CN110526019B

CN110526019B - Cardboard stacking device for carton packaging

Info

Publication number: CN110526019B
Application number: CN201910868659.1A
Authority: CN
Inventors: 黄财广
Original assignee: Nantong Tianhe Packing Co ltd
Current assignee: NANTONG TIANHE PACKING Co.,Ltd.
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2021-03-02
Anticipated expiration: 2039-09-16
Also published as: CN110526019A

Abstract

The invention relates to a paper board stacking device for packaging a paper box, wherein a paper feeding mechanism, a flapping mechanism and a limiting mechanism are arranged on a rack, the paper feeding mechanism comprises a plurality of conveying units, the conveying units are used for conveying paper boards, and the conveying unit positioned at the tail end can move up and down relative to the rack; the beating mechanism comprises two beating plates which are oppositely arranged, the two beating plates are respectively positioned at two sides of the third conveying unit and are in transmission connection with the roller shaft of the third conveying roller so as to horizontally reciprocate; the limiting mechanism is located at the discharge end of the tail end conveying unit and comprises a limiting plate, the limiting plate is installed on the third support and located on the movement stroke of the paper board on the third conveying belt, and the limiting plate can also perform turnover movement relative to the rack. The invention improves the maximum stacking thickness of the paper boards, can reduce the transfer times of the stacked paper boards, has high automation degree, high stability and low labor intensity, and is suitable for industrialized continuous paper board stacking operation.

Description

Cardboard stacking device for carton packaging

Technical Field

The invention relates to the field of carton processing auxiliary tools, in particular to a paperboard stacking device for carton packaging.

Background

The cardboard is a main material for manufacturing the packing box or the packing box, and after the cardboard is manufactured and processed, the cardboard needs to be stacked for convenient transportation and storage. The existing mode is mostly stacked by using a manual operation mode, the labor intensity is high, the labor cost is high, and the stacking efficiency is not ideal.

The invention patent No. 201510692650.1 discloses an automatic arrangement and stacking device for paper boards, which pushes a cardboard to a blocking wall through a push plate in the process of conveying the cardboard, and conveys the cardboard to an arrangement mechanism through a conveying belt, wherein the cardboard is stacked in the arrangement mechanism, after the cardboard is stacked to a preset height, a baffle is opened, a third push plate cylinder drives a third push plate to act, the cardboard on a first bracket is dragged to a second bracket, and finally, an operator only needs to carry the orderly cardboard of the other side to a storage area. The device has the following defects: (1) the first bracket is driven by the first bracket air cylinder to move up and down, and the paperboards are continuously stacked on the first bracket. Because the first bracket air cylinder occupies a certain space, a certain height difference is formed between the first bracket and the ground, and the transfer of the paperboard pile is inconvenient. (2) The device's the biggest thickness of piling up is subject to the biggest flexible length of first bracket cylinder, if the piston rod overlength of first bracket cylinder will lead to the cardboard to pile up and shift inconveniently, if short, the single thickness of piling up is limited, needs the staff frequently to shift the cardboard and piles, has increaseed staff's work burden.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a paperboard stacking device for carton packaging.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a paper feeding mechanism, a flapping mechanism and a limiting mechanism are arranged on a rack;

the paper feeding mechanism comprises a first transmission unit, a second transmission unit and a third transmission unit, the first transmission unit comprises a first support arranged on the front frame, the first support is rotatably connected with a plurality of first transmission rollers, and the first transmission rollers are in transmission connection through a first transmission belt; the second conveying unit comprises a second bracket and a lower sliding block, the lower sliding block is horizontally and slidably mounted on the front frame, one end of the second bracket is hinged to the lower sliding block, the second bracket is rotatably connected with a plurality of second conveying rollers, and the second conveying rollers are in transmission connection through a second conveying belt; the third transmission unit comprises a third support, one end of the third support is hinged to the other end of the second support, the third support is mounted on an upper sliding block, the upper sliding block is connected to the rear rack in a sliding mode and can be driven by a driving mechanism to move up and down, a plurality of third transmission rollers are mounted on the third support, and the third transmission rollers are in transmission connection through a third conveying belt;

