CN107089376B

CN107089376B - Paper diaper automatic packaging machine's wrapping bag conveying mechanism

Info

Publication number: CN107089376B
Application number: CN201710407016.8A
Authority: CN
Inventors: 厉勇; 徐启源
Original assignee: Zhejiang Dingye Machinery Co Ltd
Current assignee: Zhejiang Dingye Machinery Co Ltd
Priority date: 2017-06-02
Filing date: 2017-06-02
Publication date: 2022-12-02
Anticipated expiration: 2037-06-02
Also published as: CN107089376A

Abstract

The invention discloses a packaging bag conveying mechanism of an automatic paper diaper packaging machine, which is characterized in that a conveying belt mechanism and a bag absorbing mechanism are matched to convey packaging bags and open the packaging bags, the packaging bags stop when being conveyed to the corresponding positions of the bag absorbing mechanism, the bag absorbing mechanism finishes bag opening, the paper diapers can be conveyed to the bag openings by the paper diaper conveying mechanism matched with the packaging bag conveying mechanism and pushed into the packaging bags by a pushing mechanism, the paper diaper conveying mechanism and the pushing mechanism continue to push the packaging bags filled with the paper diapers to enable the packaging bags to be separated from a positioning column group, and the packaging bags are pushed to a sealing and cutting mechanism to be sealed and cut; the whole automatic processing of the automatic diaper packaging machine can be effectively realized, and the processing efficiency and the processing quality are improved. The automatic action of conveyer belt body is through one send a bag to detect sensor control, can start the conveyer belt when not having the wrapping bag and carry next a set of wrapping bag, realizes automated production.

Description

Paper diaper automatic packaging machine's wrapping bag conveying mechanism

Technical Field

The invention relates to a product conveying and bag opening device, in particular to a packaging bag conveying mechanism of an automatic diaper packaging machine.

Background

For the existing production and packaging of paper diapers, a set of better production line is not provided for realizing the ordered automatic conveying of the paper diapers, and then a series of steps of bagging, sealing and removing sealing waste materials are completed. Therefore, for most manufacturers, the diaper packaging is realized by selecting a manual or semi-automatic mode, so that the steps of bagging, sealing and waste removing are separated, and the connection work is completed by workers in an auxiliary mode, so that the production efficiency is greatly influenced, manual touch is not sanitary enough, and the quality is difficult to ensure. The conveying of the packaging bags and the opening of the bag openings of the packaging bags are one process which is difficult to realize automation, and the key for improving the production efficiency and the production quality is how to realize the smooth conveying in the structure and finish the bag opening.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the packaging bag conveying mechanism of the automatic diaper packaging machine, which has a simple and compact structure, can effectively realize conveying and bag opening of packaging bags, can be well matched with other mechanisms and is beneficial to realizing integral automatic packaging in a matching way.

The invention provides the following technical scheme: a packaging bag conveying mechanism of an automatic packaging machine for paper diapers comprises a conveying belt mechanism and a bag suction mechanism arranged on the side edge of the conveying belt mechanism, wherein the conveying belt mechanism comprises a conveying belt body which runs in an annular mode, and a plurality of positioning column groups which are arranged on the conveying belt body at intervals along the conveying direction, the positioning column groups are arranged close to the side where the bag suction mechanism is located, packaging bags are sleeved on the positioning column groups, the conveying belt body is driven by a motor to perform rated action so that the positioning column groups reach the front of the bag suction mechanism to be stopped, a bag feeding detection sensor is arranged on the conveying belt mechanism at a position corresponding to the bag suction mechanism, and when the bag feeding detection sensor detects that no packaging bag exists at the corresponding position of the bag suction mechanism, the motor is started to convey the next positioning column group to the front of the bag suction mechanism; the bag suction mechanism comprises a movable support and a bag suction head arranged on the movable support, the bag suction head extends upwards from the movable support and forwards to the upper part of the conveying belt body, and when the movable support drives the bag suction head to descend, the bag suction head sucks a packaging bag arranged on the positioning column group; when the movable support drives the bag suction head to ascend, the bag opening at the upper part of the packaging bag is sucked by the bag suction head to finish the opening of the packaging bag.

As an improvement, the conveying belt body is formed by sequentially and hingedly arranging a plurality of conveying plates into a ring shape, and the ring-shaped conveying plates are wound on the driving wheel; the hinged position of adjacent delivery boards is downwards provided with a limiting part, the circumferential surface of the driving wheel is provided with a groove matched with the limiting part, and when the delivery boards run to the position of the driving wheel, the limiting part enters the groove to enable the driving wheel to drive the delivery boards to rotate.

As an improvement, the whole of the limiting part is cylindrical, the grooves are arc-shaped and matched with the limiting part, and the grooves are uniformly arranged on the circumferential surface of the driving wheel.

As an improvement, the conveying plate is provided with a mounting hole for mounting the positioning column group, the mounting hole is arranged in a waist shape along the conveying direction of the conveying plate, and the positioning column group is mounted on the mounting hole; the locating column group uses two solitary locating column bodies to set up for a set of installation on the delivery board, and two locating column bodies are installed in the mounting hole of different delivery boards and by the waist shape adjustment interval of mounting hole, make the distance between different intergroups suit, make the distance of two solitary locating column bodies suit.

