CN211391889U - Automatic carton unpacking machine for cartons - Google Patents

Abstract

The utility model provides an automatic carton unpacking machine, which comprises a frame, a carton taking device arranged on the frame, a side cover folding device arranged on the frame and positioned on the next station of the carton taking device, and a front cover folding device arranged on the frame and positioned on the next station of the side cover folding device; the box taking device comprises two rotating shafts, two sets of transmission mechanisms, a box taking rod assembly, a box taking mechanism and a horizontal box taking cylinder, wherein the two rotating shafts are arranged on the rack and are parallel to each other; and the end parts of the two rotating shafts positioned on the same side are respectively provided with a set of transmission mechanism. The problems that the box taking rod moves forwards and backwards, and is stressed unevenly and unsynchronized in the existing similar equipment are solved; the front cover of the carton is smoothly folded under the uniform stress of the carton, and the action can be smoothly finished even if the carton has slight flanges; the side cover folding process is more stable, and the side cover folding work can be easily completed.

Description

Automatic carton unpacking machine for cartons

Technical Field

The utility model relates to an equipment technical field of processing packing carton that the commodity circulation trade adopted specifically indicates an automatic case unpacking machine that fashioned carton was processed into shaping carton not.

Background

The current carton case unpacking machine in the market is mainly processed to little carton, and carton overlength or too wide use with the corresponding device on this type of equipment has a lot of problems, leads to using the qualification rate to reduce. Concrete body is present, the current case unpacking machine gets the case part, mainly uses classic pendulum rod formula structure, but behind the increase of carton length, for example reach more than 800mm, the pendulum rod formula is got the case pole and only is close to cylinder local atress, the strong point is kept away from to the supplementary sliding part of keeping away from the cylinder, cause very easily get the case accomplish the back because the strong point is too far away and rock, cause to get case face and belt face nonparallel, and then cause to push away the case and get into card case and the not good enough problem emergence of joint sealing effect when carrying the station. The front cover folding mechanism of the existing box unpacking machine is only an independent front cover folding mechanism, for example, the width of a super-wide carton is more than 500mm, the requirement on the carton is too high, such as front, back, left and right flanges, or the material is too hard and too soft, the high requirement cannot be met due to the carton, and the carton is blocked due to the failure of the front cover folding caused by the uneven stress of the folding box. The side cover mechanism of the existing box unpacking machine is only single-group, and most of the side cover mechanisms are single-arm mechanisms, so that when the carton is made of too hard materials or the carton is too wide, the bearing is easily exploded due to uneven stress, and even the fault of a broken shaft occurs.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a novel automatic carton unpacking machine.

In order to achieve the above object, the utility model adopts the following technical scheme: an automatic carton unpacking machine comprises a rack, a carton taking device arranged on the rack, a side cover folding device arranged on the rack and positioned on the next station of the carton taking device, and a front cover folding device arranged on the rack and positioned on the next station of the side cover folding device; the box taking device comprises two rotating shafts, two sets of transmission mechanisms, a box taking rod assembly, a box taking mechanism and a horizontal box taking cylinder, wherein the two rotating shafts are arranged on the rack and are parallel to each other; and the end parts of the two rotating shafts positioned on the same side are respectively provided with a set of transmission mechanism. When the horizontal carton taking cylinder is started, the telescopic rod of the horizontal carton taking cylinder extends out to drive one set of transmission mechanism connected with the telescopic rod to move, the other set of transmission mechanism connected with the other ends of the two rotating shafts synchronously moves to drive the carton taking rod assembly connected with the two sets of transmission mechanisms and the carton taking mechanism to be close to an unformed carton, and after the carton taking mechanism grabs the unformed carton, the telescopic rod retracts to drive the unformed carton to move to the next station, and then the telescopic rod returns to the initial position.

