended part at the end part of the packaging film.

In an embodiment, the packaging film opening mechanism 5 is disposed along the side edge of the packaging film pulling mechanism 4 and parallel to the conveying direction of the conveying belt 11, so as to face the opening of the side edge of the packaging film, and includes a strip-shaped seat 51, an approach driving member, an approach base 52, a transverse driving member, two lead screws, four opening and closing seats 53 and four opening and closing members.

The strip-shaped seat 51 is perpendicular to the film drawing mounting plate 42 and is movably mounted on the rack through a track parallel to the film drawing mounting plate 42, and the strip-shaped seat is connected with the driving part to drive the film drawing mounting plate 42 to be close to or far away from the driving part. It is through parallel to approach the base 52 draw the past track slidable mounting of membrane mounting panel 42 removal orbit to be in on the bar seat 51, and through the transverse driving piece connection drive along draw the removal orbit reciprocating motion of membrane mounting panel 42, thereby can with the piece that struts removes the packaging film that the packaging film draws membrane mechanism 4 to pull out one side of the packaging film. The two lead screws are parallelly arranged at intervals and horizontally and rotatably arranged on the approaching base 52. The screw rods are synchronously driven to rotate through the motor, the synchronous wheel and the synchronous belt, and the threads at two ends of the two screw rods are opposite and are respectively connected and driven through a gear to drive the opening and closing seat 53. The two opening and closing seats 53 at the bottom are respectively provided with two opening and closing pieces. The two top opening and closing seats 53 are respectively provided with an opening and closing lifting seat through a vertical rail. The opening and closing lifting seat is connected and driven by a lifting opening and closing driving piece arranged on the opening and closing seat 53 to move up and down in a reciprocating manner. The other two strutting pieces are respectively arranged on the two opening and closing lifting seats and are close to or separated from the two strutting pieces at the bottom, so that the four strutting pieces are inserted into the opening of the packaging bag in pairs, and the opening of the packaging bag is widened by separation.

Preferably, the spreaders each comprise an L-shaped insert block 54, a clamping block 55 and a clamping cylinder. The L-shaped insertion block 54 comprises a flat insertion end which is arranged horizontally and points vertically towards the opening through which the transverse translational drive members can be inserted into the packaging bag. The L-shaped inserting blocks 54 of the two spreading pieces positioned on the same side are arranged oppositely, the corresponding two clamping cylinders are respectively arranged on the opposite sides of the two L-shaped inserting blocks 54, and are respectively connected and drive the two clamping blocks 55 to prop against or be away from the opposite sides of the two L-shaped inserting blocks 54. The opening and closing driving piece is connected with the opening piece which drives the top or the bottom to reciprocate up and down, so that the film with the opening of the packaging bag can be pinched. The air blowing member 56 is provided with an air inlet hole and an air blowing hole which is horizontally arranged and faces the transverse translation driving member. One end of the air inlet hole is connected with an external air source, the other end of the air inlet hole is connected with the air blowing hole, a small opening of the packaging bag can be blown open firstly, and the L-shaped inserting block 54 can stretch into the packaging bag conveniently.

Still be equipped with a wrapping film between wrapping film opening mechanism 5 and the conveyer belt 11 and seal tailoring mechanism 3 to can pack again and get into the wrapping bag opening after, get up the wrapping bag opening heat-seal.

In one embodiment, the package box bagging mechanism 6 includes a support frame 61, a transverse rail, a translation plate 62, a translation driving member, a vertical rail, a limiting member, a lifting plate 63, a longitudinal rail, a moving block, an opening and closing driving member, and a pushing member 64.

The translation plate 62 is slidably mounted on the support frame 61 by means of transverse rails. The translation driving piece is installed on the supporting frame 61 and connected to drive the translation plate 62 is close to or away from the packaging film opening mechanism 5, so that the pushing plate 64 is driven to move forwards and backwards, and the packaging box on the discharging assembly is pushed to enter a packaging bag opening in the packaging film opening mechanism 5.

The lifting plate 63 is slidably mounted on the translating plate 62 by vertical rails. The limiting member is installed on the translation plate 62 and limits or adjusts the installation height of the lifting plate 63.

Two moving blocks are arranged and are arranged on the lifting plate 63 in a sliding mode through longitudinal rails. The opening and closing driving piece is arranged on the lifting plate 63 and connected with and drives the two moving blocks to mutually approach or separate so as to adapt to packaging boxes with different sizes.

The two pushing plates 64 are respectively arranged on the two moving blocks, are positioned on the same plane and point to the packaging film opening mechanism 5.

