Cross beam structure of gantry machine tool

Abstract

The utility model discloses a gantry machine tool crossbeam structure, which comprises an end plate, the end plate is fixedly connected with a sixth-type lightening hole, a seventh-type lightening hole and an eighth-type lightening hole, the sixth-type lightening hole is fixed at the upper end of the end plate, the seventh-type lightening hole is fixedly connected below the sixth-type lightening hole, and the eighth-type lightening hole is fixedly connected below the seventh-type lightening hole. The lower portion of the seventh type lightening hole is fixedly connected with an eighth type lightening hole, and the upper portion of the end plate is fixedly connected with a transmission shaft. The structure has the advantages that the cross beam is made of high-strength steel, the strength and rigidity of the cross beam are improved, the cross beam can bear large loads and vibration generated in the high-speed machining process of a large gantry machine tool, meanwhile, a large number of lightening holes of different specifications are used in the frame design of the structure, and the machining efficiency is improved. Therefore, the overall weight of the cross beam is reduced, the load of a motor for controlling the cross beam during operation of the cross beam is reduced, and the possibility of deformation of the cross beam in the using process is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry machine tools, in particular to a crossbeam structure of a gantry machine tool. Background Art

[0002] Gantry machine tools are large, heavy-duty CNC machine tools that are widely used in the processing of large parts in the fields of aviation, aerospace, shipbuilding, energy, etc. As the requirements for processing accuracy and efficiency in modern manufacturing continue to increase, the structural design and manufacturing process of gantry machine tools are also constantly developing. As a key component of gantry machine tools, the strength and rigidity of the structure of the crossbeam directly affect the overall performance and processing accuracy of the machine tool.

[0003] When applying for the present invention, the applicant found through search that a Chinese patent disclosed a "bridge gantry beam structure for CNC machine tools", and its application number is "CN202320106273.9". This patent mainly optimizes and upgrades the beam structure. Under the premise of meeting the performance requirements, it can effectively reduce the weight of the machine tool, thereby reducing the machine tool drive motor, increasing the speed of moving parts, reducing costs, and improving machine tool efficiency.

[0004] However, as gantry machine tools develop towards larger, faster, and more precise features, traditional beam structures can no longer meet the needs of modern manufacturing. First, the strength and rigidity of traditional beam structures are relatively low, and the overall deadweight of the beam is high, making it difficult to withstand the large loads and vibrations generated by large gantry machine tools during high-speed machining. Utility Model Content

[0005] To achieve the above-mentioned purpose, a crossbeam structure of a gantry machine tool is provided, which includes an end plate, the end plate is fixedly connected to the sixth type of weight reduction hole, the seventh type of weight reduction hole and the eighth type of weight reduction hole, the sixth type of weight reduction hole is fixed to the upper end of the end plate, the seventh type of weight reduction hole is fixedly connected to the bottom of the sixth type of weight reduction hole, the bottom of the seventh type of weight reduction hole is fixedly connected to the eighth type of weight reduction hole, the top of the end plate is fixedly connected to a transmission shaft, both ends of the transmission shaft are connected to fixing nuts by threads, the center of the transmission shaft is connected to an accessory fixer, the accessory fixers are connected by accessory fixing teeth, and both ends of the accessory fixing teeth are fixedly connected to the accessory fixer.

[0006] According to the crossbeam structure of a gantry machine tool, a second end plate is connected to the lower right corner of the end plate, a screw pad is connected to the outer surface of the second end plate, a screw pad is connected to the outer surface of the screw pad, the screw connects the end plate and the second end plate together through a threaded connection, the second end plate is fixedly connected to the base, a mounting groove is fixedly connected to the base, a mounting hole is fixedly connected to the inside of the mounting groove, and an accessory inlay is provided below the mounting hole.

[0007] According to the crossbeam structure of a gantry machine tool, the end plate is fixedly connected to the oblique side plate of the crossbeam, the oblique side plate of the crossbeam is fixedly connected with five first-type weight-reducing holes, a short side plate of the crossbeam is arranged below the first-type weight-reducing holes, the oblique side plate of the crossbeam is fixedly connected to the short side plate of the crossbeam, the interior of the short side plate of the crossbeam is fixedly connected with second-type weight-reducing holes, five second-type weight-reducing holes are evenly distributed on the short side plate of the crossbeam, and the outer surface of the short side plate of the crossbeam is fixedly connected with a second guide rail.