Preferably, each set of transmission mechanism comprises two synchronous chain wheels which are respectively and rotatably connected with the end parts of the two rotating shafts which are positioned on the same side, a synchronous chain connected with the two synchronous chain wheels, a first sliding shaft which is arranged on the rack and positioned on the outer side of the synchronous chain, a first sliding block which is movably sleeved on the first sliding shaft, and two chain connecting shafts which are respectively and fixedly connected with the two ends of the synchronous chain and are fixedly arranged on the first sliding block; the end part of a telescopic rod of the horizontal box taking cylinder is connected with a first slide block on one set of transmission mechanism; the box taking rod assembly is connected with the two first sliding blocks.

Preferably, the box taking rod assembly is formed by integrally molding two parallel vertical rods and a cross rod arranged at the upper ends of the two vertical rods; the lower ends of the two upright posts are respectively fixedly connected with two first sliding blocks of the two sets of transmission mechanisms; a second sliding shaft which is parallel to the first sliding shaft and is fixedly connected with the frame is arranged between the two first sliding shafts, and a second sliding block which can slide relative to the second sliding shaft is arranged on the sliding shaft.

Preferably, the box taking device further comprises a box taking base plate and a supporting rod, the box taking base plate is fixedly connected with the second sliding block and the upper surface of one of the first sliding blocks, and the end part of a telescopic rod of the horizontal box taking cylinder is fixedly connected with the box taking base plate; the lower end of the supporting rod is connected with the upper surface of the bottom plate of the taking box, and the upper end of the supporting rod is connected with the cross rod; the lower end of one of the upright posts is fixedly connected with the bottom plate of the fetching box.

Preferably, the box taking mechanism is arranged on the cross rod and is a sucker assembly; the sucking disc subassembly is including setting firmly the sucking disc mounting panel on the horizontal pole, locates two sucking discs on the sucking disc mounting panel.

Specifically, when the horizontal box taking cylinder is started, the telescopic rod of the horizontal box taking cylinder extends out to drive the box taking bottom plate fixedly connected with the end part of the telescopic rod to move, the box taking bottom plate drives the second slide block fixedly connected with the bottom surface of the box taking bottom plate, one first slide block moves along the second slide shaft and the first slide shaft respectively, when the first slide block moves, the two chain connecting shafts arranged on the first slide block are driven to move, the two chain connecting shafts drive the synchronous chains to move, the synchronous chains move to drive the two synchronous chain wheels positioned on the end parts of the same side of the two rotating shafts to rotate, when the synchronous chain wheels rotate, the rotating shafts connected with the synchronous chain wheels are driven to rotate, when the rotating shafts rotate, the synchronous chain wheels arranged on the other ends of the rotating shafts are driven to rotate, so that the transmission mechanisms arranged on the other ends of the two rotating shafts synchronously act to drive the box taking rod assembly connected with the box taking bottom plate and the first slide, sucking the unformed carton by a suction cup.

In order to install the adjusting mechanism, a box taking folded plate which is formed by integrally forming a box taking transverse plate and a box taking vertical plate is arranged at the upper end of the supporting rod, and the box taking transverse plate is fixedly connected with the end part of the transverse rod; an adjusting mechanism is arranged on the outer surface of the box taking vertical plate.

Preferably, the adjusting mechanism comprises two third sliding shafts arranged in parallel, two third sliding blocks which are respectively movably sleeved on the two third sliding shafts and fixedly connected with the outer surface of the box taking vertical plate, a fixed plate which is arranged at the rear ends of the two third sliding shafts and fixedly connected with the frame, a front fixed seat which is arranged at the front ends of the two third sliding shafts and fixedly connected with the frame, a box taking positioning plate which is movably sleeved on the two third sliding shafts and positioned at the rear side of the third sliding blocks, a box taking lead screw which vertically penetrates through the box taking positioning plate, a rocking handle which is arranged at the rear end of the box taking lead screw and positioned at the rear side of the fixed plate after penetrating through the fixed plate, a cushion cylinder fixed plate which is fixedly arranged on the outer surfaces of the two third sliding blocks, and a cushion cylinder which is vertically connected with the cushion fixed plate, wherein the rear end of the cushion cylinder is positioned at the front side of.

