A sheet material component dispensing conveyor system

Abstract

The application discloses a plate part distribution conveying system, which comprises a bottom layer of a cushion plate conveying line, a middle layer of a matching component conveying line and a top layer of a raw material providing line; the cushion plate conveying line conveys the upstream cushion plate, the cushion plate has multiple size specifications and is used for carrying different types of plate parts; the cushion plate conveying line, the matching component conveying line and the raw material providing line are all composed of roller conveyors and chain conveyors, the chain conveyors are symmetrically arranged on the two sides of the roller conveyors, and the jacking transplanters are arranged on the roller conveyors and correspond to the reversing joints of the chain conveyors; the outer ends of the chain conveyors corresponding to the cushion plate conveying line are provided with multiple lifting conveyors, the lifting ends of the lifting conveyors have multiple lifting heights and are connected with the chain conveyors of the corresponding layers; the cushion plate buffering mechanism is arranged above the chain conveyors corresponding to the cushion plate conveying line; and the application is suitable for the multi-edge operation condition with complex sorting working conditions.

Description

Technical Field

[0001] This invention belongs to the field of sheet metal parts production and supporting technology, and particularly relates to a sheet metal parts sorting and assembly system for beds. Background Technology

[0002] In the bed production system, multiple components need to be assembled together. However, different components require different production processes, meaning that different components are processed and formed separately. Therefore, in the case of mass production in the factory, the parts required for each order need to be sorted out before subsequent assembly. Bed board components come in different sizes. To facilitate subsequent sorting, they are divided according to size range. Board components larger than a certain size are classified into one category and supported by a pad of one size to ensure that all board components of this category can be placed on this pad. Parts smaller than a certain size are classified into another category, which requires a pad of another size. The two different types of parts are placed on pads of different sizes, which facilitates the supply of raw materials and components from upstream and also facilitates the sorting and matching of related components downstream. However, in the final sorting and selection process, there is currently no relevant equipment to coordinate with the board component production line and to improve the sorting and matching efficiency.

[0003] Therefore, how to provide a sorting and assembly system for sheet metal parts that is compatible with production lines is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] In view of this, the present invention provides a sheet metal parts distribution and conveying system that is adaptable to complex sorting operations, has strong compatibility, and assists workers or robots in improving the efficiency of production support.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a sheet metal parts distribution and conveying system, comprising a bottom layer of pad conveying line, a middle layer of supporting component conveying line, and a top layer of raw material supply line; the pad conveying line conveys pads coming from upstream, the pads having various sizes and specifications and being used to carry different types of sheet metal parts;

[0006] The pad conveyor line, the supporting component conveyor line, and the raw material supply line are all composed of roller conveyors and chain conveyors. There are multiple sets of chain conveyors symmetrically arranged on both sides of the roller conveyor. A lifting and transplanting machine is arranged on the roller conveyor and at the reversing connection point corresponding to the chain conveyor.

[0007] The outer end of the chain conveyor corresponding to the pad conveyor line is provided with multiple lifting conveyors. The lifting end of the lifting conveyor has multiple lifting heights and is connected to the chain conveyor of the corresponding layer.

[0008] A pad buffer mechanism is arranged above the chain conveyor corresponding to the pad conveyor line;

[0009] At both ends of the roller conveyors corresponding to the pad conveyor line, the supporting component conveyor line, and the raw material supply line, barcode readers for identifying barcode information on the pads are respectively arranged.

[0010] The beneficial effects of this invention are as follows: Empty pallets are transported using a bottom-level pallet conveyor line. Sorting operations by workers or robots are completed at the bottom level. Depending on system needs, different order tasks are completed daily. Each order involves workers or robots sorting and matching different parts according to task requirements. A single type of pallet carrier cannot meet the storage needs of various product parts. For example, large components need to be placed on one type of pallet, while small and medium-sized components need to be placed on another. Using pallets of different sizes and categories to categorize and place different sheet metal components makes them easier to distinguish. The top-level raw material supply line provides upstream raw materials, which are then transferred to the lower level by a lifting conveyor. The lower level facilitates sorting by workers. Once a batch of raw material components is completed, the pallets carrying them are transported by a lifting conveyor to the middle-level supporting component conveyor line and then downstream for processing. Similarly, uncompleted raw material components are also transported by a lifting conveyor to the middle-level supporting component conveyor line and returned to the storage area. All components are carried by pallets. After either pallets carrying completed components or those carrying remaining raw materials are transported out, gaps will appear. At this time, according to system needs, pallets from the pallet conveyor line or the pallet buffer mechanism are sent to the corresponding gaps. Because different pallet sizes are used, a pallet buffer mechanism is used to temporarily store one type of pallet, while the other type can be directly provided by the upstream conveyor line, reducing waiting time.

