Automatic feeding device for laser cutting machine

Abstract

The utility model discloses an automatic feeding device for a laser cutting machine, which relates to the field of laser cutting machines and comprises a workbench, a laser cutting machine body, a lifting plate, a mounting box and a conveying component, the laser cutting machine body is mounted on the workbench, and a conveying belt for conveying plates is arranged on the workbench. A pair of side plates is fixedly mounted on one side of the workbench, the lifting plate is slidably mounted between the pair of side plates, and the mounting box is movably mounted on the lifting plate, so that the problem that when an existing laser cutting machine is used, an object needing to be cut needs to be manually placed on a cutting part of the laser cutting machine, and the cutting efficiency is high is effectively solved. The technical problems that in the prior art, in the plate feeding process, some large-size plates are heavy, if manual feeding is conducted, the plates need to be lifted by multiple persons, feeding of the plates is not convenient, when the plates are machined after feeding is completed, the plates are not convenient to fix, the plates are prone to moving in the machining process, and the machining quality is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting machine field, concretely is a kind of automatic feeding device for laser cutting machine. BACKGROUND

[0002] Laser cutting is to make the material of workpiece irradiated by high-power density laser beam, make the material of workpiece irradiated melt, vaporize or reach ignition point, and then remove molten material by high-speed airflow coaxial with laser beam, so as to realize cutting workpiece, it is one of the hot cutting methods of cutting workpiece, and it is divided into four categories of laser vaporization cutting, laser melting cutting, laser oxygen cutting and laser scribing and control fracture.

[0003] However, the existing laser cutting machine needs to be placed in the cutting part of the laser cutting machine when using the object to be cut, and the weight of some large-size plates is heavy, so it needs to be lifted by multiple people when manually feeding, which is not convenient for feeding the plate, and it is not convenient to fix the plate when processing the plate after feeding, the plate is easy to move during processing, which affects the processing quality. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an automatic feeding device for laser cutting machine, which solves the technical problems proposed in the background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: an automatic feeding device for laser cutting machine, including workbench, laser cutting machine body, laser cutting machine body is installed on workbench, workbench is provided with conveying belt for conveying plate, still include lifting plate, installation box and the conveying assembly for driving installation box moves;

[0006] One side of the workbench is fixedly installed with a pair of side plates, the lifting plate is slidingly installed between the pair of side plates, the installation box is movably installed on the lifting plate, a pair of side plates are installed with lifting assembly for driving the lifting plate to lift at the bottom, the installation box is provided with compression assembly for fixing different sizes of plates.

[0007] Preferably, the lifting assembly includes a pair of connecting rods, a base is fixedly installed between the pair of side plates, a pair of threaded blocks are slidingly installed on the base, the pair of connecting rods are hinged to the pair of threaded blocks, the other ends of the pair of connecting rods are hinged to the lifting plate, and the base is installed with driving assembly for driving the pair of threaded blocks to move.

[0008] Preferably, the driving assembly comprises a first motor, the base is a U-shaped base, a fixed seat is fixedly installed at the center of the base, threaded rods are rotatably installed between the fixed seat and the side plates of the base, a pair of threaded blocks are screwed on the threaded rods, driven bevel gears are fixedly installed on the threaded rods close to the fixed seat, a driving bevel gear is rotatably installed on the fixed seat and engaged with the pair of driven bevel gears, and the first motor is installed on the fixed seat and fixedly connected with the driving bevel gear.

[0009] Preferably, a cavity is formed in the mounting box, a gear is rotatably installed in the cavity, upper and lower toothed plates engaged with the gear are movably installed in the mounting box, extension plates are fixedly installed on the upper and lower toothed plates, sliding openings are formed in the two side walls of the mounting box, the extension plates are slidably connected with the sliding openings, and the pressing assembly is installed on the extension plates.

