A modular packaging line based on a flexible conveyor platform

Abstract

The present invention relates to the technical field of packaging equipment, and discloses a modular packaging line based on a flexible conveying platform, including a conveying platform module and a boxing platform module. A flexible conveying platform is arranged between the conveying platform module and the boxing platform module. The conveying platform module includes a material conveying belt, a feeding sorting mechanism, a sorting and positioning mechanism, and a material grabbing and transferring mechanism. A box feeding conveying belt and a boxing mechanism are arranged in the boxing platform module. A bottom support front conveying belt I and a front conveying belt II are arranged on the side of the material conveying belt. A bottom support rear conveying belt I and a bottom support rear conveying belt II are arranged in the boxing platform module. A front lifting conveying platform is arranged at the front end of the bottom support front conveying belt I, and a rear lifting conveying platform is arranged at the rear end of the bottom support rear conveying belt I. The present invention divides the overall packaging line into a conveying platform module and a boxing platform module. The two modules are connected by a flexible conveying platform, which is less restricted by space and more flexible to install.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging equipment, and in particular to a modular packaging line based on a flexible conveying platform. Background Art

[0002] Many products need to be packed after production. Currently, products are produced in an assembly line mode, and then packed through a subsequent automatic packaging assembly line. For example, boxed milk and beverages are usually packed directly by robots or robots after arranging the beverages. Common packaging systems pack products directly after arranging them, which results in the entire packaging system being a complete and indivisible production line. This places high demands on the site, and there must be a large enough space to accommodate the complete packaging system, which is greatly limited by space. In addition, each workstation in the packaging system is closely coordinated. As long as any workstation fails or waits, the entire packaging system needs to be shut down and wait. Summary of the invention

[0003] In order to solve the above-mentioned problems existing in the packaging system in the prior art, the present invention provides a modular packaging line based on a flexible conveying platform, in which the entire packaging line is modularized and each module is connected through a flexible conveying platform, thereby being less restricted by space and more flexible in installation.

[0004] In order to achieve the above object, the present invention adopts the following technical solution:

[0005] A modular packaging line based on a flexible conveying platform comprises a conveying platform module and a packing platform module, wherein a flexible conveying platform is arranged between the conveying platform module and the packing platform module, wherein the conveying platform module comprises a material conveying belt, a feed sorting mechanism, a sorting and positioning mechanism, and a material grabbing and transferring mechanism, wherein a box feeding conveying belt and a packing mechanism are arranged in the packing platform module; a bottom support front conveying belt I is arranged on the side of the material conveying belt, a bottom support front conveying belt II is arranged above the bottom support front conveying belt I, a bottom support rear conveying belt I is arranged in the packing platform module, a bottom support rear conveying belt II is arranged above the bottom support rear conveying belt I, the bottom support front conveying belt I and the bottom support rear conveying belt I are butt-jointed via a flexible conveying platform, the bottom support front conveying belt II and the bottom support rear conveying belt II are butt-jointed via a flexible conveying platform, a front lifting conveying platform is arranged at the front end of the bottom support front conveying belt I, and a rear lifting conveying platform is arranged at the rear end of the bottom support rear conveying belt I.

[0006] The conveying platform module and the packing platform module are divided into two independent modules, and the modules are connected through a flexible conveying platform. The conveying platform module and the packing platform module can be installed independently according to the site environment, and then the two are connected through the flexible conveying platform. The installation is more flexible and less restricted by the site space; the products to be packaged enter the feeding and sorting mechanism after passing through the material conveyor belt, and after being divided into multiple columns of products, the products are arranged and positioned in a regular array through the sorting and positioning mechanism. The bottom tray moves along the front conveyor belt II and the rear conveyor belt II of the bottom tray, and the product array is grabbed by the material grabbing and transferring mechanism and transferred to the bottom tray. The bottom tray loaded with the product is transported to the packing platform module through the flexible conveying platform, and the packaging box is transported on the box feeding conveyor belt. The packaging mechanism grabs the product array in the bottom tray and puts it into the packaging box, and the empty bottom tray is conveyed along the rear conveyor belt of the bottom tray The bottom pallet is then moved to the rear conveyor belt II and then to the rear lifting conveyor platform. The rear lifting conveyor platform moves the bottom pallet on the bottom pallet rear conveyor belt II to the bottom pallet rear conveyor belt I. The bottom pallet on the bottom pallet rear conveyor belt I moves to the bottom pallet front conveyor belt I and then moves to the bottom pallet front conveyor belt II through the front lifting conveyor platform, thereby realizing the recycling of the bottom pallet. This packaging system divides the entire packaging production line into two parts, and adds product positioning and storage links through the bottom pallet. The products on the bottom pallet can be stored and circulated separately, so that the conveying platform module and the packing platform module can work independently. Even if the packing platform module fails, the conveying platform module can store the products in the bottom pallet after sorting, and then store them in the flexible conveying platform. At the same time, the flexible conveying platform can also buffer and adjust the production rhythm of the conveying platform module and the packing platform module, making the entire packaging operation more mobile and flexible.

