CN109592445B

CN109592445B - Efficient container body stacking system and method

Info

Publication number: CN109592445B
Application number: CN201810904743.XA
Authority: CN
Inventors: 刘焕章
Original assignee: Qilin Shandong Intelligent Equipment Manufacturing Co ltd
Current assignee: Qilin Shandong Intelligent Equipment Manufacturing Co ltd
Priority date: 2018-08-09
Filing date: 2018-08-09
Publication date: 2022-11-15
Anticipated expiration: 2038-08-09
Also published as: CN109592445A

Abstract

The invention relates to a container high-efficiency box body stacking system which comprises a control system, a loading platform, a conveying belt and a stacking device connected with the conveying belt, wherein the loading platform is arranged on the loading platform; the sorting device is arranged on the conveying belt and can separate and turn over the transversely placed boxes and the vertically placed boxes, so that the transversely placed boxes and the vertically placed boxes are uniformly placed; a box body merging device is arranged behind the sorting device on the conveying belt, and two adjacent box bodies on the conveying belt are merged together; a box body stacking device is arranged on the conveyor belt after the conveyor belt is combined and assembled, and the two combined box bodies are stacked up and down; a buffer platform is arranged at the joint of the conveying belt and the platform, and the box body conveyed from the conveying belt is firstly placed on the buffer platform and then pushed to the platform from the buffer platform. The efficient container body stacking system and method provided by the invention have the advantages that the working efficiency is greatly improved, the human resource input is reduced, and the stacking is compact and firm.

Description

Efficient container body stacking system and method

Technical Field

The invention relates to an efficient container body stacking system and method.

Background

With the development of economic level, the labor cost in production is continuously increased, and more enterprises face the common phenomena of rapid increase of production cost and lack of labor force. The loading work, especially the loading of the container, is a work kind with high labor intensity, low technical content, first wage treatment, bad working environment and large personnel mobility, and is very difficult to recruit and manage.

At present, the logistics industry, whether the link of storage or transportation, all reaches higher automation level, and the loading link is the loading link still generally to adopt the manual work to put things in good order in the carriage still.

The existing box body stacking system generally comprises a control system, a loading platform 1, a conveying belt 3 and a stacking device 4 connected with the conveying belt 3. As shown in fig. 2, the stacking device 4 comprises a walking platform 5 and four vertical columns 6 fixedly arranged on the walking platform 5, as shown in fig. 2, longitudinal rails 7 are fixedly arranged on the vertical columns 6, a lifting platform 8 capable of moving up and down along the longitudinal rails 7 is arranged on the longitudinal rails 7, a horizontal sliding rod 9 is arranged on the lifting platform 8, the lifting platform 8 and the horizontal sliding rod 9 are connected with a driving device, a second vertical column 10 is fixedly arranged at the front end of the horizontal sliding rod 9, sliding rails are arranged on the second vertical column 10, a sliding rail-mounted platform 12 capable of sliding up and down along the sliding rails is arranged on the sliding rails, a flat plate 13 is connected on the platform 12, universal balls are arranged on the flat plate 13, gaps are formed among the universal balls, and a distribution device is arranged below the platform 12.

According to the box body stacking system, after boxes conveyed by the conveying belt are arranged in a row, the conveying line stops working, the stacking device pushes the arranged row of boxes to the stack body, then the stacking device returns, and the conveying line is opened. By adopting the structure, the conveying line is opened ceaselessly, stopped and then opened, the efficiency is low, the abrasion to parts is serious, and the coordination of all the parts is easy to cause uncoordinated condition.

Disclosure of Invention

The invention aims to provide an efficient container body stacking system and method.

In order to solve the technical problem, the efficient container body stacking system comprises a control system, a loading platform, a conveying belt and a stacking device connected with the conveying belt;

the conveying belt is provided with a sorting device, and the sorting device can separate and turn over the transversely placed boxes and the vertically placed boxes so that the transversely placed boxes and the vertically placed boxes are placed uniformly;

a box body combining device is arranged behind the sorting device on the conveying belt, and two adjacent box bodies on the conveying belt are combined together; a box body stacking device is arranged behind the conveyor belt combining device, and the two combined box bodies are stacked up and down;

the stacking device comprises a walking platform and an upright post fixedly arranged on the walking platform, wherein a longitudinal rail is fixedly arranged on the upright post, a lifting platform capable of moving up and down along the longitudinal rail is arranged on the longitudinal rail, a horizontal sliding rod is arranged on the lifting platform, the lifting platform and the horizontal sliding rod are connected with a driving device, a second upright post is fixedly arranged at the front end of the horizontal sliding rod, a sliding rail is arranged on the second upright post, the sliding rail is provided with a platform capable of sliding up and down along the sliding rail, a distributing device is arranged below the platform, and a horizontal pushing device capable of pushing the whole row of boxes on the platform to a stack is arranged on the platform;

a buffer platform is arranged at the joint of the conveying belt and the platform, and the box body conveyed from the conveying belt 3 is firstly placed on the buffer platform and then pushed to the platform from the buffer platform.

The sorting device comprises a branch conveying belt arranged beside the conveying belt, a line turning mechanism is arranged at the joint of the conveying belt and the branch conveying belt, and a turnover mechanism is arranged on the branch conveying belt or the conveying belt.

The wire rotating mechanism comprises a steering wheel, unpowered rollers are arranged on the steering wheel, and a steering mechanism capable of steering the rollers is arranged above the steering wheel.

