CN215473439U

CN215473439U - Paper bag machine

Info

Publication number: CN215473439U
Application number: CN202121247004.1U
Authority: CN
Inventors: 曹震勇; 曹震义
Original assignee: Ruian Xinke Machinery Co ltd
Current assignee: Ruian Xinke Machinery Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-11
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a paper bag machine, which comprises a discharging mechanism, a transverse cutting mechanism and a forming mechanism, wherein the transverse cutting mechanism comprises a pre-piercing part and a stretch-breaking part, the stretch-breaking part is arranged in front of the pre-piercing part and comprises a traction roller and a pull roller, the pull roller is arranged in front of the traction roller, the rotating speed of the pull roller is higher than that of the traction roller, the pull roller comprises an upper roller and a lower roller, a convex strip pressed with the lower roller is arranged on the surface of the upper roller, and the convex strip is transversely arranged; the forming mechanism is arranged between the pre-pricking component and the breaking component and comprises a gluing component and a forming component. The bag blank sequentially passes through the pre-needling component, the gluing component, the forming component and the stretch-breaking component to form a unit bag body, and the pre-needling roller, the traction roller and the pull roller all run continuously, namely the bag blank is pre-needled and stretch-broken in the conveying process, so that continuous production is realized.

Description

Paper bag machine

Technical Field

The utility model relates to an improved paper bag machine.

Background

The paper bag machine takes roll paper as a raw material, firstly, the roll paper is longitudinally formed into a tube, edges are inserted in the tube forming process to form M-shaped side edges, the M-shaped side edges are cut into unit bag bodies after forming, and finally, the bottom of the unit bag bodies is formed. The paper bag is degradable, more environment-friendly, has large market demand and is suitable for packaging different products. The existing paper bag machine has the following problems that 1, the roll paper is heavy in weight, the roll changing is quite laborious, and the horizontal position of the roll paper on a frame is difficult to adjust; 2. the transverse slitting adopts a breaking knife to break, the layers of the bag opening are uneven, the breaking knife rotates vertically, and the width of the bag blank is more than twice of the width of the bag blank in the rotating range of the breaking knife, so that the width of the equipment is widened, and the arrangement of the equipment is not facilitated.

Disclosure of Invention

In view of the technical problems in the background art, the technical problem solved by the utility model is to provide the paper bag machine, which is convenient and labor-saving in roll changing, can adjust the transverse position of roll paper, and has the advantages of flat bag mouth and good use effect after forming.

In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of paper bag machine, its characterized in that: comprises that

The discharging mechanism comprises a discharging component, and the discharging component comprises a discharging frame;

a transverse cutting mechanism which comprises

A pre-needling component which comprises a pre-needling roller,

the stretch breaking component is arranged in front of the pre-piercing component and comprises a traction roller and a pull roller, the pull roller is arranged in front of the traction roller, the rotating speed of the pull roller is higher than that of a rotating speed block of the traction roller, the pull roller comprises an upper roller and a lower roller, a convex strip pressed with the lower roller is arranged on the surface of the upper roller, and the convex strip is transversely arranged;

and a forming mechanism arranged between the pre-piercing part and the breaking part, wherein the forming mechanism comprises

A gluing part is arranged on the upper surface of the frame,

and the forming part comprises an upper pressing wheel, an upper template, a lower template and side insertion wheels, wherein an insertion edge gap for inserting the side insertion wheels is formed between the upper template and the lower template, the side insertion wheels are arranged on the left side and the right side of the upper template and the lower template, and the upper pressing wheel is arranged above the upper template.

The bag blank sequentially passes through a pre-needling component, a gluing component, a forming component and a stretch breaking component, the pre-needling component intermittently needles the continuous bag blank, the needle-punched part is a separation part and is a bag opening and a bag bottom of the bag body, after needling, the bag blank continuously moves forwards, the gluing component glues one side of the bag blank and then enters a forming station, two sides of the bag blank are upwards folded along two side edges of an upper template and a lower template, one side of the glued side is covered on the other side, the bag blank is rolled by an upper pressing roller to form a cylindrical shape, the side inserting plates are pressed in from two sides, two sides of the cylindrical bag blank are inwards folded to form an M shape, after forming, the bag blank enters a stretch breaking station, the pulling roller is matched with a pulling roller to stretch and break the bag body from the continuous bag blank to form a unit bag body, and the broken part is the needle-punched part, so that the bag opening is flat and the needles are denser, and the effect is better; and the pre-needling roller, the traction roller and the pull roller all run continuously, namely, the bag blank is pre-needled and stretch-broken in the conveying process, so that the continuous production is realized.

