Flexible plate conveying system based on RFID

Abstract

The application discloses a flexible plate conveying system based on RFID, characterized in that the system comprises a single-layer fixed conveying roller bed, a double-layer fixed conveying roller bed, a three-dimensional tray transfer mechanism, a lifting tray transfer roller bed and a sliding plate tray for bearing plates, wherein an electronic tag is arranged on the sliding plate tray, and a plurality of antennas and a plurality of readers for reading the information of the electronic tag are arranged in a workshop. The roller bed, the plate transfer tray and the three-dimensional tray transfer mechanism are standardized and designed, can be flexibly spliced according to actual process requirements, and can meet the intelligent transfer requirements of plates in different workshops, improve the processing efficiency and safety. The information of the sliding plate tray is read based on the RFID system, and the position of the tray is monitored.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cutting and blanking of metal plates, in particular to a flexible plate conveying system based on RFID. BACKGROUND

[0002] With the rapid development of industry, the demand for non-standard steel structural parts is increasing, and the demand for plate (i.e. steel plate) blanking is also increasing. Plate feeding, plate transportation, plate cutting, automatic sorting and other supporting intelligent production lines will become the development direction of intelligent factories, especially in the direction of blanking, assembling and welding of batch structural parts. The traditional structural part blanking, assembling and welding industry usually needs to transfer plates by cranes, forklifts and other equipment, which is low in efficiency and prone to safety accidents. Therefore, the development of a flexible plate conveying line is crucial for the intelligent blanking and processing of plates. SUMMARY

[0003] Therefore, the present application proposes a flexible plate conveying system based on RFID.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0005] The flexible plate conveying system based on RFID comprises a single-layer fixed conveying roller bed, a double-layer fixed conveying roller bed, a three-dimensional tray transfer mechanism, a lifting tray transfer roller bed and a sliding plate tray for carrying plates, wherein the sliding plate tray is provided with an electronic tag, and a plurality of antennas and a plurality of readers for reading the electronic tag information are arranged in the workshop.

[0006] The three-dimensional tray transfer mechanism comprises a first moving mechanism walking along a steel rail, a plurality of pairs of first lifting mechanisms arranged on the first moving mechanism and a second moving mechanism driven to lift by the plurality of pairs of first lifting mechanisms, wherein the conveying direction of the second moving mechanism is perpendicular to the moving direction of the first moving mechanism. The first moving mechanism comprises a walking power source and a walking frame driven by the walking power source, wherein the walking frame is a steel structure frame comprising a plurality of first walking beams and a second walking beam connecting the plurality of first walking beams together, and the walking power source is mounted on the second walking beam. Each of the first walking beams is provided with a driving wheel and a walking wheel, and the walking power source is in driving connection with the driving wheel on each first walking beam through a first transmission shaft. The second moving mechanism comprises a supporting frame for supporting the tray and a tray conveying mechanism arranged on the supporting frame, and the supporting frame is fixedly connected to the lifting seats of the plurality of pairs of first lifting mechanisms.

[0007] The beneficial effects are that the roller bed, the plate transfer tray and the three-dimensional tray transfer mechanism are standardized designed, flexible splicing can be carried out according to actual process requirements, the intelligent transfer requirements of different workshops are met, the processing efficiency and safety are improved, the transfer of the crane or the forklift is not needed, and manual intervention is reduced.

[0008] The three-dimensional tray transfer mechanism utilizes the first moving mechanism and the lifting mechanism to realize the X-direction and Z-direction adjustment of the tray, utilizes the second moving mechanism to realize the Y-direction conveying of the tray, can transfer the tray to different roller beds, and then realizes flexible transfer of the tray and improves the transfer efficiency and processing efficiency of the tray.

[0009] In the application, the sliding skid type plate tray is used as the transfer tool of the plate, the sliding skid type design is adopted to facilitate the entry and exit of each roller bed, and then the free circulation of the plate between different sections is realized, the transfer requirements of the plate between different sections are met, and automatic transfer is realized.

[0010] The application reads the information of the sliding skid type plate tray based on the RFID system, realizes the monitoring of the tray position, and lays a foundation for realizing the intelligent monitoring of the plate.

[0011] In the preferred embodiment of the application, the first lifting mechanism comprises a lifting power source arranged vertically and a lifting frame covered on the lifting power source, a power output end of the lifting power source is fixedly connected with the lifting seat, and the lifting seat is fixed to the bottom of the lifting frame; the lifting power source is any one of an electric cylinder, a gas cylinder, a hydraulic cylinder and a lead screw stepper motor;

[0012] The first lifting mechanism further comprises a guide assembly, the guide assembly comprises a pair of guide columns fixed vertically on the second walking beam, and the two guide columns are located outside the lifting frame;

[0013] The guide assembly further comprises two pairs of upper rollers matched with the guide columns one by one, each guide column has a pair of adjacent guide surfaces, and each pair of upper rollers is in rolling cooperation with the guide surfaces of the guide column one by one.

[0014] The top portions of the two guide columns of each first lifting mechanism are connected through a first connecting rod, and the first connecting rods of each pair of first lifting mechanisms are connected through a second connecting rod.

[0015] The beneficial effects are: in the steel production line, the weight of the tray itself and the plate is often large, the lifting power source is preferably an electric cylinder, without additional gas station or hydraulic station. Of course, for the production line with relatively light load, the lifting power source can also adopt a gas cylinder. In addition, in actual processing, the guide column is preferably fixed on the square steel pipe of the walking frame, the included angle between each pair of upper rollers on the lifting frame is 90 degrees, and the two upper rollers are in rolling cooperation with the two adjacent guide surfaces of the guide column, thereby limiting the movement track of the lifting frame, avoiding the torsion during lifting.

[0016] The first connecting rod (a square steel pipe) is used to connect the two guide columns of the first lifting mechanism together, improve the structural stability of the guide column, and avoid the upper inclination due to stress.

