A laser tube cutting machine with stable cutting

Abstract

The present application relates to a laser tube cutting machine with stable cutting, wherein a movable crossbeam sliding along the length direction is arranged on the machine body, and a laser cutting head is arranged at the action output end of the movable crossbeam; a plurality of feeding side follow-up lifting slide mechanisms are also arranged on the side wall of the machine body, a first guide rail slider assembly and a follow-up pull rod are arranged between the wedge-shaped mounting plate and the bottom plate, a lifting slide is also slidably arranged on the follow-up fixed seat, a roller is rotatably arranged on the lifting slide, the roller abuts against the inclined surface of the wedge-shaped mounting plate, a support plate is hinged on the top of the lifting slide, and a liftable centering clamp mechanism is also slidably arranged on the lifting slide, and the centering clamp mechanism is used for positioning the pipe. The feeding side follow-up lifting slide mechanism and the unloading side follow-up lifting slide mechanism are linked to achieve stable support and synchronous lifting of the pipe, effectively solve the problems of pipe tilt and large incision error, and significantly improve the stability and accuracy of cutting.

Description

Technical Field

[0001] The present application belongs to the technical field of laser tube cutting machines, and in particular, relates to a laser tube cutting machine with stable cutting performance. Background Art

[0002] Laser tube cutting machine is a kind of laser processing equipment specially used for tube cutting. It uses high energy density laser beam to irradiate the surface of tube, and through the thermal effect between laser and material, the tube is partially melted and evaporated in a very short time, so as to achieve fast and accurate cutting. The tube support mechanism of existing laser tube cutting machine often adopts independent lifting mechanism. When cutting long tubes, due to the large height error of the support surface of multiple tube support mechanisms, the tube will be tilted, which will cause large error in cutting accuracy when cutting tubes. Utility Model Content

[0003] The technical problem to be solved by the utility model is: to solve the deficiencies in the prior art, thereby providing a laser tube cutting machine with stable cutting, through the linked follow-up lifting slide mechanism on the feeding side and the follow-up lifting slide mechanism on the unloading side, and the follow-up drive mechanism, stable support and synchronous lifting of the tube are achieved, thereby solving the problems of tube inclination and large incision error.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A laser tube cutting machine with stable cutting comprises: a machine body, a movable crossbeam sliding along the length direction is arranged on the machine body, and a laser cutting head is arranged at the action output end of the movable crossbeam;

[0006] A plurality of loading side follow-up lifting slide mechanisms are also provided on the side wall of the fuselage, and the loading side follow-up lifting slide mechanisms include a bottom plate fixedly connected to the side plate of the fuselage, and a wedge-shaped mounting plate is slidably provided on the bottom plate in the horizontal direction;

[0007] A first guide rail slider assembly and a follower pull rod are arranged between the wedge-shaped mounting plate and the bottom plate;

[0008] The bottom plate is also fixedly connected to a follower fixing seat, and a lifting slide is slidably provided on the follower fixing seat, and a roller is rotatably provided on the lifting slide, and the roller abuts against the inclined surface of the wedge-shaped mounting plate, and a support plate is hingedly connected to the top of the lifting slide, and a first roller for rolling and conveying the pipe is rotatably provided on the support plate;

[0009] A centering clamp mechanism that can be raised and lowered is also slidably arranged on the lifting slide plate, and the centering clamp mechanism is used for positioning the pipe.

[0010] Preferably, the utility model is a laser tube cutting machine with stable cutting, the centering clamping jaw mechanism includes a base seat, a horizontal clamping jaw mounting plate is fixedly connected to the base seat, a pair of clamping jaws are slidably mounted on the clamping jaw mounting plate, two parallel racks are slidably mounted on the bottom of the clamping jaw mounting plate, the two racks are meshed and linked with a gear, the gear is rotatably mounted on the bottom of the clamping jaw mounting plate, and the ends of the two racks are respectively fixedly connected to the two clamping jaws.

[0011] Preferably, in the laser tube cutting machine with stable cutting of the utility model, a first driving cylinder is further provided at the bottom of the clamp mounting plate, and both ends of the first driving cylinder are respectively fixedly connected to the two racks.