As an improvement, conveyer belt mechanism includes the side frame, and the side frame is located the conveyer belt body and extends the setting to the opposite side of inhaling bag mechanism and along conveyer belt body direction of delivery, and this side frame leans out the setting and send a bag detection sensor at the position setting that inhales bag mechanism and correspond.

As an improvement, a material detection sensor is arranged on the conveying belt mechanism and is positioned at the side edge of the conveying belt body to detect whether a packaging bag is arranged on the positioning column group conveyed from the input end; the bag opening detection sensor is arranged on the bag suction head and detects whether the bag opening is normally sucked, ascended and opened when the bag suction head ascends.

As an improvement, the movable support can be arranged on a slide rail in a vertically sliding manner, the movable support comprises mounting frames extending towards two sides, the mounting frames at the two sides are respectively provided with a bag absorbing head, and the slide rail is connected and matched with the middle part of the movable support; the bag suction head comprises a suction port and an extension pipe, the extension pipe is arranged on the mounting frame, extends upwards integrally and extends forwards to form an L shape, and the suction port is arranged at the far end of the upper part of the extension pipe.

As an improvement, the bag sucking mechanism further comprises a lifting mechanism, the lifting mechanism comprises a servo motor, a lower driving wheel, an upper driving wheel, a driving belt and a fixed support, the driving belt is wound on the upper driving wheel and the lower driving wheel and is vertically arranged, the lower driving wheel is connected with the servo motor and is linked with the servo motor, and the movable support is connected to the driving belt and is lifted when one side of the driving belt moves up and down; the servo motor is arranged on one side edge of the fixed support, the upper transmission wheel and the lower transmission wheel are positioned on the other side opposite to the servo motor, a balance shaft frame is arranged on the other side edge of the fixed support opposite to the upper transmission wheel, a rotatable balance shaft is arranged in the balance shaft frame, and the balance shaft is connected with the upper transmission wheel through the balance shaft.

As an improvement, the device also comprises a bag opening feeding mechanism and a material pushing mechanism which are matched with the packaging bag conveying mechanism, wherein the material pushing mechanism comprises a third track and a push plate which is arranged on the third track and can move up and down; a bag feeding mechanism is including setting up curb plate and the hypoplastron of setting in the lower part in both sides, curb plate and hypoplastron are mobilizable to be set up in the frame, curb plate and hypoplastron location are followed the panty-shape diapers that preface process propelling movement was come by the push pedal, the activity of curb plate and hypoplastron drives panty-shape diapers and carries forward, the front portion of curb plate can stretch into the place ahead and carry out the side by inhaling in the wrapping bag that bag mechanism opened and open the bag, the panty-shape diapers by push pedal propelling movement curb plate department get into the wrapping bag, later continue carrying panty-shape diapers forward to the preface process by curb plate and push pedal.

As an improvement, the material pushing mechanism further comprises a sliding frame, material pushing cylinders and swing frames, the sliding frame can be arranged on the third track in a sliding mode, the material pushing cylinders and the swing frames are respectively hinged to the sliding frame, piston rods of the material pushing cylinders are hinged to the swing frames, push plates are arranged on the lower portions of the left and right groups of swing frames after the middle portions of the left and right groups of swing frames extend oppositely, and the push plates move up and down under the action of the piston rods of the material pushing cylinders to control the swing frames to rotate; the third tracks and the push plates are two groups, the two groups of third tracks and the push plates are arranged in parallel, when one group of push plates moves along the third tracks below, the other group of push plates are folded above to enable the two groups of push plates not to interfere with each other; two groups of third rails are correspondingly provided with two groups of transmission belts, the two groups of transmission belts are synchronously driven by a first servo motor, the transmission belts form a ring shape on the transmission shaft, the two groups of sliding frames are respectively connected with the ring-shaped lower section and the ring-shaped upper section of the transmission belts at the corresponding sides, and when the two groups of transmission belts synchronously move, the moving directions of the two groups of sliding frames are opposite;

the side plates and the lower plates are arranged in a left group and a right group to form an L shape with two symmetrical sides, the bag opening and feeding mechanism further comprises a slide rail, a slide block and a second screw rod, the slide block is slidably arranged on the slide rail and driven by a second servo motor, the lower plates at two sides are slidably arranged on the slide block, the second screw rod is arranged on the slide block, and nuts with opposite rotation directions are arranged on the lower plates and matched with the second screw rod; the outlet end of the side plate is provided with an insertion part extending out of the lower plate, and the height of the insertion part is gradually reduced towards the upper side and the lower side of the end part.

The invention has the beneficial effects that: the packaging bags are conveyed and opened by the cooperation of the conveying belt mechanism and the bag suction mechanism, a paper diaper conveying mechanism and a sealing and cutting mechanism are conveniently and vertically arranged on two sides of a certain position of the conveying belt mechanism, the positions of the paper diaper conveying mechanism and the sealing and cutting mechanism correspond to those of the bag suction mechanism, the bag suction mechanism stops when the packaging bags are conveyed to the corresponding position of the bag suction mechanism, the bag suction mechanism finishes opening the bags, the paper diapers can be conveyed to the opening of the packaging bags by the paper diaper conveying mechanism and pushed into the packaging bags by the pushing mechanism, the paper diaper conveying mechanism and the pushing mechanism continue to push the packaging bags provided with the paper diapers to enable the packaging bags to be separated from the positioning column group, and the packaging bags are pushed to the sealing and cutting mechanism for sealing and cutting; the whole automatic processing of the automatic diaper packaging machine can be effectively realized, and the processing efficiency and the processing quality are improved. The automatic action of the conveying belt body is controlled by a bag conveying detection sensor, and the conveying belt can be started to convey the next group of packaging bags when no packaging bag exists, so that automatic production is realized; the wrapping bag of input can set up in reference column group department or place by the staff of debugging through the manipulator, satisfies different use needs. The arrangement mode of the conveying belt mechanism and the bag suction mechanism also well utilizes the space, the conveying paper diapers and the conveying packaging bags are not interfered with each other and can be debugged respectively, and the monitoring and the maintenance of workers are facilitated.