Preferably, the side cover folding device comprises two side cover folding units arranged side by side, each side cover folding unit comprises a mounting base fixedly arranged on the rack, two rocker assemblies and two side cover folding cylinders respectively connected with the two rocker assemblies and used for pushing the rocker assemblies to rotate relative to the mounting base; the lower end of the rocker component is rotatably connected with the mounting base.

The rocker component comprises two rockers which are parallel to each other, a side cover folding main shaft fixedly connected with the lower ends of the two rockers, two side cover folding bearing seats which are arranged on the mounting base and are respectively and rotatably connected with the two ends of the side cover folding main shaft, a swing cylinder shaft which is arranged between the two rockers and is respectively and fixedly connected with the two rockers at the two ends, and a side cover folding roller arranged at the upper ends of the two rockers; the end part of the extending shaft of the side cover folding cylinder is rotationally connected with the swing cylinder shaft, and the side cover folding cylinder is rotationally connected with the rack.

Preferably, the front cover folding device comprises a fixed frame which is fixedly arranged on the frame and comprises two front cover folding fixed plates which are parallel to each other, a front cover folding main shaft of which two ends are respectively rotatably connected with the two front cover folding fixed plates, and two ends of the front cover folding main shaft penetrate through the two front cover folding fixed plates and are positioned on the outer sides of the front cover folding fixed plates; two parallel inner side plates with upper ends fixedly connected with the inner surfaces of the front ends of the two front cover folding fixing plates respectively; the two ends of the fixed shaft penetrate through the lower ends of the two inner side plates and then are positioned on the two outer sides of the lower ends of the inner side plates; the upper ends of the two auxiliary front folding cover plates are respectively rotatably connected with the two ends of the front folding cover main shaft and are positioned outside the two front folding cover fixing plates; two book protecgulum auxiliary cylinder that are located two supplementary front shroud outsides of rolling over respectively, roll over the protecgulum auxiliary cylinder lower extreme and be connected with the tip rotation that is located the interior plate outside on the fixed axle, roll over protecgulum auxiliary cylinder extension shaft upper end and supplementary book protecgulum upper end surface rotation and be connected.

The beneficial technical effects are as follows: the box taking device adopts a horizontal box taking air cylinder to pull the box taking rod assembly to translate, and realizes synchronous motion of the box taking rod assembly through the matching of a synchronous chain, two synchronous rotating shafts and a synchronous chain wheel, so that the problems of front-and-back motion, uneven stress and asynchronization of the box taking rod adopted by the existing similar equipment are solved; on the basis of the existing front cover folding device, two groups of auxiliary front cover folding mechanisms are added, each group of auxiliary front cover folding mechanisms comprises an auxiliary front cover folding plate and a front cover folding auxiliary cylinder, when the material of a carton is too hard or the carton is too wide, the auxiliary front cover folding plates of the auxiliary front cover folding mechanisms are firstly used for enabling the carton to be uniformly stressed and smoothly folding the front cover of the carton, even if the carton has a slight flange, the action can be smoothly finished, and then the final work of front cover folding can be finished by adopting the main front cover folding plate positioned between the two auxiliary front cover folding plates; on present roll over side cap device basis, increase a set of side cap unit of rolling over, and roll over the side cap bearing frame and use UCP204 to increase the bearing frame, it is more stable, be convenient for easily accomplish and roll over side cap work.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a first schematic perspective view of the box taking device of the present invention;

fig. 3 is a second schematic perspective view of the box taking device of the present invention;

fig. 4 is a third schematic perspective view of the box taking device of the present invention;

FIG. 5 is an exploded view of the box taking device of the present invention;

fig. 6 is a first perspective view of the side cover folding device of the present invention;

fig. 7 is a second perspective view of the side cover folding device of the present invention;

fig. 8 is an exploded view of the side cover folding device of the present invention;

fig. 9 is a first schematic perspective view of the front cover folding device of the present invention;

fig. 10 is a second perspective view of the front cover folding device of the present invention;

fig. 11 is a third schematic perspective view of the front cover folding device of the present invention;

fig. 12 is an exploded view of the front folding cover device of the present invention.