[0011] Preferably, the roller conveyors and chain conveyors corresponding to the pad conveyor line, the supporting component conveyor line, and the raw material supply line have the same layout. The pad conveyor line is equipped with a feeding station and a sorting station, and the feeding station and the sorting station are equipped with different chain conveyors. The pad buffer mechanism is arranged on the chain conveyor close to the feeding station.

[0012] The resulting technical effect is that the roller conveyor and chain conveyor have the same upper, middle, and lower three-layer layout. The feeding station and sorting station can be one-to-one or one-to-two. That is, one feeding station can simultaneously supply raw materials for workers or robots at two sorting stations. The pad buffer mechanism is only arranged above the chain conveyor corresponding to the bottom pad conveyor and below the middle chain conveyor, that is, in the gap between the bottom and middle chain conveyors. The purpose is to temporarily collect and store excess pads, which can be released and used to fill gaps when needed.

[0013] Preferably, the pad includes a first type of pad and a second type of pad, the size of the first type of pad is larger than the size of the second type of pad, and the top corners of both the first type of pad and the second type of pad are provided with multiple information codes displaying their information, and the first type of pad is horizontally stacked and stored on the pad buffer mechanism.

[0014] The resulting technical effect is that: Type I pads can be used to store larger raw materials, while Type II pads can store smaller raw materials. In other words, Type I pads can store large raw materials within a certain size range, and Type II pads can store small raw materials within a certain size range. This facilitates the transportation of components and the sorting of different task orders. The pad buffer mechanism is only used to temporarily store Type I pads, so Type II pads can be directly supplied by the upstream conveyor line, avoiding system disorder. When the system needs Type I pads, they can be released from the pad buffer mechanism in a timely manner and transported to the corresponding missing position. The information code can be arranged diagonally on the pad or at the four corners of the pad.

[0015] Preferably, the pad buffer mechanism includes a frame, a motor, a transmission mechanism, a sprocket assembly, and a wing plate chain. The frame is arranged on both sides of the chain conveyor. The motor is fixed on the frame. The sprocket assembly is rotatably connected to the frame. The output shaft of the motor is connected to the transmission mechanism and transmits power to the sprocket assembly. The wing plate chain is driven and connected to the sprocket assembly. The wing plate chains are grouped in pairs and distributed on the corresponding sides of the chain conveyor. The rotation directions of the grouped wing plate chains are opposite. The side wing plates on the grouped wing plate chains cooperate to lift and place a type of pad on the chain conveyor.

[0016] The resulting technical effect is that the pad buffer mechanism is powered by a motor and drives the sprocket assembly to rotate through a transmission mechanism. As the wing chain on the sprocket assembly rotates, it lifts the first type of pads on the chain conveyor. Only pads that reach a certain size can be stored on the pad buffer mechanism, while smaller second-type pads are directly supplied by the upstream conveyor line.

[0017] Preferably, the lifting end of the lifting conveyor is horizontally equipped with a chain conveyor mechanism, which is connected to the chain conveyor of the corresponding layer and conveys one or two types of pads. The conveying direction of the roller conveyor and the chain conveyor is adjustable.

[0018] The resulting technical effect is that the lifting conveyor can move up and down, and in conjunction with the chain conveyor mechanism at the lifting end, it can transport empty pallets or solid pallets carrying raw materials. The workers' sorting work is actually completed on the support of the lifting conveyor.

[0019] Preferably, the bottom layer of the pad conveyor line is arranged at a height of 0.4m to 0.6m, the middle layer of the supporting component conveyor line is arranged at a height of 1.3m to 1.5m, and the top layer of the raw material supply line is arranged at a height of 2.3m to 2.5m.