[0007] As a preferred embodiment, the feed separation mechanism is arranged at the front end of the material conveyor belt, and the feed separation mechanism includes a front connecting bracket and a rear connecting bracket fixed on both sides of the material conveyor belt, a front slide bar is arranged between the front connecting brackets, and two parallel front slide bars are arranged on the front slide bar, and the lower end of each front slide bar is fixed with a front connecting seat, and a rear slide bar is arranged between the rear connecting brackets, and two parallel rear slide bars are arranged on the rear slide bar, and the lower end of each rear slide bar is fixed with a rear connecting seat, and the front connecting seat and the rear connecting seat are connected one by one through two flexible baffles, and a feed channel is formed between the two flexible baffles, and the rear connecting bracket is provided with a first motor for driving the two rear slide bars to slide synchronously in the same direction; and a plurality of parallel partitions are arranged at the rear end of the feed channel on the material conveyor belt, and a separation channel is formed between two adjacent partitions. The initial product enters in a row from the feed channel, and the first drive motor drives the rear slide bar to move along the rear slide bar, so that the rear end of the feed channel is respectively docked with different separation channels, so as to transport the product to different channels.

[0008] Preferably, a width adjustment mechanism is provided between the two front slides, and the width adjustment mechanism includes an adjustment rod, one end of which is rotatably connected to one front slide, and the other end of which passes through the other front slide and is threadedly connected to the front slide, and an adjustment handle is provided at the end of the adjustment rod; the width adjustment mechanism is also provided between the two rear slides. Different models of products have different length and width dimensions, and the width of the feed channel can be adjusted through the width adjustment mechanism, which has strong versatility.

[0009] Preferably, the inner sides of the front connecting seat and the rear connecting seat are provided with transmission wheels, a side conveyor belt is provided between the transmission wheels, and the ends of the front connecting seat and the rear connecting seat are provided with a second motor for driving the side conveyor belt to move. The corresponding position of the bottom of the front connecting seat and the rear connecting seat is exactly the butt joint of the two conveyor belts, and the transmission wheels and the side conveyor belts ensure that the product can be stably moved from one conveyor belt to another.

[0010] Preferably, the arranging and positioning mechanism is located at the rear end of the feed sorting mechanism, and the sorting mechanism includes slide rails parallelly distributed on both sides of the rear end of the material conveyor belt, a slider is provided on the slide rail, a material baffle is provided between the upper ends of the slider, a third motor for driving the slider to move along the slide rail is provided on the side of the material conveyor belt, and a lifting mechanism for driving the material baffle to rise and fall is also provided on the slider; a plurality of groups of isolation bars are provided on the top surface of the rear end of the material conveyor belt, each group of isolation bars has two, and a limiting channel is formed between each group of isolation bars, and a limiting member is provided in the limiting channel. After the product comes out of the rear end of the sorting channel, it moves to the material baffle, so that the front end of the product array is aligned, and the third motor drives the material baffle to move along the material conveyor belt, and the product array enters the limiting channel between the isolation bars and passes through the limiting position, at which time the product array is accurately positioned, so as to facilitate the material grabbing and transferring mechanism to accurately grab the product array; and the material baffle is lifted under the action of the lifting mechanism, and then moves forward to the rear end of the feed sorting mechanism, and then descends to block the next product array.

[0011] Preferably, a mounting bracket is provided on the material conveyor belt at the rear end of the feed sorting mechanism, vertically distributed screws are provided on both sides of the mounting bracket, a lifting bracket is provided between the two screws, and the two ends of the lifting bracket are threadedly connected to the screws through threaded sleeves, a plurality of cylinders are fixed on the lifting bracket, a pressing block is provided at the lower end of the cylinder, and a driving shaft for driving the two screws to rotate synchronously is also provided on the mounting bracket, and a driving handwheel is fixed at the end of the driving shaft. When the first group of product arrays contacts the material baffle, the cylinder shaft end descends so that the pressing block presses the product at the rear end of the sorting channel, thereby ensuring that the products in each product array are the same, the number of columns of the product array is limited by the sorting mechanism, and the number of products in each column is limited by the pressing block.