[0017] In a preferred embodiment of the present application, the walking power source is a walking motor and a walking reducer fixed on the second walking beam, the walking reducer is a through-type reducer, and the output shaft of the walking reducer is drivingly connected to the wheel shafts of the plurality of driving wheels through the first transmission shaft.

[0018] The tray conveying mechanism comprises a conveying power source and two rows of conveying rollers symmetrically arranged on the supporting frame, each conveying roller is provided with two transmission gears on the roller shaft, and the plurality of conveying rollers in each row of conveying rollers are connected to each other by a transmission chain wound on the transmission gears.

[0019] The conveying power source comprises a conveying motor and a conveying reducer, at least one driving gear is arranged on the output shaft of the conveying reducer, at least one conveying roller in each row of conveying rollers is a driving roller, one transmission gear on the driving roller is drivingly connected to the driving gear through a driving chain, and the conveying rollers in the two rows of conveying rollers are drivingly connected through a second transmission shaft.

[0020] Since the adjacent conveying rollers in each row of conveying rollers are connected to each other by a transmission chain, the transmission connection of each row of conveying rollers is realized, and the stable conveying demand of the tray is met.

[0021] In a preferred embodiment of the present application, the supporting frame is a steel structure frame, which comprises at least two first supporting beams parallel to the second walking beams and a plurality of second supporting beams connecting the at least two first supporting beams together; the first supporting beam comprises two back-to-back supporting channel steels and a connecting channel steel connecting the two supporting channel steels together, the shaft of each conveying roller in each column of the conveying rollers is rotatably connected with the two supporting channel steels through a bearing seat, and the two transmission gears on each shaft are opposite to each other in the avoiding space between the two supporting channel steels. The beneficial effect is that the supporting frame of the present application is a steel structure frame, which ensures the supporting performance; the first supporting beam adopts two back-to-back supporting channel steels, which provides a certain space for the transmission chain between the conveying rollers, ensuring reliable transmission between the conveying rollers; the plurality of connecting channel steels can not only realize the connection of each pair of supporting channel steels, but also can be connected with the moving seat together, thereby realizing the fixed connection of the supporting frame and the lifting mechanism.

[0022] In a preferred embodiment of the present application, the sliding plate pallet comprises a supporting frame and a supporting platform arranged in the supporting frame, the supporting frame and the supporting platform are detachably connected, the supporting platform is composed of a plurality of supporting lattices which are sequentially connected, each supporting lattice comprises a pair of end plates and a plurality of supporting splines which are fixedly connected between the two end plates, the plurality of supporting splines are arranged along the width direction of the supporting frame, and the two end plates are respectively fixed on the two long sides of the top of the supporting frame.

[0023] A plurality of partitions are arranged in the supporting frame along the width direction of the supporting frame, and the supporting frame, the plurality of partitions and the plurality of supporting lattices form a plurality of smoke exhaust channels arranged along the width direction.

[0024] Each side plate of the supporting frame in the width direction is provided with an upwardly protruding guide head, and each end of the supporting frame has two guide heads, which facilitates the entry and exit of the roller conveyor line, thereby realizing free flow.

[0025] The beneficial effect is that the sliding plate pallet of the present application can not only be used as a transfer pallet for plates, but also be used as a cutting platform for plates, a plurality of sliding plate pallets can be matched in each conveying system, thereby realizing the assembly line conveying of plates and shortening the waiting time of the cutting machine at the cutting station, improving the cutting efficiency of the steel plate; the pallet has a plurality of independent smoke exhaust channels, which can realize the point smoke exhaust of the cutting part by means of the exhaust fan, reducing the influence of cutting smoke dust; the supporting lattices are used to support the steel plate, the slag and metal chips generated can fall into the lower smoke exhaust channel, the slag and metal chips can be concentratedly cleaned, and the influence on the cutting station is reduced.

[0026] In a preferred embodiment of the present application, the support frame comprises a bottom frame, an upper frame arranged on the bottom frame by a plurality of first connecting steel pipes, the bottom frame comprises a lower long beam, a lower short beam, a bottom steel plate and a second connecting steel pipe fixed together, the lower long beam and the lower short beam are connected together by the second connecting steel pipe arranged longitudinally and transversely, the bottom steel plate is provided with a fireproof layer, the fireproof layer is arranged by firebricks, the thickness of the fireproof layer is 20-25mm, and the bottom of the bottom frame is provided with a wear plate. The tray of the present application has a fireproof layer, due to the characteristics of the firebricks, the molten slag is not easy to adhere after falling on the firebricks, the cleaning difficulty of the molten slag is reduced, and the cleaning efficiency is improved. In addition, the fireproof layer arranged by the firebricks can also isolate the heat influence of the high-temperature molten material on the bottom steel plate, thereby prolonging the service life of the present application.

[0027] In a preferred embodiment of the present application, the upper frame is sequentially fixed by an upper long beam and an upper short beam, the upper long beam and the lower long beam, and the upper short beam and the lower short beam are connected together by the first connecting steel pipe, and a plurality of pairs of reinforcing angle steels are fixed between the two lower long beams, the bottom steel plate and the corresponding reinforcing angle steel are fixed, the structural strength and supporting capacity of the support frame are improved, and the bottom steel plate is prevented from sinking.

[0028] In a preferred embodiment of the present application, the upper part of the support frame is provided with a positioning structure, the positioning structure comprises a fixing plate arranged between adjacent support grids and a plurality of positioning plates corresponding to the support grids one by one, both ends of the fixing plate are fixed on two upper long beams of the support frame, each group of the positioning plates is arranged along the length direction and fixed with the fixing plate, and each positioning plate has a plurality of positioning slots corresponding to the support racks of the support grids one by one. The beneficial effect is that the positioning structure is used to position and provide support force for the support rack, and deformation is avoided as much as possible.