[0010] Preferably, the pressing assembly comprises a pressing plate, fixed blocks are installed on the extension plates, one of the fixed blocks is rectangular, one of the fixed blocks is ladder-shaped, first air cylinders are fixedly installed on one side of the extension plates and the lower layer of the ladder-shaped fixed block, a pair of fixed plates are vertically installed on the ladder-shaped block and the other side of the extension plates, the pair of fixed plates are of the same height, hinged plates are hinged to the top of the fixed plates, hinged rods are hinged to the extension ends of the first air cylinders, and the other ends of the hinged rods are hinged to the hinged plates on the same side.

[0011] Preferably, the conveying assembly comprises a rotating roller, a roller groove is formed in the lifting plate, and a plurality of rotating rollers are rotatably installed in the roller groove.

[0012] Preferably, a pair of lifting seats are movably installed in the roller groove, the plurality of rotating rollers are rotatably installed between the pair of lifting seats, the plurality of rotating rollers are drivingly connected through a transmission structure, a pair of second air cylinders are fixedly installed at the bottom of the lifting plate, the extension ends of the pair of second air cylinders are fixedly connected with the pair of lifting seats, and a second motor for driving the transmission structure to drive is installed on one of the lifting seats.

[0013] Advantages

[0014] The utility model provides a kind of automatic feeding device for laser cutting machine, with following advantages:

[0015] 1. By installing the workbench, the board can be cut on the workbench, the workbench is provided with a conveyor belt for conveying the board, so as to convey the board to be cut to the cutting position, a pair of side plates are installed, a base can be installed between the pair of side plates, a pair of threaded blocks can be installed on the base, a driving assembly is provided, the driving assembly can drive the pair of threaded blocks to move, so as to drive the pair of connecting rods to swing, so as to drive the lifting plate to lift, the lifting plate can be installed on the lifting plate, the lifting plate can drive the installation box to lift, so as to drive the board to move, the board can be lifted to the height of the workbench, so as to facilitate feeding, the conveying assembly is installed, the installation box and the board can be conveyed to the workbench, and then the conveyor belt on the workbench can convey the board to the cutting position to cut the board, the mechanical structure can realize automatic feeding, manual feeding is not needed, and the work burden of workers is greatly reduced.

[0016] 2. By opening the cavity, the gear can be installed in the cavity, the gear is engaged with the upper tooth plate and the lower tooth plate, the gear rotates to drive the upper tooth plate and the lower tooth plate to move, so as to drive the extension plate to extend and retract, and drive the pressing assembly to move, so as to press and fix the boards of different sizes, thereby effectively avoiding the movement of the boards during feeding and processing, and ensuring the processing effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is Figure 1 A-A section view in the middle;

[0019] Figure 3 It is Figure 2 B is an enlarged schematic view.

[0020] In the drawing: 1, workbench; 2, laser cutting machine body; 3, side plate; 4, threaded rod; 5, driven bevel gear; 6, driving bevel gear; 7, first motor; 8, threaded block; 9, connecting rod; 10, lifting plate; 11, installation box; 12, gear; 13, upper tooth plate; 14, lower tooth plate; 15, fixed block; 16, fixed plate; 17, first air cylinder; 18, hinged plate; 19, pressing plate; 20, hinged rod; 21, roller groove; 22, rotating roller; 23, second motor; 24, second air cylinder; 25, lifting seat. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, wherein, the orientation of "up", "down" and the like mentioned in the present text takes the orientation of the drawing as the reference. Figure 2 ​

[0022] Please refer to Figures 1-3 The utility model provides a technical scheme: an automatic feeding device for laser cutting machine, including workbench 1, laser cutting machine body 2, laser cutting machine body 2 is installed on workbench 1, workbench 1 is provided with the conveyer belt for conveying board material, its characterized in that still includes lifting plate 10, installation box 11 and the conveying assembly for driving installation box 11 moves,

[0023] One side of workbench 1 is fixedly installed with a pair of side plates 3, lifting plate 10 is slidably installed between the pair of side plates 3, installation box 11 is movably installed on lifting plate 10, a pair of side plates 3 bottom is installed with the lifting assembly for driving lifting plate 10 to lift, installation box 11 is provided with the compression assembly for fixing the board material of different sizes.

