Partition-controlled conveying device, article separation system, and assembly method of partition-controlled conveying device

Abstract

The present invention discloses a partition-controlled conveying device, an article separation system, and an assembly method for a partition-controlled conveying device, wherein the partition-controlled conveying device includes multiple rows and columns of closely arranged conveyors, all of which have parallel conveying directions and can be started and stopped independently. All of the conveyors form several conveying zones whose conveying surface heights decrease from the input end to the output end of the partition-controlled conveying device. The partition-controlled conveying device of this solution uses multiple conveying zones with gradually decreasing heights from the input end to the output end. Even if there are certain processing and installation errors, they will not exceed the designed height difference of adjacent conveying zones, thereby ensuring that articles are not obstructed during the conveying process, and there will be no problem of the current goods being unable to be effectively conveyed due to obstruction, affecting the normal conveying of subsequent goods and causing cargo congestion. This greatly improves the smoothness, effectiveness, and efficiency of article separation.

Description

Technical Field

[0001] The present invention relates to the field of logistics equipment, in particular to a partition-controlled conveying device, an article separation system and an assembly method of the partition-controlled conveying device. Background Art

[0002] Visual single-piece separation is achieved by controlling the start and stop of belt conveyors at different positions of the conveying device through a group of matrix-distributed belt conveyors to output the items on them one by one. The start and stop control of each belt conveyor is achieved by capturing the positions of multiple items on the belt conveyor through cameras.

[0003] Usually, the height of the conveying surface of the belt conveyor is designed to be the same. However, during the installation process, due to processing errors or installation errors, the height of the conveying surface of the rear belt conveyor (the belt conveyor that the items pass later during the conveying process) is higher than the height of the conveying surface of the front belt conveyor (the belt conveyor that the items pass first during the conveying process). At this time, due to the height difference, the items will be blocked and unable to be conveyed when being conveyed to the higher belt conveyor. This greatly affects the separation accuracy, and it is also easy to cause subsequent items to be piled up and unable to be conveyed normally, seriously affecting the stability of the conveying. Summary of the Invention

[0004] The purpose of the present invention is to solve the above problems existing in the prior art and to provide a partition-controlled conveying device, an article separation system and an assembly method of the partition-controlled conveying device.

[0005] The purpose of the present invention is achieved through the following technical solutions:

[0006] The partition-controlled conveying device includes multiple rows and columns of conveyors arranged closely together. The conveying directions of all the conveyors are parallel. Each of the conveyors can be started and stopped independently. All the conveyors form several conveying zones distributed in sequence from the input end to the output end of the partition-controlled conveying device. The heights of the conveying surfaces of the multiple conveying zones decrease in sequence from the input end to the output end of the partition-controlled conveying device.

[0007] Preferably, in the partition-controlled conveying device, the conveyor is arranged on a bracket, and the bracket includes a vertical plate, and the vertical plate is detachably plugged into a mounting seat.

[0008] Preferably, in the partition-controlled conveying device, one end of the support shaft of the conveyor for installing the roller is inserted into the vertical plate and is perpendicular to the vertical plate, and the other end of the support shaft is fixed on a bracket, and the bracket is fixed on the side of the vertical plate.

[0009] Preferably, in the partition-controlled conveying device, the conveyor is a belt conveyor, and the power source of the conveyor is adjustably arranged on the vertical plate.

[0010] Preferably, in the partition-controlled conveying device, the power source is provided on an adapter plate, the adapter plate is movably provided on the vertical plate in the longitudinal direction, and the adapter plate is connected to the support adjustment mechanism.

[0011] Preferably, in the partition-controlled conveying device, two conveyors are provided on each of the vertical plates.

[0012] Preferably, in the partition-controlled conveying device, a group of screw holes is provided on the top of the vertical plate.

[0013] Preferably, in the partition-controlled conveying device, the mounting seat includes a profile and two opposite insertion slots vertically arranged on the profile, and the vertical plate is detachably inserted into the two insertion slots.

[0014] The article separation system comprises any one of the above-mentioned zone-controlled conveying devices, wherein an image acquisition device with a lens facing its conveying surface is provided above the zone-controlled conveying device.

[0015] Preferably, in the object separation system, the image acquisition device is a 3D camera.

[0016] Preferably, in the article separation system, the input end of the partition control conveying device is connected to the output end of the lateral pulling device, and the lateral pulling device has a structure that conveys the articles thereon forward while shifting to both sides.

[0017] Preferably, in the article separation system, the output end of the partition-controlled conveying device is connected to a centering conveyor, and the centering conveyor has a structure that moves the articles thereon toward the center of its conveying surface while conveying them forward.

[0018] The assembly method of the partition control conveying device includes the following steps:

[0019] S1. Provide multiple mounting brackets, a conveying unit matching the number of mounting brackets, a conveying unit installation tool, and a lifting device. The conveying unit includes a bracket and a conveyor. The conveying unit installation tool includes a base plate, a screw rod corresponding to each screw hole on the top of the vertical plate, and a handle on the base plate.

[0020] S2, arranging the plurality of mounting seats in multiple rows and columns;

[0021] S3, connecting the conveying unit installation tool to the conveying unit by connecting the screw holes on the top of the vertical plate of the conveying unit through screws;

[0022] S4, after hoisting and installing the conveyor unit on a mounting seat using a hoisting device connected to the conveyor unit installation tool, releasing the connection between the conveyor unit installation tool and the installed conveyor unit;

[0023] S5, repeat S3-S4 until all the conveying units are installed on the corresponding mounting seats.

[0024] The advantages of the technical solution of the present invention are mainly reflected in:

[0025] The partitioned controlled conveying device of this solution adopts multiple conveying areas with gradually decreasing height from the input end to the output end. Even if there are certain processing and installation errors, the height difference between adjacent conveying areas will not be exceeded, so that the items will not be obstructed during the conveying process, and the problem of the current goods being unable to be effectively conveyed due to obstruction, affecting the normal conveyance of subsequent goods and causing cargo congestion, will not occur. This greatly improves the smoothness, effectiveness and separation efficiency of the items.

[0026] This solution sets the conveyor on the side of the vertical plate and opens screw holes on the top of the vertical plate, which can be connected with special installation tools during the subsequent module installation, thereby facilitating the lifting operation and providing convenient conditions for the rapid disassembly and assembly of the conveying unit, which is conducive to improving the disassembly and assembly efficiency and facilitating the maintenance of the equipment.

[0027] The conveyor of this solution adopts the method of driving the motor to tension the belt, which can effectively simplify the belt tensioning structure. At the same time, the support adjustment structure can not only conveniently adjust the position of the motor, but also provide upward support force for the motor to prevent the bolts connecting the adapter plate and the vertical plate from being damaged by shear force.

[0028] The mounting base of this solution has a simple structure and strong rigidity, which can ensure stability after installation. At the same time, it can effectively shorten the height of the vertical plate and make the equipment more compact.

[0029] The lateral pulling device of this solution is connected to the drive shaft through a universal joint shaft connector, so that even if the conveying directions of the conveyors are not parallel, their synchronous drive can be achieved through one power source, effectively reducing the number of power sources and lowering the operating cost of the equipment.

[0030] Each module of the transverse tension device of this solution adopts an adjustable power source position method, and the belt can be tensioned by moving the power source, eliminating the structure of the tensioning wheel and making the overall structure more compact.

[0031] The power source position adjustment structure of this solution not only facilitates the power source position adjustment, but can also effectively provide an upward support force to the motor mounting base, thereby reducing the shear force on the motor mounting base connecting bolts and ensuring the stability of the structure.

[0032] The lateral distance-changing device of this solution can effectively realize the combination of lateral pulling distance and small installation gap by designing the angle of the conveying direction of the conveyor, meeting the requirements of effective pulling distance and avoiding material jamming.

[0033] The centering conveyor of this solution uses tilted rollers to achieve centering or dispersion of objects thereon. The rollers are friction-driven by friction rollers. The rollers have a simple structure and a long service life, which saves a lot of maintenance work. At the same time, the rollers take up little space, are easy to flexibly adjust the angle, and are convenient to layout according to needs. By adopting a friction-driven method, multiple rollers can be driven by one power source, and the drive structure is easy to implement.