Preferably, the blowing frame is including fixed plate, cantilever and drive cantilever luffing motion's driving piece one, two sets of about fixed plate and cantilever all are equipped with, be equipped with first silo and retaining member on the fixed plate, the one end of cantilever is equipped with convex second silo, the other end of cantilever is installed in the pivot, the both ends of pivot are rotated and are installed on the fixed plate, the fixed plate can be removed the removal and install in the frame. When reloading, the cantilever swings downwards to receive the material shaft of the roll paper, then swings upwards to convey the material shaft to the first trough of the fixing plate, the roll changing is very convenient, and the transverse position of the fixing plate on the rack can be adjusted according to the width of the roll paper and the position required by forming.

As preferred, drop feed mechanism is still including the part of rectifying, the part of rectifying is including rectifying the roller, rectifying a deviation seat, supporting seat, position sensor and drive and rectify a pivoted driving piece two, rectify the roller and transversely install on rectifying a deviation seat, the supporting seat is installed in the frame, be equipped with gyro wheel and pivot on the supporting seat, the vertical setting of pivot, on the gyro wheel was arranged in to eccentric seat, just the one end and the pivot of eccentric seat rotate to be connected, position sensor and driving piece two are connected with the electropneumatic controller. In the traction process, when the bag blank deviates, the position sensor sends information to the electric controller, the electric controller sends an instruction to the driving part II to drive the deviation correcting roller to horizontally rotate by a proper angle, so that the bag blank horizontally moves around the deviation correcting roller until the transverse position of the bag blank is in a set range, and therefore the transverse position of the bag blank is guaranteed to be kept in a specified range.

As preferred, first silo has set the retaining member, and the retaining member of telling is including rotating swing arm and the locking arm of installing on the fixed plate, the one end setting of swing arm is in first silo one end, and the other end of swing arm is connected with the handle, locking arm one end sets up the other end at first silo, and the other end of locking arm is equipped with the locking groove, be equipped with on the swing arm with locking groove complex annular locking buckle. The locking piece locks the material shaft in the first trough, so that the material shaft cannot be separated from the rack when rotating, and the safety performance is improved.

Preferably, the pre-licker-in comprises a licker-in, a rubber roller and an adjusting component for adjusting the distance between the rubber roller and the licker-in; it is including axis of rotation and drive roll for the carry over pinch rolls, be equipped with the rubber sleeve with the drive roll pressfitting in the axis of rotation, the rubber sleeve is equipped with two sets, and sets up in both sides. The rubber sleeve increases friction force, improves the stability of conveying the bag blank, and pulls the bag blank at two sides, reduces the contact with the bag surface, avoids the bag surface from being damaged, and improves the product quality.

Preferably, the pre-pricking component also comprises

The pre-pricking machine set comprises a left housing, a right housing and a safety door, wherein the left housing, the right housing and the safety door are surrounded to form a safety cavity, the safety door is arranged on the left housing and the right housing, and the safety door is arranged at a material inlet end;

the device comprises a baffle for isolating a pre-pricking roller, a safety cavity, a glue applying component and a pre-pricking roller, wherein the baffle is obliquely arranged on a left housing window and a right housing window;

and the guide rollers comprise output guide rollers, and the output guide rollers are at least two and are respectively arranged at two ends of the baffle. The pre-pricking roller is isolated in the pre-pricking cavity, the safety door is opened only when the pre-pricking roller is maintained and penetrated with paper, the pre-pricking roller is exposed, and the pre-pricking roller is hidden in the pre-pricking cavity and is not exposed at ordinary times, particularly during working, so that potential safety hazards of the pre-pricking roller are eliminated, and the production safety is improved.