[0020] The resulting technical effect is that, through the layered design, each layer does not affect the others, the height of each layer is reserved, and they do not interfere with each other. The sorting operations of the workers are all completed at the bottom layer. The design height of the bottom layer needs to be adapted to manual operation to facilitate sorting by the workers.

[0021] Preferably, the top-level raw material supply line transports the upstream pallets carrying raw material components to the lower position via a lifting conveyor. Workers or robots near the supply station sort the parts. Excess raw material components are sent to the component conveyor line via the corresponding lifting conveyor and transported to the storage area. Pallets carrying complete sets of materials are sent to the component conveyor line via the corresponding lifting conveyor and then to the downstream.

[0022] The resulting technical effect is that the top layer is actually the feeding layer, which sends down the raw materials or unmatched parts that need to be sorted. The sorting is completed by workers or robots at the bottom layer. The sorted raw materials are then sent downstream by the component conveyor line in the middle layer, while the bottom plate conveyor line delivers the plates, which are the carriers for holding the raw materials.

[0023] Preferably, when a type of pad is needed on the lifting conveyor of the sorting station, the pad buffer mechanism releases the type of pad on it onto the chain conveyor at the bottom, and together with the lifting transfer machine and the chain conveyor, transports the type of pad to the corresponding sorting station.

[0024] The resulting technical effect is that, depending on the task requirements, if a certain workstation may require a certain type of pad, the system will control the pad buffer mechanism to release a certain type of pad and automatically transport it to the corresponding workstation. At this time, it is not necessary to retrieve a certain type of pad from upstream, thus reducing the waiting time for workers.

[0025] Preferably, the roller conveyors and chain conveyors on the pad conveyor line, the supporting component conveyor line, and the raw material supply line are all electrically connected to the control system, and the control system is electrically connected to the barcode reader, the lifting transplanter, the lifting conveyor, and the pad buffer mechanism, respectively.

[0026] The resulting technical effect is that the operation of all mechanisms in the conveying system is controlled by the control system. Therefore, the conveying system can complete the corresponding work according to the corresponding task, has strong compatibility, and is suitable for complex working conditions such as multi-point sorting. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of a pad conveyor line in a sheet metal parts distribution and conveying system according to the present invention;

[0028] Figure 2 This is a schematic diagram of the supporting component conveyor line of a sheet metal parts distribution and conveying system according to the present invention;

[0029] Figure 3 A top-line view of the raw materials in a sheet metal parts distribution and conveying system of the present invention;

[0030] Figure 4 This is a cross-sectional view of position AA in a sheet metal parts distribution and conveying system according to the present invention;

[0031] Figure 5 This is a cross-sectional view of the sheet metal parts distribution and conveying system of the present invention corresponding to the BB position;

[0032] Figure 6 This is a cross-sectional view of the plate parts distribution and conveying system of the present invention at position CC.

[0033] Figure 7 This is a schematic diagram of a pad buffer mechanism used in a sheet metal parts distribution and conveying system according to the present invention. Figure 1 ;

[0034] Figure 8 This is a schematic diagram of a pad buffer mechanism used in a sheet metal parts distribution and conveying system according to the present invention. Figure 2 ;

[0035] Figure 9 This is a schematic diagram of a type of pad used in a sheet metal parts distribution and conveying system according to the present invention;

[0036] Figure 10 This is a schematic diagram of a type II pad used in a sheet metal parts distribution and conveying system according to the present invention.

[0037] 1. Pad conveyor line, 2. Supporting component conveyor line, 3. Raw material supply line, 4. Roller conveyor, 5. Chain conveyor, 6. Lifting and transplanting machine, 7. Lifting conveyor, 8. Pad, 801 Class I pad, 802 Class II pad, 9. Pad buffer mechanism, 901 Frame, 902 Motor, 903 Transmission mechanism, 904 Sprocket assembly, 905 Wing plate chain, 10. Code reader, 11. Feeding station, 12. Sorting station. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] See the appendix of this invention. Figures 1 to 10According to an embodiment of the present invention, a sheet metal parts distribution and conveying system includes a bottom pad conveyor line 1, a middle supporting component conveyor line 2, and a top raw material supply line 3. The pad conveyor line 1 conveys pads 8 from upstream. In this embodiment, the pads 8 have two sizes and are used to carry different types of sheet metal parts (raw materials). The types of sheet metal parts are classified according to the size of the raw materials. The pads are carriers for sorting into orders and transporting raw materials. The pads are divided into Class I pads and Class II pads according to different types of raw material parts. Class I pads are larger in size and suitable for carrying larger raw materials. Class II pads are smaller and suitable for carrying smaller raw materials. Raw material parts larger than a certain size are all classified and collected on Class I pads, and raw material parts smaller than a certain size are all classified and collected on Class II pads.