[0012] Preferably, in the laser tube cutting machine with stable cutting of the utility model, a second roller for rolling and conveying the tube is rotatably provided on the inner side of the clamping jaw.

[0013] Preferably, in the laser tube cutting machine with stable cutting of the utility model, a second driving cylinder is further arranged between the follower fixing seat and the lifting slide.

[0014] Preferably, in a laser tube cutting machine with stable cutting of the utility model, the side wall of the fuselage is also provided with a follower drive mechanism, and the follower drive mechanism is used to drive multiple follower pull rods to move synchronously, and the follower drive mechanism includes a motor reducer and a follower pull plate horizontally slidably arranged on the side wall of the fuselage, the inner side of the follower pull plate is fixedly connected with a helical rack, and the rotating output shaft of the motor reducer is connected with a helical gear, and the helical gear is meshed with the helical rack.

[0015] Preferably, in the utility model, a laser tube cutting machine with stable cutting is provided on the machine body with a slide rail and a long rack along the length direction, the movable crossbeam is slidably set on the slide rail, and a driving gear is provided to mesh with the long rack to drive the movable crossbeam to slide on the machine body.

[0016] Preferably, in the utility model, a laser tube cutting machine with stable cutting is provided with a four-jaw double-action chuck for clamping and rotating the tube in the middle of the machine body, and a four-jaw chuck is also slidably provided on the side of the machine body where the tube is fed.

[0017] Preferably, in the utility model, a laser tube cutting machine with stable cutting is provided with a plurality of follow-up lifting slide mechanisms on the side wall of the fuselage at one end of the tube for unloading, and the follow-up lifting slide mechanisms on the unloading side are used to liftably support the tube on the unloading side and dump the cut tube for unloading.

[0018] The beneficial effects of the utility model are:

[0019] The linkage-arranged follow-up lifting slide mechanism on the feeding side and the follow-up lifting slide mechanism on the unloading side realizes the stable support and synchronous lifting of the pipe, effectively solves the problems of pipe tilt and large cutting error, and significantly improves the cutting stability and accuracy;

[0020] The centering jaw mechanism equipped on the feeding side follow-up lifting slide mechanism drives the opening and closing of the two jaws through the first driving cylinder, which can accurately center the pipe, further enhancing the pipe processing capacity of the equipment;

[0021] The design of the moving crossbeam allows the laser cutting head to slide on the machine body. Together with the four-jaw double-moving chuck and the four-jaw chuck, it can adapt to pipes of different lengths, improving the convenience and flexibility of operation.

[0022] The structure has been optimized, and the synchronous and stable lifting of the lifting slide board is achieved through the design of the pull rod structure, wedge-shaped mounting plate and rollers, which not only ensures the realization of the function but also reduces the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The technical solution of the present application is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Figure 1 3D schematic diagram of the laser tube cutting machine according to an embodiment of the present application;

[0025] Figure 2 This is a schematic diagram of the top structure of the follow-up lifting slide mechanism on the feeding side of the embodiment of the present application (the base is drawn in perspective);

[0026] Figure 3 This is a schematic diagram of the bottom structure of the feeding side follow-up lifting slide mechanism of the embodiment of the present application (the base is drawn in perspective);

[0027] Figure 4 Schematic diagram of the structure of the follow-up lifting slide mechanism on the unloading side of the embodiment of the present application;

[0028] Figure 5 is a schematic diagram of the structure of the movable crossbeam in an embodiment of the present application;

[0029] The reference numerals in the figure are:

[0030] The fuselage 10, the moving crossbeam 11, the four-jaw double-moving chuck 12, the four-jaw chuck 13, the feeding side follow-up lifting slide mechanism 20, the bottom plate 21, the follow-up fixed seat 22, the first guide rail slider assembly 23, the follow-up pull rod 24, the wedge-shaped mounting plate 25, the lifting slide 26, the support plate 27, the centering clamping jaw mechanism 28, the base seat 281, the clamping jaw mounting plate 282, the first driving cylinder 283, the fourth driving cylinder 284, the second driving cylinder 29, the unloading side follow-up lifting slide mechanism 30, the follow-up driving mechanism 40, the follow-up pull plate 41, and the pipe feeding conveyor 50. DETAILED DESCRIPTION

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0032] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention, unless otherwise specified, "multiple" means two or more.