Drawings

Fig. 1 is a schematic perspective view of the packaging bag conveying mechanism of the present invention.

Fig. 2 is a partial structural schematic diagram of the conveying belt mechanism of the invention.

Fig. 3 is a partial schematic perspective view of the first packaging bag conveying mechanism according to the present invention.

Fig. 4 is a partial schematic perspective view of the packaging bag conveying mechanism according to the second embodiment of the present invention.

Fig. 5 is a schematic perspective view of the automatic diaper packaging machine of the present invention.

Fig. 6 is a schematic perspective view of the bag-opening feeding mechanism of the present invention.

Fig. 7 is a schematic perspective view of the pushing mechanism of the present invention.

Fig. 8 is an enlarged view of a portion of a structure at a in fig. 7.

Fig. 9 is a side view of the pusher mechanism of the present invention.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

Fig. 1 to 9 show a specific example of a conveying mechanism for a packaging bag of an automatic diaper packaging machine according to the present invention. The bag conveying device comprises a conveying belt mechanism 1 and a bag sucking mechanism 2 arranged on the side edge of the conveying belt mechanism 1, wherein the conveying belt mechanism 1 comprises a conveying belt body 11 which runs in an annular mode, and a plurality of positioning column groups 12 which are arranged on the conveying belt body 11 at intervals along the conveying direction, the positioning column groups 12 are arranged close to the side where the bag sucking mechanism 2 is located, packaging bags are sleeved on the positioning column groups 12, the conveying belt body 11 is driven by a motor to perform rated action so that the positioning column groups 12 reach the front of the bag sucking mechanism 2 to stop, a bag conveying detection sensor 13 is arranged on the conveying belt mechanism 1 corresponding to the bag sucking mechanism 2, and when the bag conveying detection sensor 13 detects that no packaging bag exists at the corresponding position of the bag sucking mechanism 2, the motor is started to convey the next positioning column group 12 to the front of the bag sucking mechanism 2; the bag suction mechanism 2 comprises a movable support 21 and a bag suction head 22 arranged on the movable support 21, the bag suction head 22 extends upwards from the movable support 21 and forwards to the upper part of the conveying belt body 11, and when the movable support 21 drives the bag suction head 22 to descend, the bag suction head 22 sucks the packaging bags arranged on the positioning column group 12; when the movable support 21 drives the bag suction head 22 to ascend, the upper bag opening of the packaging bag is sucked by the bag suction head 22 to finish the opening of the packaging bag.

When the diaper packaging machine is used, a diaper is clamped by the bag-opening feeding mechanism 3, the far end of the bag-opening feeding mechanism 3 is provided with the packaging bag conveying mechanism, and the sealing and cutting packaging mechanism a is arranged opposite to the bag-opening feeding mechanism 3; by manipulator or conveying mechanism or manual work establish the wrapping bag on the locating column group 12 of 11 entry ends of conveyer belt, equidistant is debugged into on conveyer belt body 11 to a plurality of groups of locating column groups 12, it can make every group of locating column group 12 accurate reachs and inhale bagging-off mechanism 2 department to drive conveyer belt body 11 motion rated distance by the motor, every group of locating column group 12 can overlap a plurality of wrapping bags, every locating column body 121 of locating column group 12 sets up to the great structure in upper end, two-layer when overlapping on it of corresponding wrapping bag, there is the hole that penetrates locating column body 121 on the wrapping bag sack, after inhaling sack on bag head 22 and sucking the wrapping bag, it is pulled out locating column body 121 to go up the sack when inhaling bag head 22 and rising by movable support 21 drive, the sack is stopped to stay on locating column body 121 because of the great structure in upper end down, thereby the wrapping bag mouth opens. At this time, the opening of the packaging bag does not well adapt to the coverage area of the paper diaper, the far end of the side plate 31 is inserted into the packaging bag from two sides by the movement of the side plate 31 and the lower plate 32, the packaging bag can be unfolded to generate an opening which can completely adapt to the entering of the paper diaper, and the push plate 42 can push the paper diaper into the packaging bag from the bag opening feeding mechanism 3. With the continuous pushing of the bag feeding mechanism 3 or the continuous pushing of the pushing plate 42, the packaging bag can be pulled off from the positioning column body 121 and is conveyed forward to enter the sealing and cutting packaging mechanism a at the far end, the sealing and cutting packaging mechanism a holds and positions the packaging bag with the paper diapers, and the bag feeding mechanism 3 and the pushing mechanism 4 are retracted. After the bag opening and feeding mechanism 3 and the material pushing mechanism 4 are retracted, the bag sucking mechanism 2 sucks and opens the next packaging bag, and the bag opening and feeding mechanism 3 and the material pushing mechanism 4 work in a circulating and matching mode. A plurality of packaging bags can be sleeved at the position of each group of positioning column group 12, each group of positioning column group 12 is a station, and each station can stay for a period of time to supply a plurality of packaging bags; when the packaging bags are used up, the bag feeding detection sensor 13 can detect that no packaging bag exists, and can feed the packaging bags back to the motor to drive the conveying belt body 11 to operate so as to convey the packaging bags at the next station to the bag suction mechanism 2, and bag opening and feeding are continued. According to the invention, the conveying belt mechanism 1 and the bag absorbing mechanism 2 are matched to convey the packaging bags and open the packaging bags, so that the bag opening and feeding mechanism 3 and the material pushing mechanism 4 are conveniently and vertically arranged on two sides of the conveying belt mechanism 1, the integral automatic processing of the automatic packaging machine for the paper diapers is effectively realized, and the processing efficiency and the processing quality are improved. The automatic action of the conveyor belt body 1 is controlled by a bag conveying detection sensor 13, and the conveyor belt can be started to convey the next group of packaging bags when no packaging bag exists, so that the automatic production is realized; the wrapping bag of input can set up in reference column group department or place by the staff of debugging through the manipulator, satisfies different use needs. The arrangement mode of the conveying belt mechanism 1 and the bag suction mechanism 2 well utilizes the space, the conveying paper diapers and the conveying packaging bags are not interfered with each other and can be debugged respectively, and the monitoring and the maintenance of workers are facilitated.