Preferably, the two groups of pulling rolls are divided into a first pulling roll and a second pulling roll which are synchronous; and a press roller is arranged between the first pull roller and the second pull roller and comprises a carrier roller and a press wheel, the press wheel is arranged on the rotating shaft, and the press wheel is pressed with the carrier roller. The two groups of pull rollers increase the pulling force, and the compression rollers play an auxiliary role, so that the bag blank is conveyed forwards, the bag blank is prevented from jumping in the conveying process, and the stability of the stretch-breaking operation is ensured.

Preferably, the paper bag machine further comprises a film sticking mechanism which is arranged behind the transverse cutting mechanism, and the film sticking mechanism comprises

The film placing component comprises a moving seat, an air expansion shaft and a driving component for driving the moving seat to move transversely on the frame, and the air expansion shaft is arranged on the moving seat;

and a film pasting component which comprises a glue spraying head and a composite roller. The material shaft sleeve of reel membrane is established on the inflatable shaft, according to the horizontal position of bag base on the frame, adjusts the horizontal position of film on the frame through drive assembly, makes the film set up the one side at the bag base, and the two have partial coincidence, the head of spouting is then to the bag base with the overlapping position rubberizing of film, the bag base after rubberizing is in the same place with the film through compound roller bonding.

Preferably, a needling roller is arranged on the moving seat, and the needling roller and the traction roller rotate synchronously. The film is provided with the air holes through the needling roller, so that consumers can directly see the articles in the bag body through the film and can ventilate the air inside and outside the bag body through the air holes, and the film is more suitable for food packaging.

Preferably, the needling roller comprises a needle roller and an auxiliary roller pressed with the needle roller, needles are uniformly distributed on the roller surface of the needle roller, and needle grooves corresponding to the needles are formed in the auxiliary roller. When the needle roller and the auxiliary roller are pressed, the needle penetrates through the film and is inserted into the needle groove, the needle head is damaged, and the service life of the needle roller is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view 1 of the discharge mechanism of the present invention.

Fig. 3 is a schematic view 2 of the discharge mechanism of the present invention.

Fig. 4 is a schematic view 3 of the discharge mechanism of the present invention.

FIG. 5 is a schematic diagram of a deviation correcting member according to the present invention.

Fig. 6 is a schematic view of the retaining member of the present invention.

Fig. 7 is a top view of the cross cutting mechanism and forming mechanism of the present invention.

FIG. 8 is a schematic view of the pre-needling assembly of the present invention.

Fig. 9 is a schematic view of a snap-off feature of the present invention.

Detailed Description

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The paper bag machine comprises a material placing mechanism 40, a transverse cutting mechanism 50 and a forming mechanism 30, wherein the material placing mechanism comprises a material placing component, the material placing component comprises a material placing frame, the transverse cutting mechanism comprises a pre-piercing component 51 and a breaking component 52, the pre-piercing component comprises a pre-piercing roller 63, a bag blank is rolled by the pre-piercing roller, a transverse needle-piercing line is formed on the bag blank, the needle-piercing line is the breaking line, the bag body is separated from the bag blank from the needle-piercing line to form a unit bag body, the needle-piercing line can be used as a bag opening of a previous bag body and also can be used as a bag bottom of a next bag body, the breaking component is arranged in front of the pre-piercing component, the breaking component 52 comprises a traction roller 53 and a pull roller 54, the pull roller is arranged in front of the traction roller, the rotation speed of the pull roller 54 is higher than that of the traction roller 53, the bag body is broken by utilizing the speed ratio, the pull roller comprises an upper roller 66 and a lower roller 65, the bag blank conveying device comprises an upper roller, a lower roller, a convex strip 67, a unit bag body and a conveying device, wherein the convex strip 67 is arranged on the roller surface of the upper roller and is in press fit with the lower roller, the convex strip is transversely arranged, the convex strip 67 of the upper roller is in press fit with the lower roller 65 to quickly pull the bag blank forwards, the pre-piercing part on the bag blank is disconnected by utilizing a speed difference, the bag blank is pulled apart to form the unit bag body, gaps are formed between other parts of the upper roller and the lower roller, in the process, the bag blank passes through the gap between the upper roller and the lower roller to be conveyed forwards, and the conveying length of the bag blank is the length of the unit bag body; the forming mechanism 30 is arranged between the pre-needling component 51 and the stretch-breaking component 52, the forming mechanism comprises an upper gluing component 57 and a forming component, the forming component comprises an upper pressing wheel, an upper template 83, a lower template and a side inserting wheel 82, an inserting edge gap for inserting the side inserting wheel is arranged between the upper template and the lower template, the side inserting wheel 82 is arranged at the left side and the right side of the upper template and the lower template, the upper pressing wheel is arranged above the upper template, the upper template and the lower template are arranged on a material guide plate, after one side edge of the bag blank is glued, the two sides of the bag blank are upwards folded along the left edge and the right edge of the upper template and the lower template and are covered on the upper template and the lower template, one side of the bag blank after being glued is covered on the other side, the bag blank and the bag blank are bonded to form a cylindrical shape, the side inserting wheel 82 enables the two sides of the cylindrical bag blank to be inwards folded to form an M shape, the formed bag blank enters a stretch-breaking station, and the bag body is broken from the continuous bag blank by utilizing the speed difference between the pulling roller 54 and the pulling roller 53, forming a unit bag body, wherein the bag opening of the bag body is flat because the needling lines are arranged on the bag blank, and the effect is better as the needling is denser; the pre-needling roller 63, the drawing roller 53 and the pulling roller 54 all run continuously, namely, the bag blank is pre-needled, formed and pulled to be broken in the conveying process, so that the efficiency is higher.

