Automatic feeding device of laser cutting machine

Abstract

The utility model provides an automatic feeding device of a laser cutting machine. The automatic feeding device comprises a frame body, and supporting strips which are evenly distributed are arranged on the frame body; the laser cutting device comprises a portal frame slidably mounted on the frame body and a laser head movably mounted on the portal frame; the feeding device comprises a supporting frame installed on the frame body in a sliding mode and a limiting base installed on the frame body in a lifting mode. The limiting seats are L-shaped, are connected with the frame body through air cylinders and are positioned between the two corresponding supporting strips; roll shafts which are uniformly distributed are arranged on the support frame; the conveying direction of the roller shafts is parallel to the sliding direction of the supporting frame. The support frame capable of relatively sliding is arranged on the frame body, so that plates can be directly placed on the support frame through hoisting equipment; the end part of the plate can be directly positioned in the approaching process of the support frame in cooperation with a limiting seat which is mounted on the frame body in a lifting manner; on the contrary, the supporting frame is operated to move in the direction away from the limiting base, and the plates can be automatically placed in the designated area of the frame body in cooperation with rotating conveying of the roller shafts.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of laser cutting machines, in particular to an automatic feeding device of a laser cutting machine. BACKGROUND

[0002] A laser cutting machine is used for emitting laser from a laser emitter, focusing into a high-power density laser beam through an optical path system, irradiating the laser beam to a workpiece surface, so that the workpiece reaches a melting point or a boiling point, and a high-pressure gas coaxial with the optical path system blows away the melted or vaporized metal; with the movement of the relative position of the optical path and the workpiece, the material is finally formed into a cutting seam, so as to achieve the purpose of cutting; the laser cutting processing uses invisible light beams instead of traditional mechanical knives, has the characteristics of high precision, fast cutting, no limitation on cutting patterns, automatic layout to save materials, smooth cutting, low processing cost and the like, and will gradually improve or replace the traditional metal cutting process equipment.

[0003] The existing laser cutting machine needs to be manually fed by the staff during use, and the plate is placed in the specified area. Since the weight of the plate is large, a large amount of manpower needs to be invested in the positioning and carrying process; therefore, the above problems need to be solved. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide an automatic feeding device of a laser cutting machine.

[0005] The application provides an automatic feeding device of a laser cutting machine, which comprises

[0006] A frame body is provided with uniformly arranged support strips for supporting the plate.

[0007] A laser cutting device comprises a gantry slidingly installed on the frame body and a laser head movably installed on the gantry.

[0008] A feeding device comprises a support frame slidingly installed on the frame body and a limiting seat liftingly installed on the frame body.

[0009] The limiting seat is L-shaped, connected with the frame body through a cylinder, located between the two support strips, and the included angle opening is directed to the support frame side.

[0010] The support frame is provided with uniformly arranged roller shafts for supporting and conveying the plate.

[0011] The conveying direction of the roller shaft is parallel to the sliding direction of the support frame.

[0012] Further,

[0013] Two ends of the roller shaft are respectively provided with extension parts for rotationally connecting with the support frame;

[0014] The diameter of the extension part is relatively smaller than the diameter of the roller shaft, and a chain wheel is installed on the extension part;

[0015] The two coaxial chain wheels are respectively connected with the front and rear chain wheels through chains, forming a synchronous transmission structure.

[0016] Further,

[0017] The support frame is further provided with a first motor;

[0018] The first motor is fixedly installed on the support frame and connected with the corresponding chain wheel through the chain.

[0019] Further,

[0020] The support frame is further provided with a guide seat at one end close to the limiting seat;

[0021] The guide seat has a cross section in the shape of a right triangle, with a straight side fixedly installed on the support frame and an oblique side upward for guiding and conveying the end of the plate.

[0022] Further,

[0023] Both sides of the frame body are respectively provided with guide rails along the sliding direction of the gantry frame;

[0024] The gantry frame is provided with matching first sliding blocks corresponding to the guide rails;

[0025] The bottom of the support frame is provided with matching second sliding blocks corresponding to the guide rails.