[0008] According to the beam structure of a gantry machine tool, the lower end of the short side plate of the beam is fixedly connected to the bottom plate of the beam, and the bottom plate of the beam is fixedly connected with the fifth type of weight reduction holes. The fifth type of weight reduction holes are linearly distributed in pairs on the bottom plate of the beam, and there are a total of eight fifth type of weight reduction holes distributed on the bottom plate of the beam. The bottom plate of the beam is fixedly connected to the side plate of the beam, and the fourth type of weight reduction holes are distributed on the side plate of the beam. The fourth type of weight reduction holes are linearly symmetrically distributed on the side plate of the beam, and there are a total of forty-two fourth type of weight reduction holes distributed on the side plate of the beam. However, due to the limitation of the side plate of the beam, only a part of four fourth type of weight reduction holes are displayed.

[0009] According to the beam structure of a gantry machine tool, a beam top plate is fixedly connected above the beam side plate, and a third type of weight reduction holes is fixedly connected to the beam top plate. The third type of weight reduction holes are linearly distributed on the beam top plate, and there are nineteen third type of weight reduction holes distributed on the beam top plate.

[0010] According to the crossbeam structure of a gantry machine tool, the upper surface of the crossbeam top plate is fixedly connected with a first guide rail.

[0011] According to the crossbeam structure of the gantry machine tool, reinforcing ribs are arranged inside the crossbeam, and the reinforcing ribs are fixed to the inner wall of the crossbeam.

[0012] The beneficial effects of the utility model are as follows: the structure adopts high-strength steel as the material of the crossbeam, which improves the strength and rigidity of the crossbeam, so that it can withstand the large loads and vibrations generated by large gantry machine tools during high-speed processing. At the same time, the structure uses a large number of weight-reducing holes of different specifications in the frame design, which not only reduces the overall weight of the crossbeam, but also reduces the load on the motor that controls the crossbeam during operation, which greatly reduces the possibility of deformation of the crossbeam during use.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a three-dimensional stereogram of a beam structure of a gantry machine tool of the utility model;

[0016] Figure 2 It is a top view of a beam structure of a gantry machine tool of the utility model;

[0017] Figure 3 It is a rear view of a crossbeam structure of a gantry machine tool of the utility model;

[0018] Figure 4 This is a bottom view of a beam structure of a gantry machine tool according to the utility model;

[0019] Figure 5 It is a side view of a crossbeam structure of a gantry machine tool of the utility model;

[0020] Figure 6 The utility model is a cross-sectional view of a beam structure of a gantry machine tool.

[0021] Legend:

[0022] 1. Oblique side plate of beam; 2. End plate; 3. Fixing nut; 4. Transmission shaft; 5. Accessory holder; 6. Accessory fixing tooth; 7. First type lightening hole; 8. Short side plate of beam; 9. Second type lightening hole; 10. Base; 11. Second end plate; 12. Screw pad; 13. Screw; 14. Mounting groove; 15. Mounting hole; 16. Accessory inlay; 17. Third type lightening hole; 18. Top plate of beam; 19. Fourth type lightening hole; 20. Side plate of beam; 21. Fifth type lightening hole; 22. Bottom plate of beam; 23. Sixth type lightening hole; 24. Seventh type lightening hole; 25. Eighth type lightening hole; 26. Reinforcement rib; 27. First guide rail; 28. Second guide rail. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figures 1 to 6The utility model embodiment of a crossbeam structure of a gantry machine tool includes an end plate 2, the end plate 2 is fixedly connected to the sixth type of weight reduction hole 23, the seventh type of weight reduction hole 24 and the eighth type of weight reduction hole 25, the sixth type of weight reduction hole 23 is fixed to the upper end of the end plate 2, the seventh type of weight reduction hole 24 is fixedly connected to the lower part of the sixth type of weight reduction hole 23, the lower part of the seventh type of weight reduction hole 24 is fixedly connected to the eighth type of weight reduction hole 25, the upper part of the end plate 2 is fixedly connected to the transmission shaft 4, both ends of the transmission shaft 4 are connected to the fixing nut 3 by threading, the center part of the transmission shaft 4 is connected to the accessory fixer 5, the accessory fixers 5 are connected by the accessory fixing teeth 6, both ends of the accessory fixing teeth 6 are fixedly connected to the accessory fixer 5, and the transmission shaft 4 needs to be used in combination with the first guide rail 27 and the second guide rail 28 when in use.