The feeding frame comprises a fixed plate 3, a cantilever 6 and a driving part 26I for driving the cantilever to swing up and down, the driving part I can adopt an air cylinder, a hydraulic cylinder and the like, the fixed plate 3 and the cantilever 6 are respectively provided with a left group and a right group, the two cantilevers are arranged at the inner sides of the two fixed plates, the fixed plate is provided with a first trough 5 and a locking part 4, the locking part locks a material shaft 7 in the first trough, so that the material shaft can not be separated from the first trough 5 when rotating, the use safety is improved, one end of the cantilever 6 is provided with a second trough 9, the other end of the cantilever is arranged on a rotating shaft 27, two ends of the rotating shaft are rotatably arranged on the fixed plate 3, the cantilever 6 swings down to a material loading station, at the moment, the height of the second trough 9 of the cantilever is not higher than that of the material shaft 7 of roll paper, the material shaft is moved to the position of the second trough 9 of the cantilever, and the cantilever 6 swings up, in the cantilever's second silo was arranged in to the stub shaft, the cantilever swung to the unloading station, and the second silo was close with first silo 5 height this moment, stub shaft in the second silo then rotated to the first silo of fixed plate in, so realize changing the book, for making the stub shaft in the second silo 9 get into first silo 5 smoothly, the discharge end of second silo extends forward has plane slip section 10, the second silo is a little higher than first silo, when the cantilever swung to ejection of compact station, the discharge end of cantilever was down, slip section 10 downward sloping, stub shaft 7 then the discharge end roll-off of second silo 9 gets into slip section 10, then falls to the first silo 5 of fixed plate in, and it is more laborsaving to change the book like this. Fixed plate 3 can remove the left and right sides and install in frame 2, according to the width of roll web and container bag forming mechanism's position, adjusts fixed plate 3 and material axle 7 lateral position in the frame, be equipped with screw rod 8 and guide arm 28 in the frame, screw rod and guide arm all transversely set up, be equipped with nut 29 on the screw rod, the nut is installed on fixed plate 3, be equipped with the guiding hole that supplies the guide arm to pass on the fixed plate, the screw rod is connected with hand wheel 11, rotates the hand wheel and makes screw rod 8 rotate, and nut 29 takes fixed plate 3 to adjust the roll web lateral position in the frame along guide arm 28 lateral shifting. The drop feed mechanism still includes the part 1 of rectifying, the part 1 of rectifying is including rectifying roller 12, the seat 15 of rectifying, supporting seat 17, position sensor and drive the seat pivoted drive piece two 14 of rectifying, rectify roller 12 and transversely install on the seat 15 of rectifying, supporting seat 17 is installed on frame 2, be equipped with gyro wheel 16 and pivot 18 on the supporting seat, the vertical setting of pivot, the eccentric seat is arranged in on the gyro wheel, just the one end and the pivot 18 of eccentric seat 15 rotate to be connected, and gyro wheel 16 is provided with four groups, holds the seat of rectifying, and the seat of rectifying is rectified in the drive of drive piece two 14 drives and rotates on the gyro wheel with pivot 18 as the center, and the frictional force of gyro wheel and eccentric seat is little, does benefit to the eccentric seat and rotates, position sensor and drive piece two 14 are connected with the electropneumatic controller, position sensor sets up the sideline position department at the bag base, and position sensor can adopt photoelectric sensor, presetting the position range of the edge line of the bag blank, if the edge line of the bag blank exceeds the left boundary line, sending information to an electric controller by a position sensor, sending an instruction to a driving piece II by the electric controller to drive the eccentric seat to rotate clockwise, and enabling the eccentric roller to deflect clockwise, so that the bag blank wound on the eccentric roller deflects rightwards, and the bag blank returns to the set position; if the side line of the bag blank exceeds the right limit, the driving part II rotates the eccentric seat anticlockwise to Odong, and the eccentric roller anticlockwise deflects to enable the bag blank to deflect leftwards. The other end of the deviation rectifying seat 15 is provided with a connecting rod 13, the second driving part is installed on the supporting seat 17 and hinged to the connecting rod 13, the second driving part can be a screw mechanism or an air cylinder, the second driving part pushes the connecting rod, so that the deviation rectifying seat rotates anticlockwise around a rotating shaft 18, and the connecting rod is pulled back by the driving part, and the deviation rectifying seat rotates clockwise around the rotating shaft. The locking part 1 comprises a swing arm 21 and a locking arm 24 which are rotatably installed on a fixing plate, one end of the swing arm is arranged at one end of a first trough 5, the other end of the swing arm is connected with a handle 19, one end of the locking arm 24 is arranged at the other end of the first trough 5, the other end of the locking arm is provided with a locking groove 23, the swing arm 21 is provided with an annular locking buckle 25 matched with the locking groove, the swing arm and the locking arm are both hinged with the fixing plate 3, the swing arm is arranged above the first trough, when the reel is changed, the handle 19 is driven to swing upwards, the hinged part 22 of the swing arm and the fixing plate is in front of the locking buckle, the hinged part 20 of the swing arm and the locking buckle is behind, the locking buckle, the fixing plate and the locking arm are in a loose state, the locking arm can be separated from the locking buckle, the opening of the first trough 5 is opened, a material shaft which is used up is taken out, and the material shaft of new roll paper enters the first trough 5 of the fixing plate from a second trough 9, and the locking arm 24 is swung upwards after the feeding, and is pressed tightly with the fixed plate 3, at the moment, the opening of the trough 5 is blocked by the locking arm, the locking buckle 25 is rotated in the locking groove 23, the handle 19 is pressed downwards, the swing arm swings backwards, the hinged part 20 of the swing arm and the locking buckle is made to be in front, the hinged part of the swing arm and the fixed plate is at the back of the locking buckle 22, the locking buckle, the fixed plate and the locking arm are tensioned, the locking arm is locked by the locking buckle, and therefore, when the feeding is carried out, the material shaft cannot be separated from the first trough.