[0029] In a preferred embodiment of the present application, the double-layer fixed conveying roller bed comprises a first mounting frame, a lower conveying unit and an upper conveying unit arranged on the first mounting frame, the single-layer fixed conveying roller bed comprises a second mounting frame and a third conveying unit arranged on the second mounting frame, and the upper conveying unit, the lower conveying unit and the third conveying unit are the same in structure as the tray conveying mechanism.

[0030] In a preferred embodiment of the present application, the lifting type tray transfer roller bed comprises a third mounting frame and a fourth conveying unit, a plurality of pairs of second lifting mechanisms for driving the fourth conveying unit to lift are arranged in the third mounting frame, the second lifting mechanisms are the same in structure as the first lifting mechanisms, and the fourth conveying unit is the same in structure as the tray conveying mechanism.

[0031] Compared with the prior art, the advantages of the present application are embodied in the following aspects:

[0032] The roller bed, the plate transfer tray and the three-dimensional tray transfer mechanism are standardized in the present application, and can be flexibly spliced according to actual process requirements, thereby meeting the intelligent transfer requirements of different workshops, improving the processing efficiency and safety, and reducing manual intervention. The three-dimensional tray transfer mechanism can realize X-direction and Z-direction adjustment of the tray, the second moving mechanism realizes Y-direction conveying of the tray, the tray can be transferred to different roller beds, thereby realizing flexible transfer of the tray and improving the transfer efficiency and processing efficiency of the tray.

[0033] In the present application, the slide-type plate tray is used as a plate transfer tool, and the slide-type design facilitates entry and exit of each roller bed, thereby realizing free circulation between different sections, meeting the transfer requirements of plates between different sections, and realizing automatic transfer. During processing, the slide-type plate tray can be used as a standardized tray, and the size is designed according to the maximum workpiece of the production line, and is compatible with the maximum workpiece downwardly, and any plate smaller than the maximum workpiece can be directly transferred by the conveying line without the need of adding auxiliary devices.

[0034] The present application reads the information of the slide-type plate tray based on the RFID system, realizes monitoring of the tray position, and lays a foundation for realizing intelligent monitoring of the plate. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 is a schematic diagram of the present application.

[0036] Figure 2 is a structural schematic diagram of the three-dimensional tray transfer mechanism of the present application.

[0037] Figure 3 is a schematic diagram of the first moving mechanism in the present application.

[0038] Figure 4 is a structural schematic diagram of the lifting mechanism of the present application.

[0039] Figure 5 is Figure 4 is a schematic diagram of the top rollers and guide columns of the lifting frame in the present application.

[0040] Figure 6 is a schematic diagram of the second moving mechanism of the present application.

[0041] Figure 7 is Figure 6 is an enlarged view of the N part in the present application.

[0042] Figure 8 is Figure 2 is an enlarged view of the M part in the present application.

[0043] Figure 9 is a connection diagram of the conveying roller.

[0044] Figure 10 is a structural diagram of the sliding plate pallet according to the present application (part of the support grid is omitted).

[0045] Figure 11 is a side view of Figure 10 (B-B direction).

[0046] Figure 12 is a diagram of one set of support grids of the sliding plate pallet according to the present application.

[0047] Figure 13 is a partial diagram of the sliding plate pallet according to the present application.

[0048] Figure 14 is a diagram of the relative position relationship between the sliding plate pallet according to the present application and the cutting machine.

[0049] Figure 15 is a diagram of the double-layer fixed conveying roller bed according to the present application.

[0050] Figure 16 is a side view of Figure 15 .

[0051] Figure 17 is a diagram of the single-layer fixed conveying roller bed according to the present application.

[0052] Figure 18 is a diagram of the lifting pallet transfer roller bed according to the present application.

[0053] Figure 19 is a side view of Figure 18 . DETAILED DESCRIPTION

[0054] The embodiments of the present application will be described in detail below with reference to the accompanying drawings, which are implemented on the premise of the technical solutions of the present application, and give detailed implementation manners and specific operation processes, but the protection scope of the present application is not limited to the following embodiments.

[0055] It should be noted that, in the description of the present application, the relationship terms such as "first" and "second" and the like are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.

[0056] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected" that may appear should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0057] In combination Figure 1 It can be known that the present application proposes a flexible plate conveying system based on RFID, which comprises a single-layer fixed conveying roller bed, a double-layer fixed conveying roller bed, a three-dimensional tray transfer mechanism, a lifting tray transfer roller bed and a plurality of slide-type plate trays for carrying plates. An electronic tag is arranged on the slide-type plate tray, a plurality of antennas and a plurality of reader-writers (of course, it can also be a control system with a man-machine interface) for reading electronic tag information are arranged in the workshop, the identification of the tray is realized, and the foundation for intelligent control of the plate production line is laid. The single-layer fixed conveying roller bed, the double-layer fixed conveying roller bed, the three-dimensional tray transfer mechanism, the lifting tray transfer roller bed and the slide-type plate tray of the present application are standardized designed, can be flexibly spliced according to the actual process requirements, and then meet the intelligent transfer requirements of plates in different production lines, improve the processing efficiency and safety, do not need to rely on the transfer of the travelling crane or the forklift, and reduce the manual intervention.

[0058] Specifically, in combination Figure 1 It can be known that the present application has a first section, a second section and a third section, the first section is provided with a single-layer fixed conveying roller bed GD1-1 and a three-dimensional tray transfer mechanism A, and a single-layer fixed conveying roller bed (two or more than two, facilitating the turnover of plate-carrying trays and empty trays) and a double-layer fixed conveying roller bed (at least one) connected with the three-dimensional tray transfer mechanism A, the rollers in the single-layer fixed conveying roller bed of the first section are respectively marked as single-layer fixed conveying roller beds GD1-2 / GD1-4 / GD1-6, and the double-layer fixed conveying roller bed is marked as GD2-1, which can be specifically seen from Figure 2 ; in actual work, the three-dimensional tray transfer mechanism A can transfer the tray conveyed by the single-layer fixed conveying roller bed GD1-1 to the single-layer fixed conveying roller bed or the double-layer fixed conveying roller bed, realizing flexible transfer of the tray;

[0059] The second work section is provided with single-layer fixed conveying roller beds (two or more, facilitating the turnover of the tray and empty tray of the plate material) and double-layer fixed conveying roller beds (at least one) corresponding to the first work section, the roller beds in the single-layer fixed conveying roller beds are respectively marked as GD1-3 / GD1-5 / GD1-7, and the double-layer fixed conveying roller bed is marked as GD2-2; a three-dimensional tray transfer mechanism B and a double-layer fixed conveying roller bed GD2-3 connected with the three-dimensional tray transfer mechanism B are arranged at the other end of the roller bed.