The steering mechanism comprises a rotating shaft, a sheave mechanism arranged at the bottom of the rotating shaft, a driving rod arranged at the top of the rotating shaft and a rack arranged on a steering wheel, the rack is connected into a whole through a connecting rod, the rack can slide along the steering wheel, the positions of the roller and the rack are matched, the sheave mechanism is arranged at the bottom of the rotating shaft and comprises a driving drive plate fixedly connected with the rotating shaft and a driven sheave matched with the driving drive plate, the driving drive plate is arranged at the bottom of the rotating shaft and concentric with the rotating shaft, a gear meshed with the rack is arranged on the driven sheave, and the driving rod is perpendicular to the rotating shaft.

The turnover device is arranged on a conveyor belt, an opening is formed in the conveyor belt behind the wire rotating mechanism, two supporting plates are fixedly arranged below the opening, two guide rods are arranged between the two supporting plates, an air cylinder is arranged between the two guide rods and provided with a sliding block, one end of the air cylinder is connected with the other end of the sliding block and connected with a first supporting plate, an L-shaped turnover plate is connected onto the sliding block, a hinged plate is arranged at the bottom of one side of the L-shaped turnover plate, one end of the hinged plate is hinged to the sliding block, the other end of the hinged plate is connected with a second supporting plate through a connecting rod, one end of the connecting rod is hinged to the L-shaped turnover plate, and the other end of the connecting rod is hinged to the second supporting plate.

The combining device comprises two fixed shafts, two cross rods which are respectively arranged on the two fixed shafts, two vertical rods which are hinged with the cross rods, and a driving air cylinder which is hinged on the vertical rods, wherein the two vertical rods are respectively a left vertical rod and a right vertical rod, the left vertical rod is hinged with a lever which drives the driving air cylinder, the upper end of a cylinder barrel which drives the driving air cylinder is hinged on a fixed facility, and a parallelogram which can rotate around the two fixed shafts 53 is formed by the two cross rods and the two vertical rods.

The stacking device comprises a frame fixedly arranged above the conveying belt 1, four driving gears are arranged on four corners of the frame, annular chains are arranged on the four driving gears, the chains form a rectangle, two push rods are symmetrically arranged between the chains on two sides, the distance between the two push rods on the annular chains is equal, the stacking device also comprises a lifting device arranged on the conveying belt, the lifting device is positioned below a stopped rear box body, the lifting device comprises a lifting cylinder arranged below the conveying belt, an unpowered movable roller way is arranged above the lifting cylinder, and the movable roller way is arranged in an opening in the middle of the conveying belt; the frame is further provided with a small frame, four small gears are arranged on four corners of the small frame, annular small chains are arranged on the small gears, the small chains form a rectangle, small push rods are symmetrically arranged between the small chains on two sides, and the distances between the small push rods on the annular small chains are equal.

The buffer platform comprises a translation platform, two side connecting channels and a middle connecting channel, a gap is transversely arranged on the translation platform, a distribution device is also arranged below the gap of the translation platform, gaps are longitudinally arranged on two side parts of the translation platform and the two side connecting channels, a box pushing device is arranged below the two side connecting channels, the box pushing device can push a box body moving to the two side edges of the translation platform to corresponding positions on the platform, a middle connecting channel is arranged between the translation platform and the platform at the middle position, a space is reserved between the middle connecting channel and the two side connecting channels, the translation platform, the middle connecting channel and the two side connecting channels define an opening, and the stand column is installed in the space; and a box pushing mechanism is arranged above the translation platform and the middle connecting channel.

The invention also relates to a container high-efficiency box body stacking method, which comprises the following steps:

the horizontal box body and the vertical box body which are randomly transmitted on the conveying belt pass through a line transferring mechanism, the vertical box body and the horizontal box body are transferred to different conveying line branches by the line transferring mechanism, a turnover mechanism is arranged on one conveying line branch, the horizontal box body or the vertical box body is turned over, and then the two branches are combined; a device which can make the box body pause is arranged on the conveying line, and two adjacent box bodies which are separated by a certain distance are abutted together; the two combined box bodies pause through a device on the conveying line, and the rear box body is lifted and pushed to the upper part of the front box body, so that the two box bodies are stacked; a buffer platform is arranged between a platform of the stacking device and the conveying line, and after the boxes on the platform are stacked to a whole row, the stacking device is started to push the whole row of boxes to a stack pile; at the moment, the box bodies conveyed from the conveying belt are firstly stacked on the buffering platform, and after the platform of the stacking device returns, the box bodies stacked on the buffering platform are pushed to the platform.

The efficient container body stacking system and method can automatically pick out the horizontally and vertically placed container bodies and agree to place the container bodies. The conveyer belt is guaranteed not to stop when the stacking device works, and the original transmission box body with continuous speed is always installed. The working efficiency is greatly improved, the abrasion caused by continuous opening and stopping can be reduced, the work of each mechanism keeps continuity, and the synchronous coordination of each mechanism is easier to adjust through control software.

Drawings

The invention is described in further detail below with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural diagram of the efficient container body stacking system of the invention.

Fig. 2 is a schematic view of a conventional palletizer.

Fig. 3 is a top view of a second embodiment of a wire turning mechanism.

Fig. 4 is a schematic structural view of the steering wheel.

Fig. 5 is an operational state diagram of the steering wheel.

Fig. 6 is a side view of a second embodiment of a wire turning mechanism.

Fig. 7 is an operation state diagram of the second embodiment of the wire rotating mechanism.

Fig. 8 is a partially enlarged view of a portion a in fig. 4.

Fig. 9 is a partially enlarged view of a portion B in fig. 5.