[0025] A second end plate 11 is connected to the lower right corner of the end plate 2, a screw pad 12 is connected to the outer surface of the second end plate (11), a screw 13 is connected to the outer surface of the screw pad 12, and the screw 13 connects the end plate 2 and the second end plate 11 together through a threaded connection. The second end plate 11 is fixedly connected to the base 10, and a mounting groove 14 is fixedly connected to the base 10. A mounting hole 15 is fixedly connected inside the mounting groove 14, and an accessory inlay 16 is provided below the mounting hole 15. The end plate 2 and the second end plate 11 and the screw pads 12 and screws 13 connected to the second end plate 11 are symmetrically distributed and distributed at both ends of the beam.

[0026] The end plate 2 is fixedly connected to the oblique side plate 1 of the beam, and the oblique side plate 1 of the beam is fixedly connected with five first-type weight-reducing holes 7. A short side plate 8 of the beam is arranged below the first-type weight-reducing holes 7. The oblique side plate 1 of the beam is fixedly connected to the short side plate 8 of the beam, and the interior of the short side plate 8 of the beam is fixedly connected with second-type weight-reducing holes 9. There are five second-type weight-reducing holes 9 evenly distributed on the short side plate 8 of the beam, and the outer surface of the short side plate 8 of the beam is fixedly connected with a second guide rail 28. Both ends of the oblique side plate 1 of the beam and the short side plate 8 of the beam are fixed on the end plate 2.

[0027] The lower end of the short side plate 8 of the beam is fixedly connected to the bottom plate 22 of the beam, and the bottom plate 22 of the beam is fixedly connected to the fifth type of weight reduction holes 21. The fifth type of weight reduction holes 21 are linearly distributed in pairs on the bottom plate 22 of the beam, and there are a total of eight fifth type of weight reduction holes 21 distributed on the bottom plate 22 of the beam. The bottom plate 22 of the beam is fixedly connected to the side plate 20 of the beam, and the fourth type of weight reduction holes 19 are distributed on the side plate 20 of the beam. The fourth type of weight reduction holes 19 are linearly symmetrically distributed on the side plate 20 of the beam, and there are a total of forty-two fourth type of weight reduction holes 19 distributed on the side plate 20 of the beam. However, due to the limitation of the side plate 20 of the beam, only a part of the four fourth type of weight reduction holes 19 are shown, and the various weight reduction holes used are all fixedly connected on each plate, and the plates are sheared.

[0028] A beam top plate 18 is fixedly connected to the top of the beam side plate 20, and a third type of weight reduction holes 17 are fixedly connected to the beam top plate 18. The third type of weight reduction holes 17 are linearly distributed on the beam top plate 18. There are nineteen third type of weight reduction holes 17 distributed on the beam top plate 18. Both ends of the beam top plate 18 are fixedly connected to the end plate 2, and a first guide rail 27 is fixedly connected to the upper surface of the beam top plate 18.

[0029] A reinforcing rib 26 is provided inside the cross beam, and the reinforcing rib 26 is fixed to the inner wall of the cross beam, and both ends of the reinforcing rib 26 are fixedly connected to the end plate 2 .