Detailed Description

In order to make the technical field better understand the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and embodiments.

As shown in fig. 1, an automatic carton unpacking machine includes a frame 1, a carton taking device disposed on the frame, a side cover folding device disposed on the frame and located at a station next to the carton taking device, and a front cover folding device disposed on the frame and located at a station next to the side cover folding device.

As shown in fig. 2-5, the box taking device comprises two rotating shafts 2 which are arranged on the frame and are parallel to each other, two sets of transmission mechanisms which act synchronously, a box taking rod assembly connected with the two sets of transmission mechanisms, a box taking mechanism arranged on the box taking rod assembly, and a horizontal box taking cylinder arranged on the frame and connected with one set of transmission mechanism; and the end parts of the two rotating shafts positioned on the same side are respectively provided with a set of transmission mechanism.

In this embodiment, specifically, each set of transmission mechanism has the same structure, and includes two synchronous sprockets 3 rotatably connected to the ends of the two rotating shafts on the same side, a synchronous chain 4 connected to the two synchronous sprockets, a first sliding shaft 5 disposed on the frame 1 and outside the synchronous chain, a first slider 6 movably sleeved on the first sliding shaft, and two chain connecting shafts 7 fixedly connected to the two ends of the synchronous chain and fixed to the first slider; the end part of the telescopic rod 801 of the horizontal box taking cylinder 8 is connected with the first slide block 6 on one set of transmission mechanism; the box taking rod assembly is connected with two first sliding blocks 6. As shown in the layout manner of fig. 2, the end of the telescopic rod 801 of the horizontal box-taking cylinder 8 is fixedly connected with the first slide block 6 on the right side.

The box taking rod assembly is formed by integrally molding two parallel upright rods 9 and a cross rod 10 arranged at the upper ends of the two upright rods; the lower ends of the two upright posts are respectively fixedly connected with two first sliding blocks 6 of the two sets of transmission mechanisms; a second sliding shaft 11 which is parallel to the two first sliding shafts 5 and is fixedly connected with the frame is arranged between the two first sliding shafts 5, and a second sliding block 12 which can slide relative to the sliding shafts is arranged on the sliding shafts.

In order to connect the first slide block 6 and the second slide block 12 which are positioned on the right side together, the box taking device further comprises a box taking base plate 13, the box taking base plate is fixedly connected with the second slide block and the upper surface of one of the first slide blocks, and the end part of a telescopic rod of the horizontal box taking cylinder is fixedly connected with the box taking base plate; the lower end of the supporting rod is connected with the upper surface of the bottom plate 13 of the taking box, and the upper end of the supporting rod is connected with the cross rod 10; the lower end of one of the upright posts 9 is fixedly connected with the bottom plate of the taking box, and as shown in fig. 2, the upright post on the right side is fixedly connected with the bottom plate 13 of the taking box. The right upright rod is indirectly and fixedly connected with the first slide block 6 on the right side through the box taking bottom plate 13.

Here, the box taking mechanism is arranged on the cross bar 10, and the box taking mechanism is a suction disc assembly 14; the sucker assembly comprises a sucker mounting plate 1401 fixedly arranged on the cross rod and two suckers 1402 arranged on the sucker mounting plate. This embodiment adopts three group's sucking disc subassemblies, but the carton condition that the quantity of sucking disc subassembly can be snatched as required and set for.

