A laser cutting raw material intelligent conveying system and its use method

Abstract

The present invention provides an intelligent conveying system for raw materials for laser cutting and a method for using the same, and relates to the technical field of laser cutting material transportation. The system includes a movable workbench, a transport channel, a raw material warehouse, laser cutting equipment, and a sorting center; the transport channel includes a loading channel, a unloading channel, and a sorting channel, which are used to transport a number of movable workbenches between the raw material warehouse, the laser cutting equipment, and the sorting center. The materials to be cut are extracted from the raw material warehouse and placed on the movable workbench; the movable workbench with the materials to be cut is transported in an orderly manner to the laser cutting equipment for laser cutting; after the processing is completed, the movable workbench is transported to the sorting center for sorting. The present invention integrates a workbench with a load-bearing and supporting function and a conveying device with a conveying function into a movable workbench, so that the movable workbench can be used as a workbench for laser cutting and a conveying system for raw material transportation at the same time, with a compact structure and high site utilization.

Description

Technical Field

[0001] The present invention relates to the technical field of laser cutting material transportation, and in particular to an intelligent transportation system for laser cutting raw materials and a method of using the system. Background Art

[0002] Laser cutting machine is to focus the laser emitted from the laser into a high-power density laser beam through the optical path system. When the laser beam is irradiated to the surface of the workpiece, a large amount of energy is released to make the workpiece reach the melting point or boiling point, so that it can be quickly melted, vaporized, ablated or reach the ignition point. At the same time, the molten or vaporized metal is blown away with the help of high-pressure gas coaxial with the beam to achieve the purpose of cutting or engraving. Because the laser cutting machine has high precision and fast cutting speed, and is not limited to cutting pattern restrictions, automatic typesetting saves materials, high cutting precision, fast cutting speed, smooth cutting surface, low processing cost, not easy to damage the workpiece, especially reducing the cost of subsequent process treatment, the advantages are particularly obvious in large-scale production. Therefore, in recent years, it has been recognized and used by more and more industries and enterprises, and there is a trend of gradually improving or replacing traditional metal cutting process equipment.

[0003] A Chinese invention patent with announcement number CN112192049A discloses a thick plate material laser cutting production line, including a three-dimensional plate material warehouse, a front discharge trolley, a laser processing material area and a roller sorting table arranged in sequence from front to back, one end of the laser processing material area is connected to a laser cutting machine; the laser processing material area includes a cutting workbench that can move toward the laser cutting machine; a frame is provided on the outside of the front discharge trolley, the laser processing material area and the roller sorting table, two mutually symmetrical upper guide rails are longitudinally provided on the top of the frame, a moving beam is provided between the two upper guide rails, a Z rod is provided on the front of the moving beam, and a loading and unloading robot is provided at the bottom of the Z rod.

[0004] In today's laser cutting workshops, laser cutting is usually carried out on a fixed workbench, which is not convenient for the transportation, loading and unloading of raw materials, nor is it conducive to the matching use with other equipment in the workshop. The turnover of raw materials and cut plates is inconvenient; the equipment occupies a large area and the utilization rate is very low. Summary of the invention

[0005] In view of the defects in the prior art, the first object of the present invention is to provide an intelligent conveying system for raw materials for laser cutting. The first object of the present invention is achieved through the following technical scheme: an intelligent conveying system for raw materials for laser cutting, comprising a plurality of moving workbenches, a plurality of transport channels, a raw material warehouse, a laser cutting device, and a sorting center; the moving workbench comprises a table body;

[0006] The plurality of movable workbenches are used for placing raw materials on their upper surfaces and serving as laser cutting workbenches in the laser cutting equipment; the plurality of transport channels are used for transporting the plurality of movable workbenches between the raw material warehouse, the laser cutting equipment and the sorting center.

[0007] Through the above technical solution, the system extracts the materials to be cut from the raw material warehouse and places them on the movable workbench; the movable workbench with the materials to be cut is transported to the laser cutting equipment in an orderly manner for laser cutting; after processing, the movable workbench is transported to the sorting center for sorting. The workbench with load-bearing support function and the conveying device with conveying function are integrated into the movable workbench, so that the movable workbench can be used as both a laser cutting workbench and a conveying system for raw material transportation, with a compact structure and high site utilization.

[0008] Preferably, the platform includes a rectangular frame, support rods arranged along the length direction of the frame, and a plurality of support bars arranged along the width direction of the frame; the plurality of support bars are fixed on the frame and the support rods and are evenly distributed along the length direction of the frame.