When the device provided by the invention is used for working, a packaging film roll 8 (one side of the pulled packaging film is sealed) is placed on a bearing rotating shaft 21 of a packaging film conveying mechanism 2, the packaging film is pulled out and sequentially passes through a punching rotating shaft 23, a roller shaft 24 and a conveying shaft and is conveyed to a packaging film seal cutting mechanism 3, at the moment, a film pulling air claw 43 of the packaging film pulling mechanism 4 moves to the packaging film seal cutting mechanism 3, the end parts of the packaging film on a parking plate 41 and at the bottom are grabbed and taken and pulled out for a preset length, the packaging film seal cutting mechanism 3 presses, heat-seals and cuts the middle part of the pulled packaging film, when the pressing forces of the film pulling air claw 43 and the packaging film seal cutting mechanism 3 grab two sides of the packaging film, the packaging film opening mechanism 5 moves to a packaging bag opening position, the packaging bag opening is exhausted through an air blowing piece 56, and the opening is slightly opened, then move the opening piece advances, insert the wrapping bag opening and strut it, the wrapping bag that is snatched and struts by packaging film opening mechanism 5, moved to the position between discharging assembly and conveyer belt 11, place packing carton 9 and carry on feeding conveyer belt 12, push out the packing carton on feeding conveyer belt 12 through pushing away 64 subassemblies, push away on the discharging assembly, again push the packing carton on the discharging assembly into the open-ended packing bag by the material pushing 64 board of packing carton bagging-in mechanism 6, simultaneously, seal the opening of the wrapping bag through the packaging film seal cutting mechanism 3 between discharging assembly and conveyer belt 11 and carry out heat-seal, the wrapping bag completely wraps the packing carton at this moment, carry it to the corner processing station through conveyer belt 11, baffle 72 of four groups of packaging film corner cutting mechanisms 7 moves through adjustment, is close to the wrapping bag corner clout, clip the wrapping bag corner clout together with pressing plate 73 again, and finally, the leftover materials clamped are subjected to heat sealing and cutting by the cutting knife 74, at the moment, the size of the packaging bag is close to that of the packaging box, the processed packaging box and the packaging bag are taken away by workers or other equipment and can be placed into an oven, and the packaging bag made of the thermoplastic film is contracted and is tightly attached to the packaging box.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.

Claims (10)

1. A packaging box film laminating machine is characterized by comprising a packaging box conveying mechanism, and a packaging film conveying mechanism, a packaging film sealing and cutting mechanism, a packaging film pulling mechanism, a packaging film opening mechanism, a packaging box bag feeding mechanism and a packaging film edge cutting mechanism which are sequentially arranged; the packaging box bag feeding mechanism, the packaging film sealing and cutting mechanism and the packaging film opening mechanism are arranged close to the packaging box conveying mechanism;

the packaging box conveying mechanism comprises a conveying belt;

the four groups of corner cutting mechanisms are positioned at four point positions and form a square corner processing station in a surrounding manner; the packaging film corner cutting mechanism comprises a mounting seat, a baffle driving piece, a baffle, a pressing driving piece, a pressing plate, a cutting driving piece and a cutting knife;

the baffle driving part is arranged on the mounting seat and drives the baffle to reciprocate close to the conveying belt along the conveying direction of the conveying belt;

the pressing driving piece is arranged on the mounting seat and drives the pressing plate to abut against or be far away from one side, far away from the conveying belt, of the baffle plate;

the cutting driving piece is arranged on the mounting seat and drives the cutting knife to abut against or be far away from one side of the baffle plate far away from the conveying belt; the cutting knife is a heat sealing knife connected with a power supply.

2. A packet laminator according to claim 1 wherein said press drive member comprises a carriage, a first press cylinder and a second press cylinder; the moving seat is arranged on the mounting seat through a rail vertical to the conveying direction of the conveying belt and is connected and driven through the first pressing air cylinder; the pressing plate is arranged on the moving seat through a rail mounting seat parallel to the conveying direction of the conveying belt and is connected and driven through the second pressing cylinder.

3. A packaging box film laminating machine according to claim 2, wherein the packaging film corner cutting mechanism further comprises an adjustment drive member; the adjusting driving part comprises a longitudinal adjusting plate, a longitudinal adjusting driving part and a transverse adjusting driving part; the longitudinal adjusting driving piece is arranged on the rack and is connected with and drives the longitudinal adjusting plate to be close to or far away from the conveying belt; the transverse adjusting driving piece is installed on the longitudinal adjusting plate and connected with the longitudinal adjusting plate to drive the installation seat to move back and forth along the conveying direction of the conveying belt.