Fig. 10 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 8.

Fig. 11 is a perspective view of the flipping unit.

Fig. 12 is a top view of the flipping mechanism.

Fig. 13 is an operation state diagram of the reversing device.

Fig. 14 is an operation state diagram of the turning device.

Fig. 15 is a schematic structural view of the box merging device.

Fig. 16 is an operation state diagram of the casing merging device.

Fig. 17 is a partially enlarged view of a portion C in fig. 15.

Fig. 18 is a partially enlarged view of a portion D in fig. 16.

Fig. 19 is a partially enlarged view of portion F in fig. 18.

Fig. 20 is a partially enlarged view of a portion G in fig. 17.

Fig. 21 is a schematic structural view of a box stacking apparatus.

FIG. 22 is a schematic view showing the operation of the case stacking apparatus.

Fig. 23 is a schematic view showing the operation of the case stacking apparatus.

FIG. 24 is a schematic view showing the operation of the case stacking apparatus.

Fig. 25 is a schematic view showing the operation of the case stacking apparatus.

Fig. 26 is a side view of the case stacking apparatus.

Fig. 27 is a top view of the palletising device.

Fig. 28 is a schematic view of the working steps of the palletizing device.

Fig. 29 is a schematic view of the working steps of the palletizing device.

Fig. 30 is a schematic view of the operation of the palletizer.

Fig. 31 is a schematic view of the working steps of the palletizing device.

Fig. 32 is a schematic view of the working steps of the palletizing device.

Detailed Description

The automatic loading system for the box body of the invention is shown in figure 1 and comprises a control system, a loading platform 1, a conveying belt 3 and a stacking device 4 connected with the conveying belt 3.

The conveying belt is provided with a sorting device, and the sorting device can separate and turn over the transversely placed boxes and the vertically placed boxes so that the transversely placed boxes and the vertically placed boxes are placed uniformly; a box body combining device is arranged behind the sorting device on the conveying belt, and two adjacent box bodies on the conveying belt are combined together; a box body stacking device is arranged behind the conveyor belt after the conveyor belt is combined and assembled, and the two combined box bodies are stacked up and down; a buffer platform is arranged at the joint of the conveying belt and the platform, and the box body conveyed from the conveying belt 3 is firstly placed on the buffer platform and then pushed to the platform from the buffer platform.

Because the box that needs to be piled up neatly when just putting conveyer belt 3 on, probably by horizontal, also probably by erectting, the pile up neatly device can't put the different boxes of putting horizontally and erectting in unison in good order automatically, need set up one set of box automatic sorting device, place the direction with the box unified. The method is that a branch conveyor belt 20 is arranged beside the conveyor belt, boxes in different directions are turned to the branch, and then the boxes on the branch or the main conveyor belt are turned over through a box turning mechanism.

As shown in fig. 3, the conveyor belt 3 and the branch conveyor belt 2 are roller tables, and each roller table is composed of rollers 21 arranged continuously, the length of the roller 21 at the joint of the branch conveyor belt 20 and the conveyor belt 3 is gradually changed, and a line-turning mechanism 22 is arranged at the joint of the conveyor belt 3 and the branch conveyor belt 20.

As shown in fig. 3, the wire turning mechanism 22 includes a steering wheel 32, and as shown in fig. 4 and 5, 3 rows of unpowered rollers 33 are provided on the steering wheel 32, and a steering mechanism capable of steering the rollers 33 is installed above the steering wheel 32. As shown in fig. 4 to 7, the steering mechanism includes a rotating shaft 29, a geneva gear 30 mounted at the bottom of the rotating shaft 29, a shift lever 31 mounted at the top of the rotating shaft 29, and a rack 34 mounted on a steering wheel 32, where the rack 34 is provided with 3 rows, the 3 rows of racks are connected into a whole by a connecting rod 37, the rack 34 can slide along the steering wheel 32, the 3 rows of rollers 33 and the 3 rows of racks 34 are matched in position, and the rollers 33 can be mounted on the steering wheel 32 through bearings, as shown in fig. 10, the rollers 33 include a wheel body 331, a wheel disc 332, a transverse shaft 334, gear teeth 335 arranged at the outer side of the wheel disc 332, gear teeth 335 arranged at the bottom side of the wheel disc 332 and matched with the rack 34, the wheel disc 332 can rotate freely around the wheel disc 332, and the wheel disc 332 can be a thrust bearing, that is, balls 336 or a cylinder are arranged at the bottom of the wheel disc 332, so that the wheel 332 can rotate freely on the steering wheel 32.