[0009] Through the above technical solution, the table body provides a workbench with load-bearing and supporting functions, and can become a workbench for laser cutting.

[0010] Preferably, the movable workbench further comprises a limiting device; the limiting device is used to keep the movable workbench in a stable state in the laser cutting equipment.

[0011] Preferably, the limiting device includes a plurality of positioning posts and a plurality of positioning slots; the positioning posts are located on two mutually distant side surfaces in the length direction of the frame and extend along the length direction of the frame; the positioning slots are located on both sides in the width direction of the frame;

[0012] The laser cutting equipment includes a shell, a laser cutting component, a fixing frame, and a lifting frame. The laser cutting component, the fixing frame, and the lifting frame are located inside the shell, and the fixing frame and the lifting frame are located below the laser cutting component. Positioning fixtures that match the positioning grooves are arranged on two opposite inner sides in the width direction of the shell, and a positioning slot that matches the positioning column is arranged at one end or both ends of the lifting frame.

[0013] Preferably, the height of the upper surface of the fixed frame is the first height, and the lifting height of the lifting frame includes a first height, a second height, and a third height; the distances between the first height, the second height, the third height and the laser cutting component decrease successively; the shell is provided with an inlet and an outlet at both ends along the length direction of the fixed frame.

[0014] Preferably, the height of the positioning fixture and the positioning slot is a third height and can be telescopically moved toward or away from the positioning slot.

[0015] Preferably, the plurality of transport channels include a loading channel, a unloading channel, and a sorting channel;

[0016] The loading channel includes a pre-loading device, a loading track, and a movable loading rack, and the unloading channel includes a unloading track and a movable unloading rack; the loading track and the unloading track are arranged along the width direction of the laser cutting equipment, the movable loading rack translates along the setting direction of the loading track between the feeding ports of several laser cutting equipment, and the movable unloading rack translates along the setting direction of the unloading track between the discharging ports of several laser cutting equipment; the heights of the pre-loading device, the movable loading rack, the movable unloading rack, and the sorting channel include a first height and / or a second height.

[0017] Preferably, the movable workbench further comprises a positioning device; the positioning device is used to determine the position of the corresponding movable workbench in the system.

[0018] Preferably, the positioning device includes a GPS locator and a signal transmitter.

[0019] Through the above technical solution, it is determined whether the laser cutting equipment on the path from the movable workbench to the laser cutting equipment is performing laser cutting operations; if there is a laser cutting equipment performing laser cutting operations, it is transported through the first height, otherwise it can be transported through the first height or the second height.

[0020] After the movable workbench is moved into the corresponding laser cutting equipment, it is raised to the third height by the lifting frame. The positioning fixture cooperates with the positioning groove, and the positioning card groove cooperates with the positioning column, so that the movable workbench is in a stable state in the laser cutting equipment and the laser cutting operation is performed.

[0021] After the laser cutting is completed, it is determined whether the laser cutting equipment on the path from the laser cutting equipment to the sorting center is performing laser cutting operations; if there is a laser cutting equipment that is performing laser cutting operations, it is transported through the first height, otherwise it can be transported through the first height or the second height, and the parts are sorted after arriving at the sorting center.

[0022] The second object of the present invention is to provide a method for using a laser cutting raw material intelligent conveying system. The second object of the present invention is achieved through the following technical solution: A method for using a laser cutting raw material intelligent conveying system comprises the following steps:

[0023] A. Take the material to be cut from the raw material warehouse and place it on the moving workbench;

[0024] B. Transport the moving workbench with the materials to be cut to the laser cutting equipment in an orderly manner for laser cutting;

[0025] C. After processing, the workbench is moved and transported to the sorting center for sorting.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] (1) The laser cutting raw material intelligent conveying system of the present invention is provided with a moving workbench, a transport channel, a raw material warehouse, a laser cutting device, and a sorting center; the transport channel includes a loading channel, a unloading channel, and a sorting channel, which are used to transport a plurality of the moving workbench between the raw material warehouse, the laser cutting device, and the sorting center; the workbench with a bearing support function and the conveying device with a conveying function are integrated into the moving workbench, so that the moving workbench can be used as a laser cutting workbench and a conveying system for conveying raw materials at the same time, with a compact structure and high site utilization rate;