The pre-pricking roller comprises a pricking roller 63, a rubber roller 62 and an adjusting assembly 64 for adjusting the distance between the rubber roller and the pricking roller, the adjusting assembly can be combined by a screw rod mechanism and a guide piece, the guide piece can be a guide rod or a linear guide rail and the like, the rubber roller 62 is arranged on a roller seat, the roller seat is in sliding fit with the guide piece, a nut of the screw rod mechanism is connected with the roller seat, a screw rod of the screw rod mechanism is arranged on a rack and rotates the screw rod, so that the nut and the roller seat move on the guide piece, the distance between the rubber roller 62 and the pricking roller 63 is adjusted, the larger the distance between the nut and the roller seat is, the shallower the prick is the prick, the smaller the distance between the nut and the pricking roller is the needle, and the deeper and the larger the needle hole is the smaller. In order to avoid slipping in the breaking process, the raised lines 67 are made of rubber, the friction force of the rubber is large, the friction force between the raised lines and the bag blanks is increased, the bag blanks are broken when the raised lines and the lower rolls are pressed, two groups of pulling rollers are arranged and are divided into a first pulling roller 54 and a second pulling roller 56, the two groups of pulling rollers are synchronous, the pulling force and the stability are increased, and the smooth and stable breaking operation is ensured. Similarly, the traction roller 3 can also be made of rubber, the traction roller comprises a rotating shaft and a driving roller, the rotating shaft is provided with two sets of rubber sleeves 75 pressed with the driving roller, and the rubber sleeves are arranged on two sides. The rubber sleeve increases friction force, improves the stability of conveying the bag blank, and pulls the bag blank at two sides, reduces the contact with the bag surface, avoids the bag surface from being damaged, and improves the product quality. For raise the efficiency, reduce cost, the sand grip is provided with a plurality of, and along the circumference roll surface evenly distributed of last roller, and this embodiment has adopted two, and the pressfitting of sand grip 67 and lower roll is the operation of once breaking at every turn, therefore the pull roll rotates a week and can carry out twice the operation of breaking. A certain stroke is provided from the traction roller to the pull roller, a press roller 55 is arranged between the first pull roller 54 and the second pull roller 56, the press roller comprises a carrier roller and a press wheel 68, the press wheel is arranged on a rotating shaft 69, and the press wheel and the carrier roller are pressed together. The compression roller plays a role in auxiliary conveying, so that the bag blank moves forwards, the bag blank is prevented from jumping in the conveying process, and the stability of the stretch-breaking operation is ensured. The bearing roller rotates and installs in the frame, pivot 69 is installed on fixing base 70, install screw rod 72 on the fixing base, the screw rod overcoat is equipped with spring 71, be equipped with the mounting groove in the frame, the top of mounting groove is equipped with fixed plate 74, set up the through-hole that supplies the screw rod to pass on the fixed plate, the mounting groove is arranged in to the fixing base, the spring sets up between fixing base and fixed plate, the screw rod passes the nut 73 threaded connection of through-hole and fixed plate top. The distance and pressure between the pressing wheel 68 and the carrier roller can be adjusted according to the thickness of the bag blank, so that the bag blank conveying and stretch-breaking operation is stable.