[0060] The third work section is sequentially provided with a double-layer fixed conveying roller bed GD2-4 and a lifting tray transfer roller bed LT2-1. In actual work, the plate material processed by the second work section processing equipment enters the upper layer of the double-layer fixed conveying roller bed GD2-4 through the three-dimensional tray transfer mechanism B and the upper layer of the double-layer fixed conveying roller bed GD2-3, and then enters the lifting tray transfer roller bed LT2-1 after the plate material is taken away, and the height of the empty tray is adjusted to return to the first work section from the lower layer of the double-layer fixed conveying roller bed GD2-4 / GD2-3.

[0061] The above-mentioned first work section, second work section and third work section are only one layout of the plate material production line, and in actual installation, the layout can be flexibly adjusted according to the process requirements of the plate material production line.

[0062] The three work sections of the present application realize the flexible transfer of the tray in the three-dimensional space by using two three-dimensional tray transfer mechanisms A / B, and the structure of the three-dimensional tray transfer mechanism A is specifically described. Figure 1 It can be seen that the three-dimensional tray transfer mechanism includes a steel rail A1 (adopting an I-shaped steel) arranged on the ground of the workshop, a first moving mechanism A2 walking along the steel rail A1, a plurality of pairs of first lifting mechanisms A3 (four pairs of lifting mechanisms are shown in the figure, and of course, the number of pairs of lifting mechanisms can be flexibly adjusted according to the requirements of the production line and the space of the workshop) arranged on the first moving mechanism A2, and a second moving mechanism A4 driven to lift by the plurality of pairs of first lifting mechanisms A3; the first moving mechanism A2 moves in the X direction, drives the first lifting mechanism A3, the second moving mechanism A4 and the plate material and its tray on the second moving mechanism A4 to adjust the position in the X direction; the first lifting mechanism A3 adjusts the plate material and its tray in the Z direction; the second moving mechanism A4 adjusts the plate material and its tray in the Y direction, realizes the flexible transfer of the plate material between different processes, improves the transfer efficiency of the plate material, and further improves the feeding and discharging efficiency of the plate material.

[0063] The three-dimensional tray transfer mechanism B is combined with the double-layer fixed conveying roller bed GD2-3. Figures 2-3It is known that the first moving mechanism A2 includes a walking power source A2.1 and a walking frame driven by the walking power source A2.1. The walking frame and the walking power source A2.1 are connected by transmission, and the walking power source A2.1 provides walking power. The walking frame is a steel structure frame, which includes multiple first walking beams A2.2 (arranged in the X direction) and a second walking beam A2.3 (arranged in the Y direction) that connects the multiple first walking beams A2.2 together. Each first walking beam A2.2 is equipped with a drive wheel A2.4 (i.e., drive walking wheel A2.5) and a walking wheel A2.5 that cooperate with the steel rail A1. The walking wheel A2.5 and the drive wheel A2.4 are both locked on the steel rail A1.

[0064] The travel power source A2.1 is installed on one of the second travel beams A2.3. It includes a travel motor A2.1a and a travel reducer A2.1b connected to it. The travel reducer A2.1b is a through-type reducer (i.e., it has two output ends). Each output end of the travel reducer A2.1b connects the axles of multiple drive wheels A2.4 together through multiple first drive shafts A2.6 (two drive wheels A2.4 can be directly connected to the travel reducer A2.1b, and the drive wheels A2.4 can also be connected to each other through the first drive shafts A2.6), so that the travel frame is balanced by force, thereby realizing the smooth linear reciprocating movement of the travel frame.

[0065] In actual installation, the first drive shaft A2.6 and the drive wheel A2.4 axle, as well as the first drive shaft A2.6 and the output end of the travel reducer A2.1b, are connected by couplings, as detailed below. Figure 2 .

[0066] Combination Figure 2 and Figures 4-5 It is known that the first lifting mechanism A3 includes a vertically arranged lifting power source A3.1 and a lifting frame A3.2 covered by the lifting power source A3.1 (preferably an electric cylinder that does not require a pneumatic station or a hydraulic station in this invention), that is, the electric cylinder is located inside the lifting frame A3.2 (steel structure frame); the power output end of the electric cylinder is fixedly connected to the lifting seat A3.3, one end of the lifting seat A3.3 extends to the bottom of the lifting frame A3.2 and is fixedly connected to the lifting frame A3.2, and the lifting of the lifting frame A3.2 and the lifting seat A3.3 is realized by the electric cylinder;

[0067] Combination Figures 4-5It can be known that the first lifting mechanism A3 further comprises a guide assembly, the guide assembly comprising a pair of guide columns A3.4 (adopting square steel tubes) vertically fixed on the second walking beams A2.3 and two pairs of upper rollers A3.5a matched with the guide columns A3.4 one by one, the two guide columns A3.4 being located at the outer sides of the lifting frames A3.2, each guide column A3.4 having a pair of adjacent guide surfaces, and each pair of upper rollers A3.5a being in rolling cooperation with the guide surfaces of the guide column A3.4. Among them, since the included angle between the guide surfaces of the guide column A3.4 is 90 degrees, the included angle of the central axes of each pair of upper rollers A3.5a corresponds to 90 degrees, each pair of upper rollers A3.5a clamps the guide column A3.4, and then the stable lifting of the lifting frame A3.2 is realized.