[0024] Further, the lifting assembly includes a pair of connecting rods 9, a base is fixedly installed between the pair of side plates 3, a pair of threaded blocks 8 are slidably installed on the base, the pair of connecting rods 9 are hinged to the pair of threaded blocks 8, the other end of the pair of connecting rods 9 is hinged to lifting plate 10, and the base is provided with a driving assembly for driving the pair of threaded blocks 8 to move.

[0025] Further, the driving assembly includes a first motor 7, the base is a U-shaped base, a fixed seat is fixedly installed at the center of the base, threaded rods 4 are rotatably installed between the fixed seat and the side plates 3 of the base, the pair of threaded blocks 8 are screwed onto the pair of threaded rods 4, driven bevel gears 5 are fixedly installed on the threaded rods 4 near the fixed seat, a driving bevel gear 6 is rotatably installed on the fixed seat and engaged with the pair of driven bevel gears 5, the first motor 7 is installed on the fixed seat, and the driving end of the first motor 7 is fixedly connected with the driving bevel gear 6.

[0026] By installing the workbench 1, the plate can be cut on the workbench 1, and the workbench 1 is provided with a conveying belt for conveying the plate, so as to convey the plate to be cut to the cutting position, and a pair of side plates 3 is installed, and the base can be installed between the pair of side plates 3, and the threaded block 8 can be installed on the base, and the first motor 7 is installed, and the driving of the first motor 7 can drive the driving bevel gear 6 to rotate, and the driving bevel gear 6 is engaged with the driven bevel gear 5 to drive the driven bevel gear 5 to rotate, so as to drive the threaded rod 4 to rotate, thereby driving the pair of threaded blocks 8 to move, driving the pair of connecting rods 9 to swing, and driving the lifting plate 10 to lift, and the installation box 11 is installed on the lifting plate 10 by installing the lifting plate 10, and the lifting plate 10 lifts to drive the installation box 11 to lift, thereby driving the plate to move, and the plate can be lifted to the height of the workbench 1 for feeding, and the installation box 11 and the plate can be conveyed to the workbench 1 by installing the conveying assembly, and then the plate can be cut by conveying it to the cutting position on the conveying belt of the workbench 1, and the mechanical structure can realize automatic feeding without manual feeding, thereby greatly reducing the work burden of the workers.

[0027] Further, the installation box 11 is provided with a cavity, a gear 12 is rotatably installed in the cavity, and an upper tooth plate 13 and a lower tooth plate 14 engaged with the gear 12 are movably installed in the installation box 11, the upper tooth plate 13 and the lower tooth plate 14 are both fixedly installed with an extension plate, and the two side walls of the installation box 11 are both provided with a sliding opening, the extension plate is slidably connected with the sliding opening, and the pressing assembly is installed on the extension plate.

[0028] By providing the cavity, the gear 12 can be installed in the cavity, the gear 12 is engaged with the upper tooth plate 13 and the lower tooth plate 14, the rotation of the gear 12 can drive the upper tooth plate 13 and the lower tooth plate 14 to move, thereby driving the extension plate to extend and retract, and driving the pressing assembly to move, so as to press and fix the plates of different sizes.

[0029] Further, the pressing assembly comprises a pressing plate 19, the extension plate is provided with a fixed block 15, one fixed block 15 is rectangular, and one fixed block 15 is ladder-shaped, a first air cylinder is fixedly installed on one side of the extension plate and the lower layer of the ladder-shaped fixed block 15, a pair of fixed plates 16 are vertically installed on the upper layer of the ladder-shaped block and the other side of the extension plate, the pair of fixed plates 16 are consistent in height, a hinge plate 18 is hinged to the top of the fixed plate 16, a hinge rod 20 is hinged to the extension end of the pair of first air cylinders 17, the other end of the hinge rod 20 is hinged to the hinge plate 18 on the same side, and the pressing plate 19 is fixedly installed on the hinge plate 18.