The geneva mechanism 30 is arranged at the bottom of the rotating shaft 29 and has the same height as the rack 34, as shown in fig. 8, the geneva mechanism 30 comprises a driving dial 301 fixedly connected with the rotating shaft 29 and a driven geneva 302 matched with the driving dial 301, the driving dial 301 is arranged at the bottom of the rotating shaft 29 and is concentric with the rotating shaft 29, the driven geneva 302 can be arranged through a bearing, a gear meshed with the rack 34 is arranged on the driven geneva 302, and the deflector rod 31 is perpendicular to the rotating shaft 29. As shown in FIG. 7, the conveyer belt 3 will be randomly transferred to the horizontal box 27 or the vertical box 28, the height of the deflector rod 31 is lower than that of the vertical box 28 and higher than that of the horizontal box 27, the rotating shaft 29 is arranged at the edge of the conveyer belt 3, and the deflector rod 31 extends towards the middle of the conveyer belt 3. When the box body reaches the wire rotating mechanism 22, the height of the vertical box body 28 is higher, the top part contacts the shifting rod 31, the shifting rod 31 is pushed away towards the side edge of the conveying belt 3, the rotating shaft 29 is driven to rotate by an angle which is generally larger than 30 degrees, as shown in fig. 9, the rotating shaft 29 drives the driving dial 301 at the bottom part to rotate by the same angle, the convex locking arc 3011 on the driving dial 301 is matched with the concave locking arc 3021 on the driven sheave 302, when the cylindrical pin 3012 enters the radial groove 3022, the driven sheave 302 starts to rotate, the angle of rotation of the driven sheave 302 in the whole process is a determined smaller angle, through debugging, the gear on the driven sheave 302 drives the rack 34 to move by a proper stroke, so that the rollers 33 rotate by a certain angle, all the rollers 33 on the steering wheel 32 point to the direction of the branch conveying belt 20, so that the vertical box body 28 turns when moving to the steering wheel 32, and the vertical box body 28 turns to the branch conveying belt 20 on the wire rotating mechanism 22. A return spring is arranged on the driving dial 301 or the rotating shaft 29, and after the vertical box body 28 passes through the wire rotating mechanism 22, the shift lever 31 returns to drive all the rollers 33 on the steering wheel 32 to also return to wait for the next box body. The horizontal box 27 is not high enough to touch the shift lever 31, and the horizontal box 27 and the vertical box 28 are conveyed forward continuously along the original direction of the main conveyor belt 3, so that the horizontal box 27 and the vertical box 28 are separated to different conveyor belts.

After the transverse box 27 and the vertical box 28 have been separated on different conveyor belts, a box turnover device is provided on the conveyor belt 3 or the bypass conveyor belt 20.

The box turning device is arranged on the conveyor belt 3, as shown in fig. 11 to 14, an opening 45 is arranged on the conveyor belt 3 behind the wire-turning mechanism 22, two support plates 46 are fixedly arranged below the opening 45, two guide rods 47 are arranged between the two support plates, sliders 48 are arranged on the two guide rods 47, an air cylinder 49 is arranged between the two guide rods 47, one end of the air cylinder 49 is connected with the slider 48, and the other end of the air cylinder 49 is connected with the first support plate 461. An L-shaped turnover plate 50 is connected to the sliding block 48, a hinged plate 51 is installed at the bottom of one side of the L-shaped turnover plate 50, one end of the hinged plate 51 is hinged to the sliding block 48, the other end of the hinged plate 51 is connected with a second supporting plate 462 through a connecting rod 52, one end of the connecting rod 52 is hinged to the L-shaped turnover plate, and the other end of the connecting rod 52 is hinged to the second supporting plate 462.

The L-shaped turnover plate 50 is provided with a trigger device, when the box body is transferred onto the L-shaped turnover plate 50 along the conveyor belt 3, the air cylinder 49 contracts, as shown in fig. 13, the sliding block 48 is driven to move, the L-shaped turnover plate 50 is driven to turn over for 90 degrees, and therefore the box body on the L-shaped turnover plate 50 is driven to turn over.

The conveying belt 3 can be further provided with a box rotating mechanism which can be an air cylinder or a stop block arranged on one side of the conveying belt, one corner of the box body can be blocked, the box body can be rotated by about 90 degrees, and then the box body can be completely rotated by 90 degrees through the adjusting device. The box turnover device and the box rotating mechanism of the two embodiments are matched, the front and back sequence of the box turnover device and the box rotating device of the two embodiments is determined according to conditions, and the original randomly placed or horizontally placed box bodies can be selectively turned over and all changed into placed vertically or horizontally and stacked uniformly.

The box merging device is arranged above the conveying belt 3, as shown in fig. 15, the box merging device comprises two fixed shafts 53, two cross rods 54 respectively mounted on the two fixed shafts 53, two vertical rods 56 hinged to the cross rods 54, and a driving cylinder 55 hinged to the vertical rods, wherein the two vertical rods are a left vertical rod 56a and a right vertical rod 56b respectively, the left vertical rod 56a is hinged to a lever of the driving cylinder 55, the upper end of a cylinder barrel of the driving cylinder 55 is hinged to a fixed facility, the two cross rods 54 and the two vertical rods 56 form a parallelogram capable of rotating around the two fixed shafts 53, and the lower ends of the two vertical rods 56 are slightly longer.

The box bodies on the conveying belt 3 are transferred leftwards, the driving cylinder 55 reciprocates, and as shown in fig. 15, when the driving cylinder 55 is lifted upwards, the left vertical rod 56a is driven to move upwards, the right vertical rod 56b moves downwards, the right vertical rod 56b blocks the box body 58, so that the blocked box body 58 stops moving forwards, and the distance between the blocked box body 58 and the rear box body 59 is shortened. After a period of time, the driving cylinder 55 extends downwards, as shown in fig. 15 and 16, the left vertical rod 56a is driven to move downwards, the right vertical rod 56b moves upwards, the box 58 blocked by the right vertical rod 56b continues to move forwards, and stops after touching the left vertical rod 56a, and at this time, the rear box 59 is attached to the front box 58. At this time, the driving cylinder 55 is lifted upwards to drive the left vertical rod 56a to move upwards, and the front box 58 and the rear box 59 which are attached together continue to move forwards. Thus, the box bodies which are originally uniformly distributed are uniformly attached to each other two by two. The distance between the front box body and the rear box body can be better adjusted by arranging the two vertical rods which are alternately descended, compared with a structure with a stop rod which is descended in one period, the fault tolerance rate of the distance between the front box body and the rear box body is higher, and the condition that the distance between the front box body and the rear box body is longer and shorter can be adapted. The structure can stop the box body in two steps, and the impact on the box body is smaller.