[0026] Further,

[0027] The frame body is further provided with a lead screw corresponding to the gantry frame;

[0028] The lead screw is embeddedly installed on the frame body through a first installation slot and driven by a second motor;

[0029] The gantry frame is provided with a butt joint part corresponding to the lead screw, and the lead screw is threadedly connected with the butt joint part.

[0030] Further,

[0031] The frame body is further provided with a rack corresponding to the support frame;

[0032] The rack is embeddedly installed on the frame body through a second installation slot;

[0033] The support frame is provided with a third motor corresponding to the rack;

[0034] The third motor is fixedly installed on the support frame, and an output end is provided with a matching driving tooth corresponding to the rack.

[0035] The application has the advantages and positive effects that:

[0036] The application provides an automatic feeding device of a laser cutting machine, which comprises a frame body, a laser cutting device slidably installed on the frame body, a support frame slidably installed on the frame body, and a limiting seat liftable installed on the frame body, the limiting seat is L-shaped and is used for positioning a plate, and a plurality of roller shafts for conveying the plate are arranged on the support frame; in use, the plate can be placed on the support frame by a lifting device, the plate is conveyed by the roller shafts on the support frame, and the end of the plate is positioned by the liftable limiting seat, then the support frame is driven to move away from the limiting seat along the frame body until the plate falls from the support frame to the frame body, the limiting seat is driven to fall back so that the end of the plate also falls on the frame body, and then the plate is cut by the laser cutting device; the plate can be automatically placed on the frame body, and manual feeding of workers is avoided, time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS

[0037] Fig. 1 The application provides a structure schematic diagram of an automatic feeding device of a laser cutting machine;

[0038] Fig. 2 The application provides a structure schematic diagram of a top view of an automatic feeding device of a laser cutting machine.

[0039] The text annotations in the drawings represent: 100-frame body; 110-supporting strip; 120-guide rail; 130-screw rod; 131-second motor; 140-rack; 200-gantry frame; 210-laser head; 300-support frame; 310-limiting seat; 311-cylinder; 320-roller shaft; 321-chain wheel; 322-chain; 330-first motor; 340-guiding seat; 360-third motor; 361-driving tooth. DETAILED DESCRIPTION

[0040] In order to enable a person skilled in the art to better understand the technical solutions of the application, the application is described in detail below with reference to the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the application.

[0041] Please refer to Figs. 1-2The embodiment provides an automatic feeding device of a laser cutting machine, which comprises a frame body 100, uniformly arranged support strips 110 arranged on the frame body 100 and used for supporting a plate; a laser cutting device, the laser cutting device comprising a gantry 200 slidingly installed on the frame body 100 and a laser head 210 movably installed on the gantry 200; a feeding device, the feeding device comprising a support frame 300 slidingly installed on the frame body 100 and a limiting seat 310 liftingly installed on the frame body 100; the limiting seat 310 is in an L shape, is connected with the frame body 100 through a cylinder 311 and is located between the two support strips 110, the included angle opening of the limiting seat 310 faces the support frame 300 side; the support frame 300 is provided with uniformly arranged roller shafts 320 used for supporting and conveying the plate; and the conveying direction of the roller shafts 320 is parallel to the sliding direction of the support frame 300.

[0042] In the embodiment, the frame body 100 is in a rectangular structure, comprises two main beams extending along the length direction and parallel to each other and two cross beams connected between the two main beams; and the connecting positions of the main beams and the cross beams are further provided with support legs respectively.

[0043] In the embodiment, the arrangement direction of the support strips 110 is parallel to the extension direction of the main beams, and both ends of the support strips 110 are installed on the corresponding main beams respectively; the upper part of the support strip 110 is in a zigzag shape, which is used for reducing the contact area with the plate, so that the cut part can directly fall down.

[0044] In the embodiment, the gantry 200 is crossly installed between the two main beams and is slidingly connected with the main beams, and the sliding direction is parallel to the extension direction of the main beams; the laser head 210 is slidingly installed on the cross beam of the gantry 200, the sliding direction of the laser head 210 is parallel to the extension direction of the cross beam, and the laser head 210 can also relatively ascend and descend with the cross beam, so that a three-axis driving structure is formed.

