Double-stand-column gantry type three-dimensional five-axis laser cutting machine with upper sliding table and lower sliding table

Abstract

The utility model relates to the technical field of laser cutting machines, in particular to a double-stand-column gantry type up-down sliding table three-dimensional five-axis laser cutting machine which comprises a machine frame, a left-right operation X axis is arranged on the machine frame, a position changing machine is arranged on the left-right operation X axis, a B-axis rotating disc and an A-axis angle rotating shaft are arranged on the position changing machine, and an A-axis angle rotating disc is arranged on the A-axis angle rotating shaft. An upper Z shaft and a lower Z shaft are arranged on the machine frame, a front-back operation Y shaft is installed on the upper Z shaft and the lower Z shaft, a laser cutting gun head is installed on the front-back operation Y shaft, and an upper transmission Z shaft motor and a front-back transmission Y shaft servo motor are arranged on the upper Z shaft and the lower Z shaft and the front-back operation Y shaft respectively. According to the laser cutting device, the laser cutting gun head is arranged on the front-back operation Y shaft, and the front-back operation Y shaft is arranged on the upper Z shaft and the lower Z shaft, so that the distance between the laser cutting gun head and the front-back operation Y shaft is kept unchanged, the phenomenon that the laser cutting gun head shakes due to excessive suspension in the cutting process is avoided, cutting errors are avoided, and the cutting precision is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting machine technical field, especially in kind of double column gantry type up and down slide platform three dimensional five -axis laser cutting machine. BACKGROUND

[0002] Laser cutting is that laser emitted by laser is focused into high power density laser beam through optical path system. Laser beam irradiates to workpiece surface, makes workpiece reach melting point or boiling point, and high pressure gas coaxial with beam blows away melted or vaporized metal. With the movement of relative position of beam and workpiece, finally makes material form cut joint, thereby reaches the purpose of cutting.

[0003] The existing three dimensional laser cutting machine generally adopts the mode of double column single gantry, fixes Y axis transverse slide directly on gantry, and Y axis slide is provided with a single up and down slide platform Z axis for installing and driving laser cutting gun head to run up and down, since Z axis single slide platform lifts too high, laser cutting gun head needs to lift to top end when cutting highest product, and laser cutting gun head drops to the lowest when cutting shortest product, at this time, laser cutting gun head is suspended too much relative to Z axis single slide platform up and down, and can produce shaking, and cutting error is easy to cause, thereby leading to lower cutting precision. SUMMARY

[0004] The utility model provides a kind of double column gantry type up and down slide platform three dimensional five -axis laser cutting machine for the above defects of prior art, by setting laser cutting gun head on front and back running Y axis, and front and back running Y axis is set on up and down double Z axis, so that the distance between laser cutting gun head and front and back running Y axis remains unchanged, avoid the phenomenon that laser cutting gun head is suspended too much and produces shaking in cutting process, avoid causing cutting error, and cutting precision is higher.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] A kind of double column gantry type up and down slide platform three dimensional five -axis laser cutting machine, including rack, the rack is provided with left and right running X axis, the left and right running X axis is provided with positioner, the positioner is provided with B axis rotary disc and A axis angle rotary shaft, the rack is provided with up and down double Z axis, the up and down double Z axis is installed with front and back running Y axis, the front and back running Y axis is installed with laser cutting gun head, and the up and down double Z axis and front and back running Y axis are respectively provided with upper and lower transmission Z axis motor and front and back transmission Y axis servo motor.

[0007] Preferably, the rack is provided with double column gantry, and the up and down double Z axis is installed on the double column gantry.

[0008] Preferably, the up-and-down double-Z-axis comprises a double-Z-axis sliding module, a Z-axis sliding table, a Y-axis connecting plate and a Z-axis servo motor connecting plate, the Z-axis sliding table is slidingly arranged on the double-Z-axis sliding module, the up-and-down transmission Z-axis motor is installed at the bottom of the double-Z-axis sliding module through the Z-axis servo motor connecting plate, and the Z-axis sliding table is connected with the front-and-back running Y-axis through the Y-axis connecting plate.

[0009] Preferably, the front-and-back running Y-axis comprises a Y-axis sliding module, a Y-axis sliding table, a Y-axis servo motor connecting plate and a crossbeam connecting plate, the crossbeam connecting plate is connected with the Y-axis connecting plate and the Y-axis sliding module respectively, the Y-axis sliding table is slidingly arranged on the Y-axis sliding module, the front-and-back transmission Y-axis servo motor is installed on the side surface of the Y-axis sliding module through the Y-axis servo motor connecting plate, and the laser cutting gun head is installed on the Y-axis sliding table.

[0010] Preferably, the left-and-right running X-axis comprises an X-axis sliding table, an X-axis gear transmission servo motor, an X-axis transmission guide rail and an X-axis transmission rack, the X-axis transmission guide rail and the X-axis transmission rack are both installed on the rack, the X-axis sliding table is slidingly installed on the X-axis transmission guide rail, and the X-axis gear transmission servo motor is installed on the X-axis sliding table and is in transmission connection with the X-axis transmission rack.