[0034] This solution utilizes a friction roller structure that allows for linear contact between the friction roller and each inclined roller, increasing the contact area with the rollers and ensuring drive stability. Furthermore, the symmetrical conical surface design of the boss on the friction roller effectively ensures the synchronous drive of two corresponding rollers in two rows of rollers, further simplifying the drive structure and ensuring balanced force on the friction roller, improving dynamic balance.

[0035] The inclined plates on both sides of the roller form trumpet-shaped limiting grooves, which can effectively guide and limit the items and prevent them from moving outside the conveyor.

[0036] The roller or friction roller of this solution adopts a floating structure. After long-term use and wear, the floating structure can automatically adjust to make the friction roller and the roller fit effectively, thereby ensuring the effectiveness and stability of the drive.

[0037] The motor of this solution is connected to the pulley through an expansion sleeve, which can effectively protect the motor under abnormal conditions, avoid damage to the motor caused by overload, and facilitate assembly.

[0038] This solution adopts a friction drive method. A group of rollers only needs to be driven by one friction belt, and does not require multiple transmission belts. The friction belt is not in a twisted and deformed state, and the tension can be controlled by conventional means, with low loss. At the same time, long rollers are used to replace short inclined guide wheels, which can effectively reduce the number of rollers and reduce the complexity of the installation structure. It is easy to install and maintain, and is conducive to improving the intensiveness of the equipment. In addition, the structure of the rollers is simpler than that of the grooved inclined guide wheels and is easier to implement.

[0039] The shaft mounting plates at both ends of the roller of this solution are perpendicular to the roller, which can effectively simplify the shaft mounting structure and reduce the difficulty of processing and assembly.

[0040] The shaft mounting plates at the opposite ends of the first roller and the second roller are located on the same support structure, which can effectively shorten the distance between the two sets of rollers. At the same time, the gap is covered in combination with the baffle, which effectively avoids the problem of goods being clamped or stuck.

[0041] The friction drive structure of this solution uses support rollers for support, which can effectively ensure the effective contact between the friction belt and the roller, ensuring stable conveying. At the same time, the support rollers are height-adjustable, which can effectively adjust the height of the friction belt at different positions to adjust the contact degree with the roller. On the one hand, this can reduce the difficulty of support roller installation, and on the other hand, it can be flexibly adjusted to improve the effectiveness of contact and transmission stability.

[0042] The reduction motor adopts the direct installation form of the torque arm. Compared with the chain drive, synchronous belt drive, etc., it has high transmission efficiency and lower noise.

[0043] Transition plates are set at the entrance and exit, and universal balls are installed on the transition plates, which can effectively reduce the gap between the import and export areas and avoid jamming of goods; a Furley wheel guide baffle is set at the exit, which can effectively guide the items and reduce the obstacles to the transportation of items, thereby improving the smoothness and timeliness of transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a top view of the partition control conveying device of the present invention;

[0045] Figure 2 It is a side view of the partition control conveying device of the present invention;

[0046] Figure 3 This is a front view of a conveying unit consisting of two conveyors and a bracket of a zone-controlled conveying device in the present invention;

[0047] Figure 4 It is a side view of a conveying unit composed of two conveyors and a bracket of the partition control conveying device in the present invention;

[0048] Figure 5 is an exploded view of the driving structure of the driving roller of the conveyor in the present invention;

[0049] Figure 6 It is an assembly diagram of the drive roller and drive structure of the conveyor in the present invention;

[0050] Figure 7 Schematic diagram of the adjustment structure of the transfer plate of the conveyor in the present invention;

[0051] Figure 8 This is a front view of the conveying unit of the present invention installed on the mounting base by using the mounting tool;

[0052] Figure 9 is a schematic diagram of the mounting base of the present invention (the side support member on one side is hidden in the figure);

[0053] Figure 10is a top view of the assembly of the installation tool and the conveying unit of the present invention;

[0054] Figure 11 is a top view of the article separation system of the present invention (the image acquisition device is hidden in the figure);

[0055] Figure 12 is a side view of the article separation system of the present invention;

[0056] Figure 13 is a top view of the lateral tension device of the present invention;

[0057] Figure 14 is a top view of a single module of the transverse distance device of the present invention;

[0058] Figure 15 is a side view of a single module of the transverse tension device of the present invention;

[0059] Figure 16 is a top view of the power source and transmission structure of a single module of the transverse distance device of the present invention (the power source is not shown in the figure);

[0060] Figure 17 It is a schematic diagram of the connection between the power source and the primary transmission mechanism in a single module of the transverse distance device of the present invention;

[0061] Figure 18 It is a schematic diagram of the adjustment structure of the power source in a single module of the transverse distance device of the present invention;

[0062] Figure 19 is an end view of the transverse tension device of the present invention;

[0063] Figure 20 is a top view of a first embodiment of a centering conveyor of the present invention;

[0064] Figure 21 2. It is a top view of the connection state of two rows of rollers and driving rollers of the first embodiment of the center conveyor of the present invention;

[0065] Figure 22 This is a front view of the first embodiment of the center conveyor of the present invention, in which the rollers are arranged on the supports;

[0066] Figure 23 is an end view of the drive roller and drive mechanism of the first embodiment of the centering conveyor of the present invention;

[0067] Figure 24 1 is a top view of the driving roller and driving mechanism of the first embodiment of the centering conveyor of the present invention (the driving roller connected to the motor is omitted in the figure);

[0068] Figure 25is an end view of the first embodiment of the center conveyor of the present invention, wherein the roller is (rotatably) connected to the drive roller;

[0069] Figure 26 is a front view of a first embodiment of a centering conveyor of the present invention;

[0070] Figure 27 is a top view of a second embodiment of the centering conveyor of the present invention;

[0071] Figure 28 It is a partial schematic diagram of the first and second rollers of the second embodiment of the centering conveyor of the present invention mounted on the shaft mounting plate;

[0072] Figure 29 This is a structural end view of the middle support plate, shaft mounting plate and baffle of the second embodiment of the centering conveyor of the present invention;

[0073] Figure 30 is a side view of a second embodiment of the centering conveyor of the present invention;

[0074] Figure 31 is a partial schematic diagram of the friction drive mechanism of the second embodiment of the centering conveyor of the present invention;

[0075] Figure 32 This is a structure for adjusting the height of the support rollers of the second embodiment of the centering conveyor of the present invention. DETAILED DESCRIPTION

[0076] The objects, advantages, and features of the present invention are illustrated and explained through the following non-limiting description of preferred embodiments. These embodiments are merely typical examples of the application of the technical solutions of the present invention, and any technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by the present invention.

[0077] In the description of the scheme, it should be noted that the terms "center", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. Moreover, in the description of the scheme, with the operator as a reference, the direction close to the operator is the proximal end, and the direction away from the operator is the distal end.

[0078] The partition control conveying device disclosed by the present invention is described below with reference to the accompanying drawings. Figure 1As shown, the partition-controlled conveying device 2000 includes a plurality of conveyors 2100 that can be independently started and stopped and are arranged in multiple rows and columns closely adjacent to each other; the number of the conveyors 2100 can be designed as needed. Preferably, the conveyors 2100 are 7 rows and 4 columns, and the conveying directions of all the conveyors 2100 are parallel. All the conveyors 2100 form a plurality of conveying areas distributed in sequence from the input end to the output end (from left to right) of the partition-controlled conveying device, and the heights of the conveying surfaces of the plurality of conveying areas decrease in sequence from the input end to the output end of the partition-controlled conveying device, that is, as shown in the attached figure. Figure 1 As shown, the 7 conveyors in the first row form a first conveying area 2500, the 7 conveyors in the second row form a second conveying area 2600, the 7 conveyors in the third row form a third conveying area 2700, and the 7 conveyors in the fourth row form a fourth conveying area 2800. Figure 2 As shown, when the outer end of the first conveying zone is taken as the input end and the outer end of the fourth output zone is taken as the output end, the height of the conveying surface 2510 of the first conveying zone 2500 is higher than the height of the conveying surface 2610 of the second conveying zone 2600, which is higher than the height of the conveying surface 2710 of the third conveying zone 2700, which is higher than the height of the conveying surface 2810 of the fourth conveying zone 2800.

[0079] Furthermore, each of the conveyors 2100 can be an independent belt conveyor and be arranged on a support, but this will result in a complex structure of the equipment and a large gap between the equipment, and require a complex support and installation structure.