the flapping mechanism comprises two flapping plates which are oppositely arranged, the two flapping plates are respectively positioned at two sides of the third conveying unit and are in transmission connection with the roller shaft of the third conveying roller so as to horizontally reciprocate and be close to or far away from the third conveying unit;

the limiting mechanism is located at the discharge end of the tail end of the conveying unit and comprises a limiting plate, the limiting plate is installed on the third support and located on the movement stroke of the paper board on the third conveying belt, and the limiting plate can also perform turnover movement relative to the rack.

Preferably, actuating mechanism is including installing the first motor in the back frame, the spout has all been seted up to back frame both sides, and two top sliders are sliding connection respectively in two spouts, installs the guide bar in one of them spout, and another spout internal rotation has the lead screw, the both ends of third support are fixed connection respectively on two top shoes, and one of them top shoe suit is in on the guide bar, another slider suit is in on the lead screw to pass through threaded connection mode cooperation with it.

Preferably, the outside of fore-stock rotates and is connected with the driven shaft, the driven shaft passes through the roller transmission of drive gear and first driving roller and is connected, the cover is equipped with the carousel on the driven shaft, the eccentric department of carousel terminal surface articulates there is first rocking arm, first rocking arm still is articulated with the push rod, the push rod level sets up, and its one end is located the fore-stock inboard to be located the top of first conveyer belt, the one end fixed mounting that the push rod deviates from the carousel has the push pedal.

Preferably, both sides of the third support extend outwards to form support arms, guide holes are formed in the support arms in a penetrating mode, the flapping mechanism further comprises two transmission rods horizontally penetrating through the two guide holes respectively, one end of each transmission rod is fixedly connected with the flapping plate, and the other end of each transmission rod is connected with the transmission assembly and driven by the transmission assembly to perform horizontal reciprocating motion.

Preferably, the transmission assembly comprises a worm and a second rocker arm which are coaxially connected with a roll shaft of the third transmission roller, the worm is meshed with a worm wheel, the worm wheel is rotatably connected to the bearing plate, the bearing plate is fixedly connected to the upper sliding block or the third support, one end of the second rocker arm is hinged to the eccentric position of the end face of the worm wheel, and the other end of the second rocker arm is hinged to one side of the transmission rod, which deviates from the beating plate.

Preferably, the inboard of two support arms all is connected with the fly leaf through the pivot rotation, the pivot is located the top of fly leaf to with the output shaft coaxial coupling of second motor, through fixed plate fixed connection between the fly leaf, the limiting plate is installed on the fixed plate to can be in on the motion stroke of the cardboard on the third conveyer belt.

Preferably, the device still includes infrared distance measurement sensor and treater, infrared distance measurement sensor is used for monitoring the high position of slider on to give the treater with data transmission, the treater is used for receiving the data that infrared distance measurement sensor gathered and judges, and sends corresponding instruction and give first motor and second motor, and first motor is used for receiving the relevant instruction control slider predetermined distance that descends of treater, and the second motor is used for receiving the relevant instruction control limiting plate clockwise upset predetermined angle of treater.

Preferably, the device further comprises a turnover mechanism for driving the paperboard to turn, the turnover mechanism is located above the first conveying unit and comprises a rotating shaft connected to the front frame in a rotating mode, the rotating shaft can be driven by a third motor to rotate, the second conveying unit comprises a plurality of second conveying belts arranged in parallel, an installation arm is fixedly installed on the rotating shaft and located between two adjacent second conveying belts, and a plurality of vacuum suckers are installed on the installation arm along the length direction.