[0011] Preferably, the side surface of the A-axis angle rotating shaft is provided with an A-axis angle swing transmission servo motor, and the side surface of the rack is provided with a whole machine computer control console.

[0012] By adopting the technical scheme, the double-column gantry type up-and-down sliding table three-dimensional five-axis laser cutting machine has the following beneficial effects: the laser cutting machine is formed with the left-and-right running X-axis, the front-and-back running Y-axis, the up-and-down double-Z-axis, the B-axis rotating disc and the A-axis angle rotating shaft to form a three-dimensional five-axis, the spherical workpiece is placed on the B-axis rotating disc during cutting, the left-and-right running X-axis, the A-axis angle rotating shaft and the positioner are automatically operated, and the front-and-back running Y-axis and the up-and-down double-Z-axis are automatically matched, so that the whole spherical workpiece can be three-dimensionally cut at various angles, the laser cutting gun head does not cause cutting error due to too far distance between the top of the spherical workpiece and the bottom of the spherical workpiece during the whole cutting process, the distance between the laser cutting gun head and the front-and-back running Y-axis remains unchanged, the phenomenon of excessive suspension of the laser cutting gun head during the cutting process is avoided, cutting error is avoided, and the cutting precision is higher compared with the traditional laser cutting machine. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a perspective view of the utility model;

[0014] Fig. 2 It is a perspective view of the up-and-down double-Z-axis in the utility model;

[0015] Fig. 3 It is the exploded view of upper and lower double Z-axes in the utility model;

[0016] In the figure, 10-frame, 20-X-axis sliding table, 21-X-axis gear transmission servo motor, 22-X-axis transmission guide rail, 23-X-axis transmission rack, 30-double Z-axis sliding module, 31-Z-axis sliding table, 32-up and down transmission Z-axis motor, 33-Y-axis coupling plate, 34-Z-axis servo motor coupling plate, 40-Y-axis sliding module, 41-Y-axis sliding table, 42-front and back transmission Y-axis servo motor, 43-Y-axis servo motor coupling plate, 44-crossbeam coupling plate, 50-positioner, 51-B-axis rotary disc, 52-A-axis angle swing transmission servo motor, 53-A-axis angle rotary shaft, 60-double column gantry, 70-laser cutting gun head, 80-entire machine computer operating platform. DETAILED DESCRIPTION

[0017] The specific embodiments of the utility model will be further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation of the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0018] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model.

[0019] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0020] As Figs. 1-3As shown, the double-column gantry up-down sliding table three-dimensional five-axis laser cutting machine comprises a rack 10, a left-right running X shaft is arranged on the rack 10, a positioner 50 is arranged on the left-right running X shaft, a B shaft rotating disc 51 and an A shaft angle rotating shaft 53 are arranged on the positioner 50, an up-down double Z shaft is arranged on the rack 10, a front-rear running Y shaft is installed on the up-down double Z shaft, a laser cutting gun head 70 is installed on the front-rear running Y shaft, and an up-down transmission Z shaft motor 32 and a front-rear transmission Y shaft servo motor 42 are respectively arranged on the up-down double Z shaft and the front-rear running Y shaft. It can be understood that the up-down transmission Z shaft motor 32 and the front-rear transmission Y shaft servo motor 42 can be general servo motors, etc., and the positioner 50 can be a general positioner, etc.; the left-right running X shaft is used to drive the positioner 50 to move along the X shaft direction, the up-down double Z shaft is used to drive the front-rear running Y shaft to move up and down along the Z shaft direction, and the front-rear running Y shaft is used to drive the laser cutting gun head 70 to move along the Y shaft direction.