As a modified embodiment, the conveyor belt body 11 is formed by sequentially and hingedly arranging a plurality of conveying plates 111 in a ring shape, and the ring-shaped conveying plates 111 are wound on a driving wheel 112; the hinge joint of the adjacent conveying plate 111 is arranged downwards to form a limiting member 113, the circumferential surface of the driving wheel 112 is provided with a groove 114 matched with the limiting member 113, and when the conveying plate 111 runs to the driving wheel 112, the limiting member 113 enters the groove 114 to enable the driving wheel 112 to drive the conveying plate 111 to rotate. Because the motor is in a movable rated distance, the accurate conveying belt body 11 is provided with the positioning column group 12 of the packaging bag to the bag suction mechanism 2, and the stable operation of the conveying belt body 11 is not deviated; the conveying belt body 11 is formed by hinging a plurality of conveying plates 111, is flexible and stable in structure, can be connected end to form a firm annular conveying structure, the upper surface is a main conveying surface, and the packaging bags are arranged on a positioning column group 12 on the upper surface; the hinged part of the conveying plate 111 is used as the limiting part 113, and the limiting part 113 can be clamped into the groove 114 when the conveying plate runs to the position of the driving wheel 112, so that the accurate positioning between the conveying belt body 11 and the driving wheel 112 is achieved, the conveying belt body 11 cannot slide in the conveying direction relative to the driving wheel 112, the accuracy of the running position of the conveying belt body 11 is ensured, and the matching transmission between the driving wheel 112 and the conveying belt body 11 is stable and firm.

As a modified embodiment, the limiting member 113 is cylindrical, the groove 114 is arc-shaped to match the limiting member 113, and the grooves 114 are uniformly arranged on the circumferential surface of the driving wheel 112. Through the design of the cylindrical limiting part 113, in the process that the conveying plate 111 runs and contacts the driving wheel 112, the cylindrical outer surface of the limiting part 113 can smoothly enter the groove 114 which is a smooth inner arc surface, the whole body is less worn during action, the conveying plate 111 stably does not move during running, the conveying of the packaging bag is stable, and conveying errors are avoided.

As a modified specific embodiment, the conveying plate 111 is provided with a mounting hole 115 for mounting the positioning column group 12, the mounting hole 115 is arranged in a waist shape along the conveying direction of the conveying plate 111, and the positioning column group 12 is mounted thereon; the positioning column group 12 uses two independent positioning column bodies 121 as a group to be installed on the conveying plate 111, the two positioning column bodies 121 are installed in the installation holes 115 of different conveying plates 111, and the distance between the two positioning column bodies 121 is adjusted by the waist shape of the installation holes 115, so that the distance between different groups is matched, and the distance between the two independent positioning column bodies 121 is matched. According to different specifications of paper diapers to be packaged, packaging bags with different sizes are matched, and therefore the mounting hole 115 structure convenient to debug is arranged, as shown in the figure, the mounting holes 115 on the conveying plates 111 are connected into a linear mounting and debugging structure on the side edge of the conveying plate 111, the positioning column bodies 121 can debug specific intervals between two positioning column bodies 121 and specific intervals between two groups of positioning column groups 12 through the waist-shaped mounting holes 115, two sides of the packaging bags are positioned on the two positioning column bodies 121, and feeding positioning suitable for different packaging bags is achieved after the positions of the positioning column bodies 121 are adjusted; the conveying plate 111 arranged in this way has strong adaptability, is convenient to debug, and is more convenient to process and package paper diapers of different specifications by one machine.