[0033] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0034] The technical solution of the present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0035] Example

[0036] This embodiment provides a laser tube cutting machine with stable cutting performance. Figure 1 , including: a body 10, a plurality of linked feeding side follow-up lifting slide mechanisms 20, a plurality of linked unloading side follow-up lifting slide mechanisms 30 and a follow-up driving mechanism 40, and a pipe feeding conveyor 50.

[0037] Preferably, in the present embodiment, a laser tube cutting machine with stable cutting is provided with a four-jaw double-action chuck 12 for clamping and rotating the tube in the middle of the body 10, two slide rails and a long rack are provided on the body 10 along the length direction, and a four-jaw chuck 13 is also slidably provided on the body 10 at the tube feeding end on one side of the four-jaw double-action chuck 12, and a driving gear meshing with the long rack is provided on the four-jaw chuck 13 to drive the four-jaw chuck 13 to move on the slide rail.

[0038] Preferably, in the present embodiment, the laser tube cutting machine with stable cutting performance has the movable crossbeam 11 slidably arranged on the slide rail. Figure 5 The movable crossbeam 11 includes a base, a slide seat which can be raised and lowered on the base, a crossbeam which slides parallel to the base, a rotating shaft is provided at one end of the crossbeam, a laser cutting head is installed on the rotating shaft, and a driving gear which meshes with a long rack to drive the movable crossbeam 11 to slide on the fuselage 10 during actual work, the crossbeam rises to make the laser cutting head avoid the position.

[0039] It should be noted that the driving gear is connected to the power output shaft of the servo motor, and the rotating shaft is also connected to the servo motor to drive the laser cutting head to rotate. A screw nut driving device is provided between the slide and the base, and between the beam and the slide to drive them to slide.

[0040] Preferably, a laser tube cutting machine with stable cutting performance according to this embodiment is described in detail. Figure 2 and Figure 3 A plurality of feeding-side follow-up lifting slide mechanisms 20 are arranged side by side at the feeding end of the side wall of the fuselage 10. The feeding-side follow-up lifting slide mechanism 20 includes a bottom plate 21 fixedly connected to the side plate of the fuselage 10. A wedge-shaped mounting plate 25 is slidably arranged on the bottom plate 21 along the horizontal direction. A first guide rail slider assembly 23 and a follow-up pull rod 24 are arranged between the wedge-shaped mounting plate 25 and the bottom plate 21. A follow-up fixing seat 22 is also fixedly connected to the bottom plate 21. A lifting slide 26 is also slidably arranged on the follow-up fixing seat 22. A roller is rotatably arranged on the lifting slide 26, and the roller abuts against the inclined surface of the wedge-shaped mounting plate 25. A support plate 27 is hinged on the top of the lifting slide 26. Two first rollers for rolling and conveying pipes are rotatably arranged on the support plate 27. The axial direction of the first roller is arranged parallel and perpendicular to the moving direction of the pipe.

[0041] Preferably, in a laser tube cutting machine with stable cutting of the present embodiment, a lifting slide 26 is also slidably provided with a liftable centering clamp mechanism 28, the centering clamp mechanism 28 is used for positioning the tube, the centering clamp mechanism 28 comprises a base seat 281, a fourth driving cylinder 284 is provided between the base seat 281 and the lifting slide 26, for driving the centering clamp mechanism 28 to lift and lower, a horizontal clamp mounting plate 282 is fixedly connected to the base seat 281, a pair of clamps are slidably mounted on the clamp mounting plate 282, two parallel racks are slidably mounted on the bottom of the clamp mounting plate 282, the two racks are meshed and linked with a gear, the gear is rotatably mounted on the bottom of the clamp mounting plate 282, and the ends of the two racks are respectively fixedly connected to the two clamps.

[0042] Preferably, in the laser tube cutting machine with stable cutting of the present embodiment, a second roller for rolling and conveying the tube is rotatably provided on the inner side of the clamping jaw.