The upper template 83 and the lower template with different specifications can be replaced according to the width of the bag body, the position of the side insertion wheel 82 can also be adjusted, the side insertion wheel is divided into a left insertion wheel and a right insertion wheel, the left insertion wheel and the right insertion wheel are respectively rotatably arranged on the left socket and the right socket 81, the left socket and the right socket are connected with an adjusting component for driving the left socket and the right socket to move left and right, and the left insertion wheel and the right insertion wheel are transversely adjusted according to the width and the side depth of the bag body. Adjusting part is including screw rod, nut and linear guide 84, does not draw screw rod and nut in the picture, screw rod and linear guide transversely install in the frame, the last slip of linear guide is equipped with left slide 81 and right slide, the nut is including left nut and right nut, left nut and left slide are installed on left socket, right nut and right slide are installed on right socket, the screw thread at screw rod both ends is revolved to opposite, left side nut matches with the screw rod left end, right side nut matches with the screw rod right-hand member, during the regulation, rotates the screw rod, revolves to opposite because of both ends for left nut and right nut move or reverse movement along linear guide in opposite directions, thereby adjust the horizontal position that inserts wheel, the right side inserted wheel simultaneously, it is more swift like this.

The pre-needling component also comprises a pre-needling unit, a baffle 61 for isolating the pre-needling rollers and a guide roller 60, wherein the pre-needling unit comprises a left housing window 58, a right housing window 59 and a safety door, the safety door is not shown in the figure, the safety door, the left housing window and the right housing window are enclosed to form a safety cavity, the safety door is arranged on the left housing window and the right housing window and is arranged at a material inlet end, and the needling rollers 63 and the rubber rollers 62 are rotatably arranged on the left housing window and the right housing window; the baffle 61 is obliquely arranged on the left memorial archway and the right memorial archway, the safety cavity is divided into a pre-puncturing cavity and a gluing cavity by the baffle, the pre-puncturing cavity is arranged below the gluing cavity, the gluing part 57 is arranged in the gluing cavity, and the pre-puncturing roller is arranged in the pre-puncturing cavity; the guide roller comprises an output guide roller, the number of the output guide rollers is two, the first output roller and the second output roller 60 are arranged at two ends of the baffle respectively, the bag blank penetrates through the pre-pricking roller, then sequentially bypasses the first output roller and the second output roller, and then penetrates through the traction roller and the pull roller. The pre-pricking roller is isolated in the pre-pricking cavity, the safety door is opened only during maintenance and paper threading, the pre-pricking roller is exposed outside, and the pre-pricking roller is hidden in the pre-pricking cavity and is not exposed at ordinary times, particularly during working, so that contact between workers and the pricking roller is avoided, potential safety hazards of the pricking roller are eliminated, and production safety is improved.