Preferably, the rotation axis is hollow tubular structure, the one end of rotation axis has the vacuum pump through the pipeline intercommunication, the installation arm have with the air passage of vacuum chuck intercommunication, vacuum chuck is under the narrow width funnel shaped structure, and it is installed through joint or screw thread mode on the installation arm, air passage still with the inner chamber intercommunication of rotation axis.

Compared with the prior art, the invention has the following implementation effects:

(1) the paper feed mechanism can convey the paperboards on the production line from bottom to top to the upper part of the rack, and the paperboards can be continuously stacked on a supporting plate or a trailer. The frame relative up-and-down motion can be carried out to the transfer unit of end, owing to abandon traditional cylinder drive layer board and the trailer and go up the lift motion design, has released the shared space of cylinder, and layer board or trailer can directly and ground contact have promoted the biggest thickness of piling up of cardboard, can also reduce the transfer number of times of piling up back cardboard to a certain extent, has played and has saved artificial technological effect.

(2) Two clap the board and can follow both sides and pat the cardboard that piles up constantly, make the cardboard after the pile neat orderly, avoid cardboard horizontal position irregularity, improved the stability that the cardboard was piled, the cardboard is piled up and takes place to empty when preventing to shift the cardboard.

(3) The limiting plate can synchronously move along with the third support and is kept in a state on the movement stroke of the paper board on the conveyor belt so as to limit the paper board on the conveyor belt. The design reduces the size requirement on the limiting plate and saves the material cost. Because the limiting plate is driven to move up and down without an independent power mechanism, the equipment cost and the energy consumption can be reduced.

(4) The limiting plate can overturn relative to the frame, and when the cardboard piled up predetermined maximum height, the limiting plate overturns 90 clockwise to turn into the horizontality from vertical state, form the opening that the cardboard pile passed through, make the unloading more convenient.

(5) When the unloading is carried out to needs, make the limiting plate be in the horizontality to drive the limiting plate through the third support and slowly descend, in order to push down the cardboard heap, thereby reduced the space size between the cardboard, improved closely knit degree and the overall stability that the cardboard was piled.

(6) The beating plate and the third conveying unit are driven to move by the same motor, and the beating plate is driven to horizontally reciprocate without an independent power mechanism, so that the technical effects of reducing equipment cost and reducing energy consumption are further improved.

(7) The turnover mechanism turns the paper board 180 degrees before the paper board moves to the upper part of the rear frame, so that the paper board is prevented from warping and deforming due to long-time storage. Because cardboard pile thickness is great, it is great to carry out the upset operation degree of difficulty again after piling up. The paper boards are turned over before being stacked, so that the operation difficulty is reduced, and the smoothness of the stacked paper boards is ensured. In addition, the overturning process is carried out simultaneously in the paperboard conveying process, the whole process has no waiting time, the continuity is strong, and the whole processing period is shortened. Because the manual turning is not needed, the technical effect of saving labor is achieved.

(8) The push pedal is before the cardboard moves frame upper portion, and it promotes the cardboard and makes it draw close to a lateral wall of first support, has realized the orderly feeding of cardboard to beater mechanism's validity of work has been guaranteed. In addition, the push plate and the first transmission unit are driven to move through the same motor, and the beating plate is driven to horizontally reciprocate without an independent power mechanism, so that the technical effects of reducing equipment cost and energy consumption are further improved.

(9) The whole stacking device has high automation degree, high stability and low labor intensity, and is particularly suitable for industrial continuous stacking operation of paperboards.

Drawings

Fig. 1 is a schematic perspective view of a state of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 and 4 are schematic perspective views of the present invention in another state.

FIG. 5 is a schematic structural view of the beater mechanism and the position limiting mechanism of the present invention.

Fig. 6 is a schematic structural diagram of a part where the flapping mechanism and the limiting mechanism are located during discharging.

FIG. 7 is a schematic structural view of a portion where the feeding mechanism of the present invention is located.

