Optical fiber laser cutting machine with dust removal structure

Abstract

The utility model discloses an optical fiber laser cutting machine with a dust removal structure, which comprises a bottom frame and a movable frame, a support plate is arranged inside the top end of the bottom frame, the movable frame is slidably connected to the top end of the bottom frame, a support frame is arranged on the other side of the top end of the bottom frame, and a cutting head is mounted on one side of a connecting frame. The inner frame is fixedly connected to one end of the top inside the supporting frame. The dust removal and cleaning structure is arranged, the motor drives the reciprocating lead screw to rotate, at the moment, the sliding block in threaded connection with the reciprocating lead screw does reciprocating rectilinear motion in the inner frame along the guide rod, when a cut object is pushed in along one side of the supporting plate, the reciprocating lead screw is started, and at the moment, a brush cleans the surface of the cut object passing through the reciprocating lead screw; and meanwhile, one end of the air guide pipe is connected with the air blower through the pipeline, so that air can flow towards the surface of the cut object through the spray head, dust and sundries adsorbed on the surface of the cut object are blown away, and dust removal and cleaning of the surface of the cut object are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber laser cutting machines, in particular to an optical fiber laser cutting machine with a dust removal structure. Background Art

[0002] As a processing equipment that uses light for cutting, the fiber laser cutting machine irradiates a specified area of ​​the cutting object with an instantaneous high-temperature light spot, causing the surface of the cutting object to quickly melt and vaporize due to the tiny high-temperature light spot, and through numerical control operation, it can cut the cutting object into a certain pattern.

[0003] To this end, a fiber laser cutting machine is disclosed in the patent specification with publication number CN211759271U, which relates to the technical field of laser cutting machines, in order to solve the problem that the existing fiber laser cutting machines are complicated to use and not very practical. A stainless steel fixed net is installed inside the laser cutting machine case, and fixed boxes are installed on both sides of the laser cutting machine case, and the laser cutting machine case and the fixed box are connected by bolts, and slide grooves are provided on both sides of the upper part of the fixed box, and a second rotating shaft is installed on both sides of the fixed box, and a second crawler is installed between the two second rotating shafts, and a fixed slider is installed inside the fixed box, and a connecting block is installed on the outer side of the fixed slider, and there are two connecting blocks. The above-mentioned fiber laser cutting machine has a good cutting effect when it is used, but there are still some problems:

[0004] Since fiber laser cutting uses an ultra-fine focal spot to instantly melt and condense the designated position of the object being cut, if there is dirt or dander on the surface of the object being cut, the high temperature may cause spots on the incision that are difficult to clean. However, the above-mentioned fiber laser cutting machine does not have any effective cleaning measures when it is in use. Utility Model Content

[0005] The utility model aims to provide a fiber laser cutting machine with a dust removal structure, so as to solve the defect that the existing fiber laser cutting machine mentioned above fails to clean the surface of the cutting object when in use.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a fiber laser cutting machine with a dust removal structure, comprising a base frame and a movable frame, a support plate is arranged inside the top of the base frame, a movable frame is slidably connected to the top of the base frame, a support frame is arranged on the other side of the top of the base frame, a connecting frame is installed on the outside of the movable frame, a cutting head is installed on one side of the connecting frame, a protective structure is installed below the outer side wall of the cutting head, a dust removal and cleaning structure is fixedly connected to the bottom end of the support frame, the dust removal and cleaning structure comprises an inner frame, a slider, a guide groove, a brush, a guide rod, a reciprocating screw rod, a side frame, an air guide pipe and a nozzle, and the inner frame is fixedly connected to one end of the inner top of the support frame.

[0007] When in use, the object to be cut is slowly pushed in along one side of the support plate and arranged. Then the fiber laser cutting machine is started so that the moving frame and the connecting frame drive the cutting head to move horizontally and vertically according to the pre-programmed method, and the laser generated at the bottom of the cutting head performs laser cutting of a certain pattern on the object to be cut.