[0021] Specifically, the rack 10 is provided with a double-column gantry 60, and an upper and lower double-Z shaft is mounted on the double-column gantry 60, which comprises a double-Z shaft sliding module 30, a Z-axis sliding table 31, a Y-axis connecting plate 33 and a Z-axis servo motor connecting plate 34. The Z-axis sliding table 31 is slidingly arranged on the double-Z shaft sliding module 30, and an up-and-down transmission Z-axis motor 32 is mounted at the bottom of the double-Z shaft sliding module 30 through the Z-axis servo motor connecting plate 34. The Z-axis sliding table 31 is connected with the front-and-back running Y-axis through the Y-axis connecting plate 33. The front-and-back running Y-axis comprises a Y-axis sliding module 40, a Y-axis sliding table 41, a Y-axis servo motor connecting plate 43 and a cross beam connecting plate 44. The cross beam connecting plate 44 is connected with the Y-axis connecting plate 33 and the Y-axis sliding module 40 respectively. The Y-axis sliding table 41 is slidingly arranged on the Y-axis sliding module 40. A front-and-back transmission Y-axis servo motor 42 is mounted on the side surface of the Y-axis sliding module 40 through the Y-axis servo motor connecting plate 43. The laser cutting gun head 70 is mounted on the Y-axis sliding table 41. The left-and-right running X-axis comprises an X-axis sliding table 20, an X-axis gear transmission servo motor 21, an X-axis transmission guide rail 22 and an X-axis transmission rack 23. The X-axis transmission guide rail 22 and the X-axis transmission rack 23 are both mounted on the rack 10. The X-axis sliding table 20 is slidingly mounted on the X-axis transmission guide rail 22. The X-axis gear transmission servo motor 21 is mounted on the X-axis sliding table 20 and is in transmission connection with the X-axis transmission rack 23. It can be understood that the side surface of the A-axis angle rotating shaft 53 is provided with an A-axis angle swing transmission servo motor 52, and the side surface of the rack 10 is provided with a whole machine computer control console 80. Through the arrangement of the left-and-right running X-axis, the front-and-back running Y-axis, the upper and lower double-Z shaft, the B-axis rotating disc 51 and the A-axis angle rotating shaft 53, a three-dimensional five-axis is formed. For example, if a 600mm spherical workpiece needs to be cut, the spherical workpiece is placed on the B-axis rotating disc 51, and a pattern or various circular holes are cut thereon. The upper and lower double-Z shaft only needs to lift the laser cutting gun head 70 to a position higher than 600mm through the front-and-back running Y-axis to cut the top of the spherical workpiece. Through the automatic operation of the left-and-right running X-axis, the A-axis angle rotating shaft 53 and the positioner 50, and the automatic cooperation of the front-and-back running Y-axis and the upper and lower double-Z shaft, the three-dimensional cutting of the spherical workpiece at various angles can be realized. In the whole cutting process, the laser cutting gun head 70 will not cause cutting error due to too far distance between the top of the spherical workpiece and the bottom of the spherical workpiece.

[0022] It can be understood that the utility model discloses reasonable design, unique structure, through the laser cutting gun head 70 is arranged on the front-and-back running Y-axis, and the front-and-back running Y-axis is arranged on the upper and lower double-Z shaft, make the laser cutting gun head 70 with the distance of front-and-back running Y-axis remain unchanged, avoid in the cutting process laser cutting gun head 70 overhanging too much and produce the phenomenon of shaking, avoid causing cutting error, cutting precision is higher.

[0023] It can be understood that the Y-axis sliding table 41 can also be provided with a rotating shaft, and the laser cutting gun head 70 is installed on the rotating shaft, so that the laser cutting gun head 70 can realize automatic swing cutting function, thereby enabling the laser cutting gun head 70 to freely rotate at various angles to cut products.

[0024] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A double-column gantry up-and-down slide three-dimensional five-axis laser cutting machine, comprising a rack, a left-and-right running X shaft is arranged on the rack, a positioner is arranged on the left-and-right running X shaft, a B shaft rotating disc and an A shaft angle rotating shaft are arranged on the positioner, characterized in that: The upper and lower double Z-axes are provided on the frame, the front and rear running Y-axes are installed on the upper and lower double Z-axes, and the laser cutting gun head is installed on the front and rear running Y-axes. ​ 2. The dual column gantry up-and-down slide table three-dimensional five-axis laser cutting machine according to claim 1, characterized in that: The upper and lower double Z-axes are installed on the double-column gantry.

3. The dual column gantry up-and-down slide table three-dimensional five-axis laser cutting machine according to claim 1, characterized in that: The upper and lower double Z-axes include double-Z-axis sliding modules, Z-axis sliding tables, Y-axis connecting plates and Z-axis servo motor connecting plates, the Z-axis sliding tables are slidingly arranged on the double-Z-axis sliding modules, the upper and lower transmission Z-axis motors are installed at the bottom of the double-Z-axis sliding modules through the Z-axis servo motor connecting plates, and the Z-axis sliding tables are connected with the front and rear running Y-axes through the Y-axis connecting plates.

4. The dual column gantry up-and-down slide table three-dimensional five-axis laser cutting machine according to claim 3, characterized in that: The front and rear running Y-axes include Y-axis sliding modules, Y-axis sliding tables, Y-axis servo motor connecting plates and cross beam connecting plates, the cross beam connecting plates are connected with the Y-axis connecting plates and the Y-axis sliding modules, the Y-axis sliding tables are slidingly arranged on the Y-axis sliding modules, the front and rear transmission Y-axis servo motors are installed on the side surfaces of the Y-axis sliding modules through the Y-axis servo motor connecting plates, and the laser cutting gun head is installed on the Y-axis sliding table.

5. The dual column gantry up-and-down slide table three-dimensional five-axis laser cutting machine according to claim 1, characterized in that: The left and right running X-axes include X-axis sliding tables, X-axis gear transmission servo motors, X-axis transmission guide rails and X-axis transmission racks, the X-axis transmission guide rails and the X-axis transmission racks are installed on the frame, the X-axis sliding tables are slidingly installed on the X-axis transmission guide rails, and the X-axis gear transmission servo motors are installed on the X-axis sliding tables and are in transmission connection with the X-axis transmission racks.

6. The dual column gantry up-and-down slide table three-dimensional five-axis laser cutting machine according to claim 1, characterized in that: The side surface of the A-axis angle rotation shaft is provided with an A-axis angle swing transmission servo motor, and the side surface of the frame is provided with a whole machine computer control console.

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