As a modified embodiment, the conveyor belt mechanism 1 includes a side frame 14, the side frame 14 is located at the other side of the conveyor belt body 11 opposite to the bag suction mechanism 2 and extends along the conveying direction of the conveyor belt body 11, and the side frame 14 is obliquely arranged outwards and is provided with a bag feeding detection sensor 13 at a position corresponding to the bag suction mechanism 2. The packaging bag has a certain width, and if the width of the conveying belt mechanism 1 is too wide, the cost is increased, and the instability of the conveying plate 111 in the width direction is increased; therefore, with the present embodiment, under the condition of arranging the conveying plate 111 with a proper width, the side frame 14 is obliquely arranged on the side edge, after the packaging bag is arranged on the positioning column group 12, a part of the packaging bag is positioned on the conveying belt body 11, and the far end of the packaging bag is positioned outside the conveying belt body 11 and supported by the side frame 14, so as to integrally convey the packaging bag well, and adapt to the supporting of the packaging bags with different specification lengths, so that the conveying belt body 11 has a proper width, and is convenient to process, manufacture and maintain. Meanwhile, the bag feeding detection sensor 13 is arranged at the position of the side frame 14, specifically, as shown in fig. 3, an opening is formed in the side frame 14, the bag feeding detection sensor 13 is arranged at the lower part of the opening, when a packaging bag exists, the bag feeding detection sensor 13 can accurately sense the material, when no material exists, the material can be timely sensed, the driving motor operates, and the conveying belt body 11 moves to feed the material; the bag-feeding detection sensor 13 does not need to be close to the conveying belt body 11, so that the reasonable arrangement of the bag-sucking mechanisms 2 on the side edge of the conveying belt body 11 is facilitated, and the arrangement and the movement of other mechanisms on the periphery of the conveying belt body 11 are facilitated.

As an improved specific embodiment, the conveyor belt mechanism 1 is provided with a material detection sensor 15, which is located at the side edge of the conveyor belt body 11 to detect whether a packaging bag is on the positioning column group 12 conveyed from the input end; the bag opening detection sensor 25 is arranged on the bag suction head 22, and the bag opening detection sensor 25 detects whether the bag opening is normally sucked, lifted and opened when the bag suction head 22 is lifted. For further improvement wrapping bag conveying mechanism and other mechanism complex accuracy and high efficiency, set up a plurality of sensor and detect the operational aspect, wherein material detection sensor 15 can detect whether have the wrapping bag on the reference column group 12, if do not place the wrapping bag because preorder mechanism trouble or workman omit, material detection sensor 15 can detect its position and do not have the wrapping bag, can stop conveying belt mechanism 1's operation, by the manual wrapping bag of mending of staff, move again, packaging quality has been improved, avoid the condition of no material to appear, avoid the production line confusion and the paralysis that diaper bagging-off failure arouses. On the other hand, the bag opening detection sensor 25 determines whether the bag opening is opened, if the bag opening is not normally opened during bag suction due to the problem of the bag opening, the paper diapers from the bag opening feeding mechanism 3 are likely to be unable to be pushed into the packaging bag, thereby causing disorder and paralysis of the production line; the bag opening detection sensor 25 stops the operation of the previous bag feeding mechanism 3 and the pushing mechanism 4 when the packaging bag is not detected, and continues to operate when the fault is eliminated, so that the disorder and the paralysis of the production line caused by the failure of the packaging of the paper diaper are avoided, and the packaging quality is improved.

As a modified specific implementation mode, the movable support 21 is arranged on a slide rail 23 in a vertically sliding manner, the movable support 21 comprises mounting frames 211 extending towards two sides, the mounting frames 211 at two sides are respectively provided with a bag suction head 22, and the slide rail 23 is connected and matched with the middle part of the movable support 21; the bag head 22 includes a suction port 221 and an extension pipe 222, the extension pipe 222 is provided on the mounting frame 211 and integrally extends upward to extend forward in an "L" shape, and the suction port 221 is provided at a distal end of an upper portion of the extension pipe 222. The movable support 21 is provided with an extension tube 222 at the mounting frame 211 extending towards two sides, and the space at the middle part is integrally formed for the side plate 31, the lower plate 32 and the push plate 42 to pass through, thereby completing the bagging of the paper diaper and the forward pushing of the packaging bag. Suction ports 221 formed at both sides at the upper end of the extension pipe 222 face downward, and suck the packing bag at both sides when ascending and descending, thereby sucking the upper portion of the packing bag upward smoothly and opening the bag mouth. The extension tube 222 is a hollow tube and is connected to the suction port 221, and the lower portion of the extension tube 222 can be externally connected to an air pump. The L-shaped extension tube 222 extends the suction opening 221 to a far position, so as to better adhere to the packing bag.

As a modified specific embodiment, the bag suction mechanism 2 further comprises a lifting mechanism 24, the lifting mechanism 24 comprises a servo motor 241, a lower transmission wheel 242, an upper transmission wheel 243, a transmission belt 244 and a fixed support 245, the transmission belt 244 is wound on the upper transmission wheel 243 and the lower transmission wheel 242 and is vertically arranged, the lower transmission wheel 242 is connected with the servo motor 241 and is linked with the servo motor 241, and the movable support 21 is connected to the transmission belt 244 and is lifted up and down when moving up and down from one side of the transmission belt 244; the servo motor 241 is installed on one side of the fixed bracket 245, the upper driving wheel 243 and the lower driving wheel 242 are located on the other side opposite to the servo motor 241, a balance shaft bracket 246 is arranged on the other side of the fixed bracket 245 opposite to the upper driving wheel 243, a rotatable balance shaft 247 is arranged in the balance shaft bracket 246, and the balance shaft 247 is connected with the upper driving wheel 243. The lifting mechanism 24 is adopted to realize the up-and-down sliding of the movable support 21, and the movable support 21 is connected with one side edge of a vertically arranged transmission belt 244 and is driven to move up and down; the fixed support 245 is provided with a vertical mounting plate, the lower transmission wheel 242, the upper transmission wheel 243 and the transmission belt 244 are positioned on one side, the servo motor 241 and the balance shaft frame 246 are arranged on the other side, the balance shaft frame 246 penetrates through the balance shaft 247 and is provided with the upper transmission wheel 243, the shaft of the servo motor 241 is connected with the lower transmission wheel 242, mechanisms arranged on the left side and the right side of the fixed support 245 are stressed evenly, the transmission of the upper transmission wheel and the lower transmission wheel is stable due to the arrangement, and the movable support 21 is driven up and down stably.