Fig. 8 is a schematic view of the turnover mechanism of the present invention.

In the figure: 1. a frame; 11. a front frame; 12. a rear frame; 2. a paper feeding mechanism; 21. a third support; 211. a roll shaft; 212. a worm; 213. a support arm; 214. a third conveyor belt; 22. a second bracket; 221. a second conveyor belt; 23. a first bracket; 231. a first conveyor belt; 24. a lower slide block; 25. a turntable; 26. pushing the plate; 27. a push rod; 28. a first rocker arm; 3. a drive mechanism; 31. a first motor; 32. a screw rod; 33. an upper slide block; 34. a guide bar; 4. a flapping mechanism; 41. beating a plate; 42. a worm gear; 43. a second rocker arm; 44. a transmission rod; 5. a limiting mechanism; 51. a movable plate; 52. a fixing plate; 53. a limiting plate; 54. a second motor; 6. a turnover mechanism; 61. a rotating shaft; 62. a vacuum chuck; 63. and (5) mounting the arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, the paperboard stacking device for carton packaging provided by the invention comprises a frame 1, a paper feeding mechanism 2, a beating mechanism 4 and a limiting mechanism 5.

Referring to fig. 1 and 7, the frame 1 includes a front frame 11 and a rear frame 12, the paper feeding mechanism 2 includes a first transmission unit, a second transmission unit and a third transmission unit, the first transmission unit includes a first bracket 23 mounted on the front frame 11, the first bracket 23 is rotatably connected with a plurality of first transmission rollers, and the first transmission rollers on different roller shafts are in transmission connection with each other through a first transmission belt 231; the second conveying unit comprises a second bracket 22 and a lower sliding block 24, the lower sliding block 24 can be horizontally and slidably mounted on the front frame 11, one end of the second bracket 22 is hinged to the lower sliding block 24, a plurality of second driving rollers are rotatably connected to the second bracket 22, and the second driving rollers on different roller shafts are in transmission connection through a second conveying belt 221; the third transmission unit includes third support 21, third support 21 one end is articulated with the other end of second support 22, third support 21 installs on last slider 33, last slider 33 sliding connection be in on the rear frame 12 to can be by the drive of actuating mechanism 3 up-and-down motion, install a plurality of third driving rollers on the third support 21, be located and connect through third conveyer belt 214 transmission between the third driving roller on the different roller shafts.

Referring to fig. 6, the patting mechanism 4 includes two patting plates 41 disposed oppositely, and the two patting plates 41 are respectively disposed at the discharging side of the third conveying unit and are in transmission connection with the roller shaft of the third conveying roller to horizontally reciprocate close to or far from the third conveying unit.

Referring to fig. 4 and 5, the limiting mechanism 5 is located at the discharging end of the third conveyor belt 214, the limiting mechanism 5 includes a limiting plate 53, the limiting plate 53 is mounted on the third bracket 21 and located on the moving stroke of the paper boards on the third conveyor belt 214, and the limiting plate 53 can also perform a turning motion relative to the rack 1.

The principle of the scheme is as follows: the board is transferred from the production line to the first conveyor 231, through the second conveyor 221 and onto the third conveyor 214. The third conveyor belt 214 is controlled to sequentially move upward for a predetermined distance so that the cardboard is sequentially stacked after being separated from the third conveyor belt 214. In the stacking process, the clapper plates 41 continuously clap the cardboard pile from two sides to make two sides of the cardboard pile flat. In addition, the limiting plate 53 also limits the movement stroke of the paper boards, so that the whole paper board stack is stacked orderly.

The paper feeding mechanism 2 can convey the paper boards on the production line to the upper part of the rack 1 from bottom to top, and the paper boards can be continuously stacked on a supporting plate or a trailer (both the supporting plate and the trailer are used for bearing the stacked paper boards). The up-and-down motion can be carried out to frame 1 relatively to the transfer unit (third transfer unit) of endmost, owing to abandon traditional cylinder drive layer board and the trailer and go up the descending motion design, has released the shared space of cylinder, and layer board or trailer can directly contact with ground, have promoted the biggest of cardboard and have piled up the thickness, can also reduce the transfer number of times of piling up back cardboard to a certain extent, have played and have saved artificial technological effect.