4. A packaging box laminator according to claim 3 wherein the packaging box transport mechanism includes a width adjustment base, a width adjustment drive and a stop plate; a lateral feeding station vertical to the conveying direction is arranged on one side of the conveying belt, and the width adjusting base is slidably mounted on the rack and located on the other side of the conveying belt; the width adjusting driving part is connected with and drives the width adjusting base to be far away from or close to the conveying belt, and the baffle is installed on the width adjusting driving part, extends to the conveying belt and is opposite to the side feeding station; the two longitudinal adjusting plates are symmetrically arranged on two sides of the conveying belt, and one of the two longitudinal adjusting plates is arranged on the width adjusting base; the longitudinal adjustment driving part and the transverse adjustment driving part both adopt a driving structure that a motor drives a screw nut; and the two packaging film corner cutting mechanisms positioned on the same side of the conveying belt share the same longitudinal adjusting plate and the same longitudinal adjusting driving piece.

5. A packaging box film laminating machine according to claim 1, wherein the packaging film conveying mechanism is arranged at the bottom of the frame and below the packaging film sealing and cutting mechanism; the packaging film conveying mechanism comprises a pair of bearing rotating shafts, a leaning rotating shaft, a punching rotating shaft, a roller shaft and a conveying shaft; the two bearing rotating shafts are arranged at the same height and interval and synchronously driven to rotate by the same motor; the leaning rotating shaft is higher than the bearing rotating shaft in installation height and is positioned on one side, close to the package film, of the bearing rotating shaft; the punching rotating shaft and the roller shaft are installed close to each other, a plurality of annular grooves distributed at intervals are formed in the punching rotating shaft, rollers corresponding to the annular grooves are arranged on the roller shaft, and needles extending into the annular grooves are distributed on the periphery of the rollers; the conveying shaft is provided with at least one layer and at least one layer, and the conveying shaft is arranged along the output path of the packaging film.

6. The packaging box film laminating machine according to claim 1, wherein the packaging film sealing and cutting mechanism comprises a cutting base, a pressing fixed seat, a pressing movable seat, a pressing air cylinder, a pair of pressing plates and a sealing cutting knife; the pressing fixed seat is arranged on the rack and is positioned at the top of the cutting base; the pressing movable seat is movably arranged below the pressing fixed seat through a guide rod and a guide hole; the pressing cylinder is arranged on the pressing fixed seat and connected with the pressing movable seat to drive the pressing movable seat to reciprocate up and down; the bottoms of the two pressing plates are parallel and point to the cutting base, the tops of the two pressing plates are connected through a connecting plate, extend upwards through a guide rod and are movably installed with guide holes of the pressing fixing seat up and down; the seal cutting-off knife is arranged between the two pressing plates, and the top of the seal cutting-off knife is provided with a guide rod which extends upwards and penetrates through the connecting plate and is movably arranged with the guide hole on the pressing fixed seat up and down; a guide rod between the pressing plate and the pressing fixed seat is provided with a pre-tightened spring; the bottom of the seal cutting knife is higher than or equal to the bottom of the compression plate.

7. A packaging box film laminating machine according to claim 6, wherein the packaging film pulling mechanism comprises a stop plate, a film pulling mounting plate, a film pulling driving piece and a film pulling air claw; the stop-and-backup plate is horizontally arranged between the cutting base and the pressing plate and is positioned at the side edge of the pressing plate close to the input side of the packaging film; the film pulling mounting plate is slidably mounted on one side of the output end of the packaging film sealing and cutting mechanism through a track parallel to the output direction of the packaging film and is connected and driven by the film pulling driving piece; the film pulling air claws are arranged on the film pulling mounting plate and face the stop plate; the stop plate is provided with a notch corresponding to the film drawing air claw.

8. A packaging box film laminating machine according to claim 7, wherein the packaging film opening mechanism is arranged along a side edge of the packaging film pulling mechanism and parallel to the conveying direction of the conveying belt, and comprises a strip-shaped seat, an approaching driving part, an approaching base, a transverse driving part, two lead screws, four opening and closing seats, four opening and closing pieces and an air blowing piece;

the strip-shaped seat is vertical to the film-drawing mounting plate, is movably mounted on the rack through a track parallel to the film-drawing mounting plate, and is connected and driven to be close to or far away from the film-drawing mounting plate through the approaching driving piece; the approaching base is slidably mounted on the strip-shaped base through a rail parallel to the moving track of the film-drawing mounting plate, and is connected and driven by the transverse driving piece to reciprocate along the moving track of the film-drawing mounting plate; the two lead screws are parallelly arranged at intervals and horizontally and rotatably arranged on the approaching base; the screw rods are synchronously driven to rotate through the motor, the synchronous wheel and the synchronous belt, and the threads at the two ends of the two screw rods are opposite and are respectively connected through a gear to drive the opening and closing seat; the two opening and closing seats at the bottom are respectively provided with two opening pieces; the two opening and closing seats at the top are respectively provided with an opening and closing lifting seat through a vertical rail; the opening and closing lifting seat is connected and driven by a lifting opening and closing driving piece arranged on the opening and closing seat to move up and down in a reciprocating manner; the other two strutting pieces are respectively arranged on the two opening and closing lifting seats and are close to or separated from the two strutting pieces at the bottom;