[0040] The pad conveyor line 1, the supporting component conveyor line 2, and the raw material supply line 3 are all composed of roller conveyors 4 and chain conveyors 5. Roller conveyors and chain conveyors are mature existing mechanisms. There are three sets of chain conveyors 5, symmetrically arranged on both sides of roller conveyor 4 (only three sets are shown in this embodiment). The length of roller conveyors and the number of chain conveyors can be adapted and adjusted as needed. This embodiment only shows the layout of a limited number of chain conveyors and roller conveyors. A lifting and transplanting machine 6 is arranged on roller conveyor 4 and at the reversing connection point of chain conveyor 5. The lifting and transplanting machine is existing equipment and can pass through the gaps in the roller conveyor to lift the pads on the roller conveyor without affecting the normal operation of the roller conveyor.

[0041] The outer end of the chain conveyor 5 corresponding to the pad conveyor line 1 is provided with multiple lifting conveyors 7. The lifting end of the lifting conveyor 7 has multiple lifting heights and connects with the chain conveyor 5 of the corresponding layer; that is, one lifting conveyor can connect to pads and raw materials on chain conveyors of different heights.

[0042] The pad buffer mechanism 9 is arranged above the chain conveyor 5 corresponding to the pad conveyor line 1. Specifically, the pad buffer mechanism is used to buffer the first type of pad, which can be quickly supplied when needed, while the second type of pad is directly supplied by the upstream conveyor line.

[0043] At both ends of the roller conveyor 4 corresponding to the pad conveyor line 1, the supporting component conveyor line 2, and the raw material supply line 3, there are barcode readers 10 that identify barcode information on the pads, which can track raw material information.

[0044] In other embodiments, the roller conveyor 4 and chain conveyor 5 corresponding to the pad conveyor line 1, the supporting component conveyor line 2, and the raw material supply line 3 are arranged in the same way. Similarly, the layout of the three-layer lifting transplanter is also consistent. The pad conveyor line 1 is equipped with a feeding station 11 and a sorting station 12. The feeding station 11 and the sorting station 12 are equipped with different chain conveyors 5. The layout of the feeding station and the sorting station can be one-to-one or one-to-two. In this embodiment, it is a one-to-two layout (the middle is the feeding station, and the two sides are the sorting stations). That is to say, workers or robots can pick up the required raw materials from the middle feeding station to the sorting stations at both ends. The feeding in the feeding station includes the supply of pads and the supply of raw materials. Workers or robots can take pads or sort raw materials from the lifting conveyor at the feeding station. The pad buffer mechanism 9 is arranged on the chain conveyor 5 near the feeding station 11 for temporarily storing a type of pad.

[0045] In some specific embodiments, the pad 8 includes a first-class pad 801 and a second-class pad 802. The size of the first-class pad 801 is larger than that of the second-class pad 802. Both the first-class pad 801 and the second-class pad 802 have multiple information codes displaying their information at the top corners. The specific arrangement of the information codes can be at the diagonal or four corners of the pad. The information codes facilitate the reading of relevant information by the code reader. The first-class pads 801 are stacked and stored on the pad buffer mechanism 9. Since the second-class pads are too small to be stored by the pad buffer mechanism, during normal use, the first-class pads are supplied to the sorting station. The supply of the first-class and second-class pads is determined according to the system's task. Excess first-class pads are temporarily stored horizontally on the pad buffer mechanism. The second-class pads are directly supplied by the upstream pad conveyor line. This avoids a messy order of both first-class and second-class pads on the conveyor line. When a first-class pad is needed, it can be promptly released from the pad buffer mechanism and output to the corresponding station.