When the horizontal box taking cylinder 8 is started, the telescopic rod 801 of the horizontal box taking cylinder extends out to drive the box taking bottom plate 13 fixedly connected with the end part of the telescopic rod to move, the box taking bottom plate drives the second slide block 12 fixedly connected with the bottom surface of the box taking bottom plate, and one first slide block 6 moves along the second sliding shaft 11 and the first sliding shaft 5 respectively, namely the horizontal box taking cylinder 8 drives one set of transmission mechanism connected with the horizontal box taking cylinder to move, wherein the transmission mechanism is used for driving the transmission mechanisms positioned at the right ends of the two rotating shafts, and the first slide block 6 and the first sliding shaft 5 are also used for driving the first slide block 6 and the first sliding shaft 5 positioned at the right side; when the first sliding block 6 moves, the two chain connecting shafts 7 arranged on the first sliding block are driven to move, the two chain connecting shafts drive the synchronous chains 4 to move, the synchronous chains 4 drive the two synchronous chain wheels 3 positioned on the end parts of the two rotating shafts on the same side to rotate, the synchronous chain wheels 3 drive the rotating shafts 2 connected with the synchronous chain wheels to rotate when rotating, and the rotating shafts drive the synchronous chain wheels 3 arranged at the other ends of the synchronous chain wheels to rotate when rotating, so that the transmission mechanisms arranged at the other ends of the two rotating shafts 2 synchronously act, namely, the synchronous action of the two sets of transmission mechanisms is realized, and then the box taking rod assembly connected with the box taking bottom plate 13 and the first sliding block 6 is driven to horizontally move, the sucker assembly 14 serving as the box taking mechanism is driven to an unformed carton.

The phrase "two synchronous sprockets 3 provided on the end portions of the two rotating shafts on the same side" means that, when viewed from the angle of fig. 2, the two synchronous sprockets 3 provided on the right ends of the two rotating shafts 2 are regarded as two synchronous sprockets provided on the end portions of the two rotating shafts on the same side, and of course, the same applies to the left ends. Obviously, if the angle is observed, the description by other orientation words may be needed. Each rotating shaft 2 is mounted on the frame 1 through three rotating shaft bearing seats 2 a.

According to the carton width difference, get the case playback and stop the locating position and follow and change, in order to smooth and easy carry next station with the work piece, still need set up manual adjustment mechanism and adjust the locating position.

In order to install the adjusting mechanism, a supporting rod 15 parallel to the two upright rods 9 is further arranged on the box taking bottom plate 13, a box taking folded plate 16 integrally formed by a box taking transverse plate 1601 and a box taking vertical plate 1602 is arranged at the upper end of the supporting rod 15, and the box taking transverse plate 1601 is fixedly connected with the end part of the transverse rod; an adjusting mechanism is arranged on the outer surface of the box taking vertical plate 1602. Get case diaphragm 1601 upper surface and still be equipped with a horizontal pole fixed plate 17, horizontal pole fixed plate 17 and horizontal pole tip fixed connection, get case diaphragm 1601 promptly and pass through horizontal pole fixed plate 17 and horizontal pole tip fixed connection.

The adjusting mechanism comprises two third sliding shafts 18 which are arranged in parallel, two third sliding blocks 19 which are respectively movably sleeved on the two third sliding shafts 18 and fixedly connected with the outer surfaces of the box taking vertical plates 1602, a fixing plate 20 which is arranged at the rear ends of the two third sliding shafts and fixedly connected with the rack, a front fixing seat 21 which is arranged at the front ends of the two third sliding shafts and fixedly connected with the rack, a box taking positioning plate 22 which is movably sleeved on the two third sliding shafts and positioned at the rear side of the third sliding blocks, a box taking lead screw 23 which vertically penetrates through the box taking positioning plate, a box taking lead screw 23 rear end which penetrates through the fixing plate and is positioned at the rear side of the fixing plate 20, a rocking handle (not shown) which is arranged at the rear end of the box taking lead screw 23, a buffer cylinder fixing plate 24 which is fixedly arranged on the outer surfaces of the two third sliding blocks 19, and a buffer cylinder 25 which is vertically connected with the buffer fixing plate, wherein the rear end. A cylinder sleeved on the box taking screw rod 23 is fixedly arranged in the box taking positioning plate 22, and an internal thread matched with the box taking screw rod 23 is arranged in the cylinder.