[0045] In the embodiment, the support frame 300 is also crossly installed between the two main beams and can slide relative to the main beams, and the sliding direction is parallel to the sliding direction of the gantry 200; meanwhile, the support frame 300 is further provided with uniformly arranged roller shafts 320, so that a support platform is formed, which can not only support the plate but also convey the plate through rotation.

[0046] In the embodiment, the roller shafts 320 are parallel to each other, and the arrangement direction is parallel to the sliding direction of the support frame 300.

[0047] In the embodiment, the limiting seat 310 is L-shaped and located on the side of the portal frame 200 away from the support frame 300; the support plate is arranged below the limiting seat 310 on the frame body 100; the support plate and the limiting seat 310 are connected through the air cylinder 311, so that the limiting seat 310 can be lifted; the limiting seat 310 includes a horizontal plate and a vertical plate; in the initial state, the limiting seat 310 is placed below the frame body 100; when positioning is needed, the limiting seat 310 is lifted by the air cylinder and placed above the frame body 100; the vertical plate limits the end of the plate, and the horizontal plate supports the end of the plate; when the support frame 300 returns and the other end of the plate falls onto the frame body 100, the limiting seat 310 is driven to fall back by the air cylinder, so that the plate is placed on the frame body 100, and automatic placement of the plate is realized.

[0048] Further, the feeding device includes a plurality of limiting seats 310, each limiting seat 310 is arranged between any two support strips 110 or between the support strip 100 and the cross beam; any limiting seat 310 can be selected to be lifted according to needs, so that the plate is placed in a specified area of the frame body 100.

[0049] In a preferred embodiment, the roller shaft 320 is provided with an extension at each end, which is used to be rotatably connected with the support frame 300; the diameter of the extension is relatively smaller than that of the roller shaft 320, and a sprocket 321 is mounted on the extension; the two coaxial sprockets 321 are connected with the corresponding sprockets 321 on the front and rear sides through chains 322, forming a synchronous transmission structure.

[0050] In the embodiment, the roller shaft 320 is provided with coaxial extensions with relatively small diameters at both ends, which are used to be rotatably connected with the support frame 300 and to mount the sprockets 321; the two sprockets 321 on the same roller shaft 320 are connected with the sprockets 321 on the front and rear roller shafts 320, respectively, so that all the roller shafts 320 form different driving structures.

[0051] In a preferred embodiment, the support frame 300 is further provided with a first motor 330; the first motor 330 is fixedly installed on the support frame 300 and connected with the corresponding sprocket 321 through the chain 322.

[0052] In the embodiment, the roller shaft 320 is driven by the first motor 330; the first motor 330 is fixedly installed on the support frame 300, the output end is provided with the sprocket 321, and the sprocket 321 is connected with the idle sprocket 321 on the end roller shaft 320 through the chain 322, so that all the roller shafts 320 can be driven to rotate synchronously.

[0053] In a preferred embodiment, the support frame 300 is further provided with a guide seat 340 near one end of the limiting seat 310; the guide seat 340 is in the shape of a right-angled triangle in cross section, with the straight side fixedly installed on the support frame 300 and the hypotenuse side upward, for guiding the end of the plate.

[0054] In this embodiment, the guide seat 340 is fixedly installed on the support frame 300 near the limiting seat 310, with the top being a slope, for guiding the end of the plate, so as to avoid the plate from directly falling on the support strip 110 after being separated from the roller shaft 320.

[0055] In a preferred embodiment, the rack body 100 is provided with guide rails 120 on both sides along the sliding direction of the gantry 200; the gantry 200 is provided with matching first sliding blocks corresponding to the guide rails 120; and the bottom of the support frame 300 is provided with matching second sliding blocks corresponding to the guide rails 120.

[0056] In this embodiment, the gantry 200 and the support frame 300 are installed on the same guide rail 120.

[0057] In a preferred embodiment, the rack body 100 is further provided with a lead screw 130 corresponding to the gantry 200; the lead screw 130 is embeddedly installed in the rack body 100 through a first installation slot and is driven by a second motor 131; the gantry 200 is provided with a butt joint corresponding to the lead screw 130 and is threadedly connected with the lead screw 130 through the butt joint.

[0058] In this embodiment, the gantry 200 is driven by the lead screw 130; the rack body 100 is provided with a first installation slot along the length direction on one side; and the lead screw 130 is rotatably installed in the first installation slot through a bearing, so as to drive the gantry 200 without affecting the sliding and driving of the support frame 300.