The box body can be stopped suddenly when contacting the vertical rod 56, certain collision exists, and when the system conveys the box body filled with fragile articles, certain hidden danger exists.

A buffer device 60 is fixedly arranged at the bottom of the left vertical rod 56a and the right vertical rod 56b, as shown in fig. 15 to 20, the buffer device 60 comprises a sleeve 57 fixedly connected to the vertical rod, a spring 61 installed in the sleeve 57, and a buffer rod 62 connected with the spring 61, when the box approaches, the buffer rod 62 is firstly contacted, the buffer rod 62 compresses the spring 61, and the strength of the spring 61 is enough to decelerate the box, but the box does not rebound. When the box contacted the montant, buffer beam 62 got into sleeve 58 completely, and the box also stop motion, and the baffle can be installed to the buffer beam outer end, and the box carries out the face contact with the baffle, and is more steady. The outer end of buffer pole 62 sets up breach 63, install lockpin 64 on the montant 56, when buffer pole 62 got into sleeve 61 completely, the breach 63 of buffer pole 62 tip just in time aligns lockpin 64, lockpin 64 connects lockpin spring 65, lockpin spring 65 connects lifter 66, lifter 66 slidable installs on montant 56, can slide from top to bottom along montant 56, the upper end of lifter 66 is equipped with rack 66a, montant 56 and horizontal pole 54 articulated department installation lifting gear 67 mutually, lifting gear 67 can rotate with the rotation of horizontal pole in step, rack 66a meshes with lifting gear 67 mutually.

When the vertical rod 56 moves downward, the lifting gear 67 rotates to drive the lifting rod 66 to move downward, the lock pin 64 abuts against the buffer rod 62 under the action of the lock pin spring 65, and the buffer rod 62 extends out of the sleeve 57. When the box body contacts the buffer rod 62, the buffer rod 62 retracts into the sleeve 57, the notch 63 at the outer end part moves to the position of the lock pin 64, and the lock pin 64 is inserted into the notch 63 to lock the buffer rod 62. The vertical rod 56 moves upwards, meanwhile, the cross rod 54 drives the lifting gear 67 to rotate in the opposite direction, the lifting gear 67 drives the lifting rod 66 to move upwards, the moving amplitude of the lifting rod 66 is large enough, after the locking pin spring 65 is ensured to extend, the locking pin 64 continues to move upwards, the notch 63 is pulled out, the buffer rod 62 extends out under the action of the spring 61, and the next period is waited for, so that the box body is buffered.

The damping devices 60 on the left and right

vertical rods

56a, 56b are identical in structure except that the lifting gear 67 is mounted in the opposite direction to the lifting rod 66.

After the buffer device 60 is arranged, the stacking system can transport fragile boxes, the operation speed of the system can be increased, and the boxes and articles in the boxes are not afraid of being broken.

Two boxes are combined pairwise, two side-by-side boxes can be stacked simultaneously through one-time operation during stacking, and only relevant parts of the stacking device need to be subjected to size adjustment. Also can stack two adjacent side by side boxes from top to bottom through stacking the device, and one time operation can pile up two boxes that stack from top to bottom simultaneously during the pile up neatly, can improve the efficiency of pile up neatly.

As shown in fig. 21 to 26, the stacking device includes a frame fixedly disposed above the conveyor belt 3, the frame includes two i-shaped frames 68 respectively disposed at two sides of the conveyor belt 3, four driving gears 69 are mounted at four corners of the i-shaped frame at each side, an annular chain 70 is mounted on the four driving gears 69, the chain 70 forms a rectangle, two push rods 71 are symmetrically mounted between the chains 70 at two sides, the distance between the two push rods 71 on the annular chain 70 is equal, a servo motor 72 is mounted on the frame, the servo motor 72 drives a driving gear at one corner to rotate 691 through chain transmission, the driving gears 691 at two sides are connected through a connecting rod 73 to rotate synchronously, thereby driving the chains 70 to rotate around the frame, so that the two push rods 71 can rotate periodically.

The movement rhythm of the two push rods 71 is set to match the interval of the boxes, when the two boxes combined together move to the stacking device, the two boxes enter the lower part of the frame, at the moment, the first push rod 711 moves to the left side of the frame, as shown in fig. 21, rises along the left side of the frame, does not move in the horizontal direction, can block the boxes, the conveying belt below the stacking device is an unpowered conveying belt, and the front box 58 and the rear box 59 stop at the leftmost side of the frame.

The stacking device further comprises a lifting device arranged on the conveying belt 3, the lifting device is located below the stopped rear box body 59 and comprises a lifting air cylinder 74 arranged below the conveying belt 3, an unpowered movable roller table 75 is arranged above the lifting air cylinder 74, and the movable roller table 75 is arranged in an opening in the middle of the conveying belt 3. At this time, the lift cylinder 74 is raised to lift the rear box 59 stopped on the movable roller table 75 to the same height as the front box 58 as shown in fig. 22.

The frame is also provided with a small frame, the structure of the small frame is similar to that of the frame, two I-shaped frames 68 on two sides of the frame are provided with a small I-shaped frame 76, four small gears 77 are arranged on four corners of the small I-shaped frame 76, annular small chains 78 are arranged on the four small gears 77, the small chains 78 form a rectangle, small push rods 79 are symmetrically arranged between the small chains 78 on two sides, one small gear 77 is connected with a servo motor 72 and rotates under the driving of the servo motor to drive the small chains 78 and the small push rods 79 to move.