The adjusting process of the adjusting mechanism is that the rocking handle is rotated manually to drive the box taking screw 23 to rotate, the box taking positioning plate 22 connected with the rocking handle is driven to move forwards until the box taking positioning plate 22 is contacted with the rear end of the buffer cylinder 25, the rocking handle is rotated continuously, the box taking positioning plate 22 pushes the buffer cylinder 25 to move forwards, the buffer cylinder 25 drives the buffer cylinder fixing plate 24 fixedly connected with the buffer cylinder 25 to move forwards when moving, the buffer cylinder fixing plate 24 drives the two third sliding blocks 19 connected with the buffer cylinder fixing plate to move forwards along the two third sliding shafts 18, the two third sliding blocks 19 drive the box taking vertical plate 1602 fixedly connected with the buffer cylinder fixing plate to move forwards, the box taking vertical plate 1602 drives the box taking transverse plate 1601 to move, the box taking transverse plate 1601 drives the transverse rod 10 and the supporting rod 15 connected with the box taking transverse plate to translate, the transverse rod drives the sucker component 14 serving as the box taking mechanism and the unformed carton to reach accurate positions along with the first sliding block and the box taking bottom plate, and accurately butting with the next station.

As shown in fig. 6-8, the side cover folding device includes two sets of side cover folding units arranged side by side, each side cover folding unit includes a mounting base 26 fixed on the frame 1, two sets of rocker assemblies 27, and two side cover folding cylinders 28 respectively connected with the two sets of rocker assemblies for pushing the rocker assemblies to rotate relative to the mounting base 26; the lower end of the rocker assembly 27 is pivotally connected to the mounting base 26.

The rocker assembly 27 comprises two rockers 2701 which are parallel to each other, a folding side cover main shaft 2702 fixedly connected with the lower ends of the two rockers, two folding side cover bearing seats 2703 which are arranged on the installation base 26 and respectively rotatably connected with the two ends of the folding side cover main shaft, a swing cylinder shaft 2704 which is arranged between the two rockers and respectively fixedly connected with the two rockers at the two ends, and a folding side cover roller 2705 arranged at the upper ends of the two rockers; the end part of the extending shaft of the side folding cover cylinder 28 is rotationally connected with the swing cylinder shaft 2704, and the side folding cover cylinder 28 is rotationally connected with the frame 1.

When a workpiece, namely an unformed carton is conveyed to the upper part of the side folding cover device, four side folding cover cylinders 28 in two sets of side folding cover units are started simultaneously to push swing cylinder shafts 2704 connected with the end parts of extension shafts of the side folding cover cylinders 28 to move, two rocker assemblies 27 in the same side folding cover unit rotate oppositely to drive side folding cover rollers 2705 arranged at the upper ends of the two rockers to firstly move to two sides of two foldable side plates at the bottom of the unformed carton, when the side folding cover rollers 2705 continue to move, the two foldable side plates can be pushed to be folded towards the inner side of the bottom of the unformed carton, and when the side folding cover rollers 2705 move for the maximum stroke, the folding of the two foldable side plates can be completed.

As shown in fig. 9-12, the front cover folding device includes a fixing frame 29 fixed on the frame 1 and including two parallel front cover folding fixing plates 2901, a front cover folding main shaft 30 with two ends respectively connected with the two front cover folding fixing plates in a rotating manner, and two ends of the front cover folding main shaft 30 are located outside the two front cover folding fixing plates after passing through the two front cover folding fixing plates; two parallel inner side plates 31 with the upper ends respectively fixedly connected with the inner surfaces of the front ends of the two front cover folding fixing plates; a fixed shaft 32 with two ends respectively fixedly connected with the lower ends of the two inner side plates, wherein two ends of the fixed shaft 32 penetrate through the lower ends of the two inner side plates and then are positioned at two outer sides of the lower ends of the two inner side plates 31; two auxiliary front folding cover plates 33 with upper ends respectively rotatably connected with two ends of the front folding cover main shaft 30 and positioned at the outer sides of the two front folding cover fixing plates 2901; two auxiliary front cover folding cylinders 34 respectively positioned on the outer sides of the two auxiliary front cover folding plates, the lower ends of the auxiliary front cover folding cylinders 34 are rotatably connected with the end part of the fixed shaft positioned on the outer side of the inner side plate 31, and the upper ends of the extending shafts of the auxiliary front cover folding cylinders 34 are rotatably connected with the outer surface of the upper end part of the auxiliary front cover folding plate 33. Two auxiliary front cover folding mechanisms are formed by connecting two auxiliary front cover folding plates 33 and two front cover folding auxiliary cylinders 34 respectively.