[0080] Preferably, as attached Figure 3 , Attachment Figure 4 As shown, two conveyors 2100 are arranged on the same bracket 2200, and the bracket 2200 includes a vertical plate 2210, and two support plates 2220 are symmetrically arranged on both sides of the vertical plate 2210. The top of the support plate 2220 includes a supporting flat plate 2221, and an L-shaped mounting plate 2230 is arranged on the supporting flat plate 2221. The L-shaped mounting plate 2230 and the support plate 2220 together constitute a bracket, and the conveyor 2100 is mounted on the L-shaped mounting plate 2230 and the vertical plate 2210.

[0081] The conveyor 2100 can be any feasible device with a conveying function, such as a belt conveyor or a roller conveyor. Preferably, the conveyor 2100 is a belt conveyor, as shown in the attached Figure 3 , Attachment Figure 4 As shown, the conveyor 2100 includes a roller 2110, a belt 2120 and a driving roller 2130. There are two rollers 2110, and the two rollers 2110 are arranged at the same height at the upper and lower ends of the vertical plate 2210 and are perpendicular to the vertical plate 2210, and the height of the top of the roller 2110 is not lower than the height of the top of the vertical plate.

[0082] As attached Figure 3 As shown, each roller 2110 is rotatably mounted on a shaft 2180 via two bearings 2190. The shaft 2180 is fixed to the L-shaped mounting plate 2230 and the vertical plate 2210. A screw hole 2181 is provided on one end surface of the shaft 2180 fixed to the L-shaped mounting plate 2230. The other end of the shaft 2180 is provided with a plug-in shaft 2182, which plugs into a mounting hole (not shown) in the vertical plate 2210. This mounting structure is simple and compact, and can conveniently mount two conveyors 2100 on either side of the vertical plate 2210.

[0083] As attached Figure 3 As shown, a groove 2113 is formed on the outer peripheral surface of the roller 2110, and the belt 2120 is sleeved on the two rollers 2110, and a ridge 2121 corresponding to the groove 2113 is formed on the inner wall thereof. The ridge 2121 is embedded in the groove 2113, thereby effectively preventing the belt 2120 from running off during operation.

[0084] As attached Figure 3 , Attachment Figure 4 As shown, the belt 2120 is simultaneously sleeved on the outer circumference of a driving roller 2130, and a limiting groove 2131 corresponding to the position of the boss 2121 on the belt 2120 is also formed on the circumferential surface of the driving roller 2130. Figure 5 As shown, the driving roller 2130 includes at least one installation space 2132, and a reducer 2140 is arranged in the installation space 2132. The output shaft 2141 of the reducer 2140 is coaxially inserted into the socket 2133 on the driving roller 2130, and the front end face of the output shaft 2141 is screwed with a bolt (not shown in the figure), and the bolt passes through a mounting plate 2134 located at the left end of the socket 2133 and is connected to the output shaft 2141.

[0085] As attached Figure 5 , Attachment Figure 6 As shown, the input end of the reducer 2140 is connected to the power output shaft 2151 of the drive motor 2150, so that when the drive motor 2150 drives the reducer 2140, the reducer 2140 drives the drive roller 2130 connected thereto to rotate, and then drives the belt 2120 to drive the roller 2110 to rotate.

[0086] And, as attached Figure 5 , Attachment Figure 6As shown, the drive motor 2150 and the reducer 2140 are located on both sides of the vertical plate 2210 of the bracket 2200, so that the weight of the drive motor 2150 and the reducer 2140 can be evenly distributed on both sides of the vertical plate 2210. At the same time, the space on both sides of the vertical plate 2210 can be effectively utilized to avoid the problem of the drive motor 2150 and the reducer 2140 being located on the same side of the vertical plate and occupying more space.

[0087] In conventional structures, a dedicated tensioning roller is provided to facilitate tensioning of the belt 2120. However, since the vertical plate 2210 in this solution already bears the weight of two conveyors 2100 and there is limited installation space on the vertical plate 2210, installing a tensioning roller on the vertical plate 2210 is obviously inconvenient and also increases the load-bearing capacity of the vertical plate 2210, thereby increasing the support requirements for the vertical plate 2210. Furthermore, the bolts connecting the drive motor 2150 and the vertical plate 2210 are typically perpendicular to the vertical plate 2210 and are constantly subject to downward pressure from the weight of the drive motor 2150. Due to the vibration generated by the drive motor 2150 during operation, the bolts are continuously subjected to shear forces, making them susceptible to breakage.

[0088] Therefore, in order to solve these two problems, in a more optimal structure, the tension of the belt 2120 is adjusted by adjusting the position of the drive motor 2150 instead of adjusting the belt tension by the tension roller. Figure 5 -Attached Figure 7 As shown, the driving motor 2150 is fixed on an adapter plate 2160, and the position of the adapter plate 2160 is adjustably arranged on the vertical plate 2210. The adapter plate 2160 is connected to a support adjustment mechanism 2170 that provides support force to it. The position of the adapter plate 2160 on the vertical plate 2210 is adjusted by the support adjustment mechanism 2170, so that the position of the driving roller 2130 can be adjusted to achieve the tensioning of the belt 2120 and provide support to the adapter plate 2160 through the support adjustment mechanism 2170, so that the gravity of the driving motor is supported by the support adjustment mechanism 2170, which greatly reduces the force on the bolts.

[0089] In a more preferred embodiment, as shown in the attached Figure 5 -Attached Figure 7As shown, the adapter plate 2160 includes a convex portion 2161 facing the reducer 2140. After assembly, the convex portion 2161 is located in an adjustment hole on the vertical plate 2210, and the size of the adjustment hole is larger than the size of the end of the reducer 2140 facing the adapter plate 2160, so that the position of the reducer 2140 can be adjusted. The end surface of the reducer 2140 facing the adapter plate 2160 is also provided with a convex portion 2161. After assembly, the protrusion 2161 is embedded in the slot 2142, the reducer 2140 and the drive motor 2150 are fixed on the adapter plate 2160, and the power output shaft 2151 of the drive motor 2150 passes through the through hole 2162 on the adapter plate 2160 and is connected to the reducer 2140 on the other side of the adapter plate 2160. The through hole 2162 is coaxially arranged at the protrusion 2161. The adapter plate 2160 is connected to the vertical plate 2210 by bolts, and as shown in the attached figure, Figure 12 As shown, a group of waist-shaped holes 2163 extending vertically are formed on the adapter plate 2160, and a circular hole or waist-shaped hole corresponding to each of the waist-shaped holes 2163 is provided on the vertical plate 2210. The position of the adapter plate 2160 can be adjusted by adjusting the corresponding positions of the circular holes or waist-shaped holes and the waist-shaped holes 2163.

[0090] As attached Figure 7 As shown, the support adjustment mechanism 2170 for adjusting the position of the adapter plate 2160 includes a flat plate 2171 vertically arranged at the lower end of the adapter plate 2161, and a connecting hole is provided on the flat plate 2171. A support plate 2172 parallel to the flat plate 2171 is provided on the vertical plate 2210, and a bolt 2173 passes through the flat plate 2171 and the support plate 2172 from top to bottom. A fixing nut 2174 located between the flat plate 2171 and the support plate 2172 is screwed on the bolt 2173, and the fixing nut 2174 and the head of the bolt 2173 fix the flat plate 2171. Two adjusting nuts 2175 and 2176 are also threaded on the bolt 2173, one of the adjusting nuts 2175 is located between the fixing nut 2174 and the support plate 2172, and the other adjusting nut 2175 is located below the support plate 2172. The two adjusting nuts 2175 and 2176 adjust the height of the adjusting nuts 2175 and fix the bolt 2173 to the support plate 2172.

[0091] When the height of the adapter plate 2160 needs to be adjusted, the height of the bolt 2173 above the support plate 2172 can be adjusted by adjusting the two adjusting nuts 2175 and 2176, thereby driving the position adjustment of the adapter plate 2160.

[0092] As attached Figure 3 , Attachment Figure 4 As shown, one bracket 2200 and two conveyors 2100 constitute a conveying unit. In addition, the driving rollers 2130 of the two conveyors 2100 are arranged at the same height on both sides of the vertical plate 2210 and are staggered, so as to ensure the force balance of the vertical plate. Of course, in other embodiments, one bracket and one conveyor 2100 can also constitute a conveying unit. In order to make the installation of multiple conveying units more compact, as shown in the attached figure, Figure 8 As shown, the vertical plate 2210 of each conveying unit is detachably arranged on a mounting seat 2300 .