The paper bag machine further comprises a film sticking mechanism which is arranged behind the transverse cutting mechanism, the film sticking mechanism comprises a film placing part 33 and a film sticking part, the film placing part comprises a moving seat 36, an air expansion shaft 34, a needling roller 35 and a driving component for driving the moving seat to transversely move on the frame, the air expansion shaft 34 and the needling roller 35 are installed on the moving seat, a material shaft of the rolled film is sleeved on the air expansion shaft 34, the air expansion shaft is propped open to fix the material shaft of the film, the driving component comprises a guide rod 37 and a screw rod 39 which are transversely installed on the frame, a guide sleeve 38 is arranged on the guide rod in a sliding mode, matched nuts are arranged on the screw rod, the guide sleeve and the nuts are both installed on the moving seat 36, a hand wheel 31 is installed on the screw rod, the hand wheel is rotated, the screw rod rotates to enable the nut and the moving seat to transversely move along the guide rod, and the transverse position of the rolled film on the frame is adjusted. The film pasting component comprises a glue spraying head 43 and a composite roller 44, the needling roller 35 and a traction roller 53 synchronously rotate, the needling roller comprises a needle roller 41 and an auxiliary roller 42 pressed with the needle roller, the needle roller 41 and the auxiliary roller 42 are rotatably installed on a movable seat 36, needles are uniformly distributed on the roller surface of the needle roller, needle grooves corresponding to the needles are formed in the auxiliary roller, the composite roller can adopt a single roller, namely, a glued bag blank and a glued film are pressed on the surface of the composite roller to realize compounding, the composite roller can also adopt a first roller and a second roller which are pressed mutually, and the glued bag blank and the glued film are bonded together under the rolling of the first roller and the second roller. Before film pasting, the transverse position of a winding drum film is adjusted according to the position of roll paper, the film is arranged on one side of a bag blank, the film and the bag blank are partially overlapped, a glue spraying head can spray glue on the bag blank or the film, the bag blank is glued, if the film is arranged on the right side of the bag blank, the glue spraying head 43 is arranged on the right side of the bag blank, namely the glue is glued on the right side of the bag blank and is bonded with the left side edge of the film, a traction roller pulls the film and the bag blank to move forwards, the film passes through a needling roller 35, a needle roller 41 and an auxiliary roller 42 for rolling, a needle on the needle roller penetrates through the film and is inserted into a needle groove, air holes are formed in the film, the needled film and the glued bag blank enter a compound roller 44 together, and the first roller and the second roller are pressed to bond the bag blank and the film into a whole.

The web is placed in a first material tank 5, a roll film is sleeved on an air expansion shaft 34, a traction roller 53 pulls the web and the roll film to move forwards, the roll film is rolled by a needling roller 35 to form air holes, then passes through a glue spraying head 43, the glue spraying head sprays glue on one side edge of a bag blank, the film and the bag blank enter a compound roller, the film and the bag blank are stuck together by rolling and then enter a pre-needling station, a pre-needling roller 63 performs intermittent needling on the continuous bag blank, the needling position is a separation position, after needling, the bag blank continues to move forwards, a gluing part glues the other side of the bag blank and then enters a forming station, two sides of the bag blank are folded upwards along two side edges of an upper template and a lower template, one side of the gluing is covered on the other side, the bag blank is rolled by an upper pressing roller to form a tube shape, side insertion wheels are pressed from two sides, two sides of the tube-shaped bag blank are folded inwards to form an M shape, and enter a breaking station after forming, the pulling rollers and the pulling rollers are matched to break the bag bodies from the continuous bag blanks to form unit bag bodies.