The front cover folding device further comprises a front cover folding mechanism of the existing similar product, the front cover folding mechanism comprises two front cover folding cylinders 35 which are respectively arranged on the inner walls of the two front cover folding fixing plates 2901, a rack 36 is arranged at the front end of an output shaft of each front cover folding cylinder 35, two driven gears 37 which are respectively meshed with the two racks 36 are sleeved on a front cover folding main shaft 30, and a front cover folding plate 38 perpendicular to the front cover folding main shaft 30 is further arranged on the front cover folding main shaft.

When a workpiece, namely an unformed carton, is conveyed to the upper part of the front cover folding device, the two front cover folding auxiliary cylinders 34 are started to push the auxiliary front cover folding plate 33 to rotate to a working position, then the front cover folding cylinder 35 is started to drive the rack 36 to move, drive the driven gear 37 to rotate, further drive the front cover folding main shaft 30 to rotate, and the front cover folding main shaft 30 rotates along with the front cover folding main shaft 38 to finally complete the front cover folding operation.

In the above description, it should be noted that the terms "mounted," "connected," and "connected" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components.

Although the present invention has been described in terms of embodiments, those skilled in the art will recognize that there are numerous variations and modifications of the present invention without departing from the spirit of the invention, and it is intended that the appended claims encompass such variations and modifications without departing from the spirit of the invention.

Claims (10)

1. An automatic carton unpacking machine comprises a rack and is characterized by also comprising a carton taking device arranged on the rack, a side cover folding device arranged on the rack and positioned on the next station of the carton taking device, and a front cover folding device arranged on the rack and positioned on the next station of the side cover folding device; the box taking device comprises two rotating shafts, two sets of transmission mechanisms, a box taking rod assembly, a box taking mechanism and a horizontal box taking cylinder, wherein the two rotating shafts are arranged on the rack and are parallel to each other; and the end parts of the two rotating shafts positioned on the same side are respectively provided with a set of transmission mechanism.

2. An automatic carton unpacking machine as claimed in claim 1, wherein each set of transmission mechanism comprises two synchronous sprockets rotatably connected to the ends of the two rotating shafts on the same side, respectively, a synchronous chain connected to the two synchronous sprockets, a first sliding shaft disposed on the frame and located outside the synchronous chain, a first slide block movably sleeved on the first sliding shaft, and two chain connecting shafts fixedly connected to the two ends of the synchronous chain and fixed to the first slide block, respectively; the end part of a telescopic rod of the horizontal box taking cylinder is connected with a first slide block on one set of transmission mechanism; the box taking rod assembly is connected with the two first sliding blocks.

3. An automatic carton unpacking machine as claimed in claim 2, wherein the carton taking rod assembly is formed by integrally forming two parallel vertical rods and a cross rod arranged at the upper ends of the two vertical rods; the lower ends of the two upright posts are respectively fixedly connected with two first sliding blocks of the two sets of transmission mechanisms; a second sliding shaft which is parallel to the first sliding shaft and is fixedly connected with the frame is arranged between the two first sliding shafts, and a second sliding block which can slide relative to the second sliding shaft is arranged on the sliding shaft.

4. The automatic carton unpacking machine of claim 3, further comprising a carton taking bottom plate and a support rod, wherein the carton taking bottom plate is fixedly connected with the second slide block and the upper surface of one of the first slide blocks, and the end part of the telescopic rod of the horizontal carton taking cylinder is fixedly connected with the carton taking bottom plate; the lower end of the supporting rod is connected with the upper surface of the bottom plate of the taking box, and the upper end of the supporting rod is connected with the cross rod; the lower end of one of the upright posts is fixedly connected with the bottom plate of the fetching box.