[0008] Preferably, the protective structure includes a pipe sleeve, a connecting plate, a guide groove, a fixing block, an adjusting screw and a fastening nut, the pipe sleeve is installed below the cutting head, one end of the top of the pipe sleeve is fixedly connected to the connecting plate, a guide groove is provided inside the connecting plate, a fixing block is fixedly connected below one end of the cutting head, one end of the fixing block is fixedly connected to the adjusting screw, one end of the outer wall of the adjusting screw penetrates to the outside of the guide groove and is connected to the internal thread of the fastening nut, the height of the pipe sleeve is adjusted under the action of the guide groove so that the pipe sleeve is close to the surface of the cutting object, thereby shielding the sputtering sparks.

[0009] Preferably, the cross-sectional area of ​​the inner diameter of the sleeve is larger than the cross-sectional area of ​​the outer diameter of the cutting head, and the sleeve is perpendicular to the connecting piece.

[0010] Preferably, the fixing block is perpendicular to the outer side wall of the cutting head, and the adjusting screw and the fastening nut are in a threaded connection structure, thereby fixing the height of the pipe sleeve.

[0011] Preferably, the inner frame is slidably connected to a slider, a guide groove is provided at the bottom end of the inner frame, the bottom end of the slider penetrates to the bottom of the guide groove and is fixedly connected to the top of the brush, one end of the inner frame is fixedly connected to a guide rod, a reciprocating screw is provided on one side of the guide rod, the other end of the top of the support frame is fixedly connected to a side frame, an air guide pipe is provided on one side of the side frame, and a nozzle is fixedly connected to one side of the air guide pipe. When the reciprocating screw is started, the brush will clean the surface of the cutting object passing through, and at the same time, one end of the air guide pipe is connected to the blower through a pipe, so that air can blow away dust through the nozzle.

[0012] Preferably, the inner frame and the reciprocating screw are in a rotating structure, and the slider and the guide rod are in a sliding structure, so that the movement of the brush is more stable.

[0013] Preferably, the slider and the reciprocating screw are in a threaded connection structure, and the nozzles are distributed at equal intervals on one side of the air duct, so that dust can be blown away.

[0014] The utility model provides a fiber laser cutting machine with a dust removal structure, which has the advantages that: by providing a dust removal and cleaning structure, the reciprocating screw is driven by a motor to rotate, and at this time, a slider threadedly connected to the reciprocating screw performs reciprocating linear motion inside the inner frame along the guide rod, and when the cutting object is pushed in along one side of the support plate, the reciprocating screw is started, and at this time, the brush will clean the surface of the cutting object passing through, and at the same time, one end of the air guide pipe is connected to the blower through a pipeline, so that air can flow to the surface of the cutting object through the nozzle, and then the dust and debris adsorbed on the surface of the cutting object are blown away, thereby realizing dust removal and cleaning of the surface of the cutting object;

[0015] A protective structure is provided, a pipe sleeve is installed under the cutting head, the laser is emitted through the hole at the bottom of the pipe sleeve, and the height of the pipe sleeve is adjusted under the action of the guide groove, and the threaded connection structure of the adjusting screw and the fastening nut is tightened to make the pipe sleeve close to the surface of the cutting object, thereby shielding the sputtering sparks and avoiding accidental touching of the laser by humans, thereby improving the safety of the above-mentioned optical fiber laser cutting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0018] Figure 3 For the utility model Figure 1 A partial cross-section at the center is an enlarged structural diagram;

[0019] Figure 4 It is a schematic diagram of the three-dimensional disassembly structure of the protective structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional structure of the dust removal and cleaning structure of the utility model.