[0028] (2) The movable workbench of the present invention is provided with a table body, a limit device for making the movable workbench in a stable state in the laser cutting equipment, and a positioning device for determining the position of the corresponding movable workbench in the system; in conjunction with the laser cutting equipment with triple functional heights, the whole process from the laser cutting production plan to the final completion is realized with automatic control;

[0029] (3) The method for using the intelligent conveying system for raw materials for laser cutting of the present invention comprises the following steps: extracting materials to be cut from a raw material warehouse and placing them on a movable workbench; orderly conveying the movable workbench on which the materials to be cut are placed to a laser cutting device for laser cutting; after the processing is completed, the movable workbench is conveyed to a sorting center for sorting. In this method, the system structure is compact and the site utilization rate is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the three-dimensional structure of the intelligent conveying system for laser cutting raw materials according to Example 1 of the present invention;

[0031] Figure 2 for Figure 1 An enlarged schematic diagram of part A;

[0032] Figure 3 for Figure 1 An enlarged schematic diagram of part B;

[0033] Figure 4 This is a flow chart of a method for using the intelligent conveying system for laser cutting raw materials according to Embodiment 2 of the present invention;

[0034] Figure numerals: 1. movable workbench; 11. table body; 111. frame; 112. support rod; 113. support bar; 121. positioning column; 122. positioning slot; 2. raw material warehouse; 3. laser cutting equipment; 31. shell; 311. feed port; 312. discharge port; 32. laser cutting assembly; 33. fixing frame; 34. lifting frame; 35. positioning fixture; 36. positioning slot; 4. sorting center; 51. loading channel; 511. pre-loading device; 512. loading track; 513. movable loading rack; 52. unloading channel; 521. unloading track; 522. movable unloading rack; 53. sorting channel; 6. extract the materials to be cut from the raw material warehouse and place them on the movable workbench; 7. transport the movable workbench with the materials to be cut to the laser cutting equipment in an orderly manner for laser cutting; 8. after processing, transport the movable workbench to the sorting center for sorting. DETAILED DESCRIPTION

[0035] The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. In the following description, in order to clearly show the structure and working mode of the present invention, it will be described with the help of many directional words, but the words "front", "back", "left", "right", "outside", "inside", "outward", "inward", "up", "down" and the like should be understood as convenient terms and should not be understood as restrictive terms. The "far" and "near" in the "far section", "distal end", "near section" and "near end" herein are relative to the position of the operator, that is, "near" is close to the operator and "far" is far away from the operator.

[0036] For those skilled in the art, without departing from the concept of the present invention, several changes and improvements can be made, which all belong to the protection scope of the present invention. The endpoints and any values ​​of the ranges disclosed herein are not limited to the precise ranges or values, and these ranges or values ​​should be understood to include values ​​close to these ranges or values. For numerical ranges, the endpoint values ​​of each range, the endpoint values ​​of each range and the individual point values, and the individual point values ​​can be combined with each other to obtain one or more new numerical ranges, and these numerical ranges should be regarded as specifically disclosed in this article. The present invention is described in detail below in conjunction with specific embodiments:

[0037] Embodiment 1:

[0038] like Figure 1 As shown, this embodiment relates to an intelligent conveying system for laser cutting raw materials, including a plurality of moving workbenches 1, a plurality of transport channels and a raw material warehouse 2, a laser cutting device 3, and a sorting center 4.

[0039] like Figure 2As shown, the movable workbench 1 includes a platform body 11, a limit device, and a positioning device (not shown in the figure), and the positioning device includes a GPS locator and a signal transmitter, which is used to determine the position of the corresponding movable workbench 1 in the system. The platform body 11 includes a rectangular frame 111, a support rod 112 arranged in the middle of the frame 111 along the length direction of the frame 111, and a plurality of support bars 113 arranged above the frame 111 along the width direction of the frame 111; the support bars 113 are fixedly connected to the frame 111 and the support rod 112 and are evenly distributed along the length direction of the frame 111.

[0040] The limiting device includes a positioning column 121 and a positioning groove 122; two positioning columns 121 are respectively arranged on two mutually distant sides of the frame 111 in the length direction, and the positioning columns 121 extend in the direction away from the frame 111 along the length direction of the frame 111; 18 positioning grooves 122 are evenly distributed on both sides in the width direction of the frame 111. The positioning column 121 is a quadrangular prism, and its cross-sectional area away from the frame 111 is smaller than the cross-sectional area close to the frame 111.