5. The automatic carton unpacking machine for the cartons, as recited in claim 3, wherein the carton taking mechanism is arranged on the cross bars, and the carton taking mechanism is a suction disc assembly; the sucking disc subassembly is including setting firmly the sucking disc mounting panel on the horizontal pole, locates two sucking discs on the sucking disc mounting panel.

6. An automatic carton unpacking machine as claimed in claim 3, wherein a carton taking folded plate formed by integrally forming a carton taking transverse plate and a carton taking vertical plate is arranged at the upper end of the supporting rod, and the carton taking transverse plate is fixedly connected with the end part of the transverse rod; an adjusting mechanism is arranged on the outer surface of the box taking vertical plate.

7. The automatic carton unpacking machine as claimed in claim 6, wherein the adjusting mechanism comprises two third sliding shafts arranged in parallel, two third sliding blocks movably sleeved on the two third sliding shafts respectively and fixedly connected with the outer surfaces of the carton taking vertical plates, a fixing plate arranged at the rear ends of the two third sliding shafts and fixedly connected with the frame, a front fixing seat arranged at the front ends of the two third sliding shafts and fixedly connected with the frame, a carton taking positioning plate movably sleeved on the two third sliding shafts and positioned at the rear side of the third sliding blocks, a carton taking screw vertically passing through the carton taking positioning plate, a rear end of the carton taking screw passing through the fixing plate and positioned at the rear side of the fixing plate, a rocking handle arranged at the rear end of the carton taking screw, and a cushion cylinder fixing plate fixedly arranged on the outer surfaces of the two third sliding blocks, and the rear end of the buffer cylinder is positioned at the front side of the box taking positioning plate.

8. An automatic carton unpacking machine as claimed in claim 1, wherein the side folding cover device comprises two sets of side folding cover units arranged side by side, each set of side folding cover unit comprises a mounting base fixed on the machine frame, two sets of rocker assemblies, two side folding cover cylinders respectively connected with the two sets of rocker assemblies for pushing the rocker assemblies to rotate relative to the mounting base; the lower end of the rocker component is rotatably connected with the mounting base.

9. The automatic carton unpacking machine as claimed in claim 8, wherein the rocker assembly comprises two rockers parallel to each other, a folding-side cover main shaft fixedly connected with the lower ends of the two rockers, two folding-side cover bearing seats arranged on the mounting base and respectively rotatably connected with two ends of the folding-side cover main shaft, a swing cylinder shaft arranged between the two rockers and respectively fixedly connected with the two rockers at two ends, and a folding-side cover roller arranged at the upper ends of the two rockers; the end part of the extending shaft of the side cover folding cylinder is rotationally connected with the swing cylinder shaft, and the side cover folding cylinder is rotationally connected with the rack.

10. The automatic carton unpacking machine for the cartons, as claimed in claim 1, wherein the front folding cover device comprises a fixed frame which is fixedly arranged on the machine frame and comprises two front folding cover fixing plates which are parallel to each other, a front folding cover main shaft of which two ends are respectively and rotatably connected with the two front folding cover fixing plates, and two ends of the front folding cover main shaft penetrate through the two front folding cover fixing plates and are positioned at the outer sides of the two front folding cover fixing plates; two parallel inner side plates with upper ends fixedly connected with the inner surfaces of the front ends of the two front cover folding fixing plates respectively; the two ends of the fixed shaft penetrate through the lower ends of the two inner side plates and then are positioned on the two outer sides of the lower ends of the inner side plates; the upper ends of the two auxiliary front folding cover plates are respectively rotatably connected with the two ends of the front folding cover main shaft and are positioned outside the two front folding cover fixing plates; two book protecgulum auxiliary cylinder that are located two supplementary front shroud outsides of rolling over respectively, roll over the protecgulum auxiliary cylinder lower extreme and be connected with the tip rotation that is located the interior plate outside on the fixed axle, roll over protecgulum auxiliary cylinder extension shaft upper end and supplementary book protecgulum upper end surface rotation and be connected.

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