Double-beam multi-station gantry movable numerical control machining center

Abstract

The utility model provides a double-beam multi-station gantry movable type numerical control machining center, and relates to the field of numerical control machining centers. The device comprises a base, the base is provided with a pair of longitudinal ground rails, the longitudinal ground rails extend in the length direction of the base, and a workpiece is placed between the pair of longitudinal ground rails; the bottoms of the pair of cross beams are each provided with two stand columns, the stand columns are used for supporting the cross beams and slide on the longitudinal ground rail, and the pair of cross beams are located at the two ends of the longitudinal ground rail respectively; each cross beam is provided with at least one main shaft, the main shafts can horizontally move in the length direction of the cross beams and can vertically move in the height direction of the cross beams, cutters are assembled on the main shafts, and the cutters are used for machining the workpieces. The machining device has the effect of improving the workpiece machining efficiency.

Description

Technical Field

[0001] The present application relates to the field of CNC machining centers, and in particular to a double-beam multi-station gantry movable CNC machining center. Background Art

[0002] A CNC machining center is a highly automated piece of manufacturing equipment that combines computer numerical control (CNC) technology with the capabilities of traditional metal-cutting machine tools. It can automatically perform a variety of machining tasks, including drilling, milling, and turning, significantly improving production efficiency and precision.

[0003] The CNC machining center mainly consists of a base, a crossbeam and a spindle. The workpiece is clamped on the base and the tool is installed on the spindle. The tool position can be adjusted by sliding the crossbeam on the base and the spindle on the crossbeam, thereby realizing the processing of the workpiece by the tool.

[0004] However, when processing longer strips, the crossbeam and the tool need to slide a longer distance, resulting in lower processing efficiency. Utility Model Content

[0005] In order to improve the problem of low processing efficiency of strip parts, the present application provides a double-beam multi-station gantry mobile CNC machining center.

[0006] This application provides a double-beam multi-station gantry mobile CNC machining center, which adopts the following technical solutions:

[0007] A double-beam multi-station gantry movable CNC machining center includes a base, the base is provided with a pair of longitudinal ground rails, the longitudinal ground rails extend along the length direction of the base, and the pair of longitudinal ground rails are used to place workpieces; a crossbeam, the bottom of a pair of crossbeams are each provided with two columns, the columns are used to support the crossbeams and slide on the longitudinal ground rails, and the pair of crossbeams are respectively located at both ends of the longitudinal ground rails; a spindle, each of the crossbeams is provided with at least one spindle, the spindle can move horizontally along the length direction of the crossbeam and vertically along the height direction of the crossbeam, and the spindle is equipped with a tool, which is used to process the workpiece.

[0008] By adopting this technical solution, the crossbeam slides on the longitudinal rails, while the spindle moves horizontally or vertically on the crossbeam, allowing the tool on the spindle to move in three dimensions and process the workpiece. Furthermore, since a crossbeam is located at each end of the longitudinal rails, two tools can start processing from either end of the workpiece, effectively improving processing efficiency.

[0009] Optionally, a transverse ground rail is provided on the top outer edge of the base, and a manipulator is provided on the transverse ground rail. The manipulator can slide on the transverse ground rail, and the manipulator is used to replace the tool.

[0010] By adopting the above technical solution, the manipulator slides on the transverse ground rail, so that the tool on the main shaft can be easily replaced.

[0011] Optionally, a slide rail and a screw rod are provided on the crossbeam, a slide rail is adapted to be provided on the slide rail, the main shaft is passed through the slide rod, a nut and a motor are provided on the side of the slide rod close to the crossbeam, the nut is adapted to be screwed on the screw rod, and the motor drives the nut to rotate.

[0012] By adopting the above technical solution, the screw rod remains stationary, and when the motor drives the nut to rotate, the slide can slide on the slide rail, thereby achieving reliable driving of a single slide and meeting diverse processing needs.

[0013] Optionally, a hydraulic cylinder is provided on the inner side of the slide, the cylinder body of the hydraulic cylinder is connected to the slide, the push rod of the hydraulic cylinder is connected to the upper part of the main shaft, and the hydraulic cylinder is used to drive the main shaft to slide in the slide.

[0014] By adopting the above technical solution, when the push rod of the hydraulic cylinder is extended or retracted, the relative position of the main shaft and the slide plate will change, thereby reliably adjusting the vertical position of the main shaft.

[0015] Optionally, the length of the spindle is greater than the length of the slide, one end of the spindle for mounting the tool is located below the slide, the other end of the spindle passes through the slide and extends above the slide, and the push rod of the hydraulic cylinder is connected to the other end of the spindle.