[0093] As attached Figure 9 As shown, the mounting base 2300 includes a bottom profile 2310, on which two opposed slots 2320 are vertically disposed. The upper ends of the slots 2320 are trumpet-shaped, with the upper ends being larger than the lower ends. The two slots 2320 are located on a side support member 2330, which is generally L-shaped and screwed to the bottom profile 2330. The vertical plate 2210 is detachably inserted into the two slots 2320 for positioning, and the vertical plate 2210 can be screwed to the side support member 2330.

[0094] In order to facilitate the installation of the conveying unit, as shown in the attached Figure 8 , Attachment Figure 10 As shown, a group of screw holes 2211 are provided on the top of the vertical plate 2210, and the screw holes 2211 are preferably two. A conveying unit installation tool 2400 is also included, which is used to install the conveying unit on the mounting seat, which includes a base plate 2410, and a screw rod 2420 corresponding to each of the screw holes 2211 is vertically provided on the base plate 2410. The screw rod 2420 can be part of a bolt, and a rotating operating part 2430 is provided on the top of the screw rod. A handle 2440 is also provided on the base plate 2410, and the handles 2440 are preferably four and distributed in a rectangular shape.

[0095] When assembling the partition-controlled conveying device, the following steps can be followed:

[0096] S1, provide multiple mounting seats, conveying units with the same number of mounting seats, and a conveying unit installation tool and lifting equipment. The number of mounting seats is determined according to the number of conveyors required for the whole machine. The conveying unit includes a bracket and one or two conveyors.

[0097] S2, placing the plurality of mounting bases in multiple rows and columns adjacent to each other on the equipment rack as required.

[0098] S3, connecting the conveying unit installation tool to a conveying unit by connecting the screw hole on the top of the vertical plate of the conveying unit through the screw rod of the installation tool.

[0099] S4, after the conveying unit is lifted and installed on a mounting seat by a lifting device connected to the conveying unit installation tool, the connection between the conveying unit installation tool and the installed conveying unit is released; the lifting device can be connected to the handle 2440 through a lifting rope, a hook, etc., and the lifting device and the installation tool can be connected before or after step S3.

[0100] S5, repeat S3-S4 until all the conveying units are installed on the corresponding mounting seats.

[0101] This solution further discloses an article separation system, as shown in the attached Figure 11 , Attachment Figure 12 As shown, the apparatus includes the zone-controlled conveying device 2000 of the above embodiment. An image acquisition device 3000 is disposed above the zone-controlled conveying device 2000, with a lens facing and covering the conveying surface of the zone-controlled conveying device 2000 and the output end area of ​​the diverting conveyor 1000. The image acquisition device 3000 can be any known device with an image acquisition function, such as a camera, a webcam, or a CCD. Preferably, the image acquisition device 3000 is a 3D camera that can directly acquire the position and posture of an item on the single output device 2000, as well as the three-dimensional dimensions of the item, providing reliable data support for subsequent accurate sorting.

[0102] The article separation system also includes a

[0103] The lateral pulling device 1000 has a structure that conveys the articles on it forward while shifting them to both sides;

[0104] The centering conveyor 4000 has a structure that moves the articles thereon toward the center of its conveying surface while conveying them forward.

[0105] The transverse distance device 1000 generally includes a first conveying area and a second conveying area. As items move from one end of the transverse distance device to the other, items in the first conveying area are deflected toward the first side of the device, while items in the second conveying area are deflected toward the second side of the device. The specific implementation structure can be designed based on different needs. In one embodiment, a structure similar to that described in Application No. 201720345088.X can be employed.

[0106] As attached Figure 13As shown, in another feasible embodiment, the first conveying area and the second conveying area are formed by multiple parallel belt conveyors 1100. Of course, the belt conveyors can also be replaced by roller conveyors. The multiple belt conveyors 1100 are divided into several groups, and each group of belt conveyors forms a module. The multiple belt conveyors in the module are driven by a power source 1300.

[0107] The number of modules and the number of belt conveyors in each module can be determined as needed. Figure 13 , Attachment Figure 14 As shown, the modules are described as 3, each module including 4 belt conveyors.

[0108] The following will focus on describing the specific structure of each module. Figure 14 As shown, it includes four parallel belt conveyors 1100. The conveying directions A of the four belt conveyors 1100 can be designed as needed. For example, the conveying directions of the four belt conveyors are all parallel. Of course, the conveying directions of some belt conveyors can be made parallel, while the conveying directions of some belt conveyors can maintain an angle. Alternatively, the conveying directions A of adjacent belt conveyors can maintain an angle, that is, the conveying directions of the four belt conveyors 1100 are not parallel.

[0109] As attached Figure 14 , Attachment Figure 15 As shown, each belt conveyor generally includes two parallel rotating shafts 1150 arranged at the same height on a frame 1110 and capable of rotating around their axes. A roller 1120 is provided on each rotating shaft 1150, and a belt 1130 is mounted on the two rollers 1120. A support plate 1140 is also provided between the two rollers 1120, which is located in the space enclosed by the belts 1130 and close to the upper edge of the belts. In order to drive the belts 1130 to rotate for conveying, at least one of the two rollers 1120 is connected to a power source. In this case, the power source can be integrated into one of the rollers 1120, that is, one roller 1120 is an electric roller. Of course, the power source can also be provided outside the roller 1120, and connected and driven to rotate one of the rollers through various feasible transmission methods to realize belt drive.

[0110] However, in this structure, each of the belt conveyors 1100 requires a power source to drive, so the component cost and operating cost of the equipment are obviously high. Therefore, in a better way, as shown in the attached Figure 4 As shown, it is necessary to drive the plurality of belt conveyors 1100 through a power source 1300 . The following will focus on describing how to achieve the transportation of the plurality of belt conveyors 1100 through a power source.

[0111] Specifically, as attached Figure 14 -Attached Figure 16 As shown, the four belt conveyors are connected to the power source 1300 through a transmission mechanism 1200. The transmission mechanism 1200 includes a plurality of drive shafts 1210 connected in sequence and rotatable around their respective axes. Each drive shaft 1210 is provided with two bearings 1240. Each bearing 1240 is fixed on a bearing seat 1250. The number of the drive shafts 1210 is consistent with the number of the belt conveyors. Each drive shaft 1210 is connected to a roller 1120 of a belt conveyor 1100 through a secondary transmission mechanism 1230, so that when each drive shaft 1210 rotates, the roller 1120 of the belt conveyor connected thereto is driven to rotate to realize the rotation of the belt. The specific structure of the secondary transmission mechanism 1230 can be set as a mechanism consisting of a synchronous belt and a pulley, or a mechanism consisting of a sprocket and a chain, or a gear transmission mechanism as needed. It is preferably a structure consisting of a synchronous belt 1231, pulleys 1232, 1233 and a tensioning pulley 1234, and a pulley 1232 is coaxially connected to one end of the rotating shaft 1150 where the roller 1120 is located. The adjustment mechanism of the tensioning pulley 1234 is a known mechanism and will not be elaborated here.

[0112] The axis of each drive shaft 1210 is parallel to the conveying surface of the corresponding belt conveyor 1100 and perpendicular to the conveying direction of the belt conveyor 1100. That is, when the conveying directions of the above-mentioned four belt conveyors are parallel, the axes of the four transmission shafts are parallel and they are coaxial. At this time, the four transmission shafts can also be one axis, and it is easy to achieve synchronous driving of the four belt conveyors.

[0113] However, when the conveying directions of the four belt conveyors 1100 are not parallel in whole or in part, two adjacent drive shafts 1210 among the four drive shafts 1210 are not in a coaxial state, so a certain structure is required to realize the torque transmission connection between them. Figure 16 As shown, adjacent drive shafts 1210 are connected via a universal joint shaft connector 1220, i.e., the four drive shafts 1210 are connected into a whole via three universal joint shaft connectors 1220. Because the universal joint shaft connectors 1220 are inherently deformable, they can effectively compensate for the misalignment between two adjacent drive shafts 1210 through their own deformation, achieving torque transmission and allowing the two drive shafts 1210 to rotate synchronously about their respective axes under the drive of the power source 1300.