[0068] In combination Figures 4-5 It can be known that a plurality of bases A3.6 are fixedly connected on each second walking beam A2.3 at intervals, the bottoms of the two guide columns A3.4 of each first lifting mechanism A3 being fixed on the base A3.6, and the bottom of the electric cylinder being fixed on the base A3.6. In combination Figure 3 It can be known that the top of the lifting frame A3.2 is symmetrically provided with a mounting seat A3.7, and a pair of upper rollers A3.5a is fixedly connected on each mounting seat A3.7, wherein the wheel shaft of the upper roller A3.5a is fixed on the mounting seat A3.7 through a vertical plate, so as to realize the fixed installation of the upper roller A3.5a. In order to ensure the stable lifting of the lifting seat A3.3, the lower part of the lifting frame A3.2 is also symmetrically provided with two pairs of lower rollers A3.5b, and the two pairs of lower rollers A3.5b are correspondingly matched with the guide columns A3.4. The combination of the upper rollers and the lower rollers A3.5b can limit the lifting frame A3.2 up and down, so as to ensure the stable lifting of the lifting frame, and further ensure the stable lifting of the lifting seat A3.3.

[0069] In actual work, since the electric cylinder and the lifting seat A3.3 are fixedly connected, the electric cylinder can drive the lifting seat A3.3 to lift when electrified, and the upper rollers A3.5a on the lifting frame A3.2 roll along the guide column A3.4 during the lifting process, so as to ensure the stable lifting of each lifting seat A3.3. In addition, during the height adjustment, a plurality of electric cylinders work synchronously, so as to realize the stable lifting of the second moving mechanism A4. Of course, during actual installation, if the workshop conditions allow and on the basis of meeting the lifting demand, a linear power source such as a pneumatic cylinder or a hydraulic cylinder can also be used to replace the electric cylinder of the present application.

[0070] In combination Figure 2 , 4 It can be known that the top of the two guide columns A3.4 of each first lifting mechanism A3 is connected through a first connecting rod A3.8, so as to improve the structural stability of the guide column A3.4 and avoid the upper part from being inclined due to stress; and the first connecting rod A3.8 of each pair of first lifting mechanisms A3 is connected through a second connecting rod A3.9, so as to reduce the influence of the tray position adjustment on the first lifting mechanism A3.

[0071] In actual processing, the first connecting rod A3.8 and the second connecting rod A3.9 are both steel pipes, and the two ends of the second connecting rod A3.9 are provided with fixed steel plates which are fixedly connected with the first connecting rod A3.8 through bolts.

[0072] It can be known from Figure 2 , 6 that the second moving mechanism A4 can realize the Y-direction adjustment of the plate and the tray, and the second moving mechanism A4 comprises a supporting frame A4.1 for supporting the tray and a tray conveying mechanism arranged on the supporting frame A4.1, and the supporting frame A4.1 is fixedly connected on the lifting seats A3.3 of the plurality of pairs of first lifting mechanisms A3; the tray conveying mechanism comprises a conveying power source A4.2, two rows of conveying rollers A4.3 (arranged in Y-direction) symmetrically arranged on the supporting frame A4.1, two transmission gears A4.4 are arranged on the roller shaft of each conveying roller A4.3, and a plurality of conveying rollers A4.3 in each row of conveying rollers are connected with each other through a plurality of transmission chains A4.5, thereby realizing the transmission connection of each row of conveying rollers A4.3 and meeting the stable conveying requirement of the tray; the two rows of conveying rollers A4.3 are symmetrically arranged, and the two rows of conveying rollers A4.3 are one-to-one transmissionally connected through a second transmission shaft A4.6, thereby realizing the transmission connection of the two rows of conveying rollers A4.3 and the synchronous rotation of the two rows of conveying rollers A4.3.

[0073] It can be known from Figure 2 that the conveying power source A4.2 comprises a conveying motor and a conveying speed reducer, two driving gears are arranged on the output shaft of the conveying speed reducer, two conveying rollers A4.3 in each row of conveying rollers A4.3 are driving rollers, and one transmission gear A4.4 on each driving roller is transmissionally connected with the two driving gears through a driving chain A4.7, thereby realizing the transmission connection of the conveying power source A4.2 and the conveying rollers A4.3. After the conveying power source A4.2 is started by power supply, the conveying power source A4.2 drives the driving gears to rotate, and drives the driving rollers to rotate through the driving chain A4.7, and the driving rollers drive the conveying rollers A4.3 in the same row to rotate through the transmission chain A4.5, and since the two rows of conveying rollers A4.3 are one-to-one correspondingly connected through the second transmission shaft A4.6, thereby realizing the synchronous work of the two rows of conveying rollers A4.3, providing power for the Y-direction movement of the tray, and realizing the Y-direction movement of the tray.

[0074] In actual installation, the conveying power source A4.2 is installed at the middle position of the supporting frame A4.1 in the Y-direction, thereby realizing the transmission of power. Of course, the conveying power source A4.2 can also be installed at the two ends of the supporting frame A4.1.

[0075] It can be known from Figures 6-8It can be seen that the supporting frame A4.1 is a steel structure frame, which comprises two first supporting beams A4.1b parallel to the second walking beam A2.3 and a plurality of second supporting beams A4.1a (which can be made of steel plates or steel pipes) connecting the two first supporting beams A4.1b together, the first supporting beam A4.1b comprises two back-to-back supporting channel steels A4.1b1 and a connecting channel steel A4.1b2 connecting the two supporting channel steels A4.1b1 together, wherein the position of part of the connecting channel steel A4.1b2 corresponds to the first lifting mechanism A3, the first supporting beam A4.1b is fixedly connected to the first lifting mechanism A3 through the connecting channel steel A4.1b2 and the lifting seat A3.3 of the first lifting mechanism A3, thereby realizing the fixed installation between each first lifting mechanism A3 and the supporting frame A4.1. In addition, the roller shafts of the conveying rollers A4.3 are rotatably connected to the two supporting channel steels A4.1b1 through bearing seats, and two transmission gears A4.4 on each roller shaft are opposite to the avoidance space between the two supporting channel steels A4.1b1, and the two supporting channel steels A4.1b1 are arranged in a spaced manner to provide space for the transmission chain A4.5 between the conveying rollers A4.3.