[0046] In some other embodiments, the pad buffer mechanism 9 includes a frame 901, a motor 902, a transmission mechanism 903, a sprocket assembly 904, and a wing plate chain 905. The frame 901 is arranged on both sides of the chain conveyor 5. The motor 902 is fixed on the frame 901. The sprocket assembly 904 is rotatably connected to the frame 901. The output shaft of the motor 902 is connected to the transmission mechanism 903 and transmits power to the sprocket assembly 904. The wing plate chain 905 is drivenly connected to the sprocket assembly 904. The wing plate chains 905 are grouped in pairs and distributed on the corresponding sides of the chain conveyor 5. The rotation directions of the grouped wing plate chains 905 are opposite. This is to enable the side wing plates on the adjacent sides of the grouped wing plate chains to move synchronously and to lift and place a type of pad 801 on the chain conveyor 5 to form a horizontal stacked storage effect.

[0047] In some other specific embodiments, the lifting end of the lifting conveyor 7 is horizontally equipped with a chain conveyor mechanism, which is connected to the chain conveyor 5 of the corresponding layer and conveys a type 1 pad 801 or a type 2 pad 802. The conveying direction of the roller conveyor 4 and the chain conveyor 5 is adjustable, and the target conveying is completed according to the system task requirements.

[0048] In some other embodiments, the bottom layer pad conveyor line 1 is arranged at a height of 0.45m, the middle layer supporting component conveyor line 2 is arranged at a height of 1.33m, and the top layer raw material supply line 3 is arranged at a height of 2.35m. Each layer is independent of each other and does not affect each other.

[0049] In some other specific embodiments, the top-level raw material supply line 3 transports the upstream pallets carrying raw material components to a lower position via a lifting conveyor 7. Workers or robots near the feeding station sort the parts. Excess raw material components are sent to the supporting component conveyor line via the corresponding lifting conveyor 7 and transported to the storage area. Pallets carrying complete sets of materials are sent to the supporting component conveyor line via the corresponding lifting conveyor and then to the downstream. Of course, the raw material components transported from the top level also include semi-complete parts units that are not fully assembled. The final assembly process can also be completed at the sorting station, that is, the remaining raw materials are picked by humans or robots to make up for the semi-complete parts units. The assembled parts units are then transported to the intermediate supporting component conveyor line and sent downstream.

[0050] In some other embodiments, when a type of pad 801 is needed on the lifting conveyor 7 of the sorting station, the pad buffer mechanism 9 releases the pad and sends it to the chain conveyor 5 at the bottom. Together with the lifting transfer machine 6 and the chain conveyor 5, the type of pad 801 is transported to the corresponding sorting station 12. This process involves nearby placement, completing the replenishment of the type of pad at close range.

[0051] In other embodiments, the roller conveyor 4 and chain conveyor 5 on the pallet conveyor line 1, the supporting component conveyor line 2, and the raw material supply line 3 are all electrically connected to the control system. The control system is electrically connected to the barcode reader 10, the lifting and transplanting machine 6, the lifting conveyor 7, and the pallet buffer mechanism 9, respectively. The entire system operates in an orderly manner, completing corresponding tasks according to system requirements. It is suitable for multi-point operations with complex sorting conditions, has strong compatibility, and the specifications of the pallets required for order selection are determined according to the system task.

[0052] The specific process is as follows:

[0053] Initialization: Upstream equipment conveys single empty pallets of different specifications required for picking to the 0.45-meter pallet conveyor line and places them on the lifting conveyor at the sorting station. First-class empty pallets with specifications matching the pallet buffer mechanism are pre-transported to the chain conveyor below the pallet buffer mechanism. The pallet buffer mechanism starts, the wing chain moves upward, lifting the first-class empty pallets on the lower chain conveyor for stacking and storage. The number of first-class empty pallets buffered in the pallet buffer mechanism is determined according to the system consumption ratio. All incoming first-class or second-class empty pallets have information codes affixed to designated locations, and the codes are read by the code reader at the conveyor line input port, tracking material information and location throughout the entire line. During system use, first-class empty pallets are stored in the pallet buffer mechanism, while second-class empty pallets are supplied from upstream on the pallet conveyor line. Excess second-class empty pallets generated after picking are sent downstream via the pallet conveyor line, stacked, and then transported to the upstream feeding port for further picking. Because the base plate is the basis for the movement of raw materials and parts, the use of the base plate is necessary.