When the front box 58 and the rear box 59 reach the bottom of the frame, the first push rod 711 moves to the bottom of the frame, the lifting cylinder 74 ascends to jack the rear box 59 stopped on the movable roller way 75 to the same height as the front box 58, at the moment, the rear box 59 is positioned in the small frame, the outer diameter and the rotating speed of the pinion 77 and the position of the small push rod 79 are adjusted, so that when the rear box 59 reaches the small frame, the small push rod 79 just moves to the bottom of the small frame, the small push rod 79 continues to move leftwards, the rear box 59 is pushed leftwards, and as shown in fig. 23, the rear box 59 is pressed on the front box 58. The first push rod 711 is now in front of the front case 58 to prevent the lower front case 58 from being pushed away by the frictional force generated by the forward movement of the rear case 58. As shown in FIG. 24, when the small push rod 79 pushes the rear box 59 completely to the upper side of the front box 58, the small push rod 79 starts to move upwards along the chain to stop pushing the box, and the first push rod 711 also moves upwards to the front of the rear box 59 to block the rear box 59 and prevent the rear box 59 from going past.

As shown in fig. 25, when the first push rod 711 and the small push rod 79 move upwards all the time and move to the right after leaving the rear box 59, and the second push rod 712 symmetrical to the first push rod 711 has moved to the bottom of the frame and moved to the left, the second push rod 712 is also provided with two closely spaced rods, and the second push rod 712 contacts the lower front box 58 and pushes the front box 58 and the rear box 59 which are overlapped together to move forwards along the conveyor belt 3, leave the unpowered section of the conveyor belt and contact the powered conveyor belt 3, thereby continuing to move forwards. The next two boxes along the belt also encounter the second push rod 712, decelerating, stopping forward as the second push rod 712 begins to move up the frame, and beginning the next cycle.

Because the movement of the push rod 71 has strict periodicity, the spacing distances of all the boxes of the stacking device are completely equal, the boxes are pushed to the front of the box stacking device in a timed and positioned manner, and accordingly box stacking can be better operated.

The stacked boxes are conveyed to a stacking device 4. As shown in fig. 2, the palletizing device 4 includes a walking platform 5 and four vertical columns 6 fixedly arranged on the walking platform 5, as shown in fig. 2, longitudinal rails 7 are fixedly arranged on the vertical columns 6, a lifting platform 8 capable of moving up and down along the longitudinal rails 7 is arranged on the longitudinal rails 7, a horizontal sliding rod 9 capable of sliding horizontally along the lifting platform is arranged on the lifting platform 8, the lifting platform 8 and the horizontal sliding rod 9 are connected with a driving device, a second vertical column 10 is fixedly arranged at the front end of the horizontal sliding rod 9, a sliding rail is arranged on the second vertical column 10, a platform 12 capable of sliding vertically along the sliding rail is arranged on the sliding rail, and a universal ball 14 is arranged on the platform 12. The stacking device 4 is further provided with a distributing device 2, and the distributing device 2 can distribute the boxes conveyed by the conveying belt 3 to two sides of the platform until the platforms are full of the boxes to form a regular row.

The distribution device 2 is arranged below the platform 12, the distribution device 2 is fixedly arranged on the walking platform 5, the distribution device 2 comprises a lead screw, a lead screw nut (not shown in the figure) and a pusher dog 18 arranged on the lead screw nut, a gap 13 is arranged on the platform 12, and the pusher dog 18 extends out of the gap 13. When the conveying belt 3 is conveyed to the box body, the motor drives the screw rod mechanism to operate, and drives the pusher dog 18 on the screw rod nut to move along the gap 13, so that the box body is pushed to move from the middle part of the platform 12 to the two sides until the box body is fully arranged on the platform, and a regular row is formed.

The distributing device 2 may also be an air cylinder disposed below the platform 12, the air cylinder includes a cylinder body and a piston rod, a shifting piece (not shown) is disposed on the piston rod, a shifting claw 18 is disposed on the shifting piece, and the shifting claw 18 extends out of the gap 13. When the conveyor belt 3 is conveyed to the box, the air cylinder drives the shifting piece 18 to move along the gap 13, so that the box is shifted to two sides from the middle of the platform 12.

The platform 12 is provided with a horizontal pushing device, and the horizontal pushing device comprises a push plate and a horizontal pushing cylinder connected with the push plate. After the boxes on the flat plate 12 are stacked in a row, the platform 12 moves up and down and back and forth under the driving of the driving device, and after the platform 12 is positioned at the corresponding position on the stack, the horizontal pushing cylinder is started to push the rows of boxes on the platform 12 to be placed at the corresponding position on the stack. And the stacking device is provided with a laser range finder.

The palletizing system of this structure has the following problems: after the boxes conveyed by the conveyor belt 3 are arranged in a row, the conveyor belt 3 stops working, the stacking device 4 pushes the arranged row of boxes to the stack body, then the stacking device 4 returns, and the conveyor belt 3 is opened again. By adopting the structure, the conveying belt 3 is continuously started, stopped and then started, the efficiency is low, the abrasion to the parts is serious, and the coordination of all the parts is easy to cause uncoordinated condition.

In order to solve the problem, a buffer platform 82 is arranged between the conveyor belt 3 and the platform 12, the universal balls 14 are also arranged on the buffer platform 82, and gaps 13 are arranged between the universal balls 14 on the buffer platform 82.