[0114] One of the four drive shafts 1210 located at one end is connected to the power source 1300 and driven to rotate by it. The power source 1300 is a motor. The motor can be any feasible motor, and preferably a motor with a reducer. Figure 15 -Attached Figure 17 As shown, the power output shaft of the motor 1300 is connected to the drive shaft 1210 at one end through a primary transmission mechanism 1260, driving the drive shaft 1210 to rotate. The primary transmission mechanism 1260 can be a variety of feasible torque transmission structures similar to the secondary transmission mechanism. Preferably, the primary transmission mechanism 1260 is composed of a synchronous belt 1261 and synchronous pulleys 1262 and 1263. At this time, in order to facilitate the adjustment of the tension of the synchronous belt 1261, an adjustable tensioning pulley is usually provided to achieve this. However, this structure is obviously not conducive to the simplicity of the overall structure. Therefore, in a more preferred embodiment, the installation position of the motor is adjustable.

[0115] Specifically, the motor is mounted on a motor mounting base 1500, which is adjustably positioned on a fixed mounting bracket 1700. The motor mounting base 1500 is formed with at least two waist-shaped holes 1510 extending in parallel directions, preferably four, and the mounting bracket 1700 is formed with a circular hole 1710 corresponding to each waist-shaped hole. The motor mounting base 1500 and the mounting bracket 1700 are connected by bolts passing through the waist-shaped holes 1510 and nuts connecting the circular holes 1710. By adjusting the position of the bolts in the waist-shaped holes, the position of the motor mounting base 1500 can be adjusted. Adjustment of the position of the motor mounting base 1500 drives adjustment of the position of the motor, thereby adjusting the tension of the belt. Generally, the position of the motor mounting base 1500 can be adjusted in any direction.

[0116] In a more preferred embodiment, as shown in the attached Figure 15 -Attached Figure 18 As shown, the motor mounting seat 1500 is arranged on the mounting frame 1700 in a manner that the mounting height is adjustable, and the motor mounting seat 1500 is connected to a height adjustment mechanism 1600 that drives it to adjust the height. The height adjustment mechanism 1600 can be arranged above the motor mounting seat 1500. During adjustment, the height adjustment mechanism 1600 can apply a downward pressure to the motor mounting seat 1500 to move the motor mounting seat 1500 downward. At this time, the structure of the height adjustment mechanism 1600 can refer to the conventional adjustment structure for adjusting the belt tension, which will not be repeated here.

[0117] A more ideal way is to Figure 18As shown, the height adjustment mechanism 1600 is arranged below the motor mounting seat 1500, and the height adjustment mechanism 1600 can drive the motor mounting seat 1500 to move up and down, and the height adjustment mechanism 1600 normally applies an upward supporting force to the motor mounting seat 1500, and the height adjustment mechanism 1600 includes a bolt 1610, and the bolt 1610 is screwed on three nuts 1620, 1630, and 1640, one of which is a nut 1620 and the tail of the bolt 1610. The bolt 1610 is fixed to the folding plate 1 of the motor mounting seat 1500. 520, the other two nuts 1630 and 1640 are fixed to the folding plate 1720 of the mounting frame 1700. By adjusting the positions of the nuts 1630 and 1640 on the bolt 1610, the position of the bolt 1610 can be fixed. Since the bolt 1610 always provides support force to the motor mounting seat 1500, the bolts connecting the motor mounting seat 1500 and the mounting frame 1700 basically do not need to bear the weight of the motor, and can effectively protect the bolts connecting the mounting plate and the mounting frame 1700 to avoid the problem of them being broken due to long-term shear force.

[0118] As attached Figure 13 As shown, the conveying surfaces of all the belt conveyors 1100 in the three modules are of equal height and length, forming a large isosceles trapezoidal conveying surface. The conveying surfaces of all the belt conveyors 1100 are symmetrically distributed on both sides of the symmetry axis Y of the isosceles trapezoidal conveying surface. All the belt conveyors located on one side (left side) of the symmetry axis Y are inclined toward the first side 1002 (left side) of the lateral pitch changing device, forming the first conveying area. All the belt conveyors located on the other side (right side) of the symmetry axis Y are inclined toward the second side 1003 (right side) of the lateral pitch changing device, forming the second conveying area.

[0119] As attached Figure 13 As shown, the conveying directions of all belt conveyors located on one side of the symmetry axis Y can be parallel. More preferably, the conveying directions of all belt conveyors 1100 located on one side of the symmetry axis are not parallel, and the angle between the conveying directions of any two adjacent belt conveyors is the same and is between 1°-2°, more preferably around 1.5°. Such a structural arrangement can, on the one hand, maximize the lateral distance of the items conveyed to the lateral distance-changing device, and on the other hand, minimize the spacing between the belt conveyors, thereby avoiding the situation where the items are stuck in the gap between the belt conveyors during transportation and cause damage.

[0120] To further avoid the possibility of items getting stuck in the gaps between the belt conveyors 1100, as shown in the attached Figure 13 , Attachment Figure 19As shown, a cover plate 1004 is provided at the gap between adjacent belt conveyors. The cover plate 1004 can be a plurality of independent plates or an integral plate, on which avoidance holes corresponding to each of the belt conveyors 1100 are opened. The top surface height of the cover plate 1004 is lower than the conveying surface of the belt conveyor, thereby avoiding interference with the conveying of the belt conveyor.

[0121] In addition, as attached Figure 13 , Attachment Figure 19 As shown, baffles 1005 are respectively provided on the outside of the belt conveyors at both ends and are located above the conveying surface of the belt conveyors. The two baffles 1005 form an isosceles trapezoidal channel, which can effectively limit the moving range of the items and prevent the items from being conveyed to the outside of the horizontal pulling device.

[0122] Of course, in other embodiments, the lateral stretching device 1000 may also adopt a structure in which multiple rows of inclined rollers and driving rollers cooperate with each other in the center conveyor described below.

[0123] The centering conveyor 4000 can be various known centering devices, for example, the structures disclosed in application numbers 201811194430.6 and 201720345088.X.

[0124] In a more preferred embodiment, as shown in the attached Figure 20 As shown, it includes a frame 4500, the structure of which can be designed as needed. The frame 4500 is provided with multiple rows of rotatable rollers 4100, which form an intermediate conveying area and a first center conveying area and a second center conveying area located on both sides of the intermediate straight conveying area. Articles located in the intermediate straight conveying area are not offset to both sides, and articles located in the first center conveying area and the second center conveying area are offset to the intermediate straight conveying area during the process of moving from one end to the other end of the intermediate conveyor.

[0125] As attached Figure 20 , Attachment Figure 21As shown, multiple rows of rollers 4100 form a conveying surface that is wider at the input end and narrower at the output end, with each row of rollers symmetrically centered about the centerline X of the conveying surface. The axes of the two rollers 4110 located in the middle of each row of rollers 4100 are perpendicular to the centerline X. The remaining rollers 4120 are tilted toward the centerline X to move items toward the centerline X. Specifically, the remaining rollers 4120 located to the left of the centerline X are tilted to the right, while the remaining rollers 4120 located to the right of the centerline X are tilted to the left. All the rollers 4110 located in the middle form the first conveying zone, the remaining rollers 4120 located to the left of the centerline X form the second conveying zone, and the remaining rollers 4120 located to the right of the centerline X form the third conveying zone.

[0126] Therefore, when articles are conveyed on the multiple rows of rollers, the articles are moved toward the center line of the conveyor under the force of the rollers, so that the articles on both sides can be gathered toward the middle.

[0127] As attached Figure 22 As shown, the installation position of each of the rollers 4100 is fixed, and they are respectively installed on the supports 4600 provided on the frame 4500. The rollers 4100 are connected to the support shafts 4610 of the supports 4600 through bearings not shown in the figure, and the supports 4600 where the rollers in each row are located are respectively provided on an independent mounting plate 4520 on the frame 4500.