[0054] The raw material pallets (meaning empty pallets supporting raw materials) transported from the upstream conveyor line at a height of 2.4 meters are read by a barcode reader and sent to the designated raw material buffer station (in this embodiment, the chain conveyor in the middle of the top layer) in the system. The three-stop lifting conveyor rises to a high position of 2.4 meters, picks up the material, and descends to a low position of 0.5 meters at the order picking station (feeding station) for the operators to pick.

[0055] For operations where some picking has been done upstream but the remaining parts still need to be picked in this system, this is defined as package processing in this system. In other words, semi-finished material units that have not been picked upstream can still be transported from the top raw material conveyor line.

[0056] For material units that need to be bundled, the semi-finished material units input into this system from the upstream conveyor system at a height of 2.4 meters are buffered on the chain conveyors at both ends of the top layer (the chain conveyor in the middle of the top layer is used to store raw materials to be sorted). When the bundling operation begins, the corresponding lifting conveyor rises to a height of 2.4 meters, picks up the semi-finished material units, and descends to the bundling picking operation station (sorting station) at a low height of 0.5 meters for the operators to perform bundling picking operations.

[0057] The completed order picking and bundling process results in pallets (containing raw materials and parts) being lifted by the corresponding lifting conveyor to the 1.38-meter-high middle layer of the component conveyor line. The chain conveyor then transitions to the roller conveyor via a lifting transfer machine. Finally, after being coded by a barcode reader, the pallets are moved to the designated location in the downstream system for use in subsequent processes.

[0058] For any remaining materials that are not picked up at the raw material picking station (the sorting stations at both ends in this embodiment), the lifting conveyor rises to the 1.38-meter middle layer supporting component conveyor line to return the remaining materials. After being read by the code reader, the materials enter the designated position in the downstream system for use in subsequent processes.

[0059] For empty pallets generated after material picking at the feeding station, if they are Class I pallets, the lifting conveyor directly transports them to the downstream chain conveyor at a low position of 0.5 meters. Once transported to the desired position, the conveyor stops, and the wing plate chain on the pallet buffer mechanism moves upward, lifting the Class I pallet a certain distance (ensuring that the side wing plates below the wing plate chain do not interfere with the incoming material on the chain conveyor), storing it on the wing plate chain, thus creating a receiving position for the chain conveyor. This cycle is repeated to complete the vertical storage of Class I empty pallets. If they are Class II pallets, the lifting conveyor directly transports them at a low position of 0.5 meters via the downstream chain conveyor to the roller conveyor line, and then sends them downstream for stacking.

[0060] When a sorting station needs a new empty pallet, if the demand is for a Type I pallet, the wing chain of the pallet buffer mechanism moves downward and releases the Type I pallet onto the bottom chain conveyor. The corresponding chain conveyor then transports the empty Type I pallet via the pallet conveyor line to the required order picking station (sorting station) for workers or robots to pick according to the task. This cycle repeats to complete the order picking operation. If the demand is for a Type II pallet, an empty Type II pallet is supplied from upstream and transported to the required sorting station via a 0.45-meter pallet conveyor line for picking.

[0061] This invention is highly compatible and suitable for complex multi-point sorting operations. It can work with workers or robots to complete sorting and improve sorting and bundling efficiency.

[0062] The apparatus and methods disclosed in the embodiments are described simply because they correspond to the methods disclosed in the embodiments. For relevant details, please refer to the method section.

[0063] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sheet metal parts distribution and conveying system, characterized in that, It includes a bottom plate conveying line (1), a middle supporting component conveying line (2), and a top raw material supply line (3); the plate conveying line (1) conveys the upstream plate (8), the plate (8) has various sizes and specifications and is used to support different types of plate parts, the plate (8) includes a first type plate (801) and a second type plate (802). The pad conveyor line (1), the supporting component conveyor line (2), and the raw material supply line (3) are all composed of roller conveyors (4) and chain conveyors (5). There are multiple sets of chain conveyors (5) symmetrically arranged on both sides of the roller conveyor (4). A lifting transplanter (6) is arranged on the roller conveyor (4) and at the reversing connection point corresponding to the chain conveyor (5). The outer end of the chain conveyor (5) corresponding to the pad conveyor line (1) is provided with multiple lifting conveyors (7), and the lifting end of the lifting conveyor (7) has multiple lifting heights and is connected to the chain conveyor (5) of the corresponding layer. A pad buffer mechanism (9) is arranged above the chain conveyor (5) corresponding to the pad conveyor line (1), and the first type of pad (801) is horizontally stacked and stored on the pad buffer mechanism (9). At both ends of the roller conveyor (4) corresponding to the pad conveyor line (1), the supporting component conveyor line (2), and the raw material supply line (3), there are barcode readers (10) that identify barcode information on the pads. Since the pads used are of different sizes, a pad buffer mechanism is used to temporarily store one type of pad, while the other type of pad is directly supplied by the upstream conveyor line.