[0043] Preferably, in a laser tube cutting machine with stable cutting of the present embodiment, a first driving cylinder 283 is further provided at the bottom of the jaw mounting plate 282, and both ends of the first driving cylinder 283 are respectively fixedly connected to the two racks, and the first driving cylinder 283 is used to drive the two jaws to open and close, and under the action of the gear and the two racks, the two jaws move synchronously towards each other, which has a centering effect on the pipe.

[0044] Preferably, in a laser tube cutting machine with stable cutting of the present embodiment, a second driving cylinder 29 is further arranged between the follower fixing seat 22 and the lifting slide 26. The lifting action of the second driving cylinder 29 is synchronized with the lifting action of the roller pushed by the wedge-shaped mounting plate 25, so that the roller is always in contact with the wedge-shaped mounting plate 25, ensuring that the support plates 27 of multiple feeding-side follower lifting slide mechanisms 20 are lifted and lowered synchronously.

[0045] Preferably, in a laser tube cutting machine with stable cutting of the present embodiment, the side wall of the fuselage 10 is also provided with a follower drive mechanism 40, and the follower drive mechanism 40 is used to drive multiple follower pull rods 24 to move synchronously. The follower drive mechanism 40 includes a motor reducer and a follower pull plate 41 horizontally slidably arranged on the side wall of the fuselage 10, and the inner side of the follower pull plate 41 is fixedly connected with a helical rack, and the rotating output shaft of the motor reducer is connected with a helical gear, and the helical gear is meshed with the helical rack.

[0046] Preferably, in a laser tube cutting machine with stable cutting of the present embodiment, a plurality of follow-up lifting slide mechanisms 30 on the side wall of the body 10 at one end of the tube unloading are also provided, and the follow-up lifting slide mechanism 30 on the unloading side is used to liftably support the tube on the unloading side and dump the cut tube for unloading.

[0047] The structure of the follow-up lifting slide mechanism 30 on the unloading side is similar to that of the follow-up lifting slide mechanism 20 on the loading side. Figure 4 , the difference is that the follow-up lifting slide mechanism 30 on the unloading side does not include a centering clamp mechanism, and the support plate is hinged on the top of the lifting slide plate to support the pipe. The bottom of the cylinder seat of the second driving cylinder is hinged on the lifting slide plate, and the end of the telescopic rod is hinged on the support plate. A third driving cylinder is arranged between the lifting slide plate and the support plate, and the cylinder seat and the end of the telescopic rod of the third driving cylinder are hinged on the lifting slide plate and the support plate respectively. By controlling the extension and contraction of the telescopic rod of the third driving cylinder, the support plate can be driven to rotate around the hinge point, thereby adjusting the inclination angle of the support plate, and automatically unloading the cut pipes.

[0048] The pipe loading conveyor 50 is arranged on the loading side of the fuselage 10 and is used to automatically convey the pipe to the follow-up lifting slide mechanism 20 on the loading side.

[0049] The utility model laser tube cutting machine is also equipped with a control system, which realizes precise control of each component through PLC or other controllers. The control system can automatically adjust the height and position of the lifting slide 26 and the centering clamp mechanism 28 according to the length, diameter and other parameters of the tube, ensuring that the follow-up lifting slide mechanism 30 on the unloading side and the follow-up lifting slide mechanism 20 on the loading side act synchronously during the cutting process of the tube, so that the supporting working surfaces of multiple support plates remain horizontal when supporting the material, so as to ensure the stability and accuracy of the cutting.

[0050] During actual operation, the clamping jaws of the centering clamping jaw mechanism 28 descend to the bottom of the support plate, the pipe feeding conveyor 50 conveys the pipe to the follow-up lifting slide mechanism 20 on the feeding side, and then the clamping jaws rise, and the pipe is located between the two clamping jaws. The first driving cylinder clamps the pipe and centers it. The four-jaw chuck 13 moves close to the end of the pipe, and after clamping the pipe, pushes the pipe to continue to move forward, so that the other end of the pipe is clamped by the four-jaw double-moving chuck 12, and the moving crossbeam 11 drives the laser cutting head to move to the specified position and angle to cut the pipe. When the pipe cutting is completed, the third driving cylinder on the unloading side drives the support plate to tilt, and the cut pipe is automatically unloaded.