The two beating plates 41 can continuously beat the stacked paper boards from two sides, so that the stacked paper boards are tidy and orderly, the horizontal positions of the paper boards are prevented from being uneven, the stability of the paper board pile is improved, and the paper board pile can be prevented from toppling when the paper boards are transferred.

The limiting plate 53 of the invention can move synchronously with the third bracket 21, and keeps a state on the movement stroke of the paper boards on the third conveyor belt so as to limit the paper boards on the third conveyor belt. The size requirement on the limiting plate 53 is reduced through the design, and the material cost is saved. Because an independent power mechanism is not needed to be arranged to drive the limiting plate 53 to move up and down, the equipment cost and the energy consumption can be reduced.

The limiting plate 53 can overturn relative to the rack 1, when the paperboard is stacked to the preset maximum height, the limiting plate 53 can overturn clockwise by 90 degrees to change from a vertical state to a horizontal state, so that an opening for the paperboard stack to pass through is formed, and the blanking is more convenient.

When the unloading is carried out to needs, make limiting plate 53 be in the horizontality to drive limiting plate 53 through third support 21 and descend slowly, in order to push down the cardboard heap, thereby reduced the space size between the cardboard, improved closely knit degree and the overall stability that the cardboard was piled.

Referring to fig. 3, 5 and 6, the driving mechanism 3 of the present invention includes a first motor 31 mounted on the rear frame 12, two sliding grooves are respectively formed on two sides of the rear frame 12, two upper sliding blocks 33 are respectively slidably connected in the two sliding grooves, a guide bar 34 is mounted in one of the sliding grooves, a screw rod 32 is rotatably rotated in the other sliding groove, two ends of the third bracket 21 are respectively and fixedly connected to the two upper sliding blocks 33, one of the upper sliding blocks 33 is sleeved on the guide bar 34, and the other sliding block is sleeved on the screw rod 32 and is matched therewith in a threaded connection manner.

When the device works, the first motor 31 is started, the first motor 31 drives the screw rod 32 to rotate, and the screw rod 32 rotates to enable the upper sliding block 33 to move upwards or downwards. Since the third bracket 21 is mounted on the upper slider 33, the third bracket 21 moves along with the movement of the upper slider 33. The two upper sliding blocks 33 are arranged, the other one is sleeved on the guide rod 34, and the guide rod 34 plays a role in motion guiding for the third bracket 21, so that the whole third bracket 21 can move on a preset path, and the technical effect of controlling the third bracket 21 to move in the vertical direction is achieved.

Referring to fig. 7, the outside of fore-frame 11 is rotated and is connected with the driven shaft, the vertical setting of driven shaft, the roller level setting of first driving roller, the cover is equipped with first bevel gear on the roller of first driving roller, and the cover is equipped with second bevel gear on the driven shaft, first bevel gear and second bevel gear mesh mutually, it is equipped with carousel 25 still to overlap on the driven shaft, the eccentric department of carousel 25 terminal surface articulates there is first rocking arm 28, first rocking arm 28 still articulates with push rod 27, push rod 27 level sets up, and its one end is located fore-frame 11 inboardly to be located the top of first conveyer belt 231, the one end fixed mounting that push rod 27 deviates from carousel 25 has push pedal 26.