2. The sheet metal parts distribution and conveying system according to claim 1, characterized in that, The roller conveyor (4) and chain conveyor (5) corresponding to the pad conveyor line (1), the supporting component conveyor line (2), and the raw material supply line (3) are laid out in the same way. The pad conveyor line (1) is equipped with a feeding station (11) and a sorting station (12). The feeding station (11) and the sorting station (12) are equipped with different chain conveyors (5). The pad buffer mechanism (9) is arranged on the chain conveyor (5) close to the feeding station (11).

3. The sheet metal parts distribution and conveying system according to claim 2, characterized in that, The size of the first type of pad (801) is larger than the size of the second type of pad (802), and there are multiple information codes at the top corners of the first type of pad (801) and the second type of pad (802).

4. The sheet metal parts distribution and conveying system according to claim 3, characterized in that, The pad buffer mechanism (9) includes a frame (901), a motor (902), a transmission mechanism (903), a sprocket assembly (904), and a wing plate chain (905). The frame (901) is arranged on both sides of the chain conveyor (5). The motor (902) is fixed on the frame (901). The sprocket assembly (904) is rotatably connected to the frame (901). The output shaft of the motor (902) is connected to the transmission mechanism (903) and transmits power to the sprocket assembly (904). The wing plate chain (905) is driven and connected to the sprocket assembly (904). The wing plate chains (905) are grouped in pairs and distributed on both sides of the corresponding chain conveyor (5). The wing plate chains (905) in the group rotate in opposite directions and their side wing plates cooperate to lift and place a type of pad (801) on the chain conveyor (5).

5. A sheet metal parts distribution and conveying system according to claim 4, characterized in that, The lifting end of the lifting conveyor (7) is horizontally equipped with a chain conveyor mechanism. The chain conveyor mechanism is connected to the chain conveyor (5) of the corresponding layer and conveys a type I pad (801) or a type II pad (802). The conveying direction of the roller conveyor (4) and the chain conveyor (5) is adjustable.

6. A sheet metal parts distribution and conveying system according to claim 5, characterized in that, The bottom layer of the pad conveyor line (1) is arranged at a height of 0.4m to 0.6m, the middle layer of the supporting component conveyor line (2) is arranged at a height of 1.3m to 1.5m, and the top layer of the raw material supply line (3) is arranged at a height of 2.3m to 2.5m.

7. A sheet metal parts distribution and conveying system according to claim 6, characterized in that, The top-level raw material supply line (3) transports the upstream pallet carrying the raw material components to the lower position via the lifting conveyor (7). Workers or robots near the supply station sort the parts. Excess raw material components are sent to the supporting component conveyor line via the corresponding lifting conveyor (7) and transported to the storage area. The pallet carrying the complete set of materials is sent to the supporting component conveyor line via the corresponding lifting conveyor and sent to the downstream.

8. A sheet metal parts distribution and conveying system according to claim 7, characterized in that, When a type of pad (801) is needed on the lifting conveyor (7) of the sorting station, the pad buffer mechanism (9) places the type of pad on it onto the chain conveyor (5) at the bottom, and together with the lifting transplanter (6) and the chain conveyor (5), transports the type of pad (801) to the corresponding sorting station (12).

9. A sheet metal parts distribution and conveying system according to claim 8, characterized in that, The roller conveyor (4) and chain conveyor (5) on the pad conveyor line (1), the supporting component conveyor line (2), and the raw material supply line (3) are all electrically connected to the control system. The control system is electrically connected to the barcode reader (10), the lifting transplanter (6), the lifting conveyor (7), and the pad buffer mechanism (9), respectively.

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