[0051] Based on the above ideal embodiments of this application, the relevant staff can make various changes and modifications without departing from the technical concept of this application through the above description. The technical scope of this application is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A laser tube cutting machine with stable cutting, characterized in that: include: A machine body (10), wherein a movable crossbeam (11) sliding along the length direction is arranged on the machine body (10), and a laser cutting head is arranged at the action output end of the movable crossbeam (11); A plurality of loading side follow-up lifting slide mechanisms (20) are also provided on the side wall of the machine body (10), and the loading side follow-up lifting slide mechanisms (20) include a bottom plate (21) fixedly connected to the side plate of the machine body (10), and a wedge-shaped mounting plate (25) is slidably provided on the bottom plate (21) in a horizontal direction; A first guide rail slider assembly (23) and a follower pull rod (24) are arranged between the wedge-shaped mounting plate (25) and the bottom plate (21); The bottom plate (21) is also fixedly connected to a follower fixing seat (22), and a lifting slide plate (26) is slidably provided on the follower fixing seat (22), and a roller is rotatably provided on the lifting slide plate (26), and the roller abuts against the inclined surface of the wedge-shaped mounting plate (25), and a supporting plate (27) is hingedly connected to the top of the lifting slide plate (26), and a first roller for rolling and conveying the pipe is rotatably provided on the supporting plate (27); A centering clamp mechanism (28) that can be raised and lowered is also slidably arranged on the lifting slide plate (26), and the centering clamp mechanism (28) is used for positioning the pipe.

2. A laser tube cutting machine with stable cutting according to claim 1, characterized in that: The centering clamping jaw mechanism (28) includes a base seat (281), a horizontal clamping jaw mounting plate (282) is fixedly connected to the base seat (281), a pair of clamping jaws are slidably mounted on the clamping jaw mounting plate (282), two parallel racks are slidably mounted on the bottom of the clamping jaw mounting plate (282), the two racks are meshed and linked with a gear, the gear is rotatably mounted on the bottom of the clamping jaw mounting plate (282), and the ends of the two racks are respectively fixedly connected to the two clamping jaws.

3. A laser tube cutting machine with stable cutting according to claim 2, characterized in that: A first driving cylinder (283) is also provided at the bottom of the clamping jaw mounting plate (282), and two ends of the first driving cylinder (283) are respectively fixedly connected to two racks.

4. The laser tube cutting machine with stable cutting according to claim 3 is characterized in that: A second roller for rolling and conveying the pipe is rotatably arranged on the inner side of the clamping jaw.

5. The laser tube cutting machine with stable cutting according to claim 4, characterized in that: A second driving cylinder (29) is also provided between the follower fixing seat (22) and the lifting slide plate (26).

6. A laser tube cutting machine with stable cutting according to any one of claims 1 to 5, characterized in that: The side wall of the fuselage (10) is also provided with a follower drive mechanism (40), and the follower drive mechanism (40) is used to drive multiple follower pull rods (24) to move synchronously. The follower drive mechanism (40) includes a motor reducer and a follower pull plate (41) horizontally slidably arranged on the side wall of the fuselage (10), and the inner side of the follower pull plate (41) is fixedly connected with a helical rack, and the rotating output shaft of the motor reducer is connected with a helical gear, and the helical gear is meshed with the helical rack.

7. The laser tube cutting machine with stable cutting according to claim 6, characterized in that: The machine body (10) is also provided with a slide rail and a long rack along the length direction, the movable crossbeam (11) is slidably arranged on the slide rail, and a driving gear is provided to mesh with the long rack to drive the movable crossbeam (11) to slide on the machine body (10).

8. A laser tube cutting machine with stable cutting according to claim 1 or 7, characterized in that: A four-jaw double-action chuck (12) for clamping and rotating the pipe is also provided in the middle of the machine body (10), and a four-jaw chuck (13) is also slidably provided on the side of the machine body (10) where the pipe is fed.

9. The laser tube cutting machine with stable cutting according to claim 8, characterized in that: A plurality of unloading side follow-up lifting slide mechanisms (30) are also provided on the side wall of the fuselage (10) at one end of the unloading pipe, and the unloading side follow-up lifting slide mechanisms (30) are used to liftably support the pipe on the unloading side and dump the cut pipe for unloading.

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