[0012] Preferably, the material grabbing and transferring mechanism is arranged above the sorting and positioning mechanism, and comprises a fixed bracket, a horizontal slide rail is arranged on the top of the fixed bracket, a sliding seat is arranged on the horizontal slide rail, a lifting manipulator is arranged on the sliding seat, and a fourth motor for driving the sliding seat to slide is arranged on the horizontal slide rail. The lifting manipulator descends to grab the positioned product array, and then the lifting manipulator lifts and transfers the product array to the top of the bottom bracket through the fourth motor and the horizontal slide rail, and loads the product array into the bottom bracket; the bottom bracket positions, stores and transfers the product array.

[0013] Preferably, the boxing mechanism includes several positioning brackets, each of which is provided with a crossbeam on the top, and a mechanical gripper is provided on the crossbeam, the bottom support rear conveyor belt I is located below the positioning bracket, and the box body feeding conveyor belt is parallel to the bottom support rear conveyor belt I. The mechanical gripper grabs the product array on the bottom support and puts it into the packaging box to achieve product packaging.

[0014] Therefore, the present invention has the following beneficial effects: (1) the overall packaging system is divided into a conveying platform module and a packing platform module. The two modules can be independently installed according to the spatial layout of the installation site and finally connected through a flexible conveying platform. The space restriction is small and the installation is more flexible. (2) a bottom tray circulation conveying system is set to transport the bottom tray. The sorted product array is first transferred to the bottom tray to form an intermediate product, and then the intermediate product is subsequently packed, that is, a packing operation is decomposed into two steps, so that the dependence between product positioning and product packing operations is reduced. The flexible conveying platform forms a buffer and storage area to buffer and adjust the production rhythm between the conveying platform module and the packing platform module. The conveying platform module and the packing platform module can operate relatively independently. For example, when the packing platform module fails and needs to be repaired, the conveying platform module can continue to work, transfer the sorted product array to the bottom tray and store it in the flexible conveying platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 It is a connection diagram of the bottom support front conveyor belt I, the bottom support front conveyor belt II, the bottom support rear conveyor belt I, and the bottom support rear conveyor belt II.

[0017] Figure 3 A top view of the conveying platform module.

[0018] Figure 4 It is a structural diagram of the feed separation mechanism.

[0019] Figure 5 for Figure 4 A partial enlarged schematic diagram in the middle.

[0020] Figure 6 To organize the structural diagram of the positioning mechanism.

[0021] Figure 7 It is a structural schematic diagram of the material grabbing and transferring mechanism.

[0022] Figure 8 A structural diagram of a packing mechanism.

[0023] Fig. 9 Another structural schematic diagram of the packing mechanism.

[0024] In the figure: conveying platform module 1, packing platform module 2, flexible conveying platform 3, bottom support front conveyor belt I 40, bottom support front conveyor belt II 41, bottom support rear conveyor belt I 42, bottom support rear conveyor belt II 43, front lifting conveying platform 44, rear lifting conveying platform 45, bottom support 5, material conveyor belt 10, feed sorting mechanism 11, front connecting bracket 110, rear connecting bracket 111, front slide bar 112, front slide plate 113, front connecting seat 114, rear slide bar 115, rear slide plate 116, rear connecting seat 117, flexible baffle 118, feed channel 119, first motor 120, partition 121, sorting channel 122, adjustment rod 123, adjustment handle 12 4. Drive wheel 125, side conveyor belt 126, second motor 127, sorting and positioning mechanism 13, slide rail 130, slider 131, material baffle 132, third motor 133, lifting mechanism 134, isolation strip 135, limiting channel 136, limiting member 137, mounting bracket 138, screw 139, lifting bracket 140, cylinder 141, pressure block 142, drive shaft 143, drive hand wheel 144, material grabbing and transferring mechanism 15, fixed bracket 150, horizontal slide rail 151, sliding seat 152, fourth motor 153, box feeding conveyor belt 20, box packing mechanism 21, positioning bracket 210, beam 211, robot 212. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0026] like Figure 1 , Figure 2 and Figure 3 A modular packaging line based on a flexible conveying platform is shown, comprising a conveying platform module 1 and a boxing platform module 2, wherein a flexible conveying platform 3 is arranged between the conveying platform module and the boxing platform module, the conveying platform module 1 comprises a material conveying belt 10, a feeding arrangement mechanism 11, a sorting and positioning mechanism 13, and a material grabbing and transferring mechanism 15, and a box feeding conveying belt 20 and a boxing mechanism 21 are arranged in the boxing platform module 2;