[0128] As attached Figure 20 As shown, the number of rows of the rollers 4100 can be designed as needed. Preferably, there are 18 rows of rollers 4100, and the number of rollers in each row can be designed as needed. Preferably, the number of rollers in the 1st to 8th rows is the same, the number of rollers in the 9th to 14th rows is the same and the number in each row is 1 less than the number of rollers in the 1st to 8th rows, and the number of rollers in the 15th to 18th rows is the same and is 1 less than the number of rollers in the 9th to 14th rows respectively; at the same time, except for the rollers in the middle position, the center lines of adjacent rows of rollers are staggered one by one.

[0129] As attached Figure 20 , Attachment Figure 21 As shown, the inclination angles of the two groups of rollers on both sides of the center line X can also be designed as needed. In a preferred embodiment, except for the middle roller 110, the inclination directions of the other rollers in each row maintain an angle of less than 30° with the center line, further preferably between 5°-25°, and more preferably between 10°-20°. In addition, except for the rollers in the middle position of each row, all rollers 4120 located on the same side of the center line X have the same inclination direction.

[0130] As attached Figure 20 , Attachment Figure 21As shown, each row of rollers 4100 is driven by a driving roller 4200 in contact with its wheel surface, and the driving roller 4200 is connected to a driving mechanism 4300 that drives its self-rotation. Two adjacent rows of rollers are driven by a driving roller 4200 located between them.

[0131] The driving roller 4200 can be a circular shaft. At this time, except for the roller in the middle position which is in a straight position, the other rollers are all inclined. At this time, the driving roller 4200 can only have point contact with the wheel surface of the inclined roller, which is obviously not conducive to the stability of the friction drive.

[0132] Therefore, in a more optimal manner, it is necessary to make the driving roller 4200 in line contact with each roller 10 in a row of rollers to ensure the driving stability. Figure 21 As shown, the driving roller 4200 includes a main shaft 4210, and a boss 4220 is formed on the main shaft 4210, which abuts against the wheel surface of each of the rollers 4100. The boss 4220 includes a first frustum 4221 and a second frustum 4222. The second frustum 4222 is symmetrical to the first frustum 4221, and their small ends are arranged back to back, so that one boss 4220 can drive two rollers with the same sequence number in two adjacent rows of rollers. For example, the conical surface of the first frustum 221 fits with the leftmost wheel surface of the first roller in the first row of rollers, and the conical surface of the second frustum 4222 fits with the leftmost wheel surface of the first roller in the second row of rollers. Therefore, one driving roller 4200 can drive two adjacent rows of rollers to rotate.

[0133] As attached Figure 23 -Attached Figure 24 As shown, each of the driving rollers 4200 is rotatably arranged on the frame 4500 through two bearings (not shown in the figure) and is driven by a driving mechanism 4300. The driving mechanism 4300 includes a motor 4310. The motor 4310 can be various feasible servo motors, stepper motors, brushed motors, brushless motors, etc. The motor 4310 is connected to one end of the driving roller 4200 through a first transmission structure composed of a pulley 4320 and a synchronous belt 4330, that is, the motor shaft of the motor 4310 is connected to a pulley 4320. In order to protect the motor 4310 and facilitate assembly, the motor 4310 is connected to the pulley 4320 through an expansion sleeve (not shown in the figure). One end of the driving roller 4200 is connected to the other pulley 4320. The two pulleys are connected by a synchronous belt 4330. The synchronous belt 4330 is preferably a V-belt, but it can also be a synchronous belt with a boss on the inner surface.

[0134] Of course, the transmission mechanism may also be other feasible structures, such as a gear transmission mechanism or a transmission mechanism consisting of a chain and a sprocket.

[0135] To adjust the tension of the synchronous belt 4330, the motor 4310 is adjustably mounted on the frame 4500, thereby eliminating the need for a tensioning pulley and simplifying the tensioning structure of the synchronous belt 4330. For example, the frame 4500 is provided with a set of waist-shaped holes extending in parallel directions (not shown in the figure). The motor 4310 is secured to the frame 4500 via a set of bolts and nuts passing through the waist-shaped holes.

[0136] More preferably, as attached Figure 23 As shown, the motor 4310 is fixed to an adapter plate 4340. The adapter plate 4330 is adjustably mounted on the frame and connected to an adjustable support mechanism that drives its movement and provides an upward support force. Specifically, a waist-shaped hole 4341 is formed on the adapter plate 4340, and a corresponding connection hole is provided on the frame. The connection hole can be a round hole or a waist-shaped hole. The adapter plate 4340 is fixed to the frame by a bolt (not shown) passing through the waist-shaped hole 4341 and the connection hole and then connecting with a nut (not shown). At the same time, the bottom of the adapter plate 4340 includes a flange 4342. At least one adjustment screw 4350 is vertically mounted on the flange 4342. The adjustment screw is fixedly connected to the flange 4342 via a fastening nut 4360. The adjustment screw 4350 is also adjustably fixed to the support plate 4510 on the frame 4500 via two adjustment nuts 4370. This structure not only effectively tensions the synchronous belt 4330 through the movement of the motor 4310, eliminating the need for an additional tensioning structure, but also effectively supports the motor by adjusting the nut 4360, thereby reducing the shear force on the fixing bolts connecting the adapter plate 4340 and the frame, effectively ensuring the reliability and stability of the installation of the motor 4310.

[0137] In addition, each of the driving rollers 4200 can be connected to a driving mechanism 4300. This method increases the number of power sources, which is obviously disadvantageous for reducing equipment costs and operating costs. In a preferred structure, multiple driving rollers 4200 are driven by a motor 4310, that is, as shown in the attached Figure 23 , Attachment Figure 24 As shown, adjacent drive rollers 4200 are connected via a second transmission mechanism consisting of a synchronous belt 4380 and a pulley 4390. The tensioning of the synchronous belt 4380 is achieved by providing a movable tensioning pulley. The structure of the movable tensioning pulley is well known in the art and will not be described in detail here. Of course, the transmission mechanism can also be a gear transmission mechanism or a transmission mechanism consisting of a chain and sprocket.

[0138] In addition, due to the friction drive method, the driving roller 4200 is likely to cause wear of the rotating roller 4100 after long-term friction with the rotating roller, resulting in the driving roller 4200 not being able to fully contact the rotating roller, affecting the effectiveness of the drive. Therefore, in a more optimal structure, the driving roller 4200 or the rotating roller 4100 is set on an elastic mechanism.

[0139] In one embodiment, for example, when the axis height of the driving roller 4200 is higher than the axis height of the rotating roller 4100, the driving roller 4200 applies pressure to the rotating roller 4100, and the rotating roller 4100 is set on the elastic mechanism. Specifically, as shown in the attached Figure 22 As shown, the support 4600 includes a base 4620, and the base 4620 is provided with a guide shaft 4630 which is perpendicular to its two side plates 4621 and extends at both ends to the outside of the two side plates 4621. An H-shaped floating seat 4640 is movably provided on the support 4620, and the two side plates 4641 of the floating seat 4640 are fitted into the outside of the two side plates 4621 of the base 4620. The two side plates 4641 of the floating seat 4640 are formed with a sliding groove or a waist-shaped hole extending vertically, and the guide shaft 4630 is located in the sliding groove or the waist-shaped hole and they cannot rotate relative to each other. The outer periphery of the guide shaft 4630 is also sleeved with a torsion spring 4650 located between the floating seat 4640 and the base, and one end of the torsion spring 4650 rests on the floating seat 4640 and is in a compressed and deformed state under normal circumstances. Therefore, when the rotating roller 4100 is worn, the reaction force of the torsion spring 4650 when it returns to its original state can drive the floating seat 4640 to move upward, so that the rotating roller 4100 moves upward and keeps in contact with the driving roller 4200.

[0140] In another embodiment, as shown in the attached Figure 25 As shown, the H-shaped floating seat 4640 can also be rotated about the guide shaft 4630 to adjust the position of the rollers 4100 thereon. In this case, the drive roller 4200 can be located directly in the middle of the two rows of rollers 4100. The guide shaft 4630 is a circle. Under normal conditions, the floating seat 4640 is tilted, and the torsion spring 4650 remains in a compressed and deformed state. When worn, the deformation reaction force of the torsion spring 4650 drives the floating seat 4640 to rotate about the guide shaft 4630, that is, the left floating seat rotates clockwise, and the right floating seat rotates counterclockwise, thereby maintaining contact between the rollers and the drive roller.