[0076] The working process of the three-dimensional tray transfer mechanism A is as follows: the multi-dimensional transfer system is driven by the walking power source to move to the output end of the single-layer fixed conveying roller bed GD1-1, the height of the supporting frame A4.1 is adjusted by the first lifting mechanism A3 to be consistent with the height of the single-layer fixed conveying roller bed GD1-1, then the conveying power source A4.2 is started, the two rows of conveying rollers A4.3 are driven to rotate synchronously by the conveying power source A4.2, so that the tray smoothly enters the supporting frame A4.1; then the multi-dimensional transfer system is driven by the power source to move to the single-layer fixed conveying roller bed GD1-2 / GD1-4 / GD1-6 or the double-layer fixed conveying roller bed GD2-1, so that it smoothly enters the second working section;

[0077] Similarly, when the empty tray returns, the three-dimensional tray transfer mechanism A moves the empty tray on the single-layer fixed conveying roller bed GD1-2 / GD1-4 / GD1-6 or the double-layer fixed conveying roller bed GD2-1 to the single-layer fixed conveying roller bed GD1-1, so as to transport another plate, realizing the assembly line operation of the plate.

[0078] In actual production, the present application can be matched with a plurality of skid-type plate trays. Figures 10-14It can be known that the skid type plate material tray comprises a support frame F1 and a support platform arranged in the support frame F1, the support frame F1 and the support platform are detachably connected, the support platform is sequentially connected by a plurality of groups of support grids F2 arranged in the support frame F1, each group of support grids F2 comprises a pair of end plates F2.1 and a plurality of support racks F2.2 spaced and fixed between the two end plates F2.1, the plurality of support racks F2.2 are arranged along the width direction of the support frame F1, the two end plates F2.1 are respectively fixed on the two long edges of the top of the support frame F1, and the end plate F2.1 and the support frame F1 are bolted; the support platform is designed as a plurality of groups of support grids F2, the support grids F2 are independently installed, and the disassembly and assembly are simple and convenient, so that the local replacement of the support platform is realized, and the maintenance cost is reduced; in addition, the support grid F2 connected by the support rack F2.2 supports the steel plate, and the molten slag and metal chips generated in the cutting process enter the support frame F1 through the gap between the support racks F2.2, so that the problem of molten slag accumulation is solved.

[0079] A plurality of partition plates F1.13 are arranged in the support frame F1 along the width direction of the support frame F1, the support frame F1, the plurality of partition plates F1.13 and the plurality of groups of support grids F2 surround a plurality of smoke exhaust channels F arranged along the width direction.

[0080] In actual installation, the fan F4.1 and the exhaust hood F4.2 can be installed on the walking truss 4.4 of the cutting machine of the cutting station, the fan F4.1 and the exhaust hood F4.2 are located on both sides of the smoke exhaust channel F, and the exhaust hood F4.2 is connected with the air bellow 4.3 on the ground. In actual cutting, since the walking truss 4.4 of the cutting machine can walk along the steel rail, the movement of the fan F4.1 and the exhaust hood F4.2 is realized, so that they are always located on both sides of the smoke exhaust channel F at the cutting operation position, the smoke dust and particles generated in the cutting process are quickly sucked away, the cutting smoke dust is effectively reduced, and the working environment is optimized. When the skid type plate material tray moves to the cutting station, the fan is started to quickly suck away the smoke dust and particles generated in the cutting process, the cutting smoke dust is effectively reduced, and the working environment is optimized.

[0081] In combination Figure 10 It can be known that the support frame F1 of the present application adopts a rectangular steel pipe as a main frame, which comprises a bottom frame, an upper frame arranged on the bottom frame through a plurality of first connecting steel pipes F1.1, the bottom frame comprises a lower long beam F1.3, a lower short beam F1.4 and a second connecting steel pipe F1.12 arranged between the lower long beam F1.3 and the lower short beam F1.4 and fixed together, so as to ensure the structural strength of the bottom frame, the bottom frame further comprises a bottom steel plate F1.5, and the bottom steel plate F1.5 is provided with a fire-resistant layer F1.9; the upper frame is sequentially and fixedly connected by an upper long beam F1.2 and an upper short beam F1.6, the upper long beam F1.2, the upper short beam F1.6, the lower long beam F1.3 and the lower short beam F1.4 all adopt rectangular steel pipes, and the support performance is improved.

[0082] In combination Figure 11 It can be known that the partition plate corresponding to the second connecting steel pipe F1.12 is a fixed partition plate, and other partition plates are detachable partition plates, a plurality of mounting plates can be mounted between the upper long beam and the lower long beam, and the two end portions of the detachable partition plate are fixedly connected to the mounting plates by bolts, so that the detachable partition plate is convenient to replace; the upper long beam F1.2 and the lower long beam F1.3 and the upper short beam F1.6 and the lower short beam F1.4 are fixedly connected together by a plurality of first connecting steel pipes F1.1; a plurality of pairs of reinforcing angle steels F1.8 are also fixedly connected between the two lower long beams F1.3, the bottom steel plate F1.5 is fixedly connected with the reinforcing angle steels F1.8 corresponding thereto, and the reinforcing angle steels F1.8 can avoid the settlement of the bottom steel plate F1.5 during use.