[0059] In a preferred embodiment, the rack body 100 is further provided with a rack 140 corresponding to the support frame 300; the rack 140 is embeddedly installed in the rack body 100 through a second installation slot; the support frame 300 is provided with a third motor 360 corresponding to the rack 140; the third motor 360 is fixedly installed on the support frame 300, with a matching driving tooth 361 on the output end corresponding to the rack 140.

[0060] In this embodiment, the rack body 100 is provided with a second installation slot parallel to the first installation slot corresponding to the rack 140; the rack 140 is fixedly installed in the second installation slot and reversely drives the support frame 300 connected with the driving tooth 361 to slide relative to the rack body 100 by engaging with the driving tooth 361.

[0061] The principles and implementation manners of the present application are described by using specific examples in the present article, and the above example descriptions are only used to help understand the method of the present application and its core idea. The above descriptions are only the preferred implementation manners of the present application. It should be noted that, due to the limited nature of the language expression, there are objectively infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner without departing from the principles of the present application; these improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the present application.

Claims

1. An automatic feeding device of a laser cutting machine, characterized in that, The utility model relates to a laser cutting machine's automatic feeding device, including The frame body (100) is equipped with the support strip (110) that arranges uniformly on the frame body (100) for supporting the board, The laser cutting device includes gantry (200) slidingly installed on the frame body (100) and laser head (210) movably installed on the gantry (200), The feeding device includes support frame (300) slidingly installed on the frame body (100) and limiting seat (310) liftingly installed on the frame body (100), The limiting seat (310) is L-shaped, is connected with the frame body (100) through air cylinder (311), is located between two support strips (110), and the included angle opening is towards the support frame (300) side, The support frame (300) is equipped with the roller shaft (320) that arranges uniformly on the support frame (300) for supporting and conveying the board, The conveying direction of the roller shaft (320) is parallel with the sliding direction of the support frame (300).

2. The automatic feeding device of the laser cutting machine according to claim 1, wherein Two ends of the roller shaft (320) are respectively provided with extension parts for rotatably connecting with the support frame (300), The diameter of the extension part is relatively smaller than the diameter of the roller shaft (320), and a sprocket (321) is installed, Two coaxial sprockets (321) are respectively connected with the sprockets (321) on the front and back sides through chains (322) to form a synchronous transmission structure.

3. The automatic feeding device of the laser cutting machine according to claim 2, wherein The support frame (300) is further provided with a first motor (330), The first motor (330) is fixedly installed on the support frame (300) and connected with the corresponding sprocket (321) through the chain (322).

4. The automatic feeding device of the laser cutting machine according to claim 1, wherein The support frame (300) is further provided with a guide seat (340) at one end close to the limiting seat (310), The cross section of the guide seat (340) is a right triangle, a straight side is fixedly installed on the support frame (300), and an inclined side is upwards for guiding the end of the board.

5. The automatic feeding device of the laser cutting machine according to claim 1, wherein Both sides of the frame body (100) are respectively provided with guide rails (120) along the sliding direction of the gantry (200), The gantry (200) is provided with matching first sliding blocks corresponding to the guide rails (120), The bottom of the support frame (300) is provided with matching second sliding blocks corresponding to the guide rails (120).

6. The automatic feeding device of the laser cutting machine according to claim 5, wherein The frame body (100) is further provided with a lead screw (130) corresponding to the gantry (200), The lead screw (130) is embeddedly installed in the frame body (100) through a first installation groove and driven by a second motor (131). The gantry (200) is provided with a butt joint part corresponding to the lead screw (130), and is in threaded connection with the lead screw (130) through the butt joint part.

7. The automatic feeding device of the laser cutting machine according to claim 5, characterized in that, The rack body (100) is further provided with a rack (140) corresponding to the support frame (300); The rack (140) is embeddedly installed on the rack body (100) through a second installation slot; The support frame (300) is provided with a third motor (360) corresponding to the rack (140); The third motor (360) is fixedly installed on the support frame (300), and an output end is provided with a matching driving gear (361) corresponding to the rack (140).

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