As an improved specific implementation manner, the packaging bag feeding device further comprises a bag opening feeding mechanism 3 and a material pushing mechanism 4 which are matched with the packaging bag conveying mechanism, wherein the material pushing mechanism 4 comprises a third rail 41 and a push plate 42 which is arranged on the third rail 41 and can move up and down; the bag feeding mechanism 3 comprises side plates 31 arranged on two sides and a lower plate 32 arranged on the lower portion, the side plates 31 and the lower plate 32 are movably arranged on the frame 5, the side plates 31 and the lower plate 32 are used for positioning paper diapers pushed by a push plate 42 from a previous procedure, the movement of the side plates 31 and the lower plate 32 drives the paper diapers to be conveyed forwards, the front portion of the side plate 31 can extend into the packaging bag opened by the bag sucking mechanism 2 in the front to carry out side bag opening, the paper diapers pushed by the push plate 42 to the side plates 31 are conveyed into the packaging bag, and then the side plates 31 and the push plate 42 continue to convey the paper diapers forwards to a subsequent procedure. The pushing mechanism 4 further comprises a sliding frame 43, a pushing cylinder 44 and a swinging frame 45, the sliding frame 43 can be arranged on the third rail 41 in a sliding mode, the pushing cylinder 44 and the swinging frame 45 are respectively hinged to the sliding frame 43, piston rods of the pushing cylinder 44 are hinged to the swinging frame 45, push plates 42 are arranged on the lower portions of the left and right groups of swinging frames 45 after the middle portions of the left and right groups of swinging frames 45 extend oppositely, and the push plates 42 move up and down under the action of the piston rods of the pushing cylinder 44 to control the rotation of the swinging frame 45; the third tracks 41 and the push plates 42 are two groups, the two groups of third tracks 41 and the two groups of push plates 42 are arranged in parallel, when one group of push plates 42 moves along the third tracks 41 at the lower part, the other group of push plates 42 is folded at the upper part, so that the two groups of push plates 42 are not interfered with each other; two groups of third rails 41 are correspondingly provided with two groups of transmission belts 46, the two groups of transmission belts 46 are synchronously driven by a first servo motor 47, the transmission belts 46 form an annular shape on a transmission shaft, the two groups of sliding frames 43 are respectively connected with the annular lower section and the annular upper section of the transmission belt 46 at the corresponding sides, and when the two groups of transmission belts 46 synchronously move, the movement directions of the two groups of sliding frames 43 are opposite; the side plates 31 and the lower plates 32 are arranged in a left-right two group and form an L shape with two symmetrical sides, the bag opening feeding mechanism 3 further comprises a slide rail 33, a slide block 34 and a second screw rod 35, the slide block 34 is slidably arranged on the slide rail 33 and driven by a second servo motor 36, the lower plates 32 at two sides are slidably arranged on the slide block 34, the second screw rod 35 is arranged on the slide block 34, and nuts 37 with opposite rotation directions are arranged on the lower plates 32 and are matched with the second screw rod 35; the outlet end of the side plate 31 has an insertion portion 38 extending beyond the lower plate 32, and the height of the insertion portion 38 is gradually reduced toward the upper and lower sides of the end portion.

As shown in fig. 5-9, the embodiment has been described primarily in the foregoing, and the specific structure is that, during the whole process of use, two groups of push plates 42 move back and forth alternately, that is, when one push plate 42 pushes the diapers below, the other push plate 42 returns to the starting point to prepare to push the next group of diapers under the condition that the pushing of the other push plate 42 is completed at the far end, so that the alternation can double the efficiency compared with the mode of only one group of push plates 42, improve the packaging efficiency of the diapers, and facilitate the automatic packaging production. After the third rail 41 is arranged in parallel at two sides, the reasonable push plate 42 structure is matched, and after the two groups of push plates 42 are distributed one above the other, the two groups of push plates 42 do not interfere with each other when moving back and forth, so that the double push plates 42 can effectively push materials alternately. The swing frame 45 may be specifically configured into a rod shape with multiple folding angles, so that the upper portion thereof is connected with the sliding frame 43 from two sides, the lower portion thereof extends to the middle position and can extend into the bag opening feeding mechanism 3 through rotation, and the push plate 42 at the lower end can push the paper diaper along with the movement of the sliding frame 43 on the third rail 41; when the lower swing of one swing frame 45 is used for pushing, the upper swing of the other swing frame 45 is retracted, and the two groups do not influence each other; the lower part of one sliding frame 43 is swung upwards and then staggered relative to the upper part of the other sliding frame 43, the structure is simple and convenient to manufacture, and the parallel movement of the structure on the double rails is well realized without mutual interference. The swinging frame 45 hinged on the sliding frame 43 is controlled to swing by the material pushing cylinder 44, the moving characteristics of the material pushing cylinder 44 limit the upper and lower moving positions of the swinging frame 45, the reliability is high, the structure is simpler, and the cost is reduced. The first servo motor 47 is used for synchronously driving the transmission belts 46 at two sides, so that the arrangement of the motor and a transmission structure is reduced, and the cost of parts is reduced; specifically, the sliding frames 43 on the two sides are respectively arranged on the annular lower section and the annular upper section of the transmission belt 46 shown in fig. 9, so that the opposite directions of the movement of the two sides are skillfully realized during synchronous movement, the complexity of a control system is simplified through synchronous movement, the sliding frames 43 on the two sides can also stably act, and the normalized operation and the matched conveying are convenient.