[0030] Through installation of the rectangular fixed block 15 and the stepped fixed block 15, the plate can be supported, so that the plate is tightly fixed by the pressing plate 19, through installation of the first air cylinder 17, starting of the first air cylinder 17, extension of the first air cylinder 17, the articulated rod 20 can be swung to drive the articulated plate 18 to swing, so that the pressing plate 19 can be swung, and the plate can be tightly fixed.

[0031] Further, the conveying assembly comprises rotating rollers, the lifting plate 10 is provided with roller grooves 21, and the rotating rollers 22 are rotatably installed in the roller grooves 21.

[0032] Through the roller grooves 21, the rotating rollers 22 can be installed in the roller grooves 21, and the installation box 11 can be conveyed through installation of the rotating rollers 22, so as to be conveyed to the workbench 1.

[0033] Further, a pair of lifting seats 25 are movably installed in the roller grooves 21, the rotating rollers 22 are rotatably installed between the pair of lifting seats 25, the rotating rollers 22 are drivingly connected through transmission structures, a pair of second air cylinders 24 are fixedly installed at the bottom of the lifting plate 10, the extension ends of the pair of second air cylinders 24 are fixedly connected with the pair of lifting seats 25, and a second motor 23 for driving the transmission structure is installed on one of the lifting seats 25.

[0034] Through installation of the pair of lifting seats 25, the rotating rollers 22 can be rotatably installed between the pair of lifting seats 25, through installation of the pair of second air cylinders 24, starting of the pair of second air cylinders 24, and extension and retraction of the extension ends of the second air cylinders 24, the lifting seats 25 can be lifted and lowered to drive the rotating rollers 22 to lift and lower, through installation of the second motor 23, starting of the second motor 23 can drive the transmission structure to drive, the transmission structure comprises a sprocket and a transmission chain, and through transmission of the sprocket and the transmission chain, the rotating rollers 22 can be driven to rotate.

[0035] Through the person skilled in the art, all electrical components in the case are connected with the power supply through wires, and appropriate controllers should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should be completed according to the working principle of the electrical components, and the detailed connection method is a common technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0036] The working principle and use process of the utility model: in use, according to the size of the plate to be cut, can start drive motor and drive gear 12 rotation, through gear 12 and the upper tooth plate 13, lower tooth plate 14 meshing drive upper tooth plate 13, lower tooth plate 14 moves, to drive the compression assembly to move, until the position of the plate for the fixed, start first cylinder 17, first cylinder 17 telescopic end elongation drive articulated rod 20 swing to drive articulated plate 18 swing, to drive the press plate 19 swing to the position of the plate for placing, the plate to be cut is placed on the installation box 11, start first cylinder 17 again, make first cylinder 17 telescopic end contraction, drive press plate 19 and plate are tightly fixed, then start first motor 7 drive driving bevel gear 6 rotation, through driving bevel gear 6 and driven bevel gear 5 meshing can drive driven bevel gear 5 rotation, to drive a pair of threaded rods 4 rotation, to drive a pair of threaded block 8 moves, to drive a pair of connecting rods 9 swing, drive lifting plate 10 to rise, to drive installation box 11 and plate rise, until with the height of the conveyer belt on the workbench 1 is level, start second motor 23 drive transmission structure transmission to drive several rotating roller 22 rotation to installation box 11 and plate are transported, until the position of cutting.