As shown in fig. 27, the buffering platform 82 includes a translation platform 821, two side connecting channels 822, and a middle connecting channel 823, a gap 13 is transversely disposed on the translation platform 821, a distribution device 2 is also disposed below the gap 13 of the translation platform 821, and a pusher dog 18 is disposed on the distribution device 2, and the structure of the pusher dog may be the same as that of the distribution device below the platform 12, as long as the box body can be distributed to two sides. Slits 13 are longitudinally formed in both side portions of the translation stage 821 and the both side connecting channels 822, and the fingers 18 provided in the slits 13 of the both side connecting channels 822 can be driven by a cylinder or a screw (not shown) provided therebelow, and the fingers 18 can push the box bodies moved to both sides of the translation stage 821 to corresponding positions on the stage 12.

A middle connecting channel 823 is arranged between the translation platform 821 and the platform 12 in the middle position, a space is reserved between the middle connecting channel 823 and the connecting channels 822 on the two sides, the translation platform 821, the platform 12, the middle connecting channel 823 and the connecting channels 822 on the two sides form an opening in the middle, and the front two of the four upright posts 6 are installed in the space. The structure can lead the distance between the upright posts 6 at the left side and the right side of the stacking device 4 to be smaller, and lead the stacking device 4 and the walking platform 5 to have more compact structures. The translation platform 821 and platform 12 may be adjustable according to the width of the container.

The box pushing mechanism is arranged above the translation platform 821 and the middle connecting channel 823, and as shown in fig. 27, the box pushing mechanism comprises a horizontal pushing guide rail, a cross rod capable of sliding along the horizontal pushing guide rail is arranged on the horizontal pushing guide rail, a vertical lifting rod is arranged on the cross rod, and a horizontal pushing plate is arranged on the vertical lifting rod.

As shown in fig. 28, the stacked box groups 87 transferred from the conveyor 3 reach the translation stage 821 first, and are distributed to both sides of the translation stage 821 by the distributing device, for example, two box groups 87 may be disposed on the left and right sides, as long as the width of the several boxes in the transverse direction matches the width of the connecting channel 822 on both sides. When a predetermined number of cases are placed on each of both sides of the translation stage 821, the fingers 18 in the slits 13 of the both-side connecting channels 822 and both-side portions of the translation stage 821 are actuated to push the cases on both sides of the translation stage 821 toward both sides of the stage 12 through the both-side connecting channels 822, as shown in fig. 29.

Meanwhile, the conveyor belt 3 continuously transfers the box body group 87, and when the next box body group 87 reaches the middle of the translation platform 821, the distribution device below the translation platform 821 stops working and does not distribute to the two sides any more. At this time, the vertical lifting rod is driven by the driving device to move downwards, as shown in the figure, the driving device may be a rack and pinion mechanism or a belt arranged on the vertical lifting rod and the cross rod, which drives the flat push plate downwards, the cross rod is also provided with a driving device, or a rack and pinion mechanism or a belt arranged on the cross rod and the flat push rail, the cross rod moves forwards along the flat push rail, and pushes the case body group 87 at the middle position of the translation platform 821 forwards, and through the middle connecting channel 823, the case body group is pushed to the middle position on the flat plate 12, as shown in fig. 29.

As shown in fig. 30, the dispensing means below the plate 12 directs this box assembly 87 sideways. At this time, the new box 87 reaches the middle position of the translation platform 821, the horizontal pushing plate is lifted, returns to the back of the box 87 on the translation platform 821, descends, pushes the box forwards to the flat plate 12, and the distributing device distributes the single box in place until the box on the flat plate 12 is full.

At this time, the box assembly transferred from the conveyor 3 comes to the translation stage 821, and as shown in fig. 31, the dispensing device on the translation stage 821 starts to operate to dispense the box assembly to both sides of the translation stage 821 for arrangement. Meanwhile, the lifting platform 8, the horizontal sliding rod 9 and the like start to work, the lifting platform 8 rises, meanwhile, the horizontal sliding rod 9 moves forwards, so that the whole row of boxes comes to the stacking position, the horizontal pushing device puts the whole row of boxes in place after the whole row of boxes are put in place, and then the platform 12 returns to wait for the next row of boxes.

Claims

1. The utility model provides a high-efficient box pile up neatly system of container which characterized in that:

the stacking device comprises a control system, a loading platform, a conveying belt and a stacking device connected with the conveying belt;

the sorting device is arranged on the conveying belt and can separate and turn over the transversely placed boxes and the vertically placed boxes, so that the transversely placed boxes and the vertically placed boxes are placed uniformly;

a box body combining device is arranged behind the sorting device on the conveying belt, and two adjacent box bodies on the conveying belt are combined together;

a box body stacking device is arranged behind the conveyor belt after the conveyor belt is combined and assembled, and the two combined box bodies are stacked up and down;

the stacking device comprises a walking platform and a stand column fixedly arranged on the walking platform, wherein a longitudinal rail is fixedly arranged on the stand column, a lifting platform capable of moving up and down along the longitudinal rail is arranged on the longitudinal rail, a horizontal sliding rod is arranged on the lifting platform, the lifting platform and the horizontal sliding rod are connected with a driving device, a second stand column is fixedly arranged at the front end of the horizontal sliding rod, a sliding rail is arranged on the second stand column, the sliding rail is provided with a platform capable of sliding up and down along the sliding rail, a distribution device is arranged below the platform, and a horizontal pushing device capable of pushing the whole row of boxes on the platform to a stack is arranged on the platform;

a buffer platform is arranged at the joint of the conveyor belt and the platform, and the box body conveyed from the conveyor belt is firstly placed on the buffer platform and then pushed to the platform from the buffer platform.