The L-shaped side plates 31 and the lower plate 32 support and position the paper diapers well, and a plurality of paper diapers cannot fall from a gap between the lower plates 32 under the clamping and positioning of the side plates 31 at two sides; the second screw 35 can simultaneously drive the two nuts 37 with opposite rotation directions to move oppositely or reversely when rotating, so that the distance between the two lower plates 32 on the sliding block 34 is adjusted, the effect of adjusting the distance between the side plates 31 is achieved, the bag feeding mechanism 3 can be freely adjusted to convey paper diapers with different specifications and quantities, and the packaging requirements of the paper diapers with different specifications are met. The sliding block 34 is driven by the second servo motor 36 to slide back and forth on the sliding rail 33 and can move to different positions for positioning, so that the sliding block can reach the packaging bag conveying mechanism to bag the paper diapers and reach the sealing and cutting packaging mechanism a to seal and shape, smooth realization of an automatic processing line is facilitated, and good positioning and matching among multiple stations can be realized. The part that curb plate 31 stretches out outside hypoplastron 32 forms insert portion 38, and its distal end reduces gradually, forms the tip structure that more is convenient for stretch into the wrapping bag smoothly, has guaranteed a good cooperation of a bag feeding mechanism 3 with the wrapping bag, is opened better the wrapping bag by insert portion 38 under the condition of the preliminary bag of a wrapping bag conveying mechanism department, realizes better a bag effect, guarantees that panty-shape diapers do not have the hindrance and get into the wrapping bag smoothly, improves the success rate of panty-shape diapers bagging-off.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a panty-shape diapers automatic packaging machine's wrapping bag conveying mechanism which characterized in that: comprises a conveying belt mechanism (1) and a bag absorbing mechanism (2) arranged at the side edge of the conveying belt mechanism (1),

the conveying belt mechanism (1) comprises a conveying belt body (11) which runs in an annular mode and a plurality of positioning column groups (12) which are arranged on the conveying belt body (11) at intervals along the conveying direction, the positioning column groups (12) are arranged close to the side where the bag suction mechanism (2) is located, packaging bags are sleeved on the positioning column groups (12), the conveying belt body (11) is driven by a motor to perform rated action to enable the positioning column groups (12) to reach the front of the bag suction mechanism (2) to stop, a bag conveying detection sensor (13) is arranged on the conveying belt mechanism (1) corresponding to the bag suction mechanism (2), and when the bag conveying detection sensor (13) detects that no packaging bag exists at the corresponding position of the bag suction mechanism (2), the motor is started to convey the next positioning column group (12) to the front of the bag suction mechanism (2);

the bag suction mechanism (2) comprises a movable support (21) and a bag suction head (22) arranged on the movable support (21), the bag suction head (22) extends upwards from the movable support (21) and forwards to the upper part of the conveying belt body (11), and when the movable support (21) drives the bag suction head (22) to descend, a packaging bag arranged on the positioning column group (12) is sucked by the bag suction head (22); when the movable support (21) drives the bag suction head (22) to ascend, the upper bag opening of the packaging bag is sucked up by the bag suction head (22) to finish the opening of the packaging bag;

the conveying belt body (11) is formed by sequentially and hingedly arranging a plurality of conveying plates (111) into a ring shape, and the ring-shaped conveying plates (111) are wound on a driving wheel (112); a hinge joint of the adjacent conveying plates (111) is downwards arranged to form a limiting part (113), a groove (114) matched with the limiting part (113) is formed in the circumferential surface of the driving wheel (112), and when the conveying plates (111) run to the driving wheel (112), the limiting part (113) enters the groove (114) to enable the driving wheel (112) to drive the conveying plates (111) to rotate; the whole limiting piece (113) is cylindrical, the grooves (114) are arc-shaped and matched with the limiting piece (113), and the grooves (114) are uniformly arranged on the circumferential surface of the driving wheel (112);