[0041] like Figure 3 As shown, the laser cutting equipment 3 includes a shell 31, a laser cutting component 32, a fixed frame 33, a lifting frame 34, a positioning fixture 35, and a positioning slot 36. The laser cutting component 32, the fixed frame 33, the lifting frame 34, the positioning fixture 35, and the positioning slot 36 are located in the shell 31, and the fixed frame 33 and the lifting frame 34 are located below the laser cutting component 32.

[0042] The height of the upper surface of the fixed frame 33 is the first height, and the lifting height of the lifting frame 34 includes a height slightly lower than the first height, a second height, and a third height; the distances between the first height, the second height, the third height and the laser cutting assembly 32 decrease successively; the outer shell 31 is provided with an inlet 311 and an outlet 312 at both ends along the length direction of the fixed frame 33.

[0043] The positioning fixture 35 and the positioning slot 36 are arranged at the third height of the two opposite inner sides in the width direction of the housing 31. The positioning fixture 35 can be telescopically moved in the direction of approaching or moving away from the positioning slot 122 to be plugged and matched with the positioning slot 122. The positioning slot 36 matched with the positioning column 121 can be arranged at one end or both ends of the lifting frame 34. In this embodiment, it is arranged at the end close to the sorting center 4. The positioning slot 36 includes two card blocks. The two blocks are arranged in a direction of approaching each other from one end close to the frame 111 to the end away from the frame 111. In the clamping state, the two sides away from the two positioning columns 121 are respectively abutted. It is used to make the moving workbench 1 in the laser cutting equipment 3 in a stable state.

[0044] The transport channel includes a loading channel 51, a unloading channel 52, and a sorting channel 53; the loading channel 51 includes a pre-loading device 511, a loading track 512, and a moving loading rack 513, and the unloading channel 52 includes a unloading track 521 and a moving unloading rack 522; the loading track 512 and the unloading track 521 are arranged along the width direction of the laser cutting device 3, the moving loading rack 513 moves in translation between the feed ports 311 of the plurality of laser cutting devices 3 along the direction in which the loading track 512 is arranged, and the moving unloading rack 522 moves in translation between the discharge ports 312 of the plurality of laser cutting devices 3 along the direction in which the unloading track 521 is arranged. The heights of the pre-loading device 511, the moving loading rack 513, the moving unloading rack 522, and the sorting channel 53 include a first height and / or a second height.

[0045] Specifically in this embodiment, the pre-loading device 511 has a component that can be raised and lowered between a first height and a second height, the two movable loading racks 513 are respectively at the first height and the second height, and the movable unloading rack 522 is at the first height. In a more preferred embodiment, it is also feasible to provide both the movable loading rack 513 and the movable unloading rack 522 with a component that can be raised and lowered between a first height and a second height.

[0046] The movable workbench 1 is used to place raw materials on its upper surface and serve as a laser cutting workbench in the laser cutting equipment 3; the transportation channel is used to transport a plurality of the movable workbench 1 between the raw material warehouse 2, the laser cutting equipment 3, and the sorting center 4. The system extracts the materials to be cut from the raw material warehouse 2 and places them on the movable workbench 1; the movable workbench 1 with the materials to be cut is transported in an orderly manner to the laser cutting equipment 3 for laser cutting; after the processing is completed, the movable workbench 1 is transported to the sorting center 4 for sorting. The workbench with a bearing and supporting function and the conveying device with a conveying function are integrated into the movable workbench 1, so that the movable workbench 1 can be used as a laser cutting workbench and a conveying system for raw material transportation at the same time, with a compact structure and high site utilization.

[0047] Embodiment 2:

[0048] like Figure 4 As shown, this embodiment relates to a method for using a laser cutting raw material intelligent conveying system in Embodiment 1, comprising the following steps:

[0049] Step A, extract the material to be cut from the raw material warehouse 2 and place it on the movable workbench 1; determine whether the laser cutting equipment 3 on the path from the movable workbench 1 to the laser cutting equipment 3 is performing laser cutting operation; if there is a laser cutting equipment 3 performing laser cutting operation, transport it through the first height, otherwise, transport it through either the first height or the second height.

[0050] Step B, transport the movable workbench 1 with the material to be cut to the laser cutting equipment 3 in an orderly manner for laser cutting; after the movable workbench 1 is moved into the corresponding laser cutting equipment 3, it is raised to the third height by the lifting frame 34, and the positioning fixture 35 cooperates with the positioning groove 122, and the positioning card groove 36 cooperates with the positioning column 121, so that the movable workbench 1 is in a stable state in the laser cutting equipment 3 and the laser cutting operation is performed.