When the first transmission roller rotates, the roller shaft of the first transmission roller drives the driven shaft to rotate through the transmission gear, the driven shaft rotates to enable the rotary disc 25 to rotate, and the rotary disc 25 rotates to drive the push plate 26 to horizontally reciprocate through the first rocker arm 28 and the push rod 27. The pushing plate 26 pushes the paper board to close to a side wall of the first bracket 23 before the paper board moves to the upper part of the rear frame 12, so that the paper board is orderly fed, and the paper board is positioned outside the beating plate 41 before the paper board enters the beating mechanism, thereby ensuring the working effectiveness of the beating mechanism 4. In addition, the push plate 26 and the first conveying unit are driven to move by the same motor, and the beating plate 41 is driven to horizontally reciprocate without an independent power mechanism, so that the technical effects of reducing equipment cost and reducing energy consumption are further improved.

Referring to fig. 5, both sides of the third bracket 21 extend outward to form a support arm 213, a guide hole is formed in the support arm 213 in a penetrating manner, the flapping mechanism 4 further includes two transmission rods 44 horizontally penetrating the two guide holes, respectively, one end of each transmission rod 44 is fixedly connected to the flapping plate 41, and the other end of each transmission rod 44 is connected to the transmission assembly and driven by the transmission assembly to perform horizontal reciprocating motion. The transmission assembly comprises a worm 212 and a second rocker arm 43 which are coaxially connected with a roller shaft 211 of the third transmission roller, the worm 212 is meshed with a worm wheel 42, the worm wheel 42 is rotatably connected to a bearing plate, the bearing plate is fixedly connected to the upper sliding block 33 or the third bracket 21, one end of the second rocker arm 43 is hinged to the eccentric position of the end face of the worm wheel 42, and the other end of the second rocker arm is hinged to one side, away from the beating plate 41, of the transmission rod 44.

When the third driving roller rotates, the worm 212 connected to the roller shaft 211 of the third driving roller rotates, the worm 212 rotates to drive the worm wheel 42 to rotate, and the worm wheel 42 drives the clapper plate 41 to horizontally reciprocate through the second rocker arm 43 and the transmission rod 44. The two beating plates 41 are matched with each other to promote the two side edges of the paper board to be neat.

The beating plate 41 and the third conveying unit are driven to move by the same motor, and the beating plate 41 is driven to horizontally reciprocate without an independent power mechanism, so that the technical effects of reducing equipment cost and energy consumption are further improved.

Referring to fig. 6, the inner sides of the two support arms 213 are rotatably connected with a movable plate 51 through a rotating shaft, the rotating shaft is located at the top of the movable plate 51 and is coaxially connected with an output shaft of a second motor 54, the movable plates 51 are fixedly connected through a fixed plate 52, and a limiting plate 53 is installed on the fixed plate 52 and can be located on the moving stroke of the paper board on the third conveyor belt.

When blanking is needed, the second motor 54 drives the rotating shaft to rotate by a predetermined angle, the rotating shaft rotates to drive the movable plate 51 to rotate, the limiting plate 53 rotates along with the rotation of the movable plate 51, an opening is formed between the movable plate 51 and the supporting arm 213, and the stacked paperboard stack can be transferred out through the opening.

Referring to fig. 4 and 6, the device further includes an infrared distance measuring sensor 55 and a processor, the infrared distance measuring sensor is used for monitoring the height position of the upper sliding block 33 and transmitting data to the processor, the processor is used for receiving and judging data collected by the infrared distance measuring sensor 55 and sending corresponding commands to the first motor 31 and the second motor 54, the first motor 31 is used for receiving related commands of the processor to control the upper sliding block 33 to move downwards for a predetermined distance, and the second motor 54 is used for receiving related commands of the processor to control the limiting plate 53 to turn clockwise for a predetermined angle.

After the infrared distance measuring sensor monitors that the height of the upper sliding block 33 reaches the preset height, the processor sends out related instructions to the first motor 31 and the second motor 54, the second motor 54 controls the limiting plate 53 to turn 90 degrees clockwise after receiving the related instructions of the processor, after the limiting plate 53 turns over, the first motor 31 controls the upper sliding block 33 to move downwards for a preset distance according to the related instructions of the processor, the upper sliding block 33 moves downwards to drive the third support 21 and the limiting plate 53 to move downwards, the limiting plate 53 gradually applies pressure to the paperboard stack in the downward process, so that the size of gaps among the paperboards is reduced, and the compactness and the overall stability of the paperboard stack are improved.