[0083] In combination Figures 10-11 And Figure 13 It can be known that the upper part of the support frame F1 is further provided with a positioning structure, the positioning structure comprises a fixed plate F1.14 (parallel to the upper short beam) arranged between adjacent support grids F2 and a plurality of groups of positioning plates F1.16 (parallel to the upper long beam) corresponding to the support grids F2, the two end portions of each pair of positioning plates F1.16 are fixedly connected to the two upper long beams F1.2 of the support frame F1, each group of positioning plates F1.16 is fixedly connected with the fixed plate F1.14, and each positioning plate F1.16 has a plurality of positioning slots corresponding to the support racks F2.2 of the support grids F2. In installation, the support grid F2 can be placed in the support frame F1, and it is ensured that the support rack F2.2 is clamped on the positioning plate F1.16, and then the end plate F2.1 of the support grid F2 is fixedly connected to the upper long beam F1.2 respectively, and a plurality of groups of support grids F2 are fixedly connected in the support frame F1, so that the installation of the support platform on the support frame F1 can be realized, and the support platform can be used to support the steel plate. In cutting, the gap of the support grid F2 allows the molten slag and debris generated in cutting to fall onto the refractory layer F1.9 below, avoiding falling onto the cutting station and reducing the cleaning difficulty of the cutting station. The refractory layer F1.9 has the characteristic of not adhering to the molten slag, so that the molten slag can be quickly cleaned, and the cleaning difficulty is reduced. During cutting, the cutting machine is movable, and can drive the fan F4.1 and the exhaust hood F4.2 to move synchronously, so that the fan F4.1 and the exhaust hood F4.2 are located on both sides of the exhaust channel F corresponding to the cutting position, and the generated smoke and fine particles can be quickly sucked away during cutting, effectively reducing the cutting smoke.

[0084] In actual installation, the refractory layer F1.9 is preferably built by refractory bricks and refractory mortar, and the thickness of the refractory layer F1.9 is 15mm-40mm, which can not only reduce the cleaning difficulty of the molten slag, but also can isolate the thermal influence of the high-temperature molten material on the bottom steel plate F1.5, thereby prolonging the service life of the support frame F1 of the present application;

[0085] The lower long beam F1.3 and the lower short beam F1.4 are arranged at the edge of the bottom frame, and have a certain height, so that the refractory layer F1.9 is arranged in the bottom frame, and slag falling can be effectively avoided during the transfer process. In addition, the support rack F2.2 is preferably made of high-strength high-temperature-resistant material (such as alloy material), which reduces the influence of high temperature on the support rack F2.2 and ensures the supporting performance of the support rack F2.2.

[0086] In combination Figures 10-11 It can be known that the bottom of the bottom frame is fixedly connected with a horizontal wear-resistant plate F1.7; the upwardly protruding guide head F1.11 is arranged on each side plate F1.10 in the width direction of the support frame, so that the support frame is similar to a sled structure, which is convenient for entering and exiting the roller conveying line, and then realizes the free flow of the application on the production line.

[0087] In combination Figures 15-16 It can be known that the double-layer fixed conveying roller bed comprises a first mounting frame GD2.1, a lower conveying unit GD2.2 and an upper conveying unit GD2.3 arranged on the first mounting frame GD2.1, and the lower conveying unit GD2.2 and the upper conveying unit GD2.3 are double-row roller conveying structures which are the same as the second moving mechanism structure. Generally, the upper layer is used for conveying the tray with the plate, and the lower layer is used for the flow of the hole tray; in combination Figure 18 , the single-layer fixed conveying roller bed comprises a second mounting frame GD1.1 and a third conveying unit GD1.2 arranged on the second mounting frame, and the third conveying unit GD1.2 is a double-row roller conveying structure, which realizes the flow of the tray between different sections.

[0088] In combination Figures 18-19 It can be known that the lifting tray transfer roller bed comprises a third mounting frame LT1.1 and a fourth conveying unit LT1.2, a plurality of pairs of second lifting mechanisms LT1.3 for driving the fourth conveying unit LT1.2 to lift are arranged in the third mounting frame LT1.1, the second lifting mechanism LT1.3 is the same as the first lifting mechanism in structure, and the fourth conveying unit LT1.2 also adopts a double-row roller conveying structure to realize the stable conveying of the tray.

[0089] In actual installation, walking wheels and walking power can be installed on the third mounting frame LT1.1, so that the third mounting frame LT1.1 walks along the steel rail in the same direction as the fourth conveying unit, to realize the transfer of the tray, which will be described in detail in Figure 1 .

[0090] In actual installation, proximity switches can be installed at both ends of each single-layer fixed conveying roller bed and at both ends of each layer of the double-layer fixed conveying roller bed, to accurately obtain the position of the tray and realize accurate conveying.

[0091] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications can be made to the technical solutions described in the foregoing embodiments without paying creative labor, or equivalent replacements can be made to some of the technical features. Thus, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An RFID-based flexible sheet conveying system, characterized by: The plate conveying device comprises a single-layer fixed conveying roller bed, a double-layer fixed conveying roller bed, a three-dimensional tray transfer mechanism, a lifting tray transfer roller bed and a sliding plate tray for carrying plates, wherein the sliding plate tray is provided with an electronic tag, and a plurality of antennas and a plurality of tag readers are arranged in the workshop to read the information of the electronic tag. The three-dimensional tray transfer mechanism comprises a first moving mechanism walking along a steel rail, a plurality of pairs of first lifting mechanisms arranged on the first moving mechanism and a second moving mechanism driven to lift by the plurality of pairs of first lifting mechanisms, wherein the conveying direction of the second moving mechanism is perpendicular to the moving direction of the first moving mechanism. The first moving mechanism comprises a walking power source and a walking frame driven by the walking power source. The walking frame is a steel structure frame comprising a plurality of first walking beams and a second walking beam connecting the plurality of first walking beams together. The walking power source is mounted on the second walking beam. Each of the first walking beams is provided with a driving wheel and a walking wheel. The walking power source is in driving connection with the driving wheel of each first walking beam through a first transmission shaft. The second moving mechanism comprises a supporting frame for supporting the tray and a tray conveying mechanism arranged on the supporting frame. The supporting frame is fixedly connected to the lifting seat of the plurality of pairs of first lifting mechanisms. The sliding plate tray comprises a supporting frame and a supporting platform arranged in the supporting frame. The supporting frame and the supporting platform are detachably connected. The supporting platform is sequentially connected by a plurality of groups of supporting grids. Each group of supporting grids comprises a pair of end plates and a plurality of supporting racks fixedly connected between the two end plates. The plurality of supporting racks are arranged along the width direction of the supporting frame. The two end plates are respectively fixed on the two long sides of the top of the supporting frame. A plurality of partitions are arranged in the supporting frame along the width direction of the supporting frame. The supporting frame, the plurality of partitions and the plurality of groups of supporting grids form a plurality of smoke exhaust channels arranged along the width direction. Each side plate of the supporting frame in the width direction is provided with a guide head upwardly protruding.