[0016] By adopting the above technical solution, the slide can form a positioning and limiting function for the main shaft, thereby ensuring that the main shaft can move reliably and has sufficient rigidity after movement to ensure the accuracy of the tool during the processing.

[0017] Optionally, a plurality of scraper plates are provided on the top of the slide, one side of the plurality of scraper plates is connected to the slide by bolts, and the other side of the scraper plates is fitted with the outer wall of the main shaft; a vertical slide groove is also provided on the inner side of the slide groove, and a lining strip is provided in the slide groove, and the lining strip is located at the bottom of the scraper plates, one side of the lining strip is in a vertical state and fits with the main shaft, the bottom of the slide groove is inclined, and the other side of the lining strip is fitted with the bottom of the slide groove.

[0018] By adopting the above technical solution, when the hydraulic cylinder drives the main shaft to displace, mutual friction will be generated between the scraper plate and the outer wall of the main shaft, thereby scraping off the debris on the surface of the main shaft, preventing the debris from being stuck between the main shaft and the slide plate, and effectively improving the smoothness of the main shaft movement process; further, since the position of the inlay in the slide groove is adjustable, and the fitting part of the inlay and the slide groove is in an inclined state, the position between the inlay and the main shaft can also be adjusted. In this way, by moving the inlay up and down, the inlay and the main shaft can be completely fitted together to avoid a gap between the two, thereby ensuring that the main shaft can slide reliably in the slide plate.

[0019] Optionally, a grille sensor is further provided on the crossbeam, wherein the grille sensor is located between the slide plate and the crossbeam, and the slide plate moves outside the grille sensor, and the grille sensor is used to detect the relative position of the slide plate and the crossbeam.

[0020] By adopting the above technical solution, the relative position between the skateboard and the grating sensor will change during the movement of the skateboard, and the grating sensor can identify such changes, thereby monitoring the real-time position of the skateboard and improving the accuracy of the skateboard displacement and the safety during the displacement process.

[0021] Optionally, when the number of slides on the crossbeam is greater than or equal to two, a limit plate is provided on the side wall of each slide, the limit plate on one slide faces the other slide, and the limit plate is used to limit the distance between two adjacent slides.

[0022] By adopting the above technical solution, when the two slides approach each other, the limit plate will play a limiting role to prevent the two slides from fitting together, thereby effectively preventing the two spindles from colliding, thereby improving the safety of the processing process.

[0023] In summary, this application has the following beneficial effects:

[0024] 1. Two crossbeams are set on the base, and the two crossbeams are set on both sides of the longitudinal rail. When the two crossbeams are close to each other, the tools on the two crossbeams can process the workpiece at the same time, thereby shortening the processing time of the workpiece and effectively improving the processing efficiency.

[0025] 2. Multiple spindles can be set on each beam, and each spindle can be driven independently. In this way, multiple workpieces can be processed simultaneously during the movement of the beam, significantly improving the processing efficiency of the workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic perspective view of the present application;

[0027] Figure 2This is a reference diagram of the assembly status of the crossbeam and the slide;

[0028] Figure 3 yes Figure 2 A magnified structural diagram at center A;

[0029] Figure 4 This is a reference diagram of the assembly status of the spindle and the slide;

[0030] Figure 5 It is a schematic three-dimensional diagram of a skateboard;

[0031] In the figure: 1. Base; 11. Longitudinal ground rail; 12. Transverse ground rail; 2. Crossbeam; 21. Column; 22. Slide rail; 23. Screw; 24. Grille sensor; 3. Spindle; 4. Manipulator; 5. Slide plate; 51. Nut; 52. Motor; 53. Hydraulic cylinder; 54. Scraper plate; 55. Limit plate; 56. Slide groove; 57. Inlay strip. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] Figure 1 is a schematic three-dimensional diagram of this application, Figure 2 This is a reference diagram of the assembly state of the crossbeam and the slide. Figure 1 and Figure 2 A dual-beam, multi-station gantry mobile CNC machining center includes a base 1, a crossbeam 2, a spindle 3, and a tool. The base 1 is provided with a pair of longitudinal rails 11 and a pair of transverse rails 12. The pair of transverse rails 12 and the pair of longitudinal rails 11 are arranged in a rectangular shape. Two crossbeams 2 are provided above the base 1, one located at the front end of the longitudinal rails 11 and the other located at the rear end of the longitudinal rails 11. The longitudinal rails 11 extend along the length of the base 1. A workpiece is placed between the pair of longitudinal rails 11. The workpiece is in the form of an elongated strip and also extends along the length of the base 1. Two columns 21 are provided at the bottom of each beam 2. One column 21 is connected to one end of the beam 2 and is adaptively arranged on a longitudinal ground rail 11. The other column 21 is connected to the other end of the beam 2 and is adaptively arranged on another longitudinal ground rail 11. In this way, one beam 2 and two columns 21 are arranged in a U shape, and the two beams 2 can slide along the length direction of the base 1 under the support of the columns 21, that is, the two beams 2 can approach or move away from each other.