[0051] Step C: After the processing is completed, the moving workbench 1 is transported to the sorting center 4 for sorting. After the laser cutting is completed, it is determined whether the laser cutting device 3 on the path from the laser cutting device 3 to the sorting center 4 is performing a laser cutting operation; if there is a laser cutting device 3 performing a laser cutting operation, it is transported through the first height, otherwise it can be transported through the first height or the second height, and the parts are sorted after arriving at the sorting center 4.

[0052] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. An intelligent conveying system for laser cutting raw materials, characterized in that: It comprises a plurality of movable workbenches (1), a plurality of transport channels and a raw material warehouse (2), a laser cutting device (3), and a sorting center (4); the movable workbench (1) comprises a table body (11); The plurality of movable workbenches (1) are used to place raw materials on their upper surfaces and serve as laser cutting workbenches in the laser cutting equipment (3); the plurality of transport channels are used to transport the plurality of movable workbenches (1) between the raw material warehouse (2), the laser cutting equipment (3), and the sorting center (4); The plurality of transport channels include a loading channel (51), a unloading channel (52), and a sorting channel (53); The loading channel (51) comprises a pre-loading device (511), a loading track (512), and a movable loading rack (513); the unloading channel (52) comprises a unloading track (521) and a movable unloading rack (522); the loading track (512) and the unloading track (521) are arranged along the width direction of the laser cutting equipment (3); the movable loading rack (513) moves in translation between the feed ports (311) of a plurality of laser cutting equipment (3) along the direction in which the loading track (512) is arranged; the movable unloading rack (522) moves in translation between the discharge ports (312) of a plurality of laser cutting equipment (3) along the direction in which the unloading track (521) is arranged; the heights of the pre-loading device (511), the movable loading rack (513), the movable unloading rack (522), and the sorting channel (53) include a first height and / or a second height.

2. The laser cutting raw material intelligent conveying system according to claim 1 is characterized in that: The platform (11) comprises a rectangular frame (111), a support rod (112) arranged along the length direction of the frame (111), and a plurality of support bars (113) arranged along the width direction of the frame (111); the plurality of support bars (113) are fixedly arranged above the frame (111) and the support rod (112) and are evenly distributed along the length direction of the frame (111).

3. The laser cutting raw material intelligent conveying system according to claim 1 is characterized in that: The movable workbench (1) further comprises a limiting device; the limiting device is used to keep the movable workbench (1) in a stable state in the laser cutting equipment (3).

4. The laser cutting raw material intelligent conveying system according to claim 3 is characterized in that: The limiting device comprises a plurality of positioning posts (121) and a plurality of positioning grooves (122); the positioning posts (121) are located on two mutually distant side surfaces of the frame (111) in the length direction and extend along the length direction of the frame (111); the positioning grooves (122) are located on both sides of the frame (111) in the width direction; The laser cutting device (3) comprises a housing (31), a laser cutting assembly (32), a fixing frame (33), and a lifting frame (34); the laser cutting assembly (32), the fixing frame (33), and the lifting frame (34) are located inside the housing (31); the fixing frame (33) and the lifting frame (34) are located below the laser cutting assembly (32); positioning fixtures (35) matching with the positioning groove (122) are arranged on two opposite inner sides in the width direction of the housing (31); and a positioning slot (36) matching with the positioning column (121) is arranged at one end or both ends of the lifting frame (34).

5. The laser cutting raw material intelligent conveying system according to claim 4 is characterized in that: The height of the upper surface of the fixing frame (33) is a first height, and the lifting height of the lifting frame (34) includes a first height, a second height, and a third height; the distances between the first height, the second height, and the third height and the laser cutting assembly (32) decrease in sequence; and the housing (31) is provided with a material inlet (311) and a material outlet (312) at both ends along the length direction of the fixing frame (33), respectively.

6. The laser cutting raw material intelligent conveying system according to claim 5 is characterized in that: The height of the positioning fixture (35) and the positioning slot (36) is a third height and can telescopically move in a direction approaching or away from the positioning slot (122).

7. The laser cutting raw material intelligent conveying system according to claim 1 is characterized in that: The movable workbench (1) further comprises a positioning device; the positioning device is used to determine the position of the corresponding movable workbench (1) in the system.

8. The laser cutting raw material intelligent conveying system according to claim 7 is characterized in that: The positioning device includes a GPS locator and a signal transmitter.

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