2. A container efficient box palletizing system as in claim 1, wherein: the sorting device comprises a branch conveying belt arranged beside the conveying belt, a line turning mechanism is arranged at the joint of the conveying belt and the branch conveying belt, and a turnover mechanism is arranged on the branch conveying belt or the conveying belt.

3. An efficient container body palletizing system as in claim 2, wherein: the wire rotating mechanism comprises a steering wheel, unpowered rollers are arranged on the steering wheel, and a steering mechanism capable of steering the rollers is arranged above the steering wheel.

4. A container efficient box palletizing system as in claim 3, wherein: the steering mechanism comprises a rotating shaft, a sheave mechanism arranged at the bottom of the rotating shaft, a shifting rod arranged at the top of the rotating shaft and a rack arranged on a steering wheel, wherein the rack is connected into a whole through a connecting rod, the rack can slide along the steering wheel, the roller and the rack are matched in position, the sheave mechanism is arranged at the bottom of the rotating shaft and comprises a driving drive plate fixedly connected with the rotating shaft and a driven sheave matched with the driving drive plate, the driving drive plate is arranged at the bottom of the rotating shaft and concentric with the rotating shaft, a gear meshed with the rack is arranged on the driven sheave, and the shifting rod is perpendicular to the rotating shaft.

5. A container high efficiency box palletizing system as set forth in claim 2, wherein: the turnover mechanism is arranged on the conveying belt, an opening is formed in the conveying belt behind the wire rotating mechanism, two supporting plates are fixedly arranged below the opening, two guide rods are arranged between the two supporting plates, an air cylinder is arranged between the two guide rods of the slider arranged on the two guide rods, one end of the air cylinder is connected with the other end of the slider and connected with a first supporting plate, an L-shaped turnover plate is connected with the slider, a hinged plate is arranged at the bottom of one side of the L-shaped turnover plate, one end of the hinged plate is hinged to the slider, the other end of the hinged plate is connected with a second supporting plate through a connecting rod, one end of the connecting rod is hinged to the L-shaped turnover plate, and the other end of the connecting rod is hinged to the second supporting plate.

6. A high efficiency container body palletizing system as set forth in claim 1, wherein: the combining device comprises two fixed shafts, two cross rods which are respectively arranged on the two fixed shafts, two vertical rods which are hinged with the cross rods, and a driving air cylinder which is hinged on the vertical rods, wherein the two vertical rods are respectively a left vertical rod and a right vertical rod, the left vertical rod is hinged with a lever which drives the driving air cylinder, the upper end of a cylinder barrel which drives the driving air cylinder is hinged on a fixed facility, and a parallelogram which can rotate around the two fixed shafts is formed by the two cross rods and the two vertical rods.

7. A container efficient box palletizing system as in claim 1, wherein: the stacking device comprises a frame fixedly arranged above the conveying belt, four driving gears are arranged on four corners of the frame, annular chains are arranged on the four driving gears, the chains form a rectangle, two push rods are symmetrically arranged between the chains on two sides, the distance between the two push rods on the annular chains is equal, the stacking device also comprises a lifting device arranged on the conveying belt, the lifting device is positioned below a stopped rear box body, the lifting device comprises a lifting cylinder arranged below the conveying belt, an unpowered movable roller way is arranged above the lifting cylinder, and the movable roller way is arranged in an opening in the middle of the conveying belt; the frame is further provided with a small frame, four pinions are arranged on four corners of the small frame, annular small chains are arranged on the pinions, the small chains form a rectangle, small push rods are symmetrically arranged between the small chains on two sides, and the distances between the small push rods on the annular small chains are equal.

8. A high efficiency container body palletizing system as set forth in claim 1, wherein: the buffer platform comprises a translation platform, two side connecting channels and a middle connecting channel, wherein a gap is transversely arranged on the translation platform, a distribution device is also arranged below the gap of the translation platform, gaps are longitudinally arranged on two side parts of the translation platform and the two side connecting channels, box pushing devices are arranged below the two side connecting channels, the box pushing devices can push boxes moving to two side edges of the translation platform to corresponding positions on the platform, a middle connecting channel is arranged between the translation platform and the platform at the middle position, a space is reserved between the middle connecting channel and the two side connecting channels, the translation platform, the middle connecting channel and the two side connecting channels surround an opening in the middle, and a stand column is arranged in the space; and a box pushing mechanism is arranged above the translation platform and the middle connecting channel.

9. A container efficient box body stacking method is characterized in that: the horizontal box body and the vertical box body which are randomly transmitted on the conveyor belt pass through a line transfer mechanism, the vertical box body and the horizontal box body are transferred to different conveyor line branches by the line transfer mechanism, a turnover mechanism is arranged on one conveyor line branch, the horizontal box body or the vertical box body is turned over, and then the two branches are combined; a device which can make the box body pause is arranged on the conveying line, and two adjacent box bodies which are separated by a certain distance are abutted together;

the two combined box bodies pause through a device on the conveying line, and the rear box body is lifted and pushed to the upper part of the front box body, so that the two box bodies are stacked;

a buffer platform is arranged between a platform of the stacking device and the conveying line, and after the boxes on the platform are stacked to a whole row, the stacking device is started to push the whole row of boxes to a stack pile; at the moment, the box bodies conveyed from the conveying belt are firstly stacked on the buffering platform, and after the platform of the stacking device returns, the box bodies stacked on the buffering platform are pushed to the platform.