[0034] Figure 3 yes Figure 2 The enlarged structure diagram at A in the middle, Figure 4 This is a reference diagram of the assembly status of the spindle and the slide. Figure 3 and Figure 4 Combined with Figure 2 Each crossbeam 2 is provided with at least one spindle 3, which is connected to the crossbeam 2 via a slide 5. The length of the spindle 3 is greater than that of the slide 5. Specifically, a slide rail 22 is provided on the crossbeam 2, and the slide 5 is appropriately hung on the slide rail 22, while the spindle 3 is inserted through the slide 5. One end of the spindle 3 is located below the slide 5 and is mounted with a tool. The other end of the spindle 3 passes through the slide 5 and extends above the slide 5. A hydraulic cylinder 53 is provided on the inside of the slide 5. The cylinder body of the hydraulic cylinder 53 is connected to the slide 5, and the push rod of the hydraulic cylinder 53 is connected to the end of the spindle 3 located above the slide 5. In this way, driven by the hydraulic cylinder 53, the spindle 3 can reciprocate along the height direction of the crossbeam 2. A screw rod 23 is also provided on the crossbeam 2, parallel to the slide rail 22. A motor 52 and a nut 51 are provided on the side of the slide 5 facing the crossbeam 2. The nut 51 is adapted to be screwed onto the screw rod 23, i.e., the nut 51 and the screw rod 23 are threadedly connected, and the motor 52 is used to drive the nut 51 to rotate. Thus, while the screw rod 23 remains stationary, the motor 52 drives the nut 51 to cause the slide 5 to slide on the slide rail 22, thereby achieving reciprocating movement of the spindle 3 along the length of the crossbeam 2. The sliding of the crossbeam 2 on the longitudinal ground rail 11, the sliding of the slide 5 on the crossbeam 2, and the sliding of the spindle 3 within the slide 5 enable the position of the tool to be changed, thereby enabling reliable processing of the workpiece. Furthermore, since a crossbeam 2 is provided on both sides of the longitudinal ground rail 11, when the two crossbeams 2 approach each other, the spindles 3 on both crossbeams 2 can process the workpiece simultaneously, thereby effectively improving the processing efficiency of the workpiece. Furthermore, a plurality of matching slides 5 and spindles 3 can be set on each crossbeam 2. Since each slide 5 is driven by a corresponding motor 52 and a nut 51, the plurality of slides 5 on the crossbeam 2 can be driven independently. In this way, a plurality of workpieces can be set in parallel between a pair of longitudinal slide rails 22. By moving the two crossbeams 2 at one time, a plurality of workpieces can be processed simultaneously, thereby maximizing the processing efficiency.

[0035] Figure 5 is a schematic three-dimensional diagram of a skateboard. Figure 5 Combined with Figure 1 and Figure 4A manipulator 4 is provided on the transverse rail 12, and a tool magazine can be placed on the outside of the base 1. In this way, the tool in the tool magazine can be quickly replaced with the tool on the spindle 3 by sliding the manipulator 4 on the transverse rail 12, thereby improving the efficiency of tool change and thus improving the efficiency of workpiece processing. A plurality of scraper plates 54 are provided on the top of the slide 5. One side of the plurality of scraper plates 54 is connected to the slide 5 by bolts, and the other side of the scraper plates 54 is in contact with the outer wall of the spindle 3. In this way, when the spindle 3 moves up and down in the slide 5, friction will be generated between the scraper plates 54 and the spindle 3, thereby reliably scraping off the debris adhering to the outer wall of the spindle 3, preventing the debris from getting stuck between the slide 5 and the spindle 3, and ensuring that the spindle 3 can slide smoothly on the slide 5. Furthermore, the inner side of the slide plate 5 is provided with a vertically extending chute 56, and a slat 57 is provided within the chute 56. The slat 57 can slide within the chute 56 and is located at the bottom of the scraper plate 54. In this way, the slat 57 can be fixed by the scraper plate 54 or other fasteners. One side of the slat 57 is vertical and fits with the main shaft 3. The bottom of the chute 56 is inclined, and the other side of the slat 57 fits with the bottom of the chute 56. Specifically, the bottom of the chute 56 has an inclination, and the other side of the slat 57 also has an inclination, and the inclinations of both are 1:100. In this way, when the slat 57 moves up and down in the vertical direction, the horizontal distance between the slat 57 and the main shaft 3 will change. By adjusting the position of the slat 57, it can be ensured that there is no gap between the slat 57 and the main shaft 3, and the two can fit completely, thereby ensuring that the main shaft 3 can slide reliably within the slide plate 5.