[0030] Working principle: Before the gantry machine tool is operated, the device is fixed on the gantry beam support column through the concealed groove and the mounting hole, and the accessories required for machine tool processing are fixed on the beam through the first guide rail and the second guide rail and the accessory fixing teeth and accessory fixer on the shaft. Then the beam is connected to the motor. At this time, the beam can operate. When the beam is running, the accessory fixer and accessory fixing teeth on the shaft will move with the movement of the accessories. The frame of the device can greatly reduce the load on the motor and the beam support column during operation, thereby reducing the occurrence of beam deformation. The reinforcement ribs set inside the beam play a key role in the beam.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A beam structure of a gantry machine tool, characterized in that: The invention comprises an end plate (2), wherein the end plate (2) is fixedly connected to a sixth type of weight-reducing hole (23), a seventh type of weight-reducing hole (24) and an eighth type of weight-reducing hole (25), wherein the sixth type of weight-reducing hole (23) is fixedly connected to the upper end of the end plate (2), the seventh type of weight-reducing hole (24) is fixedly connected to the lower part of the sixth type of weight-reducing hole (23), the lower part of the seventh type of weight-reducing hole (24) is fixedly connected to the eighth type of weight-reducing hole (25), the upper part of the end plate (2) is fixedly connected to a transmission shaft (4), both ends of the transmission shaft (4) are threadedly connected to a fixing nut (3), the central part of the transmission shaft (4) is connected to an accessory holder (5), the accessory holders (5) are connected to each other by accessory fixing teeth (6), and both ends of the accessory fixing teeth (6) are fixedly connected to the accessory holder (5).

2. The crossbeam structure of a gantry machine tool according to claim 1, characterized in that: The lower right corner of the end plate (2) is connected to a second end plate (11), the outer surface of the second end plate (11) is connected to a screw pad (12), the outer surface of the screw pad (12) is connected to a screw (13), the screw (13) connects the end plate (2) and the second end plate (11) together through a threaded connection, the second end plate (11) is fixedly connected to a base (10), the base (10) is fixedly connected to a mounting groove (14), the interior of the mounting groove (14) is fixedly connected to a mounting hole (15), and an accessory inlay (16) is provided below the mounting hole (15).

3. The crossbeam structure of a gantry machine tool according to claim 2, characterized in that: The end plate (2) is fixedly connected to the inclined side plate (1) of the cross beam, and the inclined side plate (1) of the cross beam is fixedly connected with five first-type weight-reducing holes (7), and a short side plate (8) of the cross beam is arranged below the first-type weight-reducing holes (7). The inclined side plate (1) of the cross beam is fixedly connected to the short side plate (8), and the interior of the short side plate (8) of the cross beam is fixedly connected with a second-type weight-reducing hole (9), and five second-type weight-reducing holes (9) are evenly distributed on the short side plate (8), and the outer surface of the short side plate (8) of the cross beam is fixedly connected with a second guide rail (28).

4. The crossbeam structure of a gantry machine tool according to claim 3, characterized in that: The lower end of the short side plate (8) of the cross beam is fixedly connected to the cross beam bottom plate (22), and the cross beam bottom plate (22) is fixedly connected to the fifth type of weight reduction holes (21), and the fifth type of weight reduction holes (21) are linearly distributed on the cross beam bottom plate (22) in pairs, and there are a total of eight fifth type of weight reduction holes (21) distributed on the cross beam bottom plate (22). The cross beam bottom plate (22) is fixedly connected to the cross beam side plate (20), and the cross beam side plate (20) is distributed with fourth type of weight reduction holes (19), and the fourth type of weight reduction holes (19) are linearly symmetrically distributed on the cross beam side plate (20), and there are a total of forty-two fourth type of weight reduction holes (19) distributed on the cross beam side plate (20), but due to the limitation of the cross beam side plate (20), four fourth type of weight reduction holes (19) are only partially displayed.

5. The crossbeam structure of a gantry machine tool according to claim 4, characterized in that: A crossbeam top plate (18) is fixedly connected above the crossbeam side plate (20), and a third type of weight reduction hole (17) is fixedly connected to the crossbeam top plate (18). The third type of weight reduction hole (17) is linearly distributed on the crossbeam top plate (18), and there are nineteen third type of weight reduction holes (17) distributed on the crossbeam top plate (18).

6. The crossbeam structure of a gantry machine tool according to claim 5, characterized in that: The upper surface of the crossbeam top plate (18) is fixedly connected to a first guide rail (27).

7. The crossbeam structure of a gantry machine tool according to claim 6, characterized in that: A reinforcing rib (26) is arranged inside the crossbeam, and the reinforcing rib (26) is fixed to the inner wall of the crossbeam.

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