[0027] A front conveyor belt I 40 is provided on the side of the material conveyor belt 10, a front conveyor belt II 41 is provided above the front conveyor belt I 40, a rear conveyor belt I 42 is provided in the packing platform module 2, a rear conveyor belt II 43 is provided above the rear conveyor belt I, the front conveyor belt I and the rear conveyor belt I are connected via a flexible conveying platform 3, the front conveyor belt II and the rear conveyor belt II are connected via a flexible conveying platform, a front lifting conveying platform 44 is provided at the front end of the front conveyor belt I, a rear lifting conveying platform 45 is provided at the rear end of the rear conveyor belt I, and the bottom support 5 reciprocates along the front conveyor belt II 41, the rear conveyor belt II 43, the rear lifting conveying platform 45, the rear conveyor belt I 42, the front conveyor belt I 40 and the front lifting conveying platform 44. The position of the flexible conveying platform 3 is shown in FIG. Figure 1 , Figure 2 As shown in the dotted box in the figure, the flexible conveying platform 3 is any one or a combination of a linear conveying platform, an L-shaped conveying platform, a U-shaped conveying platform, and a lifting conveying platform. The technical personnel in this field can select one of them according to the actual installation position relationship between the conveying platform module 1 and the packing platform module 2, or select several combinations to adapt to the space layout requirements of the site. The technical personnel in this field can also select other types of flexible conveying platforms according to the actual needs of the site.

[0028] like Figure 3 , Figure 4 and Figure 5 As shown, the feed separation mechanism 11 is arranged at the front end of the material conveyor belt 10, and the feed separation mechanism 11 includes a front connecting bracket 110 and a rear connecting bracket 111 fixed on both sides of the material conveyor belt, a front slide bar 112 is arranged between the front connecting brackets, and two parallel front slide plates 113 are arranged on the front slide bar, and a front connecting seat 114 is fixed at the lower end of each front slide plate, a rear slide bar 115 is arranged between the rear connecting brackets 111, and two parallel rear slide plates 116 are arranged on the rear slide bar, and a rear connecting seat 117 is fixed at the lower end of each rear slide plate 116, and the front connecting seat and the rear connecting seat are connected one by one by two flexible baffles 118, and a feed channel 119 is formed between the two flexible baffles, and a first motor 120 for driving the two rear slide plates to slide synchronously in the same direction is arranged on the rear connecting bracket; a plurality of parallel partitions 121 are arranged on the material conveyor belt 10 at the rear end of the feed channel, and a separation channel 122 is formed between two adjacent partitions;

[0029] A width adjustment mechanism is provided between the two front skateboards 113, and the width adjustment mechanism includes an adjusting rod 123, one end of the adjusting rod 123 is rotatably connected to one front skateboard, and the other end of the adjusting rod 123 passes through the other front skateboard and is threadedly connected to the front skateboard, and an adjusting handle 124 is provided at the end of the adjusting rod; a width adjustment mechanism is also provided between the two rear skateboards; transmission wheels 125 are provided on the inner sides of the front connecting seat 114 and the rear connecting seat 117, and side conveyor belts 126 are provided between the transmission wheels, and second motors 127 for driving the side conveyor belts to move are provided at the ends of the front connecting seat and the rear connecting seat.

[0030] like Figure 6 As shown, the sorting and positioning mechanism 13 is located at the rear end of the feed sorting mechanism 11, and the sorting mechanism 13 includes slide rails 130 distributed in parallel on both sides of the rear end of the material conveyor belt, and a slider 131 is provided on the slide rail, and a material baffle 132 is provided between the upper ends of the slider 131. A third motor 133 for driving the slider to move along the slide rail is provided on the side of the material conveyor belt 10, and the third motor controls the forward and backward movement of the slider through the synchronous wheel and the synchronous belt; the slider 131 is also provided with a lifting mechanism 134 for driving the material baffle 132 to rise and fall, and the lifting mechanism is an electric cylinder or a pneumatic cylinder; a plurality of groups of isolation strips 135 are provided on the top surface of the rear end of the material conveyor belt 10, and each group of isolation strips has two strips, and a limiting channel 136 is formed between each group of isolation strips, and a limiting member 137 is provided in the limiting channel;