Referring to fig. 8, the cardboard stacking apparatus for carton packaging according to the present invention further includes a turnover mechanism 6 for driving the cardboard to turn over, the turnover mechanism 6 is located above the first conveying unit, the turnover mechanism 6 includes a rotating shaft 61 rotatably connected to the front frame 11, the rotating shaft 61 can be driven by a third motor to rotate, the second conveying unit includes a plurality of second conveying belts 221 arranged in parallel, a mounting arm 63 is fixedly mounted on the rotating shaft 61, the mounting arm 63 is located between two adjacent second conveying belts 221, and a plurality of vacuum suction cups 62 are mounted on the mounting arm 63 along the length direction.

After the cardboard on the production line moved first conveyer belt 231, third motor drive rotation axis 61 rotated, and rotation axis 61 rotates and drives installation arm 63 and rotate, owing to install vacuum chuck 62 on the installation arm 63, after vacuum chuck 62 was close to the cardboard or directly contacted with the cardboard, the cardboard was adsorbed on vacuum chuck 62. The third motor drives the rotation shaft 61 to rotate in the opposite direction, and the paper board rotates with the mounting arm 63. When the cardboard sheet approaches the second conveyor belt 221, the suction force of the vacuum suction cups 62 is removed, and the cardboard sheet falls onto the second conveyor belt 221 by gravity and moves upward along with the second conveyor belt 221. After the second conveyor belt 221 moves away from the mounting arm 63, the third motor drives the rotating shaft 61 to drive the mounting arm 63 to reset.

The turnover mechanism 6 turns the paper board 180 degrees before the paper board moves to the upper part of the rear frame 12, so that the paper board is prevented from warping and deforming due to long-time storage. Because cardboard pile thickness is great, it is great to carry out the upset operation degree of difficulty again after piling up. The paper boards are turned over before being stacked, so that the operation difficulty is reduced, and the smoothness of the stacked paper boards is ensured. In addition, the overturning process is carried out simultaneously in the paperboard conveying process, the whole process almost has no waiting time, the continuity is strong, and the whole processing period is shortened. Because the manual turning is not needed, the technical effect of saving labor is achieved.

The rotating shaft 61 in the invention is a hollow tubular structure, one end of the rotating shaft 61 is communicated with a vacuum pump through a pipeline, and the vacuum pump is used for vacuumizing the vacuum suction cup 62. The mounting arm has an air passage in communication with the vacuum chuck 62, which also communicates with the interior cavity of the rotating shaft 61. This design makes whole tilting mechanism 6 need not to carry out the pipeline wiring, avoids pipeline and cardboard to take place to interfere. Vacuum chuck 62 is installed through joint or screw thread mode on the installation arm, vacuum chuck 62's installation and dismantlement are more convenient. Vacuum chuck 62 is under narrow wide hourglass hopper-shaped structure, and structural design is reasonable, has improved the area of contact of vacuum chuck 62 with the cardboard, has guaranteed the adsorption effect of vacuum chuck 62 to the cardboard.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A paperboard stacking device for carton packaging comprises a rack and is characterized in that a paper feeding mechanism, a flapping mechanism and a limiting mechanism are mounted on the rack;

the limiting mechanism is located on the discharge side of the third conveyor belt and comprises a limiting plate, the limiting plate is installed on the third support and located on the movement stroke of the paper board on the third conveyor belt, and the limiting plate can also perform turnover movement relative to the rack.