Claims

1. A paper bag machine is characterized in that: comprises that

a transverse cutting mechanism which comprises

A pre-needling component which comprises a pre-needling roller,

the stretch breaking component is arranged in front of the pre-piercing component and comprises a traction roller and a pull roller, the pull roller is arranged in front of the traction roller, the rotating speed of the pull roller is higher than that of the traction roller, the pull roller comprises an upper roller and a lower roller, a convex strip pressed with the lower roller is arranged on the surface of the upper roller, and the convex strip is transversely arranged;

A gluing part is arranged on the upper surface of the frame,

2. The paper bag machine according to claim 1, characterized in that: the blowing frame is including fixed plate, cantilever and drive cantilever luffing motion's driving piece one, two sets of about fixed plate and cantilever all are equipped with, be equipped with first silo and retaining member on the fixed plate, the one end of cantilever is equipped with convex second silo, the other end of cantilever is installed in the pivot, the both ends of pivot are rotated and are installed on the fixed plate, the fixed plate can be moved about and install in the frame.

3. The paper bag machine according to claim 1, characterized in that: drop feed mechanism is still including the part of rectifying, the part of rectifying is including rectifying the roller, rectifying a deviation seat, supporting seat, position sensor and drive and rectify a pivoted driving piece two, the roller of rectifying a deviation is transversely installed on the seat of rectifying a deviation, the supporting seat is installed in the frame, be equipped with gyro wheel and pivot on the supporting seat, the vertical setting of pivot, on the gyro wheel was arranged in to eccentric seat, just the one end and the pivot of eccentric seat rotate to be connected, position sensor and driving piece two are connected with electropneumatic controller.

4. The paper bag machine according to claim 1, characterized in that: first silo has set the retaining member, and the retaining member of telling is including rotating swing arm and the locking arm of installing on the fixed plate, the one end setting of swing arm is in first silo one end, and the other end of swing arm is connected with the handle, locking arm one end sets up the other end at first silo, and the other end of locking arm is equipped with the locking groove, be equipped with on the swing arm with locking groove complex annular locking buckle.

5. The paper bag machine according to claim 1, characterized in that: the pre-pricking roller comprises a pricking roller, a rubber roller and an adjusting component for adjusting the distance between the rubber roller and the pricking roller; it is including axis of rotation and drive roll for the carry over pinch rolls, be equipped with the rubber sleeve with the drive roll pressfitting in the axis of rotation, the rubber sleeve is equipped with two sets, and sets up in both sides.

6. The paper bag machine according to claim 1, characterized in that: the pre-pricking component also comprises

and the guide rollers comprise output guide rollers, and the output guide rollers are at least two and are respectively arranged at two ends of the baffle.

7. The paper bag machine according to claim 1, characterized in that: the two groups of pulling rollers are divided into a first pulling roller and a second pulling roller which are synchronous; and a press roller is arranged between the first pull roller and the second pull roller and comprises a carrier roller and a press wheel, the press wheel is arranged on the rotating shaft, and the press wheel is pressed with the carrier roller.

8. The paper bag machine according to claim 1, characterized in that: the paper bag machine further comprises a film sticking mechanism which is arranged behind the transverse cutting mechanism, and the film sticking mechanism comprises

The film placing component comprises a moving seat, an air expansion shaft and a driving assembly for driving the moving seat to move transversely on the frame, and the air expansion shaft is arranged on the moving seat;

and a film pasting component which comprises a glue spraying head and a composite roller.

9. The paper bag machine according to claim 8, characterized in that: the movable seat is provided with a needle-punching roller, and the needle-punching roller and the traction roller rotate synchronously.

10. The paper bag machine according to claim 8, characterized in that: the needling roller comprises a needle roller and an auxiliary roller pressed with the needle roller, needles are uniformly distributed on the roller surface of the needle roller, and needle grooves corresponding to the needles are formed in the auxiliary roller.