[0021] In the figure: 1. base frame; 2. support plate; 3. movable frame; 4. connecting frame; 5. cutting head; 6. protective structure; 601. pipe sleeve; 602. connecting plate; 603. guide groove; 604. fixing block; 605. adjusting screw; 606. tightening nut; 7. supporting frame; 8. dust removal and cleaning structure; 801. inner frame; 802. slider; 803. guide groove; 804. brush; 805. guide rod; 806. reciprocating screw; 807. side frame; 808. air guide tube; 809. nozzle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5 The utility model provides a fiber laser cutting machine with a dust removal structure, including a base frame 1 and a moving frame 3. A support plate 2 is arranged inside the top of the base frame 1. The moving frame 3 is slidably connected to the top of the base frame 1. A support frame 7 is arranged on the other side of the top of the base frame 1. A connecting frame 4 is installed on the outside of the moving frame 3. A cutting head 5 is installed on one side of the connecting frame 4. A dust removal and cleaning structure 8 is fixedly connected to the bottom end of the support frame 7. The dust removal and cleaning structure 8 includes an inner frame 801, a slider 802, a guide groove 803, a brush 804, a guide rod 805, a reciprocating screw rod 806, a side frame 807, an air guide pipe 808 and a nozzle 809. The inner frame 801 is fixedly connected to one end of the inner top of the support frame 7. The inner frame 801 is slidably connected to the sliding plate 2. Block 802, a guide groove 803 is provided at the bottom end of the inner frame 801, the bottom end of the slider 802 penetrates to the bottom of the guide groove 803 and is fixedly connected to the top of the brush 804, one end of the inner frame 801 is fixedly connected to a guide rod 805, one side of the guide rod 805 is provided with a reciprocating screw rod 806, the other end of the top of the support frame 7 is fixedly connected to a side frame 807, one side of the side frame 807 is provided with an air guide pipe 808, one side of the air guide pipe 808 is fixedly connected to a nozzle 809, the inner frame 801 and the reciprocating screw rod 806 are in a rotating structure, the slider 802 and the guide rod 805 are in a sliding structure, the slider 802 and the reciprocating screw rod 806 are in a threaded connection structure, and the nozzles 809 are evenly spaced and distributed on one side of the air guide pipe 808.

[0024] Refer to the attached Figure 1 and Figure 5When the fiber laser cutting machine is used, the object to be cut is placed on the top of the support plate 2, and then the fiber laser cutting machine is started. The moving frame 3 and the connecting frame 4 drive the cutting head 5 to move horizontally and vertically according to the pre-programmed method, and the laser generated at the bottom of the cutting head 5 performs laser cutting of a certain pattern on the object to be cut. In this process, the laser at the bottom of the cutting head 5 will instantly generate a small high-temperature spot. In order to avoid the presence of more dust and dirt on the surface of the object to be cut, which may cause spots that are difficult to clean to appear at the incision of the object to be cut, an inner frame 801 is fixed at the top of the support frame 7, and guides are respectively arranged inside it. The guide rod 805 and the reciprocating screw rod 806 are driven by a motor to rotate the reciprocating screw rod 806. At this time, the slider 802 threadedly connected to the reciprocating screw rod 806 performs reciprocating linear motion inside the inner frame 801 along the guide rod 805. When the cutting object is pushed in along one side of the support plate 2, the reciprocating screw rod 806 is started. At this time, the brush 804 will clean the surface of the cutting object passing through, so as to keep the surface of the cutting object clean. At the same time, one end of the air guide tube 808 is connected to the blower through a pipeline, so that air can flow to the surface of the cutting object through the nozzle 809, thereby blowing away the dust and debris adsorbed on the surface of the cutting object.

[0025] A protective structure 6 is installed below the outer wall of the cutting head 5, and the protective structure 6 includes a sleeve 601, a connecting piece 602, a guide groove 603, a fixing block 604, an adjusting screw 605 and a fastening nut 606. The sleeve 601 is installed below the cutting head 5, and one end of the top of the sleeve 601 is fixedly connected to the connecting piece 602, and a guide groove 603 is provided inside the connecting piece 602. A fixing block 604 is fixedly connected below one end of the cutting head 5, and one end of the fixing block 604 is fixedly connected to the adjusting screw 605. One end of the outer wall of the adjusting screw 605 penetrates to the outside of the guide groove 603 and is connected to the internal thread of the fastening nut 606. The cross-sectional area of ​​the inner diameter of the sleeve 601 is larger than the cross-sectional area of ​​the outer diameter of the cutting head 5. The sleeve 601 is perpendicular to the connecting piece 602, the fixing block 604 is perpendicular to the outer wall of the cutting head 5, and the adjusting screw 605 and the fastening nut 606 are in a threaded connection structure.