the opening pieces comprise L-shaped inserting blocks, clamping blocks and clamping cylinders; the L-shaped insertion block comprises a flat insertion end which is horizontally arranged and vertically points to the transverse translation driving piece; the L-shaped inserting blocks of the two spreading pieces positioned on the same side are arranged oppositely, and the two corresponding clamping cylinders are respectively arranged on the opposite sides of the two L-shaped inserting blocks and are respectively connected with and drive the two clamping blocks to prop against or be far away from the opposite sides of the two L-shaped inserting blocks; the opening and closing driving piece is connected with and drives the top or bottom opening piece to reciprocate up and down; the air blowing piece is arranged among the four spreading pieces and is provided with an air inlet hole and an air blowing hole which is horizontally arranged and faces the transverse translation driving piece; one end of the air inlet is connected with an external air source, and the other end of the air inlet is connected with the air blowing hole;

still be equipped with a packaging film and seal tailoring mechanism between packaging film opening mechanism and the conveyer belt.

9. The packaging box film laminating machine according to claim 8, wherein the packaging box conveying mechanism further comprises a feeding conveyor belt, a pushing assembly and a discharging assembly; the material pushing assembly and the material discharging assembly are arranged on two sides of the material discharging end of the feeding conveyor belt; the feeding conveyor belt and the conveying belt are arranged on two sides of the packaging film opening mechanism;

the discharging assembly comprises a discharging mounting seat, an L-shaped rod, a sliding block and a discharging opening and closing driving piece; the discharging mounting seat is mounted close to the feeding conveying belt; the two L-shaped rods are slidably mounted on the discharging mounting seat through the sliding block and a track parallel to the conveying direction of the feeding conveying belt respectively, and the two L-shaped rods are oppositely arranged at intervals to form a sliding chute; the discharging opening and closing driving piece is arranged on the discharging mounting seat and connected with and drives the two L-shaped rods to be close to or far away from each other; the discharging assembly further comprises a discharging lifting driving piece, and the discharging lifting driving piece is connected with and drives the discharging mounting seat to reciprocate up and down;

the discharging lifting driving piece is arranged at the bottom of the mounting seat and comprises a first lifting seat, a second lifting seat, a transverse guide rod, a first guide rod and a second guide rod, a motor, a gear and a rack; the first lifting seat and the second lifting seat are arranged below the discharging mounting seat, and two second lifting seats are arranged on two sides of the first lifting seat; the at least two transverse guide rods are parallel to the feeding conveying belt and penetrate through the first lifting seat and the second lifting seat; the top of the first guide rod is fixed at the bottom of the discharging mounting seat and extends downwards to penetrate through the first lifting seat; the second guide rods are respectively fixed on the two second lifting seats, extend upwards to penetrate through the two sliding blocks and are respectively connected with the two L-shaped rods; the rack is vertically arranged on the first lifting seat, and the motor is arranged on the rack and drives the rack, the first lifting seat, the second lifting seat and the two L-shaped rods to reciprocate up and down through gear connection; the material pushing assembly comprises a material pushing driving piece and a material pushing rod; the material pushing rod is arranged in parallel to the feeding direction of the feeding conveying belt and is driven by the material pushing driving piece to move on the feeding conveying belt in a reciprocating mode close to or far away from the discharging assembly.

10. The laminating machine for packaging boxes according to claim 1, wherein the bag-inserting mechanism for packaging boxes comprises a supporting frame, a transverse rail, a translation plate, a translation driving member, a vertical rail, a limiting member, a lifting plate, a longitudinal rail, a moving block, an opening-closing driving member and a material pushing plate;

the translation plate is slidably mounted on the support frame through a transverse rail; the translation driving piece is arranged on the supporting frame and connected with the supporting frame to drive the translation plate to be close to or far away from the packaging film opening mechanism;

the lifting plate is slidably mounted on the translation plate through a vertical rail; the limiting piece is installed on the translation plate and limits the installation height of the lifting plate;

two moving blocks are arranged and are arranged on the lifting plate in a sliding mode through longitudinal rails; the opening and closing driving piece is arranged on the lifting plate and connected with the two moving blocks to drive the two moving blocks to mutually approach or separate;

the two material pushing plates are respectively arranged on the two moving blocks, are positioned on the same plane and point to the packaging film opening mechanism.

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