[0141] In another embodiment, if the axis of the driving roller 4200 is located below the axis of the rotating roller 4100, the driving roller 4200 applies an upward lifting force to the rotating roller 4100, and the driving roller 4200 is then set on the elastic mechanism. The elastic mechanism here can refer to the structure disclosed in application number 201711324626.8.

[0142] In order to prevent the items on the center conveyor from moving out of it, Figure 20 , as attached Figure 26 As shown, two inclined plates 4400 are symmetrically arranged on both sides of the rotating roller 4100. The inclined plates 4400 are perpendicular to the conveying surface and the spacing between the input ends of the two inclined plates 4400 is smaller than the spacing between the output ends, that is, an isosceles trapezoidal channel with a wide input end and a narrow output end is formed between the two inclined plates 4400.

[0143] Of course, in other embodiments, the center conveyor may adopt the following structure in addition to the above structure.

[0144] As attached Figure 27 As shown, it includes a frame 4001, on which a first roller group 4002 and a second roller group 4003 are provided. Each first roller 4004 of the first roller group 4002 is rotatably provided on the frame 4001. All first rollers 4004 are of equal height and have parallel axes. The gaps between adjacent first rollers 4004 can be designed as needed and are not limited here. The number of first rollers 4004 can be designed as needed and is not limited here. At the same time, the length of the first rollers 4004 varies depending on their installation location, mainly manifested in that the first rollers 4004 near the inlet and outlet positions are shorter, while the first rollers at other positions have the same length.

[0145] As attached Figure 27 As shown, the second roller group 4003 is arranged adjacent to the first roller group 4002, and each second roller 4005 of the second roller group 4003 is rotatably arranged on the seat frame 4001. All second rollers 4005 are of equal height and have parallel axes. The gaps between adjacent second rollers 4005 can also be designed as needed and are not limited here. The number of second rollers 4005 can be designed as needed and is not limited here. At the same time, the length of the second rollers 4005 varies depending on their installation location, mainly manifested in that the second rollers 4005 near the inlet and outlet positions are shorter, while the second rollers 4005 at other locations have the same length.

[0146] As attached Figure 27As shown, any of the first rollers 4004 and any of the second rollers 4005 are at the same height and their axes maintain an obtuse angle. Preferably, the angle a between the axes of any of the first rollers 4004 and any of the second rollers 4005 is between 145° and 165°, preferably between 150° and 160°, and more preferably around 155°. That is, the inclination angles of the first rollers 4004 and the second rollers 4005 are both around 12°. Such an angle setting can make the centering process of the goods more stable and is conducive to flexible sorting. At the same time, the length of the conveying surface of the centering conveyor is not less than 2700 mm, thereby effectively meeting the centering needs of long goods.

[0147] The rollers of the first roller group 4002 and the second roller group 4003 can be in one-to-one correspondence or can be staggered one-to-one. Figure 27 As shown, each first roller 4004 corresponds to a second roller 4005 , that is, each first roller 4004 is symmetrically arranged with a second roller 4005 .

[0148] As attached Figure 27 , Attachment Figure 28 As shown, each of the first roller 4004 and the second roller 4005 is rotatably arranged on a support shaft 4006 through a bearing (not shown in the figure), and each of the support shaft 4006 is mounted on the seat frame 4001. The installation of the support shaft 4006 where the first roller 4004 is located is described below as an example. The support shaft 4006 is arranged on the shaft mounting plate 4007 and the side plate 4008 provided on the seat frame 4001, and the shaft mounting plate 4007 is perpendicular to the support shaft 4006. At the same time, non-circular holes are formed on the shaft mounting plate 4007 and the side plate 4008. The inner end of the support shaft 4006 (the end facing the second roller) is inserted into the non-circular hole on the shaft mounting plate 4007 and the shape of its end is consistent with the shape of the non-circular hole. The outer end of the support shaft 4006 is inserted into the non-circular hole of the side plate 4008 and the shape of its end is consistent with the shape of the non-circular hole, thereby effectively preventing the support shaft 4006 from rotating. At the same time, the shaft mounting plate 4007 is fixed to the middle support plate 4009 provided on the seat frame 4001. Of course, the inner end (the end facing the second roller) of the support shaft of the two short first rollers near the inlet is installed on an independent support structure, and the outer end is installed on the side 4008 of the base; the inner end of the support shaft of the two short first rollers near the outlet is installed on the shaft mounting plate 4007 on the middle support plate 4009, and the other end is installed on an independent support member.

[0149] In addition, as attached Figure 28As shown, the shaft mounting plate 4007 where the opposite ends (inner ends) of the support shafts where the first roller 4004 and the second roller 4005 are located are located is located on the same intermediate support plate 4009. Specifically, the intermediate support plate 4007 includes a main support plate 4010, and the support plate 4010 is fixed on the seat frame 4001. Vertical plates 4011 are respectively provided on both sides of the main support plate 4010. Each vertical plate 4011 can be a complete plate or multiple plates, and is formed with avoidance holes for the installation of each support shaft; two A gap is maintained between the vertical plates 4011, and the shaft mounting plates 4007 are respectively provided on the opposite end faces of the two vertical plates 4011. The shaft mounting plates 4007 maintain an angle with the vertical plates 4011 on which they are located, and the shaft mounting plates 4007 are symmetrically arranged on both sides of the main support plate 4010. The shaft mounting plates 4007 and the vertical plates 4011 can be connected by welding, or can be integrally injection molded or stamped. Therefore, this structure can effectively shorten the distance between the first roller group and the second roller group, making the overall structure more compact.

[0150] Further, as attached Figure 29 As shown, a baffle 4012 located on the intermediate support plate is provided in the gap between the first roller group 4002 and the second roller group 4003. The baffle 4012 is parallel to the conveying surface of the center conveyor and is located below the conveying surface. The baffle 4012 can effectively block the gap between the first roller group and the second roller group, preventing the problem of material jamming when conveying items, especially bag-shaped items. At the same time, the baffle 4012 is provided on a vertical support plate 4013 perpendicular thereto. The vertical support plate 4013 is fixed between the two vertical plates 4011 and maintains a gap with the support plate 4010, thereby providing avoidance space for the installation of the two support shafts.

[0151] As attached Figure 30 As shown, the first roller 4004 of the first roller group 4002 and the second roller 4005 of the second roller group 4003 are both friction-driven by friction rollers or friction belts.

[0152] Specifically, the first roller group 4002 and the second roller group 4003 are driven by the friction drive mechanism including the friction belt. The friction drive mechanism driving the first roller group 4002 and the second roller group 4003 has the same structure. The friction drive mechanism driving the first roller group 4002 is used as an example for description. Figure 30As shown, it includes a reduction motor 4014, which is connected to the base frame 4001 via a torque arm 4015. The output shaft of the reduction motor 4014 is coaxially connected to a drive roller 4016. The axis of the drive roller 4016 is parallel to the axis of the first idler 4004. The drive roller 4016 is also arranged in parallel with a group of support rollers 4017. The installation height of the group of support rollers 4017 is the same and close to the first idler. Each support roller 4017 is located below and between the two first idlers 4004. The two support rollers 4017 at both ends are located outside the two first rollers 4004 at both ends. Their diameters are slightly larger than the other support rollers 4017. Their installation height remains unchanged, but the spacing between them can be adjusted. The specific adjustment structure is the same as the roller adjustment structure of a traditional belt conveyor to achieve belt tensioning.

[0153] As attached Figure 30 As shown, the friction belt 4018 is provided on the outer periphery of the driving roller 4016 and the supporting roller 4017, and the top surface of the friction belt 4018 is in contact with all the first rollers of the first roller group. At the same time, since there are multiple supporting rollers 4017 to support the friction belt, it can effectively ensure that the friction belt 4018 is in close contact with the first rollers. During operation, the reduction motor rotates to drive the driving roller 4016, and the driving roller 4016 drives the friction belt 4018 to rotate. The rotation of the friction belt 4018 drives all the first rollers 4004 to rotate. The first roller 4004 drives the items thereon to be transported forward while shifting toward the middle.