[0031] A mounting bracket 138 is provided on the material conveyor belt 10 at the rear end of the feed separation mechanism, vertically distributed screws 139 are provided on both sides of the mounting bracket 138, a lifting bracket 140 is provided between the two screws, and the two ends of the lifting bracket are threadedly connected to the screws through threaded sleeves, a plurality of cylinders 141 are fixed on the lifting bracket 140, a pressure block 142 is provided at the lower end of the cylinder, and a driving shaft 143 for driving the two screws to rotate synchronously is also provided on the mounting bracket, and a driving hand wheel 144 is fixed to the end of the driving shaft.

[0032] like Figure 7 As shown, the material grabbing and transferring mechanism 15 is arranged above the sorting and positioning mechanism 13, and includes a fixed bracket 150, a horizontal slide rail 151 is provided on the top of the fixed bracket 150, a sliding seat 152 is provided on the horizontal slide rail 151, a lifting manipulator is provided on the sliding seat, and a fourth motor 153 for driving the sliding seat to slide is provided on the horizontal slide rail 151.

[0033] like Figure 8 As shown, the packing mechanism 21 includes a plurality of positioning brackets 210, each of which is provided with a crossbeam 211 on the top, and a mechanical gripper is provided on the crossbeam. The mechanical gripper adopts the lifting manipulator in the material grabbing and transferring mechanism 15. The conveyor belt I behind the bottom support is located below the positioning bracket, and the box feeding conveyor belt is parallel to the conveyor belt I behind the bottom support. The packing mechanism can also adopt Fig. 9A box packing robot 212 is shown.

[0034] In conjunction with the accompanying drawings, the principles of the present invention are as follows (a milk packaging box is taken as an example in this embodiment): the filled milk bag moves from the front conveyor belt to the material conveyor belt 10, and the milk bag moves along the feed channel 119. The first motor 120 drives the rear sliding plate to move along the rear slide rail, so that the rear end of the incoming channel is aligned with the column channel 122 in sequence, and the milk bags in the feed channel enter each column channel respectively. The milk bags in the column channel continue to move along the material conveyor belt 10, and are blocked when they move to the material baffle 132. The cylinder 141 drives the pressing block 142 to descend and press the milk bag at the rear end of the column channel. The third motor drives the material baffle to move along the conveyor belt direction, and the rear end of the column channel is aligned with the The milk bag array between the material baffles moves forward synchronously with the material baffles and enters the limiting channel 136, and is finally limited by the limiting piece 137. At this time, the milk bag array is completely positioned, and the material baffle 132 is lifted under the action of the lifting mechanism and then moves forward to reset, blocking the next milk bag array; the lifting manipulator in the material grabbing and transferring mechanism 15 grabs the positioned milk bag array and transfers the milk bag array to the bottom tray, and the bottom tray enters the boxing mechanism 21 along the flexible conveying platform 3, and the boxing mechanism grabs the milk bag array in the bottom tray and transfers it to the packaging box, thereby realizing the boxing operation of the milk bag array.

[0035] In this structure, the conveying platform module and the packing platform module are divided into two independent modules, which are connected through a flexible conveying platform. The conveying platform module and the packing platform module can be installed independently according to the site environment, and then the two are connected through the flexible conveying platform. The installation is more flexible and less restricted by the site space. This packaging system divides the entire packaging production line into two parts, and adds product positioning and storage links through the base tray. The products on the base tray can be stored and circulated separately, so that the conveying platform module and the packing platform module can work independently. Even if the packing platform module fails, the conveying platform module can store the products in the base tray and then store them in the flexible conveying platform. At the same time, the flexible conveying platform can also buffer and adjust the production rhythm of the conveying platform module and the packing platform module, making the entire packaging operation more flexible.

[0036] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A modular packaging line based on a flexible conveying platform, characterized in that: It includes a conveying platform module and a packing platform module. A flexible conveying platform is arranged between the conveying platform module and the packing platform module. The conveying platform module includes a material conveyor belt, a feed sorting mechanism, a sorting and positioning mechanism, and a material grabbing and transferring mechanism. A box feed conveyor belt and a packing mechanism are arranged in the packing platform module. A bottom support front conveyor belt I is arranged on the side of the material conveyor belt, and a bottom support front conveyor belt II is arranged above the bottom support front conveyor belt I. A bottom support rear conveyor belt I is arranged in the packing platform module, and a bottom support rear conveyor belt II is arranged above the bottom support rear conveyor belt I. The bottom support front conveyor belt I and the bottom support rear conveyor belt I are connected to each other through a flexible conveying platform, and the bottom support front conveyor belt II and the bottom support rear conveyor belt II are connected to each other through a flexible conveying platform. A front lifting conveying platform is arranged at the front end of the bottom support front conveyor belt I, and a rear lifting conveying platform is arranged at the rear end of the bottom support rear conveyor belt I.