[0036] See also Figure 2 and Figure 3 A grid sensor 24 is also provided on the crossbeam 2, located between the slide 5 and the crossbeam 2. The slide 5 moves outside the grid sensor 24. Furthermore, a limit plate 55 is provided on the sidewall of the slide 5. This allows the grid sensor 24 to sense the relative position of the slides 5 and the crossbeam 2 in real time when there are two or more slides 5 on the crossbeam 2, thereby reliably controlling the distance between two adjacent slides 5. Furthermore, if the grid sensor 24 malfunctions or is damaged, the limit plate 55 limits the distance between the two slides 5, preventing collisions between the two adjacent slides 5 and, in turn, preventing collisions between the tools beneath the slides 5, thereby improving safety during machining.

[0037] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A double-beam multi-station gantry movable CNC machining center, characterized in that: The invention comprises a base (1), wherein a pair of longitudinal rails (11) are provided on the base (1), the longitudinal rails (11) extend along the length direction of the base (1), and a workpiece is placed between the pair of longitudinal rails (11); A crossbeam (2), wherein two columns (21) are provided at the bottom of each pair of crossbeams (2), and the columns (21) are used to support the crossbeam (2) and slide on the longitudinal ground rail (11), and the pair of crossbeams (2) are respectively located at two ends of the longitudinal ground rail (11); A spindle (3), each of the crossbeams (2) is provided with at least one spindle (3), the spindle (3) being movable horizontally along the length direction of the crossbeam (2) and movable vertically along the height direction of the crossbeam (2), and a tool being mounted on the spindle (3), the tool being used for machining the workpiece.

2. A double-beam multi-station gantry movable CNC machining center according to claim 1, characterized in that: A transverse ground rail (12) is provided on the top outer edge of the base (1), and a manipulator (4) is provided on the transverse ground rail (12). The manipulator (4) can slide on the transverse ground rail (12), and the manipulator (4) is used to replace the tool.

3. The double-beam multi-station gantry movable CNC machining center according to claim 1, characterized in that: The crossbeam (2) is provided with a slide rail (22) and a screw rod (23); the slide rail (22) is adapted to be provided with a slide plate (5); the main shaft (3) is passed through the slide plate (5); a nut (51) and a motor (52) are provided on a side of the slide plate (5) close to the crossbeam (2); the nut (51) is adapted to be screwed on the screw rod (23); and the motor (52) drives the nut (51) to rotate.

4. A double-beam multi-station gantry movable CNC machining center according to claim 3, characterized in that: A hydraulic cylinder (53) is provided on the inner side of the slide (5), the cylinder body of the hydraulic cylinder (53) is connected to the slide (5), the push rod of the hydraulic cylinder (53) is connected to the upper part of the main shaft (3), and the hydraulic cylinder (53) is used to drive the main shaft (3) to slide in the slide (5).

5. The double-beam multi-station gantry movable CNC machining center according to claim 4, characterized in that: The length of the main shaft (3) is greater than the length of the slide (5); one end of the main shaft (3) for mounting a tool is located below the slide (5); the other end of the main shaft (3) passes through the slide (5) and extends to the top of the slide (5); and the push rod of the hydraulic cylinder (53) is connected to the other end of the main shaft (3).

6. The double-beam multi-station gantry movable CNC machining center according to claim 5, characterized in that: A plurality of scraper plates (54) are provided on the top of the slide plate (5), one side of the plurality of scraper plates (54) is connected to the slide plate (5) by bolts, and the other side of the scraper plates (54) is in contact with the outer wall of the main shaft (3); A vertical chute (56) is further provided on the inner side of the slide plate (5), and a lining strip (57) is provided in the chute (56). The lining strip (57) is located at the bottom of the scraper plate (54), and one side of the lining strip (57) is in a vertical state and fits with the main shaft (3). The bottom of the chute (56) is inclined, and the other side of the lining strip (57) fits with the bottom of the chute (56).

7. The double-beam multi-station gantry movable CNC machining center according to claim 5, characterized in that: A grille sensor (24) is also provided on the crossbeam (2). The grille sensor (24) is located between the slide plate (5) and the crossbeam (2). The slide plate (5) moves outside the grille sensor (24). The grille sensor (24) is used to detect the relative position of the slide plate (5) and the crossbeam (2).

8. The double-beam multi-station gantry movable CNC machining center according to claim 7, characterized in that: When the number of slides (5) on the crossbeam (2) is greater than or equal to two, a limiting plate (55) is provided on the side wall of each slide (5), the limiting plate (55) on one slide (5) faces the other slide (5), and the limiting plate (55) is used to limit the distance between two adjacent slides (5).

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