[0026] Refer to the attached Figure 1 , Figure 3 and Figure 4During the use of the fiber laser cutting machine, the bottom of the cutting head 5 will generate a light spot with an instantaneous high temperature toward the cutting object, thereby cutting the cutting object. In order to avoid spark spattering or human error in this process, a sleeve 601 is installed under the cutting head 5, so that the laser is emitted through the hole at the bottom of the sleeve 601, and the height of the sleeve 601 is adjusted under the action of the guide groove 603, and the threaded connection structure of the adjusting screw 605 and the fastening nut 606 is tightened to make the sleeve 601 close to the surface of the cutting object, so as to shield the sputtering sparks and avoid human error in touching the laser.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fiber laser cutting machine with a dust removal structure, comprising a base frame (1) and a movable frame (3); Features: A support plate (2) is arranged inside the top of the base frame (1), a moving frame (3) is slidably connected to the top of the base frame (1), and a support frame (7) is arranged on the other side of the top of the base frame (1); A connecting frame (4) is installed on the outer side of the movable frame (3), a cutting head (5) is installed on one side of the connecting frame (4), and a protective structure (6) is installed below the outer side wall of the cutting head (5); The bottom end of the support frame (7) is fixedly connected to a dust removal and cleaning structure (8), the dust removal and cleaning structure (8) comprising an inner frame (801), a slider (802), a guide groove (803), a brush (804), a guide rod (805), a reciprocating screw rod (806), a side frame (807), an air guide pipe (808) and a nozzle (809), and the inner frame (801) is fixedly connected to one end of the inner top of the support frame (7).

2. The optical fiber laser cutting machine with a dust removal structure according to claim 1, characterized in that: The protective structure (6) comprises a sleeve (601), a connecting piece (602), a guide groove (603), a fixing block (604), an adjusting screw (605) and a fastening nut (606); the sleeve (601) is installed below the cutting head (5); one end of the top of the sleeve (601) is fixedly connected to the connecting piece (602); a guide groove (603) is provided inside the connecting piece (602); a fixing block (604) is fixedly connected below one end of the cutting head (5); one end of the fixing block (604) is fixedly connected to the adjusting screw (605); one end of the outer wall of the adjusting screw (605) passes through the outer side of the guide groove (603) and is connected to the inner thread of the fastening nut (606).

3. The optical fiber laser cutting machine with a dust removal structure according to claim 2, characterized in that: The cross-sectional area of ​​the inner diameter of the pipe sleeve (601) is greater than the cross-sectional area of ​​the outer diameter of the cutting head (5), and the pipe sleeve (601) is perpendicular to the connecting piece (602).

4. The optical fiber laser cutting machine with a dust removal structure according to claim 2, characterized in that: The fixing block (604) is perpendicular to the outer side wall of the cutting head (5), and the adjusting screw (605) and the fastening nut (606) are in a threaded connection structure.

5. The optical fiber laser cutting machine with a dust removal structure according to claim 1, characterized in that: The inner frame (801) is slidably connected to a slider (802), a guide groove (803) is provided at the bottom end of the inner frame (801), the bottom end of the slider (802) penetrates to the bottom of the guide groove (803) and is fixedly connected to the top end of the brush (804), one end of the inner frame (801) is fixedly connected to a guide rod (805), one side of the guide rod (805) is provided with a reciprocating screw rod (806), the other end of the top of the support frame (7) is fixedly connected to a side frame (807), one side of the side frame (807) is provided with an air guide pipe (808), and one side of the air guide pipe (808) is fixedly connected to a nozzle (809).

6. The optical fiber laser cutting machine with a dust removal structure according to claim 5, characterized in that: The inner frame (801) and the reciprocating screw rod (806) are in a rotating structure, and the slider (802) and the guide rod (805) are in a sliding structure.

7. The optical fiber laser cutting machine with a dust removal structure according to claim 5, characterized in that: The slider (802) and the reciprocating screw rod (806) are in a threaded connection structure, and the nozzles (809) are distributed at equal intervals on one side of the air guide tube (808).

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