2. A modular packaging line based on a flexible conveying platform according to claim 1, characterized in that: The feed separation mechanism is arranged at the front end of the material conveyor belt, and the feed separation mechanism includes a front connecting bracket and a rear connecting bracket fixed on both sides of the material conveyor belt, a front sliding bar is arranged between the front connecting brackets, and two parallel front sliding plates are arranged on the front sliding bar, and the lower end of each front sliding plate is fixed with a front connecting seat, a rear sliding bar is arranged between the rear connecting brackets, and two parallel rear sliding plates are arranged on the rear sliding bar, and the lower end of each rear sliding plate is fixed with a rear connecting seat, the front connecting seat and the rear connecting seat are connected one by one by two flexible baffles, and a feeding channel is formed between the two flexible baffles, and the rear connecting bracket is provided with a first motor for driving the two rear sliding plates to slide synchronously in the same direction; a plurality of parallel partitions are arranged on the material conveyor belt at the rear end of the feed channel, and a separation channel is formed between two adjacent partitions.

3. The modular packaging line based on a flexible conveying platform according to claim 2 is characterized in that: A width adjustment mechanism is provided between the two front slides, and the width adjustment mechanism includes an adjustment rod, one end of the adjustment rod is rotatably connected to one front slide, the other end of the adjustment rod passes through the other front slide and is threadedly connected to the front slide, and an adjustment handle is provided at the end of the adjustment rod; the width adjustment mechanism is also provided between the two rear slides.

4. A modular packaging line based on a flexible conveying platform according to claim 2 or 3, characterized in that: Transmission wheels are arranged inside the front connection seat and the rear connection seat, a side conveyor belt is arranged between the transmission wheels, and a second motor for driving the side conveyor belt to move is arranged at the end of the front connection seat and the rear connection seat.

5. A modular packaging line based on a flexible conveying platform according to claim 1 or 2, characterized in that: The sorting and positioning mechanism is located at the rear end of the feed sorting mechanism. The sorting mechanism includes slide rails distributed in parallel on both sides of the rear end of the material conveyor belt. Slide blocks are provided on the slide rails. Material baffles are provided between the upper ends of the slide blocks. A third motor for driving the slide blocks to move along the slide rails is provided on the side of the material conveyor belt. The slide block is also provided with a lifting mechanism for driving the material baffle to rise and fall. Several groups of isolation strips are provided on the top surface of the rear end of the material conveyor belt, each group of isolation strips has two isolation strips, and a limiting channel is formed between each group of isolation strips, and a limiting member is provided in the limiting channel.

6. The modular packaging line based on a flexible conveying platform according to claim 5 is characterized in that: A mounting bracket is provided on the material conveyor belt at the rear end of the feed separation mechanism, vertically distributed screws are provided on both sides of the mounting bracket, a lifting bracket is provided between the two screws, and both ends of the lifting bracket are threadedly connected to the screws through threaded sleeves, a plurality of cylinders are fixed on the lifting bracket, a pressure block is provided at the lower end of the cylinder, and a driving shaft for driving the two screws to rotate synchronously is also provided on the mounting bracket, and a driving handwheel is fixed to the end of the driving shaft.

7. A modular packaging line based on a flexible conveying platform according to claim 1, 2 or 3, characterized in that: The material grabbing and transferring mechanism is arranged above the sorting and positioning mechanism, and includes a fixed bracket, a horizontal slide rail is provided on the top of the fixed bracket, a sliding seat is provided on the horizontal slide rail, a lifting manipulator is provided on the sliding seat, and a fourth motor for driving the sliding seat to slide is provided on the horizontal slide rail.

8. The modular packaging line based on a flexible conveying platform according to claim 1 is characterized in that: The packing mechanism comprises a plurality of positioning brackets, each of which is provided with a crossbeam on the top, and a mechanical gripper on the crossbeam. The bottom support rear conveyor belt I is located below the positioning bracket, and the box body feeding conveyor belt is distributed in parallel with the bottom support rear conveyor belt I.

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