2. A carton packing carton stacking apparatus according to claim 1, wherein the driving mechanism comprises a first motor mounted on the rear frame, sliding grooves are formed on both sides of the rear frame, the two upper sliding blocks are slidably connected in the two sliding grooves respectively, a guiding rod is mounted in one sliding groove, a screw rod is rotated in the other sliding groove, both ends of the third frame are fixedly connected to the two upper sliding blocks respectively, one upper sliding block is sleeved on the guiding rod, and the other sliding block is sleeved on the screw rod and is matched with the screw rod in a threaded connection manner.

3. The carton packing carton stacking device according to claim 2, wherein a driven shaft is rotatably connected to the outer side of the front frame, the driven shaft is in transmission connection with a roller shaft of the first transmission roller through a transmission gear, a rotary table is sleeved on the driven shaft, a first rocker arm is hinged to the eccentric position of the end face of the rotary table, the first rocker arm is further hinged to a push rod, the push rod is horizontally arranged, one end of the push rod is located on the inner side of the front frame and located above the first transmission belt, and a push plate is fixedly mounted at one end, away from the rotary table, of the push rod.

4. A carton packing carton stacking apparatus as claimed in claim 1, wherein the third frame has two outwardly extending support arms, the support arms have guide holes formed therethrough, the patting mechanism further comprises two transmission rods horizontally inserted into the two guide holes, one end of the transmission rod is fixedly connected to the patting plate, and the other end of the transmission rod is connected to the transmission assembly and driven by the transmission assembly to perform a horizontal reciprocating motion.

5. A carton packing carton board stacking device according to claim 4, wherein the transmission assembly comprises a worm coaxially connected with a roll shaft of the third transmission roller, and a second rocker arm, the worm is engaged with a worm wheel, the worm wheel is rotatably connected with a bearing plate, the bearing plate is fixedly connected with the upper sliding block or the third bracket, one end of the second rocker arm is hinged at the eccentric position of the end face of the worm wheel, and the other end of the second rocker arm is hinged at one side of the transmission rod, which is far away from the beating plate.

6. A carton packing carton board stacking device according to claim 4, wherein the inner sides of the two supporting arms are rotatably connected with movable plates through rotating shafts, the rotating shafts are located at the tops of the movable plates and are coaxially connected with the output shaft of the second motor, the movable plates are fixedly connected through fixing plates, and the limiting plates are installed on the fixing plates and can be positioned on the moving stroke of the paper boards on the third conveyor belt.

7. The carton packing carton stacking device according to claim 6, further comprising an infrared distance measuring sensor and a processor, wherein the infrared distance measuring sensor is used for monitoring the height position of the upper sliding block and transmitting data to the processor, the processor is used for receiving the data collected by the infrared distance measuring sensor and judging the data, and sending corresponding instructions to the first motor and the second motor, the first motor is used for receiving related instructions of the processor to control the upper sliding block to move downwards for a preset distance, and the second motor is used for receiving related instructions of the processor to control the limiting plate to turn clockwise for a preset angle.

8. The carton stacking device as claimed in claim 1, further comprising a turning mechanism for turning the cartons, wherein the turning mechanism is disposed above the first conveying unit, the turning mechanism comprises a rotating shaft rotatably connected to the front frame, the rotating shaft can be driven by a third motor to rotate, the second conveying unit comprises a plurality of second conveying belts arranged in parallel, a mounting arm is fixedly mounted on the rotating shaft, the mounting arm is disposed between two adjacent second conveying belts, and a plurality of vacuum suction cups are mounted on the mounting arm along a length direction.

9. A carton packing carton board stacking device according to claim 8, wherein the rotating shaft is a hollow tubular structure, one end of the rotating shaft is communicated with a vacuum pump through a pipeline, the mounting arm is provided with an air passage communicated with the vacuum suction cup, the vacuum suction cup is in a funnel-shaped structure with a narrow top and a wide bottom and is mounted on the mounting arm in a clamping or threaded manner, and the air passage is also communicated with an inner cavity of the rotating shaft.