2. The RFID-based flexible sheet transport system of claim 1, wherein: The first lifting mechanism comprises a lifting power source arranged vertically and a lifting frame covering the lifting power source. The power output end of the lifting power source is fixedly connected to the lifting seat, and the lifting seat is fixed to the bottom of the lifting frame. The lifting power source is any one of an electric cylinder, a gas cylinder, a hydraulic cylinder and a lead screw stepper motor. The first lifting mechanism further comprises a guide assembly comprising a pair of guide columns fixed vertically to the second walking beam. The two guide columns are located outside the lifting frame. The guide assembly further comprises two pairs of upper rollers matched with the guide columns one by one. Each guide column has a pair of adjacent guide surfaces. Each pair of upper rollers is in rolling cooperation with the guide surfaces of the guide column. The top of the two guide columns of each first lifting mechanism is connected by a first connecting rod. The first connecting rod of each pair of first lifting mechanisms is connected by a second connecting rod.

3. The RFID-based flexible sheet transport system of claim 1, wherein: The walking power source is a walking motor and a walking reducer fixed on the second walking beam, the walking reducer is a through-type reducer, and two ends of an output shaft of the walking reducer are in transmission connection with wheel shafts of the plurality of driving wheels through the first transmission shaft; The tray conveying mechanism comprises a conveying power source and two rows of conveying rollers symmetrically arranged on the supporting frame, two transmission gears are arranged on a roller shaft of each conveying roller, and a plurality of conveying rollers in each row of conveying rollers are connected with each other through a transmission chain wound on the transmission gears; The conveying power source comprises a conveying motor and a conveying reducer, at least one driving gear is arranged on an output shaft of the conveying reducer, at least one conveying roller in each row of conveying rollers is a driving roller, one transmission gear on the driving roller is in transmission connection with the driving gear through a driving chain, and the conveying rollers in the two rows of conveying rollers are in transmission connection through a second transmission shaft.

4. The RFID-based flexible sheet transport system of claim 3, wherein: The supporting frame is a steel structure frame, which comprises at least two first supporting beams parallel to the second walking beam and a plurality of second supporting beams connecting the at least two first supporting beams together, the first supporting beam comprises two supporting channel steels arranged back to back and a connecting channel steel connecting the two supporting channel steels together, the roller shaft of each conveying roller in each row of conveying rollers is in one-to-one rotation connection with the two supporting channel steels through a bearing seat, and the avoidance spaces between the two transmission gears on each roller shaft and the two supporting channel steels are opposite to each other.

5. The RFID-based flexible sheet transport system of claim 1, wherein: The supporting frame comprises a bottom frame, an upper frame arranged on the bottom frame through a plurality of first connecting steel pipes, the bottom frame comprises a lower long beam, a lower short beam, a bottom steel plate and a second connecting steel pipe connected together, the lower long beam and the lower short beam are connected together through the second connecting steel pipes arranged longitudinally and transversely; A refractory layer is arranged on the bottom steel plate, the refractory layer is paved by refractory bricks, the thickness of the refractory layer is 20mm-25mm, and a wear-resistant plate is arranged at the bottom of the bottom frame.

6. The RFID-based flexible sheet transport system of claim 5, wherein: The upper frame is sequentially connected together by an upper long beam and an upper short beam, the upper long beam and the lower long beam are connected together, the upper short beam and the lower short beam are connected together through the first connecting steel pipes, and a plurality of pairs of reinforcing angle steels are connected together at intervals between the two lower long beams, and the bottom steel plate is connected with the corresponding reinforcing angle steels.

7. The RFID-based flexible sheet transport system of claim 1, wherein: An upper part of the supporting frame is provided with a positioning structure, the positioning structure comprises a fixing plate arranged between adjacent supporting grilles and a plurality of positioning plates corresponding to the supporting grilles one by one, both end portions of the fixing plate are connected to two upper long beams of the supporting frame, each group of positioning plates is arranged along the length direction and connected to the fixing plate, and each positioning plate has a plurality of positioning slots corresponding to supporting splines of the supporting grilles.

8. The RFID-based flexible sheet transport system of claim 2, wherein: The double-layer fixed conveying roller bed comprises a first mounting frame, a lower conveying unit and an upper conveying unit arranged on the first mounting frame, the single-layer fixed conveying roller bed comprises a second mounting frame and a third conveying unit arranged on the second mounting frame, and the upper conveying unit, the lower conveying unit and the third conveying unit are the same as the tray conveying mechanism.

9. The RFID-based flexible sheet transport system of claim 1, wherein: The lifting type tray transfer roller bed comprises a third mounting frame and a fourth conveying unit, a plurality of pairs of second lifting mechanisms for driving the fourth conveying unit to lift are arranged in the third mounting frame, the second lifting mechanisms are the same in structure as the first lifting mechanisms, and the fourth conveying unit is the same in structure as the tray conveying mechanism.

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