[0154] More preferably, as attached Figure 31 , Attachment Figure 32 As shown, in order to ensure the reliability of the fit between the friction belt 4018 and the first roller 4004, the height of each support roller 4017 can be adjusted. Specifically, each support roller 4017 is rotatably set on an axis 4019, and the two ends of the axis 4019 can be movably set in a waist-shaped hole 4020 along the longitudinal direction. A wheel-shaped or hemispherical adjustment block 4021 or cam abutting against it is respectively provided below the two ends of the axis 4019, and an adjusting bolt 4022 is eccentrically provided on the adjusting block 4021. The adjusting bolt 4022 is parallel to the axis 4019 and is screwed on a support 4023 fixed in a position. When the adjusting bolt 4022 rotates, it can drive the adjusting block 4021 to rotate. Since the adjusting bolt 4022 is eccentrically provided, after the adjusting block 4021 is rotated, the height of its top continues to change, thereby realizing the height adjustment of the axis 4019. The adjustment block 4021 is preferably a hemispherical block, and the adjustment bolt 4022 is connected to the plane of the hemispherical block, and the plane is provided with rotation angle scale lines.

[0155] Of course, in order to achieve the tensioning of the friction belt 4018, a tensioning roller of a conventional belt conveyor can also be set to tension the belt. This is a known technology and will not be described in detail.

[0156] Since the lengths of the first roller 4004 and the second roller 4005 near the inlet and outlet are relatively short, there will be a certain gap in this area. In order to avoid objects getting stuck in the gap, such as the attached Figure 1 As shown, a connecting plate is provided on the seat frame 4001 at the inlet and outlet positions, and a universal ball 4024 is provided on the connecting plate.

[0157] As attached Figure 27 , Attachment Figure 30 As shown, the seat frame 4001 is provided with two guide baffles 4025 located at the exit and having a trumpet-shaped mouth, the guide baffles 4025 are located above the first roller and the second roller, and the guide baffles 4025 are provided with rollers 4026 whose axes are perpendicular to the conveying surface of the center conveyor.

[0158] When the entire object separation system is working, the operation of each device can be controlled by various control devices. The connection and communication between the control device and the above-mentioned devices are well-known technologies and will not be described in detail here. The specific working process is as follows:

[0159] A large number of articles are conveyed to the transverse stretching device manually or through automated equipment.

[0160] Batch articles enter the transverse stretching device, and while being conveyed forward by the transverse stretching device, they deviate to both sides of the transverse stretching device and enter the longitudinal stretching device;

[0161] The control device controls the working status of the conveyors at different positions of the longitudinal distance device according to the images collected by the image acquisition device, so that the articles on the longitudinal distance device are output one by one to the central conveyor; the image acquisition device 3000 collects images of the articles located at the output end of the transverse distance device 1000 and the conveying surface of the longitudinal distance device 2000. The control device determines the output order of each article on the longitudinal distance device according to the order of the articles, the position of the articles (transverse position), the size and shape of the articles, thereby controlling the working status of the conveyors at different positions (including starting and stopping, speed increase and decrease, etc.), so that the articles on the longitudinal distance device are output one by one to the central conveyor.

[0162] The center conveyor conveys the items conveyed thereon forward while shifting the items to the middle position of its conveying surface and outputting them.

[0163] There are many implementation methods of the present invention, and all technical solutions formed by equivalent transformation or equivalent transformation fall within the protection scope of the present invention.

Claims

1. Article separation system, characterized by: It comprises a zone-controlled conveying device, above which is provided an image acquisition device with a lens directed toward the conveying surface of the zone-controlled conveying device; the input end of the zone-controlled conveying device is connected to the output end of a transverse distance device, and the transverse distance device has a structure that conveys articles thereon forward while shifting to both sides; the output end of the zone-controlled conveying device is connected to a centering conveyor, and the centering conveyor has a structure that conveys articles thereon toward the center of its conveying surface while conveying them forward; The zone-controlled conveying device includes multiple rows and columns of conveyors arranged closely together, the conveying directions of all the conveyors are parallel, each of the conveyors can be started and stopped independently, and all the conveyors form a plurality of conveying zones distributed sequentially from the input end to the output end of the zone-controlled conveying device, and the heights of the conveying surfaces of the plurality of conveying zones decrease sequentially from the input end to the output end of the zone-controlled conveying device; The conveyor is arranged on a bracket, and the bracket includes a vertical plate, and the vertical plate is detachably plugged into a mounting base; a group of screw holes are arranged on the top of the vertical plate; The article separation system includes a conveyor unit installation tool, which includes a base plate, a screw rod corresponding to each screw hole on the top of the vertical plate is vertically provided on the base plate, and a handle is also provided on the top of the base plate. The handles are four and arranged in a rectangular shape; The transverse stretching device includes a first conveying area and a second conveying area. When articles move from one end of the transverse stretching device to the other end, articles in the first conveying area are offset to the first side of the transverse stretching device, and articles in the second conveying area are offset to the second side of the transverse stretching device. The transverse stretching device adopts a structure in which multiple rows of inclined rollers and drive rollers cooperate. The lateral stretching device includes multiple rows of rollers, which form a conveying surface with a wide input end and a narrow output end, and each row of rollers takes the center line X of the conveying surface as the axis of symmetry; the axes of the two rollers located in the middle of each row of rollers are perpendicular to the center line X, the other rollers located on the left side of the center line X are inclined to the left, and the other rollers located on the right side of the center line X are inclined to the right; each row of rollers is driven by a driving roller in contact with its wheel surface, and the driving roller is connected to a driving mechanism that drives its own rotation, and two adjacent rows of rollers are driven by a driving roller located therebetween; the driving roller includes a main shaft, and a boss is formed on the main shaft to abut against the wheel surface of each roller, and the boss includes a first frustum and a second frustum, the second frustum is symmetrical to the first frustum, and their small ends are arranged back to back, and one boss drives two rollers with the same sequence number in two adjacent rows of rollers; The center conveyor includes a first roller group and a second roller group that are arranged adjacent to each other, all first rollers of the first roller group are at the same height and their axes are parallel, all second rollers of the second roller group are at the same height and their axes are parallel, any first roller and any second roller are at the same height and their axes maintain an obtuse angle, the inner ends of the support shafts where the first rollers and the second rollers are located are respectively installed on a shaft mounting plate, the shaft mounting plate is perpendicular to the support shafts corresponding to them, the shaft mounting plate of the support shaft where the first roller is located is located on one side of an intermediate support plate, and the shaft mounting plate of the support shaft where the second roller is located is located on the other side of the intermediate support plate, a baffle located on the intermediate support plate is provided in the gap between the first roller group and the second roller group, the baffle is parallel to the conveying surface of the center conveyor and is located below the conveying surface; The first roller group and the second roller group are respectively driven by a friction drive mechanism including a friction belt, and the friction drive mechanism includes a reduction motor, a driving roller, a group of support rollers and a friction belt, the output shaft of the reduction motor is coaxially connected to the driving roller, the axes of the driving roller, the support roller and the first roller are parallel, the support roller is located below the first roller and a gap is maintained, the friction belt is sleeved on the outer circumference of the driving roller and the support roller and its top surface is in contact with the first roller; the height of each support roller is adjustable; each support roller is rotatably set on an axis, and the two ends of the axis can be movably set in a waist-shaped hole along the longitudinal direction, and a wheel-shaped or hemispherical adjustment block or cam abutting against it is respectively provided below the two ends of the axis, and an adjustment bolt is eccentrically provided on the adjustment block, and the adjustment bolt is parallel to the axis and screwed on a support with a fixed position.

2. The article separation system according to claim 1, characterized in that: One end of the support shaft of the conveyor for installing the roller is inserted into the vertical plate and is perpendicular to the vertical plate, and the other end of the support shaft is fixed on a bracket, and the bracket is fixed on the side of the vertical plate.

3. The article separation system according to claim 2, characterized in that: The conveyor is a belt conveyor, and the power source of the conveyor is adjustably arranged on the vertical plate.

4. The article separation system according to claim 3, characterized in that: The power source is arranged on the adapter plate, the adapter plate is arranged on the vertical plate so as to be movable along the longitudinal direction, and the adapter plate is connected to the support adjustment mechanism.

5. The article separation system according to claim 1, characterized in that: Two conveyors are provided on each of the vertical plates.

6. The article separation system according to claim 1, characterized in that: The mounting seat includes a profile and two opposite insertion slots vertically arranged on the profile, and the vertical plate is detachably inserted into the two insertion slots.

7. The article separation system according to any one of claims 1 to 6, characterized in that: The image acquisition device is a 3D camera.

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