the movable support (21) is arranged on a sliding rail (23) in a vertically sliding manner, the movable support (21) comprises mounting frames (211) extending towards two sides, the mounting frames (211) at the two sides are respectively provided with the bag suction head (22), and the sliding rail (23) is connected and matched with the middle part of the movable support (21); the bag suction head (22) comprises a suction opening (221) and an extension pipe (222), the extension pipe (222) is arranged on the mounting frame (211), integrally extends upwards and then extends forwards to form an L shape, and the suction opening (221) is arranged at the far end of the upper part of the extension pipe (222); the bag sucking mechanism (2) further comprises a lifting mechanism (24), the lifting mechanism (24) comprises a servo motor (241), a lower transmission wheel (242), an upper transmission wheel (243), a transmission belt (244) and a fixed support (245), the transmission belt (244) is wound on the upper transmission wheel (243) and the lower transmission wheel (242) and is vertically arranged, the lower transmission wheel (242) is connected with the servo motor (241) and is linked with the servo motor (241), and the movable support (21) is connected to the transmission belt (244) and is lifted when one side of the transmission belt (244) moves up and down; the servo motor (241) is arranged on one side of the fixed support (245), the upper transmission wheel (243) and the lower transmission wheel (242) are positioned on the other side opposite to the servo motor (241), a balance shaft bracket (246) is arranged on the other side of the fixed support (245) opposite to the upper transmission wheel (243), a rotatable balance shaft (247) is arranged in the balance shaft bracket (246), and the balance shaft (247) is connected with the upper transmission wheel (243);

the conveying plate (111) is provided with a mounting hole (115) for mounting the positioning column group (12), the mounting hole (115) is arranged to be waist-shaped along the conveying direction of the conveying plate (111), and the positioning column group (12) is mounted on the mounting hole; the positioning column group (12) is arranged on the conveying plate (111) by taking two independent positioning column bodies (121) as a group, the two positioning column bodies (121) are arranged in mounting holes (115) of different conveying plates (111) and the distance between the two positioning column bodies is adjusted by the waist shape of the mounting holes (115), so that the distances between different groups are matched, and the distances between the two independent positioning column bodies (121) are matched;

the packaging bag pushing device is characterized by further comprising a bag opening feeding mechanism (3) and a material pushing mechanism (4) which are matched with the packaging bag conveying mechanism, wherein the material pushing mechanism (4) comprises a third rail (41) and a pushing plate (42) which is arranged on the third rail (41) and can move up and down; the bag feeding mechanism (3) comprises side plates (31) arranged on two sides and a lower plate (32) arranged on the lower portion, the side plates (31) and the lower plate (32) are movably arranged on the rack (5), the side plates (31) and the lower plate (32) position the paper diapers pushed by the push plate (42) from the previous process, the movement of the side plates (31) and the lower plate (32) drives the paper diapers to be conveyed forwards, the front portion of the side plates (31) can extend into the packaging bag opened by the bag suction mechanism (2) in front for side bag opening, the paper diapers at the side plates (31) are pushed by the push plate (42) to enter the packaging bag, and then the side plates (31) and the push plate (42) continue to convey the paper diapers forwards to the subsequent process;

the pushing mechanism (4) further comprises a sliding frame (43), a pushing cylinder (44) and a swinging frame (45), the sliding frame (43) can be arranged on a third rail (41) in a sliding mode, the pushing cylinder (44) and the swinging frame (45) are respectively hinged to the sliding frame (43), piston rods of the pushing cylinder (44) are hinged to the swinging frame (45), push plates (42) are arranged on the lower portions of the left and right groups of swinging frames (45) after the middle portions of the left and right groups of swinging frames (45) extend oppositely, and the rotation of the swinging frame (45) is controlled by the action of the piston rods of the pushing cylinder (44) to enable the push plates (42) to move up and down; the third tracks (41) and the push plates (42) are two groups, the two groups of third tracks (41) and the push plates (42) are arranged in parallel, when one group of push plates (42) moves along the third tracks (41) at the lower part, the other group of push plates (42) are folded at the upper part to enable the two groups of push plates (42) not to interfere with each other; two groups of third tracks (41) are correspondingly provided with two groups of transmission belts (46), the two groups of transmission belts (46) are synchronously driven by a first servo motor (47), the transmission belts (46) form a ring shape on a transmission shaft, two groups of sliding frames (43) are respectively connected with the ring-shaped lower section and the ring-shaped upper section of the transmission belts (46) at the corresponding sides, and when the two groups of transmission belts (46) synchronously move, the moving directions of the two groups of sliding frames (43) are opposite;

the side plates (31) and the lower plates (32) are arranged in a left group and a right group and form L shapes which are symmetrical on two sides, the bag opening feeding mechanism (3) further comprises a slide rail (33), a slide block (34) and a second screw rod (35), the slide block (34) is arranged on the slide rail (33) in a sliding mode and is driven by a second servo motor (36), the lower plates (32) on two sides are arranged on the slide block (34) in a sliding mode, the second screw rod (35) is arranged on the slide block (34), and nuts (37) with opposite rotation directions are arranged on the lower plates (32) and are matched with the second screw rod (35); the outlet end of the side plate (31) is provided with an insertion part (38) extending out of the lower plate (32), and the height of the insertion part (38) is gradually reduced towards the upper side and the lower side of the end part.

2. The packaging bag conveying mechanism of the automatic diaper packaging machine according to claim 1, characterized in that: the conveying belt mechanism (1) is provided with a material detection sensor (15) which is positioned at the side edge of the conveying belt body (11) and used for detecting whether a packaging bag is arranged on the positioning column group (12) conveyed from the input end; a bag opening detection sensor (25) is arranged on the bag suction head (22), and the bag opening detection sensor (25) detects whether the bag opening is normally sucked, lifted and opened when the bag suction head (22) is lifted.