[0037] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic feeding device for a laser cutting machine, comprising a worktable (1) and a laser cutting machine body (2), wherein the laser cutting machine body (2) is mounted on the worktable (1), and a conveyor belt for conveying sheet metal is provided on the worktable (1), characterized in that, It also includes a lifting plate (10), a mounting box (11), and a conveying assembly for moving the mounting box (11); A pair of side plates (3) are fixedly installed on one side of the workbench (1). The lifting plate (10) is slidably installed between the pair of side plates (3). The mounting box (11) is movably installed on the lifting plate (10). A lifting assembly for driving the lifting plate (10) to rise and fall is installed at the bottom of the pair of side plates (3). A clamping assembly for fixing plates of different sizes is provided on the mounting box (11).

2. The automatic feeding device for a laser cutting machine according to claim 1, characterized in that, The lifting assembly includes a pair of connecting rods (9), a base is fixedly installed between a pair of side plates (3), a pair of threaded blocks (8) are slidably installed on the base, the pair of connecting rods (9) are hinged to the pair of threaded blocks (8), and the other end of the pair of connecting rods (9) is hinged to the lifting plate (10). A driving assembly for driving the pair of threaded blocks (8) to move is installed on the base.

3. The automatic feeding device for a laser cutting machine according to claim 2, characterized in that, The drive assembly includes a first motor (7), the base is a U-shaped base, a fixed seat is fixedly installed at the center of the base, threaded rods (4) are rotatably installed between the fixed seat and the base side plate (3), a pair of threaded blocks (8) are screwed onto the pair of threaded rods (4), a driven bevel gear (5) is fixedly installed on the threaded rod (4) near the fixed seat, and a driving bevel gear (6) that meshes with the pair of driven bevel gears (5) is rotatably installed on the fixed seat, the first motor (7) is installed on the fixed seat, and the drive end of the first motor (7) is fixedly connected to the driving bevel gear (6).

4. The automatic feeding device for a laser cutting machine according to claim 1, characterized in that, The mounting box (11) has a cavity, in which a gear (12) is rotatably mounted. An upper gear plate (13) and a lower gear plate (14) that mesh with the gear (12) are movably mounted in the mounting box (11). An extension plate is fixedly mounted on both the upper gear plate (13) and the lower gear plate (14). Sliding openings are respectively opened on the two side walls of the mounting box (11). The extension plate is slidably connected to the sliding opening. The clamping assembly is mounted on the extension plate.

5. The automatic feeding device for a laser cutting machine according to claim 4, characterized in that, The clamping assembly includes a pressure plate (19), and a fixing block (15) is installed on the extension plate. One of the fixing blocks (15) is rectangular, and the other of the fixing blocks (15) is stepped. A first cylinder is fixedly installed on the extension plate on one side and on the lower layer of the stepped fixing block (15). A pair of fixing plates (16) are vertically installed on the stepped fixing block (15) and on the extension plate on the other side. The pair of fixing plates (16) are at the same height. A hinge plate (18) is hinged to the top of each fixing plate (16). A hinge rod (20) is hinged to the telescopic end of each pair of first cylinders (17). The other end of the hinge rod (20) is hinged to the hinge plate (18) on the same side. The pressure plate (19) is fixedly installed on the hinge plate (18).

6. The automatic feeding device for a laser cutting machine according to claim 1, characterized in that, The conveying assembly includes a rotating roller, and a roller groove (21) is provided in the lifting plate (10), with a plurality of rotating rollers (22) rotatably installed in the roller groove (21).

7. The automatic feeding device for a laser cutting machine according to claim 6, characterized in that, A pair of lifting seats (25) are movably installed in the roller groove (21). Several rotating rollers (22) are rotatably installed between the pair of lifting seats (25). The several rotating rollers (22) are connected by a transmission structure. A pair of second cylinders (24) are fixedly installed at the bottom of the lifting plate (10). The telescopic ends of the pair of second cylinders (24) are fixedly connected to the pair of lifting seats (25). A second motor (23) for driving the transmission structure is installed on one of the lifting seats (25).

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